Script to test Fedora Repository PIDs

test_pids.php

<?php

$pids = array(
  'foo:%0F',
  'foo-:123',
  '.foo.:123',
  'foo.:-.~_',
  'foo.:-___',
);

print "PID validity tests:\n";
foreach ($pids as &$pid) {
  $pid = trim($pid);
  if (is_valid_pid($pid)) {
    print "PASS: $pid is a valid PID\n";
  }
  else {
    print "FAIL: $pid is not a valid PID\n";
  }
}

print "\n";

print "URL encoding round trippability tests:\n";
foreach ($pids as &$pid) {
  $pid = trim($pid);
  $url_encoded = urlencode($pid);
  $url_decoded = urldecode($url_encoded);
  if ($url_decoded == $pid) {
    print "PASS: $pid was round tripped\n";
  }
  else {
    print "FAIL: $pid was not round tripped\n";
  }
}

print "\n";

print "URL encoded filename round trippability tests:\n";
$tmp_dir = __DIR__;
$seed = '6e3e54ad-0628-4e36-9ea1-c6b9ea14e136';
foreach ($pids as &$pid) {
  $pid = trim($pid);
  $url_encoded = urlencode($pid);
  $contents = str_shuffle($seed);
  $path = $tmp_dir . DIRECTORY_SEPARATOR . $url_encoded;
  file_put_contents($path, $contents);
  $read_contents = file_get_contents($path);
  if ($read_contents == $contents) {
    print "PASS: File with $pid URL-encoded name round tripped\n";
  }
  else {
    print "FAIL: File with $pid URL-encoded name was not round tripped\n";
  }
  unlink($path);
}

/**
 * Checks if the given pid is valid.
 *
 * @param string $pid
 *   The object id to check.
 *
 * @return bool
 *   TRUE if valid, FALSE otherwise.
 */
function is_valid_pid($pid) {
  return strlen(trim($pid)) <= 64 && preg_match('/^([A-Za-z0-9]|-|\.)+:(([A-Za-z0-9])|-|\.|~|_|(%[0-9A-F]{2}))+$/', trim($pid));
}