wechat.class.php
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<?php
/**
* [WeEngine System] Copyright (c) 2014 WE7.CC
* WeEngine is NOT a free software, it under the license terms, visited http://www.we7.cc/ for more details.
*/
load()->func('communication');
define('Wechat_PLATFORM_API_OAUTH_LOGIN_URL', 'https://open.weixin.qq.com/connect/qrconnect?appid=%s&redirect_uri=%s&response_type=code&scope=snsapi_login&state=%s#wechat_redirect');
define('Wechat_PLATFORM_API_GET_ACCESS_TOKEN', 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=%s&secret=%s&code=%s&grant_type=authorization_code');
define('Wechat_PLATFORM_API_GET_USERINFO', 'https://api.weixin.qq.com/sns/userinfo?access_token=%s&openid=%s&lang=zh_CN');
class Wechat extends OAuth2Client {
private $calback_url;
public function __construct($ak, $sk, $calback_url = '') {
global $_W;
parent::__construct($ak, $sk);
$this->calback_url = $_W['siteroot'] . 'web/index.php';
$this->stateParam['from'] = 'wechat';
}
public function showLoginUrl($calback_url = '') {
$redirect_uri = urlencode($this->calback_url);
$state = $this->stateParam();
return sprintf(Wechat_PLATFORM_API_OAUTH_LOGIN_URL, $this->ak, $redirect_uri, $state);
}
public function getUserInfo($token, $openid) {
if (empty($openid) || empty($token)) {
return error(-1, '参数错误');
}
$user_info_url = sprintf(Wechat_PLATFORM_API_GET_USERINFO, $token, $openid);
$response = $this->requestApi($user_info_url);
return $response;
}
public function getOauthInfo() {
global $_GPC, $_W;
$state = $_GPC['state'];
$code = $_GPC['code'];
if (empty($state) || empty($code)) {
return error(-1, '参数错误');
}
$local_state = $this->stateParam();
if ($state != $local_state) {
return error(-1, '重新登陆');
}
$access_url = sprintf(Wechat_PLATFORM_API_GET_ACCESS_TOKEN, $this->ak, $this->sk, $code, urlencode($this->calback_url));
$response = $this->requestApi($access_url);
return $response;
}
public function user() {
$oauth_info = $this->getOauthInfo();
$openid = $oauth_info['openid'];
$user_info = $this->getUserInfo($oauth_info['access_token'], $openid);
if (is_error($user_info)) {
return $user_info;
}
$user = array();
$profile = array();
$user['username'] = strip_emoji($user_info['nickname']);
$user['password'] = '';
$user['type'] = USER_TYPE_COMMON;
$user['starttime'] = TIMESTAMP;
$user['openid'] = $user_info['openid'];
$user['register_type'] = USER_REGISTER_TYPE_WECHAT;
$profile['avatar'] = $user_info['headimgurl'];
$profile['nickname'] = $user_info['nickname'];
$profile['gender'] = $user_info['sex'];
$profile['resideprovince'] = $user_info['province'];
$profile['residecity'] = $user_info['city'];
$profile['birthyear'] = '';
return array(
'member' => $user,
'profile' => $profile
);
}
protected function requestApi($url, $post = '') {
$response = ihttp_request($url, $post);
$result = @json_decode($response['content'], true);
if(is_error($response)) {
return error($result['errcode'], "访问公众平台接口失败, 错误详情: {$result['errmsg']}");
}
if(empty($result)) {
return error(-1, "接口调用失败, 元数据: {$response['meta']}");
} elseif(!empty($result['errcode'])) {
return error($result['errcode'], "访问公众平台接口失败, 错误: {$result['errmsg']}");
}
return $result;
}
public function register() {
return true;
}
public function login() {
load()->model('user');
$user = $this->user();
if (is_error($user)) {
return $user;
}
if (is_error($user)) {
return $user;
}
$user_table = table('users');
$user_id = pdo_getcolumn('users', array('openid' => $user['member']['openid']), 'uid');
$user_bind_info = $user_table->userBindInfo($user['member']['openid'], $user['member']['register_type']);
if (!empty($user_id)) {
return $user_id;
}
if (!empty($user_bind_info)) {
return $user_bind_info['uid'];
}
if (!empty($user_id) && empty($user_bind_info)) {
pdo_insert('users_bind', array('uid' => $user_id, 'bind_sign' => $user['member']['openid'], 'third_type' => $user['member']['register_type'], 'third_nickname' => $user['member']['username']));
return $user_id;
}
return parent::user_register($user);
}
public function bind() {
global $_W;
$user = $this->user();
$user_table = table('users');
$user_id = pdo_getcolumn('users', array('openid' => $user['member']['openid']), 'uid');
$user_bind_info = $user_table->userBindInfo($user['member']['openid'], $user['member']['register_type']);
if (!empty($user_id) || !empty($user_bind_info)) {
return error(-1, '已被其他用户绑定，请更换账号');
}
pdo_insert('users_bind', array('uid' => $_W['uid'], 'bind_sign' => $user['member']['openid'], 'third_type' => $user['member']['register_type'], 'third_nickname' => strip_emoji($user['profile']['nickname'])));
return true;
}
public function unbind() {
global $_GPC, $_W;
$user_table = table('users');
$third_type = $_GPC['bind_type'];
$user_table->bindSearchWithUser($_W['uid']);
$user_table->bindSearchWithType($third_type);
$bind_info = $user_table->bindInfo();
if (empty($bind_info)) {
return error(-1, '已经解除绑定');
}
pdo_update('users', array('openid' => ''), array('uid' => $_W['uid']));
pdo_delete('users_bind', array('uid' => $_W['uid'], 'third_type' => $third_type));
return error(0, '成功');
}
}