First attemp of api

1 files changed, 389 insertions, 0 deletions

diff --git a/include/api.php b/include/api.php
new file mode 100644
index 000000000..dadd33d45
--- /dev/null
+++ b/include/api.php
@@ -0,0 +1,389 @@
+<?php
+	require_once("bbcode.php");
+	require_once("datetime.php");
+	
+	/* 
+	 * Twitter-Like API
+	 *  
+	 */
+
+	$API = Array();
+	 
+	class XMLSerializer {
+	
+	    // functions adopted from http://www.sean-barton.co.uk/2009/03/turning-an-array-or-object-into-xml-using-php/
+	
+	    public static function generateValidXmlFromObj(stdClass $obj, $node_block='nodes', $node_name='node') {
+	        $arr = get_object_vars($obj);
+	        return self::generateValidXmlFromArray($arr, $node_block, $node_name);
+	    }
+	
+	    public static function generateValidXmlFromArray($array, $node_block='nodes', $node_name='node') {
+			$attrs="";
+			if ($array instanceof Container){
+				$node_block=$array->name;
+				foreach($array->attrs as $n=>$v){
+					$attrs .= " $n='$v'";
+				}
+			}
+	
+	
+	        $xml = '<?xml version="1.0" encoding="UTF-8" ?>';
+	
+	        $xml .= '<' . $node_block . $attrs. '>';
+	        $xml .= self::generateXmlFromArray($array, $node_name);
+	        $xml .= '</' . $node_block . '>';
+	
+	        return $xml;
+	    }
+	
+	    private static function generateXmlFromArray($array, $node_name) {
+	        $xml = '';
+				
+	        if (is_array($array) || is_object($array)) {
+	            foreach ($array as $key=>$value) {
+	            	$attrs="";
+					if ($value instanceof Container){
+						$node_name=$value->name;
+						foreach($value->attrs as $n=>$v){
+							$attrs .= " $n='$v'";
+						}
+					}		            	
+	                if (is_numeric($key)) {
+	                    $key = $node_name;
+	                }
+	
+	
+	                $xml .= '<' . $key . $attrs.'>' . self::generateXmlFromArray($value, $node_name) . '</' . $key . '>';
+	            }
+	        } else {
+	        	if (is_bool($array)) $array = ($array===true?"true":"false");
+	            $xml = htmlspecialchars($array, ENT_QUOTES);
+	        }
+	
+	        return $xml;
+	    }
+	
+	}
+	
+	// this is used when json and xml are not translatable to arrays
+	// like [{text:'text'},{text:'text2'}]
+	//	and	<statuses type='array'><status><text>text</text></status><status><text>text2</text></status></statuses>
+	class Container extends ArrayObject{
+		public $name;
+		public $attrs=Array();
+		function __construct($name){
+			$this->name = $name;
+			$args = func_get_args();
+			unset($args[0]);
+			call_user_func_array(array(parent,'__construct'), $args);
+		}
+	}
+	
+	function api_date($str){
+		//Wed May 23 06:01:13 +0000 2007
+		return datetime_convert('UTC', 'UTC', $str, "D M d h:i:s +0000 Y" );
+	}
+	 
+	
+	function api_register_func($path, $func, $auth=false){
+		global $API;
+		$API[$path] = array('func'=>$func,
+							'auth'=>auth);
+	}
+	
+	/**
+	 * Simple HTTP Login
+	 */
+	function api_login(&$a){
+		if (!isset($_SERVER['PHP_AUTH_USER'])) {
+		    header('WWW-Authenticate: Basic realm="Friendika"');
+		    header('HTTP/1.0 401 Unauthorized');
+		    die('This api require login');
+		}
+		
+		$user = $_SERVER['PHP_AUTH_USER'];
+		$encrypted = hash('whirlpool',trim($_SERVER['PHP_AUTH_PW']));
+    		
+		
+			// da auth.php
+		
+		// process normal login request
+
+		$r = q("SELECT * FROM `user` WHERE ( `email` = '%s' OR `nickname` = '%s' ) 
+			AND `password` = '%s' AND `blocked` = 0 AND `verified` = 1 LIMIT 1",
+			dbesc(trim($user)),
+			dbesc(trim($user)),
+			dbesc($encrypted)
+		);
+		if(count($r))
+			$record = $r[0];
+		$_SESSION['uid'] = $record['uid'];
+		$_SESSION['theme'] = $record['theme'];
