ios-webview-header.service.ts

/// <reference path="../../../../references.d.ts" />

import {Injectable} from '@angular/core';
import * as application from 'application';
import {WebViewHeader} from './webview-header.abstract.service';

declare const NSHTTPCookie;
declare const NSDictionary;

@Injectable()
export class IosWebviewHeader extends WebViewHeader {

    constructor() {
        super();
    }

    /**
     * Set the cookie header for the webview
     * @param header
     */
    public setHeader(header: string, url: string): void {
        //Receive the shared cookie instance
        const sharedCookieInstance: NSHTTPCookieStorage = NSHTTPCookieStorage.sharedHTTPCookieStorage;
        // set acceptance to always
        sharedCookieInstance.cookieAcceptPolicy = NSHTTPCookieAcceptPolicy.Always;
        //Split the header String in its partials
        const splittedHeader: Array<string> = header.split(';');
        // The name of the cookie
        const cookieName: Array<string> = splittedHeader[0].split('=');
        // The path of the cookie
        const cookiePath: Array<string> = splittedHeader[1].split('=');
        // The Cookie Domain
        const cookieDomain: Array<string> = splittedHeader[2].split('=');
        // create a cookie dictonary
        const dic: any = new NSDictionary(
            [ cookieName[0],
            cookieName[1],
            cookiePath[1],
            url ],
         [ NSHTTPCookieName, NSHTTPCookieValue, NSHTTPCookiePath, NSHTTPCookieOriginURL ]);

        const cookie: NSHTTPCookie = new NSHTTPCookie(dic);
        // set the cookie to the current instance
        sharedCookieInstance.setCookie(cookie);
    }
    /**
     * Removes the current cookie header
     */
    public removeHeader(): void {
        //Receive all cookies from the current store
        const cookies: any = NSHTTPCookieStorage.sharedHTTPCookieStorage.cookies;
        if (typeof cookies !== 'undefined') {
            //Iterate over each of them
            for (let i = 0; i < cookies.count; i++) {
                //Generate a cookie object                              
                const cookie: NSHTTPCookie = <NSHTTPCookie>cookies.objectAtIndex(i);
                //And delete it
                NSHTTPCookieStorage.sharedHTTPCookieStorage.deleteCookie(cookie);
            }
        }
    }
}