3 * @file src/Core/Install.php
5 namespace Friendica\Core;
9 use Friendica\Database\DBA;
10 use Friendica\Database\DBStructure;
11 use Friendica\Object\Image;
12 use Friendica\Util\Network;
15 * Contains methods for installation purpose of Friendica
19 // Default values for the install page
20 const DEFAULT_LANG = 'en';
21 const DEFAULT_TZ = 'America/Los_Angeles';
22 const DEFAULT_HOST = 'localhost';
25 * @var array the check outcomes
30 * Returns all checks made
32 * @return array the checks
34 public function getChecks()
42 public function resetChecks()
48 * Install constructor.
51 public function __construct()
57 * Checks the current installation environment. There are optional and mandatory checks.
59 * @param string $baseurl The baseurl of Friendica
60 * @param string $phpath Optional path to the PHP binary
62 * @return bool if the check succeed
64 public function checkEnvironment($baseurl, $phpath = null)
69 if (!$this->checkPHP($phpath)) {
74 if (!$this->checkFunctions()) {
78 if (!$this->checkImagick()) {
82 if (!$this->checkLocalIni()) {
86 if (!$this->checkSmarty3()) {
90 if (!$this->checkKeys()) {
94 if (!$this->checkHtAccess($baseurl)) {
102 * Executes the installation of Friendica in the given environment.
103 * - Creates `config/local.ini.php`
104 * - Installs Database Structure
106 * @param string $phppath Path to the PHP-Binary (optional, if not set e.g. 'php' or '/usr/bin/php')
107 * @param string $urlpath Path based on the URL of Friendica (e.g. '/friendica')
108 * @param string $dbhost Hostname/IP of the Friendica Database
109 * @param string $dbuser Username of the Database connection credentials
110 * @param string $dbpass Password of the Database connection credentials
111 * @param string $dbdata Name of the Database
112 * @param string $timezone Timezone of the Friendica Installaton (e.g. 'Europe/Berlin')
113 * @param string $language 2-letter ISO 639-1 code (eg. 'en')
114 * @param string $adminmail Mail-Adress of the administrator
115 * @param string $basepath The basepath of Friendica
117 * @return bool true if the config was created, otherwise false
119 public function createConfig($phppath, $urlpath, $dbhost, $dbuser, $dbpass, $dbdata, $timezone, $language, $adminmail, $basepath)
121 $tpl = get_markup_template('local.ini.tpl');
122 $txt = replace_macros($tpl, [
123 '$phpath' => $phppath,
124 '$dbhost' => $dbhost,
125 '$dbuser' => $dbuser,
126 '$dbpass' => $dbpass,
127 '$dbdata' => $dbdata,
128 '$timezone' => $timezone,
129 '$language' => $language,
130 '$urlpath' => $urlpath,
131 '$adminmail' => $adminmail,
134 $result = file_put_contents($basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'local.ini.php', $txt);
137 $this->addCheck(L10n::t('The database configuration file "config/local.ini.php" could not be written. Please use the enclosed text to create a configuration file in your web server root.'), false, false, htmlentities($txt, ENT_COMPAT, 'UTF-8'));
144 * Installs the DB-Scheme for Friendica
146 * @return bool true if the installation was successful, otherwise false
148 public function installDatabase()
150 $result = DBStructure::update(false, true, true);
153 $txt = L10n::t('You may need to import the file "database.sql" manually using phpmyadmin or mysql.') . EOL;
154 $txt .= L10n::t('Please see the file "INSTALL.txt".');
156 $this->addCheck($txt, false, true, htmlentities($result, ENT_COMPAT, 'UTF-8'));
165 * Adds new checks to the array $checks
167 * @param string $title The title of the current check
168 * @param bool $status 1 = check passed, 0 = check not passed
169 * @param bool $required 1 = check is mandatory, 0 = check is optional
170 * @param string $help A help-string for the current check
171 * @param string $error_msg Optional. A error message, if the current check failed
173 private function addCheck($title, $status, $required, $help, $error_msg = "")
175 array_push($this->checks, [
178 'required' => $required,
180 'error_msg' => $error_msg,
187 * Checks the PHP environment.
