--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/drupal/modules/imce/inc/page.inc Fri Aug 21 16:26:26 2009 +0000
@@ -0,0 +1,1004 @@
+<?php
+// $Id: page.inc,v 1.10.2.21 2009/02/20 00:44:05 ufku Exp $
+
+/**
+ * q = imce.
+ */
+function imce_page() {
+ $jsop = isset($_GET['jsop']) ? $_GET['jsop'] : NULL;
+ print theme('imce_page', imce_content($GLOBALS['user'], $jsop));
+ exit();
+}
+
+/**
+ * q = user/x/imce.
+ */
+function imce_user_page($account) {
+ drupal_set_title($account->name);
+ $jsop = isset($_GET['jsop']) ? $_GET['jsop'] : NULL;
+ return imce_content($account, $jsop);
+}
+
+/**
+ * Content of the file browser.
+ */
+function imce_content($user, $jsop = '') {
+
+ //execute ajax calls.
+ if ($jsop) {
+ return imce_js($user, $jsop);
+ }
+
+ //initiate configuration profile
+ if (!$imce = imce_initiate_profile($user)) {
+ return '';
+ }
+ imce_process_profile($imce);//get active directory content
+
+ //Before creating the content let's add main files required for imce to function properly.
+ drupal_add_js('misc/jquery.form.js');
+ drupal_add_js(drupal_get_path('module', 'imce') .'/js/imce.js');
+
+ //process forms.
+ //reference imce inside an array so it will stay referenced during argument copy of drupal_get_form
+ //when php4-support drops(dr7?), use an object with no reference.
+ $imce_ref = array('imce' => &$imce);
+ $forms = '';
+
+ if (!$imce['error']) {
+ //process file upload.
+ if (imce_perm_exists($imce, 'upload')) {
+ $forms .= drupal_get_form('imce_upload_form', $imce_ref);
+ }
+ //process file operations.
+ $forms .= drupal_get_form('imce_fileop_form', $imce_ref);
+ }
+
+ //run custom content functions. possible to insert extra forms. content is invisible when js is enabled.
+ foreach (variable_get('imce_custom_content', array()) as $func => $state) {
+ if ($state && function_exists($func) && $output = $func($imce)) {
+ $forms .= $output;
+ }
+ }
+
+ $content = theme('imce_content', imce_create_tree($imce), $forms, $imce_ref);
+
+ //make necessary changes for js conversion
+ $imce['dir'] = str_replace('%2F', '/', rawurlencode($imce['dir']));
+ unset($imce['files'], $imce['name'], $imce['directories'], $imce['subdirectories'], $imce['filesize'], $imce['quota'], $imce['tuquota'], $imce['thumbnails'], $imce['uid']);
+
+ drupal_add_js($imce_ref, 'setting');
+
+ return $content;
+}
+
+/**
+ * Ajax operations. q=imce&jsop={op}
+ */
+function imce_js($user, $jsop = '') {
+ $response = array();
+
+ //data
+ if ($imce = imce_initiate_profile($user)) {
+ imce_process_profile($imce);
+ if (!$imce['error']) {
+ include_once './'. drupal_get_path('module', 'imce') .'/inc/js.inc';
+ if (function_exists($func = 'imce_js_'. $jsop)) {
+ $response['data'] = $func($imce);
+ }
+ }
+ }
+ //messages
+ $response['messages'] = drupal_get_messages();
+
+ //for upload we must return plain text header.
+ drupal_set_header('Content-Type: text/'. ($jsop == 'upload' ? 'html' : 'javascript') .'; charset=utf-8');
+ print drupal_to_js($response);
+ exit();
+}
+
+/**
+ * Upload form.
+ */
+function imce_upload_form(&$form_state, $ref) {
+ $imce =& $ref['imce'];
+ $form['imce'] = array(
+ '#type' => 'file',
+ '#title' => t('File'),
+ '#size' => 30,
+ '#prefix' => '<div class="container-inline">',
+ );
+ $form['upload'] = array(
+ '#type' => 'submit',
+ '#value' => t('Upload'),
+ '#submit' => $imce['perm']['upload'] ? array('imce_upload_submit') : NULL,//permission for submission
+ '#suffix' => '</div>',
+ );
+ if (!empty($imce['thumbnails'])) {
+ $form['thumbnails'] = array(
+ '#type' => 'checkboxes',
+ '#title' => t('Create thumbnails'),
+ '#options' => imce_thumbnail_options($imce['thumbnails']),
+ );
+ }
+ $form = array('fset_upload' => array('#type' => 'fieldset', '#title' => t('Upload file')) + $form);
+ $form['#attributes']['enctype'] = 'multipart/form-data';
+ $form['#action'] = $imce['url'];
+ return $form;
+}
+
+/**
+ * File operations form.
