function getImageMetadata($event) { $medium = $event->getArgument('medium'); $data = array('headers' => null, 'exif' => null, 'xmp' => null, 'irb' => null, 'finfo' => null); $ext = $medium->getExtension(); $file = $medium->getAbsPath(); if (zmgFactory::getConfig()->get('plugins/jpeg_metadata/general/readwrite') && ($ext == "jpg" || $ext == "jpeg") && !ZMG_SAFEMODE_ON) { //import libs first (duh ;) ) $jmt_dir = "v" . str_replace('.', '_', ZMG_JMT_VERSION); zmgimport('org.zoomfactory.var.plugins.jpeg_metadata.' . $jmt_dir . '.EXIF'); //takes care of some deferred loading as well zmgimport('org.zoomfactory.var.plugins.jpeg_metadata.' . $jmt_dir . '.Photoshop_File_Info'); // Retreive the EXIF, XMP and Photoshop IRB information from // the existing file, so that it can be updated later on... $data['headers'] = get_jpeg_header_data($file); $data['exif'] = get_EXIF_JPEG($file); $data['xmp'] = read_XMP_array_from_text(get_XMP_text($data['headers'])); $data['irb'] = get_Photoshop_IRB($data['headers']); $data['finfo'] = get_photoshop_file_info($data['exif'], $data['xmp'], $data['irb']); // Check if there is a default for the date defined if (!array_key_exists('date', $data['finfo']) || array_key_exists('date', $data['finfo']) && $data['finfo']['date'] == '') { // No default for the date defined // figure out a default from the file // Check if there is a EXIF Tag 36867 "Date and Time of Original" if ($data['exif'] != false && array_key_exists(0, $data['exif']) && array_key_exists(34665, $data['exif'][0]) && array_key_exists(0, $data['exif'][0][34665]) && array_key_exists(36867, $data['exif'][0][34665][0])) { // Tag "Date and Time of Original" found - use it for the default date $data['finfo']['date'] = $data['exif'][0][34665][0][36867]['Data'][0]; $data['finfo']['date'] = preg_replace("/(\\d\\d\\d\\d):(\\d\\d):(\\d\\d)( \\d\\d:\\d\\d:\\d\\d)/", "\$1-\$2-\$3", $data['finfo']['date']); } elseif ($data['exif'] != false && array_key_exists(0, $data['exif']) && array_key_exists(34665, $data['exif'][0]) && array_key_exists(0, $data['exif'][0][34665]) && array_key_exists(36868, $data['exif'][0][34665][0])) { // Check if there is a EXIF Tag 36868 "Date and Time when Digitized" // Tag "Date and Time when Digitized" found - use it for the default date $data['finfo']['date'] = $data['exif'][0][34665][0][36868]['Data'][0]; $data['finfo']['date'] = preg_replace("/(\\d\\d\\d\\d):(\\d\\d):(\\d\\d)( \\d\\d:\\d\\d:\\d\\d)/", "\$1-\$2-\$3", $data['finfo']['date']); } else { if ($data['exif'] != false && array_key_exists(0, $data['exif']) && array_key_exists(306, $data['exif'][0])) { // Check if there is a EXIF Tag 306 "Date and Time" // Tag "Date and Time" found - use it for the default date $data['finfo']['date'] = $data['exif'][0][306]['Data'][0]; $data['finfo']['date'] = preg_replace("/(\\d\\d\\d\\d):(\\d\\d):(\\d\\d)( \\d\\d:\\d\\d:\\d\\d)/", "\$1-\$2-\$3", $data['finfo']['date']); } else { // Couldn't find an EXIF date in the image // Set default date as creation date of file $data['finfo']['date'] = date("Y-m-d", filectime($file)); } } } } return zmgJpeg_metadataPlugin::interpretImageData($data, $medium->filename); }
/** * mime_image_get_exif_data fetch meta data from uploaded image * * @param array $pUpload uploaded file data * @access public * @return array filled with exif goodies */ function mime_image_get_exif_data($pUpload) { $exifHash = array(); if (function_exists('exif_read_data') && !empty($pUpload['source_file']) && is_file($pUpload['source_file']) && preg_match("#/(jpe?g|tiff)#i", $pUpload['type'])) { // exif_read_data can be noisy due to crappy files, e.g. "Incorrect APP1 Exif Identifier Code" etc... $exifHash = @exif_read_data($pUpload['source_file'], 0, TRUE); // extract more information if we can find it if (ini_get('short_open_tag')) { require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/JPEG.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/JFIF.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/PictureInfo.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/XMP.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/EXIF.php'; // Retrieve the header information from the JPEG file $jpeg_header_data = get_jpeg_header_data($pUpload['source_file']); // Retrieve EXIF information from the JPEG file $Exif_array = get_EXIF_JPEG($pUpload['source_file']); // Retrieve XMP information from the JPEG file $XMP_array = read_XMP_array_from_text(get_XMP_text($jpeg_header_data)); // Retrieve Photoshop IRB information from the JPEG file $IRB_array = get_Photoshop_IRB($jpeg_header_data); if (!empty($exifHash['IFD0']['Software']) && preg_match('/photoshop/i', $exifHash['IFD0']['Software'])) { require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/Photoshop_File_Info.php'; // Retrieve Photoshop File Info from the three previous arrays $psFileInfo = get_photoshop_file_info($Exif_array, $XMP_array, $IRB_array); if (!empty($psFileInfo['headline'])) { $exifHash['headline'] = $psFileInfo['headline']; } if (!empty($psFileInfo['caption'])) { $exifHash['caption'] = $psFileInfo['caption']; } } } // only makes sense to store the GPS data if we at least have latitude and longitude if (!empty($exifHash['GPS'])) { // store GPS coordinates as deg decimal float $gpsConv = array('GPSLatitude', 'GPSDestLatitude', 'GPSLongitude', 'GPSDestLongitude'); foreach ($gpsConv as $conv) { if (!empty($exifHash['GPS'][$conv]) && is_array($exifHash['GPS'][$conv])) { $exifHash['GPS'][$conv] = mime_image_convert_exifgps($exifHash['GPS'][$conv]); } } } } return $exifHash; }
