The github library of the socialxe module

github.lib.php

<?php
/**
 * @class  libraryGithub
 * @author YJSoft (http://yjsoft.pe.kr)
 * @brief The github library of the socialxe module
 */

const GITHUB_OAUTH2_URI = 'https://github.com/login/oauth/';
const GITHUB_API_URI = 'https://api.github.com/';

class libraryGithub extends socialxeLibrary
{
	/**
	 * @brief 인증 URL 생성
	 */
	function createAuthUrl($type)
	{
		$_SESSION['socialxe_auth_redirect_mid'] = Context::get('mid');
		$_SESSION['socialxe_auth_redirect'] = Context::get('redirect');
		$_SESSION['socialxe_auth_type'] = $type;
		$_SESSION['socialxe_auth_state'] = md5(microtime().mt_rand());
		
		$params = array(
			'scope' => 'user',
			'redirect_uri' => getNotEncodedFullUrl('', 'module', 'socialxe', 'act', 'procSocialxeCallback','service','github'),
			'client_id' => $this->config->github_client_id,
			'state' => $_SESSION['socialxe_auth_state']
		);
		
		return GITHUB_OAUTH2_URI . 'authorize?' . http_build_query($params, '', '&');
	}
	
	/**
	 * @brief 코드인증
	 */
	function authenticate()
	{
		$state = Context::get('state');
		$code = Context::get('code');
		if(!$code || !$_SESSION['socialxe_auth_state'] || $state != $_SESSION['socialxe_auth_state']) return new Object(-1, "msg_invalid_request");
		
		$post_data = array(
			'code' => $code,
			'client_id' => $this->config->github_client_id,
			'client_secret' => $this->config->github_client_secret
		);
		$token = $this->requestHttp('token', $post_data);
		
		$this->setAccessToken($token['access_token']);
		//no refresh avaliable for github
		//$this->setRefreshToken('');
		
		unset($_SESSION['socialxe_auth_state']);
		
		return new Object();
	}
	
	/**
	 * @brief 토큰 새로고침
	 * @notice Github에서는 불가능
	 */
	function refreshToken()
	{
		return;
	}
	
	/**
	 * @brief 토큰파기
	 * @notice 미구현
	 */
	function revokeToken()
	{
		return;
		/*
		$post_data = array(
			'sercive_provider' => 'NAVER',
			'access_token' => $this->access_token,
			'grant_type' => 'delete',
			'client_id' => $this->config->github_client_id,
			'client_secret' => $this->config->github_client_secret
		);
		$this->requestHttp('token', $post_data);
		*/
	}
	
	/**
	 * @brief 계정 정보 가져오기
	 */
	function takeAccountInfo()
	{
		if(!$this->access_token) return;
		
		$request_url = GITHUB_API_URI . 'user';
		$profile = $this->requestHttp($request_url, array(), $this->access_token);
		
		return $profile;
	}
	
	/**
	 * @brief 프로필 삽입
	 */
	function setProfile($profile_info = null)
	{
		if($profile_info){
			$this->profile_info = $profile_info;
			$profile = json_decode($profile_info, true);
		}else{
			$profile = $this->takeAccountInfo();
			$this->profile_info = json_encode($profile);
		}
		
		if(!$profile) return new Object(-1, "msg_errer_api_connect");
		
		$this->profile_id = $profile['login'];
		$this->profile_email = $profile['email'];
		$this->profile_name = $profile['login'];
		$this->profile_image = $profile['avatar_url'];
		
		if(!$profile['email'] || $profile['email']=='') return new Object(-1, "Github 계정에 Public email 주소가 없습니다.");
		
		$this->profile_url = $profile['html_url'];
		
		//프로필 인증
		$this->profile_verified = true;
		
		return new Object();
	}

	/**
	 * @brief 프로필 확장
	 * @notice Github에서는 불가능
	 */
	function getProfileExtend()
	{
		return;
		/*
		$profile = json_decode($this->profile_info, true);
		
		$extend = new stdClass;
		$extend->birthday = date('Y').preg_replace('/[^0-9]*?/', '', $profile['birthday']);
		
		$email = explode('@', $profile['email']);
		$extend->blog = 'http://blog.naver.com/'.$email[0];
		
		$gender = $profile['gender'];
		if($gender == 'M'){
			$extend->gender = '남성';
			
		}elseif($gender == 'F'){
			$extend->gender = '여성';
		}
		
		return $extend;
		*/
	}
	
	function getProfileImage()
	{
		return $this->profile_image;
		//return preg_replace('/\?sz\=[0-9]+/is', '', $profile_image);
	}	
	
	function requestHttp($request_url, $post_data = array(), $authorization = null)
	{
		if($post_data) $method = 'POST';
		else $method = 'GET';
		
		if($authorization){
			$headers = array(
				'Host' => 'api.github.com',
				'Pragma' => 'no-cache',
				'Accept' => 'application/json',
				'Authorization' => sprintf("token %s", $authorization)
			);
		}
		
		$request_config = array(
			'ssl_verify_peer' => false
		);
		
		if($request_url == 'token'){
			$request_url = GITHUB_OAUTH2_URI . 'access_token';
		}
		
		$retry = 0;
		while ($retry <= 3) {
			$buff = FileHandler::getRemoteResource($request_url, null, 10, $method, 'application/x-www-form-urlencoded', $headers, array(), $post_data, $request_config);
			if(!is_null($buff)) break;
			$retry++;
		}
		
		if(strpos($buff, '<?xml') !== false){
			$oXmlParser = new XmlParser();
			$xml_obj = $oXmlParser->parse($buff);
			$response = $xml_obj->data->response;
			
			$buff = array();
			$xml_list = get_object_vars($response);
			
			foreach($xml_list as $key=> $val){
				$buff[$key] = $val->body;
			}
		}elseif(strpos($buff, 'access_token=')!==false){
			$buff2 = array();
			parse_str($buff,$buff2);
			
			$buff = $buff2;
		}else{
			$buff = json_decode($buff, true);
		}
		
		return $buff;
	}
}