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<?php
namespace Module\Support;
use File_Module;
use Module\Support\Webapps\MetaManager;
use Opcenter\Versioning;
use User_Module;
use Web_Module;
abstract class Webapps extends \Module_Skeleton implements Webapps\Contracts\Webapp
{
use \NamespaceUtilitiesTrait;
const APPLICATION_PREF_KEY = 'webapps.paths';
const APP_NAME = 'undefined';
const DEFAULT_VERSION_LOCK = 'none';
public $exportedFunctions = array(
'*' => PRIVILEGE_SITE | PRIVILEGE_USER,
'get_versions' => PRIVILEGE_ALL,
'is_current' => PRIVILEGE_ALL,
'next_version' => PRIVILEGE_ALL
);
public static function knownApps(): array
{
$key = 'webapps.applist';
$cache = \Cache_Global::spawn();
$apps = $cache->get($key);
if (false !== $apps) {
return $apps;
}
$apps = array_filter(array_map(function ($app) {
if (substr($app, -4) !== '.php') {
return false;
}
$name = substr($app, 0, -4);
$appclass = 'AppType_' . ucwords($name);
$class = (new \ReflectionClass(self::appendNamespace($appclass)))->newInstanceWithoutConstructor();
if ($class->display()) {
return strtolower($name);
}
return false;
}, Filesystem::readdir(__DIR__ . DIRECTORY_SEPARATOR . 'AppType')));
asort($apps);
$cache->set($key, $apps, 300);
return $apps;
}
public function fortify(string $hostname, string $path = '', string $mode = 'max'): bool
{
$approot = $this->getAppRoot($hostname, $path);
if (!$approot || !$this->valid($hostname, $path)) {
return error("path `%s' is not a %s install", $approot, $this->getInternalName());
}
if (!isset($this->_aclList[$mode])) {
return error("unknown mode `%s'", $mode);
}
$username = $this->getDocrootUser($approot);
$this->file_set_acls($approot, null, array(File_Module::ACL_MODE_RECURSIVE));
$files = $this->_mapFiles($this->getACLFiles($mode, $approot), $approot);
$users = array(
array(Web_Module::WEB_USERNAME => 'drwx'),
array(Web_Module::WEB_USERNAME => 'rwx'),
array($username => 'rwx'),
array($username => 'drwx'),
);
$flags = array(
File_Module::ACL_MODE_RECURSIVE => true,
);
if (!$this->file_set_acls($files, $users, $flags)) {
return warn("fortification failed on `%s/%s'", $hostname, $path);
}
$this->setOptions($approot, ['fortify' => $mode]);
return true;
}
protected function getAppRoot(string $hostname, string $path = ''): ?string
{
if (!($approot = $this->web_normalize_path($hostname, $path))) {
return null;
}
if (!$stat = $this->file_stat($approot)) {
return $approot;
}
if ($stat['link']) {
$approot = $stat['referent'];
}
return $approot ?: null;
}
abstract public function valid(string $hostname, string $path = ''): bool;
protected function getInternalName()
{
return strtolower(static::APP_NAME);
}
protected function getDocrootUser(string $docroot): string
{
if (!($this->permission_level & PRIVILEGE_SITE)) {
return $this->username;
}
$stat = $this->file_stat($docroot);
if (!$stat) {
return $this->username;
}
if ($stat['uid'] < \apnscpFunctionInterceptor::get_autoload_class_from_module('user')::MIN_UID) {
warn("docroot `%s' is owned by system user `%d'", $docroot, $stat['uid']);
return $this->username;
}
if (!($username = $this->user_get_username_from_uid($stat['uid']))) {
warn("failed to translate uid `%d' to user, defaulting ownership of `%s' to `%s'",
$stat['uid'], $docroot, $this->username);
return $this->username;
}
return $username;
}
protected function _mapFiles(array $files, string $docroot): array
{
$prefix = $this->domain_fs_path();
return array_filter(array_map(function ($f) use ($docroot, $prefix) {
return $this->buildFileMapList($f, $docroot, $prefix);
}, $files));
}
protected function buildFileMapList(string $f, string $docroot, string $prefix): ?string
