1
0
forked from Yara724/api
Files
yara724-api/src/auth/guards/global.guard.ts

58 lines
1.6 KiB
TypeScript

import {
CanActivate,
ExecutionContext,
Injectable,
UnauthorizedException,
} from "@nestjs/common";
import { JwtService } from "@nestjs/jwt";
import { Request } from "express";
import { RoleEnum } from "src/Types&Enums/role.enum";
const GLOBAL_GUARD_ROLES = new Set<string>([
RoleEnum.USER,
RoleEnum.FIELD_EXPERT,
RoleEnum.REGISTRAR,
RoleEnum.FILE_MAKER,
RoleEnum.FILE_REVIEWER
]);
@Injectable()
export class GlobalGuard implements CanActivate {
constructor(private readonly jwtService: JwtService) {}
async canActivate(context: ExecutionContext): Promise<boolean> {
const request = context.switchToHttp().getRequest();
const token = this.extractTokenFromHeader(request);
if (!token) {
throw new UnauthorizedException("Missing Bearer token");
}
try {
const payload = await this.jwtService.verifyAsync(token, {
secret: `${process.env.JWT_SECRET}`,
});
if (!payload?.role || !GLOBAL_GUARD_ROLES.has(String(payload.role))) {
throw new UnauthorizedException(
`Role "${payload?.role ?? "unknown"}" is not allowed on user-panel APIs. Use /user/login for USER, or /actor/login for experts.`,
);
}
request.user = payload;
request.identity = request.user;
} catch (error) {
if (error instanceof UnauthorizedException) {
throw error;
}
throw new UnauthorizedException("Invalid or expired token");
}
return true;
}
private extractTokenFromHeader(request: Request): string | undefined {
const [type, token] = request.headers.authorization?.split(" ") ?? [];
return type === "Bearer" ? token : undefined;
}
}