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Script.php
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<?php
/*
* This Contains the main Server-side scripts for the project
* session_destroy();
*
*
*/
session_start();
date_default_timezone_set('Asia/Shanghai');
// CONNeCTION
$con=mysqli_connect("localhost","Teecloudy","5q7Ol2e!#!","lrr");
// Check connection
if (mysqli_connect_errno())
{
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
// else
// {
// echo "Connected";
// }
error_reporting(0);
if (!empty($_POST["frm_signup_1"])) {
$student_id=mysqli_real_escape_string($con,$_POST["student_id"]);
$passport=mysqli_real_escape_string($con,$_POST["passport"]);
echo $student_id.' and '.$passport;
$result = mysqli_query($con,
"SELECT * FROM `students_data` WHERE Student_ID='$student_id'");
// Just removed this condition from the above command and (Passport_Number='$passport' or Passport_Number = '')
if(mysqli_num_rows($result)==0)
{
$_SESSION["info_signup1"]="Student Information could not be verified ! Plaese contact student Management Office.";
header("Location: index.php");
return;
}
$result98 = mysqli_query($con,
"SELECT * FROM `users_table` WHERE Student_ID='$student_id'");
if(mysqli_num_rows($result98)==0)
{
$_SESSION['user_passport']=$passport;
$_SESSION['user_student_id']=$student_id;
header("Location: signup.php");
return;
}
else
{
$_SESSION["info_signup1"]="Student ID already Used ! Please contact student Management Office if you could not login to your account.";
header("Location: index.php");
return;
}
}
// ############################### CREATE STUDENT USER ##################################
if (!empty($_POST["frm_signup_2"])) {
$email=mysqli_real_escape_string($con,$_POST["email"]);
$password=mysqli_real_escape_string($con,$_POST["password"]);
$confirmpassword=mysqli_real_escape_string($con,$_POST["confirmpassword"]);
$fullname=mysqli_real_escape_string($con,$_POST["fullname"]);
$student_id=$_SESSION['user_student_id'];
$passport= $_SESSION['user_passport'];
$_SESSION['user_fullname']=$fullname;
$_SESSION['user_type']="Student";
$_SESSION['user_email']=$email;
// check confirmed password
if ( strcasecmp( $password, $confirmpassword ) != 0 ){
$_SESSION['info_signup2']="Incorrect Password confirmation";
header("Location: signup.php");
return;
}
// $containsLetter = preg_match('/[a-zA-Z]/', $password);
// $containsDigit = preg_match('/\d/', $password);
// $containsSpecial = preg_match('/[^a-zA-Z\d]/', $password);
$upperLetter = preg_match('@[A-Z]@', $password);
$smallLetter = preg_match('@[a-z]@', $password);
$containsDigit = preg_match('@[0-9]@', $password);
$containsSpecial = preg_match('@[^\w]@', $password);
$containsAll = $upperLetter && $smallLetter && $containsDigit && $containsSpecial;
// check for strong password
if($containsAll < 8)
{
$_SESSION['info_signup2']="Password should contain Letters , Numbers and sepcial characters";
header("Location: signup.php");
return;
}
// check if email is taked
$result = mysqli_query($con,
"SELECT * FROM Users_Table WHERE email='$email'");
if(mysqli_num_rows($result)!=0)
{
$_SESSION["info_signup2"]="Email adress : ".$email." is already used.";
header("Location: signup.php");
return;
}
//applying password_hash()
$sha512=hash('sha512', $password);
$password_hash = password_hash($password, PASSWORD_DEFAULT);
$sql= "INSERT INTO `users_table`(`Email`, `Password`, `HashPassword`, `Full_Name`, `UserType`, `Student_ID`, `Passport_Number`) VALUES "
. "('$email','$password_hash','$sha512','$fullname','Student','$student_id','$passport')";
if ($con->query($sql) === TRUE) {
header("Location: Courses.php");
} else {
echo "Error: " . $sql . "<br>" . $con->error;
}
}
// ################################ LOGIN #####################################
if (!empty($_POST["frm_login"])) {
$user=mysqli_real_escape_string($con,$_POST["user"]);
$password=mysqli_real_escape_string($con,$_POST["password"]);
// $hashed_password=hash('sha512', $password); Not necessary in the login
$result = mysqli_query($con, "SELECT * FROM users_table WHERE (Email='$user')");
if(mysqli_num_rows($result)==0)
{
$_SESSION["info_login"]="Inavlid login Information.";
echo $_SESSION["info_login"];
header("Location: index.php");
}
else
{
while($row = mysqli_fetch_assoc($result)) {
// verify the hashed password and unhashed password
$sha512pass = hash('sha512', $password); // for backward compatibility. Old passwords were hashed using SHA512 algorithm.
