Installer::__checkRequirements() - Code Metrics - Inspection of "WIP: Refactor Installation" - symphonycms/symphony-2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — integration (#2604)

by Brendan

created 2016-06-27 07:18 UTC

Installer::__checkRequirements() A

↳ Parent: Installer

Complexity

Conditions	3
Paths	2

Size

Total Lines	17
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	3
eloc	9
c	1
b	0
f	0
nc	2
nop	0
dl	0
loc	17
rs	9.4285

<?php

    /**
     * @package install
     */
    namespace SymphonyCms\Installer\Lib;

    use Administration;
    use DatabaseException;
    use DateTimeObj;
    use Exception;
    use General;
    use GenericErrorHandler;
    use GenericExceptionHandler;
    use Lang;
    use Profiler;
    use Symphony;
    use SymphonyCms\Installer\Steps;

    class Installer extends Administration
    {
        protected static $requirements;

        /**
         * Override the default Symphony constructor to initialise the Log, Config
         * and Database objects for installation/update. This allows us to use the
         * normal accessors.
         */
        protected function __construct()
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
        {
            self::$Profiler = Profiler::instance();
            self::$Profiler->sample('Engine Initialisation');

            if (get_magic_quotes_gpc()) {
                General::cleanArray($_SERVER);
                General::cleanArray($_COOKIE);
                General::cleanArray($_GET);
                General::cleanArray($_POST);
            }

            // Include the default Config for installation.
            static::initialiseConfiguration(require_once(INSTALL . '/includes/config_default.php'));

            // Initialize date/time
            define_safe('__SYM_DATE_FORMAT__', self::Configuration()->get('date_format', 'region'));
            define_safe('__SYM_TIME_FORMAT__', self::Configuration()->get('time_format', 'region'));
            define_safe('__SYM_DATETIME_FORMAT__',
                __SYM_DATE_FORMAT__ . self::Configuration()->get('datetime_separator', 'region') . __SYM_TIME_FORMAT__);
            DateTimeObj::setSettings(self::Configuration()->get('region'));

            // Initialize Language, Logs and Database
            static::initialiseLang();
            static::initialiseLog(INSTALL_LOGS . '/install');
            static::initialiseDatabase();

            // Initialize error handlers
            GenericExceptionHandler::initialise(Symphony::Log());
            GenericErrorHandler::initialise(Symphony::Log());

            self::$requirements = new Requirements();
        }

        /**
         * Initialises the language by looking at the `lang` key,
         * passed via GET or POST
         */
        public static function initialiseLang()
        {
            $lang = !empty($_REQUEST['lang']) ? preg_replace('/[^a-zA-Z\-]/', null, $_REQUEST['lang']) : 'en';
            Lang::initialize();
            Lang::set($lang, false);
        }

        /**
         * Overrides the default `initialiseLog()` method and writes
         * logs to manifest/logs/install
         *
         * @param null $filename
         * @return boolean|void
         * @throws Exception
         */
        public static function initialiseLog($filename = null)
        {
            if (is_dir(INSTALL_LOGS) || General::realiseDirectory(INSTALL_LOGS,
                self::Configuration()->get('write_mode', 'directory'))
            ) {
                return parent::initialiseLog($filename);
            }

            return;
        }

        /**
         * Overrides the default `initialiseDatabase()` method
         * This allows us to still use the normal accessor
         */
        public static function initialiseDatabase()
        {
            self::setDatabase();
        }

        /**
         * This function returns an instance of the Installer
         * class. It is the only way to create a new Installer, as
         * it implements the Singleton interface
         *
         * @return Installer
         */
        public static function instance()
        {
            if (!(self::$_instance instanceof Installer)) {
                self::$_instance = new Installer;
            }

            return self::$_instance;
        }

        public function run()
        {
            // Make sure a log file is available
            if (is_null(Symphony::Log())) {
                self::__render(new InstallerPage('missing-log'));
            }

            // Check essential server requirements
            $errors = self::__checkRequirements();
            if (!empty($errors)) {
                Symphony::Log()->error('Installer - Missing requirements.');

                foreach ($errors as $err) {
                    Symphony::Log()->error(
                        sprintf('Requirement - %s', $err['msg'])
                    );
                }

                self::__render(new InstallerPage('requirements', array(
                    'errors' => $errors
                )));
            }

