imce_content($user, $scheme, $jsop)));
}
/**
* Returns the content of the file browser.
*/
function imce_content($user, $scheme = NULL, $jsop = NULL) {
//execute ajax calls.
if ($jsop) {
return imce_js($user, $scheme, $jsop);
}
//initiate configuration profile
if (!$imce = imce_initiate_profile($user, $scheme)) {
return '';
}
imce_process_profile($imce);//get active directory content
//Before creating the content let's add main files required for imce to function properly.
$path = drupal_get_path('module', 'imce');
drupal_add_js($path . '/js/jquery.form.js');
drupal_add_js($path . '/js/imce.js');
drupal_add_js($path . '/js/imce_extras.js');
drupal_add_css($path . '/css/imce-content.css');
//process forms.
$imce_ref = array('imce' => &$imce);
$forms = array();
if (!$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);
}
$forms = drupal_render($forms);
//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;
}
}
$content = theme('imce_content', array(
'tree' => imce_create_tree($imce),
'forms' => $forms,
'imce_ref' => $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, $scheme, $jsop = '') {
$response = array();
//data
if ($imce = imce_initiate_profile($user, $scheme)) {
imce_process_profile($imce);
if (!$imce['error']) {
module_load_include('inc', 'imce', 'inc/imce.js');
if (function_exists($func = 'imce_js_' . $jsop)) {
$response['data'] = $func($imce);
}
}
}
//messages
$response['messages'] = drupal_get_messages();
//for upload we must return plain text header.
drupal_add_http_header('Content-Type', 'text/' . ($jsop == 'upload' ? 'html' : 'javascript') . '; charset=utf-8');
print drupal_json_encode($response);
exit();
}
/**
* Upload form.
*/
function imce_upload_form($form, &$form_state, $ref) {
$imce =& $ref['imce'];
$form['imce'] = array(
'#type' => 'file',
'#title' => t('File'),
'#size' => 30,
);
if (!empty($imce['thumbnails'])) {
$form['thumbnails'] = array(
'#type' => 'checkboxes',
'#title' => t('Create thumbnails'),
'#options' => imce_thumbnail_options($imce['thumbnails']),
);
}
$form['upload'] = array(
'#type' => 'submit',
'#value' => t('Upload'),
'#submit' => $imce['perm']['upload'] ? array('imce_upload_submit') : NULL,
);
$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, &$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,
);
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,
);
return $form;
}
/**
* Resizing form.
*/
function imce_resize_form(&$imce) {
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width x Height'),
'#size' => 5,
'#maxlength' => 4,
'#prefix' => '
',
);
$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' => '
',
);
$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 =& $form_state['build_info']['args'][0]['imce'];
//check if the filenames is empty
if ($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' => $filename, '!name' => t('directory (%dir)', array('%dir' => imce_dir_uri($imce)))), 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_state['build_info']['args'][0]['imce'];
$validators = array('imce_validate_all' => array(&$imce));
$diruri = imce_dir_uri($imce);
//save uploaded file.
$replace = variable_get('imce_settings_replace', FILE_EXISTS_RENAME);
if ($file = file_save_upload('imce', $validators, $diruri, $replace)) {
//core bug #54223.
if ($replace == FILE_EXISTS_RENAME) {
$name = basename($file->uri);
if ($name != $file->filename) {
$file->filename = $name;
drupal_set_message(t('The file has been renamed to %filename.', array('%filename' => $file->filename)));
}
}
$file->uid = $imce['uid'];//global user may not be the owner.
$file->status = FILE_STATUS_PERMANENT;
file_save($file);
drupal_set_message(t('%filename has been uploaded.', array('%filename' => $file->filename)));
//update file list
$img = imce_image_info($file->uri);
$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 =& $form_state['build_info']['args'][0]['imce'];
//create thumbnails
imce_process_files($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_state['build_info']['args'][0]['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_state['build_info']['args'][0]['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) {
$uri = imce_dir_uri($imce) . $filename;
$file = file_load_multiple(array(), array('uri' => $uri));
$file = reset($file);
//file exists in database
if ($file) {
$result = file_delete($file);
//deletion blocked by an other module.
if (is_array($result)) {
drupal_set_message(t('%filename is in use by another application.', array('%filename' => $file->filename)), 'error');
return FALSE;
}
//general failure
if (!$result) {
return FALSE;
}
}
//not in db. probably loaded via ftp.