if(password_verify($password, $row["Password"]) or $sha512pass == $row["HashPassword"] or $password == $row["Password"]){
$_SESSION['user_id']=$row['User_ID'];
$_SESSION['user_email']=$row['Email'];
$_SESSION['user_student_id']=$row['Student_ID'];
$_SESSION['user_type']=$row['UserType'];
$_SESSION['user_fullname']=$row['Full_Name'];
if( $_SESSION['user_type']=="Student")
{
header("Location: Courses.php");
}
if( $_SESSION['user_type']=="Lecturer")
{
header("Location: Courses.php");
}
if( $_SESSION['user_type']=="TA")
{
header("Location: Courses.php");
}
if( $_SESSION['user_type']=="Admin")
{
header("Location: Admin.php");
}
// report wrong pass if not correct
}else{
$_SESSION["wrong_pass"]="Wrong Password.";
echo $_SESSION["wrong_pass"];
header("Location: index.php");
}
}
}
}
// ################################ Recover Password #####################################
if (!empty($_POST["frm_recover_password"])) {
$email=mysqli_real_escape_string($con,$_POST["email"]);
$result = mysqli_query($con,
"SELECT * FROM Users_Table WHERE email='$email'");
if(mysqli_num_rows($result)==0)
{
$_SESSION["info_recover_password"]="Email address is not recognised.";
echo "Email address was not recognised";
return;
header("Location: recover_password.php");
}
else
{
while($row = mysqli_fetch_assoc($result)) {
$userid=$row['User_ID'];
$email=urlencode($row['Email']);
$pure_email=$row['Email'];
$id=$row['Student_ID'];
$token=$userid*$userid*$userid+$userid*0.00343;
$name=$row['Full_Name'];
$link="<a href='http://118.25.96.118/nor/Reset_password.php?token=$token&email=$email'>Click Here (点击这里) </a>";
$msg=urlencode(" <h3>Lab Report Repository System - ZJNU</h3> <br> Hi <b>"
.$name.
" </b> Here is your password recovery link , "
.$link.
" to reset your password , <br> please ignore this message if you did not requested password recovery.<br><br> <hr><br><br>
您好 $name, 这是你的密码恢复链接，点击上面的链接 重置你的密码，
如果您没有请求密码恢复，请忽略此消息。 <br><br><br><br><br> <small>LRR System by Mohamed Nor. </small><hr>");
$title=urlencode("Password recovery Request for LRR system - ZJNU ");
$url="http://sms.samesoftware.com/email/send/?Subject=$title&Body=$msg&ToAddress=$email&token=s1234";
//$response = file_get_contents($url);
$ch = curl_init();
curl_setopt($ch, CURLOPT_HEADER, 0);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_URL, $url);
$data = curl_exec($ch);
if(curl_errno($ch))
echo 'Curl error: '.curl_error($ch);
curl_close ($ch);
echo $data."<hr>";
$_SESSION["info_login"]="<br> Please check your Inbox & Junk folders for the recovery email , a reset link was sent to your email <b> $pure_email </b>";
header("Location: index.php");
}
}
}
// ################################ RESET Password #####################################
if (!empty($_POST["frm_reset_password"])) {
$password=mysqli_real_escape_string($con,$_POST["password"]);
$token=mysqli_real_escape_string($con,$_POST["token"]);
$email=mysqli_real_escape_string($con,$_POST["email"]);
$result = mysqli_query($con,
"SELECT * FROM Users_Table WHERE email='$email'");
if(mysqli_num_rows($result)==0)
{
echo "invalid email";
return;
}
else
{
while($row = mysqli_fetch_assoc($result)) {
$userid=$row['User_ID'];
$email=$row['Email'];
$id=$row['Student_ID'];
$user_token=$userid*$userid*$userid+$userid*0.00343;
if($user_token==$token)
{
// Password Update
// Password Update
$hashed_password=hash('sha512', $password);
$sql= "UPDATE users_table set HashPassword='$hashed_password' where User_ID=$userid;";
if ($con->query($sql) === TRUE) {
error_reporting(0);
$_SESSION["info_login"]=" Password changed successfully , you can login now with your new password ";
header("Location: index.php");
}
else {
echo "Error: " . $sql . "<br>" . $con->error;
}
} else
{
echo "Invalid Token ";
}
}
}
}
// ############################### CREATE Lecturer/TA USER ##################################
