1341 líneas
43 KiB
PHP
1341 líneas
43 KiB
PHP
<?php
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/**
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* @file
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* API functions for installing modules and themes.
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*/
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/**
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* Indicates that a module has not been installed yet.
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*/
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define('SCHEMA_UNINSTALLED', -1);
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/**
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* Indicates that a module has been installed.
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*/
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define('SCHEMA_INSTALLED', 0);
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/**
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* Requirement severity -- Informational message only.
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*/
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define('REQUIREMENT_INFO', -1);
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/**
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* Requirement severity -- Requirement successfully met.
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*/
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define('REQUIREMENT_OK', 0);
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/**
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* Requirement severity -- Warning condition; proceed but flag warning.
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*/
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define('REQUIREMENT_WARNING', 1);
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/**
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* Requirement severity -- Error condition; abort installation.
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*/
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define('REQUIREMENT_ERROR', 2);
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/**
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* File permission check -- File exists.
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*/
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define('FILE_EXIST', 1);
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/**
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* File permission check -- File is readable.
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*/
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define('FILE_READABLE', 2);
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/**
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* File permission check -- File is writable.
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*/
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define('FILE_WRITABLE', 4);
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/**
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* File permission check -- File is executable.
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*/
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define('FILE_EXECUTABLE', 8);
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/**
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* File permission check -- File does not exist.
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*/
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define('FILE_NOT_EXIST', 16);
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/**
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* File permission check -- File is not readable.
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*/
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define('FILE_NOT_READABLE', 32);
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/**
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* File permission check -- File is not writable.
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*/
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define('FILE_NOT_WRITABLE', 64);
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/**
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* File permission check -- File is not executable.
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*/
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define('FILE_NOT_EXECUTABLE', 128);
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/**
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* Loads .install files for installed modules to initialize the update system.
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*/
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function drupal_load_updates() {
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foreach (drupal_get_installed_schema_version(NULL, FALSE, TRUE) as $module => $schema_version) {
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if ($schema_version > -1) {
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module_load_install($module);
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}
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}
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}
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/**
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* Returns an array of available schema versions for a module.
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*
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* @param $module
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* A module name.
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* @return
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* If the module has updates, an array of available updates sorted by version.
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* Otherwise, FALSE.
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*/
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function drupal_get_schema_versions($module) {
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$updates = &drupal_static(__FUNCTION__, NULL);
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if (!isset($updates[$module])) {
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$updates = array();
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foreach (module_list() as $loaded_module) {
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$updates[$loaded_module] = array();
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}
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// Prepare regular expression to match all possible defined hook_update_N().
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$regexp = '/^(?P<module>.+)_update_(?P<version>\d+)$/';
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$functions = get_defined_functions();
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// Narrow this down to functions ending with an integer, since all
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// hook_update_N() functions end this way, and there are other
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// possible functions which match '_update_'. We use preg_grep() here
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// instead of foreaching through all defined functions, since the loop
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// through all PHP functions can take significant page execution time
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// and this function is called on every administrative page via
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// system_requirements().
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foreach (preg_grep('/_\d+$/', $functions['user']) as $function) {
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// If this function is a module update function, add it to the list of
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// module updates.
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if (preg_match($regexp, $function, $matches)) {
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$updates[$matches['module']][] = $matches['version'];
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}
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}
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// Ensure that updates are applied in numerical order.
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foreach ($updates as &$module_updates) {
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sort($module_updates, SORT_NUMERIC);
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}
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}
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return empty($updates[$module]) ? FALSE : $updates[$module];
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}
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/**
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* Returns the currently installed schema version for a module.
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*
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* @param $module
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* A module name.
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* @param $reset
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* Set to TRUE after modifying the system table.
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* @param $array
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* Set to TRUE if you want to get information about all modules in the
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* system.
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* @return
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* The currently installed schema version, or SCHEMA_UNINSTALLED if the
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* module is not installed.
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*/
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function drupal_get_installed_schema_version($module, $reset = FALSE, $array = FALSE) {
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static $versions = array();
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if ($reset) {
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$versions = array();
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}
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if (!$versions) {
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$versions = array();
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$result = db_query("SELECT name, schema_version FROM {system} WHERE type = :type", array(':type' => 'module'));
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foreach ($result as $row) {
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$versions[$row->name] = $row->schema_version;
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}
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}
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if ($array) {
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return $versions;
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}
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else {
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return isset($versions[$module]) ? $versions[$module] : SCHEMA_UNINSTALLED;
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}
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}
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/**
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* Update the installed version information for a module.
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*
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* @param $module
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* A module name.
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* @param $version
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* The new schema version.
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*/
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function drupal_set_installed_schema_version($module, $version) {
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db_update('system')
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->fields(array('schema_version' => $version))
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->condition('name', $module)
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->execute();
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// Reset the static cache of module schema versions.
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drupal_get_installed_schema_version(NULL, TRUE);
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}
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/**
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* Loads the installation profile, extracting its defined distribution name.
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*
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* @return
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* The distribution name defined in the profile's .info file. Defaults to
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* "Drupal" if none is explicitly provided by the installation profile.
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*
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* @see install_profile_info()
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*/
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function drupal_install_profile_distribution_name() {
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// During installation, the profile information is stored in the global
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// installation state (it might not be saved anywhere yet).
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if (drupal_installation_attempted()) {
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global $install_state;
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return $install_state['profile_info']['distribution_name'];
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}
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// At all other times, we load the profile via standard methods.
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else {
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$profile = drupal_get_profile();
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$info = system_get_info('module', $profile);
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return $info['distribution_name'];
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}
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}
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/**
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* Detects the base URL using the PHP $_SERVER variables.
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*
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* @param $file
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* The name of the file calling this function so we can strip it out of
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* the URI when generating the base_url.
