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<?php
declare(strict_types=1);
use Module\Support\Webapps;
use Module\Support\Webapps\Traits\PublicRelocatable;
class Ghost_Module extends Webapps
{
use PublicRelocatable {
getAppRoot as getAppRootReal;
}
const APP_NAME = 'Ghost';
const GHOST_CLI = 'ghost';
const DEFAULT_VERSION_LOCK = 'major';
public function plugin_status(string $hostname, string $path = '', string $plugin = null)
{
return error('not supported');
}
public function uninstall_plugin(string $hostname, string $path = '', string $plugin, bool $force = false): bool
{
return error('not supported');
}
public function disable_all_plugins(string $hostname, string $path = ''): bool
{
return error('not supported');
}
public function next_version(string $version, string $maximalbranch = '99999999.99999999.99999999'): ?string
{
return parent::next_version($version, $maximalbranch);
}
public function reconfigure(string $field, string $attribute, array $new, array $old = null)
{
}
public function restart(string $hostname, string $path): bool
{
if (!$approot = $this->getAppRoot($hostname, $path)) {
return false;
}
return \Module\Support\Webapps\Passenger::instantiateContexted($this->getAuthContext(),
[$approot, 'nodejs'])->restart();
}
protected function getAppRoot(string $hostname, string $path = ''): ?string
{
return $this->getAppRootReal($hostname, $path);
}
public function get_configuration($field)
{
}
public function install(string $hostname, string $path = '', array $opts = array()): bool
{
if (!$this->mysql_enabled()) {
return error("MySQL must be enabled to install %s", ucwords($this->getInternalName()));
}
$available = null;
if (!$this->hasMemoryAllowance(1024, $available)) {
return error("Ghost requires at least 1024 MB memory, `%s' MB provided for account", $available);
}
if (!$this->hasStorageAllowance(500, $available)) {
return error("Ghost requires ~500 MB free. Only %.2f MB free.", $available);
}
if (!$this->ssh_enabled()) {
return error('Ghost requires ssh service to be enabled');
}
if ($path) {
return error('Ghost may only be installed directly on a subdomain or domain without a child path, e.g. https://domain.com but not https://domain.com/ghost');
}
if (!($docroot = $this->getDocumentRoot($hostname, $path))) {
return error("failed to normalize path for `%s'", $hostname);
}
if (!$this->parseInstallOptions($opts, $hostname, $path)) {
return false;
}
$this->validateNode('lts', $opts['user'] ?? null);
$args['version'] = $opts['version'];
$db = $this->_suggestDB($hostname);
if (!$db) {
return false;
}
$dbuser = $this->_suggestUser($db, '127.0.0.1');
if (!$dbuser) {
return false;
}
$dbpass = $this->suggestPassword();
$args['dbname'] = $db;
$args['dbuser'] = $dbuser;
$args['dbpassword'] = $dbpass;
if (!$this->sql_create_mysql_database($db)) {
return error("failed to create suggested db `%s'", $db);
}
if (!$this->sql_add_mysql_user($dbuser, '127.0.0.1', $dbpass, 15)) {
$this->sql_delete_mysql_database($db);
return error("failed to create suggested user `%s'", $dbuser);
}
if (!$this->sql_set_mysql_privileges($dbuser, '127.0.0.1', $db,
array('read' => true, 'write' => true))) {
$this->sql_delete_mysql_user($dbuser, '127.0.0.1');
$this->sql_delete_mysql_database($db);
return error("failed to set privileges on db `%s' for user `%s'", $db, $dbuser);
}
if ($this->sql_add_mysql_backup($db, 'zip', 5, 2)) {
info("added database backup task for `%s'", $db);
}
$fqdn = $this->web_normalize_hostname($hostname);
$args['uri'] = rtrim($fqdn . '/' . $path, '/');
$args['proto'] = empty($opts['ssl']) ? 'http://' : 'https://';
$args['debug'] = is_debug() ? '-V' : null;
$ret = $this->_exec($docroot,
'nvm exec --silent --lts ghost %(debug)s install --process=local --no-prompt --no-stack --no-start --no-color --db=mysql --dbhost=localhost.localdomain --dbuser=%(dbuser)s --dbpass=%(dbpassword)s ' .