+ */
+function imce_fileop_form(&$form_state, $ref) {
+ $imce =& $ref['imce'];
+ $form['filenames'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Selected files'),
+ '#maxlength' => $imce['filenum'] ? $imce['filenum']*255 : NULL,
+ );
+
+ //thumbnail
+ if (!empty($imce['thumbnails']) && imce_perm_exists($imce, 'thumb')) {
+ $form['fset_thumb'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Thumbnails'),
+ ) + imce_thumb_form($imce);
+ }
+
+ //delete
+ if (imce_perm_exists($imce, 'delete')) {
+ $form['fset_delete'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Delete'),
+ ) + imce_delete_form($imce);
+ }
+
+ //resize
+ if (imce_perm_exists($imce, 'resize')) {
+ $form['fset_resize'] = array(
+ '#type' => 'fieldset',
+ '#title' => t('Resize'),
+ ) + imce_resize_form($imce);
+ }
+
+ $form['#action'] = $imce['url'];
+ return $form;
+}
+
+/**
+ * Thumbnail form.
+ */
+function imce_thumb_form(&$imce) {
+ $form['thumbnails'] = array(
+ '#type' => 'checkboxes',
+ '#title' => t('Thumbnails'),
+ '#options' => imce_thumbnail_options($imce['thumbnails']),
+ );
+ $form['thumb'] = array(
+ '#type' => 'submit',
+ '#value' => t('Create thumbnails'),
+ '#submit' => $imce['perm']['thumb'] ? array('imce_thumb_submit') : NULL,//permission for submission
+ );
+ return $form;
+}
+
+/**
+ * Delete form.
+ */
+function imce_delete_form(&$imce) {
+ $form['delete'] = array(
+ '#type' => 'submit',
+ '#value' => t('Delete'),
+ '#submit' => $imce['perm']['delete'] ? array('imce_delete_submit') : NULL,//permission for submission
+ );
+ return $form;
+}
+
+/**
+ * Resizing form.
+ */
+function imce_resize_form(&$imce) {
+ $form['width'] = array(
+ '#type' => 'textfield',
+ '#title' => t('Width x Height'),
+ '#size' => 5,
+ '#maxlength' => 4,
+ '#prefix' => '<div class="container-inline">',
+ );
+ $form['height'] = array(
+ '#type' => 'textfield',
+ '#size' => 5,
+ '#maxlength' => 4,
+ '#prefix' => 'x',
+ );
+ $form['resize'] = array(
+ '#type' => 'submit',
+ '#value' => t('Resize'),
+ '#submit' => $imce['perm']['resize'] ? array('imce_resize_submit') : NULL,//permission for submission
+ '#suffix' => '</div>',
+ );
+ $form['copy'] = array(
+ '#type' => 'checkbox',
+ '#title' => t('Create a new image'),
+ '#default_value' => 1,
+ );
+ return $form;
+}
+
+/**
+ * Validate file operations form.
+ */
+function imce_fileop_form_validate($form, &$form_state) {
+ $imce =& $form['#parameters'][2]['imce'];
+
+ //check if the filenames is empty
+ if ($form_state['values']['filenames'] == '') {
+ return form_error($form['filenames'], t('Please select a file.'));
+ }
+
+ //filenames come seperated by colon
+ $filenames = explode(':', $form_state['values']['filenames']);
+ $cnt = count($filenames);
+ //check the number of files.
+ if ($imce['filenum'] && $cnt > $imce['filenum']) {
+ return form_error($form['filenames'], t('You are not allowed to operate on more than %num files.', array('%num' => $imce['filenum'])));
+ }
+
+ //check if there is any illegal choice
+ for ($i = 0; $i < $cnt; $i++) {
+ $filenames[$i] = $filename = rawurldecode($filenames[$i]);
+ if (!isset($imce['files'][$filename])) {
+ watchdog('imce', 'Illegal choice %choice in !name element.', array('%choice' => $filename, '!name' => t('directory (%dir)', array('%dir' => file_directory_path() . ($imce['dir'] == '.' ? '' : '/'. $imce['dir'])))), WATCHDOG_ERROR);
+ return form_error($form['filenames'], t('An illegal choice has been detected. Please contact the site administrator.'));
+ }
+ }
+
+ $form_state['values']['filenames'] = $filenames;
+}
+
+/**
+ * Submit upload form.
+ */
+function imce_upload_submit($form, &$form_state) {
+ $form_state['redirect'] = FALSE;
+ $imce =& $form['#parameters'][2]['imce'];
+ $validators = array('imce_validate_all' => array(&$imce));
+ $dirpath = file_directory_path() . ($imce['dir'] == '.' ? '' : '/'. $imce['dir']);
+
+ //save uploaded file.