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*
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* @return
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* The auto-detected $base_url that should be configured in settings.php
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*/
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function drupal_detect_baseurl($file = 'install.php') {
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$proto = $_SERVER['HTTPS'] ? 'https://' : 'http://';
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$host = $_SERVER['SERVER_NAME'];
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$port = ($_SERVER['SERVER_PORT'] == 80 ? '' : ':' . $_SERVER['SERVER_PORT']);
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$uri = preg_replace("/\?.*/", '', $_SERVER['REQUEST_URI']);
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$dir = str_replace("/$file", '', $uri);
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return "$proto$host$port$dir";
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}
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/**
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* Detects all supported databases that are compiled into PHP.
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*
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* @return
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* An array of database types compiled into PHP.
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*/
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function drupal_detect_database_types() {
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$databases = drupal_get_database_types();
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foreach ($databases as $driver => $installer) {
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$databases[$driver] = $installer->name();
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}
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return $databases;
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}
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/**
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* Returns all supported database installer objects that are compiled into PHP.
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*
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* @return
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* An array of database installer objects compiled into PHP.
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*/
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function drupal_get_database_types() {
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$databases = array();
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// We define a driver as a directory in /includes/database that in turn
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// contains a database.inc file. That allows us to drop in additional drivers
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// without modifying the installer.
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// Because we have no registry yet, we need to also include the install.inc
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// file for the driver explicitly.
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require_once DRUPAL_ROOT . '/includes/database/database.inc';
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foreach (file_scan_directory(DRUPAL_ROOT . '/includes/database', '/^[a-z]*$/i', array('recurse' => FALSE)) as $file) {
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if (file_exists($file->uri . '/database.inc') && file_exists($file->uri . '/install.inc')) {
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$drivers[$file->filename] = $file->uri;
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}
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}
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foreach ($drivers as $driver => $file) {
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$installer = db_installer_object($driver);
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if ($installer->installable()) {
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$databases[$driver] = $installer;
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}
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}
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// Usability: unconditionally put the MySQL driver on top.
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if (isset($databases['mysql'])) {
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$mysql_database = $databases['mysql'];
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unset($databases['mysql']);
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$databases = array('mysql' => $mysql_database) + $databases;
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}
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return $databases;
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}
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/**
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* Database installer structure.
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*
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* Defines basic Drupal requirements for databases.
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*/
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abstract class DatabaseTasks {
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/**
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* Structure that describes each task to run.
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*
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* @var array
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*
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* Each value of the tasks array is an associative array defining the function
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* to call (optional) and any arguments to be passed to the function.
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*/
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protected $tasks = array(
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array(
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'function' => 'checkEngineVersion',
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'arguments' => array(),
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),
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array(
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'arguments' => array(
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'CREATE TABLE {drupal_install_test} (id int NULL)',
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'Drupal can use CREATE TABLE database commands.',
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'Failed to <strong>CREATE</strong> a test table on your database server with the command %query. The server reports the following message: %error.<p>Are you sure the configured username has the necessary permissions to create tables in the database?</p>',
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TRUE,
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),
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),
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array(
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'arguments' => array(
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'INSERT INTO {drupal_install_test} (id) VALUES (1)',
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'Drupal can use INSERT database commands.',
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'Failed to <strong>INSERT</strong> a value into a test table on your database server. We tried inserting a value with the command %query and the server reported the following error: %error.',
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),
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),
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array(
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'arguments' => array(
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'UPDATE {drupal_install_test} SET id = 2',
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'Drupal can use UPDATE database commands.',
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'Failed to <strong>UPDATE</strong> a value in a test table on your database server. We tried updating a value with the command %query and the server reported the following error: %error.',
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),
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),
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array(
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'arguments' => array(
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'DELETE FROM {drupal_install_test}',
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'Drupal can use DELETE database commands.',
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'Failed to <strong>DELETE</strong> a value from a test table on your database server. We tried deleting a value with the command %query and the server reported the following error: %error.',
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),
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),
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array(
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'arguments' => array(
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'DROP TABLE {drupal_install_test}',
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'Drupal can use DROP TABLE database commands.',
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'Failed to <strong>DROP</strong> a test table from your database server. We tried dropping a table with the command %query and the server reported the following error %error.',
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),
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),
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);
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/**
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* Results from tasks.
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*
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* @var array
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*/
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protected $results = array();
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/**
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* Ensure the PDO driver is supported by the version of PHP in use.
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*/
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protected function hasPdoDriver() {
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return in_array($this->pdoDriver, PDO::getAvailableDrivers());
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}
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/**
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* Assert test as failed.
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*/
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protected function fail($message) {
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$this->results[$message] = FALSE;
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}
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/**
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* Assert test as a pass.
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*/
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protected function pass($message) {
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$this->results[$message] = TRUE;
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}
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/**
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* Check whether Drupal is installable on the database.
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*/
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public function installable() {
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return $this->hasPdoDriver() && empty($this->error);
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}
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/**
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* Return the human-readable name of the driver.
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*/
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abstract public function name();
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/**
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* Return the minimum required version of the engine.
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*
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* @return
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* A version string. If not NULL, it will be checked against the version
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* reported by the Database engine using version_compare().
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*/
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public function minimumVersion() {
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return NULL;
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}
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/**
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* Run database tasks and tests to see if Drupal can run on the database.
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*/
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public function runTasks() {
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// We need to establish a connection before we can run tests.
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if ($this->connect()) {
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foreach ($this->tasks as $task) {
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if (!isset($task['function'])) {
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$task['function'] = 'runTestQuery';
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}
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if (method_exists($this, $task['function'])) {
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// Returning false is fatal. No other tasks can run.