// i.e. $filename is defined, and $new_ps_file_info_array is not if (!isset($new_ps_file_info_array) && isset($filename) && is_string($filename)) { // Hide any unknown EXIF tags $GLOBALS['HIDE_UNKNOWN_TAGS'] = TRUE; // Accessing the existing file info for the specified file requires these includes include 'JPEG.php'; include 'XMP.php'; include 'Photoshop_IRB.php'; include 'EXIF.php'; include 'Photoshop_File_Info.php'; // Retrieve the header information from the JPEG file $jpeg_header_data = get_jpeg_header_data($filename); // Retrieve EXIF information from the JPEG file $Exif_array = get_EXIF_JPEG($filename); // Retrieve XMP information from the JPEG file $XMP_array = read_XMP_array_from_text(get_XMP_text($jpeg_header_data)); // Retrieve Photoshop IRB information from the JPEG file $IRB_array = get_Photoshop_IRB($jpeg_header_data); // Retrieve Photoshop File Info from the three previous arrays $new_ps_file_info_array = get_photoshop_file_info($Exif_array, $XMP_array, $IRB_array); // Check if there is an array of defaults available if (isset($default_ps_file_info_array) && is_array($default_ps_file_info_array)) { // There are defaults defined // Check if there is a default for the date defined if (!array_key_exists('date', $default_ps_file_info_array) || array_key_exists('date', $default_ps_file_info_array) && $default_ps_file_info_array['date'] == '') { // No default for the date defined // figure out a default from the file // Check if there is a EXIF Tag 36867 "Date and Time of Original" if ($Exif_array != FALSE && array_key_exists(0, $Exif_array) && array_key_exists(34665, $Exif_array[0]) && array_key_exists(0, $Exif_array[0][34665]) && array_key_exists(36867, $Exif_array[0][34665][0])) { // Tag "Date and Time of Original" found - use it for the default date $default_ps_file_info_array['date'] = $Exif_array[0][34665][0][36867]['Data'][0];
/** * extractMetaData extract meta data from images * * @param array $pParamHash * @param array $pFile * @access public * @return TRUE on success, FALSE on failure - mErrors will contain reason for failure * @deprecated deprecated since version 2.1.0-beta */ function extractMetaData(&$pParamHash, &$pFile) { //deprecated( "This method has been replaced by a method in LibertyMime. Please try to migrate your code." ); // Process a JPEG , jpeg_metadata_tk REQUIRES short_tags because that is the way it was written. feel free to fix something. XOXO spiderr if (ini_get('short_open_tag') && function_exists('exif_read_data') && !empty($pFile['tmp_name']) && strpos(strtolower($pFile['type']), 'jpeg') !== FALSE) { $exifHash = @exif_read_data($pFile['tmp_name'], 0, true); // Change: Allow this example file to be easily relocatable - as of version 1.11 require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/JPEG.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/JFIF.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/PictureInfo.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/XMP.php'; require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/EXIF.php'; // Retrieve the header information from the JPEG file $jpeg_header_data = get_jpeg_header_data($pFile['tmp_name']); // Retrieve EXIF information from the JPEG file $Exif_array = get_EXIF_JPEG($pFile['tmp_name']); // Retrieve XMP information from the JPEG file $XMP_array = read_XMP_array_from_text(get_XMP_text($jpeg_header_data)); // Retrieve Photoshop IRB information from the JPEG file $IRB_array = get_Photoshop_IRB($jpeg_header_data); if (!empty($exifHash['IFD0']['Software']) && preg_match('/photoshop/i', $exifHash['IFD0']['Software'])) { require_once UTIL_PKG_PATH . 'jpeg_metadata_tk/Photoshop_File_Info.php'; // Retrieve Photoshop File Info from the three previous arrays $psFileInfo = get_photoshop_file_info($Exif_array, $XMP_array, $IRB_array); if (!empty($psFileInfo['headline'])) { if (empty($pParamHash['title'])) { $pParamHash['title'] = $psFileInfo['headline']; } elseif (empty($pParamHash['edit']) && !