]> git.mxchange.org Git - friendica-addons.git/blobdiff - appnet/appnet.php
Revert to stable version 3.5.4
[friendica-addons.git] / appnet / appnet.php
index e30ecdca40e59832bc83e25a1852289d7c9bcecd..151a81ee495735c2ccfc6008ffc4f18ab191ce12 100644 (file)
@@ -2,17 +2,34 @@
 
 /**
  * Name: App.net Connector
- * Description: Post to app.net
- * Version: 0.1
+ * Description: Bidirectional (posting and reading) connector for app.net.
+ * Version: 0.2
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
+ * Status: Unsupported
  */
 
+/*
+ To-Do:
+ - Use embedded pictures for the attachment information (large attachment)
+ - Sound links must be handled
+ - https://alpha.app.net/sr_rolando/post/32365203 - double pictures
+ - https://alpha.app.net/opendev/post/34396399 - location data
+*/
+
+require_once('include/enotify.php');
+require_once("include/socgraph.php");
+
+define('APPNET_DEFAULT_POLL_INTERVAL', 5); // given in minutes
+
 function appnet_install() {
-       register_hook('post_local',           'addon/appnet/appnet.php', 'appnet_post_local');
-       register_hook('notifier_normal',      'addon/appnet/appnet.php', 'appnet_send');
-       register_hook('jot_networks',         'addon/appnet/appnet.php', 'appnet_jot_nets');
-       register_hook('connector_settings',      'addon/appnet/appnet.php', 'appnet_settings');
-       register_hook('connector_settings_post', 'addon/appnet/appnet.php', 'appnet_settings_post');
+       register_hook('post_local',             'addon/appnet/appnet.php', 'appnet_post_local');
+       register_hook('notifier_normal',        'addon/appnet/appnet.php', 'appnet_send');
+       register_hook('jot_networks',           'addon/appnet/appnet.php', 'appnet_jot_nets');
+       register_hook('cron',                   'addon/appnet/appnet.php', 'appnet_cron');
+       register_hook('connector_settings',     'addon/appnet/appnet.php', 'appnet_settings');
+       register_hook('connector_settings_post','addon/appnet/appnet.php', 'appnet_settings_post');
+       register_hook('prepare_body',           'addon/appnet/appnet.php', 'appnet_prepare_body');
+       register_hook('check_item_notification','addon/appnet/appnet.php', 'appnet_check_item_notification');
 }
 
 
@@ -20,41 +37,80 @@ function appnet_uninstall() {
        unregister_hook('post_local',       'addon/appnet/appnet.php', 'appnet_post_local');
        unregister_hook('notifier_normal',  'addon/appnet/appnet.php', 'appnet_send');
        unregister_hook('jot_networks',     'addon/appnet/appnet.php', 'appnet_jot_nets');
-       unregister_hook('connector_settings',      'addon/appnet/appnet.php', 'appnet_settings');
+       unregister_hook('cron',                 'addon/appnet/appnet.php', 'appnet_cron');
+       unregister_hook('connector_settings',   'addon/appnet/appnet.php', 'appnet_settings');
        unregister_hook('connector_settings_post', 'addon/appnet/appnet.php', 'appnet_settings_post');
+       unregister_hook('prepare_body',         'addon/appnet/appnet.php', 'appnet_prepare_body');
+       unregister_hook('check_item_notification','addon/appnet/appnet.php', 'appnet_check_item_notification');
 }
 
 function appnet_module() {}
 
 function appnet_content(&$a) {
-        if(! local_user()) {
-                notice( t('Permission denied.') . EOL);
-                return '';
-        }
+       if(! local_user()) {
+               notice( t('Permission denied.') . EOL);
+               return '';
+       }
 
-        require_once("mod/settings.php");
-        settings_init($a);
-
-        if (isset($a->argv[1]))
-                switch ($a->argv[1]) {
-                        case "connect":
-                                $o = appnet_connect($a);
-                                break;
-                        default:
-                                $o = print_r($a->argv, true);
-                                break;
-                }
-        else
+       require_once("mod/settings.php");
+       settings_init($a);
+
+       if (isset($a->argv[1]))
+               switch ($a->argv[1]) {
+                       case "connect":
+                               $o = appnet_connect($a);
+                               break;
+                       default:
+                               $o = print_r($a->argv, true);
+                               break;
+               }
+       else
                $o = appnet_connect($a);
 
-        return $o;
+       return $o;
+}
+
+function appnet_check_item_notification($a, &$notification_data) {
+        $own_id = get_pconfig($notification_data["uid"], 'appnet', 'ownid');
+
+        $own_user = q("SELECT `url` FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
+                        intval($notification_data["uid"]),
+                        dbesc("adn::".$own_id)
+                );
+
+        if ($own_user)
+                $notification_data["profiles"][] = $own_user[0]["url"];
+}
+
+function appnet_plugin_admin(&$a, &$o){
+        $t = get_markup_template( "admin.tpl", "addon/appnet/" );
+
+        $o = replace_macros($t, array(
+                '$submit' => t('Save Settings'),
+                                                                // name, label, value, help, [extra values]
+                '$clientid' => array('clientid', t('Client ID'),  get_config('appnet', 'clientid' ), ''),
+                '$clientsecret' => array('clientsecret', t('Client Secret'),  get_config('appnet', 'clientsecret' ), ''),
+        ));
+}
+
+function appnet_plugin_admin_post(&$a){
+        $clientid     =       ((x($_POST,'clientid'))              ? notags(trim($_POST['clientid']))   : '');
+        $clientsecret =       ((x($_POST,'clientsecret'))   ? notags(trim($_POST['clientsecret'])): '');
+        set_config('appnet','clientid',$clientid);
+        set_config('appnet','clientsecret',$clientsecret);
+        info( t('Settings updated.'). EOL );
 }
 
 function appnet_connect(&$a) {
        require_once 'addon/appnet/AppDotNet.php';
 
-       $clientId     = get_pconfig(local_user(),'appnet','clientid');
-       $clientSecret = get_pconfig(local_user(),'appnet','clientsecret');
+       $clientId     = get_config('appnet','clientid');
+       $clientSecret = get_config('appnet','clientsecret');
+
+       if (($clientId == "") || ($clientSecret == "")) {
+               $clientId     = get_pconfig(local_user(),'appnet','clientid');
+               $clientSecret = get_pconfig(local_user(),'appnet','clientsecret');
+       }
 
        $app = new AppDotNet($clientId, $clientSecret);
 
@@ -94,8 +150,14 @@ function appnet_settings(&$a,&$s) {
                return;
 
        $token = get_pconfig(local_user(),'appnet','token');
-       $app_clientId     = get_pconfig(local_user(),'appnet','clientid');
-       $app_clientSecret = get_pconfig(local_user(),'appnet','clientsecret');
+
+       $app_clientId     = get_config('appnet','clientid');
+       $app_clientSecret = get_config('appnet','clientsecret');
+
+       if (($app_clientId == "") || ($app_clientSecret == "")) {
+               $app_clientId     = get_pconfig(local_user(),'appnet','clientid');
+               $app_clientSecret = get_pconfig(local_user(),'appnet','clientsecret');
+       }
 
