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<?php
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/**
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| 3 |
* @file
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| 4 |
* Defines a custom node type that stores a facebook application configuration.
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| 5 |
*/
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define('FB_APP_REQ_API_KEY', 'fb_sig_api_key');
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// Events that a facebook app might need to know about:
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define('FB_APP_EVENT_POST_AUTHORIZE', 'post_authorize');
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| 11 |
define('FB_APP_EVENT_POST_REMOVE', 'post_remove');
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define('FB_APP_PATH_EVENT', 'fb_app/event');
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define('FB_APP_OP_EVENT', 'fb_app_event');
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/**
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* hook_fb
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*/
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function fb_app_fb($op, $data, &$return) {
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$fb = $data['fb'];
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$fb_app = $data['fb_app'];
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if ($op == FB_OP_GET_APP) {
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// Load app data, using the criteria passed in
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| 24 |
if ($data['nid'])
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$fb_app = db_fetch_object(db_query("SELECT * FROM {fb_app} fb INNER JOIN {node} n ON n.nid=fb.nid WHERE fb.nid=%d and status=1",
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$data['nid']));
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else if ($data['apikey']) {
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$fb_app = db_fetch_object(db_query("SELECT * FROM {fb_app} fb INNER JOIN {node} n ON n.nid=fb.nid WHERE apikey='%s' and status=1",
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$data['apikey']));
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}
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else if ($data['label']) {
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$fb_app = db_fetch_object(db_query("SELECT * FROM {fb_app} fb INNER JOIN {node} n ON n.nid=fb.nid WHERE label='%s' and status=1",
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$data['label']));
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}
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if ($fb_app)
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$return = $fb_app;
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// If we didn't find the app, maybe someone else has written a module that
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// stores app info in a different way.
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}
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else if ($op == FB_OP_GET_ALL_APPS) {
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// Return all known applications
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$result = _fb_app_query_all();
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while ($app = db_fetch_object($result)) {
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$return[] = $app;
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}
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}
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else if ($op == FB_OP_SET_PROPERTIES) {
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$url = url(FB_SETTINGS_APP_NID . '/' . $fb_app->nid . '/' . FB_APP_PATH_EVENT, array('absolute' => TRUE)) . '/';
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$return['uninstall_url'] = $url . FB_APP_EVENT_POST_REMOVE;
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$return['authorize_url'] = $url . FB_APP_EVENT_POST_AUTHORIZE;
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}
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else if ($op == FB_OP_LIST_PROPERTIES) {
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$return[t('Application Name')] = 'application_name';
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$return[t('About URL')] = 'about_url';
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$return[t('Post-Authorize Callback URL')] = 'authorize_url';
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$return[t('Post-Remove Callback URL')] = 'uninstall_url';
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}
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}
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/**
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* Loader callback for drupal menu api.
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*/
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function fb_app_nid_load($nid) {
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$node = node_load($nid);
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if ($node->type == 'fb_app') {
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return $node;
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}
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}
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/**
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* Implementation of hook_menu().
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*/
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function fb_app_menu() {
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$items = array();
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// Allow facebook to notify on various events, like adding or removing an app.
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$items[FB_APP_PATH_EVENT] =
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array('access callback' => TRUE,
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'page callback' => 'fb_app_event_cb',
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'type' => MENU_CALLBACK,
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);
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return $items;
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}
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/**
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* Callback for FB_APP_PATH_EVENT.
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*
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* We don't act on the events directly. We pass the information along via
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* hook_fb. Other modules are thus notified of the event and can take action.
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*/
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function fb_app_event_cb($event_type) {
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fb_invoke(FB_APP_OP_EVENT, array('event_type' => $event_type,
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'fb_app' => $GLOBALS['fb_app'],
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'fb' => $GLOBALS['fb']));
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// This page is called by facebook, not a user's browser.
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print('Thanks Facebook, for your fancy API!');
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// Problems if we save session during Facebook Connect, because the event callback's share session with normal pages.
