Club Drupal

  // Checkbox to add default CAPTCHA to all non listed forms as well.

  $form['captcha_form_protection']['captcha_default_challenge_on_nonlisted_forms'] = array(

    '#type' => 'checkbox',

    '#title' => t('Default challenge on non-listed forms.'),

    '#default_value' => variable_get('captcha_default_challenge_on_nonlisted_forms', FALSE),

    '#description' => t('Normally, no challenge is added to forms that are not listed above. Enabling this option will add the default challenge instead.'),

  );

  variable_set('captcha_default_challenge_on_nonlisted_forms', $form_state['values']['captcha_default_challenge_on_nonlisted_forms']);

  // Fetch setting from database.

  // If no setting is available in database for the given form,

  // but 'captcha_default_challenge_on_nonlisted_forms' is enabled, pick the default type anyway

  if (!$captcha_point && variable_get('captcha_default_challenge_on_nonlisted_forms', FALSE))

  {

    $captcha_point = (object) array('captcha_type' => 'default');

  }

  // Handle (default) settings and symbolic mode.

; Information added by Drupal.org packaging script on 2014-07-06

version = "7.x-1.1"

datestamp = "1404666828"

  $captcha_token = db_select('captcha_sessions', 'c')

    ->fields('c', array('token'))

    ->execute()

    ->fetchField();

  if (!isset($captcha_token) && !$form_state['submitted']) {

    // Additional one-time CAPTCHA token: store in database and send with form.

    $captcha_token = md5(mt_rand());

    db_update('captcha_sessions')

      ->fields(array('token' => $captcha_token))

      ->condition('csid', $captcha_sid)

      ->execute();

  }

  elseif (

    variable_get('captcha_administration_mode', FALSE)

    && user_access('administer CAPTCHA settings')

    && (arg(0) != 'admin' || variable_get('captcha_allow_on_admin_pages', FALSE))

; Information added by Drupal.org packaging script on 2014-07-06

version = "7.x-1.1"

datestamp = "1404666828"

    // Seed the random generators used for image CAPTCHA distortion based on session and code

    // to counter attacks that re-request the same challenge and pick the simplest image one or combine info.

    $seed = hexdec(substr(md5($captcha_sid . $code), 0, 8));

    srand($seed);

    mt_srand($seed);

    $wavelength_xr = (2 + 3 * mt_rand(0, 1000) / 1000) * $font_size;

    $wavelength_yr = (2 + 3 * mt_rand(0, 1000) / 1000) * $font_size;

    $wavelength_xt = (2 + 3 * mt_rand(0, 1000) / 1000) * $font_size;

    $wavelength_yt = (2 + 3 * mt_rand(0, 1000) / 1000) * $font_size;

 * Theming

Theming

-------

Embedded Timelines offer a number of customization options such as theme, layout

and border color but, due to the way embedded timelines are implemented, custom

theming using CSS can be difficult.

To add custom CSS to embedded timelines check out the

(http://github.com/kevinburke/customize-twitter-1.1) Customize Twitter project.

    $twitter_block['username'] = $this->randomName(8);

  // to modify this form, so add a base form ID.

  // added because of the base form ID by providing these handlers manually.

  // Save the block configuration.

      'username' => $form_state['values']['username'],

  // Store block delta to allow other modules to work with new block.

  // Run the normal new block submission (borrowed from block_add_block_form_submit).

  // Store regions per theme for this block.

; Information added by Drupal.org packaging script on 2014-07-09

version = "7.x-2.2"

datestamp = "1404893628"

      'username' => array(

        'type' => 'varchar',

        'length' => 128,

        'not null' => TRUE,

        'default' => '',

        'description' => 'Account username.',

      ),

  // Remove blocks.

  // Remove variables.

  variable_del('twitter_block_cache');

  variable_del('twitter_block_last_cache');

  // Remove the cache directory.

  twitter_block_clear_js_cache();

  // Clear the site cache.

  // Remove old Twitter Block schema.

  // Remove any old Twitter Block blocks.

  // Clear the site cache.

  // Install the new Twitter Block schema.

/**

 * Add a column to the {twitter_block} table to store the Twitter account username.

 */

function twitter_block_update_7201() {

  db_add_field('twitter_block', 'username', array(

    'type' => 'varchar',

    'length' => 128,

    'not null' => TRUE,

    'default' => '',

    'description' => 'Account username.',

  ));

}

/**

 * Implements hook_cron().