elseif (!file_unmanaged_delete($uri)) {
return FALSE;
}
imce_remove_file($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, $destname = FALSE, $op = 'resize') {
$destdir = imce_dir_uri($imce);
$imguri = $destdir . $filename;
//check if the file is an image
if (!$imce['files'][$filename]['width'] || !$img = imce_image_info($imguri)) {
drupal_set_message(t('%filename is not an image.', array('%filename' => utf8_encode($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->uri = $destdir . $destname;
if (!$destname || $destname == $filename) {
$file->uri = $copy ? file_create_filename($filename, $destdir) : $imguri;
}
$file->filename = basename($file->uri);
//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
$image = image_load($imguri);
$function = 'image_' . $op;
if (!$image || !function_exists($function) || !$function($image, $width, $height)) {
drupal_set_message(t('%filename cannot be resized to %dimensions', array('%filename' => utf8_encode($filename), '%dimensions' => $width . 'x' . $height)), 'error', FALSE);
return FALSE;
}
//copy to a temp file
if (!$tempuri = drupal_tempnam('temporary://', 'imce')) {
return FALSE;
}
register_shutdown_function('file_unmanaged_delete', $tempuri);
if (!image_save($image, $tempuri) || !$image->info) {
return FALSE;
}
//validate quota
$file->filesize = $image->info['file_size'];
$quotadiff = $file->filename == $filename ? -$imce['files'][$filename]['size'] : 0;
if (!imce_validate_quotas($file, $imce, $quotadiff)) {
return FALSE;
}
//build the rest of the file object
$file->uid = $imce['uid'];
$file->filemime = $img['mime'];
$file->status = FILE_STATUS_PERMANENT;
$file->timestamp = REQUEST_TIME;
//copy from temp to file uri
$destination = $file->uri;
$file->uri = $tempuri;
if (!$file = file_copy($file, $destination, FILE_EXISTS_REPLACE)) {
return FALSE;
}
//update file list
//if the file was scaled get the new dimensions
if ($op == 'scale') {
$img = imce_image_info($file->uri);
$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, 'short');
$add['id'] = $file->fid;
$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) {
//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, $imce['filesize']);
//image resolution validation
if (empty($errors)) {
$errors = array_merge($errors, file_validate_image_resolution($file, $imce['dimensions']));
}
//directory quota validation
if ($imce['quota']) {
$errors = array_merge($errors, imce_validate_quota($file, $imce['quota'], $imce['dirsize']));
}
//file extension validation
if ($imce['extensions'] != '*') {
$errors = array_merge($errors, file_validate_extensions($file, $imce['extensions']));
}
//user quota validation. check it if no errors were thrown.
if (empty($errors) && $imce['tuquota']) {
$errors = imce_validate_tuquota($file, $imce['tuquota'], file_space_used($imce['uid']));
}
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 $errors;
}
/**
* Validate filesize for directory quota.
*/
function imce_validate_quota($file, $quota = 0, $currentsize = 0) {
$errors = array();
if ($quota && ($currentsize + $file->filesize) > $quota) {
$errors[] = t('%filename is %filesize which would exceed your directory quota. You are currently using %size of %total_quota.', array('%size' => format_size($currentsize), '%total_quota' => format_size($quota), '%filesize' => format_size($file->filesize), '%filename' => utf8_encode($file->filename)));
}
return $errors;
}
/**
* Validate filesize for total user quota.
*/
function imce_validate_tuquota($file, $quota = 0, $currentsize = 0) {
$errors = array();
if ($quota && ($currentsize + $file->filesize) > $quota) {
$errors[] = t('%filename is %filesize which would exceed your total user quota. You are currently using %size of %total_quota.', array('%size' => format_size($currentsize), '%total_quota' => format_size($quota), '%filesize' => format_size($file->filesize), '%filename' => utf8_encode($file->filename)));
}
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']) {
$errors = imce_validate_tuquota($file, $imce['tuquota'], file_space_used($imce['uid']) + $add);
}
if (!empty($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, $scheme = NULL) {
//check user profile and translate tokens in directory paths and evaluate php paths.
if ($imce = imce_user_profile($user, $scheme)) {
imce_process_directories($imce, $user);
if (!empty($imce['directories'])) {
$imce['uid'] = (int)$user->uid;
$imce['url'] = url($_GET['q']);
$imce['clean'] = variable_get('clean_url', 0) == 1;
$imce['furl'] = file_create_url($imce['scheme'] . '://');
$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 $imce;
}
drupal_set_message(t('There is no valid directory specified for the file browser!'), 'error');
}
else {
drupal_set_message(t('You do not have access to any configuration profile to use the file browser!'), 'error');
}
return FALSE;
}
/**
* Get files and folders of the actve directory. Do custom processing.
*/
function imce_process_profile(&$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)) {
$imce['subdirectories'] = array();
}
}
/**
* Translate tokens and evaluate php in directory names.
* Convert directories into an associative array (dirname => info)
*/
function imce_process_directories(&$imce, $user) {
$directories = $imce['directories'];
$paths = array();
$translate = array('%uid' => $user->uid);
foreach ($directories as $directory) {
if (substr($directory['name'], 0, 4) == 'php:') {
$directory['name'] = eval(substr($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;
}
}
$imce['directories'] = $paths;
}
/**
* Return an avaliable directory for the profile.