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session_save_session(FALSE);
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exit();
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}
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/**
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* hook_node_info.
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*/
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function fb_app_node_info() {
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return array('fb_app' =>
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array('name' => t('Facebook Application'),
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'module' => 'fb_app',
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'description' => t('Information such as apikey and secret for a facebook.com application.'),
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'help' => t('Configure the behavior of your Facebook Application.'),
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),
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);
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}
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function fb_app_access($op, $node, $account) {
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if (user_access('administer fb apps', $account))
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return TRUE;
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if ($op == 'create' && user_access('create fb apps', $account))
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return TRUE;
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else if ($op == 'update' || $op == 'delete') {
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if ($node->uid == $account->uid &&
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user_access('edit own fb apps', $account))
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return TRUE;
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}
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}
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function fb_app_perm() {
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return array('administer fb apps', 'create fb apps', 'edit own fb apps');
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}
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function fb_app_form(&$node, &$param) {
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// Helpful link
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if (!$node->nid) {
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drupal_set_message(t("Before completing this form, <a href=!url>create your application</a> on Facebook.",
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array('!url' => 'http://www.facebook.com/developers/editapp.php?new')));
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}
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$form = array();
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$type = node_get_types('type', $node);
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// We need to define form elements for the node's title and body.
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$form['title'] = array('#type' => 'textfield',
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'#title' => check_plain($type->title_label),
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'#required' => TRUE,
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'#default_value' => $node->title,
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'#weight' => -5,
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'#description' => t('Identifies the application to site administrators.'),
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);
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// We want the body and filter elements to be adjacent. We could try doing
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// this by setting their weights, but another module might add elements to the
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| 148 |
// form with the same weights and end up between ours. By putting them into a
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// sub-array together, we're able force them to be rendered together.
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$form['body_filter']['body'] =
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array('#type' => 'textarea',
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'#title' => check_plain($type->body_label),
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'#default_value' => $node->body,
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'#required' => FALSE,
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'#description' => 'A brief description of the application.',
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);
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$form['body_filter']['filter'] = filter_form($node->format);
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// Now we define the form elements specific to our node type.
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$form['fb_app'] = array('#tree' => TRUE,
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'#weight' => -4,
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'#validate' => array('fb_app_validate_fb_app' => array()),
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);
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$form['fb_app']['label'] = array('#type' => 'textfield',
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'#title' => t('Label'),
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'#required' => TRUE,
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'#default_value' => $node->fb_app->label,
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'#description' => t('Used behind the scenes, for naming roles, styles, etc. Use no spaces or weird characters.<br/>Working with multiple copies of a site (i.e. development, staging, production)? Use the <strong>same</strong> label for each. Node id and apikey will change from server to server, but the label remains the same.'),
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);
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$form['fb_app']['apikey'] = array('#type' => 'textfield',
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'#title' => t('API Key'),
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'#required' => TRUE,
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'#default_value' => $node->fb_app->apikey,
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'#description' => t('Facebook will generate this value when you create the application.'),
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);
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$form['fb_app']['secret'] = array('#type' => 'textfield',
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'#title' => t('Secret'),
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'#required' => TRUE,
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'#default_value' => $node->fb_app->secret,
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'#description' => t('Facebook will generate this value when you create the application.'),
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);
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$form['fb_app']['id'] = array('#type' => 'textfield',
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'#title' => t('Facebook App ID'),
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'#required' => FALSE,
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'#default_value' => $node->fb_app->id,
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'#description' => t('To learn this number, visit your app\'s About Page (or other links from Facebook\'s Developer App). The URL will end in ?id=1234... Enter the number that follows "?id=" here.'),
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);
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// fb_app_data is a placeholder to make it easier for other module to attach
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// various settings to the node.
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$form['fb_app_data'] = array('#tree' => TRUE);
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// Add our own fields to fb_app_data. Other modules use hook_form_alter to do this.
