/fbpost/fbpost.php
PHP | 1194 lines | 728 code | 272 blank | 194 comment | 243 complexity | f32a0ff0965cb935a553d243307ed0ba MD5 | raw file
Possible License(s): BSD-3-Clause, AGPL-3.0, GPL-2.0
- <?php
- /**
- * Name: Facebook Post Connector
- * Version: 1.3
- * Author: Mike Macgirvin <http://macgirvin.com/profile/mike>
- * Author: Tobias Hößl <https://github.com/CatoTH/>
- *
- */
- /**
- * Installing the Friendica/Facebook connector
- *
- * Detailed instructions how to use this plugin can be found at
- * https://github.com/friendica/friendica/wiki/How-to:-Friendica%E2%80%99s-Facebook-connector
- *
- * Vidoes and embeds will not be posted if there is no other content. Links
- * and images will be converted to a format suitable for the Facebook API and
- * long posts truncated - with a link to view the full post.
- *
- * Facebook contacts will not be able to view private photos, as they are not able to
- * authenticate to your site to establish identity. We will address this
- * in a future release.
- */
- define('FACEBOOK_DEFAULT_POLL_INTERVAL', 5); // given in minutes
- require_once('include/security.php');
- function fbpost_install() {
- register_hook('post_local', 'addon/fbpost/fbpost.php', 'fbpost_post_local');
- register_hook('notifier_normal', 'addon/fbpost/fbpost.php', 'fbpost_post_hook');
- register_hook('jot_networks', 'addon/fbpost/fbpost.php', 'fbpost_jot_nets');
- register_hook('connector_settings', 'addon/fbpost/fbpost.php', 'fbpost_plugin_settings');
- register_hook('enotify', 'addon/fbpost/fbpost.php', 'fbpost_enotify');
- register_hook('queue_predeliver', 'addon/fbpost/fbpost.php', 'fbpost_queue_hook');
- register_hook('cron', 'addon/fbpost/fbpost.php', 'fbpost_cron');
- }
- function fbpost_uninstall() {
- unregister_hook('post_local', 'addon/fbpost/fbpost.php', 'fbpost_post_local');
- unregister_hook('notifier_normal', 'addon/fbpost/fbpost.php', 'fbpost_post_hook');
- unregister_hook('jot_networks', 'addon/fbpost/fbpost.php', 'fbpost_jot_nets');
- unregister_hook('connector_settings', 'addon/fbpost/fbpost.php', 'fbpost_plugin_settings');
- unregister_hook('enotify', 'addon/fbpost/fbpost.php', 'fbpost_enotify');
- unregister_hook('queue_predeliver', 'addon/fbpost/fbpost.php', 'fbpost_queue_hook');
- unregister_hook('cron', 'addon/fbpost/fbpost.php', 'fbpost_cron');
- }
- /* declare the fbpost_module function so that /fbpost url requests will land here */
- function fbpost_module() {}
- // 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
- /**
- * @param App $a
- */
- function fbpost_init(&$a) {
- if($a->argc != 2)
- return;
- $nick = $a->argv[1];
- if(strlen($nick))
- $r = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
- dbesc($nick)
- );
- if(!(isset($r) && count($r)))
- return;
- $uid = $r[0]['uid'];
- $auth_code = (x($_GET, 'code') ? $_GET['code'] : '');
- $error = (x($_GET, 'error_description') ? $_GET['error_description'] : '');
- if($error)
- logger('fbpost_init: Error: ' . $error);
- if($auth_code && $uid) {
- $appid = get_config('facebook','appid');
- $appsecret = get_config('facebook', 'appsecret');
- $x = fetch_url('https://graph.facebook.com/oauth/access_token?client_id='
- . $appid . '&client_secret=' . $appsecret . '&redirect_uri='
- . urlencode($a->get_baseurl() . '/fbpost/' . $nick)
- . '&code=' . $auth_code);
- logger('fbpost_init: returned access token: ' . $x, LOGGER_DATA);
- if(strpos($x,'access_token=') !== false) {
- $token = str_replace('access_token=', '', $x);
- if(strpos($token,'&') !== false)
- $token = substr($token,0,strpos($token,'&'));
- set_pconfig($uid,'facebook','access_token',$token);
- set_pconfig($uid,'facebook','post','1');
- fbpost_get_self($uid);
- }
- }
- }
- /**
- * @param int $uid
- */
- function fbpost_get_self($uid) {
