<?php
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class wechat_oauth
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{
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private static $appid = 'wx73b70de7ace04705';
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private static $appsecret = "c588f1d5aaff2653dae3d49cf44219fe";
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public static function post_oauth($snsapi_userinfo)
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{
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$redirect_uri = urlencode("http://test41.kssina.com/index.php/login/oauth");
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$url = "https://open.weixin.qq.com/connect/oauth2/authorize?appid=" . self::$appid . "&redirect_uri=" . $redirect_uri . "&response_type=code&scope=" . $snsapi_userinfo . "&state=STATE#wechat_redirect";
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//echo $url;die;
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return $url;
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}
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public static function get_openid($code)
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{
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$get_token_url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=' . self::$appid . '&secret=' . self::$appsecret . '&code=' . $code . '&grant_type=authorization_code';
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$res_http = wechat_common::get_http($get_token_url);
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//本地测试
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//$res_http='{"access_token":"ACCESS_TOKEN","expires_in":7200,"refresh_token":"REFRESH_TOKEN","openid":"openid","scope":"SCOPE","unionid": "o6_bmasdasdsad6_2sgVt7hMZOPfL"}';
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$res = json_decode($res_http);
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//写入日志
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//wechat_common::write_log("D:/phproot/fruit/wechat/logs/wechat_oauth.txt",date("Y-m-d H:i:s")."\r\n".$res_http."\r\n");
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wechat_common::write_log(dirname(__FILE__) . "/logs/wechat_oauth_" . date("Y-m-d") . ".txt", date("Y-m-d H:i:s") . "\r\n" . $res_http . "\r\n");
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return $res;
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}
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}
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class wechat_access_token
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{
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private static $appid = 'wx73b70de7ace04705';
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private static $appsecret = "c588f1d5aaff2653dae3d49cf44219fe";
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public function get_access_token()
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{
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// access_token 应该全局存储与更新，以下代码以写入到文件中做示例
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$data = json_decode(file_get_contents(dirname(__FILE__) . "/access_token.json"));
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if ($data->expire_time < time()) {
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$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=" . self::$appid . "&secret=" . self::$appsecret;
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$res_http = wechat_common::get_http($url);
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wechat_common::write_log(dirname(__FILE__) . "/logs/wechat_access_token_" . date("Y-m-d") . ".txt", date("Y-m-d H:i:s") . "\r\n" . $res_http . "\r\n");
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$res = json_decode($res_http);
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$access_token = $res->access_token;
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if ($access_token) {
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$data->expire_time = time() + 7000;
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$data->access_token = $access_token;
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$fp = fopen(dirname(__FILE__) . "/access_token.json", "w");
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fwrite($fp, json_encode($data));
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fclose($fp);
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}
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} else {
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$access_token = $data->access_token;
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}
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return $access_token;
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}
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}
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class wechat_user
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{
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public function __construct()
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{
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}
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public static function get_user_info($access_token, $openid)
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{
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$url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=$access_token&openid=$openid&lang=zh_CN";
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$res_http = wechat_common::get_http($url);
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wechat_common::write_log(dirname(__FILE__) . "/logs/wechat_user_" . date("Y-m-d") . ".txt", date("Y-m-d H:i:s") . "\r\n" . $res_http . "\r\n");
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$res = json_decode($res_http);//返回对象
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//$res = json_decode($this->httpGet($url),true);//返回数组
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return $res;
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}
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}
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class wechat_jssdk
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{
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private static $appid = 'wx73b70de7ace04705';
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private static $appsecret = "c588f1d5aaff2653dae3d49cf44219fe";
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public function __construct()
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{
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}
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public static function getSignPackage()
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{
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$jsapiTicket = wechat_jssdk::getJsApiTicket();
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$url = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
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$timestamp = time();
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$nonceStr = wechat_jssdk::createNonceStr();
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// 这里参数的顺序要按照 key 值 ASCII 码升序排序
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$string = "jsapi_ticket=$jsapiTicket&noncestr=$nonceStr×tamp=$timestamp&url=$url";
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$signature = sha1($string);
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$signPackage = array(
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"appid" => self::$appid,
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"nonceStr" => $nonceStr,
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"timestamp" => $timestamp,
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"url" => $url,
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"signature" => $signature,
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"rawString" => $string
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);
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return $signPackage;
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}
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private static function createNonceStr($length = 16)
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{
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$chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
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$str = "";
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for ($i = 0; $i < $length; $i++) {
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$str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
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}
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return $str;
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}
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private static function getJsApiTicket()
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{
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// jsapi_ticket 应该全局存储与更新，以下代码以写入到文件中做示例
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$data = json_decode(file_get_contents(dirname(__FILE__) . "/jsapi_ticket.json"));
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if ($data->expire_time < time()) {
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$accessToken = wechat_access_token::get_access_token();
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$url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token=$accessToken";
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$res = json_decode(wechat_common::get_http($url));
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$ticket = $res->ticket;
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if ($ticket) {
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$data->expire_time = time() + 7000;
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$data->jsapi_ticket = $ticket;
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$fp = fopen(dirname(__FILE__) . "/jsapi_ticket.json", "w");
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fwrite($fp, json_encode($data));
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fclose($fp);
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}
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} else {
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$ticket = $data->jsapi_ticket;
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}
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return $ticket;
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}
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}
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class wechat_common
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{
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public static function get_http($url)
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{
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
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$res = curl_exec($ch);
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curl_close($ch);
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return $res;
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}
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public static function write_log($file, $content)
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{
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$fp = fopen($file, "a+");
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fwrite($fp, $content);
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fclose($fp);
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}
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}
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