function check_htaccess(&$checks)
{
$a = get_app();
$status = true;
$help = "";
if (function_exists('curl_init')) {
$test = fetch_url($a->get_baseurl() . "/install/testrewrite");
if ($test != "ok") {
$status = false;
$help = t('Url rewrite in .htaccess is not working. Check your server configuration.');
}
check_add($checks, t('Url rewrite is working'), $status, true, $help);
} else {
// cannot check modrewrite if libcurl is not installed
}
}
/**
* @brief Check URL rewrite und SSL certificate.
*
* @param[out] array &$checks
*/
function check_htaccess(&$checks)
{
$a = get_app();
$status = true;
$help = '';
$ssl_error = false;
$url = $a->get_baseurl() . '/setup/testrewrite';
if (function_exists('curl_init')) {
$test = z_fetch_url($url);
if (!$test['success']) {
if (strstr($url, 'https://')) {
$test = z_fetch_url($url, false, 0, array('novalidate' => true));
if ($test['success']) {
$ssl_error = true;
}
} else {
$test = z_fetch_url(str_replace('http://', 'https://', $url), false, 0, array('novalidate' => true));
if ($test['success']) {
$ssl_error = true;
}
}
if ($ssl_error) {
$help = t('SSL certificate cannot be validated. Fix certificate or disable https access to this site.') . EOL;
$help .= t('If you have https access to your website or allow connections to TCP port 443 (the https: port), you MUST use a browser-valid certificate. You MUST NOT use self-signed certificates!') . EOL;
$help .= t('This restriction is incorporated because public posts from you may for example contain references to images on your own hub.') . EOL;
$help .= t('If your certificate is not recognized, members of other sites (who may themselves have valid certificates) will get a warning message on their own site complaining about security issues.') . EOL;
$help .= t('This can cause usability issues elsewhere (not just on your own site) so we must insist on this requirement.') . EOL;
$help .= t('Providers are available that issue free certificates which are browser-valid.') . EOL;
check_add($checks, t('SSL certificate validation'), false, true, $help);
}
}
if (!$test['success'] || $test['body'] != "ok") {
$status = false;
$help = t('Url rewrite in .htaccess is not working. Check your server configuration.' . 'Test: ' . var_export($test, true));
}
check_add($checks, t('Url rewrite is working'), $status, true, $help);
} else {
// cannot check modrewrite if libcurl is not installed
}
}
function check_imagik(&$checks)
{
$imagick = false;
$gif = false;
if (class_exists('Imagick')) {
$imagick = true;
$supported = Photo::supportedTypes();
if (array_key_exists('image/gif', $supported)) {
$gif = true;
}
}
check_add($checks, t('ImageMagick PHP extension is installed'), $imagick, false, "");
if ($imagick) {
check_add($checks, t('ImageMagick supports GIF'), $gif, false, "");
}
}
function check_htconfig(&$checks)
{
$status = true;
$help = "";
if (file_exists('.htconfig.php') && !is_writable('.htconfig.php') || !file_exists('.htconfig.php') && !is_writable('.')) {
$status = false;
$help = t('The web installer needs to be able to create a file called ".htconfig.php" in the top folder of your web server and it is unable to do so.') . EOL;
$help .= t('This is most often a permission setting, as the web server may not be able to write files in your folder - even if you can.') . EOL;
$help .= t('Please check with your site documentation or support people to see if this situation can be corrected.') . EOL;
$help .= t('If not, you may be required to perform a manual installation. Please see the file "INSTALL.txt" for instructions.') . EOL;
}
check_add($checks, t('.htconfig.php is writable'), $status, true, $help);
}
reorder_case($_GET['rank'], $_GET['move'], $data, $probid);
// Redirect to the original page to prevent accidental redo's
header('Location: testcase.php?probid=' . urlencode($probid));
return;
}
$title = 'Testcases for problem p' . specialchars(@$probid) . ' - ' . specialchars($prob['name']);
$result = '';
if (isset($_POST['probid']) && IS_ADMIN) {
$maxrank = 0;
foreach ($data as $rank => $row) {
$result .= check_update($probid, $rank, $FILES);
if ($rank > $maxrank) {
$maxrank = $rank;
}
}
$result .= check_add($probid, $maxrank + 1, $FILES);
}
if (!empty($result)) {
// Reload testcase data after updates
$data = read_testdata($probid);
}
// Check if ranks must be renumbered (if test cases have been deleted).
// There is no need to run this within one MySQL transaction since
// nothing depends on the ranks being sequential, and we do preserve
// their order while renumbering.
end($data);
if (count($data) < (int) key($data)) {
$newrank = 1;
foreach ($data as $rank => $row) {
$DB->q('UPDATE testcase SET rank = %i
WHERE probid = %i AND rank = %i', $newrank++, $probid, $rank);