'--dbname=%(dbname)s --no-setup-linux-user --no-setup-nginx --url=%(proto)s%(uri)s --mail=sendmail %(version)s',
$args);
if (!$ret['success']) {
info('removing temporary files');
$this->file_delete($docroot, true);
$this->sql_delete_mysql_database($db);
$this->sql_delete_mysql_user($dbuser, '127.0.0.1');
return error('failed to download Ghost v%s: %s - possibly out of storage space?', $args['version'],
$ret['stderr']);
}
$wrapper = empty($opts['user']) ? $this : \apnscpFunctionInterceptor::factory(Auth::context($opts['user'],
$this->site));
$nodever = $wrapper->node_lts_version();
$wrapper->node_make_default($nodever, $docroot);
if (!isset($opts['password'])) {
$opts['password'] = $this->suggestPassword(10);
info("autogenerated password `%s'", $opts['password']);
}
$username = $this->user_getpwnam($opts['user'] ?? $this->username)['gecos'] ?: $this->username;
info("setting displayed name to `%s'", $username);
$opts['url'] = rtrim($hostname . '/' . $path, '/');
$params = array(
'version' => $this->get_version($hostname, $path),
'hostname' => $hostname,
'path' => $path,
'autoupdate' => (bool)$opts['autoupdate'],
'options' => array_except($opts, 'version')
);
if (!$this->fixSymlink($docroot)) {
return error("Failed to correct current/ symlink in `%s'", $docroot);
}
$this->fixThemeLink($docroot);
if (null === ($docroot = $this->remapPublic($hostname, $path))) {
return error("Failed to remap Ghost to public/, manually remap from `%s' - Ghost setup is incomplete!",
$docroot);
}
$docroot = $this->getDocumentRoot($hostname, $path);
$approot = $this->getAppRoot($hostname, $path);
foreach (['tmp', 'public', 'logs'] as $dir) {
($this->file_create_directory("${approot}/${dir}") &&
$this->file_chown("${approot}/${dir}", $opts['user'] ?? $this->username)
) || warn("failed to create application directory `%s/%s'", $docroot, $dir);
}
$phusionroot = platform_is('7.5') ? $approot : $this->domain_fs_path($approot);
if (!$this->file_put_file_contents($approot . '/public/.htaccess',
'# Enable caching' . "\n" .
'UnsetEnv no-cache' . "\n" .
'PassengerEnabled on' . "\n" .
'PassengerAppEnv production' . "\n" .
'PassengerStartupFile current/index.js' . "\n" .
'PassengerAppType node' . "\n" .
'PassengerNodejs ' . $this->getNodeCommand('lts', $opts['user'] ?? null) . "\n" .
'PassengerAppRoot ' . $phusionroot . "\n"
)) {
return error('failed to create .htaccess control - Ghost is not properly setup');
}
$this->map('add', $docroot, $params);
$this->linkConfiguration($approot, 'production');
$config = [
'useMinFiles' => 'true',
'caching.frontend.maxAge' => 120,
'logging.rotation.enabled' => 'true',
'database.pool.max' => 5,
'paths.contentPath' => "${approot}/content"
];
foreach ($config as $c => $v) {
$ret = $this->_exec($approot, 'nvm exec ghost config set %(c)s %(v)s', ['c' => $c, 'v' => $v]);
if (!$ret['success']) {
return error("Failed to set configuration `%s': %s", $c, coalesce($ret['stderr'], $ret['stdout']));
}
}
$this->_exec($approot, 'npm install -g knex-migrator');
$ret = $this->_exec("${approot}/current", 'nvm exec knex-migrator init');
if (!$ret['success']) {
return error('Failed to create initial database configuration - knex-migrator failed: %s',
coalesce($ret['stderr'], $ret['stdout']));
}
if (!$this->migrate($approot)) {
return error('Failed to migrate database configuration - Ghost installation incomplete');
}
$this->change_admin($hostname, $path, [
'email' => $opts['email'],
'password' => $opts['password'],
'name' => $username
]);
if (array_get($opts, 'notify', true)) {
\Lararia\Bootstrapper::minstrap();
\Illuminate\Support\Facades\Mail::to($opts['email'])->
send((new \Module\Support\Webapps\Mailer('install.ghost', [
'login' => $opts['email'],
'password' => $opts['password'],
'uri' => $args['uri'],
'proto' => $args['proto'],
'appname' => static::APP_NAME
]))->setAppName(static::APP_NAME));
}
if (!$opts['squash']) {
parent::unsquash(dirname($docroot));
}
