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PHP写的oauth认证服务端

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PHP中文网原创
2016-05-25 17:04:001580浏览

适用于Kohana3.x                       

1. [文件]     oauth.zip 

PHP写的oauth认证服务端oauth.zip

2. [文件]     oauth.php 

class Controller_OAuth extends Controller {

        public function action_index() {
                $result = array('status' => '400');
                $this->sendQuery($result);
        }

        // 获取未授权的Request Token 
        public function action_request() {
                $result = array('status' => '400');
                $provider = new OAuth_Provider();
                $provider->setRequestTokenQuery();
                try {
                        $provider->checkRequest();
                        $token = $provider->generateRequestToken();

                        $result['status'] = 200;
                        $result = Arr::merge($result, $token);
                } catch (Exception $e) {
                        $result['code'] = $e->getCode();
                        $result['message'] = $e->getMessage();
                }
                $this->sendQuery($result);
        }

        // 获取用户授权的Request Token 
        public function action_authorize() {
                $result = array('status' => '400');
                try {

                        $oauth_token = Arr::get($_REQUEST, 'oauth_token');
                        if (!$oauth_token) {
                                throw new Exception('缺少 oauth_token');
                        }
                        $request_token = OAuth_Token::findByToken($oauth_token);

                        if(!is_object($request_token) || !$request_token->isRequest()){
                                throw new Exception('oauth_token 错误');
                        }
                        $username = Arr::get($_REQUEST, 'username');
                        $password = Arr::get($_REQUEST, 'password');

                        if (Auth::instance()->login($username, $password) !== TRUE) {
                                throw new Exception('用户名或密码错误');
                        }
                        $request_token->setVerifier(OAuth_Provider::generateVerifier());
                        $request_token->setUserId(Auth::instance()->instance()->get_user()->id);

                        $result['status'] = 200;
                        $result['message'] = '授权成功';
                        $result['callback'] = $request_token->getCallback();
                        $result['oauth_token'] = $oauth_token;
                        $result['oauth_verifier'] = $request_token->getVerifier();
                } catch (Exception $e) {
                        $result['message'] = $e->getMessage();
                }
                $this->sendQuery($result);
        }

        // 使用授权后的Request Token换取Access Toke
        public function action_access() {
                $result = array('status' => '400');
                // xauth
                $x_auth_mode = Arr::get($_REQUEST, 'x_auth_mode');
                if ($x_auth_mode == 'client_auth') {
                        $username = Arr::get($_REQUEST, 'x_auth_username');
                        $password = Arr::get($_REQUEST, 'x_auth_password');
                        if (Auth::instance()->login($username, $password) !== TRUE) {
                                throw new Exception('用户名或密码错误');
                        }

                        $userid = Auth::instance()->instance()->get_user()->id;

                        try {
                                // 生成request token
                                $provider = new OAuth_Provider();
                                $provider->setRequestTokenQuery();
                                $provider->checkRequest();
                                $consumer = $provider->getConsumer();
                                if ($consumer->getType() !== 1) {
                                        throw new Exception('请申请XAuth认证');
                                }

                                $token = sha1(OAuthProvider::generateToken(20, true));
                                $secret = sha1(OAuthProvider::generateToken(20, true));
                                $oauth_token = ORM::factory('oauth_token');
                                $oauth_token->type = 2;
                                $oauth_token->consumer_id = $consumer->getId();
                                $oauth_token->token = $token;
                                $oauth_token->token_secret = $secret;
                                $oauth_token->callback_url = ''; 
                                $oauth_token->user_id = $userid;
                                $oauth_token->verifier = ''; 
                                $oauth_token->save();

                                $result = array('status' => 200, 'oauth_token' => $token, 'oauth_token_secret' => $secret);
                        } catch (Exception $e) {
                                $result['code'] = $e->getCode();
                                $result['message'] = $e->getMessage();
                        }
                        $this->sendQuery($result);
                } else {
                        $provider = new OAuth_Provider();
                        try {
                                $provider->checkRequest();
                                $token = $provider->generateAccessToken();
                                $result['status'] = 200;
                                $result = Arr::merge($result, $token);
                        } catch (Exception $e) {
                                $result['code'] = $e->getCode();
                                $result['message'] = $e->getMessage();
                        }

                        $this->sendQuery($result);
                }
        }

        public function action_test() {
                $result = array('status' => '400');
                $provider = new OAuth_Provider();
                try {
                        $provider->checkRequest();
                        $userid = $provider->getUserId();
                        $result['status'] = 200;
                        $result['message'] = '';
                        $result['userid'] = $userid;
                } catch (Exception $e) {
                        $result['message'] = $e->getMessage();
                }

