]> git.mxchange.org Git - friendica-addons.git/blobdiff - fbsync/fbsync.php
Additional work for PR 3778
[friendica-addons.git] / fbsync / fbsync.php
index 32f62a4a487903baceab9d45b9cf0ded7c84f269..07f6dcf11254e98fa6be9dc2e25f54980ce9f5ef 100644 (file)
@@ -2,8 +2,9 @@
 /**
  * Name: Facebook Sync
  * Description: Synchronizes the Facebook Newsfeed
- * Version: 0.0.1 alpha
+ * Version: 1.0
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
+ * Status: Unsupported
  */
 
 /* To-Do
@@ -26,6 +27,7 @@ function fbsync_install() {
        register_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
        register_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
        register_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
+       register_hook('expire', 'addon/fbsync/fbsync.php', 'fbsync_expire');
 }
 
 function fbsync_uninstall() {
@@ -33,13 +35,14 @@ function fbsync_uninstall() {
        unregister_hook('connector_settings_post', 'addon/fbsync/fbsync.php', 'fbsync_settings_post');
        unregister_hook('cron', 'addon/fbsync/fbsync.php', 'fbsync_cron');
        unregister_hook('follow', 'addon/fbsync/fbsync.php', 'fbsync_follow');
+       unregister_hook('expire', 'addon/fbsync/fbsync.php', 'fbsync_expire');
 }
 
 function fbsync_follow($a, &$contact) {
 
        logger("fbsync_follow: Check if contact is facebook contact. ".$contact["url"], LOGGER_DEBUG);
 
-       if (!strstr($contact["url"], "://www.facebook.com") AND !strstr($contact["url"], "://facebook.com") AND !strstr($contact["url"], "@facebook.com"))
+       if (!strstr($contact["url"], "://www.facebook.com") && !strstr($contact["url"], "://facebook.com") && !strstr($contact["url"], "@facebook.com"))
                return;
 
        // contact seems to be a facebook contact, so continue
@@ -100,6 +103,9 @@ function fbsync_follow($a, &$contact) {
 
 function fbsync_settings(&$a,&$s) {
 
+       // Settings are done inside the fbpost addon
+       return;
+
        if(! local_user())
                return;
 
@@ -120,11 +126,11 @@ function fbsync_settings(&$a,&$s) {
        /* Add some HTML to the existing form */
 
        $s .= '<span id="settings_fbsync_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
-       $s .= '<h3>' . t('Facebook Import Settings') . '</h3>';
+       $s .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'. t('Facebook Import').'</h3>';
        $s .= '</span>';
        $s .= '<div id="settings_fbsync_expanded" class="settings-block" style="display: none;">';
        $s .= '<span class="fakelink" onclick="openClose(\'settings_fbsync_expanded\'); openClose(\'settings_fbsync_inflated\');">';
-       $s .= '<h3>' . t('Facebook Import Settings') . '</h3>';
+       $s .= '<img class="connector" src="images/facebook.png" /><h3 class="connector">'. t('Facebook Import').'</h3>';
        $s .= '</span>';
 
        $s .= '<div id="fbsync-enable-wrapper">';
@@ -167,9 +173,24 @@ function fbsync_cron($a,$b) {
        }
        logger('fbsync_cron: cron_start');
 
+       $abandon_days = intval(get_config('system','account_abandon_days'));
+       if ($abandon_days < 1)
+               $abandon_days = 0;
+
+       $abandon_limit = date("Y-m-d H:i:s", time() - $abandon_days * 86400);
+
        $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
        if(count($r)) {
                foreach($r as $rr) {
+
+                       if ($abandon_days != 0) {
+                               $user = q("SELECT `login_date` FROM `user` WHERE uid=%d AND `login_date` >= '%s'", $rr['uid'], $abandon_limit);
+                               if (!count($user)) {
+                                       logger('abandoned account: timeline from user '.$rr['uid'].' will not be imported');
+                                       continue;
+                               }
+                       }
+
                        fbsync_get_self($rr['uid']);
 
                        logger('fbsync_cron: importing timeline from user '.$rr['uid']);
@@ -177,14 +198,42 @@ function fbsync_cron($a,$b) {
                }
        }
 