189 * - Checks if a PHP binary is available
190 * - Checks if it is the CLI version
191 * - Checks if "register_argc_argv" is enabled
193 * @param string $phppath Optional. The Path to the PHP-Binary
194 * @param bool $required Optional. If set to true, the PHP-Binary has to exist (Default false)
196 * @return bool false if something required failed
198 public function checkPHP($phppath = null, $required = false)
200 $passed = $passed2 = $passed3 = false;
201 if (isset($phppath)) {
202 $passed = file_exists($phppath);
204 $phppath = trim(shell_exec('which php'));
205 $passed = strlen($phppath);
210 $help .= L10n::t('Could not find a command line version of PHP in the web server PATH.') . EOL;
211 $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;
213 $tpl = get_markup_template('field_input.tpl');
214 $help .= replace_macros($tpl, [
215 '$field' => ['phpath', L10n::t('PHP executable path'), $phppath, L10n::t('Enter full path to php executable. You can leave this blank to continue the installation.')],
220 $this->addCheck(L10n::t('Command line PHP') . ($passed ? " (<tt>$phppath</tt>)" : ""), $passed, false, $help);
223 $cmd = "$phppath -v";
224 $result = trim(shell_exec($cmd));
225 $passed2 = (strpos($result, "(cli)") !== false);
226 list($result) = explode("\n", $result);
229 $help .= L10n::t("PHP executable is not the php cli binary \x28could be cgi-fgci version\x29") . EOL;
230 $help .= L10n::t('Found PHP version: ') . "<tt>$result</tt>";
232 $this->addCheck(L10n::t('PHP cli binary'), $passed2, true, $help);
234 // return if it was required
240 $cmd = "$phppath testargs.php $str";
241 $result = trim(shell_exec($cmd));
242 $passed3 = $result == $str;
245 $help .= L10n::t('The command line version of PHP on your system does not have "register_argc_argv" enabled.') . EOL;
246 $help .= L10n::t('This is required for message delivery to work.');
248 $this->phppath = $phppath;
251 $this->addCheck(L10n::t('PHP register_argc_argv'), $passed3, true, $help);
254 // passed2 & passed3 are required if first check passed
255 return $passed2 && $passed3;
261 * Checks the OpenSSL Environment
263 * - Checks, if the command "openssl_pkey_new" is available
265 * @return bool false if something required failed
267 public function checkKeys()
273 if (function_exists('openssl_pkey_new')) {
274 $res = openssl_pkey_new([
275 'digest_alg' => 'sha1',
276 'private_key_bits' => 4096,
277 'encrypt_key' => false
283 $help .= L10n::t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys') . EOL;
284 $help .= L10n::t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".');
287 $this->addCheck(L10n::t('Generate encryption keys'), $res, true, $help);
293 * PHP basic function check
295 * @param string $name The name of the function
296 * @param string $title The (localized) title of the function
297 * @param string $help The (localized) help of the function
298 * @param boolean $required If true, this check is required
300 * @return bool false, if the check failed
302 private function checkFunction($name, $title, $help, $required)
306 if (!function_exists($name)) {
310 $this->addCheck($title, $status, $required, $currHelp);
312 return $status || (!$status && !$required);
316 * PHP functions Check
318 * Checks the following PHP functions
328 * @return bool false if something required failed
330 public function checkFunctions()
336 if (function_exists('apache_get_modules')) {
337 if (!in_array('mod_rewrite', apache_get_modules())) {
338 $help = L10n::t('Error: Apache webserver mod-rewrite module is required but not installed.');
343 $this->addCheck(L10n::t('Apache mod_rewrite module'), $status, true, $help);
347 if (!function_exists('mysqli_connect') && !class_exists('pdo')) {
349 $help = L10n::t('Error: PDO or MySQLi PHP module required but not installed.');
352 if (!function_exists('mysqli_connect') && class_exists('pdo') && !in_array('mysql', \PDO::getAvailableDrivers())) {
354 $help = L10n::t('Error: The MySQL driver for PDO is not installed.');
358 $this->addCheck(L10n::t('PDO or MySQLi PHP module'), $status, true, $help);
360 // check for XML DOM Documents being able to be generated
364 $xml = new DOMDocument();
365 } catch (Exception $e) {
366 $help = L10n::t('Error, XML PHP module required but not installed.');
370 $this->addCheck(L10n::t('XML PHP module'), $status, true, $help);
372 $status = $this->checkFunction('curl_init',
373 L10n::t('libCurl PHP module'),
374 L10n::t('Error: libCURL PHP module required but not installed.'),
377 $returnVal = $returnVal ? $status : false;
379 $status = $this->checkFunction('imagecreatefromjpeg',
380 L10n::t('GD graphics PHP module'),
381 L10n::t('Error: GD graphics PHP module with JPEG support required but not installed.'),
384 $returnVal = $returnVal ? $status : false;