            // If language is not set and there is language packs available, show language selection pages
            if (!isset($_POST['lang']) && count(Lang::getAvailableLanguages(false)) > 1) {
                self::__render(new InstallerPage('languages'));
            }

            // Check for configuration errors and, if there are no errors, install Symphony!
            if (isset($_POST['fields'])) {
                $fields = $_POST['fields'];
                $errors = self::checkConfiguration($fields);
                if (!empty($errors)) {
                    Symphony::Log()->error('Installer - Wrong configuration.');

                    foreach ($errors as $err) {
                        Symphony::Log()->error(sprintf('Configuration - %s', $err['msg']));
                    }
                } else {
                    $disabled_extensions = self::install($fields);

                    self::__render(new InstallerPage('success', array(
                        'disabled-extensions' => $disabled_extensions
                    )));
                }
            }

            // Display the Installation page
            self::__render(new InstallerPage('configuration', array(
                'errors' => $errors,
                'default-config' => Symphony::Configuration()->get()
            )));
        }

        /**
         * @param InstallerPage $page
         */
        protected static function __render(InstallerPage $page)
        {
            header('Content-Type: text/html; charset=utf-8');
            echo $page->generate();
            exit;

        }

        /**
         * This function checks the server can support a Symphony installation.
         * It checks that PHP is 5.2+, MySQL, Zlib, LibXML, XSLT modules are enabled
         * and a `install.sql` file exists.
         * If any of these requirements fail the installation will not proceed.
         *
         * @return array
         *  An associative array of errors, with `msg` and `details` keys
         */
        private static function __checkRequirements()
        {
            $errors = array();

            // Make sure the install.sql file exists
            if (!file_exists(INSTALL . '/includes/install.sql') || !is_readable(INSTALL . '/includes/install.sql')) {
                $errors[] = array(
                    'msg' => __('Missing install.sql file'),
                    'details' => __('It appears that %s is either missing or not readable. This is required to populate the database and must be uploaded before installation can commence. Ensure that PHP has read permissions.',
                        array('<code>install.sql</code>'))
                );
            }

            $errors = array_merge($errors, self::$requirements->check());

            return $errors;
        }

        /**
         * This function checks the current Configuration (which is the values entered
         * by the user on the installation form) to ensure that `/symphony` and `/workspace`
         * folders exist and are writable and that the Database credentials are correct.
         * Once those initial checks pass, the rest of the form values are validated.
         *
         * @param array $fields
         * @return array An associative array of errors if something went wrong, otherwise an empty array.
         */
        public static function checkConfiguration(array $fields)
        {
            $errors = array();

            // Testing the database connection
            try {
                Symphony::Database()->connect(
                    $fields['database']['host'],
                    $fields['database']['user'],
                    $fields['database']['password'],
                    $fields['database']['port'],
                    $fields['database']['db']
                );
            } catch (DatabaseException $e) {
                // Invalid credentials
                // @link http://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html
                if ($e->getDatabaseErrorCode() === 1044 || $e->getDatabaseErrorCode() === 1045) {
                    $errors['database-invalid-credentials'] = array(
                        'msg' => 'Database credentials were denied',
                        'details' => __('Symphony was unable to access the database with these credentials.')
                    );
                } // Connection related
                else {
                    $errors['no-database-connection'] = array(
                        'msg' => 'Could not establish database connection.',
                        'details' => __('Symphony was unable to establish a valid database connection. You may need to modify host or port settings.')
                    );
                }
            }

            try {
                // Check the database table prefix is legal. #1815
                if (!preg_match('/^[0-9a-zA-Z\$_]*$/', $fields['database']['tbl_prefix'])) {
                    $errors['database-table-prefix'] = array(
                        'msg' => 'Invalid database table prefix: ‘' . $fields['database']['tbl_prefix'] . '’',
                        'details' => __('The table prefix %s is invalid. The table prefix must only contain numbers, letters or underscore characters.',
                            array('<code>' . $fields['database']['tbl_prefix'] . '</code>'))
                    );
                } // Check the database credentials
                elseif (Symphony::Database()->isConnected()) {
                    // Incorrect MySQL version
                    $version = Symphony::Database()->fetchVar('version', 0, "SELECT VERSION() AS `version`;");
                    if (version_compare($version, '5.5', '<')) {
                        $errors['database-incorrect-version'] = array(
                            'msg' => 'MySQL Version is not correct. ' . $version . ' detected.',
                            'details' => __('Symphony requires %1$s or greater to work, however version %2$s was detected. This requirement must be met before installation can proceed.',
                                array('<code>MySQL 5.5</code>', '<code>' . $version . '</code>'))
                        );
                    } else {
                        // Existing table prefix
                        if (Symphony::Database()->tableExists($fields['database']['tbl_prefix'] . '%')) {
                            $errors['database-table-prefix'] = array(
                                'msg' => 'Database table prefix clash with ‘' . $fields['database']['db'] . '’',
                                'details' => __('The table prefix %s is already in use. Please choose a different prefix to use with Symphony.',
                                    array(

