我可以设置WKWebView使用的cookie吗?

问题描述 投票:98回答:17

我正在尝试将现有的应用程序从UIWebView切换到WKWebView。当前应用程序管理webview之外的用户登录/会话,并将认证所需的cookies设置为NSHTTPCookieStore。不幸的是,新的WKWebView不使用cookiesNSHTTPCookieStorage。还有另一种方法来实现这一目标吗?

ios cookies uiwebview ios8 wkwebview
17个回答
137
投票

仅适用于iOS 11+

使用WKHTTPCookieStore

let cookie = HTTPCookie(properties: [
    .domain: "example.com",
    .path: "/",
    .name: "MyCookieName",
    .value: "MyCookieValue",
    .secure: "TRUE",
    .expires: NSDate(timeIntervalSinceNow: 31556926)
])! 

webView.configuration.websiteDataStore.httpCookieStore.setCookie(cookie)

由于您是从HTTPCookeStorage中提取它们,因此可以执行以下操作:

let cookies = HTTPCookieStorage.shared.cookies ?? []
for (cookie) in cookies {
    webView.configuration.websiteDataStore.httpCookieStore.setCookie(cookie)
}

适用于iOS 10及以下版本的旧答案

如果您需要在初始加载请求中设置cookie,可以在NSMutableURLRequest上设置它们。因为cookie只是一个特殊格式的请求标头,所以可以这样实现:

WKWebView * webView = /*set up your webView*/
NSMutableURLRequest * request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:@"http://example.com/index.html"]];
[request addValue:@"TeskCookieKey1=TeskCookieValue1;TeskCookieKey2=TeskCookieValue2;" forHTTPHeaderField:@"Cookie"];
// use stringWithFormat: in the above line to inject your values programmatically
[webView loadRequest:request];

如果您要求页面上的后续AJAX请求设置其cookie,可以通过简单地使用WKUserScript在文档启动时通过javascript以编程方式设置值来实现,如下所示:

WKUserContentController* userContentController = WKUserContentController.new;
WKUserScript * cookieScript = [[WKUserScript alloc] 
    initWithSource: @"document.cookie = 'TeskCookieKey1=TeskCookieValue1';document.cookie = 'TeskCookieKey2=TeskCookieValue2';"
    injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];
// again, use stringWithFormat: in the above line to inject your values programmatically
[userContentController addUserScript:cookieScript];
WKWebViewConfiguration* webViewConfig = WKWebViewConfiguration.new;
webViewConfig.userContentController = userContentController;
WKWebView * webView = [[WKWebView alloc] initWithFrame:CGRectMake(/*set your values*/) configuration:webViewConfig];

结合这两种技术应该为您提供足够的工具来将Cookie值从Native App Land传输到Web View Land。如果您需要更高级的cookie,可以在cookie javascript API on Mozilla's page上找到更多信息。

是的,苹果不支持许多the niceties of UIWebView很糟糕。不确定他们是否会支持他们,但希望他们能尽快得到这个。希望这可以帮助!


4
投票

发布此答案背后的原因是我尝试了很多解决方案,但没有人正常工作,大多数答案不适用于必须首次设置cookie,并且第一次得到结果cookie不同步,请使用此解决方案它适用于两者iOS> = 11.0 <= iOS 11至8.0,也可以首次使用cookie同步。

对于iOS> = 11.0 - Swift 4.2

获取http cookie并以这种方式设置在wkwebview cookie商店中,在wkwebview中加载你的请求非常棘手,必须在完全设置cookie时发送加载请求,这是我写的功能。

在调用加载webview时完成闭包的调用函数。仅供参考此功能仅处理iOS> = 11.0

self.WwebView.syncCookies {
    if let request = self.request {
       self.WwebView.load(request)
    }
}

这是syncCookies函数的实现。

func syncCookies(completion:@escaping ()->Void) {

if #available(iOS 11.0, *) {

      if let yourCookie = "HERE_YOUR_HTTP_COOKIE_OBJECT" {
        self.configuration.websiteDataStore.httpCookieStore.setCookie(yourCookie, completionHandler: {
              completion()
        })
     }
  } else {
  //Falback just sent 
  completion()
}
}