+ $replace = variable_get('imce_settings_replace', FILE_EXISTS_RENAME);
+ if ($file = file_save_upload('imce', $validators, $dirpath, $replace)) {
+
+ //core bug #203204.
+ @chmod($file->filepath, 0664);
+
+ //core bug #54223.
+ if ($replace == FILE_EXISTS_RENAME) {
+ $name = basename($file->filepath);
+ if ($name != $file->filename) {
+ $file->filename = $name;
+ drupal_set_message(t('The file is renamed to %filename.', array('%filename' => $file->filename)));
+ }
+ }
+ else if ($replace == FILE_EXISTS_REPLACE) {//check duplicates
+ if ($_file = db_fetch_object(db_query("SELECT fid FROM {files} WHERE filepath = '%s' AND fid <> %d", $file->filepath, $file->fid))) {
+ db_query("DELETE FROM {files} WHERE fid = %d", $file->fid);
+ $file->fid = $_file->fid;
+ }
+ }
+
+ $file->uid = $imce['uid'];//global user may not be the owner.
+ $file->status = FILE_STATUS_PERMANENT;//make permanent
+ drupal_write_record('files', $file, array('fid'));//update
+ drupal_set_message(t('%filename is uploaded.', array('%filename' => $file->filename)));
+
+ //update file list
+ $img = imce_image_info($file->filepath);
+ $file->width = $img ? $img['width'] : 0;
+ $file->height = $img ? $img['height'] : 0;
+ imce_add_file($file, $imce);
+
+ //create thumbnails
+ if (isset($form_state['values']['thumbnails']) && $img) {
+ imce_create_thumbnails($file->filename, $imce, $form_state['values']['thumbnails']);
+ }
+ }
+ else {
+ drupal_set_message(t('Upload failed.'), 'error');
+ }
+}
+
+/**
+ * Submit thumbnail form.
+ */
+function imce_thumb_submit($form, &$form_state) {
+ $form_state['redirect'] = FALSE;
+ $imce =& $form['#parameters'][2]['imce'];
+ //create thumbnails
+ imce_process_files($form_state['values']['filenames'], $imce, 'imce_create_thumbnails', array($form_state['values']['thumbnails']));
+}
+
+/**
+ * Submit delete form.
+ */
+function imce_delete_submit($form, &$form_state) {
+ $form_state['redirect'] = FALSE;
+ $imce =& $form['#parameters'][2]['imce'];
+
+ $deleted = imce_process_files($form_state['values']['filenames'], $imce, 'imce_delete_file');
+
+ if (!empty($deleted)) {
+ drupal_set_message(t('File deletion successful: %files.', array('%files' => utf8_encode(implode(', ', $deleted)))));
+ }
+
+}
+
+/**
+ * Submit resize form.
+ */
+function imce_resize_submit($form, &$form_state) {
+ $form_state['redirect'] = FALSE;
+ $imce =& $form['#parameters'][2]['imce'];
+
+ //check dimensions
+ $width = (int) $form_state['values']['width'];
+ $height = (int) $form_state['values']['height'];
+ list($maxw, $maxh) = explode('x', $imce['dimensions']);
+ if ($width < 1 || $height < 1 || ($maxw && ($width > $maxw || $height > $maxh))) {
+ drupal_set_message(t('Please specify dimensions within the allowed range that is from 1x1 to @dimensions.', array('@dimensions' => $imce['dimensions'] ? $imce['dimensions'] : t('unlimited'))), 'error');
+ return;
+ }
+
+ $resized = imce_process_files($form_state['values']['filenames'], $imce, 'imce_resize_image', array($width, $height, $form_state['values']['copy']));
+
+ if (!empty($resized)) {
+ drupal_set_message(t('File resizing successful: %files.', array('%files' => utf8_encode(implode(', ', $resized)))));
+ }
+
+}
+
+/**
+ * Do batch operations on files.
+ * Used by delete, resize, create thumbnail submissions.
+ */
+function imce_process_files($filenames, &$imce, $function, $args = array()) {
+ $args = array_merge(array('', &$imce), $args);
+ $processed = array();
+
+ foreach ($filenames as $filename) {
+ $args[0] = $filename;
+ if (call_user_func_array($function, $args)) {
+ $processed[] = $filename;
+ }
+ }
+
+ return $processed;
+}
+
+/**
+ * Delete a file in the file list.
+ */
+function imce_delete_file($filename, &$imce) {
+ $filepath = file_directory_path() . ($imce['dir'] == '.' ? '' : '/'. $imce['dir']) .'/'. $filename;
+ if (!file_delete($filepath)) {
+ return FALSE;
+ }
+ db_query("DELETE FROM {files} WHERE filepath = '%s'", $filepath);
+ imce_remove_file($filename, $imce);
+ return TRUE;
+}
+
+/**
+ * Create all selected thumbnails.