        /* Add our stylesheet to the page so we can make our settings look nice */
        $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="' . $a->get_baseurl() . '/addon/appnet/appnet.css' . '" media="all" />' . "\r\n";
@@ -108,12 +170,17 @@ function appnet_settings(&$a,&$s) {
        $def_enabled = get_pconfig(local_user(),'appnet','post_by_default');
        $def_checked = (($def_enabled) ? ' checked="checked" ' : '');
 
+       $importenabled = get_pconfig(local_user(),'appnet','import');
+       $importchecked = (($importenabled) ? ' checked="checked" ' : '');
+
+       $ownid =  get_pconfig(local_user(),'appnet','ownid');
+
        $s .= '<span id="settings_appnet_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose(\'settings_appnet_expanded\'); openClose(\'settings_appnet_inflated\');">';
-       $s .= '<img class="connector'.$css.'" src="images/appnet.png" /><h3 class="connector">'. t('App.net Export').'</h3>';
+       $s .= '<img class="connector'.$css.'" src="images/appnet.png" /><h3 class="connector">'. t('App.net Import/Export').'</h3>';
        $s .= '</span>';
        $s .= '<div id="settings_appnet_expanded" class="settings-block" style="display: none;">';
        $s .= '<span class="fakelink" onclick="openClose(\'settings_appnet_expanded\'); openClose(\'settings_appnet_inflated\');">';
-       $s .= '<img class="connector'.$css.'" src="images/appnet.png" /><h3 class="connector">'. t('App.net Export').'</h3>';
+       $s .= '<img class="connector'.$css.'" src="images/appnet.png" /><h3 class="connector">'. t('App.net Import/Export').'</h3>';
        $s .= '</span>';
 
        if ($token != "") {
@@ -123,6 +190,9 @@ function appnet_settings(&$a,&$s) {
                try {
                        $userdata = $app->getUser();
 
+                       if ($ownid != $userdata["id"])
+                               set_pconfig(local_user(),'appnet','ownid', $userdata["id"]);
+
                        $s .= '<div id="appnet-info" ><img id="appnet-avatar" src="'.$userdata["avatar_image"]["url"].'" /><p id="appnet-info-block">'. t('Currently connected to: ') .'<a href="'.$userdata["canonical_url"].'" target="_appnet">'.$userdata["username"].'</a><br /><em>'.$userdata["description"]["text"].'</em></p></div>';
                        $s .= '<div id="appnet-enable-wrapper">';
                        $s .= '<label id="appnet-enable-label" for="appnet-checkbox">' . t('Enable App.net Post Plugin') . '</label>';
@@ -133,24 +203,28 @@ function appnet_settings(&$a,&$s) {
                        $s .= '<label id="appnet-bydefault-label" for="appnet-bydefault">' . t('Post to App.net by default') . '</label>';
                        $s .= '<input id="appnet-bydefault" type="checkbox" name="appnet_bydefault" value="1" ' . $def_checked . '/>';
                        $s .= '</div><div class="clear"></div>';
+
+                       $s .= '<label id="appnet-import-label" for="appnet-import">'.t('Import the remote timeline').'</label>';
+                       $s .= '<input id="appnet-import" type="checkbox" name="appnet_import" value="1" '. $importchecked . '/>';
+                       $s .= '<div class="clear"></div>';
+
                }
-                catch (AppDotNetException $e) {
+               catch (AppDotNetException $e) {
                        $s .= t("<p>Error fetching user profile. Please clear the configuration and try again.</p>");
                }
-               //$s .= print_r($userdata, true);
 
-       } elseif (($app_clientId == '') OR ($app_clientSecret == '')) {
+       } elseif (($app_clientId == '') || ($app_clientSecret == '')) {
                $s .= t("<p>You have two ways to connect to App.net.</p>");
                $s .= "<hr />";
                $s .= t('<p>First way: Register an application at <a href="https://account.app.net/developer/apps/">https://account.app.net/developer/apps/</a> and enter Client ID and Client Secret. ');
                $s .= sprintf(t("Use '%s' as Redirect URI<p>"), $a->get_baseurl().'/appnet/connect');
                $s .= '<div id="appnet-clientid-wrapper">';
                $s .= '<label id="appnet-clientid-label" for="appnet-clientid">' . t('Client ID') . '</label>';
-               $s .= '<input id="appnet-clientid" type="text" name="clientid" value="'.$app_clientId.'" />';
+               $s .= '<input id="appnet-clientid" type="text" name="clientid" value="" />';
                $s .= '</div><div class="clear"></div>';
                $s .= '<div id="appnet-clientsecret-wrapper">';
                $s .= '<label id="appnet-clientsecret-label" for="appnet-clientsecret">' . t('Client Secret') . '</label>';
-               $s .= '<input id="appnet-clientsecret" type="text" name="clientsecret" value="'.$app_clientSecret.'" />';
+               $s .= '<input id="appnet-clientsecret" type="text" name="clientsecret" value="" />';
                $s .= '</div><div class="clear"></div>';
                $s .= "<hr />";
                $s .= t('<p>Second way: fetch a token at <a href="http://dev-lite.jonathonduerig.com/">http://dev-lite.jonathonduerig.com/</a>. ');
@@ -171,7 +245,7 @@ function appnet_settings(&$a,&$s) {
                $s .= '<a href="'.$url.'">'.t("Sign in using App.net").'</a>';
        }
 
-       if (($app_clientId != '') OR ($app_clientSecret != '') OR ($token !='')) {
+       if (($app_clientId != '') || ($app_clientSecret != '') || ($token !='')) {
                $s .= '<div id="appnet-disconnect-wrapper">';
                $s .= '<label id="appnet-disconnect-label" for="appnet-disconnect">'. t('Clear OAuth configuration') .'</label>';
 
@@ -193,6 +267,9 @@ function appnet_settings_post(&$a,&$b) {
                        del_pconfig(local_user(), 'appnet', 'clientsecret');
                        del_pconfig(local_user(), 'appnet', 'clientid');
                        del_pconfig(local_user(), 'appnet', 'token');
+                       del_pconfig(local_user(), 'appnet', 'post');
+                       del_pconfig(local_user(), 'appnet', 'post_by_default');
+                       del_pconfig(local_user(), 'appnet', 'import');
                }
 
                if (isset($_POST["clientsecret"]))
@@ -201,61 +278,211 @@ function appnet_settings_post(&$a,&$b) {
                if (isset($_POST["clientid"]))
                        set_pconfig(local_user(),'appnet','clientid', $_POST['clientid']);
 
-               if (isset($_POST["token"]) AND ($_POST["token"] != ""))
+               if (isset($_POST["token"]) && ($_POST["token"] != ""))
                        set_pconfig(local_user(),'appnet','token', $_POST['token']);
 
