update algorithm

code/assets/js/deffiehelman.js

-const MAX_RAND = 50;
+const MAX_RAND = 500;
 const MIN_RAND = 0;
 
 
@@ -74,4 +74,5 @@ function caesarShift(text, shift) {
 		else                          result += text.charAt(i);  // Copy
 	}
 	return result;
-}
\ No newline at end of file
+}
+

code/deffiehelman.php

 <?php 
     session_start();
-    define ("MAX_INT",50);
+    define ("MAX_INT",500);
 //    include 'mainviewer.php';
 
 
@@ -76,7 +76,7 @@
                 // echo $shared_key; echo " ";
                 $stmt = $con->prepare("UPDATE user SET shared_key=? WHERE User_Id=?");
                 $stmt->bind_param("ii", $sharedKey, $_SESSION["myId"]);
-
+                $_SESSION["shared_key"] = $sharedKey;
                 $stmt->execute();
                 $stmt->close();
 

code/new_post.php

@@ -135,9 +135,9 @@
         if (validateDate()){
             var shared_key = deffiehelman();
             // document.getElementById('Judul').textContent = 
-            document.getElementById('Judul').value = (caesarShift(document.getElementById('Judul').value, shared_key%25));
-            document.getElementById('Konten').value = (caesarShift(document.getElementById('Konten').value, shared_key%25));
-
+            // document.getElementById('Judul').value = (caesarShift(document.getElementById('Judul').value, shared_key%25));
+            // document.getElementById('Konten').value = (caesarShift(document.getElementById('Konten').value, shared_key%25));
+            return true;
         }else{
             return false;
         }

code/new_post_action.php

@@ -2,10 +2,11 @@
 session_start();
 if (isset($_SESSION["isLogin"]) && (isset($_POST['csrf_token']) && $_POST['csrf_token'] === $_SESSION['csrf_token'])){
 	include 'mainviewer.php';
+	// var_dump();
 	$Judul = $_POST['Judul'];
 	$Tanggal = $_POST['Tanggal'];
 	$creatorid = $_SESSION["myId"];
-	$Konten = $_POST['Konten'];
+	$Konten = $_POST['Konten'];// caesarDecode ( $_POST['Konten'], (int)$_SESSION["shared_key"]) ;
 
 	$target_dir = "uploads/";
 	$target_file = $target_dir.basename($_FILES["image"]["name"]);
@@ -40,21 +41,18 @@ if (isset($_SESSION["isLogin"]) && (isset($_POST['csrf_token']) && $_POST['csrf_
 	} else {
 	    if (move_uploaded_file($_FILES["image"]["tmp_name"], $target_file)) {
 	        echo "The file ". basename( $_FILES["image"]["name"]). " has been uploaded.<br>";
-<<<<<<< HEAD
+
 	        $con = phpsqlconnection();
-=======
-			$con = phpsqlconnection();
->>>>>>> df17127f283f68ad29758e0e77f1885ac2eb0ed3
 
 			$stmt = $con->prepare("INSERT INTO post (Post_Id, Creator_Id, Title, Date, Contents, Image) 
 				VALUES (NULL,?,?,?,?,?)");
 			$stmt->bind_param('issss', $creatorid, $Judul, $Tanggal, $Konten, $target_file);
-			$stmt->execute();
+			$status = $stmt->execute();
 			// $result = $stmt->get_result();
 
 			// $sql = "INSERT INTO post (Post_Id, Creator_Id, Title, Date, Contents, Image) 
 			// 	VALUES (NULL".",".$creatorid.","."'".$Judul."'".","."'".$Tanggal."'".","."'".$Konten."'".","."'".$target_file."')";
-			if ($stmt->execute()) {
+			if ($status) {
 				// echo "Huba";
 			   	header("Location: index.php");
 			} else {
@@ -62,36 +60,36 @@ if (isset($_SESSION["isLogin"]) && (isset($_POST['csrf_token']) && $_POST['csrf_
 			}
 
 			die();
-<<<<<<< HEAD
-	    } else {
-	        echo "Sorry, there was an error uploading your file.<br>";
-	    }
-	}
 
-	
-=======
 
 	    } else {
 	        echo "Sorry, there was an error uploading your file.<br>";
 	    }
 	}
->>>>>>> df17127f283f68ad29758e0e77f1885ac2eb0ed3
 
 }else{
     header("Location: login.php"); /* Redirect browser */
 }
 
 
-function decryptCaesar($encrypted_text, $key){
-	$alphabet=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');
-	//positions of the letters in alphabet
-	$flip=array_flip($alphabet);
-	
-	$decrypted_text='';
-	for ($i=0; $i<$n; $i++)
-		//decryption
-		$decrypted_text.=$alphabet[(26+$flip[$encrypted_text[$i]]-$key)%26];
-	return $decrypted_text;
-} 
+function caesarDecode( $message, $key ){
+	$key = $key%25;
+    $ciphertext = "";
+    $ascii_a = ord( 'a' );
+    $ascii_z = ord( 'z' );
+    $ascii_A = ord( 'A' );
+    $ascii_Z = ord( 'Z' );
+    while( strlen( $plaintext ) ){
+        $char = ord( $plaintext );
+        if( $char >= $ascii_a && $char <= $ascii_z ){
+            $char = ( ( $key + $char + $ascii_a ) % 26 ) ;
+        }else if( $char >= $ascii_A && $char <= $ascii_Z ){
+            $char = ( ( $key + $char + $ascii_A ) % 26 ) ;
+        }
+        $plaintext = substr( $plaintext, 1 );
+        $ciphertext .= chr( $char );
+    }
+    return "$ciphertext";
+}
 
  ?>
\ No newline at end of file