+		$_SESSION['authenticated'] = 1;
+		$_SESSION['page_flags'] = $record['page-flags'];
+		$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $record['nickname'];
+		$_SESSION['addr'] = $_SERVER['REMOTE_ADDR'];
+
+		notice( t("Welcome back ") . $record['username'] . EOL);
+		$a->user = $record;
+
+		if(strlen($a->user['timezone'])) {
+			date_default_timezone_set($a->user['timezone']);
+			$a->timezone = $a->user['timezone'];
+		}
+
+		$r = q("SELECT * FROM `contact` WHERE `uid` = %s AND `self` = 1 LIMIT 1",
+			intval($_SESSION['uid']));
+		if(count($r)) {
+			$a->contact = $r[0];
+			$a->cid = $r[0]['id'];
+			$_SESSION['cid'] = $a->cid;
+		}
+		q("UPDATE `user` SET `login_date` = '%s' WHERE `uid` = %d LIMIT 1",
+			dbesc(datetime_convert()),
+			intval($_SESSION['uid'])
+		);
+
+		call_hooks('logged_in', $a->user);
+
+		header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
+	}
+	
+	function api_call(&$a){
+		GLOBAL $API;
+		foreach ($API as $p=>$info){
+			if (strpos($a->query_string, $p)===0){
+				if ($info['auth']===true) api_login($a);
+				
+				$r = call_user_func($info['func'], $a);
+				if ($r===false) return;
+				
+				if ($r instanceof Container){
+					$name=NULL; $values=$r;
+				} else {						
+					foreach($r as $name=>$values){}
+				}
+				
+				// return xml
+				if (strpos($a->query_string, ".xml")>0){
+					return XMLSerializer::generateValidXmlFromArray($values, $name);
+				}
+				// return json
+				if (strpos($a->query_string, ".json")>0){
+					if ($values instanceof Container) $values= iterator_to_array($values);
+					return json_encode($values);
+				}
+				//echo "<pre>"; var_dump($r); die();
+			}
+		}
+		return false;
+	}
+	
+		
+	/**
+	 * Returns extended information of a given user, specified by ID or screen name as per the required id parameter.
+	 * The author's most recent status will be returned inline.
+	 * http://developer.twitter.com/doc/get/users/show
+	 */
+	function api_users_show(&$a){
+		
+		$user = null;
+		$extra_query = "";
+		if(x($_GET, 'user_id')) {
+			$user = intval($_GET['user_id']);	
+			$extra_query = "AND `user`.`uid` = %d ";
+		}
+		if(x($_GET, 'screen_name')) {
+			$user = dbesc($_GET['screen_name']);	
+			$extra_query = "AND `user`.`nickname` = '%s' ";
+		}
+		
+		if ($user===null){
+			list($user, $null) = explode(".",$a->argv[3]);
+			if(is_numeric($user)){
+				$user = intval($user);
+				$extra_query = "AND `user`.`uid` = %d ";
+			} else {
+				$user = dbesc($user);
+				$extra_query = "AND `user`.`nickname` = '%s' ";
+			}
+		}
+		
+		if ($user==='') {
+			return False;
+		}
+		
+
+		// user info		
+		$uinfo = q("SELECT * FROM `user`, `contact`
+				WHERE `user`.`uid`=`contact`.`uid` AND `contact`.`self`=1
+				$extra_query",
+				$user
+		);
+		if (count($uinfo)==0) {
+			return False;
+		}
+		
+		// count public wall messages
+		$r = q("SELECT COUNT(`id`) as `count` FROM `item`
+				WHERE  `uid` = %d
+				AND `type`='wall' 
+				AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''",
+				intval($uinfo[0]['uid'])
+		);
+		$countitms = $r[0]['count'];
+		
+		// count friends
+		$r = q("SELECT COUNT(`id`) as `count` FROM `contact`
+				WHERE  `uid` = %d
+				AND `self`=0 AND `blocked`=0", 
+				intval($uinfo[0]['uid'])
+		);
+		$countfriends = $r[0]['count'];
+		
+		// get last public wall message
+		$lastwall = q("SELECT * FROM `item`
+				WHERE  `uid` = %d
+				AND `type`='wall' 
+				AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''
+				ORDER BY `created` DESC LIMIT 1",
+				intval($uinfo[0]['uid'])
+		);
+	
+		//echo "<pre>"; var_dump($lastwall); die();
+		
+		$ret = Array(
+			'user' => Array(
