@cyanheads/jinaai-mcp-server
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A Model Context Protocol (MCP) server that provides intelligent web reading capabilities using the Jina AI Reader API. It extracts clean, LLM-ready content from any URL.
42 lines • 2.02 kB
JavaScript
/**
* @fileoverview Factory for creating an authentication strategy based on configuration.
* This module centralizes the logic for selecting and instantiating the correct
* authentication strategy, promoting loose coupling and easy extensibility.
* @module src/mcp-server/transports/auth/authFactory
*/
import { config } from "../../../config/index.js";
import { logger, requestContextService } from "../../../utils/index.js";
import { JwtStrategy } from "./strategies/jwtStrategy.js";
import { OauthStrategy } from "./strategies/oauthStrategy.js";
/**
* Creates and returns an authentication strategy instance based on the
* application's configuration (`config.mcpAuthMode`).
*
* @returns An instance of a class that implements the `AuthStrategy` interface,
* or `null` if authentication is disabled (`none`).
* @throws {Error} If the auth mode is unknown or misconfigured.
*/
export function createAuthStrategy() {
const context = requestContextService.createRequestContext({
operation: "createAuthStrategy",
authMode: config.mcpAuthMode,
});
logger.info("Creating authentication strategy...", context);
switch (config.mcpAuthMode) {
case "jwt":
logger.debug("Instantiating JWT authentication strategy.", context);
return new JwtStrategy();
case "oauth":
logger.debug("Instantiating OAuth authentication strategy.", context);
return new OauthStrategy();
case "none":
logger.info("Authentication is disabled ('none' mode).", context);
return null; // No authentication
default:
// This ensures that if a new auth mode is added to the config type
// but not to this factory, we get a compile-time or runtime error.
logger.error(`Unknown authentication mode: ${config.mcpAuthMode}`, context);
throw new Error(`Unknown authentication mode: ${config.mcpAuthMode}`);
}
}
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