Test

//
//  ViewController.m
//  TestWebView
//
//  Created by Thieu Mao on 3/9/17.
//  Copyright © 2017 thieumao. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()
@property (weak, nonatomic) IBOutlet UIWebView *webView;
@end

@implementation ViewController

//BOOL isauth;
//- (void)viewDidLoad
//{
//
//    // Load the web view with your url
//    [_webView loadRequest:[NSURLRequest requestWithURL:[NSURL      URLWithString:@"http://42.119.128.237/"]]];
//    isauth = NO;
//}
//
//- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType;
//{
//
////    if (!isauth) {
////        isauth = NO;
////        [[NSURLConnection alloc] initWithRequest:request delegate:self];
////        return NO;
////    }
//    [[NSURLConnection alloc] initWithRequest:request delegate:self];
//    return NO;
//}
//
//
////in nsurlconnections delegate. This one deals with the authentication challenge. this time set isauth to YES
//
//- (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge;
//{
//    [[challenge sender] useCredential:[NSURLCredential credentialWithUser:@"admin" password:@"test"  persistence:NSURLCredentialPersistencePermanent] forAuthenticationChallenge:challenge];
//
////    if ([challenge previousFailureCount] == 0) {
////        isauth = YES;
////        [[challenge sender] useCredential:[NSURLCredential credentialWithUser:@"admin" password:@"test"  persistence:NSURLCredentialPersistencePermanent] forAuthenticationChallenge:challenge];
////    }
////    else
////        [[challenge sender] cancelAuthenticationChallenge:challenge];
//}
//
//// if the authentication is successfully handled than you will get data in this method in which you can reload web view with same request again.
//
//- (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response;
//{
//    NSLog(@"received response via nsurlconnection");
//
//    NSURLRequest *urlRequest = [NSURLRequest requestWithURL:[NSURL   URLWithString:@"http://42.119.128.237/"]];
//
//    [_webView loadRequest:urlRequest];
//}
//
//- (BOOL)connectionShouldUseCredentialStorage:(NSURLConnection *)connection;
//{
//    return NO;
//}

- (void)viewDidLoad {
    [super viewDidLoad];
//    _webView.delegate = self;
    //basic HTTP authentication
    NSURL *url = [NSURL URLWithString:@"http://vietnamnet.vn/"];
                  //@"http://42.119.128.237/"];
    //@"http://vietnamnet.vn/
    NSMutableURLRequest *request;
    request = [NSMutableURLRequest requestWithURL:url
                                      cachePolicy:NSURLRequestReloadIgnoringCacheData
                                  timeoutInterval:12];
    [_webView loadRequest:request];
}

- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType;
{

    //    if (!isauth) {
    //        isauth = NO;
    //        [[NSURLConnection alloc] initWithRequest:request delegate:self];
    //        return NO;
    //    }
    [[NSURLConnection alloc] initWithRequest:request delegate:self];
    return NO;
}


//Then
- (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge;
{
    NSURLCredential * cred = [NSURLCredential credentialWithUser:@"admin"
                                                        password:@"test"
                                                     persistence:NSURLCredentialPersistenceForSession];
    [[NSURLCredentialStorage sharedCredentialStorage]setCredential:cred forProtectionSpace:[challenge protectionSpace]];

}

- (BOOL)connectionShouldUseCredentialStorage:(NSURLConnection *)connection;
{
    return YES;
}

@end