#!/usr/bin/env php
<?php
$log = __DIR__."/../build/rsa-sign-error.log";

ini_set("error_reporting", E_ALL);
ini_set("display_errors", true);
ini_set("log_errors", true);
ini_set("error_log", $log);

if ($argc != 3) {
	fprintf(STDERR, "Usage: %s <pkg name> <phar path>\n\n", basename($argv[0]));
	exit(1);
}

list(, $pkg, $src) = $argv;
$basename = basename($src);
$dir = __DIR__."/../public/sigs/$pkg";
$key = __DIR__."/../build/replicator.key";

if (!is_dir($dir) && !mkdir($dir, 0755, true)) {
	exit(2);
}

if (($pwd = getenv("REPLICATOR_PWD"))) {
	if (!($stream = fopen("php://temp", "r+"))) {
		exit(4);
	}
	fwrite($stream, $pwd);
	rewind($stream);
} else {
	$stream = STDIN;
}


$proc = proc_open("openssl dgst -sha256 -sign $key -passin fd:3 -out $dir/$basename.sig $src", [
	["pipe", "r"],
	["pipe", "w"],
	["file", $log, "a"],
	$stream
], $fds);

if (!is_resource($proc)) {
	exit(3);
}

fclose($fds[0]);

fpassthru($fds[1]);
fclose($fds[1]);

exit(proc_close($proc));