+function fbpost_cron($a,$b) {
+ $last = get_config('facebook','last_poll');
+
+ $poll_interval = intval(get_config('facebook','poll_interval'));
+ if(! $poll_interval)
+ $poll_interval = FACEBOOK_DEFAULT_POLL_INTERVAL;
+
+ if($last) {
+ $next = $last + ($poll_interval * 60);
+ if($next > time()) {
+ logger('facebook: poll intervall not reached');
+ return;
+ }
+ }
+ logger('facebook: cron_start');
+
+ $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'facebook' AND `k` = 'mirror_posts' AND `v` = '1' ORDER BY RAND() ");
+ if(count($r)) {
+ foreach($r as $rr) {
+ logger('facebook: fetching for user '.$rr['uid']);
+ fbpost_fetchwall($a, $rr['uid']);
+ }
+ }
+
+ logger('facebook: cron_end');
+
+ set_config('facebook','last_poll', time());
+}
+
+function fbpost_fetchwall($a, $uid) {
+ $access_token = get_pconfig($uid,'facebook','access_token');
+ $lastcreated = get_pconfig($uid,'facebook','last_created');
+ $lastcreated = "";
+
+ $url = 'https://graph.facebook.com/me/feed?access_token='.$access_token;
+
+ if ($lastcreated != "")
+ $url .= "&since=".urlencode($lastcreated);
+
+ $feed = fetch_url($url);
+ $data = json_decode($feed);
+ $items = array_reverse($data->data);
+
+ foreach ($items as $item) {
+ if ($item->created_time > $lastcreated)
+ $lastcreated = $item->created_time;
+
+ if ($item->application->id == get_config('facebook','appid'))
+ continue;
+
+ if(isset($item->privacy) && $item->privacy->value !== 'EVERYONE')
+ continue;
+
+
+ $_SESSION["authenticated"] = true;
+ $_SESSION["uid"] = $uid;
+
+ $_REQUEST["type"] = "wall";
+ $_REQUEST["api_source"] = true;
+ $_REQUEST["profile_uid"] = $uid;
+ $_REQUEST["source"] = "Facebook";
+
+ $_REQUEST["body"] = (isset($item->message) ? escape_tags($item->message) : '');
+
+ if(isset($item->name) and isset($item->link))
+ $_REQUEST["body"] .= "\n\n[bookmark=".$item->link."]".$item->name."[/bookmark]";
+ elseif (isset($item->name))
+ $_REQUEST["body"] .= "\n\n[b]" . $item->name."[/b]";
+
+ if(isset($item->caption)) {
+ if(!isset($item->name) and isset($item->link))
+ $_REQUEST["body"] .= "\n\n[bookmark=".$item->link."]".$item->caption."[/bookmark]";
+ //else
+ // $_REQUEST["body"] .= "[i]" . $item->caption."[/i]\n";
+ }
+
+ if(!isset($item->caption) and !isset($item->name)) {
+ if (isset($item->link))
+ $_REQUEST["body"] .= "\n[url]".$item->link."[/url]\n";
+ else
+ $_REQUEST["body"] .= "\n";
+ }
+
+ $quote = "";
+ if(isset($item->description))
+ $quote = $item->description;
+
+ if (isset($item->properties))
+ foreach ($item->properties as $property)
+ $quote .= "\n".$property->name.": [url=".$property->href."]".$property->text."[/url]";
+
+ if ($quote)
+ $_REQUEST["body"] .= "\n[quote]".$quote."[/quote]";
+
+ // Only import the picture when the message is no video
+ // oembed display a picture of the video as well
+ if ($item->type != "video") {
+ if(isset($item->picture) && isset($item->link))
+ $_REQUEST["body"] .= "\n".'[url='.$item->link.'][img]'.fpost_cleanpicture($item->picture).'[/img][/url]';
+ else {
+ if (isset($item->picture))
+ $_REQUEST["body"] .= "\n".'[img]'.fpost_cleanpicture($item->picture).'[/img]';
+ // if just a link, it may be a wall photo - check
+ if(isset($item->link))
+ $_REQUEST["body"] .= fbpost_get_photo($uid,$item->link);
+ }
+ }
+
+ if (($datarray['app'] == "Events") and isset($item->actions))
+ foreach ($item->actions as $action)
+ if ($action->name == "View")
+ $_REQUEST["body"] .= " [url=".$action->link."]".$item->story."[/url]";
+
+ if(trim($_REQUEST["body"]) == '') {
+ logger('facebook: empty body '.$item->id.' '.print_r($item, true));
+ continue;
+ }
+
+ $_REQUEST["body"] = trim($_REQUEST["body"]);
+
+ if (isset($item->place)) {
+ if ($item->place->name or $item->place->location->street or
+ $item->place->location->city or $item->place->location->country) {
+ $_REQUEST["location"] = '';
+ if ($item->place->name)
+ $_REQUEST["location"] .= $item->place->name;
+ if ($item->place->location->street)
+ $_REQUEST["location"] .= " ".$item->place->location->street;
+ if ($item->place->location->city)
+ $_REQUEST["location"] .= " ".$item->place->location->city;
+ if ($item->place->location->country)
+ $_REQUEST["location"] .= " ".$item->place->location->country;
+
+ $_REQUEST["location"] = trim($_REQUEST["location"]);
+ }
+ if ($item->place->location->latitude and $item->place->location->longitude)
+ $_REQUEST["coord"] = substr($item->place->location->latitude, 0, 8)
+ .' '.substr($item->place->location->longitude, 0, 8);
+ }
+
+ //print_r($_REQUEST);
+ logger('facebook: posting for user '.$uid);
+
+ require_once('mod/item.php');
+ item_post($a);
+ }
+
+ set_pconfig($uid,'facebook','last_created', $lastcreated);
+}
+
+function fbpost_get_photo($uid,$link) {
+ $access_token = get_pconfig($uid,'facebook','access_token');
+ if(! $access_token || (! stristr($link,'facebook.com/photo.php')))
+ return "";
+
+ $ret = preg_match('/fbid=([0-9]*)/',$link,$match);
+ if($ret)
+ $photo_id = $match[1];
+ else
+ return "";
+
+ $x = fetch_url('https://graph.facebook.com/'.$photo_id.'?access_token='.$access_token);
+ $j = json_decode($x);
+ if($j->picture)
+ return "\n\n".'[url='.$link.'][img]'.fpost_cleanpicture($j->picture).'[/img][/url]';
+
+ return "";
+}
+
+function fpost_cleanpicture($image) {
+
+ if (strpos($image, ".fbcdn.net/") and (substr($image, -6) == "_s.jpg"))
+ $image = substr($image, 0, -6)."_n.jpg";
+
+ $queryvar = fbpost_parse_query($image);
+ if ($queryvar['url'] != "")
+ $image = urldecode($queryvar['url']);
+
+ return $image;
+}
+
+function fbpost_parse_query($var) {
+ /**
+ * Use this function to parse out the query array element from
+ * the output of parse_url().
+ */
+ $var = parse_url($var, PHP_URL_QUERY);
+ $var = html_entity_decode($var);
+ $var = explode('&', $var);
+ $arr = array();
+
+ foreach($var as $val) {
+ $x = explode('=', $val);
+ $arr[$x[0]] = $x[1];
+ }
+
+ unset($val, $x, $var);
+ return $arr;
+}