'; + } return $o; @@ -298,10 +353,35 @@ function fbpost_jot_nets(&$a,&$b) { $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default'); $selected = ((intval($fb_defpost) == 1) ? ' checked="checked" ' : ''); $b .= '
".$match[2].""; + $text = "\n\t".$match[2].":\t"; + + return($text); +} + /** * @param App $a @@ -314,6 +394,14 @@ function fbpost_post_hook(&$a,&$b) { if($b['deleted'] || ($b['created'] !== $b['edited'])) return; + // Don't transmit answers (have to be cleaned up in the following code) + if($b['parent'] != $b['id']) + return; + + // if post comes from facebook don't send it back + if($b['app'] == "Facebook") + return; + /** * Post to Facebook stream */ @@ -353,10 +441,10 @@ function fbpost_post_hook(&$a,&$b) { return; // only accept comments from the item owner. Other contacts are unknown to FB. - + if(! link_compare($b['author-link'], $a->get_baseurl() . '/profile/' . $u[0]['nickname'])) return; - + logger('facebook reply id=' . $reply); } @@ -408,7 +496,7 @@ function fbpost_post_hook(&$a,&$b) { } if($b['verb'] == ACTIVITY_LIKE) - $likes = true; + $likes = true; $appid = get_config('facebook', 'appid' ); @@ -421,9 +509,9 @@ function fbpost_post_hook(&$a,&$b) { $fb_token = get_pconfig($b['uid'],'facebook','access_token'); - // post to facebook if it's a public post and we've ticked the 'post to Facebook' box, + // post to facebook if it's a public post and we've ticked the 'post to Facebook' box, // or it's a private message with facebook participants - // or it's a reply or likes action to an existing facebook post + // or it's a reply or likes action to an existing facebook post if($fb_token && ($toplevel || $b['private'] || $reply)) { logger('facebook: able to post'); @@ -506,11 +594,43 @@ function fbpost_post_hook(&$a,&$b) { $body = $body1.$body2; } + // Convert recycle signs + $body = str_replace("\t", " ", $body); + // recycle 1 + $recycle = html_entity_decode("♲ ", ENT_QUOTES, 'UTF-8'); + $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n\t$2:\t", $body); + // recycle 2 (Test) + $recycle = html_entity_decode("◌ ", ENT_QUOTES, 'UTF-8'); + $body = preg_replace( '/'.$recycle.'\[url\=(\w+.*?)\](\w+.*?)\[\/url\]/i', "\n\t$2:\t", $body); + + // share element + $body = preg_replace_callback("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]/ism","fbpost_ShareAttributes", $body); + + $bodyparts = explode("\t", $body); + // Doesn't help with multiple repeats - the problem has to be solved later + if (sizeof($bodyparts) == 3) { + $html = bbcode($bodyparts[2], false, false); + $test = trim(html2plain($html, 0, true)); + + if (trim($bodyparts[0]) == "") + $body = trim($bodyparts[2]); + else if (trim($test) == "") + $body = trim($bodyparts[0]); + else + $body = trim($bodyparts[0])."\n\n".trim($bodyparts[1])."[quote]".trim($bodyparts[2])."[/quote]"; + } else + $body = str_replace("\t", "", $body); + // At first convert the text to html $html = bbcode($body, false, false); // Then convert it to plain text $msg = trim($b['title']." \n\n".html2plain($html, 0, true)); + + // Removing useless spaces + if (substr($msg, -2) == "«") + $msg = trim(substr($msg, 0, -2))."«"; + $msg = html_entity_decode($msg,ENT_QUOTES,'UTF-8'); // Removing multiple newlines @@ -568,24 +688,30 @@ function fbpost_post_hook(&$a,&$b) { logger('Facebook post: msg=' . $msg, LOGGER_DATA); + $video = ""; + if($likes) { $postvars = array('access_token' => $fb_token); - } - else { + } else { // message, picture, link, name, caption, description, source, place, tags + if(trim($link) != "") + if (@exif_imagetype($link) != 0) { + $image = $link; + $link = ""; + } + $postvars = array( 'access_token' => $fb_token, 'message' => $msg ); - if(trim($image) != "") { + if(trim($image) != "") $postvars['picture'] = $image; - } + if(trim($link) != "") { $postvars['link'] = $link; - // The following doesn't work - why? if ((stristr($link,'youtube')) || (stristr($link,'youtu.be')) || (stristr($link,'vimeo'))) { - $postvars['source'] = $link; + $video = $link; } } if(trim($linkname) != "") @@ -602,11 +728,41 @@ function fbpost_post_hook(&$a,&$b) { } + $post_to_page = get_pconfig($b['uid'],'facebook','post_to_page'); + $page_access_token = get_pconfig($b['uid'],'facebook','page_access_token'); + if ((intval($post_to_page) != 0) and ($page_access_token != "")) + $target = $post_to_page; + else + $target = "me"; + if($reply) { $url = 'https://graph.facebook.com/' . $reply . '/' . (($likes) ? 