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6. Making requests from Server Components

Lets modify the Home page we made in a previous step to make a call to this API

app/components/home.tsx
import { getSSRSession } from "supertokens-node/nextjs";
import { SessionContainer } from "supertokens-node/recipe/session";
import { cookies, headers } from "next/headers";
import { redirect } from "next/navigation";
import { TryRefreshComponent } from "./tryRefreshClientComponent";
import { SessionAuthForNextJS } from "./sessionAuthForNextJS";
import { ensureSuperTokensInit } from "../config/backend";

ensureSuperTokensInit();

async function getSSRSessionHelper(): Promise<{ session: SessionContainer | undefined; hasToken: boolean; hasInvalidClaims: boolean, error: Error | undefined }> {
let session: SessionContainer | undefined;
let hasToken = false;
let hasInvalidClaims = false;
let error: Error | undefined = undefined;

try {
({ session, hasToken, hasInvalidClaims } = await getSSRSession(cookies().getAll(), headers()));
} catch (err: any) {
error = err;
}
return { session, hasToken, hasInvalidClaims, error };
}

export async function HomePage() {
const { session, hasToken, hasInvalidClaims, error } = await getSSRSessionHelper();

if (error) {
return (
<div>
Something went wrong while trying to get the session. Error - {error.message}
</div>
)
}

if (!session) {
if (!hasToken) {
return redirect("/auth");
}

if (hasInvalidClaims) {
return <SessionAuthForNextJS />;
} else {
// To learn about why the 'key' attribute is required refer to: https://github.com/supertokens/supertokens-node/issues/826#issuecomment-2092144048
return <TryRefreshComponent key={Date.now()} />;
}
}

const userInfoResponse = await fetch('http://localhost:3000/api/user', {
headers: {
/**
* We read the access token from the session and use that as a Bearer token when
* making network requests.
*/
Authorization: 'Bearer ' + session.getAccessToken(),
},
});

let message = "";

if (userInfoResponse.status === 200) {
message = `Your user id is: ${session.getUserId()}`
} else if (userInfoResponse.status === 500) {
message = "Something went wrong"
} else if (userInfoResponse.status === 401) {
// The TryRefreshComponent will try to refresh the session
// To learn about why the 'key' attribute is required refer to: https://github.com/supertokens/supertokens-node/issues/826#issuecomment-2092144048
return <TryRefreshComponent key={Date.now()} />
} else if (userInfoResponse.status === 403) {
// SessionAuthForNextJS will redirect based on which claim is invalid
return <SessionAuthForNextJS />;
}

// You can use `userInfoResponse` to read the users session information

return (
<SessionAuthForNextJS>
<div>
{message}
</div>
</SessionAuthForNextJS>
);
}

We use session returned by getSSRSession to get the access token of the user. We can then send the access token as a header to the API. When the API calls withSession it will try to read the access token from the headers and if a session exists it will return the information. You can use the session object to fetch other information such as session.getUserId().

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