Send a notification to the user if his/her FB-Connections became invalid (usualle...

diff --git a/facebook/facebook.php b/facebook/facebook.php
index 3ed40c918180011cf1af93db7356a5daced37338..24632240652e3decca5ba0b856ae844d2c00bae7 100755 (executable)
--- a/facebook/facebook.php
+++ b/facebook/facebook.php
@@ -62,6 +62,7 @@ function facebook_install() {
        register_hook('jot_networks',     'addon/facebook/facebook.php', 'facebook_jot_nets');
        register_hook('connector_settings',  'addon/facebook/facebook.php', 'facebook_plugin_settings');
        register_hook('cron',             'addon/facebook/facebook.php', 'facebook_cron');
+       register_hook('enotify',          'addon/facebook/facebook.php', 'facebook_enotify');
        register_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
 }
 
@@ -72,6 +73,7 @@ function facebook_uninstall() {
        unregister_hook('jot_networks',     'addon/facebook/facebook.php', 'facebook_jot_nets');
        unregister_hook('connector_settings',  'addon/facebook/facebook.php', 'facebook_plugin_settings');
        unregister_hook('cron',             'addon/facebook/facebook.php', 'facebook_cron');
+       unregister_hook('enotify',          'addon/facebook/facebook.php', 'facebook_enotify');
        unregister_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
 
        // hook moved
@@ -595,7 +597,7 @@ function facebook_cron($a,$b) {
                                
                                if(strlen($a->config['admin_email']) && !get_config('facebook', 'realtime_err_mailsent')) {
                                        $res = mail($a->config['admin_email'], t('Problems with Facebook Real-Time Updates'), 
-                                               "Hi!\n\nThere's a problem with the Facebook Real-Time Updates that cannob be solved automatically. Maybe an permission issue?\n\nThis e-mail will only be sent once.",
+                                               "Hi!\n\nThere's a problem with the Facebook Real-Time Updates that cannot be solved automatically. Maybe an permission issue?\n\nThis e-mail will only be sent once.",
                                                'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
                                                . 'Content-type: text/plain; charset=UTF-8' . "\n"
                                                . 'Content-transfer-encoding: 8bit'
@@ -909,6 +911,7 @@ function facebook_post_hook(&$a,&$b) {
                                                        dbesc('fb::' . $retj->id),
                                                        intval($b['id'])
                                                );
+                                               del_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
                                        }
                                        else {
                                                if(! $likes) {
@@ -917,6 +920,25 @@ function facebook_post_hook(&$a,&$b) {
                                                        add_to_queue($a->contact,NETWORK_FACEBOOK,$s);
                                                        notice( t('Facebook post failed. Queued for retry.') . EOL);
                                                }
+                                               
+                                               if (isset($retj->error) && $retj->error->type == "OAuthException" && $retj->error->code == 190) {
+                                                       logger('Facebook session has expired due to changed password.', LOGGER_DEBUG);
+                                                       if (!get_pconfig($b['uid'], 'facebook', 'session_expired_mailsent')) {
+                                                               require_once('include/enotify.php');
+                                                       
+                                                               $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($b['uid']) );
+                                                               notification(array(
+                                                                       'uid' => $b['uid'],
+                                                                       'type' => NOTIFY_SYSTEM,
+                                                                       'system_type' => 'facebook_connection_invalid',
+                                                                       'language'     => $r[0]['language'],
+                                                                       'to_name'      => $r[0]['username'],
+                                                                       'to_email'     => $r[0]['email'],
+                                                               ));
+                                                               
+                                                               set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', '1');
+                                                       }
+                                               }
                                        }
                                        
                                        logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
@@ -926,6 +948,13 @@ function facebook_post_hook(&$a,&$b) {
        }
 }
 
+function facebook_enotify(&$app, &$data) {
+       if (x($data, 'params') && $data['params']['type'] == NOTIFY_SYSTEM && x($data['params'], 'system_type') && $data['params']['system_type'] == 'facebook_connection_invalid') {
+               $data['itemlink'] = '/facebook';
+               $data['epreamble'] = $data['preamble'] = t('Your Facebook connection became invalid. Please Re-authenticate.');
+               $data['subject'] = t('Facebook connection became invalid');
+       }
+}
 
 function facebook_post_local(&$a,&$b) {