'likes' : 'comments'); - } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) { - $url = 'https://graph.facebook.com/me/feed'; - if($b['plink']) + } else if (($video != "") or (($image == "") and ($link != ""))) { + // If it is a link to a video or a link without a preview picture then post it as a link + if ($video != "") + $link = $video; + + $postvars = array( + 'access_token' => $fb_token, + 'link' => $link, + ); + if ($msg != $video) + $postvars['message'] = $msg; + + $url = 'https://graph.facebook.com/'.$target.'/links'; + } else if (($link == "") and ($image != "")) { + // If it is only an image without a page link then post this image as a photo + $postvars = array( + 'access_token' => $fb_token, + 'url' => $image, + ); + if ($msg != $image) + $postvars['message'] = $msg; + + $url = 'https://graph.facebook.com/'.$target.'/photos'; + } else if (($link != "") or ($image != "") or ($b['title'] == '') or (strlen($msg) < 500)) { + $url = 'https://graph.facebook.com/'.$target.'/feed'; + if (!get_pconfig($b['uid'],'facebook','suppress_view_on_friendica') and $b['plink']) $postvars['actions'] = '{"name": "' . t('View on Friendica') . '", "link": "' . $b['plink'] . '"}'; } else { // if its only a message and a subject and the message is larger than 500 characters then post it as note @@ -615,9 +771,13 @@ function fbpost_post_hook(&$a,&$b) { 'message' => bbcode($b['body'], false, false), 'subject' => $b['title'], ); - $url = 'https://graph.facebook.com/me/notes'; + $url = 'https://graph.facebook.com/'.$target.'/notes'; } + // Post to page? + if (!$reply and ($target != "me") and $page_access_token) + $postvars['access_token'] = $page_access_token; + logger('facebook: post to ' . $url); logger('facebook: postvars: ' . print_r($postvars,true)); @@ -642,14 +802,14 @@ function fbpost_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); - + $last_notification = get_pconfig($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']) ); notification(array( 'uid' => $b['uid'], @@ -662,7 +822,7 @@ function fbpost_post_hook(&$a,&$b) { 'source_link' => $a->config["system"]["url"], 'source_photo' => $a->config["system"]["url"] . '/images/person-80.jpg', )); - + set_pconfig($b['uid'], 'facebook', 'session_expired_mailsent', time()); } else logger('Facebook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG); } @@ -703,8 +863,12 @@ function fbpost_post_local(&$a,&$b) { $fb_enable = (($fb_post && x($_REQUEST,'facebook_enable')) ? intval($_REQUEST['facebook_enable']) : 0); // if API is used, default to the chosen settings - if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default'))) - $fb_enable = 1; + // but allow a specific override + + if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'facebook','post_by_default'))) { + if(! x($_REQUEST,'facebook_enable')) + $fb_enable = 1; + } if(! $fb_enable) return; @@ -783,28 +947,28 @@ function fbpost_queue_hook(&$a,&$b) { * @return bool|string */ function fbpost_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; } 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); - + $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: ' . $x, LOGGER_DEBUG); return false; @@ -817,3 +981,221 @@ function fbpost_get_app_access_token() { } } +function fbpost_cron($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'); + $post_to_page = get_pconfig($uid,'facebook','post_to_page'); + $lastcreated = get_pconfig($uid,'facebook','last_created'); + + if ((int)$post_to_page == 0) + $post_to_page = "me"; + + $url = "https://graph.facebook.com/".$post_to_page."/feed?access_token=".$access_token; + + $first_time = ($lastcreated == ""); + + if ($lastcreated != "") + $url .= "&since=".urlencode($lastcreated); + + $feed = fetch_url($url); + $data = json_decode($feed); + + if (!is_array($data->data)) + return; + + $items = array_reverse($data->data); + + foreach ($items as $item) { + if ($item->created_time > $lastcreated) + $lastcreated = $item->created_time; + + if ($first_time) + continue; + + if ($item->application->id == get_config('facebook','appid')) + continue; + + if(isset($item->privacy) && ($item->privacy->value !== 'EVERYONE') && ($item->privacy->value !== '')) + continue; + + if (($post_to_page != $item->from->id) AND ((int)$post_to_page != 0)) + 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) and ($item->type != "photo")) + $quote = $item->description; + + if(isset($item->caption) and ($item->type == "photo")) + $quote = $item->caption; + + //if (isset($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 ($item->type != "video") { + //if (($item->type != "video") and ($item->type != "photo")) { + if(isset($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; +}