3 * @file src/Core/Install.php
5 namespace Friendica\Core;
9 use Friendica\Object\Image;
10 use Friendica\Util\Network;
13 * Contains methods for installation purpose of Friendica
18 * @var array the check outcomes
23 * Returns all checks made
25 * @return array the checks
27 public function getChecks()
35 public function resetChecks()
41 * Install constructor.
44 public function __construct()
50 * Checks the current installation environment. There are optional and mandatory checks.
52 * @param string $basepath The basepath of Friendica
53 * @param string $baseurl The baseurl of Friendica
54 * @param string $phpath Optional path to the PHP binary
56 * @return bool if the check succeed
58 public function checkAll($basepath, $baseurl, $phpath = null)
63 if (!$this->checkPHP($phpath)) {
68 if (!$this->checkFunctions()) {
72 if (!$this->checkImagick()) {
76 if (!$this->checkLocalIni()) {
80 if (!$this->checkSmarty3()) {
84 if (!$this->checkKeys()) {
88 if (!$this->checkHtAccess($basepath, $baseurl)) {
96 * Executes the installation of Friendica in the given environment.
97 * - Creates `config/local.ini.php`
98 * - Installs Database Structure
100 * @param string $urlpath Path based on the URL of Friendica (e.g. '/friendica')
101 * @param string $dbhost Hostname/IP of the Friendica Database
102 * @param string $dbuser Username of the Database connection credentials
103 * @param string $dbpass Password of the Database connection credentials
104 * @param string $dbdata Name of the Database
105 * @param string $timezone Timezone of the Friendica Installaton (e.g. 'Europe/Berlin')
106 * @param string $language 2-letter ISO 639-1 code (eg. 'en')
107 * @param string $adminmail Mail-Adress of the administrator
108 * @param string $basepath The basepath of Friendica
109 * @param string $phpath Path to the PHP-Binary (optional, if not set e.g. 'php' or '/usr/bin/php')
111 * @return bool|string true if the config was created, the text if something went wrong
113 public function createConfig($phppath, $urlpath, $dbhost, $dbuser, $dbpass, $dbdata, $timezone, $language, $adminmail, $basepath)
115 $tpl = get_markup_template('local.ini.tpl');
116 $txt = replace_macros($tpl,[
117 '$phpath' => $phppath,
118 '$dbhost' => $dbhost,
119 '$dbuser' => $dbuser,
120 '$dbpass' => $dbpass,
121 '$dbdata' => $dbdata,
122 '$timezone' => $timezone,
123 '$language' => $language,
124 '$urlpath' => $urlpath,
125 '$adminmail' => $adminmail,
128 $result = file_put_contents($basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'local.ini.php', $txt);
138 * Adds new checks to the array $checks
140 * @param string $title The title of the current check
141 * @param bool $status 1 = check passed, 0 = check not passed
142 * @param bool $required 1 = check is mandatory, 0 = check is optional
143 * @param string $help A help-string for the current check
144 * @param string $error_msg Optional. A error message, if the current check failed
146 private function addCheck($title, $status, $required, $help, $error_msg = "")
148 array_push($this->checks, [
151 'required' => $required,
153 'error_msg' => $error_msg,
160 * Checks the PHP environment.