-               set_pconfig(local_user(),'appnet','post',intval($_POST['appnet']));
-               set_pconfig(local_user(),'appnet','post_by_default',intval($_POST['appnet_bydefault']));
+               set_pconfig(local_user(), 'appnet', 'post', intval($_POST['appnet']));
+               set_pconfig(local_user(), 'appnet', 'post_by_default', intval($_POST['appnet_bydefault']));
+               set_pconfig(local_user(), 'appnet', 'import', intval($_POST['appnet_import']));
        }
 }
 
 function appnet_post_local(&$a,&$b) {
-
        if($b['edit'])
                return;
 
-       if((! local_user()) || (local_user() != $b['uid']))
-               return;
+       if((local_user()) && (local_user() == $b['uid']) && (!$b['private']) && (!$b['parent'])) {
+               $appnet_post = intval(get_pconfig(local_user(),'appnet','post'));
+               $appnet_enable = (($appnet_post && x($_REQUEST,'appnet_enable')) ? intval($_REQUEST['appnet_enable']) : 0);
 
-       if($b['private'] || $b['parent'])
-               return;
+               // if API is used, default to the chosen settings
+               if($b['api_source'] && intval(get_pconfig(local_user(),'appnet','post_by_default')))
+                       $appnet_enable = 1;
 
-       $post   = intval(get_pconfig(local_user(),'appnet','post'));
+               if(! $appnet_enable)
+                       return;
 
-       $enable = (($post && x($_REQUEST,'appnet_enable')) ? intval($_REQUEST['appnet_enable']) : 0);
+               if(strlen($b['postopts']))
+                       $b['postopts'] .= ',';
 
-       if($_REQUEST['api_source'] && intval(get_pconfig(local_user(),'appnet','post_by_default')))
-               $enable = 1;
+               $b['postopts'] .= 'appnet';
+       }
+}
 
-       if(!$enable)
-               return;
+function appnet_create_entities($a, $b, $postdata) {
+       require_once("include/bbcode.php");
+       require_once("include/plaintext.php");
+
+       $bbcode = $b["body"];
+       $bbcode = bb_remove_share_information($bbcode, false, true);
 
-       if(strlen($b['postopts']))
-               $b['postopts'] .= ',';
+       // Change pure links in text to bbcode uris
+       $bbcode = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2]$2[/url]', $bbcode);
 
-       $b['postopts'] .= 'appnet';
+       $URLSearchString = "^\[\]";
+
+       $bbcode = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",'#$2',$bbcode);
+       $bbcode = preg_replace("/@\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",'@$2',$bbcode);
+       $bbcode = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$bbcode);
+       $bbcode = preg_replace("/\[video\](.*?)\[\/video\]/ism",'[url=$1]$1[/url]',$bbcode);
+       $bbcode = preg_replace("/\[youtube\]https?:\/\/(.*?)\[\/youtube\]/ism",'[url=https://$1]https://$1[/url]',$bbcode);
+       $bbcode = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
+                              '[url=https://www.youtube.com/watch?v=$1]https://www.youtube.com/watch?v=$1[/url]', $bbcode);
+       $bbcode = preg_replace("/\[vimeo\]https?:\/\/(.*?)\[\/vimeo\]/ism",'[url=https://$1]https://$1[/url]',$bbcode);
+       $bbcode = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
+                               '[url=https://vimeo.com/$1]https://vimeo.com/$1[/url]', $bbcode);
+       //$bbcode = preg_replace("/\[vimeo\](.*?)\[\/vimeo\]/ism",'[url=$1]$1[/url]',$bbcode);
+
+       $bbcode = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $bbcode);
+
+
+       preg_match_all("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $bbcode, $urls, PREG_SET_ORDER);
+
+       $bbcode = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",'$1',$bbcode);
+
+       $b["body"] = $bbcode;
+
+       // To-Do:
+       // Bilder
+       // https://alpha.app.net/heluecht/post/32424376
+       // https://alpha.app.net/heluecht/post/32424307
+
+       $plaintext = plaintext($a, $b, 0, false, 6);
+
+       $text = $plaintext["text"];
+
+       $start = 0;
+       $entities = array();
+
+       foreach ($urls AS $url) {
+               $lenurl = iconv_strlen($url[1], "UTF-8");
+               $len = iconv_strlen($url[2], "UTF-8");
+               $pos = iconv_strpos($text, $url[1], $start, "UTF-8");
+               $pre = iconv_substr($text, 0, $pos, "UTF-8");
+               $post = iconv_substr($text, $pos + $lenurl, 1000000, "UTF-8");
+
+               $mid = $url[2];
+               $html = bbcode($mid, false, false, 6);
+               $mid = html2plain($html, 0, true);
+
+               $mid = trim(html_entity_decode($mid,ENT_QUOTES,'UTF-8'));
+
+               $text = $pre.$mid.$post;
+
+               if ($mid != "")
+                       $entities[] = array("pos" => $pos, "len" => $len, "url" => $url[1], "text" => $mid);
+
+               $start = $pos + 1;
+       }
+
+       if (isset($postdata["url"]) && isset($postdata["title"]) && ($postdata["type"] != "photo")) {
+               $postdata["title"] = shortenmsg($postdata["title"], 90);
+               $max = 256 - strlen($postdata["title"]);
+               $text = shortenmsg($text, $max);
+               $text .= "\n[".$postdata["title"]."](".$postdata["url"].")";
+       } elseif (isset($postdata["url"]) && ($postdata["type"] != "photo")) {
+               $postdata["url"] = short_link($postdata["url"]);
+               $max = 240;
+               $text = shortenmsg($text, $max);
+               $text .= " [".$postdata["url"]."](".$postdata["url"].")";
+       } else {
+               $max = 256;
+               $text = shortenmsg($text, $max);
+       }
+
+       if (iconv_strlen($text, "UTF-8") < $max)
+               $max = iconv_strlen($text, "UTF-8");
+
+       krsort($entities);
+       foreach ($entities AS $entity) {
+               //if (iconv_strlen($text, "UTF-8") >= $entity["pos"] + $entity["len"]) {
+               if (($entity["pos"] + $entity["len"]) <= $max) {
+                       $pre = iconv_substr($text, 0, $entity["pos"], "UTF-8");
+                       $post = iconv_substr($text, $entity["pos"] + $entity["len"], 1000000, "UTF-8");
+
+                       $text = $pre."[".$entity["text"]."](".$entity["url"].")".$post;
+               }
+       }
+
+
+       return($text);
 }
 
 function appnet_send(&$a,&$b) {
 
        logger('appnet_send: invoked for post '.$b['id']." ".$b['app']);
 