$this->getField('data') && $pParamHash['title'] != $psFileInfo['headline']) { $pParamHash['edit'] = $psFileInfo['headline']; } } if (!empty($psFileInfo['caption'])) { if (empty($pParamHash['title'])) { $pParamHash['title'] = $psFileInfo['caption']; } elseif (empty($pParamHash['edit']) && !$this->getField('data') && $pParamHash['title'] != $psFileInfo['caption']) { $pParamHash['edit'] = $psFileInfo['caption']; } } } if (!empty($exifHash['EXIF']['DateTimeOriginal'])) { $pParamHash['event_time'] = strtotime($exifHash['EXIF']['DateTimeOriginal']); } if (!empty($exifHash['IFD0']['ImageDescription'])) { if (empty($pParamHash['title'])) { $pParamHash['title'] = $exifHash['IFD0']['ImageDescription']; } elseif (empty($pParamHash['edit']) && !$this->getField('data') && $pParamHash['title'] != $exifHash['IFD0']['ImageDescription']) { $pParamHash['edit'] = $exifHash['IFD0']['ImageDescription']; } } } }
/** * Make a newly uploaded medium ready for use in the gallery. * * @param string $image * @param string $filename * @param string $filetype * @param string $keywords * @param string $name * @param string $descr * @param int $rotate * @param int $degrees * @param int $ignoresizes * @return boolean * @access public */ function processImage($image, $filename, $filetype, $keywords, $name, $descr, $rotate, $degrees = 0, $ignoresizes = 0) { global $mosConfig_absolute_path, $zoom; // reset script execution time limit (as set in MAX_EXECUTION_TIME ini directive)... // requires SAFE MODE to be OFF! if (ini_get('safe_mode') != 1) { set_time_limit(0); } $imagepath = $zoom->_CONFIG['imagepath']; $catdir = $zoom->_gallery->getDir(); $filename = urldecode($filename); // replace every space-character with a single "_" $filename = ereg_replace(" ", "_", $filename); $filename = stripslashes($filename); $filename = ereg_replace("'", "_", $filename); // Get rid of extra underscores $filename = ereg_replace("_+", "_", $filename); $filename = ereg_replace("(^_|_\$)", "", $filename); $zoom->checkDuplicate($filename, 'filename'); $filename = $zoom->_tempname; // replace space-characters in combination with a comma with 'air'...or nothing! $keywords = $zoom->cleanString($keywords); //$keywords = $zoom->htmlnumericentities($keywords); $name = $zoom->cleanString($name); //$name = $zoom->htmlnumericentities($name); //$descr = $zoom->cleanString($descr); //$descr = $zoom->htmlnumericentities($descr); if (empty($name)) { $name = $zoom->_CONFIG['tempName']; } $imgobj = new image(0); //create a new image object with a foo imgid $imgobj->setImgInfo($filename, $name, $keywords, $descr, $zoom->_gallery->_id, $zoom->currUID, 1, 1); $imgobj->getMimeType($filetype, $image); unset($filename, $name, $keywords, $descr); //clear memory, just in case... if (!$zoom->acceptableSize($image)) { // the file is simply too big, register this... $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = sprintf(_ZOOM_ALERT_TOOBIG, $zoom->_CONFIG['maxsizekb'] . 'kB'); return false; } /* IMPORTANT CHEATSHEET: * If we don't get useful data from that or its a type we don't * recognize, take a swing at it using the file name. if ($mimeType == 'application/octet-stream' || $mimeType == 'application/unknown' || GalleryCoreApi::convertMimeToExtension($mimeType) == null) { $extension = GalleryUtilities::getFileExtension($file['name']); $mimeType = GalleryCoreApi::convertExtensionToMime($extension); } */ if ($zoom->acceptableFormat($imgobj->getMimeType(), true)) { // File is an image/ movie/ document... $file = "{$mosConfig_absolute_path}/{$imagepath}{$catdir}/" . $imgobj->_filename; $desfile = "{$mosConfig_absolute_path}/{$imagepath}{$catdir}/thumbs/" . $imgobj->_filename; if (is_uploaded_file($image)) { if (!move_uploaded_file("{$image}", $file)) { // some error occured while moving file, register this... $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_MOVEFAILURE; return false; } } elseif (!$zoom->platform->copy("{$image}", $file) && !$zoom->platform->file_exists($file)) { // some error occured while moving file, register this... $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_MOVEFAILURE; return false; } @$zoom->platform->chmod($file, '0777'); $viewsize = $mosConfig_absolute_path . "/" . $imagepath . $catdir . "/viewsize/" . $imgobj->_filename; if ($zoom->acceptableFormat($imgobj->getMimeType(), true)) { if ($zoom->isImage($imgobj->getMimeType(), true)) { $imgobj->_size = $zoom->platform->getimagesize($file); // get image EXIF & IPTC data from file to save it in viewsize image and get a thumbnail... if ($zoom->_CONFIG['readEXIF'] && ($imgobj->_type === "jpg" || $imgobj->_type === "jpeg") && !