<?php
/**
* Name: Facebook Connector
- * Version: 1.0
+ * Version: 1.1
* Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
+ * Tobias Hößl <https://github.com/CatoTH/>
*/
/**
* and click 'Install Facebook Connector'.
* 4. This will ask you to login to Facebook and grant permission to the
* plugin to do its stuff. Allow it to do so.
- * 5. You're done. To turn it off visit the Plugin Settings page again and
+ * 5. Optional step: If you want to use Facebook Real Time Updates (so new messages
+ * and new contacts are added ~1min after they are postet / added on FB), go to
+ * Settings -> plugins -> facebook and press the "Activate Real-Time Updates"-button.
+ * 6. You're done. To turn it off visit the Plugin Settings page again and
* 'Remove Facebook posting'.
*
* Vidoes and embeds will not be posted if there is no other content. Links
register_hook('connector_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
register_hook('cron', 'addon/facebook/facebook.php', 'facebook_cron');
register_hook('queue_predeliver', 'addon/facebook/facebook.php', 'fb_queue_hook');
+
+ if (get_config('facebook', 'realtime_active') == 1) facebook_subscription_add_users(); // Restore settings, if the plugin was installed before
}
// hook moved
unregister_hook('post_local_end', 'addon/facebook/facebook.php', 'facebook_post_hook');
unregister_hook('plugin_settings', 'addon/facebook/facebook.php', 'facebook_plugin_settings');
+
+ if (get_config('facebook', 'realtime_active') == 1) facebook_subscription_del_users();
}
-/* If a->argv[1] is a nickname, this is a callback from Facebook oauth requests. */
+// If a->argv[1] is a nickname, this is a callback from Facebook oauth requests.
+// If $_REQUEST["realtime_cb"] is set, this is a callback from the Real-Time Updates API
function facebook_init(&$a) {
+
+ if (x($_REQUEST, "realtime_cb") && x($_REQUEST, "realtime_cb")) {
+ logger("facebook_init: Facebook Real-Time callback called", LOGGER_DEBUG);
+
+ if (x($_REQUEST, "hub_verify_token")) {
+ // this is the verification callback while registering for real time updates
+
+ $verify_token = get_config('facebook', 'cb_verify_token');
+ if ($verify_token != $_REQUEST["hub_verify_token"]) {
+ logger('facebook_init: Wrong Facebook Callback Verifier - expected ' . $verify_token . ', got ' . $_REQUEST["hub_verify_token"]);
+ return;
+ }
+
+ if (x($_REQUEST, "hub_challenge")) {
+ logger('facebook_init: Answering Challenge: ' . $_REQUEST["hub_challenge"], LOGGER_DATA);
+ echo $_REQUEST["hub_challenge"];
+ die();
+ }
+ }
+
+ require_once('include/items.php');
+
+ // this is a status update
+ $content = file_get_contents("php://input");
+ if (is_numeric($content)) $content = file_get_contents("php://input");
+ $js = json_decode($content);
+ logger(print_r($js, true), LOGGER_DATA);
+
+ if (!isset($js->object) || $js->object != "user" || !isset($js->entry)) {
+ logger('facebook_init: Could not parse Real-Time Update data', LOGGER_DEBUG);
+ return;
+ }
+
+ $affected_users = array("feed" => array(), "friends" => array());
+
+ foreach ($js->entry as $entry) {
+ $fbuser = $entry->uid;
+ foreach ($entry->changed_fields as $field) {
+ if (!isset($affected_users[$field])) {
+ logger('facebook_init: Unknown field "' . $field . '"');
+ continue;
+ }
+ if (in_array($fbuser, $affected_users[$field])) continue;
+
+ $r = q("SELECT `uid` FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'self_id' AND `v` = '%s' LIMIT 1", dbesc($fbuser));
+ if(! count($r))
+ continue;
+ $uid = $r[0]['uid'];
+
+ $access_token = get_pconfig($uid,'facebook','access_token');
+ if(! $access_token)
+ return;
+
+ switch ($field) {
+ case "feed":
+ logger('facebook_init: FB-User ' . $fbuser . ' / feed', LOGGER_DEBUG);
+
+ if(! get_pconfig($uid,'facebook','no_wall')) {