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if (FALSE === call_user_func_array(array($this, $task['function']), $task['arguments'])) {
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break;
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}
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}
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else {
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throw new DatabaseTaskException(st("Failed to run all tasks against the database server. The task %task wasn't found.", array('%task' => $task['function'])));
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}
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}
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}
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// Check for failed results and compile message
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$message = '';
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foreach ($this->results as $result => $success) {
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if (!$success) {
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$message .= '<p class="error">' . $result . '</p>';
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}
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}
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if (!empty($message)) {
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$message = 'Resolve all issues below to continue the installation. For help configuring your database server, see the <a href="http://drupal.org/getting-started/install">installation handbook</a>, or contact your hosting provider.' . $message;
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throw new DatabaseTaskException($message);
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}
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}
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/**
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* Check if we can connect to the database.
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*/
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protected function connect() {
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try {
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// This doesn't actually test the connection.
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db_set_active();
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// Now actually do a check.
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Database::getConnection();
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$this->pass('Drupal can CONNECT to the database ok.');
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}
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catch (Exception $e) {
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$this->fail(st('Failed to connect to your database server. The server reports the following message: %error.<ul><li>Is the database server running?</li><li>Does the database exist, and have you entered the correct database name?</li><li>Have you entered the correct username and password?</li><li>Have you entered the correct database hostname?</li></ul>', array('%error' => $e->getMessage())));
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return FALSE;
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}
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return TRUE;
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}
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/**
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* Run SQL tests to ensure the database can execute commands with the current user.
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*/
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protected function runTestQuery($query, $pass, $fail, $fatal = FALSE) {
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try {
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db_query($query);
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$this->pass(st($pass));
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}
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catch (Exception $e) {
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$this->fail(st($fail, array('%query' => $query, '%error' => $e->getMessage(), '%name' => $this->name())));
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return !$fatal;
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}
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}
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/**
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* Check the engine version.
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*/
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protected function checkEngineVersion() {
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if ($this->minimumVersion() && version_compare(Database::getConnection()->version(), $this->minimumVersion(), '<')) {
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$this->fail(st("The database version %version is less than the minimum required version %minimum_version.", array('%version' => Database::getConnection()->version(), '%minimum_version' => $this->minimumVersion())));
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}
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}
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/**
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* Return driver specific configuration options.
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*
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* @param $database
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* An array of driver specific configuration options.
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*
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* @return
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* The options form array.
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*/
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public function getFormOptions($database) {
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$form['database'] = array(
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'#type' => 'textfield',
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'#title' => st('Database name'),
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'#default_value' => empty($database['database']) ? '' : $database['database'],
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'#size' => 45,
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'#required' => TRUE,
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'#description' => st('The name of the database your @drupal data will be stored in. It must exist on your server before @drupal can be installed.', array('@drupal' => drupal_install_profile_distribution_name())),
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);
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$form['username'] = array(
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'#type' => 'textfield',
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'#title' => st('Database username'),
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'#default_value' => empty($database['username']) ? '' : $database['username'],
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'#required' => TRUE,
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'#size' => 45,
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);
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$form['password'] = array(
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'#type' => 'password',
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'#title' => st('Database password'),
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'#default_value' => empty($database['password']) ? '' : $database['password'],
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'#required' => FALSE,
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'#size' => 45,
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);
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$form['advanced_options'] = array(
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'#type' => 'fieldset',
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'#title' => st('Advanced options'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#description' => st("These options are only necessary for some sites. If you're not sure what you should enter here, leave the default settings or check with your hosting provider."),
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'#weight' => 10,
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);
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$profile = drupal_get_profile();
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$db_prefix = ($profile == 'standard') ? 'drupal_' : $profile . '_';
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$form['advanced_options']['db_prefix'] = array(
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'#type' => 'textfield',
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'#title' => st('Table prefix'),
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'#default_value' => '',
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'#size' => 45,
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'#description' => st('If more than one application will be sharing this database, enter a table prefix such as %prefix for your @drupal site here.', array('@drupal' => drupal_install_profile_distribution_name(), '%prefix' => $db_prefix)),
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'#weight' => 10,
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);
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$form['advanced_options']['host'] = array(
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'#type' => 'textfield',
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'#title' => st('Database host'),
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'#default_value' => empty($database['host']) ? 'localhost' : $database['host'],
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'#size' => 45,
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// Hostnames can be 255 characters long.
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'#maxlength' => 255,
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'#required' => TRUE,
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'#description' => st('If your database is located on a different server, change this.'),
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);
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$form['advanced_options']['port'] = array(
|
|
'#type' => 'textfield',
|
|
'#title' => st('Database port'),
|
|
'#default_value' => empty($database['port']) ? '' : $database['port'],
|
|
'#size' => 45,
|
|
// The maximum port number is 65536, 5 digits.
|
|
'#maxlength' => 5,
|
|
'#description' => st('If your database server is listening to a non-standard port, enter its number.'),
|
|
);
|
|
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Validates driver specific configuration settings.
|
|
*
|
|
* Checks to ensure correct basic database settings and that a proper
|
|
* connection to the database can be established.
|
|
*
|
|
* @param $database
|
|
* An array of driver specific configuration options.
|
|
*
|
|
* @return
|
|
* An array of driver configuration errors, keyed by form element name.
|
|
*/
|
|
public function validateDatabaseSettings($database) {
|
|
$errors = array();
|
|
|
|
// Verify the table prefix.
|
|
if (!empty($database['prefix']) && is_string($database['prefix']) && !preg_match('/^[A-Za-z0-9_.]+$/', $database['prefix'])) {
|
|
$errors[$database['driver'] . '][advanced_options][db_prefix'] = st('The database table prefix you have entered, %prefix, is invalid. The table prefix can only contain alphanumeric characters, periods, or underscores.', array('%prefix' => $database['prefix']));
|
|
}
|
|
|
|
// Verify the database port.
|
|
if (!empty($database['port']) && !is_numeric($database['port'])) {
|
|
$errors[$database['driver'] . '][advanced_options][port'] = st('Database port must be a number.');
|
|
}
|
|
|
|
return $errors;
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Exception thrown if the database installer fails.
|
|
*/
|
|
class DatabaseTaskException extends Exception {
|
|
}
|
|
|
|
/**
|
|
* Replaces values in settings.php with values in the submitted array.
