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vendor/tecnickcom/tc-lib-pdf-parser/.editorconfig
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# Ref: https://EditorConfig.org
# top-most EditorConfig file
root = true
# Unix-style end of lines and a blank line at the end of the file
[*]
indent_style = tab
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true
[*.php]
indent_style = space
indent_size = 4
[*.{js,json,scss,css,yml,vue}]
indent_style = space
indent_size = 2
vendor/tecnickcom/tc-lib-pdf-parser/.gitattributes
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# Normalize text sources to LF in the repository and on checkout everywhere.
# Critical for a byte-level library: keeps source and fixtures byte-identical
# across Windows/macOS/Linux checkouts regardless of core.autocrlf.
*.php text eol=lf
*.md text eol=lf
*.xml text eol=lf
*.xml.dist text eol=lf
*.json text eol=lf
*.toml text eol=lf
*.yml text eol=lf
*.yaml text eol=lf
*.txt text eol=lf
Makefile text eol=lf
# Byte-exact fixtures must never be transformed (CRLF/auto-detection off).
test/**/*.bin -text
*.png binary
*.jpg binary
*.gif binary
*.pdf binary
*.ttf binary
*.otf binary
vendor/tecnickcom/tc-lib-pdf-parser/.github/ISSUE_TEMPLATE/bug_report.md
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---
name: Bug report
about: Create a report to help us improve
title: ''
labels: ''
assignees: ''
---
**Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. ...
**Expected behavior**
A clear and concise description of what you expected to happen.
**Logs**
If applicable, copy the relevant logs to help explain your problem.
**Environment:**
- OS:
- PHP version:
- Version:
**Additional context**
Add any other context about the problem here.
vendor/tecnickcom/tc-lib-pdf-parser/.github/ISSUE_TEMPLATE/feature_request.md
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---
name: Feature request
about: Suggest an idea for this project
title: ''
labels: ''
assignees: ''
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.
**Additional context**
Add any other context or screenshots about the feature request here.
vendor/tecnickcom/tc-lib-pdf-parser/.github/pull_request_template.md
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# Description
Please include a summary of the change and include relevant motivation and context.
...
## Checklist:
- [ ] The `make buildall` command has been run successfully without any error or warning.
- [ ] Any new code line is covered by unit tests and the coverage has not dropped.
- [ ] Any new code follows the style guidelines of this project.
- [ ] The code changes have been self-reviewed.
- [ ] Corresponding changes to the documentation have been made.
- [ ] The version has been updated in the VERSION file.
## Type of change:
- [ ] Bug fix (non-breaking change which fixes an issue) → The patch number in the VERSION file has been increased.
- [ ] New feature (non-breaking change which adds functionality) → The minor number in the VERSION file has been increased.
- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected) → The major number in the VERSION file has been increased.
- [ ] Automation.
- [ ] Documentation.
- [ ] Example.
- [ ] Testing.
vendor/tecnickcom/tc-lib-pdf-parser/.github/workflows/check.yml
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name: check
env:
XDEBUG_MODE: coverage
permissions:
contents: read
on:
push:
branches:
- 'main'
pull_request:
types: [opened, synchronize, reopened]
branches:
- main
workflow_dispatch:
jobs:
test-php:
name: Test on php ${{ matrix.php-version }} and ${{ matrix.os }}
runs-on: ${{ matrix.os }}
continue-on-error: ${{ matrix.experimental }}
strategy:
fail-fast: false
matrix:
php-version: ["8.2", "8.3", "8.4", "8.5"]
experimental: [false]
os: [ubuntu-latest]
coverage-extension: [pcov]
steps:
- uses: actions/checkout@v7
- name: Use php ${{ matrix.php-version }}
uses: shivammathur/setup-php@v2
with:
php-version: ${{ matrix.php-version }}
coverage: ${{ matrix.coverage-extension }}
extensions: bcmath, curl, date, gd, hash, imagick, json, mbstring, openssl, pcre, zlib
ini-values: display_errors=on, error_reporting=-1, zend.assertions=1
- name: List php modules
run: php -m
- name: List php modules using "no php ini" mode
run: php -m -n
- name: Cache module
uses: actions/cache@v6
with:
path: ~/.composer/cache/
key: composer-cache
- name: Install dependencies
env:
GH_TOKEN: ${{ github.token }}
run: make deps
- name: Run all tests
run: make qa
- name: Send coverage
uses: codecov/codecov-action@v7
with:
flags: php-${{ matrix.php-version }}-${{ matrix.os }}
name: php-${{ matrix.php-version }}-${{ matrix.os }}
vendor/tecnickcom/tc-lib-pdf-parser/.gitignore
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.phpdoc
.phpunit.cache
.phpunit.result.cache
**/._*
**/.#*
**/.DS_Store
**/.idea
**/.vagrant
**/*.bak
**/*.tmp
**/auth.json
**/nbproject
**/temp.php
**/test.php
composer.lock
ecs.php
phpunit.xml
PLAN_*
rector.php
target
vendor
vendor/tecnickcom/tc-lib-pdf-parser/CODEOWNERS
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* @nicolaasuni
vendor/tecnickcom/tc-lib-pdf-parser/CODE_OF_CONDUCT.md
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# Contributor Covenant Code of Conduct
## Our Pledge
We as members, contributors, and leaders pledge to make participation in our
community a harassment-free experience for everyone, regardless of age, body
size, visible or invisible disability, ethnicity, sex characteristics, gender
identity and expression, level of experience, education, socio-economic status,
nationality, personal appearance, race, religion, or sexual identity
and orientation.
We pledge to act and interact in ways that contribute to an open, welcoming,
diverse, inclusive, and healthy community.
## Our Standards
Examples of behavior that contributes to a positive environment for our
community include:
* Demonstrating empathy and kindness toward other people
* Being respectful of differing opinions, viewpoints, and experiences
* Giving and gracefully accepting constructive feedback
* Accepting responsibility and apologizing to those affected by our mistakes,
and learning from the experience
* Focusing on what is best not just for us as individuals, but for the
overall community
Examples of unacceptable behavior include:
* The use of sexualized language or imagery, and sexual attention or
advances of any kind
* Trolling, insulting or derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or email
address, without their explicit permission
* Other conduct which could reasonably be considered inappropriate in a
professional setting
## Enforcement Responsibilities
Community leaders are responsible for clarifying and enforcing our standards of
acceptable behavior and will take appropriate and fair corrective action in
response to any behavior that they deem inappropriate, threatening, offensive,
or harmful.
Community leaders have the right and responsibility to remove, edit, or reject
comments, commits, code, wiki edits, issues, and other contributions that are
not aligned to this Code of Conduct, and will communicate reasons for moderation
decisions when appropriate.
## Scope
This Code of Conduct applies within all community spaces, and also applies when
an individual is officially representing the community in public spaces.
Examples of representing our community include using an official e-mail address,
posting via an official social media account, or acting as an appointed
representative at an online or offline event.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be
reported to the community leaders responsible for enforcement at
.
All complaints will be reviewed and investigated promptly and fairly.
All community leaders are obligated to respect the privacy and security of the
reporter of any incident.
## Enforcement Guidelines
Community leaders will follow these Community Impact Guidelines in determining
the consequences for any action they deem in violation of this Code of Conduct:
### 1. Correction
**Community Impact**: Use of inappropriate language or other behavior deemed
unprofessional or unwelcome in the community.
**Consequence**: A private, written warning from community leaders, providing
clarity around the nature of the violation and an explanation of why the
behavior was inappropriate. A public apology may be requested.
### 2. Warning
**Community Impact**: A violation through a single incident or series
of actions.
**Consequence**: A warning with consequences for continued behavior. No
interaction with the people involved, including unsolicited interaction with
those enforcing the Code of Conduct, for a specified period of time. This
includes avoiding interactions in community spaces as well as external channels
like social media. Violating these terms may lead to a temporary or
permanent ban.
### 3. Temporary Ban
**Community Impact**: A serious violation of community standards, including
sustained inappropriate behavior.
**Consequence**: A temporary ban from any sort of interaction or public
communication with the community for a specified period of time. No public or
private interaction with the people involved, including unsolicited interaction
with those enforcing the Code of Conduct, is allowed during this period.
Violating these terms may lead to a permanent ban.
### 4. Permanent Ban
**Community Impact**: Demonstrating a pattern of violation of community
standards, including sustained inappropriate behavior, harassment of an
individual, or aggression toward or disparagement of classes of individuals.
**Consequence**: A permanent ban from any sort of public interaction within
the community.
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage],
version 2.0, available at
https://www.contributor-covenant.org/version/2/0/code_of_conduct.html.
Community Impact Guidelines were inspired by [Mozilla's code of conduct
enforcement ladder](https://github.com/mozilla/diversity).
[homepage]: https://www.contributor-covenant.org
For answers to common questions about this code of conduct, see the FAQ at
https://www.contributor-covenant.org/faq. Translations are available at
https://www.contributor-covenant.org/translations.
vendor/tecnickcom/tc-lib-pdf-parser/CONTRIBUTING.md
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# Contributing to tc-lib-pdf-parser
Thank you for your interest in contributing to **tc-lib-pdf-parser**.
Contributions of all kinds are welcome: bug reports, bug fixes, documentation improvements, new features, and refactors.
Please take a moment to read this guide before opening an issue or pull request.
---
## Table of Contents
- [Code of Conduct](#code-of-conduct)
- [Security Vulnerabilities](#security-vulnerabilities)
- [Getting Started](#getting-started)
- [Reporting a Bug](#reporting-a-bug)
- [Submitting a Bug Fix](#submitting-a-bug-fix)
- [Proposing a New Feature](#proposing-a-new-feature)
- [Development Workflow](#development-workflow)
- [Coding Standards](#coding-standards)
- [Testing](#testing)
- [Pull Request Guidelines](#pull-request-guidelines)
- [Commit Message Guidelines](#commit-message-guidelines)
---
## Code of Conduct
This project follows the [Contributor Covenant Code of Conduct](CODE_OF_CONDUCT.md). By participating you agree to abide by its terms. Please report unacceptable behaviour to [info@tecnick.com](mailto:info@tecnick.com).
---
## Security Vulnerabilities
**Do not open a public GitHub issue for security vulnerabilities.**
Please follow the [Security Policy](SECURITY.md) and report them privately.
---
## Getting Started
### Requirements
- PHP **≥ 8.2**
- [Composer](https://getcomposer.org/) v2
- `make`, `git`
- Optional: `rpmbuild` (RPM packaging), `dpkg-buildpackage` (DEB packaging)
### Local setup
```bash
git clone https://github.com/tecnickcom/tc-lib-pdf-parser.git
cd tc-lib-pdf-parser
make buildall
```
To verify everything is working after a change:
```bash
make qa
```
This runs linting, static analysis, and the full unit-test suite with coverage.
---
## Reporting a Bug
Before opening an issue:
1. **Check the [Security Policy](SECURITY.md)** — if the bug is a security vulnerability, do not file a public issue.
2. **Search [existing issues](https://github.com/tecnickcom/tc-lib-pdf-parser/issues)** to avoid duplicates.
If no existing issue matches, [open a new one](https://github.com/tecnickcom/tc-lib-pdf-parser/issues/new) and include:
- A **clear title and description** of the problem.
- The **library version** (`composer show tecnickcom/tc-lib-pdf-parser`) and PHP version.
- A **minimal, self-contained reproduction** — a short PHP script or a failing PHPUnit test case is ideal.
- **Expected vs. actual behaviour** — what you expected to happen and what actually happened.
- Any relevant **stack trace or error output**.
The more precise and reproducible the report, the faster it can be triaged and fixed.
---
## Submitting a Bug Fix
1. [Fork the repository](https://github.com/tecnickcom/tc-lib-pdf-parser/fork) and create a branch from `main`:
```bash
git checkout -b fix/short-description-of-bug
```
2. Make your changes, following the [Coding Standards](#coding-standards) below.
3. Add or update unit tests to cover the changes.
4. Run the full quality-assurance suite locally and ensure it passes:
```bash
make qa
```
5. Commit your changes (see [Commit Message Guidelines](#commit-message-guidelines)).
6. Open a pull request against `main` and fill in the PR template:
- Describe the problem and your solution.
- Reference the related issue number (e.g. `Fixes #123`).
---
## Proposing a New Feature
Before writing any code:
1. **Open a Feature Request** on [GitHub Issues](https://github.com/tecnickcom/tc-lib-pdf-parser/issues/new) describing the use case and proposed API.
2. Wait for feedback from the maintainer. This avoids investing time in a direction that may not be accepted.
Once the feature is agreed upon, follow the same branch → code → test → PR workflow as for bug fixes, using a branch named `feature/short-description`.
---
## Development Workflow
The `Makefile` exposes all common development tasks:
| Command | Description |
|---------|-------------|
| `make qa` | Run linting, static analysis, tests, and reports |
| `make test` | Run PHPUnit with code coverage |
| `make lint` | Check coding standards |
| `make format` | Auto-format the code |
| `make buildall` | Install dependencies, fix style, run QA, and build packages |
| `make clean` | Remove `vendor/` and `target/` directories |
| `make server` | Start the built-in PHP development server for the examples |
Run `make help` to see the full list of available targets.
---
## Coding Standards
- The codebase follows **PSR-12** for formatting.
- Run `make format` to auto-format the code.
- Run `make lint` to catch remaining issues.
- All source files live under `src/`, all tests under `test/`.
- Use strict types and explicit visibility on all class members.
- Avoid introducing new external dependencies without prior discussion.
---
## Testing
Tests are written with [PHPUnit](https://phpunit.de/) and live in `test/`.
```bash
# Run the full test suite with coverage
make test
# Run a specific test file
XDEBUG_MODE=coverage ./vendor/bin/phpunit test/HTMLTest.php
```
Requirements for contributions:
- Every bug fix must be accompanied by a regression test that fails before the fix and passes after.
- Every new feature must be accompanied by tests that cover both the happy path and edge cases.
Coverage reports are generated in `target/coverage/`.
---
## Pull Request Guidelines
- Target the `main` branch.
- Keep PRs focused — one fix or feature per PR.
- Ensure `make qa` passes locally before opening the PR.
- Do not bump the version number in your PR; that is handled by the maintainer at release time.
- Be responsive to review feedback; stale PRs may be closed after an extended period of inactivity.
---
## Commit Message Guidelines
Use concise, imperative-mood commit messages:
```
fix: correct path traversal in font loader
feat: add support for XYZ
test: add regression test for #123
docs: update CONTRIBUTING workflow
refactor: extract text measurement into helper
```
Prefix tags: `fix`, `feat`, `test`, `docs`, `refactor`, `chore`, `ci`.
Reference issues where relevant: `fix: correct X (closes #42)`.
---
## Questions?
If you have a question that is not covered here, feel free to open a [GitHub Discussion](https://github.com/tecnickcom/tc-lib-pdf-parser/discussions) or contact the maintainer at [info@tecnick.com](mailto:info@tecnick.com).
vendor/tecnickcom/tc-lib-pdf-parser/LICENSE
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**********************************************************************
* LICENSE
*
* SOFTWARE : tc-lib-pdf-parser
* AUTHOR : Nicola Asuni <info@tecnick.com>
* COPYRIGHT : 2011-2026 Nicola Asuni - Tecnick.com LTD
**********************************************************************
This is free software: you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
**********************************************************************
**********************************************************************
GNU LESSER GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://www.fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
This version of the GNU Lesser General Public License incorporates
the terms and conditions of version 3 of the GNU General Public
License, supplemented by the additional permissions listed below.
0. Additional Definitions.
As used herein, "this License" refers to version 3 of the GNU Lesser
General Public License, and the "GNU GPL" refers to version 3 of the GNU
General Public License.
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differ in detail to address new problems or concerns.
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Library as you received it specifies that a certain numbered version
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conditions either of that published version or of any later version
published by the Free Software Foundation. If the Library as you
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General Public License ever published by the Free Software Foundation.
If the Library as you received it specifies that a proxy can decide
whether future versions of the GNU Lesser General Public License shall
apply, that proxy's public statement of acceptance of any version is
permanent authorization for you to choose that version for the
Library.
**********************************************************************
**********************************************************************
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://www.fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
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The licenses for most software and other practical works are designed
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<https://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<https://www.gnu.org/philosophy/why-not-lgpl.html>.
**********************************************************************
**********************************************************************
vendor/tecnickcom/tc-lib-pdf-parser/Makefile
Vendored
+280
View File
@@ -0,0 +1,280 @@
# makefile
#
# @since 2015-02-21
# @category Library
# @package PdfParser
# @author Nicola Asuni <info@tecnick.com>
# @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
# @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
# @link https://github.com/tecnickcom/tc-lib-pdf-parser
#
# This file is part of tc-lib-pdf-parser software library.
# ----------------------------------------------------------------------------------------------------------------------
SHELL=/bin/bash
.SHELLFLAGS=-o pipefail -c
# Project owner
OWNER=tecnickcom
# Project vendor
VENDOR=${OWNER}
# Project name
PROJECT=tc-lib-pdf-parser
# Project version
VERSION=$(shell cat VERSION)
# Project release number (packaging build number)
RELEASE=$(shell cat RELEASE)
# Name of RPM or DEB package
PKGNAME=php-${OWNER}-${PROJECT}
# Data dir
DATADIR=usr/share
# PHP home folder
PHPHOME=${DATADIR}/php/Com/Tecnick
# Default installation path for code
LIBPATH=${PHPHOME}/Pdf/Parser/
# Path for configuration files (etc/$(PKGNAME)/)
CONFIGPATH=
# Default installation path for documentation
DOCPATH=${DATADIR}/doc/$(PKGNAME)/
# Installation path for the code
PATHINSTBIN=$(DESTDIR)/$(LIBPATH)
# Installation path for the configuration files
PATHINSTCFG=$(DESTDIR)/$(CONFIGPATH)
# Installation path for documentation
PATHINSTDOC=$(DESTDIR)/$(DOCPATH)
# Current directory
CURRENTDIR=$(CURDIR)/
# Target directory
TARGETDIR=target
# RPM Packaging path (where RPMs will be stored)
PATHRPMPKG=$(TARGETDIR)/RPM
# RPM local database path (avoid host rpmdb permission issues)
RPMDBPATH=$(PATHRPMPKG)/.rpmdb
# DEB Packaging path (where DEBs will be stored)
PATHDEBPKG=$(TARGETDIR)/DEB
# BZ2 Packaging path (where BZ2s will be stored)
PATHBZ2PKG=$(TARGETDIR)/BZ2
# sed argument for in-place substitutions
SEDINPLACE=-i
ifeq ($(shell uname -s),Darwin)
SEDINPLACE=-i ''
endif
# Default port number for the example server
PORT?=8000
# PHP binary
PHP=$(shell which php)
# Composer executable (disable APC to as a work-around of a bug)
COMPOSER=$(PHP) -d "apc.enable_cli=0" $(shell which composer)
# phpDocumentor executable file
PHPDOC=$(shell which phpDocumentor)
# Mago version
MAGOVERSION=1.43.0
# --- MAKE TARGETS ---
# Display general help about this command
.PHONY: help
help:
@echo ""
@echo "$(PROJECT) Makefile."