- $access_token = get_pconfig($uid,'facebook','access_token');
- if(! $access_token)
- return;
- $s = fetch_url('https://graph.facebook.com/me/?access_token=' . $access_token);
- if($s) {
- $j = json_decode($s);
- set_pconfig($uid,'facebook','self_id',(string) $j->id);
- }
- }
- // This is the POST method to the facebook settings page
- // Content is posted to Facebook in the function facebook_post_hook()
- /**
- * @param App $a
- */
- function fbpost_post(&$a) {
- $uid = local_user();
- if($uid){
- $fb_limited = get_config('facebook','crestrict');
- $value = ((x($_POST,'post_by_default')) ? intval($_POST['post_by_default']) : 0);
- set_pconfig($uid,'facebook','post_by_default', $value);
- $value = ((x($_POST,'mirror_posts')) ? intval($_POST['mirror_posts']) : 0);
- set_pconfig($uid,'facebook','mirror_posts', $value);
- $value = ((x($_POST,'suppress_view_on_friendica')) ? intval($_POST['suppress_view_on_friendica']) : 0);
- set_pconfig($uid,'facebook','suppress_view_on_friendica', $value);
- $value = ((x($_POST,'post_to_page')) ? $_POST['post_to_page'] : "0-0");
- $values = explode("-", $value);
- set_pconfig($uid,'facebook','post_to_page', $values[0]);
- set_pconfig($uid,'facebook','page_access_token', $values[1]);
- info( t('Settings updated.') . EOL);
- }
- return;
- }
- // Facebook settings form
- /**
- * @param App $a
- * @return string
- */
- function fbpost_content(&$a) {
- if(! local_user()) {
- notice( t('Permission denied.') . EOL);
- return '';
- }
- if(! service_class_allows(local_user(),'facebook_connect')) {
- notice( t('Permission denied.') . EOL);
- return upgrade_bool_message();
- }
- if($a->argc > 1 && $a->argv[1] === 'remove') {
- del_pconfig(local_user(),'facebook','post');
- info( t('Facebook Post disabled') . EOL);
- }
- $o = '';
-
- $fb_installed = false;
- if (get_pconfig(local_user(),'facebook','post')) {
- $access_token = get_pconfig(local_user(),'facebook','access_token');
- if ($access_token) {
- $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) {
- notice( t('Facebook API key is missing.') . EOL);
- return '';
- }
- $a->page['htmlhead'] .= '<link rel="stylesheet" type="text/css" href="'
- . $a->get_baseurl() . '/addon/fbpost/fbpost.css' . '" media="all" />' . "\r\n";
- $o .= '<h3>' . t('Facebook Post') . '</h3>';
- if(! $fb_installed) {
- $o .= '<div id="fbpost-enable-wrapper">';
- $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
- . $a->get_baseurl() . '/fbpost/' . $a->user['nickname'] . '&scope=read_stream,publish_stream,manage_pages,photo_upload,user_groups,offline_access">' . t('Install Facebook Post connector for this account.') . '</a>';
- $o .= '</div>';
- }
- if($fb_installed) {
- $o .= '<div id="fbpost-disable-wrapper">';
- $o .= '<a href="' . $a->get_baseurl() . '/fbpost/remove' . '">' . t('Remove Facebook Post connector') . '</a></div>';
- $o .= '<div id="fbpost-enable-wrapper">';
- $o .= '<a href="https://www.facebook.com/dialog/oauth?client_id=' . $appid . '&redirect_uri='
- . $a->get_baseurl() . '/fbpost/' . $a->user['nickname'] . '&scope=read_stream,publish_stream,manage_pages,photo_upload,user_groups,offline_access">' . t('Re-authenticate [This is necessary whenever your Facebook password is changed.]') . '</a>';
- $o .= '</div>';
- $o .= '<div id="fbpost-post-default-form">';
- $o .= '<form action="fbpost" method="post" >';
- $post_by_default = get_pconfig(local_user(),'facebook','post_by_default');
- $checked = (($post_by_default) ? ' checked="checked" ' : '');
- $o .= '<input type="checkbox" name="post_by_default" value="1"' . $checked . '/>' . ' ' . t('Post to Facebook by default') . EOL;
- $suppress_view_on_friendica = get_pconfig(local_user(),'facebook','suppress_view_on_friendica');
- $checked = (($suppress_view_on_friendica) ? ' checked="checked" ' : '');
