255 lines
8.7 KiB
PHP
255 lines
8.7 KiB
PHP
<?php
|
|
/*
|
|
* StatusNet - the distributed open-source microblogging tool
|
|
* Copyright (C) 2008, 2009, StatusNet, Inc.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
|
|
|
|
class ApiAction extends Action
|
|
{
|
|
|
|
var $user;
|
|
var $content_type;
|
|
var $api_arg;
|
|
var $api_method;
|
|
var $api_action;
|
|
|
|
function handle($args)
|
|
{
|
|
parent::handle($args);
|
|
|
|
$this->api_action = $this->arg('apiaction');
|
|
$method = $this->arg('method');
|
|
$argument = $this->arg('argument');
|
|
|
|
if (isset($argument)) {
|
|
$cmdext = explode('.', $argument);
|
|
$this->api_arg = $cmdext[0];
|
|
$this->api_method = $method;
|
|
$this->content_type = strtolower($cmdext[1]);
|
|
} else {
|
|
|
|
# Requested format / content-type will be an extension on the method
|
|
$cmdext = explode('.', $method);
|
|
$this->api_method = $cmdext[0];
|
|
$this->content_type = strtolower($cmdext[1]);
|
|
}
|
|
|
|
if ($this->requires_auth()) {
|
|
if (!isset($_SERVER['PHP_AUTH_USER'])) {
|
|
|
|
# This header makes basic auth go
|
|
header('WWW-Authenticate: Basic realm="StatusNet API"');
|
|
|
|
# If the user hits cancel -- bam!
|
|
$this->show_basic_auth_error();
|
|
} else {
|
|
$nickname = $_SERVER['PHP_AUTH_USER'];
|
|
$password = $_SERVER['PHP_AUTH_PW'];
|
|
$user = common_check_user($nickname, $password);
|
|
|
|
if ($user) {
|
|
$this->user = $user;
|
|
$this->process_command();
|
|
} else {
|
|
# basic authentication failed
|
|
list($proxy, $ip) = common_client_ip();
|
|
|
|
common_log(LOG_WARNING, "Failed API auth attempt, nickname = $nickname, proxy = $proxy, ip = $ip.");
|
|
$this->show_basic_auth_error();
|
|
}
|
|
}
|
|
} else {
|
|
|
|
// Caller might give us a username even if not required
|
|
if (isset($_SERVER['PHP_AUTH_USER'])) {
|
|
$user = User::staticGet('nickname', $_SERVER['PHP_AUTH_USER']);
|
|
if ($user) {
|
|
$this->user = $user;
|
|
}
|
|
# Twitter doesn't throw an error if the user isn't found
|
|
}
|
|
|
|
$this->process_command();
|
|
}
|
|
}
|
|
|
|
function process_command()
|
|
{
|
|
$action = "twitapi$this->api_action";
|
|
$actionfile = INSTALLDIR."/actions/$action.php";
|
|
|
|
if (file_exists($actionfile)) {
|
|
require_once($actionfile);
|
|
$action_class = ucfirst($action)."Action";
|
|
$action_obj = new $action_class();
|
|
|
|
if (!$action_obj->prepare($this->args)) {
|
|
return;
|
|
}
|
|
|
|
if (method_exists($action_obj, $this->api_method)) {
|
|
$apidata = array( 'content-type' => $this->content_type,
|
|
'api_method' => $this->api_method,
|
|
'api_arg' => $this->api_arg,
|
|
'user' => $this->user);
|
|
|
|
call_user_func(array($action_obj, $this->api_method), $_REQUEST, $apidata);
|
|
} else {
|
|
$this->clientError("API method not found!", $code=404);
|
|
}
|
|
} else {
|
|
$this->clientError("API method not found!", $code=404);
|
|
}
|
|
}
|
|
|
|
// Whitelist of API methods that don't need authentication
|
|
function requires_auth()
|
|
{
|
|
static $noauth = array( 'statuses/public_timeline',
|
|
'statuses/show',
|
|
'users/show',
|
|
'help/test',
|
|
'help/downtime_schedule',
|
|
'statusnet/version',
|
|
'statusnet/config',
|
|
'statusnet/wadl',
|
|
'tags/timeline',
|
|