{
if ($f[0] !== '/') {
$f = $docroot . '/' . $f;
}
$path = $prefix . $f;
if (false === strpbrk($f, '[]*') && !file_exists($path)) {
return null;
}
return $f;
}
protected function getACLFiles(string $mode, string $approot): array
{
return $this->_aclList[$mode];
}
public function setOptions(string $docroot, ?array $options)
{
return $this->setMap($docroot, 'options', array_replace($this->getOptions($docroot), $options));
}
private function setMap($docroot, $param, $val = null)
{
$docroot = rtrim($docroot, '/');
$map = $this->getMap($docroot);
if (!\is_array($param)) {
if (null === $val) {
unset($map[$param]);
} else {
$map[$param] = $val;
}
} else {
$map = $param;
}
return $this->saveMap($docroot, $map);
}
private function getMap(string $docroot): array
{
$docroot = rtrim($docroot, '/');
$map = MetaManager::factory($this->getAuthContext());
return $map->get($docroot)->toArray();
}
private function saveMap($docroot, $map)
{
$docroot = rtrim($docroot, '/');
$prefs = MetaManager::factory($this->getAuthContext());
if (null === $map) {
$prefs->forget($docroot);
} else {
$prefs->set($docroot, $map);
}
return true;
}
public function getOptions($docroot)
{
return array_get($this->getMap($docroot), 'options', []);
}
public function failed($docroot, $failedFlag = null)
{
$prefs = $this->getMap($docroot);
if ($failedFlag === null) {
return array_get($prefs, 'failed', false);
}
$prefs['failed'] = (bool)$failedFlag;
return $this->setMap($docroot, $prefs);
}
public function getVersionLock($docroot)
{
$options = $this->getOptions($docroot);
$lock = array_get($options, 'verlock', null);
if ($lock === 'none') {
return false;
}
return $lock ?? static::DEFAULT_VERSION_LOCK;
}
public function has_fortification(string $mode = null): bool
{
if ($mode) {
return isset($this->_aclList[$mode]);
}
return !empty($this->_aclList);
}
public function unfortify(string $hostname, string $path = ''): bool
{
$docroot = $this->getAppRoot($hostname, $path);
if (!$docroot || !$this->valid($hostname, $path)) {
return error("path `%s' is not a " . static::APP_NAME . ' install', $docroot);
}
$prefs = $this->getOptions($docroot);
$users = array(
array(Web_Module::WEB_USERNAME => 'rxw'),
array(Web_Module::WEB_USERNAME => 'drwx'),
$this->username => 'drwx'
);
if (!$this->file_set_acls($docroot, $users, array(File_Module::ACL_MODE_RECURSIVE => true))) {
return warn("unfortification failed on `%s/%s'", $hostname, $path);
}
$prefs['fortify'] = false;
$this->setOptions($docroot, $prefs);
return true;
}
public function uninstall(string $hostname, string $path = '', string $delete = 'all'): bool
{
$docroot = $this->getDocumentRoot($hostname, $path);
if (!$docroot) {
return error('failed to determine path');
}
if (!$this->valid($hostname, $path)) {
return error("`%s' does not contain a valid " . static::APP_NAME . " install", $docroot);
}
$delete = strtolower($delete);
if ($delete && !\in_array($delete, array('all', 'db', 'files'), true)) {
return error("unknown delete option `%s'", $delete);
}
$config = $this->db_config($hostname, $path);
$dbtype = $config['type'] ?? 'mysql';
if ($delete === 'all' || $delete === 'db') {
if (!$config) {
warn('cannot remove database, config missing?');
} else if ($this->{$dbtype . '_database_exists'}($config['db']) && !$this->{$dbtype . '_delete_database'}($config['db'])) {
warn("failed to delete mysql database `%s'", $config['db']);
} else if ($config['user'] !== $this->getServiceValue($dbtype, 'dbaseadmin')) {
if ($this->{$dbtype . '_user_exists'}($config['user'],
