475 lines
14 KiB
PHP
475 lines
14 KiB
PHP
<?php
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require_once("bbcode.php");
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require_once("datetime.php");
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/*
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* Twitter-Like API
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*
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*/
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$API = Array();
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function api_date($str){
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//Wed May 23 06:01:13 +0000 2007
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return datetime_convert('UTC', 'UTC', $str, "D M d h:i:s +0000 Y" );
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}
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function api_register_func($path, $func, $auth=false){
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global $API;
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$API[$path] = array('func'=>$func,
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'auth'=>$auth);
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}
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/**
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* Simple HTTP Login
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*/
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function api_login(&$a){
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// workaround for HTTP-auth in CGI mode
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if(x($_SERVER,'REDIRECT_REMOTE_USER')) {
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$userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"],6)) ;
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if(strlen($userpass)) {
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list($name, $password) = explode(':', $userpass);
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$_SERVER['PHP_AUTH_USER'] = $name;
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$_SERVER['PHP_AUTH_PW'] = $password;
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}
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}
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if (!isset($_SERVER['PHP_AUTH_USER'])) {
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logger('API_login: ' . print_r($_SERVER,true), LOGGER_DEBUG);
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header('WWW-Authenticate: Basic realm="Friendika"');
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header('HTTP/1.0 401 Unauthorized');
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die('This api requires login');
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}
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$user = $_SERVER['PHP_AUTH_USER'];
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$encrypted = hash('whirlpool',trim($_SERVER['PHP_AUTH_PW']));
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/**
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* next code from mod/auth.php. needs better solution
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*/
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// process normal login request
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$r = q("SELECT * FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' )
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AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
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dbesc(trim($user)),
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dbesc(trim($user)),
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dbesc($encrypted)
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);
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if(count($r)){
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$record = $r[0];
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} else {
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logger('API_login failure: ' . print_r($_SERVER,true), LOGGER_DEBUG);
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header('WWW-Authenticate: Basic realm="Friendika"');
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header('HTTP/1.0 401 Unauthorized');
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die('This api requires login');
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}
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$_SESSION['uid'] = $record['uid'];
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$_SESSION['theme'] = $record['theme'];
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$_SESSION['authenticated'] = 1;
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$_SESSION['page_flags'] = $record['page-flags'];
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$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $record['nickname'];
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$_SESSION['addr'] = $_SERVER['REMOTE_ADDR'];
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//notice( t("Welcome back ") . $record['username'] . EOL);
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$a->user = $record;
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if(strlen($a->user['timezone'])) {
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date_default_timezone_set($a->user['timezone']);
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$a->timezone = $a->user['timezone'];
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}
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$r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
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intval($_SESSION['uid']));
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if(count($r)) {
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$a->contact = $r[0];
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$a->cid = $r[0]['id'];
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$_SESSION['cid'] = $a->cid;
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}
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q("UPDATE `user` SET `login_date` = '%s' WHERE `uid` = %d LIMIT 1",
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dbesc(datetime_convert()),
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intval($_SESSION['uid'])
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);
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call_hooks('logged_in', $a->user);
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header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
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}
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/**************************
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* MAIN API ENTRY POINT *
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**************************/
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function api_call(&$a){
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GLOBAL $API;
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foreach ($API as $p=>$info){
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if (strpos($a->query_string, $p)===0){
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#unset($_SERVER['PHP_AUTH_USER']);
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if ($info['auth']===true && local_user()===false) {
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api_login($a);
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}
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$type="json";
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if (strpos($a->query_string, ".xml")>0) $type="xml";
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if (strpos($a->query_string, ".json")>0) $type="json";
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if (strpos($a->query_string, ".rss")>0) $type="rss";
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if (strpos($a->query_string, ".atom")>0) $type="atom";
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$r = call_user_func($info['func'], $a, $type);
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if ($r===false) return;
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switch($type){
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case "xml":
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$r = mb_convert_encoding($r, "UTF-8",mb_detect_encoding($r));
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header ("Content-Type: text/xml");
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return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r;
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break;
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case "json":
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header ("Content-Type: application/json");
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return json_encode($r);
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break;
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case "rss":
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header ("Content-Type: application/rss+xml");
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return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r;
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break;
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case "atom":
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#header ("Content-Type: application/atom+xml");
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return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r;
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break;
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}
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//echo "<pre>"; var_dump($r); die();
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}
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}
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return false;
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}
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/**
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* RSS extra info
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*/
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function api_rss_extra(&$a, $arr, $user_info){
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if (is_null($user_info)) $user_info = api_get_user($a);
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$arr['$rss'] = array(
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'alternate' => $user_info['url'],
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'self' => $a->get_baseurl(). "/". $a->query_string,
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'updated' => api_date(null),
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'language' => $user_info['language'],
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'logo' => $a->get_baseurl()."/images/friendika-32.png",
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);
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return $arr;
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}
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/**
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* Returns user info array.