- $o .= '<input type="checkbox" name="suppress_view_on_friendica" value="1"' . $checked . '/>' . ' ' . t('Suppress "View on friendica"') . EOL;
- $mirror_posts = get_pconfig(local_user(),'facebook','mirror_posts');
- $checked = (($mirror_posts) ? ' checked="checked" ' : '');
- $o .= '<input type="checkbox" name="mirror_posts" value="1"' . $checked . '/>' . ' ' . t('Mirror wall posts from facebook to friendica.') . EOL;
- // List all pages
- $post_to_page = get_pconfig(local_user(),'facebook','post_to_page');
- $page_access_token = get_pconfig(local_user(),'facebook','page_access_token');
- $fb_token = get_pconfig($a->user['uid'],'facebook','access_token');
- $url = 'https://graph.facebook.com/me/accounts';
- $x = fetch_url($url."?access_token=".$fb_token);
- $accounts = json_decode($x);
- $o .= t("Post to page/group:")."<select name='post_to_page'>";
- if (intval($post_to_page) == 0)
- $o .= "<option value='0-0' selected>".t('None')."</option>";
- else
- $o .= "<option value='0-0'>".t('None')."</option>";
- foreach($accounts->data as $account) {
- if (is_array($account->perms))
- if ($post_to_page == $account->id)
- $o .= "<option value='".$account->id."-".$account->access_token."' selected>".$account->name."</option>";
- else
- $o .= "<option value='".$account->id."-".$account->access_token."'>".$account->name."</option>";
- }
- $url = 'https://graph.facebook.com/me/groups';
- $x = fetch_url($url."?access_token=".$fb_token);
- $groups = json_decode($x);
- foreach($groups->data as $group) {
- if ($post_to_page == $group->id)
- $o .= "<option value='".$group->id."-0' selected>".$group->name."</option>";
- else
- $o .= "<option value='".$group->id."-0'>".$group->name."</option>";
- }
- $o .= "</select>";
- $o .= '<p><input type="submit" name="submit" value="' . t('Submit') . '" /></form></div>';
- }
- return $o;
- }
- /**
- * @param App $a
- * @param null|object $b
- */
- function fbpost_plugin_settings(&$a,&$b) {
- $b .= '<div class="settings-block">';
- $b .= '<h3>' . t('Facebook') . '</h3>';
- $b .= '<a href="fbpost">' . t('Facebook Post Settings') . '</a><br />';
- $b .= '</div>';
- }
- /**
- * @param App $a
- * @param null|object $o
- */
- function fbpost_plugin_admin(&$a, &$o){
- $o = '<input type="hidden" name="form_security_token" value="' . get_form_security_token("fbsave") . '">';
-
- $o .= '<h4>' . t('Facebook API Key') . '</h4>';
-
- $appid = get_config('facebook', 'appid' );
- $appsecret = get_config('facebook', 'appsecret' );
-
- $ret1 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appid' LIMIT 1");
- $ret2 = q("SELECT `v` FROM `config` WHERE `cat` = 'facebook' AND `k` = 'appsecret' LIMIT 1");
- if ((count($ret1) > 0 && $ret1[0]['v'] != $appid) || (count($ret2) > 0 && $ret2[0]['v'] != $appsecret)) $o .= t('Error: it appears that you have specified the App-ID and -Secret in your .htconfig.php file. As long as they are specified there, they cannot be set using this form.<br><br>');
-
- $o .= '<label for="fb_appid">' . t('App-ID / API-Key') . '</label><input id="fb_appid" name="appid" type="text" value="' . escape_tags($appid ? $appid : "") . '"><br style="clear: both;">';
- $o .= '<label for="fb_appsecret">' . t('Application secret') . '</label><input id="fb_appsecret" name="appsecret" type="text" value="' . escape_tags($appsecret ? $appsecret : "") . '"><br style="clear: both;">';
- $o .= '<input type="submit" name="fb_save_keys" value="' . t('Save') . '">';
-
- }
- /**
- * @param App $a
- */
- function fbpost_plugin_admin_post(&$a){
- check_form_security_token_redirectOnErr('/admin/plugins/fbpost', 'fbsave');
-
- if (x($_REQUEST,'fb_save_keys')) {
- set_config('facebook', 'appid', $_REQUEST['appid']);
- set_config('facebook', 'appsecret', $_REQUEST['appsecret']);