(bool) ini_get('safe_mode')) { // Retreive the EXIF, XMP and Photoshop IRB information from // the existing file, so that it can be updated later on... $jpeg_header_data = get_jpeg_header_data($file); $EXIF_data = get_EXIF_JPEG($file); $XMP_data = read_XMP_array_from_text(get_XMP_text($jpeg_header_data)); $IRB_data = get_Photoshop_IRB($jpeg_header_data); $new_ps_file_info = get_photoshop_file_info($EXIF_data, $XMP_data, $IRB_data); // Check if there is a default for the date defined if (!array_key_exists('date', $new_ps_file_info) || array_key_exists('date', $new_ps_file_info) && $new_ps_file_info['date'] == '') { // No default for the date defined // figure out a default from the file // Check if there is a EXIF Tag 36867 "Date and Time of Original" if ($EXIF_data != FALSE && array_key_exists(0, $EXIF_data) && array_key_exists(34665, $EXIF_data[0]) && array_key_exists(0, $EXIF_data[0][34665]) && array_key_exists(36867, $EXIF_data[0][34665][0])) { // Tag "Date and Time of Original" found - use it for the default date $new_ps_file_info['date'] = $EXIF_data[0][34665][0][36867]['Data'][0]; $new_ps_file_info['date'] = preg_replace("/(\\d\\d\\d\\d):(\\d\\d):(\\d\\d)( \\d\\d:\\d\\d:\\d\\d)/", "\$1-\$2-\$3", $new_ps_file_info['date']); } elseif ($EXIF_data != FALSE && array_key_exists(0, $EXIF_data) && array_key_exists(34665, $EXIF_data[0]) && array_key_exists(0, $EXIF_data[0][34665]) && array_key_exists(36868, $EXIF_data[0][34665][0])) { // Check if there is a EXIF Tag 36868 "Date and Time when Digitized" // Tag "Date and Time when Digitized" found - use it for the default date $new_ps_file_info['date'] = $EXIF_data[0][34665][0][36868]['Data'][0]; $new_ps_file_info['date'] = preg_replace("/(\\d\\d\\d\\d):(\\d\\d):(\\d\\d)( \\d\\d:\\d\\d:\\d\\d)/", "\$1-\$2-\$3", $new_ps_file_info['date']); } else { if ($EXIF_data != FALSE && array_key_exists(0, $EXIF_data) && array_key_exists(306, $EXIF_data[0])) { // Check if there is a EXIF Tag 306 "Date and Time" // Tag "Date and Time" found - use it for the default date $new_ps_file_info['date'] = $EXIF_data[0][306]['Data'][0]; $new_ps_file_info['date'] = preg_replace("/(\\d\\d\\d\\d):(\\d\\d):(\\d\\d)( \\d\\d:\\d\\d:\\d\\d)/", "\$1-\$2-\$3", $new_ps_file_info['date']); } else { // Couldn't find an EXIF date in the image // Set default date as creation date of file $new_ps_file_info['date'] = date("Y-m-d", filectime($file)); } } } } // First, rotate the image (if that's mentioned in the 'job description')... if ($rotate) { $tmpdir = $mosConfig_absolute_path . "/" . $zoom->createTempDir(); $new_source = $tmpdir . "/" . $imgobj->_filename; if (!$this->rotateImage($file, $new_source, $degrees, $imgobj)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = "Error rotating image"; return false; } else { @$zoom->platform->unlink($file); if ($zoom->platform->copy($new_source, $file)) { $imgobj->_size = $zoom->platform->getimagesize($file); } } } // resize to thumbnail... // 1-31-2006: fix #0000151 if (!$zoom->platform->file_exists($desfile)) { if (!$this->resizeImage($file, $desfile, $zoom->_CONFIG['size'], $imgobj)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_IMGERROR; return false; } } // if the image size is greater than the given maximum: resize it! if (!$zoom->platform->file_exists($viewsize)) { //If the image is larger than the max size if (($imgobj->_size[0] > $zoom->_CONFIG['maxsize'] || $imgobj->_size[1] > $zoom->_CONFIG['maxsize']) && !$ignoresizes) { //Resizes the file. If successful, continue if ($this->resizeImage($file, $viewsize, $zoom->_CONFIG['maxsize'], $imgobj)) { //Watermark? if ((bool) $zoom->_CONFIG['wm_apply']) { //Watermark. Return errors if not successuful if (!$this->watermarkImage($viewsize, $viewsize, $imgobj)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_WATERMARKERROR; return false; } } } else { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_IMGERROR; return false; } } else { //Watermark? if ((bool) $zoom->_CONFIG['wm_apply']) { //Watermark. Return errors if not successuful if (!$this->watermarkImage($file, $file, $imgobj)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_WATERMARKERROR; return false; } } } } } elseif ($zoom->isDocument($imgobj->getMimeType(), true)) { if ($zoom->isIndexable($imgobj->getMimeType(), true) && $this->_use_PDF) { if (!$this->indexDocument($file, $imgobj->_filename)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_INDEXERROR; return false; } } else { if ($zoom->platform->copy($file, $viewsize)) { if ((bool) $zoom->_CONFIG['wm_apply']) { // put a watermark on the source image... if (!$this->watermarkImage($viewsize, $viewsize, $imgobj)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_WATERMARKERROR; return false; } } } else { // some error occured while moving file, register this... $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_MOVEFAILURE; return false; } } } elseif ($zoom->isMovie($imgobj->getMimeType(), true)) { //if movie is 'thumbnailable' -> make a thumbnail then! if ($zoom->isThumbnailable($imgobj->_type) && $this->_use_FFMPEG) { if (!$this->createMovieThumb($file, $zoom->_CONFIG['size'], $imgobj->_filename)) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_IMGERROR; return false; } } } elseif ($zoom->isAudio($imgobj->getMimeType(), true)) { // TODO: indexing audio files (mp3-files, etc.) properties, e.g. id3vX tags... } if (!$imgobj->save()) { $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = "Database failure"; } } } else { //Not the right format, register this... $this->_err_num++; $this->_err_names[$this->_err_num] = $imgobj->_filename; $this->_err_types[$this->_err_num] = _ZOOM_ALERT_WRONGFORMAT_MULT; return false; } return true; }
