--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/drupal/includes/file.inc Fri Aug 21 16:26:26 2009 +0000
@@ -0,0 +1,1358 @@
+<?php
+// $Id: file.inc,v 1.121.2.7 2009/06/09 10:37:38 goba Exp $
+
+/**
+ * @file
+ * API for handling file uploads and server file management.
+ */
+
+/**
+ * @defgroup file File interface
+ * @{
+ * Common file handling functions.
+ */
+
+define('FILE_DOWNLOADS_PUBLIC', 1);
+define('FILE_DOWNLOADS_PRIVATE', 2);
+define('FILE_CREATE_DIRECTORY', 1);
+define('FILE_MODIFY_PERMISSIONS', 2);
+define('FILE_EXISTS_RENAME', 0);
+define('FILE_EXISTS_REPLACE', 1);
+define('FILE_EXISTS_ERROR', 2);
+
+/**
+ * A files status can be one of two values: temporary or permanent. The status
+ * for each file Drupal manages is stored in the {files} tables. If the status
+ * is temporary Drupal's file garbage collection will delete the file and
+ * remove it from the files table after a set period of time.
+ *
+ * If you wish to add custom statuses for use by contrib modules please expand as
+ * binary flags and consider the first 8 bits reserved. (0,1,2,4,8,16,32,64,128)
+ */
+define('FILE_STATUS_TEMPORARY', 0);
+define('FILE_STATUS_PERMANENT', 1);
+
+/**
+ * Create the download path to a file.
+ *
+ * @param $path A string containing the path of the file to generate URL for.
+ * @return A string containing a URL that can be used to download the file.
+ */
+function file_create_url($path) {
+ // Strip file_directory_path from $path. We only include relative paths in urls.
+ if (strpos($path, file_directory_path() .'/') === 0) {
+ $path = trim(substr($path, strlen(file_directory_path())), '\\/');
+ }
+ switch (variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC)) {
+ case FILE_DOWNLOADS_PUBLIC:
+ return $GLOBALS['base_url'] .'/'. file_directory_path() .'/'. str_replace('\\', '/', $path);
+ case FILE_DOWNLOADS_PRIVATE:
+ return url('system/files/'. $path, array('absolute' => TRUE));
+ }
+}
+
+/**
+ * Make sure the destination is a complete path and resides in the file system
+ * directory, if it is not prepend the file system directory.
+ *
+ * @param $dest A string containing the path to verify. If this value is
+ * omitted, Drupal's 'files' directory will be used.
+ * @return A string containing the path to file, with file system directory
+ * appended if necessary, or FALSE if the path is invalid (i.e. outside the
+ * configured 'files' or temp directories).
+ */
+function file_create_path($dest = 0) {
+ $file_path = file_directory_path();
+ if (!$dest) {
+ return $file_path;
+ }
+ // file_check_location() checks whether the destination is inside the Drupal files directory.
+ if (file_check_location($dest, $file_path)) {
+ return $dest;
+ }
+ // check if the destination is instead inside the Drupal temporary files directory.
+ else if (file_check_location($dest, file_directory_temp())) {
+ return $dest;
+ }
+ // Not found, try again with prefixed directory path.
+ else if (file_check_location($file_path .'/'. $dest, $file_path)) {
+ return $file_path .'/'. $dest;
+ }
+ // File not found.
+ return FALSE;
+}
+
+/**
+ * Check that the directory exists and is writable. Directories need to
+ * have execute permissions to be considered a directory by FTP servers, etc.
+ *
+ * @param $directory A string containing the name of a directory path.
+ * @param $mode A Boolean value to indicate if the directory should be created
+ * if it does not exist or made writable if it is read-only.
+ * @param $form_item An optional string containing the name of a form item that
+ * any errors will be attached to. This is useful for settings forms that
+ * require the user to specify a writable directory. If it can't be made to
+ * work, a form error will be set preventing them from saving the settings.
+ * @return FALSE when directory not found, or TRUE when directory exists.
+ */
+function file_check_directory(&$directory, $mode = 0, $form_item = NULL) {
+ $directory = rtrim($directory, '/\\');
+
+ // Check if directory exists.
+ if (!is_dir($directory)) {
+ if (($mode & FILE_CREATE_DIRECTORY) && @mkdir($directory)) {
+ drupal_set_message(t('The directory %directory has been created.', array('%directory' => $directory)));
+ @chmod($directory, 0775); // Necessary for non-webserver users.
+ }
+ else {
+ if ($form_item) {
+ form_set_error($form_item, t('The directory %directory does not exist.', array('%directory' => $directory)));
+ }
+ return FALSE;
+ }
+ }
+
+ // Check to see if the directory is writable.
+ if (!is_writable($directory)) {
+ if (($mode & FILE_MODIFY_PERMISSIONS) && @chmod($directory, 0775)) {
+ drupal_set_message(t('The permissions of directory %directory have been changed to make it writable.', array('%directory' => $directory)));
+ }
+ else {
+ form_set_error($form_item, t('The directory %directory is not writable', array('%directory' => $directory)));
+ watchdog('file system', 'The directory %directory is not writable, because it does not have the correct permissions set.', array('%directory' => $directory), WATCHDOG_ERROR);
+ return FALSE;
+ }
+ }
+
+ if ((file_directory_path() == $directory || file_directory_temp() == $directory) && !is_file("$directory/.htaccess")) {
+ $htaccess_lines = "SetHandler Drupal_Security_Do_Not_Remove_See_SA_2006_006\nOptions None\nOptions +FollowSymLinks";
+ if (($fp = fopen("$directory/.htaccess", 'w')) && fputs($fp, $htaccess_lines)) {
+ fclose($fp);
+ chmod($directory .'/.htaccess', 0664);
+ }
+ else {
+ $variables = array('%directory' => $directory, '!htaccess' => '<br />'. nl2br(check_plain($htaccess_lines)));
+ form_set_error($form_item, t("Security warning: Couldn't write .htaccess file. Please create a .htaccess file in your %directory directory which contains the following lines: <code>!htaccess</code>", $variables));
+ watchdog('security', "Security warning: Couldn't write .htaccess file. Please create a .htaccess file in your %directory directory which contains the following lines: <code>!htaccess</code>", $variables, WATCHDOG_ERROR);
+ }
+ }
+
+ return TRUE;
+}
+
+/**
+ * Checks path to see if it is a directory, or a dir/file.
+ *
+ * @param $path A string containing a file path. This will be set to the
+ * directory's path.
+ * @return If the directory is not in a Drupal writable directory, FALSE is
+ * returned. Otherwise, the base name of the path is returned.
+ */
+function file_check_path(&$path) {
+ // Check if path is a directory.
+ if (file_check_directory($path)) {
+ return '';
+ }
+
+ // Check if path is a possible dir/file.
+ $filename = basename($path);
+ $path = dirname($path);
+ if (file_check_directory($path)) {
+ return $filename;
+ }
+
+ return FALSE;
+}
+
+/**
+ * Check if a file is really located inside $directory. Should be used to make
+ * sure a file specified is really located within the directory to prevent
+ * exploits.
