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friendica
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First attemp of api

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Fabio Comuni 11 years ago
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  1. 389
      include/api.php
  2. 11
      mod/api.php

389
include/api.php
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<?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);

11
mod/api.php
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<?php
require_once('include/api.php');
function api_content(&$a) {
echo api_call($a);
killme();
}
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