-/**
- * checks : array passed to template
- * title : string
- * status : boolean
- * required : boolean
- * help : string optional
- */
-function check_add(&$checks, $title, $status, $required, $help) {
- $checks[] = array(
- 'title' => $title,
- 'status' => $status,
- 'required' => $required,
- 'help' => $help,
- );
-}
-
-function check_php(&$phpath, &$checks) {
- $passed = $passed2 = $passed3 = false;
- if (strlen($phpath)) {
- $passed = file_exists($phpath);
- } else {
- $phpath = trim(shell_exec('which php'));
- $passed = strlen($phpath);
- }
- $help = "";
- if (!$passed) {
- $help .= t('Could not find a command line version of PHP in the web server PATH.'). EOL;
- $help .= t("If you don't have a command line version of PHP installed on your server, you will not be able to run the background processing. See <a href='https://github.com/friendica/friendica/blob/master/doc/Install.md#set-up-the-worker'>'Setup the worker'</a>") . EOL;
- $help .= EOL . EOL;
- $tpl = get_markup_template('field_input.tpl');
- $help .= replace_macros($tpl, array(
- '$field' => array('phpath', t('PHP executable path'), $phpath, t('Enter full path to php executable. You can leave this blank to continue the installation.')),
- ));
- $phpath = "";
- }
-
- check_add($checks, t('Command line PHP').($passed?" (<tt>$phpath</tt>)":""), $passed, false, $help);
-
- if ($passed) {
- $cmd = "$phpath -v";
- $result = trim(shell_exec($cmd));
- $passed2 = ( strpos($result, "(cli)") !== false);
- list($result) = explode("\n", $result);
- $help = "";
- if (!$passed2) {
- $help .= t('PHP executable is not the php cli binary (could be cgi-fgci version)'). EOL;
- $help .= t('Found PHP version: ')."<tt>$result</tt>";
- }
- check_add($checks, t('PHP cli binary'), $passed2, true, $help);
- }
-
-
- if ($passed2) {
- $str = autoname(8);
- $cmd = "$phpath testargs.php $str";
- $result = trim(shell_exec($cmd));
- $passed3 = $result == $str;
- $help = "";
- if (!$passed3) {
- $help .= t('The command line version of PHP on your system does not have "register_argc_argv" enabled.'). EOL;
- $help .= t('This is required for message delivery to work.');
- }
- check_add($checks, t('PHP register_argc_argv'), $passed3, true, $help);
- }
-
-
-}
-
-function check_keys(&$checks) {
-
- $help = '';
-
- $res = false;
-
- if (function_exists('openssl_pkey_new')) {
- $res = openssl_pkey_new(array(
- 'digest_alg' => 'sha1',
- 'private_key_bits' => 4096,
- 'encrypt_key' => false
- ));
- }
-
- // Get private key
-
- if (! $res) {
- $help .= t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys'). EOL;
- $help .= t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".');
- }
- check_add($checks, t('Generate encryption keys'), $res, true, $help);
-
-}
-
-
-function check_funcs(&$checks) {
- $ck_funcs = array();
- check_add($ck_funcs, t('libCurl PHP module'), true, true, "");
- check_add($ck_funcs, t('GD graphics PHP module'), true, true, "");
- check_add($ck_funcs, t('OpenSSL PHP module'), true, true, "");
- check_add($ck_funcs, t('PDO or MySQLi PHP module'), true, true, "");
- check_add($ck_funcs, t('mb_string PHP module'), true, true, "");
- check_add($ck_funcs, t('XML PHP module'), true, true, "");
- check_add($ck_funcs, t('iconv module'), true, true, "");
-
- if (function_exists('apache_get_modules')) {
- if (! in_array('mod_rewrite',apache_get_modules())) {
- check_add($ck_funcs, t('Apache mod_rewrite module'), false, true, t('Error: Apache webserver mod-rewrite module is required but not installed.'));
- } else {
- check_add($ck_funcs, t('Apache mod_rewrite module'), true, true, "");
- }
- }
-
- if (! function_exists('curl_init')) {
- $ck_funcs[0]['status'] = false;