+ *
+ * @code
+ * // Returns FALSE:
+ * file_check_location('/www/example.com/files/../../../etc/passwd', '/www/example.com/files');
+ * @endcode
+ *
+ * @param $source A string set to the file to check.
+ * @param $directory A string where the file should be located.
+ * @return 0 for invalid path or the real path of the source.
+ */
+function file_check_location($source, $directory = '') {
+ $check = realpath($source);
+ if ($check) {
+ $source = $check;
+ }
+ else {
+ // This file does not yet exist
+ $source = realpath(dirname($source)) .'/'. basename($source);
+ }
+ $directory = realpath($directory);
+ if ($directory && strpos($source, $directory) !== 0) {
+ return 0;
+ }
+ return $source;
+}
+
+/**
+ * Copies a file to a new location. This is a powerful function that in many ways
+ * performs like an advanced version of copy().
+ * - Checks if $source and $dest are valid and readable/writable.
+ * - Performs a file copy if $source is not equal to $dest.
+ * - If file already exists in $dest either the call will error out, replace the
+ * file or rename the file based on the $replace parameter.
+ *
+ * @param $source A string specifying the file location of the original file.
+ * This parameter will contain the resulting destination filename in case of
+ * success.
+ * @param $dest A string containing the directory $source should be copied to.
+ * If this value is omitted, Drupal's 'files' directory will be used.
+ * @param $replace Replace behavior when the destination file already exists.
+ * - FILE_EXISTS_REPLACE - Replace the existing file
+ * - FILE_EXISTS_RENAME - Append _{incrementing number} until the filename is unique
+ * - FILE_EXISTS_ERROR - Do nothing and return FALSE.
+ * @return True for success, FALSE for failure.
+ */
+function file_copy(&$source, $dest = 0, $replace = FILE_EXISTS_RENAME) {
+ $dest = file_create_path($dest);
+
+ $directory = $dest;
+ $basename = file_check_path($directory);
+
+ // Make sure we at least have a valid directory.
+ if ($basename === FALSE) {
+ $source = is_object($source) ? $source->filepath : $source;
+ drupal_set_message(t('The selected file %file could not be uploaded, because the destination %directory is not properly configured.', array('%file' => $source, '%directory' => $dest)), 'error');
+ watchdog('file system', 'The selected file %file could not be uploaded, because the destination %directory could not be found, or because its permissions do not allow the file to be written.', array('%file' => $source, '%directory' => $dest), WATCHDOG_ERROR);
+ return 0;
+ }
+
+ // Process a file upload object.
+ if (is_object($source)) {
+ $file = $source;
+ $source = $file->filepath;
+ if (!$basename) {
+ $basename = $file->filename;
+ }
+ }
+
+ $source = realpath($source);
+ if (!file_exists($source)) {
+ drupal_set_message(t('The selected file %file could not be copied, because no file by that name exists. Please check that you supplied the correct filename.', array('%file' => $source)), 'error');
+ return 0;
+ }
+
+ // If the destination file is not specified then use the filename of the source file.
+ $basename = $basename ? $basename : basename($source);
+ $dest = $directory .'/'. $basename;
+
+ // Make sure source and destination filenames are not the same, makes no sense
+ // to copy it if they are. In fact copying the file will most likely result in
+ // a 0 byte file. Which is bad. Real bad.
+ if ($source != realpath($dest)) {
+ if (!$dest = file_destination($dest, $replace)) {
+ drupal_set_message(t('The selected file %file could not be copied, because a file by that name already exists in the destination.', array('%file' => $source)), 'error');
+ return FALSE;
+ }
+
+ if (!@copy($source, $dest)) {
+ drupal_set_message(t('The selected file %file could not be copied.', array('%file' => $source)), 'error');
+ return 0;
+ }
+
+ // Give everyone read access so that FTP'd users or
+ // non-webserver users can see/read these files,
+ // and give group write permissions so group members
+ // can alter files uploaded by the webserver.
+ @chmod($dest, 0664);
+ }
+
+ if (isset($file) && is_object($file)) {
+ $file->filename = $basename;
+ $file->filepath = $dest;
+ $source = $file;
+ }
+ else {
+ $source = $dest;
+ }
+
+ return 1; // Everything went ok.
+}
+
+/**
+ * Determines the destination path for a file depending on how replacement of
+ * existing files should be handled.
+ *
+ * @param $destination A string specifying the desired path.
+ * @param $replace Replace behavior when the destination file already exists.
+ * - FILE_EXISTS_REPLACE - Replace the existing file
+ * - FILE_EXISTS_RENAME - Append _{incrementing number} until the filename is
+ * unique
+ * - FILE_EXISTS_ERROR - Do nothing and return FALSE.
+ * @return The destination file path or FALSE if the file already exists and
+ * FILE_EXISTS_ERROR was specified.
+ */
+function file_destination($destination, $replace) {
+ if (file_exists($destination)) {
+ switch ($replace) {
+ case FILE_EXISTS_RENAME:
+ $basename = basename($destination);
+ $directory = dirname($destination);
+ $destination = file_create_filename($basename, $directory);
+ break;
+
+ case FILE_EXISTS_ERROR:
+ drupal_set_message(t('The selected file %file could not be copied, because a file by that name already exists in the destination.', array('%file' => $destination)), 'error');
+ return FALSE;
+ }
+ }
+ return $destination;
+}
+
+/**
+ * Moves a file to a new location.
+ * - Checks if $source and $dest are valid and readable/writable.
+ * - Performs a file move if $source is not equal to $dest.
+ * - If file already exists in $dest either the call will error out, replace the
+ * file or rename the file based on the $replace parameter.
+ *
+ * @param $source A string specifying the file location of the original file.
+ * This parameter will contain the resulting destination filename in case of
+ * success.
+ * @param $dest A string containing the directory $source should be copied to.
+ * If this value is omitted, Drupal's 'files' directory will be used.
+ * @param $replace Replace behavior when the destination file already exists.
+ * - FILE_EXISTS_REPLACE - Replace the existing file
+ * - FILE_EXISTS_RENAME - Append _{incrementing number} until the filename is unique
+ * - FILE_EXISTS_ERROR - Do nothing and return FALSE.
+ * @return True for success, FALSE for failure.
+ */
+function file_move(&$source, $dest = 0, $replace = FILE_EXISTS_RENAME) {
+ $path_original = is_object($source) ? $source->filepath : $source;
+
+ if (file_copy($source, $dest, $replace)) {
+ $path_current = is_object($source) ? $source->filepath : $source;
+
+ if ($path_original == $path_current || file_delete($path_original)) {
+ return 1;
+ }
+ drupal_set_message(t('The removal of the original file %file has failed.', array('%file' => $path_original)), 'error');
+ }
+ return 0;
+}
+
+/**
+ * Munge the filename as needed for security purposes. For instance the file
+ * name "exploit.php.pps" would become "exploit.php_.pps".
+ *
+ * @param $filename The name of a file to modify.
