A login verification class written in php

A login verification class written in php

Final class UserLogin { Public function _ construct (){ } Public static function getUserInfo (){ If (isset ($ _ COOKIE ["user_id"]) & $ _ COOKIE ["user_id"] & (trim ($ _ COOKIE ["user_id"])! = "")){ If (isset ($ _ SESSION ["USER_INFO"]) Return $ _ SESSION ["USER_INFO"]; $ Dao = new UserDao (); $ User = $ dao-> find ($ _ COOKIE ["user_id"]); If ($ user ){ $ _ SESSION ["USER_INFO"] = $ user; Setcookie ("docloud_sid", session_id (), time () + 36000 ); Setcookie ("user_id", $ _ COOKIE ["user_id"], time () + 36000 ); If (array_key_exists ("selected_prj_id", $ _ COOKIE )) Setcookie ("selected_prj_id", $ _ COOKIE ["selected_prj_id"], time () + 36000 ); If (array_key_exists ("selected_class_id", $ _ COOKIE )) Setcookie ("selected_class_id", $ _ COOKIE ["selected_class_id"], time () + 36000 ); If (array_key_exists ("selected_image_id", $ _ COOKIE )) Setcookie ("selected_image_id", $ _ COOKIE ["selected_image_id"], time () + 36000 ); If (array_key_exists ("test_image_ids", $ _ COOKIE )) Setcookie ("test_image_ids", $ _ COOKIE ["test_image_ids"], time () + 36000 ); If (array_key_exists ("upload_image_ids", $ _ COOKIE )) Setcookie ("upload_image_ids", $ _ COOKIE ["upload_image_ids"], time () + 36000 ); Return $ user; } } Self: clearCookie (); Return null; } Public static function setUserInfo ($ userInfo ){ $ _ SESSION ["USER_INFO"] = $ userInfo; Setcookie ("docloud_sid", session_id (), time () + 36000 ); Setcookie ("user_id", $ userInfo-> getId (), time () + 36000 ); } Public static function isLogin (){ If (self: getUserInfo ()){ Return true; } Return false; } Public static function delUserInfo (){ Self: clearCookie (); Session_destroy (); } Private static function clearCookie (){ Setcookie ("docloud_sid", "", time ()-36000 ); Setcookie ("user_id", "", time ()-36000 ); Setcookie ("selected_prj_id", "", time ()-36000 ); Setcookie ("selected_class_id", "", time ()-36000 ); Setcookie ("selected_image_id", "", time ()-36000 ); Setcookie ("test_image_ids", "", time ()-36000 ); Setcookie ("upload_image_ids", "", time ()-36000 ); } } /** * Validator for Login. */ Final class LoginValidator { Private function _ construct (){ } /** * Validate the given username and password. * @ Param $ username and $ password to be validated * @ Return array of {@ link Error} s */ Public static function validate ($ username, $ password ){ $ Errors = array (); $ Username = trim ($ username ); If (! $ Username ){ $ Errors [] = new Error ('username', 'user name cannot be blank. '); } Elseif (strlen ($ username) <3 ){ $ Errors [] = new Error ('username', 'user name length cannot be less than 3 characters. '); } Elseif (strlen ($ username)> 30 ){ $ Errors [] = new Error ('username', 'the username length cannot exceed 30 characters. '); } Elseif (! Preg_match ('/^ [A-Za-z] + $/', substr ($ username, 0, 1 ))){ $ Errors [] = new Error ('username', 'the user name must start with a letter. '); } Elseif (! Preg_match ('/^ [A-Za-z0-9 _] + $/', $ username )){ $ Errors [] = new Error ('username', 'user name can only be a combination of letters, numbers, and underscores. '); } Elseif (! Trim ($ password )){ $ Errors [] = new Error ('password', 'the password cannot be blank. '); } Else { // Check whether use exists or not $ Dao = new UserDao (); $ User = $ dao-> findByName ($ username ); If ($ user ){ If (! ($ User-> getPassword () = sha1 ($ user-> getSalt (). $ password ))){ $ Errors [] = new Error ('password', 'the user name or password is incorrect. '); } } Else { $ Errors [] = new Error ('username', 'user name does not exist. '); } } Return $ errors; } } /** * Validation error. */ Final class Error { Private $ source; Private $ message; /** * Create new error. * @ Param mixed $ source of the error * @ Param string $ message error message */ Function _ construct ($ source, $ message ){ $ This-> source = $ source; $ This-> message = $ message; } /** * Get source of the error. * @ Return mixed source of the error */ Public function getSource (){ Return $ this-> source; } /** * Get error message. * @ Return string error message */ Public function getMessage (){ Return $ this-> message; } } // If logged in, the jump class of the logout page will not be repeated here in the http://www.cnblogs.com/setsail/archive/2012/12/18/2823231.html If (UserLogin: isLogin () & $ _ COOKIE ["user_id"] = 1 ){ UserLogin: delUserInfo (); } Elseif (UserLogin: isLogin ()){ Utils: redirect ('Welcome '); } $ Username = null; $ Password = null; $ Msg = ""; If (isset ($ _ POST ['username']) & isset ($ _ POST ['password']) { $ Username = addslashes (trim (stripslashes ($ _ POST ['username']); $ Password = addslashes (trim (stripslashes ($ _ POST ['password']); // Validate $ Errors = LoginValidator: validate ($ username, $ password ); If (empty ($ errors )){ // Save $ Dao = new UserDao (); $ User = $ dao-> findByName ($ username ); $ Last_login_ip = Utils: getIpAddress (); $ User-> setLastLoginIp ($ last_login_ip ); $ Now = new DateTime (); $ User-> setLastLoginTime ($ now ); $ Dao-> save ($ user ); UserLogin: setUserInfo ($ user ); Flash: addFlash ('login successful! '); Utils: redirect ('Welcome '); } Foreach ($ errors as $ e ){ $ Msg. = $ e-> getMessage ()." "; } } ?>