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272 lines
9.7 KiB
272 lines
9.7 KiB
<?php |
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/** |
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* @file |
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* Mimetype specific utility functions. |
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*/ |
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/** |
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* Retrieve the correct file extension for a give mimetype. |
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* |
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* @param string $mimetype |
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* The mimetype whose extension is required. |
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* |
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* @return string |
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* The extension mapped to the given mimetype. Defaults to 'bin'. |
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*/ |
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function islandora_get_extension_for_mimetype($mimetype) { |
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// file.mimetypes.inc is a part of Drupal core, however is not |
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// automatically loaded. Manually require it. |
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require_once DRUPAL_ROOT . "/includes/file.mimetypes.inc"; |
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$extension = 'bin'; |
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$mimetype_mapping = file_mimetype_mapping(); |
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$extension_index = array_search($mimetype, $mimetype_mapping['mimetypes']); |
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if ($extension_index !== FALSE) { |
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// Reversing such that any altered values take precedence over the default |
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// mappings. |
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$mime_array_flipped = array_reverse($mimetype_mapping['extensions']); |
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$extension = array_search($extension_index, $mime_array_flipped); |
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} |
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// We can only have one mapping in drupal for 'xml'. |
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if ($mimetype == "text/xml") { |
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return "xml"; |
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} |
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return $extension; |
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} |
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/** |
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* Retrieve all file extensions for a give mimetype. |
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* |
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* @param string $mimetype |
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* The mimetype whose extensions are required. |
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* |
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* @return array |
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* All known legal extensions. |
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*/ |
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function islandora_get_extensions_for_mimetype($mimetype) { |
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// file.mimetypes.inc is a part of Drupal core, however is not |
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// automatically loaded. Manually require it. |
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require_once DRUPAL_ROOT . "/includes/file.mimetypes.inc"; |
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$mimetype_mapping = file_mimetype_mapping(); |
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$index = array_search($mimetype, $mimetype_mapping['mimetypes']); |
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$extensions = array(); |
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if ($index !== FALSE) { |
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$extensions = array_keys($mimetype_mapping['extensions'], $index); |
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} |
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// We can only have one mapping in drupal for 'xml'. |
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if ($mimetype == "text/xml") { |
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$extensions[] = 'xml'; |
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} |
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return $extensions; |
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} |
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/** |
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* Extensions for the mimes accepted by a datastream. |
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* |
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* @param AbstractObject $object |
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* Object to check for extensions. |
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* @param string $dsid |
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* Datastream ID to check for extensions. |
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* |
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* @return string[] |
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* Extensions for the mimes accepted by the datastream ID on the object. |
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*/ |
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function islandora_get_extensions_for_datastream(AbstractObject $object, $dsid) { |
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module_load_include('inc', 'islandora', 'includes/utilities'); |
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$datastream_mime_map = islandora_get_datastreams_requirements_from_models($object->models); |
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$mimes = isset($datastream_mime_map[$dsid]) ? $datastream_mime_map[$dsid]['mime'] : array(); |
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if (isset($object[$dsid])) { |
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$current_mime = $object[$dsid]->mimetype; |
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if (!in_array($current_mime, $mimes)) { |
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$mimes[] = $current_mime; |
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} |
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} |
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$extensions = array(); |
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foreach ($mimes as $mime) { |
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$extensions = array_merge($extensions, islandora_get_extensions_for_mimetype($mime)); |
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} |
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return array_unique($extensions); |
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} |
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/** |
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* Retrieve custom Islandora mime mappings. |
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* |
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* Our mime needs are rather extreme and we need to modify/extend Drupal's map. |
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*/ |
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function islandora_mime_mapping() { |
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return array( |
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// Openoffice: |
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'odb' => 'application/vnd.oasis.opendocument.database', |
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'odc' => 'application/vnd.oasis.opendocument.chart', |
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'odf' => 'application/vnd.oasis.opendocument.formula', |
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'odg' => 'application/vnd.oasis.opendocument.graphics', |
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'odi' => 'application/vnd.oasis.opendocument.image', |
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'odm' => 'application/vnd.oasis.opendocument.text-master', |
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'odp' => 'application/vnd.oasis.opendocument.presentation', |
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'ods' => 'application/vnd.oasis.opendocument.spreadsheet', |
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'odt' => 'application/vnd.oasis.opendocument.text', |
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'otg' => 'application/vnd.oasis.opendocument.graphics-template', |
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'oth' => 'application/vnd.oasis.opendocument.text-web', |
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'otp' => 'application/vnd.oasis.opendocument.presentation-template', |
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'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template', |
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'ott' => 'application/vnd.oasis.opendocument.text-template', |
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// Staroffice: |
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'stc' => 'application/vnd.sun.xml.calc.template', |
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'std' => 'application/vnd.sun.xml.draw.template', |
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'sti' => 'application/vnd.sun.xml.impress.template', |
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'stw' => 'application/vnd.sun.xml.writer.template', |
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'sxc' => 'application/vnd.sun.xml.calc', |
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'sxd' => 'application/vnd.sun.xml.draw', |
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'sxg' => 'application/vnd.sun.xml.writer.global', |
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'sxi' => 'application/vnd.sun.xml.impress', |
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'sxm' => 'application/vnd.sun.xml.math', |
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'sxw' => 'application/vnd.sun.xml.writer', |
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// K-office: |
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'kil' => 'application/x-killustrator', |
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'kpt' => 'application/x-kpresenter', |
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'kpr' => 'application/x-kpresenter', |
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'ksp' => 'application/x-kspread', |
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'kwt' => 'application/x-kword', |
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'kwd' => 'application/x-kword', |
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// Ms office 97: |
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'doc' => 'application/msword', |
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'xls' => 'application/vnd.ms-excel', |
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'ppt' => 'application/vnd.ms-powerpoint', |
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// Office2007: |
