]> git.mxchange.org Git - friendica.git/commitdiff
Add Install Mode
authorPhilipp Holzer <admin@philipp.info>
Mon, 23 Apr 2018 20:56:59 +0000 (22:56 +0200)
committerPhilipp Holzer <admin@philipp.info>
Mon, 23 Apr 2018 20:56:59 +0000 (22:56 +0200)
- Added $install_mode in Class App instead
- Extracted the install business logic to a new Class Install
- Replaced all $a->module == 'install' with $a->install_mode

include/text.php
mod/install.php
src/App.php
src/Core/Console/AutomaticInstallation.php
src/Core/Install.php [new file with mode: 0644]

index 2ec017caffa9bb613348d153f8cae2c47cc92a01..796acffcef262ffe5aa34cbbb876da78ca780826 100644 (file)
@@ -637,7 +637,7 @@ function logger($msg, $level = 0) {
 
        // turn off logger in install mode
        if (
-               $a->module == 'install'
+               $a->install_mode
                || !dba::$connected
        ) {
                return;
@@ -709,7 +709,7 @@ function dlogger($msg, $level = 0) {
 
        // turn off logger in install mode
        if (
-               $a->module == 'install'
+               $a->install_mode
                || !dba::$connected
        ) {
                return;
index eb740c7b64785ad09fa315815d0c4da951344b6d..3b09da6e4a7d9ac788e1364f9d39114da6b84283 100644 (file)
@@ -5,11 +5,9 @@
 
 use Friendica\App;
 use Friendica\Core\L10n;
+use Friendica\Core\Install;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
-use Friendica\Database\DBStructure;
-use Friendica\Object\Image;
-use Friendica\Util\Network;
 use Friendica\Util\Temporal;
 
 $install_wizard_pass = 1;
@@ -27,6 +25,8 @@ function install_init(App $a) {
        $a->config['system']['theme'] = "../install";
        $a->theme['stylesheet'] = System::baseUrl()."/view/install/style.css";
 
+       Install::setInstallMode();
+
        global $install_wizard_pass;
        if (x($_POST, 'pass')) {
                $install_wizard_pass = intval($_POST['pass']);
@@ -72,34 +72,7 @@ function install_post(App $a) {
                        // connect to db
                        dba::connect($dbhost, $dbuser, $dbpass, $dbdata, true);
 
-                       $tpl = get_markup_template('htconfig.tpl');
-                       $txt = replace_macros($tpl,[
-                               '$dbhost' => $dbhost,
-                               '$dbuser' => $dbuser,
-                               '$dbpass' => $dbpass,
-                               '$dbdata' => $dbdata,
-                               '$timezone' => $timezone,
-                               '$language' => $language,
-                               '$urlpath' => $urlpath,
-                               '$phpath' => $phpath,
-                               '$adminmail' => $adminmail,
-                               '$rino' => $rino
-                       ]);
-
-
-                       $result = file_put_contents('.htconfig.php', $txt);
-                       if (! $result) {
-                               $a->data['txt'] = $txt;
-                       }
-
-                       $errors = load_database();
-
-
-                       if ($errors) {
-                               $a->data['db_failed'] = $errors;
-                       } else {
-                               $a->data['db_installed'] = true;
-                       }
+                       Install::install($urlpath, $dbhost, $dbuser, $dbpass, $dbdata, $phpath, $timezone, $language, $adminmail, $rino);
 
                        return;
                break;
@@ -167,37 +140,11 @@ function install_content(App $a) {
        switch ($install_wizard_pass) {
                case 1: { // System check
 
-
-                       $checks = [];
-
-                       check_funcs($checks);
-
-                       check_imagik($checks);
-
-                       check_htconfig($checks);
-
-                       check_smarty3($checks);
-
-                       check_keys($checks);
-
                        if (x($_POST, 'phpath')) {
                                $phpath = notags(trim($_POST['phpath']));
                        }
 
-                       check_php($phpath, $checks);
-
-                       check_htaccess($checks);
-
-                       /// @TODO Maybe move this out?
-                       function check_passed($v, $c) {
-                               if ($c['required']) {
-                                       $v = $v && $c['status'];
-                               }
-                               return $v;
-                       }
-                       $checkspassed = array_reduce($checks, "check_passed", true);
-
-
+                       list($checks, $checkspassed) = Install::check($phpath);
 
                        $tpl = get_markup_template('install_checks.tpl');
                        $o .= replace_macros($tpl, [
@@ -296,238 +243,6 @@ function install_content(App $a) {
        }
 }
 