                                        '<code>' . $fields['database']['tbl_prefix'] . '</code>'
                                    ))
                            );
                        }
                    }
                }
            } catch (DatabaseException $e) {
                $errors['unknown-database'] = array(
                    'msg' => 'Database ‘' . $fields['database']['db'] . '’ not found.',
                    'details' => __('Symphony was unable to connect to the specified database.')
                );
            }

            // Website name not entered
            if (trim($fields['general']['sitename']) === '') {
                $errors['general-no-sitename'] = array(
                    'msg' => 'No sitename entered.',
                    'details' => __('You must enter a Site name. This will be shown at the top of your backend.')
                );
            }

            // Username Not Entered
            if (trim($fields['user']['username']) === '') {
                $errors['user-no-username'] = array(
                    'msg' => 'No username entered.',
                    'details' => __('You must enter a Username. This will be your Symphony login information.')
                );
            }

            // Password Not Entered
            if (trim($fields['user']['password']) === '') {
                $errors['user-no-password'] = array(
                    'msg' => 'No password entered.',
                    'details' => __('You must enter a Password. This will be your Symphony login information.')
                );
            } // Password mismatch
            elseif ($fields['user']['password'] !== $fields['user']['confirm-password']) {
                $errors['user-password-mismatch'] = array(
                    'msg' => 'Passwords did not match.',
                    'details' => __('The password and confirmation did not match. Please retype your password.')
                );
            }

            // No Name entered
            if (trim($fields['user']['firstname']) === '' || trim($fields['user']['lastname']) === '') {
                $errors['user-no-name'] = array(
                    'msg' => 'Did not enter First and Last names.',
                    'details' => __('You must enter your name.')
                );
            }

            // Invalid Email
            if (!preg_match('/^\w(?:\.?[\w%+-]+)*@\w(?:[\w-]*\.)+?[a-z]{2,}$/i', $fields['user']['email'])) {
                $errors['user-invalid-email'] = array(
                    'msg' => 'Invalid email address supplied.',
                    'details' => __('This is not a valid email address. You must provide an email address since you will need it if you forget your password.')
                );
            }

            // Admin path not entered
            if (trim($fields['symphony']['admin-path']) === '') {
                $errors['no-symphony-path'] = array(
                    'msg' => 'No Symphony path entered.',
                    'details' => __('You must enter a path for accessing Symphony, or leave the default. This will be used to access Symphony\'s backend.')
                );
            }

            return $errors;
        }

        /**
         * @param array $data
         * @return array
         */
        public static function install(array $data)
        {
            $start = microtime(true);
            Symphony::Log()->info('INSTALLATION PROCESS STARTED (' . DateTimeObj::get('c') . ')');

            // Configuration: Populating array
            $conf = Symphony::Configuration()->get();

            foreach ($conf as $group => $settings) {
                foreach ($settings as $key => $value) {
                    // This ensures on data the configuration cares about is populated,
                    // anything else will be ignored and accessible in `$data`.
                    if (isset($data[$group]) && isset($data[$group][$key])) {
                        $conf[$group][$key] = $data[$group][$key];
                    }
                }
            }

            Symphony::Configuration()->setArray($conf);

            $steps = [
                // Create database
                Steps\CreateDatabase::class,
                // Create manifest folder structure
                Steps\CreateManifest::class,
                // Write .htaccess
                Steps\CreateHtaccess::class,
                // Create or import the workspace
                Steps\Workspace::class,
                // Enable extensions
                Steps\EnableExtensions::class,
                // Enable language
                Steps\EnableLanguage::class
            ];

            try {
                foreach ($steps as $step) {
                    $installStep = new $step(Symphony::Log()->getLog());
                    $installStep->setOverride(false);

                    if (false === $installStep->handle(Symphony::Configuration(), $data)) {
                        throw new Exception(sprintf('Aborting installation, %s failed', $step));
                    }
                }
            } catch (Exception $ex) {
                self::__abort($ex->getMessage(), $start);
            }