|
|
*
|
|
* @param $settings
|
|
* An array of settings that need to be updated.
|
|
*/
|
|
function drupal_rewrite_settings($settings = array(), $prefix = '') {
|
|
$default_settings = 'sites/default/default.settings.php';
|
|
drupal_static_reset('conf_path');
|
|
$settings_file = conf_path(FALSE) . '/' . $prefix . 'settings.php';
|
|
|
|
// Build list of setting names and insert the values into the global namespace.
|
|
$keys = array();
|
|
foreach ($settings as $setting => $data) {
|
|
$GLOBALS[$setting] = $data['value'];
|
|
$keys[] = $setting;
|
|
}
|
|
|
|
$buffer = NULL;
|
|
$first = TRUE;
|
|
if ($fp = fopen(DRUPAL_ROOT . '/' . $default_settings, 'r')) {
|
|
// Step line by line through settings.php.
|
|
while (!feof($fp)) {
|
|
$line = fgets($fp);
|
|
if ($first && substr($line, 0, 5) != '<?php') {
|
|
$buffer = "<?php\n\n";
|
|
}
|
|
$first = FALSE;
|
|
// Check for constants.
|
|
if (substr($line, 0, 7) == 'define(') {
|
|
preg_match('/define\(\s*[\'"]([A-Z_-]+)[\'"]\s*,(.*?)\);/', $line, $variable);
|
|
if (in_array($variable[1], $keys)) {
|
|
$setting = $settings[$variable[1]];
|
|
$buffer .= str_replace($variable[2], " '" . $setting['value'] . "'", $line);
|
|
unset($settings[$variable[1]]);
|
|
unset($settings[$variable[2]]);
|
|
}
|
|
else {
|
|
$buffer .= $line;
|
|
}
|
|
}
|
|
// Check for variables.
|
|
elseif (substr($line, 0, 1) == '$') {
|
|
preg_match('/\$([^ ]*) /', $line, $variable);
|
|
if (in_array($variable[1], $keys)) {
|
|
// Write new value to settings.php in the following format:
|
|
// $'setting' = 'value'; // 'comment'
|
|
$setting = $settings[$variable[1]];
|
|
$buffer .= '$' . $variable[1] . " = " . var_export($setting['value'], TRUE) . ";" . (!empty($setting['comment']) ? ' // ' . $setting['comment'] . "\n" : "\n");
|
|
unset($settings[$variable[1]]);
|
|
}
|
|
else {
|
|
$buffer .= $line;
|
|
}
|
|
}
|
|
else {
|
|
$buffer .= $line;
|
|
}
|
|
}
|
|
fclose($fp);
|
|
|
|
// Add required settings that were missing from settings.php.
|
|
foreach ($settings as $setting => $data) {
|
|
if ($data['required']) {
|
|
$buffer .= "\$$setting = " . var_export($data['value'], TRUE) . ";\n";
|
|
}
|
|
}
|
|
|
|
$fp = fopen(DRUPAL_ROOT . '/' . $settings_file, 'w');
|
|
if ($fp && fwrite($fp, $buffer) === FALSE) {
|
|
throw new Exception(st('Failed to modify %settings. Verify the file permissions.', array('%settings' => $settings_file)));
|
|
}
|
|
else {
|
|
// The existing settings.php file might have been included already. In
|
|
// case an opcode cache is enabled, the rewritten contents of the file
|
|
// will not be reflected in this process. Ensure to invalidate the file
|
|
// in case an opcode cache is enabled.
|
|
drupal_clear_opcode_cache(DRUPAL_ROOT . '/' . $settings_file);
|
|
}
|
|
}
|
|
else {
|
|
throw new Exception(st('Failed to open %settings. Verify the file permissions.', array('%settings' => $default_settings)));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Verifies an installation profile for installation.
|
|
*
|
|
* @param $install_state
|
|
* An array of information about the current installation state.
|
|
*
|
|
* @return
|
|
* The list of modules to install.
|
|
*/
|
|
function drupal_verify_profile($install_state) {
|
|
$profile = $install_state['parameters']['profile'];
|
|
$locale = $install_state['parameters']['locale'];
|
|
|
|
include_once DRUPAL_ROOT . '/includes/file.inc';
|
|
include_once DRUPAL_ROOT . '/includes/common.inc';
|
|
|
|
$profile_file = DRUPAL_ROOT . "/profiles/$profile/$profile.profile";
|
|
|
|
if (!isset($profile) || !file_exists($profile_file)) {
|
|
throw new Exception(install_no_profile_error());
|
|
}
|
|
$info = $install_state['profile_info'];
|
|
|
|
// Get a list of modules that exist in Drupal's assorted subdirectories.
|
|
$present_modules = array();
|
|
foreach (drupal_system_listing('/^' . DRUPAL_PHP_FUNCTION_PATTERN . '\.module$/', 'modules', 'name', 0) as $present_module) {
|
|
$present_modules[] = $present_module->name;
|
|
}
|
|
|
|
// The installation profile is also a module, which needs to be installed
|
|
// after all the other dependencies have been installed.
|
|
$present_modules[] = drupal_get_profile();
|
|
|
|
// Verify that all of the profile's required modules are present.
|
|
$missing_modules = array_diff($info['dependencies'], $present_modules);
|
|
|
|
$requirements = array();
|
|
|
|
if (count($missing_modules)) {
|
|
$modules = array();
|
|
foreach ($missing_modules as $module) {
|
|
$modules[] = '<span class="admin-missing">' . drupal_ucfirst($module) . '</span>';
|
|
}
|
|
$requirements['required_modules'] = array(
|
|
'title' => st('Required modules'),
|
|
'value' => st('Required modules not found.'),
|
|
'severity' => REQUIREMENT_ERROR,
|
|
'description' => st('The following modules are required but were not found. Move them into the appropriate modules subdirectory, such as <em>sites/all/modules</em>. Missing modules: !modules', array('!modules' => implode(', ', $modules))),
|
|
);
|
|
}
|
|
return $requirements;
|
|
}
|
|
|
|
/**
|
|
* Installs the system module.