*/
function imce_working_directory(&$imce) {
//Do not use session if there is only one directory assigned.
$sess = TRUE;
if (count($imce['directories']) < 2) {
$perms = reset($imce['directories']);
if (!isset($perms['subnav']) || !$perms['subnav']) {
$sess = FALSE;
}
}
//check GET.
if (isset($_GET['dir'])) {
if ($info = imce_directory_info($_GET['dir'], $imce)) {
if (imce_check_directory($_GET['dir'], $imce)) {
if ($sess) {
$_SESSION['imce_directory'] = rawurlencode($info['name']);
}
}
else {
$info = FALSE;
}
}
else {
imce_inaccessible_directory($_GET['dir'], $imce);
}
return $info;
}
//check session
if ($sess && isset($_SESSION['imce_directory'])) {
$dirname = rawurldecode($_SESSION['imce_directory']);
if ($info = imce_directory_info($dirname, $imce)) {
if (imce_check_directory($dirname, $imce)) {
return $info;
}
}
}
//or the whole list.
foreach ($imce['directories'] as $dirname => $info) {
if (imce_check_directory($dirname, $imce)) {
if ($sess) {
$_SESSION['imce_directory'] = rawurlencode($dirname);
}
return $info;
}
}
return FALSE;
}
/**
* Create a writable directory(any level) under file system directory.
*/
function imce_check_directory($dirname, $imce) {
$diruri = imce_dir_uri($imce, $dirname);
if (!imce_reg_dir($dirname) || !file_prepare_directory($diruri, FILE_CREATE_DIRECTORY)) {
return imce_inaccessible_directory($dirname, $imce);
}
return TRUE;
}
/**
* Generate and log a directory access error.
*/
function imce_inaccessible_directory($dirname, $imce) {
if (is_string($dirname)) {
$dirname = utf8_encode($dirname);
$diruri = imce_dir_uri($imce, $dirname);
drupal_set_message(t('Directory %dirname is not accessible.', array('%dirname' => $dirname)), 'error');
watchdog('imce', 'Access to %directory was denied.', array('%directory' => $diruri), WATCHDOG_ERROR);
}
return FALSE;
}
/**
* Return the permissions for a directory that is accessed directly or indirectly.
* A child of a predefined directory in the directory list takes its parent's properties.
* If it has multiple parents, it gets the properties of the latter in the list.
*/
function imce_directory_info($dirname, $imce) {
if (isset($imce['directories'][$dirname])) {
return $imce['directories'][$dirname];
}
$info = FALSE;
if (imce_reg_dir($dirname) && file_prepare_directory(imce_dir_uri($imce, $dirname))) {
foreach ($imce['directories'] as $name => $prop) {
if ($prop['subnav'] && ($name == '.' || strpos($dirname . '/', $name . '/') === 0)) {
$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'])) {
//checking only the first one is sufficient.
$dirname = ($imce['dir'] == '.' ? '' : $imce['dir'] . '/') . $imce['subdirectories'][0];
//check if any setting is applicable for this subdirectory through any directory in the list.
foreach ($imce['directories'] as $name => $info) {
if ($info['subnav'] && $dirname != $name && ($name == '.' || strpos($dirname . '/', $name . '/') === 0)) {
return TRUE;
}
}
}
return FALSE;
}
/**
* Check if a permission is given to at least one directory in the list.
*/
function imce_perm_exists(&$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, $imce) {
$directory = array('dirsize' => 0, 'files' => array(), 'subdirectories' => array(), 'error' => FALSE);
$diruri = imce_dir_uri($imce, $dirname);
if (!is_string($dirname) || $dirname == '' || !$handle = opendir($diruri)) {
imce_inaccessible_directory($dirname, $imce);
$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 = $diruri . $file;
if (is_dir($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
$root = theme('imce_root_text', array('imce_ref' => array('imce' => &$imce)));
$q = $imce['clean'] ? '?' : '&';
if (isset($imce['directories']['.'])) {
$root = '' . $root . '';
}
else {
$root = '' . $root . '';
}
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 = '' . $earg . '';
}
else {
$a = '' . $earg . '';
}
$ul = imce_tree_html($imce, $children, $q, $path . '/', $epath . '/');
$class = $ul ? ' class="expanded"' : (isset($children[':active:']) ? ' class="leaf"' : '');
$html .= '' . $a . $ul . '';
}
if ($html) {
$html = '';
}
return $html;
}
/**
* Return the uri of the active directory
*/
function imce_dir_uri($imce, $dir = NULL) {
if (!isset($dir)) {
$dir = $imce['dir'];
}
return $imce['scheme'] . '://' . ($dir == '.' ? '' : $dir . '/');
}