<BR> <HR> <BR> Output the EXIF Information --> <?php echo Interpret_EXIF_to_HTML(get_EXIF_JPEG($filename), $filename); ?> <BR> <HR> <BR> Output the XMP Information --> <?php echo Interpret_XMP_to_HTML(read_XMP_array_from_text(get_XMP_text($jpeg_header_data))); ?> <BR> <HR> <BR> Output the Photoshop IRB (including the IPTC-NAA info --> <?php echo Interpret_IRB_to_HTML(get_Photoshop_IRB($jpeg_header_data), $filename); ?> <BR> <HR> <BR>
function read_IFD_universal($filehnd, $Tiff_offset, $Byte_Align, $Tag_Definitions_Name, $local_offsets = FALSE, $read_next_ptr = TRUE) { if ($filehnd == NULL || feof($filehnd)) { return array(FALSE, 0); } // Record the Name of the Tag Group used for this IFD in the output array $OutputArray['Tags Name'] = $Tag_Definitions_Name; // Record the offset of the TIFF header in the output array $OutputArray['Tiff Offset'] = $Tiff_offset; // First 2 bytes of IFD are number of entries in the IFD $No_Entries_str = network_safe_fread($filehnd, 2); $No_Entries = get_IFD_Data_Type($No_Entries_str, 3, $Byte_Align); // If the data is corrupt, the number of entries may be huge, which will cause errors // This is often caused by a lack of a Next-IFD pointer if ($No_Entries > 10000) { // Huge number of entries - abort echo "<p>Error: huge number of EXIF entries - EXIF is probably Corrupted</p>\n"; return array(FALSE, 0); } // If the data is corrupt or just stupid, the number of entries may zero, // Indicate this by returning false if ($No_Entries === 0) { // No entries - abort return array(FALSE, 0); } // Save the file position where first IFD record starts as non-standard offsets // need to know this to calculate an absolute offset $IFD_first_rec_pos = ftell($filehnd); // Read in the IFD structure $IFD_Data = network_safe_fread($filehnd, 12 * $No_Entries); // Check if the entire IFD was able to be read if (strlen($IFD_Data) != 12 * $No_Entries) { // Couldn't read the IFD Data properly, Some Casio files have no Next IFD pointer, hence cause this error echo "<p>Error: EXIF Corrupted</p>\n"; return array(FALSE, 0); } // Last 4 bytes of a standard IFD are the offset to the next IFD // Some NON-Standard IFD implementations do not have this, hence causing problems if it is read // If the Next IFD pointer has been requested to be read, if ($read_next_ptr) { // Read the pointer to the next IFD $Next_Offset_str = network_safe_fread($filehnd, 4); $Next_Offset = get_IFD_Data_Type($Next_Offset_str, 4, $Byte_Align); } else { // Otherwise set the pointer to zero ( no next IFD ) $Next_Offset = 0; } // Initialise current position to the start $pos = 0; // Loop for reading IFD entries for ($i = 0; $i < $No_Entries; $i++) { // First 2 bytes of IFD entry are the tag number ( Unsigned Short ) $Tag_No_str = substr($IFD_Data, $pos, 2); $Tag_No = get_IFD_Data_Type($Tag_No_str, 3, $Byte_Align); $pos += 2; // Next 2 bytes of IFD entry are the data format ( Unsigned Short ) $Data_Type_str = substr($IFD_Data, $pos, 2); $Data_Type = get_IFD_Data_Type($Data_Type_str, 3, $Byte_Align); $pos += 2; // If Datatype is not between 1 and 12, then skip this entry, it is probably corrupted or custom if ($Data_Type > 12 || $Data_Type < 1) { $pos += 8; continue 1; // Stop trying to process the tag any further and skip to the next one } // Next 4 bytes of IFD entry are the data count ( Unsigned Long ) $Data_Count_str = substr($IFD_Data, $pos, 4); $Data_Count = get_IFD_Data_Type($Data_Count_str, 4, $Byte_Align); $pos += 4; if ($Data_Count > 100000) { echo "<p>Error: huge EXIF data count - EXIF is probably Corrupted</p>\n"; // Some Casio files have no Next IFD pointer, hence cause errors return array(FALSE, 0); } // Total Data size is the Data Count multiplied by the size of the Data Type $Total_Data_Size = $GLOBALS['IFD_Data_Sizes'][$Data_Type] * $Data_Count; $Data_Start_pos = -1; // If the total data size is larger than 4 bytes, then the data part is the offset to the real data if ($Total_Data_Size > 4) { // Not enough room for data - offset provided instead $Data_Offset_str = substr($IFD_Data, $pos, 4); $Data_Start_pos = get_IFD_Data_Type($Data_Offset_str, 4, $Byte_Align); // In some NON-STANDARD makernotes, the offset is relative to the start of the current IFD entry if ($local_offsets) { // This is a NON-Standard IFD, seek relative to the start of the current tag