-       logger('fbsync: cron_end');
+       logger('fbsync_cron: cron_end');
 
        set_config('fbsync','last_poll', time());
 }
 
+function fbsync_expire($a,$b) {
+
+       $days = get_config('fbsync', 'expire');
+
+       if ($days == 0)
+               return;
+
+       $r = q("DELETE FROM `item` WHERE `deleted` AND `network` = '%s'", dbesc(NETWORK_FACEBOOK));
+
+       require_once("include/items.php");
+
+       logger('fbsync_expire: expire_start');
+
+       $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'fbsync' AND `k` = 'sync' AND `v` = '1' ORDER BY RAND()");
+       if(count($r)) {
+               foreach($r as $rr) {
+                       logger('fbsync_expire: user '.$rr['uid']);
+                       item_expire($rr['uid'], $days, NETWORK_FACEBOOK, true);
+               }
+       }
+
+       logger('fbsync_expire: expire_end');
+}
+
 function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $create_user) {
 
+       $access_token = get_pconfig($uid,'facebook','access_token');
+
        require_once("include/oembed.php");
+       require_once("include/network.php");
+       require_once("include/items.php");
 
        // check if it was already imported
        $r = q("SELECT * FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
@@ -200,6 +249,8 @@ function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $cr
        $postarray['wall'] = 0;
 
        $postarray['verb'] = ACTIVITY_POST;
+       $postarray['object-type'] = ACTIVITY_OBJ_NOTE; // default value - is maybe changed later when media is attached
+       $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 
        $postarray['uri'] = "fb::".$post->post_id;
        $postarray['thr-parent'] = $postarray['uri'];
@@ -216,7 +267,7 @@ function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $cr
 
        $contact_id = 0;
 
-       if (($post->parent_post_id != "") AND ($post->actor_id == $post->source_id)) {
+       if (($post->parent_post_id != "") && ($post->actor_id == $post->source_id)) {
                $pos = strpos($post->parent_post_id, "_");
 
                if ($pos != 0) {
@@ -228,7 +279,7 @@ function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $cr
 
                        $postarray['contact-id'] = $contact_id;
 
-                       if (array_key_exists("name", $userdata) AND ($userdata["name"] != "") AND !link_compare($userdata["link"], $postarray['author-link'])) {
+                       if (array_key_exists("name", $userdata) && ($userdata["name"] != "") && !link_compare($userdata["link"], $postarray['author-link'])) {
                                $postarray['owner-name'] = $userdata["name"];
                                $postarray['owner-link'] = $userdata["link"];
                                $postarray['owner-avatar'] = $userdata["avatar"];
@@ -247,10 +298,25 @@ function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $cr
                }
        }
 
-       if ($contact_id == 0) {
-               $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
+       if ($contact_id <= 0) {
+               if ($post->actor_id != $post->source_id) {
+                       // Testing if we know the source or the actor
+                       $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], false);
+
+                       if (($contact_id == 0) && array_key_exists($post->actor_id, $contacts))
+                               $contact_id = fbsync_fetch_contact($uid, $contacts[$post->actor_id], false);
 
-               if (($contact_id <= 0) AND !$create_user) {
+                       // If we don't know anyone, we guess we should know the source. Could be the wrong decision
+                       if ($contact_id == 0)
+                               $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
+               } else
+                       $contact_id = fbsync_fetch_contact($uid, $contacts[$post->source_id], $create_user);
+
+
+               if ($contact_id == -1) {
+                       logger('fbsync_createpost: Contact is blocked. Post not imported '.print_r($post, true), LOGGER_DEBUG);
+                       return;
+               } elseif (($contact_id <= 0) && !$create_user) {
                        logger('fbsync_createpost: No matching contact found. Post not imported '.print_r($post, true), LOGGER_DEBUG);
                        return;
                } elseif ($contact_id == 0) {
@@ -269,70 +335,115 @@ function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $cr
        $postarray["body"] = $msgdata["body"];
        $postarray["tag"] = $msgdata["tags"];
 
+       // Change the object type when an attachment is present
+       if (isset($post->attachment->fb_object_type))
+               logger('fb_object_type: '.$post->attachment->fb_object_type." ".print_r($post->attachment, true), LOGGER_DEBUG);
+               switch ($post->attachment->fb_object_type) {
+                       case 'photo':
+                               $postarray['object-type'] = ACTIVITY_OBJ_IMAGE; // photo is deprecated: http://activitystrea.ms/head/activity-schema.html#image
+                               break;
+                       case 'video':
+                               $postarray['object-type'] = ACTIVITY_OBJ_VIDEO;
+                               break;
+                       case '':
+                               //$postarray['object-type'] = ACTIVITY_OBJ_BOOKMARK;
+                               break;
+                       default:
+                               logger('Unknown object type '.$post->attachment->fb_object_type, LOGGER_DEBUG);
+                               break;
+               }
+
+       $pagedata = array();
        $content = "";
-       $type = "";
+       $pagedata["type"] = "";
 
