#!/usr/bin/env php
<?php

$verbose = false;
$debug   = false;
$help    = false;
$archive = false;
$target  = false;

for ($i=1 ; $i<$_SERVER['argc'] ; $i++) {
	switch ($_SERVER['argv'][$i]) {
		case '-v':
		case '--verbose':
			$verbose = true;
			break;
		case '-d':
		case '--debug':
			$verbose = true;
			$debug = true;
			break;
		case '-h':
		case '--help':
			$help = true;
			break;
		default:
			if ($_SERVER['argv'][$i][0] == '-') {
				die("** unkown option {$_SERVER['argv'][$i]}\n");
			} else if (!$archive) {
				$archive = $_SERVER['argv'][$i];
			} else if (!$target) {
				$target = $_SERVER['argv'][$i];
			} else {
				die("Unneeded parameter {$_SERVER['argv'][$i]}\n");
			}
	}
}
if (!$target) {
	$target = '.';
}

if ($help || !$archive) {
	die("\nUsage {$_SERVER['argv'][0]} [ --help ] [ --debug ] [ --verbose ] zipfile  [ directory ]\n\n");
}
if (!(is_dir($target) && is_writable($target))) {
	die("$target is not writable\n");
}

$zip = new ZipArchive();
$err = $zip->open($archive);
if ($err !== TRUE) {
	die("Can't read $archive\n");
}

echo "Archive: $archive\n";

for ($i=0 ; $i<$zip->numFiles ; $i++) {
	$e = $zip->statIndex($i);
	//var_dump($zip->getExternalAttributesIndex($i, $opsys, $attr), $opsys, $attr);
	if ($debug || $zip->extractTo($target, $e['name'])) {
		if ($zip->getExternalAttributesIndex($i, $opsys, $attr) && $opsys==ZipArchive::OPSYS_UNIX) {
			$attr = $attr >> 16;
			if ($debug || chmod("$target/{$e['name']}", $attr & 0777)) {
				if ($verbose) {
					printf("+ %s (%o)\n", $e['name'], $attr);
				}
			} else {
				printf("* Can't chmod %s to %o\n", $e['name'], $attr);
			}
		} else {
			echo "* Can't write $target/{$e['name']}\n";
		}
	}
}

$zip->close();