forge
/
archive_hook.sh
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Check local signature (TODO: sanitize input!!!!!!!!)

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southerntofu 2020-04-28 18:24:57 +00:00
parent 8fb1786c18
commit 299d1784e9
1 changed files with 46 additions and 20 deletions
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66
endpoints/index.php
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@ -2,10 +2,7 @@
// So first we need to deserialize the JSON to perform basic checks, so that we ensure:
// - the `repository.html_url` has a corresponding hex-encoded /opt/forgehook/webhooks/
echo "bonjour de PHP";
exit();
$secret_key = '123';
// check for POST request
if ($_SERVER['REQUEST_METHOD'] != 'POST') {
@ -29,23 +26,6 @@ if (empty($payload)) {
exit();
}
// get header signature
$header_signature = isset($_SERVER['HTTP_X_GITEA_SIGNATURE']) ? $_SERVER['HTTP_X_GITEA_SIGNATURE'] : '';
if (empty($header_signature)) {
error_log('FAILED - header signature missing');
exit();
}
// calculate payload signature
$payload_signature = hash_hmac('sha256', $payload, $secret_key, false);
// check payload signature against header signature
if ($header_signature != $payload_signature) {
error_log('FAILED - payload signature');
exit();
}
// convert json to array
$decoded = json_decode($payload, true);
@ -55,4 +35,50 @@ if (json_last_error() !== JSON_ERROR_NONE) {
exit();
}
if (!isset($decoded["repository"]["html_url"])) {
error_log('BULLSHIT');
exit();
}
$repo = $decoded["repository"]["html_url"];
// TODO: looks dangerous but i have no clue what PHP is doing here
$secret = shell_exec("forgehook secret ".$repo);
if ($secret == NULL) {
error_log("Secret not found for ".$repo);
exit();
}
$secret = str_replace("\n", "", $secret);
error_log("secret: ".$secret."END");
// get header signature
$header_signature = isset($_SERVER['HTTP_X_GITEA_SIGNATURE']) ? $_SERVER['HTTP_X_GITEA_SIGNATURE'] : '';
if (empty($header_signature)) {
error_log('FAILED - header signature missing');
exit();
}
// calculate payload signature
$payload_signature = hash_hmac('sha256', $payload, $secret, false);
// check payload signature against header signature
if ($header_signature != $payload_signature) {
error_log('FAILED - payload signature');
exit();
}
$output=shell_exec("forgehook-notify ".$repo);
if ($output != NULL) {
error_log("Notify failed with:\n".$output);
}
error_log("OK");
?>