43 lines
1.4 KiB
TypeScript
43 lines
1.4 KiB
TypeScript
import {
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CanActivate,
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ExecutionContext,
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Injectable,
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UnauthorizedException,
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} from '@nestjs/common';
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import { JwtService } from '@nestjs/jwt';
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import { env } from '@server/env';
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import { Request } from 'express';
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import { JwtPayload } from '@nicestack/common';
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@Injectable()
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export class AuthGuard implements CanActivate {
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constructor(private jwtService: JwtService) { }
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async canActivate(context: ExecutionContext): Promise<boolean> {
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const request = context.switchToHttp().getRequest();
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const token = this.extractTokenFromHeader(request);
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console.log(token)
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if (!token) {
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throw new UnauthorizedException();
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}
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try {
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const payload: JwtPayload = await this.jwtService.verifyAsync(
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token,
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{
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secret: env.JWT_SECRET
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}
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);
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// 💡 We're assigning the payload to the request object here
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// so that we can access it in our route handlers
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request['user'] = payload;
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} catch {
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throw new UnauthorizedException();
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}
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return true;
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}
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private extractTokenFromHeader(request: Request): string | undefined {
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const [type, token] = request.headers.authorization?.split(' ') ?? [];
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return type === 'Bearer' ? token : undefined;
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}
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} |