            // Writing configuration file
            Symphony::Log()->info('WRITING: Configuration File');
            if (!Symphony::Configuration()->write(CONFIG, Symphony::Configuration()->get('write_mode', 'file'))) {
                self::__abort(
                    'Could not create config file ‘' . CONFIG . '’. Check permission on /manifest.',
                    $start
                );
            }

            // Installation completed. Woo-hoo!
            Symphony::Log()->info(sprintf('INSTALLATION COMPLETED: Execution Time - %d sec (%s)',
                max(1, time() - $start),
                date('d.m.y H:i:s')
            ));

            return [];
        }

        /**
         * If something went wrong, the `__abort` function will write an entry to the Log
         * file and display the failure page to the user.
         *
         * @todo: Resume installation after an error has been fixed.
         * @param string $message
         * @param integer $start
         */
        protected static function __abort($message, $start)
        {
            Symphony::Log()->error($message);
            Symphony::Log()->error(sprintf('INSTALLATION ABORTED: Execution Time - %f sec (%s)',
                microtime(true) - $start,
                date('d.m.y H:i:s')
            ));

            self::__render(new InstallerPage('failure'));
        }
    }


1		<?php
2
3		/**
4		* @package install
5		*/
6		namespace SymphonyCms\Installer\Lib;
7
8		use Administration;
9		use DatabaseException;
10		use DateTimeObj;
11		use Exception;
12		use General;
13		use GenericErrorHandler;
14		use GenericExceptionHandler;
15		use Lang;
16		use Profiler;
17		use Symphony;
18		use SymphonyCms\Installer\Steps;
19
20		class Installer extends Administration
21		{
22		protected static $requirements;
23
24		/**
25		* Override the default Symphony constructor to initialise the Log, Config
26		* and Database objects for installation/update. This allows us to use the
27		* normal accessors.
28		*/
29		protected function __construct()
		0 ignored issues – show Coding Style introduced 2015-11-22 04:43 UTC by Report Bug Copy Issue Report `__construct` uses the super-global variable `$_SERVER` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history... Coding Style introduced 2015-11-22 04:43 UTC by Report Bug Copy Issue Report `__construct` uses the super-global variable `$_COOKIE` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history... Coding Style introduced 2015-11-22 04:43 UTC by Report Bug Copy Issue Report `__construct` uses the super-global variable `$_POST` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
30		{
31		self::$Profiler = Profiler::instance();
32		self::$Profiler->sample('Engine Initialisation');
33
34		if (get_magic_quotes_gpc()) {
35		General::cleanArray($_SERVER);
36		General::cleanArray($_COOKIE);
37		General::cleanArray($_GET);
38		General::cleanArray($_POST);
39		}
40
41		// Include the default Config for installation.
42		static::initialiseConfiguration(require_once(INSTALL . '/includes/config_default.php'));
43
44		// Initialize date/time
45		define_safe('__SYM_DATE_FORMAT__', self::Configuration()->get('date_format', 'region'));
46		define_safe('__SYM_TIME_FORMAT__', self::Configuration()->get('time_format', 'region'));
47		define_safe('__SYM_DATETIME_FORMAT__',
48		__SYM_DATE_FORMAT__ . self::Configuration()->get('datetime_separator', 'region') . __SYM_TIME_FORMAT__);
49		DateTimeObj::setSettings(self::Configuration()->get('region'));
50
51		// Initialize Language, Logs and Database
52		static::initialiseLang();
53		static::initialiseLog(INSTALL_LOGS . '/install');
54		static::initialiseDatabase();
55
56		// Initialize error handlers
57		GenericExceptionHandler::initialise(Symphony::Log());
58		GenericErrorHandler::initialise(Symphony::Log());
59
60		self::$requirements = new Requirements();
61		}
62
63		/**
64		* Initialises the language by looking at the `lang` key,
65		* passed via GET or POST
66		*/
67		public static function initialiseLang()
68		{
69		$lang = !empty($_REQUEST['lang']) ? preg_replace('/[^a-zA-Z\-]/', null, $_REQUEST['lang']) : 'en';
70		Lang::initialize();
71		Lang::set($lang, false);
72		}
73
74		/**
75		* Overrides the default `initialiseLog()` method and writes
76		* logs to manifest/logs/install
77		*
78		* @param null $filename
79		* @return boolean\|void