-       if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
-               return;
+       if (!get_pconfig($b["uid"],'appnet','import')) {
+               if($b['deleted'] || $b['private'] || ($b['created'] !== $b['edited']))
+                       return;
+       }
+
+       if($b['parent'] != $b['id']) {
+               logger("appnet_send: parameter ".print_r($b, true), LOGGER_DATA);
+
+               // Looking if its a reply to an app.net post
+               if ((substr($b["parent-uri"], 0, 5) != "adn::") && (substr($b["extid"], 0, 5) != "adn::") && (substr($b["thr-parent"], 0, 5) != "adn::")) {
+                       logger("appnet_send: no app.net post ".$b["parent"]);
+                       return;
+               }
+
+               $r = q("SELECT * FROM item WHERE item.uri = '%s' AND item.uid = %d LIMIT 1",
+                       dbesc($b["thr-parent"]),
+                       intval($b["uid"]));
+
+               if(!count($r)) {
+                       logger("appnet_send: no parent found ".$b["thr-parent"]);
+                       return;
+               } else {
+                       $iscomment = true;
+                       $orig_post = $r[0];
+               }
+
+               $nicknameplain = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1", $orig_post["author-link"]);
+               $nickname = "@[url=".$orig_post["author-link"]."]".$nicknameplain."[/url]";
+               $nicknameplain = "@".$nicknameplain;
+
+               logger("appnet_send: comparing ".$nickname." and ".$nicknameplain." with ".$b["body"], LOGGER_DEBUG);
+               if ((strpos($b["body"], $nickname) === false) && (strpos($b["body"], $nicknameplain) === false))
+                       $b["body"] = $nickname." ".$b["body"];
 
-       if(! strstr($b['postopts'],'appnet'))
+               logger("appnet_send: parent found ".print_r($orig_post, true), LOGGER_DATA);
+       } else {
+               $iscomment = false;
+
+               if($b['private'] || !strstr($b['postopts'],'appnet'))
+                       return;
+       }
+
+       if (($b['verb'] == ACTIVITY_POST) && $b['deleted'])
+               appnet_action($a, $b["uid"], substr($orig_post["uri"], 5), "delete");
+
+       if($b['verb'] == ACTIVITY_LIKE) {
+               logger("appnet_send: ".print_r($b, true), LOGGER_DEBUG);
+               logger("appnet_send: parameter 2 ".substr($b["thr-parent"], 5), LOGGER_DEBUG);
+               if ($b['deleted'])
+                       appnet_action($a, $b["uid"], substr($b["thr-parent"], 5), "unlike");
+               else
+                       appnet_action($a, $b["uid"], substr($b["thr-parent"], 5), "like");
                return;
+       }
 
-       if($b['parent'] != $b['id'])
+       if($b['deleted'] || ($b['created'] !== $b['edited']))
                return;
 
        $token = get_pconfig($b['uid'],'appnet','token');
 
        if($token) {
+
+               // If it's a repeated message from app.net then do a native repost and exit
+               if (appnet_is_repost($a, $b['uid'], $b['body']))
+                       return;
+
+
                require_once 'addon/appnet/AppDotNet.php';
 
-               $clientId     = get_pconfig(local_user(),'appnet','clientid');
-               $clientSecret = get_pconfig(local_user(),'appnet','clientsecret');
+               $clientId     = get_pconfig($b["uid"],'appnet','clientid');
+               $clientSecret = get_pconfig($b["uid"],'appnet','clientsecret');
 
                $app = new AppDotNet($clientId, $clientSecret);
                $app->setAccessToken($token);
@@ -265,12 +492,12 @@ function appnet_send(&$a,&$b) {
                require_once("include/plaintext.php");
                require_once("include/network.php");
 
-               $post = plaintext($a, $b, 256, false);
+               $post = plaintext($a, $b, 256, false, 6);
                logger("appnet_send: converted message ".$b["id"]." result: ".print_r($post, true), LOGGER_DEBUG);
 
                if (isset($post["image"])) {
                        $img_str = fetch_url($post['image'],true, $redirects, 10);
-                       $tempfile = tempnam(get_config("system","temppath"), "cache");
+                       $tempfile = tempnam(get_temppath(), "cache");
                        file_put_contents($tempfile, $img_str);
 
                        try {
@@ -287,16 +514,35 @@ function appnet_send(&$a,&$b) {
                                                                );
                        }
                        catch (AppDotNetException $e) {
-                               logger("appnet_send: Error creating file");
+                               logger("appnet_send: Error creating file ".appnet_error($e->getMessage()));
                        }
 
                        unlink($tempfile);
                }
 
-               // To-Do
-               // Alle Links verkürzen
-
-               if (isset($post["url"]) AND !isset($post["title"])) {
+               // Adding a link to the original post, if it is a root post
+               if($b['parent'] == $b['id'])
+                       $data["annotations"][] = array(
+                                                       "type" => "net.app.core.crosspost",
+                                                       "value" => array("canonical_url" => $b["plink"])
+                                                       );
+
+               // Adding the original post
+               $attached_data = get_attached_data($b["body"]);
+               $attached_data["post-uri"] = $b["uri"];
+               $attached_data["post-title"] = $b["title"];
+               $attached_data["post-body"] = substr($b["body"], 0, 4000); // To-Do: Better shortening
+               $attached_data["post-tag"] = $b["tag"];
+               $attached_data["author-name"] = $b["author-name"];
+               $attached_data["author-link"] = $b["author-link"];
+               $attached_data["author-avatar"] = $b["author-avatar"];
+
+               $data["annotations"][] = array(
+                                               "type" => "com.friendica.post",
+                                               "value" => $attached_data
+                                               );
+
+               if (isset($post["url"]) && !isset($post["title"]) && ($post["type"] != "photo")) {
                        $display_url = str_replace(array("http://www.", "https://www."), array("", ""), $post["url"]);
                        $display_url = str_replace(array("http://", "https://"), array("", ""), $display_url);
 
@@ -306,26 +552,807 @@ function appnet_send(&$a,&$b) {
                        $post["title"] = $display_url;
                }
 
-               if (isset($post["url"]) AND isset($post["title"])) {
-                       $post["title"] = shortenmsg($post["title"], 90);
-                       $post["text"] = shortenmsg($post["text"], 256 - strlen($post["title"]));
-                       $post["text"] .= "\n[".$post["title"]."](".$post["url"].")";
-               } elseif (isset($post["url"])) {
-                       $post["url"] = short_link($post["url"]);
-                       $post["text"] = shortenmsg($post["text"], 240);
-                       $post["text"] .= " ".$post["url"];
-               }
+               $text = appnet_create_entities($a, $b, $post);
 
-               //print_r($post);
-               $data["entities"]["parse_links"] = true;
-                $data["entities"]["parse_markdown_links"] = true;
+               $data["entities"]["parse_markdown_links"] = true;
+
+               if ($iscomment)
+                       $data["reply_to"] = substr($orig_post["uri"], 5);
 
