<?php require_once("bbcode.php"); require_once("datetime.php"); /* * Twitter-Like API * */ $API = Array(); function api_date($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(&$a){ // workaround for HTTP-auth in CGI mode if(x($_SERVER,'REDIRECT_REMOTE_USER')) { $userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"],6)) ; if(strlen($userpass)) { list($name, $password) = explode(':', $userpass); $_SERVER['PHP_AUTH_USER'] = $name; $_SERVER['PHP_AUTH_PW'] = $password; } } if (!isset($_SERVER['PHP_AUTH_USER'])) { logger('API_login: ' . print_r($_SERVER,true), LOGGER_DEBUG); header('WWW-Authenticate: Basic realm="Friendika"'); header('HTTP/1.0 401 Unauthorized'); die('This api requires login'); } $user = $_SERVER['PHP_AUTH_USER']; $encrypted = hash('whirlpool',trim($_SERVER['PHP_AUTH_PW'])); /** * next code from mod/auth.php. needs better solution */ // 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 = $r[0]; } else { logger('API_login failure: ' . print_r($_SERVER,true), LOGGER_DEBUG); header('WWW-Authenticate: Basic realm="Friendika"'); header('HTTP/1.0 401 Unauthorized'); die('This api requires login'); } $_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="' . $a->user['nickname'] .'"'); } /************************** * MAIN API ENTRY POINT * **************************/ function api_call(&$a){ GLOBAL $API; foreach ($API as $p=>$info){ if (strpos($a->query_string, $p)===0){ #unset($_SERVER['PHP_AUTH_USER']); if ($info['auth']===true && local_user()===false) { api_login($a); } $type="json"; if (strpos($a->query_string, ".xml")>0) $type="xml"; if (strpos($a->query_string, ".json")>0) $type="json"; if (strpos($a->query_string, ".rss")>0) $type="rss"; if (strpos($a->query_string, ".atom")>0) $type="atom"; $r = call_user_func($info['func'], $a, $type); if ($r===false) return; switch($type){ case "xml": $r = mb_convert_encoding($r, "UTF-8",mb_detect_encoding($r)); header ("Content-Type: text/xml"); return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r; break; case "json": header ("Content-Type: application/json"); return json_encode($r); break; case "rss": header ("Content-Type: application/rss+xml"); return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r; break; case "atom": #header ("Content-Type: application/atom+xml"); return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r; break; } //echo "<pre>"; var_dump($r); die(); } } return false; } /** * RSS extra info */ function api_rss_extra(&$a, $arr, $user_info){ if (is_null($user_info)) $user_info = api_get_user($a); $arr['$rss'] = array( 'alternate' => $user_info['url'], 'self' => $a->get_baseurl(). "/". $a->query_string, 'updated' => api_date(null), 'language' => $user_info['language'], 'logo' => $a->get_baseurl()."/images/friendika-32.png", ); return $arr; } /** * Returns user info array. */ function api_get_user(&$a){ $user = null; $extra_query = ""; if(x($_GET, 'user_id')) { $user = intval($_GET['user_id']); $extra_query = "AND `contact`.`id` = %d "; } if(x($_GET, 'screen_name')) { $user = dbesc($_GET['screen_name']); $extra_query = "AND `contact`.`nick` = '%s' "; } if ($user===null){ list($user, $null) = explode(".",$a->argv[3]); if(is_numeric($user)){ $user = intval($user); $extra_query = "AND `contact`.`id` = %d "; } else { $user = dbesc($user); $extra_query = "AND `contact`.`nick` = '%s' "; } } if ($user==='') { if (local_user()===false) { api_login($a); return False; } else { $user = $_SESSION['uid']; $extra_query = "AND `user`.`uid` = %d "; } } // user info $uinfo = q("SELECT *, `contact`.