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fix: case-insensitive config from env, fix #2935 (#2973)

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* refactor

* fix: case-sensitive config from env, fix #2935

* lowercase all config section and keys

* test: add test for case-insensitivity
This commit is contained in:
Dag 2022-08-23 21:19:53 +02:00 • committed by GitHub
parent edbafc6144
commit 5165ea265d
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 78 additions and 161 deletions
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2
lib/BridgeCard.php
View file

@ -50,7 +50,7 @@ final class BridgeCard
];
}
if (CUSTOM_CACHE_TIMEOUT) {
if (Configuration::getConfig('cache', 'custom_timeout')) {
$parameters['global']['_cache_timeout'] = [
'name' => 'Cache timeout in seconds',
'type' => 'number',

180
lib/Configuration.php
View file

@ -19,27 +19,9 @@
*/
final class Configuration
{
/**
* Holds the current release version of RSS-Bridge.
*
* Do not access this property directly!
* Use {@see Configuration::getVersion()} instead.
*
* @var string
*
* @todo Replace this property by a constant.
*/
public static $VERSION = 'dev.2022-06-14';
private const VERSION = 'dev.2022-06-14';
/**
* Holds the configuration data.
*
* Do not access this property directly!
* Use {@see Configuration::getConfig()} instead.
*
* @var array|null
*/
private static $config = null;
private static array $config = [];
private function __construct()
{
@ -56,7 +38,7 @@ final class Configuration
public static function verifyInstallation()
{
if (version_compare(\PHP_VERSION, '7.4.0') === -1) {
self::reportError('RSS-Bridge requires at least PHP version 7.4.0!');
throw new \Exception('RSS-Bridge requires at least PHP version 7.4.0!');
}
$errors = [];
@ -97,158 +79,114 @@ final class Configuration
}
}
/**
* Loads the configuration from disk and checks if the parameters are valid.
*
* Returns an error message and aborts execution if the configuration is invalid.
*
* The RSS-Bridge configuration is split into two files:
* - {@see FILE_CONFIG_DEFAULT} The default configuration file that ships
* with every release of RSS-Bridge (do not modify this file!).
* - {@see FILE_CONFIG} The local configuration file that can be modified
* by server administrators.
*
* RSS-Bridge will first load {@see FILE_CONFIG_DEFAULT} into memory and then
* replace parameters with the contents of {@see FILE_CONFIG}. That way new
* parameters are automatically initialized with default values and custom
* configurations can be reduced to the minimum set of parametes necessary
* (only the ones that changed).
*
* The configuration files must be placed in the root folder of RSS-Bridge
* (next to `index.php`).
*
* _Notice_: The configuration is stored in {@see Configuration::$config}.
*
* @return void
*/
public static function loadConfiguration()
public static function loadConfiguration(array $customConfig = [], array $env = [])
{
if (!file_exists(FILE_CONFIG_DEFAULT)) {
self::reportError('The default configuration file is missing at ' . FILE_CONFIG_DEFAULT);
if (!file_exists(__DIR__ . '/../config.default.ini.php')) {
throw new \Exception('The default configuration file is missing');
}
$config = parse_ini_file(FILE_CONFIG_DEFAULT, true, INI_SCANNER_TYPED);
$config = parse_ini_file(__DIR__ . '/../config.default.ini.php', true, INI_SCANNER_TYPED);
if (!$config) {
self::reportError('Error parsing ' . FILE_CONFIG_DEFAULT);
throw new \Exception('Error parsing config');
}
if (file_exists(FILE_CONFIG)) {
// Replace default configuration with custom settings
foreach (parse_ini_file(FILE_CONFIG, true, INI_SCANNER_TYPED) as $header => $section) {
foreach ($section as $key => $value) {
$config[$header][$key] = $value;
}
foreach ($config as $header => $section) {
foreach ($section as $key => $value) {
self::setConfig($header, $key, $value);
}
}
foreach (getenv() as $envName => $envValue) {
// Replace all settings with their respective environment variable if available
$keyArray = explode('_', $envName);
if ($keyArray[0] === 'RSSBRIDGE') {
$header = strtolower($keyArray[1]);
$key = strtolower($keyArray[2]);
foreach ($customConfig as $header => $section) {
foreach ($section as $key => $value) {
self::setConfig($header, $key, $value);
}
}
foreach ($env as $envName => $envValue) {
$nameParts = explode('_', $envName);
if ($nameParts[0] === 'RSSBRIDGE') {
$header = $nameParts[1];
$key = $nameParts[2];
if ($envValue === 'true' || $envValue === 'false') {
$envValue = filter_var($envValue, FILTER_VALIDATE_BOOLEAN);
}
$config[$header][$key] = $envValue;
self::setConfig($header, $key, $envValue);
}
}
self::$config = $config;
if (
!is_string(self::getConfig('system', 'timezone'))
|| !in_array(self::getConfig('system', 'timezone'), timezone_identifiers_list(DateTimeZone::ALL_WITH_BC))
) {
self::reportConfigurationError('system', 'timezone');
self::throwConfigError('system', 'timezone');
}
if (!is_string(self::getConfig('proxy', 'url'))) {
self::reportConfigurationError('proxy', 'url', 'Is not a valid string');
