php实现新浪、腾讯与淘宝登录的例子。
代码：
<?php
session_start();
class openlogin{
public $_URL = "";
public $config = array();
public function __construct(){
$this->openlogin();
}
function openlogin(){
}
/*获取登陆页面URL*/
public function login_url(){
if(empty($this->config)){
return false;
}
$config = $this->config;
$login_url = $config['login_url'];
$_SESSION['state'] = $state = md5(uniqid(rand(), TRUE));
$array = array(
"response_type"=>"code",
"state" => $state,
"client_id"=>$config['appkey'],
"redirect_uri"=>urlencode( $config['redirect_uri'] )
);
$this->set($array);
$url = $this->combineURL($login_url , $this->_param);
if($url){
@header("Location:".$url);
}else{
return false;
}
}
/*获取access_token*/
public function get_access_token(){
if(empty($this->config)){
return false;
}
$config = $this->config;
if(! $config['code'] = $_REQUEST['code'] ){
return false;
}
$url = $config['authorization_url'];
$state = $_SESSION['state'];
$array = array(
"grant_type"=>"authorization_code",
"client_id" => $config['appkey'],
"client_secret"=>$config['appsecret'],
"code"=>$config['code'],
"redirect_uri"=>urlencode( $config['redirect_uri'] ),
"state"=>$state
);
$this->set($array);
return $this->post_contents($url);
}
/* set $this->_param 数组*/
public function set($array) {
if(empty($array)){
return false;
}
$this->_param = array();
foreach($array as $name=>$value){
$this->_param[$name] = $value;
}
}
/**
* post_contents
* 服务器通过post请求获得内容
* @param string $url 请求的url,拼接后的
* @return string 请求返回的内容
*/
public function post_contents($url){
if(empty($url)){
return false;
}
$param = $this->combineURL("" , $this->_param);
$ch = curl_init();
// 设置URL和相应的选项
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_FAILONERROR, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $param);
// 抓取URL并把它传递给浏览器
$reponse = curl_exec($ch);
curl_close($ch);
return $reponse;
}
/**
* get_contents
* 服务器通过get请求获得内容
* @param string $url 请求的url,拼接后的
* @return string 请求返回的内容
*/
public function get_contents($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$response = curl_exec($ch);
curl_close($ch);
//-------请求为空
if(empty($response)){
return false;
}
return $response;
}
/**
* combineURL
* 拼接url
* @param string $baseURL 基于的url
* @param array $keysArr 参数列表数组
* @return string 返回拼接的url
*/
public function combineURL($baseURL,$keysArr){
if( $baseURL=="" ){
$combined = "";
}else{
$combined = $baseURL."?";
}
$valueArr = array();
foreach($keysArr as $key => $val){
$valueArr[] = "$key=$val";
}
$keyStr = implode("&",$valueArr);
$combined .= ($keyStr);
return $combined;
}
}
//php实现QQ登录
class qq_openlogin extends openlogin{
private $openname = "qq";
public $config = array(
"appkey"=>"your appkey",
"appsecret"=>"your appsecret",
"redirect_uri"=>"XXXXX",
"login_url" => "https://graph.qq.com/oauth2.0/authorize",
"scope"=>"get_user_info,add_share,list_album,add_album,upload_pic,add_topic,add_one_blog,add_weibo,check_page_fans,add_t,add_pic_t,del_t,get_repost_list,
get_info,get_other_info,get_fanslist,get_idolist,add_idol,del_idol,get_tenpay_addr",
"authorization_url"=>"https://graph.qq.com/oauth2.0/token"
);
function __construct()
{
$this->qq_openlogin();
}
function qq_openlogin(){
parent::__construct();
}
function get_access_token(){
$response = parent::get_access_token();
/*检测错误是否发生*/
if(strpos($response, "callback") !== false){
$lpos = strpos($response, "(");
$rpos = strrpos($response, ")");
$response = substr($response, $lpos + 1, $rpos - $lpos -1);
$msg = json_decode($response);
if(isset($msg->error)){
return false;
}
}
$params = array();
parse_str($response, $params);
/*access_token == $params[access_token]*/
