PHP userExists函数代码示例

 public function activate($code, $userId)
 {
     $rs = array('status' => '', 'note' => '');
     if (!userExists($userId)) {
         $rs['status'] = 'Fail';
         $rs['note'] = 'User does not exists';
         return $rs;
     }
     $activated = DI()->notorm->User->select('activated')->where('id', $userId);
     $activated = $activated['activated'];
     if ($activated == 1) {
         $rs['status'] = 'Fail';
         $rs['note'] = 'Already Activated';
         return $rs;
     }
     $ac = DI()->notorm->User->select('activationCode')->where('id', $userId);
     $ac = $ac['activationCode'];
     if ($code == $ac) {
         $rs['status'] = 'Success';
         return $rs;
     } else {
         $rs['status'] = 'Fail';
         $rs['note'] = 'Activation does not match';
         return $rs;
     }
 }

function checkForm()
{
    global $first_name, $last_name, $login, $password1, $password2, $email;
    try {
        $secret = filter_input(INPUT_POST, 'secret');
        if (empty($last_name) || empty($first_name) || empty($login) || empty($password1) || empty($password2) || empty($email) || empty($secret)) {
            throw new Exception('Нужно заполнить  все поля');
        }
        if (!validLogin($login)) {
            throw new Exception('Логин должен состоять из не мене 3-х букв латинского алфавиа цыфр и подчерка');
        }
        if (!validEmail($email)) {
            throw new Exception('Неправильный email');
        }
        if ($password1 != $password1) {
            throw new Exception('Пароли не совпадают');
        }
        if (!validUserName($first_name, $last_name)) {
            throw new Exception('Имя и фамилия могут состоять только из букв');
        }
        if (userExists($login, $email)) {
            throw new Exception('Такой логин или email уже существует.');
        }
        if ($secret != $_SESSION['secret']) {
            throw new Exception('Неверно указано число с картинки');
        }
    } catch (Exception $exc) {
        return $exc->getMessage();
    }
}

function addNewUser()
{
    // globals
    global $DB;
    global $MySelf;
    global $MB_EMAIL;
    // Sanitize the input.
    $USERNAME = $MySelf->getUsername;
    $NEW_USER = strtolower(sanitize($_POST[username]));
    // supplied new username.
    if (!ctypeAlnum($NEW_USER)) {
        makeNotice("Only characters a-z, A-Z and 0-9 are allowed as username.", "error", "Invalid Username");
    }
    /* Password busines */
    if ($_POST[pass1] != $_POST[pass2]) {
        makeNotice("The passwords did not match!", "warning", "Passwords invalid", "index.php?action=newuser", "[retry]");
    }
    $PASSWORD = encryptPassword("{$_POST['pass1']}");
    $PASSWORD_ENC = $PASSWORD;
    /* lets see if the users (that is logged in) has sufficient
     * rights to create even the most basic miner. Level 3+ is
     * needed.
     */
    if (!$MySelf->canAddUser()) {
        makeNotice("You are not authorized to do that!", "error", "Forbidden");
    }
    // Lets prevent adding multiple users with the same name.
    if (userExists($NEW_USER) >= 1) {
        makeNotice("User already exists!", "error", "Duplicate User", "index.php?action=newuser", "[Cancel]");
    }
    // So we have an email address?
    if (empty($_POST[email])) {
        // We dont!
        makeNotice("You need to supply an email address!", "error", "Account not created");
    } else {
        // We do. Clean it.
        $NEW_EMAIL = sanitize($_POST[email]);
    }
    // Inser the new user into the database!
    $DB->query("insert into users (username, password, email, addedby, confirmed) " . "values (?, ?, ?, ?, ?)", array("{$NEW_USER}", "{$PASSWORD_ENC}", "{$NEW_EMAIL}", $MySelf->getUsername(), "1"));
    // Were we successfull?
    if ($DB->affectedRows() == 0) {
        makeNotice("Could not create user!", "error");
    } else {
        // Write the user an email.
        global $SITENAME;
        $mail = getTemplate("newuser", "email");
        $mail = str_replace('{{USERNAME}}', "{$NEW_USER}", $mail);
        $mail = str_replace('{{PASSWORD}}', "{$PASSWORD}", $mail);
        $mail = str_replace('{{SITE}}', "http://" . $_SERVER['HTTP_HOST'] . "/", $mail);
        $mail = str_replace('{{CORP}}', "{$SITENAME}", $mail);
        $mail = str_replace('{{CREATOR}}', "{$USERNAME}", $mail);
        $to = $NEW_EMAIL;
        $DOMAIN = $_SERVER['HTTP_HOST'];
        $subject = "Welcome to MiningBuddy";
        $headers = "From:" . $MB_EMAIL;
        mail($to, $subject, $mail, $headers);
        makeNotice("User added and confirmation email sent.", "notice", "Account created", "index.php?action=editusers");
    }
}

