1 files changed, 27 insertions, 0 deletions
diff --git a/server/providers/services/jwt.service.ts b/server/providers/services/jwt.service.ts
new file mode 100644
index 0000000..ac7f359
--- /dev/null
+++ b/server/providers/services/jwt.service.ts
@@ -0,0 +1,27 @@
+import { HttpException, Injectable } from '@nestjs/common';
+import * as jwt from 'jsonwebtoken';
+import { JwtBodyDto } from 'server/dto/jwt_body.dto';
+import { RefreshTokenBody } from 'server/dto/refresh_token_body.dto';
+
+@Injectable()
+export class JwtService {
+  issueToken(body: JwtBodyDto | RefreshTokenBody, expiresIn = '15m', key = process.env.ENCRYPTION_KEY): string {
+    return jwt.sign(body, key, { expiresIn });
+  }
+
+  issueRefreshToken(body: RefreshTokenBody) {
+    return this.issueToken(body, '1y', process.env.REFRESH_ENCRYPTION_KEY);
+  }
+
+  parseToken(token: string, key = process.env.ENCRYPTION_KEY): JwtBodyDto | RefreshTokenBody {
+    try {
+      return jwt.verify(token, key);
+    } catch (e) {
+      throw new HttpException('Invalid jwt token', 401);
+    }
+  }
+
+  parseRefreshToken(token: string) {
+    return this.parseToken(token, process.env.REFRESH_ENCRYPTION_KEY);
+  }
+}