我在建立视频观看网站时遇到一些问题。 该站点的主要目的是仅使用url一次并阻止下载，因此我做了一些逻辑工作，并在另一个php上使用“ echo”获取了数据。 这是我的代码。 viedoview.php

<video  controls="" style="width:100%; height:100%;" >
  <source src="video.php?vid=<?php echo $token_encrypted; ?>&token=<?php echo $tokenUrl; ?>">

</video>

video.php

session_start();
// Get Token
$token = $_GET['vid'];

// Get Current Session ID
$prev= session_id();

// Test the session variable token is set
$tokenUrl=$_GET['token'];
if(isset($_SESSION['setToken']))
{
  // This was a one time token and this is your security
  unset($_SESSION['setToken']);

  $token=str_replace(' ','+',$token);
  // Now we will re-encrypt the token

  $token = openssl_decrypt($token,"aes128",session_id(),'0123456789123456');
   // Now Regenerate the session id
  session_regenerate_id();
  // Now re-encrypt the token with a key combination of both new and old ids
  $token = openssl_encrypt($token,$prev.session_id(),'0123456789123456');

}
else
{
  // If token was not matched,we have changed the id therefore the next script will not be able to decrypt the token
  session_regenerate_id(true);
}
 header("Location: includes\access.php?id=".$prev."&vid=".$token."&tokenUrl=".$tokenUrl);
?>

access.php

<?php
session_start();
include_once '../DBConnect.php';
// Decrypt the Token to get back the video file name
$tokenUrl=$_GET['tokenUrl'];
  $database = new dbConnect();  
     $db = $database->openConnection();
     $sql="select isExpired from tbl_uploaded_videos where oneTimeUrl='$tokenUrl'";
   $user = $db->query($sql);
   $result = $user->fetchAll(PDO::FETCH_ASSOC);  
  if($result[0]['isExpired']=='0'||$result[0]['isExpired']=='1') {   
  $vid=$_GET['vid'];

 $vid=str_replace(' ',$vid);
$token = openssl_decrypt($vid,$_GET['id'].session_id(),'0123456789123456');


// Check if file exists
if(file_exists("../videos/".$token))
{

  // Another important point here is a session id regeneration
  session_regenerate_id(true);  

  $file = "../videos/".$token;

  $file_size = filesize($file);

  $file_pointer = fopen($file,"r");

  $data = fread($file_pointer,$file_size);

  header("Content-type: video/mp4");
   // var_dump($data);
  echo $data;
       $sql="UPDATE tbl_uploaded_videos SET isExpired='0' where oneTimeUrl='$tokenUrl'";
   $user = $db->query($sql);
}
else {
  echo "Error: File Does not exists";
}
}
else
{

}
?>

它在Google Chrome和Mozilla Firefox中运行良好，但在Safari中不起作用。 我只能看到黑屏。 我该如何解决这个问题？我需要帮助