Verify certificate provider medium

Reviewed By: antonk52

Differential Revision: D33917041

fbshipit-source-id: 91a9554397063d53a903a5b1406b46ddf07360b2

desktop/flipper-server-core/src/comms/ServerController.tsx

@@ -311,6 +311,8 @@ class ServerController extends EventEmitter implements ServerEventsListener {
       }
     }
 
+    certificateProvider.verifyMedium(medium);
+
     return new Promise((resolve, reject) => {
       reportPlatformFailures(
         certificateProvider.processCertificateSigningRequest(

desktop/flipper-server-core/src/devices/android/AndroidCertificateProvider.tsx

@@ -15,6 +15,9 @@ import {csrFileName, extractAppNameFromCSR} from '../../utils/certificateUtils';
 const logTag = 'AndroidCertificateProvider';
 
 export default class AndroidCertificateProvider extends CertificateProvider {
+  name = 'AndroidCertificateProvider';
+  medium = 'FS_ACCESS' as const;
+
   constructor(private adb: Client) {
     super();
   }

desktop/flipper-server-core/src/devices/desktop/DesktopCertificateProvider.tsx

@@ -11,6 +11,8 @@ import CertificateProvider from '../../utils/CertificateProvider';
 import fs from 'fs-extra';
 
 export default class DesktopCertificateProvider extends CertificateProvider {
+  name = 'DesktopCertificateProvider';
+  medium = 'FS_ACCESS' as const;
   async getTargetDeviceId(): Promise<string> {
     // TODO: Could we use some real device serial? Currently, '' corresponds to a local device.
     // Whats if some app connects from a remote device?

desktop/flipper-server-core/src/devices/ios/iOSCertificateProvider.tsx

@@ -19,6 +19,8 @@ const tmpDir = promisify(tmp.dir) as (options?: DirOptions) => Promise<string>;
 
 // eslint-disable-next-line @typescript-eslint/naming-convention
 export default class iOSCertificateProvider extends CertificateProvider {
+  name = 'iOSCertificateProvider';
+  medium = 'FS_ACCESS' as const;
   constructor(private idbConfig: IdbConfig) {
     super();
   }

desktop/flipper-server-core/src/fb-stubs/WWWCertificateProvider.tsx

@@ -11,6 +11,8 @@ import {KeytarManager} from '../utils/keytar';
 import CertificateProvider from '../utils/CertificateProvider';
 
 export default class WWWCertificateProvider extends CertificateProvider {
+  name = 'WWWCertificateProvider';
+  medium = 'WWW' as const;
   constructor(private keytarManager: KeytarManager) {
     super();
   }

desktop/flipper-server-core/src/utils/CertificateProvider.tsx

@@ -19,6 +19,15 @@ import {
 export type CertificateExchangeMedium = 'FS_ACCESS' | 'WWW' | 'NONE';
 
 export default abstract class CertificateProvider {
+  abstract medium: CertificateExchangeMedium;
+  abstract name: string;
+
+  verifyMedium(medium: CertificateExchangeMedium) {
+    if (this.medium !== medium) {
+      throw new Error(`${this.name} does not support medium ${medium}`);
+    }
+  }
+
   async processCertificateSigningRequest(
     unsanitizedCsr: string,
     os: string,