`id` as `cid` 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']; $ret = Array( 'id' => $uinfo[0]['cid'], 'name' => $uinfo[0]['username'], 'screen_name' => $uinfo[0]['nickname'], 'location' => $uinfo[0]['default-location'], 'profile_image_url' => $uinfo[0]['micro'], '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 'description' => '', 'followers_count' => $countfriends, #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, 'verified' => true, #XXX: fix me 'followers' => '', #XXX: fix me #'status' => null ); return $ret; } /** * apply xmlify() to all values of array $val, recursively */ function api_xmlify($val){ if (is_bool($val)) return $val?"true":"false"; if (is_array($val)) return array_map('api_xmlify', $val); return xmlify($val); } /** * load api $templatename for $type and replace $data array */ function api_apply_template($templatename, $type, $data){ switch($type){ case "rss": case "atom": case "xml": $data = api_xmlify($data); $tpl = get_markup_template("api_".$templatename."_".$type.".tpl"); $ret = replace_macros($tpl, $data); break; case "json": $ret = $data; break; } return $ret; } /** ** TWITTER API */ /** * Returns an HTTP 200 OK response code and a representation of the requesting user if authentication was successful; * returns a 401 status code and an error message if not. * http://developer.twitter.com/doc/get/account/verify_credentials */ function api_account_verify_credentials(&$a, $type){ if (local_user()===false) return false; $user_info = api_get_user($a); return api_apply_template("user", $type, array('$user' => $user_info)); } api_register_func('api/account/verify_credentials','api_account_verify_credentials', true); // TODO - media uploads and alternate 'source' function api_statuses_update(&$a, $type) { if (local_user()===false) return false; $user_info = api_get_user($a); // convert $_POST array items to the form we use for web posts. $_POST['body'] = urldecode($_POST['status']); $_POST['parent'] = $_POST['in_reply_to_status_id']; if($_POST['lat'] && $_POST['long']) $_POST['coord'] = sprintf("%s %s",$_POST['lat'],$_POST['long']); $_POST['profile_uid'] = local_user(); if($_POST['parent']) $_POST['type'] = 'net-comment'; else $_POST['type'] = 'wall'; // set this so that the item_post() function is quiet and doesn't redirect or emit json $_POST['api_source'] = true; // call out normal post function require_once('mod/item.php'); item_post($a); // this should output the last post (the one we just posted). return api_status_show($a,$type); } api_register_func('api/statuses/update','api_statuses_update', true); function api_status_show(&$a, $type){ $user_info = api_get_user($a); // get last public wall message $lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `i`.`nick` as `reply_author` FROM `item`, `contact`, (SELECT `item`.`id`, `item`.`contact-id`, `contact`.`nick` FROM `item`,`contact` WHERE `contact`.`id`=`item`.`contact-id`) as `i` WHERE `item`.`contact-id` = %d AND `i`.`id` = `item`.`parent` AND `contact`.`id`=`item`.`contact-id` AND `contact`.`self`=1 AND `type`!='activity' AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`='' ORDER BY `created` DESC LIMIT 1", intval($user_info['id']) ); if (count($lastwall)>0){ $lastwall = $lastwall[0]; $in_reply_to_status_id = ''; $in_reply_to_user_id = ''; $in_reply_to_screen_name = ''; if ($lastwall['parent']!