]> git.mxchange.org Git - friendica-addons.git/blobdiff - facebook/facebook.php
Merge commit 'upstream/master'
[friendica-addons.git] / facebook / facebook.php
index a3d8a5b29e7b83adc0c414ece50cd21a47f6fa36..1afa996df08aab3163ce906f024acef65093bba3 100755 (executable)
@@ -57,7 +57,7 @@
 // see http://www.facebook.com/schrep/posts/203969696349811
 // define('FACEBOOK_MAXPOSTLEN', 420);
 define('FACEBOOK_MAXPOSTLEN', 63206);
-
+define('FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL', 259200); // 3 days
 
 function facebook_install() {
        register_hook('post_local',       'addon/facebook/facebook.php', 'facebook_post_local');
@@ -466,9 +466,21 @@ function facebook_content(&$a) {
                info( t('Updating contacts') . EOL);
        }
 
-
-       $fb_installed = get_pconfig(local_user(),'facebook','post');
-
+       $o = '';
+       
+       $fb_installed = false;
+       if (get_pconfig(local_user(),'facebook','post')) {
+               $access_token = get_pconfig(local_user(),'facebook','access_token');
+               if ($access_token) {
+                       $private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
+                       $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
+                       if($s) {
+                               $j = json_decode($s);
+                               if (isset($j->data)) $fb_installed = true;
+                       }
+               }
+       }
+       
        $appid = get_config('facebook','appid');
 
        if(! $appid) {
@@ -600,7 +612,7 @@ function facebook_cron($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 cannot 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 a permission issue?\n\nPlease try to re-activate it on " . $a->config["system"]["url"] . "/admin/plugins/facebook\n\nThis e-mail will only be sent once.",
                                                'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
                                                . 'Content-type: text/plain; charset=UTF-8' . "\n"
                                                . 'Content-transfer-encoding: 8bit'
@@ -631,17 +643,39 @@ function facebook_plugin_settings(&$a,&$b) {
 
 
 function facebook_plugin_admin(&$a, &$o){
+       $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("fbsave") . '">';
        
-       $activated = facebook_check_realtime_active();
-       if ($activated) {
-               $o = t('Real-Time Updates are activated.') . '<br><br>';
-               $o .= '<input type="submit" name="real_time_deactivate" value="' . t('Deactivate Real-Time Updates') . '">';
-       } else {
-               $o = t('Real-Time Updates not activated.') . '<br><input type="submit" name="real_time_activate" value="' . t('Activate Real-Time Updates') . '">';
+       $o .= '<h4>' . t('Facebook API Key') . '</h4>';
+       
+       $appid  = get_config('facebook', 'appid'  );
+       $appsecret = get_config('facebook', 'appsecret' );
+       
+       $o .= '<label for="fb_appid">' . t('App-ID / API-Key') . '</label><input name="appid" type="text" value="' . escape_tags($appid ? $appid : "") . '"><br style="clear: both;">';
+       $o .= '<label for="fb_appsecret">' . t('Application secret') . '</label><input name="appsecret" type="text" value="' . escape_tags($appsecret ? $appsecret : "") . '"><br style="clear: both;">';
+       $o .= '<input type="submit" name="fb_save_keys" value="' . t('Save') . '">';
+       
+       if ($appid && $appsecret) {
+               $o .= '<h4>' . t('Real-Time Updates') . '</h4>';
+               
+               $activated = facebook_check_realtime_active();
+               if ($activated) {
+                       $o .= t('Real-Time Updates are activated.') . '<br><br>';
+                       $o .= '<input type="submit" name="real_time_deactivate" value="' . t('Deactivate Real-Time Updates') . '">';
+               } else {
+                       $o .= t('Real-Time Updates not activated.') . '<br><input type="submit" name="real_time_activate" value="' . t('Activate Real-Time Updates') . '">';
+               }
        }
 }
 
 function facebook_plugin_admin_post(&$a, &$o){
+       check_form_security_token_redirectOnErr('/admin/plugins/facebook', 'fbsave');
+       
+       if (x($_REQUEST,'fb_save_keys')) {
+               set_config('facebook', 'appid', $_REQUEST['appid']);
+               set_config('facebook', 'appsecret', $_REQUEST['appsecret']);
+               del_config('facebook', 'app_access_token');
+               info(t('The new values have been saved.'));
+       }
        if (x($_REQUEST,'real_time_activate')) {
                facebook_subscription_add_users();
        }
@@ -883,9 +917,12 @@ function facebook_post_hook(&$a,&$b) {
                                }
 
                                $link = '';
+                               $linkname = '';
                                // look for bookmark-bbcode and handle it with priority
-                               if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches))
+                               if(preg_match("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/is",$b['body'],$matches)) {
                                        $link = $matches[1];
+                                       $linkname = $matches[2];
+                               }
 
                                // If there is no bookmark element then take the first link
                                if ($link == '') {
@@ -893,11 +930,12 @@ function facebook_post_hook(&$a,&$b) {
                                        if (sizeof($links) > 0) {
                                                reset($links);
                                                $link = current($links);
-                                               /*if (strlen($msg."\n".$link) <= FACEBOOK_MAXPOSTLEN)
-                                                       $msg .= "\n".$link;*/
                                        }
                                }
 
