forked from Yara724/api
48 lines
1.2 KiB
TypeScript
48 lines
1.2 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 { RoleEnum } from "src/Types&Enums/role.enum";
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@Injectable()
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export class GlobalGuard 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();
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const token = this.extractTokenFromHeader(request);
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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 = await this.jwtService.verifyAsync(token, {
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secret: `${process.env.JWT_SECRET}`,
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});
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if (
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payload.role !== RoleEnum.USER &&
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payload.role !== RoleEnum.FIELD_EXPERT
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) {
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throw new UnauthorizedException();
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}
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request.user = payload;
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request.identity = request.user;
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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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}
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