if (!empty($_POST["frm_createlecturrer"])) {
$email=mysqli_real_escape_string($con,$_POST["email"]);
$passport=mysqli_real_escape_string($con,$_POST["passport"]);
$fullname=mysqli_real_escape_string($con,$_POST["fullname"]);
$type=mysqli_real_escape_string($con,$_POST["type"]);
$password=$passport;
// check if email is taked
$result = mysqli_query($con,
"SELECT * FROM Users_Table WHERE email='$email'");
if(mysqli_num_rows($result)!=0)
{
$_SESSION["info_Admin_Users"]="Email adress : ".$email." is already used.";
header("Location: Admin.php");
}
$sql= "INSERT INTO `users_table`(`Email`, `Password`, `Full_Name`, `UserType`, `Passport_Number`) VALUES "
. "('$email','$password','$fullname','$type','$passport')";
if ($con->query($sql) === TRUE) {
$_SESSION["info_Admin_Users"]=$type." user Created successfully : email ".$email." and $password as Password.";
header("Location: Admin.php");
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
}
// #### FUNCTION CHECK FILE TYPES ////
function is_valid($file) {
$allowed = array('pdf', 'rtf', 'jpg','png', 'doc', 'docx', 'xls', 'xlsx','sql','txt','md','py','css','html',
'cvc','c','class','cpp','h','java','sh','swift','zip','rar','ods','xlr','bak','ico','swf');
$filename = $_FILES[$file]['name'];
$ext = pathinfo($filename, PATHINFO_EXTENSION);
$result=in_array($ext,$allowed);
return $result;
}
// #### FUNCTION CREATE DIRECTORIES ////
function Create_dir($upPath)
{
try {
// full path
$tags = explode('/' ,$upPath); // explode the full path
$mkDir = "";
foreach($tags as $folder) {
$mkDir = $mkDir . $folder ."/"; // make one directory join one other for the nest directory to make
// echo '"'.$mkDir.'"<br/>'; // this will show the directory created each time
if(!is_dir($mkDir)) { // check if directory exist or not
mkdir($mkDir, 0777); // if not exist then make the directory
}
}
}
catch (Exception $e) {
}
return $upPath;
}
// ############################### #Post Assignment ##################################
if (!empty($_POST["frm_uploadlab"])) {
$course_id=mysqli_real_escape_string($con,$_POST["course_id"]);
$deadlinedate=$_POST["deadlinedate"];
$deadlinetime=$_POST["deadlinetime"];
$instructions=mysqli_real_escape_string($con,$_POST["instructions"]);
$title=mysqli_real_escape_string($con,$_POST["title"]);
$marks=mysqli_real_escape_string($con,$_POST["marks"]);
$url=mysqli_real_escape_string($con,$_POST["url"]);
$type=mysqli_real_escape_string($con,$_POST["type"]);
$deadline=$deadlinedate." ".$deadlinetime;
$date= date("Y-m-d H:i");
// GET UPLOADED FILES
$target_dir =Create_dir("Lab_Report_Assignments/".$title."/");
$rnd=rand(10,1000);
$rnd=""; // no more required , creating folder for each lab
$targetfile = $target_dir.$rnd.$_FILES['attachment1']['name'];
$targetfile2 = $target_dir.$rnd.$_FILES['attachment2']['name'];
$targetfile3 = $target_dir.$rnd.$_FILES['attachment3']['name'];
$targetfile4 = $target_dir.$rnd.$_FILES['attachment4']['name'];
//$curDateTime = date("Y-m-d H:i");
//$myDate = date("Y-m-d H:i", strtotime("2017-12-28 18:01"));
//if($curDateTime <= $myDate ){
// echo "active ".+$curDateTime." mydate= ".$myDate;
//
//}else{
// echo "inactive c=".$curDateTime;
//}
//
$count=0;
if(!is_valid("attachment1") && $_FILES["attachment1"]["name"]!="")
{
echo "Invalid File Type for Attachment 1";
return;
}
if(!is_valid("attachment2") && $_FILES["attachment2"]["name"]!="")
{
echo "Invalid File Type for Attachment 2";
return;
}
if(!is_valid("attachment3") && $_FILES["attachment3"]["name"]!="")
{
echo "Invalid File Type for Attachment 3";
return;
}
//if($_FILES["attachment1"]["error"] != 0) {
// echo "Error uploading the file ";
//return;
//}
// use 4 for missing file
if (move_uploaded_file($_FILES['attachment1']['tmp_name'], $targetfile)) {
$count++;
} else {