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$fb_app_data = fb_app_get_data($node->fb_app);
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$data = $fb_app_data['fb_app'];
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if (!$data)
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$data = array('set_app_props' => TRUE); // defaults
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$form['fb_app_data']['fb_app']['set_app_props'] = array(
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'#type' => 'checkbox',
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'#title' => t('Set Application Properties Automatically'),
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'#description' => t('Automatically update Facebook settings for this application. Disable to prevent customized settings from being overwritten.'),
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'#default_value' => $data['set_app_props'],
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);
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return $form;
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}
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function fb_app_validate($node) {
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// TODO: check label is unique, and role name will be unique.
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// check apikey is unique, canvas page is unique
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$fb_app = (object) $node->fb_app;
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fb_app_get_app_properties($fb_app);
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if (!$fb_app->application_name) {
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form_set_error('fb_app][apikey', t('Unable to get application properties. Confirm both apikey and secret.'));
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}
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}
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function fb_app_validate_fb_app() {
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//dpm(func_get_args(), 'fb_app_validate_fb_app');
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}
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function fb_app_load($node) {
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$fb_app = db_fetch_object(db_query('SELECT * FROM {fb_app} WHERE nid=%d',
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$node->nid));
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$fb_app_data = fb_app_get_data($fb_app);
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return array('fb_app' => $fb_app,
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'fb_app_data' => $fb_app_data,
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);
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}
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| 235 |
function fb_app_view($node, $teaser=FALSE, $page=FALSE) {
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$node = node_prepare($node, $teaser);
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| 238 |
$fb_app = (object) $node->fb_app; // cast in case of preview
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| 239 |
fb_app_get_app_properties($fb_app);
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| 240 |
// Perhaps this info should be hidden, unless user can edit node.
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| 241 |
if (user_access('administer fb apps')) {
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| 242 |
if($fb_app->edit_url) {
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| 243 |
$node->content['edit_link'] = array(
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| 244 |
'#value' => '<p>' . t('<a href="!url">Edit this application</a> on Facebook.', array('!url' => $fb_app->edit_url)) . '</p>',
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| 245 |
'#type' => 'markup',
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);
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}
|
| 248 |
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| 249 |
$node->content['fb_app'] =
|
| 250 |
array('#value' => theme('fb_app', $fb_app),
|
| 251 |
'#weight' => 1);
|
| 252 |
|
| 253 |
}
|
| 254 |
return $node;
|
| 255 |
}
|
| 256 |
|
| 257 |
function fb_app_theme() {
|
| 258 |
return array(
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| 259 |
'fb_app' => array(
|
| 260 |
'arguments' => array('data' => NULL),
|
| 261 |
),
|
| 262 |
'dl' => array(
|
| 263 |
'arguments' => array('items' => NULL),
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| 264 |
),
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| 265 |
'fb_app_user_info' => array(
|
| 266 |
'arguments' => array('fb_app' => NULL, 'info' => NULL),
|
| 267 |
),
|
| 268 |
);
|
| 269 |
}
|
| 270 |
|
| 271 |
function fb_app_get_about_url($fb_app) {
|
| 272 |
if ($fb_app->id)
|
| 273 |
return url("http://www.facebook.com/apps/application.php",
|
| 274 |
array('query' => array('id' => $fb_app->id)));
|
| 275 |
}
|
| 276 |
|
| 277 |
function theme_fb_app($fb_app) {
|
| 278 |
// Get known properties
|
| 279 |
$props_map = fb_invoke(FB_OP_LIST_PROPERTIES, array('fb_app' => $fb_app), array());
|
| 280 |
$data = array(
|
| 281 |
t('Label') => $fb_app->label,
|
| 282 |
t('API Key') => $fb_app->apikey,
|
| 283 |
t('Secret') => $fb_app->secret,
|
| 284 |
);
|
| 285 |
foreach ($props_map as $name => $key) {
|
| 286 |
if ($fb_app->$key)
|
| 287 |
$data[$name] = $fb_app->$key;
|
| 288 |
}
|
| 289 |
|
| 290 |
$output .= theme('dl', $data);
|
| 291 |
return $output;
|
| 292 |
}
|
| 293 |
|
| 294 |
// this belongs elsewhere
|
| 295 |
function theme_dl($items) {
|
| 296 |
if (count($items)) {
|
| 297 |
$output = "<dl>\n";
|
| 298 |
foreach ($items as $term => $data) {
|
| 299 |
$output .= " <dt>$term</dt><dd>$data</dd>\n";
|
| 300 |
}
|
| 301 |
$output .= "</dl>\n";
|
| 302 |
return $output;
|
| 303 |
}
|
| 304 |
}
|
| 305 |
|
| 306 |
/**
|
| 307 |
* Get properties from Facebook. Fills in the data that we need to
|
| 308 |
* know by querying facebook.