-       if (isset($post->attachment->name) and isset($post->attachment->href)) {
+       if (isset($post->attachment->name) && isset($post->attachment->href)) {
+               $post->attachment->href = original_url($post->attachment->href);
                $oembed_data = oembed_fetch_url($post->attachment->href);
-               $type = $oembed_data->type;
+               $pagedata["type"] = $oembed_data->type;
+               if ($pagedata["type"] == "rich")
+                       $pagedata["type"] = "link";
+
+               $pagedata["url"] = $post->attachment->href;
+               $pagedata["title"] = $post->attachment->name;
                $content = "[bookmark=".$post->attachment->href."]".$post->attachment->name."[/bookmark]";
-       } elseif (isset($post->attachment->name) AND ($post->attachment->name != ""))
+
+               // If a link is not only attached but also added in the body, look if it can be removed in the body.
+               $removedlink = trim(str_replace($post->attachment->href, "", $postarray["body"]));
+
+               if (($removedlink == "") || strstr($postarray["body"], $removedlink))
+                       $postarray["body"] = $removedlink;
+
+       } elseif (isset($post->attachment->name) && ($post->attachment->name != ""))
                $content = "[b]" . $post->attachment->name."[/b]";
 
-       $quote = "";
-       if(isset($post->attachment->description) and ($post->attachment->fb_object_type != "photo"))
-               $quote = $post->attachment->description;
+       $pagedata["text"] = "";
+       if (isset($post->attachment->description) && ($post->attachment->fb_object_type != "photo"))
+               $pagedata["text"] = $post->attachment->description;
 
-       if(isset($post->attachment->caption) and ($post->attachment->fb_object_type == "photo"))
-               $quote = $post->attachment->caption;
+       if (isset($post->attachment->caption) && ($post->attachment->fb_object_type == "photo"))
+               $pagedata["text"] = $post->attachment->caption;
 
-       if ($quote.$post->attachment->href.$content.$postarray["body"] == "")
+       if ($pagedata["text"].$post->attachment->href.$content.$postarray["body"] == "")
                return;
 
-       if (isset($post->attachment->media) // AND !strstr($post->attachment->href, "://www.youtube.com/")
-               //AND !strstr($post->attachment->href, "://youtu.be/")
-               //AND !strstr($post->attachment->href, ".vimeo.com/"))
-               AND (($type == "") OR ($type == "link"))) {
+       if (isset($post->attachment->media) && (($pagedata["type"] == "") || ($pagedata["type"] == "link"))) {
                foreach ($post->attachment->media AS $media) {
-                       //$media->photo->owner = number_format($media->photo->owner, 0, '', '');
-                       //if ($media->photo->owner != '') {
-                       //      $postarray['author-name'] = $contacts[$media->photo->owner]->name;
-                       //      $postarray['author-link'] = $contacts[$media->photo->owner]->url;
-                       //      $postarray['author-avatar'] = $contacts[$media->photo->owner]->pic_square;
-                       //}
 
                        if (isset($media->type))
-                               $type = $media->type;
+                               $pagedata["type"] = $media->type;
+
+                       if (isset($media->src))
+                               $pagedata["images"][0]["src"] = $media->src;
+
+                       if (isset($media->photo)) {
+                               if (isset($media->photo->images) && (count($media->photo->images) > 1))
+                                       $pagedata["images"][0]["src"] = $media->photo->images[1]->src;
+
+                               if (isset($media->photo->fbid)) {
+                                       logger('fbsync_createpost: fetching fbid '.$media->photo->fbid, LOGGER_DEBUG);
+                                       $url = "https://graph.facebook.com/".$media->photo->fbid."?access_token=".$access_token;
+                                       $feed = fetch_url($url);
+                                       $data = json_decode($feed);
+                                       if (isset($data->images)) {
+                                               $pagedata["images"][0]["src"] = $data->images[0]->source;
+                                               logger('fbsync_createpost: got fbid '.$media->photo->fbid.' image '.$pagedata["images"][0]["src"], LOGGER_DEBUG);
+                                       } else
+                                               logger('fbsync_createpost: error fetching fbid '.$media->photo->fbid.' '.print_r($data, true), LOGGER_DEBUG);
+                               }
+                       }
+
+                       $pagedata["images"][0]["src"] = fbpost_cleanpicture($pagedata["images"][0]["src"]);
 
