Fix Bug 430
parent
8d30ecc584
commit
adc9daef98
38
Script.php
38
Script.php
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@ -37,9 +37,17 @@ function is_valid_student_number($student_id)
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if (!empty($_POST["form_signup"])) {
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$student_id = trim(mysqli_real_escape_string($con, $_POST["user_student_id"]));
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$_SESSION['user_fullname'] = $_POST["fullname"];
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$_SESSION['user_fullname_temp'] = $_POST["fullname"];
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$_SESSION['user_email'] = $_POST["email"];
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$_SESSION['user_student_id_temp'] = $_POST["user_student_id"];
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// validate student number
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if (!is_valid_student_number($student_id)) {
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$_SESSION["info_signup"] = "Invalid student number.";
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$_SESSION['user_fullname'] = null;
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header("Location: signup.php");
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return;
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}
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@ -48,6 +56,10 @@ if (!empty($_POST["form_signup"])) {
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$result = mysqli_query($con, "SELECT * FROM `students_data` WHERE Student_ID='$student_id'");
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if (mysqli_num_rows($result) == 0) {
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$_SESSION["info_signup"] = "Your entered student number could not be verified. Please contact Student Management Office <lanhui at zjnu.edu.cn>. Thanks.";
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$_SESSION['user_fullname'] = null;
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header("Location: signup.php");
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return;
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}
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@ -58,6 +70,7 @@ if (!empty($_POST["form_signup"])) {
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$student_result = mysqli_query($con, "SELECT * FROM `users_table` WHERE Student_ID='$student_id'");
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if (mysqli_num_rows($student_result) > 0) {
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$_SESSION["info_signup"] = "This Student ID is already in use! Please contact Student Management Office <lanhui at zjnu.edu.cn> for help.";
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$_SESSION['user_fullname'] = null;
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header("Location: signup.php");
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return;
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}
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@ -70,10 +83,9 @@ if (!empty($_POST["form_signup"])) {
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$email = mysqli_real_escape_string($con, $_POST["email"]);
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$password = mysqli_real_escape_string($con, $_POST["password"]);
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$confirmpassword = mysqli_real_escape_string($con, $_POST["confirmpassword"]);
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$_SESSION['user_fullname'] = $fullname;
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$_SESSION['user_student_id'] = $_POST["student_id"];
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$_SESSION['user_type'] = "Student";
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$_SESSION['user_email'] = $email;
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$_SESSION['user_student_id'] = $student_id;
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// check confirmed password
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if (strcasecmp($password, $confirmpassword) != 0) {
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@ -86,6 +98,8 @@ if (!empty($_POST["form_signup"])) {
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// validate email
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if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
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$_SESSION['info_signup'] = "Invalid email address.";
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$_SESSION['user_fullname'] = null;
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header("Location: signup.php");
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return;
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}
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@ -99,6 +113,8 @@ if (!empty($_POST["form_signup"])) {
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// check for strong password
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if (!$containsAll) {
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$_SESSION['info_signup'] = "Password must have at least characters that include lowercase letters, uppercase letters, numbers and special characters (e.g., !?.,*^).";
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$_SESSION['user_fullname'] = null;
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header("Location: signup.php");
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return;
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}
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@ -117,6 +133,9 @@ if (!empty($_POST["form_signup"])) {
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$sql = "INSERT INTO `users_table`(`Email`, `Password`, `Full_Name`, `UserType`, `Student_ID`) VALUES "
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. "('$email','$password_hash','$fullname','Student','$student_id')";
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$_SESSION['user_fullname'] =$_SESSION['user_fullname_temp'];
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if ($con->query($sql) === TRUE) {
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header("Location: Courses.php");
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} else {
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@ -131,11 +150,15 @@ if (!empty($_POST["form_login"])) {
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$user = mysqli_real_escape_string($con, $_POST["user"]); // user could be a 12-digit student number or an email address
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$is_student_number = 0;
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$_SESSION["failed_login_user"] = $user; // Save the entered username in a session variable
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echo "Failed login user: " . $_SESSION["failed_login_user"];
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// Validate student number
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if (is_valid_student_number($user)) {
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$is_student_number = 1;
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}
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// Validate email address if what provided is not a student number
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if (!$is_student_number && !filter_var($user, FILTER_VALIDATE_EMAIL)) {
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$_SESSION["info_login"] = "Invalid email address: " . "$user";
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@ -177,10 +200,19 @@ if (!empty($_POST["form_login"])) {
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header("Location: Admin.php");
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}
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// report wrong pass if not correct
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return;
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} else {
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$_SESSION["wrong_pass"] = "Wrong Password.";
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echo $_SESSION["wrong_pass"]; // Optional: Display the error message for debugging
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header("Location: index.php");
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exit(); // Add this line to prevent further execution after redirect
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}
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// Add the following line to reset the session variable when needed
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unset($_SESSION["failed_login_user"]);
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}
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}
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}
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@ -30,7 +30,7 @@ if (isset($_SESSION["user_fullname"])) {
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<legend>Sign in</legend>
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<input type="hidden" name="form_login" value="true"/>
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<label for="user_name" class="form-label">Account name</label>
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<input type="text" name="user" placeholder="Student Number / Email address" class="form-control" required="required" id="user_name" />
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<input type="text" name="user" placeholder="Student Number / Email address" class="form-control" required="required" id="user_name" value="<?php echo isset($_SESSION['failed_login_user']) ? htmlspecialchars($_SESSION['failed_login_user']) : ''; ?>" />
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<br>
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<label for="user_password" class="form-label">Password</label>
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<input type="password" class="form-control" name="password" placeholder="password" required="required" id="user_password" />
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@ -22,10 +22,10 @@ include 'Header.php';
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<input type="hidden" name="form_signup" value="true" />
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Full Name
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<input type="text" name="fullname" placeholder="Your full name" class="form-control" value="<?php echo $_SESSION['user_fullname']; ?>" required="required" id="full_name"/> <br>
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<input type="text" name="fullname" placeholder="Your full name" class="form-control" value="<?php echo isset($_SESSION['user_fullname_temp']) ? $_SESSION['user_fullname_temp'] : ''; ?>" required="required" id="full_name"/> <br>
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Student ID
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<input type="text" name="user_student_id" placeholder="Entre your student ID" class="form-control" value="<?php echo $_SESSION['user_student_id']; ?>" required="required" id="student_id"> <br>
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<input type="text" name="user_student_id" placeholder="Entre your student ID" class="form-control" value="<?php echo isset($_SESSION['user_student_id_1']) ? $_SESSION['user_student_id_temp'] : ''; ?>" required="required" id="student_id"> <br>
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Email
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<input type="text" name="email" placeholder="Email" class="form-control" value="<?php echo $_SESSION['user_email']; ?>" required="required" id="email" /> <br>
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