self::throwConfigError('proxy', 'url', 'Is not a valid string');
}
if (!is_bool(self::getConfig('proxy', 'by_bridge'))) {
self::reportConfigurationError('proxy', 'by_bridge', 'Is not a valid Boolean');
self::throwConfigError('proxy', 'by_bridge', 'Is not a valid Boolean');
}
if (!is_string(self::getConfig('proxy', 'name'))) {
/** Name of the proxy server */
self::reportConfigurationError('proxy', 'name', 'Is not a valid string');
self::throwConfigError('proxy', 'name', 'Is not a valid string');
}
if (!is_string(self::getConfig('cache', 'type'))) {
self::reportConfigurationError('cache', 'type', 'Is not a valid string');
self::throwConfigError('cache', 'type', 'Is not a valid string');
}
if (!is_bool(self::getConfig('cache', 'custom_timeout'))) {
self::reportConfigurationError('cache', 'custom_timeout', 'Is not a valid Boolean');
self::throwConfigError('cache', 'custom_timeout', 'Is not a valid Boolean');
}
if (!is_bool(self::getConfig('authentication', 'enable'))) {
self::reportConfigurationError('authentication', 'enable', 'Is not a valid Boolean');
self::throwConfigError('authentication', 'enable', 'Is not a valid Boolean');
}
if (!self::getConfig('authentication', 'username')) {
self::reportConfigurationError('authentication', 'username', 'Is not a valid string');
self::throwConfigError('authentication', 'username', 'Is not a valid string');
}
if (! self::getConfig('authentication', 'password')) {
self::reportConfigurationError('authentication', 'password', 'Is not a valid string');
self::throwConfigError('authentication', 'password', 'Is not a valid string');
}
if (
!empty(self::getConfig('admin', 'email'))
&& !filter_var(self::getConfig('admin', 'email'), FILTER_VALIDATE_EMAIL)
) {
self::reportConfigurationError('admin', 'email', 'Is not a valid email address');
self::throwConfigError('admin', 'email', 'Is not a valid email address');
}
if (!is_bool(self::getConfig('admin', 'donations'))) {
self::reportConfigurationError('admin', 'donations', 'Is not a valid Boolean');
self::throwConfigError('admin', 'donations', 'Is not a valid Boolean');
}
if (!is_string(self::getConfig('error', 'output'))) {
self::reportConfigurationError('error', 'output', 'Is not a valid String');
self::throwConfigError('error', 'output', 'Is not a valid String');
}
if (
!is_numeric(self::getConfig('error', 'report_limit'))
|| self::getConfig('error', 'report_limit') < 1
) {
self::reportConfigurationError('admin', 'report_limit', 'Value is invalid');
self::throwConfigError('admin', 'report_limit', 'Value is invalid');
}
}
/**
* Returns the value of a parameter identified by section and key.
*
* @param string $section The section name.
* @param string $key The property name (key).
* @return mixed|null The parameter value.
*/
public static function getConfig($section, $key)
public static function getConfig(string $section, string $key)
{
if (array_key_exists($section, self::$config) && array_key_exists($key, self::$config[$section])) {
return self::$config[$section][$key];
}
return null;
return self::$config[strtolower($section)][strtolower($key)] ?? null;
}
private static function setConfig(string $section, string $key, $value): void
{
self::$config[strtolower($section)][strtolower($key)] = $value;
}
/**
* Returns the current version string of RSS-Bridge.
*
* This function returns the contents of {@see Configuration::$VERSION} for
* regular installations and the git branch name and commit id for instances
* running in a git environment.
*
* @return string The version string.
*/
public static function getVersion()
{
$headFile = __DIR__ . '/../.git/HEAD';
// '@' is used to mute open_basedir warning
if (@is_readable($headFile)) {
$revisionHashFile = '.git/' . substr(file_get_contents($headFile), 5, -1);
$parts = explode('/', $revisionHashFile);
@ -260,39 +198,11 @@ final class Configuration
}
}
}
return Configuration::$VERSION;
return self::VERSION;
}
/**
* Reports an configuration error for the specified section and key to the
* user and ends execution
*
* @param string $section The section name
* @param string $key The configuration key
* @param string $message An optional message to the user
*
* @return void
*/
private static function reportConfigurationError($section, $key, $message = '')
private static function throwConfigError($section, $key, $message = '')
{
$report = "Parameter [{$section}] => \"{$key}\" is invalid!" . PHP_EOL;
if (file_exists(FILE_CONFIG)) {
$report .= 'Please check your configuration file at ' . FILE_CONFIG . PHP_EOL;
} elseif (!file_exists(FILE_CONFIG_DEFAULT)) {
$report .= 'The default configuration file is missing at ' . FILE_CONFIG_DEFAULT . PHP_EOL;
} else {
$report .= 'The default configuration file is broken.' . PHP_EOL
. 'Restore the original file from ' . REPOSITORY . PHP_EOL;
}
$report .= $message;
self::reportError($report);
}
private static function reportError($message)
{
throw new \Exception(sprintf('Configuration error: %s', $message));
throw new \Exception("Config [$section] => [$key] is invalid. $message");
}
}

