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editprofilepicture.php
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editprofilepicture.php
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<?php
session_start();
require('connect.php');
$user_id = $_SESSION['user_id'];
$uploadError = false;
//Sanatize the ID
$id = filter_input(INPUT_GET, 'id', FILTER_SANITIZE_NUMBER_INT);
$id = filter_input(INPUT_GET, 'id', FILTER_VALIDATE_INT);
if(!filter_input(INPUT_GET, 'id', FILTER_SANITIZE_NUMBER_INT) || !filter_input(INPUT_GET, 'id', FILTER_VALIDATE_INT))
{
header("location: index.php");
}
//Finds the current profile picture
$findImageQuery = "SELECT * FROM profileimage WHERE user_id = :user_id";
$findImageStatement = $db->prepare($findImageQuery);
$findImageStatement->bindValue(':user_id', $user_id);
$findImageStatement->execute();
$imageRow = $findImageStatement->fetch();
//If submitted, run the file upload function
if($_POST)
{
$image = $_FILES['image']['name'];
file_upload_path($image);
$image_upload_detected = isset($_FILES['image']) && ($_FILES['image']['error'] === 0);
// If an image upload is detected, store the file name and temporary image path
if ($image_upload_detected)
{
$image_filename = $_FILES['image']['name'];
$temporary_image_path = $_FILES['image']['tmp_name'];
$new_image_path = file_upload_path($image_filename);
$imageType = $_FILES['image']['type'];
if(file_is_an_image($temporary_image_path, $new_image_path))
{
$modifyQuery = "UPDATE profileimage SET image_name = (:image_name) WHERE user_id = :user_id";
$modifyStatement = $db->prepare($modifyQuery);
$modifyStatement->bindValue(':image_name', $image);
$modifyStatement->bindValue(':user_id', $user_id);
$modifyStatement->execute();
$row = $modifyStatement->fetch();
move_uploaded_file($temporary_image_path, $new_image_path);
$_SESSION['image_name'] = $image_filename;
resizeImage($new_image_path);
}
else
{
header("Refresh:0");
echo '<script>alert("File was not a valid image type. Please try another image with a file extension of .png or .jpeg.")</script>';
}
}
}
//Query to delete profile picture.
//This query modifies the image_name value of the profile picture table to the default image.
if(isset($_POST['updateImage']))
{
$updateQuery = "UPDATE profileimage SET image_name = 'default.jpeg' WHERE user_id = :user_id";
$updateStatement = $db->prepare($updateQuery);
$updateStatement->bindValue(':user_id', $_SESSION['user_id']);
$updateStatement->execute();
//Delete the users current image from the uploads folder
$unlinkPath = "uploads/".$_SESSION['image_name'];
unlink($unlinkPath);
//Update the session variable of the currently logged in user
$_SESSION['image_name'] = "default.jpeg";
header("Location: editprofilepicture.php?id=".$_SESSION['user_id']);
exit;
}
//Takes in the original file name, and the upload folder name, and moves it to the upload floder.
function file_upload_path($original_filename, $upload_subfolder_name = 'uploads')
{
$current_folder = dirname(__FILE__);
$path_segments = [$current_folder, $upload_subfolder_name, basename($original_filename)];
return join(DIRECTORY_SEPARATOR, $path_segments);
}
//Checks for imageness
function file_is_an_image($temporary_path, $new_path)
{
$allowed_mime_types = ['image/jpeg', 'image/png'];
$allowed_file_extensions = ['jpg', 'jpeg', 'png'];
$actual_file_extension = pathinfo($new_path, PATHINFO_EXTENSION);
$actual_mime_type = getimagesize($temporary_path)['mime'];
$file_extension_is_valid = in_array($actual_file_extension, $allowed_file_extensions);
$mime_type_is_valid = in_array($actual_mime_type, $allowed_mime_types);
return $file_extension_is_valid && $mime_type_is_valid;
}
function resizeImage($file)
{
$imageType = $_FILES['image']['type'];
if(file_exists($file))
{
if($imageType = "image/jpeg")
{
$originalImage = imagecreatefromjpeg($file);
$newImage = imagecreatetruecolor(200, 200);
//Resolution
$originalWidth = imagesx($originalImage);
$originalHeight = imagesy($originalImage);
imagecopyresampled($newImage, $originalImage,0,0,0,0,200,200,$originalWidth,$originalHeight);
imagejpeg($newImage,$file,100);
}
elseif($imageType = "image/png")
{
$originalImage = imagecreatefrompng($file);
$newImage = imagecreatetruecolor(200, 200);
//Resolution
$originalWidth = imagesx($originalImage);
$originalHeight = imagesy($originalImage);
imagecopyresampled($newImage, $originalImage,0,0,0,0,200,200,$originalWidth,$originalHeight);
imagepng($newImage,$file,100);
}
}
}
if(!empty($_POST['search']))
{
$searchTerm = filter_input(INPUT_POST, 'search', FILTER_SANITIZE_SPECIAL_CHARS);
if(!filter_input(INPUT_POST, 'search', FILTER_SANITIZE_SPECIAL_CHARS))
{
header("location: index.php");
}
else
{
$_SESSION['searchterm'] = $searchTerm;
header("location: search.php");
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
<link rel="stylesheet" href="style.css">
<title>iMovieRatings | Edit User</title>
</head>
<body>
<?php include('nav.php') ?>
<section class="bg-dark text-dark p-5 text-left">
<div class="form_bg">
<div class="container">
<form class="form_horizontal" method="post" enctype="multipart/form-data">
<div class="form_icon">
<img src="uploads/<?= $_SESSION['image_name']?>" alt="profile picture">
</div>
<h3 class="title">Edit User</h3>
<div class="form-group">
<label class="fs-3">Edit Profile Picture</label>
<input type="file" name="image" id="image">
<input type="submit" name="submit" value="Upload Image">
<?php if($uploadError): ?>
<p class="fs-1">Error Number: <?= $_FILES['image']['error'] ?></p>
<?php endif ?>
<input type="submit" name="updateImage" value="Delete Image" onclick="return confirm('Are you sure you wish to delete your profile image?')" />
</div>
</form>
</div>
</div>
</section>
</body>