@echo "The following commands are available:"
@echo ""
@awk '/^## /{desc=substr($$0,4)} /^\.PHONY:/{if(NF>1) {target=$$2; if(desc) printf " make %-15s: %s\n",target,desc; desc=""}}' Makefile
@echo ""
@echo "To test and build everything from scratch, use the shortcut:"
@echo " make x"
@echo ""
# alias for help target
.PHONY: all
all: help
# Full build and test sequence
.PHONY: x
x: buildall
## Full build and test sequence
.PHONY: buildall
buildall: deps format qa bz2 rpm deb
## Package the library in a compressed bz2 archive
.PHONY: bz2
bz2:
rm -rf "$(PATHBZ2PKG)"
make install DESTDIR="$(PATHBZ2PKG)"
tar -jcvf "$(PATHBZ2PKG)/$(PKGNAME)-$(VERSION)-$(RELEASE).tbz2" -C "$(PATHBZ2PKG)" "$(DATADIR)"
## Delete the vendor and target directories
.PHONY: clean
clean:
rm -rf ./vendor "$(TARGETDIR)"
## Build a DEB package for Debian-like Linux distributions
.PHONY: deb
deb:
rm -rf "$(PATHDEBPKG)"
$(MAKE) install DESTDIR="$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)"
rm -f "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/$(DOCPATH)LICENSE"
tar -zcvf "$(PATHDEBPKG)/$(PKGNAME)_$(VERSION).orig.tar.gz" -C "$(PATHDEBPKG)/" "$(PKGNAME)-$(VERSION)"
cp -rf ./resources/debian "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian"
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -name '*.bak' -delete
chmod 755 "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/rules"
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -exec sed $(SEDINPLACE) "s/~#DATE#~/`date -R`/" {} \;
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -exec sed $(SEDINPLACE) "s/~#VENDOR#~/$(VENDOR)/" {} \;
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -exec sed $(SEDINPLACE) "s/~#PROJECT#~/$(PROJECT)/" {} \;
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -exec sed $(SEDINPLACE) "s/~#PKGNAME#~/$(PKGNAME)/" {} \;
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -exec sed $(SEDINPLACE) "s/~#VERSION#~/$(VERSION)/" {} \;
find "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/" -type f -exec sed $(SEDINPLACE) "s/~#RELEASE#~/$(RELEASE)/" {} \;
echo "$(LIBPATH)" > "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/$(PKGNAME).dirs"
echo "$(LIBPATH)* $(LIBPATH)" > "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/install"
echo "$(DOCPATH)" >> "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/$(PKGNAME).dirs"
echo "$(DOCPATH)* $(DOCPATH)" >> "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/install"
ifneq ($(strip $(CONFIGPATH)),)
echo "$(CONFIGPATH)" >> "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/$(PKGNAME).dirs"
echo "$(CONFIGPATH)* $(CONFIGPATH)" >> "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/install"
endif
echo "new-package-should-close-itp-bug" > "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)/debian/$(PKGNAME).lintian-overrides"
cd "$(PATHDEBPKG)/$(PKGNAME)-$(VERSION)" && debuild -us -uc
## Clean all artifacts and download all dependencies
.PHONY: deps
deps: ensuretarget
rm -rf ./vendor/*
($(COMPOSER) install -vvv --no-interaction)
curl --proto '=https' --tlsv1.2 --silent --show-error --fail --location https://carthage.software/mago.sh | bash -s -- --install-dir=./vendor/bin --version=$(MAGOVERSION)
## Generate source code documentation
.PHONY: doc
doc: ensuretarget
rm -rf "$(TARGETDIR)/doc"
$(PHPDOC) -d ./src -t "$(TARGETDIR)/doc/"
## Create missing target directories for test and build artifacts
.PHONY: ensuretarget
ensuretarget:
mkdir -p "$(TARGETDIR)/test"
mkdir -p "$(TARGETDIR)/report"
mkdir -p "$(TARGETDIR)/doc"
## Install this application
.PHONY: install
install: uninstall
mkdir -p "$(PATHINSTBIN)"
cp -rf ./src/* "$(PATHINSTBIN)"
cp -f ./resources/autoload.php "$(PATHINSTBIN)"
find "$(PATHINSTBIN)" -type d -exec chmod 755 {} \;
find "$(PATHINSTBIN)" -type f -exec chmod 644 {} \;
mkdir -p "$(PATHINSTDOC)"
cp -f ./LICENSE "$(PATHINSTDOC)"
cp -f ./README.md "$(PATHINSTDOC)"
cp -f ./VERSION "$(PATHINSTDOC)"
cp -f ./RELEASE "$(PATHINSTDOC)"
chmod -R 644 "$(PATHINSTDOC)"*
ifneq ($(strip $(CONFIGPATH)),)
mkdir -p "$(PATHINSTCFG)"
touch -c "$(PATHINSTCFG)"*
cp -ru "./resources/${CONFIGPATH}"* "$(PATHINSTCFG)"
find "$(PATHINSTCFG)" -type d -exec chmod 755 {} \;
find "$(PATHINSTCFG)" -type f -exec chmod 644 {} \;
endif
## Format the source code
.PHONY: format
format:
./vendor/bin/mago fmt src test example
## Analyze and Lint the source code
.PHONY: lint
lint:
./vendor/bin/mago --config ./mago.src.toml analyze src
./vendor/bin/mago --config ./mago.test.toml analyze test
./vendor/bin/mago --config ./mago.src.toml lint src
./vendor/bin/mago --config ./mago.test.toml lint test
## Run all tests and reports
.PHONY: qa
qa: ensuretarget lint test report
## Generate various reports
.PHONY: report
report: ensuretarget
./vendor/bin/pdepend --jdepend-xml="$(TARGETDIR)/report/dependencies.xml" --summary-xml="$(TARGETDIR)/report/metrics.xml" --jdepend-chart="$(TARGETDIR)/report/dependecies.svg" --overview-pyramid="$(TARGETDIR)/report/overview-pyramid.svg" --ignore=vendor ./src
#./vendor/bartlett/php-compatinfo/bin/phpcompatinfo --no-ansi analyser:run src/ > $(TARGETDIR)/report/phpcompatinfo.txt
## Build the RPM package for RedHat-like Linux distributions
.PHONY: rpm
rpm:
@test $(words $(CURDIR)) -eq 1 || { echo "ERROR: rpmbuild does not support spaces in the project path: $(CURDIR)"; exit 1; }
rm -rf "$(PATHRPMPKG)"
mkdir -p "$(RPMDBPATH)" "$(PATHRPMPKG)/tmp"
rpmbuild \
--define "_topdir $(CURRENTDIR)$(PATHRPMPKG)" \
--define "_dbpath $(CURRENTDIR)$(RPMDBPATH)" \
--define "_tmppath $(CURRENTDIR)$(PATHRPMPKG)/tmp" \
--define "_vendor $(VENDOR)" \
--define "_owner $(OWNER)" \
--define "_project $(PROJECT)" \
--define "_package $(PKGNAME)" \
--define "_version $(VERSION)" \
--define "_release $(RELEASE)" \
--define "_current_directory $(CURRENTDIR)" \
--define "_libpath /$(LIBPATH)" \
--define "_docpath /$(DOCPATH)" \
--define "_configpath /$(CONFIGPATH)" \
-bb resources/rpm/rpm.spec
## Start the development server
.PHONY: server
server:
$(PHP) -t example -S localhost:$(PORT)
## Tag this GIT version
.PHONY: tag
tag:
git checkout main && \
git tag -a ${VERSION} -m "Release ${VERSION}" && \
git push origin --tags && \
git pull
## Run unit tests
.PHONY: test
test:
cp phpunit.xml.dist phpunit.xml
#./vendor/bin/phpunit --migrate-configuration || true
XDEBUG_MODE=coverage ./vendor/bin/phpunit --stderr test
## Remove all installed files
.PHONY: uninstall
uninstall:
rm -rf "$(PATHINSTBIN)"
rm -rf "$(PATHINSTDOC)"
## Increase the version patch number
.PHONY: versionup
versionup:
echo ${VERSION} | gawk -F. '{printf("%d.%d.%d\n",$$1,$$2,(($$3+1)));}' > VERSION
vendor/tecnickcom/tc-lib-pdf-parser/README.md
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# tc-lib-pdf-parser
> Parser library for reading and extracting PDF document structures.
[![Latest Stable Version](https://poser.pugx.org/tecnickcom/tc-lib-pdf-parser/version)](https://packagist.org/packages/tecnickcom/tc-lib-pdf-parser)
[![Build](https://github.com/tecnickcom/tc-lib-pdf-parser/actions/workflows/check.yml/badge.svg)](https://github.com/tecnickcom/tc-lib-pdf-parser/actions/workflows/check.yml)
[![Coverage](https://codecov.io/gh/tecnickcom/tc-lib-pdf-parser/graph/badge.svg?token=SIGYQJG8D4)](https://codecov.io/gh/tecnickcom/tc-lib-pdf-parser)
[![License](https://poser.pugx.org/tecnickcom/tc-lib-pdf-parser/license)](https://packagist.org/packages/tecnickcom/tc-lib-pdf-parser)
[![Downloads](https://poser.pugx.org/tecnickcom/tc-lib-pdf-parser/downloads)](https://packagist.org/packages/tecnickcom/tc-lib-pdf-parser)
[![Sponsor on GitHub](https://img.shields.io/badge/sponsor-github-EA4AAA.svg?logo=githubsponsors&logoColor=white)](https://github.com/sponsors/tecnickcom)
> 💖 Part of the [tc-lib-pdf / TCPDF](https://github.com/tecnickcom/tc-lib-pdf) ecosystem (100M+ installs). [Sponsor its maintenance →](https://github.com/sponsors/tecnickcom)
---
## Overview
`tc-lib-pdf-parser` parses raw PDF data into structured PHP arrays suitable for extraction, analysis, and downstream processing.
The parser is designed for tooling scenarios such as content inspection, metadata extraction, validation, and migration pipelines. It favors clear structured output so applications can build higher-level analysis features without depending on fragile regular-expression parsing.
| | |
|---|---|
| **Namespace** | `\Com\Tecnick\Pdf\Parser` |
| **Author** | Nicola Asuni <info@tecnick.com> |
| **License** | [GNU LGPL v3](https://www.gnu.org/copyleft/lesser.html) - see [LICENSE](LICENSE) |
| **API docs** | <https://tcpdf.org/docs/srcdoc/tc-lib-pdf-parser> |
| **Packagist** | <https://packagist.org/packages/tecnickcom/tc-lib-pdf-parser> |
---
## Features
### Parsing Capabilities
- Cross-reference and object stream parsing
- Filter-aware stream decoding integration
- Structured output suitable for custom extractors
### Runtime Design
- Configuration options for tolerant parsing modes
- Pure-PHP parser with no external service dependency
- Typed exceptions for error handling
---
## Requirements
- PHP 8.2 or later
- Composer
---
## Installation
```bash
composer require tecnickcom/tc-lib-pdf-parser
```
---
## Quick Start
```php
<?php
require_once __DIR__ . '/vendor/autoload.php';
$raw = file_get_contents('/path/to/document.pdf');
$parser = new \Com\Tecnick\Pdf\Parser\Parser(['ignore_filter_errors' => true]);
$data = $parser->parse((string) $raw);
var_dump($data);
```
---
## Development
```bash
make deps
make help
make qa
```
---
## Packaging
```bash
make rpm
make deb
```
For system packages, bootstrap with:
```php
require_once '/usr/share/php/Com/Tecnick/Pdf/Parser/autoload.php';
```
---
## Contributing
Contributions are welcome. Please review [CONTRIBUTING.md](CONTRIBUTING.md), [CODE_OF_CONDUCT.md](CODE_OF_CONDUCT.md), and [SECURITY.md](SECURITY.md).
vendor/tecnickcom/tc-lib-pdf-parser/RELEASE
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1
vendor/tecnickcom/tc-lib-pdf-parser/SECURITY.md
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# Security Policy
This document describes the security policy for **tc-lib-pdf-parser**.
---
## Supported Versions
Security fixes are applied only to the **latest stable release** on the `main` branch.
We strongly recommend always running the latest release.
---
## Reporting a Vulnerability
**Please do not open a public GitHub issue for security vulnerabilities.**
If you discover a security vulnerability — or suspect one — follow responsible disclosure:
1. **Email** the maintainer directly at **[info@tecnick.com](mailto:info@tecnick.com)** with the subject line:
`[SECURITY] tc-lib-pdf-parser – <brief description>`
2. Include as much detail as possible (see [What to include](#what-to-include) below).
3. You will receive an acknowledgement as soon as possible.
4. We will work on a fix or mitigation as promptly as the complexity of the issue allows.
If you do not receive a timely response, please follow up by replying to the same email thread.
---
## What to Include
A high-quality report helps us triage and fix issues faster. Please provide:
- **Description** — a clear summary of the vulnerability and its potential impact.
- **Affected component** — which class, method, or feature is involved (e.g., `HTML::render()`, font loading, image processing).
- **Steps to reproduce** — a minimal, self-contained PHP script or unit test that demonstrates the issue.
- **Expected vs. actual behaviour** — what you expected to happen and what actually happened.
- **Environment** — PHP version, OS, library version (output of `composer show tecnickcom/tc-lib-pdf-parser`).
- **CVE / CWE reference** (optional) — if you have already identified a relevant classification.
- **Suggested fix** (optional) — a patch or proposed mitigation if you have one.
---
## Security Best Practices for Integrators
Integrators are responsible for sanitising input **before** passing it to the library. We recommend:
- **Validate and sanitise all user-supplied data**. Use a dedicated sanitiser when accepting content from end users.
- **Keep dependencies up to date.** Run `composer update` regularly and monitor advisories via [Packagist Security Advisories](https://packagist.org/packages/tecnickcom/tc-lib-pdf-parser) or tools such as `composer audit`.
- **Pin versions in production.** Use `composer.lock` and review changes on every update.
---
## Contact
| Channel | Details |
|---------|---------|
| Security email | [info@tecnick.com](mailto:info@tecnick.com) |
| Project website | <https://tcpdf.org> |
| GitHub repository | <https://github.com/tecnickcom/tc-lib-pdf-parser> |
| Packagist | <https://packagist.org/packages/tecnickcom/tc-lib-pdf-parser> |
vendor/tecnickcom/tc-lib-pdf-parser/VERSION
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3.14.2
vendor/tecnickcom/tc-lib-pdf-parser/composer.json
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{
"name": "tecnickcom/tc-lib-pdf-parser",
"description": "PHP library to parse PDF documents",
"type": "library",
"homepage": "https://tcpdf.org",
"license": "LGPL-3.0-or-later",
"keywords": [
"tc-lib-pdf-parser",
"PDF",
"parser",
"document"
],
"authors": [
{
"name": "Nicola Asuni",
"email": "info@tecnick.com",
"role": "lead"
}
],
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/tecnickcom"
}
],
"require": {
"php": ">=8.2",
"ext-pcre": "*",
"tecnickcom/tc-lib-pdf-filter": "^2.10"
},
"minimum-stability": "stable",
"prefer-stable": true,
"require-dev": {
"pdepend/pdepend": "^2.16",
"phpunit/phpunit": "^11.5 || ^12.5 || ^13.2"
},
"autoload": {
"psr-4": {
"Com\\Tecnick\\Pdf\\Parser\\": "src"
}
},
"autoload-dev": {
"psr-4": {
"Test\\": "test"
}
},
"support": {
"issues": "https://github.com/tecnickcom/tc-lib-pdf-parser/issues",
"source": "https://github.com/tecnickcom/tc-lib-pdf-parser"
},
"scripts": {
"test": "@php -d xdebug.mode=coverage vendor/bin/phpunit --stderr test",
"analyse": ["@analyse:src", "@analyse:test"],
"analyse:src": "mago --config mago.src.toml analyze src",
"analyse:test": "mago --config mago.test.toml analyze test",
"cs-check": ["@cs-check:src", "@cs-check:test"],
"cs-check:src": "mago --config mago.src.toml lint src",
"cs-check:test": "mago --config mago.test.toml lint test",
"cs-fix": "mago fmt src test",
"qa": ["@cs-check", "@analyse", "@test"]
}
}
vendor/tecnickcom/tc-lib-pdf-parser/example/index.php
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<?php
/**
* index.php
*
* @since 2015-02-21
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
// autoloader when using Composer
require __DIR__ . '/../vendor/autoload.php';
// autoloader when using RPM or DEB package installation
//require ('/usr/share/php/Com/Tecnick/Pdf/Parser/autoload.php');
$filename = '../resources/test/example_036.pdf';
$rawdata = \file_get_contents($filename);
if ($rawdata === false) {
\die('Unable to get the content of the file: ' . $filename);
}
// configuration parameters for parser
$cfg = [
'ignore_filter_errors' => true,
];
// parse PDF data
$pdf = new \Com\Tecnick\Pdf\Parser\Parser($cfg);
$data = $pdf->parse($rawdata);
// display data
\var_dump($data);
vendor/tecnickcom/tc-lib-pdf-parser/mago.src.toml
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#:schema https://mago.carthage.software/1.43.0/schema.json
version = "1"
php-version = "8.2.0"
[source]
workspace = "."
paths = ["src"]
includes = ["vendor"]
excludes = []
[source.glob]
literal-separator = true
[formatter]
print-width = 120
tab-width = 4
use-tabs = false
[linter]
integrations = []
[linter.rules]
ambiguous-function-call = { enabled = false }
literal-named-argument = { enabled = false }
cyclomatic-complexity = { enabled = false }
excessive-parameter-list = { enabled = true }
halstead = { enabled = true, effort-threshold = 12000, difficulty-threshold = 80 }
identity-comparison = { enabled = true }
kan-defect = { enabled = false }
no-boolean-flag-parameter = { enabled = false }
no-else-clause = { enabled = false }
no-empty = { enabled = true }
too-many-methods = { enabled = false }
no-isset = { enabled = true, allow-array-checks = true }
[analyzer]
plugins = []
ignore = [
{ code = "string-member-selector", in = ["src/Process/RawObject.php"] },
{ code = "imprecise-type", in = ["src/Process/RawObject.php"] },
]
find-unused-definitions = true
find-unused-expressions = true
analyze-dead-code = true
memoize-properties = true
check-throws = true
unchecked-exceptions = [
"Error",
"LogicException",
"ReflectionException",
]
unchecked-exception-classes = []
check-missing-override = true
find-unused-parameters = true
strict-list-index-checks = true
strict-array-index-existence = true
allow-array-truthy-operand = false
no-boolean-literal-comparison = true
check-missing-type-hints = true
register-super-globals = true
vendor/tecnickcom/tc-lib-pdf-parser/mago.test.toml
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#:schema https://mago.carthage.software/1.43.0/schema.json
version = "1"
php-version = "8.2.0"
[source]
workspace = "."
