add session.handler to be able to apply remember me feature

npm/ng-packs/packages/account/config/src/handlers/session.handler.ts

@@ -0,0 +1,53 @@
+import { EnvironmentService } from '@abp/ng.core';
+import { Injectable } from '@angular/core';
+import { OAuthService } from 'angular-oauth2-oidc';
+import { filter, take } from 'rxjs/operators';
+
+const cookieKey = 'rememberMe';
+const storageKey = 'rememberMe';
+
+@Injectable({ providedIn: 'root' })
+export class SessionHandler {
+  constructor(private oAuthService: OAuthService, environmentService: EnvironmentService) {
+    environmentService
+      .getEnvironment$()
+      .pipe(
+        filter(env => env && JSON.stringify(env) !== '{}'),
+        take(1),
+      )
+      .subscribe(environment => {
+        if (environment.oAuthConfig.responseType === 'code') return;
+
+        this.init();
+      });
+  }
+
+  private init() {
+    this.oAuthService.events.subscribe(event => {
+      if (event.type === 'logout') {
+        this.removeRememberInfo();
+      }
+    });
+
+    if (!getCookieValueByName('rememberMe') && localStorage.getItem(storageKey)) {
+      this.oAuthService.logOut();
+    }
+  }
+
+  setRememberInfo(remember: boolean) {
+    this.removeRememberInfo();
+    localStorage.setItem(storageKey, 'true');
+    const expiration = new Date(this.oAuthService.getAccessTokenExpiration()).toUTCString();
+    document.cookie = `${cookieKey}=true${remember ? `;expires=${expiration}` : ''}`;
+  }
+
+  removeRememberInfo() {
+    localStorage.removeItem(storageKey);
+    document.cookie = cookieKey + '= ; expires = Thu, 01 Jan 1970 00:00:00 GMT';
+  }
+}
+
+function getCookieValueByName(name: string) {
+  var match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));
+  return match ? match[2] : '';
+}