/**
* Get parameters for createAsset
*
* @param mixed input
* @return array
* @access public
* @since 7/20/05
*/
function getSingleAssetInfo($input)
{
$assetInfo = array();
$headerData = get_jpeg_header_data($input);
$photoshopIRB = get_Photoshop_IRB($headerData);
$this->_photoshopIPTC = get_Photoshop_IPTC($photoshopIRB);
// printpre($this->_photoshopIPTC);
$assetInfo['description'] = "";
$assetInfo['displayName'] = basename($input);
if (is_array($this->_photoshopIPTC)) {
foreach ($this->_photoshopIPTC as $array) {
switch ($array['RecName']) {
case 'Caption/Abstract':
case 'description':
$assetInfo['description'] = $array['RecData'];
break;
case "Object Name (Title)":
case "title":
if (strlen(trim($array['RecData']))) {
$assetInfo['displayName'] = trim($array['RecData']);
}
}
}
}
// printpre($assetInfo);
// exit;
$mime = Services::getService("MIME");
$mimeType = $mime->getMimeTypeForFileName(basename($input));
$generalType = substr($mimeType, 0, strpos($mimeType, '/'));
if ($generalType == "application" || !$generalType) {
$assetInfo['type'] = new HarmoniType("Asset Types", "edu.middlebury", "Generic Asset");
} else {
$assetInfo['type'] = new HarmoniType("Asset Types", "edu.middlebury", ucfirst($generalType));
}
return $assetInfo;
}
function get_photoshop_file_info($Exif_array, $XMP_array, $IRB_array)
{
// Create a blank array to receive the output
$outputarray = array("title" => "", "author" => "", "authorsposition" => "", "caption" => "", "captionwriter" => "", "jobname" => "", "copyrightstatus" => "", "copyrightnotice" => "", "ownerurl" => "", "keywords" => array(), "category" => "", "supplementalcategories" => array(), "date" => "", "city" => "", "state" => "", "country" => "", "credit" => "", "source" => "", "headline" => "", "instructions" => "", "transmissionreference" => "", "urgency" => "");
/***************************************/
// XMP Processing
// Retrieve the dublin core section from the XMP header
// Extract the Dublin Core section from the XMP
$dublincore_block = find_XMP_block($XMP_array, "dc");
// Check that the Dublin Core section exists
if ($dublincore_block != FALSE) {
// Dublin Core Description Field contains caption
// Extract Description
$Item = find_XMP_item($dublincore_block, "dc:description");
// Check if Description Tag existed
if ($Item != FALSE) {
// Ensure that the Description value exists and save it.
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Alt" && array_key_exists('value', $Item['children'][0]['children'][0])) {
$outputarray = add_to_field($outputarray, 'caption', HTML_UTF8_Escape($Item['children'][0]['children'][0]['value']), "\n");
}
}
/***************************************/
// Dublin Core Creator Field contains author
// Extract Description
$Item = find_XMP_item($dublincore_block, "dc:creator");
// Check if Creator Tag existed
if ($Item != FALSE) {
// Ensure that the Creator value exists and save it.
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Seq" && array_key_exists('value', $Item['children'][0]['children'][0])) {
$outputarray = add_to_field($outputarray, 'author', HTML_UTF8_Escape($Item['children'][0]['children'][0]['value']), "\n");
}
}
/***************************************/
// Dublin Core Title Field contains title
// Extract Title
$Item = find_XMP_item($dublincore_block, "dc:title");
// Check if Title Tag existed
if ($Item != FALSE) {
// Ensure that the Title value exists and save it.
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Alt" && array_key_exists('value', $Item['children'][0]['children'][0])) {
$outputarray = add_to_field($outputarray, 'title', HTML_UTF8_Escape($Item['children'][0]['children'][0]['value']), ",");
}
}
/***************************************/
// Dublin Core Rights Field contains copyrightnotice
// Extract Rights
$Item = find_XMP_item($dublincore_block, "dc:rights");
// Check if Rights Tag existed
if ($Item != FALSE) {
// Ensure that the Rights value exists and save it.