+ * @param $extensions A space separated list of extensions that should not
+ * be altered.
+ * @param $alerts Whether alerts (watchdog, drupal_set_message()) should be
+ * displayed.
+ * @return $filename The potentially modified $filename.
+ */
+function file_munge_filename($filename, $extensions, $alerts = TRUE) {
+ $original = $filename;
+
+ // Allow potentially insecure uploads for very savvy users and admin
+ if (!variable_get('allow_insecure_uploads', 0)) {
+ $whitelist = array_unique(explode(' ', trim($extensions)));
+
+ // Split the filename up by periods. The first part becomes the basename
+ // the last part the final extension.
+ $filename_parts = explode('.', $filename);
+ $new_filename = array_shift($filename_parts); // Remove file basename.
+ $final_extension = array_pop($filename_parts); // Remove final extension.
+
+ // Loop through the middle parts of the name and add an underscore to the
+ // end of each section that could be a file extension but isn't in the list
+ // of allowed extensions.
+ foreach ($filename_parts as $filename_part) {
+ $new_filename .= '.'. $filename_part;
+ if (!in_array($filename_part, $whitelist) && preg_match("/^[a-zA-Z]{2,5}\d?$/", $filename_part)) {
+ $new_filename .= '_';
+ }
+ }
+ $filename = $new_filename .'.'. $final_extension;
+
+ if ($alerts && $original != $filename) {
+ drupal_set_message(t('For security reasons, your upload has been renamed to %filename.', array('%filename' => $filename)));
+ }
+ }
+
+ return $filename;
+}
+
+/**
+ * Undo the effect of upload_munge_filename().
+ *
+ * @param $filename string filename
+ * @return string
+ */
+function file_unmunge_filename($filename) {
+ return str_replace('_.', '.', $filename);
+}
+
+/**
+ * Create a full file path from a directory and filename. If a file with the
+ * specified name already exists, an alternative will be used.
+ *
+ * @param $basename string filename
+ * @param $directory string directory
+ * @return
+ */
+function file_create_filename($basename, $directory) {
+ $dest = $directory .'/'. $basename;
+
+ if (file_exists($dest)) {
+ // Destination file already exists, generate an alternative.
+ if ($pos = strrpos($basename, '.')) {
+ $name = substr($basename, 0, $pos);
+ $ext = substr($basename, $pos);
+ }
+ else {
+ $name = $basename;
+ }
+
+ $counter = 0;
+ do {
+ $dest = $directory .'/'. $name .'_'. $counter++ . $ext;
+ } while (file_exists($dest));
+ }
+
+ return $dest;
+}
+
+/**
+ * Delete a file.
+ *
+ * @param $path A string containing a file path.
+ * @return TRUE for success, FALSE for failure.
+ */
+function file_delete($path) {
+ if (is_file($path)) {
+ return unlink($path);
+ }
+}
+
+/**
+ * Determine total disk space used by a single user or the whole filesystem.
+ *
+ * @param $uid
+ * An optional user id. A NULL value returns the total space used
+ * by all files.
+ */
+function file_space_used($uid = NULL) {
+ if (isset($uid)) {
+ return (int) db_result(db_query('SELECT SUM(filesize) FROM {files} WHERE uid = %d', $uid));
+ }
+ return (int) db_result(db_query('SELECT SUM(filesize) FROM {files}'));
+}
+
+/**
+ * Saves a file upload to a new location. The source file is validated as a
+ * proper upload and handled as such.
+ *
+ * The file will be added to the files table as a temporary file. Temporary files
+ * are periodically cleaned. To make the file permanent file call
+ * file_set_status() to change its status.
+ *
+ * @param $source
+ * A string specifying the name of the upload field to save.
+ * @param $validators
+ * An optional, associative array of callback functions used to validate the
+ * file. The keys are function names and the values arrays of callback
+ * parameters which will be passed in after the file object. The
+ * functions should return an array of error messages; an empty array
+ * indicates that the file passed validation. The functions will be called in
+ * the order specified.
+ * @param $dest
+ * A string containing the directory $source should be copied to. If this is
+ * not provided or is not writable, the temporary directory will be used.
+ * @param $replace
+ * A boolean indicating whether an existing file of the same name in the
+ * destination directory should overwritten. A false value will generate a
+ * new, unique filename in the destination directory.
+ * @return
+ * An object containing the file information, or 0 in the event of an error.
+ */
+function file_save_upload($source, $validators = array(), $dest = FALSE, $replace = FILE_EXISTS_RENAME) {
+ global $user;
+ static $upload_cache;
+
+ // Add in our check of the the file name length.
+ $validators['file_validate_name_length'] = array();
+
+ // Return cached objects without processing since the file will have
+ // already been processed and the paths in _FILES will be invalid.
+ if (isset($upload_cache[$source])) {
+ return $upload_cache[$source];
+ }
+
+ // If a file was uploaded, process it.
+ if (isset($_FILES['files']) && $_FILES['files']['name'][$source] && is_uploaded_file($_FILES['files']['tmp_name'][$source])) {
+ // Check for file upload errors and return FALSE if a
+ // lower level system error occurred.
+ switch ($_FILES['files']['error'][$source]) {
+ // @see http://php.net/manual/en/features.file-upload.errors.php
+ case UPLOAD_ERR_OK:
+ break;
+
+ case UPLOAD_ERR_INI_SIZE:
+ case UPLOAD_ERR_FORM_SIZE:
+ drupal_set_message(t('The file %file could not be saved, because it exceeds %maxsize, the maximum allowed size for uploads.', array('%file' => $source, '%maxsize' => format_size(file_upload_max_size()))), 'error');
+ return 0;
+
+ case UPLOAD_ERR_PARTIAL:
+ case UPLOAD_ERR_NO_FILE:
+ drupal_set_message(t('The file %file could not be saved, because the upload did not complete.', array('%file' => $source)), 'error');
+ return 0;
+
+ // Unknown error
+ default:
+ drupal_set_message(t('The file %file could not be saved. An unknown error has occurred.', array('%file' => $source)), 'error');
+ return 0;
+ }
+
+ // Build the list of non-munged extensions.
+ // @todo: this should not be here. we need to figure out the right place.
+ $extensions = '';
+ foreach ($user->roles as $rid => $name) {
+ $extensions .= ' '. variable_get("upload_extensions_$rid",
+ variable_get('upload_extensions_default', 'jpg jpeg gif png txt html doc xls pdf ppt pps odt ods odp'));
+ }
+
+ // Begin building file object.
+ $file = new stdClass();
+ $file->filename = file_munge_filename(trim(basename($_FILES['files']['name'][$source]), '.'), $extensions);
+ $file->filepath = $_FILES['files']['tmp_name'][$source];
+ $file->filemime = file_get_mimetype($file->filename);
+
+ // Rename potentially executable files, to help prevent exploits.