/**
 * Function called before changing user attributes
 * @param $FH FormHandler of the page
 * @param $mode add or edit mode
 */
function _base_verifInfo($FH, $mode)
{
    global $error;
    $base_errors = "";
    $uid = $FH->getPostValue("uid");
    $pass = $FH->getPostValue("pass");
    $confpass = $FH->getPostValue("confpass");
    $homedir = $FH->getPostValue("homeDirectory");
    $primary = $FH->getPostValue("primary");
    $firstname = $FH->getPostValue("givenName");
    $lastname = $FH->getPostValue("sn");
    if (!preg_match("/^[a-zA-Z0-9][A-Za-z0-9_.-]*\$/", $uid)) {
        $base_errors .= _("User's name invalid !") . "<br/>";
        setFormError("uid");
    }
    if ($mode == "add" && $uid && userExists($uid)) {
        $base_errors .= sprintf(_("The user %s already exists."), $uid) . "<br/>";
        setFormError("uid");
    }
    if ($mode == "add" && $pass == '') {
        $base_errors .= _("Password is empty.") . "<br/>";
        setFormError("pass");
    }
    if ($mode == "add" && $lastname == '') {
        $base_errors .= _("Last name is empty.") . "<br/>";
        setFormError("sn");
    }
    if ($mode == "add" && $firstname == '') {
        $base_errors .= _("First name is empty.") . "<br/>";
        setFormError("givenName");
    }
    if ($pass != $confpass) {
        $base_errors .= _("The confirmation password does not match the new password.") . " <br/>";
        setFormError("pass");
        setFormError("confpass");
    }
    /* Check that the primary group name exists */
    if (!strlen($primary)) {
        $base_errors .= _("The primary group field can't be empty.") . "<br />";
        setFormError("primary");
    } else {
        if (!existGroup($primary)) {
            $base_errors .= sprintf(_("The group %s does not exist, and so can't be set as primary group."), $primary) . "<br />";
            setFormError("primary");
        }
    }
    /* Check that the homeDir does not exists */
    if ($mode == "add") {
        if ($FH->getPostValue("createHomeDir") == "on" && $FH->getPostValue("ownHomeDir") != "on" && $uid) {
            getHomeDir($uid, $FH->getValue("homeDirectory"));
        }
    } else {
        /* If we want to move the userdir check the destination */
        if ($FH->isUpdated("homeDirectory")) {
            getHomeDir($uid, $FH->getValue("homeDirectory"));
        }
    }
    $error .= $base_errors;
    return $base_errors ? 1 : 0;
}

function isFieldsEmpty($loginDetails, $errorMsg)
{
    if (isEmpty($loginDetails)) {
        userExists($loginDetails, $errorMsg);
    } else {
        $errorMsg = "Username and/or password fields cannot be left blank";
        errorMessage($errorMsg);
    }
}