-                       if(isset($media->src) && isset($media->href) AND ($media->src != "") AND ($media->href != ""))
-                               $content .= "\n".'[url='.$media->href.'][img]'.fpost_cleanpicture($media->src).'[/img][/url]';
-                       else {
-                               if (isset($media->src) AND ($media->src != ""))
-                                       $content .= "\n".'[img]'.fpost_cleanpicture($media->src).'[/img]';
+                       if (isset($media->href) && ($pagedata["images"][0]["src"] != "") && ($media->href != "")) {
+                               $media->href = original_url($media->href);
+                               $pagedata["url"] = $media->href;
+                               $content .= "\n".'[url='.$media->href.'][img]'.$pagedata["images"][0]["src"].'[/img][/url]';
+                       } else {
+                               if ($pagedata["images"][0]["src"] != "")
+                                       $content .= "\n".'[img]'.$pagedata["images"][0]["src"].'[/img]';
 
                                // if just a link, it may be a wall photo - check
-                               if(isset($post->link))
+                               if (isset($post->link))
                                        $content .= fbpost_get_photo($media->href);
                        }
                }
        }
 
-       if ($content)
-               $postarray["body"] .= "\n\n";
+       if ($pagedata["type"] != "") {
+               if ($pagedata["type"] == "link")
+                       $postarray["object-type"] = ACTIVITY_OBJ_BOOKMARK;
 
-       if ($type)
-               $postarray["body"] .= "[class=type-".$type."]";
-
-       if ($content)
-               $postarray["body"] .= $content;
-
-       if ($quote)
-               $postarray["body"] .= "\n[quote]".trim($quote)."[/quote]";
+               $postarray["body"] .= add_page_info_data($pagedata);
+       } else {
+               if ($content)
+                       $postarray["body"] .= "\n".trim($content);
 
-       if ($type)
-               $postarray["body"] .= "[/class]";
+               if ($pagedata["text"])
+                       $postarray["body"] .= "\n[quote]".trim($pagedata["text"])."[/quote]";
 
-       $postarray["body"] = trim($postarray["body"]);
+               $postarray["body"] = trim($postarray["body"]);
+       }
 
        if (trim($postarray["body"]) == "")
                return;
@@ -363,7 +474,6 @@ function fbsync_createpost($a, $uid, $self, $contacts, $applications, $post, $cr
        //      $postarray["body"] = "Type: ".$post->type."\n".$postarray["body"];
        //print_r($post);
        //print_r($postarray);
-
        $item = item_store($postarray);
        logger('fbsync_createpost: User '.$self[0]["nick"].' posted feed item '.$item, LOGGER_DEBUG);
 }
@@ -387,33 +497,64 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
                return;
 
        $parent_uri = "";
+       $parent_contact = 0;
+       $parent_nick = "";
 
        // Fetch the parent uri (Checking if the parent exists)
-       $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
+       $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' LIMIT 1",
                intval($uid),
                dbesc('fb::'.$comment->post_id)
        );
-       if(count($r))
+       if(count($r)) {
                $parent_uri = $r[0]["uri"];
+               $parent_contact = $r[0]["contact-id"];
+       }
 
        // check if it is a reply to an own post (separate posting for performance reasons)
-       $r = q("SELECT `uri` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
+       $r = q("SELECT `uri`, `contact-id` FROM `item` WHERE `uid` = %d AND `extid` = '%s' LIMIT 1",
                intval($uid),
                dbesc('fb::'.$comment->post_id)
        );
-       if(count($r))
+       if(count($r)) {
                $parent_uri = $r[0]["uri"];
+               $parent_contact = $r[0]["contact-id"];
+       }
 
        // No parent? Then quit
        if ($parent_uri == "")
                return;
 