+                               // Remove trailing and leading spaces
+                               $msg = trim($msg);
+
                                // Since facebook increased the maxpostlen massively this never should happen again :)
                                if (strlen($msg) > FACEBOOK_MAXPOSTLEN) {
                                        $shortlink = "";
@@ -917,7 +955,18 @@ function facebook_post_hook(&$a,&$b) {
                                        $msg .= '... ' . $shortlink;
                                }
 
-                               if(!strlen($msg) and !strlen($link) and !strlen($image))
+                               // Fallback - if message is empty
+                               if(!strlen($msg))
+                                       $msg = $linkname;
+
+                               if(!strlen($msg))
+                                       $msg = $link;
+
+                               if(!strlen($msg))
+                                       $msg = $image;
+
+                               // If there is nothing to post then exit
+                               if(!strlen($msg))
                                        return;
 
                                logger('Facebook post: msg=' . $msg, LOGGER_DATA);
@@ -965,6 +1014,7 @@ function facebook_post_hook(&$a,&$b) {
 
                                if(! get_config('facebook','test_mode')) {
                                        $x = post_url($url, $postvars);
+                                       logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
 
                                        $retj = json_decode($x);
                                        if($retj->id) {
@@ -972,7 +1022,6 @@ function facebook_post_hook(&$a,&$b) {
                                                        dbesc('fb::' . $retj->id),
                                                        intval($b['id'])
                                                );
-                                               del_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
                                        }
                                        else {
                                                if(! $likes) {
@@ -984,7 +1033,9 @@ function facebook_post_hook(&$a,&$b) {
                                                
                                                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')) {
+                                                       
+                                                       $last_notification = get_pconfig($b['uid'], 'facebook', 'session_expired_mailsent');
+                                                       if (!$last_notification || $last_notification < (time() - FACEBOOK_SESSION_ERR_NOTIFICATION_INTERVAL)) {
                                                                require_once('include/enotify.php');
                                                        
                                                                $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1", intval($b['uid']) );
@@ -995,14 +1046,15 @@ function facebook_post_hook(&$a,&$b) {
                                                                        'language'     => $r[0]['language'],
                                                                        'to_name'      => $r[0]['username'],
                                                                        'to_email'     => $r[0]['email'],
+                                                                       'source_name'  => t('Administrator'),
+                                                                       'source_link'  => $a->config["system"]["url"],
+                                                                       'source_photo' => $a->config["system"]["url"] . '/images/person-80.jpg',
                                                                ));
                                                                
-                                                               set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', '1');
-                                                       }
+                                                               set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', time());
+                                                       } else logger('Facebook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG);
                                                }
                                        }
-                                       
-                                       logger('Facebook post returns: ' . $x, LOGGER_DEBUG);
                                }
                        }
                }
@@ -1014,6 +1066,7 @@ function facebook_enotify(&$app, &$data) {
                $data['itemlink'] = '/facebook';
                $data['epreamble'] = $data['preamble'] = t('Your Facebook connection became invalid. Please Re-authenticate.');
                $data['subject'] = t('Facebook connection became invalid');
+               $data['body'] = sprintf( t("Hi %1\$s,\n\nThe connection between your accounts on %2\$s and Facebook became invalid. This usually happens after you change your Facebook-password. To enable the connection again, you have to %3\$sre-authenticate the Facebook-connector%4\$s."), $data['params']['to_name'], "[url=" . $app->config["system"]["url"] . "]" . $app->config["sitename"] . "[/url]", "[url=" . $app->config["system"]["url"] . "/facebook]", "[/url]");
        }
 }
 
@@ -1477,8 +1530,8 @@ function fb_get_app_access_token() {
                logger('fb_get_app_access_token: appid and/or appsecret not set', LOGGER_DEBUG);
                return false;
        }
-       
-       $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . "&grant_type=client_credentials");
+       logger('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials', LOGGER_DATA);
+       $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id=' . $appid . '&client_secret=' . $appsecret . '&grant_type=client_credentials');
        
        if(strpos($x,'access_token=') !== false) {
                logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
@@ -1509,8 +1562,7 @@ function facebook_subscription_del_users() {
        del_config('facebook', 'realtime_active');
 }
 
-function facebook_subscription_add_users() {
-       
+function facebook_subscription_add_users($second_try = false) {
        $a = get_app();
        $access_token = fb_get_app_access_token();
        
@@ -1531,9 +1583,18 @@ function facebook_subscription_add_users() {
        del_config('facebook', 'cb_verify_token');
        
        if ($j) {
+               $x = json_decode($j);
                logger("Facebook reponse: " . $j, LOGGER_DATA);
-               
-               if (facebook_check_realtime_active()) set_config('facebook', 'realtime_active', 1);
+               if (isset($x->error)) {
+                       logger('facebook_subscription_add_users: got an error: ' . $j);
+                       if ($x->error->type == "OAuthException" && $x->error->code == 190) {
+                               del_config('facebook', 'app_access_token');
+                               if ($second_try === false) facebook_subscription_add_users(true);
+                       }
+               } else {
+                       logger('facebook_subscription_add_users: sucessful');
+                       if (facebook_check_realtime_active()) set_config('facebook', 'realtime_active', 1);
+               }
        };
 }