name : module.graphic.jpg.php <?php ///////////////////////////////////////////////////////////////// /// getID3() by James Heinrich <info@getid3.org> // // available at https://github.com/JamesHeinrich/getID3 // // or https://www.getid3.org // // or http://getid3.sourceforge.net // // see readme.txt for more details // ///////////////////////////////////////////////////////////////// // // // module.graphic.jpg.php // // module for analyzing JPEG Image files // // dependencies: PHP compiled with --enable-exif (optional) // // module.tag.xmp.php (optional) // // /// ///////////////////////////////////////////////////////////////// if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } class getid3_jpg extends getid3_handler { /** * @return bool */ public function Analyze() { $info = &$this->getid3->info; $info['fileformat'] = 'jpg'; $info['video']['dataformat'] = 'jpg'; $info['video']['lossless'] = false; $info['video']['bits_per_sample'] = 24; $info['video']['pixel_aspect_ratio'] = (float) 1; $this->fseek($info['avdataoffset']); $imageinfo = array(); //list($width, $height, $type) = getid3_lib::GetDataImageSize($this->fread($info['filesize']), $imageinfo); list($width, $height, $type) = getimagesize($info['filenamepath'], $imageinfo); // https://www.getid3.org/phpBB3/viewtopic.php?t=1474 if (isset($imageinfo['APP13'])) { // http://php.net/iptcparse // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html $iptc_parsed = iptcparse($imageinfo['APP13']); if (is_array($iptc_parsed)) { foreach ($iptc_parsed as $iptc_key_raw => $iptc_values) { list($iptc_record, $iptc_tagkey) = explode('#', $iptc_key_raw); $iptc_tagkey = intval(ltrim($iptc_tagkey, '0')); foreach ($iptc_values as $key => $value) { $IPTCrecordName = $this->IPTCrecordName($iptc_record); $IPTCrecordTagName = $this->IPTCrecordTagName($iptc_record, $iptc_tagkey); if (isset($info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName])) { $info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName][] = $value; } else { $info['iptc']['comments'][$IPTCrecordName][$IPTCrecordTagName] = array($value); } } } } } $returnOK = false; switch ($type) { case IMAGETYPE_JPEG: $info['video']['resolution_x'] = $width; $info['video']['resolution_y'] = $height; if (isset($imageinfo['APP1'])) { if (function_exists('exif_read_data')) { if (substr($imageinfo['APP1'], 0, 4) == 'Exif') { //$this->warning('known issue: https://bugs.php.net/bug.php?id=62523'); //return false; set_error_handler(function($errno, $errstr, $errfile, $errline) { // https://github.com/JamesHeinrich/getID3/issues/275 if (!(error_reporting() & $errno)) { // error is not specified in the error_reporting setting, so we ignore it return false; } $this->warning('Error parsing EXIF data ('.$errstr.')'); }); $info['jpg']['exif'] = exif_read_data($info['filenamepath'], null, true, false); restore_error_handler(); } else { $this->warning('exif_read_data() cannot parse non-EXIF data in APP1 (expected "Exif", found "'.substr($imageinfo['APP1'], 0, 4).'")'); } } else { $this->warning('EXIF parsing only available when '.(GETID3_OS_ISWINDOWS ? 'php_exif.dll enabled' : 'compiled with --enable-exif')); } } $returnOK = true; break; default: break; } $cast_as_appropriate_keys = array('EXIF', 'IFD0', 'THUMBNAIL'); foreach ($cast_as_appropriate_keys as $exif_key) { if (isset($info['jpg']['exif'][$exif_key])) { foreach ($info['jpg']['exif'][$exif_key] as $key => $value) { $info['jpg']['exif'][$exif_key][$key] = $this->CastAsAppropriate($value); } } } if (isset($info['jpg']['exif']['GPS'])) { if (isset($info['jpg']['exif']['GPS']['GPSVersion'])) { $version_subparts = array(); for ($i = 0; $i < 4; $i++) { $version_subparts[$i] = ord(substr($info['jpg']['exif']['GPS']['GPSVersion'], $i, 1)); } $info['jpg']['exif']['GPS']['computed']['version'] = 'v'.implode('.', $version_subparts); } if (isset($info['jpg']['exif']['GPS']['GPSDateStamp'])) { $explodedGPSDateStamp = explode(':', $info['jpg']['exif']['GPS']['GPSDateStamp']); $computed_time[5] = (isset($explodedGPSDateStamp[0]) ? $explodedGPSDateStamp[0] : ''); $computed_time[3] = (isset($explodedGPSDateStamp[1]) ? $explodedGPSDateStamp[1] : ''); $computed_time[4] = (isset($explodedGPSDateStamp[2]) ? $explodedGPSDateStamp[2] : ''); $computed_time = array(0=>0, 1=>0, 2=>0, 3=>0, 4=>0, 5=>0); if (isset($info['jpg']['exif']['GPS']['GPSTimeStamp']) && is_array($info['jpg']['exif']['GPS']['GPSTimeStamp'])) { foreach ($info['jpg']['exif']['GPS']['GPSTimeStamp'] as $key => $value) { $computed_time[$key] = getid3_lib::DecimalizeFraction($value); } } $info['jpg']['exif']['GPS']['computed']['timestamp'] = gmmktime($computed_time[0], $computed_time[1], $computed_time[2], $computed_time[3], $computed_time[4], $computed_time[5]); } if (isset($info['jpg']['exif']['GPS']['GPSLatitude']) && is_array($info['jpg']['exif']['GPS']['GPSLatitude'])) { $direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLatitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLatitudeRef'] == 'S')) ? -1 : 1); $computed_latitude = array(); foreach ($info['jpg']['exif']['GPS']['GPSLatitude'] as $key => $value) { $computed_latitude[$key] = getid3_lib::DecimalizeFraction($value); } $info['jpg']['exif']['GPS']['computed']['latitude'] = $direction_multiplier * ($computed_latitude[0] + ($computed_latitude[1] / 60) + ($computed_latitude[2] / 3600)); } if (isset($info['jpg']['exif']['GPS']['GPSLongitude']) && is_array($info['jpg']['exif']['GPS']['GPSLongitude'])) { $direction_multiplier = ((isset($info['jpg']['exif']['GPS']['GPSLongitudeRef']) && ($info['jpg']['exif']['GPS']['GPSLongitudeRef'] == 'W')) ? -1 : 1); $computed_longitude = array(); foreach ($info['jpg']['exif']['GPS']['GPSLongitude'] as $key => $value) { $computed_longitude[$key] = getid3_lib::DecimalizeFraction($value); } $info['jpg']['exif']['GPS']['computed']['longitude'] = $direction_multiplier * ($computed_longitude[0] + ($computed_longitude[1] / 60) + ($computed_longitude[2] / 3600)); } if (isset($info['jpg']['exif']['GPS']['GPSAltitudeRef'])) { $info['jpg']['exif']['GPS']['GPSAltitudeRef'] = ord($info['jpg']['exif']['GPS']['GPSAltitudeRef']); // 0 = above sea level; 1 = below sea level } if (isset($info['jpg']['exif']['GPS']['GPSAltitude'])) { $direction_multiplier = (!empty($info['jpg']['exif']['GPS']['GPSAltitudeRef']) ? -1 : 1); // 0 = above sea level; 1 = below sea level $info['jpg']['exif']['GPS']['computed']['altitude'] = $direction_multiplier * getid3_lib::DecimalizeFraction($info['jpg']['exif']['GPS']['GPSAltitude']); } } getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.xmp.php', __FILE__, true); if (isset($info['filenamepath'])) { $image_xmp = new Image_XMP($info['filenamepath']); $xmp_raw = $image_xmp->getAllTags(); foreach ($xmp_raw as $key => $value) { if (strpos($key, ':')) { list($subsection, $tagname) = explode(':', $key); $info['xmp'][$subsection][$tagname] = $this->CastAsAppropriate($value); } else { $this->warning('XMP: expecting "<subsection>:<tagname>", found "'.$key.'"'); } } } if (!$returnOK) { unset($info['fileformat']); return false; } return true; } /** * @param mixed $value * * @return mixed */ public function CastAsAppropriate($value) { if (is_array($value) || is_null($value)) { return $value; } elseif (preg_match('#^[0-9]+/[0-9]+$#', $value)) { return getid3_lib::DecimalizeFraction($value); } elseif (preg_match('#^[0-9]+$#', $value)) { return getid3_lib::CastAsInt($value); } elseif (preg_match('#^[0-9\.]