PHP mime video from an other domain

Question

Good day here,

I'm actually dealing with miming videos from one domain to an other-one, here is what I want to do:

• myfirstdomain.com/index.html sources a video from myfirstdomain.com/video.php?id=xxx where xxx will be the file path of the video file.
• myfirstdomain.com/video.php?id=xxx mirrors myseconddomain.com/video.php?id=xxx.
• myseconddomain.com/video.php?id=xxx open and read the target video file to mime it.

===== ===== ===== ===== =====

Actually my file myseconddomain.com/video.php?id=xxx provide a valid mp4 video mimed content, read from the original file xxx.

I tested sourcing it with a HTML video tag, and opening directly from the link, it works.

Once I got the file path here is the function I call to do that (myseconddomain.com/video.php?id=xxx):

function mimeVideo( $pPath ) {
    $file = $pPath;
    $fp = @fopen($file, 'rb');
    
    $size   = filesize($file); // File size
    $length = $size;           // Content length
    $start  = 0;               // Start byte
    $end    = $size - 1;       // End byte
    
    header('Content-type: video/mp4');
    header("Accept-Ranges: 0-$length");
    
    if (isset($_SERVER['HTTP_RANGE'])) {
        $c_start = $start;
        $c_end   = $end;
        
        list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
        if (strpos($range, ',') !== false) {
            header('HTTP/1.1 416 Requested Range Not Satisfiable');
            header("Content-Range: bytes $start-$end/$size");
            exit;
        }
        if ($range == '-') {
            $c_start = $size - substr($range, 1);
        }else{
            $range  = explode('-', $range);
            $c_start = $range[0];
            $c_end   = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size;
        }
        $c_end = ($c_end > $end) ? $end : $c_end;
        if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
            header('HTTP/1.1 416 Requested Range Not Satisfiable');
            header("Content-Range: bytes $start-$end/$size");
            exit;
        }
        $start  = $c_start;
        $end    = $c_end;
        $length = $end - $start + 1;
        fseek($fp, $start);
        header('HTTP/1.1 206 Partial Content');
    }
    
    header("Content-Range: bytes $start-$end/$size");
    header("Content-Length: ".$length);
    
    $buffer = 1024 * 8;
    while(!feof($fp) && ($p = ftell($fp)) <= $end) {
        if ($p + $buffer > $end) {
            $buffer = $end - $p + 1;
        }
        
        set_time_limit(0);
        echo fread($fp, $buffer);
        flush();
    }
    
    fclose($fp);
    exit();
}

===== ===== ===== ===== =====

Here is my issue:

Now I want to read the video from myseconddomain.com/video.php?id=xxx with myfirstdomain.com/video.php?id=xxx, so I wanted to copy its headers and print its content:

So I wrote that in order to get the headers and number of bytes read (myfirstdomain.com/video.php?id=xxx):

    $arrContextOptions = array(
        'http' => array(
            'header' => array( 'Referer: https://myfirstdomain.com'."\r\n" )
        ),
        'ssl' => array(
            'verify_peer' => false,
            'verify_peer_name' => false,
        )
    );
    
    $headers = get_headers( 'https://myseconddomain.com/video.php?id='.urlencode( $_GET['id'] ), false, stream_context_create( $arrContextOptions ) );
    print_r( $headers );

This works properly and displays the right headers (gotten from myseconddomain.com/video.php?id=xxx):

Array (
    [0] => HTTP/1.1 200 OK
    [1] => Date: Tue, 01 Feb 2022 14:28:50 GMT
    [2] => Server: Apache/2.4.38 (Win32) OpenSSL/1.1.1a PHP/7.3.2
    [3] => X-Powered-By: PHP/7.3.2
    [4] => Access-Control-Allow-Origin: https://myfirstdomain.com
    [5] => Accept-Ranges: 0-267912903
    [6] => Content-Range: bytes 0-267912902/267912903
    [7] => Content-Length: 267912903
    [8] => Connection: close
    [9] => Content-Type: video/mp4
)

Then I tried to read directly the content from the file with:

$response = file_get_contents( 'https://myseconddomain.com/video.php?id='.urlencode( $_GET['id'] ), false, stream_context_create( $arrContextOptions ) );

And from here my page started to load during an infinite time, I guess I have to provide more headers, or to add to the context the number of bytes to be read.

But in addition to this I have the feeling there is a better way to do this, any idea about how to solve my issue please?

Thank you in advance for you help and you time.

EDIT

I actually changed my mimeVideo() script to use the one from this post:

Streaming a large file using PHP

(support large video file transfers)