+				'id' => $uinfo[0]['uid'],
+				'name' => $uinfo[0]['username'],
+				'screen_name' => $uinfo[0]['nickname'],
+				'location' => $uinfo[0]['default-location'],
+				'profile_image_url' => $uinfo[0]['photo'],
+				'url' => $uinfo[0]['url'],
+				'protected' => false,	#
+				'friends_count' => $countfriends,
+				'created_at' => api_date($uinfo[0]['created']),
+				'utc_offset' => 0, #XXX: fix me
+				'time_zone' => $uinfo[0]['timezone'],
+				'geo_enabled' => false,
+				'statuses_count' => $countitms, #XXX: fix me 
+  				'lang' => 'en', #XXX: fix me
+  				'status' => array(
+  					'created_at' => api_date($lastwall[0]['created']),
+  					'id' => $lastwall[0]['id'],
+  					'text' => bbcode($lastwall[0]['body']),
+  					'source' => 'web',
+  					'truncated' => false,
+  					'in_reply_to_status_id' => '',
+  					'in_reply_to_user_id' => '',
+  					'favorited' => false,
+  					'in_reply_to_screen_name' => '',
+  					'geo' => '',
+    				'coordinates' => $lastwall[0]['coord'],
+    				'place' => $lastwall[0]['location'],
+    				'contributors' => ''					
+  				)
+				
+			)
+		);
+		
+		return $ret;
+		
+	}
+	api_register_func('api/users/show','api_users_show');
+	
+	/**
+	 * 
+	 * http://developer.twitter.com/doc/get/statuses/home_timeline
+	 */
+	function api_statuses_home_timeline(&$a){
+		if (local_user()===false) return false;
+		
+		// count public wall messages
+		$r = q("SELECT COUNT(`id`) as `count` FROM `item`
+				WHERE  `uid` = %d
+				AND `type`='wall' 
+				AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''",
+				intval($uinfo[0]['uid'])
+		);
+		$countitms = $r[0]['count'];
+		
+		// get last newtork messages
+		$sql_extra = " AND `item`.`parent` IN ( SELECT `parent` FROM `item` WHERE `id` = `parent` ) ";
+		
+		$r = 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
+			$sql_extra
+			ORDER BY `item`.`created` DESC LIMIT %d ,%d ",
+			intval($_SESSION['uid']),
+			intval($a->pager['start']),
+			intval($a->pager['itemspage'])
+		);
+		$ret = new Container("statuses");
+		$ret->attrs['type']='array';
+
+		#foreach($r as $item) {
+		{
+			$item = $r[0];
+			$status = new Container('status', array(
+				'created_at'=> api_date($item['created']),
+				'id'		=> $item['id'],
+				'text'		=> bbcode($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' => Array(
+					'id' => $item['uid'],
+					'name' => $item['username'],
+					'screen_name' => $item['nickname'],
+					'location' => $item['default-location'],
+					'description' => '',
+					'profile_image_url' => $item['photo'],
+					'url' => $item['url'],
+					'protected' => false,	#
+					'followers_count' => $countfriends, #XXX: fix me
+					'friends_count' => $countfriends,
+					'created_at' => api_date($item['created']),
+					'utc_offset' => 0, #XXX: fix me
+					'time_zone' => $item['timezone'],
+					'geo_enabled' => false,
+					'statuses_count' => $countitms, #XXX: fix me 
+	  				'lang' => 'en', #XXX: fix me
+	  				'favourites_count' => 0,
+	  				'contributors_enabled' => false,
+	  				'follow_request_sent' => false,
+	  				'profile_background_color' => 'cfe8f6',
+      				'profile_text_color' => '000000',
+      				'profile_link_color' => 'FF8500',
+ 					'profile_sidebar_fill_color' =>'AD0066',
+					'profile_sidebar_border_color' => 'AD0066',
+	  				'profile_background_image_url' => '',
+	  				'profile_background_tile' => false,
+	  				'profile_use_background_image' => false,
+	  				'notifications' => false,	  				
+				)					
+			
+			));
+			$ret[]=$status;
+		};
+		
+		return $ret;
+	}
+	api_register_func('api/statuses/home_timeline','api_statuses_home_timeline', true);