-/**
- * checks   : array passed to template
- * title    : string
- * status   : boolean
- * required : boolean
- * help                : string optional
- */
-function check_add(&$checks, $title, $status, $required, $help) {
-       $checks[] = [
-               '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 .= L10n::t('Could not find a command line version of PHP in the web server PATH.'). EOL;
-               $help .= L10n::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, [
-                       '$field' => ['phpath', L10n::t('PHP executable path'), $phpath, L10n::t('Enter full path to php executable. You can leave this blank to continue the installation.')],
-               ]);
-               $phpath = "";
-       }
-
-       check_add($checks, L10n::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 .= L10n::t("PHP executable is not the php cli binary \x28could be cgi-fgci version\x29"). EOL;
-                       $help .= L10n::t('Found PHP version: ')."<tt>$result</tt>";
-               }
-               check_add($checks, L10n::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 .= L10n::t('The command line version of PHP on your system does not have "register_argc_argv" enabled.'). EOL;
-                       $help .= L10n::t('This is required for message delivery to work.');
-               }
-               check_add($checks, L10n::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([
-                       'digest_alg'       => 'sha1',
-                       'private_key_bits' => 4096,
-                       'encrypt_key'      => false
-               ]);
-       }
-
-       // Get private key
-
-       if (! $res) {
-               $help .= L10n::t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys'). EOL;
-               $help .= L10n::t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".');
-       }
-       check_add($checks, L10n::t('Generate encryption keys'), $res, true, $help);
-
-}
-
-
-function check_funcs(&$checks) {
-       $ck_funcs = [];
-       check_add($ck_funcs, L10n::t('libCurl PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('GD graphics PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('OpenSSL PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('PDO or MySQLi PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('mb_string PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('XML PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('iconv PHP module'), true, true, "");
-       check_add($ck_funcs, L10n::t('POSIX PHP module'), true, true, "");
-
-       if (function_exists('apache_get_modules')) {
-               if (! in_array('mod_rewrite',apache_get_modules())) {
-                       check_add($ck_funcs, L10n::t('Apache mod_rewrite module'), false, true, L10n::t('Error: Apache webserver mod-rewrite module is required but not installed.'));
-               } else {
-                       check_add($ck_funcs, L10n::t('Apache mod_rewrite module'), true, true, "");
-               }
-       }
-
-       if (! function_exists('curl_init')) {
-               $ck_funcs[0]['status'] = false;
-               $ck_funcs[0]['help'] = L10n::t('Error: libCURL PHP module required but not installed.');
-       }
-       if (! function_exists('imagecreatefromjpeg')) {
-               $ck_funcs[1]['status'] = false;
-               $ck_funcs[1]['help'] = L10n::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'] = L10n::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'] = L10n::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'] = L10n::t('Error: The MySQL driver for PDO is not installed.');
-       }
-       if (! function_exists('mb_strlen')) {
-               $ck_funcs[4]['status'] = false;
-               $ck_funcs[4]['help'] = L10n::t('Error: mb_string PHP module required but not installed.');
-       }
-       if (! function_exists('iconv_strlen')) {
-               $ck_funcs[6]['status'] = false;
-               $ck_funcs[6]['help'] = L10n::t('Error: iconv PHP module required but not installed.');
-       }
-       if (! function_exists('posix_kill')) {
-               $ck_funcs[7]['status'] = false;
-               $ck_funcs[7]['help'] = L10n::t('Error: POSIX 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[5]['status'] = false;
-               $ck_funcs[5]['help'] = L10n::t('Error, XML PHP module required but not installed.');
-       }
-}
-
-
-function check_htconfig(&$checks) {
-       $status = true;
-       $help = "";
-       if ((file_exists('.htconfig.php') && !is_writable('.htconfig.php')) ||
-               (!file_exists('.htconfig.php') && !is_writable('.'))) {
-
-               $status = false;
-               $help = L10n::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 .= L10n::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 .= L10n::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;
-               $help .= L10n::t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.').EOL;
-       }
-
-       check_add($checks, L10n::t('.htconfig.php is writable'), $status, false, $help);
-
-}
-
-function check_smarty3(&$checks) {
-       $status = true;
-       $help = "";
-       if (!is_writable('view/smarty3')) {
-
-               $status = false;
-               $help = L10n::t('Friendica uses the Smarty3 template engine to render its web views. Smarty3 compiles templates to PHP to speed up rendering.') .EOL;
-               $help .= L10n::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 .= L10n::t("Please ensure that the user that your web server runs as \x28e.g. www-data\x29 has write access to this folder.").EOL;
-               $help .= L10n::t("Note: as a security measure, you should give the web server write access to view/smarty3/ only--not the template files \x28.tpl\x29 that it contains.").EOL;
-       }
-
-       check_add($checks, L10n::t('view/smarty3 is writable'), $status, true, $help);
-
-}
-
-function check_htaccess(&$checks) {
-       $status = true;
-       $help = "";
-       if (function_exists('curl_init')) {
-               $test = Network::fetchUrl(System::baseUrl()."/install/testrewrite");
-
-               if ($test != "ok") {
-                       $test = Network::fetchUrl(normalise_link(System::baseUrl()."/install/testrewrite"));
-               }
-
-               if ($test != "ok") {
-                       $status = false;
-                       $help = L10n::t('Url rewrite in .htaccess is not working. Check your server configuration.');
-               }
-               check_add($checks, L10n::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, L10n::t('ImageMagick PHP extension is not installed'), $imagick, false, "");
-       } else {
-               check_add($checks, L10n::t('ImageMagick PHP extension is installed'), $imagick, false, "");
-               if ($imagick) {
-                       check_add($checks, L10n::t('ImageMagick supports GIF'), $gif, false, "");
-               }
-       }
-}
-
 function manual_config(App $a) {
        $data = htmlentities($a->data['txt'],ENT_COMPAT, 'UTF-8');
        $o = L10n::t('The database configuration file ".htconfig.php" could not be written. Please use the enclosed text to create a configuration file in your web server root.');
@@ -544,12 +259,6 @@ function load_database_rem($v, $i) {
        }
 }
 