+ */
+function imce_create_thumbnails($filename, &$imce, $values) {
+ $created = array();
+ foreach ($imce['thumbnails'] as $thumbnail) {
+ if ($values[$thumbnail['name']] && imce_create_thumbnail($filename, $imce, $thumbnail)) {
+ $created[] = $thumbnail['name'];
+ }
+ }
+ if (!empty($created)) {
+ drupal_set_message(t('Thumbnail creation (%thumbnames) successful for %filename.', array('%thumbnames' => implode(', ', $created), '%filename' => utf8_encode($filename))));
+ }
+ return $created;
+}
+
+/**
+ * Create a thumbnail.
+ */
+function imce_create_thumbnail($filename, &$imce, $thumbnail) {
+ //generate thumbnail name
+ $name = $thumbnail['prefix'];
+ if ($thumbnail['suffix'] != '' && $dot = strrpos($filename, '.')) {
+ $name .= substr($filename, 0, $dot);
+ $name .= $thumbnail['suffix'];
+ $name .= substr($filename, $dot);
+ }
+ else {
+ $name .= $filename;
+ }
+ //scale the image
+ list($width, $height) = explode('x', $thumbnail['dimensions']);
+ return imce_resize_image($filename, $imce, $width, $height, TRUE, $name, variable_get('imce_settings_thumb_method', 'scale_and_crop'));
+}
+
+/**
+ * Resize an image in the file list. Also used for thumbnail creation.
+ */
+function imce_resize_image($filename, &$imce, $width, $height, $copy = TRUE, $dest = FALSE, $op = 'resize') {
+ $dirpath = file_directory_path() . ($imce['dir'] == '.' ? '' : '/'. $imce['dir']);
+ $filepath = $dirpath .'/'. $filename;
+
+ //check if the file is an image
+ if (!$imce['files'][$filename]['width'] || !$img = imce_image_info($filepath)) {
+ drupal_set_message(t('%filename is not an image.', array('%filename' => utf8_encode($filename))), 'error', FALSE);
+ return FALSE;
+ }
+
+ if (substr($op, 0, 5) == 'scale' && !($width < $img['width'] || $height < $img['height'])) {
+ drupal_set_message(t('Scaling up is not allowed.'), 'error', FALSE);
+ return FALSE;
+ }
+
+ //create file object
+ $file = new stdClass();
+ $file->filepath = $dirpath .'/'. $dest;
+ if (!$dest || $dest == $filename) {
+ $file->filepath = $copy ? file_create_filename($filename, $dirpath) : $filepath;
+ }
+ $file->filename = basename($file->filepath);
+
+ //check if a file having the same properties exists already.
+ if (isset($imce['files'][$file->filename])) {
+ if (($f = $imce['files'][$file->filename]) && $f['width'] == $width && $f['height'] == $height) {
+ drupal_set_message(t('%filename(%dimensions) already exists.', array('%filename' => utf8_encode($file->filename), '%dimensions' => $width .'x'. $height)), 'error');
+ return FALSE;
+ }
+ }
+
+ //validate file name
+ $errors = file_validate_name_length($file);
+ if (!empty($errors)) {
+ drupal_set_message($errors[0], 'error');
+ return FALSE;
+ }
+
+ //resize image to a temp file
+ $temp = tempnam(realpath(file_directory_temp()), 'imc');
+ register_shutdown_function('file_delete', $temp);
+ $function = 'image_'. $op;
+ if (!$function($filepath, $temp, $width, $height)) {
+ drupal_set_message(t('%filename cannot be resized to %dimensions', array('%filename' => utf8_encode($filename), '%dimensions' => $width .'x'. $height)), 'error', FALSE);
+ return FALSE;
+ }
+
+ //validate quota
+ $file->filesize = filesize($temp);
+ $overwrite = $file->filename == $filename;
+ if (!imce_validate_quotas($file, $imce, $overwrite ? -$imce['files'][$filename]['size'] : 0)) {
+ return FALSE;
+ }
+
+ //copy from temp to filepath
+ if (!@copy($temp, $file->filepath)) {
+ drupal_set_message(t('The selected file %file could not be copied.', array('%file' => utf8_encode($file->filename))), 'error', FALSE);
+ return FALSE;
+ }
+ @chmod($file->filepath, 0664);
+
+ //build the rest of the file object
+ $file->uid = $imce['uid'];
+ $file->filemime = $img['mime'];
+ $file->status = FILE_STATUS_PERMANENT;
+ $file->timestamp = time();
+
+ //if we are overwriting the file and it is already in database.
