<?php

// $Id: upload.admin.inc,v 1.7 2008/01/10 20:22:57 goba Exp $

/**

 * Form API callback to validate the upload settings form.

 */

function upload_admin_settings_validate($form, &$form_state) {

  if (($form_state['values']['upload_max_resolution'] != '0')) {

    if (!preg_match('/^[0-9]+x[0-9]+$/', $form_state['values']['upload_max_resolution'])) {

      form_set_error('upload_max_resolution', t('The maximum allowed image size expressed as WIDTHxHEIGHT (e.g. 640x480). Set to 0 for no restriction.'));

    }

  }

  $default_uploadsize = $form_state['values']['upload_uploadsize_default'];

  $default_usersize = $form_state['values']['upload_usersize_default'];

  $exceed_max_msg = t('Your PHP settings limit the maximum file size per upload to %size.', array('%size' => format_size(file_upload_max_size()))) .'<br/>';

  $more_info = t("Depending on your server environment, these settings may be changed in the system-wide php.ini file, a php.ini file in your Drupal root directory, in your Drupal site's settings.php file, or in the .htaccess file in your Drupal root directory.");

  if (!is_numeric($default_uploadsize) || ($default_uploadsize <= 0)) {

    form_set_error('upload_uploadsize_default', t('The %role file size limit must be a number and greater than zero.', array('%role' => t('default'))));

  }

  if (!is_numeric($default_usersize) || ($default_usersize <= 0)) {

    form_set_error('upload_usersize_default', t('The %role file size limit must be a number and greater than zero.', array('%role' => t('default'))));

  }

  if ($default_uploadsize * 1024 * 1024 > file_upload_max_size()) {

    form_set_error('upload_uploadsize_default', $exceed_max_msg . $more_info);

    $more_info = '';

  }

  if ($default_uploadsize > $default_usersize) {

    form_set_error('upload_uploadsize_default', t('The %role maximum file size per upload is greater than the total file size allowed per user', array('%role' => t('default'))));

  }

  foreach ($form_state['values']['roles'] as $rid => $role) {

    $uploadsize = $form_state['values']['upload_uploadsize_'. $rid];

    $usersize = $form_state['values']['upload_usersize_'. $rid];

    if (!is_numeric($uploadsize) || ($uploadsize <= 0)) {

      form_set_error('upload_uploadsize_'. $rid, t('The %role file size limit must be a number and greater than zero.', array('%role' => $role)));

    }

    if (!is_numeric($usersize) || ($usersize <= 0)) {

      form_set_error('upload_usersize_'. $rid, t('The %role file size limit must be a number and greater than zero.', array('%role' => $role)));

    }

    if ($uploadsize * 1024 * 1024 > file_upload_max_size()) {

      form_set_error('upload_uploadsize_'. $rid, $exceed_max_msg . $more_info);

      $more_info = '';

    }

    if ($uploadsize > $usersize) {

      form_set_error('upload_uploadsize_'. $rid, t('The %role maximum file size per upload is greater than the total file size allowed per user', array('%role' => $role)));

    }

  }

}

/**

 * Menu callback for the upload settings form.

 */

function upload_admin_settings() {

  $upload_extensions_default = variable_get('upload_extensions_default', 'jpg jpeg gif png txt doc xls pdf ppt pps odt ods odp');

  $upload_uploadsize_default = variable_get('upload_uploadsize_default', 1);

  $upload_usersize_default = variable_get('upload_usersize_default', 1);

  $form['settings_general'] = array(

    '#type' => 'fieldset',

    '#title' => t('General settings'),

    '#collapsible' => TRUE,

  );

  $form['settings_general']['upload_max_resolution'] = array(

    '#type' => 'textfield',

    '#title' => t('Maximum resolution for uploaded images'),

    '#default_value' => variable_get('upload_max_resolution', 0),

    '#size' => 15,

    '#maxlength' => 10,

    '#description' => t('The maximum allowed image size (e.g. 640x480). Set to 0 for no restriction. If an <a href="!image-toolkit-link">image toolkit</a> is installed, files exceeding this value will be scaled down to fit.', array('!image-toolkit-link' => url('admin/settings/image-toolkit'))),