'oembed/oembed',
|
|
'groups/show',
|
|
'groups/timeline',
|
|
'groups/list_all',
|
|
'groups/timeline');
|
|
|
|
static $bareauth = array('statuses/user_timeline',
|
|
'statuses/friends_timeline',
|
|
'statuses/friends',
|
|
'statuses/replies',
|
|
'statuses/mentions',
|
|
'statuses/followers',
|
|
'favorites/favorites',
|
|
'friendships/show',
|
|
'groups/list_groups');
|
|
|
|
$fullname = "$this->api_action/$this->api_method";
|
|
|
|
// If the site is "private", all API methods except statusnet/config
|
|
// need authentication
|
|
|
|
if (common_config('site', 'private')) {
|
|
return $fullname != 'statusnet/config' || false;
|
|
}
|
|
|
|
// bareauth: only needs auth if without an argument or query param specifying user
|
|
|
|
if (in_array($fullname, $bareauth)) {
|
|
|
|
// Special case: friendships/show only needs auth if source_id or
|
|
// source_screen_name is not specified as a param
|
|
|
|
if ($fullname == 'friendships/show') {
|
|
|
|
$source_id = $this->arg('source_id');
|
|
$source_screen_name = $this->arg('source_screen_name');
|
|
|
|
if (empty($source_id) && empty($source_screen_name)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
// if all of these are empty, auth is required
|
|
|
|
$id = $this->arg('id');
|
|
$user_id = $this->arg('user_id');
|
|
$screen_name = $this->arg('screen_name');
|
|
|
|
if (empty($this->api_arg) &&
|
|
empty($id) &&
|
|
empty($user_id) &&
|
|
empty($screen_name)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
} else if (in_array($fullname, $noauth)) {
|
|
|
|
// noauth: never needs auth
|
|
|
|
return false;
|
|
} else {
|
|
|
|
// everybody else needs auth
|
|
|
|
return true;
|
|
}
|
|
}
|
|
|
|
function show_basic_auth_error()
|
|
{
|
|
header('HTTP/1.1 401 Unauthorized');
|
|
$msg = 'Could not authenticate you.';
|
|
|
|
if ($this->content_type == 'xml') {
|
|
header('Content-Type: application/xml; charset=utf-8');
|
|
$this->startXML();
|
|
$this->elementStart('hash');
|
|
$this->element('error', null, $msg);
|
|
$this->element('request', null, $_SERVER['REQUEST_URI']);
|
|
$this->elementEnd('hash');
|
|
$this->endXML();
|
|
} else if ($this->content_type == 'json') {
|
|
header('Content-Type: application/json; charset=utf-8');
|
|
$error_array = array('error' => $msg, 'request' => $_SERVER['REQUEST_URI']);
|
|
print(json_encode($error_array));
|
|
} else {
|
|
header('Content-type: text/plain');
|
|
print "$msg\n";
|
|
}
|
|
}
|
|
|
|
function isReadOnly($args)
|
|
{
|
|
$apiaction = $args['apiaction'];
|
|
$method = $args['method'];
|
|
|
|
list($cmdtext, $fmt) = explode('.', $method);
|
|
|
|
static $write_methods = array(
|
|
'account' => array('update_location', 'update_delivery_device', 'end_session'),
|
|
'blocks' => array('create', 'destroy'),
|
|
'direct_messages' => array('create', 'destroy'),
|
|
'favorites' => array('create', 'destroy'),
|
|
'friendships' => array('create', 'destroy'),
|
|
'help' => array(),
|
|
'notifications' => array('follow', 'leave'),
|
|
'statuses' => array('update', 'destroy'),
|
|
'users' => array()
|
|
);
|
|
|
|
if (array_key_exists($apiaction, $write_methods)) {
|
|
if (!in_array($cmdtext, $write_methods[$apiaction])) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|