80		* @throws Exception
81		*/
82	View Code Duplication	public static function initialiseLog($filename = null)
83		{
84		if (is_dir(INSTALL_LOGS) \|\| General::realiseDirectory(INSTALL_LOGS,
85		self::Configuration()->get('write_mode', 'directory'))
86		) {
87		return parent::initialiseLog($filename);
88		}
89
90		return;
91		}
92
93		/**
94		* Overrides the default `initialiseDatabase()` method
95		* This allows us to still use the normal accessor
96		*/
97		public static function initialiseDatabase()
98		{
99		self::setDatabase();
100		}
101
102		/**
103		* This function returns an instance of the Installer
104		* class. It is the only way to create a new Installer, as
105		* it implements the Singleton interface
106		*
107		* @return Installer
108		*/
109		public static function instance()
110		{
111		if (!(self::$_instance instanceof Installer)) {
112		self::$_instance = new Installer;
113		}
114
115		return self::$_instance;
116		}
117
118		public function run()
119		{
120		// Make sure a log file is available
121		if (is_null(Symphony::Log())) {
122		self::__render(new InstallerPage('missing-log'));
123		}
124
125		// Check essential server requirements
126		$errors = self::__checkRequirements();
127	View Code Duplication	if (!empty($errors)) {
128		Symphony::Log()->error('Installer - Missing requirements.');
129
130		foreach ($errors as $err) {
131		Symphony::Log()->error(
132		sprintf('Requirement - %s', $err['msg'])
133		);
134		}
135
136		self::__render(new InstallerPage('requirements', array(
137		'errors' => $errors
138		)));
139		}
140
141		// If language is not set and there is language packs available, show language selection pages
142		if (!isset($_POST['lang']) && count(Lang::getAvailableLanguages(false)) > 1) {
143		self::__render(new InstallerPage('languages'));
144		}
145
146		// Check for configuration errors and, if there are no errors, install Symphony!
147		if (isset($_POST['fields'])) {
148		$fields = $_POST['fields'];
149		$errors = self::checkConfiguration($fields);
150	View Code Duplication	if (!empty($errors)) {
151		Symphony::Log()->error('Installer - Wrong configuration.');
152
153		foreach ($errors as $err) {
154		Symphony::Log()->error(sprintf('Configuration - %s', $err['msg']));
155		}
156		} else {
157		$disabled_extensions = self::install($fields);
158
159		self::__render(new InstallerPage('success', array(
160		'disabled-extensions' => $disabled_extensions
161		)));
162		}
163		}
164
165		// Display the Installation page
166		self::__render(new InstallerPage('configuration', array(
167		'errors' => $errors,
168		'default-config' => Symphony::Configuration()->get()
169		)));
170		}
171
172		/**
173		* @param InstallerPage $page
174		*/
175		protected static function __render(InstallerPage $page)
176		{
177		header('Content-Type: text/html; charset=utf-8');
178		echo $page->generate();
179		exit;
		0 ignored issues – show Coding Style Compatibility introduced 2016-06-27 05:56 UTC by Report Bug Copy Issue Report The method `__render()` contains an exit expression. An exit expression should only be used in rare cases. For example, if you write a short command line script. In most cases however, using an `exit` expression makes the code untestable and often causes incompatibilities with other libraries. Thus, unless you are absolutely sure it is required here, we recommend to refactor your code to avoid its usage. Loading history...
180		}
181
182		/**
183		* This function checks the server can support a Symphony installation.
184		* It checks that PHP is 5.2+, MySQL, Zlib, LibXML, XSLT modules are enabled
185		* and a `install.sql` file exists.
186		* If any of these requirements fail the installation will not proceed.
187		*
188		* @return array
189		* An associative array of errors, with `msg` and `details` keys
190		*/
191		private static function __checkRequirements()
192		{
193		$errors = array();
194
195		// Make sure the install.sql file exists
196		if (!file_exists(INSTALL . '/includes/install.sql') \|\| !is_readable(INSTALL . '/includes/install.sql')) {
197		$errors[] = array(
198		'msg' => __('Missing install.sql file'),
199		'details' => __('It appears that %s is either missing or not readable. This is required to populate the database and must be uploaded before installation can commence. Ensure that PHP has read permissions.',
200		array('<code>install.sql</code>'))
