snappymail/snappymail/v/0.0.0/app/libraries/RainLoop/Config/Application.php

437 lines
16 KiB
PHP

<?php
namespace RainLoop\Config;
class Application extends \RainLoop\Config\AbstractConfig
{
private ?array $aReplaceEnv = null;
public function __construct()
{
parent::__construct('application.ini',
'; SnappyMail configuration file
; Please don\'t add custom parameters here, those will be overwritten',
APP_CONFIGURATION_NAME);
}
public function Load() : bool
{
$bResult = parent::Load();
$max = \floatval($this->Get('security', 'max_sys_getloadavg', 0));
if ($max && \is_callable('sys_getloadavg')) {
$load = \sys_getloadavg();
if ($load && $load[0] > $max) {
\header('HTTP/1.1 503 Service Unavailable', true, 503);
\header('Retry-After: 120');
exit("Mailserver too busy ({$load[0]}). Please try again later.");
}
}
$this->aReplaceEnv = null;
if ((isset($_ENV) && \is_array($_ENV) && \count($_ENV)) ||
(isset($_SERVER) && \is_array($_SERVER) && \count($_SERVER)))
{
$sEnvNames = $this->Get('labs', 'replace_env_in_configuration', '');
if (\strlen($sEnvNames)) {
$this->aReplaceEnv = \explode(',', $sEnvNames);
if (\is_array($this->aReplaceEnv)) {
$this->aReplaceEnv = \array_map('trim', $this->aReplaceEnv);
$this->aReplaceEnv = \array_map('strtolower', $this->aReplaceEnv);
}
}
}
if (!\is_array($this->aReplaceEnv) || !\count($this->aReplaceEnv)) {
$this->aReplaceEnv = null;
}
$sCipher = $this->Get('security', 'encrypt_cipher', '');
if (!$sCipher || !\SnappyMail\Crypt::cipherSupported($sCipher)) {
$sCipher && \SnappyMail\Log::warning('Crypt', "OpenSSL no support for cipher '{$sCipher}'");
$aCiphers = \SnappyMail\Crypt::listCiphers();
$sCipher2 = $aCiphers ? $aCiphers[\array_rand($aCiphers)] : '';
if ($sCipher !== $sCipher2) {
$this->Set('security', 'encrypt_cipher', $sCipher2);
$this->Save();
}
}
return $bResult;
}
/**
* @param mixed $mDefault = null
*
* @return mixed
*/
public function Get(string $sSection, string $sName, $mDefault = null)
{
$mResult = parent::Get($sSection, $sName, $mDefault);
if ($this->aReplaceEnv && \is_string($mResult)) {
$sKey = \strtolower($sSection.'.'.$sName);
if (\in_array($sKey, $this->aReplaceEnv) && false !== strpos($mResult, '$')) {
$mResult = \preg_replace_callback('/\$([^\s]+)/', function($aMatch) {
if (!empty($aMatch[0]) && !empty($aMatch[1])) {
if (!empty($_ENV[$aMatch[1]])) {
return $_ENV[$aMatch[1]];
}
if (!empty($_SERVER[$aMatch[1]])) {
return $_SERVER[$aMatch[1]];
}
return $aMatch[0];
}
return '';
}, $mResult);
}
}
return $mResult;
}
public function Set(string $sSectionKey, string $sParamKey, $mParamValue) : void
{
// Workarounds for the changed application structure
if ('labs' === $sSectionKey) {
if (\str_starts_with($sParamKey, 'imap_')) {
$sSectionKey = 'imap';
$sParamKey = \str_replace('imap_', '', $sParamKey);
}
if (\str_starts_with($sParamKey, 'use_app_debug_')) {
$sSectionKey = 'debug';
$sParamKey = \str_replace('use_app_debug_js', 'javascript', $sParamKey);
$sParamKey = \str_replace('use_app_debug_css', 'css', $sParamKey);
}
if ('cache_system_data' === $sParamKey) {
$sSectionKey = 'cache';
$sParamKey = 'system_data';
}
if ('force_https' === $sParamKey) {
$sSectionKey = 'security';
}
if ('check_new_messages' === $sParamKey) {
$sSectionKey = 'imap';
$sParamKey = 'fetch_new_messages';
}
}
parent::Set($sSectionKey, $sParamKey, $mParamValue);
}
public function SetPassword(string $sPassword) : void
{
$this->Set('security', 'admin_password', \password_hash($sPassword, PASSWORD_DEFAULT));
}
public function ValidatePassword(string $sPassword) : bool
{