+ $private_wall = intval(get_pconfig($uid,'facebook','private_wall'));
+ $s = fetch_url('https://graph.facebook.com/me/feed?access_token=' . $access_token);
+ if($s) {
+ $j = json_decode($s);
+ logger('facebook_init: wall: ' . print_r($j,true), LOGGER_DATA);
+ fb_consume_stream($uid,$j,($private_wall) ? false : true);
+ }
+ }
+
+ break;
+ case "friends":
+ logger('facebook_init: FB-User ' . $fbuser . ' / friends', LOGGER_DEBUG);
+
+ fb_get_friends($uid, false);
+ set_pconfig($uid,'facebook','friend_check',time());
+ break;
+ default:
+ logger('facebook_init: Unknown callback field for ' . $fbuser, LOGGER_NORMAL);
+ }
+ $affected_users[$field][] = $fbuser;
+ }
+ }
+ }
+
if($a->argc != 2)
return;
$nick = $a->argv[1];
return;
$uid = $r[0]['uid'];
- $auth_code = (($_GET['code']) ? $_GET['code'] : '');
- $error = (($_GET['error_description']) ? $_GET['error_description'] : '');
+ $auth_code = (x($_GET, 'code') ? $_GET['code'] : '');
+ $error = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
if($error)
if(get_pconfig($uid,'facebook','no_linking') === false)
set_pconfig($uid,'facebook','no_linking',1);
fb_get_self($uid);
- fb_get_friends($uid);
+ fb_get_friends($uid, true);
fb_consume_all($uid);
}
}
}
-
-
-function fb_get_friends($uid) {
-
- $r = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
- intval($uid)
+function fb_get_friends_sync_new($uid, $access_token, $person) {
+ $link = 'http://facebook.com/profile.php?id=' . $person->id;
+
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
+ intval($uid),
+ dbesc($link)
);
- if(! count($r))
- return;
-
- $access_token = get_pconfig($uid,'facebook','access_token');
-
- $no_linking = get_pconfig($uid,'facebook','no_linking');
- if($no_linking)
- return;
+
+ if (count($r) == 0) {
+ logger('fb_get_friends: new contact found: ' . $link, LOGGER_DEBUG);
+
+ fb_get_friends_sync_full($uid, $access_token, $person);
+ }
+}
- if(! $access_token)
- return;
- $s = fetch_url('https://graph.facebook.com/me/friends?access_token=' . $access_token);
+function fb_get_friends_sync_full($uid, $access_token, $person) {
+ $s = fetch_url('https://graph.facebook.com/' . $person->id . '?access_token=' . $access_token);
if($s) {
- logger('facebook: fb_get_friends: ' . $s, LOGGER_DATA);
- $j = json_decode($s);
- logger('facebook: fb_get_friends: json: ' . print_r($j,true), LOGGER_DATA);
- if(! $j->data)
- return;
- foreach($j->data as $person) {
- $s = fetch_url('https://graph.facebook.com/' . $person->id . '?access_token=' . $access_token);
- if($s) {
- $jp = json_decode($s);
- logger('fb_get_friends: info: ' . print_r($jp,true), LOGGER_DATA);
+ $jp = json_decode($s);
+ logger('fb_get_friends: info: ' . print_r($jp,true), LOGGER_DATA);
- // always use numeric link for consistency
+ // always use numeric link for consistency
- $jp->link = 'http://facebook.com/profile.php?id=' . $person->id;
+ $jp->link = 'http://facebook.com/profile.php?id=' . $person->id;
- // check if we already have a contact
+ // check if we already have a contact
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
- intval($uid),
- dbesc($jp->link)
- );
-
- if(count($r)) {
-
- // check that we have all the photos, this has been known to fail on occasion
-
- if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro'])) {
- require_once("Photo.php");
-
- $photos = import_profile_photo('https://graph.facebook.com/' . $jp->id . '/picture', $uid, $r[0]['id']);
-
- $r = q("UPDATE `contact` SET `photo` = '%s',
- `thumb` = '%s',
- `micro` = '%s',
- `name-date` = '%s',
- `uri-date` = '%s',
- `avatar-date` = '%s'
- WHERE `id` = %d LIMIT 1
- ",
- dbesc($photos[0]),
- dbesc($photos[1]),
- dbesc($photos[2]),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- dbesc(datetime_convert()),
- intval($r[0]['id'])
- );
- }
- continue;
- }
- else {