paths = ["src", "test"]
includes = ["vendor"]
excludes = []
[source.glob]
literal-separator = true
[formatter]
print-width = 120
tab-width = 4
use-tabs = false
[linter]
integrations = ["phpunit"]
[linter.rules]
ambiguous-function-call = { enabled = false }
literal-named-argument = { enabled = false }
assertion-style = { enabled = false }
cyclomatic-complexity = { enabled = false }
excessive-parameter-list = { enabled = false }
halstead = { enabled = false, effort-threshold = 7000 }
identity-comparison = { enabled = false }
kan-defect = { enabled = false }
no-boolean-flag-parameter = { enabled = false }
no-else-clause = { enabled = false }
no-empty = { enabled = false }
no-empty-catch-clause = { enabled = false }
no-isset = { enabled = false }
readable-literal = { enabled = false }
str-contains = { enabled = false }
strict-assertions = { enabled = false }
strict-behavior = { enabled = false }
strict-types = { enabled = false }
too-many-methods = { enabled = false }
[analyzer]
plugins = []
find-unused-definitions = true
find-unused-expressions = true
analyze-dead-code = true
memoize-properties = true
check-throws = true
unchecked-exceptions = [
"Error",
"LogicException",
"ReflectionException",
"PHPUnit\\Framework\\Exception",
"PHPUnit\\Framework\\ExpectationFailedException",
"PHPUnit\\Framework\\UnknownClassOrInterfaceException",
]
unchecked-exception-classes = []
check-missing-override = true
find-unused-parameters = true
strict-list-index-checks = true
strict-array-index-existence = true
allow-array-truthy-operand = false
no-boolean-literal-comparison = true
check-missing-type-hints = true
register-super-globals = true
vendor/tecnickcom/tc-lib-pdf-parser/phpcompatinfo.json
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{
"source-providers": [
{
"in": "src as source",
"exclude": "vendor",
"name": "/\\.(php)$/"
}
],
"plugins": [
],
"analysers": [
],
"services": [
]
}
vendor/tecnickcom/tc-lib-pdf-parser/phpunit.xml.dist
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<?xml version="1.0" encoding="UTF-8"?>
<phpunit backupGlobals="false"
bootstrap="vendor/autoload.php"
colors="true"
displayDetailsOnTestsThatTriggerDeprecations="true"
displayDetailsOnTestsThatTriggerErrors="true"
displayDetailsOnTestsThatTriggerNotices="true"
displayDetailsOnTestsThatTriggerWarnings="true"
displayDetailsOnPhpunitDeprecations="true"
processIsolation="false"
stopOnFailure="false">
<testsuites>
<testsuite name="tc-lib-pdf-parser Test Suite">
<directory>./test</directory>
</testsuite>
</testsuites>
<source>
<include>
<directory suffix=".php">src</directory>
</include>
</source>
<coverage>
<report>
<clover outputFile="target/coverage/coverage.xml"/>
<html outputDirectory="target/coverage" lowUpperBound="50" highLowerBound="90"/>
</report>
</coverage>
<logging>
<junit outputFile="target/logs/junit.xml"/>
</logging>
</phpunit>
vendor/tecnickcom/tc-lib-pdf-parser/resources/autoload.php
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<?php
/**
* autoload.php
*
* Autoloader for Tecnick.com libraries
*
* @since 2015-03-04
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2015-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
\spl_autoload_register(
function ($class) {
$prefix = 'Com\\Tecnick\\';
$len = \strlen($prefix);
if (\strncmp($prefix, $class, $len) !== 0) {
return;
}
$relative_class = \substr($class, $len);
$file = \dirname(\dirname(__DIR__)).'/'.\str_replace('\\', '/', $relative_class).'.php';
if (\file_exists($file)) {
require $file;
}
}
);
vendor/tecnickcom/tc-lib-pdf-parser/resources/debian/changelog
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~#PKGNAME#~ (~#VERSION#~-~#RELEASE#~) UNRELEASED; urgency=low
* Please check the
https://github.com/~#VENDOR#~/~#PROJECT#~
commit history
-- Nicola Asuni <info@tecnick.com> ~#DATE#~
vendor/tecnickcom/tc-lib-pdf-parser/resources/debian/control
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Source: ~#PKGNAME#~
Maintainer: Nicola Asuni <info@tecnick.com>
Section: php
Priority: optional
Build-Depends: debhelper-compat (= 13)
Standards-Version: 4.7.2
Rules-Requires-Root: no
Homepage: https://github.com/~#VENDOR#~/~#PROJECT#~
Vcs-Git: https://github.com/~#VENDOR#~/~#PROJECT#~.git
Vcs-Browser: https://github.com/~#VENDOR#~/~#PROJECT#~
Package: ~#PKGNAME#~
Provides: php-~#PROJECT#~
Architecture: all
Depends: php (>= 8.2.0), php-tecnickcom-tc-lib-pdf-filter (<< 2.0.0), php-tecnickcom-tc-lib-pdf-filter (>= 2.10.3), ${misc:Depends}
Description: PHP PDF Parser Library
PHP library to parse PDF documents.
vendor/tecnickcom/tc-lib-pdf-parser/resources/debian/copyright
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Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: ~#PROJECT#~
Source: https://github.com/~#VENDOR#~/~#PROJECT#~
Files: *
Copyright: Copyright 2001-2026 Nicola Asuni <info@tecnick.com>
License: LGPL-3
License: LGPL-3
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/> or
/usr/share/common-licenses/LGPL-3
vendor/tecnickcom/tc-lib-pdf-parser/resources/debian/rules
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#!/usr/bin/make -f
%:
dh $@
vendor/tecnickcom/tc-lib-pdf-parser/resources/debian/source/format
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3.0 (quilt)
vendor/tecnickcom/tc-lib-pdf-parser/resources/debian/watch
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version=4
opts=filenamemangle=s/.+\/v?(\d[\d\.]+)\.tar\.gz/~#PKGNAME#~_$1.orig.tar.gz/ \
https://github.com/~#VENDOR#~/~#PROJECT#~/tags \
.*/archive/refs/tags/v?(\d[\d\.]*)\.tar\.gz
vendor/tecnickcom/tc-lib-pdf-parser/resources/rpm/rpm.spec
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# SPEC file
%global c_vendor %{_vendor}
%global gh_owner %{_owner}
%global gh_project %{_project}
Name: %{_package}
Version: %{_version}
Release: %{_release}%{?dist}
Summary: PHP library to parse PDF documents
License: LGPLv3+
URL: https://github.com/%{gh_owner}/%{gh_project}
BuildArch: noarch
Requires: php(language) >= 8.2.0
Requires: php-composer(%{c_vendor}/tc-lib-pdf-filter) < 2.0.0
Requires: php-composer(%{c_vendor}/tc-lib-pdf-filter) >= 2.10.3
Requires: php-pcre
Provides: php-composer(%{c_vendor}/%{gh_project}) = %{version}
Provides: php-%{gh_project} = %{version}
%description
PHP library to parse PDF documents.
%build
#(cd %{_current_directory} && make build)
%install
rm -rf "%{buildroot}"
(cd "%{_current_directory}" && make install DESTDIR="%{buildroot}")
%files
%attr(-,root,root) %{_libpath}
%attr(-,root,root) %{_docpath}
%docdir %{_docpath}
# Optional config files can be listed here when used by a project.
%changelog
* Thu Jul 02 2026 Nicola Asuni <info@tecnick.com> 2.1.0-1
- Changed package name, add provides section
* Tue May 05 2026 Nicola Asuni <info@tecnick.com> 2.0.0-1
- Initial Commit
vendor/tecnickcom/tc-lib-pdf-parser/resources/test/example_005.pdf
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vendor/tecnickcom/tc-lib-pdf-parser/src/Exception.php
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<?php
declare(strict_types=1);
/**
* Exception.php
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Com\Tecnick\Pdf\Parser;
/**
* Com\Tecnick\Pdf\Parser\Exception
*
* Custom Exception class
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*/
class Exception extends \Exception {}
vendor/tecnickcom/tc-lib-pdf-parser/src/Parser.php
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vendor/tecnickcom/tc-lib-pdf-parser/src/Process/RawObject.php
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<?php
declare(strict_types=1);
/**
* RawObject.php
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Com\Tecnick\Pdf\Parser\Process;
/**
* Com\Tecnick\Pdf\Parser\Process\RawObject
*
* Process Raw Objects
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* @phpstan-type RawObjectArray array{
* 0: string,
* 1: string|array<int, array{
* 0: string,
* 1: string|array<int, array{
* 0: string,
* 1: string|array<int, array{
* 0: string,
* 1: string|array<int, array{
* 0: string,
* 1: string|array<int, array{
* 0: string,
* 1: string,
* 2: int,
* 3?: array{string, array<string>},
* }>,
* 2: int,
* 3?: array{string, array<string>},
* }>,
* 2: int,
* 3?: array{string, array<string>},
* }>,
* 2: int,
* 3?: array{string, array<string>},
* }>,
* 2: int,
* 3?: array{string, array<string>},
* }>,
* 2: int,
* 3?: array{string, array<string>},
* }
*
* @phpstan-type RawObjectValue string|array<int, array{
* 0: string,
* 1: string|array<int, array{
* 0: string,
* 1: string,
* 2: int,
* }>,
* 2: int,
* }>
*/
abstract class RawObject
{
/**
* Raw content of the PDF document.
*/
protected string $pdfdata = '';
/**
* Offset where the data of the most recently tokenized stream begins
* (i.e. just after the "stream" keyword and its end-of-line marker).
*/
protected int $streamDataStart = 0;
/**
* Whether to apply the PNG/TIFF predictor from DecodeParms when decoding a stream.
*
* This is temporarily disabled while the xref machinery decodes a cross-reference
* stream, because that path un-predicts the rows itself.
*/
protected bool $applyStreamPredictor = true;
/**
* Array of PDF objects.
*
* @var array<string, array<int, RawObjectArray>>
*/
protected array $objects = [];
/**
* Map symbols with corresponding processing methods.
*
* @var array<string, string>
*/
protected const SYMBOLMETHOD = [
// \x2F SOLIDUS
'/' => 'Solidus',
// \x28 LEFT PARENTHESIS
'(' => 'Parenthesis',
// \x29 RIGHT PARENTHESIS
')' => 'Parenthesis',
// \x5B LEFT SQUARE BRACKET
'[' => 'Bracket',
// \x5D RIGHT SQUARE BRACKET
']' => 'Bracket',
// \x3C LESS-THAN SIGN
'<' => 'Angular',
// \x3E GREATER-THAN SIGN
'>' => 'Angular',
];
/**
* Get object type, raw value and offset to next object
*
* @param int $offset Object offset.
*
* @return RawObjectArray Array containing: object type, raw value and offset to next object
*/
protected function getRawObject(int $offset = 0): array
{
// skip initial white space chars:
// \x00 null (NUL)
// \x09 horizontal tab (HT)
// \x0A line feed (LF)
// \x0C form feed (FF)
// \x0D carriage return (CR)
// \x20 space (SP)
$offset += \strspn($this->pdfdata, "\x00\x09\x0a\x0c\x0d\x20", $offset);
// stop if we reached the end of the (possibly truncated/malformed) data
if ($offset >= \strlen($this->pdfdata)) {
return ['', '', $offset];
}
// get first char
$char = $this->pdfdata[$offset];
if ($char === '%') { // \x25 PERCENT SIGN
// skip comment and search for next token
$next = \strcspn($this->pdfdata, "\r\n", $offset);
if ($next > 0) {
$offset += $next;
return $this->getRawObject($offset);
}
}
$objtype = '';
$objval = '';
// map symbols with corresponding processing methods
$methodSuffix = self::SYMBOLMETHOD[$char] ?? null;
if (\is_string($methodSuffix)) {
$method = 'process' . $methodSuffix;
$this->$method($char, $offset, $objtype, $objval);
} elseif (!$this->processDefaultName($offset, $objtype, $objval)) {
$this->processDefault($offset, $objtype, $objval);
}
return [$objtype, $objval, $offset];
}
/**
* Process name object
* \x2F SOLIDUS
*
* @param string $char Symbol to process
* @param-out int $offset Offset after processing
* @param-out string $objtype Object type after processing
* @param-out string $objval Object content after processing
*/
protected function processSolidus(string $char, int &$offset, string &$objtype, string|array &$objval): void
{
$objtype = $char;
++$offset;
$matches = [];
if (
\preg_match(
'/^([^\x00\x09\x0a\x0c\x0d\x20\s\x28\x29\x3c\x3e\x5b\x5d\x7b\x7d\x2f\x25]+)/',
\substr($this->pdfdata, $offset, 256),
$matches,
) === 1
&& ($matches[1] ?? null) !== null
) {
$objval = $matches[1]; // unescaped value
$offset += \strlen($objval);
}
}
/**
* Process literal string object
* \x28 LEFT PARENTHESIS and \x29 RIGHT PARENTHESIS
*
* @param string $char Symbol to process
* @param-out int $offset Offset after processing
* @param-out string $objtype Object type after processing
* @param-out string $objval Object content after processing
*/
protected function processParenthesis(string $char, int &$offset, string &$objtype, string|array &$objval): void
{
$objtype = $char;
++$offset;
$strpos = $offset;
if ($char === '(') {
$open_bracket = 1;
$pdflen = \strlen($this->pdfdata);
while ($open_bracket > 0 && $strpos < $pdflen) {
$chr = $this->pdfdata[$strpos];
switch ($chr) {
case '\\':
// REVERSE SOLIDUS (5Ch) (Backslash)
// skip next character
++$strpos;
break;
case '(':
// LEFT PARENTHESIS (28h)
++$open_bracket;
break;
case ')':
// RIGHT PARENTHESIS (29h)
--$open_bracket;
break;
}
++$strpos;
}
$objval = \substr($this->pdfdata, $offset, $strpos - $offset - 1);
$offset = $strpos;
}
}
/**
* Process array content
* \x5B LEFT SQUARE BRACKET and \x5D RIGHT SQUARE BRACKET
*
* @param string $char Symbol to process
* @param-out int $offset Offset after processing
* @param-out string $objtype Object type after processing
* @param-out string|array $objval Object content after processing
*/
protected function processBracket(string $char, int &$offset, string &$objtype, string|array &$objval): void
{
// array object
$objtype = $char;
++$offset;
if ($char === '[') {
// get array content
$objval = [];
do {
$oldoffset = $offset;
$element = $this->getRawObject($offset);
$offset = $element[2];
$objval[] = $element;
} while ($element[0] !== ']' && (int) $offset !== (int) $oldoffset);
if (\count($objval) > 0) {
// remove closing delimiter
\array_pop($objval);
}
}
}
/**
* Process \x3C LESS-THAN SIGN and \x3E GREATER-THAN SIGN
*
* @param string $char Symbol to process
* @param-out int $offset Offset after processing
* @param-out string $objtype Object type after processing
* @param-out string|array $objval Object content after processing
*/
protected function processAngular(string $char, int &$offset, string &$objtype, string|array &$objval): void
{
if (($this->pdfdata[$offset + 1] ?? null) === $char) {
// dictionary object
$objtype = $char . $char;
$offset += 2;
if ($char === '<') {
// get array content
$objval = [];
do {
$oldoffset = $offset;
$element = $this->getRawObject($offset);
$offset = $element[2];
$objval[] = $element;
} while ($element[0] !== '>>' && (int) $offset !== (int) $oldoffset);
if (\count($objval) > 0) {
// remove closing delimiter
\array_pop($objval);
}
}
} else {
// hexadecimal string object
$objtype = $char;
++$offset;
$matches = [];
if (
$char === '<'
&& \preg_match('/^([0-9A-Fa-f\x09\x0a\x0c\x0d\x20]+)>/iU', \substr($this->pdfdata, $offset), $matches)
=== 1
&& ($matches[0] ?? null) !== null
&& ($matches[1] ?? null) !== null
) {
// remove white space characters
$objval = \strtr($matches[1], "\x09\x0a\x0c\x0d\x20", '');
$offset += \strlen($matches[0]);
} elseif (($endpos = \strpos($this->pdfdata, '>', $offset)) !== false) {
$offset = $endpos + 1;
}
}
}
/**
* Process default
*
* @param-out int $offset Offset after processing
* @param-out string $objtype Object type after processing
* @param-out RawObjectValue $objval Object content after processing
*
* @return bool True in case of match, false otherwise
*/
protected function processDefaultName(int &$offset, string &$objtype, string|array &$objval): bool
{
$status = false;
if (\substr($this->pdfdata, $offset, 6) === 'endobj') {
// indirect object
$objtype = 'endobj';
$offset += 6;
$status = true;
} elseif (\substr($this->pdfdata, $offset, 4) === 'null') {
// null object
$objtype = 'null';
$offset += 4;
$objval = 'null';
$status = true;
} elseif (\substr($this->pdfdata, $offset, 4) === 'true') {
// boolean true object
$objtype = 'boolean';
$offset += 4;
$objval = 'true';
$status = true;
} elseif (\substr($this->pdfdata, $offset, 5) === 'false') {
// boolean false object
$objtype = 'boolean';
$offset += 5;
$objval = 'false';
$status = true;
} elseif (\substr($this->pdfdata, $offset, 6) === 'stream') {
// start stream object
$objtype = 'stream';
$offset += 6;
$matches = [];
if (
\preg_match('/^([\r]?[\n])/isU', \substr($this->pdfdata, $offset), $matches) === 1
&& ($matches[0] ?? null) !== null
) {
$offset += \strlen($matches[0]);
// record where the stream payload starts (used for length-aware extraction)
$this->streamDataStart = $offset;
if (
\preg_match(
'/(endstream)[\x09\x0a\x0c\x0d\x20]/isU',
\substr($this->pdfdata, $offset),
$matches,
PREG_OFFSET_CAPTURE,
) === 1
&& ($matches[0] ?? null) !== null
&& ($matches[1] ?? null) !== null
) {
$objval = \substr($this->pdfdata, $offset, (int) $matches[0][1]);
$offset += (int) $matches[1][1];
}
}
$status = true;
} elseif (\substr($this->pdfdata, $offset, 9) === 'endstream') {
// end stream object
$objtype = 'endstream';
$offset += 9;
$status = true;
}
return $status;
}
/**
* Process default
*
* @param-out int $offset Offset after processing
* @param-out string $objtype Object type after processing
* @param-out RawObjectValue $objval Object content after processing
*/
protected function processDefault(int &$offset, string &$objtype, string|array &$objval): void
{
$matches = [];
if (
\preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+R/iU', \substr($this->pdfdata, $offset, 33), $matches) === 1
&& ($matches[0] ?? null) !== null
&& ($matches[1] ?? null) !== null
&& ($matches[2] ?? null) !== null
) {
// indirect object reference
$objtype = 'objref';
$offset += \strlen($matches[0]);
$objval = (int) $matches[1] . '_' . (int) $matches[2];
} elseif (
\preg_match('/^([0-9]+)[\s]+([0-9]+)[\s]+obj/iU', \substr($this->pdfdata, $offset, 33), $matches) === 1
&& ($matches[0] ?? null) !== null
&& ($matches[1] ?? null) !== null
&& ($matches[2] ?? null) !== null
) {
// object start
$objtype = 'obj';
$objval = (int) $matches[1] . '_' . (int) $matches[2];
$offset += \strlen($matches[0]);
} elseif (($numlen = \strspn($this->pdfdata, '+-.0123456789', $offset)) > 0) {
// numeric object
$objtype = 'numeric';
$objval = \substr($this->pdfdata, $offset, $numlen);
$offset += $numlen;
}
}
}
vendor/tecnickcom/tc-lib-pdf-parser/src/Process/Xref.php
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<?php
declare(strict_types=1);
/**
* Xref.php
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Com\Tecnick\Pdf\Parser\Process;
use Com\Tecnick\Pdf\Parser\Exception as PPException;
/**
* Com\Tecnick\Pdf\Parser\Process\Xref
*
* Process XREF
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
* @phpstan-import-type XrefData from \Com\Tecnick\Pdf\Parser\Process\XrefStream
*
* @phpstan-type XrefDataPartial array{
* 'trailer'?: array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*
* @phpstan-type XrefDataInput array{
* 'trailer'?: array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref'?: array<string, int|string>,
* }
*/
abstract class Xref extends \Com\Tecnick\Pdf\Parser\Process\XrefStream
{
/**
* Default empty XREF data.