return info('Ghost installed - confirmation email with login info sent to %s', $opts['email']);
}
protected function validateNode(string $version = 'lts', string $user = null): bool
{
if ($user) {
$afi = \apnscpFunctionInterceptor::factory(Auth::context($user, $this->site));
}
$wrapper = $afi ?? $this;
if (!$wrapper->node_installed($version) && !$wrapper->node_install($version)) {
return error('failed to install Node %s', $version);
}
$wrapper->node_do($version, 'nvm use --delete-prefix --lts');
$ret = $wrapper->node_do($version, 'npm install -g ghost-cli');
if (!$ret['success']) {
return error('failed to install ghost-cli: %s', $ret['stderr'] ?? 'UNKNOWN ERROR');
}
$home = $this->user_get_home($user);
$stat = $this->file_stat($home);
if (!$stat || !$this->file_chmod($home, decoct($stat['permissions']) | 0001)) {
return error("failed to query user home directory `%s' for user `%s'", $home, $user);
}
return true;
}
private function _exec($path = null, $cmd, array $args = array())
{
if (!is_array($args)) {
$args = func_get_args();
array_shift($args);
}
$user = $this->username;
if ($path) {
$cmd = 'cd %(path)s && /bin/bash -ic -- ' . escapeshellarg($cmd);
$args['path'] = $path;
$user = $this->file_stat($path)['owner'] ?? $this->username;
}
$ret = $this->pman_run($cmd, $args,
[
'NVM_DIR' => $this->user_get_home($user),
'PATH' => getenv('PATH') . PATH_SEPARATOR . '~/node_modules/.bin',
'NODE_ENV' => 'production'
], ['user' => $user]);
if (!strncmp(coalesce($ret['stderr'], $ret['stdout']), 'Error:', strlen('Error:'))) {
$ret['success'] = false;
if (!$ret['stderr']) {
$ret['stderr'] = $ret['stdout'];
}
}
return $ret;
}
public function get_version(string $hostname, string $path = ''): ?string
{
if (!$this->valid($hostname, $path)) {
return null;
}
$approot = $this->getAppRoot($hostname, $path);
$path = $this->domain_fs_path() . $approot . '/current/package.json';
clearstatcache(true, \dirname($path));
clearstatcache(true, $path);
if (!file_exists($path)) {
warn('missing package.json from Ghost root - cannot detect version');
return null;
}
return json_decode(file_get_contents($path))->version;
}
public function valid(string $hostname, string $path = ''): bool
{
if (!IS_CLI) {
return $this->query('ghost_valid', $hostname, $path);
}
if ($hostname[0] === '/') {
if (!($path = realpath($this->domain_fs_path($hostname)))) {
return false;
}
$approot = \dirname($path);
} else {
$approot = $this->getAppRoot($hostname, $path);
if (!$approot) {
return false;
}
$approot = $this->domain_fs_path($approot);
}
if (is_link($approot . '/current') && readlink($approot . '/current')[0] === '/') {
$this->fixSymlink($this->file_unmake_path($approot));
}
return file_exists($approot . '/current/core/server/lib/ghost-version.js');
}
private function fixSymlink(string $approot): bool
{
$path = $this->domain_fs_path("${approot}/current");
clearstatcache(true, $path);
if (!is_link($path)) {
return error("${approot}/current missing - can't relink");
}
$link = readlink($path);
if ($link[0] !== '/') {
$stat = $this->file_stat("${approot}/current");
return !empty($stat['referent']) ? true : error("${approot}/current does not point to an active Ghost install");
}
if (0 !== strpos($link, $approot)) {
return false;
}
if (!$this->file_delete($approot . '/current') || !$this->file_symlink($link, $approot . '/current')) {
return false;
}
return $this->file_chown_symlink($approot . '/current', $this->file_stat($approot)['owner']);
}
private function fixThemeLink(string $approot): bool
{
$path = $this->domain_fs_path("${approot}/content/themes");
if (!file_exists($path)) {
return warn("Cannot correct theme symlinks, cannot find theme path");
}
$dh = opendir($path);
while (false !== ($file = readdir($dh))) {
if ($file === '.' || $file === '..') {
continue;
}
if (!is_link("${path}/${file}")) {
continue;
}
$link = readlink("${path}/${file}");
if (0 !== strpos($link . '/', Web_Module::MAIN_DOC_ROOT . '/')) {
continue;
}
$localpath = $this->file_unmake_path("${path}/${file}");