    '#field_suffix' => '<kbd>'. t('WIDTHxHEIGHT') .'</kbd>'

  );

  $form['settings_general']['upload_list_default'] = array(

    '#type' => 'select',

    '#title' => t('List files by default'),

    '#default_value' => variable_get('upload_list_default', 1),

    '#options' => array(0 => t('No'), 1 => t('Yes')),

    '#description' => t('Display attached files when viewing a post.'),

  );

  $form['settings_general']['upload_extensions_default'] = array(

    '#type' => 'textfield',

    '#title' => t('Default permitted file extensions'),

    '#default_value' => $upload_extensions_default,

    '#maxlength' => 255,

    '#description' => t('Default extensions that users can upload. Separate extensions with a space and do not include the leading dot.'),

  );

  $form['settings_general']['upload_uploadsize_default'] = array(

    '#type' => 'textfield',

    '#title' => t('Default maximum file size per upload'),

    '#default_value' => $upload_uploadsize_default,

    '#size' => 5,

    '#maxlength' => 5,

    '#description' => t('The default maximum file size a user can upload. If an image is uploaded and a maximum resolution is set, the size will be checked after the file has been resized.'),

    '#field_suffix' => t('MB'),

  );

  $form['settings_general']['upload_usersize_default'] = array(

    '#type' => 'textfield',

    '#title' => t('Default total file size per user'),

    '#default_value' => $upload_usersize_default,

    '#size' => 5,

    '#maxlength' => 5,

    '#description' => t('The default maximum size of all files a user can have on the site.'),

    '#field_suffix' => t('MB'),

  );

  $form['settings_general']['upload_max_size'] = array('#value' => '<p>'. t('Your PHP settings limit the maximum file size per upload to %size.', array('%size' => format_size(file_upload_max_size()))) .'</p>');

  $roles = user_roles(FALSE, 'upload files');

  $form['roles'] = array('#type' => 'value', '#value' => $roles);

  foreach ($roles as $rid => $role) {

    $form['settings_role_'. $rid] = array(

      '#type' => 'fieldset',

      '#title' => t('Settings for @role', array('@role' => $role)),

      '#collapsible' => TRUE,

      '#collapsed' => TRUE,

    );

    $form['settings_role_'. $rid]['upload_extensions_'. $rid] = array(

      '#type' => 'textfield',

      '#title' => t('Permitted file extensions'),

      '#default_value' => variable_get('upload_extensions_'. $rid, $upload_extensions_default),

      '#maxlength' => 255,

      '#description' => t('Extensions that users in this role can upload. Separate extensions with a space and do not include the leading dot.'),

    );

    $form['settings_role_'. $rid]['upload_uploadsize_'. $rid] = array(

      '#type' => 'textfield',

      '#title' => t('Maximum file size per upload'),

      '#default_value' => variable_get('upload_uploadsize_'. $rid, $upload_uploadsize_default),

      '#size' => 5,

      '#maxlength' => 5,

      '#description' => t('The maximum size of a file a user can upload. If an image is uploaded and a maximum resolution is set, the size will be checked after the file has been resized.'),

      '#field_suffix' => t('MB'),

    );

    $form['settings_role_'. $rid]['upload_usersize_'. $rid] = array(

      '#type' => 'textfield',

      '#title' => t('Total file size per user'),

      '#default_value' => variable_get('upload_usersize_'. $rid, $upload_usersize_default),

      '#size' => 5,

      '#maxlength' => 5,

      '#description' => t('The maximum size of all files a user can have on the site.'),

      '#field_suffix' => t('MB'),

    );

  }

  $form['#validate'] = array('upload_admin_settings_validate');

  return system_settings_form($form);

}