*
* @var XrefData
*/
protected const XREF_EMPTY = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
/**
* XREF data.
*
* @var XrefData
*/
protected array $xref = self::XREF_EMPTY;
/**
* Store the processed offsets
*
* @var array<int, int>
*/
protected array $mrkoff = [];
/**
* Get content of indirect object.
*
* @param string $obj_ref Object number and generation number separated by underscore character.
* @param int $offset Object offset.
* @param bool $decoding If true decode streams.
*
* @return array<int, RawObjectArray> Object data.
*/
abstract protected function getIndirectObject(string $obj_ref, int $offset = 0, bool $decoding = true): array;
/**
* Get Cross-Reference (xref) table and trailer data from PDF document data.
*
* @param int $offset Xref offset (if known).
* @param XrefDataInput $xref Previous xref array (if any).
*
* @return XrefData Xref and trailer data.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
* @SuppressWarnings("PHPMD.CyclomaticComplexity")
*/
protected function getXrefData(int $offset = 0, array $xref = []): array
{
if (\in_array($offset, $this->mrkoff, true)) {
throw new PPException('LOOP: this XRef offset has been already processed');
}
$this->mrkoff[] = $offset;
$matches = [];
if ($offset === 0) {
// find last startxref
$matchCount = \preg_match_all(
'/[\r\n]startxref[\s]*[\r\n]+([0-9]+)[\s]*[\r\n]+%%EOF/i',
$this->pdfdata,
$matches,
PREG_SET_ORDER,
$offset,
);
if ($matchCount === false || $matchCount === 0) {
throw new PPException('Unable to find startxref (1)');
}
$matches = \array_pop($matches);
$startxref = (int) ($matches[1] ?? 0);
} elseif (($pos = \strpos($this->pdfdata, 'xref', $offset)) !== false && $pos <= ($offset + 4)) {
// Already pointing at the xref table
$startxref = $pos;
} elseif (\preg_match('/([0-9]+[\s][0-9]+[\s]obj)/i', $this->pdfdata, $matches, PREG_OFFSET_CAPTURE, $offset)) {
// Cross-Reference Stream object
$startxref = (int) $offset;
} elseif (\preg_match(
'/[\r\n]startxref[\s]*[\r\n]+([0-9]+)[\s]*[\r\n]+%%EOF/i',
$this->pdfdata,
$matches,
PREG_OFFSET_CAPTURE,
$offset,
)) {
// startxref found
$startxref = (int) ($matches[1][0] ?? 0);
} else {
throw new PPException('Unable to find startxref (3)');
}
$xref['xref'] ??= [];
// check xref position (allow leading whitespace before the xref keyword)
$xrefPos = \strpos($this->pdfdata, 'xref', $startxref);
$hasPlainXref = false;
if ($xrefPos !== false && $xrefPos >= $startxref) {
$prefixLen = $xrefPos - $startxref;
$prefix = $prefixLen > 0 ? \substr($this->pdfdata, $startxref, $prefixLen) : '';
if (\trim($prefix, "\x00\x09\x0a\x0c\x0d\x20") === '') {
$hasPlainXref = true;
}
}
if ($hasPlainXref) {
// Cross-Reference
$xrefStart = \is_int($xrefPos) ? $xrefPos : $startxref;
$xref = $this->decodeXref($xrefStart, $xref);
} else {
// Cross-Reference Stream
$xref = $this->decodeXrefStream($startxref, $xref);
}
if ($xref['xref'] === []) {
throw new PPException('Unable to find xref (4)');
}
return $xref;
}
/**
* Decode the Cross-Reference section
*
* @param int $startxref Offset at which the xref section starts (position of the 'xref' keyword).
* @param XrefDataPartial $xref Previous xref array (if any).
*
* @return XrefData Xref and trailer data.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function decodeXref(int $startxref, array $xref): array
{
$startxref += 4; // 4 is the length of the word 'xref'
// skip initial white space chars:
// \x00 null (NUL)
// \x09 horizontal tab (HT)
// \x0A line feed (LF)
// \x0C form feed (FF)
// \x0D carriage return (CR)
// \x20 space (SP)
$offset = $startxref + \strspn($this->pdfdata, "\x00\x09\x0a\x0c\x0d\x20", $startxref);
// initialize object number
$obj_num = 0;
$matches = [];
// search for cross-reference entries or subsection
while (
\preg_match(
'/(\d+)[\x20](\d+)[\x20]?([nf]?)(\r\n|[\x20]?[\r\n])/',
$this->pdfdata,
$matches,
PREG_OFFSET_CAPTURE,
$offset,
) === 1
) {
$matchOffset = (int) ($matches[0][1] ?? -1);
if ($matchOffset !== $offset) {
// we are on another section
break;
}
$offset += \strlen($matches[0][0] ?? '');
$flag = $matches[3][0] ?? '';
if ($flag === 'n') {
// create unique object index: [object number]_[generation number]
$index = $obj_num . '_' . (int) ($matches[2][0] ?? 0);
// check if object already exist
if (!\array_key_exists($index, $xref['xref'])) {
// store object offset position
$xref['xref'][$index] = (int) ($matches[1][0] ?? 0);
}
++$obj_num;
continue;
}
if ($flag === 'f') {
++$obj_num;
continue;
}
// object number (index) - handle any other character (free object)
$obj_num = (int) ($matches[1][0] ?? 0);
}
// get trailer data (using a depth-aware scan so nested dictionaries are not truncated)
$trailerData = $this->extractTrailerDict($offset);
if ($trailerData === null) {
throw new PPException('Unable to find trailer');
}
return $this->getTrailerData($xref, $trailerData);
}
/**
* Extract the content of the trailer dictionary, honouring nested "<<...>>" pairs.
*
* @param int $offset Offset from which to look for the 'trailer' keyword.
*
* @return string|null The dictionary content (without the outer delimiters), or null if not found.
*/
protected function extractTrailerDict(int $offset): ?string
{
$search = $offset;
while (($trpos = \strpos($this->pdfdata, 'trailer', $search)) !== false) {
$search = $trpos + 7; // 7 is the length of the word 'trailer'
// only whitespace is allowed between the 'trailer' keyword and the '<<' delimiter
$open = $search + \strspn($this->pdfdata, "\x00\x09\x0a\x0c\x0d\x20", $search);
if (\substr($this->pdfdata, $open, 2) !== '<<') {
continue;
}
$content = $this->extractBalancedDict($open);
if ($content !== null) {
return $content;
}
}
return null;
}
/**
* Return the content between the outermost balanced "<<" and ">>" starting at $open.
*
* @param int $open Offset of the opening '<<'.
*
* @return string|null Inner content, or null if the dictionary is not balanced.
*/
protected function extractBalancedDict(int $open): ?string
{
$len = \strlen($this->pdfdata);
$depth = 0;
$contentStart = $open + 2;
for ($pos = $open; $pos < ($len - 1); ++$pos) {
$pair = $this->pdfdata[$pos] . $this->pdfdata[$pos + 1];
if ($pair === '<<') {
++$depth;
++$pos;
continue;
}
if ($pair === '>>') {
--$depth;
if ($depth === 0) {
return \substr($this->pdfdata, $contentStart, $pos - $contentStart);
}
++$pos;
}
}
return null;
}
/**
* Decode the raw xref stream rows into xref entry values.
*
* @param string $streamData Raw stream payload.
* @param int $entryWidth Width of a decoded row without PNG predictor metadata.
* @param int $pngColumns Column count to use when a PNG predictor is active.
* @param bool $usePngPredictor Whether to apply PNG unprediction.
* @param array<int, int> $wbt WBT data.
*
* @return array<int, array<int, int>>
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function decodeXrefStreamRows(
string $streamData,
int $entryWidth,
int $pngColumns,
bool $usePngPredictor,
array $wbt,
): array {
$rowlen = $usePngPredictor ? $pngColumns + 1 : $entryWidth;
// convert the stream into an array of integers
$sdata = \unpack('C*', $streamData);
// split the rows
$sdata = \array_chunk($sdata, \max(1, $rowlen), false);
if ($usePngPredictor) {
// initialize decoded array
$ddata = [];
// initialize first row with zeros
$filllen = \max(0, $pngColumns);
$prev_row = \array_fill(0, $filllen, 0);
$this->pngUnpredictor($sdata, $ddata, $pngColumns, $prev_row);
} else {
$ddata = $sdata;
}
// complete decoding
$sdata = [];
$this->processDdata($sdata, $ddata, $wbt);
return $sdata;
}
/**
* Decode the PDF trailer dictionary data
*
* @param XrefDataPartial $xref Previous xref array (if any).
* @param string $trailer_data Trailer content string.
*
* @return XrefData Xref and trailer data.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function getTrailerData(array $xref, string $trailer_data): array
{
$matches = [];
if (($xref['trailer'] ?? []) === []) {
// get only the last updated version
$xref['trailer'] = [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
];
// parse trailer_data
if (\preg_match('/Size[\s]+([0-9]+)/i', $trailer_data, $matches) === 1) {
$xref['trailer']['size'] = (int) ($matches[1] ?? 0);
}
if (\preg_match('/Root[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) === 1) {
$xref['trailer']['root'] = (int) ($matches[1] ?? 0) . '_' . (int) ($matches[2] ?? 0);
}
if (\preg_match('/Encrypt[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) === 1) {
$xref['trailer']['encrypt'] = (int) ($matches[1] ?? 0) . '_' . (int) ($matches[2] ?? 0);
}
if (\preg_match('/Info[\s]+([0-9]+)[\s]+([0-9]+)[\s]+R/i', $trailer_data, $matches) === 1) {
$xref['trailer']['info'] = (int) ($matches[1] ?? 0) . '_' . (int) ($matches[2] ?? 0);
}
if (\preg_match('/ID[\s]*+[\[][\s]*+[<]([^>]*+)[>][\s]*+[<]([^>]*+)[>]/i', $trailer_data, $matches) === 1) {
/** @var array<int, string> $id_array */
$id_array = [$matches[1] ?? '', $matches[2] ?? ''];
$xref['trailer']['id'] = $id_array;
}
}
if (\preg_match('/Prev[\s]+([0-9]+)/i', $trailer_data, $matches) === 1) {
// get previous xref
return $this->getXrefData((int) ($matches[1] ?? 0), $xref);
}
$xref['trailer'] ??= self::XREF_EMPTY['trailer'];
return $xref;
}
/**
* Decode the Cross-Reference Stream section
*
* @param int $startxref Offset at which the xref section starts.
* @param XrefDataPartial $xref Previous xref array (if any).
*
* @return XrefData Xref and trailer data.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
* @SuppressWarnings("PHPMD.CyclomaticComplexity")
*/
protected function decodeXrefStream(int $startxref, array $xref): array
{
// try to read Cross-Reference Stream
$xrefobj = $this->getRawObject($startxref);
if (!\is_string($xrefobj[1])) {
throw new PPException('Unable to find xref stream');
}
// the xref rows are un-predicted by this class itself, so suppress the generic
// predictor handling while decoding the cross-reference stream payload
$this->applyStreamPredictor = false;
try {
$xrefcrs = $this->getIndirectObject($xrefobj[1], $startxref, true);
} finally {
$this->applyStreamPredictor = true;
}
$filltrailer = ($xref['trailer'] ?? []) === [];
if ($filltrailer) {
$xref['trailer'] = self::XREF_EMPTY['trailer'];
}
$valid_crs = false;
$columns = 0;
$predictor = 0;
$sarr = $xrefcrs[0][1] ?? [];
/** @var array<int, array>|string $sarr */
if (!\is_array($sarr)) {
$sarr = [];
}
/** @var array<int, RawObjectArray> $sarr */
/** @var XrefData $xref */
$wbt = [0, 0, 0];
$state = [
'index_sections' => null,
'prevxref' => null,
'predictor' => $predictor,
'columns' => $columns,
'size' => null,
'valid_crs' => $valid_crs,
];
$this->processXrefType($sarr, $xref, $wbt, $state, $filltrailer);
$index_sections = $state['index_sections'];
$size = $state['size'];
$columns = $state['columns'];
$predictor = (int) $state['predictor'];
$valid_crs = $state['valid_crs'];
// decode data
$streamData = $xrefcrs[1][3][0] ?? null;
if ($valid_crs && \is_string($streamData)) {
$entryWidth = \max(1, (int) (($wbt[0] ?? 0) + ($wbt[1] ?? 0) + ($wbt[2] ?? 0)));
$usePngPredictor = $predictor >= 10;
$pngColumns = $columns > 0 ? $columns : $entryWidth;
$sdata = $this->decodeXrefStreamRows($streamData, $entryWidth, $pngColumns, $usePngPredictor, $wbt);
$ddata = [];
if ($index_sections === null) {
if ($size === null) {
throw new PPException('Unable to determine xref stream Index coverage: missing Index and Size');
}
$index_sections = [[0, $size]];
}
$objNumbers = $this->buildXrefObjectNumbers($index_sections);
$this->processObjIndexesMap($xref, $objNumbers, $sdata);
}
// end decoding data
$prevxref = $state['prevxref'];
if ($prevxref === null) {
return $xref;
}
// get previous xref
return $this->getXrefData($prevxref, $xref);
}
/**
* Process ddata
*
* @param array<int, array<int, int>> $sdata
* @param array<int, array<int, int>> $ddata
* @param array<int, int> $wbt
*/
protected function processDdata(array &$sdata, array $ddata, array $wbt): void
{
// for every row
foreach ($ddata as $key => $row) {
// initialize new row
$sdata[$key] = [0, 0, 0];
if (($wbt[0] ?? 0) === 0) {
// default type field
$sdata[$key][0] = 1;
}
$idx = 0; // count bytes in the row
// for every column
for ($col = 0; $col < 3; ++$col) {
// for every byte on the column
$colWidth = (int) ($wbt[$col] ?? 0);
for ($byte = 0; $byte < $colWidth; ++$byte) {
if (\array_key_exists($idx, $row)) {
$rowValue = (int) $row[$idx];
$currentValue = (int) ($sdata[$key][$col] ?? 0);
$shift = ($colWidth - 1 - $byte) * 8;
$sdata[$key][$col] = $currentValue + ($rowValue << $shift);
}
++$idx;
}
}
}
}
}
vendor/tecnickcom/tc-lib-pdf-parser/src/Process/XrefStream.php
Vendored
+512
View File
@@ -0,0 +1,512 @@
<?php
declare(strict_types=1);
/**
* XrefStream.php
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Com\Tecnick\Pdf\Parser\Process;
use Com\Tecnick\Pdf\Parser\Exception as PPException;
/**
* Com\Tecnick\Pdf\Parser\Process\XrefStream
*
* Process XREF
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
*
* @phpstan-type XrefData array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*
* @SuppressWarnings("PHPMD.ExcessiveClassComplexity")
*/
abstract class XrefStream extends \Com\Tecnick\Pdf\Parser\Process\RawObject
{
/**
* Process object indexes
*
* @param XrefData $xref XREF data
* @param int $obj_num Object number
* @param array<int, array<int, int>> $sdata Stream data
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function processObjIndexes(array &$xref, int &$obj_num, array $sdata): void
{
foreach ($sdata as $sdatum) {
$this->processSingleObjIndex($xref, $obj_num, $sdatum);
++$obj_num;
}
}
/**
* Process object indexes using explicit object numbers.
*
* @param XrefData $xref XREF data
* @param array<int, int> $objNumbers Object numbers for each stream row
* @param array<int, array<int, int>> $sdata Stream data
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function processObjIndexesMap(array &$xref, array $objNumbers, array $sdata): void
{
$objCount = \count($objNumbers);
$rowCount = \count($sdata);
if ($rowCount !== $objCount) {
throw new PPException(
'Invalid xref stream row count: expected ' . $objCount . ' rows from Index, got ' . $rowCount,
);
}
foreach ($objNumbers as $idx => $objNum) {
$row = $sdata[$idx] ?? null;
if (!\is_array($row)) {
throw new PPException('Invalid xref stream row at index ' . $idx);
}
$this->processSingleObjIndex($xref, $objNum, $row);
}
}
/**
* Process a single xref stream row.