function userAdd($userData)
{
    $user = $userData['user'];
    $password = $userData['password'];
    $password = md5($password);
    if (userExists($user)) {
        return false;
    }
    $query = "INSERT INTO `user` (`user`,`password`) VALUES ('{$user}','{$password}')";
    $result = userQuery($query);
    return $result != null;
}

function login()
{
    if (isset($_POST['username'])) {
        $db = new mysqli('localhost', 'root', 'root', 'gurucodertutorial_login');
        $username = $db->real_escape_string($_POST['username']);
        $password = $db->real_escape_string($_POST['password']);
        if (userExists($username)) {
            if (verifyPassword($username, $password)) {
                header('Location: /GuruCoder-Tutorials/login.php?message=Successfully logged in');
            } else {
                header('Location: /GuruCoder-Tutorials/login.php?message=Incorrect password');
            }
        } else {
            header('Location: /GuruCoder-Tutorials/login.php?message=No user exists');
        }
    }
}

function doLogin()
{
    if (!isset($_POST['username']) || !isset($_POST['password'])) {
        return 'Du hast ein Feld vergessen zu senden!';
    }
    $username = $_POST['username'];
    $password = $_POST['password'];
    if (!userExists($username)) {
        return 'Dieser Benuzter existiert nicht!';
    }
    $userid = isUserPasswordCorrect($username, $password);
    if ($userid === false) {
        return 'Dein Passwort stimmt nicht!';
    } else {
        login($username, $userid);
        $info = getUserInfo($userid);
        $_SESSION['userinfo'] = $info;
        return true;
    }
}

 public static function insertUser($name, $surname, $email, $password, $address, $city)
 {
     if (!userExists($email)) {
         $name = mysql_real_escape_string($name);
         $surname = mysql_real_escape_string($surname);
         $email = mysql_real_escape_string($email);
         $password = mysql_real_escape_string($password);
         $address = mysql_real_escape_string($address);
         $city = mysql_real_escape_string($city);
         $query = "INSERT INTO users(first_name, last_name, email, password, address, city) VALUES \\\n                    (" . $name . "," . $surname . "," . $email . "," . $password . "," . $address . "," . $city . ")";
         $result = Database::getInstance()->doInsert($query);
         if ($result) {
             header("location:../public/contest.html");
         } else {
             header("location:../public/register.html");
         }
     } else {
         header("location:../public/register.html");
     }
 }

function isValidUsername($username)
{
    if (userExists($username) or strlen($username) < 3) {
        return false;
    } else {
        $valid_chars = array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9');
        $string = strtolower($username);
        $nsize = strlen($string);
        $x = 0;
        $found = false;
        while ($x < $nsize) {
            if (in_array($string[$x], $valid_chars)) {
            } else {
                $found = true;
            }
            $x++;
        }
        if ($found) {
            return false;
        } else {
            return true;
        }
    }
}

<?php

header('Content-type: application/json');
chdir("..");
chdir("database");
require_once "users.php";
if (isset($_GET["email"]) and isset($_GET["password"]) and userExists((string) $_GET["email"]) and getUserStatus((string) $_GET["email"]) == "active") {
    $email = (string) $_GET["email"];
    $password = (string) $_GET["password"];
    if (checkUserLogin($email, $password)) {
        echo json_encode(array("result" => "ok"));
    } else {
        echo json_encode(array("result" => "invalidLogin"));
    }
} else {
    echo json_encode(array("result" => "missingParams"));
}

header('Content-type: application/json');
chdir("../..");
chdir("database");
require_once "users.php";
chdir("..");
require_once "configuration.php";
/**
 * DESCRIPTION: Sets the user space
 * PARAMETERS: /api/users/setUserSpace.php <apikey> <user> <space> 
 */
if (isset($_GET['apikey']) and isset($_GET['user']) and isset($_GET['space'])) {
    $auth = (string) $_GET['apikey'];
    $user = (string) $_GET['user'];
    $space = intval($_GET['space']);
    if ($auth != $apikey) {
        echo json_encode(array("result" => "permissionDenied"));
    } else {
        if (!userExists($user)) {
            echo json_encode(array("result" => "invalidUser"));
        } else {
            $valid = updateUserSpaceUsed($user, $space);
            if ($valid) {
                echo json_encode(array("result" => "ok"));
            } else {
                echo json_encode(array("result" => "notEnoughSpace"));
            }
        }
    }
} else {
    return json_encode(array("result" => "missingParams"));
}