+ $update = array();
+ if ($overwrite && $_file = db_fetch_object(db_query("SELECT f.* FROM {files} f WHERE f.filepath = '%s'", $file->filepath))) {
+ $file->fid = $_file->fid;
+ $file->uid = $_file->uid;
+ $update[] = 'fid';
+ }
+
+ //save the file
+ drupal_write_record('files', $file, $update);
+
+ //update file list
+ //if the file was scaled get the new dimensions
+ if ($op == 'scale') {
+ $img = imce_image_info($file->filepath);
+ $width = $img['width'];
+ $height = $img['height'];
+ }
+ $file->width = $width;
+ $file->height = $height;
+ imce_add_file($file, $imce);
+
+ return $file;
+}
+
+/**
+ * Add a new file to the file list.
+ */
+function imce_add_file($file, &$imce) {
+ $imce['dirsize'] += $file->filesize;
+ if (isset($imce['files'][$file->filename])) {
+ $imce['dirsize'] -= $imce['files'][$file->filename]['size'];
+ }
+ $imce['files'][$file->filename] = array(
+ 'name' => $file->filename,
+ 'size' => $file->filesize,
+ 'width' => $file->width,
+ 'height' => $file->height,
+ 'date' => $file->timestamp
+ );
+ if (isset($_GET['jsop'])) {
+ $add = $imce['files'][$file->filename];
+ $add['name'] = rawurlencode($file->filename);
+ $add['fsize'] = format_size($file->filesize);
+ $add['fdate'] = format_date($file->timestamp, 'small');
+ $imce['added'][] = $add;
+ }
+}
+
+/**
+ * Remove a file from the file list.
+ */
+function imce_remove_file($filename, &$imce) {
+ if (isset($imce['files'][$filename])) {
+ $imce['dirsize'] -= $imce['files'][$filename]['size'];
+ unset($imce['files'][$filename]);
+ if (isset($_GET['jsop'])) {
+ $imce['removed'][] = rawurlencode($filename);
+ }
+ }
+}
+
+/**
+ * Validate uploaded file.
+ */
+function imce_validate_all(&$file, $imce) {
+
+ //fix FILE_EXISTS_ERROR bug. core bug #54223.
+ if (!$file->destination && variable_get('imce_settings_replace', FILE_EXISTS_RENAME) == FILE_EXISTS_ERROR) {
+ return array(t('File browser is set to reject the upload of existing files.'));
+ }
+
+ //validate image resolution only if filesize validation passes.
+ //because user might have uploaded a very big image
+ //and scaling it may exploit system memory.
+ $errors = imce_validate_filesize($file, $imce['filesize']);
+ if (empty($errors)) {//image resolution validation
+ $errors = array_merge($errors, file_validate_image_resolution($file, $imce['dimensions']));
+ }
+ if ($imce['quota']) {//directory quota validation
+ $errors = array_merge($errors, imce_validate_quota($file, $imce['quota'], $imce['dirsize']));
+ }
+ if ($imce['extensions'] != '*' && !preg_match('/\.('. str_replace(' ', '|', $imce['extensions']) .')$/i', $file->filename)) {
+ $errors[] = t('Only files with the following extensions are allowed: %files-allowed.', array('%files-allowed' => $imce['extensions']));
+ }
+ if (empty($errors) && $imce['tuquota']) {//total user quota validation. check everything before hitting the DB
+ $errors = array_merge($errors, imce_validate_quota($file, $imce['tuquota'], file_space_used($imce['uid']), 1));
+ }
+ return $errors;
+}
+
+/**
+ * Validate filesize for maximum allowed file size.
+ */
+function imce_validate_filesize($file, $maxsize = 0) {
+ $errors = array();
+ if ($maxsize && $file->filesize > $maxsize) {
+ $errors[] = t('The file is %filesize exceeding the maximum file size of %maxsize.', array('%filesize' => format_size($file->filesize), '%maxsize' => format_size($maxsize)));
+ }
+ return $errors;
+}
+
+/**
+ * Validate filesize for directory and total user quota.
+ */
+function imce_validate_quota($file, $quota = 0, $current = 0, $type = 0) {
+ $errors = array();
+ if ($quota && ($current + $file->filesize) > $quota) {
+ $qtypes = array('Directory quota', 'Total user quota');
+ $errors[] = t('%filename is %filesize which would exceed your %quota_type. You are currently using %size of %quota.', array('%size' => format_size($current), '%quota' => format_size($quota), '%filesize' => format_size($file->filesize), '%filename' => utf8_encode($file->filename), '%quota_type' => t(isset($qtypes[$type]) ? $qtypes[$type] : 'quota')));
+ }
+ return $errors;
+}
+
+/**
+ * Validate both directory and total user quota. Returns true/false not errors.