|
| 309 |
*/
|
| 310 |
function fb_app_get_app_properties(&$fb_app) {
|
| 311 |
static $cache;
|
| 312 |
static $props_map;
|
| 313 |
if (!isset($cache)) {
|
| 314 |
$cache = array();
|
| 315 |
// http://wiki.developers.facebook.com/index.php/ApplicationProperties
|
| 316 |
$props_map = array(
|
| 317 |
t('About URL') => 'about_url',
|
| 318 |
t('Application Name') => 'application_name',
|
| 319 |
t('Edit URL') => 'edit_url',
|
| 320 |
);
|
| 321 |
$props_map = fb_invoke(FB_OP_LIST_PROPERTIES, array('fb_app' => $fb_app), $props_map);
|
| 322 |
}
|
| 323 |
|
| 324 |
if (!isset($cache[$fb_app->apikey])) {
|
| 325 |
if ($fb = fb_api_init($fb_app, FB_FBU_CURRENT)) {
|
| 326 |
try {
|
| 327 |
$props = $fb->api_client->admin_getAppProperties(array_values($props_map));
|
| 328 |
$cache[$fb_app->apikey] = $props;
|
| 329 |
} catch (Exception $e) {
|
| 330 |
fb_log_exception($e, t('Failed to get application properties from Facebook'));
|
| 331 |
}
|
| 332 |
}
|
| 333 |
}
|
| 334 |
else {
|
| 335 |
$props = $cache[$fb_app->apikey];
|
| 336 |
}
|
| 337 |
|
| 338 |
// Update $fb_app with the values we got from facebook api.
|
| 339 |
foreach ($props_map as $key) {
|
| 340 |
if ($props[$key]) {
|
| 341 |
$fb_app->$key = $props[$key];
|
| 342 |
}
|
| 343 |
}
|
| 344 |
}
|
| 345 |
|
| 346 |
function fb_app_set_app_properties($fb_app) {
|
| 347 |
$fb_app_data = fb_app_get_data($fb_app);
|
| 348 |
if ($fb_app_data['fb_app']['set_app_props']) {
|
| 349 |
$props = fb_invoke(FB_OP_SET_PROPERTIES, array('fb_app' => $fb_app), array());
|
| 350 |
if (count($props)) {
|
| 351 |
if ($fb = fb_api_init($fb_app, FB_FBU_CURRENT)) {
|
| 352 |
try {
|
| 353 |
$fb->api_client->admin_setAppProperties($props);
|
| 354 |
} catch (Exception $e) {
|
| 355 |
fb_log_exception($e, t('Failed to set application properties on Facebook'));
|
| 356 |
}
|
| 357 |
}
|
| 358 |
}
|
| 359 |
}
|
| 360 |
}
|
| 361 |
|
| 362 |
function fb_app_insert($node) {
|
| 363 |
$fb_app = (object) $node->fb_app;
|
| 364 |
fb_app_get_app_properties($fb_app); // Get canvas and possible other props
|
| 365 |
$fb_app->data = serialize($node->fb_app_data);
|
| 366 |
$fb_app->nid = $node->nid;
|
| 367 |
|
| 368 |
db_query("INSERT INTO {fb_app} (nid, label, apikey, secret, id, canvas, data) VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s')",
|
| 369 |
$node->nid, $fb_app->label, $fb_app->apikey, $fb_app->secret,
|
| 370 |
$fb_app->id,
|
| 371 |
$fb_app->canvas_name,
|
| 372 |
$fb_app->data
|
| 373 |
);
|
| 374 |
|
| 375 |
watchdog('fb_app', 'Created Facebook Application %label.',
|
| 376 |
array('%label' => $fb_app->label,
|
| 377 |
),
|
| 378 |
WATCHDOG_NOTICE,
|
| 379 |
l($node->title, 'node/'.$node->nid));
|
| 380 |
|
| 381 |
fb_app_set_app_properties($fb_app); // Set callback URL, etc.