 */

function twitter_block_cron() {

  // Regenerate the JavaScript file every day.

  if (REQUEST_TIME - variable_get('twitter_block_last_cache', 0) >= 86400 && variable_get('twitter_block_cache', TRUE)) {

    // Synchronize the widget code and update it if remote file have changed.

    twitter_block_cache(TRUE);

    // Record when the synchronization occurred.

    variable_set('twitter_block_last_cache', REQUEST_TIME);

  }

}

  // Create an array of block settings.

  // Add a local action to the block configuration page.

  // Get the default site theme.

  // Add a local action to the per-theme block configuration pages.

  // Add delete links to Twitter Block blocks.

 *   - username: Account username.

    'username' => '',

  $form['username'] = array(

    '#type' => 'textfield',

    '#title' => t('Username'),

    '#default_value' => $edit['username'],

    '#required' => TRUE,

    '#description' => t('A Twitter account username. This is used to generate a fallback link to the Twitter account associated with the widget when JavaScript is not available. You can find your account username by visting the <a href="@account_section">account section of your settings page</a> or on your profile page in the URL or prefixed with @ under your display name.', array('@account_section' => 'https://twitter.com/settings/account')),

  );

 *   - username: Account username.

  // Save the block configuration.

      'username' => $edit['username'],

  // Unserialize the timeline.

    '#type' => 'link',

    '#title' => t('Tweets by @username', array('@username' => $config['username'])),

    '#href' => 'https://twitter.com/' . $config['username'],

  // Use a locally cached copy of widgets.js by default.

  if (variable_get('twitter_block_cache', TRUE) && $url = twitter_block_cache()) {

    $block['content']['#attached']['js'] = array(

      array(

        'data' => $url,

        'type' => 'file',

      ),

    );

  }

  else {

    $block['content']['#attached']['js'] = array(

      '//platform.twitter.com/widgets.js' => array(

        'type' => 'external',

        'scope' => 'footer',

      ),

    );

  }

    $block['content']['#options']['attributes']['data-aria-polite'] = $data['polite'];

/**

 * Download/Synchronize/Cache widget code file locally.

 *

 * @param $sync_cached_file

 *   Synchronize widget code and update if remote file have changed.

 * @return mixed

 *   The path to the local javascript file on success, boolean FALSE on failure.

 */

function twitter_block_cache($sync_cached_file = FALSE) {

  $location = 'http://platform.twitter.com/widgets.js';

  $path = 'public://twitter_block';

  $file_destination = $path . '/' . basename($location);

  if (!file_exists($file_destination) || $sync_cached_file) {

    // Download the latest widget code.

    $result = drupal_http_request($location);

    if ($result->code == 200) {

      if (file_exists($file_destination)) {

        // Synchronize widget code and and replace local file if outdated.

        $data_hash_local = drupal_hash_base64(file_get_contents($file_destination));

        $data_hash_remote = drupal_hash_base64($result->data);

        // Check that the files directory is writable.

        if ($data_hash_local != $data_hash_remote && file_prepare_directory($path)) {

          // Save updated widget code file to disk.

          file_unmanaged_save_data($result->data, $file_destination, FILE_EXISTS_REPLACE);

          watchdog('twitter_block', 'Locally cached widget code file has been updated.', array(), WATCHDOG_INFO);

          // Change query-strings on css/js files to enforce reload for all users.

          _drupal_flush_css_js();

        }

      }

      else {

        // Check that the files directory is writable.

        if (file_prepare_directory($path, FILE_CREATE_DIRECTORY)) {

          // There is no need to flush JS here as core refreshes JS caches

          // automatically, if new files are added.

          file_unmanaged_save_data($result->data, $file_destination, FILE_EXISTS_REPLACE);

          watchdog('twitter_block', 'Locally cached widget code file has been saved.', array(), WATCHDOG_INFO);

          // Return the local JS file path.

          return file_create_url($file_destination);

        }

      }

    }

  }

  else {

    // Return the local JS file path.

    return file_create_url($file_destination);

  }

}

/**

 * Delete cached files and directory.

 */

function twitter_block_clear_js_cache() {

  $path = 'public://twitter_block';

  if (file_prepare_directory($path)) {

    file_scan_directory($path, '/.*/', array('callback' => 'file_unmanaged_delete'));

    drupal_rmdir($path);

    // Change query-strings on css/js files to enforce reload for all users.

    _drupal_flush_css_js();

    watchdog('twitter_block', 'Local cache has been purged.', array(), WATCHDOG_INFO);

  }

}