|
|
*
|
|
* Separated from the installation of other modules so core system
|
|
* functions can be made available while other modules are installed.
|
|
*/
|
|
function drupal_install_system() {
|
|
$system_path = drupal_get_path('module', 'system');
|
|
require_once DRUPAL_ROOT . '/' . $system_path . '/system.install';
|
|
module_invoke('system', 'install');
|
|
|
|
$system_versions = drupal_get_schema_versions('system');
|
|
$system_version = $system_versions ? max($system_versions) : SCHEMA_INSTALLED;
|
|
db_insert('system')
|
|
->fields(array('filename', 'name', 'type', 'owner', 'status', 'schema_version', 'bootstrap'))
|
|
->values(array(
|
|
'filename' => $system_path . '/system.module',
|
|
'name' => 'system',
|
|
'type' => 'module',
|
|
'owner' => '',
|
|
'status' => 1,
|
|
'schema_version' => $system_version,
|
|
'bootstrap' => 0,
|
|
))
|
|
->execute();
|
|
system_rebuild_module_data();
|
|
}
|
|
|
|
/**
|
|
* Uninstalls a given list of disabled modules.
|
|
*
|
|
* @param string[] $module_list
|
|
* The modules to uninstall. It is the caller's responsibility to ensure that
|
|
* all modules in this list have already been disabled before this function
|
|
* is called.
|
|
* @param bool $uninstall_dependents
|
|
* (optional) If TRUE, the function will check that all modules which depend
|
|
* on the passed-in module list either are already uninstalled or contained in
|
|
* the list, and it will ensure that the modules are uninstalled in the
|
|
* correct order. This incurs a significant performance cost, so use FALSE if
|
|
* you know $module_list is already complete and in the correct order.
|
|
* Defaults to TRUE.
|
|
*
|
|
* @return bool
|
|
* Returns TRUE if the operation succeeds or FALSE if it aborts due to an
|
|
* unsafe condition, namely, $uninstall_dependents is TRUE and a module in
|
|
* $module_list has dependents which are not already uninstalled and not also
|
|
* included in $module_list).
|
|
*
|
|
* @see module_disable()
|
|
* @see module_enable()
|
|
*/
|
|
function drupal_uninstall_modules($module_list = array(), $uninstall_dependents = TRUE) {
|
|
if ($uninstall_dependents) {
|
|
// Get all module data so we can find dependents and sort.
|
|
$module_data = system_rebuild_module_data();
|
|
// Create an associative array with weights as values.
|
|
$module_list = array_flip(array_values($module_list));
|
|
|
|
$profile = drupal_get_profile();
|
|
while (list($module) = each($module_list)) {
|
|
if (!isset($module_data[$module]) || drupal_get_installed_schema_version($module) == SCHEMA_UNINSTALLED) {
|
|
// This module doesn't exist or is already uninstalled. Skip it.
|
|
unset($module_list[$module]);
|
|
continue;
|
|
}
|
|
$module_list[$module] = $module_data[$module]->sort;
|
|
|
|
// If the module has any dependents which are not already uninstalled and
|
|
// not included in the passed-in list, abort. It is not safe to uninstall
|
|
// them automatically because uninstalling a module is a destructive
|
|
// operation.
|
|
foreach (array_keys($module_data[$module]->required_by) as $dependent) {
|
|
if (!isset($module_list[$dependent]) && drupal_get_installed_schema_version($dependent) != SCHEMA_UNINSTALLED && $dependent != $profile) {
|
|
return FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Sort the module list by pre-calculated weights.
|
|
asort($module_list);
|
|
$module_list = array_keys($module_list);
|
|
}
|
|
|
|
foreach ($module_list as $module) {
|
|
// Uninstall the module.
|
|
module_load_install($module);
|
|
module_invoke($module, 'uninstall');
|
|
drupal_uninstall_schema($module);
|
|
|
|
watchdog('system', '%module module uninstalled.', array('%module' => $module), WATCHDOG_INFO);
|
|
drupal_set_installed_schema_version($module, SCHEMA_UNINSTALLED);
|
|
}
|
|
|
|
if (!empty($module_list)) {
|
|
// Let other modules react.
|
|
module_invoke_all('modules_uninstalled', $module_list);
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Verifies the state of the specified file.
|
|
*
|
|
* @param $file
|
|
* The file to check for.
|
|
* @param $mask
|
|
* An optional bitmask created from various FILE_* constants.
|
|
* @param $type
|
|
* The type of file. Can be file (default), dir, or link.
|
|
*
|
|
* @return
|
|
* TRUE on success or FALSE on failure. A message is set for the latter.
|
|
*/
|
|
function drupal_verify_install_file($file, $mask = NULL, $type = 'file') {
|
|
$return = TRUE;
|
|
// Check for files that shouldn't be there.
|
|
if (isset($mask) && ($mask & FILE_NOT_EXIST) && file_exists($file)) {
|
|
return FALSE;
|
|
}
|
|
// Verify that the file is the type of file it is supposed to be.
|
|
if (isset($type) && file_exists($file)) {
|
|
$check = 'is_' . $type;
|
|
if (!function_exists($check) || !$check($file)) {
|
|
$return = FALSE;
|
|
}
|
|
}
|
|
|
|
// Verify file permissions.