                try {
-                       $ret = $app->createPost($post["text"], $data);
+                       logger("appnet_send: sending message ".$b["id"]." ".$text." ".print_r($data, true), LOGGER_DEBUG);
+                       $ret = $app->createPost($text, $data);
                        logger("appnet_send: send message ".$b["id"]." result: ".print_r($ret, true), LOGGER_DEBUG);
+                       if ($iscomment) {
+                               logger('appnet_send: Update extid '.$ret["id"]." for post id ".$b['id']);
+                               q("UPDATE `item` SET `extid` = '%s' WHERE `id` = %d",
+                                       dbesc("adn::".$ret["id"]),
+                                       intval($b['id'])
+                               );
+                       }
                }
                catch (AppDotNetException $e) {
-                       logger("appnet_send: Error sending message ".$b["id"]);
+                       logger("appnet_send: Error sending message ".$b["id"]." ".appnet_error($e->getMessage()));
+               }
+       }
+}
+
+function appnet_action($a, $uid, $pid, $action) {
+       require_once 'addon/appnet/AppDotNet.php';
+
+       $token        = get_pconfig($uid,'appnet','token');
+       $clientId     = get_pconfig($uid,'appnet','clientid');
+       $clientSecret = get_pconfig($uid,'appnet','clientsecret');
+
+       $app = new AppDotNet($clientId, $clientSecret);
+       $app->setAccessToken($token);
+
+       logger("appnet_action '".$action."' ID: ".$pid, LOGGER_DATA);
+
+       try {
+               switch ($action) {
+                       case "delete":
+                               $result = $app->deletePost($pid);
+                               break;
+                       case "like":
+                               $result = $app->starPost($pid);
+                               break;
+                       case "unlike":
+                               $result = $app->unstarPost($pid);
+                               break;
+               }
+               logger("appnet_action '".$action."' send, result: " . print_r($result, true), LOGGER_DEBUG);
+       }
+       catch (AppDotNetException $e) {
+               logger("appnet_action: Error sending action ".$action." pid ".$pid." ".appnet_error($e->getMessage()), LOGGER_DEBUG);
+       }
+}
+
+function appnet_is_repost($a, $uid, $body) {
+       $body = trim($body);
+
+       // Skip if it isn't a pure repeated messages
+       // Does it start with a share?
+       if (strpos($body, "[share") > 0)
+               return(false);
+
+       // Does it end with a share?
+       if (strlen($body) > (strrpos($body, "[/share]") + 8))
+               return(false);
+
+       $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
+       // Skip if there is no shared message in there
+       if ($body == $attributes)
+               return(false);
+
+       $link = "";
+       preg_match("/link='(.*?)'/ism", $attributes, $matches);
+       if ($matches[1] != "")
+               $link = $matches[1];
+
+       preg_match('/link="(.*?)"/ism', $attributes, $matches);
+       if ($matches[1] != "")
+               $link = $matches[1];
+
+       $id = preg_replace("=https?://alpha.app.net/(.*)/post/(.*)=ism", "$2", $link);
+       if ($id == $link)
+               return(false);
+
+       logger('appnet_is_repost: Reposting id '.$id.' for user '.$uid, LOGGER_DEBUG);
+
+       require_once 'addon/appnet/AppDotNet.php';
+
+       $token        = get_pconfig($uid,'appnet','token');
+       $clientId     = get_pconfig($uid,'appnet','clientid');
+       $clientSecret = get_pconfig($uid,'appnet','clientsecret');
+
+       $app = new AppDotNet($clientId, $clientSecret);
+       $app->setAccessToken($token);
+
+       try {
+               $result = $app->repost($id);
+               logger('appnet_is_repost: result '.print_r($result, true), LOGGER_DEBUG);
+               return true;
+       }
+       catch (AppDotNetException $e) {
+               logger('appnet_is_repost: error doing repost '.appnet_error($e->getMessage()), LOGGER_DEBUG);
+               return false;
+       }
+}
+
+function appnet_fetchstream($a, $uid) {
+       require_once("addon/appnet/AppDotNet.php");
+       require_once('include/items.php');
+
+       $token = get_pconfig($uid,'appnet','token');
+       $clientId     = get_pconfig($uid,'appnet','clientid');
+       $clientSecret = get_pconfig($uid,'appnet','clientsecret');
+
+       $app = new AppDotNet($clientId, $clientSecret);
+       $app->setAccessToken($token);
+
+       $r = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
+               intval($uid));
+
+       if(count($r))
+               $me = $r[0];
+       else {
+               logger("appnet_fetchstream: Own contact not found for user ".$uid, LOGGER_DEBUG);
+               return;
+       }
+
+       $user = q("SELECT * FROM `user` WHERE `uid` = %d AND `account_expired` = 0 LIMIT 1",
+               intval($uid)
+       );
+
+       if(count($user))
+               $user = $user[0];
+       else {
+               logger("appnet_fetchstream: Own user not found for user ".$uid, LOGGER_DEBUG);
+               return;
+       }
+
+       $ownid = get_pconfig($uid,'appnet','ownid');
+
+       // Fetch stream
+       $param = array("count" => 200, "include_deleted" => false, "include_directed_posts" => true,
+                       "include_html" => false, "include_post_annotations" => true);
+
+       $lastid  = get_pconfig($uid, 'appnet', 'laststreamid');
+
+       if ($lastid <> "")
+               $param["since_id"] = $lastid;
+
+       try {
+               $stream = $app->getUserStream($param);
+       }
+       catch (AppDotNetException $e) {
+               logger("appnet_fetchstream: Error fetching stream for user ".$uid." ".appnet_error($e->getMessage()));
+               return;
+       }
+
+       if (!is_array($stream))
+               $stream = array();
+
+       $stream = array_reverse($stream);
+       foreach ($stream AS $post) {
+               $postarray = appnet_createpost($a, $uid, $post, $me, $user, $ownid, true);
+
+               $item = item_store($postarray);
+               $postarray["id"] = $item;
+
+               logger('appnet_fetchstream: User '.$uid.' posted stream item '.$item);
+
+               $lastid = $post["id"];
+
+               if (($item != 0) && ($postarray['contact-id'] != $me["id"]) && !function_exists("check_item_notification")) {
+                       $r = q("SELECT `thread`.`iid` AS `parent` FROM `thread`
+                               INNER JOIN `item` ON `thread`.`iid` = `item`.`parent` AND `thread`.`uid` = `item`.`uid`
+                               WHERE `item`.`id` = %d AND `thread`.`mention` LIMIT 1", dbesc($item));
+
+                       if (count($r)) {
+                               require_once('include/enotify.php');
+                               notification(array(
+                                       'type'         => NOTIFY_COMMENT,
+                                       'notify_flags' => $user['notify-flags'],
+                                       'language'     => $user['language'],
+                                       'to_name'      => $user['username'],
+                                       'to_email'     => $user['email'],
+                                       'uid'          => $user['uid'],
+                                       'item'         => $postarray,
+                                       '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'],
+                                       'verb'         => ACTIVITY_POST,
+                                       'otype'        => 'item',
+                                       'parent'       => $r[0]["parent"],
+                               ));
+                       }
+               }
+       }
+
+       set_pconfig($uid, 'appnet', 'laststreamid', $lastid);
+
+       // Fetch mentions
+       $param = array("count" => 200, "include_deleted" => false, "include_directed_posts" => true,
+                       "include_html" => false, "include_post_annotations" => true);
+
+       $lastid  = get_pconfig($uid, 'appnet', 'lastmentionid');
