457 lines
		
	
	
		
			No EOL
		
	
	
		
			13 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			457 lines
		
	
	
		
			No EOL
		
	
	
		
			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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						|
		
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		// get last public wall message
 | 
						|
		$lastwall = q("SELECT `item`.*, `item`.`id` AS `item_id`, 
 | 
						|
			`contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
 | 
						|
			`contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
 | 
						|
			`contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
 | 
						|
			FROM `item`, `contact`, `user`
 | 
						|
			WHERE `item`.`uid` = %d AND `user`.`uid` = `item`.`uid` 
 | 
						|
			AND `item`.`visible` = 1 AND `item`.`deleted` = 0
 | 
						|
			AND `contact`.`id` = `item`.`contact-id`
 | 
						|
			AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 | 
						|
			
 | 
						|
			AND `item`.`type`='wall' 
 | 
						|
			AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''
 | 
						|
			
 | 
						|
			ORDER BY `item`.`created` DESC LIMIT %d ,%d ",
 | 
						|
			intval($user_info['id']),
 | 
						|
			0, 20
 | 
						|
		);
 | 
						|
		
 | 
						|
		
 | 
						|
		$ret = new Container("statuses");
 | 
						|
		$ret->attrs['type']='array';
 | 
						|
		
 | 
						|
		foreach($lastwall as $item) {
 | 
						|
			$status = new Container('status', array(
 | 
						|
				'created_at'=> api_date($item['created']),
 | 
						|
				'id'		=> $item['id'],
 | 
						|
				'text'		=> strip_tags(bbcode($item['body'])),
 | 
						|
				'source'	=> 'web', 	#XXX: Fix me!
 | 
						|
				'truncated' => False,
 | 
						|
				'in_reply_to_status_id' => '',
 | 
						|
				'in_reply_to_user_id' => '',
 | 
						|
				'favorited' => false,
 | 
						|
				'in_reply_to_screen_name' => '',
 | 
						|
				'geo' => '',
 | 
						|
				'coordinates' => $item['coord'],
 | 
						|
				'place' => $item['location'],
 | 
						|
				'contributors' => '',
 | 
						|
				'annotations'  => '',
 | 
						|
				'entities'  => '',
 | 
						|
				'user' => $user_info
 | 
						|
			));
 | 
						|
			$ret[]=$status;
 | 
						|
		};
 | 
						|
		
 | 
						|
		return $ret;
 | 
						|
	}
 | 
						|
	api_register_func('api/statuses/user_timeline','api_statuses_user_timeline', true);
 | 
						|
	
 |