137 lines
2.8 KiB
PHP
137 lines
2.8 KiB
PHP
<?php
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/*
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Copyright (c) 2009-2017 F3::Factory/Bong Cosca, All rights reserved.
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This file is part of the Fat-Free Framework (http://fatfreeframework.com).
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This is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or later.
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Fat-Free Framework is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with Fat-Free Framework. If not, see <http://www.gnu.org/licenses/>.
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*/
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namespace Web;
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//! Lightweight OAuth2 client
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class OAuth2 extends \Magic {
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protected
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//! Scopes and claims
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$args=[];
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/**
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* Return OAuth2 authentication URI
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* @return string
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* @param $endpoint string
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**/
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function uri($endpoint) {
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return $endpoint.'?'.http_build_query($this->args);
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}
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/**
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* Send request to API/token endpoint
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* @return string|FALSE
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* @param $uri string
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* @param $method string
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* @param $token array
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**/
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function request($uri,$method,$token=NULL) {
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$web=\Web::instance();
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$options=[
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'method'=>$method,
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'content'=>http_build_query($this->args),
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'header'=>['Accept: application/json']
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];
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if ($token)
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array_push($options['header'],'Authorization: Bearer '.$token);
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elseif ($method=='POST')
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array_push($options['header'],'Authorization: Basic '.
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base64_encode(
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$this->args['client_id'].':'.
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$this->args['client_secret']
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)
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);
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$response=$web->request($uri,$options);
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if ($response['error'])
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user_error($response['error']);
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return $response['body'] &&
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preg_grep('/HTTP\/1\.\d 200/',$response['headers'])?
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json_decode($response['body'],TRUE):
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FALSE;
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}
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/**
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* Parse JSON Web token
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* @return array
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* @param $token string
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**/
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function jwt($token) {
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return json_decode(
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base64_decode(
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str_replace(
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['-','_'],
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['+','/'],
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explode('.',$token)[1]
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)
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),
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TRUE
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);
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}
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/**
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* Return TRUE if scope/claim exists
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* @return bool
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* @param $key string
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**/
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function exists($key) {
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return isset($this->args[$key]);
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}
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/**
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* Bind value to scope/claim
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* @return string
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* @param $key string
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* @param $val string
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**/
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function set($key,$val) {
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return $this->args[$key]=$val;
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}
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/**
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* Return value of scope/claim
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* @return mixed
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* @param $key string
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**/
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function &get($key) {
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if (isset($this->args[$key]))
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$val=&$this->args[$key];
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else
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$val=NULL;
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return $val;
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}
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/**
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* Remove scope/claim
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* @return NULL
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* @param $key string
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**/
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function clear($key=NULL) {
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if ($key)
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unset($this->args[$key]);
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else
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$this->args=[];
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}
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}
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