|
|
if (isset($mask)) {
|
|
$masks = array(FILE_EXIST, FILE_READABLE, FILE_WRITABLE, FILE_EXECUTABLE, FILE_NOT_READABLE, FILE_NOT_WRITABLE, FILE_NOT_EXECUTABLE);
|
|
foreach ($masks as $current_mask) {
|
|
if ($mask & $current_mask) {
|
|
switch ($current_mask) {
|
|
case FILE_EXIST:
|
|
if (!file_exists($file)) {
|
|
if ($type == 'dir') {
|
|
drupal_install_mkdir($file, $mask);
|
|
}
|
|
if (!file_exists($file)) {
|
|
$return = FALSE;
|
|
}
|
|
}
|
|
break;
|
|
case FILE_READABLE:
|
|
if (!is_readable($file) && !drupal_install_fix_file($file, $mask)) {
|
|
$return = FALSE;
|
|
}
|
|
break;
|
|
case FILE_WRITABLE:
|
|
if (!is_writable($file) && !drupal_install_fix_file($file, $mask)) {
|
|
$return = FALSE;
|
|
}
|
|
break;
|
|
case FILE_EXECUTABLE:
|
|
if (!is_executable($file) && !drupal_install_fix_file($file, $mask)) {
|
|
$return = FALSE;
|
|
}
|
|
break;
|
|
case FILE_NOT_READABLE:
|
|
if (is_readable($file) && !drupal_install_fix_file($file, $mask)) {
|
|
$return = FALSE;
|
|
}
|
|
break;
|
|
case FILE_NOT_WRITABLE:
|
|
if (is_writable($file) && !drupal_install_fix_file($file, $mask)) {
|
|
$return = FALSE;
|
|
}
|
|
break;
|
|
case FILE_NOT_EXECUTABLE:
|
|
if (is_executable($file) && !drupal_install_fix_file($file, $mask)) {
|
|
$return = FALSE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Creates a directory with the specified permissions.
|
|
*
|
|
* @param $file
|
|
* The name of the directory to create;
|
|
* @param $mask
|
|
* The permissions of the directory to create.
|
|
* @param $message
|
|
* (optional) Whether to output messages. Defaults to TRUE.
|
|
*
|
|
* @return
|
|
* TRUE/FALSE whether or not the directory was successfully created.
|
|
*/
|
|
function drupal_install_mkdir($file, $mask, $message = TRUE) {
|
|
$mod = 0;
|
|
$masks = array(FILE_READABLE, FILE_WRITABLE, FILE_EXECUTABLE, FILE_NOT_READABLE, FILE_NOT_WRITABLE, FILE_NOT_EXECUTABLE);
|
|
foreach ($masks as $m) {
|
|
if ($mask & $m) {
|
|
switch ($m) {
|
|
case FILE_READABLE:
|
|
$mod |= 0444;
|
|
break;
|
|
case FILE_WRITABLE:
|
|
$mod |= 0222;
|
|
break;
|
|
case FILE_EXECUTABLE:
|
|
$mod |= 0111;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (@drupal_mkdir($file, $mod)) {
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempts to fix file permissions.
|
|
*
|
|
* The general approach here is that, because we do not know the security
|
|
* setup of the webserver, we apply our permission changes to all three
|
|
* digits of the file permission (i.e. user, group and all).
|
|
*
|
|
* To ensure that the values behave as expected (and numbers don't carry
|
|
* from one digit to the next) we do the calculation on the octal value
|
|
* using bitwise operations. This lets us remove, for example, 0222 from
|
|
* 0700 and get the correct value of 0500.
|
|
*
|
|
* @param $file
|
|
* The name of the file with permissions to fix.
|
|
* @param $mask
|
|
* The desired permissions for the file.
|
|
* @param $message
|
|
* (optional) Whether to output messages. Defaults to TRUE.
|
|
*
|
|
* @return
|
|
* TRUE/FALSE whether or not we were able to fix the file's permissions.
|
|
*/
|
|
function drupal_install_fix_file($file, $mask, $message = TRUE) {
|
|
// If $file does not exist, fileperms() issues a PHP warning.
|
|
if (!file_exists($file)) {
|
|
return FALSE;
|
|
}
|
|
|
|
$mod = fileperms($file) & 0777;
|
|
$masks = array(FILE_READABLE, FILE_WRITABLE, FILE_EXECUTABLE, FILE_NOT_READABLE, FILE_NOT_WRITABLE, FILE_NOT_EXECUTABLE);
|
|
|
|
// FILE_READABLE, FILE_WRITABLE, and FILE_EXECUTABLE permission strings
|
|
// can theoretically be 0400, 0200, and 0100 respectively, but to be safe
|
|
// we set all three access types in case the administrator intends to
|
|
// change the owner of settings.php after installation.
|
|
foreach ($masks as $m) {
|
|
if ($mask & $m) {
|
|
switch ($m) {
|
|
case FILE_READABLE:
|
|
if (!is_readable($file)) {
|
|
$mod |= 0444;
|
|
}
|
|
break;
|
|
case FILE_WRITABLE:
|
|
if (!is_writable($file)) {
|
|
$mod |= 0222;
|
|
}
|
|
break;
|
|
case FILE_EXECUTABLE:
|
|
if (!is_executable($file)) {
|
|
$mod |= 0111;
|
|
}
|
|
break;
|
|
case FILE_NOT_READABLE:
|
|
if (is_readable($file)) {
|
|
$mod &= ~0444;
|
|
}
|
|
break;
|
|
case FILE_NOT_WRITABLE:
|
|
if (is_writable($file)) {
|
|
$mod &= ~0222;
|
|
}
|
|
break;
|
|
case FILE_NOT_EXECUTABLE:
|
|
if (is_executable($file)) {
|
|
$mod &= ~0111;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// chmod() will work if the web server is running as owner of the file.
|
|
// If PHP safe_mode is enabled the currently executing script must also
|
|
// have the same owner.
|
|
if (@chmod($file, $mod)) {
|
|
return TRUE;
|
|
}
|
|
else {
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Sends the user to a different installer page.
|
|
*
|
|
* This issues an on-site HTTP redirect. Messages (and errors) are erased.
|
|
*
|
|
* @param $path
|
|
* An installer path.
