feat: clearCookies method

Author: farfromrefug

src/request.android.ts

@@ -229,6 +229,7 @@ export function disableSSLPinning() {
     peer.enabled = false;
     getClient(undefined, true);
 }
+const SDKVersion = android.os.Build.VERSION.SDK_INT;
 
 let Client: okhttp3.OkHttpClient;
 let cookieJar: com.nativescript.https.QuotePreservingCookieJar;
@@ -237,8 +238,7 @@ export function getClient(opts: Partial<HttpsRequestOptions> = {}, reload: boole
     if (!Client) {
         // ssl error fix on KitKat. Only need to be done once.
         // client will be null only onced so will run only once
-        const version = android.os.Build.VERSION.SDK_INT;
-        if (version >= 16 && version < 22 && (org as any).conscrypt) {
+        if (SDKVersion >= 16 && SDKVersion < 22 && (org as any).conscrypt) {
             java.security.Security.insertProviderAt((org as any).conscrypt.Conscrypt.newProvider(), 1);
         }
     }
@@ -401,6 +401,13 @@ export function cancelRequest(tag: string, client: okhttp3.OkHttpClient = runnin
     }
 }
 
+export function clearCookies() {
+    if (cookieJar) {
+        cookieJar = null;
+        cookieManager = null;
+    }
+}
+
 let CALL_ID = 0;
 const notClosedResponses: {
     [k: string]: com.nativescript.https.OkHttpResponse;

src/request.d.ts

@@ -59,7 +59,7 @@ export interface HttpsRequestOptions extends HttpRequestOptions {
     cachePolicy?: CachePolicy;
 
     /**
-     * default to true
+     * default to true. Android and iOS only store cookies in memory! it will be cleared after an app restart
      */
     cookiesEnabled?: boolean;
 }
@@ -109,6 +109,7 @@ export function setCache(options?: CacheOptions);
 export function clearCache();
 export function createRequest(opts: HttpsRequestOptions): HttpsRequest;
 export function cancelRequest(tag: string);
+export function clearCookies();
 export function addNetworkInterceptor(interceptor);
 
 export function getClient(opts: Partial<HttpsRequestOptions>);

src/request.ios.ts

@@ -309,6 +309,13 @@ export function cancelRequest(tag: string) {
     }
 }
 
+export function clearCookies() {
+    const storage = NSHTTPCookieStorage.sharedHTTPCookieStorage;
+    const cookies = storage.cookies;
+    cookies.enumerateObjectsUsingBlock((cookie) => {
+        storage.deleteCookie(cookie);
+    });
+}
 export function createRequest(opts: HttpsRequestOptions, useLegacy: boolean = true): HttpsRequest {
     const type = opts.headers && opts.headers['Content-Type'] ? opts.headers['Content-Type'] : 'application/json';
     if (type.startsWith('application/json')) {
@@ -361,8 +368,8 @@ export function createRequest(opts: HttpsRequestOptions, useLegacy: boolean = tr
 
     const progress = opts.onProgress
         ? (progress: NSProgress) => {
-              opts.onProgress(progress.completedUnitCount, progress.totalUnitCount);
-          }
+            opts.onProgress(progress.completedUnitCount, progress.totalUnitCount);
+        }
         : null;
     let task: NSURLSessionDataTask;
     const tag = opts.tag;