-function load_database() {
-       $errors = DBStructure::update(false, true, true);
-
-       return $errors;
-}
-
 function what_next() {
        $baseurl = System::baseUrl();
        return
index d76351b97ac6a9db60470c9b7d999836ece1f799..5ff7eab04dd070e341524b872bc06ce9b31ec043 100644 (file)
@@ -52,6 +52,7 @@ class App
        public $argv;
        public $argc;
        public $module;
+       public $install_mode = false;
        public $pager;
        public $strings;
        public $basepath;
index 6318b19a88279be8c8db5c4845a8e9a2f3af992a..ff277823023532c18f0259e58cdf5a22bbf2a0aa 100644 (file)
@@ -5,9 +5,9 @@ namespace Friendica\Core\Console;
 use Asika\SimpleConsole\Console;
 use dba;
 use Friendica\App;
+use Friendica\Core\Install;
 
 require_once 'mod/install.php';
-require_once 'include/dba.php';
 
 class AutomaticInstallation extends Console
 {
@@ -43,6 +43,8 @@ HELP;
                $db_data = '';
                require_once 'htconfig.php';
 
+               Install::setInstallMode();
+
                $this->out(" Complete!\n\n");
 
                // Check basic setup
@@ -74,7 +76,7 @@ HELP;
                // Install database
                $this->out("Inserting data into database...\n");
 
-               $checkResults['data'] = load_database();
+               $checkResults['data'] = Install::loadDatabase();
 
                if ($checkResults['data'] !== '') {
                        throw new \RuntimeException("ERROR: DB Database creation error. Is the DB empty?\n");
@@ -101,14 +103,14 @@ HELP;
        {
                $checks = [];
 
-               check_funcs($checks);
-               check_imagik($checks);
-               check_htconfig($checks);
-               check_smarty3($checks);
-               check_keys($checks);
+               Install::checkFunctions($checks);
+               Install::checkImagik($checks);
+               Install::checkHtConfig($checks);
+               Install::checkSmarty3($checks);
+               Install::checkKeys($checks);
 