201		);
202		}
203
204		$errors = array_merge($errors, self::$requirements->check());
205
206		return $errors;
207		}
208
209		/**
210		* This function checks the current Configuration (which is the values entered
211		* by the user on the installation form) to ensure that `/symphony` and `/workspace`
212		* folders exist and are writable and that the Database credentials are correct.
213		* Once those initial checks pass, the rest of the form values are validated.
214		*
215		* @param array $fields
216		* @return array An associative array of errors if something went wrong, otherwise an empty array.
217		*/
218		public static function checkConfiguration(array $fields)
219		{
220		$errors = array();
221
222		// Testing the database connection
223		try {
224		Symphony::Database()->connect(
225		$fields['database']['host'],
226		$fields['database']['user'],
227		$fields['database']['password'],
228		$fields['database']['port'],
229		$fields['database']['db']
230		);
231		} catch (DatabaseException $e) {
232		// Invalid credentials
233		// @link http://dev.mysql.com/doc/refman/5.5/en/error-messages-server.html
234		if ($e->getDatabaseErrorCode() === 1044 \|\| $e->getDatabaseErrorCode() === 1045) {
235		$errors['database-invalid-credentials'] = array(
236		'msg' => 'Database credentials were denied',
237		'details' => __('Symphony was unable to access the database with these credentials.')
238		);
239		} // Connection related
240		else {
241		$errors['no-database-connection'] = array(
242		'msg' => 'Could not establish database connection.',
243		'details' => __('Symphony was unable to establish a valid database connection. You may need to modify host or port settings.')
244		);
245		}
246		}
247
248		try {
249		// Check the database table prefix is legal. #1815
250		if (!preg_match('/^[0-9a-zA-Z\$_]*$/', $fields['database']['tbl_prefix'])) {
251		$errors['database-table-prefix'] = array(
252		'msg' => 'Invalid database table prefix: ‘' . $fields['database']['tbl_prefix'] . '’',
253		'details' => __('The table prefix %s is invalid. The table prefix must only contain numbers, letters or underscore characters.',
254		array('<code>' . $fields['database']['tbl_prefix'] . '</code>'))
255		);
256		} // Check the database credentials
257		elseif (Symphony::Database()->isConnected()) {
258		// Incorrect MySQL version
259		$version = Symphony::Database()->fetchVar('version', 0, "SELECT VERSION() AS `version`;");
260		if (version_compare($version, '5.5', '<')) {
261		$errors['database-incorrect-version'] = array(
262		'msg' => 'MySQL Version is not correct. ' . $version . ' detected.',
263		'details' => __('Symphony requires %1$s or greater to work, however version %2$s was detected. This requirement must be met before installation can proceed.',
264		array('<code>MySQL 5.5</code>', '<code>' . $version . '</code>'))
265		);
266		} else {
267		// Existing table prefix
268		if (Symphony::Database()->tableExists($fields['database']['tbl_prefix'] . '%')) {
269		$errors['database-table-prefix'] = array(
270		'msg' => 'Database table prefix clash with ‘' . $fields['database']['db'] . '’',
271		'details' => __('The table prefix %s is already in use. Please choose a different prefix to use with Symphony.',
272		array(
273
274		'<code>' . $fields['database']['tbl_prefix'] . '</code>'
275		))
276		);
277		}
278		}
279		}
280		} catch (DatabaseException $e) {
281		$errors['unknown-database'] = array(
282		'msg' => 'Database ‘' . $fields['database']['db'] . '’ not found.',
283		'details' => __('Symphony was unable to connect to the specified database.')
284		);
285		}
286
287		// Website name not entered
288		if (trim($fields['general']['sitename']) === '') {
289		$errors['general-no-sitename'] = array(
290		'msg' => 'No sitename entered.',
291		'details' => __('You must enter a Site name. This will be shown at the top of your backend.')
292		);
293		}
294
295		// Username Not Entered
296		if (trim($fields['user']['username']) === '') {
297		$errors['user-no-username'] = array(
298		'msg' => 'No username entered.',
299		'details' => __('You must enter a Username. This will be your Symphony login information.')
300		);
301		}
302
303		// Password Not Entered
304		if (trim($fields['user']['password']) === '') {
305		$errors['user-no-password'] = array(
306		'msg' => 'No password entered.',