+       //logger("fbsync_createcomment: Checking if parent contact is blocked: ".$parent_contact." - ".$parent_uri, LOGGER_DEBUG);
+
+       // Check if the contact id was blocked
+       if ($parent_contact > 0) {
+               $r = q("SELECT `blocked`, `readonly`, `nick` FROM `contact` WHERE `uid` = %d AND `id` = %d LIMIT 1",
+                       intval($uid), intval($parent_contact));
+
+               // Should only happen if someone deleted the contact manually
+               if(!count($r)) {
+                       logger("fbsync_createcomment: UID ".$uid." - Contact ".$parent_contact." doesn't seem to exist.", LOGGER_DEBUG);
+                       return;
+               }
+
+               // Is blocked? Then return
+               if ($r[0]["readonly"] || $r[0]["blocked"]) {
+                       logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
+                       return;
+               }
+
+               $parent_nick = $r[0]["nick"];
+               logger("fbsync_createcomment: UID ".$uid." - Contact '".$r[0]["nick"]."' isn't blocked. ".print_r($r, true), LOGGER_DEBUG);
+       }
+
        $postarray = array();
        $postarray['gravity'] = 0;
        $postarray['uid'] = $uid;
        $postarray['wall'] = 0;
 
        $postarray['verb'] = ACTIVITY_POST;
+       $postarray['object-type'] = ACTIVITY_OBJ_COMMENT;
+       $postarray['network'] =  dbesc(NETWORK_FACEBOOK);
 
        $postarray['uri'] = "fb::".$comment->id;
        $postarray['thr-parent'] = $parent_uri;
@@ -422,8 +563,24 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
 
        $contact_id = fbsync_fetch_contact($uid, $contacts[$comment->fromid], array(), false);
 
-       if ($contact_id <= 0)
+       $contact_nick = $contacts[$comment->fromid]->name;
+
+       if ($contact_id == -1) {
+               logger('fbsync_createcomment: Contact was blocked. Comment not imported '.print_r($comment, true), LOGGER_DEBUG);
+               return;
+       }
+
+       // If no contact was found, take it from the thread owner
+       if ($contact_id <= 0) {
+               $contact_id = $parent_contact;
+               $contact_nick = $parent_nick;
+       }
+
+       // This case here should never happen
+       if ($contact_id <= 0) {
                $contact_id = $self[0]["id"];
+               $contact_nick = $self[0]["nick"];
+       }
 
        if ($comment->fromid != $self_id) {
                $postarray['contact-id'] = $contact_id;
@@ -435,6 +592,7 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
                $postarray['owner-name'] = $self[0]["name"];
                $postarray['owner-link'] = $self[0]["url"];
                $postarray['owner-avatar'] = $self[0]["photo"];
+               $contact_nick = $self[0]["nick"];
        }
 
        $postarray['author-name'] = $postarray['owner-name'];
@@ -458,7 +616,9 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
                return;
 
        $item = item_store($postarray);
-       logger('fbsync_createcomment: User '.$self[0]["nick"].' posted comment '.$item, LOGGER_DEBUG);
+       $postarray["id"] = $item;
+
+       logger('fbsync_createcomment: UID '.$uid.' - CID '.$postarray['contact-id'].' - Nick '.$contact_nick.' posted comment '.$item, LOGGER_DEBUG);
 
        if ($item == 0)
                return;
@@ -471,8 +631,8 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
        if(count($myconv)) {
                $importer_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
 
-               $own_contact = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
-                       intval($uid), dbesc("facebook::".$self_id));
+               $own_contact = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
+                       intval($uid), dbesc("facebook::".$self_id));
 
                if (!count($own_contact))
                        return;
@@ -480,7 +640,7 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
                foreach($myconv as $conv) {
 
                        // now if we find a match, it means we're in this conversation
-                       if(!link_compare($conv['author-link'],$importer_url) AND !link_compare($conv['author-link'],$own_contact[0]["url"]))
+                       if(!link_compare($conv['author-link'],$importer_url) && !link_compare($conv['author-link'],$own_contact[0]["url"]))
                                continue;
 
                        require_once('include/enotify.php');
@@ -495,7 +655,7 @@ function fbsync_createcomment($a, $uid, $self_id, $self, $user, $contacts, $appl
                                        'to_email'     => $user[0]['email'],
                                        'uid'          => $user[0]['uid'],
                                        'item'         => $postarray,
-                                       'link'             => $a->get_baseurl() . '/display/' . $user[0]['nickname'] . '/' . $item,
+                                       'link'         => $a->get_baseurl().'/display/'.urlencode(get_item_guid($item)),
                                        'source_name'  => $postarray['author-name'],
                                        'source_link'  => $postarray['author-link'],
                                        'source_photo' => $postarray['author-avatar'],
@@ -519,8 +679,8 @@ function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
                                intval($uid)
                );
 