echo $_FILES['attachment1']['error'];
}
if (move_uploaded_file($_FILES['attachment2']['tmp_name'], $targetfile2)) {
$count++;
} else {
echo $_FILES['attachment2']['error'];
}
if (move_uploaded_file($_FILES['attachment3']['tmp_name'], $targetfile3)) {
$count++;
} else {
echo $_FILES['attachment3']['error'];
}
if (move_uploaded_file($_FILES['attachment4']['tmp_name'], $targetfile4)) {
$count++;
} else {
echo $_FILES['attachment4']['error'];
}
//}
echo $count." File(s) uploaded";
//CLEAN
$targetfile="";
$targetfile2="";
$targetfile3="";
$targetfile4="";
if($_FILES['attachment1']['name']!=""){ $targetfile="/".$title."/".$_FILES['attachment1']['name']; }
if($_FILES['attachment2']['name']!=""){ $targetfile2="/".$title."/".$_FILES['attachment2']['name']; }
if($_FILES['attachment3']['name']!=""){ $targetfile3= "/".$title."/".$_FILES['attachment3']['name']; }
if($_FILES['attachment4']['name']!=""){ $targetfile4= "/".$title."/".$_FILES['attachment4']['name']; }
// return;
$sql="INSERT INTO `lab_reports_table`(`Course_ID`, `Posted_Date`, `Deadline`, `Instructions`,
`Title`, `Attachment_link_1`, `Attachment_link_2`, `Attachment_link_3`, `Attachment_link_4`,Marks,Type)
VALUES ('$course_id','$date','$deadline','$instructions','$title','$targetfile','$targetfile2','$targetfile3','$targetfile3',$marks,'$type')";
if ($con->query($sql) === TRUE) {
$_SESSION["info_courses"]=$type." Lab Report Assignment posted successfully.";
header("Location: Courses.php?course=".$url);
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
}
function checksize($file)
{
$filename = $_FILES[$file]['name'];
$result=$_FILES["$file"]['size']/1024/1024;
//$max_upload = (int)(ini_get('upload_max_filesize'));
//$max_post = (int)(ini_get('post_max_size'));
//$memory_limit = (int)(ini_get('memory_limit'));
//$upload_mb = min($max_upload, $max_post, $memory_limit);
if($result>20)
{
return FALSE;
}
return TRUE;
}
// ############################### Submit Assignment ##################################
if (!empty($_POST["frm_submitlab"])) {
$lab_id=mysqli_real_escape_string($con,$_POST["lab_id"]);
$student_id=$_POST["student_id"];
$group_id=$_POST["group_id"];
$instructions=mysqli_real_escape_string($con,$_POST["instructions"]);
$title=mysqli_real_escape_string($con,$_POST["title"]);
$url=mysqli_real_escape_string($con,$_POST["url"]);
$deadline=$deadlinedate." ".$deadlinetime;
$date= date("Y-m-d H:i");
// GET UPLOADED FILES
$labName = mysqli_query($con,"SELECT Title FROM `lab_reports_table` WHERE Lab_Report_ID=$lab_id");
while($row = mysqli_fetch_assoc($labName)) {$lab_name=$row['Title'];}
$target_dir =Create_dir("Lab_Report_Submisions/".$student_id."/".$lab_name."/");
$targetfile = $target_dir.$_FILES['attachment1']['name'];
$targetfile2 = $target_dir.$_FILES['attachment2']['name'];
$targetfile3 = $target_dir.$_FILES['attachment3']['name'];
$targetfile4 = $target_dir.$_FILES['attachment4']['name'];
//$curDateTime = date("Y-m-d H:i");
//$myDate = date("Y-m-d H:i", strtotime("2017-12-28 18:01"));
//if($curDateTime <= $myDate ){
// echo "active ".+$curDateTime." mydate= ".$myDate;
//
//}else{
// echo "inactive c=".$curDateTime;
//}
//
$count=0;
//check zise
if(!checksize("attachment1"))
{
echo "20 MB is the maximum file size allowed";
return;
}
if(!checksize("attachment2") && $_FILES["attachment2"]["name"]!="")
{
echo "20 MB is the maximum file size allowed";
return;
}
if(!checksize("attachment3") && $_FILES["attachment3"]["name"]!="")
{
echo "20 MB is the maximum file size allowed";
return;
}
if(!is_valid("attachment1"))
{
echo "Invalid File Type for Attachment 1";
return;
}
if(!is_valid("attachment2") && $_FILES["attachment2"]["name"]!="")
{
echo "Invalid File Type for Attachment 2";
return;
}
if(!is_valid("attachment3") && $_FILES["attachment3"]["name"]!="")
{