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Alt" && array_key_exists('value', $Item['children'][0]['children'][0])) {
$outputarray = add_to_field($outputarray, 'copyrightnotice', HTML_UTF8_Escape($Item['children'][0]['children'][0]['value']), ",");
}
}
/***************************************/
// Dublin Core Subject Field contains keywords
// Extract Subject
$Item = find_XMP_item($dublincore_block, "dc:subject");
// Check if Subject Tag existed
if ($Item != FALSE) {
// Ensure that the Subject values exist
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Bag") {
// Cycle through each Subject value and save them
foreach ($Item['children'][0]['children'] as $keywords) {
if (!in_array(HTML_UTF8_Escape($keywords['value']), $outputarray['keywords'])) {
if (array_key_exists('value', $keywords)) {
$outputarray['keywords'][] = HTML_UTF8_Escape($keywords['value']);
}
}
}
}
}
}
/***************************************/
// Find the Photoshop Information within the XMP block
$photoshop_block = find_XMP_block($XMP_array, "photoshop");
// Check that the Photoshop Information exists
if ($photoshop_block != FALSE) {
// The Photoshop CaptionWriter tag contains captionwriter - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:CaptionWriter");
// Check that the CaptionWriter Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'captionwriter', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Headline tag contains headline - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Headline");
// Check that the Headline Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'headline', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Instructions tag contains instructions - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Instructions");
// Check that the Instructions Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'instructions', HTML_UTF8_Escape($Item['value']), "\n");
}
/***************************************/
// The Photoshop AuthorsPosition tag contains authorsposition - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:AuthorsPosition");
// Check that the AuthorsPosition Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'authorsposition', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Credit tag contains credit - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Credit");
// Check that the Credit Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'credit', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Source tag contains source - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Source");
// Check that the Credit Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'source', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop City tag contains city - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:City");
// Check that the City Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'city', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop State tag contains state - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:State");
// Check that the State Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'state', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Country tag contains country - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Country");
// Check that the Country Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'country', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop TransmissionReference tag contains transmissionreference - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:TransmissionReference");
// Check that the TransmissionReference Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'transmissionreference', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Category tag contains category - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Category");
// Check that the TransmissionReference Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'category', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop DateCreated tag contains date - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:DateCreated");
// Check that the DateCreated Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'date', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop Urgency tag contains urgency - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:Urgency");
// Check that the Urgency Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'urgency', HTML_UTF8_Escape($Item['value']), ",");
}
/***************************************/
// The Photoshop SupplementalCategories tag contains supplementalcategories - Find it
$Item = find_XMP_item($photoshop_block, "photoshop:SupplementalCategories");
// Check that the SupplementalCategories Field exists
if ($Item != FALSE) {
// Check that the values exist
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Bag") {
// Cycle through the values and save them
foreach ($Item['children'][0]['children'] as $sup_category) {
if (array_key_exists('value', $sup_category) && !in_array(HTML_UTF8_Escape($sup_category['value']), $outputarray['supplementalcategories'])) {
if (array_key_exists('value', $sup_category)) {
$outputarray['supplementalcategories'][] = HTML_UTF8_Escape($sup_category['value']);
}
}
}
}
}
}
/***************************************/