                $this->sendQuery($result);
        }

		// 输出JSON
        public function sendQuery($result, $header = TRUE) {
                $body = is_array($result) ? http_build_query($result) : $result;
                $this->sendBody($body);
        }

        // 输出
        public function sendBody($body) {
                $this->response->body($body);
                echo $this->response->send_headers()->body();
                exit;
        }
}

3. [文件]     provider.php

<?php defined(&#39;SYSPATH&#39;) or die(&#39;No direct script access.&#39;);

/**
 * @author     zhuzongxin dreamsxin@qq.com
 */
class OAuth_Provider {

	private $oauth;
	private $consumer;
	private $user_id;
	private $authentification_url;

	public static function createConsumer() {
		$key = sha1(OAuthProvider::generateToken(20, true));
		$secret = sha1(OAuthProvider::generateToken(20, true));
		return OAuth_Consumer::create($key, $secret);
	}

	public function __construct() {
		$config = Kohana::$config->load(&#39;oauth&#39;);
		$this->authentification_url = URL::base(TRUE).Arr::get($config, &#39;authentification_url&#39;);
		/* create our instance */
		$this->oauth = new OAuthProvider();

		/* setup check functions */
		$this->oauth->consumerHandler(array($this, &#39;checkConsumer&#39;));
		$this->oauth->timestampNonceHandler(array($this, &#39;checkNonce&#39;));
		$this->oauth->tokenHandler(array($this, &#39;checkToken&#39;));
	}

	public function checkRequest() {	
		$this->oauth->checkOAuthRequest();
	}

	public function setRequestTokenQuery() {
		$this->oauth->isRequestTokenEndpoint(true);
		//$this->oauth->addRequiredParameter("oauth_callback");
	}

	public function generateRequestToken() {

		$token = sha1(OAuthProvider::generateToken(20, true));
		$token_secret = sha1(OAuthProvider::generateToken(20, true));

		$callback = $this->oauth->callback;

		OAuth_Token::createRequestToken($this->consumer, $token, $token_secret, $callback);	

		return array(&#39;authentification_url&#39; => $this->authentification_url, &#39;oauth_token&#39; => $token, &#39;oauth_token_secret&#39; => $token_secret, &#39;oauth_callback_confirmed&#39; => &#39;true&#39;);
	}

	public function generateAccesstoken() {

		$access_token = sha1(OAuthProvider::generateToken(20, true));
		$secret = sha1(OAuthProvider::generateToken(20, true));

		$token = OAuth_Token::findByToken($this->oauth->token);

		$token->changeToAccessToken($access_token, $secret);
		return array(&#39;oauth_token&#39; => $access_token, &#39;oauth_token_secret&#39; => $secret);
	}

	public static function generateVerifier() {
		$verifier = sha1(OAuthProvider::generateToken(20, true));
		return $verifier;
	}

	public function checkConsumer($provider) {
		$return = OAUTH_CONSUMER_KEY_UNKNOWN;

		$aConsumer = OAuth_Consumer::findByKey($provider->consumer_key);

		if (is_object($aConsumer)) {
			if (!$aConsumer->isActive()) {
				$return = OAUTH_CONSUMER_KEY_REFUSED;
			} else {
				$this->consumer = $aConsumer;
				$provider->consumer_secret = $this->consumer->getSecretKey();
				$return = OAUTH_OK;
			}
		}

		return $return;
	}

	public function checkToken($provider) {
		$token = OAuth_Token::findByToken($provider->token);

		if (is_null($token)) {
			return OAUTH_TOKEN_REJECTED;
		} elseif ($token->getType() == 1) {
			if ($token->getVerifier() != $provider->verifier) {
				return OAUTH_VERIFIER_INVALID;
			} else {
				$provider->token_secret = $token->getSecret();
				return OAUTH_OK;
			}
			
		} elseif ($token->getType() == 2) {
			if ($token->getExpires() > 0 && time() - strtotime($token->getCreated()) > (int)$token->getExpires()) {
				return OAUTH_TOKEN_EXPIRED;
			}
			$this->user_id = $token->getUserId();
			$provider->token_secret = $token->getSecret();
			return OAUTH_OK;
		}
	}

	public function checkNonce($provider) {
		if ($this->oauth->timestamp < time() - 5 * 60) {
			return OAUTH_BAD_TIMESTAMP;
		} elseif ($this->consumer->hasNonce($provider->nonce, $this->oauth->timestamp)) {
			return OAUTH_BAD_NONCE;
		} else {
			$this->consumer->addNonce($this->oauth->nonce);
			return OAUTH_OK;
		}
	}

	public function getUserId() {
		if ($this->user_id) {
			return $this->user_id;
		} else {
			throw new Exception("User not authentificated");
		}
	}

	public function getConsumer() {
		return $this->consumer;
	}

}

                               

                   

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