|
|
*/
|
|
function install_goto($path) {
|
|
global $base_url;
|
|
include_once DRUPAL_ROOT . '/includes/common.inc';
|
|
header('Location: ' . $base_url . '/' . $path);
|
|
header('Cache-Control: no-cache'); // Not a permanent redirect.
|
|
drupal_exit();
|
|
}
|
|
|
|
/**
|
|
* Returns the URL of the current script, with modified query parameters.
|
|
*
|
|
* This function can be called by low-level scripts (such as install.php and
|
|
* update.php) and returns the URL of the current script. Existing query
|
|
* parameters are preserved by default, but new ones can optionally be merged
|
|
* in.
|
|
*
|
|
* This function is used when the script must maintain certain query parameters
|
|
* over multiple page requests in order to work correctly. In such cases (for
|
|
* example, update.php, which requires the 'continue=1' parameter to remain in
|
|
* the URL throughout the update process if there are any requirement warnings
|
|
* that need to be bypassed), using this function to generate the URL for links
|
|
* to the next steps of the script ensures that the links will work correctly.
|
|
*
|
|
* @param $query
|
|
* (optional) An array of query parameters to merge in to the existing ones.
|
|
*
|
|
* @return
|
|
* The URL of the current script, with query parameters modified by the
|
|
* passed-in $query. The URL is not sanitized, so it still needs to be run
|
|
* through check_url() if it will be used as an HTML attribute value.
|
|
*
|
|
* @see drupal_requirements_url()
|
|
*/
|
|
function drupal_current_script_url($query = array()) {
|
|
$uri = $_SERVER['SCRIPT_NAME'];
|
|
$query = array_merge(drupal_get_query_parameters(), $query);
|
|
if (!empty($query)) {
|
|
$uri .= '?' . drupal_http_build_query($query);
|
|
}
|
|
return $uri;
|
|
}
|
|
|
|
/**
|
|
* Returns a URL for proceeding to the next page after a requirements problem.
|
|
*
|
|
* This function can be called by low-level scripts (such as install.php and
|
|
* update.php) and returns a URL that can be used to attempt to proceed to the
|
|
* next step of the script.
|
|
*
|
|
* @param $severity
|
|
* The severity of the requirements problem, as returned by
|
|
* drupal_requirements_severity().
|
|
*
|
|
* @return
|
|
* A URL for attempting to proceed to the next step of the script. The URL is
|
|
* not sanitized, so it still needs to be run through check_url() if it will
|
|
* be used as an HTML attribute value.
|
|
*
|
|
* @see drupal_current_script_url()
|
|
*/
|
|
function drupal_requirements_url($severity) {
|
|
$query = array();
|
|
// If there are no errors, only warnings, append 'continue=1' to the URL so
|
|
// the user can bypass this screen on the next page load.
|
|
if ($severity == REQUIREMENT_WARNING) {
|
|
$query['continue'] = 1;
|
|
}
|
|
return drupal_current_script_url($query);
|
|
}
|
|
|
|
/**
|
|
* Translates a string when some systems are not available.
|
|
*
|
|
* Used during the install process, when database, theme, and localization
|
|
* system is possibly not yet available.
|
|
*
|
|
* Use t() if your code will never run during the Drupal installation phase.
|
|
* Use st() if your code will only run during installation and never any other
|
|
* time. Use get_t() if your code could run in either circumstance.
|
|
*
|
|
* @see t()
|
|
* @see get_t()
|
|
* @ingroup sanitization
|
|
*/
|
|
function st($string, array $args = array(), array $options = array()) {
|
|
static $locale_strings = NULL;
|
|
global $install_state;
|
|
|
|
if (empty($options['context'])) {
|
|
$options['context'] = '';
|
|
}
|
|
|
|
if (!isset($locale_strings)) {
|
|
$locale_strings = array();
|
|
if (isset($install_state['parameters']['profile']) && isset($install_state['parameters']['locale'])) {
|
|
// If the given locale was selected, there should be at least one .po file
|
|
// with its name ending in {$install_state['parameters']['locale']}.po
|
|
// This might or might not be the entire filename. It is also possible
|
|
// that multiple files end with the same extension, even if unlikely.
|
|
$po_files = file_scan_directory('./profiles/' . $install_state['parameters']['profile'] . '/translations', '/'. $install_state['parameters']['locale'] .'\.po$/', array('recurse' => FALSE));
|
|
if (count($po_files)) {
|
|
require_once DRUPAL_ROOT . '/includes/locale.inc';
|
|
foreach ($po_files as $po_file) {
|
|
_locale_import_read_po('mem-store', $po_file);
|
|
}
|
|
$locale_strings = _locale_import_one_string('mem-report');
|
|
}
|
|
}
|
|
}
|
|
|
|
// Transform arguments before inserting them
|
|
foreach ($args as $key => $value) {
|
|
switch ($key[0]) {
|
|
// Escaped only
|
|
case '@':
|
|
$args[$key] = check_plain($value);
|
|
break;
|
|
// Escaped and placeholder
|
|
case '%':
|
|
default:
|
|
$args[$key] = '<em>' . check_plain($value) . '</em>';
|
|
break;
|
|
// Pass-through
|
|
case '!':
|
|
}
|
|
}
|
|
return strtr((!empty($locale_strings[$options['context']][$string]) ? $locale_strings[$options['context']][$string] : $string), $args);
|
|
}
|
|
|
|
/**
|
|
* Checks an installation profile's requirements.
|
|
*
|
|
* @param $profile
|
|
* Name of installation profile to check.
|
|
* @return
|
|
* Array of the installation profile's requirements.
|
|
*/
|
|
function drupal_check_profile($profile) {
|
|
include_once DRUPAL_ROOT . '/includes/file.inc';
|
|
|
|
$profile_file = DRUPAL_ROOT . "/profiles/$profile/$profile.profile";
|
|
|
|
if (!isset($profile) || !file_exists($profile_file)) {
|
|
throw new Exception(install_no_profile_error());
|
|
}
|
|
|
|
$info = install_profile_info($profile);
|
|
|
|
// Collect requirement testing results.