+$#', $value)) { return (float) $value; } return $value; } /** * @param int $iptc_record * * @return string */ public function IPTCrecordName($iptc_record) { // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html static $IPTCrecordName = array(); if (empty($IPTCrecordName)) { $IPTCrecordName = array( 1 => 'IPTCEnvelope', 2 => 'IPTCApplication', 3 => 'IPTCNewsPhoto', 7 => 'IPTCPreObjectData', 8 => 'IPTCObjectData', 9 => 'IPTCPostObjectData', ); } return (isset($IPTCrecordName[$iptc_record]) ? $IPTCrecordName[$iptc_record] : ''); } /** * @param int $iptc_record * @param int $iptc_tagkey * * @return string */ public function IPTCrecordTagName($iptc_record, $iptc_tagkey) { // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/IPTC.html static $IPTCrecordTagName = array(); if (empty($IPTCrecordTagName)) { $IPTCrecordTagName = array( 1 => array( // IPTC EnvelopeRecord Tags 0 => 'EnvelopeRecordVersion', 5 => 'Destination', 20 => 'FileFormat', 22 => 'FileVersion', 30 => 'ServiceIdentifier', 40 => 'EnvelopeNumber', 50 => 'ProductID', 60 => 'EnvelopePriority', 70 => 'DateSent', 80 => 'TimeSent', 90 => 'CodedCharacterSet', 100 => 'UniqueObjectName', 120 => 'ARMIdentifier', 122 => 'ARMVersion', ), 2 => array( // IPTC ApplicationRecord Tags 0 => 'ApplicationRecordVersion', 3 => 'ObjectTypeReference', 4 => 'ObjectAttributeReference', 5 => 'ObjectName', 7 => 'EditStatus', 8 => 'EditorialUpdate', 10 => 'Urgency', 12 => 'SubjectReference', 15 => 'Category', 20 => 'SupplementalCategories', 22 => 'FixtureIdentifier', 25 => 'Keywords', 26 => 'ContentLocationCode', 27 => 'ContentLocationName', 30 => 'ReleaseDate', 35 => 'ReleaseTime', 37 => 'ExpirationDate', 38 => 'ExpirationTime', 40 => 'SpecialInstructions', 42 => 'ActionAdvised', 45 => 'ReferenceService', 47 => 'ReferenceDate', 50 => 'ReferenceNumber', 55 => 'DateCreated', 60 => 'TimeCreated', 62 => 'DigitalCreationDate', 63 => 'DigitalCreationTime', 65 => 'OriginatingProgram', 70 => 'ProgramVersion', 75 => 'ObjectCycle', 80 => 'By-line', 85 => 'By-lineTitle', 90 => 'City', 92 => 'Sub-location', 95 => 'Province-State', 100 => 'Country-PrimaryLocationCode', 101 => 'Country-PrimaryLocationName', 103 => 'OriginalTransmissionReference', 105 => 'Headline', 110 => 'Credit', 115 => 'Source', 116 => 'CopyrightNotice', 118 => 'Contact', 120 => 'Caption-Abstract', 121 => 'LocalCaption', 122 => 'Writer-Editor', 125 => 'RasterizedCaption', 130 => 'ImageType', 131 => 'ImageOrientation', 135 => 'LanguageIdentifier', 150 => 'AudioType', 151 => 'AudioSamplingRate', 152 => 'AudioSamplingResolution', 153 => 'AudioDuration', 154 => 'AudioOutcue', 184 => 'JobID', 185 => 'MasterDocumentID', 186 => 'ShortDocumentID', 187 => 'UniqueDocumentID', 188 => 'OwnerID', 200 => 'ObjectPreviewFileFormat', 201 => 'ObjectPreviewFileVersion', 202 => 'ObjectPreviewData', 221 => 'Prefs', 225 => 'ClassifyState', 228 => 'SimilarityIndex', 230 => 'DocumentNotes', 231 => 'DocumentHistory', 232 => 'ExifCameraInfo', ), 3 => array( // IPTC NewsPhoto Tags 0 => 'NewsPhotoVersion', 10 => 'IPTCPictureNumber', 20 => 'IPTCImageWidth', 30 => 'IPTCImageHeight', 40 => 'IPTCPixelWidth', 50 => 'IPTCPixelHeight', 55 => 'SupplementalType', 60 => 'ColorRepresentation', 64 => 'InterchangeColorSpace', 65 => 'ColorSequence', 66 => 'ICC_Profile', 70 => 'ColorCalibrationMatrix', 80 => 'LookupTable', 84 => 'NumIndexEntries', 85 => 'ColorPalette', 86 => 'IPTCBitsPerSample', 90 => 'SampleStructure', 100 => 'ScanningDirection', 102 => 'IPTCImageRotation', 110 => 'DataCompressionMethod', 120 => 'QuantizationMethod', 125 => 'EndPoints', 130 => 'ExcursionTolerance', 135 => 'BitsPerComponent', 140 => 'MaximumDensityRange', 145 => 'GammaCompensatedValue', ), 7 => array( // IPTC PreObjectData Tags 10 => 'SizeMode', 20 => 'MaxSubfileSize', 90 => 'ObjectSizeAnnounced', 95 => 'MaximumObjectSize', ), 8 => array( // IPTC ObjectData Tags 10 => 'SubFile', ), 9 => array( // IPTC PostObjectData Tags 10 => 'ConfirmedObjectSize', ), ); } return (isset($IPTCrecordTagName[$iptc_record][$iptc_tagkey]) ? $IPTCrecordTagName[$iptc_record][$iptc_tagkey] : $iptc_tagkey); } }