$config['host']) && !$this->{$dbtype . '_delete_user'}($config['user'], $config['host'])
) {
warn("failed to delete mysql user `%s' on localhost", $config['user']);
}
}
} else if ($config) {
warn("database kept, delete user: `%s'@`%s', db: `%s' manually",
$config['user'],
$config['host'],
$config['db']
);
}
$options = $this->getOptions($docroot);
$this->map('delete', $docroot);
if (!$delete || $delete === 'db') {
return info("removed configuration, manually delete files under `%s'", $docroot);
}
$approot = $this->getAppRoot($hostname, $path);
if ($this->getDocumentRoot($hostname, $path) !== $this->getAppRoot($hostname, $path)) {
$this->remapPublic($hostname, $path, '');
}
$this->file_delete($approot, true);
if ($approot !== $docroot && 0 !== strpos("${docroot}/", "${approot}/")) {
$this->file_delete($docroot, true);
}
$url = rtrim(join('/', array($hostname, $path)), '/');
$this->file_purge();
$this->file_create_directory($this->getDocumentRoot($hostname, $path), 0755, true);
if (!array_get($options, 'squash', true)) {
$this->unsquash($docroot);
}
return info("deleted %s `%s' located under `%s'", static::APP_NAME, $url, $docroot);
}
protected function getDocumentRoot(string $hostname, string $path = ''): ?string
{
return $this->web_get_docroot($hostname, $path);
}
protected function map($mode, $docroot, array $params = null)
{
if ($mode != 'add' && $mode != 'delete') {
return error("failed to set map for `%s', unknown mode `%s'",
$docroot, $mode);
}
if ($mode == 'delete') {
return $this->saveMap($docroot, null);
}
$prefs = array_merge($this->getMap($docroot), $params);
$prefs['type'] = $this->getModule();
return $this->saveMap($docroot, $prefs);
}
protected function getModule()
{
$class = \get_class($this);
return strtolower(substr($class, 0, strpos($class, '_'))) ?? 'skeleton';
}
protected function remapPublic(string $hostname, string $path = '', string $public = 'public'): ?string
{
if (!$public && !$path && $hostname === $this->domain) {
$this->file_delete(Web_Module::MAIN_DOC_ROOT, true);
$this->file_create_directory(Web_Module::MAIN_DOC_ROOT);
return Web_Module::MAIN_DOC_ROOT;
}
$rootsave = $this->getDocumentRoot($hostname, $path);
if (false === ($docroot = $this->movePrimaryDocumentRoot($rootsave))) {
warn("failed to relocate docroot for %s - installation incomplete", ucwords($this->getInternalName()));
return null;
}
if (!$public) {
$public = $this->getAppRoot($hostname, $path);
$stat = $this->file_stat($public);
if (!$stat || $stat['link']) {
warn("Cannot remap public, public `%s' does not exist or is a symlink", $public);
return null;
}
}
if ($rootsave !== $docroot) {
$stat = $this->file_stat($rootsave);
if ($stat && $stat['link']) {
$this->file_delete($rootsave, false);
}
}
if ($public[0] !== '/') {
if (!$this->file_exists("${docroot}/${public}")) {
if (!$stat = $this->file_stat($docroot)) {
error("document root `%s' missing - unable to stat", $docroot);
return null;
}
$this->file_create_directory("${docroot}/${public}");
$this->file_chown("${docroot}/${public}", $stat['owner']);
}
if ($rootsave !== $docroot) {
$stat = $this->file_stat($docroot);
if (!$stat) {
error("emerg! failed to stat path `%s'", $docroot);
return null;
}
if ($public) {
$this->file_symlink($docroot . '/' . $public, $rootsave);
}
$this->file_chown_symlink($rootsave, $stat['owner'], true);
$this->web_purge();
return $rootsave;
}
}
$normalized = $this->web_normalize_hostname($hostname);
[$subdomain, $domain] = array_values($this->web_split_host($normalized));
$newpath = $public[0] === '/' ? $public : "${docroot}/${public}";
$ret = true;
if ($docroot !== rtrim("${docroot}/${public}", '/')) {