|
|
$requirements = array();
|
|
foreach ($info['dependencies'] as $module) {
|
|
module_load_install($module);
|
|
$function = $module . '_requirements';
|
|
if (function_exists($function)) {
|
|
$requirements = array_merge($requirements, $function('install'));
|
|
}
|
|
}
|
|
return $requirements;
|
|
}
|
|
|
|
/**
|
|
* Extracts the highest severity from the requirements array.
|
|
*
|
|
* @param $requirements
|
|
* An array of requirements, in the same format as is returned by
|
|
* hook_requirements().
|
|
*
|
|
* @return
|
|
* The highest severity in the array.
|
|
*/
|
|
function drupal_requirements_severity(&$requirements) {
|
|
$severity = REQUIREMENT_OK;
|
|
foreach ($requirements as $requirement) {
|
|
if (isset($requirement['severity'])) {
|
|
$severity = max($severity, $requirement['severity']);
|
|
}
|
|
}
|
|
return $severity;
|
|
}
|
|
|
|
/**
|
|
* Checks a module's requirements.
|
|
*
|
|
* @param $module
|
|
* Machine name of module to check.
|
|
*
|
|
* @return
|
|
* TRUE or FALSE, depending on whether the requirements are met.
|
|
*/
|
|
function drupal_check_module($module) {
|
|
module_load_install($module);
|
|
if (module_hook($module, 'requirements')) {
|
|
// Check requirements
|
|
$requirements = module_invoke($module, 'requirements', 'install');
|
|
if (is_array($requirements) && drupal_requirements_severity($requirements) == REQUIREMENT_ERROR) {
|
|
// Print any error messages
|
|
foreach ($requirements as $requirement) {
|
|
if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
|
|
$message = $requirement['description'];
|
|
if (isset($requirement['value']) && $requirement['value']) {
|
|
$message .= ' (' . t('Currently using !item !version', array('!item' => $requirement['title'], '!version' => $requirement['value'])) . ')';
|
|
}
|
|
drupal_set_message($message, 'error');
|
|
}
|
|
}
|
|
return FALSE;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Retrieves information about an installation profile from its .info file.
|
|
*
|
|
* The information stored in a profile .info file is similar to that stored in
|
|
* a normal Drupal module .info file. For example:
|
|
* - name: The real name of the installation profile for display purposes.
|
|
* - description: A brief description of the profile.
|
|
* - dependencies: An array of shortnames of other modules that this install
|
|
* profile requires.
|
|
*
|
|
* Additional, less commonly-used information that can appear in a profile.info
|
|
* file but not in a normal Drupal module .info file includes:
|
|
* - distribution_name: The name of the Drupal distribution that is being
|
|
* installed, to be shown throughout the installation process. Defaults to
|
|
* 'Drupal'.
|
|
* - exclusive: If the install profile is intended to be the only eligible
|
|
* choice in a distribution, setting exclusive = TRUE will auto-select it
|
|
* during installation, and the install profile selection screen will be
|
|
* skipped. If more than one profile is found where exclusive = TRUE then
|
|
* this property will have no effect and the profile selection screen will
|
|
* be shown as normal with all available profiles shown.
|
|
*
|
|
* Note that this function does an expensive file system scan to get info file
|
|
* information for dependencies. If you only need information from the info
|
|
* file itself, use system_get_info().
|
|
*
|
|
* Example of .info file:
|
|
* @code
|
|
* name = Minimal
|
|
* description = Start fresh, with only a few modules enabled.
|
|
* dependencies[] = block
|
|
* dependencies[] = dblog
|
|
* @endcode
|
|
*
|
|
* @param $profile
|
|
* Name of profile.
|
|
* @param $locale
|
|
* Name of locale used (if any).
|
|
*
|
|
* @return
|
|
* The info array.
|
|
*/
|
|
function install_profile_info($profile, $locale = 'en') {
|
|
$cache = &drupal_static(__FUNCTION__, array());
|
|
|
|
if (!isset($cache[$profile])) {
|
|
// Set defaults for module info.
|
|
$defaults = array(
|
|
'dependencies' => array(),
|
|
'description' => '',
|
|
'distribution_name' => 'Drupal',
|
|
'version' => NULL,
|
|
'hidden' => FALSE,
|
|
'php' => DRUPAL_MINIMUM_PHP,
|
|
);
|
|
$info = drupal_parse_info_file("profiles/$profile/$profile.info") + $defaults;
|
|
$info['dependencies'] = array_unique(array_merge(
|
|
drupal_required_modules(),
|
|
$info['dependencies'],
|
|
($locale != 'en' && !empty($locale) ? array('locale') : array()))
|
|
);
|
|
|
|
// drupal_required_modules() includes the current profile as a dependency.
|
|
// Since a module can't depend on itself we remove that element of the array.
|
|
array_shift($info['dependencies']);
|
|
|
|
$cache[$profile] = $info;
|
|
}
|
|
return $cache[$profile];
|
|
}
|
|
|
|
/**
|
|
* Ensures the environment for a Drupal database on a predefined connection.
|
|
*
|
|
* This will run tasks that check that Drupal can perform all of the functions
|
|
* on a database, that Drupal needs. Tasks include simple checks like CREATE
|
|
* TABLE to database specific functions like stored procedures and client
|
|
* encoding.
|
|
*/
|
|
function db_run_tasks($driver) {
|
|
db_installer_object($driver)->runTasks();
|
|
return TRUE;
|
|
}
|
|
|
|
/**
|
|
* Returns a database installer object.
|
|
*
|
|
* @param $driver
|
|
* The name of the driver.
|
|
*/
|
|
function db_installer_object($driver) {
|
|
Database::loadDriverFile($driver, array('install.inc'));
|
|
$task_class = 'DatabaseTasks_' . $driver;
|
|
return new $task_class();
|
|
}
|