Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
/**
* @file
* Mimetype specific utility functions.
*/
/**
* Retrieve the correct file extension for a give mimetype.
*
* @param string $mimetype
* The mimetype whose extension is required.
*
* @return string
* The extension mapped to the given mimetype. Defaults to 'bin'.
*/
function islandora_get_extension_for_mimetype($mimetype) {
// file.mimetypes.inc is a part of Drupal core, however is not
// automatically loaded. Manually require it.
require_once DRUPAL_ROOT . "/includes/file.mimetypes.inc";
$extension = 'bin';
$mimetype_mapping = file_mimetype_mapping();
$extension_index = array_search($mimetype, $mimetype_mapping['mimetypes']);
if ($extension_index !== FALSE) {
// Reversing such that any altered values take precedence over the default
// mappings.
$mime_array_flipped = array_reverse($mimetype_mapping['extensions']);
$extension = array_search($extension_index, $mime_array_flipped);
}
// We can only have one mapping in drupal for 'xml'.
if ($mimetype == "text/xml") {
return "xml";
}
return $extension;
}
/**
* Retrieve all file extensions for a give mimetype.
*
* @param string $mimetype
* The mimetype whose extensions are required.
*
* @return array
* All known legal extensions.
*/
function islandora_get_extensions_for_mimetype($mimetype) {
// file.mimetypes.inc is a part of Drupal core, however is not
// automatically loaded. Manually require it.
require_once DRUPAL_ROOT . "/includes/file.mimetypes.inc";
$mimetype_mapping = file_mimetype_mapping();
$index = array_search($mimetype, $mimetype_mapping['mimetypes']);
$extensions = array();
if ($index !== FALSE) {
$extensions = array_keys($mimetype_mapping['extensions'], $index);
}
// We can only have one mapping in drupal for 'xml'.
if ($mimetype == "text/xml") {
$extensions[] = 'xml';
}
return $extensions;
10 years ago
}
/**
* Extensions for the mimes accepted by a datastream.
*
* @param AbstractObject $object
* Object to check for extensions.
* @param string $dsid
* Datastream ID to check for extensions.
*
* @return string[]
* Extensions for the mimes accepted by the datastream ID on the object.
*/
function islandora_get_extensions_for_datastream(AbstractObject $object, $dsid) {
module_load_include('inc', 'islandora', 'includes/utilities');
$datastream_mime_map = islandora_get_datastreams_requirements_from_models($object->models);
$mimes = isset($datastream_mime_map[$dsid]) ? $datastream_mime_map[$dsid]['mime'] : array();
// If no restriction set via DS-COMPOSITE-MODEL return an empty array.
if (empty($mimes)) {
return array();
}
if (isset($object[$dsid])) {
$current_mime = $object[$dsid]->mimetype;
if (!in_array($current_mime, $mimes)) {
$mimes[] = $current_mime;
}
}
$extensions = array();
foreach ($mimes as $mime) {
$extensions = array_merge($extensions, islandora_get_extensions_for_mimetype($mime));
}
return array_unique($extensions);
}
/**
* Retrieve custom Islandora mime mappings.
*
* Our mime needs are rather extreme and we need to modify/extend Drupal's map.
*/
function islandora_mime_mapping() {
return array(
// Openoffice:
'odb' => 'application/vnd.oasis.opendocument.database',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odf' => 'application/vnd.oasis.opendocument.formula',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odi' => 'application/vnd.oasis.opendocument.image',
'odm' => 'application/vnd.oasis.opendocument.text-master',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odt' => 'application/vnd.oasis.opendocument.text',
'otg' => 'application/vnd.oasis.opendocument.graphics-template',
'oth' => 'application/vnd.oasis.opendocument.text-web',
'otp' => 'application/vnd.oasis.opendocument.presentation-template',
'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
'ott' => 'application/vnd.oasis.opendocument.text-template',
// Staroffice:
'stc' => 'application/vnd.sun.xml.calc.template',
'std' => 'application/vnd.sun.xml.draw.template',