+ */
+function imce_validate_quotas($file, &$imce, $add = 0) {
+ $errors = imce_validate_quota($file, $imce['quota'], $imce['dirsize'] + $add);
+ if (empty($errors) && $imce['tuquota']) {
+ $errors = imce_validate_quota($file, $imce['tuquota'], file_space_used($imce['uid']) + $add, 1);
+ }
+ if (!empty($errors)) {
+ drupal_set_message($errors[0], 'error');
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/**
+ * Check if the file is an image and return info.
+ */
+function imce_image_info($file) {
+ if (is_file($file) && ($dot = strrpos($file, '.')) && in_array(strtolower(substr($file, $dot+1)), array('jpg', 'jpeg', 'gif', 'png')) && ($info = @getimagesize($file)) && in_array($info[2], array(IMAGETYPE_JPEG, IMAGETYPE_GIF, IMAGETYPE_PNG)) ) {
+ return array('width' => $info[0], 'height' => $info[1], 'type' => $info[2], 'mime' => $info['mime']);
+ }
+ return FALSE;
+}
+
+/**
+ * Return thumbnails as options to be used in upload form.
+ */
+function imce_thumbnail_options($thumbs = array()) {
+ $options = array();
+ foreach ($thumbs as $thumb) {
+ $options[$thumb['name']] = $thumb['name'] .' ('. $thumb['dimensions'] .')';
+ }
+ return $options;
+}
+
+/**
+ * Initiate and return configuration profile for the $user.
+ */
+function imce_initiate_profile($user) {
+
+ //check user profile and translate tokens in directory paths and evaluate php paths.
+ if ($imce = imce_user_profile($user)) {
+ $imce['directories'] = imce_process_directories($imce['directories'], $user);
+ if (!empty($imce['directories'])) {
+ $imce['uid'] = (int)$user->uid;
+ $imce['url'] = url($_GET['q']);
+ $imce['clean'] = variable_get('clean_url', 0) == 1;
+ $imce['prvt'] = variable_get('file_downloads', '') == FILE_DOWNLOADS_PRIVATE;
+ $imce['furl'] = $imce['prvt'] ? url('system/files') : base_path() . file_directory_path();
+ if (variable_get('imce_settings_absurls', 0)) {
+ $imce['furl'] = $GLOBALS['base_root'] . $imce['furl'];
+ }
+ $imce['filesize'] *= 1048576;//convert from Mb to byte
+ $imce['quota'] *= 1048576;
+ $imce['tuquota'] *= 1048576;
+ $imce['filenum'] = (int) $imce['filenum'];
+ //check and set the active directory
+ if ($info = imce_working_directory($imce)) {
+ $imce['direct'] = isset($imce['directories'][$info['name']]);
+ $imce['directories'][$info['name']] = $info;
+ $imce['dir'] = $info['name'];
+ $imce['perm'] = $info;//copy permissions of the active directory.
+ unset($imce['perm']['name']);
+ }
+ else {
+ drupal_set_message(t('Unable to get a working directory for the file browser!'), 'error');
+ $imce['dir'] = FALSE;
+ $imce['error'] = TRUE;
+ }
+ return $imce;
+ }
+ drupal_set_message(t('There is no valid directory specified for the file browser!'), 'error');
+ }
+ else {
+ drupal_set_message(t('You don\'t have access to any configuration profile to use the file browser!'), 'error');
+ }
+
+ return FALSE;
+}
+
+/**
+ * Get files and folders of the actve directory. Do custom processing.
+ */
+function imce_process_profile(&$imce) {
+ //get directory content. do a custom scan if it is set
+ $scan = ($scan = variable_get('imce_custom_scan', '')) && function_exists($scan) ? $scan : 'imce_scan_directory';
+ $imce += $scan($imce['dir'], $imce);
+
+ //run custom process functions
+ foreach (variable_get('imce_custom_process', array()) as $func => $state) {
+ if ($state && function_exists($func)) {
+ $func($imce);
+ }
+ }
+
+ //set subdirectories
+ if (!$imce['error'] && !imce_subdirectories_accessible($imce)) {
+ $imce['subdirectories'] = array();
+ }
+}
+
+/**
+ * Translate tokens and evaluate php in directory names.
