630 lines
18 KiB
PHP
630 lines
18 KiB
PHP
<?php
|
|
/**
|
|
* @file src/Core/Install.php
|
|
*/
|
|
namespace Friendica\Core;
|
|
|
|
use DOMDocument;
|
|
use Exception;
|
|
use Friendica\Core\Config\Cache\ConfigCache;
|
|
use Friendica\Database\Database;
|
|
use Friendica\Database\DBStructure;
|
|
use Friendica\Util\Images;
|
|
use Friendica\Util\Network;
|
|
use Friendica\Util\Strings;
|
|
|
|
/**
|
|
* Contains methods for installation purpose of Friendica
|
|
*/
|
|
class Installer
|
|
{
|
|
// Default values for the install page
|
|
const DEFAULT_LANG = 'en';
|
|
const DEFAULT_TZ = 'America/Los_Angeles';
|
|
const DEFAULT_HOST = 'localhost';
|
|
|
|
/**
|
|
* @var array the check outcomes
|
|
*/
|
|
private $checks;
|
|
|
|
/**
|
|
* @var string The path to the PHP binary
|
|
*/
|
|
private $phppath = null;
|
|
|
|
/**
|
|
* Returns all checks made
|
|
*
|
|
* @return array the checks
|
|
*/
|
|
public function getChecks()
|
|
{
|
|
return $this->checks;
|
|
}
|
|
|
|
/**
|
|
* Returns the PHP path
|
|
*
|
|
* @return string the PHP Path
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public function getPHPPath()
|
|
{
|
|
// if not set, determine the PHP path
|
|
if (!isset($this->phppath)) {
|
|
$this->checkPHP();
|
|
$this->resetChecks();
|
|
}
|
|
|
|
return $this->phppath;
|
|
}
|
|
|
|
/**
|
|
* Resets all checks
|
|
*/
|
|
public function resetChecks()
|
|
{
|
|
$this->checks = [];
|
|
}
|
|
|
|
/**
|
|
* Install constructor.
|
|
*
|
|
*/
|
|
public function __construct()
|
|
{
|
|
$this->checks = [];
|
|
}
|
|
|
|
/**
|
|
* Checks the current installation environment. There are optional and mandatory checks.
|
|
*
|
|
* @param string $baseurl The baseurl of Friendica
|
|
* @param string $phpath Optional path to the PHP binary
|
|
*
|
|
* @return bool if the check succeed
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public function checkEnvironment($baseurl, $phpath = null)
|
|
{
|
|
$returnVal = true;
|
|
|
|
if (isset($phpath)) {
|
|
if (!$this->checkPHP($phpath)) {
|
|
$returnVal = false;
|
|
}
|
|
}
|
|
|
|
if (!$this->checkFunctions()) {
|
|
$returnVal = false;
|
|
}
|
|
|
|
if (!$this->checkImagick()) {
|
|
$returnVal = false;
|
|
}
|
|
|
|
if (!$this->checkLocalIni()) {
|
|
$returnVal = false;
|
|
}
|
|
|
|
if (!$this->checkSmarty3()) {
|
|
$returnVal = false;
|
|
}
|
|
|
|
if (!$this->checkKeys()) {
|
|
$returnVal = false;
|
|
}
|
|
|
|
if (!$this->checkHtAccess($baseurl)) {
|
|
$returnVal = false;
|
|
}
|
|
|
|
return $returnVal;
|
|
}
|
|
|
|
/**
|
|
* Executes the installation of Friendica in the given environment.