                if (!empty($app->config['php_path'])) {
-                       check_php($app->config['php_path'], $checks);
+                       Install::checkPHP($app->config['php_path'], $checks);
                } else {
                        throw new \RuntimeException(" ERROR: The php_path is not set in the config. Please check the file .htconfig.php.\n");
                }
diff --git a/src/Core/Install.php b/src/Core/Install.php
new file mode 100644 (file)
index 0000000..25ecb02
--- /dev/null
@@ -0,0 +1,331 @@
+<?php\r
+/**\r
+ * @file src/Core/Install.php\r
+ */\r
+namespace Friendica\Core;\r
+\r
+use Friendica\BaseObject;\r
+use Friendica\Database\DBStructure;\r
+use Friendica\Object\Image;\r
+use Friendica\Util\Network;\r
+\r
+use Exception;\r
+use DOMDocument;\r
+\r
+/**\r
+ * @brief Contains the class with install relevant stuff *\r
+ */\r
+class Install extends BaseObject\r
+{\r
+       public static function setInstallMode($mode = true) {\r
+               self::getApp()->install_mode = $mode;\r
+       }\r
+\r
+       public static function check($phpath = 'php')\r
+       {\r
+               $checks = [];\r
+\r
+               self::checkFunctions($checks);\r
+\r
+               self::checkImagik($checks);\r
+\r
+               self::checkHtConfig($checks);\r
+\r
+               self::checkSmarty3($checks);\r
+\r
+               self::checkKeys($checks);\r
+\r
+               self::checkPHP($phpath, $checks);\r
+\r
+               self::checkHtAccess($checks);\r
+\r
+               $checkspassed = array_reduce($checks,\r
+                       function ($v, $c) {\r
+                               if ($c['require']) {\r
+                                       $v = $v && $c['status'];\r
+                               }\r
+                               return $v;\r
+                       },\r
+                       true);\r
+\r
+               return array($checks, $checkspassed);\r
+       }\r
+\r
+       public static function install($urlpath, $dbhost, $dbuser, $dbpass, $dbdata, $phpath, $timezone, $language, $adminmail, $rino = 1)\r
+       {\r
+               $tpl = get_markup_template('htconfig.tpl');\r
+               $txt = replace_macros($tpl,[\r
+                       '$dbhost' => $dbhost,\r
+                       '$dbuser' => $dbuser,\r
+                       '$dbpass' => $dbpass,\r
+                       '$dbdata' => $dbdata,\r
+                       '$timezone' => $timezone,\r
+                       '$language' => $language,\r
+                       '$urlpath' => $urlpath,\r
+                       '$phpath' => $phpath,\r
+                       '$adminmail' => $adminmail,\r
+                       '$rino' => $rino\r
+               ]);\r
+\r
+\r
+               $result = file_put_contents('config/.htconfig.php', $txt);\r
+               if (! $result) {\r
+                       self::getApp()->data['txt'] = $txt;\r
+               }\r
+\r
+               $errors = self::loadDatabase();\r
+\r
+               if ($errors) {\r
+                       self::getApp()->data['db_failed'] = $errors;\r
+               } else {\r
+                       self::getApp()->data['db_installed'] = true;\r
+               }\r
+       }\r
+\r
+       /**\r
+        * checks   : array passed to template\r
+        * title    : string\r
+        * status   : boolean\r
+        * required : boolean\r
+        * help         : string optional\r
+        */\r
+       private static function addCheck(&$checks, $title, $status, $required, $help)\r
+       {\r
+               $checks[] = [\r
+                       'title' => $title,\r
+                       'status' => $status,\r
+                       'required' => $required,\r
+                       'help'  => $help,\r
+               ];\r
+       }\r
+\r
+       public static function checkPHP(&$phpath, &$checks)\r
+       {\r
+               $passed = $passed2 = $passed3 = false;\r
+               if (strlen($phpath)) {\r
+                       $passed = file_exists($phpath);\r
+               } else {\r
+                       $phpath = trim(shell_exec('which php'));\r
+                       $passed = strlen($phpath);\r
+               }\r
+               $help = "";\r
+               if (!$passed) {\r
+                       $help .= L10n::t('Could not find a command line version of PHP in the web server PATH.'). EOL;\r
+                       $help .= L10n::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;\r
+                       $help .= EOL . EOL;\r
+                       $tpl = get_markup_template('field_input.tpl');\r
+                       $help .= replace_macros($tpl, [\r
+                               '$field' => ['phpath', L10n::t('PHP executable path'), $phpath, L10n::t('Enter full path to php executable. You can leave this blank to continue the installation.')],\r
+                       ]);\r
+                       $phpath = "";\r
+               }\r
+\r
+               self::addCheck($checks, L10n::t('Command line PHP').($passed?" (<tt>$phpath</tt>)":""), $passed, false, $help);\r
+\r
+               if ($passed) {\r
+                       $cmd = "$phpath -v";\r
+                       $result = trim(shell_exec($cmd));\r