162 * - Checks if a PHP binary is available
163 * - Checks if it is the CLI version
164 * - Checks if "register_argc_argv" is enabled
166 * @param string $phppath Optional. The Path to the PHP-Binary
167 * @param bool $required Optional. If set to true, the PHP-Binary has to exist (Default false)
169 * @return bool false if something required failed
171 public function checkPHP($phppath = null, $required = false)
173 $passed = $passed2 = $passed3 = false;
174 if (isset($phppath)) {
175 $passed = file_exists($phppath);
177 $phppath = trim(shell_exec('which php'));
178 $passed = strlen($phppath);
183 $help .= L10n::t('Could not find a command line version of PHP in the web server PATH.') . EOL;
184 $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;
186 $tpl = get_markup_template('field_input.tpl');
187 $help .= replace_macros($tpl, [
188 '$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.')],
193 $this->addCheck(L10n::t('Command line PHP') . ($passed ? " (<tt>$phppath</tt>)" : ""), $passed, false, $help);
196 $cmd = "$phppath -v";
197 $result = trim(shell_exec($cmd));
198 $passed2 = (strpos($result, "(cli)") !== false);
199 list($result) = explode("\n", $result);
202 $help .= L10n::t("PHP executable is not the php cli binary \x28could be cgi-fgci version\x29") . EOL;
203 $help .= L10n::t('Found PHP version: ') . "<tt>$result</tt>";
205 $this->addCheck(L10n::t('PHP cli binary'), $passed2, true, $help);
207 // return if it was required
213 $cmd = "$phppath testargs.php $str";
214 $result = trim(shell_exec($cmd));
215 $passed3 = $result == $str;
218 $help .= L10n::t('The command line version of PHP on your system does not have "register_argc_argv" enabled.') . EOL;
219 $help .= L10n::t('This is required for message delivery to work.');
221 $this->phppath = $phppath;
224 $this->addCheck(L10n::t('PHP register_argc_argv'), $passed3, true, $help);
227 // passed2 & passed3 are required if first check passed
228 return $passed2 && $passed3;
234 * Checks the OpenSSL Environment
236 * - Checks, if the command "openssl_pkey_new" is available
238 * @return bool false if something required failed
240 public function checkKeys()
246 if (function_exists('openssl_pkey_new')) {
247 $res = openssl_pkey_new([
248 'digest_alg' => 'sha1',
249 'private_key_bits' => 4096,
250 'encrypt_key' => false
256 $help .= L10n::t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys') . EOL;
257 $help .= L10n::t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".');
260 $this->addCheck(L10n::t('Generate encryption keys'), $res, true, $help);
266 * PHP basic function check
268 * @param string $name The name of the function
269 * @param string $title The (localized) title of the function
270 * @param string $help The (localized) help of the function
271 * @param boolean $required If true, this check is required
273 * @return bool false, if the check failed
275 private function checkFunction($name, $title, $help, $required)
279 if (!function_exists($name)) {
283 $this->addCheck($title, $status, $required, $currHelp);
285 return $status || (!$status && !$required);
289 * PHP functions Check
291 * Checks the following PHP functions
301 * @return bool false if something required failed
303 public function checkFunctions()
309 if (function_exists('apache_get_modules')) {
310 if (!in_array('mod_rewrite', apache_get_modules())) {
311 $help = L10n::t('Error: Apache webserver mod-rewrite module is required but not installed.');
316 $this->addCheck(L10n::t('Apache mod_rewrite module'), $status, true, $help);
320 if (!function_exists('mysqli_connect') && !class_exists('pdo')) {
322 $help = L10n::t('Error: PDO or MySQLi PHP module required but not installed.');
325 if (!function_exists('mysqli_connect') && class_exists('pdo') && !in_array('mysql', \PDO::getAvailableDrivers())) {
327 $help = L10n::t('Error: The MySQL driver for PDO is not installed.');
331 $this->addCheck(L10n::t('PDO or MySQLi PHP module'), $status, true, $help);
333 // check for XML DOM Documents being able to be generated
337 $xml = new DOMDocument();
338 } catch (Exception $e) {
339 $help = L10n::t('Error, XML PHP module required but not installed.');
343 $this->addCheck(L10n::t('XML PHP module'), $status, true, $help);
345 $status = $this->checkFunction('curl_init',
