/**
* 授权回调（通过 Code 换取 Token）
*/
public function getAccessToken($code)
{
$request = Http::get(self::ACCESS_TOKEN_URL, array('query' => array('appid' => $this->wechat['appid'], 'secret' => $this->wechat['appsecret'], 'code' => $code, 'grant_type' => 'authorization_code')));
$response = $request->json();
if (array_key_exists('access_token', $response) && array_key_exists('openid', $response)) {
return $this->accessToken = new AccessToken($this->wechat, $response);
}
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
/**
* 获取响应
*/
public function doDelete()
{
$request = Http::get(self::DELETE_URL, array('query' => array('access_token' => $this->accessToken->getAccessToken())));
$response = $request->json();
if (array_key_exists('errcode', $response) && $response['errcode'] != 0) {
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
return true;
}
/**
* 获取 AccessToken（从 API 获取）
*/
protected function _getAccessToken()
{
$request = Http::get(self::ACCESS_TOKEN_URL, array('query' => array('grant_type' => 'client_credential', 'appid' => $this->wechat['appid'], 'secret' => $this->wechat['appsecret'])));
$response = $request->json();
if (array_key_exists('access_token', $response) && array_key_exists('expires_in', $response)) {
return $response;
}
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
/**
* 获取 Ticket（从 API 获取）
*/
protected function _getTicket($type)
{
$request = Http::get(self::TICKET_URL, array('query' => array('access_token' => $this->accessToken->getAccessToken(), 'type' => $type)));
$response = $request->json();
if (array_key_exists('ticket', $response) && array_key_exists('expires_in', $response)) {
return $response;
}
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
/**
* 获取服务器 IP 列表
*/
public function getServerIp()
{
$request = Http::get(self::SERVERIP_URL, array('query' => array('access_token' => $this->accessToken->getAccessToken())));
$response = $request->json();
if (array_key_exists('ip_list', $response)) {
return $response['ip_list'];
}
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
/**
* 构造方法
*/
public function __construct(AccessToken $accessToken)
{
if (!$accessToken->isValid()) {
$accessToken->refresh();
}
$request = Http::get(self::USERINFO_URL, array('query' => array('access_token' => $accessToken['access_token'], 'openid' => $accessToken['openid'])));
$response = $request->json();
if (array_key_exists('errcode', $response) && array_key_exists('errmsg', $response)) {
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
parent::__construct($response);
}
/**
* 获取下单结果
*/
public function getResponse()
{
ksort($this->options);
$signature = http_build_query($this->options);
$signature = urldecode($signature);
$signature = strtoupper(md5($signature . '&key=' . $this->wechat['mchkey']));
$this->options['sign'] = $signature;
$request = Http::post(self::UNIFIEDORDER_URL, array('body' => Serialize::encode($this->options, 'xml')));
$response = (array) $request->xml(array('libxml_options' => LIBXML_NOCDATA));
if (array_key_exists('result_code', $response) && $response['result_code'] === 'FAIL') {
throw new \Exception($response['err_code'] . ': ' . $response['err_code_des']);
}
if (array_key_exists('return_code', $response) && $response['return_code'] === 'FAIL') {
throw new \Exception($response['return_code'] . ': ' . $response['return_msg']);
}
return $response;
}
/**
* 构造方法
*/
public function __construct(AccessToken $accessToken)
{
if (!$accessToken->isValid()) {
$accessToken->refresh();
}
$request = Http::get(self::USERINFO_URL, array('query' => array('access_token' => $accessToken['access_token'], 'openid' => $accessToken['openid'])));
$response = $request->json();
if (array_key_exists('errcode', $response) && array_key_exists('errmsg', $response)) {
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
$required = array('openid', 'nickname', 'sex', 'language', 'city', 'province', 'country', 'headimgurl');
$defined = array_merge($required, array('privilege', 'unionid'));
$validator = new OptionValidator();
$validator->setDefined($defined)->setRequired($required);
$validated = $validator->validate($response);
parent::__construct($validated);
}
/**
* 检测是否有效
*/
public function isValid()
{
$request = Http::get(self::CHECK_URL, array('query' => array('access_token' => $this->options['access_token'], 'openid' => $this->options['openid'])));
$response = $request->json();
return $response['errmsg'] === 'ok';
}
/**
* 获取当前（已授权）用户信息
*/
public function getUser($token)
{
$params = array('access_token' => $token->access_token, 'openid' => $token->openid);
$response = Http::get(static::USERINFO_URL, $params);
if (isset($response->openid) && isset($response->nickname) && isset($response->headimgurl)) {
return $response;
}
throw new OAuthException($response->errcode . ': ' . $response->errmsg);
}
/**
* 获取微信服务器 IP
*/
public function getServerIp()
{
try {
$accessToken = $this->getAccessToken();
} catch (AccessTokenException $e) {
throw new WechatException($e->getMessage());
}
$params = array('access_token' => $accessToken);
$response = Http::get(static::SERVERIP_URL, $params);
if (isset($response->ip_list)) {
return $response->ip_list;
}
throw new WechatException($response->errcode . ': ' . $response->errmsg);
}
/**
* 发送模板消息
*/
public function send()
{
if (empty($this->options) || $this->options->isEmpty()) {
throw new \Exception('Options is requried');
}
$body = array('touser' => $this->touser, 'template_id' => $this->templateId, 'url' => $this->url, 'data' => $this->options->toArray());
$request = Http::post(self::SEND_URL, array('body' => Serialize::encode($body, 'json'), 'query' => array('access_token' => $this->accessToken->getAccessToken())));
$response = $request->json();
if (array_key_exists('errcode', $response) && $response['errcode'] != 0) {
throw new \Exception($response['errcode'] . ': ' . $response['errmsg']);
}
return $response['msgid'];
}
/**
* 获取统一下单结果
*/
public function getResponse()
{
$signGenerator = new SignGenerator($this->bag);
$signGenerator->onSortAfter(function ($bag) {
$bag->set('key', $this->key);
});
// 生成签名
$sign = $signGenerator->getResult();
// 生成签名后移除 Key
$this->bag->remove('key');
// 调置签名
$this->bag->set('sign', $sign);
$body = Util::array2XML($this->bag->all());
$response = Http::post(static::UNIFIEDORDER_URL, $body, false);
$response = Util::XML2Array($response);
if (isset($response['result_code']) && $response['result_code'] === 'FAIL') {
throw new PaymentException($response['err_code'] . ': ' . $response['err_code_des']);
}
if (isset($response['return_code']) && $response['return_code'] === 'FAIL') {
throw new PaymentException($response['return_code'] . ': ' . $response['return_msg']);
}
return $response;
}