oembedembedly.module in oEmbed 6.0

Embed.ly support for oEmbed.module

File

oembedembedly.module

<?php

/**
 * @file
 * Embed.ly support for oEmbed.module
 */

/**
 * Implementation of hook_menu().
 */
function oembedembedly_menu() {
  $items = array();
  $items['admin/build/oembed/provider/embedly'] = array(
    'title' => 'Embed.ly',
    'description' => 'Settings for the Embed.ly provider.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array(
      'oembedembedly_admin',
    ),
    'type' => MENU_LOCAL_TASK,
    'access arguments' => array(
      'administer oembed presets',
    ),
  );
  return $items;
}

/**
 * Implementation of hook_default_oembedcore_provider().
 */
function oembedembedly_default_oembedcore_provider() {
  $providers = array();
  $cache = cache_get('oembedly');
  if ($cache && isset($cache->data)) {
    $json = $cache->data;
  }
  else {
    $json = drupal_http_request('http://api.embed.ly/1/services');
    if ($json->code == 200) {
      $json = json_decode($json->data);
    }
    else {
      $json = FALSE;
    }
    cache_set('oembedly', $json, 'cache', time() + 3600 * ($json ? 24 : 6));
    if (variable_get('oembedembedly_default', TRUE)) {
      cache_clear_all('oembedcore:providers', 'cache');
    }
  }
  if (is_array($json)) {
    foreach ($json as $embedly_provider) {
      $provider = new stdClass();
      $provider->disabled = !variable_get('oembedembedly_default', TRUE);
      $provider->name = 'oembedembedly_' . $embedly_provider->name;
      $provider->title = $embedly_provider->displayname . ' (Embed.ly)';
      $provider->endpoint = 'http://api.embed.ly/1/oembed';
      $provider->scheme = implode("\n", $embedly_provider->regex);
      $providers['oembedembedly_' . $embedly_provider->name] = $provider;
    }
  }
  return $providers;
}
function oembedembedly_admin() {
  $form['oembedembedly_default'] = array(
    '#type' => 'radios',
    '#title' => t('Providers enabled by default'),
    '#default_value' => variable_get('oembedembedly_default', TRUE),
    '#options' => array(
      FALSE => t('Disabled'),
      TRUE => t('Enabled'),
    ),
    '#description' => t('This option defines whether providers should be enabled by default or not.'),
  );
  $form['oembedembedly_api_key'] = array(
    '#type' => 'textfield',
    '#title' => t('Embed.ly API Key'),
    '#default_value' => variable_get('oembedembedly_api_key', NULL),
    '#description' => t('Embed.ly requires developers to authenticate their requests to all endpoints. You must <a href="@pricing">sign up for any of the plans</a> to receive a key.', array(
      '@pricing' => 'http://embed.ly/pricing',
    )),
  );
  return system_settings_form($form);
}

/**
 * Implement hook_oembedprovider_alter().
 *
 * This is to workaround embed.ly's nonstandard oembed descriptions.
 *
 * @todo Support wildcards in TLDs.
 */
function oembedembedly_oembedprovider_alter(&$providers) {

  // oEmbed standard dictates that wildcards can only be used for subdomains in
  // URL schemes. embed.ly breaks this rule, which causes unmatchable domains.
  foreach ($providers as $host => $patterns) {

    // When the first character is * such as *youtube.com.
    if (strpos($host, '*') === 0) {
      $new_host = drupal_substr($host, 1);
      if (!empty($providers[$new_host])) {
        $providers[$new_host] = array_merge($providers[$new_host], $patterns);
      }
      else {
        $providers[$new_host] = $patterns;
      }
      unset($providers[$host]);
    }
  }
}

/**
 * Implement hook_oembed_request_alter().
 */
function oembedembedly_oembed_request_alter(&$attributes, &$provider, $url) {
  if (strpos($provider['name'], 'oembedembedly_') === 0) {
    $attributes['key'] = variable_get('oembedembedly_api_key', NULL);
  }
}

Functions

Name	Description
oembedembedly_admin
oembedembedly_default_oembedcore_provider	Implementation of hook_default_oembedcore_provider().
oembedembedly_menu	Implementation of hook_menu().
oembedembedly_oembedprovider_alter	Implement hook_oembedprovider_alter().
oembedembedly_oembed_request_alter	Implement hook_oembed_request_alter().