$sConfigPassword = (string) $this->Get('security', 'admin_password', '');
if (32 == \strlen($sPassword) && \md5(APP_SALT.$sPassword.APP_SALT) === $sConfigPassword) {
$this->SetPassword($sPassword);
return true;
}
return \strlen($sPassword) && \password_verify($sPassword, $sConfigPassword);
}
public function Save() : bool
{
$this->Set('version', 'current', APP_VERSION);
$this->Set('version', 'saved', \gmdate('r'));
return parent::Save();
}
protected function defaultValues() : array
{
$value = \ini_get('upload_max_filesize');
$upload_max_filesize = \intval($value);
switch (\strtoupper(\substr($value, -1))) {
case 'G': $upload_max_filesize *= 1024;
case 'M': $upload_max_filesize *= 1024;
case 'K': $upload_max_filesize *= 1024;
}
$upload_max_filesize = $upload_max_filesize / 1024 / 1024;
return array(
'webmail' => array(
'title' => array('SnappyMail Webmail', 'Text displayed as page title'),
'loading_description' => array('SnappyMail', 'Text displayed on startup'),
'favicon_url' => array(''),
'app_path' => array(''),
'theme' => array('Default', 'Theme used by default'),
'allow_themes' => array(true, 'Allow theme selection on settings screen'),
'allow_user_background' => array(false),
'language' => array('en', 'Language used by default'),
'language_admin' => array('en', 'Admin Panel interface language'),
'allow_languages_on_settings' => array(true, 'Allow language selection on settings screen'),
'allow_additional_accounts' => array(true),
'allow_additional_identities' => array(true),
'messages_per_page' => array(20, 'Number of messages displayed on page by default'),
'message_read_delay' => array(5, 'Mark message read after N seconds'),
'attachment_size_limit' => array(\min($upload_max_filesize, 25), 'File size limit (MB) for file upload on compose screen
0 for unlimited.'),
'compress_output' => array(false, 'brotli or gzip compress the output.
Warning: only enable when server does not do this, else double compression errors occur')
),
'interface' => array(
'show_attachment_thumbnail' => array(true)
),
'contacts' => array(
'enable' => array(false, 'Enable contacts'),
'allow_sync' => array(false),
'sync_interval' => array(20),
'type' => array('sqlite'),
'pdo_dsn' => array('host=127.0.0.1;port=3306;dbname=snappymail'),
'pdo_user' => array('root'),
'pdo_password' => array(''),
'mysql_ssl_ca' => array('', 'PEM format certificate'),
'mysql_ssl_verify' => array(true),
'mysql_ssl_ciphers' => array('', 'HIGH'),
'suggestions_limit' => array(20)
),
'security' => array(
'custom_server_signature' => array('SnappyMail'),
'x_xss_protection_header' => array('1; mode=block'),
'openpgp' => array(false),
'allow_admin_panel' => array(true, 'Access settings'),
'admin_login' => array('admin', 'Login and password for web admin panel'),
'admin_password' => array(''),
'admin_totp' => array(''),
'admin_panel_host' => array(''),
'admin_panel_key' => array('admin'),
'force_https' => array(false),
'hide_x_mailer_header' => array(true),
'max_sys_getloadavg' => array(0.0, 'https://en.m.wikipedia.org/wiki/Load_(computing)'),
'content_security_policy' => array('', 'For example to allow all images use "img-src https:". More info at https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy#directives'),
'csp_report' => array(false, 'Report CSP errors to PHP and/or SnappyMail Log'),
'encrypt_cipher' => array('aes-256-cbc-hmac-sha1', 'A valid cipher method from https://php.net/openssl_get_cipher_methods'),
'cookie_samesite' => array('Strict', 'Strict, Lax or None'),
'secfetch_allow' => array('', 'Additional allowed Sec-Fetch combinations separated by ";".