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*/
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function api_get_user(&$a){
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$user = null;
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$extra_query = "";
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if(x($_GET, 'user_id')) {
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$user = intval($_GET['user_id']);
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$extra_query = "AND `contact`.`id` = %d ";
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}
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if(x($_GET, 'screen_name')) {
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$user = dbesc($_GET['screen_name']);
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$extra_query = "AND `contact`.`nick` = '%s' ";
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}
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if ($user===null){
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list($user, $null) = explode(".",$a->argv[3]);
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if(is_numeric($user)){
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$user = intval($user);
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$extra_query = "AND `contact`.`id` = %d ";
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} else {
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$user = dbesc($user);
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$extra_query = "AND `contact`.`nick` = '%s' ";
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}
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}
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if ($user==='') {
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if (local_user()===false) {
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api_login($a); return False;
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} else {
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$user = $_SESSION['uid'];
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$extra_query = "AND `user`.`uid` = %d ";
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}
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}
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// user info
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$uinfo = q("SELECT *, `contact`.`id` as `cid` FROM `user`, `contact`
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WHERE `user`.`uid`=`contact`.`uid` AND `contact`.`self`=1
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$extra_query",
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$user
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);
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if (count($uinfo)==0) {
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return False;
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}
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// count public wall messages
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$r = q("SELECT COUNT(`id`) as `count` FROM `item`
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WHERE `uid` = %d
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AND `type`='wall'
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AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''",
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intval($uinfo[0]['uid'])
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);
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$countitms = $r[0]['count'];
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// count friends
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$r = q("SELECT COUNT(`id`) as `count` FROM `contact`
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WHERE `uid` = %d
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AND `self`=0 AND `blocked`=0",
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intval($uinfo[0]['uid'])
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);
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$countfriends = $r[0]['count'];
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$ret = Array(
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'id' => $uinfo[0]['cid'],
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'name' => $uinfo[0]['username'],
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'screen_name' => $uinfo[0]['nickname'],
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'location' => $uinfo[0]['default-location'],
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'profile_image_url' => $uinfo[0]['micro'],
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'url' => $uinfo[0]['url'],
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'protected' => false, #
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'friends_count' => $countfriends,
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'created_at' => api_date($uinfo[0]['created']),
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'utc_offset' => 0, #XXX: fix me
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'time_zone' => $uinfo[0]['timezone'],
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'geo_enabled' => false,
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'statuses_count' => $countitms, #XXX: fix me
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'lang' => 'en', #XXX: fix me
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'description' => '',
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'followers_count' => $countfriends, #XXX: fix me
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'favourites_count' => 0,
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'contributors_enabled' => false,
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'follow_request_sent' => false,
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'profile_background_color' => 'cfe8f6',
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'profile_text_color' => '000000',
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'profile_link_color' => 'FF8500',
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'profile_sidebar_fill_color' =>'AD0066',
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'profile_sidebar_border_color' => 'AD0066',
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'profile_background_image_url' => '',
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'profile_background_tile' => false,
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'profile_use_background_image' => false,
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'notifications' => false,
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'verified' => true, #XXX: fix me
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'followers' => '', #XXX: fix me
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#'status' => null
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);
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return $ret;
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}
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/**
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* apply xmlify() to all values of array $val, recursively
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*/
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function api_xmlify($val){
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if (is_bool($val)) return $val?"true":"false";
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if (is_array($val)) return array_map('api_xmlify', $val);
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return xmlify($val);
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}
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/**
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* load api $templatename for $type and replace $data array
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*/
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function api_apply_template($templatename, $type, $data){
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switch($type){
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case "rss":
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case "atom":
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case "xml":
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$data = api_xmlify($data);
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$tpl = get_markup_template("api_".$templatename."_".$type.".tpl");
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$ret = replace_macros($tpl, $data);
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break;
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case "json":
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$ret = $data;
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break;
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}
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return $ret;
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}
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/**
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** TWITTER API
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*/
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/**
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* Returns an HTTP 200 OK response code and a representation of the requesting user if authentication was successful;
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* returns a 401 status code and an error message if not.
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* http://developer.twitter.com/doc/get/account/verify_credentials
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*/
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function api_account_verify_credentials(&$a, $type){
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if (local_user()===false) return false;
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$user_info = api_get_user($a);
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return api_apply_template("user", $type, array('$user' => $user_info));
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}
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api_register_func('api/account/verify_credentials','api_account_verify_credentials', true);
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// TODO - media uploads and alternate 'source'
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function api_statuses_update(&$a, $type) {
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if (local_user()===false) return false;
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$user_info = api_get_user($a);
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// convert $_POST array items to the form we use for web posts.
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$_POST['body'] = urldecode($_POST['status']);
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$_POST['parent'] = $_POST['in_reply_to_status_id'];
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if($_POST['lat'] && $_POST['long'])
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$_POST['coord'] = sprintf("%s %s",$_POST['lat'],$_POST['long']);
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$_POST['profile_uid'] = local_user();
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if($_POST['parent'])
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$_POST['type'] = 'net-comment';
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else
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$_POST['type'] = 'wall';
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// set this so that the item_post() function is quiet and doesn't redirect or emit json
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$_POST['api_source'] = true;
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// call out normal post function
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require_once('mod/item.php');
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item_post($a);
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// this should output the last post (the one we just posted).