-        if (count($r))
-                $orig_post = $r[0];
+       if (count($r))
+               $orig_post = $r[0];
        else
                return;
 
@@ -546,15 +706,18 @@ function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
                $contact_id = $self[0]["id"];
 
        $likedata = array();
-        $likedata['parent'] = $orig_post['id'];
-        $likedata['verb'] = ACTIVITY_LIKE;
-        $likedata['gravity'] = 3;
-        $likedata['uid'] = $uid;
-        $likedata['wall'] = 0;
-        $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
-        $likedata['parent-uri'] = $orig_post["uri"];
-        $likedata['app'] = "Facebook";
-        $likedata['verb'] = ACTIVITY_LIKE;
+       $likedata['parent'] = $orig_post['id'];
+
+       $likedata['verb'] = ACTIVITY_LIKE;
+       $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
+       $likedate['network'] =  dbesc(NETWORK_FACEBOOK);
+
+       $likedata['gravity'] = 3;
+       $likedata['uid'] = $uid;
+       $likedata['wall'] = 0;
+       $likedata['uri'] = item_new_uri($a->get_baseurl(), $uid);
+       $likedata['parent-uri'] = $orig_post["uri"];
+       $likedata['app'] = "Facebook";
 
        if ($like->user_id != $self_id) {
                $likedata['contact-id'] = $contact_id;
@@ -574,12 +737,12 @@ function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
        $post_type = t('status');
 
        $plink = '[url=' . $orig_post['plink'] . ']' . $post_type . '[/url]';
-        $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
+       $likedata['object-type'] = ACTIVITY_OBJ_NOTE;
 
-        $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
+       $likedata['body'] = sprintf( t('%1$s likes %2$s\'s %3$s'), $author, $objauthor, $plink);
 
-        $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
-                '<id>' . $orig_post['uri'] . '</id><link>' . xmlify('<link rel="alternate" type="text/html" href="' . xmlify($orig_post['plink']) . '" />') . '</link><title>' . $orig_post['title'] . '</title><content>' . $orig_post['body'] . '</content></object>';
+       $likedata['object'] = '<object><type>' . ACTIVITY_OBJ_NOTE . '</type><local>1</local>' .
+               '<id>' . $orig_post['uri'] . '</id><link>' . xmlify('<link rel="alternate" type="text/html" href="' . xmlify($orig_post['plink']) . '" />') . '</link><title>' . $orig_post['title'] . '</title><content>' . $orig_post['body'] . '</content></object>';
 
 
        $r = q("SELECT * FROM `item` WHERE `parent-uri` = '%s' AND `author-link` = '%s' AND `verb` = '%s' AND `uid` = %d LIMIT 1",
@@ -589,7 +752,7 @@ function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
                                intval($uid)
                );
 
-        if (count($r))
+       if (count($r))
                return;
 
        $item = item_store($likedata);
@@ -598,121 +761,144 @@ function fbsync_createlike($a, $uid, $self_id, $self, $contacts, $like) {
 
 function fbsync_fetch_contact($uid, $contact, $create_user) {
 
-        $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
-                intval($uid), dbesc("facebook::".$contact->id));
+       if($contact->url == "")
+               return(0);
 
-        if(!count($r) AND !$create_user)
-                return(0);
+       // Check if the unique contact is existing
+       // To-Do: only update once a while
+       $r = q("SELECT id FROM unique_contacts WHERE url='%s' LIMIT 1",
+               dbesc(normalise_link($contact->url)));
+
+       if (count($r) == 0)
+               q("INSERT INTO unique_contacts (url, name, nick, avatar) VALUES ('%s', '%s', '%s', '%s')",
+                       dbesc(normalise_link($contact->url)),
+                       dbesc($contact->name),
+                       dbesc($contact->username),
+                       dbesc($contact->pic_square));
+       else
+               q("UPDATE unique_contacts SET name = '%s', nick = '%s', avatar = '%s' WHERE url = '%s'",
+                       dbesc($contact->name),
+                       dbesc($contact->username),
+                       dbesc($contact->pic_square),
+                       dbesc(normalise_link($contact->url)));
 