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `url` = '%s' LIMIT 1",
+ intval($uid),
+ dbesc($jp->link)
+ );
- // create contact record
- $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
- `name`, `nick`, `photo`, `network`, `rel`, `priority`,
- `writable`, `blocked`, `readonly`, `pending` )
- VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
- intval($uid),
- dbesc(datetime_convert()),
- dbesc($jp->link),
- dbesc(normalise_link($jp->link)),
- dbesc(''),
- dbesc(''),
- dbesc($jp->id),
- dbesc('facebook ' . $jp->id),
- dbesc($jp->name),
- dbesc(($jp->nickname) ? $jp->nickname : strtolower($jp->first_name)),
- dbesc('https://graph.facebook.com/' . $jp->id . '/picture'),
- dbesc(NETWORK_FACEBOOK),
- intval(CONTACT_IS_FRIEND),
- intval(1),
- intval(1)
- );
- }
-
- $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($jp->link),
- intval($uid)
- );
-
- if(! count($r)) {
- continue;
- }
+ if(count($r)) {
- $contact = $r[0];
- $contact_id = $r[0]['id'];
+ // check that we have all the photos, this has been known to fail on occasion
+ if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro'])) {
require_once("Photo.php");
- $photos = import_profile_photo($r[0]['photo'],$uid,$contact_id);
+ $photos = import_profile_photo('https://graph.facebook.com/' . $jp->id . '/picture', $uid, $r[0]['id']);
$r = q("UPDATE `contact` SET `photo` = '%s',
`thumb` = '%s',
dbesc(datetime_convert()),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
- intval($contact_id)
+ intval($r[0]['id'])
);
+ }
+ return;
+ }
+ else {
- }
+ // create contact record
+ $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
+ `name`, `nick`, `photo`, `network`, `rel`, `priority`,
+ `writable`, `blocked`, `readonly`, `pending` )
+ VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
+ intval($uid),
+ dbesc(datetime_convert()),
+ dbesc($jp->link),
+ dbesc(normalise_link($jp->link)),
+ dbesc(''),
+ dbesc(''),
+ dbesc($jp->id),
+ dbesc('facebook ' . $jp->id),
+ dbesc($jp->name),
+ dbesc(($jp->nickname) ? $jp->nickname : strtolower($jp->first_name)),
+ dbesc('https://graph.facebook.com/' . $jp->id . '/picture'),
+ dbesc(NETWORK_FACEBOOK),
+ intval(CONTACT_IS_FRIEND),
+ intval(1),
+ intval(1)
+ );
+ }
+
+ $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
+ dbesc($jp->link),
+ intval($uid)
+ );
+
+ if(! count($r)) {
+ return;
}
+
+ $contact = $r[0];
+ $contact_id = $r[0]['id'];
+
+ require_once("Photo.php");
+
+ $photos = import_profile_photo($r[0]['photo'],$uid,$contact_id);
+
+ $r = q("UPDATE `contact` SET `photo` = '%s',
+ `thumb` = '%s',
+ `micro` = '%s',
+ `name-date` = '%s',
+ `uri-date` = '%s',
+ `avatar-date` = '%s'
+ WHERE `id` = %d LIMIT 1
+ ",
+ dbesc($photos[0]),
+ dbesc($photos[1]),
+ dbesc($photos[2]),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ intval($contact_id)
+ );
+
+ }
+}
+
+// if $fullsync is true, only new contacts are searched for
+
+function fb_get_friends($uid, $fullsync = true) {
+
+ $r = q("SELECT `uid` FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
+ intval($uid)
+ );
+ if(! count($r))
+ return;
+
+ $access_token = get_pconfig($uid,'facebook','access_token');
+
+ $no_linking = get_pconfig($uid,'facebook','no_linking');
+ if($no_linking)
+ return;
+
+ if(! $access_token)
+ return;
+ $s = fetch_url('https://graph.facebook.com/me/friends?access_token=' . $access_token);
+ if($s) {
+ logger('facebook: fb_get_friends: ' . $s, LOGGER_DATA);
+ $j = json_decode($s);
+ logger('facebook: fb_get_friends: json: ' . print_r($j,true), LOGGER_DATA);
+ if(! $j->data)
+ return;
+ foreach($j->data as $person)
+ if ($fullsync)
+ fb_get_friends_sync_full($uid, $access_token, $person);
+ else
+ fb_get_friends_sync_new($uid, $access_token, $person);
}
}
elseif(intval($no_linking) && intval($linkvalue)) {
// FB linkage is now allowed - import stuff.
