111 lines
4.8 KiB
PHP
111 lines
4.8 KiB
PHP
--TEST--
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iptcembed() valid jpg stream
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--FILE--
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<?php
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/*
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# source code to generate base64 use behind as $base64_1x1_jpeg
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# we don't want to be gd library dependant for this test
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$file="1x1.jpg";
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$ret=imagejpeg(imagecreatetruecolor(1, 1), $file, 100);
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echo md5(file_get_contents($file)).PHP_EOL;
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echo base64_encode(file_get_contents($file)).PHP_EOL;
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unlink($file);
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*/
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/*
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test description :
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1) create local file 1x1 jpeg (without iptc) (use base64 content to create file)
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2) generate iptcdata string with function iptc_make_tag describe behind
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3) use iptcembed php function with our 1x1 jpeg file and our iptcdata string
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4) write local file2 with iptcembed return content
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5) various check on file2 to verify that's a valid jpeg file with our tags
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*/
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#iptc_make_tag function from http://php.net/iptcembed
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function iptc_make_tag($rec, $data, $value)
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{
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$length = strlen($value);
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$retval = chr(0x1C) . chr($rec) . chr($data);
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if($length < 0x8000) { $retval .= chr($length >> 8) . chr($length & 0xFF); }
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else { $retval .= chr(0x80) . chr(0x04) . chr(($length >> 24) & 0xFF) . chr(($length >> 16) & 0xFF) . chr(($length >> 8) & 0xFF) . chr($length & 0xFF); }
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return $retval . $value;
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}
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$file="1x1.jpg";
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$file2="1x1_with_iptc_tags.jpg";
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$base64_1x1_jpeg="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";
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#write file
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$fd=fopen($file,"wb");
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if ($fd) { fputs($fd,base64_decode($base64_1x1_jpeg)); fclose($fd); }
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else { echo "error can't write $file".PHP_EOL;exit(1); }
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#check file md5
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$md5=md5_file($file);
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if ($md5!="07dd8594450e8c18ab8a79d7cb4573c7") { echo "md5 error".PHP_EOL;exit(1); }
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#check jpeg properties
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list($width, $height, $type, $attr) = getimagesize($file,$info);
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if ($width!=1) { echo "width error".PHP_EOL;exit(1); }
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if ($height!=1) { echo "height error".PHP_EOL;exit(1); }
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if ($type!=2) { echo "type error".PHP_EOL;exit(1); }
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if (!isset($info["APP0"])) { echo "APP0 error".PHP_EOL;exit(1); }
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#our iptc tags
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$tags=array();
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$tags["2#105"]= "Tauren";
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$tags["2#120"]= "Tauren with Trunk";
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$tags["2#110"]= "Copyright 2004-2016, Blizzard";
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$tags["2#025"]= "Tauren, Chaman, Blizzard";
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$tags["2#090"]= "Thunder Bluffs";
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#feed iptc string for iptcembed
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$iptc='';
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foreach ($tags as $tag => $string) { $rec=$tag[0]; $tag = substr($tag, 2); $iptc .= iptc_make_tag($rec, $tag, $string); }
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#check iptc string md5
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if (md5(base64_encode($iptc))!="7056c4b3060f92a4f9e5b7d0caa61859") { echo "iptc md5 error".PHP_EOL;exit(1); }
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#use iptcembed to get jpeg stream content with iptc tags
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$content = iptcembed($iptc, $file,0);
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#write new image with iptc tags
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if ($content === false) {echo "iptcembed error".PHP_EOL;exit(1); }
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$fd=fopen($file2,"wb");
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if ($fd) { fputs($fd,$content); fclose($fd); }
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else { echo "error can't write $file2".PHP_EOL;exit(1); }
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#check jpeg properties for new image with iptc tags
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echo "new generated image with itpc tags : $file2".PHP_EOL;
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$ret = getimagesize($file2,$info);
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if ($ret===false) { echo "getimagesize error".PHP_EOL;exit(1); }
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list($width, $height, $type, $attr) = $ret;
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if ($width!=1) { echo "width error".PHP_EOL;exit(1); }
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if ($height!=1) { echo "height error".PHP_EOL;exit(1); }
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if ($type!=2) { echo "type error".PHP_EOL;exit(1); }
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if (!isset($info["APP0"])) { echo "APP0 error".PHP_EOL;exit(1); }
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if (!isset($info["APP13"])) { echo "APP13 error".PHP_EOL;exit(1); }
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$error=0;
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$iptc_data_from_created_image = iptcparse($info['APP13']);
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foreach ($tags as $tag => $string) {
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#check if tag exists
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if (!isset($iptc_data_from_created_image[$tag])) {
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echo "error iptc tag $tag not found".PHP_EOL;
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$error++;
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} else {
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#check value
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if ($iptc_data_from_created_image[$tag][0]!=$string) {
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echo "error tag $tag : bad value ($string != ".$iptc_data_from_created_image[$tag][0].")".PHP_EOL;
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$error++;
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}
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}
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}
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#clean before exit
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@unlink($file);
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@unlink($file2);
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if ($error==0) { echo "OK".PHP_EOL;exit(0);}
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echo "something wrong: $error errors".PHP_EOL;
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?>
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--EXPECT--
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new generated image with itpc tags : 1x1_with_iptc_tags.jpg
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OK
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