WeChat Scan Login

The user obtains the login information by scanning the QR code provided by the webpage. /** * Public Platform PHP-SDK * Wechatauth for unofficial Login API * Users to access the QR code provided by scanning the Web page to achieve the landing information * The main implementation of the following functions: * Get_login_code () to obtain a login authorization code, through the authorization code to obtain the QR code * Get_code_image ($code = ") Converts the authorization code obtained above to the image QR code * Verify_code () to determine if the login was successful, return 200 for final authorization success. * Get_login_cookie () Call this method to obtain basic user information after successful authentication * Sendnews ($account, $title, $summary, $content, $pic, $srcurl = ") send text messages to an account * Get_avatar ($url) Get profile picture data * @author Dodge * [url=home.php?mod=space&uid=17823] @LINK [/url] Https://github.com/dodgepudding/wechat-php-sdk * @version 1.1 * */ Include "snoopy.class.php"; Class Wechatauth { Private $cookie; Private $_cookiename; Private $_cookieexpired = 3600; Private $_account = ' test '; Private $_datapath = './data/cookie_ '; Private $debug; Private $_logcallback; Public $login _user; Current login user, call Get_login_info after get Public function __construct ($options) { $this->_account = isset ($options [' account '])? $options [' Account ']: '; $this->_datapath = isset ($options [' datapath '])? $options [' DataPath ']: $this->_datapath; $this->debug = isset ($options [' Debug '])? $options [' Debug ']:false; $this->_logcallback = isset ($options [' logcallback '])? $options [' Logcallback ']:false; $this->_cookiename = $this->_datapath. $this->_account; $this->getcookie ($this->_cookiename); } /** * Write cookies to cache * @param string $filename cache file name * @param string $content file contents * @return BOOL */ Public Function Savecookie ($filename, $content) { Return file_put_contents ($filename, $content); } /** * Read Cookie cache content * @param string $filename cache file name * @return A string cookie */ Public Function GetCookie ($filename) { if (file_exists ($filename)) { $mtime = Filemtime ($filename); if ($mtime _cookieexpired) return false; $data = file_get_contents ($filename); if ($data) $this->cookie = $data; } return $this->cookie; } /* * Delete Cookies */ Public Function Deletecookie ($filename) { $this->cookie = "; @unlink ($filename); return true; } Private function log ($log) { if ($this->debug && function_exists ($this->_logcallback)) { if (Is_array ($log)) $log = Print_r ($log, true); Return Call_user_func ($this->_logcallback, $log); } } /** * Get Authorization code for login QR code */ Public Function Get_login_code () { if ($this->_logincode) return $this->_logincode; $t = Time (). Strval (Mt_rand (100,999)); $codeurl = ' https://login.weixin.qq.com/jslogin?appid=wx782c26e4c19acffb&redirect_uri=https%3A%2F% 2fwx.qq.com%2fcgi-bin%2fmmwebwx-bin%2fwebwxnewloginpage&fun=new&lang=zh_cn&_= '. $t; $send _snoopy = new Snoopy; $send _snoopy->fetch ($codeurl); $result = $send _snoopy->results; if ($result) { Preg_match ("/window. Qrlogin.uuid\s+=\s+\ "([^\"]+) \ "/", $result, $matches); if (count ($matches) >1) { $this->_logincode = $matches [1]; $_session[' login_step '] = 0; return $this->_logincode; } } return $result; } /** * Obtain the corresponding QR code image address by authorization code * @param string $code * @return string Image URL */ Public Function get_code_image ($code = ") { if ($code = = ") $code = $this->_logincode; if (! $code) return false; Return ' http://login.weixin.qq.com/qrcode/'. $this->_logincode. '? T=webwx '; } /** * Set the authorization code corresponding to the QR code * @param string $code * @return Class $this */ Public Function Set_login_code ($code) { $this->_logincode = $code; return $this; } /** * QR Code Login Verification * * @return Status: * >=400:invaild code; 408:not Auth and wait, 400,401:not valid or expired * 201:just scaned but not confirm * 200:confirm then you can get user info */ Public Function Verify_code () { if (! $this->_logincode) return false; $t = Time (). Strval (Mt_rand (100,999)); $url = ' https://login.weixin.qq.com/cgi-bin/mmwebwx-bin/login?uuid= '. $this->_logincode. ' &tip=1&_= '. $t; $send _snoopy = new Snoopy; $send _snoopy->referer = "https://wx.qq.com/"; $send _snoopy->fetch ($url); $result = $send _snoopy->results; $this->log (' Step1: '. $result); if ($result) { Preg_match ("/window\.code= (\d+)/", $result, $matches); if (count ($matches) >1) { $status = Intval ($matches [1]); if ($status ==201) $_session[' login_step '] = 1; if ($status ==200) { Preg_match ("/ticket= ([0-9a-z-_]+) &lang=zh_cn&scan= (\d+)/", $result, $matches); $this->log (' Step2: '. Print_r ($matches, true)); if (count ($matches) >1) { $ticket = $matches [1]; $scan = $matches [2]; $loginurl = ' https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket= '. $ticket. ' &lang=zh_cn&scan= '. $scan. ' &fun=new '; $send _snoopy = new Snoopy; $send _snoopy->referer = "https://wx.qq.com/"; $send _snoopy->fetch ($loginurl); $this->log (' step3: '. Print_r ($send _snoopy->headers,true)); foreach ($send _snoopy->headers as $key = + $value) { $value = Trim ($value); if (Strpos ($value, ' Set-cookie: ')!== false) { $tmp = Str_replace ("Set-cookie:", "", $value); $tmp = Str_replace ("path=/", "", $tmp); $tmp = Str_replace ("domain=.qq.com;", "", $tmp); $cookie. = $tmp; } } $cookie. = "domain=.qq.com;"; $this->cookie = $cookie; $this->savecookie ($this->_cookiename, $this->cookie); } } return $status; } } return false; } /** * Access to login cookies * * @param bool $is Whether _array is returned numerically, default no, returns a string * @return String|array */ Public Function Get_login_cookie ($is _array = False) { if (! $is _array) return $this->cookie; $c _arr = explode ('; ', $this->cookie); $cookie = Array (); foreach ($c _arr as $item) { $kitem = explode (' = ', trim ($item)); if (count ($kitem) >1) { $key = Trim ($kitem [0]); $val = Trim ($kitem [1]); if (!empty ($val)) $cookie [$key] = $val; } } return $cookie; } /** * Access to user login information after authorized login */ Public Function Get_login_info () { if (! $this->cookie) return false; $t = Time (). Strval (Mt_rand (100,999)); $send _snoopy = new Snoopy; $submit = ' https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r= '. $t; $send _snoopy->rawheaders[' Cookie ']= $this->cookie; $send _snoopy->referer = "https://wx.qq.com/"; $send _snoopy->submit ($submit, Array ()); $this->log (' Login_info: '. $send _snoopy->results); $result = Json_decode ($send _snoopy->results,true); if ($result [' baseresponse '] [' Ret ']<0) return false; $this->_login_user = $result [' user ']; return $result; } /** * Get Avatar * @param string $url Pass in the avatar address obtained from the user information interface */ Public Function Get_avatar ($url) { if (! $this->cookie) return false; if (Strpos ($url, ' http ') ===false) { $url = ' http://wx.qq.com '. $url; } $send _snoopy = new Snoopy; $send _snoopy->rawheaders[' Cookie ']= $this->cookie; $send _snoopy->referer = "https://wx.qq.com/"; $send _snoopy->fetch ($url); $result = $send _snoopy->results; if ($result) return $result; Else return false; } /** * Log out of the current login user */ Public Function logout () { if (! $this->cookie) return false; Preg_match ("/wxuin= (\w+);/", $this->cookie, $matches); if (count ($matches) >1) $uid = $matches [1]; Preg_match ("/wxsid= (\w+);/", $this->cookie, $matches); if (count ($matches) >1) $sid = $matches [1]; $this->log (' logout:uid= '. $uid. '; Sid= '. $sid); $send _snoopy = new Snoopy; $submit = ' https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxlogout?redirect=1&type=1 '; $send _snoopy->rawheaders[' Cookie ']= $this->cookie; $send _snoopy->referer = "https://wx.qq.com/"; $send _snoopy->submit ($submit, Array (' UIn ' + $uid, ' sid ' = $sid)); $this->deletecookie ($this->_cookiename); return true; } } Copy Code

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