$this->file_delete($localpath) && $this->file_symlink($approot . substr($link,
strlen(Web_Module::MAIN_DOC_ROOT)),
$localpath);
}
closedir($dh);
return true;
}
protected function getNodeCommand(string $version = 'lts', string $user = null): ?string
{
if ($user) {
$afi = \apnscpFunctionInterceptor::factory(Auth::context($user, $this->site));
}
$ret = ($afi ?? $this)->node_do($version, 'which node');
return $ret['success'] ? trim($ret['output']) : null;
}
private function linkConfiguration(string $approot, string $appenv = 'production'): bool
{
$stat = $this->file_stat($approot . "/current/config.${appenv}.json");
if ($stat) {
if ($stat['link']) {
return true;
}
$this->file_delete($approot . "/current/config.${appenv}.json");
}
return $this->file_symlink($approot . "/config.${appenv}.json",
$approot . "/current/config.${appenv}.json") ||
warn("failed to link configuration ${approot}/config.${appenv}.json to current/");
}
private function migrate(string $approot, string $appenv = 'production'): bool
{
$this->linkConfiguration($approot, $appenv);
$ret = $this->_exec("${approot}/current", 'nvm exec knex-migrator migrate');
return $ret['success'] ?: error("failed to migrate database in `%s': %s", $approot,
coalesce($ret['stderr'], $ret['stdout']));
}
public function change_admin(string $hostname, string $path = '', array $fields): bool
{
$docroot = $this->getAppRoot($hostname, $path);
if (!$docroot) {
return warn('failed to change administrator information');
}
$admin = $this->get_admin($hostname, $path);
if (!$admin) {
return error('cannot determine admin of Ghost install');
}
if (isset($fields['password'])) {
if (!\Opcenter\Auth\Password::strong($fields['password'])) {
return false;
}
$fields['password'] = password_hash($fields['password'], PASSWORD_BCRYPT, ['cost' => 10]);
}
if (isset($fields['name'])) {
$fields['slug'] = str_slug($fields['name']);
}
$db = $this->connectDB($hostname, $path);
$q = "UPDATE users SET status = 'active'";
foreach (['password', 'email', 'name', 'slug'] as $field) {
if (!isset($fields[$field])) {
continue;
}
$q .= ", {$field} = '" . $db->escape_string($fields[$field]) . "'";
}
$q .= " WHERE email = '" . $admin . "'";
if (false === $db->query($q) || $db->affected_rows() < 1) {
return error("Failed to change admin user `%s'", $admin);
}
if (isset($fields['email'])) {
info('user login changed to %s', $fields['email']);
}
if (isset($fields['password'])) {
info("user `%s' password changed", $fields['email'] ?? $admin);
}
return true;
}
public function get_admin(string $hostname, string $path = ''): ?string
{
$mysql = $this->connectDB($hostname, $path);
$rs = $mysql->query('SELECT email FROM users WHERE id = 1');
if (!$rs || $rs->num_rows < 1) {
return null;
}
return $rs->fetch_object()->email;
}
private function connectDB($hostname, $path): \MySQL
{
$dbconfig = $this->db_config($hostname, $path);
$host = $dbconfig['host'] === 'localhost.localdomain' ? '127.0.0.1' : $dbconfig['host'];
return \MySQL::stub()->connect($host, $dbconfig['user'], $dbconfig['password'], $dbconfig['db']);
}
public function db_config(string $hostname, string $path = '')
{
$approot = $this->getAppRoot($hostname, $path);
if (!$approot) {
error('failed to determine Ghost config - ' . $approot);
return [];
}
foreach (['development', 'production'] as $env) {
$path = "${approot}/config.${env}.json";
if ($this->file_exists($path)) {
$json = json_decode($this->file_get_file_contents($path), true)['database']['connection'];
if (!$json) {
continue;
}
$json['db'] = $json['database'];
$json['prefix'] = '';
return $json;
}
}
return [];
}
public function install_plugin(
string $hostname,
string $path = '',
string $plugin,
string $version = 'stable'
): bool {
return error('not supported');
}
public function uninstall(string $hostname, string $path = '', string $delete = 'all'): bool
{
$this->kill($hostname, $path);
return parent::uninstall($hostname, $path, $delete);
}