// Find the Job Reference Information within the XMP block
$job_block = find_XMP_block($XMP_array, "xapBJ");
// Check that the Job Reference Information exists
if ($job_block != FALSE) {
// The JobRef Field contains jobname - Find it
$Item = find_XMP_item($job_block, "xapBJ:JobRef");
// Check that the JobRef Field exists
if ($Item != FALSE) {
// Check that the value exists and save it
if (array_key_exists('children', $Item) && $Item['children'][0]['tag'] == "rdf:Bag" && array_key_exists('children', $Item['children'][0]) && $Item['children'][0]['children'][0]['tag'] == "rdf:li" && array_key_exists('children', $Item['children'][0]['children'][0]) && $Item['children'][0]['children'][0]['children'][0]['tag'] == "stJob:name" && array_key_exists('value', $Item['children'][0]['children'][0]['children'][0])) {
$outputarray = add_to_field($outputarray, 'jobname', HTML_UTF8_Escape($Item['children'][0]['children'][0]['children'][0]['value']), ",");
}
}
}
/***************************************/
// Find the Rights Information within the XMP block
$rights_block = find_XMP_block($XMP_array, "xapRights");
// Check that the Rights Information exists
if ($rights_block != FALSE) {
// The WebStatement Field contains ownerurl - Find it
$Item = find_XMP_item($rights_block, "xapRights:WebStatement");
// Check that the WebStatement Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
$outputarray = add_to_field($outputarray, 'ownerurl', HTML_UTF8_Escape($Item['value']), "\n");
}
/***************************************/
// The Marked Field contains copyrightstatus - Find it
$Item = find_XMP_item($rights_block, "xapRights:Marked");
// Check that the Marked Field exists and save the value
if ($Item != FALSE && array_key_exists('value', $Item)) {
if ($Item['value'] == "True") {
$outputarray = add_to_field($outputarray, 'copyrightstatus', "Copyrighted Work", ",");
} else {
$outputarray = add_to_field($outputarray, 'copyrightstatus', "Public Domain", ",");
}
}
}
/***************************************/
// Photoshop IRB Processing
// Check that the Photoshop IRB exists
if ($IRB_array != FALSE) {
// Create a translation table to convert carriage returns to linefeeds
$irbtrans = array("\r" => "\n");
// The Photoshop IRB Copyright flag (0x040A) contains copyrightstatus - find it
$IRB_copyright_flag = find_Photoshop_IRB_Resource($IRB_array, 0x40a);
// Check if the Copyright flag Field exists, and save the value
if ($IRB_copyright_flag != FALSE) {
// Check the value of the copyright flag
if (hexdec(bin2hex($IRB_copyright_flag['ResData'])) == 1) {
// Save the value
$outputarray = add_to_field($outputarray, 'copyrightstatus', "Copyrighted Work", ",");
} else {
// Do nothing - copyrightstatus will be set to unmarked if still blank at end
}
}
/***************************************/
// The Photoshop IRB URL (0x040B) contains ownerurl - find it
$IRB_url = find_Photoshop_IRB_Resource($IRB_array, 0x40b);
// Check if the URL Field exists and save the value
if ($IRB_url != FALSE) {
$outputarray = add_to_field($outputarray, 'ownerurl', strtr($IRB_url['ResData'], $irbtrans), "\n");
}
/***************************************/
// Extract any IPTC block from the Photoshop IRB information
$IPTC_array = get_Photoshop_IPTC($IRB_array);
// Check if the IPTC block exits
if ($IPTC_array != FALSE && count($IPTC_array) != 0) {
// The IPTC Caption/Abstract Field contains caption - find it
$record = find_IPTC_Resource($IPTC_array, "2:120");
// Check if the Caption/Abstract Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'caption', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Caption Writer/Editor Field contains captionwriter - find it
$record = find_IPTC_Resource($IPTC_array, "2:122");
// Check if the Caption Writer/Editor Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'captionwriter', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Headline Field contains headline - find it
$record = find_IPTC_Resource($IPTC_array, "2:105");
// Check if the Headline Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'headline', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Special Instructions Field contains instructions - find it
$record = find_IPTC_Resource($IPTC_array, "2:40");
// Check if the Special Instructions Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'instructions', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC By-Line Field contains author - find it
$record = find_IPTC_Resource($IPTC_array, "2:80");
// Check if the By-Line Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'author', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC By-Line Title Field contains authorsposition - find it
$record = find_IPTC_Resource($IPTC_array, "2:85");
// Check if the By-Line Title Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'authorsposition', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Credit Field contains credit - find it
$record = find_IPTC_Resource($IPTC_array, "2:110");
// Check if the Credit Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'credit', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Source Field contains source - find it
$record = find_IPTC_Resource($IPTC_array, "2:115");