For example:
* Allow iframe on same domain in any mode: dest=iframe,site=same-origin
* Allow navigate to iframe on same domain: mode=navigate,dest=iframe,site=same-origin
* Allow navigate to iframe on (sub)domain: mode=navigate,dest=iframe,site=same-site
* Allow navigate to iframe from any domain: mode=navigate,dest=iframe,site=cross-site
Default is "site=same-origin;site=none"')
),
'admin_panel' => array(
/*
'enabled' => array(true, 'Access settings'),
'login' => array('admin', 'Login and password for web admin panel'),
'password' => array(''),
'totp' => array(''),
'host' => array(''),
'key' => array('admin'),
*/
'allow_update' => array(false)
),
'ssl' => array(
'verify_certificate' => array(true, 'Require verification of SSL certificate used.'),
'allow_self_signed' => array(false, 'Allow self-signed certificates. Requires verify_certificate.'),
'security_level' => array(1, 'https://www.openssl.org/docs/man1.1.1/man3/SSL_CTX_set_security_level.html'),
'cafile' => array('', 'Location of Certificate Authority file on local filesystem (/etc/ssl/certs/ca-certificates.crt)'),
'capath' => array('', 'capath must be a correctly hashed certificate directory. (/etc/ssl/certs/)'),
'local_cert' => array('', 'Location of client certificate file (pem format with private key) on local filesystem'),
'disable_compression' => array(true, 'This can help mitigate the CRIME attack vector.')
),
'capa' => array(
'quota' => array(true),
'dangerous_actions' => array(true, 'Allow clear folder and delete messages without moving to trash'),
'attachments_actions' => array(true, 'Allow download attachments as Zip (and optionally others)')
),
'login' => array(
'default_domain' => array('',
'If someone logs in without "@domain.tld", this value will be used
When this value is HTTP_HOST, the $_SERVER["HTTP_HOST"] value is used.
When this value is SERVER_NAME, the $_SERVER["SERVER_NAME"] value is used.
When this value is gethostname, the gethostname() value is used.
'),
'allow_languages_on_login' => array(true,
'Allow language selection on webmail login screen'),
'determine_user_language' => array(true, 'Detect language from browser header `Accept-Language`'),
'determine_user_domain' => array(false, 'Like default_domain but then HTTP_HOST/SERVER_NAME without www.'),
'login_lowercase' => array(true),
'sign_me_auto' => array(\RainLoop\Enumerations\SignMeType::DEFAULT_OFF,
'This option allows webmail to remember the logged in user
once they closed the browser window.
Values:
"DefaultOff" - can be used, disabled by default;
"DefaultOn" - can be used, enabled by default;
"Unused" - cannot be used')
),
'plugins' => array(
'enable' => array(false, 'Enable plugin support'),
'enabled_list' => array('', 'Comma-separated list of enabled plugins'),
),
'defaults' => array(
'view_editor_type' => array('Html', 'Editor mode used by default (Plain, Html)'),
'view_layout' => array(1, 'layout: 0 - no preview, 1 - side preview, 2 - bottom preview'),
'view_use_checkboxes' => array(true),
'autologout' => array(30),
'view_html' => array(true),
'show_images' => array(false),
'contacts_autosave' => array(true),
'mail_use_threads' => array(false),
'allow_draft_autosave' => array(true),
'mail_reply_same_folder' => array(false),
'msg_default_action' => array(1, '1 - reply, 2 - reply all'),
),
'logs' => array(
'enable' => array(false, 'Enable logging'),
'path' => array('', 'Path where log files will be stored'),
'level' => array(4, 'Log messages of set RFC 5424 section 6.2.1 Severity level and higher (0 = highest, 7 = lowest).
0 = Emergency
1 = Alert
2 = Critical
3 = Error
4 = Warning
5 = Notice
6 = Informational
7 = Debug'),
'hide_passwords' => array(true, 'Required for development purposes only.
Disabling this option is not recommended.'),
'time_zone' => array('UTC'),
'filename' => array('log-{date:Y-m-d}.txt',
'Log filename.
For security reasons, some characters are removed from filename.
Allows for pattern-based folder creation (see examples below).