/*获取 openid */
$response = $this->get_contents("https://graph.qq.com/oauth2.0/me?access_token=".$params['access_token']);
//--------检测错误是否发生
if(strpos($response, "callback") !== false){
$lpos = strpos($response, "(");
$rpos = strrpos($response, ")");
$response = substr($response, $lpos + 1, $rpos - $lpos -1);
}
$user = json_decode($response);
if(isset($user->error)){
return false;
}
/*
获取用户信息需要参数：openid(用户的ID，与QQ号码一一对应),access_token(可通过使用Authorization_Code获取Access_Token 或来获取access_token有3个月有效期),oauth_consumer_key(用户appid),format(返回格式)
*/
/*数据库保存*/
$open_param = array(
"openid"=>$user->openid,
"access_token"=>$params['access_token']
);
//
$open_param['oauth_consumer_key'] = $this->config['appkey'];
$open_param['format'] = "json";
/*拼接url*/
$get_user_url = $this->combineURL("https://graph.qq.com/user/get_user_info",$open_param);
//猎取用户信息
$userinfo = $this->get_contents($get_user_url);
$userinfo = json_decode($userinfo);
return $userinfo;
}
}
//php实现微博登录
class weibo_openlogin extends openlogin{
private $openname = "weibo";
public $config = array(
"appkey"=>"your appkey",
"appsecret"=>"your appsecret",
"login_url" => "https://api.weibo.com/oauth2/authorize",
"redirect_uri"=>"XXXXXXX",
"authorization_url"=>"https://api.weibo.com/oauth2/access_token"
);
function __construct()
{
$this->qq_openlogin();
}
function qq_openlogin(){
parent::__construct();
}
function get_access_token(){
$response = parent::get_access_token();
$userinfo = json_decode($response);
return $userinfo;
}
}
//php实现淘宝登录
class taobao_openlogin extends openlogin{
private $openname = "taobao";
public $config = array(
"appkey"=>"your appkey",
"appsecret"=>"your appsecret",
"redirect_uri"=>"XXXXX",
"authorization_url"=>"https://oauth.taobao.com/token",
"login_url"=>"https://oauth.taobao.com/authorize"
);
function __construct()
{
$this->qq_openlogin();
}
function qq_openlogin(){
parent::__construct();
}
function get_access_token(){
$response = parent::get_access_token();
$userinfo = json_decode($response);
return $userinfo;
}
}
if($_GET['openname']){
$openname = $_GET['openname']."_openlogin";
$openlogin = new $openname();
if(!isset($_REQUEST['code'])){
//请求url
$url = $openlogin->login_url();
if(!$url){
echo "0";
exit();
}
}else{
if(isset($_REQUEST["state"]) && ($_SESSION['state'] != $_REQUEST["state"] )){
echo "1";
exit();
}
$rs = $openlogin->get_access_token();
print_r( $rs );
}
}
?>
附，人人网登陆代码。
<?php
class renren_openlogin extends openlogin{
private $openname = "renren";
public $config = array(
"appid"=>"your appid",
"appkey"=>"your appkey",
"appsecret"=>"your secret key",
"redirect_uri"=>"XXXXXX",
"authorization_url"=>"https://graph.renren.com/oauth/token",
"login_url"=>"https://graph.renren.com/oauth/authorize"
);
function __construct()
{
$this->qq_openlogin();
}
function qq_openlogin(){
parent::__construct();
}
function get_access_token(){
$response = parent::get_access_token();
$userinfo = json_decode($response);
return $userinfo;
/*
access_token：获取的Access Token；
expires_in：Access Token的有效期，以秒为单位；
refresh_token：用于刷新Access Token 的 Refresh Token，长期有效，不会过期；
scope：Access Token最终的访问范围，既用户实际授予的权限列表（用户在授权页面时，有可能会取消掉某些请求的权限）。关于权限的具体信息请参考
*/
}
/*获取登陆页面URL*/
public function login_url(){
if(empty($this->config)){
return false;
}
$config = $this->config;
$login_url = $config['login_url'];
$array = array(
"response_type"=>"code",
"client_id"=>$config['appid'],
"redirect_uri"=>urlencode( $config['redirect_uri'] )
);
$this->set($array);
$url = $this->combineURL($login_url , $this->_param);
if($url){
@header("Location:".$url);
}else{
return false;
}
}
}