'sti' => 'application/vnd.sun.xml.impress.template',
'stw' => 'application/vnd.sun.xml.writer.template',
'sxc' => 'application/vnd.sun.xml.calc',
'sxd' => 'application/vnd.sun.xml.draw',
'sxg' => 'application/vnd.sun.xml.writer.global',
'sxi' => 'application/vnd.sun.xml.impress',
'sxm' => 'application/vnd.sun.xml.math',
'sxw' => 'application/vnd.sun.xml.writer',
// K-office:
'kil' => 'application/x-killustrator',
'kpt' => 'application/x-kpresenter',
'kpr' => 'application/x-kpresenter',
'ksp' => 'application/x-kspread',
'kwt' => 'application/x-kword',
'kwd' => 'application/x-kword',
// Ms office 97:
'doc' => 'application/msword',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
// Office2007:
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
// Wordperfect (who cares?):
'wpd' => 'application/wordperfect',
// Common and generic containers:
'pdf' => 'application/pdf',
'eps' => 'application/postscript',
'ps' => 'application/postscript',
'rtf' => 'text/rtf',
'rtx' => 'text/richtext',
'latex' => 'application/x-latex',
'tex' => 'application/x-tex',
'texi' => 'application/x-texinfo',
'texinfo' => 'application/x-texinfo',
// *ml:
'css' => 'text/css',
'htm' => 'text/html',
'html' => 'text/html',
'wbxml' => 'application/vnd.wap.wbxml',
'xht' => 'application/xhtml+xml',
'xhtml' => 'application/xhtml+xml',
'xsl' => 'text/xsl',
'xslt' => 'text/xsl',
'csv' => 'text/csv',
'tsv' => 'text/tab-separated-values',
'txt' => 'text/plain',
// images:
"bmp" => "image/bmp",
'dng' => 'image/x-adobe-dng',
"gif" => "image/gif",
"ief" => "image/ief",
"jpeg" => "image/jpeg",
"jpe" => "image/jpeg",
"jpg" => "image/jpeg",
"jp2" => "image/jp2",
"png" => "image/png",
"tiff" => "image/tiff",
"tif" => "image/tiff",
"djvu" => "image/vnd.djvu",
"djv" => "image/vnd.djvu",
"wbmp" => "image/vnd.wap.wbmp",
"ras" => "image/x-cmu-raster",
"pnm" => "image/x-portable-anymap",
"pbm" => "image/x-portable-bitmap",
"pgm" => "image/x-portable-graymap",
"ppm" => "image/x-portable-pixmap",
"rgb" => "image/x-rgb",
"xbm" => "image/x-xbitmap",
"xpm" => "image/x-xpixmap",
"xwd" => "image/x-windowdump",
// videos:
"mkv" => "video/x-matroska",
"mpeg" => "video/mpeg",
"mpe" => "video/mpeg",
"mpg" => "video/mpeg",
"m4v" => "video/mp4",
"mp4" => "video/mp4",
"ogv" => "video/ogg",
"qt" => "video/quicktime",
"mov" => "video/quicktime",
"mxu" => "video/vnd.mpegurl",
"avi" => "video/x-msvideo",
"movie" => "video/x-sgi-movie",
"flv" => "video/x-flv",
"swf" => "application/x-shockwave-flash",
// Audio:
"mp3" => "audio/mpeg",
"mp4a" => "audio/mp4",
"m4a" => "audio/mp4",
"oga" => "audio/ogg",
"ogg" => "audio/ogg",
"flac" => "audio/x-flac",
"wav" => "audio/vnd.wave",
// Chemical:
// MDL Molfile.
"mol" => "chemical/x-mdl-molfile",
// XYZ format.
"xyz" => "chemical/x-xyz",
// PDB.
"pdb" => "chemical/x-pdb",
// ChemDraw CDX.
'cdx' => 'chemical/x-cdx',
// ChemDraw 3D.
"c3d" => "chemical/x-chem3d",
// ChemDraw file.
"chm" => "chemical/x-chemdraw",
// Crystallographic Information File.
"cif" => "chemical/x-cif",
// Chemical Markup Language.
"cml" => "chemical/x-cml",
// GAMESS Input.
"inp" => "chemical/x-gamess-input",
// GAMESS Output.
"gam" => "chemical/x-gamess-output",
// Gaussian Cube.
"cub" => "chemical/x-gaussian-cube",
// Gaussian 98/03 Cartesian Input.
"gau" => "chemical/x-gaussian-input",
// JCAMP Spectroscopic Data Exchange Format.
"jdx" => "chemical/x-jcamp-dx",
// OpenDX Grid.
"dx" => "chemical/x-jcamp-dx",
// MOPAC Cartesian.
"mop" => "chemical/x-mopac-input",
// Compressed formats:
// (note: http://svn.cleancode.org/svn/email/trunk/mime.types)
"tgz" => "application/x-gzip",
"gz" => "application/x-gzip",
"tar" => "application/x-tar",
"gtar" => "application/x-gtar",
"zip" => "application/x-zip",
"dat" => "application/octet-stream",
// others:
'bin' => 'application/octet-stream',
// Web Archives:
"warc" => "application/warc",
"json" => "application/json",
// JSON-LD.
"jsonld" => "application/ld+json",
);
}