|
|
* - Creates `config/local.config.php`
|
|
* - Installs Database Structure
|
|
*
|
|
* @param ConfigCache $configCache The config cache with all config relevant information
|
|
*
|
|
* @return bool true if the config was created, otherwise false
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public function createConfig(ConfigCache $configCache)
|
|
{
|
|
$basepath = $configCache->get('system', 'basepath');
|
|
|
|
$tpl = Renderer::getMarkupTemplate('local.config.tpl');
|
|
$txt = Renderer::replaceMacros($tpl, [
|
|
'$dbhost' => $configCache->get('database', 'hostname'),
|
|
'$dbuser' => $configCache->get('database', 'username'),
|
|
'$dbpass' => $configCache->get('database', 'password'),
|
|
'$dbdata' => $configCache->get('database', 'database'),
|
|
|
|
'$phpath' => $configCache->get('config', 'php_path'),
|
|
'$adminmail' => $configCache->get('config', 'admin_email'),
|
|
'$hostname' => $configCache->get('config', 'hostname'),
|
|
|
|
'$urlpath' => $configCache->get('system', 'urlpath'),
|
|
'$baseurl' => $configCache->get('system', 'url'),
|
|
'$sslpolicy' => $configCache->get('system', 'ssl_policy'),
|
|
'$basepath' => $basepath,
|
|
'$timezone' => $configCache->get('system', 'default_timezone'),
|
|
'$language' => $configCache->get('system', 'language'),
|
|
]);
|
|
|
|
$result = file_put_contents($basepath . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'local.config.php', $txt);
|
|
|
|
if (!$result) {
|
|
$this->addCheck(L10n::t('The database configuration file "config/local.config.php" could not be written. Please use the enclosed text to create a configuration file in your web server root.'), false, false, htmlentities($txt, ENT_COMPAT, 'UTF-8'));
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
/***
|
|
* Installs the DB-Scheme for Friendica
|
|
*
|
|
* @param string $basePath The base path of this application
|
|
*
|
|
* @return bool true if the installation was successful, otherwise false
|
|
* @throws Exception
|
|
*/
|
|
public function installDatabase($basePath)
|
|
{
|
|
$result = DBStructure::update($basePath, false, true, true);
|
|
|
|
if ($result) {
|
|
$txt = L10n::t('You may need to import the file "database.sql" manually using phpmyadmin or mysql.') . EOL;
|
|
$txt .= L10n::t('Please see the file "INSTALL.txt".');
|
|
|
|
$this->addCheck($txt, false, true, htmlentities($result, ENT_COMPAT, 'UTF-8'));
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Adds new checks to the array $checks
|
|
*
|
|
* @param string $title The title of the current check
|
|
* @param bool $status 1 = check passed, 0 = check not passed
|
|
* @param bool $required 1 = check is mandatory, 0 = check is optional
|
|
* @param string $help A help-string for the current check
|
|
* @param string $error_msg Optional. A error message, if the current check failed
|
|
*/
|
|
private function addCheck($title, $status, $required, $help, $error_msg = "")
|
|
{
|
|
array_push($this->checks, [
|
|
'title' => $title,
|
|
'status' => $status,
|
|
'required' => $required,
|
|
'help' => $help,
|
|
'error_msg' => $error_msg,
|
|
]);
|
|
}
|
|
|
|
/**
|
|
* PHP Check
|
|
*
|
|
* Checks the PHP environment.
|
|
*
|
|
* - Checks if a PHP binary is available
|
|
* - Checks if it is the CLI version
|
|
* - Checks if "register_argc_argv" is enabled
|
|
*
|
|
* @param string $phppath Optional. The Path to the PHP-Binary
|
|
* @param bool $required Optional. If set to true, the PHP-Binary has to exist (Default false)
|
|
*
|
|
* @return bool false if something required failed
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public function checkPHP($phppath = null, $required = false)
|
|
{
|
|
$passed3 = false;
|
|
|
|
if (!isset($phppath)) {
|
|
$phppath = 'php';
|
|
}
|
|
|
|
$passed = file_exists($phppath);
|
|
if (!$passed) {
|
|
$phppath = trim(shell_exec('which ' . $phppath));
|
|
$passed = strlen($phppath);
|
|
}
|
|
|
|
$help = "";
|
|
if (!$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 = Renderer::getMarkupTemplate('field_input.tpl');
|
|
/// @todo Separate backend Installer class and presentation layer/view
|
|
$help .= Renderer::replaceMacros($tpl, [
|
|
'$field' => ['config-php_path', L10n::t('PHP executable path'), $phppath, L10n::t('Enter full path to php executable. You can leave this blank to continue the installation.')],
|
|
]);
|
|
$phppath = "";
|
|
}
|
|
|
|
$this->addCheck(L10n::t('Command line PHP') . ($passed ? " (<tt>$phppath</tt>)" : ""), $passed, false, $help);
|
|
|
|
if ($passed) {
|
|
$cmd = "$phppath -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>";
|
|
}
|
|