346 L10n::t('libCurl PHP module'),
347 L10n::t('Error: libCURL PHP module required but not installed.'),
350 $returnVal = $returnVal ? $status : false;
352 $status = $this->checkFunction('imagecreatefromjpeg',
353 L10n::t('GD graphics PHP module'),
354 L10n::t('Error: GD graphics PHP module with JPEG support required but not installed.'),
357 $returnVal = $returnVal ? $status : false;
359 $status = $this->checkFunction('openssl_public_encrypt',
360 L10n::t('OpenSSL PHP module'),
361 L10n::t('Error: openssl PHP module required but not installed.'),
364 $returnVal = $returnVal ? $status : false;
366 $status = $this->checkFunction('mb_strlen',
367 L10n::t('mb_string PHP module'),
368 L10n::t('Error: mb_string PHP module required but not installed.'),
371 $returnVal = $returnVal ? $status : false;
373 $status = $this->checkFunction('iconv_strlen',
374 L10n::t('iconv PHP module'),
375 L10n::t('Error: iconv PHP module required but not installed.'),
378 $returnVal = $returnVal ? $status : false;
380 $status = $this->checkFunction('posix_kill',
381 L10n::t('POSIX PHP module'),
382 L10n::t('Error: POSIX PHP module required but not installed.'),
385 $returnVal = $returnVal ? $status : false;
391 * "config/local.ini.php" - Check
393 * Checks if it's possible to create the "config/local.ini.php"
395 * @return bool false if something required failed
397 public function checkLocalIni()
401 if ((file_exists('config/local.ini.php') && !is_writable('config/local.ini.php')) ||
402 (!file_exists('config/local.ini.php') && !is_writable('.'))) {
405 $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;
406 $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;
407 $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;
408 $help .= L10n::t('You can alternatively skip this procedure and perform a manual installation. Please see the file "INSTALL.txt" for instructions.') . EOL;
411 $this->addCheck(L10n::t('config/local.ini.php is writable'), $status, false, $help);
413 // Local INI File is not required
418 * Smarty3 Template Check
420 * Checks, if the directory of Smarty3 is writable
422 * @return bool false if something required failed
424 public function checkSmarty3()
428 if (!is_writable('view/smarty3')) {
431 $help = L10n::t('Friendica uses the Smarty3 template engine to render its web views. Smarty3 compiles templates to PHP to speed up rendering.') . EOL;
432 $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;
433 $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;
434 $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;
437 $this->addCheck(L10n::t('view/smarty3 is writable'), $status, true, $help);
443 * ".htaccess" - Check
445 * Checks, if "url_rewrite" is enabled in the ".htaccess" file
447 * @param string $basepath The basepath of the app
448 * @param string $baseurl The baseurl of the app
449 * @return bool false if something required failed
451 public function checkHtAccess($basepath, $baseurl)
456 if (function_exists('curl_init')) {
457 $fetchResult = Network::fetchUrlFull($basepath . "/install/testrewrite");
459 $url = normalise_link($baseurl . "/install/testrewrite");
460 if ($fetchResult->getBody() != "ok") {
461 $fetchResult = Network::fetchUrlFull($url);
464 if ($fetchResult->getBody() != "ok") {
466 $help = L10n::t('Url rewrite in .htaccess is not working. Check your server configuration.');
468 $error_msg['head'] = L10n::t('Error message from Curl when fetching');
469 $error_msg['url'] = $fetchResult->getRedirectUrl();
470 $error_msg['msg'] = $fetchResult->getError();
473 $this->addCheck(L10n::t('Url rewrite is working'), $status, true, $help, $error_msg);
475 // cannot check modrewrite if libcurl is not installed
476 /// @TODO Maybe issue warning here?
485 * Checks, if the imagick module is available
487 * @return bool false if something required failed
489 public function checkImagick()
494 if (class_exists('Imagick')) {
496 $supported = Image::supportedTypes();
497 if (array_key_exists('image/gif', $supported)) {
502 $this->addCheck(L10n::t('ImageMagick PHP extension is not installed'), $imagick, false, "");
504 $this->addCheck(L10n::t('ImageMagick PHP extension is installed'), $imagick, false, "");
506 $this->addCheck(L10n::t('ImageMagick supports GIF'), $gif, false, "");
510 // Imagick is not required