+ if (preg_match('/\.(php|pl|py|cgi|asp|js)$/i', $file->filename) && (substr($file->filename, -4) != '.txt')) {
+ $file->filemime = 'text/plain';
+ $file->filepath .= '.txt';
+ $file->filename .= '.txt';
+ }
+
+ // If the destination is not provided, or is not writable, then use the
+ // temporary directory.
+ if (empty($dest) || file_check_path($dest) === FALSE) {
+ $dest = file_directory_temp();
+ }
+
+ $file->source = $source;
+ $file->destination = file_destination(file_create_path($dest .'/'. $file->filename), $replace);
+ $file->filesize = $_FILES['files']['size'][$source];
+
+ // Call the validation functions.
+ $errors = array();
+ foreach ($validators as $function => $args) {
+ array_unshift($args, $file);
+ $errors = array_merge($errors, call_user_func_array($function, $args));
+ }
+
+ // Check for validation errors.
+ if (!empty($errors)) {
+ $message = t('The selected file %name could not be uploaded.', array('%name' => $file->filename));
+ if (count($errors) > 1) {
+ $message .= '<ul><li>'. implode('</li><li>', $errors) .'</li></ul>';
+ }
+ else {
+ $message .= ' '. array_pop($errors);
+ }
+ form_set_error($source, $message);
+ return 0;
+ }
+
+ // Move uploaded files from PHP's upload_tmp_dir to Drupal's temporary directory.
+ // This overcomes open_basedir restrictions for future file operations.
+ $file->filepath = $file->destination;
+ if (!move_uploaded_file($_FILES['files']['tmp_name'][$source], $file->filepath)) {
+ form_set_error($source, t('File upload error. Could not move uploaded file.'));
+ watchdog('file', 'Upload error. Could not move uploaded file %file to destination %destination.', array('%file' => $file->filename, '%destination' => $file->filepath));
+ return 0;
+ }
+
+ // If we made it this far it's safe to record this file in the database.
+ $file->uid = $user->uid;
+ $file->status = FILE_STATUS_TEMPORARY;
+ $file->timestamp = time();
+ drupal_write_record('files', $file);
+
+ // Add file to the cache.
+ $upload_cache[$source] = $file;
+ return $file;
+ }
+ return 0;
+}
+
+/**
+ * Check for files with names longer than we can store in the database.
+ *
+ * @param $file
+ * A Drupal file object.
+ * @return
+ * An array. If the file name is too long, it will contain an error message.
+ */
+function file_validate_name_length($file) {
+ $errors = array();
+
+ if (strlen($file->filename) > 255) {
+ $errors[] = t('Its name exceeds the 255 characters limit. Please rename the file and try again.');
+ }
+ return $errors;
+}
+
+/**
+ * Check that the filename ends with an allowed extension. This check is not
+ * enforced for the user #1.
+ *
+ * @param $file
+ * A Drupal file object.
+ * @param $extensions
+ * A string with a space separated
+ * @return
+ * An array. If the file extension is not allowed, it will contain an error message.
+ */
+function file_validate_extensions($file, $extensions) {
+ global $user;
+
+ $errors = array();
+
+ // Bypass validation for uid = 1.
+ if ($user->uid != 1) {
+ $regex = '/\.('. ereg_replace(' +', '|', preg_quote($extensions)) .')$/i';
+ if (!preg_match($regex, $file->filename)) {
+ $errors[] = t('Only files with the following extensions are allowed: %files-allowed.', array('%files-allowed' => $extensions));
+ }
+ }
+ return $errors;
+}
+
+/**
+ * Check that the file's size is below certain limits. This check is not
+ * enforced for the user #1.
+ *
+ * @param $file
+ * A Drupal file object.
+ * @param $file_limit
+ * An integer specifying the maximum file size in bytes. Zero indicates that
+ * no limit should be enforced.
+ * @param $user_limit
+ * An integer specifying the maximum number of bytes the user is allowed. Zero
+ * indicates that no limit should be enforced.
+ * @return
+ * An array. If the file size exceeds limits, it will contain an error message.
+ */
+function file_validate_size($file, $file_limit = 0, $user_limit = 0) {
+ global $user;
+
+ $errors = array();
+
+ // Bypass validation for uid = 1.
+ if ($user->uid != 1) {
+ if ($file_limit && $file->filesize > $file_limit) {
+ $errors[] = t('The file is %filesize exceeding the maximum file size of %maxsize.', array('%filesize' => format_size($file->filesize), '%maxsize' => format_size($file_limit)));
+ }
+
+ // Save a query by only calling file_space_used() when a limit is provided.
+ if ($user_limit && (file_space_used($user->uid) + $file->filesize) > $user_limit) {
+ $errors[] = t('The file is %filesize which would exceed your disk quota of %quota.', array('%filesize' => format_size($file->filesize), '%quota' => format_size($user_limit)));
+ }
+ }
+ return $errors;
+}
+
+/**
+ * Check that the file is recognized by image_get_info() as an image.
+ *
+ * @param $file
+ * A Drupal file object.
+ * @return
+ * An array. If the file is not an image, it will contain an error message.
+ */
+function file_validate_is_image(&$file) {
+ $errors = array();
+
+ $info = image_get_info($file->filepath);
+ if (!$info || empty($info['extension'])) {
+ $errors[] = t('Only JPEG, PNG and GIF images are allowed.');
+ }
+
+ return $errors;
+}
+
+/**
+ * If the file is an image verify that its dimensions are within the specified
+ * maximum and minimum dimensions. Non-image files will be ignored.
+ *
+ * @param $file
+ * A Drupal file object. This function may resize the file affecting its size.
+ * @param $maximum_dimensions
+ * An optional string in the form WIDTHxHEIGHT e.g. '640x480' or '85x85'. If
+ * an image toolkit is installed the image will be resized down to these
+ * dimensions. A value of 0 indicates no restriction on size, so resizing
+ * will be attempted.
+ * @param $minimum_dimensions
+ * An optional string in the form WIDTHxHEIGHT. This will check that the image
+ * meets a minimum size. A value of 0 indicates no restriction.
+ * @return
+ * An array. If the file is an image and did not meet the requirements, it
+ * will contain an error message.
+ */
+function file_validate_image_resolution(&$file, $maximum_dimensions = 0, $minimum_dimensions = 0) {
+ $errors = array();
+
+ // Check first that the file is an image.
+ if ($info = image_get_info($file->filepath)) {
+ if ($maximum_dimensions) {
+ // Check that it is smaller than the given dimensions.
+ list($width, $height) = explode('x', $maximum_dimensions);
+ if ($info['width'] > $width || $info['height'] > $height) {
+ // Try to resize the image to fit the dimensions.
+ if (image_get_toolkit() && image_scale($file->filepath, $file->filepath, $width, $height)) {
+ drupal_set_message(t('The image was resized to fit within the maximum allowed dimensions of %dimensions pixels.', array('%dimensions' => $maximum_dimensions)));
+
+ // Clear the cached filesize and refresh the image information.