+                       $passed2 = ( strpos($result, "(cli)") !== false);\r
+                       list($result) = explode("\n", $result);\r
+                       $help = "";\r
+                       if (!$passed2) {\r
+                               $help .= L10n::t("PHP executable is not the php cli binary \x28could be cgi-fgci version\x29"). EOL;\r
+                               $help .= L10n::t('Found PHP version: ')."<tt>$result</tt>";\r
+                       }\r
+                       self::addCheck($checks, L10n::t('PHP cli binary'), $passed2, true, $help);\r
+               }\r
+\r
+\r
+               if ($passed2) {\r
+                       $str = autoname(8);\r
+                       $cmd = "$phpath testargs.php $str";\r
+                       $result = trim(shell_exec($cmd));\r
+                       $passed3 = $result == $str;\r
+                       $help = "";\r
+                       if (!$passed3) {\r
+                               $help .= L10n::t('The command line version of PHP on your system does not have "register_argc_argv" enabled.'). EOL;\r
+                               $help .= L10n::t('This is required for message delivery to work.');\r
+                       }\r
+                       self::addCheck($checks, L10n::t('PHP register_argc_argv'), $passed3, true, $help);\r
+               }\r
+\r
+\r
+       }\r
+\r
+       public static function checkKeys(&$checks)\r
+       {\r
+\r
+               $help = '';\r
+\r
+               $res = false;\r
+\r
+               if (function_exists('openssl_pkey_new')) {\r
+                       $res = openssl_pkey_new([\r
+                               'digest_alg'       => 'sha1',\r
+                               'private_key_bits' => 4096,\r
+                               'encrypt_key'      => false\r
+                       ]);\r
+               }\r
+\r
+               // Get private key\r
+\r
+               if (! $res) {\r
+                       $help .= L10n::t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys'). EOL;\r
+                       $help .= L10n::t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".');\r
+               }\r
+               self::addCheck($checks, L10n::t('Generate encryption keys'), $res, true, $help);\r
+\r
+       }\r
+\r
+\r
+       public static function checkFunctions(&$checks)\r
+       {\r
+               $ck_funcs = [];\r
+               self::addCheck($ck_funcs, L10n::t('libCurl PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('GD graphics PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('OpenSSL PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('PDO or MySQLi PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('mb_string PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('XML PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('iconv PHP module'), true, true, "");\r
+               self::addCheck($ck_funcs, L10n::t('POSIX PHP module'), true, true, "");\r
+\r
+               if (function_exists('apache_get_modules')) {\r
+                       if (! in_array('mod_rewrite',apache_get_modules())) {\r
+                               self::addCheck($ck_funcs, L10n::t('Apache mod_rewrite module'), false, true, L10n::t('Error: Apache webserver mod-rewrite module is required but not installed.'));\r
+                       } else {\r
+                               self::addCheck($ck_funcs, L10n::t('Apache mod_rewrite module'), true, true, "");\r
+                       }\r
+               }\r
+\r
+               if (! function_exists('curl_init')) {\r
+                       $ck_funcs[0]['status'] = false;\r
+                       $ck_funcs[0]['help'] = L10n::t('Error: libCURL PHP module required but not installed.');\r
+               }\r
+               if (! function_exists('imagecreatefromjpeg')) {\r
+                       $ck_funcs[1]['status'] = false;\r
+                       $ck_funcs[1]['help'] = L10n::t('Error: GD graphics PHP module with JPEG support required but not installed.');\r
+               }\r
+               if (! function_exists('openssl_public_encrypt')) {\r
+                       $ck_funcs[2]['status'] = false;\r
+                       $ck_funcs[2]['help'] = L10n::t('Error: openssl PHP module required but not installed.');\r
+               }\r
+               if (! function_exists('mysqli_connect') && !class_exists('pdo')) {\r
+                       $ck_funcs[3]['status'] = false;\r
+                       $ck_funcs[3]['help'] = L10n::t('Error: PDO or MySQLi PHP module required but not installed.');\r
+               }\r
+               if (!function_exists('mysqli_connect') && class_exists('pdo') && !in_array('mysql', PDO::getAvailableDrivers())) {\r
+                       $ck_funcs[3]['status'] = false;\r
+                       $ck_funcs[3]['help'] = L10n::t('Error: The MySQL driver for PDO is not installed.');\r
+               }\r
+               if (! function_exists('mb_strlen')) {\r
+                       $ck_funcs[4]['status'] = false;\r
+                       $ck_funcs[4]['help'] = L10n::t('Error: mb_string PHP module required but not installed.');\r
+               }\r
+               if (! function_exists('iconv_strlen')) {\r
+                       $ck_funcs[6]['status'] = false;\r