386 $status = $this->checkFunction('openssl_public_encrypt',
387 L10n::t('OpenSSL PHP module'),
388 L10n::t('Error: openssl PHP module required but not installed.'),
391 $returnVal = $returnVal ? $status : false;
393 $status = $this->checkFunction('mb_strlen',
394 L10n::t('mb_string PHP module'),
395 L10n::t('Error: mb_string PHP module required but not installed.'),
398 $returnVal = $returnVal ? $status : false;
400 $status = $this->checkFunction('iconv_strlen',
401 L10n::t('iconv PHP module'),
402 L10n::t('Error: iconv PHP module required but not installed.'),
405 $returnVal = $returnVal ? $status : false;
407 $status = $this->checkFunction('posix_kill',
408 L10n::t('POSIX PHP module'),
409 L10n::t('Error: POSIX PHP module required but not installed.'),
412 $returnVal = $returnVal ? $status : false;
418 * "config/local.ini.php" - Check
420 * Checks if it's possible to create the "config/local.ini.php"
422 * @return bool false if something required failed
424 public function checkLocalIni()
428 if ((file_exists('config/local.ini.php') && !is_writable('config/local.ini.php')) ||
429 (!file_exists('config/local.ini.php') && !is_writable('.'))) {
432 $help = L10n::t('The web installer needs to be able to create a file called "local.ini.php" in the "config" folder of your web server and it is unable to do so.') . EOL;
433 $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;
434 $help .= L10n::t('At the end of this procedure, we will give you a text to save in a file named local.ini.php in your Friendica "config" folder.') . EOL;
435 $help .= L10n::t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.') . EOL;
438 $this->addCheck(L10n::t('config/local.ini.php is writable'), $status, false, $help);
440 // Local INI File is not required
445 * Smarty3 Template Check
447 * Checks, if the directory of Smarty3 is writable
449 * @return bool false if something required failed
451 public function checkSmarty3()
455 if (!is_writable('view/smarty3')) {
458 $help = L10n::t('Friendica uses the Smarty3 template engine to render its web views. Smarty3 compiles templates to PHP to speed up rendering.') . EOL;
459 $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;
460 $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;
461 $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;
464 $this->addCheck(L10n::t('view/smarty3 is writable'), $status, true, $help);
470 * ".htaccess" - Check
472 * Checks, if "url_rewrite" is enabled in the ".htaccess" file
474 * @param string $baseurl The baseurl of the app
475 * @return bool false if something required failed
477 public function checkHtAccess($baseurl)
482 if (function_exists('curl_init')) {
483 $fetchResult = Network::fetchUrlFull($baseurl . "/install/testrewrite");
485 $url = normalise_link($baseurl . "/install/testrewrite");
486 if ($fetchResult->getReturnCode() != 204) {
487 $fetchResult = Network::fetchUrlFull($url);
490 if ($fetchResult->getReturnCode() != 204) {
492 $help = L10n::t('Url rewrite in .htaccess is not working. Make sure you copied .htaccess-dist to .htaccess.');
494 $error_msg['head'] = L10n::t('Error message from Curl when fetching');
495 $error_msg['url'] = $fetchResult->getRedirectUrl();
496 $error_msg['msg'] = $fetchResult->getError();
499 $this->addCheck(L10n::t('Url rewrite is working'), $status, true, $help, $error_msg);
501 // cannot check modrewrite if libcurl is not installed
502 /// @TODO Maybe issue warning here?
511 * Checks, if the imagick module is available
513 * @return bool false if something required failed
515 public function checkImagick()
520 if (class_exists('Imagick')) {
522 $supported = Image::supportedTypes();
523 if (array_key_exists('image/gif', $supported)) {
528 $this->addCheck(L10n::t('ImageMagick PHP extension is not installed'), $imagick, false, "");
530 $this->addCheck(L10n::t('ImageMagick PHP extension is installed'), $imagick, false, "");
532 $this->addCheck(L10n::t('ImageMagick supports GIF'), $gif, false, "");
536 // Imagick is not required
541 * Checking the Database connection and if it is available for the current installation
543 * @param string $dbhost Hostname/IP of the Friendica Database
544 * @param string $dbuser Username of the Database connection credentials
545 * @param string $dbpass Password of the Database connection credentials
546 * @param string $dbdata Name of the Database
548 * @return bool true if the check was successful, otherwise false
550 public function checkDB($dbhost, $dbuser, $dbpass, $dbdata)
552 require_once 'include/dba.php';
553 if (!DBA::connect($dbhost, $dbuser, $dbpass, $dbdata)) {
554 $this->addCheck(L10n::t('Could not connect to database.'), false, true, '');
559 if (DBA::connected()) {
560 if (DBA::count('user') > 0) {
561 $this->addCheck(L10n::t('Database already in use.'), false, true, '');