-        if (count($r) AND ($r[0]["readonly"] OR $r[0]["blocked"])) {
-                logger("fbsync_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
-                return(-1);
-        }
+       $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
+               intval($uid), dbesc("facebook::".$contact->id));
+
+       if(!count($r) && !$create_user)
+               return(0);
+
+       if (count($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
+               logger("fbsync_fetch_contact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
+               return(-1);
+       }
 
        $avatarpicture = $contact->pic_square;
 
-        if(!count($r)) {
-                // create contact record
-                q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
-                                        `name`, `nick`, `photo`, `network`, `rel`, `priority`,
-                                        `writable`, `blocked`, `readonly`, `pending`)
-                                        VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0)",
-                        intval($uid),
-                        dbesc(datetime_convert()),
-                        dbesc($contact->url),
-                        dbesc(normalise_link($contact->url)),
-                        dbesc($contact->username."@facebook.com"),
-                        dbesc("facebook::".$contact->id),
-                        dbesc(''),
-                        dbesc("facebook::".$contact->id),
-                        dbesc($contact->name),
-                        dbesc($contact->username),
-                        dbesc($avatarpicture),
-                        dbesc(NETWORK_FACEBOOK),
-                        intval(CONTACT_IS_FRIEND),
-                        intval(1),
-                        intval(1)
-                );
-
-                $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
-                        dbesc("facebook::".$contact->id),
-                        intval($uid)
-                        );
-
-                if(! count($r))
-                        return(false);
-
-                $contact_id  = $r[0]['id'];
-
-                $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
-                        intval($uid)
-                );
-
-                if($g && intval($g[0]['def_gid'])) {
-                        require_once('include/group.php');
-                        group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
-                }
-
-                require_once("Photo.php");
-
-                $photos = import_profile_photo($avatarpicture,$uid,$contact_id);
-
-                q("UPDATE `contact` SET `photo` = '%s',
-                                        `thumb` = '%s',
-                                        `micro` = '%s',
-                                        `name-date` = '%s',
-                                        `uri-date` = '%s',
-                                        `avatar-date` = '%s'
-                                WHERE `id` = %d",
-                        dbesc($photos[0]),
-                        dbesc($photos[1]),
-                        dbesc($photos[2]),
-                        dbesc(datetime_convert()),
-                        dbesc(datetime_convert()),
-                        dbesc(datetime_convert()),
-                        intval($contact_id)
-                );
-        } else {
-                // update profile photos once every 12 hours as we have no notification of when they change.
-                $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
-
-                // check that we have all the photos, this has been known to fail on occasion
-                if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
-
-                        logger("fbsync_fetch_contact: Updating contact ".$contact->username, LOGGER_DEBUG);
-
-                        require_once("Photo.php");
-
-                        $photos = import_profile_photo($avatarpicture, $uid, $r[0]['id']);
-
-                        q("UPDATE `contact` SET `photo` = '%s',
-                                                `thumb` = '%s',
-                                                `micro` = '%s',
-                                                `name-date` = '%s',
-                                                `uri-date` = '%s',
-                                                `avatar-date` = '%s',
-                                                `url` = '%s',
-                                                `nurl` = '%s',
-                                                `addr` = '%s',
-                                                `name` = '%s',
-                                                `nick` = '%s'
-                                        WHERE `id` = %d",
-                                dbesc($photos[0]),
-                                dbesc($photos[1]),
-                                dbesc($photos[2]),
-                                dbesc(datetime_convert()),
-                                dbesc(datetime_convert()),
-                                dbesc(datetime_convert()),
-                                dbesc($contact->url),
-                                dbesc(normalise_link($contact->url)),
-                                dbesc($contact->username."@facebook.com"),
-                                dbesc($contact->name),
-                                dbesc($contact->username),
-                                intval($r[0]['id'])
-                        );
-                }
-        }
-        return($r[0]["id"]);
+       if(!count($r)) {
+               // create contact record
+               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($uid),
+                       dbesc(datetime_convert()),
+                       dbesc($contact->url),
+                       dbesc(normalise_link($contact->url)),
+                       dbesc($contact->username."@facebook.com"),
+                       dbesc("facebook::".$contact->id),
+                       dbesc($contact->id),
+                       dbesc("facebook::".$contact->id),
+                       dbesc($contact->name),
+                       dbesc($contact->username),
+                       dbesc($avatarpicture),
+                       dbesc(NETWORK_FACEBOOK),
+                       intval(CONTACT_IS_FRIEND),
+                       intval(1),
+                       intval(1)
+               );
+
+               $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
+                       dbesc("facebook::".$contact->id),
+                       intval($uid)
+                       );
+
+               if(! count($r))
+                       return(false);
+
+               $contact_id  = $r[0]['id'];
+
+               $g = q("SELECT def_gid FROM user WHERE uid = %d LIMIT 1",
+                       intval($uid)
+               );
+
+               if($g && intval($g[0]['def_gid'])) {
+                       require_once('include/group.php');
+                       group_add_member($uid,'',$contact_id,$g[0]['def_gid']);
+               }
+
+               require_once("Photo.php");
+
+               $photos = import_profile_photo($avatarpicture,$uid,$contact_id);
+
+               q("UPDATE `contact` SET `photo` = '%s',
+                                       `thumb` = '%s',
+                                       `micro` = '%s',
+                                       `name-date` = '%s',
+                                       `uri-date` = '%s',
+                                       `avatar-date` = '%s'
+                               WHERE `id` = %d",
+                       dbesc($photos[0]),
+                       dbesc($photos[1]),
+                       dbesc($photos[2]),
+                       dbesc(datetime_convert()),
+                       dbesc(datetime_convert()),
+                       dbesc(datetime_convert()),
+                       intval($contact_id)
+               );
+       } else {
+               // update profile photos once every 12 hours as we have no notification of when they change.
+               $update_photo = ($r[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
+
+               // check that we have all the photos, this has been known to fail on occasion
+               if((! $r[0]['photo']) || (! $r[0]['thumb']) || (! $r[0]['micro']) || ($update_photo)) {
+
+                       logger("fbsync_fetch_contact: Updating contact ".$contact->username, LOGGER_DEBUG);
+
+                       require_once("Photo.php");
+
+                       $photos = import_profile_photo($avatarpicture, $uid, $r[0]['id']);
+
+                       q("UPDATE `contact` SET `photo` = '%s',
+                                               `thumb` = '%s',
+                                               `micro` = '%s',
+                                               `name-date` = '%s',
+                                               `uri-date` = '%s',
+                                               `avatar-date` = '%s',
+                                               `url` = '%s',
+                                               `nurl` = '%s',
+                                               `addr` = '%s',
+                                               `name` = '%s',
+                                               `nick` = '%s',
+                                               `notify` = '%s'
+                                       WHERE `id` = %d",
+                               dbesc($photos[0]),
+                               dbesc($photos[1]),
+                               dbesc($photos[2]),
+                               dbesc(datetime_convert()),
+                               dbesc(datetime_convert()),
+                               dbesc(datetime_convert()),
+                               dbesc($contact->url),
+                               dbesc(normalise_link($contact->url)),
+                               dbesc($contact->username."@facebook.com"),
+                               dbesc($contact->name),
+                               dbesc($contact->username),
+                               dbesc($contact->id),
+                               intval($r[0]['id'])
+                       );
+               }
+       }
+       return($r[0]["id"]);
 }
 