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return api_users_show($a,$type);
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}
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api_register_func('api/statuses/update','api_statuses_update', true);
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/**
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* Returns extended information of a given user, specified by ID or screen name as per the required id parameter.
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* The author's most recent status will be returned inline.
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* http://developer.twitter.com/doc/get/users/show
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*/
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function api_users_show(&$a, $type){
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$user_info = api_get_user($a);
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// get last public wall message
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$lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `i`.`nick` as `reply_author`
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FROM `item`, `contact`,
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(SELECT `item`.`id`, `item`.`contact-id`, `contact`.`nick` FROM `item`,`contact` WHERE `contact`.`id`=`item`.`contact-id`) as `i`
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WHERE `item`.`contact-id` = %d
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AND `i`.`id` = `item`.`parent`
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AND `contact`.`id`=`item`.`contact-id` AND `contact`.`self`=1
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AND `type`!='activity'
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AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''
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ORDER BY `created` DESC
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LIMIT 1",
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intval($user_info['id'])
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);
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if (count($lastwall)>0){
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$lastwall = $lastwall[0];
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$in_reply_to_status_id = '';
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$in_reply_to_user_id = '';
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$in_reply_to_screen_name = '';
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if ($lastwall['parent']!=$lastwall['id']) {
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$in_reply_to_status_id=$lastwall['parent'];
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$in_reply_to_user_id = $lastwall['reply_uid'];
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$in_reply_to_screen_name = $lastwall['reply_author'];
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}
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$user_info['status'] = array(
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'created_at' => api_date($lastwall['created']),
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'id' => $lastwall['contact-id'],
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'text' => strip_tags(bbcode($lastwall['body'])),
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'source' => 'web',
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'truncated' => false,
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'in_reply_to_status_id' => $in_reply_to_status_id,
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'in_reply_to_user_id' => $in_reply_to_user_id,
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'favorited' => false,
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'in_reply_to_screen_name' => $in_reply_to_screen_name,
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'geo' => '',
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'coordinates' => $lastwall['coord'],
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'place' => $lastwall['location'],
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'contributors' => ''
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);
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}
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return api_apply_template("user", $type, array('$user' => $user_info));
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}
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api_register_func('api/users/show','api_users_show');
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/**
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*
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* http://developer.twitter.com/doc/get/statuses/home_timeline
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*
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* TODO: Optional parameters
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* TODO: Add reply info
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*/
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function api_statuses_home_timeline(&$a, $type){
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if (local_user()===false) return false;
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$user_info = api_get_user($a);
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// get last newtork messages
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$sql_extra = " AND `item`.`parent` IN ( SELECT `parent` FROM `item` WHERE `id` = `parent` ) ";
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$r = q("SELECT `item`.*, `item`.`id` AS `item_id`,
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`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
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`contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
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`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
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FROM `item`, `contact`, `user`
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WHERE `item`.`contact-id` = %d AND `user`.`uid` = `item`.`uid`
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AND `item`.`visible` = 1 AND `item`.`deleted` = 0
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AND `contact`.`id` = `item`.`contact-id`
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AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
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$sql_extra
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ORDER BY `item`.`created` DESC LIMIT %d ,%d ",
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intval($user_info['id']),
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0,20
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);
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$ret = Array();
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foreach($r as $item) {
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$status = array(
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'created_at'=> api_date($item['created']),
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'id' => $item['id'],
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'text' => strip_tags(bbcode($item['body'])),
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'html' => bbcode($item['body']),
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'source' => 'web',
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'url' => ($item['plink']!=''?$item['plink']:$item['author-link']),
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'truncated' => False,
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'in_reply_to_status_id' => ($item['parent']!=$item['id']?$item['parent']:''),
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'in_reply_to_user_id' => '',
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'favorited' => false,
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'in_reply_to_screen_name' => '',
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'geo' => '',
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'coordinates' => $item['coord'],
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'place' => $item['location'],
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'contributors' => '',
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'annotations' => '',
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'entities' => '',
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'user' => $user_info,
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'objecttype' => $item['object-type'],
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'verb' => $item['verb'],
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'self' => $a->get_baseurl()."/api/statuses/show/".$ite['id'].".".$type,
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'edit' => $a->get_baseurl()."/api/statuses/show/".$ite['id'].".".$type,
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);
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$ret[]=$status;
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};
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$data = array('$statuses' => $ret);
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switch($type){
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case "atom":
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case "rss":
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$data = api_rss_extra($a, $data, $user_info);
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}
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return api_apply_template("timeline", $type, $data);
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}
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api_register_func('api/statuses/home_timeline','api_statuses_home_timeline', true);
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api_register_func('api/statuses/friends_timeline','api_statuses_home_timeline', true);
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api_register_func('api/statuses/user_timeline','api_statuses_home_timeline', true);
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# TODO: user_timeline should be profile view
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