<?php

// $Id: imce.module,v 1.23.2.5 2008/07/19 13:21:02 ufku Exp $

/**

 * Implementation of hook_menu().

 */

function imce_menu() {

  $items = array();

  $access = array('administer site configuration');

  $items['imce'] = array(

    'title' => 'File browser',

    'page callback' => 'imce_page',

    'access callback' => 'imce_access',

    'file' => 'inc/page.inc',

    'type' => MENU_CALLBACK,

  );

  $items['admin/settings/imce'] = array(

    'title' => 'IMCE',

    'description' => 'Control how your image/file browser works.',

    'page callback' => 'imce_admin',

    'access arguments' => $access,

    'file' => 'inc/admin.inc',

  );

  $items['admin/settings/imce/profiles'] = array(

    'title' => 'Settings',

    'type' => MENU_DEFAULT_LOCAL_TASK,

  );

  $items['admin/settings/imce/subdirectory'] = array(

    'title' => 'Directory creation tool',

    'page callback' => 'drupal_get_form',

    'page arguments' => array('imce_form_subdirectory'),

    'access arguments' => $access,

    'type' => MENU_LOCAL_TASK,

    'weight' => 1,

    'file' => 'inc/subdir.inc',

  );

  $items['admin/settings/imce/profile'] = array(

    'title' => 'Add new profile',

    'page callback' => 'imce_profile_operations',

    'access arguments' => $access,

    'type' => MENU_CALLBACK,

    'file' => 'inc/admin.inc',

  );

  $items['user/%user/imce'] = array(

    'title' => 'File browser',

    'page callback' => 'imce_user_page',

    'page arguments' => array(1),

    'access callback' => 'imce_user_page_access',

    'access arguments' => array(1),

    'file' => 'inc/page.inc',

    'type' => MENU_LOCAL_TASK,

    'weight' => 10,

  );

  return $items;

}

/**

 * Implementation of hook_theme().

 */

function imce_theme() {

  $path = drupal_get_path('module', 'imce') .'/tpl';

  $theme['imce_admin']['function'] = 'imce_admin_theme';

  $theme['imce_directories']['function'] = 'imce_directories_theme';

  $theme['imce_thumbnails']['function'] = 'imce_thumbnails_theme';

  $theme['imce_file_list'] = array(

    'template' => 'imce-file-list',

    'arguments' => array('imce_ref' => NULL),

    'path' => $path,

  );

  $theme['imce_content'] = array(

    'template' => 'imce-content',

    'arguments' => array('tree' => NULL, 'forms' => NULL, 'imce_ref' => NULL),

    'path' => $path,

  );

  $theme['imce_page'] = array(

    'template' => 'imce-page',

    'arguments' => array('content' => NULL),

    'path' => $path,

  );

  return $theme;

}

/**

 * Implementation of hook_file_download().

 */

function imce_file_download($file) {

  if ($path = file_create_path($file)) {

    if ($info = @getimagesize($path)) {

      $type = $info['mime'];

    }

    else if (function_exists('finfo_file') && $finfo = @finfo_open(FILEINFO_MIME)) {

      $type = finfo_file($finfo, $path);

      finfo_close($finfo);

    }

    else if ($result = db_result(db_query("SELECT filemime FROM {files} WHERE filepath = '%s'", $path))) {

      $type = $result;

    }

    else if (function_exists('mime_content_type')) {

      $type = mime_content_type($path);

    }

    else {

      $type = 'application/x-download';

    }

    return array('Content-type: '. $type, 'Content-Length: '. filesize($path));

  }

}

/**

 * Implementation of hook_elements().

 */

function imce_elements() {

  return array('textarea' => array('#process' => array('imce_textarea')));

}

/**

 * Inline image/link insertion to textareas.

 */

function imce_textarea($element) {

  static $ids;

  if (!isset($ids)) {

    $ids = FALSE;

    if (imce_access() && $setting = str_replace(' ', '', variable_get('imce_settings_textarea', ''))) {

      $ids = array();

      foreach (explode(',', $setting) as $id) {

        $ids[$id] = 1;

      }

    }

  }

  if ($ids && isset($ids[$element['#id']])) {

    drupal_add_js(drupal_get_path('module', 'imce') .'/js/imce_set_inline.js');

    $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' => 'imce-inline-image'))), '!link' => l(t('link'), 'imce', array('attributes' => array('name' => $element['#id'] .'-IMCE-link', 'class' => 'imce-inline-link'))))) .'</div>';

  }

  return $element;

}

/**

 * Get the profile for the user.

 */

function imce_user_profile($user) {

  $profiles = variable_get('imce_profiles', array());

  if ($user->uid == 1 && isset($profiles[1])) {

    return $profiles[1];

  }

  else {

    foreach (variable_get('imce_roles_profiles', array()) as $rid => $role) {

      if (isset($user->roles[$rid]) && isset($profiles[$role['pid']])) {

        return $profiles[$role['pid']];

      }

    }

  }

  return FALSE;

}

/**

 * Check if the user has access to imce.

 */

function imce_access($user = FALSE) {

  if ($user === FALSE) {

    global $user;

  }

  if ($user->uid == 1) {

    return TRUE;

  }

  $roles_profiles = variable_get('imce_roles_profiles', array());

  foreach ($user->roles as $rid => $name) {

    if (isset($roles_profiles[$rid]['pid']) && $roles_profiles[$rid]['pid']) {

      return TRUE;

    }

  }

  return FALSE;

}

/**

 * Defines access to user/{$account->uid}/imce for the $user.

 */

function imce_user_page_access($account, $user = FALSE) {

  if ($user === FALSE) {

    global $user;

  }

  return $user->uid == 1 || ($account->uid == $user->uid && imce_access($user));

}

/**

 * Check if the directory name is regular.

 */

function imce_reg_dir($dirname) {

  return $dirname == '.' || (is_string($dirname) && $dirname != '' && !preg_match('@(^\s)|(^/)|(^\./)|(\s$)|(/$)|(/\.$)|(\.\.)|(//)|(\\\\)|(/\./)@', $dirname));

}