适用于iOS 8至iOS 11

你需要设置一些额外的东西,你需要通过使用WKUserScript设置两个时间cookie,并且不要忘记在请求中添加cookie,否则你的cookie不会第一次同步,你会看到你的页面没有正确加载第一次。这是我发现支持iOS 8.0的cookie的哎呀

在你创建Wkwebview对象之前。

func setUpWebView() {

    let userController: WKUserContentController = WKUserContentController.init()

    if IOSVersion.SYSTEM_VERSION_LESS_THAN(version: "11.0") {
        if let cookies = HTTPCookieStorage.shared.cookies {
            if let script = getJSCookiesString(for: cookies) {
                cookieScript = WKUserScript(source: script, injectionTime: .atDocumentStart, forMainFrameOnly: false)
                userController.addUserScript(cookieScript!)
            }
        }
    }

    let webConfiguration = WKWebViewConfiguration()
    webConfiguration.processPool = BaseWebViewController.processPool


    webConfiguration.userContentController = userController


    let customFrame = CGRect.init(origin: CGPoint.zero, size: CGSize.init(width: 0.0, height: self.webContainerView.frame.size.height))
    self.WwebView = WKWebView (frame: customFrame, configuration: webConfiguration)
    self.WwebView.translatesAutoresizingMaskIntoConstraints = false
    self.webContainerView.addSubview(self.WwebView)
    self.WwebView.uiDelegate = self
    self.WwebView.navigationDelegate = self
    self.WwebView.allowsBackForwardNavigationGestures = true // A Boolean value indicating whether horizontal swipe gestures will trigger back-forward list navigations
    self.WwebView.addObserver(self, forKeyPath: #keyPath(WKWebView.estimatedProgress), options: .new, context: nil)


 self.view.addConstraint(NSLayoutConstraint(item: WwebView, attribute: .trailing, relatedBy: .equal, toItem: self.webContainerView, attribute: .trailing, multiplier: 1, constant: 0))
    self.view.addConstraint(NSLayoutConstraint(item: WwebView, attribute: .leading, relatedBy: .equal, toItem: self.webContainerView, attribute: .leading, multiplier: 1, constant: 0))
    self.view.addConstraint(NSLayoutConstraint(item: WwebView, attribute: .top, relatedBy: .equal, toItem: self.webContainerView, attribute: .top, multiplier: 1, constant: 0))
    self.view.addConstraint(NSLayoutConstraint(item: WwebView, attribute: .bottom, relatedBy: .equal, toItem: self.webContainerView, attribute: .bottom, multiplier: 1, constant: 0))


}

专注于此函数getJSCookiesString

 public func getJSCookiesString(for cookies: [HTTPCookie]) -> String? {

    var result = ""
    let dateFormatter = DateFormatter()
    dateFormatter.timeZone = TimeZone(abbreviation: "UTC")
    dateFormatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss zzz"

    for cookie in cookies {
        if cookie.name == "yout_cookie_name_want_to_sync" {
            result += "document.cookie='\(cookie.name)=\(cookie.value); domain=\(cookie.domain); path=\(cookie.path); "
            if let date = cookie.expiresDate {
                result += "expires=\(dateFormatter.string(from: date)); "
            }
            if (cookie.isSecure) {
                result += "secure; "
            }
            result += "'; "
        }

    }

    return result
}

这里是其他步骤wkuserscript不能立即同步cookie,有很多加载第一次使用cookie的页面,如果它终止进程但是我不建议使用它再次重新加载webview,它不利于用户的观点,heck是每当你准备好在请求头中加载请求集cookie时也是这样,不要忘记添加iOS版本检查。在加载请求之前调用此函数。

request?.addCookies()

