forked from Yara724/api
36 lines
1.1 KiB
TypeScript
36 lines
1.1 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 { Request } from "express";
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import { JwtPayload } from "../types/payload.types";
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@Injectable()
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export class AuthGuard implements CanActivate {
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constructor(private readonly jwtService: JwtService) {}
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async canActivate(context: ExecutionContext): Promise<boolean> {
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const request = context.switchToHttp().getRequest<Request>();
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const token = this.extractTokenFromHeader(request);
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if (!token) {
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throw new UnauthorizedException("No token provided");
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}
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try {
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const payload: JwtPayload =
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await this.jwtService.verifyAsync<JwtPayload>(token);
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request["user"] = payload;
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} catch {
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throw new UnauthorizedException("Invalid or expired token");
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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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}
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