if ($subdomain) {
$ret = $this->web_rename_subdomain($hostname, null, $newpath)
&& info("Moved document root for `%s' from `%s' to `%s'", $normalized, $docroot, $newpath);
} else {
$ret = $this->aliases_modify_domain($domain, ['path' => $newpath])
&& info("Moved document root for `%s' from `%s' to `%s'", $normalized, $docroot, $newpath);
}
}
$this->web_purge();
return !$ret ? null : $newpath;
}
protected function movePrimaryDocumentRoot(string $docroot)
{
if ($docroot !== \Web_Module::MAIN_DOC_ROOT) {
return $docroot;
}
$app = $this->getInternalName();
$suffix = '';
$i = 0;
do {
$newroot = \dirname($docroot) . DIRECTORY_SEPARATOR . 'html-' . $app . $suffix;
if (!$this->file_exists($newroot)) {
break;
}
$newroot = null;
$i++;
$suffix = '-' . date('Ymd-' . $i);
} while ($i < 100);
if (null === $newroot) {
return error("failed to rename docroot `%s' - cannot find a suitable location", $docroot);
}
if ($this->file_exists($newroot)) {
return error("attempted to install %s in `%s', but directory exists - remove first before proceeding",
ucwords($app), $newroot);
}
if (!$this->file_rename($docroot, $newroot)) {
return error("failed to rename docroot from `%s' to `%s'", $docroot, $newroot);
}
info("Relocated primary document root from `%s' to `%s'", $docroot, $newroot);
$this->web_purge();
return $newroot;
}
protected function unsquash(string $docroot): bool
{
$stat = $this->file_stat(\dirname($docroot));
$newuid = array_first([$stat['uid'], $this->user_id], function ($uid) {
return $uid >= User_Module::MIN_UID;
});
if ($newuid === $this->user_id) {
return true;
}
$ret = $this->file_chown($docroot, $newuid, true);
if (!$ret) {
warn("failed to unsquash `%s', ownership will remain as `%s'", $docroot, $this->username);
}
$this->file_set_acls(
$docroot,
$this->username,
'rwx',
[File_Module::ACL_MODE_RECURSIVE, File_Module::ACL_MODE_RECURSIVE]
);
return true;
}
public function next_version(string $version, string $maximalbranch = '99999999.99999999.99999999'): ?string
{
$versions = $this->get_versions();
return Versioning::nextVersion($versions, $version, $maximalbranch);
}
public function is_current(string $version = null, string $branchcomp = null)
{
$versions = $this->get_versions();
if (!$version) {
return array_pop($versions);
}
return Versioning::current($versions, $version, $branchcomp);
}
public function _cron()
{
}
public function configureSsl(string $hostname)
{
if (false === strpos($hostname, '.')) {
$tmp = $this->web_normalize_hostname($hostname);
warn("Configuring SSL on global subdomains not fully supported - appending `%s' to subdomain",
substr($tmp, \strlen($hostname) + 1));
$hostname = $tmp;
}
if (!$this->letsencrypt_supported() && !$this->ssl_cert_exists()) {
return error('SSL not enabled on account');
}
$certdata = $this->ssl_get_certificates();
$cnames = [];
if ($certdata) {
$certdata = array_pop($certdata);
$crt = $this->ssl_get_certificate($certdata['crt']);
$cnames = $this->ssl_get_alternative_names($crt);
if (\in_array($hostname, $cnames, true)) {
return true;
}
if (!$this->letsencrypt_is_ca($crt) && !\in_array('*.' . $hostname, $cnames, true)) {
return error("SSL certificate provided by CA other than Let's Encrypt. " .
"Contact issuer to add hostname `%s' to certificate or disable SSL for this web app. " .
"New certificate must then be installed to proceed.", $hostname);
}
}
$cnames[] = $hostname;
if (!$this->letsencrypt_request($cnames, false)) {
[$subdomain, $domain] = array_values($this->web_split_host($hostname));
return error(
"Failed to request SSL certificate for `%s'. Internal subrequest failed. Possible causes: " .
