Image Proxy

img.php

<?php

/*

Image proxy in the works.

*/

$image = $_GET['url'];

$path = $image;
$ext = pathinfo($path, PATHINFO_EXTENSION);


$deny = array("jpg", "png", "gif", "jpeg", "bmp", "ico");
if(in_array($ext,$deny)){
    header("Content-type: image/${ext}");
    echo file_get_contents($image);
}else{
    $my_img = imagecreate( 200, 80 );
    $background = imagecolorallocate( $my_img, 0, 0, 0 );
    $text_colour = imagecolorallocate( $my_img, 225, 225, 225 );
    imagestring( $my_img, 4, 30, 25, "Invalid File Type", $text_colour );
    imagesetthickness ( $my_img, 5 );

    header( "Content-type: image/png" );
    imagepng( $my_img );
    imagecolordeallocate( $text_color );
    imagecolordeallocate( $background );
    imagedestroy( $my_img );
}

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