+ clearstatcache();
+ $info = image_get_info($file->filepath);
+ $file->filesize = $info['file_size'];
+ }
+ else {
+ $errors[] = t('The image is too large; the maximum dimensions are %dimensions pixels.', array('%dimensions' => $maximum_dimensions));
+ }
+ }
+ }
+
+ if ($minimum_dimensions) {
+ // Check that it is larger than the given dimensions.
+ list($width, $height) = explode('x', $minimum_dimensions);
+ if ($info['width'] < $width || $info['height'] < $height) {
+ $errors[] = t('The image is too small; the minimum dimensions are %dimensions pixels.', array('%dimensions' => $minimum_dimensions));
+ }
+ }
+ }
+
+ return $errors;
+}
+
+/**
+ * Save a string to the specified destination.
+ *
+ * @param $data A string containing the contents of the file.
+ * @param $dest A string containing the destination location.
+ * @param $replace Replace behavior when the destination file already exists.
+ * - FILE_EXISTS_REPLACE - Replace the existing file
+ * - FILE_EXISTS_RENAME - Append _{incrementing number} until the filename is unique
+ * - FILE_EXISTS_ERROR - Do nothing and return FALSE.
+ *
+ * @return A string containing the resulting filename or 0 on error
+ */
+function file_save_data($data, $dest, $replace = FILE_EXISTS_RENAME) {
+ $temp = file_directory_temp();
+ // On Windows, tempnam() requires an absolute path, so we use realpath().
+ $file = tempnam(realpath($temp), 'file');
+ if (!$fp = fopen($file, 'wb')) {
+ drupal_set_message(t('The file could not be created.'), 'error');
+ return 0;
+ }
+ fwrite($fp, $data);
+ fclose($fp);
+
+ if (!file_move($file, $dest, $replace)) {
+ return 0;
+ }
+
+ return $file;
+}
+
+/**
+ * Set the status of a file.
+ *
+ * @param file A Drupal file object
+ * @param status A status value to set the file to.
+ * @return FALSE on failure, TRUE on success and $file->status will contain the
+ * status.
+ */
+function file_set_status(&$file, $status) {
+ if (db_query('UPDATE {files} SET status = %d WHERE fid = %d', $status, $file->fid)) {
+ $file->status = $status;
+ return TRUE;
+ }
+ return FALSE;
+}
+
+/**
+ * Transfer file using http to client. Pipes a file through Drupal to the
+ * client.
+ *
+ * @param $source File to transfer.
+ * @param $headers An array of http headers to send along with file.
+ */
+function file_transfer($source, $headers) {
+ if (ob_get_level()) {
+ ob_end_clean();
+ }
+
+ foreach ($headers as $header) {
+ // To prevent HTTP header injection, we delete new lines that are
+ // not followed by a space or a tab.
+ // See http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.2
+ $header = preg_replace('/\r?\n(?!\t| )/', '', $header);
+ drupal_set_header($header);
+ }
+
+ $source = file_create_path($source);
+
+ // Transfer file in 1024 byte chunks to save memory usage.
+ if ($fd = fopen($source, 'rb')) {
+ while (!feof($fd)) {
+ print fread($fd, 1024);
+ }
+ fclose($fd);
+ }
+ else {
+ drupal_not_found();
+ }
+ exit();
+}
+
+/**
+ * Call modules that implement hook_file_download() to find out if a file is
+ * accessible and what headers it should be transferred with. If a module
+ * returns -1 drupal_access_denied() will be returned. If one or more modules
+ * returned headers the download will start with the returned headers. If no
+ * modules respond drupal_not_found() will be returned.
+ */
+function file_download() {
+ // Merge remainder of arguments from GET['q'], into relative file path.
+ $args = func_get_args();
+ $filepath = implode('/', $args);
+
+ // Maintain compatibility with old ?file=paths saved in node bodies.
+ if (isset($_GET['file'])) {
+ $filepath = $_GET['file'];
+ }
+
+ if (file_exists(file_create_path($filepath))) {
+ $headers = module_invoke_all('file_download', $filepath);
+ if (in_array(-1, $headers)) {
+ return drupal_access_denied();
+ }
+ if (count($headers)) {
+ file_transfer($filepath, $headers);
+ }
+ }
+ return drupal_not_found();
+}
+
+
+/**
+ * Finds all files that match a given mask in a given directory.
+ * Directories and files beginning with a period are excluded; this
+ * prevents hidden files and directories (such as SVN working directories)
+ * from being scanned.
+ *
+ * @param $dir
+ * The base directory for the scan, without trailing slash.
+ * @param $mask
+ * The regular expression of the files to find.
+ * @param $nomask
+ * An array of files/directories to ignore.
+ * @param $callback
+ * The callback function to call for each match.
+ * @param $recurse
+ * When TRUE, the directory scan will recurse the entire tree
+ * starting at the provided directory.
+ * @param $key
+ * The key to be used for the returned array of files. Possible
+ * values are "filename", for the path starting with $dir,
+ * "basename", for the basename of the file, and "name" for the name
+ * of the file without an extension.
+ * @param $min_depth
+ * Minimum depth of directories to return files from.
+ * @param $depth
+ * Current depth of recursion. This parameter is only used internally and should not be passed.
+ *
+ * @return
+ * An associative array (keyed on the provided key) of objects with
+ * "path", "basename", and "name" members corresponding to the
+ * matching files.
+ */
+function file_scan_directory($dir, $mask, $nomask = array('.', '..', 'CVS'), $callback = 0, $recurse = TRUE, $key = 'filename', $min_depth = 0, $depth = 0) {
+ $key = (in_array($key, array('filename', 'basename', 'name')) ? $key : 'filename');
+ $files = array();
+
+ if (is_dir($dir) && $handle = opendir($dir)) {
+ while (FALSE !== ($file = readdir($handle))) {
+ if (!in_array($file, $nomask) && $file[0] != '.') {
+ if (is_dir("$dir/$file") && $recurse) {
+ // Give priority to files in this folder by merging them in after any subdirectory files.
+ $files = array_merge(file_scan_directory("$dir/$file", $mask, $nomask, $callback, $recurse, $key, $min_depth, $depth + 1), $files);
+ }
+ elseif ($depth >= $min_depth && ereg($mask, $file)) {
+ // Always use this match over anything already set in $files with the same $$key.
+ $filename = "$dir/$file";
+ $basename = basename($file);
+ $name = substr($basename, 0, strrpos($basename, '.'));
+ $files[$$key] = new stdClass();
+ $files[$$key]->filename = $filename;
+ $files[$$key]->basename = $basename;
+ $files[$$key]->name = $name;
+ if ($callback) {
+ $callback($filename);
+ }
+ }
+ }
+ }
+
+ closedir($handle);
+ }
+
+ return $files;
+}
+
+/**
+ * Determine the default temporary directory.
+ *
+ * @return A string containing a temp directory.
+ */
+function file_directory_temp() {
+ $temporary_directory = variable_get('file_directory_temp', NULL);
+
+ if (is_null($temporary_directory)) {
+ $directories = array();
+
+ // Has PHP been set with an upload_tmp_dir?