- info(t('The new values have been saved.'));
- }
- }
- /**
- * @param App $a
- * @param object $b
- * @return mixed
- */
- function fbpost_jot_nets(&$a,&$b) {
- if(! local_user())
- return;
- $fb_post = get_pconfig(local_user(),'facebook','post');
- if(intval($fb_post) == 1) {
- $fb_defpost = get_pconfig(local_user(),'facebook','post_by_default');
- $selected = ((intval($fb_defpost) == 1) ? ' checked="checked" ' : '');
- $b .= '<div class="profile-jot-net"><input type="checkbox" name="facebook_enable"' . $selected . ' value="1" /> '
- . t('Post to Facebook') . '</div>';
- }
- }
- function fbpost_ShareAttributes($match) {
- $attributes = $match[1];
- $author = "";
- preg_match("/author='(.*?)'/ism", $attributes, $matches);
- if ($matches[1] != "")
- $author = $matches[1];
- preg_match('/author="(.*?)"/ism', $attributes, $matches);
- if ($matches[1] != "")
- $author = $matches[1];
- $headline = '<div class="shared_header">';
- $headline .= sprintf(t('%s:'), $author);
- $headline .= "</div>";
- //$text = "<br />".$headline."</strong><blockquote>".$match[2]."</blockquote>";
- $text = "\n\t".$match[2].":\t";
- return($text);
- }
- /**
- * @param App $a
- * @param object $b
- * @return mixed
- */
- function fbpost_post_hook(&$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
- */
- require_once('include/group.php');
- require_once('include/html2plain.php');
- logger('Facebook post');
- $reply = false;
- $likes = false;
- $deny_arr = array();
- $allow_arr = array();
- $toplevel = (($b['id'] == $b['parent']) ? true : false);
- $linking = ((get_pconfig($b['uid'],'facebook','no_linking')) ? 0 : 1);
- if((! $toplevel) && ($linking)) {
- $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($b['parent']),
- intval($b['uid'])
- );
- if(count($r) && substr($r[0]['uri'],0,4) === 'fb::')
- $reply = substr($r[0]['uri'],4);
- elseif(count($r) && substr($r[0]['extid'],0,4) === 'fb::')
- $reply = substr($r[0]['extid'],4);
- else
- return;
- $u = q("SELECT * FROM user where uid = %d limit 1",
- intval($b['uid'])
- );
- if(! count($u))
- return;
- // only accept comments from the item owner. Other contacts are unknown to FB.
- if(! link_compare($b['author-link'], $a->get_baseurl() . '/profile/' . $u[0]['nickname']))
- return;
- logger('facebook reply id=' . $reply);
- }
- if(strstr($b['postopts'],'facebook') || ($b['private']) || ($reply)) {
- if($b['private'] && $reply === false) {
- $allow_people = expand_acl($b['allow_cid']);
- $allow_groups = expand_groups(expand_acl($b['allow_gid']));
- $deny_people = expand_acl($b['deny_cid']);
- $deny_groups = expand_groups(expand_acl($b['deny_gid']));
- $recipients = array_unique(array_merge($allow_people,$allow_groups));
- $deny = array_unique(array_merge($deny_people,$deny_groups));
- $allow_str = dbesc(implode(', ',$recipients));
- if($allow_str) {
- $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $allow_str ) AND `network` = 'face'");
- if(count($r))
- foreach($r as $rr)
- $allow_arr[] = $rr['notify'];
- }
- $deny_str = dbesc(implode(', ',$deny));
- if($deny_str) {
- $r = q("SELECT `notify` FROM `contact` WHERE `id` IN ( $deny_str ) AND `network` = 'face'");
- if(count($r))
- foreach($r as $rr)
- $deny_arr[] = $rr['notify'];
- }
- if(count($deny_arr) && (! count($allow_arr))) {
- // One or more FB folks were denied access but nobody on FB was specifically allowed access.
- // This might cause the post to be open to public on Facebook, but only to selected members
- // on another network. Since this could potentially leak a post to somebody who was denied,
- // we will skip posting it to Facebook with a slightly vague but relevant message that will
- // hopefully lead somebody to this code comment for a better explanation of what went wrong.
