export function extractCredentialsFromCookie()

in app/lib/server/auth.ts [21:97]
51 lines of code
9 McCabe index (conditional complexity)

export function extractCredentialsFromCookie(
  cookieHeader: string | null
): ApiCredentials {
  if (!cookieHeader) {
    return {};
  }

  try {
    // Parse cookies
    const cookies = parseCookies(cookieHeader);

    // Get the encoded cookie name
    const encodedCookieName = encodeURIComponent(serverConfig.COOKIE_NAME);
    const authCookie = cookies[encodedCookieName];

    if (!authCookie) {
      return {};
    }

    // console.log("Auth cookie found. Attempting to decode...");

    // Decode the URL encoded cookie value first
    const decodedCookie = decodeURIComponent(authCookie);

    // Then decode the base64 and parse the JSON
    const cookieData = JSON.parse(
      Buffer.from(decodedCookie, "base64").toString()
    );

    const credentials: ApiCredentials = {};

    if (cookieData.enc) {
      // Decode the credentials inside the cookie
      const creds = JSON.parse(
        Buffer.from(cookieData.enc, "base64").toString()
      );

      credentials.huggingfaceToken = creds.hf;
      credentials.githubToken = creds.gh;
      // OpenAI is no longer stored in cookies
    }

    // Extract user info if available
    if (cookieData.hfUserInfo) {
      try {
        const userInfo = JSON.parse(
          Buffer.from(cookieData.hfUserInfo, "base64").toString()
        );
        credentials.hfUserInfo = userInfo;
        // console.log(
        //   "Successfully extracted HF user info from cookie:",
        //   userInfo.username
        // );
      } catch (err) {
        console.error("Error parsing HF user info:", err);
      }
    }

    // Extract GitHub user info if available
    if (cookieData.githubUserInfo) {
      try {
        const githubUserInfo = JSON.parse(
          Buffer.from(cookieData.githubUserInfo, "base64").toString()
        );
        credentials.githubUserInfo = githubUserInfo;
      } catch (err) {
        console.error("Error parsing GitHub user info:", err);
      }
    }

    // console.log("Successfully extracted API credentials from cookie");
    return credentials;
  } catch (error) {
    console.error("Failed to parse auth cookie:", error);
    return {};
  }
}