import axios, { AxiosInstance, AxiosError, Method } from "axios";
import { McpError, ErrorCode } from "@modelcontextprotocol/sdk/types.js";
import { GriphookConfig } from "./config.js";
import { OAuthClient } from "./auth.js";
import { getRequestAccessToken } from "./requestContext.js";
export type HttpMethod = "get" | "post" | "put" | "patch" | "delete";
export class GriphookClient {
private http: AxiosInstance;
private oauth: OAuthClient;
constructor(config: GriphookConfig) {
this.oauth = new OAuthClient();
this.http = axios.create({
baseURL: config.apiBaseUrl,
timeout: config.timeoutMs,
});
}
async request<T = unknown>(method: HttpMethod, path: string, options?: {
params?: Record<string, unknown>;
data?: unknown;
headers?: Record<string, string>;
}): Promise<T> {
const url = path.startsWith("/") ? path : `/${path}`;
const headers: Record<string, string> = { ...(options?.headers ?? {}) };
// In hosted mode, use the request-scoped access token from the middleware.
// Fall back to local OAuth credentials for CLI/stdio mode.
const requestToken = getRequestAccessToken();
const token = requestToken ?? await this.oauth.getAccessToken();
headers["x-user-access-token"] = token;
headers["authorization"] = `Bearer ${token}`;
try {
const response = await this.http.request<T>({
method: method as Method,
url,
params: options?.params,
data: options?.data,
headers,
});
return response.data;
} catch (err) {
throw new McpError(ErrorCode.InternalError, this.formatAxiosError(err));
}
}
/**
* Get the authenticated username from the OAuth token
*/
async getUsername(): Promise<string> {
return this.oauth.getUsername();
}
private formatAxiosError(err: unknown): string {
if (axios.isAxiosError(err)) {
const axiosErr = err as AxiosError<{ error?: string; message?: string }>;
const status = axiosErr.response?.status;
const detail = axiosErr.response?.data?.error || axiosErr.response?.data?.message;
return `HTTP ${status ?? "request failed"}: ${detail || axiosErr.message}`;
}
return err instanceof Error ? err.message : "Unknown error";
}
}
