mcp-openweathermap
Version:
MCP server for OpenWeatherMap API integration
35 lines • 1.31 kB
JavaScript
/**
* HTTP Stream authenticator for FastMCP
* Validates the OpenWeatherMap API key from the Authorization Bearer token
*/
export async function httpStreamAuthenticator(request) {
const headers = request.headers;
// Get authorization header
const authHeaderValue = headers.authorization || headers.Authorization;
const authHeader = Array.isArray(authHeaderValue) ? authHeaderValue[0] : authHeaderValue;
if (!authHeader) {
throw new Error("Authorization header required. Use Bearer token with your OpenWeatherMap API key.");
}
// Parse Bearer token
const [authType, apiKey] = authHeader.split(" ");
if (authType.toLowerCase() !== "bearer") {
throw new Error("Only Bearer token authentication is supported");
}
if (!apiKey) {
throw new Error("Invalid authorization header format");
}
const openWeatherApiKey = apiKey;
if (!openWeatherApiKey) {
throw new Error("OpenWeatherMap API key is required");
}
// Validate API key format (basic validation)
if (openWeatherApiKey.length < 32) {
throw new Error("Invalid OpenWeatherMap API key format");
}
// Return session data
return {
apiKey: openWeatherApiKey,
authenticatedAt: new Date(),
};
}
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