fseek($filehnd, $IFD_first_rec_pos + $pos - 8 + $Data_Start_pos); } else { // This is a normal IFD, seek relative to the start of the TIFF header fseek($filehnd, $Tiff_offset + $Data_Start_pos); } // Read the data block from the offset position $DataStr = network_safe_fread($filehnd, $Total_Data_Size); } else { // The data block is less than 4 bytes, and is provided in the IFD entry, so read it $DataStr = substr($IFD_Data, $pos, $Total_Data_Size); } // Increment the position past the data $pos += 4; // Now create the entry for output array $Data_Array = array(); // Read the data items from the data block if ($Data_Type != 2 && $Data_Type != 7) { // The data type is Numerical, Read the data items from the data block for ($j = 0; $j < $Data_Count; $j++) { $Part_Data_Str = substr($DataStr, $j * $GLOBALS['IFD_Data_Sizes'][$Data_Type], $GLOBALS['IFD_Data_Sizes'][$Data_Type]); $Data_Array[] = get_IFD_Data_Type($Part_Data_Str, $Data_Type, $Byte_Align); } } elseif ($Data_Type == 2) { // The data type is String(s) (type 2) // Strip the last terminating Null $DataStr = substr($DataStr, 0, strlen($DataStr) - 1); // Split the data block into multiple strings whereever there is a Null $Data_Array = explode("", $DataStr); } else { // The data type is Unknown (type 7) // Do nothing to data $Data_Array = $DataStr; } // If this is a Sub-IFD entry, if (array_key_exists($Tag_No, $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name]) && "SubIFD" == $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No]['Type']) { // This is a Sub-IFD entry, go and process the data forming Sub-IFD and use its output array as the new data for this entry fseek($filehnd, $Tiff_offset + $Data_Array[0]); $Data_Array = read_Multiple_IFDs($filehnd, $Tiff_offset, $Byte_Align, $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No]['Tags Name']); } $desc = ""; $units = ""; // Check if this tag exists in the list of tag definitions, if (array_key_exists($Tag_No, $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name])) { if (array_key_exists('Description', $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No])) { $desc = $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No]['Description']; } if (array_key_exists('Units', $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No])) { $units = $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No]['Units']; } // Tag exists in definitions, append details to output array $OutputArray[$Tag_No] = array("Tag Number" => $Tag_No, "Tag Name" => $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No]['Name'], "Tag Description" => $desc, "Data Type" => $Data_Type, "Type" => $GLOBALS["IFD_Tag_Definitions"][$Tag_Definitions_Name][$Tag_No]['Type'], "Units" => $units, "Data" => $Data_Array); } else { // Tag doesnt exist in definitions, append unknown details to output array $OutputArray[$Tag_No] = array("Tag Number" => $Tag_No, "Tag Name" => "Unknown Tag #" . $Tag_No, "Tag Description" => "", "Data Type" => $Data_Type, "Type" => "Unknown", "Units" => "", "Data" => $Data_Array); } // Some information of type "Unknown" (type 7) might require information about // how it's position and byte alignment in order to be decoded if ($Data_Type == 7) { $OutputArray[$Tag_No]['Offset'] = $Data_Start_pos; $OutputArray[$Tag_No]['Byte Align'] = $Byte_Align; } //////////////////////////////////////////////////////////////////////// // Special Data handling //////////////////////////////////////////////////////////////////////// // Check if this is a Print Image Matching entry if ($OutputArray[$Tag_No]['Type'] == "PIM") { // This is a Print Image Matching entry, decode it. $OutputArray[$Tag_No] = Decode_PIM($OutputArray[$Tag_No], $Tag_Definitions_Name); } // Interpret the entry into a text string using a custom interpreter $text_val = get_Tag_Text_Value($OutputArray[$Tag_No], $Tag_Definitions_Name); // Check if a text string was generated if ($text_val !== FALSE) { // A string was generated, append it to the output array entry $OutputArray[$Tag_No]['Text Value'] = $text_val; $OutputArray[$Tag_No]['Decoded'] = TRUE; } else { // A string was NOT generated, append a generic string to the output array entry $OutputArray[$Tag_No]['Text Value'] = get_IFD_value_as_text($OutputArray[$Tag_No]) . " " . $units; $OutputArray[$Tag_No]['Decoded'] = FALSE; } // Check if this entry is the Maker Note if ($Tag_Definitions_Name == "EXIF" && $Tag_No == 37500) { // Save some extra information which will allow Makernote Decoding with the output array entry $OutputArray[$Tag_No]['Offset'] = $Data_Start_pos; $OutputArray[$Tag_No]['Tiff Offset'] = $Tiff_offset; $OutputArray[$Tag_No]['ByteAlign'] = $Byte_Align; // Save a pointer to this entry for Maker note processing later $GLOBALS["Maker_Note_Tag"] =& $OutputArray[$Tag_No]; } // Check if this is a IPTC/NAA Record within