我为URLRequest写了扩展名

extension URLRequest {

internal mutating func addCookies() {
    //"appCode=anAuY28ucmFrdXRlbi5yZXdhcmQuaW9zLXpOQlRTRmNiejNHSzR0S0xuMGFRb0NjbUg4Ql9JVWJH;rpga=kW69IPVSYZTo0JkZBicUnFxC1g5FtoHwdln59Z5RNXgJoMToSBW4xAMqtf0YDfto;rewardadid=D9F8CE68-CF18-4EE6-A076-CC951A4301F6;rewardheader=true"
    var cookiesStr: String = ""

    if IOSVersion.SYSTEM_VERSION_LESS_THAN(version: "11.0") {
        let mutableRequest = ((self as NSURLRequest).mutableCopy() as? NSMutableURLRequest)!
        if let yourCookie = "YOUR_HTTP_COOKIE_OBJECT" {
            // if have more than one cookies dont forget to add ";" at end
            cookiesStr += yourCookie.name + "=" + yourCookie.value + ";"

            mutableRequest.setValue(cookiesStr, forHTTPHeaderField: "Cookie")
            self = mutableRequest as URLRequest

        }
    }

  }
}

现在你准备去测试iOS> 8了


2
投票

请找到最有可能为您提供解决方案的解决方案。基本上它是为Swift 4 @ user3589213的answer修改和更新的。

func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
    let headerKeys = navigationAction.request.allHTTPHeaderFields?.keys
    let hasCookies = headerKeys?.contains("Cookie") ?? false

    if hasCookies {
        decisionHandler(.allow)
    } else {
        let cookies = HTTPCookie.requestHeaderFields(with: HTTPCookieStorage.shared.cookies ?? [])

        var headers = navigationAction.request.allHTTPHeaderFields ?? [:]
        headers += cookies

        var req = navigationAction.request
        req.allHTTPHeaderFields = headers

        webView.load(req)

        decisionHandler(.cancel)
    }
}

0
投票

here显示了对XHR请求的更好修复

Swift 4版本:

func webView(_ webView: WKWebView, decidePolicyFor navigationResponse: WKNavigationResponse, decisionHandler: @escaping (WKNavigationResponsePolicy) -> Swift.Void) {
    guard
        let response = navigationResponse.response as? HTTPURLResponse,
        let url = navigationResponse.response.url
    else {
        decisionHandler(.cancel)
        return
    }

    if let headerFields = response.allHeaderFields as? [String: String] {
        let cookies = HTTPCookie.cookies(withResponseHeaderFields: headerFields, for: url)
        cookies.forEach { (cookie) in
            HTTPCookieStorage.shared.setCookie(cookie)
        }
    }

    decisionHandler(.allow)
}

0
投票

如果有人使用Alamofire,那么这是更好的解决方案。

  let cookies = Alamofire.SessionManager.default.session.configuration.httpCookieStorage?.cookies(for: URL(string: BASE_URL)!)
  for (cookie) in cookies ?? [] {
      webView.configuration.websiteDataStore.httpCookieStore.setCookie(cookie)
  }

0
投票

这对我有用:在setcookies之后,添加fetchdatarecords

   let cookiesSet = NetworkProvider.getCookies(forKey : 
    PaywallProvider.COOKIES_KEY, completionHandler: nil)
                let dispatchGroup = DispatchGroup()
                for (cookie) in cookiesSet {
                    if #available(iOS 11.0, *) {
                        dispatchGroup.enter()
                        self.webView.configuration.websiteDataStore.httpCookieStore.setCookie(cookie){
                            dispatchGroup.leave()
                            print ("cookie added: \(cookie.description)")
                            }
                        } else {
                                            // TODO Handle ios 10 Fallback on earlier versions
                        }
                    }
                    dispatchGroup.notify(queue: .main, execute: {


    self.webView.configuration.websiteDataStore.fetchDataRecords(ofTypes: 
    WKWebsiteDataStore.allWebsiteDataTypes()) { records in
                            records.forEach { record in

                                print("[WebCacheCleaner] Record \(record)")
                            }
                            self.webView.load(URLRequest(url: 
    self.dataController.premiumArticleURL , 
    cachePolicy:NSURLRequest.CachePolicy.reloadIgnoringLocalAndRemoteCacheData,
                                                         timeoutInterval: 10.0))
                        }

