/**
* The Drupal installation happens in a series of steps. We begin by verifying
* that the current environment meets our minimum requirements. We then go
* on to verify that settings.php is properly configured. From there we
* connect to the configured database and verify that it meets our minimum
* requirements. Finally we can allow the user to select an installation
* profile and complete the installation process.
*
* @param $phase
* The installation phase we should proceed to.
*/
function install_main()
{
require_once './includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
// The user agent header is used to pass a database prefix in the request when
// running tests. However, for security reasons, it is imperative that no
// installation be permitted using such a prefix.
if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], "simpletest") !== FALSE) {
header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
exit;
}
// This must go after drupal_bootstrap(), which unsets globals!
global $profile, $install_locale, $conf;
require_once './modules/system/system.install';
require_once './includes/file.inc';
// Ensure correct page headers are sent (e.g. caching)
drupal_page_header();
// Set up $language, so t() caller functions will still work.
drupal_init_language();
// Load module basics (needed for hook invokes).
include_once './includes/module.inc';
$module_list['system']['filename'] = 'modules/system/system.module';
$module_list['filter']['filename'] = 'modules/filter/filter.module';
module_list(TRUE, FALSE, FALSE, $module_list);
drupal_load('module', 'system');
drupal_load('module', 'filter');
// Install profile chosen, set the global immediately.
// This needs to be done before the theme cache gets
// initialized in drupal_maintenance_theme().
if (!empty($_GET['profile'])) {
$profile = preg_replace('/[^a-zA-Z_0-9]/', '', $_GET['profile']);
}
// Set up theme system for the maintenance page.
drupal_maintenance_theme();
// Check existing settings.php.
$verify = install_verify_settings();
if ($verify) {
// Since we have a database connection, we use the normal cache system.
// This is important, as the installer calls into the Drupal system for
// the clean URL checks, so we should maintain the cache properly.
require_once './includes/cache.inc';
$conf['cache_inc'] = './includes/cache.inc';
// Establish a connection to the database.
require_once './includes/database.inc';
db_set_active();
// Check if Drupal is installed.
$task = install_verify_drupal();
if ($task == 'done') {
install_already_done_error();
}
} else {
// Since no persistent storage is available yet, and functions that check
// for cached data will fail, we temporarily replace the normal cache
// system with a stubbed-out version that short-circuits the actual
// caching process and avoids any errors.
require_once './includes/cache-install.inc';
$conf['cache_inc'] = './includes/cache-install.inc';
$task = NULL;
}
// No profile was passed in GET, ask the user.
if (empty($_GET['profile'])) {
if ($profile = install_select_profile()) {
install_goto("install.php?profile={$profile}");
} else {
install_no_profile_error();
}
}
// Load the profile.
require_once "./profiles/{$profile}/{$profile}.profile";
// Locale selection
if (!empty($_GET['locale'])) {
$install_locale = preg_replace('/[^a-zA-Z_0-9\\-]/', '', $_GET['locale']);
} elseif (($install_locale = install_select_locale($profile)) !== FALSE) {
install_goto("install.php?profile={$profile}&locale={$install_locale}");
}
// Tasks come after the database is set up
if (!$task) {
global $db_url;
if (!$verify && !empty($db_url)) {
// Do not install over a configured settings.php.
install_already_done_error();
}
// Check the installation requirements for Drupal and this profile.
install_check_requirements($profile, $verify);
// Verify existence of all required modules.
$modules = drupal_verify_profile($profile, $install_locale);
// If any error messages are set now, it means a requirement problem.
$messages = drupal_set_message();
if (!empty($messages['error'])) {
install_task_list('requirements');
drupal_set_title(st('Requirements problem'));
print theme('install_page', '');
exit;
}
// Change the settings.php information if verification failed earlier.
// Note: will trigger a redirect if database credentials change.
if (!$verify) {
install_change_settings($profile, $install_locale);
}
// Install system.module.
drupal_install_system();
// Save the list of other modules to install for the 'profile-install'
// task. variable_set() can be used now that system.module is installed
// and drupal is bootstrapped.
variable_set('install_profile_modules', array_diff($modules, array('system')));
}
// The database is set up, turn to further tasks.
install_tasks($profile, $task);
}
/**
* The Drupal installation happens in a series of steps. We begin by verifying
* that the current environment meets our minimum requirements. We then go
* on to verify that settings.php is properly configured. From there we
* connect to the configured database and verify that it meets our minimum
* requirements. Finally we can allow the user to select an installation
* profile and complete the installation process.
*
* @param $phase
* The installation phase we should proceed to.
*/
function install_main()
{
require_once './includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
// This must go after drupal_bootstrap(), which unsets globals!
global $profile, $install_locale;
require_once './modules/system/system.install';
require_once './includes/file.inc';
// Ensure correct page headers are sent (e.g. caching)
drupal_page_header();
// Check existing settings.php.