+
+       if ($lastid <> "")
+               $param["since_id"] = $lastid;
+
+       try {
+               $mentions = $app->getUserMentions("me", $param);
+       }
+       catch (AppDotNetException $e) {
+               logger("appnet_fetchstream: Error fetching mentions for user ".$uid." ".appnet_error($e->getMessage()));
+               return;
+       }
+
+       if (!is_array($mentions))
+               $mentions = array();
+
+       $mentions = array_reverse($mentions);
+       foreach ($mentions AS $post) {
+               $postarray = appnet_createpost($a, $uid, $post, $me, $user, $ownid, false);
+
+               if (isset($postarray["id"])) {
+                       $item = $postarray["id"];
+                       $parent_id = $postarray['parent'];
+               } elseif (isset($postarray["body"])) {
+                       $item = item_store($postarray);
+                       $postarray["id"] = $item;
+
+                       $parent_id = 0;
+                       logger('appnet_fetchstream: User '.$uid.' posted mention item '.$item);
+
+                       if ($item && function_exists("check_item_notification"))
+                               check_item_notification($item, $uid, NOTIFY_TAGSELF);
+
+               } else {
+                       $item = 0;
+                       $parent_id = 0;
+               }
+
+               // Fetch the parent and id
+               if (($parent_id == 0) && ($postarray['uri'] != "")) {
+                       $r = q("SELECT `id`, `parent` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                               dbesc($postarray['uri']),
+                               intval($uid)
+                       );
+
+                       if (count($r)) {
+                               $item = $r[0]['id'];
+                               $parent_id = $r[0]['parent'];
+                       }
+               }
+
+               $lastid = $post["id"];
+
+               //if (($item != 0) && ($postarray['contact-id'] != $me["id"])) {
+               if (($item != 0) && !function_exists("check_item_notification")) {
+                       require_once('include/enotify.php');
+                       notification(array(
+                               'type'         => NOTIFY_TAGSELF,
+                               'notify_flags' => $user['notify-flags'],
+                               'language'     => $user['language'],
+                               'to_name'      => $user['username'],
+                               'to_email'     => $user['email'],
+                               'uid'          => $user['uid'],
+                               'item'         => $postarray,
+                               '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'],
+                               'verb'         => ACTIVITY_TAG,
+                               'otype'        => 'item',
+                               'parent'       => $parent_id,
+                       ));
+               }
+       }
+
+       set_pconfig($uid, 'appnet', 'lastmentionid', $lastid);
+
+
+/* To-Do
+       $param = array("interaction_actions" => "star");
+       $interactions = $app->getMyInteractions($param);
+       foreach ($interactions AS $interaction)
+               appnet_dolike($a, $uid, $interaction);
+*/
+}
+
+function appnet_createpost($a, $uid, $post, $me, $user, $ownid, $createuser, $threadcompletion = true, $nodupcheck = false) {
+       require_once('include/items.php');
+
+       if ($post["machine_only"])
+               return;
+
+       if ($post["is_deleted"])
+               return;
+
+       $postarray = array();
+       $postarray['gravity'] = 0;
+       $postarray['uid'] = $uid;
+       $postarray['wall'] = 0;
+       $postarray['verb'] = ACTIVITY_POST;
+       $postarray['network'] =  dbesc(NETWORK_APPNET);
+       if (is_array($post["repost_of"])) {
+               // You can't reply to reposts. So use the original id and thread-id
+               $postarray['uri'] = "adn::".$post["repost_of"]["id"];
+               $postarray['parent-uri'] = "adn::".$post["repost_of"]["thread_id"];
+       } else {
+               $postarray['uri'] = "adn::".$post["id"];
+               $postarray['parent-uri'] = "adn::".$post["thread_id"];
+       }
+
+       if (!$nodupcheck) {
+               $r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                       dbesc($postarray['uri']),
+                       intval($uid)
+                       );
+
+               if (count($r))
+                       return($r[0]);
+
+               $r = q("SELECT * FROM `item` WHERE `extid` = '%s' AND `uid` = %d LIMIT 1",
+                       dbesc($postarray['uri']),
+                       intval($uid)
+                       );
+
+               if (count($r))
+                       return($r[0]);
+       }
+
+       if (isset($post["reply_to"]) && ($post["reply_to"] != "")) {
+               $postarray['thr-parent'] = "adn::".$post["reply_to"];
+
+               // Complete the thread (if the parent doesn't exists)
+               if ($threadcompletion) {
+                       //$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
+                       //      dbesc($postarray['thr-parent']),
+                       //      intval($uid)
+                       //      );
+                       //if (!count($r)) {
+                               logger("appnet_createpost: completing thread ".$post["thread_id"]." for user ".$uid, LOGGER_DEBUG);
+
+                               require_once("addon/appnet/AppDotNet.php");
+
+                               $token = get_pconfig($uid,'appnet','token');
+                               $clientId     = get_pconfig($uid,'appnet','clientid');
+                               $clientSecret = get_pconfig($uid,'appnet','clientsecret');
+
+                               $app = new AppDotNet($clientId, $clientSecret);
+                               $app->setAccessToken($token);
+
+                               $param = array("count" => 200, "include_deleted" => false, "include_directed_posts" => true,
+                                               "include_html" => false, "include_post_annotations" => true);
+                               try {
+                                       $thread = $app->getPostReplies($post["thread_id"], $param);
+                               }
+                               catch (AppDotNetException $e) {
+                                       logger("appnet_createpost: Error fetching thread for user ".$uid." ".appnet_error($e->getMessage()));
+                               }
+                               $thread = array_reverse($thread);
+
+                               logger("appnet_createpost: fetched ".count($thread)." items for thread ".$post["thread_id"]." for user ".$uid, LOGGER_DEBUG);
+
+                               foreach ($thread AS $tpost) {
+                                       $threadpost = appnet_createpost($a, $uid, $tpost, $me, $user, $ownid, false, false);
+                                       $item = item_store($threadpost);
+                                       $threadpost["id"] = $item;
+
+                                       logger("appnet_createpost: stored post ".$post["id"]." thread ".$post["thread_id"]." in item ".$item, LOGGER_DEBUG);
+                               }
+                       //}
                }
+               // Don't create accounts of people who just comment something
+               $createuser = false;
+
+               $postarray['object-type'] = ACTIVITY_OBJ_COMMENT;
+       } else {
+               $postarray['thr-parent'] = $postarray['uri'];
+               $postarray['object-type'] = ACTIVITY_OBJ_NOTE;
+       }
+
+       if (($post["user"]["id"] != $ownid) || ($postarray['thr-parent'] == $postarray['uri'])) {
+               $postarray['owner-name'] = $post["user"]["name"];
+               $postarray['owner-link'] = $post["user"]["canonical_url"];
+               $postarray['owner-avatar'] = $post["user"]["avatar_image"]["url"];
+               $postarray['contact-id'] = appnet_fetchcontact($a, $uid, $post["user"], $me, $createuser);
+       } else {
