mirror of
https://github.com/imgproxy/imgproxy.git
synced 2024-11-29 08:22:11 +02:00
09bfd44c55
String interpolation is a little easier to read and understand as there's no back-and-forth between string format and arguments. Matches JS version: https://github.com/DarthSim/imgproxy/blob/master/examples/signature.js#L27
31 lines
826 B
PHP
31 lines
826 B
PHP
<?php
|
|
|
|
$key = '943b421c9eb07c830af81030552c86009268de4e532ba2ee2eab8247c6da0881';
|
|
$salt = '520f986b998545b4785e0defbc4f3c1203f22de2374a3d53cb7a7fe9fea309c5';
|
|
|
|
$keyBin = pack("H*" , $key);
|
|
if(empty($keyBin)) {
|
|
die('Key expected to be hex-encoded string');
|
|
}
|
|
|
|
$saltBin = pack("H*" , $salt);
|
|
if(empty($saltBin)) {
|
|
die('Salt expected to be hex-encoded string');
|
|
}
|
|
|
|
$resize = 'fill';
|
|
$width = 300;
|
|
$height = 300;
|
|
$gravity = 'no';
|
|
$enlarge = 1;
|
|
$extension = 'png';
|
|
|
|
$url = 'http://img.example.com/pretty/image.jpg';
|
|
$encodedUrl = rtrim(strtr(base64_encode($url), '+/', '-_'), '=');
|
|
|
|
$path = "/{$resize}/{$width}/{$height}/{$gravity}/{$enlarge}/{$encodedUrl}.{$extension}";
|
|
|
|
$signature = rtrim(strtr(base64_encode(hash_hmac('sha256', $saltBin.$path, $keyBin, true)), '+/', '-_'), '=');
|
|
|
|
print(sprintf("/%s%s", $signature, $path));
|