public function is_current(string $version = null, string $branchcomp = null)
{
return parent::is_current($version, $branchcomp);
}
public function update_all(string $hostname, string $path = '', string $version = null): bool
{
return $this->update($hostname, $path, $version) || error('failed to update all components');
}
public function update(string $hostname, string $path = '', string $version = null): bool
{
$approot = $this->getAppRoot($hostname, $path);
if (!$approot) {
return error('update failed');
}
if (!$version) {
$version = \Opcenter\Versioning::nextVersion($this->get_versions(),
$this->get_version($hostname, $path));
} else if (!\Opcenter\Versioning::valid($version)) {
return error('invalid version number, %s', $version);
}
$this->file_chmod($approot, 705);
$oldversion = $this->get_version($hostname, $path);
if ($oldversion === $version) {
return info("Ghost is already at current version `%s'", $version);
}
if (\Opcenter\Versioning::asMajor($version) !== \Opcenter\Versioning::asMajor($oldversion)) {
info("Major upgrade detected - updating ghost-cli, relaxing permissions");
$this->pman_run(
'find %(approot)s/ -mindepth 1 -type d -exec chmod 00775 {} \;',
['approot' => $approot],
[],
['user' => $this->getDocrootUser($approot)]
);
if (!$this->_exec($approot, 'nvm exec ghost %s update --local -D --no-restart --no-color --v%d',
[
is_debug() ? '-V' : null,
\Opcenter\Versioning::asMajor($oldversion)
])) {
return error("Failed to prep for major version upgrade");
}
return error("Ghost must be upgraded from terminal. Run the following command to use the migration assistant: " .
"cd %s && env NODE_ENV=production nvm exec ghost update --local -f", $approot);
}
$cmd = 'nvm exec ghost %(debug)s update --no-restart -D --local --no-prompt --no-color %(version)s';
$args['debug'] = is_debug() ? '-V' : null;
$args['version'] = $version;
$ret = $this->_exec($approot, $cmd, $args);
$this->fixSymlink($approot);
$this->file_touch("${approot}/tmp/restart.txt");
if (!$ret['success']) {
parent::setInfo($this->getDocumentRoot($hostname, $path), [
'version' => $this->get_version($hostname, $path),
'failed' => true
]);
return error("failed to update Ghost: %s", coalesce($ret['stderr'], $ret['stdout']));
}
$ret = $this->migrate($approot) && ($this->kill($hostname, $path) || true);
if ($version !== ($newver = $this->get_version($hostname, $path))) {
report("Upgrade failed, reported version `%s' is not requested version `%s'", $newver, $version);
}
parent::setInfo($this->getDocumentRoot($hostname, $path), [
'version' => $newver,
'failed' => !$ret
]);
return $ret;
}
public function get_versions(): array
{
$versions = $this->_getVersions();
return array_column($versions, 'version');
}
private function _getVersions(): array
{
$key = 'ghost.versions';
$cache = Cache_Super_Global::spawn();
if (false !== ($ver = $cache->get($key))) {
return (array)$ver;
}
$versions = (new Webapps\VersionFetcher\Github)->fetch('TryGhost/Ghost');
$cache->set($key, $versions, 43200);
return $versions;
}
public function update_plugins(string $hostname, string $path = '', array $plugins = array()): bool
{
return error('not implemented');
}
public function update_themes(string $hostname, string $path = '', array $themes = array()): bool
{
return error('not implemented');
}
public function has_fortification(string $mode = null): bool
{
return false;
}
public function fortify(string $hostname, string $path = '', string $mode = 'max'): bool
{
return error('not implemented');
}
public function unfortify(string $hostname, string $path = ''): bool
{
return error('not implemented');
}
public function _housekeeping()
{
return true;
}
public function theme_status(string $hostname, string $path = '', string $theme = null)
{
return parent::theme_status($hostname, $path, $theme);
}
public function install_theme(string $hostname, string $path = '', string $theme, string $version = null): bool
{
return parent::install_theme($hostname, $path, $theme, $version);
}
}