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<?php
if(isset($_POST['submit']))
{
if (!isset($_POST['to']) || empty($_POST['to']) || !isset($_POST['subject']) || empty($_POST['subject']) || !isset($_POST['message']) || empty($_POST['message']) || !isset($_FILES['file']) || $_FILES['file']['error'] !== UPLOAD_ERR_OK) {
echo "<script>alert('Please fill in all required fields and upload a valid file.')</script>";
exit;
}
// Sanitize input data
$to = filter_var($_POST['to'], FILTER_SANITIZE_EMAIL);
$subject = filter_var($_POST['subject'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
$msg = filter_var($_POST['message'], FILTER_SANITIZE_FULL_SPECIAL_CHARS);
// Validate email address
if (!filter_var($to, FILTER_VALIDATE_EMAIL)) {
echo "<script>alert('Invalid email address.')</script>";
exit;
}
// Validate uploaded file
$file_name = $_FILES['file']['name'];
$file_type = $_FILES['file']['type'];
$file_size = $_FILES['file']['size'];
$allowed_types = array('image/jpeg', 'image/png', 'application/pdf'); // Allowed file types
$max_file_size = 1024 * 1024; // Maximum file size (in bytes)
if (!in_array($file_type, $allowed_types) || $file_size > $max_file_size) {
echo "<script>alert('Invalid file type or size. Only JPEG, PNG, and PDF files up to 1MB are allowed.')</script>";
exit;
}
// Prepare email headers and message
$boundary = md5(date('r', time()));
$headers = "MIME-Version: 1.0\r\n";
$headers .= "From: <khan.ak065@gmail.com>\r\n";
$headers .= "Content-Type: multipart/mixed; boundary=" . $boundary . "\r\n";
$message = "\r\n\r\n--" . $boundary . "\r\n";
$message .= "Content-type: text/plain; charset=\"iso-8859-1\"\r\n";
$message .= "Content-Transfer-Encoding: 7bit\r\n\r\n";
$message .= $msg."\r\n\r\n";
$message .= "--" . $boundary . "\r\n";
$message .= "Content-type:".$file_type."\r\n";
$message .= "Content-Transfer-Encoding: base64\r\n";
$message .= "Content-Disposition: attachment; filename=".$file_name."\r\n\r\n";
$message .= chunk_split(base64_encode(file_get_contents($_FILES['file']['tmp_name']))) . "\r\n";
// Send email
$mail_sent = @mail($to, $subject, $message, $headers);
if ($mail_sent) {
echo "<script>alert('Mail sent.')</script>";
echo "<script>window.open('https://gmail.com')</script>";
} else {
echo "<script>alert('Mail failed to send.')</script>";
echo "<script>window.open('https://google.com')</script>";
}
}
?>
<!DOCTYPE html>
<html lang="en" class="no-js">
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html">
<title>Send Mail</title>
<meta name="author" content="Dilip Agarwal">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
</head>
<body>
<form action="" method="post" enctype="multipart/form-data">
<div class="container">
<div class="row text-center" style="">
<div class="col-lg-offset-3 col-lg-7" style="box-shadow: 0 3px 20px 0px rgba(0, 0, 0, 0.1);">
<h2 class="text-center" style="color:grey">Send mail using Php with attachment</h3>
<div class="row firstrow">
<div class="col-lg-5">
<input type="email" class="text-center" Placeholder="Enter Your Email" name="to" required />
</div>
<div class="col-lg-offset-2 col-lg-5 box">
<input type="text" class="text-center" placeholder="Enter Your Subject" name="subject" required />
</div>
</div>
<label for="file-upload" class="custom-file-upload">
<i class="fa fa-cloud-upload"></i> Upload Your File Here
</label>
<input id="file-upload" type="file" name="file" required />
<br><br><br>
<div class="row">
<textarea placeholder="Enter Your Message" rows="3" cols="60" name="message"></textarea>
</div>
<div class="submit">
<button type="submit" class="" name="submit">Send Mail</button>
<br>
</div>
</div>
</div>
</div>
</form>
</body>
</html>