+ if (ini_get('upload_tmp_dir')) {
+ $directories[] = ini_get('upload_tmp_dir');
+ }
+
+ // Operating system specific dirs.
+ if (substr(PHP_OS, 0, 3) == 'WIN') {
+ $directories[] = 'c:\\windows\\temp';
+ $directories[] = 'c:\\winnt\\temp';
+ $path_delimiter = '\\';
+ }
+ else {
+ $directories[] = '/tmp';
+ $path_delimiter = '/';
+ }
+
+ foreach ($directories as $directory) {
+ if (!$temporary_directory && is_dir($directory)) {
+ $temporary_directory = $directory;
+ }
+ }
+
+ // if a directory has been found, use it, otherwise default to 'files/tmp' or 'files\\tmp';
+ $temporary_directory = $temporary_directory ? $temporary_directory : file_directory_path() . $path_delimiter .'tmp';
+ variable_set('file_directory_temp', $temporary_directory);
+ }
+
+ return $temporary_directory;
+}
+
+/**
+ * Determine the default 'files' directory.
+ *
+ * @return A string containing the path to Drupal's 'files' directory.
+ */
+function file_directory_path() {
+ return variable_get('file_directory_path', conf_path() .'/files');
+}
+
+/**
+ * Determine the maximum file upload size by querying the PHP settings.
+ *
+ * @return
+ * A file size limit in bytes based on the PHP upload_max_filesize and post_max_size
+ */
+function file_upload_max_size() {
+ static $max_size = -1;
+
+ if ($max_size < 0) {
+ $upload_max = parse_size(ini_get('upload_max_filesize'));
+ $post_max = parse_size(ini_get('post_max_size'));
+ $max_size = ($upload_max < $post_max) ? $upload_max : $post_max;
+ }
+ return $max_size;
+}
+
+/**
+ * Determine an Internet Media Type, or MIME type from a filename.
+ *
+ * @param $filename
+ * Name of the file, including extension.
+ * @param $mapping
+ * An optional array of extension to media type mappings in the form
+ * 'extension1|extension2|...' => 'type'.
+ *
+ * @return
+ * The internet media type registered for the extension or application/octet-stream for unknown extensions.
+ */
+function file_get_mimetype($filename, $mapping = NULL) {
+ if (!is_array($mapping)) {
+ $mapping = variable_get('mime_extension_mapping', array(
+ 'ez' => 'application/andrew-inset',
+ 'atom' => 'application/atom',
+ 'atomcat' => 'application/atomcat+xml',
+ 'atomsrv' => 'application/atomserv+xml',
+ 'cap|pcap' => 'application/cap',
+ 'cu' => 'application/cu-seeme',
+ 'tsp' => 'application/dsptype',
+ 'spl' => 'application/x-futuresplash',
+ 'hta' => 'application/hta',
+ 'jar' => 'application/java-archive',
+ 'ser' => 'application/java-serialized-object',
+ 'class' => 'application/java-vm',
+ 'hqx' => 'application/mac-binhex40',
+ 'cpt' => 'image/x-corelphotopaint',
+ 'nb' => 'application/mathematica',
+ 'mdb' => 'application/msaccess',
+ 'doc|dot' => 'application/msword',
+ 'bin' => 'application/octet-stream',
+ 'oda' => 'application/oda',
+ 'ogg|ogx' => 'application/ogg',
+ 'pdf' => 'application/pdf',
+ 'key' => 'application/pgp-keys',
+ 'pgp' => 'application/pgp-signature',
+ 'prf' => 'application/pics-rules',
+ 'ps|ai|eps' => 'application/postscript',
+ 'rar' => 'application/rar',
+ 'rdf' => 'application/rdf+xml',
+ 'rss' => 'application/rss+xml',
+ 'rtf' => 'application/rtf',
+ 'smi|smil' => 'application/smil',
+ 'wpd' => 'application/wordperfect',
+ 'wp5' => 'application/wordperfect5.1',
+ 'xhtml|xht' => 'application/xhtml+xml',
+ 'xml|xsl' => 'application/xml',
+ 'zip' => 'application/zip',
+ 'cdy' => 'application/vnd.cinderella',
+ 'kml' => 'application/vnd.google-earth.kml+xml',
+ 'kmz' => 'application/vnd.google-earth.kmz',
+ 'xul' => 'application/vnd.mozilla.xul+xml',
+ 'xls|xlb|xlt' => 'application/vnd.ms-excel',
+ 'cat' => 'application/vnd.ms-pki.seccat',
+ 'stl' => 'application/vnd.ms-pki.stl',
+ 'ppt|pps' => 'application/vnd.ms-powerpoint',
+ 'odc' => 'application/vnd.oasis.opendocument.chart',
+ 'odb' => 'application/vnd.oasis.opendocument.database',
+ 'odf' => 'application/vnd.oasis.opendocument.formula',
+ 'odg' => 'application/vnd.oasis.opendocument.graphics',
+ 'otg' => 'application/vnd.oasis.opendocument.graphics-template',
+ 'odi' => 'application/vnd.oasis.opendocument.image',
+ 'odp' => 'application/vnd.oasis.opendocument.presentation',
+ 'otp' => 'application/vnd.oasis.opendocument.presentation-template',
+ 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
+ 'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
+ 'odt' => 'application/vnd.oasis.opendocument.text',
+ 'odm' => 'application/vnd.oasis.opendocument.text-master',
+ 'ott' => 'application/vnd.oasis.opendocument.text-template',
+ 'oth' => 'application/vnd.oasis.opendocument.text-web',
+ 'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
+ 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+ 'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
+ 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+ 'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
+ 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+ 'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
+ 'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
+ 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+ 'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