|
| 382 |
}
|
| 383 |
|
| 384 |
function fb_app_update($node) {
|
| 385 |
$fb_app = (object) $node->fb_app;
|
| 386 |
fb_app_get_app_properties($fb_app); // Get canvas and possible other props
|
| 387 |
$fb_app->data = serialize($node->fb_app_data);
|
| 388 |
$fb_app->nid = $node->nid;
|
| 389 |
|
| 390 |
db_query("UPDATE {fb_app} SET label='%s', apikey='%s', secret='%s', id='%s', canvas='%s', data='%s' WHERE nid=%d",
|
| 391 |
$fb_app->label, $fb_app->apikey, $fb_app->secret,
|
| 392 |
$fb_app->id,
|
| 393 |
$fb_app->canvas_name,
|
| 394 |
$fb_app->data,
|
| 395 |
$node->nid);
|
| 396 |
|
| 397 |
fb_app_set_app_properties($fb_app); // Set callback URL, etc.
|
| 398 |
}
|
| 399 |
|
| 400 |
function fb_app_delete($node) {
|
| 401 |
db_query('DELETE FROM {fb_app} WHERE nid=%d',
|
| 402 |
$node->nid);
|
| 403 |
// Should we unset properties on facebook?
|
| 404 |
}
|
| 405 |
|
| 406 |
|
| 407 |
/**
|
| 408 |
* Convenience method for other modules to attach data to the fb_app object.
|
| 409 |
*/
|
| 410 |
function fb_app_get_data(&$fb_app) {
|
| 411 |
if (!$fb_app->fb_app_data) {
|
| 412 |
$fb_app->fb_app_data = unserialize($fb_app->data);
|
| 413 |
}
|
| 414 |
return $fb_app->fb_app_data;
|
| 415 |
}
|
| 416 |
|
| 417 |
/**
|
| 418 |
* Helper function returns a database query for all apps.
|
| 419 |
*/
|
| 420 |
function _fb_app_query_all() {
|
| 421 |
$result = db_query("SELECT fb.*, n.title FROM {fb_app} fb INNER JOIN {node} n ON n.nid=fb.nid WHERE status=1");
|
| 422 |
return $result;
|
| 423 |
}
|
| 424 |
function _fb_app_query_by_label($label) {
|
| 425 |
$result = db_query("SELECT fb.*, n.title FROM {fb_app} fb INNER JOIN {node} n ON n.nid=fb.nid WHERE n.status=1 AND fb.label = '%s'",
|
| 426 |
$label);
|
| 427 |
return $result;
|
| 428 |
}
|
| 429 |
|
| 430 |
/**
|
| 431 |
* Implementation of hook_user.