"(1) DNS invalid. Expected IP address `%s' for %s. Actual IP address `%s'. (2) Nameservers invalid. " .
"Expected nameserver settings `%s'. Actual nameserver settings `%s'. (3) DNS propagation delays. " .
"If this domain was recently added, it may be a propagation delay that can take up to 24 hours " .
"to resolve; see %s for additional details. Try again later or disable SSL.",
$hostname,
$this->dns_get_public_ip(),
$hostname,
(string)$this->dns_gethostbyname_t($hostname),
implode(', ', $this->dns_get_hosting_nameservers($domain)),
implode(', ', (array)$this->dns_get_authns_from_host($hostname)),
MISC_KB_BASE . '/dns/dns-work/'
);
}
return true;
}
public function theme_status(string $hostname, string $path = '', string $theme = null)
{
return [];
}
public function install_theme(string $hostname, string $path = '', string $theme, string $version = null): bool
{
return error('not implemented');
}
public function uninstall_theme(string $hostname, string $path = '', string $theme, bool $force = false): bool
{
return error('not implemented');
}
protected function getApnscpFunctionInterceptorFromDocroot(
string $docroot,
&$context = null
): \apnscpFunctionInterceptor {
$user = $this->getDocrootUser($docroot);
if ($user === $this->username) {
$context = $this->getAuthContext();
return $this->getApnscpFunctionInterceptor();
}
$context = \Auth::context($user, $this->site);
return \apnscpFunctionInterceptor::factory($context);
}
protected function hasMemoryAllowance(int $memory, &$available = null): bool
{
return !$this->cgroup_enabled() || ($available = $this->getConfig('cgroup', 'memory',
\Opcenter\System\Memory::stats()['memtotal'] / 1024)) >= $memory;
}
protected function hasStorageAllowance(int $storage, &$available = null): bool
{
$quota = $this->site_get_account_quota();
if (!$this->getConfig('diskquota', 'enabled')) {
return true;
}
$available = (int)(($quota['qhard'] - $quota['qused']) / 1024);
return $available >= $storage;
}
protected function checkEmail(array &$options): bool
{
if (isset($options['email']) && !preg_match(Regex::EMAIL, $options['email'])) {
return error("invalid email address `%s' specified", $options['email']);
}
$options['email'] = $this->common_get_email();
return true;
}
protected function prepareSquash(array &$options): bool
{
$squash = array_get($options, 'squash', false);
if ($squash && $this->permission_level & PRIVILEGE_USER) {
warn('must squash privileges as secondary user');
$squash = true;
}
$options['squash'] = $squash;
return (bool)$squash;
}
protected function checkVersion(array &$options): bool
{
$version = array_get($options, 'version');
if (null === $version) {
$version = $this->get_versions();
$version = array_pop($version);
} else if (null !== $version && strcspn($version, ".0123456789")) {
return error("invalid version number, %s", $version);
}
$options['version'] = $version;
return true;
}
protected function checkDocroot($docroot, $user = null)
{
if (!$user) {
$user = $this->username;
}
if (!$this->user_exists($user)) {
return error("target user for install `%s' does not exist", $user);
}
$this->file_purge();
if (!$this->file_exists($docroot) && !$this->file_create_directory($docroot, 0755, true)) {
return error("failed to create installation directory `%s'", $docroot);
}
$publicpath = $this->domain_fs_path() . DIRECTORY_SEPARATOR . $docroot;
$files = glob($publicpath . DIRECTORY_SEPARATOR . '*');
$placeholder = $docroot . '/index.html';
if (\count($files) === 1 && $this->file_exists($placeholder)) {
$this->file_delete($placeholder);
info('removed placeholder file');
} else if (!empty($files)) {
return error("target path `%s' must be empty, %d files located in `%s'", $docroot, \count($files),
$docroot);
}
$this->file_chown($docroot, $user);
$this->file_purge();
return true;
}
protected function kill($hostname, $path): int
{
$approot = $this->getAppRoot($hostname, $path);
$procs = $this->pman_get_processes();
$count = 0;
if ($this->permission_level & PRIVILEGE_SITE | PRIVILEGE_USER) {
$approot = $this->domain_fs_path() . $approot;
}
foreach ($procs as $pid => $data) {