+ 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+ 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
+ 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+ 'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
+ 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+ 'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
+ 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+ 'cod' => 'application/vnd.rim.cod',
+ 'mmf' => 'application/vnd.smaf',
+ 'sdc' => 'application/vnd.stardivision.calc',
+ 'sds' => 'application/vnd.stardivision.chart',
+ 'sda' => 'application/vnd.stardivision.draw',
+ 'sdd' => 'application/vnd.stardivision.impress',
+ 'sdf' => 'application/vnd.stardivision.math',
+ 'sdw' => 'application/vnd.stardivision.writer',
+ 'sgl' => 'application/vnd.stardivision.writer-global',
+ 'sxc' => 'application/vnd.sun.xml.calc',
+ 'stc' => 'application/vnd.sun.xml.calc.template',
+ 'sxd' => 'application/vnd.sun.xml.draw',
+ 'std' => 'application/vnd.sun.xml.draw.template',
+ 'sxi' => 'application/vnd.sun.xml.impress',
+ 'sti' => 'application/vnd.sun.xml.impress.template',
+ 'sxm' => 'application/vnd.sun.xml.math',
+ 'sxw' => 'application/vnd.sun.xml.writer',
+ 'sxg' => 'application/vnd.sun.xml.writer.global',
+ 'stw' => 'application/vnd.sun.xml.writer.template',
+ 'sis' => 'application/vnd.symbian.install',
+ 'vsd' => 'application/vnd.visio',
+ 'wbxml' => 'application/vnd.wap.wbxml',
+ 'wmlc' => 'application/vnd.wap.wmlc',
+ 'wmlsc' => 'application/vnd.wap.wmlscriptc',
+ 'wk' => 'application/x-123',
+ '7z' => 'application/x-7z-compressed',
+ 'abw' => 'application/x-abiword',
+ 'dmg' => 'application/x-apple-diskimage',
+ 'bcpio' => 'application/x-bcpio',
+ 'torrent' => 'application/x-bittorrent',
+ 'cab' => 'application/x-cab',
+ 'cbr' => 'application/x-cbr',
+ 'cbz' => 'application/x-cbz',
+ 'cdf' => 'application/x-cdf',
+ 'vcd' => 'application/x-cdlink',
+ 'pgn' => 'application/x-chess-pgn',
+ 'cpio' => 'application/x-cpio',
+ 'csh' => 'text/x-csh',
+ 'deb|udeb' => 'application/x-debian-package',
+ 'dcr|dir|dxr' => 'application/x-director',
+ 'dms' => 'application/x-dms',
+ 'wad' => 'application/x-doom',
+ 'dvi' => 'application/x-dvi',
+ 'rhtml' => 'application/x-httpd-eruby',
+ 'flac' => 'application/x-flac',
+ 'pfa|pfb|gsf|pcf|pcf.Z' => 'application/x-font',
+ 'mm' => 'application/x-freemind',
+ 'gnumeric' => 'application/x-gnumeric',
+ 'sgf' => 'application/x-go-sgf',
+ 'gcf' => 'application/x-graphing-calculator',
+ 'gtar|tgz|taz' => 'application/x-gtar',
+ 'hdf' => 'application/x-hdf',
+ 'phtml|pht|php' => 'application/x-httpd-php',
+ 'phps' => 'application/x-httpd-php-source',
+ 'php3' => 'application/x-httpd-php3',
+ 'php3p' => 'application/x-httpd-php3-preprocessed',
+ 'php4' => 'application/x-httpd-php4',
+ 'ica' => 'application/x-ica',
+ 'ins|isp' => 'application/x-internet-signup',
+ 'iii' => 'application/x-iphone',
+ 'iso' => 'application/x-iso9660-image',
+ 'jnlp' => 'application/x-java-jnlp-file',
+ 'js' => 'application/x-javascript',
+ 'jmz' => 'application/x-jmol',
+ 'chrt' => 'application/x-kchart',
+ 'kil' => 'application/x-killustrator',
+ 'skp|skd|skt|skm' => 'application/x-koan',
+ 'kpr|kpt' => 'application/x-kpresenter',
+ 'ksp' => 'application/x-kspread',
+ 'kwd|kwt' => 'application/x-kword',
+ 'latex' => 'application/x-latex',
+ 'lha' => 'application/x-lha',
+ 'lyx' => 'application/x-lyx',
+ 'lzh' => 'application/x-lzh',
+ 'lzx' => 'application/x-lzx',
+ 'frm|maker|frame|fm|fb|book|fbdoc' => 'application/x-maker',
+ 'mif' => 'application/x-mif',
+ 'wmd' => 'application/x-ms-wmd',
+ 'wmz' => 'application/x-ms-wmz',
+ 'com|exe|bat|dll' => 'application/x-msdos-program',
+ 'msi' => 'application/x-msi',
+ 'nc' => 'application/x-netcdf',
+ 'pac' => 'application/x-ns-proxy-autoconfig',
+ 'nwc' => 'application/x-nwc',
+ 'o' => 'application/x-object',
+ 'oza' => 'application/x-oz-application',
+ 'p7r' => 'application/x-pkcs7-certreqresp',
+ 'crl' => 'application/x-pkcs7-crl',
+ 'pyc|pyo' => 'application/x-python-code',
+ 'qtl' => 'application/x-quicktimeplayer',
+ 'rpm' => 'application/x-redhat-package-manager',
+ 'sh' => 'text/x-sh',
+ 'shar' => 'application/x-shar',
+ 'swf|swfl' => 'application/x-shockwave-flash',
+ 'sit|sitx' => 'application/x-stuffit',
+ 'sv4cpio' => 'application/x-sv4cpio',
+ 'sv4crc' => 'application/x-sv4crc',
+ 'tar' => 'application/x-tar',
+ 'tcl' => 'application/x-tcl',
+ 'gf' => 'application/x-tex-gf',
+ 'pk' => 'application/x-tex-pk',
+ 'texinfo|texi' => 'application/x-texinfo',
+ '~|%|bak|old|sik' => 'application/x-trash',
+ 't|tr|roff' => 'application/x-troff',
+ 'man' => 'application/x-troff-man',
+ 'me' => 'application/x-troff-me',
+ 'ms' => 'application/x-troff-ms',
+ 'ustar' => 'application/x-ustar',
+ 'src' => 'application/x-wais-source',
+ 'wz' => 'application/x-wingz',
+ 'crt' => 'application/x-x509-ca-cert',
+ 'xcf' => 'application/x-xcf',
+ 'fig' => 'application/x-xfig',
+ 'xpi' => 'application/x-xpinstall',
+ 'au|snd' => 'audio/basic',
+ 'mid|midi|kar' => 'audio/midi',
+ 'mpga|mpega|mp2|mp3|m4a' => 'audio/mpeg',