+                       $ck_funcs[6]['help'] = L10n::t('Error: iconv PHP module required but not installed.');\r
+               }\r
+               if (! function_exists('posix_kill')) {\r
+                       $ck_funcs[7]['status'] = false;\r
+                       $ck_funcs[7]['help'] = L10n::t('Error: POSIX PHP module required but not installed.');\r
+               }\r
+\r
+               $checks = array_merge($checks, $ck_funcs);\r
+\r
+               // check for XML DOM Documents being able to be generated\r
+               try {\r
+                       $xml = new DOMDocument();\r
+               } catch (Exception $e) {\r
+                       $ck_funcs[5]['status'] = false;\r
+                       $ck_funcs[5]['help'] = L10n::t('Error, XML PHP module required but not installed.');\r
+               }\r
+       }\r
+\r
+\r
+       public static function checkHtConfig(&$checks)\r
+       {\r
+               $status = true;\r
+               $help = "";\r
+               if ((file_exists('config/.htconfig.php') && !is_writable('.htconfig.php')) ||\r
+                       (!file_exists('config/.htconfig.php') && !is_writable('.'))) {\r
+\r
+                       $status = false;\r
+                       $help = L10n::t('The web installer needs to be able to create a file called ".htconfig.php" in the "config/" folder of your web server and it is unable to do so.') .EOL;\r
+                       $help .= L10n::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;\r
+                       $help .= L10n::t('At the end of this procedure, we will give you a text to save in a file named .htconfig.php in your Friendica "config/" folder.').EOL;\r
+                       $help .= L10n::t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.').EOL;\r
+               }\r
+\r
+               self::addCheck($checks, L10n::t('config/.htconfig.php is writable'), $status, false, $help);\r
+\r
+       }\r
+\r
+       public static function checkSmarty3(&$checks)\r
+       {\r
+               $status = true;\r
+               $help = "";\r
+               if (!is_writable('view/smarty3')) {\r
+\r
+                       $status = false;\r
+                       $help = L10n::t('Friendica uses the Smarty3 template engine to render its web views. Smarty3 compiles templates to PHP to speed up rendering.') .EOL;\r
+                       $help .= L10n::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;\r
+                       $help .= L10n::t("Please ensure that the user that your web server runs as \x28e.g. www-data\x29 has write access to this folder.").EOL;\r
+                       $help .= L10n::t("Note: as a security measure, you should give the web server write access to view/smarty3/ only--not the template files \x28.tpl\x29 that it contains.").EOL;\r
+               }\r
+\r
+               self::addCheck($checks, L10n::t('view/smarty3 is writable'), $status, true, $help);\r
+\r
+       }\r
+\r
+       public static function checkHtAccess(&$checks)\r
+       {\r
+               $status = true;\r
+               $help = "";\r
+               if (function_exists('curl_init')) {\r
+                       $test = Network::fetchUrl(System::baseUrl()."/install/testrewrite");\r
+\r
+                       if ($test != "ok") {\r
+                               $test = Network::fetchUrl(normalise_link(System::baseUrl()."/install/testrewrite"));\r
+                       }\r
+\r
+                       if ($test != "ok") {\r
+                               $status = false;\r
+                               $help = L10n::t('Url rewrite in .htaccess is not working. Check your server configuration.');\r
+                       }\r
+                       self::addCheck($checks, L10n::t('Url rewrite is working'), $status, true, $help);\r
+               } else {\r
+                       // cannot check modrewrite if libcurl is not installed\r
+                       /// @TODO Maybe issue warning here?\r
+               }\r
+       }\r
+\r
+       public static function checkImagik(&$checks)\r
+       {\r
+               $imagick = false;\r
+               $gif = false;\r
+\r
+               if (class_exists('Imagick')) {\r
+                       $imagick = true;\r
+                       $supported = Image::supportedTypes();\r
+                       if (array_key_exists('image/gif', $supported)) {\r
+                               $gif = true;\r
+                       }\r
+               }\r
+               if ($imagick == false) {\r
+                       self::addCheck($checks, L10n::t('ImageMagick PHP extension is not installed'), $imagick, false, "");\r
+               } else {\r
+                       self::addCheck($checks, L10n::t('ImageMagick PHP extension is installed'), $imagick, false, "");\r
+                       if ($imagick) {\r
+                               self::addCheck($checks, L10n::t('ImageMagick supports GIF'), $gif, false, "");\r
+                       }\r
+               }\r
+       }\r
+\r
+       public static function loadDatabase()\r
+       {\r
+               $errors = DBStructure::update(false, true, true);\r
+\r
+               return $errors;\r
+       }\r
+}
\ No newline at end of file