-/* 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;
+ }
+
+ $affected_users = array("feed" => array(), "friends" => array(), "activities" => array());
+
+ foreach ($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;
+ switch ($field) {
+ case "feed":
+ logger('facebook_init: FB-User ' . $fbuser . ' / feed', LOGGER_DEBUG);
+
+ $r = q("SELECT `uid` FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'self_id' AND `v` = '%s' LIMIT 1", dbesc($fbuser));
+ if(! count($r))
+ continue;
+ $uid = $r[0]['uid'];
+
+ $access_token = get_pconfig($uid,'facebook','access_token');
+ if(! $access_token)
+ return;
+
+ if(! get_pconfig($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 "friend":
+ // @TODO
+ break;
+ case "activities":
+ //@TODO
+ break;
+ }
+ $affected_users[$field][] = $fbuser;
+ }
+ }
+ }
+
if($a->argc != 2)
return;
$nick = $a->argv[1];
}
+
+function facebook_plugin_admin(&$a, &$o){
+
+ $activated = false;
+ $access_token = fb_get_app_access_token();
+ if ($access_token) {
+ $ret = facebook_subscriptions_get();
+ if (is_array($ret)) foreach ($ret as $re) if (is_object($re) && $re->object == "user") $activated = true;
+ }
+ if ($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=" . $access_token;
+ delete_url($url);
+}
+
+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,activities",
+ "callback_url" => $cb,
+ "verify_token" => $verify_token,
+ ));
+ del_config('facebook', 'cb_verify_token');
+
+ if ($j) {
+ logger("Facebook reponse: " . $j, LOGGER_DATA);
+ };
+}
+
+function facebook_subscriptions_get() {
+
+ $access_token = fb_get_app_access_token();
+
+ $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;
+}
+
+
+
+
+
+
+
+// DELETE-request to $url
+
+if(! function_exists('delete_url')) {
+function delete_url($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