fb_get_self($uid);
- fb_get_friends($uid);
+ fb_get_friends($uid, true);
fb_consume_all($uid);
}
}
if($a->argc > 1 && $a->argv[1] === 'friends') {
- fb_get_friends(local_user());
+ fb_get_friends(local_user(), true);
info( t('Updating contacts') . EOL);
}
if($last_friend_check)
$next_friend_check = $last_friend_check + 86400;
if($next_friend_check <= time()) {
- fb_get_friends($rr['uid']);
+ fb_get_friends($rr['uid'], true);
set_pconfig($rr['uid'],'facebook','friend_check',time());
}
fb_consume_all($rr['uid']);
}
- }
-
+ }
+
+ if (get_config('facebook', 'realtime_active') == 1) {
+ if (!facebook_check_realtime_active()) {
+
+ logger('facebook_cron: Facebook is not sending Real-Time Updates any more, although it is supposed to. Trying to fix it...', LOGGER_NORMAL);
+ facebook_subscription_add_users();
+
+ if (facebook_check_realtime_active())
+ logger('facebook_cron: Successful', LOGGER_NORMAL);
+ else {
+ logger('facebook_cron: Failed', LOGGER_NORMAL);
+
+ 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.",
+ 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
+ . 'Content-type: text/plain; charset=UTF-8' . "\n"
+ . 'Content-transfer-encoding: 8bit'
+ );
+
+ set_config('facebook', 'realtime_err_mailsent', 1);
+ }
+ }
+ } else { // !facebook_check_realtime_active()
+ del_config('facebook', 'realtime_err_mailsent');
+ }
+ }
+
set_config('facebook','last_poll', time());
}
}
+
+function facebook_plugin_admin(&$a, &$o){
+
+ $activated = facebook_check_realtime_active();
+ if ($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, &$o){
+ if (x($_REQUEST,'real_time_activate')) {
+ facebook_subscription_add_users();
+ }
+ if (x($_REQUEST,'real_time_deactivate')) {
+ facebook_subscription_del_users();
+ }
+}
+
function facebook_jot_nets(&$a,&$b) {
if(! local_user())
return;
}
}
+
+function fb_get_app_access_token() {
+
+ $acc_token = get_config('facebook','app_access_token');
+
+ if ($acc_token !== false) return $acc_token;
+
+ $appid = get_config('facebook','appid');
+ $appsecret = get_config('facebook', 'appsecret');
+
+ if ($appid === false || $appsecret === false) {
+ 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=' . $appsecret . "&grant_type=client_credentials");
+
+ if(strpos($x,'access_token=') !== false) {
+ logger('fb_get_app_access_token: returned access token: ' . $x, LOGGER_DATA);
+
+ $token = str_replace('access_token=', '', $x);
+ if(strpos($token,'&') !== false)
+ $token = substr($token,0,strpos($token,'&'));
+
+ if ($token == "") {
+ logger('fb_get_app_access_token: empty token: ' . $x, LOGGER_DEBUG);
+ return false;
+ }
+ set_config('facebook','app_access_token',$token);
+ return $token;
+ } else {
+ logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
+ return false;
+ }
+}
+
+function facebook_subscription_del_users() {
+ $a = get_app();
+ $access_token = fb_get_app_access_token();
+
+ $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
+ facebook_delete_url($url);
+
+ del_config('facebook', 'realtime_active');
+}
+
+function facebook_subscription_add_users() {
+
+ $a = get_app();
+ $access_token = fb_get_app_access_token();
+
+ $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
+
+ list($usec, $sec) = explode(" ", microtime());
+ $verify_token = sha1($usec . $sec . rand(0, 999999999));
+ set_config('facebook', 'cb_verify_token', $verify_token);
+
+ $cb = $a->get_baseurl() . '/facebook/?realtime_cb=1';
+