+               $postarray['owner-name'] = $me["name"];
+               $postarray['owner-link'] = $me["url"];
+               $postarray['owner-avatar'] = $me["thumb"];
+               $postarray['contact-id'] = $me["id"];
+       }
+
+       $links = array();
+
+       if (is_array($post["repost_of"])) {
+               $postarray['author-name'] = $post["repost_of"]["user"]["name"];
+               $postarray['author-link'] = $post["repost_of"]["user"]["canonical_url"];
+               $postarray['author-avatar'] = $post["repost_of"]["user"]["avatar_image"]["url"];
+
+               $content = $post["repost_of"];
+       } else {
+               $postarray['author-name'] = $postarray['owner-name'];
+               $postarray['author-link'] = $postarray['owner-link'];
+               $postarray['author-avatar'] = $postarray['owner-avatar'];
+
+               $content = $post;
        }
+
+       $postarray['plink'] = $content["canonical_url"];
+
+       if (is_array($content["entities"])) {
+               $converted = appnet_expand_entities($a, $content["text"], $content["entities"]);
+               $postarray['body'] = $converted["body"];
+               $postarray['tag'] = $converted["tags"];
+       } else
+               $postarray['body'] = $content["text"];
+
+       if (sizeof($content["entities"]["links"]))
+               foreach($content["entities"]["links"] AS $link) {
+                       $url = normalise_link($link["url"]);
+                       $links[$url] = $link["url"];
+               }
+
+       /* if (sizeof($content["annotations"]))
+               foreach($content["annotations"] AS $annotation) {
+                       if ($annotation[type] == "net.app.core.oembed") {
+                               if (isset($annotation["value"]["embeddable_url"])) {
+                                       $url = normalise_link($annotation["value"]["embeddable_url"]);
+                                       if (isset($links[$url]))
+                                               unset($links[$url]);
+                               }
+                       } elseif ($annotation[type] == "com.friendica.post") {
+                               //$links = array();
+                               //if (isset($annotation["value"]["post-title"]))
+                               //      $postarray['title'] = $annotation["value"]["post-title"];
+
+                               //if (isset($annotation["value"]["post-body"]))
+                               //      $postarray['body'] = $annotation["value"]["post-body"];
+
+                               //if (isset($annotation["value"]["post-tag"]))
+                               //      $postarray['tag'] = $annotation["value"]["post-tag"];
+
+                               if (isset($annotation["value"]["author-name"]))
+                                       $postarray['author-name'] = $annotation["value"]["author-name"];
+
+                               if (isset($annotation["value"]["author-link"]))
+                                       $postarray['author-link'] = $annotation["value"]["author-link"];
+
+                               if (isset($annotation["value"]["author-avatar"]))
+                                       $postarray['author-avatar'] = $annotation["value"]["author-avatar"];
+                       }
+
+               } */
+
+       $page_info = "";
+
+       if (is_array($content["annotations"])) {
+               $photo = appnet_expand_annotations($a, $content["annotations"]);
+               if (($photo["large"] != "") && ($photo["url"] != ""))
+                       $page_info = "\n[url=".$photo["url"]."][img]".$photo["large"]."[/img][/url]";
+               elseif ($photo["url"] != "")
+                       $page_info = "\n[img]".$photo["url"]."[/img]";
+
+               if ($photo["url"] != "")
+                       $postarray['object-type'] = ACTIVITY_OBJ_IMAGE;
+
+       } else
+               $photo = array("url" => "", "large" => "");
+
+       if (sizeof($links)) {
+               $link = array_pop($links);
+               $url = str_replace(array('/', '.'), array('\/', '\.'), $link);
+
+               $page_info = add_page_info($link, false, $photo["url"]);
+
+               if (trim($page_info) != "") {
+                       $removedlink = preg_replace("/\[url\=".$url."\](.*?)\[\/url\]/ism", '', $postarray['body']);
+                       if (($removedlink == "") || strstr($postarray['body'], $removedlink))
+                               $postarray['body'] = $removedlink;
+               }
+       }
+
+       $postarray['body'] .= $page_info;
+
+       $postarray['created'] = datetime_convert('UTC','UTC',$post["created_at"]);
+       $postarray['edited'] = datetime_convert('UTC','UTC',$post["created_at"]);
+
+       $postarray['app'] = $post["source"]["name"];
+
+       return($postarray);
+}
+
+function appnet_expand_entities($a, $body, $entities) {
+
+       if (!function_exists('substr_unicode')) {
+               function substr_unicode($str, $s, $l = null) {
+                       return join("", array_slice(
+                               preg_split("//u", $str, -1, PREG_SPLIT_NO_EMPTY), $s, $l));
+               }
+       }
+
+       $tags_arr = array();
+       $replace = array();
+
+       foreach ($entities["mentions"] AS $mention) {
+               $url = "@[url=https://alpha.app.net/".rawurlencode($mention["name"])."]".$mention["name"]."[/url]";
+               $tags_arr["@".$mention["name"]] = $url;
+               $replace[$mention["pos"]] = array("pos"=> $mention["pos"], "len"=> $mention["len"], "replace"=> $url);
+       }
+
+       foreach ($entities["hashtags"] AS $hashtag) {
+               $url = "#[url=".$a->get_baseurl()."/search?tag=".rawurlencode($hashtag["name"])."]".$hashtag["name"]."[/url]";
+               $tags_arr["#".$hashtag["name"]] = $url;
+               $replace[$hashtag["pos"]] = array("pos"=> $hashtag["pos"], "len"=> $hashtag["len"], "replace"=> $url);
+       }
+
+       foreach ($entities["links"] AS $links) {
+               $url = "[url=".$links["url"]."]".$links["text"]."[/url]";
+               if (isset($links["amended_len"]) && ($links["amended_len"] > $links["len"]))
+                       $replace[$links["pos"]] = array("pos"=> $links["pos"], "len"=> $links["amended_len"], "replace"=> $url);
+               else
+                       $replace[$links["pos"]] = array("pos"=> $links["pos"], "len"=> $links["len"], "replace"=> $url);
+       }
+
+
+       if (sizeof($replace)) {
+               krsort($replace);
+               foreach ($replace AS $entity) {
+                       $pre = substr_unicode($body, 0, $entity["pos"]);
+                       $post = substr_unicode($body, $entity["pos"] + $entity["len"]);
+                       //$pre = iconv_substr($body, 0, $entity["pos"], "UTF-8");
+                       //$post = iconv_substr($body, $entity["pos"] + $entity["len"], "UTF-8");
+
+                       $body = $pre.$entity["replace"].$post;
+               }
+       }
+
+       return(array("body" => $body, "tags" => implode($tags_arr, ",")));
+}
+
+function appnet_expand_annotations($a, $annotations) {
+       $photo = array("url" => "", "large" => "");
+       foreach ($annotations AS $annotation) {
+               if (($annotation[type] == "net.app.core.oembed") &&
+                       ($annotation["value"]["type"] == "photo")) {
+                       if ($annotation["value"]["url"] != "")
+                               $photo["url"] = $annotation["value"]["url"];
+
+                       if ($annotation["value"]["thumbnail_large_url"] != "")
+                               $photo["large"] = $annotation["value"]["thumbnail_large_url"];
+
+                       //if (($annotation["value"]["thumbnail_large_url"] != "") && ($annotation["value"]["url"] != ""))
+                       //      $embedded = "\n[url=".$annotation["value"]["url"]."][img]".$annotation["value"]["thumbnail_large_url"]."[/img][/url]";
+                       //elseif ($annotation["value"]["url"] != "")
+                       //      $embedded = "\n[img]".$annotation["value"]["url"]."[/img]";
+               }
+       }