$verify = install_verify_settings();
// Drupal may already be installed.
if ($verify) {
// Establish a connection to the database.
require_once './includes/database.inc';
db_set_active();
// Check if Drupal is installed.
if (install_verify_drupal()) {
install_already_done_error();
}
}
// Load module basics (needed for hook invokes).
include_once './includes/module.inc';
$module_list['system']['filename'] = 'modules/system/system.module';
$module_list['filter']['filename'] = 'modules/filter/filter.module';
module_list(TRUE, FALSE, FALSE, $module_list);
drupal_load('module', 'system');
drupal_load('module', 'filter');
// Decide which profile to use.
if (!empty($_GET['profile'])) {
$profile = preg_replace('/[^a-zA-Z_0-9]/', '', $_GET['profile']);
} elseif ($profile = install_select_profile()) {
install_goto("install.php?profile={$profile}");
} else {
install_no_profile_error();
}
// Locale selection
if (!empty($_GET['locale'])) {
$install_locale = preg_replace('/[^a-zA-Z_0-9]/', '', $_GET['locale']);
} elseif (($install_locale = install_select_locale($profile)) !== FALSE) {
install_goto("install.php?profile={$profile}&locale={$install_locale}");
}
// Load the profile.
require_once "./profiles/{$profile}/{$profile}.profile";
// Check the installation requirements for Drupal and this profile.
install_check_requirements($profile);
// Change the settings.php information if verification failed earlier.
// Note: will trigger a redirect if database credentials change.
if (!$verify) {
install_change_settings($profile, $install_locale);
}
// Verify existence of all required modules.
$modules = drupal_verify_profile($profile, $install_locale);
if (!$modules) {
install_missing_modules_error($profile);
}
// Perform actual installation defined in the profile.
drupal_install_profile($profile, $modules);
// Warn about settings.php permissions risk
$settings_file = './' . conf_path() . '/settings.php';
if (!drupal_verify_install_file($settings_file, FILE_EXIST | FILE_READABLE | FILE_NOT_WRITABLE)) {
drupal_set_message(st('All necessary changes to %file have been made, so you should now remove write permissions to this file. Failure to remove write permissions to this file is a security risk.', array('%file' => $settings_file)), 'error');
} else {
drupal_set_message(st('All necessary changes to %file have been made. It has been set to read-only for security.', array('%file' => $settings_file)));
}
// Show end page.
install_complete($profile);
}
/**
* Check update requirements and report any errors.
*/
function update_check_requirements()
{
global $db_url, $databases;
$requirements = array();
// If we will rewrite the settings.php then we need to make sure it is
// writeable.
if (empty($databases) && !empty($db_url) && is_string($db_url)) {
$requirements = install_check_requirements('', FALSE);
}
$warnings = FALSE;
// Check the system module requirements only.
$requirements += module_invoke('system', 'requirements', 'update');
$severity = drupal_requirements_severity($requirements);
// If there are issues, report them.
if ($severity != REQUIREMENT_OK) {
foreach ($requirements as $requirement) {
if (isset($requirement['severity']) && $requirement['severity'] != REQUIREMENT_OK) {
$message = isset($requirement['description']) ? $requirement['description'] : '';
if (isset($requirement['value']) && $requirement['value']) {
$message .= ' (Currently using ' . $requirement['title'] . ' ' . $requirement['value'] . ')';
}
$warnings = TRUE;
drupal_set_message($message, 'warning');
}
}
}
return $warnings;
}
/**
* Installation task; verify the requirements for installing Drupal.
*
* @param $install_state
* An array of information about the current installation state.
* @return
* A themed status report, or an exception if there are requirement errors.
* Otherwise, no output is returned, so that the next task can be run
* in the same page request.
*/
function install_verify_requirements(&$install_state)
{
// Check the installation requirements for Drupal and this profile.
$requirements = install_check_requirements($install_state);
// Verify existence of all required modules.
$requirements += drupal_verify_profile($install_state);
// Check the severity of the requirements reported.
$severity = drupal_requirements_severity($requirements);
if ($severity == REQUIREMENT_ERROR) {
if ($install_state['interactive']) {
drupal_set_title(st('Requirements problem'));
$status_report = theme('status_report', array('requirements' => $requirements));
$status_report .= st('Check the error messages and <a href="!url">proceed with the installation</a>.', array('!url' => request_uri()));
return $status_report;
} else {
// Throw an exception showing all unmet requirements.
$failures = array();
foreach ($requirements as $requirement) {
if (isset($requirement['severity']) && $requirement['severity'] == REQUIREMENT_ERROR) {
$failures[] = $requirement['title'] . ': ' . $requirement['value'] . "\n\n" . $requirement['description'];
}
}
throw new Exception(implode("\n\n", $failures));
}
}
}
/**
* The Drupal installation happens in a series of steps. We begin by verifying
* that the current environment meets our minimum requirements. We then go
* on to verify that settings.php is properly configured. From there we
* connect to the configured database and verify that it meets our minimum
* requirements. Finally we can allow the user to select an installation
* profile and complete the installation process.