*
* @param XrefData $xref XREF data
* @param int $objNum Object number for the row
* @param array<int, int> $sdatum Stream row data
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function processSingleObjIndex(array &$xref, int $objNum, array $sdatum): void
{
$entryType = (int) ($sdatum[0] ?? 0);
switch ($entryType) {
case 0:
// (f) linked list of free objects
break;
case 1:
if (!\array_key_exists(1, $sdatum)) {
throw new PPException(
'Invalid xref stream entry for object ' . $objNum . ': missing offset for in-use entry',
);
}
// (n) objects that are in use but are not compressed
// create unique object index: [object number]_[generation number]
$index = $objNum . '_' . (int) ($sdatum[2] ?? 0);
// check if object already exist
if (!\array_key_exists($index, $xref['xref'])) {
// store object offset position
$xref['xref'][$index] = (int) $sdatum[1];
}
break;
case 2:
if (!\array_key_exists(1, $sdatum) || !\array_key_exists(2, $sdatum)) {
throw new PPException(
'Invalid xref stream entry for object '
. $objNum
. ': missing object stream reference for compressed entry',
);
}
// compressed objects
// $row[1] = object number of the object stream in which this object is stored
// $row[2] = index of this object within the object stream
$index = $objNum . '_0';
if (!\array_key_exists($index, $xref['xref'])) {
$xref['xref'][$index] = (int) $sdatum[1] . '_0_' . (int) $sdatum[2];
}
break;
default:
// null objects
break;
}
}
/**
* PNG Unpredictor
*
* @param array<int, array<int, int>> $sdata Stream data
* @param array<int, array<int, int>> $ddata Decoded data
* @param int $columns Number of columns
* @param array<int, int> $prev_row Previous row
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function pngUnpredictor(array $sdata, array &$ddata, int $columns, array $prev_row): void
{
// for each row apply PNG unpredictor
foreach ($sdata as $key => $row) {
// initialize new row
$filllen = \max(0, $columns);
$ddata[$key] = \array_fill(0, $filllen, 0);
// get PNG predictor value
$predictor = 10 + (int) ($row[0] ?? 0);
// for each byte on the row
for ($idx = 1; $idx <= $columns; ++$idx) {
// new index
$jdx = $idx - 1;
$row_up = (int) ($prev_row[$jdx] ?? 0);
if ($idx === 1) {
$row_left = 0;
$row_upleft = 0;
} else {
$row_left = (int) ($row[$idx - 1] ?? 0);
$row_upleft = (int) ($prev_row[$jdx - 1] ?? 0);
}
$row_value = (int) ($row[$idx] ?? 0);
switch ($predictor) {
case 10:
// PNG prediction (on encoding, PNG None on all rows)
$ddata[$key][$jdx] = $row_value;
break;
case 11:
// PNG prediction (on encoding, PNG Sub on all rows)
$ddata[$key][$jdx] = ($row_value + $row_left) & 0xff;
break;
case 12:
// PNG prediction (on encoding, PNG Up on all rows)
$ddata[$key][$jdx] = ($row_value + $row_up) & 0xff;
break;
case 13:
// PNG prediction (on encoding, PNG Average on all rows)
$ddata[$key][$jdx] = ($row_value + \intdiv($row_left + $row_up, 2)) & 0xff;
break;
case 14:
// PNG prediction (on encoding, PNG Paeth on all rows)
$this->minDistance($ddata, $key, $row_value, $jdx, [$row_left, $row_up, $row_upleft]);
break;
default:
// PNG prediction (on encoding, PNG optimum)
throw new PPException('Unknown PNG predictor');
}
}
$prev_row = $ddata[$key];
} // end for each row
}
/**
* Return minimum distance for PNG unpredictor
*
* @param array<int, array<int, int>> $ddata Decoded data
* @param int $key Key
* @param int $row_value Current row value
* @param int $jdx Jdx
* @param array{0:int, 1:int, 2:int} $rows Left, up and up-left row values
*/
protected function minDistance(array &$ddata, int $key, int $row_value, int $jdx, array $rows): void
{
$row_left = $rows[0];
$row_up = $rows[1];
$row_upleft = $rows[2];
// initial estimate
$pos = $row_left + $row_up - $row_upleft;
// distances
$psa = \abs($pos - $row_left);
$psb = \abs($pos - $row_up);
$psc = \abs($pos - $row_upleft);
$pmin = \min($psa, $psb, $psc);
switch ($pmin) {
case $psa:
$ddata[$key][$jdx] = ($row_value + $row_left) & 0xff;
break;
case $psb:
$ddata[$key][$jdx] = ($row_value + $row_up) & 0xff;
break;
case $psc:
$ddata[$key][$jdx] = ($row_value + $row_upleft) & 0xff;
break;
}
}
/**
* Process XREF types
*
* @param array<int, RawObjectArray> $sarr Stream data
* @param XrefData $xref XREF data
* @param array<int, int> $wbt WBT data
* @param array{
* index_sections: array<int, array{0:int, 1:int}>|null,
* prevxref: int|null,
* predictor: int,
* columns: int,
* size: int|null,
* valid_crs: bool
* } $state Parsing state
* @param bool $filltrailer Fill trailer
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*
* @SuppressWarnings("PHPMD.CyclomaticComplexity")
*/
protected function processXrefType(array $sarr, array &$xref, array &$wbt, array &$state, bool $filltrailer): void
{
foreach ($sarr as $key => $val) {
if ($val[0] !== '/') {
continue;
}
if (!\is_string($val[1])) {
continue;
}
$next = $sarr[$key + 1] ?? null;
switch ($val[1]) {
case 'Type':
$state['valid_crs'] = \is_array($next) && $next[0] === '/' && $next[1] === 'XRef';
break;
case 'Index':
$state['index_sections'] = $this->parseXrefIndexSections($next);
break;
case 'Prev':
$this->processXrefPrev($next, $state['prevxref']);
break;
case 'Size':
if (\is_array($next) && $next[0] === 'numeric') {
$state['size'] = (int) $next[1];
}
break;
case 'W':
// number of bytes (in the decoded stream) of the corresponding field
if (\is_array($next)) {
$wbt[0] = (int) ($next[1][0][1] ?? 0);
$wbt[1] = (int) ($next[1][1][1] ?? 0);
$wbt[2] = (int) ($next[1][2][1] ?? 0);
}
break;
case 'DecodeParms':
$this->processXrefDecodeParms($next, $state['columns'], $state['predictor']);
break;
}
$this->processXrefTypeFt($val[1], $sarr, $key, $xref, $filltrailer);
}
}
/**
* Parse the xref stream Index array into normalized [startObj, count] pairs.
*
* @param RawObjectArray|null $indexObj Index object token.
*
* @return array<int, array{0:int, 1:int}>|null
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
protected function parseXrefIndexSections(?array $indexObj): ?array
{
if (!\is_array($indexObj)) {
return null;
}
$values = $indexObj[1];
if (!\is_array($values)) {
return null;
}
if ((\count($values) % 2) !== 0) {
throw new PPException('Invalid xref stream Index array: expected even number of values');
}
$sections = [];
for ($idx = 0, $max = \count($values); $idx < $max; $idx += 2) {
$startToken = $values[$idx] ?? null;
$countToken = $values[$idx + 1] ?? null;
if (!\is_array($startToken) || !\is_array($countToken)) {
throw new PPException('Invalid xref stream Index array: expected numeric values');
}
if ($startToken[0] !== 'numeric' || $countToken[0] !== 'numeric') {
throw new PPException('Invalid xref stream Index array: expected numeric values');
}
$startObj = (int) $startToken[1];
$count = (int) $countToken[1];
if ($startObj < 0 || $count < 0) {
throw new PPException('Invalid xref stream Index array: values must be non-negative');
}
$sections[] = [$startObj, $count];
}
return $sections;
}
/**
* Build the full object-number map for decoded xref stream rows.
*
* @param array<int, array{0:int, 1:int}> $indexSections Normalized Index sections.
*
* @return array<int, int>
*/
protected function buildXrefObjectNumbers(array $indexSections): array
{
$objNumbers = [];
foreach ($indexSections as $section) {
$startObj = $section[0];
$count = $section[1];
$limit = $startObj + $count;
for ($objNum = $startObj; $objNum < $limit; ++$objNum) {
$objNumbers[] = $objNum;
}
}
return $objNumbers;
}
/**
* Process XREF type Prev
*
* @param RawObjectArray|null $next Next token
* @param int|null $prevxref Previous XREF
*/
protected function processXrefPrev(?array $next, ?int &$prevxref): void
{
if (\is_array($next) && $next[0] === 'numeric') {
// get previous xref offset
$prevxref = (int) $next[1];
}
}
/**
* Process XREF type DecodeParms
*
* @param RawObjectArray|null $next Next token
* @param int $columns Number of columns
* @param int $predictor Predictor value
*/
protected function processXrefDecodeParms(?array $next, int &$columns, int &$predictor): void
{
$decpar = $next[1] ?? null;
if (!\is_array($decpar)) {
return;
}
foreach ($decpar as $kdc => $vdc) {
$nextDecpar = $decpar[$kdc + 1] ?? null;
if (\is_array($nextDecpar) && $vdc[0] === '/' && $vdc[1] === 'Columns' && $nextDecpar[0] === 'numeric') {
$columns = (int) $nextDecpar[1];
continue;
}
if (\is_array($nextDecpar) && $vdc[0] === '/' && $vdc[1] === 'Predictor' && $nextDecpar[0] === 'numeric') {
$predictor = (int) $nextDecpar[1];
}
}
$columns = \max(0, $columns);
$predictor = \max(0, $predictor);
}
/**
* Process XREF type
*
* @param string $type Type
* @param array<int, RawObjectArray> $sarr Stream data
* @param int $key Key
* @param XrefData $xref XREF data
* @param bool $filltrailer Fill trailer
*/
protected function processXrefTypeFt(string $type, array $sarr, int $key, array &$xref, bool $filltrailer): void
{
if (!$filltrailer) {
return;
}
$next = $sarr[$key + 1] ?? null;
switch ($type) {
case 'Size':
if (\is_array($next) && $next[0] === 'numeric') {
$xref['trailer']['size'] = (int) $next[1];
}
break;
case 'ID':
$id0 = $next[1][0][1] ?? null;
$id1 = $next[1][1][1] ?? null;
if (!\is_array($next) || !\is_string($id0) || !\is_string($id1) || $id0 === '' || $id1 === '') {
break;
}
$xref['trailer']['id'] = [
$id0,
$id1,
];
break;
default:
$xref = $this->processXrefObjref($type, $sarr, $key, $xref);
break;
}
}
/**
* Process XREF type Objref
*
* @param string $type Type
* @param array<int, RawObjectArray> $sarr Stream data
* @param int $key Key
* @param XrefData $xref XREF data
*
* @return XrefData XREF data.
*/
protected function processXrefObjref(string $type, array $sarr, int $key, array $xref): array
{
$next = $sarr[$key + 1] ?? null;
if (!\is_array($next) || $next[0] !== 'objref') {
return $xref;
}
$val = $next[1];
if (!\is_string($val)) {
return $xref;
}
switch ($type) {
case 'Root':
$xref['trailer']['root'] = $val;
break;
case 'Info':
$xref['trailer']['info'] = $val;
break;
case 'Encrypt':
$xref['trailer']['encrypt'] = $val;
break;
}
return $xref;
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/ParserFixesTest.php
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<?php
/**
* ParserFixesTest.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Parser;
use PHPUnit\Framework\TestCase;
/**
* Regression tests for parser hardening and stream-decoding fixes.
*
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
*/
class ParserFixesTest extends TestCase
{
/**
* F1: the same parser instance must be reusable for multiple documents.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParserInstanceIsReusableAcrossDocuments(): void
{
$pdf = (string) \file_get_contents('resources/test/example_005.pdf');
$parser = new Parser(['ignore_filter_errors' => true]);
$first = $parser->parse($pdf);
$second = $parser->parse($pdf);
$this->assertSame(\md5(\serialize($first)), \md5(\serialize($second)));
}
/**
* F2: a truncated object body running to EOF must not emit PHP warnings.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testTruncatedObjectBodyDoesNotEmitWarnings(): void
{
$header = "%PDF-1.4\n";
$objBody = "1 0 obj\n(unterminated literal string with no closing parenthesis\n";
$objOffset = \strlen($header);
$document = $header . $objBody;
$xrefOffset = \strlen($document);
$document .=
"xref\n0 2\n0000000000 65535 f \n"
. $this->xrefInUseEntry($objOffset)
. "trailer\n<< /Size 2 /Root 1 0 R >>\nstartxref\n"
. $xrefOffset
. "\n%%EOF";
$warnings = [];
\set_error_handler(static function (int $_errno, string $errstr) use (&$warnings): bool {
$warnings[] = $errstr;
return true;
});
try {
$parser = new Parser(['ignore_filter_errors' => true]);
$parser->parse($document);
} finally {
\restore_error_handler();
}
$this->assertSame([], $warnings);
}
/**
* F3: a false "endstream" marker inside the payload must not truncate the stream
* when a direct /Length declares the real length.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testStreamIsNotTruncatedAtFalseEndstreamWithDirectLength(): void
{
$payload = "ABC endstream FAKE\nXYZ-real-tail";
$this->assertSame(
$payload,
$this->extractStreamPayload($this->buildFalseEndstreamPdf((string) \strlen($payload), $payload)),
);
}
/**
* F3: the same protection must work when /Length is an indirect reference.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testStreamIsNotTruncatedAtFalseEndstreamWithIndirectLength(): void
{
$payload = "ABC endstream FAKE\nXYZ-real-tail";
$this->assertSame($payload, $this->extractStreamPayload($this->buildFalseEndstreamPdf('5 0 R', $payload)));
}
/**
* F4: a PNG predictor declared in DecodeParms of a regular FlateDecode stream
* must be reversed (Colors/BitsPerComponent honoured).
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testPngPredictorIsReversedForRegularFlateStream(): void
{
$colors = 3;
$columns = 2;
$rawRows = [
[10, 20, 30, 40, 50, 60],
[11, 22, 33, 44, 55, 66],
[200, 100, 50, 7, 8, 9],
];
$rawFlat = '';
foreach ($rawRows as $row) {
$rawFlat .= \pack('C*', ...$row);
}
$predicted = '';
foreach ($rawRows as $row) {
// PNG Sub filter (type 1): encoded = raw - left
$predicted .= \chr(1);
$count = \count($row);
for ($i = 0; $i < $count; ++$i) {
$left = $i >= $colors ? (int) ($row[$i - $colors] ?? 0) : 0;
$predicted .= \chr(((int) ($row[$i] ?? 0) - $left) & 0xff);
}
}
$compressed = (string) \gzcompress($predicted);
$dict =
'<< /Length '
. \strlen($compressed)
. ' /Filter /FlateDecode'
. ' /DecodeParms << /Predictor 12 /Colors '
. $colors
. ' /BitsPerComponent 8 /Columns '
. $columns
. ' >> >>';
$header = "%PDF-1.4\n";
$obj1 = "1 0 obj\n" . $dict . "\nstream\n" . $compressed . "\nendstream\nendobj\n";
$obj1Offset = \strlen($header);
$document = $header . $obj1;
$obj2Offset = \strlen($document);
$document .= "2 0 obj\n<< /Type /Catalog >>\nendobj\n";
$xrefOffset = \strlen($document);
$document .=
"xref\n0 3\n0000000000 65535 f \n"
. $this->xrefInUseEntry($obj1Offset)
. $this->xrefInUseEntry($obj2Offset)
. "trailer\n<< /Size 3 /Root 2 0 R >>\nstartxref\n"
. $xrefOffset
. "\n%%EOF";
$parser = new Parser();
[, $objects] = $parser->parse($document);
$decoded = null;
foreach ($objects['1_0'] ?? [] as $element) {
if ($element[0] !== 'stream' || !\array_key_exists(3, $element)) {
continue;
}
$decoded = $element[3][0];
}
$this->assertSame($rawFlat, $decoded);
}
/**
* F4: a TIFF Predictor 2 declared in DecodeParms of a regular FlateDecode stream
* must be reversed.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testTiffPredictorIsReversedForRegularFlateStream(): void
{
$colors = 1;
$columns = 4;
$rawRows = [
[5, 10, 3, 250],
[1, 2, 3, 4],
];
$rawFlat = '';
foreach ($rawRows as $row) {
$rawFlat .= \pack('C*', ...$row);
}
$predicted = '';
foreach ($rawRows as $row) {
// TIFF horizontal differencing: encoded = sample - sample-to-the-left
for ($i = 0; $i < $columns; ++$i) {
$left = $i >= $colors ? (int) ($row[$i - $colors] ?? 0) : 0;
$predicted .= \chr(((int) ($row[$i] ?? 0) - $left) & 0xff);
}
}
$compressed = (string) \gzcompress($predicted);
$dict =
'<< /Length '
. \strlen($compressed)
. ' /Filter /FlateDecode'
. ' /DecodeParms << /Predictor 2 /Colors '
. $colors
. ' /BitsPerComponent 8 /Columns '
. $columns
. ' >> >>';
$header = "%PDF-1.4\n";
$obj1 = "1 0 obj\n" . $dict . "\nstream\n" . $compressed . "\nendstream\nendobj\n";
$obj1Offset = \strlen($header);
$document = $header . $obj1;
$obj2Offset = \strlen($document);
$document .= "2 0 obj\n<< /Type /Catalog >>\nendobj\n";
$xrefOffset = \strlen($document);
$document .=
"xref\n0 3\n0000000000 65535 f \n"
. $this->xrefInUseEntry($obj1Offset)
. $this->xrefInUseEntry($obj2Offset)
. "trailer\n<< /Size 3 /Root 2 0 R >>\nstartxref\n"
. $xrefOffset
. "\n%%EOF";
$parser = new Parser();
[, $objects] = $parser->parse($document);
$decoded = null;
foreach ($objects['1_0'] ?? [] as $element) {
if ($element[0] !== 'stream' || !\array_key_exists(3, $element)) {
continue;
}
$decoded = $element[3][0];
}
$this->assertSame($rawFlat, $decoded);
}
/**
* F4: a cross-reference stream that uses a predictor must still be decoded
* correctly (the predictor must not be applied twice).
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testCrossReferenceStreamWithPredictorIsNotDoubleDecoded(): void
{
$width = [1, 2, 1];
$rowlen = \max(0, (int) \array_sum($width));
$header = "%PDF-1.4\n";
$obj1Offset = \strlen($header);
$document = $header . "1 0 obj\n<< /Type /Catalog >>\nendobj\n";
$xrefObjOffset = \strlen($document);
$entries = [
[0, 0, 0],
[1, $obj1Offset, 0],
[1, $xrefObjOffset, 0],
];
$predicted = '';
$prev = \array_fill(0, $rowlen, 0);
foreach ($entries as $entry) {
$row = $this->encodeXrefEntry($entry, $width);
$predicted .= \chr(2); // PNG Up filter
for ($i = 0; $i < $rowlen; ++$i) {
$predicted .= \chr(((int) ($row[$i] ?? 0) - (int) ($prev[$i] ?? 0)) & 0xff);
}
$prev = $row;
}
$compressed = (string) \gzcompress($predicted);
$dict =
'<< /Type /XRef /Size 3 /Root 1 0 R /W [1 2 1] /Filter /FlateDecode'
. ' /DecodeParms << /Predictor 12 /Columns '
. $rowlen
. ' >> /Length '
. \strlen($compressed)
. ' >>';
$document .= "2 0 obj\n" . $dict . "\nstream\n" . $compressed . "\nendstream\nendobj\n";
$document .= "startxref\n" . $xrefObjOffset . "\n%%EOF";
$parser = new Parser();
[$xref, $objects] = $parser->parse($document);
$this->assertSame($obj1Offset, $xref['xref']['1_0'] ?? null);
$this->assertSame($xrefObjOffset, $xref['xref']['2_0'] ?? null);
$this->assertSame('1_0', $xref['trailer']['root']);
$this->assertSame('<<', $objects['1_0'][0][0] ?? null);
}
/**
* F7: a trailer dictionary that contains a nested dictionary must be parsed
* without being truncated at the first ">>".
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testTrailerWithNestedDictionaryIsParsed(): void
{
$header = "%PDF-1.4\n";
$objOffset = \strlen($header);
$document = $header . "1 0 obj\n<< /Type /Catalog >>\nendobj\n";
$xrefOffset = \strlen($document);
$document .=
"xref\n0 2\n0000000000 65535 f \n"
. $this->xrefInUseEntry($objOffset)
. "trailer\n<< /Custom << /Nested 1 >> /Size 2 /Root 1 0 R >>\nstartxref\n"
. $xrefOffset
. "\n%%EOF";
$parser = new Parser();
[$xref] = $parser->parse($document);
$this->assertSame('1_0', $xref['trailer']['root']);
$this->assertSame(2, $xref['trailer']['size']);
}
/**
* Build a PDF whose object 1 stream contains a false "endstream" marker.
*
* @param string $lengthEntry The /Length entry value (a number or an "N 0 R" reference).
* @param string $payload The real stream payload.
*/
private function buildFalseEndstreamPdf(string $lengthEntry, string $payload): string
{
$length = \strlen($payload);
$header = "%PDF-1.4\n";
$obj1 = "1 0 obj\n<< /Length " . $lengthEntry . " >>\nstream\n" . $payload . "\nendstream\nendobj\n";
$obj1Offset = \strlen($header);
$document = $header . $obj1;
$obj2Offset = \strlen($document);
$document .= "2 0 obj\n<< /Type /Catalog >>\nendobj\n";
$obj5Offset = \strlen($document);
$document .= "5 0 obj\n" . $length . "\nendobj\n";
$xrefOffset = \strlen($document);
$document .=
"xref\n0 6\n0000000000 65535 f \n"
. $this->xrefInUseEntry($obj1Offset)
. $this->xrefInUseEntry($obj2Offset)
. "0000000000 00000 f \n"
. "0000000000 00000 f \n"
. $this->xrefInUseEntry($obj5Offset)
. "trailer\n<< /Size 6 /Root 2 0 R >>\nstartxref\n"
. $xrefOffset
. "\n%%EOF";
return $document;
}
/**
* Parse a PDF and return the raw payload of the stream in object "1_0".