the EXIF IFD if (($Tag_Definitions_Name == "EXIF" || $Tag_Definitions_Name == "TIFF") && $Tag_No == 33723) { // This is a IPTC/NAA Record, interpret it and put result in the data for this entry $OutputArray[$Tag_No]['Data'] = get_IPTC($DataStr); $OutputArray[$Tag_No]['Decoded'] = TRUE; } // Change: Check for embedded XMP as of version 1.11 // Check if this is a XMP Record within the EXIF IFD if (($Tag_Definitions_Name == "EXIF" || $Tag_Definitions_Name == "TIFF") && $Tag_No == 700) { // This is a XMP Record, interpret it and put result in the data for this entry $OutputArray[$Tag_No]['Data'] = read_XMP_array_from_text($DataStr); $OutputArray[$Tag_No]['Decoded'] = TRUE; } // Change: Check for embedded IRB as of version 1.11 // Check if this is a Photoshop IRB Record within the EXIF IFD if (($Tag_Definitions_Name == "EXIF" || $Tag_Definitions_Name == "TIFF") && $Tag_No == 34377) { // This is a Photoshop IRB Record, interpret it and put result in the data for this entry $OutputArray[$Tag_No]['Data'] = unpack_Photoshop_IRB_Data($DataStr); $OutputArray[$Tag_No]['Decoded'] = TRUE; } // Exif Thumbnail // Check that both the thumbnail length and offset entries have been processed, // and that this is one of them if (($Tag_No == 513 && array_key_exists(514, $OutputArray) || $Tag_No == 514 && array_key_exists(513, $OutputArray)) && $Tag_Definitions_Name == "TIFF") { // Seek to the start of the thumbnail using the offset entry fseek($filehnd, $Tiff_offset + $OutputArray[513]['Data'][0]); // Read the thumbnail data, and replace the offset data with the thumbnail $OutputArray[513]['Data'] = network_safe_fread($filehnd, $OutputArray[514]['Data'][0]); } // Casio Thumbnail // Check that both the thumbnail length and offset entries have been processed, // and that this is one of them if (($Tag_No == 0x4 && array_key_exists(0x3, $OutputArray) || $Tag_No == 0x3 && array_key_exists(0x4, $OutputArray)) && $Tag_Definitions_Name == "Casio Type 2") { // Seek to the start of the thumbnail using the offset entry fseek($filehnd, $Tiff_offset + $OutputArray[0x4]['Data'][0]); // Read the thumbnail data, and replace the offset data with the thumbnail $OutputArray[0x4]['Data'] = network_safe_fread($filehnd, $OutputArray[0x3]['Data'][0]); } // Minolta Thumbnail // Check that both the thumbnail length and offset entries have been processed, // and that this is one of them if (($Tag_No == 0x88 && array_key_exists(0x89, $OutputArray) || $Tag_No == 0x89 && array_key_exists(0x88, $OutputArray)) && $Tag_Definitions_Name == "Olympus") { // Seek to the start of the thumbnail using the offset entry fseek($filehnd, $Tiff_offset + $OutputArray[0x88]['Data'][0]); // Read the thumbnail data, and replace the offset data with the thumbnail $OutputArray[0x88]['Data'] = network_safe_fread($filehnd, $OutputArray[0x89]['Data'][0]); // Sometimes the minolta thumbnail data is empty (or the offset is corrupt, which results in the same thing) // Check if the thumbnail data exists if ($OutputArray[0x88]['Data'] != "") { // Thumbnail exists // Minolta Thumbnails are missing their first 0xFF for some reason, // which is replaced with some weird character, so fix this $OutputArray[0x88]['Data'][0] = "ΓΏ"; } else { // Thumbnail doesnt exist - make it obvious $OutputArray[0x88]['Data'] = FALSE; } } } // Return the array of IFD entries and the offset to the next IFD return array($OutputArray, $Next_Offset); }
/** * function to update image metadata */ function metadata_image($metadata_conf) { if (is_array($metadata_conf) && count($metadata_conf) > 0) { include_once 'metadata/Toolkit_Version.php'; error_reporting(0); include_once 'metadata/JPEG.php'; include_once 'metadata/XMP.php'; include_once 'metadata/Photoshop_IRB.php'; include_once 'metadata/EXIF.php'; include_once 'metadata/Photoshop_File_Info.php'; // Copy all of the HTML Posted variables into an array //$new_ps_file_info_array = $GLOBALS['HTTP_POST_VARS']; $new_ps_file_info_array = $metadata_conf; $filename = $new_ps_file_info_array['filename']; //echo $filename; // Protect against hackers editing other files $path_parts = pathinfo($filename); $array_extention = array('png', 'jpg'); if (strcasecmp($path_parts["extension"], "jpg") != 0) { //if (!in_array($path_parts["extension"], $array_extention)) #echo "Incorrect File Type - JPEG Only\n"; return array('status' => 'failed', 'message' => 'Incorrect File Type - JPEG Only'); exit; } // Change: removed limitation on file being in current directory - as of version 1.11 // Retrieve the header information $jpeg_header_data = get_jpeg_header_data($filename); // Retreive the EXIF, XMP and Photoshop IRB information from // the existing file, so that it can be updated $Exif_array = get_EXIF_JPEG($filename); $XMP_array = read_XMP_array_from_text(get_XMP_text($jpeg_header_data)); $IRB_array = get_Photoshop_IRB($jpeg_header_data); // Update the JPEG header information with the new Photoshop File Info $jpeg_header_data = put_photoshop_file_info($jpeg_header_data, $new_ps_file_info_array, $Exif_array, $XMP_array, $IRB_array); // Check if the Update worked if ($jpeg_header_data == FALSE) { //echo '$jpeg_header_data false'; return array('status' => 'failed', 'message' => 'Error - Failure update Photoshop File Info : ' . $filename); // Abort processing exit; } // Attempt to write the new JPEG file if (FALSE == put_jpeg_header_data($filename, $filename, $jpeg_header_data)) { //echo 'put_jpeg_header_data false'; return array('status' => 'failed', 'message' => 'Error - Failure to write new JPEG : ' . $filename); // Abort processing exit; } return array('status' => 'succes', 'message' => $filename . ' updated'); } }
/** * performs the service processing * * @param string Content which should be processed. * @param string Content type * @param array Configuration array * @return boolean */ function process($content = '', $type = '', $conf = array()) { $this->conf = $conf; $this->out = array(); if ($content) { $this->setInput($content, $type); } if ($inputFile = $this->getInputFile() and $jpeg_header_data = get_jpeg_header_data($inputFile)) { $this->xmpRaw = get_XMP_text($jpeg_header_data); preg_match('#<x:xmpmeta[^>]*>.*</x:xmpmeta>#is', $this->xmpRaw, $match); $this->xmpRaw = $match[0]; $this->xmp = parseXMP2simpleArray(read_XMP_array_from_text($this->xmpRaw)); foreach ($this->xmp as $key => $value) { // ignore empty lines headers and emtpy entries if ($value) { switch (strtolower($key)) { case 'dc:creator': $this->out['fields']['creator'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'dc:description': $this->out['fields']['description'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'dc:rights': $this->out['fields']['copyright'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'dc:subject': $this->out['fields']['keywords'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'dc:title': $this->out['fields']['title'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'iptc4xmpcore:countrycode': if (strlen($value) == 2) { $select = 'cn_iso_3'; $table = 'static_countries'; $where = tx_staticinfotables_div::getIsoCodeField($table, $value) . '=' . $GLOBALS['TYPO3_DB']->fullQuoteStr(strtoupper($value), 'static_countries'); $where .= t3lib_BEfunc::deleteClause($table); $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery($select, $table, $where); if ($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) { $this->out['fields']['loc_country'] = $row['cn_iso_3']; } } break; case 'iptc4xmpcore:location': $value = trim($value); if ($value[0] == '/' or $value[0] == '\\') { $this->out['fields']['file_orig_location'] = tx_svmetaextract_lib::forceUtf8($value); } else { $this->out['fields']['loc_desc'] = tx_svmetaextract_lib::forceUtf8($value); } break; case 'xmp:createdate': $this->out['fields']['date_cr'] = tx_svmetaextract_lib::parseDate($value); break; case 'xmp:creatortool': $this->out['fields']['file_creator'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'xmp:modifydate': $this->out['fields']['date_mod'] = tx_svmetaextract_lib::parseDate($value); break; case 'xap:createdate': $this->out['fields']['date_cr'] = tx_svmetaextract_lib::parseDate($value); break; case 'xap:creatortool': $this->out['fields']['file_creator'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'xap:modifydate': $this->out['fields']['date_mod'] = tx_svmetaextract_lib::parseDate($value); break; case 'xaprights:copyright': $this->out['fields']['copyright'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'xaprights:usageterms': $this->out['fields']['instructions'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'xmptpg:npages': $this->out['fields']['pages'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'pdf:keywords': $this->out['fields']['keywords'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'pdf:producer': $this->out['fields']['file_creator'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'photoshop:captionwriter': $this->out['fields']['photoshop:captionwriter'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'photoshop:city': $this->out['fields']['loc_city'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'photoshop:credit': $this->out['fields']['copyright'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'photoshop:headline': $this->out['fields']['title'] = tx_svmetaextract_lib::forceUtf8($value); break; case 'photoshop:instructions': $this->out['fields']['instructions'] = tx_svmetaextract_lib::forceUtf8($value); break; } } } $this->out['fields']['meta']['xmp'] = $this->xmp; $this->out['fields']['meta']['xmp_xml'] = $this->xmpRaw; } else { $this->errorPush(T3_ERR_SV_NO_INPUT, 'No or empty input.'); } return $this->getLastError(); }