3
lib/FeedItem.php
View file

@ -314,8 +314,7 @@ class FeedItem
*
* Use {@see FeedItem::getContent()} to get the current item content.
*
* @param string|object $content The item content as text or simple_html_dom
* object.
* @param string|object $content The item content as text or simple_html_dom object.
* @return self
*/
public function setContent($content)

9
lib/RssBridge.php
View file

@ -33,12 +33,15 @@ final class RssBridge
private function run($request): void
{
Configuration::verifyInstallation();
Configuration::loadConfiguration();
$customConfig = [];
if (file_exists(__DIR__ . '/../config.ini.php')) {
$customConfig = parse_ini_file(__DIR__ . '/../config.ini.php', true, INI_SCANNER_TYPED);
}
Configuration::loadConfiguration($customConfig, getenv());
date_default_timezone_set(Configuration::getConfig('system', 'timezone'));
define('CUSTOM_CACHE_TIMEOUT', Configuration::getConfig('cache', 'custom_timeout'));
$authenticationMiddleware = new AuthenticationMiddleware();
if (Configuration::getConfig('authentication', 'enable')) {
$authenticationMiddleware();

6
lib/rssbridge.php
View file

@ -36,12 +36,6 @@ const WHITELIST = __DIR__ . '/../whitelist.txt';
/** Path to the default whitelist file */
const WHITELIST_DEFAULT = __DIR__ . '/../whitelist.default.txt';
/** Path to the configuration file */
const FILE_CONFIG = __DIR__ . '/../config.ini.php';
/** Path to the default configuration file */
const FILE_CONFIG_DEFAULT = __DIR__ . '/../config.default.ini.php';
/** URL to the RSS-Bridge repository */
const REPOSITORY = 'https://github.com/RSS-Bridge/rss-bridge/';