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
private function extractStreamPayload(string $document): string
{
$parser = new Parser(['decode_streams' => false]);
[, $objects] = $parser->parse($document);
foreach ($objects['1_0'] ?? [] as $element) {
if ($element[0] === 'stream' && \is_string($element[1])) {
return $element[1];
}
}
return '';
}
/**
* Encode a single xref-stream entry into its byte values using the given field widths.
*
* @param array{0: int, 1: int, 2: int} $entry Entry values (type, field2, field3).
* @param array{0: int, 1: int, 2: int} $width Field widths in bytes.
*
* @return array<int, int> Byte values for the encoded row.
*/
private function encodeXrefEntry(array $entry, array $width): array
{
$bytes = [];
foreach ([0, 1, 2] as $field) {
$value = $entry[$field] ?? 0;
$fieldWidth = $width[$field] ?? 0;
for ($byte = $fieldWidth - 1; $byte >= 0; --$byte) {
$bytes[] = ($value >> ($byte * 8)) & 0xff;
}
}
return $bytes;
}
/**
* Build a classic in-use xref entry line for the given object offset.
*/
private function xrefInUseEntry(int $offset): string
{
return \sprintf("%010d 00000 n \n", $offset);
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/ParserHarness.php
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<?php
/**
* ParserHarness.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Parser;
/**
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
*/
class ParserHarness extends Parser
{
/**
* @var array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*/
private array $stubXrefData = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
/** @var array<int, array{0:string,1:int,2:bool}> */
private array $indirectCalls = [];
/** @var array<int, RawObjectArray> */
private array $stubIndirectReturn = [['null', 'null', 0]];
/** @var array<int, RawObjectArray> */
private array $rawObjectQueue = [];
private bool $useParentIndirect = false;
private bool $useParentRawObject = false;
/**
* @param array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* } $xref
*/
public function setStubXrefData(array $xref): void
{
$this->stubXrefData = $xref;
}
/** @return array<int, array{0:string,1:int,2:bool}> */
public function getIndirectCalls(): array
{
return $this->indirectCalls;
}
/**
* @param array<int, RawObjectArray> $obj
*/
public function setStubIndirectReturn(array $obj): void
{
$this->stubIndirectReturn = $obj;
}
/**
* @param array<int, RawObjectArray> $queue
*/
public function setRawObjectQueue(array $queue): void
{
$this->rawObjectQueue = $queue;
}
public function setPdfDataPublic(string $data): void
{
$this->pdfdata = $data;
}
public function getPdfDataPublic(): string
{
return $this->pdfdata;
}
/**
* @param array<string, array<int, RawObjectArray>> $objects
*/
public function setObjectsPublic(array $objects): void
{
$this->objects = $objects;
}
/**
* @param array<string, int|string> $xref
*/
public function setXrefMapPublic(array $xref): void
{
$this->xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => $xref,
];
}
/**
* @param RawObjectArray $obj
*
* @return RawObjectArray
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function getObjectValPublic(array $obj): array
{
return $this->getObjectVal($obj);
}
/**
* @param array<string> $filters
* @param array<int, RawObjectArray> $sdic
*
* @return array<string>
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function getFiltersPublic(array $filters, array $sdic, int $key): array
{
return $this->getFilters($filters, $sdic, $key);
}
/**
* @param array<int, RawObjectArray> $sdic
*
* @return array<string, mixed>
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function getDecodeParmsPublic(array $sdic, int $key): array
{
return $this->getDecodeParms($sdic, $key);
}
/**
* @param array<string> $filters
* @param array<string, mixed> $params
*
* @return array{0:string,1:array<string>}
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function getDecodedStreamPublic(array $filters, string $stream, array $params = []): array
{
return $this->getDecodedStream($filters, $stream, $params);
}
/**
* @param array<int, RawObjectArray> $sdic
*
* @return array{0:string,1:array<string>}
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function decodeStreamPublic(array $sdic, string $stream): array
{
return $this->decodeStream($sdic, $stream);
}
/**
* @return array<int, RawObjectArray>
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function getRawIndirectObjectPublic(int $offset, bool $decoding): array
{
return $this->getRawIndirectObject($offset, $decoding);
}
/**
* @return array<int, RawObjectArray>
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function callParentGetIndirectObject(string $obj_ref, int $offset = 0, bool $decoding = true): array
{
$this->useParentIndirect = true;
try {
return $this->getIndirectObject($obj_ref, $offset, $decoding);
} finally {
$this->useParentIndirect = false;
}
}
/**
* Test-only: bypass the queue override below and run the real inherited
* getRawObject against `$this->pdfdata`. Lets tests exercise the real
* processAngular / processBracket loops with arbitrary byte input.
*
* @return RawObjectArray
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function callParentGetRawObject(int $offset = 0): array
{
$this->useParentRawObject = true;
try {
return $this->getRawObject($offset);
} finally {
$this->useParentRawObject = false;
}
}
/**
* @param array{
* 'trailer'?: array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref'?: array<string, int|string>,
* } $xref
*
* @return array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*/
protected function getXrefData(int $offset = 0, array $xref = []): array
{
$unused = [$offset, $xref];
unset($unused);
return $this->stubXrefData;
}
/**
* @return array<int, RawObjectArray>
*/
protected function getIndirectObject(string $obj_ref, int $offset = 0, bool $decoding = true): array
{
if ($this->useParentIndirect) {
return parent::getIndirectObject($obj_ref, $offset, $decoding);
}
$this->indirectCalls[] = [$obj_ref, $offset, $decoding];
return $this->stubIndirectReturn;
}
/**
* @return RawObjectArray
*/
protected function getRawObject(int $offset = 0): array
{
if ($this->useParentRawObject) {
return parent::getRawObject($offset);
}
if (empty($this->rawObjectQueue)) {
return ['endobj', 'endobj', $offset];
}
return \array_shift($this->rawObjectQueue);
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/ParserProcessingTest.php
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<?php
/**
* ParserProcessingTest.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Exception as PPException;
/**
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
*/
class ParserProcessingTest extends TestCase
{
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseRejectsEmptyAndInvalidData(): void
{
$parser = new ParserHarness();
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Empty PDF data.');
$parser->parse('');
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseRejectsDataWithoutPdfHeader(): void
{
$parser = new ParserHarness();
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid PDF data: missing %PDF header.');
$parser->parse('not a pdf');
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseLoadsPositiveOffsetsOnlyAndClearsPdfData(): void
{
$parser = new ParserHarness();
$parser->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 3,
],
'xref' => [
'1_0' => 10,
'2_0' => 0,
'3_0' => -1,
],
]);
$parser->setStubIndirectReturn([['numeric', '42', 0]]);
$parsed = $parser->parse("junk%PDF-1.7\n");
$calls = $parser->getIndirectCalls();
$firstCall = $calls[0] ?? null;
$this->assertCount(1, $calls);
$this->assertSame(['1_0', 10, true], $firstCall);
$this->assertSame('', $parser->getPdfDataPublic());
$this->assertArrayHasKey('1_0', $parsed[1]);
$this->assertArrayNotHasKey('2_0', $parsed[1]);
$this->assertArrayNotHasKey('3_0', $parsed[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseUsesDecodeStreamsConfigForDirectObjects(): void
{
$parser = new ParserHarness();
$parser->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 2,
],
'xref' => [
'1_0' => 10,
],
]);
$parser->setStubIndirectReturn([['numeric', '42', 0]]);
$parser->parse("%PDF-1.7\n");
$calls = $parser->getIndirectCalls();
$this->assertSame(['1_0', 10, true], $calls[0] ?? null);
$lazy = new ParserHarness(['decode_streams' => false]);
$lazy->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 2,
],
'xref' => [
'1_0' => 10,
],
]);
$lazy->setStubIndirectReturn([['numeric', '42', 0]]);
$lazy->parse("%PDF-1.7\n");
$lazyCalls = $lazy->getIndirectCalls();
$this->assertSame(['1_0', 10, false], $lazyCalls[0] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentIndirectObjectRejectsInvalidReference(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic("%PDF-1.7\n1 0 obj\nendobj\n");
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid object reference:');
$parser->callParentGetIndirectObject('invalid', 0, true);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentIndirectObjectReturnsEmptyResultWhenTargetIsMissing(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic("%PDF-1.7\n");
$obj = $parser->callParentGetIndirectObject('1_0', 0, true);
$this->assertSame([], $obj);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testRawIndirectObjectDecodesStreamWhenDictionaryIsPresent(): void
{
$parser = new ParserHarness();
$parser->setRawObjectQueue([
['<<', [['/', 'Length', 0], ['numeric', '3', 0]], 5],
['stream', 'abcdef', 12],
['endobj', 'endobj', 18],
]);
$objdata = $parser->getRawIndirectObjectPublic(0, true);
$this->assertCount(2, $objdata);
$entry = $objdata[1] ?? null;
if (!\is_array($entry)) {
$this->fail('Missing decoded stream entry at index 1.');
}
$this->assertSame('stream', $entry[0]);
$this->assertSame('abcdef', $entry[1]);
$decoded = $entry[3] ?? null;
if (!\is_array($decoded)) {
$this->fail('Decoded stream payload not available.');
}
$this->assertSame('abc', $decoded[0]);
$this->assertSame([], $decoded[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetFiltersParsesSingleAndArraySyntax(): void
{
$parser = new ParserHarness();
$single = [
['/', 'Filter', 0],
['/', 'FlateDecode', 0],
];
$filters = $parser->getFiltersPublic([], $single, 0);
$this->assertSame(['FlateDecode'], $filters);
$list = [
['/', 'Filter', 0],
[
'[',
[
['/', 'FlateDecode', 0],
['numeric', '1', 0],
['/', 'ASCIIHexDecode', 0],
],
0,
],
];
$filters = $parser->getFiltersPublic([], $list, 0);
$this->assertSame(['FlateDecode', 'ASCIIHexDecode'], $filters);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValResolvesCachedAndMappedObjectReferences(): void
{
$parser = new ParserHarness();
$parser->setObjectsPublic([
'3_0' => [['string', 'cached', 0]],
]);
$cached = $parser->getObjectValPublic(['objref', '3_0', 0]);
$this->assertSame(['string', 'cached', 0], $cached);
$parser = new ParserHarness();
$parser->setXrefMapPublic(['4_0' => 99]);
$parser->setStubIndirectReturn([['string', 'loaded', 0]]);
$loaded = $parser->getObjectValPublic(['objref', '4_0', 0]);
$this->assertSame(['string', 'loaded', 0], $loaded);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetDecodedStreamTracksErrorsWhenConfiguredToIgnore(): void
{
$parser = new ParserHarness(['ignore_filter_errors' => true]);
$result = $parser->getDecodedStreamPublic(['UnknownFilter'], 'sample-data');
$this->assertSame('sample-data', $result[0]);
$this->assertSame(['UnknownFilter'], $result[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetDecodedStreamThrowsWhenFilterErrorsAreNotIgnored(): void
{
$parser = new ParserHarness();
$this->expectException(PPException::class);
$parser->getDecodedStreamPublic(['UnknownFilter'], 'sample-data');
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentIndirectObjectFindsObjectAfterOffsetShift(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic("%PDF-1.7\nX1 0 obj\nendobj\n");
$parser->setRawObjectQueue([
['numeric', '7', 16],
['endobj', 'endobj', 22],
]);
$obj = $parser->callParentGetIndirectObject('1_0', 9, true);
$this->assertSame([['numeric', '7', 16]], $obj);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetFiltersHandlesMissingAndInvalidArrayPayload(): void
{
$parser = new ParserHarness();
$filters = ['FlateDecode'];
$this->assertSame($filters, $parser->getFiltersPublic($filters, [['/', 'Filter', 0]], 0));
$invalid = [
['/', 'Filter', 0],
['[', 'invalid', 0],
];
$this->assertSame([], $parser->getFiltersPublic([], $invalid, 0));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetDecodeParmsHandlesDictionaryArrayAndMissingValues(): void
{
$parser = new ParserHarness();
$this->assertSame([], $parser->getDecodeParmsPublic([['/', 'DecodeParms', 0]], 0));
$dict = [
['/', 'DecodeParms', 0],
[
'<<',
[
['/', 'Columns', 0],
['numeric', '5', 0],
['/', 'EarlyChange', 0],
['true', 'true', 0],
['/', 'FilterName', 0],
['/', 'FlateDecode', 0],
['/', 'Text', 0],
['string', 'abc', 0],
['/', 'Ignored', 0],
['[', [], 0],
],
0,
],
];
$this->assertSame(
[
'Columns' => 5,
'EarlyChange' => true,
'FilterName' => 'FlateDecode',
'Text' => 'abc',
],
$parser->getDecodeParmsPublic($dict, 0),
);
$array = [
['/', 'DecodeParms', 0],
[
'[',
[
['null', 'null', 0],
[
'<<',
[
['/', 'Rows', 0],
['numeric', '2', 0],
['/', 'Enabled', 0],
['false', 'false', 0],
],
0,
],
],
0,
],
];
$this->assertSame(
[
'Rows' => 2,
'Enabled' => false,
],
$parser->getDecodeParmsPublic($array, 0),
);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeStreamHandlesEmptyStreamAndDecodeParmsExtraction(): void
{
$parser = new ParserHarness(['ignore_filter_errors' => true]);
$this->assertSame(['', []], $parser->decodeStreamPublic([], ''));
$sdic = [
['/', 'Filter', 0],
['/', 'UnknownFilter', 0],
['/', 'DecodeParms', 0],
[
'<<',
[
['/', 'Columns', 0],
['numeric', '3', 0],
['/', 'Predictor', 0],
['numeric', '12', 0],
],
0,
],
];
$result = $parser->decodeStreamPublic($sdic, 'abc');
$this->assertSame('abc', $result[0]);
$this->assertSame(['UnknownFilter'], $result[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentIndirectObjectReturnsNullObjectWhenSearchMissesTwice(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic("%PDF-1.7\nno objects\n");
$obj = $parser->callParentGetIndirectObject('1_0', 2, true);
$this->assertSame([['null', 'null', 3]], $obj);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetFiltersSkipsSlashEntriesWithNonStringNames(): void
{
$parser = new ParserHarness();
$sdic = [
['/', 'Filter', 0],
[
'[',
[
['/', [['numeric', '1', 0]], 0],
['/', 'FlateDecode', 0],
],
0,
],
];
$filters = $parser->getFiltersPublic([], $sdic, 0);
$this->assertSame(['FlateDecode'], $filters);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetDecodeParmsSkipsInvalidPairsAcrossLoopChecks(): void
{
$parser = new ParserHarness();
$sdic = [
['/', 'DecodeParms', 0],
[
'<<',
[
['numeric', '0', 0],
['numeric', '1', 0],
['/', 'MissingValue', 0],
['null', 'null', 0],
['/', 'Valid', 0],
['numeric', '7', 0],
['/', 'DanglingKey', 0],
],
0,
],
];
$params = $parser->getDecodeParmsPublic($sdic, 0);
$this->assertSame(['Valid' => 7], $params);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseResolvesCompressedObjectFromObjectStream(): void
{
$parser = new ParserHarness();
$parser->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 3,
],
'xref' => [
'1_0' => 10,
'2_0' => '1_0_0',
],
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 4, '2 0 (A)'));
$parsed = $parser->parse("%PDF-1.7\n");
$this->assertArrayHasKey('2_0', $parsed[1]);
$obj = $parsed[1]['2_0'] ?? null;
$this->assertIsArray($obj);
$this->assertNotEmpty($obj);
$this->assertCount(1, $parser->getIndirectCalls());
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseWithLazyStreamsReparsesObjectStreamForDecodedPayload(): void
{
$parser = new class(['decode_streams' => false]) extends ParserHarness {
/** @var array<int, array{0:string,1:int,2:bool}> */
private array $calls = [];
/**
* @return array<int, RawObjectArray>
*/
protected function getIndirectObject(string $obj_ref, int $offset = 0, bool $decoding = true): array
{
$this->calls[] = [$obj_ref, $offset, $decoding];
if ($obj_ref !== '1_0') {
return [['null', 'null', 0]];
}
if ($decoding) {
return [
[
'<<',
[
['/', 'Type', 0],
['/', 'ObjStm', 0],
['/', 'N', 0],
['numeric', '1', 0],
['/', 'First', 0],
['numeric', '4', 0],
],
0,
],
['stream', 'raw', 0, ['2 0 (A)', []]],
];
}
return [
[
'<<',
[
['/', 'Type', 0],
['/', 'ObjStm', 0],
['/', 'N', 0],
['numeric', '1', 0],
['/', 'First', 0],
['numeric', '4', 0],
],
0,
],
['stream', 'raw', 0],
];
}
/** @return array<int, array{0:string,1:int,2:bool}> */
public function getCalls(): array
{
return $this->calls;
}
};
$parser->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 3,
],
'xref' => [
'1_0' => 10,
'2_0' => '1_0_0',
],
]);
$parsed = $parser->parse("%PDF-1.7\n");
$this->assertArrayHasKey('2_0', $parsed[1]);
$calls = $parser->getCalls();
$this->assertSame(['1_0', 10, false], $calls[0] ?? null);
$this->assertSame(['1_0', 10, true], $calls[1] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseSkipsObjectAlreadyInjectedDuringIteration(): void
{
$parser = new class() extends ParserHarness {
protected function getIndirectObject(string $obj_ref, int $offset = 0, bool $decoding = true): array
{
$obj = parent::getIndirectObject($obj_ref, $offset, $decoding);
if ($obj_ref === '1_0') {
$this->objects['2_0'] = [['string', 'prefilled', 0]];
}
return $obj;
}
};
$parser->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 3,
],
'xref' => [
'1_0' => 10,
'2_0' => 20,
],
]);
$parser->setStubIndirectReturn([['numeric', '9', 0]]);
$parsed = $parser->parse("%PDF-1.7\n");
$calls = $parser->getIndirectCalls();
$this->assertCount(1, $calls);
$first = $calls[0] ?? null;
$this->assertIsArray($first);
$this->assertSame('1_0', $first[0]);
$this->assertSame('prefilled', $parsed[1]['2_0'][0][1] ?? '');
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseSkipsCompressedObjectWhenStreamEnvelopeIsInvalid(): void
{
$parser = new ParserHarness();
$parser->setStubXrefData([
'trailer' => [
'id' => [],
'info' => '',
'root' => '1_0',
'size' => 3,
],
'xref' => [
'1_0' => 10,
'2_0' => '1_0_0',
],
]);
$parser->setStubIndirectReturn([
['<<', [['/', 'N', 0], ['numeric', '1', 0], ['/', 'First', 0], ['numeric', '4', 0]], 0],
['stream', 'raw', 0],
]);
$parsed = $parser->parse("%PDF-1.7\n");
$this->assertArrayNotHasKey('2_0', $parsed[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValReturnsOriginalWhenCompressedLookupFails(): void
{
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 0,
]);
$obj = ['objref', '2_0', 0];
$result = $parser->getObjectValPublic($obj);
$this->assertSame($obj, $result);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValReturnsOriginalForNonPositiveOffsetAndInvalidLocator(): void
{
$parser = new ParserHarness();
$parser->setXrefMapPublic(['2_0' => 0]);
$obj = ['objref', '2_0', 0];
$this->assertSame($obj, $parser->getObjectValPublic($obj));
$parser = new ParserHarness();
$parser->setXrefMapPublic(['2_0' => 'bad_locator']);
$this->assertSame($obj, $parser->getObjectValPublic($obj));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValReturnsOriginalWhenCachedObjectStreamNeedsMissingReparseOffset(): void
{
$parser = new ParserHarness();
$parser->setObjectsPublic([
'1_0' => [
[
'<<',
[
['/', 'Type', 0],
['/', 'ObjStm', 0],
['/', 'N', 0],
['numeric', '1', 0],
['/', 'First', 0],
['numeric', '4', 0],
],
0,
],
['stream', 'raw', 0],
],
]);
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
]);
$obj = ['objref', '2_0', 0];
$this->assertSame($obj, $parser->getObjectValPublic($obj));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValReturnsOriginalWhenIndirectObjectParsesEmpty(): void
{
$parser = new ParserHarness();
$parser->setXrefMapPublic(['2_0' => 10]);
$parser->setStubIndirectReturn([]);
$obj = ['objref', '2_0', 0];
$this->assertSame($obj, $parser->getObjectValPublic($obj));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValReturnsFirstElementForResolvedCompressedObject(): void
{
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 4, '2 0 (A)'));
$resolved = $parser->getObjectValPublic(['objref', '2_0', 0]);
$this->assertNotSame('objref', $resolved[0]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetObjectValHandlesObjectStreamIndexAndBodyValidation(): void
{
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 4, 'x y (A)'));
$obj = ['objref', '2_0', 0];
$this->assertSame($obj, $parser->getObjectValPublic($obj));
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 4, '0 0 ()'));
$this->assertSame($obj, $parser->getObjectValPublic($obj));
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(0, 4, '2 0 (A)'));
$this->assertSame($obj, $parser->getObjectValPublic($obj));
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 0, ''));
$this->assertSame($obj, $parser->getObjectValPublic($obj));
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 6, '2 -10 '));
$this->assertSame($obj, $parser->getObjectValPublic($obj));
$parser = new ParserHarness();
$parser->setXrefMapPublic([
'2_0' => '1_0_0',
'1_0' => 12,
]);
$parser->setStubIndirectReturn($this->buildObjectStreamObject(1, 4, '2 0 '));
$this->assertSame($obj, $parser->getObjectValPublic($obj));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetDecodeParmsHandlesSparseDictionaryIndexes(): void
{
$parser = new ParserHarness();
$sdic = [
['/', 'DecodeParms', 0],
[
'<<',
[
2 => ['/', 'Columns', 0],
3 => ['numeric', '5', 0],
],
0,
],
];
$this->assertSame([], $parser->getDecodeParmsPublic($sdic, 0));
}
/**
* @return array<int, RawObjectArray>
*/
private function buildObjectStreamObject(int $n, int $first, string $decodedData): array
{
return [
[
'<<',
[
['/', 'Type', 0],
['/', 'ObjStm', 0],
['/', 'N', 0],
['numeric', (string) $n, 0],
['/', 'First', 0],
['numeric', (string) $first, 0],
],
0,
],
['stream', 'raw', 0, [$decodedData, []]],
];
}
/**
* Regression: processAngular() must bail out when getRawObject() fails
* to advance $offset, rather than spinning forever and exhausting PHP
* memory. Without the guard, the inner do-while loop accumulates
* identical zero-length tokens at the same offset until OOM.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessAngularBailsOnNonAdvancingByte(): void
{
// `<<` then `~` — a byte that processDefault() cannot consume — and
// no `>>` terminator. Before the fix this hangs / OOMs in
// RawObject::processAngular() at the inner do-while loop.