<?php

require "init.php";
require_once 'CamsDatabase.php';
require_once 'users.php';
if (!empty($_POST)) {
    $username = htmlspecialchars($_POST['userid']);
    $password = htmlspecialchars($_POST['password']);
    if (empty($username) || empty($password)) {
        $_SESSION["login_error"] = 'User Name and Password cannot be blank';
    } else {
        if (!userExists($username)) {
            $_SESSION["login_error"] = 'User Does not exist.';
        } else {
            $user = userLogin($username, $password);
            if (!$user) {
                $_SESSION["login_error"] = 'incorrect password';
            } else {
                $_SESSION['FirstName'] = $user['FirstName'];
                $_SESSION['LastName'] = $user['LastName'];
                $_SESSION['userid'] = $user['userid'];
                $_SESSION['Email'] = $user['Email'];
                $_SESSION['Empno'] = $user['Empno'];
                $_SESSION['Phone'] = $user['Phone'];
                $_SESSION['Role'] = $user['Role'];
                $_SESSION['Agy'] = $user['Agy'];
                $_SESSION['Dpt'] = $user['Dpt'];
            }
        }
    }
    header('Location: ../index.php');

function require_login($wanted = "")
{
    $username = null;
    $password = null;
    if (isset($_SERVER["PHP_AUTH_USER"])) {
        $username = $_SERVER["PHP_AUTH_USER"];
        $password = $_SERVER["PHP_AUTH_PW"];
    }
    if (is_null($username)) {
        headauth("Voce precisa fazer login para continuar!");
    } else {
        if (!userExists($username)) {
            headauth("Esse usuario nao existe!");
        }
        if ($username !== $wanted && $wanted != "") {
            headauth("Esse login nao e o correto!");
        }
        if (!isright($username, $password)) {
            headauth("Senha incorreta!");
        }
    }
}

 if ($mode == "SEND") {
     $pid = clean($_POST['pid']);
     $uid = clean($_POST['uid']);
     $ident = clean($_POST['ident']);
     $to = clean($_POST['to']);
     $from = clean($_POST['from']);
     $message = clean($_POST['message']);
     $pluginname = "xMail";
     if (isset($_POST['pluginOwner'])) {
         $pluginname = clean($_POST['pluginOwner']);
     }
     $attachments = "";
     // Check API key
     check_key($ip, $mode, $key, $from);
     if (valid($pid) && valid($uid) && valid($ident) && valid($to) && valid($from) && valid($message) && valid($pluginname)) {
         if (userExists($to)) {
             if ($ident == "S") {
                 if (!isSpam($to, $from, $message)) {
                     if (!$debug) {
                         mysql_query("INSERT INTO `mail` (`to`, `from`, `message`, `unread`, `complex`, `sent`, `sent_from`, `pluginname`) VALUES ('{$to}', '{$from}', '{$message}', '1', '0', '{$now}', '{$ip}', '{$pluginname}')") or die(mysql_error());
                     }
                     onSend($to, $from, $message);
                     echo json_encode(array("message" => "Message sent!", "status" => "OK"));
                 } else {
                     echo json_encode(array("message" => "Spam", "status" => "ERROR"));
                 }
             } else {
                 if ($ident == "C") {
                     $message = str_replace("&", "&", $message);
                     $message = str_replace("§", "?", $message);
                     $parts = explode(";", $message);