307		'details' => __('You must enter a Password. This will be your Symphony login information.')
308		);
309		} // Password mismatch
310		elseif ($fields['user']['password'] !== $fields['user']['confirm-password']) {
311		$errors['user-password-mismatch'] = array(
312		'msg' => 'Passwords did not match.',
313		'details' => __('The password and confirmation did not match. Please retype your password.')
314		);
315		}
316
317		// No Name entered
318		if (trim($fields['user']['firstname']) === '' \|\| trim($fields['user']['lastname']) === '') {
319		$errors['user-no-name'] = array(
320		'msg' => 'Did not enter First and Last names.',
321		'details' => __('You must enter your name.')
322		);
323		}
324
325		// Invalid Email
326		if (!preg_match('/^\w(?:\.?[\w%+-]+)@\w(?:[\w-]\.)+?[a-z]{2,}$/i', $fields['user']['email'])) {
327		$errors['user-invalid-email'] = array(
328		'msg' => 'Invalid email address supplied.',
329		'details' => __('This is not a valid email address. You must provide an email address since you will need it if you forget your password.')
330		);
331		}
332
333		// Admin path not entered
334		if (trim($fields['symphony']['admin-path']) === '') {
335		$errors['no-symphony-path'] = array(
336		'msg' => 'No Symphony path entered.',
337		'details' => __('You must enter a path for accessing Symphony, or leave the default. This will be used to access Symphony\'s backend.')
338		);
339		}
340
341		return $errors;
342		}
343
344		/**
345		* @param array $data
346		* @return array
347		*/
348		public static function install(array $data)
349		{
350		$start = microtime(true);
351		Symphony::Log()->info('INSTALLATION PROCESS STARTED (' . DateTimeObj::get('c') . ')');
352
353		// Configuration: Populating array
354		$conf = Symphony::Configuration()->get();
355
356		foreach ($conf as $group => $settings) {
357		foreach ($settings as $key => $value) {
358		// This ensures on data the configuration cares about is populated,
359		// anything else will be ignored and accessible in `$data`.
360		if (isset($data[$group]) && isset($data[$group][$key])) {
361		$conf[$group][$key] = $data[$group][$key];
362		}
363		}
364		}
365
366		Symphony::Configuration()->setArray($conf);
367
368		$steps = [
369		// Create database
370		Steps\CreateDatabase::class,
371		// Create manifest folder structure
372		Steps\CreateManifest::class,
373		// Write .htaccess
374		Steps\CreateHtaccess::class,
375		// Create or import the workspace
376		Steps\Workspace::class,
377		// Enable extensions
378		Steps\EnableExtensions::class,
379		// Enable language
380		Steps\EnableLanguage::class
381		];
382
383		try {
384		foreach ($steps as $step) {
385		$installStep = new $step(Symphony::Log()->getLog());
386		$installStep->setOverride(false);
387
388	View Code Duplication	if (false === $installStep->handle(Symphony::Configuration(), $data)) {
389		throw new Exception(sprintf('Aborting installation, %s failed', $step));
390		}
391		}
392		} catch (Exception $ex) {
393		self::__abort($ex->getMessage(), $start);
394		}
395
396		// Writing configuration file
397		Symphony::Log()->info('WRITING: Configuration File');
398		if (!Symphony::Configuration()->write(CONFIG, Symphony::Configuration()->get('write_mode', 'file'))) {
399		self::__abort(
400		'Could not create config file ‘' . CONFIG . '’. Check permission on /manifest.',
401		$start
402		);
403		}
404
405		// Installation completed. Woo-hoo!
406		Symphony::Log()->info(sprintf('INSTALLATION COMPLETED: Execution Time - %d sec (%s)',
407		max(1, time() - $start),
408		date('d.m.y H:i:s')
409		));
410
411		return [];
412		}
413
414		/**
415		* If something went wrong, the `__abort` function will write an entry to the Log
416		* file and display the failure page to the user.
417		*
418		* @todo: Resume installation after an error has been fixed.
419		* @param string $message
420		* @param integer $start
421		*/
422		protected static function __abort($message, $start)
423		{
424		Symphony::Log()->error($message);
425		Symphony::Log()->error(sprintf('INSTALLATION ABORTED: Execution Time - %f sec (%s)',
426		microtime(true) - $start,
427		date('d.m.y H:i:s')
428		));
429
430		self::__render(new InstallerPage('failure'));
431		}
432		}
433

symphonycms / symphony-2

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Pull Request — integration (#2604)

Installer::__checkRequirements() A

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