// Check if the Source Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'source', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Object Name Field contains title - find it
$record = find_IPTC_Resource($IPTC_array, "2:05");
// Check if the Object Name Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'title', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Date Created Field contains date - find it
$record = find_IPTC_Resource($IPTC_array, "2:55");
// Check if the Date Created Field exists and save the value
if ($record != FALSE) {
$date_array = unpack("a4Year/a2Month/A2Day", $record['RecData']);
$tmpdate = $date_array['Year'] . "-" . $date_array['Month'] . "-" . $date_array['Day'];
$outputarray = add_to_field($outputarray, 'date', strtr($tmpdate, $irbtrans), ",");
}
/***************************************/
// The IPTC City Field contains city - find it
$record = find_IPTC_Resource($IPTC_array, "2:90");
// Check if the City Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'city', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Province/State Field contains state - find it
$record = find_IPTC_Resource($IPTC_array, "2:95");
// Check if the Province/State Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'state', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Country/Primary Location Name Field contains country - find it
$record = find_IPTC_Resource($IPTC_array, "2:101");
// Check if the Country/Primary Location Name Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'country', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Original Transmission Reference Field contains transmissionreference - find it
$record = find_IPTC_Resource($IPTC_array, "2:103");
// Check if the Original Transmission Reference Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'transmissionreference', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// The IPTC Category Field contains category - find it
$record = find_IPTC_Resource($IPTC_array, "2:15");
// Check if the Category Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'category', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// Cycle through the IPTC records looking for Supplemental Category records
foreach ($IPTC_array as $record) {
// Check if a Supplemental Category record has been found
if ($record['IPTC_Type'] == "2:20") {
// A Supplemental Category record has been found, save it's value if the value doesn't already exist
if (!in_array($record['RecData'], $outputarray['supplementalcategories'])) {
$outputarray['supplementalcategories'][] = strtr($record['RecData'], array("\n" => "", "\r" => "
"));
}
}
}
/***************************************/
// The IPTC Urgency Field contains urgency - find it
$record = find_IPTC_Resource($IPTC_array, "2:10");
// Check if the Urgency Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'urgency', strtr($record['RecData'], $irbtrans), "\n");
}
/***************************************/
// Cycle through the IPTC records looking for Keywords records
foreach ($IPTC_array as $record) {
// Check if a Keywords record has been found
if ($record['IPTC_Type'] == "2:25") {
// A Keywords record has been found, save it's value if the value doesn't already exist
if (!in_array($record['RecData'], $outputarray['keywords'])) {
$outputarray['keywords'][] = strtr($record['RecData'], array("\n" => "", "\r" => "
"));
}
}
}
/***************************************/
// The IPTC Copyright Notice Field contains copyrightnotice - find it
$record = find_IPTC_Resource($IPTC_array, "2:116");
// Check if the Copyright Field exists and save the value
if ($record != FALSE) {
$outputarray = add_to_field($outputarray, 'copyrightnotice', strtr($record['RecData'], $irbtrans), "\n");
}
}
}
/***************************************/
// EXIF Processing
// Retreive Information from the EXIF data if it exists
if ($Exif_array != FALSE || count($Exif_array) == 0) {
// Check the Image Description Tag - it can contain the caption
if (array_key_exists(270, $Exif_array[0])) {
$outputarray = add_to_field($outputarray, 'caption', $Exif_array[0][270]['Data'][0], "\n");
}
/***************************************/
// Check the Copyright Information Tag - it contains the copyrightnotice
if (array_key_exists(33432, $Exif_array[0])) {
$outputarray = add_to_field($outputarray, 'copyrightnotice', HTML_UTF8_UnEscape($Exif_array[0][33432]['Data'][0]), "\n");
}
/***************************************/
// Check the Artist Name Tag - it contains the author
if (array_key_exists(315, $Exif_array[0])) {
$outputarray = add_to_field($outputarray, 'author', HTML_UTF8_UnEscape($Exif_array[0][315]['Data'][0]), "\n");
}
}
/***************************/
// FINISHED RETRIEVING INFORMATION
// Perform final processing
// Check if any urgency information was found
if ($outputarray["urgency"] == "") {
// No urgency information was found - set it to default (None)
$outputarray["urgency"] = "none";
}
// Check if any copyrightstatus information was found
if ($outputarray["copyrightstatus"] == "") {
// No copyrightstatus information was found - set it to default (Unmarked)
$outputarray["copyrightstatus"] = "unmarked";
}
// Return the resulting Photoshop File Info Array
return $outputarray;
}