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import v2.0.0.0_RC3 | 2012-07-01

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https://github.com/lucanos/CommunityID -> http://www.itadmins.net/archives/357
This commit is contained in:
6543
2019-07-17 22:31:04 +02:00
parent 38c146901c
commit 2f397f01f7
2677 changed files with 296182 additions and 45159 deletions
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9
libs/Zend/Pdf/FileParser/Image/Png.php
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@ -17,7 +17,7 @@
* @subpackage FileParser
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Png.php 16971 2009-07-22 18:05:45Z mikaelkael $
* @version $Id: Png.php 18993 2009-11-15 17:09:16Z alexander $
*/
/** Zend_Pdf_FileParser_Image */
@ -178,6 +178,7 @@ class Zend_Pdf_FileParser_Image_Png extends Zend_Pdf_FileParser_Image
while($size - $this->getOffset() >= 8) {
$chunkLength = $this->readUInt(4);
if($chunkLength < 0 || ($chunkLength + $this->getOffset() + 4) > $size) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception("PNG Corrupt: Invalid Chunk Size In File.");
}
@ -208,6 +209,7 @@ class Zend_Pdf_FileParser_Image_Png extends Zend_Pdf_FileParser_Image
}
}
if(empty($this->_imageData)) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception ( "This PNG is corrupt. All png must contain IDAT chunks." );
}
}
@ -215,6 +217,7 @@ class Zend_Pdf_FileParser_Image_Png extends Zend_Pdf_FileParser_Image
protected function _parseIHDRChunk() {
$this->moveToOffset(12); //IHDR must always start at offset 12 and run for 17 bytes
if(!$this->readBytes(4) == 'IHDR') {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception( "This PNG is corrupt. The first chunk in a PNG file must be IHDR." );
}
$this->_width = $this->readUInt(4);
@ -225,6 +228,7 @@ class Zend_Pdf_FileParser_Image_Png extends Zend_Pdf_FileParser_Image
$this->_preFilter = $this->readInt(1);
$this->_interlacing = $this->readInt(1);
if($this->_interlacing != Zend_Pdf_Image::PNG_INTERLACING_DISABLED) {
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception( "Only non-interlaced images are currently supported." );
}
}
@ -317,10 +321,9 @@ class Zend_Pdf_FileParser_Image_Png extends Zend_Pdf_FileParser_Image
case Zend_Pdf_Image::PNG_CHANNEL_GRAY_ALPHA:
//Fall through to the next case
case Zend_Pdf_Image::PING_CHANNEL_RGB_ALPHA:
require_once 'Zend/Pdf/Exception.php';
throw new Zend_Pdf_Exception( "tRNS chunk illegal for Alpha Channel Images" );
break;
}
}
}