- $ck_funcs[0]['help'] = t('Error: libCURL PHP module required but not installed.');
- }
- if (! function_exists('imagecreatefromjpeg')) {
- $ck_funcs[1]['status'] = false;
- $ck_funcs[1]['help'] = t('Error: GD graphics PHP module with JPEG support required but not installed.');
- }
- if (! function_exists('openssl_public_encrypt')) {
- $ck_funcs[2]['status'] = false;
- $ck_funcs[2]['help'] = t('Error: openssl PHP module required but not installed.');
- }
- if (! function_exists('mysqli_connect') && !class_exists('pdo')) {
- $ck_funcs[3]['status'] = false;
- $ck_funcs[3]['help'] = t('Error: PDO or MySQLi PHP module required but not installed.');
- }
- if (!function_exists('mysqli_connect') && class_exists('pdo') && !in_array('mysql', PDO::getAvailableDrivers())) {
- $ck_funcs[3]['status'] = false;
- $ck_funcs[3]['help'] = t('Error: The MySQL driver for PDO is not installed.');
- }
- if (! function_exists('mb_strlen')) {
- $ck_funcs[4]['status'] = false;
- $ck_funcs[4]['help'] = t('Error: mb_string PHP module required but not installed.');
- }
- if (! function_exists('iconv_strlen')) {
- $ck_funcs[7]['status'] = false;
- $ck_funcs[7]['help'] = t('Error: iconv PHP module required but not installed.');
- }
-
- $checks = array_merge($checks, $ck_funcs);
-
- // check for XML DOM Documents being able to be generated
- try {
- $xml = new DOMDocument();
- } catch (Exception $e) {
- $ck_funcs[6]['status'] = false;
- $ck_funcs[6]['help'] = t('Error, XML PHP module required but not installed.');
- }
-}
-
-
-function check_htconfig(&$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('At the end of this procedure, we will give you a text to save in a file named .htconfig.php in your Friendica top folder.').EOL;
- $help .= t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.').EOL;
- }
-
- check_add($checks, t('.htconfig.php is writable'), $status, false, $help);
-
-}
-
-function check_smarty3(&$checks) {
- $status = true;
- $help = "";
- if (!is_writable('view/smarty3')) {
-
- $status = false;
- $help = t('Friendica uses the Smarty3 template engine to render its web views. Smarty3 compiles templates to PHP to speed up rendering.') .EOL;
- $help .= t('In order to store these compiled templates, the web server needs to have write access to the directory view/smarty3/ under the Friendica top level folder.').EOL;
- $help .= t('Please ensure that the user that your web server runs as (e.g. www-data) has write access to this folder.').EOL;
- $help .= t('Note: as a security measure, you should give the web server write access to view/smarty3/ only--not the template files (.tpl) that it contains.').EOL;
- }
-
- check_add($checks, t('view/smarty3 is writable'), $status, true, $help);
-
-}
-
-function check_htaccess(&$checks) {
- $status = true;
- $help = "";
- if (function_exists('curl_init')) {
- $test = fetch_url(System::baseUrl()."/install/testrewrite");
-
- if ($test != "ok") {
- $test = fetch_url(normalise_link(System::baseUrl()."/install/testrewrite"));
- }
-
- if ($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, $help);
- } else {
- // cannot check modrewrite if libcurl is not installed
- /// @TODO Maybe issue warning here?
- }
-}
-
-function check_imagik(&$checks) {
- $imagick = false;
- $gif = false;
-
- if (class_exists('Imagick')) {
- $imagick = true;
- $supported = Image::supportedTypes();
- if (array_key_exists('image/gif', $supported)) {
- $gif = true;
- }
- }
- if ($imagick == false) {
- check_add($checks, t('ImageMagick PHP extension is not installed'), $imagick, false, "");
- } else {
- check_add($checks, t('ImageMagick PHP extension is installed'), $imagick, false, "");
- if ($imagick) {
- check_add($checks, t('ImageMagick supports GIF'), $gif, false, "");
- }
- }
-}
-