$parser = new ParserHarness();
$parser->setPdfDataPublic('<<~');
$element = $parser->callParentGetRawObject(0);
$this->assertIsArray($element);
$this->assertSame('<<', $element[0]);
$this->assertIsArray($element[1]);
// The non-advancing guard must short-circuit within a single
// iteration; the trailing array_pop then leaves $objval empty.
$this->assertLessThan(5, \count($element[1]));
}
/**
* Regression: processBracket() must bail out on a non-advancing parse,
* for the same reasons as the dictionary loop above.
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessBracketBailsOnNonAdvancingByte(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic('[~');
$element = $parser->callParentGetRawObject(0);
$this->assertIsArray($element);
$this->assertSame('[', $element[0]);
$this->assertIsArray($element[1]);
$this->assertLessThan(5, \count($element[1]));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentRawObjectParsesBooleanKeywords(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic('true false');
$first = $parser->callParentGetRawObject(0);
$second = $parser->callParentGetRawObject(5);
$this->assertSame('boolean', $first[0]);
$this->assertSame('true', $first[1]);
$this->assertSame('boolean', $second[0]);
$this->assertSame('false', $second[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentRawObjectParsesNestedParentheses(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic('((ab))');
$element = $parser->callParentGetRawObject(0);
$this->assertSame('(', $element[0]);
$this->assertSame('(ab)', $element[1]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParentRawObjectParsesHexStringAndMalformedHexFallback(): void
{
$parser = new ParserHarness();
$parser->setPdfDataPublic('< 4A 4B >');
$hex = $parser->callParentGetRawObject(0);
$this->assertSame('<', $hex[0]);
$this->assertSame(' 4A 4B ', $hex[1]);
$parser = new ParserHarness();
$parser->setPdfDataPublic('<GG>');
$fallback = $parser->callParentGetRawObject(0);
$this->assertSame('<', $fallback[0]);
$this->assertSame('', $fallback[1]);
$this->assertSame(4, $fallback[2]);
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/ParserTest.php
Vendored
+138
View File
@@ -0,0 +1,138 @@
<?php
/**
* ParserTest.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Parser;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
/**
* Filter Test
*
* @since 2011-05-23
* @category Library
* @package PdfParser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*/
class ParserTest extends TestCase
{
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
#[DataProvider('getParseProvider')]
public function testParse(string $filename, string $hash): void
{
$cfg = [
'ignore_filter_errors' => true,
];
$rawdata = \file_get_contents($filename);
$this->assertNotFalse($rawdata);
$parser = new Parser($cfg);
$data = $parser->parse($rawdata);
$this->assertEquals($hash, \md5(\serialize($data)));
}
/**
* @return array<int, array{0:string, 1:string}>
*/
public static function getParseProvider(): array
{
return [
['resources/test/example_005.pdf', '510a5ea860470dae0781f4bd8d5eb250'],
['resources/test/example_036.pdf', '2869501cf41a4c4a0402c00832329e25'],
['resources/test/example_046.pdf', 'cfaee514b9c09aa282b4e2a8f0061a3d'],
];
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseHandlesMultiRangeXrefIndexRegression(): void
{
$parser = new Parser(['ignore_filter_errors' => true]);
$data = $parser->parse($this->buildMultiRangeXrefIndexPdf());
$xref = $data[0];
$objects = $data[1];
$this->assertSame('41_0', $xref['trailer']['root']);
$this->assertArrayNotHasKey('encrypt', $xref['trailer']);
$this->assertNotNull($objects['41_0'][0] ?? null);
$this->assertSame('<<', $objects['41_0'][0][0]);
$this->assertNotNull($objects['42_0'][0] ?? null);
$this->assertSame('<<', $objects['42_0'][0][0]);
$this->assertNotNull($objects['43_0'][0] ?? null);
$this->assertSame('<<', $objects['43_0'][0][0]);
$this->assertSame('7aa83a972ca79bafe26be3620b7512e2', \md5(\serialize($data)));
}
private function buildMultiRangeXrefIndexPdf(): string
{
$pdf = "%PDF-1.7\n";
$offsets = [];
$addObject = static function (string &$pdfData, array &$objOffsets, int $objNum, string $body): void {
$objOffsets[$objNum] = \strlen($pdfData);
$pdfData .= $objNum . " 0 obj\n" . $body . "\nendobj\n";
};
$addObject($pdf, $offsets, 3, '<< /Dummy 3 >>');
$addObject($pdf, $offsets, 15, '<< /Dummy 15 >>');
$addObject($pdf, $offsets, 17, '<< /Dummy 17 >>');
$addObject($pdf, $offsets, 18, '<< /Dummy 18 >>');
$addObject($pdf, $offsets, 41, '<< /Type /Catalog /Pages 42 0 R >>');
$addObject($pdf, $offsets, 42, '<< /Type /Pages /Count 1 /Kids [43 0 R] >>');
$addObject($pdf, $offsets, 43, '<< /Type /Page /Parent 42 0 R /MediaBox [0 0 10 10] >>');
$indexObjects = [3, 15, 17, 18, 41, 42, 43];
$bytes = [];
foreach ($indexObjects as $objNum) {
$offset = (int) ($offsets[$objNum] ?? 0);
$bytes[] = 0;
$bytes[] = 1;
$bytes[] = ($offset >> 16) & 0xff;
$bytes[] = ($offset >> 8) & 0xff;
$bytes[] = $offset & 0xff;
}
$stream = \pack('C*', ...$bytes);
$streamLen = \strlen($stream);
$xrefBody =
'<< /Type /XRef'
. ' /Size 60'
. ' /Root 41 0 R'
. ' /Index [3 1 15 1 17 2 41 3]'
. ' /W [1 3 0]'
. ' /Length '
. $streamLen
. ' /DecodeParms << /Columns 4 /Predictor 12 >>'
. " >>\nstream\n"
. $stream
. "\nendstream";
$addObject($pdf, $offsets, 50, $xrefBody);
$startxref = (int) ($offsets[50] ?? 0);
$pdf .= "startxref\n" . $startxref . "\n%%EOF";
return $pdf;
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/TestCase.php
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<?php
/**
* TestCase.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use PHPUnit\Framework\TestCase as FrameworkTestCase;
/**
* Base test case with cross-version helpers.
*/
abstract class TestCase extends FrameworkTestCase
{
/**
* Assert that the expected exception message contains the given substring.
*
* Uses expectExceptionMessageMatches(), the only message assertion that is
* available and not deprecated across PHPUnit 11.5, 12.5 and 13.2 (PHP 8.2+).
* The deprecated expectExceptionMessage() and the 13.2-only
* expectExceptionMessageIsOrContains() are intentionally avoided.
*
* @param string $message Substring expected within the exception message.
*/
protected function expectExceptionMessageContains(string $message): void
{
$this->expectExceptionMessageMatches('/' . preg_quote($message, '/') . '/');
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/XrefHarness.php
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<?php
/**
* XrefHarness.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Process\Xref;
/**
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
*/
class XrefHarness extends Xref
{
/** @var array<int, RawObjectArray> */
private array $stubIndirectObject = [];
/** @var RawObjectArray|null */
private ?array $stubRawObject = null;
public function setPdfDataPublic(string $pdfdata): void
{
$this->pdfdata = $pdfdata;
}
/**
* @param array<int, RawObjectArray> $indirectObject
*/
public function setStubIndirectObject(array $indirectObject): void
{
$this->stubIndirectObject = $indirectObject;
}
/**
* @param RawObjectArray $rawObject
*/
public function setStubRawObject(array $rawObject): void
{
$this->stubRawObject = $rawObject;
}
/**
* @param array{
* 'trailer'?: array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref'?: array<string, int|string>,
* } $xref
*
* @return array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function getXrefDataPublic(int $offset = 0, array $xref = []): array
{
return $this->getXrefData($offset, $xref);
}
/**
* @param array{
* 'trailer'?: array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* } $xref
*
* @return array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function decodeXrefPublic(int $startxref, array $xref): array
{
return $this->decodeXref($startxref, $xref);
}
/**
* @param array{
* 'trailer'?: array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* } $xref
*
* @return array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* }
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function decodeXrefStreamPublic(int $startxref, array $xref): array
{
return $this->decodeXrefStream($startxref, $xref);
}
/**
* @param array<int, array<int, int>> $sdata
* @param array<int, array<int, int>> $ddata
* @param array<int, int> $wbt
*/
public function processDdataPublic(array &$sdata, array $ddata, array $wbt): void
{
$this->processDdata($sdata, $ddata, $wbt);
}
/**
* @return array<int, RawObjectArray>
*/
protected function getIndirectObject(string $obj_ref, int $offset = 0, bool $decoding = true): array
{
$unused = [$obj_ref, $offset, $decoding];
unset($unused);
return $this->stubIndirectObject;
}
/**
* @return RawObjectArray
*/
protected function getRawObject(int $offset = 0): array
{
if ($this->stubRawObject !== null) {
return $this->stubRawObject;
}
return parent::getRawObject($offset);
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/XrefStreamHarness.php
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<?php
/**
* XrefStreamHarness.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Process\XrefStream;
/**
* @phpstan-import-type RawObjectArray from \Com\Tecnick\Pdf\Parser\Process\RawObject
*/
class XrefStreamHarness extends XrefStream
{
/**
* @param array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* } $xref
* @param array<int, array<int, int>> $sdata
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function processObjIndexesPublic(array &$xref, int &$obj_num, array $sdata): void
{
$this->processObjIndexes($xref, $obj_num, $sdata);
}
/**
* @param array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* } $xref
* @param array<int, int> $objNumbers
* @param array<int, array<int, int>> $sdata
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function processObjIndexesMapPublic(array &$xref, array $objNumbers, array $sdata): void
{
$this->processObjIndexesMap($xref, $objNumbers, $sdata);
}
/**
* @param array{
* 'trailer': array{
* 'encrypt'?: string,
* 'id': array<int, string>,
* 'info': string,
* 'root': string,
* 'size': int,
* },
* 'xref': array<string, int|string>,
* } $xref
* @param array<int, int> $sdatum
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function processSingleObjIndexPublic(array &$xref, int $objNum, array $sdatum): void
{
$this->processSingleObjIndex($xref, $objNum, $sdatum);
}
/**
* @param RawObjectArray|null $indexObj
*
* @return array<int, array{0:int, 1:int}>|null
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function parseXrefIndexSectionsPublic(?array $indexObj): ?array
{
return $this->parseXrefIndexSections($indexObj);
}
/**
* @param array<int, array{0:int, 1:int}> $indexSections
*
* @return array<int, int>
*/
public function buildXrefObjectNumbersPublic(array $indexSections): array
{
return $this->buildXrefObjectNumbers($indexSections);
}
/**
* @param array<int, array<int, int>> $sdata
* @param array<int, array<int, int>> $ddata
* @param array<int, int> $prev_row
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function pngUnpredictorPublic(array $sdata, array &$ddata, int $columns, array $prev_row): void
{
$this->pngUnpredictor($sdata, $ddata, $columns, $prev_row);
}
/**
* @param array<int, array<int, int>> $ddata
* @param array{0:int, 1:int, 2:int} $rows
*/
public function minDistancePublic(array &$ddata, int $key, int $row_value, int $jdx, array $rows): void
{
$this->minDistance($ddata, $key, $row_value, $jdx, $rows);
}
/** @param RawObjectArray|null $next */
public function processXrefPrevPublic(?array $next, ?int &$prevxref): void
{
$this->processXrefPrev($next, $prevxref);
}
/** @param RawObjectArray|null $next */
public function processXrefDecodeParmsPublic(?array $next, int &$columns, int &$predictor): void
{
$this->processXrefDecodeParms($next, $columns, $predictor);
}
/**
* @param array<int, RawObjectArray> $sarr
* @param array{
* trailer: array{encrypt?: string, id: array<int, string>, info: string, root: string, size: int},
* xref: array<string, int|string>,
* } $xref
*/
public function processXrefTypeFtPublic(string $type, array $sarr, int $key, array &$xref, bool $filltrailer): void
{
$this->processXrefTypeFt($type, $sarr, $key, $xref, $filltrailer);
}
/**
* @param array<int, RawObjectArray> $sarr
* @param array{
* trailer: array{encrypt?: string, id: array<int, string>, info: string, root: string, size: int},
* xref: array<string, int|string>,
* } $xref
*
* @return array{
* trailer: array{encrypt?: string, id: array<int, string>, info: string, root: string, size: int},
* xref: array<string, int|string>,
* }
*/
public function processXrefObjrefPublic(string $type, array $sarr, int $key, array $xref): array
{
return $this->processXrefObjref($type, $sarr, $key, $xref);
}
/**
* @param array<int, RawObjectArray> $sarr
* @param array{
* trailer: array{encrypt?: string, id: array<int, string>, info: string, root: string, size: int},
* xref: array<string, int|string>,
* } $xref
* @param array<int, int> $wbt
* @param array{
* index_sections: array<int, array{0:int, 1:int}>|null,
* prevxref: int|null,
* predictor: int,
* columns: int,
* size: int|null,
* valid_crs: bool
* } $state
*
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function processXrefTypePublic(
array $sarr,
array &$xref,
array &$wbt,
array &$state,
bool $filltrailer,
): void {
$this->processXrefType($sarr, $xref, $wbt, $state, $filltrailer);
}
}
vendor/tecnickcom/tc-lib-pdf-parser/test/XrefTest.php
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<?php
/**
* XrefTest.php
*
* @since 2011-05-23
* @category Library
* @package Pdfparser
* @author Nicola Asuni <info@tecnick.com>
* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
* @link https://github.com/tecnickcom/tc-lib-pdf-parser
*
* This file is part of tc-lib-pdf-parser software library.