$this->addCheck(L10n::t('PHP cli binary'), $passed2, true, $help);
|
|
} else {
|
|
// return if it was required
|
|
return !$required;
|
|
}
|
|
|
|
if ($passed2) {
|
|
$str = Strings::getRandomName(8);
|
|
$cmd = "$phppath bin/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.');
|
|
} else {
|
|
$this->phppath = $phppath;
|
|
}
|
|
|
|
$this->addCheck(L10n::t('PHP register_argc_argv'), $passed3, true, $help);
|
|
}
|
|
|
|
// passed2 & passed3 are required if first check passed
|
|
return $passed2 && $passed3;
|
|
}
|
|
|
|
/**
|
|
* OpenSSL Check
|
|
*
|
|
* Checks the OpenSSL Environment
|
|
*
|
|
* - Checks, if the command "openssl_pkey_new" is available
|
|
*
|
|
* @return bool false if something required failed
|
|
*/
|
|
public function checkKeys()
|
|
{
|
|
$help = '';
|
|
$res = false;
|
|
$status = true;
|
|
|
|
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".');
|
|
$status = false;
|
|
}
|
|
$this->addCheck(L10n::t('Generate encryption keys'), $res, true, $help);
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* PHP basic function check
|
|
*
|
|
* @param string $name The name of the function
|
|
* @param string $title The (localized) title of the function
|
|
* @param string $help The (localized) help of the function
|
|
* @param boolean $required If true, this check is required
|
|
*
|
|
* @return bool false, if the check failed
|
|
*/
|
|
private function checkFunction($name, $title, $help, $required)
|
|
{
|
|
$currHelp = '';
|
|
$status = true;
|
|
if (!function_exists($name)) {
|
|
$currHelp = $help;
|
|
$status = false;
|
|
}
|
|
$this->addCheck($title, $status, $required, $currHelp);
|
|
|
|
return $status || (!$status && !$required);
|
|
}
|
|
|
|
/**
|
|
* PHP functions Check
|
|
*
|
|
* Checks the following PHP functions
|
|
* - libCurl
|
|
* - GD Graphics
|
|
* - OpenSSL
|
|
* - PDO or MySQLi
|
|
* - mb_string
|
|
* - XML
|
|
* - iconv
|
|
* - fileinfo
|
|
* - POSIX
|
|
*
|
|
* @return bool false if something required failed
|
|
*/
|
|
public function checkFunctions()
|
|
{
|
|
$returnVal = true;
|
|
|
|
$help = '';
|
|
$status = true;
|
|
if (function_exists('apache_get_modules')) {
|
|
if (!in_array('mod_rewrite', apache_get_modules())) {
|
|
$help = L10n::t('Error: Apache webserver mod-rewrite module is required but not installed.');
|
|
$status = false;
|
|
$returnVal = false;
|
|
}
|
|
}
|
|
$this->addCheck(L10n::t('Apache mod_rewrite module'), $status, true, $help);
|
|
|
|
$help = '';
|
|
$status = true;
|
|
if (!function_exists('mysqli_connect') && !class_exists('pdo')) {
|
|
$status = false;
|
|
$help = L10n::t('Error: PDO or MySQLi PHP module required but not installed.');
|
|
$returnVal = false;
|
|
} else {
|
|
if (!function_exists('mysqli_connect') && class_exists('pdo') && !in_array('mysql', \PDO::getAvailableDrivers())) {
|
|
$status = false;
|
|
$help = L10n::t('Error: The MySQL driver for PDO is not installed.');
|
|
$returnVal = false;
|
|
}
|
|
}
|
|
$this->addCheck(L10n::t('PDO or MySQLi PHP module'), $status, true, $help);
|
|
|
|
// check for XML DOM Documents being able to be generated
|
|
$help = '';
|
|
$status = true;
|
|
try {
|
|
new DOMDocument();
|
|
} catch (Exception $e) {
|
|
$help = L10n::t('Error, XML PHP module required but not installed.');
|
|
$status = false;
|
|
$returnVal = false;
|
|
}
|
|
$this->addCheck(L10n::t('XML PHP module'), $status, true, $help);
|
|
|
|
$status = $this->checkFunction('curl_init',
|
|
L10n::t('libCurl PHP module'),
|
|
L10n::t('Error: libCURL PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('imagecreatefromjpeg',
|
|
L10n::t('GD graphics PHP module'),
|
|
L10n::t('Error: GD graphics PHP module with JPEG support required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('openssl_public_encrypt',
|
|
L10n::t('OpenSSL PHP module'),
|
|
L10n::t('Error: openssl PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('mb_strlen',
|
|
L10n::t('mb_string PHP module'),
|
|
L10n::t('Error: mb_string PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('iconv_strlen',
|
|
L10n::t('iconv PHP module'),
|
|
L10n::t('Error: iconv PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('posix_kill',
|
|
L10n::t('POSIX PHP module'),
|
|
L10n::t('Error: POSIX PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('json_encode',
|
|
L10n::t('JSON PHP module'),
|
|
L10n::t('Error: JSON PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
$status = $this->checkFunction('finfo_open',
|
|
L10n::t('File Information PHP module'),
|
|
L10n::t('Error: File Information PHP module required but not installed.'),
|
|
true
|
|
);
|
|