if (0 === strpos($data['cwd'], $approot)) {
$this->pman_kill($pid) && $count++;
}
}
return $count;
}
protected function _suggestDB($domain, $type = 'mysql')
{
$suffix = '';
$dbprefix = $this->sql_get_prefix();
$maxlen = $this->sql_mysql_schema_column_maxlen('db');
$normalizedname = substr(
str_replace(array('.', '-'), '', $domain), 0, $maxlen);
if ((\strlen($normalizedname) + 3) >= $maxlen) {
$pos = null;
if (false === ($pos = strpos($domain, '.'))) {
$pos = $maxlen - 5;
}
$normalizedname = substr($normalizedname, 0, $pos);
}
for ($i = 1; $i < 100; $i++) {
$name = $dbprefix . $normalizedname . $suffix;
if (\strlen($name) > $maxlen) {
warn('db name generation exceeds maximum allowable bounds, generating a random db name');
$name = $dbprefix . crc32(time());
}
if (!$this->{$type . '_database_exists'}($name)) {
return $name;
}
$suffix = '-' . $i;
}
return error('cannot generate a suitable database, pool exhausted');
}
protected function _suggestUser($dbname, $host = 'localhost', $type = 'mysql')
{
$suffix = '';
$dbprefix = $this->sql_get_prefix();
if (!strncmp($dbname, $dbprefix, \strlen($dbprefix))) {
$dbname = substr($dbname, \strlen($dbprefix));
}
$maxlen = $this->sql_mysql_schema_column_maxlen('user');
$normalizedname = substr(
str_replace(array('.', '-'), '', $dbname), 0, $maxlen);
if ((\strlen($normalizedname) + 3) > $maxlen) {
$pos = null;
if (false === ($pos = strpos($dbname, '.'))) {
$pos = $maxlen - 5;
}
$normalizedname = substr($normalizedname, 0, $pos);
}
for ($i = 1; $i < 20; $i++) {
$name = $dbprefix . $normalizedname . $suffix;
if (\strlen($name) > $maxlen) {
warn('db username generation exceeds maximum allowable bounds, generating a random username');
$name = crc32(time());
$dblen = \strlen($dbprefix);
$name = $dbprefix . substr($name, 0, $maxlen - $dblen);
}
if (!$this->{$type . '_user_exists'}($name, $host)) {
return $name;
}
$suffix = '-' . $i;
}
return error('cannot generate a suitable database, pool exhausted');
}
protected function suggestPassword(int $maxlen = 32): string
{
return \Opcenter\Auth\Password::generate($maxlen);
}
protected function setupDatabase(array $credentials, $type = 'mysql'): bool
{
$db = $credentials['db'];
$dbuser = $credentials['user'];
$dbpass = $credentials['password'];
$dbhost = $credentials['host'] ?? 'localhost';
$maxconn = $credentials['max_connections'] ?? \Mysql_Module::DEFAULT_CONCURRENCY_LIMIT;
if (!\apnscpFunctionInterceptor::module_exists($type)) {
return error("Unknown database type `%s'", $type);
}
if (!$this->{$type . '_create_database'}($db)) {
return error("failed to create suggested db `%s'", $db);
}
$userargs = [];
if ($type === 'pgsql') {
$userargs = [
$dbuser,
$dbpass,
$maxconn
];
} else {
$userargs = [
$dbuser,
$dbhost,
$dbpass,
$maxconn
];
}
if (!$this->{$type . '_add_user'}(...$userargs)) {
$this->{$type . '_delete_database'}($db);
return error("failed to create suggested user `%s'", $dbuser);
}
$oldex = \Error_Reporter::exception_upgrade();
try {
if ($type === 'pgsql') {
$this->pgsql_set_owner($db, $dbuser);
} else {
$this->{$type . '_set_privileges'}($dbuser, 'localhost', $db,
array('read' => true, 'write' => true));
}
} catch (\apnscpException $e) {
$this->{$type . '_delete_user'}($dbuser, 'localhost');
$this->{$type . '_delete_database'}($db);
return error("failed to set privileges on db `%s' for user `%s'", $db, $dbuser);
} finally {
\Error_Reporter::exception_upgrade($oldex);
}
if ($this->{$type . '_add_backup'}($db, 'zip', 5, 2)) {
info("added database backup task for `%s'", $db);
}
return true;
}
protected function getLatestVersion(string $branch = null): ?string
{
$versions = $this->get_versions();
if (!$versions) {
return null;
}
if (!$branch) {
return array_pop($versions);
}
$latest = null;
$search = $branch . '.0';
foreach ($versions as $version) {
if (0 === strpos($version, $branch) && version_compare($version, $search, '>=')) {
$latest = $version;
}
}
return $latest;
}
protected function fixRewriteBase($docroot, $path = '')
{
$file = $docroot . '/.htaccess';
$htaccess = $this->file_get_file_contents($file);
$replacement = '$1RewriteEngine On' . "\n" .
