Jason Thistlethwaite
22c8e915e9
Clean control and invisible junk from tool result text fields to reduce token waste while preserving readable Unicode. Add an MCP_TEXT_SANITIZATION toggle and regression tests for enabled and disabled behavior.
83 lines
2.5 KiB
PHP
83 lines
2.5 KiB
PHP
<?php
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declare(strict_types=1);
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namespace RedMCP;
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use RuntimeException;
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final class McpEnvironment
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{
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/**
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* @return array{redmine_url:string,redmine_api_key:string,mcp_server_token:?string,mcp_debug_log:?string,mcp_text_sanitization:bool}
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*/
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public static function load(string $envFile): array
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{
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$env = self::loadFile($envFile);
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$apiKey = getenv('REDMINE_API_KEY') ?: getenv('REDMNINE_API_KEY') ?: ($env['REDMINE_API_KEY'] ?? $env['REDMNINE_API_KEY'] ?? null);
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if (!is_string($apiKey) || trim($apiKey) === '') {
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throw new RuntimeException('REDMINE_API_KEY is required in the environment or redMCP/.env');
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}
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return [
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'redmine_url' => rtrim((string) (getenv('REDMINE_URL') ?: ($env['REDMINE_URL'] ?? 'http://192.168.50.170')), '/'),
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'redmine_api_key' => $apiKey,
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'mcp_server_token' => self::optionalString(getenv('MCP_SERVER_TOKEN') ?: ($env['MCP_SERVER_TOKEN'] ?? null)),
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'mcp_debug_log' => self::optionalString(getenv('MCP_DEBUG_LOG') ?: ($env['MCP_DEBUG_LOG'] ?? null)),
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'mcp_text_sanitization' => self::boolSetting(getenv('MCP_TEXT_SANITIZATION') ?: ($env['MCP_TEXT_SANITIZATION'] ?? null), true),
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];
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}
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/**
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* @return array<string,string>
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*/
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private static function loadFile(string $path): array
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{
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if (!is_file($path)) {
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return [];
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}
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$values = [];
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foreach (file($path, FILE_IGNORE_NEW_LINES) ?: [] as $line) {
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$line = trim($line);
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if ($line === '' || str_starts_with($line, '#') || !str_contains($line, '=')) {
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continue;
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}
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[$key, $value] = explode('=', $line, 2);
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$values[trim($key)] = trim(trim($value), "\"'");
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}
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return $values;
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}
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private static function optionalString(mixed $value): ?string
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{
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if (!is_string($value) || trim($value) === '') {
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return null;
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}
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return $value;
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}
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private static function boolSetting(mixed $value, bool $default): bool
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{
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if (!is_string($value)) {
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return $default;
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}
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$normalized = strtolower(trim($value));
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if ($normalized === '') {
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return $default;
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}
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if (in_array($normalized, ['1', 'true', 'yes', 'on'], true)) {
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return true;
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}
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if (in_array($normalized, ['0', 'false', 'no', 'off'], true)) {
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return false;
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}
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return $default;
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}
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}
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