|
| 432 |
*/
|
| 433 |
function fb_app_user($op, &$edit, &$account, $category = NULL) {
|
| 434 |
$items = array();
|
| 435 |
if ($op == 'view') {
|
| 436 |
$result = _fb_app_query_all();
|
| 437 |
while ($fb_app = db_fetch_object($result)) {
|
| 438 |
// Learn this user's FB id
|
| 439 |
$fbu = fb_get_fbu($account->uid, $fb_app);
|
| 440 |
if ($fbu) {
|
| 441 |
// The drupal user is a facebook user. Now, learn more from facebook.
|
| 442 |
$fb = fb_api_init($fb_app, FB_FBU_ANY);
|
| 443 |
if (fb_facebook_user($fb)) {
|
| 444 |
try {
|
| 445 |
$info = $fb->api_client->users_getInfo(array($fbu),
|
| 446 |
array('about_me',
|
| 447 |
'affiliations',
|
| 448 |
'name',
|
| 449 |
'is_app_user',
|
| 450 |
'pic_big',
|
| 451 |
'profile_update_time',
|
| 452 |
'status',
|
| 453 |
));
|
| 454 |
} catch (Exception $e) {
|
| 455 |
fb_log_exception($e, "Failed to get Facebook user info for account $fbu");
|
| 456 |
}
|
| 457 |
}
|
| 458 |
if (count($info)) {
|
| 459 |
$output = theme('fb_app_user_info', $fb_app, $info[0]);
|
| 460 |
|
| 461 |
$items[$fb_app->label] = array('title' => $fb_app->title,
|
| 462 |
'value' => $output,
|
| 463 |
'class' => 'fb_app');
|
| 464 |
}
|
| 465 |
else
|
| 466 |
fb_report_errors($fb);
|
| 467 |
}
|
| 468 |
}
|
| 469 |
if (count($items))
|
| 470 |
return array(t('Facebook') => $items);
|
| 471 |
}
|
| 472 |
}
|
| 473 |
|
| 474 |
function theme_fb_app_user_info($fb_app, $info) {
|
| 475 |
if ($info['pic_big'])
|
| 476 |
$output .= '<p><img src="'.$info['pic_big'].'" /></p>';
|
| 477 |
$fb_link = l($info['name'], 'http://www.facebook.com/profile.php', array('query' => 'id=' . $info['uid']));
|
| 478 |
if ($info['is_app_user'])
|
| 479 |
$output .= '<p>' . t('!fb_link uses %title',
|
| 480 |
array('!fb_link' => $fb_link,
|
| 481 |
'%title' => $fb_app->title)) . '</p>';
|
| 482 |
else
|
| 483 |
$output .= '<p>'. t('!fb_link does not use %title',
|
| 484 |
array('!fb_link' => $fb_link,
|
| 485 |
'%title' => $fb_app->title)) . '</p>';
|
| 486 |
|
| 487 |
return $output;
|
| 488 |
}
|
| 489 |
|
| 490 |
function fb_app_token_list($type = 'all') {
|
| 491 |
if ($type == 'all' || $type == 'fb' || $type == 'fb_app') {
|
| 492 |
$tokens['fb_app']['fb-app-nid'] = t('Facebook application ID');
|
| 493 |
$tokens['fb_app']['fb-app-title'] = t('Facebook application title');
|
| 494 |
$tokens['fb_app']['fb-app-url'] = t('Facebook application URL (base path)');
|
| 495 |
}
|
| 496 |
return $tokens;
|
| 497 |
}
|
| 498 |
|
| 499 |
function fb_app_token_values($type = 'all', $object = NULL) {
|
| 500 |
if ($type == 'fb_app' && $object) {
|
| 501 |
$fb_app = $object;
|
| 502 |
$values['fb-app-title'] = $fb_app->title;
|
| 503 |
$values['fb-app-nid'] = $fb_app->nid;
|
| 504 |
$values['fb-app-url'] = 'http://apps.facebook.com/'.$fb_app->canvas;
|
| 505 |
}
|
| 506 |
return $values;
|
| 507 |
}
|
| 508 |
?>
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