echo "Invalid File Type for Attachment 3";
return;
}
if($_FILES["attachment1"]["error"] != 0) {
echo "Error uploading the file ";
return;
}
// use 4 for missing file
if (move_uploaded_file($_FILES['attachment1']['tmp_name'], $targetfile)) {
$count++;
} else {
echo $_FILES['attachment1']['error'];
}
if (move_uploaded_file($_FILES['attachment2']['tmp_name'], $targetfile2)) {
$count++;
} else {
echo $_FILES['attachment2']['error'];
}
if (move_uploaded_file($_FILES['attachment3']['tmp_name'], $targetfile3)) {
$count++;
} else {
echo $_FILES['attachment3']['error'];
}
if (move_uploaded_file($_FILES['attachment4']['tmp_name'], $targetfile4)) {
$count++;
} else {
echo $_FILES['attachment4']['error'];
}
//}
echo $count." File(s) uploaded";
//CLEAN
$targetfile1="";
$targetfile2="";
$targetfile3="";
$targetfile4="";
if(strlen($_FILES['attachment1']['name']) > 2 ) {
$targetfile="/".$student_id."/".$lab_name."/".$_FILES['attachment1']['name'];
}
if(strlen($_FILES['attachment2']['name']) > 2 ) {
$targetfile2="/".$student_id."/".$lab_name."/".$_FILES['attachment2']['name']; }
if(strlen($_FILES['attachment3']['name']) > 2 ) {
$targetfile3= "/".$student_id."/".$lab_name."/".$_FILES['attachment3']['name'];}
if(strlen($_FILES['attachment4']['name']) > 2 ) {
$targetfile4= "/".$student_id."/".$lab_name."/".$_FILES['attachment4']['name'];
}
$sql1="Delete from lab_report_submissions where Lab_Report_ID=$lab_id and Student_id=$student_id and Course_Group_id=$group_id";
if ($con->query($sql1) === TRUE) {
}
if($group_id>0)
{
$student_id=0;
}
$sql="INSERT INTO `lab_report_submissions`(`Submission_Date`, `Lab_Report_ID`, `Student_id`,"
. " `Course_Group_id`, `Attachment1`, `Notes`, `Attachment2`, `Attachment3`, `Attachment4`, `Status`, `Title`,`Remarking_Reason`)"
. " VALUES ('$date',$lab_id,$student_id,$group_id,'$targetfile','$instructions','$targetfile2','$targetfile3','$targetfile4',"
. "'Pending','$title','')";
if ($con->query($sql) === TRUE) {
$_SESSION["info_courses"]=$type." Lab Report Assignment Submitted successfully.";
header("Location: Course.php?url=".$url);
} else {
echo "Error: <br>" . $con->error;
}
}
// JOIN COURSE
if (!empty($_GET["JoinCourse"])) {
$id=$_GET["id"];
$student_id=$_GET["std"];
$joining=$_GET["joining"];
$status="Pending";
if($joining==0){ $status="Joined";}
$sql="INSERT INTO `course_students_table`(`Course_ID`, `Student_ID`,`Status`) VALUES
('$id','$student_id','$status')";
if ($con->query($sql) === TRUE) {
if($joining==0)
{
$_SESSION["info_Courses_student"]="You enroll in this Course successfully.";
}
else {
$_SESSION["info_Courses_student"]="Course enrollment request was sent to the lecturer.";
}
header("Location: Courses.php");
} else {
echo "Error: " . $sql . "<br>" . $con->error;
}
}
#MARK LAB REPORT
if (!empty($_GET["savemarks"])) {
$id=$_GET["id"];
$marks=$_GET["marks"];
$total=$_GET["total"];
$feedback=$_GET["feedback"];
$header=$_GET["header"];
$labid=$_GET["labid"];
$status="Marked";
if($marks>$total)
{
echo " Marks could not be greater than total";
return;
}
$date= date("Y-m-d H:i");
$feedback="<br>@$date : ".$feedback;
$sql="UPDATE `lab_report_submissions` SET `Marks`='$marks',`Status`='$status',"
. ""
. "Notes=if(Notes is null, ' ', concat(Notes, '$feedback'))"
. ""
. " WHERE Submission_ID=$id
";
if ($con->query($sql) === TRUE) {
$_SESSION["info_Marking"]="Lab Report Submission Marked";
header("Location: Submissions.php?id=".$labid."&header=".$header."&total=".$total);
} else {
echo "Error: " . $sql . "<br>" . $con->error;
}
}
#Update Report Visibility
if (!empty($_GET["updatevisibility"])) {
$id=$_GET["id"];
$marks=$_GET["marks"];
$total=$_GET["total"];
$status=$_GET["status"];
$header=$_GET["header"];
$labid=$_GET["labid"];
$sql="UPDATE `lab_report_submissions` SET `Visibility`='$status' WHERE Submission_ID=$id
";