Patterns:
{date:Y-m-d} - Replaced by pattern-based date
Detailed info: http://www.php.net/manual/en/function.date.php
{user:email} - Replaced by user\'s email address
If user is not logged in, value is set to "unknown"
{user:login} - Replaced by user\'s login (the user part of an email)
If user is not logged in, value is set to "unknown"
{user:domain} - Replaced by user\'s domain name (the domain part of an email)
If user is not logged in, value is set to "unknown"
{user:uid} - Replaced by user\'s UID regardless of account currently used
{user:ip}
{request:ip} - Replaced by user\'s IP address
Others:
{imap:login} {imap:host} {imap:port}
{smtp:login} {smtp:host} {smtp:port}
Examples:
filename = "log-{date:Y-m-d}.txt"
filename = "{date:Y-m-d}/{user:domain}/{user:email}_{user:uid}.log"
filename = "{user:email}-{date:Y-m-d}.txt"
filename = "syslog"
filename = "stderr"'),
'auth_logging' => array(false, 'Enable auth logging in a separate file (for fail2ban)'),
'auth_logging_filename' => array('fail2ban/auth-{date:Y-m-d}.txt'),
'auth_logging_format' => array('[{date:Y-m-d H:i:s}] Auth failed: ip={request:ip} user={imap:login} host={imap:host} port={imap:port}'),
'auth_syslog' => array(false, 'Enable auth logging to syslog for fail2ban')
),
'debug' => array(
'enable' => array(false, 'Special option required for development purposes'),
// use_app_debug_js
'javascript' => array(false),
// use_app_debug_css
'css' => array(false)
),
'cache' => array(
'enable' => array(true,
'The section controls caching of the entire application.
Enables caching in the system'),
'path' => array('', 'Path where cache files will be stored'),
'index' => array('v1', 'Additional caching key. If changed, cache is purged'),
'fast_cache_driver' => array('files', 'Can be: files, APCU, memcache, redis (beta)'),
'fast_cache_index' => array('v1', 'Additional caching key. If changed, fast cache is purged'),
'http' => array(true, 'Browser-level cache. If enabled, caching is maintainted without using files'),
'http_expires' => array(3600, 'Browser-level cache time (seconds, Expires header)'),
'server_uids' => array(true, 'Caching message UIDs when searching and sorting (threading)'),
'system_data' => array(true)
),
'imap' => array(
'use_force_selection' => array(false),
'use_expunge_all_on_delete' => array(false),
'message_list_fast_simple_search' => array(true),
'message_list_permanent_filter' => array(''),
'message_all_headers' => array(false),
'show_login_alert' => array(true),
'fetch_new_messages' => array(true),
),
'labs' => array(
'date_from_headers' => array(true, 'Display message RFC 2822 date and time header, instead of the arrival internal date.'),
'allow_message_append' => array(false),
'login_fault_delay' => array(5, 'When login fails, wait N seconds before responding'),
'log_ajax_response_write_limit' => array(300),
'smtp_show_server_errors' => array(false),
'sieve_auth_plain_initial' => array(true),
'sieve_allow_fileinto_inbox' => array(false),
'mail_func_clear_headers' => array(true, 'PHP mail() remove To and Subject headers'),
'mail_func_additional_parameters' => array(false, 'PHP mail() set -f emailaddress'),
'folders_spec_limit' => array(50),
'curl_proxy' => array(''),
'curl_proxy_auth' => array(''),
'custom_login_link' => array(''),
'custom_logout_link' => array(''),
'http_client_ip_check_proxy' => array(false),
'fast_cache_memcache_host' => array('127.0.0.1'),
'fast_cache_memcache_port' => array(11211),
'fast_cache_redis_host' => array('127.0.0.1'),
'fast_cache_redis_port' => array(6379),
'use_local_proxy_for_external_images' => array(true),
'image_exif_auto_rotate' => array(false),
'cookie_default_path' => array(''),
'cookie_default_secure' => array(false),
'replace_env_in_configuration' => array(''),
'boundary_prefix' => array(''),
'dev_email' => array(''),
'dev_password' => array('')
),
'version' => array(
'current' => array(''),
'saved' => array('')
)
);
}
}