+       return $photo;
+}
+
+function appnet_fetchcontact($a, $uid, $contact, $me, $create_user) {
+
+       update_gcontact(array("url" => $contact["canonical_url"], "generation" => 2,
+                       "network" => NETWORK_APPNET, "photo" => $contact["avatar_image"]["url"],
+                       "name" => $contact["name"], "nick" => $contact["username"],
+                       "about" => $contact["description"]["text"], "hide" => true,
+                       "addr" => $contact["username"]."@app.net"));
+
+       $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `alias` = '%s' LIMIT 1",
+               intval($uid), dbesc("adn::".$contact["id"]));
+
+       if(!count($r) && !$create_user)
+               return($me["id"]);
+
+       if ($contact["canonical_url"] == "")
+               return($me["id"]);
+
+       if (count($r) && ($r[0]["readonly"] || $r[0]["blocked"])) {
+               logger("appnet_fetchcontact: Contact '".$r[0]["nick"]."' is blocked or readonly.", LOGGER_DEBUG);
+               return(-1);
+       }
+
+       if(!count($r)) {
+
+               if ($contact["name"] == "")
+                       $contact["name"] = $contact["username"];
+
+               if ($contact["username"] == "")
+                       $contact["username"] = $contact["name"];
+
+               // create contact record
+               q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
+                                       `name`, `nick`, `photo`, `network`, `rel`, `priority`,
+                                       `about`, `writable`, `blocked`, `readonly`, `pending` )
+                                       VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, 0, 0, 0 ) ",
+                       intval($uid),
+                       dbesc(datetime_convert()),
+                       dbesc($contact["canonical_url"]),
+                       dbesc(normalise_link($contact["canonical_url"])),
+                       dbesc($contact["username"]."@app.net"),
+                       dbesc("adn::".$contact["id"]),
+                       dbesc(''),
+                       dbesc("adn::".$contact["id"]),
+                       dbesc($contact["name"]),
+                       dbesc($contact["username"]),
+                       dbesc($contact["avatar_image"]["url"]),
+                       dbesc(NETWORK_APPNET),
+                       intval(CONTACT_IS_FRIEND),
+                       intval(1),
+                       dbesc($contact["description"]["text"]),
+                       intval(1)
+               );
+
+               $r = q("SELECT * FROM `contact` WHERE `alias` = '%s' AND `uid` = %d LIMIT 1",
+                       dbesc("adn::".$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");
+
+               $photos = import_profile_photo($contact["avatar_image"]["url"],$uid,$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 two weeks as we have no notification of when they change.
+
+               //$update_photo = (($r[0]['avatar-date'] < datetime_convert('','','now -2 days')) ? true : false);
+               $update_photo = ($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("appnet_fetchcontact: Updating contact ".$contact["username"], LOGGER_DEBUG);
+
+                       require_once("Photo.php");
+
+                       $photos = import_profile_photo($contact["avatar_image"]["url"], $uid, $r[0]['id']);
+
+                       q("UPDATE `contact` SET `photo` = '%s',
+                                               `thumb` = '%s',
+                                               `micro` = '%s',
+                                               `name-date` = '%s',
+                                               `uri-date` = '%s',
+                                               `avatar-date` = '%s',
+                                               `url` = '%s',
+                                               `nurl` = '%s',
+                                               `addr` = '%s',
+                                               `name` = '%s',
+                                               `nick` = '%s',
+                                               `about` = '%s'
+                                       WHERE `id` = %d",
+                               dbesc($photos[0]),
+                               dbesc($photos[1]),
+                               dbesc($photos[2]),
+                               dbesc(datetime_convert()),
+                               dbesc(datetime_convert()),
+                               dbesc(datetime_convert()),
+                               dbesc($contact["canonical_url"]),
+                               dbesc(normalise_link($contact["canonical_url"])),
+                               dbesc($contact["username"]."@app.net"),
+                               dbesc($contact["name"]),
+                               dbesc($contact["username"]),
+                               dbesc($contact["description"]["text"]),
+                               intval($r[0]['id'])
+                       );
+               }
+       }
+
+       return($r[0]["id"]);
+}
+
+function appnet_prepare_body(&$a,&$b) {
+        if ($b["item"]["network"] != NETWORK_APPNET)
+                return;
+
+        if ($b["preview"]) {
+                $max_char = 256;
+                require_once("include/plaintext.php");
+                $item = $b["item"];
+                $item["plink"] = $a->get_baseurl()."/display/".$a->user["nickname"]."/".$item["parent"];
+
+                $r = q("SELECT `author-link` FROM item WHERE item.uri = '%s' AND item.uid = %d LIMIT 1",
+                        dbesc($item["thr-parent"]),
+                        intval(local_user()));
+
+                if(count($r)) {
+                        $orig_post = $r[0];
+
+                       $nicknameplain = preg_replace("=https?://alpha.app.net/(.*)=ism", "$1", $orig_post["author-link"]);
+                       $nickname = "@[url=".$orig_post["author-link"]."]".$nicknameplain."[/url]";
+                       $nicknameplain = "@".$nicknameplain;
+
+                       if ((strpos($item["body"], $nickname) === false) && (strpos($item["body"], $nicknameplain) === false))
+                               $item["body"] = $nickname." ".$item["body"];
+                }
+
+
+
+                $msgarr = plaintext($a, $item, $max_char, true);
+               $msg = appnet_create_entities($a, $item, $msgarr);
+
+               require_once("library/markdown.php");
+               $msg = Markdown($msg);
+
+                $b['html'] = $msg;
+        }
+}
+
+function appnet_cron($a,$b) {
+       $last = get_config('appnet','last_poll');
+
+       $poll_interval = intval(get_config('appnet','poll_interval'));
+       if(! $poll_interval)
+               $poll_interval = APPNET_DEFAULT_POLL_INTERVAL;
+
+       if($last) {
+               $next = $last + ($poll_interval * 60);
+               if($next > time()) {
+                       logger('appnet_cron: poll intervall not reached');
+                       return;
+               }
+       }
+       logger('appnet_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);
+
+       $r = q("SELECT * FROM `pconfig` WHERE `cat` = 'appnet' AND `k` = 'import' AND `v` = '1' ORDER BY RAND()");
+       if(count($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 '.$rr['uid'].' will not be imported');
+                                       continue;
+                               }
+                       }
+
+                       logger('appnet_cron: importing timeline from user '.$rr['uid']);
+                       appnet_fetchstream($a, $rr["uid"]);
+               }
+       }
+
+       logger('appnet_cron: cron_end');
+
+       set_config('appnet','last_poll', time());
+}
+
+function appnet_error($msg) {
+        $msg = trim($msg);
+        $pos = strrpos($msg, "\r\n\r\n");
+
+        if (!$pos)
+                return($msg);
+
+        $msg = substr($msg, $pos + 4);
+
+        $error = json_decode($msg);
+
+        if ($error == NULL)
+                return($msg);
+
+       if (isset($error->meta->error_message))
+               return($error->meta->error_message);
+        else
+                return(print_r($error));
 }