=$lastwall['id']) { $in_reply_to_status_id=$lastwall['parent']; $in_reply_to_user_id = $lastwall['reply_uid']; $in_reply_to_screen_name = $lastwall['reply_author']; } $status_info = array( 'created_at' => api_date($lastwall['created']), 'id' => $lastwall['contact-id'], 'text' => strip_tags(bbcode($lastwall['body'])), 'source' => 'web', 'truncated' => false, 'in_reply_to_status_id' => $in_reply_to_status_id, 'in_reply_to_user_id' => $in_reply_to_user_id, 'favorited' => false, 'in_reply_to_screen_name' => $in_reply_to_screen_name, 'geo' => '', 'coordinates' => $lastwall['coord'], 'place' => $lastwall['location'], 'contributors' => '' ); $status_info['user'] = $user_info; } return api_apply_template("status", $type, array('$status' => $status_info)); } /** * Returns extended information of a given user, specified by ID or screen name as per the required id parameter. * The author's most recent status will be returned inline. * http://developer.twitter.com/doc/get/users/show */ function api_users_show(&$a, $type){ $user_info = api_get_user($a); // get last public wall message $lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `i`.`nick` as `reply_author` FROM `item`, `contact`, (SELECT `item`.`id`, `item`.`contact-id`, `contact`.`nick` FROM `item`,`contact` WHERE `contact`.`id`=`item`.`contact-id`) as `i` WHERE `item`.`contact-id` = %d AND `i`.`id` = `item`.`parent` AND `contact`.`id`=`item`.`contact-id` AND `contact`.`self`=1 AND `type`!='activity' AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`='' ORDER BY `created` DESC LIMIT 1", intval($user_info['id']) ); if (count($lastwall)>0){ $lastwall = $lastwall[0]; $in_reply_to_status_id = ''; $in_reply_to_user_id = ''; $in_reply_to_screen_name = ''; if ($lastwall['parent']!=$lastwall['id']) { $in_reply_to_status_id=$lastwall['parent']; $in_reply_to_user_id = $lastwall['reply_uid']; $in_reply_to_screen_name = $lastwall['reply_author']; } $user_info['status'] = array( 'created_at' => api_date($lastwall['created']), 'id' => $lastwall['contact-id'], 'text' => strip_tags(bbcode($lastwall['body'])), 'source' => 'web', 'truncated' => false, 'in_reply_to_status_id' => $in_reply_to_status_id, 'in_reply_to_user_id' => $in_reply_to_user_id, 'favorited' => false, 'in_reply_to_screen_name' => $in_reply_to_screen_name, 'geo' => '', 'coordinates' => $lastwall['coord'], 'place' => $lastwall['location'], 'contributors' => '' ); } return api_apply_template("user", $type, array('$user' => $user_info)); } api_register_func('api/users/show','api_users_show'); /** * * http://developer.twitter.com/doc/get/statuses/home_timeline * * TODO: Optional parameters * TODO: Add reply info */ function api_statuses_home_timeline(&$a, $type){ if (local_user()===false) return false; $user_info = api_get_user($a); // 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`.`contact-id` = %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 $sql_extra ORDER BY `item`.`created` DESC LIMIT %d ,%d ", intval($user_info['id']), 0,20 ); $ret = Array(); foreach($r as $item) { $status = array( 'created_at'=> api_date($item['created']), 'published' => datetime_convert('UTC','UTC',$item['created'],ATOM_TIME), 'updated' => datetime_convert('UTC','UTC',$item['edited'],ATOM_TIME), 'id' => $item['id'], 'text' => strip_tags(bbcode($item['body'])), 'html' => bbcode($item['body']), 'source' => 'web', 'url' => ($item['plink']!=''?$item['plink']:$item['author-link']), 'truncated' => False, 'in_reply_to_status_id' => ($item['parent']!=$item['id']?$item['parent']:''), '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, 'objecttype' => $item['object-type'], 'verb' => $item['verb'], 'self' => $a->get_baseurl()."/api/statuses/show/".$ite['id'].".".$type, 'edit' => $a->get_baseurl()."/api/statuses/show/".$ite['id'].".".$type, ); $ret[]=$status; }; $data = array('$statuses' => $ret); switch($type){ case "atom": case "rss": $data = api_rss_extra($a, $data, $user_info); } return api_apply_template("timeline", $type, $data); } api_register_func('api/statuses/home_timeline','api_statuses_home_timeline', true); api_register_func('api/statuses/friends_timeline','api_statuses_home_timeline', true); api_register_func('api/statuses/user_timeline','api_statuses_home_timeline', true); # TODO: user_timeline should be profile view