Fix file parser failing if multiple configuration values are present on same line; closes #2604

This commit is contained in:
Dane Everitt 2020-11-01 12:25:02 -08:00
parent 8c8feffcb7
commit 61f501abc9
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GPG key ID: EEA66103B3D71F53

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@ -5,18 +5,10 @@ namespace Pterodactyl\Services\Eggs;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Pterodactyl\Models\Server;
use Pterodactyl\Contracts\Repository\EggRepositoryInterface;
use Pterodactyl\Services\Servers\ServerConfigurationStructureService;
class EggConfigurationService
{
private const NOT_MATCHED = '__no_match';
/**
* @var \Pterodactyl\Contracts\Repository\EggRepositoryInterface
*/
private $repository;
/**
* @var \Pterodactyl\Services\Servers\ServerConfigurationStructureService
*/
@ -25,14 +17,10 @@ class EggConfigurationService
/**
* EggConfigurationService constructor.
*
* @param \Pterodactyl\Contracts\Repository\EggRepositoryInterface $repository
* @param \Pterodactyl\Services\Servers\ServerConfigurationStructureService $configurationStructureService
*/
public function __construct(
EggRepositoryInterface $repository,
ServerConfigurationStructureService $configurationStructureService
) {
$this->repository = $repository;
public function __construct(ServerConfigurationStructureService $configurationStructureService)
{
$this->configurationStructureService = $configurationStructureService;
}
@ -41,8 +29,6 @@ class EggConfigurationService
*
* @param \Pterodactyl\Models\Server $server
* @return array
*
* @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
*/
public function handle(Server $server): array
{
@ -111,8 +97,6 @@ class EggConfigurationService
* @param \Pterodactyl\Models\Server $server
* @param object $configs
* @return array
*
* @throws \Pterodactyl\Exceptions\Repository\RecordNotFoundException
*/
protected function replacePlaceholders(Server $server, object $configs)
{
@ -130,6 +114,7 @@ class EggConfigurationService
foreach ($configs as $file => $data) {
$append = ['file' => $file, 'replace' => []];
/** @noinspection PhpParameterByRefIsNotUsedAsReferenceInspection */
// I like to think I understand PHP pretty well, but if you don't pass $value
// by reference here, you'll end up with a resursive array loop if the config
// file has two replacements that reference the same item in the configuration
@ -167,71 +152,93 @@ class EggConfigurationService
}
/**
* Replaces the legacy modifies from eggs with their new counterpart. The legacy Daemon would
* set SERVER_MEMORY, SERVER_IP, and SERVER_PORT with their respective values on the Daemon
* side. Ensure that anything referencing those properly replaces them with the matching config
* value.
*
* @param string $key
* @param string $value
* @param array $structure
* @return string|null
* @return string
*/
protected function matchAndReplaceKeys(string $value, array $structure): ?string
protected function replaceLegacyModifiers(string $key, string $value): string
{
preg_match('/{{(?<key>.*)}}/', $value, $matches);
if (! $key = $matches['key'] ?? null) {
return self::NOT_MATCHED;
}
// Matched something in {{server.X}} format, now replace that with the actual
// value from the server properties.
//
// The Daemon supports server.X, env.X, and config.X placeholders.
if (! Str::startsWith($key, ['server.', 'env.', 'config.'])) {
return self::NOT_MATCHED;
}
// The legacy Daemon would set SERVER_MEMORY, SERVER_IP, and SERVER_PORT with their
// respective values on the Daemon side. Ensure that anything referencing those properly
// replaces them with the matching config value.
switch ($key) {
case 'config.docker.interface':
$key = 'config.docker.network.interface';
$replace = 'config.docker.network.interface';
break;
case 'server.build.env.SERVER_MEMORY':
case 'env.SERVER_MEMORY':
$key = 'server.build.memory';
$replace = 'server.build.memory';
break;
case 'server.build.env.SERVER_IP':
case 'env.SERVER_IP':
$key = 'server.build.default.ip';
$replace = 'server.build.default.ip';
break;
case 'server.build.env.SERVER_PORT':
case 'env.SERVER_PORT':
$key = 'server.build.default.port';
$replace = 'server.build.default.port';
break;
// By default we don't need to change anything, only if we ended up matching a specific legacy item.
default:
$replace = $key;
}
// We don't want to do anything with config keys since the Daemon will need to handle
// that. For example, the Spigot egg uses "config.docker.interface" to identify the Docker
// interface to proxy through, but the Panel would be unaware of that.
if (Str::startsWith($key, 'config.')) {
return preg_replace('/{{(.*)}}/', "{{{$key}}}", $value);
}
return str_replace("{{{$key}}}", "{{{$replace}}}", $value);
}
// Replace anything starting with "server." with the value out of the server configuration
// array that used to be created for the old daemon.
if (Str::startsWith($key, 'server.')) {
/**
* @param mixed $value
* @param array $structure
* @return mixed|null
*/
protected function matchAndReplaceKeys($value, array $structure)
{
preg_match_all('/{{(?<key>[\w.-]*)}}/', $value, $matches);
foreach ($matches['key'] as $key) {
// Matched something in {{server.X}} format, now replace that with the actual
// value from the server properties.
//
// The Daemon supports server.X, env.X, and config.X placeholders.
if (! Str::startsWith($key, ['server.', 'env.', 'config.'])) {
continue;
}
// Don't do a replacement on anything that is not a string, we don't want to unintentionally
// modify the resulting output.
if (! is_string($value)) {
continue;
}
$value = $this->replaceLegacyModifiers($key, $value);
// We don't want to do anything with config keys since the Daemon will need to handle
// that. For example, the Spigot egg uses "config.docker.interface" to identify the Docker
// interface to proxy through, but the Panel would be unaware of that.
if (Str::startsWith($key, 'config.')) {
continue;
}
// Replace anything starting with "server." with the value out of the server configuration
// array that used to be created for the old daemon.
if (Str::startsWith($key, 'server.')) {
$plucked = Arr::get($structure, preg_replace('/^server\./', '', $key), '');
$value = str_replace("{{{$key}}}", $plucked, $value);
continue;
}
// Finally, replace anything starting with env. with the expected environment
// variable from the server configuration.
$plucked = Arr::get(
$structure, preg_replace('/^server\./', '', $key), ''
$structure, preg_replace('/^env\./', 'build.env.', $key), ''
);
return preg_replace('/{{(.*)}}/', $plucked, $value);
$value = str_replace("{{{$key}}}", $plucked, $value);
}
// Finally, replace anything starting with env. with the expected environment
// variable from the server configuration.
$plucked = Arr::get(
$structure, preg_replace('/^env\./', 'build.env.', $key), ''
);
return preg_replace('/{{(.*)}}/', $plucked, $value);
return $value;
}
/**
@ -255,12 +262,7 @@ class EggConfigurationService
continue;
}
$response = $this->matchAndReplaceKeys($value, $structure);
if ($response === self::NOT_MATCHED) {
continue;
}
$value = $response;
$value = $this->matchAndReplaceKeys($value, $structure);
}
}
}