- notice( t('Post to Facebook cancelled because of multi-network access permission conflict.') . EOL);
- return;
- }
- // if it's a private message but no Facebook members are allowed or denied, skip Facebook post
- if((! count($allow_arr)) && (! count($deny_arr)))
- return;
- }
- if($b['verb'] == ACTIVITY_LIKE)
- $likes = true;
- $appid = get_config('facebook', 'appid' );
- $secret = get_config('facebook', 'appsecret' );
- if($appid && $secret) {
- logger('facebook: have appid+secret');
- $fb_token = get_pconfig($b['uid'],'facebook','access_token');
- // post to facebook if it's a public post and we've ticked the 'post to Facebook' box,
- // or it's a private message with facebook participants
- // 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');
- require_once('library/facebook.php');
- require_once('include/bbcode.php');
- $msg = $b['body'];
- logger('Facebook post: original msg=' . $msg, LOGGER_DATA);
- // make links readable before we strip the code
- // unless it's a dislike - just send the text as a comment
- // if($b['verb'] == ACTIVITY_DISLIKE)
- // $msg = trim(strip_tags(bbcode($msg)));
- // Old code
- /*$search_str = $a->get_baseurl() . '/search';
- if(preg_match("/\[url=(.*?)\](.*?)\[\/url\]/is",$msg,$matches)) {
- // don't use hashtags for message link
- if(strpos($matches[2],$search_str) === false) {
- $link = $matches[1];
- if(substr($matches[2],0,5) != '[img]')
- $linkname = $matches[2];
- }
- }
- // strip tag links to avoid link clutter, this really should be
- // configurable because we're losing information
- $msg = preg_replace("/\#\[url=(.*?)\](.*?)\[\/url\]/is",'#$2',$msg);
- // provide the link separately for normal links
- $msg = preg_replace("/\[url=(.*?)\](.*?)\[\/url\]/is",'$2 $1',$msg);
- if(preg_match("/\[img\](.*?)\[\/img\]/is",$msg,$matches))
- $image = $matches[1];
- $msg = preg_replace("/\[img\](.*?)\[\/img\]/is", t('Image: ') . '$1', $msg);
- if((strpos($link,z_root()) !== false) && (! $image))
- $image = $a->get_baseurl() . '/images/friendica-64.jpg';
- $msg = trim(strip_tags(bbcode($msg)));*/
- // New code
- // Looking for the first image
- $image = '';
- if(preg_match("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/is",$b['body'],$matches))
- $image = $matches[3];
- if ($image == '')
- if(preg_match("/\[img\](.*?)\[\/img\]/is",$b['body'],$matches))
- $image = $matches[1];
- // When saved into the database the content is sent through htmlspecialchars
- // That means that we have to decode all image-urls
- $image = htmlspecialchars_decode($image);
- // Checking for a bookmark element
- $body = $b['body'];
- if (strpos($body, "[bookmark") !== false) {
- // splitting the text in two parts:
- // before and after the bookmark
- $pos = strpos($body, "[bookmark");
- $body1 = substr($body, 0, $pos);
- $body2 = substr($body, $pos);
- // Removing the bookmark and all quotes after the bookmark
- // they are mostly only the content after the bookmark.
- $body2 = preg_replace("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism",'',$body2);
- $body2 = preg_replace("/\[quote\=([^\]]*)\](.*?)\[\/quote\]/ism",'',$body2);
- $body2 = preg_replace("/\[quote\](.*?)\[\/quote\]/ism",'',$body2);
- $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
- while (strpos($msg, "\n\n\n") !== false)
- $msg = str_replace("\n\n\n", "\n\n", $msg);
- // add any attachments as text urls
- $arr = explode(',',$b['attach']);
- if(count($arr)) {
- $msg .= "\n";
- foreach($arr as $r) {
- $matches = false;
- $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
- if($cnt) {
- $msg .= "\n".$matches[1];
- }
- }
- }
- $link = '';
- $linkname = '';
- // look for bookmark-bbcode and handle it with priority
- 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 == '') {
- $links = collecturls($html);
- if (sizeof($links) > 0) {
- reset($links);
- $link = current($links);
- }
- }
- // Remove trailing and leading spaces
- $msg = trim($msg);
- // 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);
- $video = "";
- if($likes) {
- $postvars = array('access_token' => $fb_token);
- } else {
- // message, picture, link, name, caption, description, source, place, tags
- if(trim($link) != "")
- if (@exif_imagetype($link) != 0) {
- $image = $link;
- $link = "";
- }
- $postvars = array(
- 'access_token' => $fb_token,
- 'message' => $msg
- );
- if(trim($image) != "")
- $postvars['picture'] = $image;
- if(trim($link) != "") {
- $postvars['link'] = $link;
- if ((stristr($link,'youtube')) || (stristr($link,'youtu.be')) || (stristr($link,'vimeo'))) {
- $video = $link;
- }
- }
- if(trim($linkname) != "")
- $postvars['name'] = $linkname;
- }
- if(($b['private']) && ($toplevel)) {
- $postvars['privacy'] = '{"value": "CUSTOM", "friends": "SOME_FRIENDS"';
- if(count($allow_arr))
- $postvars['privacy'] .= ',"allow": "' . implode(',',$allow_arr) . '"';
- if(count($deny_arr))
- $postvars['privacy'] .= ',"deny": "' . implode(',',$deny_arr) . '"';
- $postvars['privacy'] .= '}';
- }
- $post_to_page = get_pconfig($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 (($video != "") or (($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
- $postvars = array(
- 'access_token' => $fb_token,
- 'message' => bbcode($b['body'], false, false),
- 'subject' => $b['title'],
- );
- $url = 'https://graph.facebook.com/'.$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));
- // "test_mode" prevents anything from actually being posted.
