457 lines
13 KiB
PHP
457 lines
13 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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class XMLSerializer {
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// functions adopted from http://www.sean-barton.co.uk/2009/03/turning-an-array-or-object-into-xml-using-php/
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public static function generateValidXmlFromObj(stdClass $obj, $node_block='nodes', $node_name='node') {
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$arr = get_object_vars($obj);
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return self::generateValidXmlFromArray($arr, $node_block, $node_name);
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}
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public static function generateValidXmlFromArray($array, $node_block='nodes', $node_name='node') {
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$attrs="";
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if ($array instanceof Container){
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$node_block=$array->name;
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foreach($array->attrs as $n=>$v){
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$attrs .= " $n='$v'";
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}
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}
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$xml = '<?xml version="1.0" encoding="UTF-8" ?>';
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$xml .= '<' . $node_block . $attrs. '>';
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$xml .= self::generateXmlFromArray($array, $node_name);
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$xml .= '</' . $node_block . '>';
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return $xml;
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}
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private static function generateXmlFromArray($array, $node_name) {
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$xml = '';
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if (is_array($array) || is_object($array)) {
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foreach ($array as $key=>$value) {
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$attrs="";
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if ($value instanceof Container){
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$node_name=$value->name;
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foreach($value->attrs as $n=>$v){
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$attrs .= " $n='$v'";
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}
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}
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if (is_numeric($key)) {
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$key = $node_name;
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}
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$xml .= '<' . $key . $attrs.'>' . self::generateXmlFromArray($value, $node_name) . '</' . $key . '>';
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}
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} else {
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if (is_bool($array)) $array = ($array===true?"true":"false");
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$xml = htmlspecialchars($array, ENT_QUOTES);
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}
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return $xml;
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}
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}
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// this is used when json and xml are not translatable to arrays
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// like [{text:'text'},{text:'text2'}]
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// and <statuses type='array'><status><text>text</text></status><status><text>text2</text></status></statuses>
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class Container extends ArrayObject{
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public $name;
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public $attrs=Array();
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function __construct($name){
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$this->name = $name;
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$args = func_get_args();
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unset($args[0]);
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call_user_func_array(array(parent,'__construct'), $args);
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}
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}
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function api_date($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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if (!isset($_SERVER['PHP_AUTH_USER'])) {
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header('WWW-Authenticate: Basic realm="Friendika"');
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header('HTTP/1.0 401 Unauthorized');
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die('This api require login');
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}
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$user = $_SERVER['PHP_AUTH_USER'];
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$encrypted = hash('whirlpool',trim($_SERVER['PHP_AUTH_PW']));
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// da auth.php
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// process normal login request
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$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 = $r[0];
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$_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="' . $a->user['nickname'] .'"');
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}
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function api_call(&$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, $p)===0){
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if ($info['auth']===true) api_login($a);
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$r = call_user_func($info['func'], $a);
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if ($r===false) return;
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if ($r instanceof Container){
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$name=NULL; $values=$r;
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} else {
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foreach($r as $name=>$values){}
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}
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// return xml
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if (strpos($a->query_string, ".xml")>0){
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header ("Content-Type: text/xml");
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return XMLSerializer::generateValidXmlFromArray($values, $name);
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}
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// return json
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if (strpos($a->query_string, ".json")>0){
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header ("Content-Type: application/json");
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if ($values instanceof Container) $values= iterator_to_array($values);
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return json_encode($values);
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}
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//echo "<pre>"; var_dump($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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* 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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$extra_query = "AND `user`.`uid` = %d ";
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}
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if(x($_GET, 'screen_name')) {
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$user = dbesc($_GET['screen_name']);
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$extra_query = "AND `user`.`nickname` = '%s' ";
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}
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if ($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 `user`.`uid` = %d ";
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} else {
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$user = dbesc($user);
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$extra_query = "AND `user`.`nickname` = '%s' ";
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}
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}
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if ($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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$uinfo = q("SELECT * FROM `user`, `contact`
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WHERE `user`.`uid`=`contact`.`uid` AND `contact`.`self`=1
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$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]['uid'],
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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]['photo'],
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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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'lang' => 'en', #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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);
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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){
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if (local_user()===false) return false;
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$user_info = api_get_user($a);
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$ret = new Container("user", $user_info);
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return $ret;
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}
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api_register_func('api/account/verify_credentials','api_account_verify_credentials', true);
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/**
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* Returns extended information of a given user, specified by ID or screen name as per the required id parameter.
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* The author's most recent status will be returned inline.
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* http://developer.twitter.com/doc/get/users/show
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*/
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function api_users_show(&$a){
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$user_info = api_get_user($a);
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// get last public wall message
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$lastwall = q("SELECT * FROM `item`
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WHERE `uid` = %d
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AND `type`='wall'
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AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''
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ORDER BY `created` DESC LIMIT 1",
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intval($user_info['uid'])
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);
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//echo "<pre>"; var_dump($lastwall); die();
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$user_info['status'] = array(
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'created_at' => api_date($lastwall[0]['created']),
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'id' => $lastwall[0]['id'],
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'text' => bbcode($lastwall[0]['body']),
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'source' => 'web',
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'truncated' => false,
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'in_reply_to_status_id' => '',
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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' => $lastwall[0]['coord'],
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'place' => $lastwall[0]['location'],
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'contributors' => ''
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);
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$ret = Array('user' => $user_info);
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return $ret;
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}
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api_register_func('api/users/show','api_users_show');
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/**
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*
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* http://developer.twitter.com/doc/get/statuses/home_timeline
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*/
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function api_statuses_home_timeline(&$a){
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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`.`uid` = %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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$ret = new Container("statuses");
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$ret->attrs['type']='array';
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foreach($r as $item) {
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$status = new Container('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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'source' => 'web', #XXX: Fix me!
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'truncated' => False,
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'in_reply_to_status_id' => ($item['parent']!=$item['id']?$item['id']:''),
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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' => $user_info
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));
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$ret[]=$status;
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};
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return $ret;
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}
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api_register_func('api/statuses/home_timeline','api_statuses_home_timeline', true);
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/*
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* http://developer.twitter.com/doc/get/statuses/user_timeline
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*/
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function api_statuses_user_timeline(&$a){
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$user_info = api_get_user($a);
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// get last public wall message
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$lastwall = q("SELECT `item`.*, `item`.`id` AS `item_id`,
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`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
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`contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
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`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
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FROM `item`, `contact`, `user`
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WHERE `item`.`uid` = %d AND `user`.`uid` = `item`.`uid`
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AND `item`.`visible` = 1 AND `item`.`deleted` = 0
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AND `contact`.`id` = `item`.`contact-id`
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AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
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AND `item`.`type`='wall'
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AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''
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ORDER BY `item`.`created` DESC LIMIT %d ,%d ",
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intval($user_info['id']),
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0, 20
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);
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$ret = new Container("statuses");
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$ret->attrs['type']='array';
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foreach($lastwall as $item) {
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$status = new Container('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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'source' => 'web', #XXX: Fix me!
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'truncated' => False,
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'in_reply_to_status_id' => '',
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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' => $user_info
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));
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$ret[]=$status;
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};
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return $ret;
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}
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api_register_func('api/statuses/user_timeline','api_statuses_user_timeline', true);
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