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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | 6x 6x 6x 6x 18x 18x 23x 23x 23x 23x 23x 23x 23x 23x 23x | import {
CanActivate,
ExecutionContext,
Injectable,
UnauthorizedException,
} from '@nestjs/common';
import { JwtService } from '@nestjs/jwt';
import { Request } from 'express';
import { ConfigService } from '@nestjs/config';
@Injectable()
export class AuthGuard implements CanActivate {
constructor(
private jwtService: JwtService,
private configService: ConfigService,
) {}
async canActivate(context: ExecutionContext): Promise<boolean> {
const request = context.switchToHttp().getRequest();
const token = this.extractTokenFromHeader(request);
Iif (!token) {
throw new UnauthorizedException();
}
try {
const payload = await this.jwtService.verifyAsync(token, {
secret: this.configService.get<string>('JWT_SECRET'),
});
request['user'] = payload;
} catch {
throw new UnauthorizedException();
}
return true;
}
private extractTokenFromHeader(request: Request): string | undefined {
const [type, token] = request.headers.authorization?.split(' ') ?? [];
return type === 'Bearer' ? token : undefined;
}
}
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