*/
namespace Test;
use Com\Tecnick\Pdf\Parser\Exception as PPException;
class XrefTest extends TestCase
{
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessObjIndexesHandlesInUseAndCompressedObjects(): void
{
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
$obj_num = 3;
$sdata = [
[1, 42, 0],
[2, 7, 4],
[0, 0, 0],
];
$parser = new XrefStreamHarness();
$parser->processObjIndexesPublic($xref, $obj_num, $sdata);
$this->assertSame(6, $obj_num);
$this->assertSame(42, $xref['xref']['3_0'] ?? null);
$this->assertSame('7_0_4', $xref['xref']['4_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testPngUnpredictorDecodesAndRejectsUnknownPredictor(): void
{
$parser = new XrefStreamHarness();
$decoded = [];
$parser->pngUnpredictorPublic([[0, 10]], $decoded, 1, [0]);
if (!isset($decoded[0][0])) {
$this->fail('Decoded first row value is missing.');
}
$this->assertSame(10, $decoded[0][0]);
$decoded = [];
$parser->pngUnpredictorPublic([[1, 5]], $decoded, 1, [0]);
if (!isset($decoded[0][0])) {
$this->fail('Decoded first row value is missing.');
}
$this->assertSame(5, $decoded[0][0]);
$decoded = [];
$parser->pngUnpredictorPublic([[2, 3]], $decoded, 1, [4]);
if (!isset($decoded[0][0])) {
$this->fail('Decoded first row value is missing.');
}
$this->assertSame(7, $decoded[0][0]);
$decoded = [];
$parser->pngUnpredictorPublic([[4, 8]], $decoded, 1, [1]);
if (!isset($decoded[0][0])) {
$this->fail('Decoded first row value is missing.');
}
$this->assertSame(9, $decoded[0][0]);
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Unknown PNG predictor');
$decoded = [];
$parser->pngUnpredictorPublic([[9, 1]], $decoded, 1, [0]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefParsesEntriesAndTrailer(): void
{
$pdf =
"xref\r\n"
. "0 2\r\n"
. "0000000000 65535 f\r\n"
. "0000000017 00000 n\r\n"
. "trailer << /Size 2 /Root 1 0 R /Info 2 0 R /Encrypt 3 0 R /ID [<AA><BB>] >>\r\n";
$parser = new XrefHarness();
$parser->setPdfDataPublic($pdf);
$xref = $parser->decodeXrefPublic(0, ['xref' => []]);
$this->assertSame(17, $xref['xref']['1_0'] ?? null);
$this->assertSame(2, $xref['trailer']['size']);
$this->assertSame('1_0', $xref['trailer']['root']);
$this->assertSame('2_0', $xref['trailer']['info']);
$this->assertSame('3_0', $xref['trailer']['encrypt'] ?? null);
$this->assertSame(['AA', 'BB'], $xref['trailer']['id']);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefLeavesEncryptUnsetWhenMissing(): void
{
$pdf =
"xref\r\n"
. "0 1\r\n"
. "0000000017 00000 n\r\n"
. "trailer << /Size 1 /Root 1 0 R /Info 2 0 R /ID [<AA><BB>] >>\r\n";
$parser = new XrefHarness();
$parser->setPdfDataPublic($pdf);
$xref = $parser->decodeXrefPublic(0, ['xref' => []]);
$this->assertArrayNotHasKey('encrypt', $xref['trailer']);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamParsesRowsAndTrailer(): void
{
$stream_data = \pack('C*', 0, 1, 10, 0, 0, 2, 5, 1);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '1', 0], ['numeric', '1', 0]], 0],
['/', 'Index', 0],
['[', [['numeric', '0', 0], ['numeric', '2', 0]], 0],
['/', 'Size', 0],
['numeric', '2', 0],
['/', 'Root', 0],
['objref', '1_0', 0],
['/', 'ID', 0],
['[', [['hex', 'AA', 0], ['hex', 'BB', 0]], 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '3', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->decodeXrefStreamPublic(100, ['xref' => []]);
$this->assertSame(10, $xref['xref']['0_0'] ?? null);
$this->assertSame('5_0_1', $xref['xref']['1_0'] ?? null);
$this->assertSame('1_0', $xref['trailer']['root']);
$this->assertSame(2, $xref['trailer']['size']);
$this->assertSame(['AA', 'BB'], $xref['trailer']['id']);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamMapsMultiRangeIndexSections(): void
{
$stream_data = \pack(
'C*',
0,
1,
0,
0,
30,
0,
1,
0,
0,
31,
0,
1,
0,
0,
32,
0,
1,
0,
0,
33,
0,
1,
0,
0,
34,
0,
1,
0,
0,
35,
0,
1,
0,
0,
36,
);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '3', 0], ['numeric', '0', 0]], 0],
['/', 'Index', 0],
[
'[',
[
['numeric', '3', 0],
['numeric', '1', 0],
['numeric', '15', 0],
['numeric', '1', 0],
['numeric', '17', 0],
['numeric', '2', 0],
['numeric', '41', 0],
['numeric', '3', 0],
],
0,
],
['/', 'Size', 0],
['numeric', '44', 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '4', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->decodeXrefStreamPublic(100, ['xref' => []]);
$this->assertSame(30, $xref['xref']['3_0'] ?? null);
$this->assertSame(31, $xref['xref']['15_0'] ?? null);
$this->assertSame(32, $xref['xref']['17_0'] ?? null);
$this->assertSame(33, $xref['xref']['18_0'] ?? null);
$this->assertSame(34, $xref['xref']['41_0'] ?? null);
$this->assertSame(35, $xref['xref']['42_0'] ?? null);
$this->assertSame(36, $xref['xref']['43_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamFallsBackToSizeWhenIndexIsMissing(): void
{
$stream_data = \pack('C*', 0, 1, 0, 0, 20, 0, 1, 0, 0, 21);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '3', 0], ['numeric', '0', 0]], 0],
['/', 'Size', 0],
['numeric', '2', 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '4', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->decodeXrefStreamPublic(100, ['xref' => []]);
$this->assertSame(20, $xref['xref']['0_0'] ?? null);
$this->assertSame(21, $xref['xref']['1_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamRejectsOddIndexArrayLength(): void
{
$stream_data = \pack('C*', 0, 1, 0, 0, 20);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '3', 0], ['numeric', '0', 0]], 0],
['/', 'Index', 0],
['[', [['numeric', '3', 0], ['numeric', '1', 0], ['numeric', '15', 0]], 0],
['/', 'Size', 0],
['numeric', '16', 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '4', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid xref stream Index array: expected even number of values');
$parser->decodeXrefStreamPublic(100, ['xref' => []]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamRejectsRowCountMismatchAgainstIndexCoverage(): void
{
$stream_data = \pack('C*', 0, 1, 0, 0, 20, 0, 1, 0, 0, 21);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '3', 0], ['numeric', '0', 0]], 0],
['/', 'Index', 0],
['[', [['numeric', '3', 0], ['numeric', '3', 0]], 0],
['/', 'Size', 0],
['numeric', '20', 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '4', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid xref stream row count: expected 3 rows from Index, got 2');
$parser->decodeXrefStreamPublic(100, ['xref' => []]);
}
public function testProcessDdataUsesDefaultTypeWhenFirstFieldWidthIsZero(): void
{
$parser = new XrefHarness();
$sdata = [];
$parser->processDdataPublic($sdata, [[9, 3]], [0, 1, 1]);
$this->assertSame([1, 9, 3], $sdata[0] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetXrefDataThrowsWhenStartxrefIsMissing(): void
{
$parser = new XrefHarness();
$parser->setPdfDataPublic("%PDF-1.7\nNo xref markers here");
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Unable to find startxref (1)');
$parser->getXrefDataPublic();
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessObjIndexesIgnoresUnknownEntryTypes(): void
{
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
$obj_num = 9;
$parser = new XrefStreamHarness();
$parser->processObjIndexesPublic($xref, $obj_num, [[9, 1, 2]]);
$this->assertSame(10, $obj_num);
$this->assertSame([], $xref['xref']);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testPngUnpredictorCoversAveragePredictor(): void
{
$parser = new XrefStreamHarness();
$decoded = [];
$parser->pngUnpredictorPublic([[3, 4]], $decoded, 1, [2]);
if (!isset($decoded[0][0])) {
$this->fail('Decoded first row value is missing.');
}
$this->assertSame(5, $decoded[0][0]);
}
public function testMinDistanceCoversAllOutcomeBranches(): void
{
$parser = new XrefStreamHarness();
$ddata = [[0]];
$parser->minDistancePublic($ddata, 0, 5, 0, [7, 2, 0]);
$this->assertSame(12, $ddata[0][0] ?? null);
$parser->minDistancePublic($ddata, 0, 5, 0, [10, 3, 9]);
$this->assertSame(8, $ddata[0][0] ?? null);
$parser->minDistancePublic($ddata, 0, 5, 0, [0, 10, 4]);
$this->assertSame(9, $ddata[0][0] ?? null);
}
public function testProcessXrefPrevAndDecodeParmsHandleInvalidInput(): void
{
$parser = new XrefStreamHarness();
$prevxref = null;
$parser->processXrefPrevPublic(['name', 'x', 0], $prevxref);
$this->assertNull($prevxref);
$parser->processXrefPrevPublic(['numeric', '17', 0], $prevxref);
$this->assertSame(17, $prevxref);
$columns = 9;
$predictor = 3;
$parser->processXrefDecodeParmsPublic(['name', 'x', 0], $columns, $predictor);
$this->assertSame(9, $columns);
$this->assertSame(3, $predictor);
$parser->processXrefDecodeParmsPublic(
['<<', [['/', 'Columns', 0], ['numeric', '-5', 0], ['/', 'Predictor', 0], ['numeric', '12', 0]], 0],
$columns,
$predictor,
);
$this->assertSame(0, $columns);
$this->assertSame(12, $predictor);
}
public function testProcessXrefTypeFtAndObjrefCoverTrailerBranches(): void
{
$parser = new XrefStreamHarness();
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
$sarr = [
['/', 'Root', 0],
['objref', '1_0', 0],
['/', 'Info', 0],
['objref', '2_0', 0],
['/', 'Encrypt', 0],
['objref', '3_0', 0],
['/', 'Size', 0],
['numeric', '4', 0],
['/', 'ID', 0],
['[', [['hex', 'AA', 0], ['hex', 'BB', 0]], 0],
['/', 'ID', 0],
['[', [['hex', '', 0], ['hex', 'BB', 0]], 0],
];
$parser->processXrefTypeFtPublic('Root', $sarr, 0, $xref, true);
$parser->processXrefTypeFtPublic('Info', $sarr, 2, $xref, true);
$parser->processXrefTypeFtPublic('Encrypt', $sarr, 4, $xref, true);
$parser->processXrefTypeFtPublic('Size', $sarr, 6, $xref, true);
$parser->processXrefTypeFtPublic('ID', $sarr, 8, $xref, true);
$parser->processXrefTypeFtPublic('ID', $sarr, 10, $xref, true);
$this->assertSame('1_0', $xref['trailer']['root']);
$this->assertSame('2_0', $xref['trailer']['info']);
$this->assertSame('3_0', $xref['trailer']['encrypt'] ?? null);
$this->assertSame(4, $xref['trailer']['size']);
$this->assertSame(['AA', 'BB'], $xref['trailer']['id']);
$before = $xref;
$parser->processXrefTypeFtPublic('Size', $sarr, 6, $xref, false);
$this->assertSame($before, $xref);
$objref = $parser->processXrefObjrefPublic('Root', [['/', 'Root', 0], ['name', 'x', 0]], 0, $xref);
$this->assertSame($xref, $objref);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefThrowsWhenTrailerIsMissing(): void
{
$parser = new XrefHarness();
$parser->setPdfDataPublic("xref\r\n0 1\r\n0000000000 65535 f\r\n");
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Unable to find trailer');
$parser->decodeXrefPublic(0, ['xref' => []]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetXrefDataDetectsRepeatedOffsetLoop(): void
{
$parser = new XrefHarness();
$parser->setPdfDataPublic("%PDF-1.7\ninvalid\n");
try {
$parser->getXrefDataPublic(5, ['xref' => []]);
} catch (PPException $exception) {
$this->assertContains($exception->getMessage(), [
'Unable to find startxref (3)',
'Unable to find xref (4)',
]);
}
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('LOOP: this XRef offset has been already processed');
$parser->getXrefDataPublic(5, ['xref' => []]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetXrefDataFindsObjectStreamStartxrefFromOffset(): void
{
$stream_data = \pack('C*', 0, 1, 9, 0);
$parser = new XrefHarness();
$parser->setPdfDataPublic('AAAAA12 0 obj .... xref');
$parser->setStubRawObject(['objref', '12_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '1', 0], ['numeric', '1', 0]], 0],
['/', 'Index', 0],
['[', [['numeric', '0', 0], ['numeric', '1', 0]], 0],
['/', 'Size', 0],
['numeric', '1', 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '3', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->getXrefDataPublic(5, ['xref' => []]);
$this->assertSame(9, $xref['xref']['0_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetXrefDataFindsStartxrefMarkerWhenOffsetIsNonZero(): void
{
$body = 'xxxxxxxxxxxxxxxxxxxx';
$pdf =
$body
. "xref\r\n"
. "0 1\r\n"
. "0000000001 00000 n\r\n"
. "trailer << /Size 1 >>\r\n"
. "startxref\n20\n%%EOF";
$parser = new XrefHarness();
$parser->setPdfDataPublic($pdf);
$start = (int) \strpos($pdf, 'startxref');
$xref = $parser->getXrefDataPublic($start - 1, ['xref' => []]);
$this->assertSame(1, $xref['xref']['0_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testGetXrefDataThrowsStartxref3ForNonZeroOffsetWithoutMarkers(): void
{
$parser = new XrefHarness();
$parser->setPdfDataPublic('%PDF-1.7\nbody without xref hints');
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Unable to find startxref (3)');
$parser->getXrefDataPublic(5, ['xref' => []]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefCallsGetXrefDataWhenTrailerContainsPrev(): void
{
$parser = new class() extends XrefHarness {
public int $capturedOffset = -1;
protected function getXrefData(int $offset = 0, array $xref = []): array
{
$this->capturedOffset = $offset;
$xref['xref']['prev_0'] = $offset;
return [
'trailer' => $xref['trailer'] ?? ['id' => [], 'info' => '', 'root' => '', 'size' => 0],
'xref' => $xref['xref'],
];
}
};
$parser->setPdfDataPublic("xref\r\n0 1\r\n0000000001 00000 n\r\ntrailer << /Size 1 /Prev 11 >>\r\n");
$xref = $parser->decodeXrefPublic(0, ['xref' => []]);
$this->assertSame(11, $parser->capturedOffset);
$this->assertSame(11, $xref['xref']['prev_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamThrowsWhenRawObjectValueIsNotString(): void
{
$parser = new XrefHarness();
$parser->setStubRawObject(['numeric', [], 0]);
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Unable to find xref stream');
$parser->decodeXrefStreamPublic(0, ['xref' => []]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamHandlesNonArrayDictionaryPayload(): void
{
$stream_data = \pack('C*', 0, 1, 9, 0);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '1_0', 0]);
$parser->setStubIndirectObject([
['<<', 'not-array', 0],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->decodeXrefStreamPublic(0, ['xref' => ['9_0' => 99]]);
$this->assertSame(99, $xref['xref']['9_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamCallsGetXrefDataWhenPrevIsPresent(): void
{
$stream_data = \pack('C*', 0, 1, 9, 0);
$parser = new class() extends XrefHarness {
public int $capturedOffset = -1;
protected function getXrefData(int $offset = 0, array $xref = []): array
{
$this->capturedOffset = $offset;
$xref['xref']['prev_0'] = $offset;
return [
'trailer' => $xref['trailer'] ?? ['id' => [], 'info' => '', 'root' => '', 'size' => 0],
'xref' => $xref['xref'],
];
}
};
$parser->setStubRawObject(['objref', '1_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '1', 0], ['numeric', '1', 0]], 0],
['/', 'Index', 0],
['[', [['numeric', '0', 0], ['numeric', '1', 0]], 0],
['/', 'Size', 0],
['numeric', '1', 0],
['/', 'Prev', 0],
['numeric', '77', 0],
['/', 'DecodeParms', 0],
['<<', [['/', 'Columns', 0], ['numeric', '3', 0], ['/', 'Predictor', 0], ['numeric', '10', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->decodeXrefStreamPublic(0, ['xref' => []]);
$this->assertSame(77, $parser->capturedOffset);
$this->assertSame(77, $xref['xref']['prev_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessObjIndexesMapRejectsSparseRowLookup(): void
{
$parser = new XrefStreamHarness();
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid xref stream row at index 2');
$parser->processObjIndexesMapPublic($xref, [2 => 10], [[1, 20, 0]]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessSingleObjIndexRejectsMissingMandatoryFields(): void
{
$parser = new XrefStreamHarness();
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
try {
$parser->processSingleObjIndexPublic($xref, 8, [1]);
$this->fail('Expected missing offset exception for in-use entry.');
} catch (PPException $exception) {
$this->assertSame(
'Invalid xref stream entry for object 8: missing offset for in-use entry',
$exception->getMessage(),
);
}
$this->expectException(PPException::class);
$this->expectExceptionMessageContains(
'Invalid xref stream entry for object 9: missing object stream reference for compressed entry',
);
$parser->processSingleObjIndexPublic($xref, 9, [2, 55]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseXrefIndexSectionsCoversNullAndValidationErrors(): void
{
$parser = new XrefStreamHarness();
$this->assertNull($parser->parseXrefIndexSectionsPublic(null));
$this->assertNull($parser->parseXrefIndexSectionsPublic(['[', 'oops', 0]));
try {
$parser->parseXrefIndexSectionsPublic(['[', [['name', 'x', 0], ['numeric', '1', 0]], 0]);
$this->fail('Expected invalid numeric token exception.');
} catch (PPException $exception) {
$this->assertSame('Invalid xref stream Index array: expected numeric values', $exception->getMessage());
}
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid xref stream Index array: values must be non-negative');
$parser->parseXrefIndexSectionsPublic(['[', [['numeric', '-1', 0], ['numeric', '1', 0]], 0]);
}
public function testBuildXrefObjectNumbersExpandsSections(): void
{
$parser = new XrefStreamHarness();
$this->assertSame([3, 4, 5, 10], $parser->buildXrefObjectNumbersPublic([[3, 3], [10, 1]]));
$this->assertSame([], $parser->buildXrefObjectNumbersPublic([]));
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamThrowsWhenIndexAndSizeAreMissing(): void
{
$stream_data = \pack('C*', 1, 9, 0);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '1', 0], ['numeric', '1', 0]], 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Unable to determine xref stream Index coverage: missing Index and Size');
$parser->decodeXrefStreamPublic(100, ['xref' => []]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefStreamWithoutPredictorUsesRawRows(): void
{
$stream_data = \pack('C*', 1, 9, 0);
$parser = new XrefHarness();
$parser->setStubRawObject(['objref', '5_0', 0]);
$parser->setStubIndirectObject([
[
'<<',
[
['/', 'Type', 0],
['/', 'XRef', 0],
['/', 'W', 0],
['[', [['numeric', '1', 0], ['numeric', '1', 0], ['numeric', '1', 0]], 0],
['/', 'Index', 0],
['[', [['numeric', '0', 0], ['numeric', '1', 0]], 0],
['/', 'Size', 0],
['numeric', '1', 0],
],
0,
],
['stream', $stream_data, 0, [$stream_data, []]],
]);
$xref = $parser->decodeXrefStreamPublic(100, ['xref' => []]);
$this->assertSame(9, $xref['xref']['0_0'] ?? null);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testDecodeXrefBreaksWhenEntryPatternStartsAtDifferentOffset(): void
{
$pdf = "xref\r\nabc\r\n0 1 n\r\ntrailer << /Size 1 >>\r\n";
$parser = new XrefHarness();
$parser->setPdfDataPublic($pdf);
$xref = $parser->decodeXrefPublic(0, ['xref' => ['9_0' => 99]]);
$this->assertSame(99, $xref['xref']['9_0'] ?? null);
$this->assertSame(1, $xref['trailer']['size']);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testParseXrefIndexSectionsRejectsNonArrayTokens(): void
{
$parser = new XrefStreamHarness();
$this->expectException(PPException::class);
$this->expectExceptionMessageContains('Invalid xref stream Index array: expected numeric values');
$parser->parseXrefIndexSectionsPublic(['[', [1 => ['numeric', '1', 0], 2 => ['numeric', '2', 0]], 0]);
}
/**
* @throws \Com\Tecnick\Pdf\Parser\Exception
*/
public function testProcessXrefTypeSkipsSlashTokenWithNonStringName(): void
{
$parser = new XrefStreamHarness();
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
$wbt = [0, 0, 0];
$state = [
'index_sections' => null,
'prevxref' => null,
'predictor' => 0,
'columns' => 0,
'size' => null,
'valid_crs' => false,
];
$parser->processXrefTypePublic(
[
['/', [['numeric', '1', 0]], 0],
['numeric', '7', 0],
],
$xref,
$wbt,
$state,
true,
);
$this->assertSame([], $xref['xref']);
$this->assertFalse($state['valid_crs']);
}
public function testProcessXrefObjrefReturnsWhenObjrefValueIsNotString(): void
{
$parser = new XrefStreamHarness();
$xref = [
'trailer' => [
'id' => [],
'info' => '',
'root' => '',
'size' => 0,
],
'xref' => [],
];
$result = $parser->processXrefObjrefPublic(
'Root',
[
['/', 'Root', 0],
['objref', [['numeric', '1', 0]], 0],
],
0,
$xref,
);
$this->assertSame($xref, $result);
}
}