git.m6w6.name Git - pharext/replicator.pharext.org/blob - bin/fetch

   1 #!/usr/bin/env php
   2 <?php
   3
   4 if ($argc < 2) {
   5         fprintf(STDERR, "Usage: %s <pkg_name> [.ext.phar command line options]\n", $argv[0]);
   6         exit(1);
   7 }
   8
   9 function bail() {
  10         $error = error_get_last();
  11         if (!($error["type"] & error_reporting())) {
  12                 fprintf(STDERR, "%s\n", $error["message"]);
  13         }
  14         exit(2);
  15 }
  16
  17 $cmp_mask = Phar::canCompress(Phar::GZ) | (Phar::canCompress(Phar::BZ2) << 1);
  18 $file_ext = ["", ".gz", ".bz2", ".bz2"][$cmp_mask];
  19 $base_url = "https://replicator.pharext.org/";
  20 $json_ctx = stream_context_create(["http"=>["header"=>"Accept:application/json"]]) or bail();
  21 $pkg_name = $argv[1];
  22 $pkg_json = file_get_contents($base_url . "?" . $pkg_name, false, $json_ctx) or bail();
  23 $pkg_data = json_decode($pkg_json, true) or bail();
  24 $rel_data = end($pkg_data);
  25 $pkg_path = $rel_data[$file_ext]["phar"];
  26 $sig_path = $rel_data[$file_ext]["sigs"]["rsa"];
  27 $pkg_file = basename($pkg_path);
  28 $pkg_data = file_get_contents($base_url . $pkg_path) or bail();
  29 $sig_data = file_get_contents($base_url . $sig_path) or bail();
  30 $key_data = file_get_contents($base_url . "replicator.pub") or bail();
  31
  32 openssl_verify($pkg_data, $sig_data, $key_data, "sha256") or
  33         (function() {
  34                 while (($error = openssl_error_string())) echo $error,"\n";
  35                 exit(3);
  36         })();
  37
  38 $argv = array_slice($argv, 1, --$argc);
  39 file_put_contents($pkg_file, $pkg_data) or bail();
  40 (include $pkg_file) or bail();