                    })
                }

0
投票

我已经尝试了上面的所有答案,但没有一个能够奏效。经过这么多尝试,我终于找到了一种可靠的方法来设置WKWebview cookie。

首先,您必须创建一个WKProcessPool实例并将其设置为WKWebViewConfiguration,用于初始化WkWebview本身:

    private lazy var mainWebView: WKWebView = {
        let webConfiguration = WKWebViewConfiguration()
        webConfiguration.processPool = WKProcessPool()
        let webView = WKWebView(frame: .zero, configuration: webConfiguration)
        webView.navigationDelegate = self
        return webView
    }()

设置WKProcessPool是这里最重要的一步。 WKWebview使用进程隔离 - 这意味着它运行在与应用程序进程不同的进程上。这有时会导致冲突并阻止您的cookie与WKWebview正确同步。

现在让我们来看看WKProcessPool的定义

与Web视图关联的进程池由其Web视图配置指定。每个Web视图都有自己的Web Content流程,直到达到实现定义的流程限制为止;之后,具有相同流程池的Web视图最终会共享Web Content流程。

如果您计划对子序列请求使用相同的WKWebview,请注意最后一句

具有相同进程池的Web视图最终共享Web Content进程

我的意思是,如果每次为同一个域配置WKWebView时都不使用相同的WKProcessPool实例(也许你有一个包含WKWebView的VC A,并且你想在不同的地方创建不同的VC A实例),可能存在冲突设置cookie。为了解决这个问题,在第一次为加载域B的WKWebView创建WKProcessPool之后,我将它保存在单例中并且每次创建加载相同域B的WKWebView时都使用相同的WKProcessPool

private lazy var mainWebView: WKWebView = {
    let webConfiguration = WKWebViewConfiguration()
    if Enviroment.shared.processPool == nil {
        Enviroment.shared.processPool = WKProcessPool()
    }
    webConfiguration.processPool = Enviroment.shared.processPool!
    webConfiguration.processPool = WKProcessPool()
    let webView = WKWebView(frame: .zero, configuration: webConfiguration)
    webView.navigationDelegate = self
    return webView
}()

在初始化过程之后,您可以在httpCookieStore.setCookie的完成块中加载URLRequest。在这里,您必须将cookie附加到请求标头,否则它将无法正常工作。

P / s:我从Dan Loewenherz上面的奇妙答案中偷走了延伸

mainWebView.configuration.websiteDataStore.httpCookieStore.setCookie(your_cookie) {
        self.mainWebView.load(your_request, with: [your_cookie])
}

extension WKWebView {
   func load(_ request: URLRequest, with cookies: [HTTPCookie]) {
      var request = request
      let headers = HTTPCookie.requestHeaderFields(with: cookies)
      for (name, value) in headers {
         request.addValue(value, forHTTPHeaderField: name)
      }        
      load(request)
   }
}

0
投票

添加多个cookie项目时,您可以这样做:(每个项目都需要pathdomain

NSString *cookie = [NSString stringWithFormat:@"document.cookie = 'p1=%@;path=/;domain=your.domain;';document.cookie = 'p2=%@;path=/;domain=your.domain;';document.cookie = 'p3=%@;path=/;domain=your.domain;';", p1_string, p2_string, p3_string];

WKUserScript *cookieScript = [[WKUserScript alloc]
            initWithSource:cookie
            injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:NO];

[userContentController addUserScript:cookieScript];

否则,只会设置第一个cookie项目。


0
投票

您还可以使用WKWebsiteDataStore从UIWebView获取与HTTPCookieStorage类似的行为。

let dataStore = WKWebsiteDataStore.default()
let cookies = HTTPCookieStorage.shared.cookies ?? [HTTPCookie]()
cookies.forEach({
    dataStore.httpCookieStore.setCookie($0, completionHandler: nil)
})

57
投票

在玩this answer之后(这非常有用:)我们不得不做一些改变:

  • 我们需要Web视图来处理多个域,而不会泄漏这些域之间的私有cookie信息
  • 我们需要它来兑现安全的cookie
  • 如果服务器更改了cookie值,我们希望我们的应用程序在NSHTTPCookieStorage中了解它
  • 如果服务器更改了cookie值,我们不希望我们的脚本在您按照链接/ AJAX等时将其重置为原始值。

所以我们修改了我们的代码;

创建请求

NSMutableURLRequest *request = [originalRequest mutableCopy];
NSString *validDomain = request.URL.host;
const BOOL requestIsSecure = [request.URL.scheme isEqualToString:@"https"];

NSMutableArray *array = [NSMutableArray array];
for (NSHTTPCookie *cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]) {
    // Don't even bother with values containing a `'`
    if ([cookie.name rangeOfString:@"'"].location != NSNotFound) {
        NSLog(@"Skipping %@ because it contains a '", cookie.properties);
        continue;
    }

    // Is the cookie for current domain?
    if (![cookie.domain hasSuffix:validDomain]) {
        NSLog(@"Skipping %@ (because not %@)", cookie.properties, validDomain);
        continue;
    }

    // Are we secure only?
    if (cookie.secure && !requestIsSecure) {
        NSLog(@"Skipping %@ (because %@ not secure)", cookie.properties, request.URL.absoluteString);
        continue;
    }

    NSString *value = [NSString stringWithFormat:@"%@=%@", cookie.name, cookie.value];
    [array addObject:value];
}

NSString *header = [array componentsJoinedByString:@";"];
[request setValue:header forHTTPHeaderField:@"Cookie"];

// Now perform the request...

这可以确保第一个请求设置了正确的cookie,而不从共享存储中发送任何用于其他域的cookie,也不会将任何安全cookie发送到不安全的请求中。

处理进一步的请求

我们还需要确保其他请求设置了cookie。这是使用在文档加载上运行的脚本来完成的,该脚本检查是否存在cookie集,如果没有,则将其设置为NSHTTPCookieStorage中的值。

// Get the currently set cookie names in javascriptland
[script appendString:@"var cookieNames = document.cookie.split('; ').map(function(cookie) { return cookie.split('=')[0] } );\n"];

for (NSHTTPCookie *cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]) {
    // Skip cookies that will break our script
    if ([cookie.value rangeOfString:@"'"].location != NSNotFound) {
        continue;
    }

    // Create a line that appends this cookie to the web view's document's cookies
    [script appendFormat:@"if (cookieNames.indexOf('%@') == -1) { document.cookie='%@'; };\n", cookie.name, cookie.wn_javascriptString];
}

WKUserContentController *userContentController = [[WKUserContentController alloc] init];
WKUserScript *cookieInScript = [[WKUserScript alloc] initWithSource:script
                                                      injectionTime:WKUserScriptInjectionTimeAtDocumentStart
                                                   forMainFrameOnly:NO];
[userContentController addUserScript:cookieInScript];

...

// Create a config out of that userContentController and specify it when we create our web view.
WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
config.userContentController = userContentController;

self.webView = [[WKWebView alloc] initWithFrame:webView.bounds configuration:config];

处理cookie更改

我们还需要处理服务器更改cookie的值。这意味着添加另一个脚本来回调我们正在创建的Web视图以更新我们的NSHTTPCookieStorage

WKUserScript *cookieOutScript = [[WKUserScript alloc] initWithSource:@"window.webkit.messageHandlers.updateCookies.postMessage(document.cookie);"
                                                       injectionTime:WKUserScriptInjectionTimeAtDocumentStart
                                                    forMainFrameOnly:NO];
[userContentController addUserScript:cookieOutScript];

[userContentController addScriptMessageHandler:webView
                                          name:@"updateCookies"];

并实现委托方法来更新任何已更改的cookie,确保我们只更新当前域中的cookie!

- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message {
    NSArray<NSString *> *cookies = [message.body componentsSeparatedByString:@"; "];
    for (NSString *cookie in cookies) {
        // Get this cookie's name and value
        NSArray<NSString *> *comps = [cookie componentsSeparatedByString:@"="];
        if (comps.count < 2) {
            continue;
        }

        // Get the cookie in shared storage with that name
        NSHTTPCookie *localCookie = nil;
        for (NSHTTPCookie *c in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:self.wk_webView.URL]) {
            if ([c.name isEqualToString:comps[0]]) {
                localCookie = c;
                break;
            }
        }

        // If there is a cookie with a stale value, update it now.
        if (localCookie) {
            NSMutableDictionary *props = [localCookie.properties mutableCopy];
            props[NSHTTPCookieValue] = comps[1];
            NSHTTPCookie *updatedCookie = [NSHTTPCookie cookieWithProperties:props];
            [[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:updatedCookie];
        }
    }
}

这似乎解决了我们的cookie问题,而我们不必处理我们使用WKWebView的每个地方。我们现在可以使用此代码作为帮助程序来创建我们的Web视图,并为我们透明地更新NSHTTPCookieStorage


编辑:结果我在NSHTTPCookie上使用了一个私人类别 - 这是代码:

- (NSString *)wn_javascriptString {
    NSString *string = [NSString stringWithFormat:@"%@=%@;domain=%@;path=%@",
                        self.name,
                        self.value,
                        self.domain,
                        self.path ?: @"/"];

    if (self.secure) {
        string = [string stringByAppendingString:@";secure=true"];
    }

    return string;
}

25
投票

必须在创建WKWebView之前在配置上设置cookie。否则,即使使用WKHTTPCookieStoresetCookie完成处理程序,cookie也无法可靠地同步到Web视图。这可以追溯到docs上的WKWebViewConfiguration这一行

@NSCopying var configuration: WKWebViewConfiguration { get }

@NSCopying有点深刻。实施超出了我的要求,但最终的结果是,除非您在初始化webview之前设置cookie,否则您不能指望那里的cookie。这会使app体系结构复杂化,因为初始化视图会变成异步过程。你最终会得到这样的东西

extension WKWebViewConfiguration {
    /// Async Factory method to acquire WKWebViewConfigurations packaged with system cookies
    static func cookiesIncluded(completion: @escaping (WKWebViewConfiguration?) -> Void) {
        let config = WKWebViewConfiguration()
        guard let cookies = HTTPCookieStorage.shared.cookies else {
            completion(config)
            return
        }
        // Use nonPersistent() or default() depending on if you want cookies persisted to disk
        // and shared between WKWebViews of the same app (default), or not persisted and not shared
        // across WKWebViews in the same app.
        let dataStore = WKWebsiteDataStore.nonPersistent()
        let waitGroup = DispatchGroup()
        for cookie in cookies {
            waitGroup.enter()
            dataStore.httpCookieStore.setCookie(cookie) { waitGroup.leave() }
        }
        waitGroup.notify(queue: DispatchQueue.main) {
            config.websiteDataStore = dataStore
            completion(config)
        }
    }
}

然后使用类似的东西

override func loadView() {
    view = UIView()
    WKWebViewConfiguration.cookiesIncluded { [weak self] config in
        let webView = WKWebView(frame: .zero, configuration: webConfiguration)
        webView.load(request)
        self.view = webView
    }
}

上面的示例将视图创建推迟到最后一刻,另一个解决方案是提前创建配置或webview并在创建视图控制器之前处理异步性质。

最后一点:一旦你创建了这个webview,你已经将它放到了野外,你不能在不使用this answer中描述的方法的情况下添加更多的cookie。但是,您可以使用WKHTTPCookieStoreObserver api来至少观察cookie发生的变化。因此,如果会话cookie在Webview中更新,您可以根据需要使用此新cookie手动更新系统的HTTPCookieStorage