+ * Return an associative array of directories (dirname => info)
+ */
+function imce_process_directories($directories, $user) {
+ $paths = array();
+ $translate = array('%uid' => $user->uid);
+
+ foreach ($directories as $directory) {
+ if (substr($directory['name'], 0, 4) == 'php:') {
+ //not using drupal_eval since we need $user to be accessible as it may be different from $GLOBALS['user']
+ $directory['name'] = eval(substr($directory['name'], 4));
+ //php may return an array of directories
+ if (is_array($directory['name'])) {
+ foreach ($directory['name'] as $name) {
+ $paths[$name] = array('name' => $name) + $directory;
+ }
+ continue;
+ }
+ }
+ else {
+ $directory['name'] = strtr($directory['name'], $translate);
+ }
+ if ($directory['name']) {
+ $paths[$directory['name']] = $directory;
+ }
+ }
+
+ return $paths;
+}
+
+/**
+ * Return an avaliable directory for the profile.
+ */
+function imce_working_directory($imce) {
+ //check GET.
+ if (isset($_GET['dir'])) {
+ if ($info = imce_directory_info($_GET['dir'], $imce)) {
+ if (imce_check_directory($_GET['dir'])) {
+ $_SESSION['imce_directory'] = rawurlencode($info['name']);
+ }
+ else {
+ $info = FALSE;
+ }
+ }
+ else {
+ imce_inaccessible_directory($_GET['dir']);
+ }
+ return $info;
+ }
+
+ //check session
+ if (isset($_SESSION['imce_directory'])) {
+ $dirname = rawurldecode($_SESSION['imce_directory']);
+ if ($info = imce_directory_info($dirname, $imce)) {
+ if (imce_check_directory($dirname)) {
+ return $info;
+ }
+ }
+ }
+
+ //or the whole list.
+ foreach ($imce['directories'] as $dirname => $info) {
+ if (imce_check_directory($dirname)) {
+ $_SESSION['imce_directory'] = rawurlencode($dirname);
+ return $info;
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ * Create a writable directory(any level) under file system directory.
+ */
+function imce_check_directory($dirname) {
+
+ $root = file_directory_path();
+ $dirpath = $root .'/'. $dirname;
+
+ if (!file_check_directory($dirpath)) {//directory does not exist. try to create it.
+ $path = $root;
+ foreach (explode('/', $dirname) as $arg) {
+ $path .= '/'. $arg;
+ if (!file_check_location($path, $root) || !file_check_directory($path, FILE_CREATE_DIRECTORY)) {
+ return imce_inaccessible_directory($dirname);
+ }
+ }
+ }
+ else if (!file_check_location($dirpath, $root)) {//directory exists outside of root.
+ return imce_inaccessible_directory($dirname);
+ }
+
+ return TRUE;
+}
+
+/**
+ * Generate and log a directory access error.
+ */
+function imce_inaccessible_directory($dirname) {
+ if (is_string($dirname)) {
+ $msg = 'Directory "%dir" is not accessible under file system!';
+ $token = array('%dir' => utf8_encode($dirname));
+ drupal_set_message(t($msg, $token), 'error');
+ watchdog('imce', $msg, $token, WATCHDOG_ERROR);
+ }
+ return FALSE;
+}
+
+/**
+ * Return the permissions for a directory that is accessed directly or indirectly.
+ * A child of a predefined directory in the directory list takes its parent's properties.
+ * If it has multiple parents, it gets the properties of the latter in the list.
+ */
+function imce_directory_info($dirname, $imce) {
+
+ if (isset($imce['directories'][$dirname])) {
+ return $imce['directories'][$dirname];
+ }
+
+ $info = FALSE;
+ $root = file_directory_path();
+ $dirpath = $root .'/'. $dirname;
+ if (imce_reg_dir($dirname) && file_check_directory($dirpath)) {
+ foreach ($imce['directories'] as $name => $prop) {
+ if ($prop['subnav'] && file_check_location($dirpath, $root .'/'. $name)) {
+ $info = $prop;
+ $info['name'] = $dirname;
+ }
+ }
+ }
+
+ return $info;
+}
+
+/**
+ * Detect if the subdirectories are accessible through any directory(not just the current one) in the list.
+ */
+function imce_subdirectories_accessible(&$imce) {
+
+ if (!empty($imce['subdirectories'])) {
+ $root = file_directory_path() .'/';
+ //checking only the first one is sufficient.
+ $dirname = ($imce['dir'] == '.' ? '' : $imce['dir'] .'/') . $imce['subdirectories'][0];
+ $dirpath = $root . $dirname;
+
+ //check if any setting is applicable for this subdirectory through any directory in the list.
+ foreach ($imce['directories'] as $name => $info) {
+ if ($info['subnav'] && $dirname != $name && file_check_location($dirpath, $root . $name)) {
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+/**
+ * Check if a permission is given to at least one directory in the list.