- // Otherwise, let's do it.
- 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) {
- q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
- dbesc('fb::' . $retj->id),
- intval($b['id'])
- );
- }
- else {
- if(! $likes) {
- $s = serialize(array('url' => $url, 'item' => $b['id'], 'post' => $postvars));
- require_once('include/queue_fn.php');
- add_to_queue($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'],
- 'type' => NOTIFY_SYSTEM,
- 'system_type' => 'facebook_connection_invalid',
- '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', time());
- } else logger('Facebook: No notification, as the last one was sent on ' . $last_notification, LOGGER_DEBUG);
- }
- }
- }
- }
- }
- }
- }
- /**
- * @param App $app
- * @param object $data
- */
- function fbpost_enotify(&$app, &$data) {
- if (x($data, 'params') && $data['params']['type'] == NOTIFY_SYSTEM && x($data['params'], 'system_type') && $data['params']['system_type'] == 'facebook_connection_invalid') {
- $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]");
- }
- }
- /**
- * @param App $a
- * @param object $b
- */
- function fbpost_post_local(&$a,&$b) {
- // Figure out if Facebook posting is enabled for this post and file it in 'postopts'
- // where we will discover it during background delivery.
- // This can only be triggered by a local user posting to their own wall.
- if((local_user()) && (local_user() == $b['uid'])) {
- $fb_post = intval(get_pconfig(local_user(),'facebook','post'));
- $fb_enable = (($fb_post && x($_REQUEST,'facebook_enable')) ? intval($_REQUEST['facebook_enable']) : 0);
- // if API is used, default to the chosen settings
- // 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(! $fb_enable)
- return;
- if(strlen($b['postopts']))
- $b['postopts'] .= ',';
- $b['postopts'] .= 'facebook';
- }
- }
- /**
- * @param App $a
- * @param object $b
- */
- function fbpost_queue_hook(&$a,&$b) {
- $qi = q("SELECT * FROM `queue` WHERE `network` = '%s'",
- dbesc(NETWORK_FACEBOOK)
- );
- if(! count($qi))
- return;
- require_once('include/queue_fn.php');
- foreach($qi as $x) {
- if($x['network'] !== NETWORK_FACEBOOK)
- continue;
- logger('facebook_queue: run');
- $r = q("SELECT `user`.* FROM `user` LEFT JOIN `contact` on `contact`.`uid` = `user`.`uid`
- WHERE `contact`.`self` = 1 AND `contact`.`id` = %d LIMIT 1",
- intval($x['cid'])
- );
- if(! count($r))
- continue;
- $user = $r[0];
- $appid = get_config('facebook', 'appid' );
- $secret = get_config('facebook', 'appsecret' );
- if($appid && $secret) {
- $fb_post = intval(get_pconfig($user['uid'],'facebook','post'));
- $fb_token = get_pconfig($user['uid'],'facebook','access_token');
- if($fb_post && $fb_token) {
- logger('facebook_queue: able to post');
- require_once('library/facebook.php');
- $z = unserialize($x['content']);
- $item = $z['item'];
- $j = post_url($z['url'],$z['post']);
- $retj = json_decode($j);
- if($retj->id) {
- q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d LIMIT 1",
- dbesc('fb::' . $retj->id),
- intval($item)
- );
- logger('facebook_queue: success: ' . $j);
- remove_queue_item($x['id']);
- }
- else {
- logger('facebook_queue: failed: ' . $j);
- update_queue_time($x['id']);
- }
- }
- }
- }
- }
- /**
- * @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: ' . $x, LOGGER_DEBUG);
- return false;
- }
- set_config('facebook','app_access_token',$token);
- return $token;
- } else {
- logger('fb_get_app_access_token: response did not contain an access_token: ' . $x, LOGGER_DATA);
- return false;
- }
- }
- function fbpost_cron($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);
- $items = array_reverse($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;
- $_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;
- }