*
* @param $phase
* The installation phase we should proceed to.
*/
function install_main()
{
require_once DRUPAL_ROOT . '/includes/bootstrap.inc';
drupal_bootstrap(DRUPAL_BOOTSTRAP_CONFIGURATION);
// The user agent header is used to pass a database prefix in the request when
// running tests. However, for security reasons, it is imperative that no
// installation be permitted using such a prefix.
if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], "simpletest") !== FALSE) {
header($_SERVER['SERVER_PROTOCOL'] . ' 403 Forbidden');
exit;
}
// This must go after drupal_bootstrap(), which unsets globals!
global $profile, $install_locale, $conf;
require_once DRUPAL_ROOT . '/modules/system/system.install';
require_once DRUPAL_ROOT . '/includes/file.inc';
// Ensure correct page headers are sent (e.g. caching)
drupal_page_header();
// Set up $language, so t() caller functions will still work.
drupal_init_language();
// Load module basics (needed for hook invokes).
include_once DRUPAL_ROOT . '/includes/module.inc';
$module_list['system']['filename'] = 'modules/system/system.module';
$module_list['filter']['filename'] = 'modules/filter/filter.module';
module_list(TRUE, FALSE, FALSE, $module_list);
drupal_load('module', 'system');
drupal_load('module', 'filter');
// Load the cache infrastructure using a "fake" cache implementation that
// does not attempt to write to the database. We need this during the initial
// part of the installer because the database is not available yet. We
// continue to use it even when the database does become available, in order
// to preserve consistency between interactive and command-line installations
// (the latter complete in one page request and therefore are forced to
// continue using the cache implementation they started with) and also
// because any data put in the cache during the installer is inherently
// suspect, due to the fact that Drupal is not fully set up yet.
require_once DRUPAL_ROOT . '/includes/cache-install.inc';
$conf['cache_inc'] = './includes/cache-install.inc';
// Install profile chosen, set the global immediately.
// This needs to be done before the theme cache gets
// initialized in drupal_maintenance_theme().
if (!empty($_GET['profile'])) {
$profile = preg_replace('/[^a-zA-Z_0-9]/', '', $_GET['profile']);
}
// Set up theme system for the maintenance page.
drupal_maintenance_theme();
// Check existing settings.php.
$verify = install_verify_settings();
if ($verify) {
// Establish a connection to the database.
require_once DRUPAL_ROOT . '/includes/database.inc';
db_set_active();
// Check if Drupal is installed.
$task = install_verify_drupal();
if ($task == 'done') {
install_already_done_error();
}
} else {
$task = NULL;
}
// No profile was passed in GET, ask the user.
if (empty($_GET['profile'])) {
if ($profile = install_select_profile()) {
install_goto("install.php?profile={$profile}");
} else {
install_no_profile_error();
}
}
// Load the profile.
require_once DRUPAL_ROOT . "/profiles/{$profile}/{$profile}.profile";
// Locale selection
if (!empty($_GET['locale'])) {
$install_locale = preg_replace('/[^a-zA-Z_0-9\\-]/', '', $_GET['locale']);
} elseif (($install_locale = install_select_locale($profile)) !== FALSE) {
install_goto("install.php?profile={$profile}&locale={$install_locale}");
}
// Tasks come after the database is set up
if (!$task) {
global $db_url;
if (!$verify && !empty($db_url)) {
// Do not install over a configured settings.php.
install_already_done_error();
}
// Check the installation requirements for Drupal and this profile.
install_check_requirements($profile, $verify);
// Verify existence of all required modules.
$modules = drupal_verify_profile($profile, $install_locale);
// If any error messages are set now, it means a requirement problem.
$messages = drupal_set_message();
if (!empty($messages['error'])) {
install_task_list('requirements');
drupal_set_title(st('Requirements problem'));
print theme('install_page', '');
exit;
}
// Change the settings.php information if verification failed earlier.
// Note: will trigger a redirect if database credentials change.
if (!$verify) {
install_change_settings($profile, $install_locale);
}
// The default lock implementation uses a database table,
// so we cannot use it for install, but we still need
// the API functions available.
require_once './includes/lock-install.inc';
$conf['lock_inc'] = './includes/lock-install.inc';
lock_init();
// Install system.module.
drupal_install_system();
// Ensure that all of Drupal's standard directories have appropriate
// .htaccess files. These directories will have already been created by
// this point in the installer, since Drupal creates them during the
// install_check_requirements() task. Note that we cannot create them any
// earlier than this, since the code below relies on system.module in order
// to work.
file_create_htaccess(file_directory_path());
file_create_htaccess(file_directory_temp());
// Save the list of other modules to install for the 'profile-install'
// task. variable_set() can be used now that system.module is installed
// and drupal is bootstrapped.
variable_set('install_profile_modules', array_diff($modules, array('system')));
}
// The database is set up, turn to further tasks.
install_tasks($profile, $task);
}