generated from jric11/baseProject
462 lines
13 KiB
PHP
462 lines
13 KiB
PHP
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<?php
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/**
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* JpegTest.php
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*
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* @since 2026-04-19
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* @category Library
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* @package PdfImage
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* @author Nicola Asuni <info@tecnick.com>
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* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
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* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
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* @link https://github.com/tecnickcom/tc-lib-pdf-image
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*
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* This file is part of tc-lib-pdf-image software library.
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*/
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namespace Test;
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/**
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* Jpeg class test
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*
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* @since 2026-04-19
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* @category Library
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* @package PdfImage
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* @author Nicola Asuni <info@tecnick.com>
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* @copyright 2011-2026 Nicola Asuni - Tecnick.com LTD
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* @license https://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE)
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* @link https://github.com/tecnickcom/tc-lib-pdf-image
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*
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* @phpstan-import-type ImageBaseData from \Com\Tecnick\Pdf\Image\Import
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*/
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class JpegTest extends TestUtil
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{
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/**
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* @throws \RangeException
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*/
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public function testGetDataRgbJpeg(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_RGB.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 3,
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'colspace' => 'DeviceRGB',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_RGB.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals('DCTDecode', $result['filter']);
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$this->assertNotEmpty($result['data']);
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$this->assertEquals($file, $result['data']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataGrayJpeg(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_GRAY.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 1,
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'colspace' => 'DeviceGray',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_GRAY.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals('DCTDecode', $result['filter']);
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$this->assertEquals(1, $result['channels']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataCmykJpeg(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_CMYK.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 4,
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'colspace' => 'DeviceCMYK',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_CMYK.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals('DCTDecode', $result['filter']);
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$this->assertEquals(4, $result['channels']);
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$this->assertEquals('DeviceCMYK', $result['colspace']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataJpegWithIcc(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_RGBICC.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 3,
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'colspace' => 'DeviceRGB',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_RGBICC.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals('DCTDecode', $result['filter']);
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$this->assertNotEmpty($result['icc']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataJpegWithoutIcc(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_RGB.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 3,
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'colspace' => 'DeviceRGB',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_RGB.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals('DCTDecode', $result['filter']);
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$this->assertEmpty($result['icc']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataPreservesRawData(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_RGB.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 3,
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'colspace' => 'DeviceRGB',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_RGB.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals($file, $result['raw']);
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$this->assertEquals($file, $result['data']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataWithMissingIcc(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_RGB.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 3,
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'colspace' => 'DeviceRGB',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_RGB.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals('DCTDecode', $result['filter']);
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$this->assertEquals('DeviceRGB', $result['colspace']);
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}
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/**
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* @throws \RangeException
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*/
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public function testGetDataPreservesChannels(): void
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{
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$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
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$file = \file_get_contents(__DIR__ . '/images/200x100_GRAY.jpg');
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$this->assertIsString($file);
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$data = [
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'bits' => 8,
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'channels' => 1,
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'colspace' => 'DeviceGray',
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'data' => '',
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'exturl' => false,
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'file' => __DIR__ . '/images/200x100_GRAY.jpg',
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'filter' => '',
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'height' => 100,
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'icc' => '',
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'ismask' => false,
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'key' => 'test',
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'mapto' => IMAGETYPE_JPEG,
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'native' => true,
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'obj' => 0,
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'obj_alt' => 0,
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'obj_icc' => 0,
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'obj_pal' => 0,
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'pal' => '',
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'parms' => '',
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'raw' => $file,
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'recode' => false,
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'recoded' => false,
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'splitalpha' => false,
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'trns' => [],
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'type' => IMAGETYPE_JPEG,
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'width' => 200,
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];
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$result = $import->getData($data);
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$this->assertEquals(1, $result['channels']);
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$this->assertEquals($file, $result['data']);
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}
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||
|
|
/**
|
||
|
|
* A crafted "ICC_PROFILE" marker preceded by a 2-byte length of 0 yields a
|
||
|
|
* negative segment length. The scanner must still move forward instead of
|
||
|
|
* re-finding the same marker forever (DoS regression).
|
||
|
|
*
|
||
|
|
* @throws \RangeException
|
||
|
|
*/
|
||
|
|
public function testGetDataDoesNotHangOnMalformedIccMarker(): void
|
||
|
|
{
|
||
|
|
$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
|
||
|
|
$raw = 'XX' . "\x00\x00" . 'ICC_PROFILE' . "\x00\x01\x01" . 'PAYLOAD';
|
||
|
|
$data = $this->makeJpegData($raw);
|
||
|
|
|
||
|
|
$result = $import->getData($data);
|
||
|
|
|
||
|
|
$this->assertSame('DCTDecode', $result['filter']);
|
||
|
|
$this->assertSame('', $result['icc']);
|
||
|
|
$this->assertSame($raw, $result['data']);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A marker at the very start of the stream has too few bytes before it to
|
||
|
|
* carry a length: it must be skipped without throwing or looping.
|
||
|
|
*
|
||
|
|
* @throws \RangeException
|
||
|
|
*/
|
||
|
|
public function testGetDataIgnoresIccMarkerWithoutLengthPrefix(): void
|
||
|
|
{
|
||
|
|
$import = new \Com\Tecnick\Pdf\Image\Import\Jpeg();
|
||
|
|
$raw = 'ICC_PROFILE' . "\x00" . 'rest';
|
||
|
|
$data = $this->makeJpegData($raw);
|
||
|
|
|
||
|
|
$result = $import->getData($data);
|
||
|
|
|
||
|
|
$this->assertSame('', $result['icc']);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Build a minimal JPEG base-data array wrapping the given raw bytes.
|
||
|
|
*
|
||
|
|
* @return ImageBaseData
|
||
|
|
*/
|
||
|
|
private function makeJpegData(string $raw): array
|
||
|
|
{
|
||
|
|
return [
|
||
|
|
'bits' => 8,
|
||
|
|
'channels' => 3,
|
||
|
|
'colspace' => 'DeviceRGB',
|
||
|
|
'data' => '',
|
||
|
|
'exturl' => false,
|
||
|
|
'file' => '',
|
||
|
|
'filter' => '',
|
||
|
|
'height' => 100,
|
||
|
|
'icc' => '',
|
||
|
|
'ismask' => false,
|
||
|
|
'key' => 'test',
|
||
|
|
'mapto' => IMAGETYPE_JPEG,
|
||
|
|
'native' => true,
|
||
|
|
'obj' => 0,
|
||
|
|
'obj_alt' => 0,
|
||
|
|
'obj_icc' => 0,
|
||
|
|
'obj_pal' => 0,
|
||
|
|
'pal' => '',
|
||
|
|
'parms' => '',
|
||
|
|
'raw' => $raw,
|
||
|
|
'recode' => false,
|
||
|
|
'recoded' => false,
|
||
|
|
'splitalpha' => false,
|
||
|
|
'trns' => [],
|
||
|
|
'type' => IMAGETYPE_JPEG,
|
||
|
|
'width' => 200,
|
||
|
|
];
|
||
|
|
}
|
||
|
|
}
|