 function fbsync_get_self($uid) {
@@ -784,7 +970,12 @@ function fbsync_fetchuser($a, $uid, $id) {
                intval($uid), dbesc("facebook::".$id));
 
        if (count($contact)) {
-               $user["contact-id"] = $contact[0]["id"];
+               if (($contact[0]["readonly"] || $contact[0]["blocked"])) {
+                       logger("fbsync_fetchuser: Contact '".$contact[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
+                       $user["contact-id"] = -1;
+               } else
+                       $user["contact-id"] = $contact[0]["id"];
+
                $user["name"] = $contact[0]["name"];
                $user["link"] = $contact[0]["url"];
                $user["avatar"] = $contact[0]["photo"];
@@ -854,7 +1045,6 @@ function fbsync_fetchfeed($a, $uid) {
        $url = "https://graph.facebook.com/fql?q=".urlencode(json_encode($fql))."&access_token=".$access_token;
 
        $feed = fetch_url($url);
-
        $data = json_decode($feed);
 
        if (!is_array($data->data)) {
@@ -938,7 +1128,6 @@ function fbsync_fetchfeed($a, $uid) {
        foreach ($post_data AS $post) {
                if ($post->updated_time > $last_updated)
                        $last_updated = $post->updated_time;
-
                fbsync_createpost($a, $uid, $self, $contacts, $application_data, $post, $create_user);
        }