+ */
+function imce_perm_exists(&$imce, $perm) {
+ static $perms = array();
+
+ if (isset($perms[$perm])) {
+ return $perms[$perm];
+ }
+
+ if (isset($imce['perm'][$perm]) && $imce['perm'][$perm]) {
+ return $perms[$perm] = TRUE;
+ }
+
+ foreach ($imce['directories'] as $name => $info) {
+ if (isset($info[$perm]) && $info[$perm]) {
+ return $perms[$perm] = TRUE;
+ }
+ }
+
+ return $perms[$perm] = FALSE;
+}
+
+/**
+ * Scan directory and return file list, subdirectories, and total size.
+ */
+function imce_scan_directory($dirname) {
+
+ $directory = array('dirsize' => 0, 'files' => array(), 'subdirectories' => array(), 'error' => FALSE);
+ $dirpath = file_directory_path() .'/'. $dirname;
+
+ if (!is_string($dirname) || $dirname == '' || !$handle = opendir($dirpath)) {
+ imce_inaccessible_directory($dirname);
+ $directory['error'] = TRUE;
+ return $directory;
+ }
+
+ $exclude = array('.' => 1, '..' => 1, 'CVS' => 1, '.svn' => 1, '.htaccess' => 1);
+ while (($file = readdir($handle)) !== FALSE) {
+ if (isset($exclude[$file])) {
+ continue;
+ }
+
+ $path = $dirpath .'/'. $file;
+
+ if (is_dir($path)) {
+ $directory['subdirectories'][] = $file;
+ continue;
+ }
+
+ $width = $height = 0;
+ if ($img = imce_image_info($path)) {
+ $width = $img['width'];
+ $height = $img['height'];
+ }
+ $size = filesize($path);
+ $date = filemtime($path);
+ $directory['files'][$file] = array(
+ 'name' => $file,
+ 'size' => $size,
+ 'width' => $width,
+ 'height' => $height,
+ 'date' => $date
+ );
+ $directory['dirsize'] += $size;
+ }
+
+ closedir($handle);
+ sort($directory['subdirectories']);
+ return $directory;
+}
+
+/**
+ * Create directory tree.
+ */
+function imce_create_tree(&$imce) {
+ $paths = array();
+ //rearrange paths as arg0=>arg1=>...
+ foreach ($imce['directories'] as $path => $arr) {
+ $tmp =& $paths;
+ if ($path != '.') {
+ $args = explode('/', $path);
+ foreach ($args as $arg) {
+ if (!isset($tmp[$arg])) {
+ $tmp[$arg] = array();
+ }
+ $tmp =& $tmp[$arg];
+ }
+ $tmp[':access:'] = TRUE;
+ }
+ if ("$path" == $imce['dir']) {
+ $tmp[':active:'] = TRUE;
+ foreach ($imce['subdirectories'] as $arg) {
+ $tmp[$arg][':access:'] = TRUE;
+ }
+ }
+ }
+ //set root branch
+ $root = variable_get('file_downloads', '') == FILE_DOWNLOADS_PRIVATE && !user_access('administer site configuration') ? t('Directory root') : file_directory_path();
+ $q = $imce['clean'] ? '?' : '&';
+ if (isset($imce['directories']['.'])) {
+ $root = '<a href="'. $imce['url'] . $q .'dir=." title="." class="folder'. ($imce['dir'] == '.' ? ' active' : '') .'">'. $root .'</a>';
+ }
+ else {
+ $root = '<a title="." class="folder disabled">'. $root .'</a>';
+ }
+
+ return $root . imce_tree_html($imce, $paths, $q);
+}
+
+/**
+ * Return tree html.
+ * This is not themable because it is complex and needs to be in a proper format for js processing.
+ */
+function imce_tree_html(&$imce, $paths, $q = '?', $prefix = '', $eprefix = '') {
+ unset($paths[':access:'], $paths[':active:']);
+ $html = '';
+ foreach ($paths as $arg => $children) {
+ $path = $prefix . $arg;
+ $earg = rawurlencode($arg);
+ $epath = $eprefix . $earg;
+ if (isset($children[':access:']) || imce_directory_info($path, $imce)) {
+ $a = '<a href="'. $imce['url'] . $q .'dir='. $epath .'" title="'. $epath .'" class="folder'. (isset($children[':active:']) ? ' active' : '') .'">'. $earg .'</a>';
+ }
+ else {
+ $a = '<a title="'. $epath .'" class="folder disabled">'. $earg .'</a>';
+ }
+ $ul = imce_tree_html($imce, $children, $q, $path .'/', $epath .'/');
+ $html .= '<li class="'. ($ul ? 'expanded' : (isset($children[':active:']) ? 'leaf' : '')) .'">'. $a . $ul .'</li>';
+ }
+ if ($html) {
+ $html = '<ul>'. $html .'</ul>';
+ }
+ return $html;
+}