+ $j = post_url($url,array(
+ "object" => "user",
+ "fields" => "feed,friends",
+ "callback_url" => $cb,
+ "verify_token" => $verify_token,
+ ));
+ del_config('facebook', 'cb_verify_token');
+
+ if ($j) {
+ logger("Facebook reponse: " . $j, LOGGER_DATA);
+
+ if (facebook_check_realtime_active()) set_config('facebook', 'realtime_active', 1);
+ };
+}
+
+function facebook_subscriptions_get() {
+
+ $access_token = fb_get_app_access_token();
+ if (!$access_token) return null;
+
+ $url = "https://graph.facebook.com/" . get_config('facebook', 'appid' ) . "/subscriptions?access_token=" . $access_token;
+ $j = fetch_url($url);
+ $ret = null;
+ if ($j) {
+ $x = json_decode($j);
+ if (isset($x->data)) $ret = $x->data;
+ }
+ return $ret;
+}
+
+
+function facebook_check_realtime_active() {
+ $ret = facebook_subscriptions_get();
+ if (is_null($ret)) return false;
+ if (is_array($ret)) foreach ($ret as $re) if (is_object($re) && $re->object == "user") return true;
+ return false;
+}
+
+
+
+
+// DELETE-request to $url
+
+if(! function_exists('facebook_delete_url')) {
+function facebook_delete_url($url,$headers = null, &$redirects = 0, $timeout = 0) {
+ $a = get_app();
+ $ch = curl_init($url);
+ if(($redirects > 8) || (! $ch))
+ return false;
+
+ curl_setopt($ch, CURLOPT_HEADER, true);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
+ curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");
+ curl_setopt($ch, CURLOPT_USERAGENT, "Friendica");
+
+ if(intval($timeout)) {
+ curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
+ }
+ else {
+ $curl_time = intval(get_config('system','curl_timeout'));
+ curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
+ }
+
+ if(defined('LIGHTTPD')) {
+ if(!is_array($headers)) {
+ $headers = array('Expect:');
+ } else {
+ if(!in_array('Expect:', $headers)) {
+ array_push($headers, 'Expect:');
+ }
+ }
+ }
+ if($headers)
+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+
+ $check_cert = get_config('system','verifyssl');
+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+ $prx = get_config('system','proxy');
+ if(strlen($prx)) {
+ curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
+ curl_setopt($ch, CURLOPT_PROXY, $prx);
+ $prxusr = get_config('system','proxyuser');
+ if(strlen($prxusr))
+ curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
+ }
+
+ $a->set_curl_code(0);
+
+ // don't let curl abort the entire application
+ // if it throws any errors.
+
+ $s = @curl_exec($ch);
+
+ $base = $s;
+ $curl_info = curl_getinfo($ch);
+ $http_code = $curl_info['http_code'];
+
+ $header = '';
+
+ // Pull out multiple headers, e.g. proxy and continuation headers
+ // allow for HTTP/2.x without fixing code
+
+ while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
+ $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
+ $header .= $chunk;
+ $base = substr($base,strlen($chunk));
+ }
+
+ if($http_code == 301 || $http_code == 302 || $http_code == 303) {
+ $matches = array();
+ preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
+ $url = trim(array_pop($matches));
+ $url_parsed = @parse_url($url);
+ if (isset($url_parsed)) {
+ $redirects++;
+ return delete_url($url,$headers,$redirects,$timeout);
+ }
+ }
+ $a->set_curl_code($http_code);
+ $body = substr($s,strlen($header));
+
+ $a->set_curl_headers($header);
+
+ curl_close($ch);
+ return($body);
+}}
\ No newline at end of file
projects / friendica-addons.git / commitdiff