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'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', |
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'docm' => 'application/vnd.ms-word.document.macroEnabled.12', |
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'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template', |
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'dotm' => 'application/vnd.ms-word.template.macroEnabled.12', |
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'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', |
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'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12', |
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'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template', |
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'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12', |
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'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12', |
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'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12', |
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'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', |
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'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12', |
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'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow', |
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'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12', |
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'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template', |
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'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12', |
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'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12', |
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'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide', |
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'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12', |
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// Wordperfect (who cares?): |
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'wpd' => 'application/wordperfect', |
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// Common and generic containers: |
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'pdf' => 'application/pdf', |
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'eps' => 'application/postscript', |
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'ps' => 'application/postscript', |
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'rtf' => 'text/rtf', |
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'rtx' => 'text/richtext', |
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'latex' => 'application/x-latex', |
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'tex' => 'application/x-tex', |
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'texi' => 'application/x-texinfo', |
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'texinfo' => 'application/x-texinfo', |
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// *ml: |
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'css' => 'text/css', |
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'htm' => 'text/html', |
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'html' => 'text/html', |
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'wbxml' => 'application/vnd.wap.wbxml', |
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'xht' => 'application/xhtml+xml', |
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'xhtml' => 'application/xhtml+xml', |
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'xsl' => 'text/xsl', |
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'xslt' => 'text/xsl', |
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'csv' => 'text/csv', |
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'tsv' => 'text/tab-separated-values', |
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'txt' => 'text/plain', |
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// images: |
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"bmp" => "image/bmp", |
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'dng' => 'image/x-adobe-dng', |
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"gif" => "image/gif", |
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"ief" => "image/ief", |
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"jpeg" => "image/jpeg", |
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"jpe" => "image/jpeg", |
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"jpg" => "image/jpeg", |
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"jp2" => "image/jp2", |
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"png" => "image/png", |
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"tiff" => "image/tiff", |
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"tif" => "image/tiff", |
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"djvu" => "image/vnd.djvu", |
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"djv" => "image/vnd.djvu", |
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"wbmp" => "image/vnd.wap.wbmp", |
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"ras" => "image/x-cmu-raster", |
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"pnm" => "image/x-portable-anymap", |
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"pbm" => "image/x-portable-bitmap", |
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"pgm" => "image/x-portable-graymap", |
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"ppm" => "image/x-portable-pixmap", |
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"rgb" => "image/x-rgb", |
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"xbm" => "image/x-xbitmap", |
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"xpm" => "image/x-xpixmap", |
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"xwd" => "image/x-windowdump", |
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// videos: |
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"mkv" => "video/x-matroska", |
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"mpeg" => "video/mpeg", |
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"mpe" => "video/mpeg", |
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"mpg" => "video/mpeg", |
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"m4v" => "video/mp4", |
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"mp4" => "video/mp4", |
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"ogv" => "video/ogg", |
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"qt" => "video/quicktime", |
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"mov" => "video/quicktime", |
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"mxu" => "video/vnd.mpegurl", |
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"avi" => "video/x-msvideo", |
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"movie" => "video/x-sgi-movie", |
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"flv" => "video/x-flv", |
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"swf" => "application/x-shockwave-flash", |
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// Audio: |
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"mp3" => "audio/mpeg", |
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"mp4a" => "audio/mp4", |
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"m4a" => "audio/mp4", |
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"oga" => "audio/ogg", |
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"ogg" => "audio/ogg", |
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"flac" => "audio/x-flac", |
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"wav" => "audio/vnd.wave", |
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// Chemical: |
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// MDL Molfile. |
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"mol" => "chemical/x-mdl-molfile", |
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// XYZ format. |
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"xyz" => "chemical/x-xyz", |
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// PDB. |
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"pdb" => "chemical/x-pdb", |
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// ChemDraw CDX. |
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'cdx' => 'chemical/x-cdx', |
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// ChemDraw 3D. |
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"c3d" => "chemical/x-chem3d", |
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// ChemDraw file. |
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"chm" => "chemical/x-chemdraw", |
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// Crystallographic Information File. |
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"cif" => "chemical/x-cif", |
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// Chemical Markup Language. |
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"cml" => "chemical/x-cml", |
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// GAMESS Input. |
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"inp" => "chemical/x-gamess-input", |
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// GAMESS Output. |
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"gam" => "chemical/x-gamess-output", |
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// Gaussian Cube. |
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"cub" => "chemical/x-gaussian-cube", |
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// Gaussian 98/03 Cartesian Input. |
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"gau" => "chemical/x-gaussian-input", |
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// JCAMP Spectroscopic Data Exchange Format. |
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"jdx" => "chemical/x-jcamp-dx", |
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// OpenDX Grid. |
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"dx" => "chemical/x-jcamp-dx", |
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// MOPAC Cartesian. |
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"mop" => "chemical/x-mopac-input", |
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// Compressed formats: |
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// (note: http://svn.cleancode.org/svn/email/trunk/mime.types) |
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"tgz" => "application/x-gzip", |
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"gz" => "application/x-gzip", |
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"tar" => "application/x-tar", |
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"gtar" => "application/x-gtar", |
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"zip" => "application/x-zip", |
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"dat" => "application/octet-stream", |
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// others: |
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'bin' => 'application/octet-stream', |
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// Web Archives: |
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"warc" => "application/warc", |
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"json" => "application/json", |
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); |
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}
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