'$1RewriteBase ' . '/' . ltrim($path, '/');
$newhtaccess = preg_replace('/^(\s*)RewriteEngine On(?!\s+RewriteBase)/mi', $replacement, $htaccess);
$this->file_put_file_contents($file, $newhtaccess);
}
protected function download(string $url, string $dest, bool $extract = true)
{
$prefix = $this->domain_fs_path();
$basename = basename($url);
if (false !== ($pos = strpos($basename, '?'))) {
$basename = substr($basename, 0, $pos);
}
if (false !== ($pos = strpos($basename, '.tar.'))) {
$suffix = substr($basename, $pos);
} else {
$suffix = substr($basename, strrpos($basename, '.'));
}
$tmp = tempnam($prefix . '/' . TEMP_DIR, 'wget') . $suffix;
if (file_exists($tmp)) {
return error("cannot download, dest file/suffix `%s' exists", $tmp);
}
if (\extension_loaded('curl')) {
$adapter = new \HTTP_Request2_Adapter_Curl();
} else {
$adapter = new \HTTP_Request2_Adapter_Socket();
}
$http = new \HTTP_Request2(
$url,
\HTTP_Request2::METHOD_GET,
array(
'adapter' => $adapter,
'store_body' => false
)
);
$observer = new \HTTP_Request2_Observer_SaveDisk($tmp);
$http->attach($observer);
try {
$response = $http->send();
$code = $response->getStatus();
switch ($code) {
case 200:
break;
case 403:
return error("URL `%s' request forbidden by server", $url);
case 404:
return error("URL `%s' not found on server", $url);
case 301:
case 302:
$newLocation = $response->getHeader('location');
return self::download($newLocation, $dest, $extract);
default:
return error("URL request failed, code `%d': %s",
$code, $response->getReasonPhrase());
}
$content = $response->getHeader('content-type');
$okcontent = array('application/octet-stream', 'application/zip');
if (!\in_array($content, $okcontent, true)) {
\Error_Reporter::report($content);
}
$http->getBody();
} catch (\HTTP_Request2_Exception $e) {
return error("fatal error retrieving URL: `%s'", $e->getMessage());
}
if (!posix_getuid()) {
chown($tmp, WS_USER);
}
$jailtmp = $this->file_unmake_path($tmp);
$this->file_endow_upload(basename($jailtmp));
if (version_compare(platform_version(), '6.5', '>=')) {
$this->file_purge();
}
if ($extract && $this->file_is_compressed($jailtmp)) {
if (!$this->file_extract($jailtmp, $dest)) {
error("failed to extract downloaded file to `%s'", $dest);
$dest = null;
}
}
$this->file_delete($jailtmp);
return $dest;
}
protected function setInfo(string $docroot, ?array $info)
{
$old = $this->getMap($docroot);
return $this->setMap($docroot, array_replace($old, $info));
}
protected function _getWebappExtraStorageDirectory()
{
return resource_path('storehouse');
}
}