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82 lines
2.5 KiB
82 lines
2.5 KiB
1 month ago
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import { randomString } from '@/lib/client-utils';
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import { ConnectionDetails } from '@/lib/types';
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import { AccessToken, AccessTokenOptions, VideoGrant } from 'livekit-server-sdk';
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import { NextRequest, NextResponse } from 'next/server';
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const API_KEY = process.env.LIVEKIT_API_KEY;
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const API_SECRET = process.env.LIVEKIT_API_SECRET;
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const LIVEKIT_URL = process.env.LIVEKIT_URL;
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export async function GET(request: NextRequest) {
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try {
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// Parse query parameters
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const roomName = request.nextUrl.searchParams.get('roomName');
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const participantName = request.nextUrl.searchParams.get('participantName');
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const metadata = request.nextUrl.searchParams.get('metadata') ?? '';
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const region = request.nextUrl.searchParams.get('region');
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const livekitServerUrl = region ? getLiveKitURL(region) : LIVEKIT_URL;
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if (livekitServerUrl === undefined) {
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throw new Error('Invalid region');
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}
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if (typeof roomName !== 'string') {
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return new NextResponse('Missing required query parameter: roomName', { status: 400 });
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}
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if (participantName === null) {
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return new NextResponse('Missing required query parameter: participantName', { status: 400 });
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}
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// Generate participant token
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const participantToken = await createParticipantToken(
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{
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identity: `${participantName}__${randomString(4)}`,
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name: participantName,
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metadata,
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},
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roomName,
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);
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// Return connection details
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const data: ConnectionDetails = {
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serverUrl: livekitServerUrl,
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roomName: roomName,
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participantToken: participantToken,
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participantName: participantName,
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};
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return NextResponse.json(data);
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} catch (error) {
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if (error instanceof Error) {
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return new NextResponse(error.message, { status: 500 });
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}
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}
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}
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function createParticipantToken(userInfo: AccessTokenOptions, roomName: string) {
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const at = new AccessToken(API_KEY, API_SECRET, userInfo);
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at.ttl = '5m';
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const grant: VideoGrant = {
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room: roomName,
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roomJoin: true,
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canPublish: true,
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canPublishData: true,
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canSubscribe: true,
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};
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at.addGrant(grant);
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return at.toJwt();
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}
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/**
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* Get the LiveKit server URL for the given region.
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*/
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function getLiveKitURL(region: string | null): string {
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let targetKey = 'LIVEKIT_URL';
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if (region) {
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targetKey = `LIVEKIT_URL_${region}`.toUpperCase();
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}
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const url = process.env[targetKey];
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if (!url) {
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throw new Error(`${targetKey} is not defined`);
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}
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return url;
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}
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