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<?php
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/**
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* @file
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* Implements the necessary hooks for the file browser to work properly.
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*/
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/**
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* Implements hook_menu().
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*/
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function imce_menu() {
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$items = array();
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$access = array('administer imce');
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$items['imce'] = array(
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'title' => 'File browser',
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'page callback' => 'imce',
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'access callback' => 'imce_access',
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'access arguments' => array(FALSE, 1),
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'file' => 'inc/imce.page.inc',
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'type' => MENU_CALLBACK,
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);
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$items['user/%user/imce'] = array(
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'title' => 'File browser',
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'page callback' => 'imce_user_page',
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'page arguments' => array(1),
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'access callback' => 'imce_user_page_access',
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'access arguments' => array(1),
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'file' => 'inc/imce.page.inc',
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'type' => MENU_LOCAL_TASK,
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'weight' => 10,
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);
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$items['admin/config/media/imce'] = array(
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'title' => 'IMCE',
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'description' => 'Control how your image/file browser works.',
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'page callback' => 'imce_admin',
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'access arguments' => $access,
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'file' => 'inc/imce.admin.inc',
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);
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$items['admin/config/media/imce/profile'] = array(
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'title' => 'Add new profile',
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'page callback' => 'imce_profile_operations',
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'access arguments' => $access,
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'type' => MENU_VISIBLE_IN_BREADCRUMB,
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'file' => 'inc/imce.admin.inc',
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);
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return $items;
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}
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/**
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* Implements hook_permission().
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*/
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function imce_permission() {
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return array(
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'administer imce' => array(
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'title' => t('Administer IMCE'),
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'restrict access' => TRUE,
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),
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);
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}
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/**
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* Implements hook_theme().
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*/
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function imce_theme() {
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$path = drupal_get_path('module', 'imce') . '/tpl';
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$theme['imce_admin'] = array('function' => 'imce_admin_theme', 'render element' => 'form');
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$theme['imce_directories'] = array('function' => 'imce_directories_theme', 'render element' => 'form');
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$theme['imce_thumbnails'] = array('function' => 'imce_thumbnails_theme', 'render element' => 'form');
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$theme['imce_root_text'] = array(
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'variables' => array('imce_ref' => NULL),
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);
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$theme['imce_user_page'] = array(
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'variables' => array('account' => NULL),
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);
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$theme['imce_file_list'] = array(
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'template' => 'imce-file-list',
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'variables' => array('imce_ref' => NULL),
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'path' => $path,
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);
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$theme['imce_content'] = array(
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'template' => 'imce-content',
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'variables' => array('tree' => NULL, 'forms' => NULL, 'imce_ref' => NULL),
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'path' => $path,
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);
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$theme['imce_page'] = array(
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'template' => 'imce-page',
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'variables' => array('content' => NULL),
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'path' => $path,
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);
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return $theme;
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}
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/**
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* Implements hook_file_download().
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* Support private downloads if not disabled.
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*/
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function imce_file_download($uri) {
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$serve = file_uri_scheme($uri) == 'private' && !variable_get('imce_settings_disable_private', 1) && file_exists($uri) && strpos(basename($uri), '.');
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if ($serve) {
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return array(
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'Content-type' => file_get_mimetype($uri),
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'Content-Length' => filesize($uri),
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);
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}
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}
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/**
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* Implements hook_element_info().
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*/
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function imce_element_info() {
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return array('textarea' => array('#process' => array('imce_textarea')));
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}
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/**
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* Inline image/link insertion to textareas.
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*/
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function imce_textarea($element) {
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static $regexp;
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if (!isset($regexp)) {
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$regexp = FALSE;
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if (imce_access() && $regexp = str_replace(' ', '', variable_get('imce_settings_textarea', ''))) {
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$regexp = '@^(' . str_replace(',', '|', implode('.*', array_map('preg_quote', explode('*', $regexp)))) . ')$@';
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}
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}
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if ($regexp && preg_match($regexp, $element['#id'])) {
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drupal_add_js(drupal_get_path('module', 'imce') . '/js/imce_set_inline.js');
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$element['#description'] = (isset($element['#description']) ? $element['#description'] : '') . '<div class="imce-inline-wrapper" style="display:none">' . t('Insert !image or !link.', array('!image' => l(t('image'), 'imce', array('attributes' => array('name' => $element['#id'] . '-IMCE-image', 'class' => array('imce-inline-image')))), '!link' => l(t('link'), 'imce', array('attributes' => array('name' => $element['#id'] . '-IMCE-link', 'class' => array('imce-inline-link')))))) . '</div>';
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}
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return $element;
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}
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/**
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* Returns the configuration profile assigned to a user for a specific file scheme.
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*/
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function imce_user_profile($user, $scheme = NULL) {
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static $ups = array();
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// Set scheme
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if (empty($scheme)) {
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$scheme = variable_get('file_default_scheme', 'public');
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}
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// Return from cache.
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if (isset($ups[$scheme][$user->uid])) {
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return $ups[$scheme][$user->uid];
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}
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$ups[$scheme][$user->uid] = FALSE;
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// Check scheme
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$swrappers = file_get_stream_wrappers();
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if (!isset($swrappers[$scheme])) {
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return FALSE;
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}
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$profiles = variable_get('imce_profiles', array());
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$scinfo = array('scheme' => $scheme);
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// Handle user#1 separately
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if ($user->uid == 1) {
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return $ups[$scheme][$user->uid] = isset($profiles[1]) ? $profiles[1] + $scinfo : FALSE;
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}
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// Handle regular users.
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$roles_profiles = variable_get('imce_roles_profiles', array());
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$sckey = $scheme . '_pid';
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foreach ($roles_profiles as $rid => $conf) {
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if (isset($user->roles[$rid]) && isset($conf[$sckey]) && isset($profiles[$conf[$sckey]])) {
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return $ups[$scheme][$user->uid] = $profiles[$conf[$sckey]] + $scinfo;
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}
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}
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return FALSE;
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}
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/**
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* Checks if the user is assigned an imce profile.
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* A more detailed assignment check is performed before imce loads.
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*/
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function imce_access($user = FALSE, $scheme = NULL) {
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if ($user === FALSE) {
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global $user;
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}
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return imce_user_profile($user, $scheme) ? TRUE : FALSE;
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}
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/**
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* Checks access to user/{$account->uid}/imce for the $user.
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*/
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function imce_user_page_access($account, $user = FALSE) {
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if ($user === FALSE) {
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global $user;
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}
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return ($user->uid == 1 || $account->uid == $user->uid) && ($profile = imce_user_profile($account)) && $profile['usertab'];
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}
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/**
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* Check if the directory name is regular.
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*/
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function imce_reg_dir($dirname) {
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return $dirname == '.' || is_int($dirname) || (is_string($dirname) && $dirname != '' && !preg_match('@(^\s)|(^/)|(^\./)|(\s$)|(/$)|(/\.$)|(\.\.)|(//)|(\\\\)|(/\./)@', $dirname));
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}
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