$returnVal = $returnVal ? $status : false;
|
|
|
|
return $returnVal;
|
|
}
|
|
|
|
/**
|
|
* "config/local.config.php" - Check
|
|
*
|
|
* Checks if it's possible to create the "config/local.config.php"
|
|
*
|
|
* @return bool false if something required failed
|
|
*/
|
|
public function checkLocalIni()
|
|
{
|
|
$status = true;
|
|
$help = "";
|
|
if ((file_exists('config/local.config.php') && !is_writable('config/local.config.php')) ||
|
|
(!file_exists('config/local.config.php') && !is_writable('.'))) {
|
|
|
|
$status = false;
|
|
$help = L10n::t('The web installer needs to be able to create a file called "local.config.php" in the "config" 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 local.config.php in your Friendica "config" 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;
|
|
}
|
|
|
|
$this->addCheck(L10n::t('config/local.config.php is writable'), $status, false, $help);
|
|
|
|
// Local INI File is not required
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Smarty3 Template Check
|
|
*
|
|
* Checks, if the directory of Smarty3 is writable
|
|
*
|
|
* @return bool false if something required failed
|
|
*/
|
|
public function checkSmarty3()
|
|
{
|
|
$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;
|
|
}
|
|
|
|
$this->addCheck(L10n::t('view/smarty3 is writable'), $status, true, $help);
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* ".htaccess" - Check
|
|
*
|
|
* Checks, if "url_rewrite" is enabled in the ".htaccess" file
|
|
*
|
|
* @param string $baseurl The baseurl of the app
|
|
* @return bool false if something required failed
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public function checkHtAccess($baseurl)
|
|
{
|
|
$status = true;
|
|
$help = "";
|
|
$error_msg = "";
|
|
if (function_exists('curl_init')) {
|
|
$fetchResult = Network::fetchUrlFull($baseurl . "/install/testrewrite");
|
|
|
|
$url = Strings::normaliseLink($baseurl . "/install/testrewrite");
|
|
if ($fetchResult->getReturnCode() != 204) {
|
|
$fetchResult = Network::fetchUrlFull($url);
|
|
}
|
|
|
|
if ($fetchResult->getReturnCode() != 204) {
|
|
$status = false;
|
|
$help = L10n::t('Url rewrite in .htaccess is not working. Make sure you copied .htaccess-dist to .htaccess.');
|
|
$error_msg = [];
|
|
$error_msg['head'] = L10n::t('Error message from Curl when fetching');
|
|
$error_msg['url'] = $fetchResult->getRedirectUrl();
|
|
$error_msg['msg'] = $fetchResult->getError();
|
|
}
|
|
|
|
$this->addCheck(L10n::t('Url rewrite is working'), $status, true, $help, $error_msg);
|
|
} else {
|
|
// cannot check modrewrite if libcurl is not installed
|
|
/// @TODO Maybe issue warning here?
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
/**
|
|
* Imagick Check
|
|
*
|
|
* Checks, if the imagick module is available
|
|
*
|
|
* @return bool false if something required failed
|
|
*/
|
|
public function checkImagick()
|
|
{
|
|
$imagick = false;
|
|
$gif = false;
|
|
|
|
if (class_exists('Imagick')) {
|
|
$imagick = true;
|
|
$supported = Images::supportedTypes();
|
|
if (array_key_exists('image/gif', $supported)) {
|
|
$gif = true;
|
|
}
|
|
}
|
|
if (!$imagick) {
|
|
$this->addCheck(L10n::t('ImageMagick PHP extension is not installed'), $imagick, false, "");
|
|
} else {
|
|
$this->addCheck(L10n::t('ImageMagick PHP extension is installed'), $imagick, false, "");
|
|
if ($imagick) {
|
|
$this->addCheck(L10n::t('ImageMagick supports GIF'), $gif, false, "");
|
|
}
|
|
}
|
|
|
|
// Imagick is not required
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Checking the Database connection and if it is available for the current installation
|
|
*
|
|
* @param Database $dba
|
|
*
|
|
* @return bool true if the check was successful, otherwise false
|
|
* @throws Exception
|
|
*/
|
|
public function checkDB(Database $dba)
|
|
{
|
|
$dba->reconnect();
|
|
|
|
if ($dba->isConnected()) {
|
|
if (DBStructure::existsTable('user')) {
|
|
$this->addCheck(L10n::t('Database already in use.'), false, true, '');
|
|
|
|
return false;
|
|
}
|
|
} else {
|
|
$this->addCheck(L10n::t('Could not connect to database.'), false, true, '');
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Setup the default cache for a new installation
|
|
*
|
|
* @param ConfigCache $configCache The configuration cache
|
|
* @param string $basePath The determined basepath
|
|
*
|
|
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
|
|
*/
|
|
public function setUpCache(ConfigCache $configCache, $basePath)
|
|
{
|
|
$configCache->set('config', 'php_path' , $this->getPHPPath());
|
|
$configCache->set('system', 'basepath' , $basePath);
|
|
}
|
|
}
|