+ 'm3u' => 'audio/x-mpegurl',
+ 'oga|spx' => 'audio/ogg',
+ 'sid' => 'audio/prs.sid',
+ 'aif|aiff|aifc' => 'audio/x-aiff',
+ 'gsm' => 'audio/x-gsm',
+ 'wma' => 'audio/x-ms-wma',
+ 'wax' => 'audio/x-ms-wax',
+ 'ra|rm|ram' => 'audio/x-pn-realaudio',
+ 'ra' => 'audio/x-realaudio',
+ 'pls' => 'audio/x-scpls',
+ 'sd2' => 'audio/x-sd2',
+ 'wav' => 'audio/x-wav',
+ 'alc' => 'chemical/x-alchemy',
+ 'cac|cache' => 'chemical/x-cache',
+ 'csf' => 'chemical/x-cache-csf',
+ 'cbin|cascii|ctab' => 'chemical/x-cactvs-binary',
+ 'cdx' => 'chemical/x-cdx',
+ 'cer' => 'chemical/x-cerius',
+ 'c3d' => 'chemical/x-chem3d',
+ 'chm' => 'chemical/x-chemdraw',
+ 'cif' => 'chemical/x-cif',
+ 'cmdf' => 'chemical/x-cmdf',
+ 'cml' => 'chemical/x-cml',
+ 'cpa' => 'chemical/x-compass',
+ 'bsd' => 'chemical/x-crossfire',
+ 'csml|csm' => 'chemical/x-csml',
+ 'ctx' => 'chemical/x-ctx',
+ 'cxf|cef' => 'chemical/x-cxf',
+ 'emb|embl' => 'chemical/x-embl-dl-nucleotide',
+ 'spc' => 'chemical/x-galactic-spc',
+ 'inp|gam|gamin' => 'chemical/x-gamess-input',
+ 'fch|fchk' => 'chemical/x-gaussian-checkpoint',
+ 'cub' => 'chemical/x-gaussian-cube',
+ 'gau|gjc|gjf' => 'chemical/x-gaussian-input',
+ 'gal' => 'chemical/x-gaussian-log',
+ 'gcg' => 'chemical/x-gcg8-sequence',
+ 'gen' => 'chemical/x-genbank',
+ 'hin' => 'chemical/x-hin',
+ 'istr|ist' => 'chemical/x-isostar',
+ 'jdx|dx' => 'chemical/x-jcamp-dx',
+ 'kin' => 'chemical/x-kinemage',
+ 'mcm' => 'chemical/x-macmolecule',
+ 'mmd|mmod' => 'chemical/x-macromodel-input',
+ 'mol' => 'chemical/x-mdl-molfile',
+ 'rd' => 'chemical/x-mdl-rdfile',
+ 'rxn' => 'chemical/x-mdl-rxnfile',
+ 'sd|sdf' => 'chemical/x-mdl-sdfile',
+ 'tgf' => 'chemical/x-mdl-tgf',
+ 'mcif' => 'chemical/x-mmcif',
+ 'mol2' => 'chemical/x-mol2',
+ 'b' => 'chemical/x-molconn-Z',
+ 'gpt' => 'chemical/x-mopac-graph',
+ 'mop|mopcrt|mpc|dat|zmt' => 'chemical/x-mopac-input',
+ 'moo' => 'chemical/x-mopac-out',
+ 'mvb' => 'chemical/x-mopac-vib',
+ 'asn' => 'chemical/x-ncbi-asn1-spec',
+ 'prt|ent' => 'chemical/x-ncbi-asn1-ascii',
+ 'val|aso' => 'chemical/x-ncbi-asn1-binary',
+ 'pdb|ent' => 'chemical/x-pdb',
+ 'ros' => 'chemical/x-rosdal',
+ 'sw' => 'chemical/x-swissprot',
+ 'vms' => 'chemical/x-vamas-iso14976',
+ 'vmd' => 'chemical/x-vmd',
+ 'xtel' => 'chemical/x-xtel',
+ 'xyz' => 'chemical/x-xyz',
+ 'gif' => 'image/gif',
+ 'ief' => 'image/ief',
+ 'jpeg|jpg|jpe' => 'image/jpeg',
+ 'pcx' => 'image/pcx',
+ 'png' => 'image/png',
+ 'svg|svgz' => 'image/svg+xml',
+ 'tiff|tif' => 'image/tiff',
+ 'djvu|djv' => 'image/vnd.djvu',
+ 'wbmp' => 'image/vnd.wap.wbmp',
+ 'ras' => 'image/x-cmu-raster',
+ 'cdr' => 'image/x-coreldraw',
+ 'pat' => 'image/x-coreldrawpattern',
+ 'cdt' => 'image/x-coreldrawtemplate',
+ 'ico' => 'image/x-icon',
+ 'art' => 'image/x-jg',
+ 'jng' => 'image/x-jng',
+ 'bmp' => 'image/x-ms-bmp',
+ 'psd' => 'image/x-photoshop',
+ '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-xwindowdump',
+ 'eml' => 'message/rfc822',
+ 'igs|iges' => 'model/iges',
+ 'msh|mesh|silo' => 'model/mesh',
+ 'wrl|vrml' => 'model/vrml',
+ 'ics|icz' => 'text/calendar',
+ 'css' => 'text/css',
+ 'csv' => 'text/csv',
+ '323' => 'text/h323',
+ 'html|htm|shtml' => 'text/html',
+ 'uls' => 'text/iuls',
+ 'mml' => 'text/mathml',
+ 'asc|txt|text|pot' => 'text/plain',
+ 'rtx' => 'text/richtext',
+ 'sct|wsc' => 'text/scriptlet',
+ 'tm|ts' => 'text/texmacs',
+ 'tsv' => 'text/tab-separated-values',
+ 'jad' => 'text/vnd.sun.j2me.app-descriptor',
+ 'wml' => 'text/vnd.wap.wml',
+ 'wmls' => 'text/vnd.wap.wmlscript',
+ 'bib' => 'text/x-bibtex',
+ 'boo' => 'text/x-boo',
+ 'h++|hpp|hxx|hh' => 'text/x-c++hdr',
+ 'c++|cpp|cxx|cc' => 'text/x-c++src',
+ 'h' => 'text/x-chdr',
+ 'htc' => 'text/x-component',
+ 'c' => 'text/x-csrc',
+ 'd' => 'text/x-dsrc',
+ 'diff|patch' => 'text/x-diff',
+ 'hs' => 'text/x-haskell',
+ 'java' => 'text/x-java',
+ 'lhs' => 'text/x-literate-haskell',
+ 'moc' => 'text/x-moc',
+ 'p|pas' => 'text/x-pascal',
+ 'gcd' => 'text/x-pcs-gcd',
+ 'pl|pm' => 'text/x-perl',
+ 'py' => 'text/x-python',
+ 'etx' => 'text/x-setext',
+ 'tcl|tk' => 'text/x-tcl',
+ 'tex|ltx|sty|cls' => 'text/x-tex',
+ 'vcs' => 'text/x-vcalendar',
+ 'vcf' => 'text/x-vcard',
+ '3gp' => 'video/3gpp',
+ 'dl' => 'video/dl',
+ 'dif|dv' => 'video/dv',
+ 'fli' => 'video/fli',
+ 'gl' => 'video/gl',
+ 'mpeg|mpg|mpe' => 'video/mpeg',
+ 'mp4' => 'video/mp4',
+ 'ogv' => 'video/ogg',
+ 'qt|mov' => 'video/quicktime',
+ 'mxu' => 'video/vnd.mpegurl',
+ 'lsf|lsx' => 'video/x-la-asf',
+ 'mng' => 'video/x-mng',
+ 'asf|asx' => 'video/x-ms-asf',
+ 'wm' => 'video/x-ms-wm',
+ 'wmv' => 'video/x-ms-wmv',
+ 'wmx' => 'video/x-ms-wmx',
+ 'wvx' => 'video/x-ms-wvx',
+ 'avi' => 'video/x-msvideo',
+ 'movie' => 'video/x-sgi-movie',
+ 'ice' => 'x-conference/x-cooltalk',
+ 'sisx' => 'x-epoc/x-sisx-app',
+ 'vrm|vrml|wrl' => 'x-world/x-vrml',
+ 'xps' => 'application/vnd.ms-xpsdocument',
+ ));
+ }
+ foreach ($mapping as $ext_preg => $mime_match) {
+ if (preg_match('!\.('. $ext_preg .')$!i', $filename)) {
+ return $mime_match;
+ }
+ }
+
+ return 'application/octet-stream';
+}
+
+/**
+ * @} End of "defgroup file".
+ */