有关这方面的更多信息,请跳至此2017 WWDC Session Custom Web Content Loading的18:00。在本课程开始时,有一个欺骗性的代码示例,它省略了应该在完成处理程序中创建webview的事实。

cookieStore.setCookie(cookie!) {
    webView.load(loggedInURLRequest)
}

18:00的现场演示澄清了这一点。

编辑至少从Mojave Beta 7和iOS 12 Beta 7开始,我发现使用cookie的行为更加一致。 setCookie(_:)方法甚至似乎允许在创建WKWebView之后设置cookie。我确实觉得重要的是,根本不要接触processPool变量。如果没有创建其他池并且该属性保持单独,则cookie设置功能最有效。我认为可以说我们因WebKit中的一些错误而遇到问题。


24
投票

为我工作

func webView(webView: WKWebView, decidePolicyForNavigationAction navigationAction: WKNavigationAction, decisionHandler: (WKNavigationActionPolicy) -> Void) {
    let headerFields = navigationAction.request.allHTTPHeaderFields
    var headerIsPresent = contains(headerFields?.keys.array as! [String], "Cookie")

    if headerIsPresent {
        decisionHandler(WKNavigationActionPolicy.Allow)
    } else {
        let req = NSMutableURLRequest(URL: navigationAction.request.URL!)
        let cookies = yourCookieData
        let values = NSHTTPCookie.requestHeaderFieldsWithCookies(cookies)
        req.allHTTPHeaderFields = values
        webView.loadRequest(req)

        decisionHandler(WKNavigationActionPolicy.Cancel)
    }
}

18
投票

这是我在Swift中的Mattrs解决方案版本,用于注入来自HTTPCookieStorage的所有cookie。这主要是为了注入身份验证cookie来创建用户会话。

public func setupWebView() {
    let userContentController = WKUserContentController()
    if let cookies = HTTPCookieStorage.shared.cookies {
        let script = getJSCookiesString(for: cookies)
        let cookieScript = WKUserScript(source: script, injectionTime: .atDocumentStart, forMainFrameOnly: false)
        userContentController.addUserScript(cookieScript)
    }
    let webViewConfig = WKWebViewConfiguration()
    webViewConfig.userContentController = userContentController

    self.webView = WKWebView(frame: self.webViewContainer.bounds, configuration: webViewConfig)
}

///Generates script to create given cookies
public func getJSCookiesString(for cookies: [HTTPCookie]) -> String {
    var result = ""
    let dateFormatter = DateFormatter()
    dateFormatter.timeZone = TimeZone(abbreviation: "UTC")
    dateFormatter.dateFormat = "EEE, d MMM yyyy HH:mm:ss zzz"

    for cookie in cookies {
        result += "document.cookie='\(cookie.name)=\(cookie.value); domain=\(cookie.domain); path=\(cookie.path); "
        if let date = cookie.expiresDate {
            result += "expires=\(dateFormatter.stringFromDate(date)); "
        }
        if (cookie.secure) {
            result += "secure; "
        }
        result += "'; "
    }
    return result
}

9
投票

Swift 3更新:

func webView(_ webView: WKWebView, decidePolicyFor navigationResponse: WKNavigationResponse, decisionHandler: @escaping (WKNavigationResponsePolicy) -> Void) {
    if let urlResponse = navigationResponse.response as? HTTPURLResponse,
       let url = urlResponse.url,
       let allHeaderFields = urlResponse.allHeaderFields as? [String : String] {
       let cookies = HTTPCookie.cookies(withResponseHeaderFields: allHeaderFields, for: url)
       HTTPCookieStorage.shared.setCookies(cookies , for: urlResponse.url!, mainDocumentURL: nil)
       decisionHandler(.allow)
    }
}

7
投票

设置cookie

self.webView.evaluateJavaScript("document.cookie='access_token=your token';domain='your domain';") { (data, error) -> Void in
        self.webView.reload()
}

删除cookie

self.webView.evaluateJavaScript("document.cookie='access_token=';domain='your domain';") { (data, error) -> Void in
        self.webView.reload()
}

7
投票

在iOS 11中,您现在可以管理cookie :),请参阅此会话:https://developer.apple.com/videos/play/wwdc2017/220/

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5
投票

在查看了各种答案并且没有取得任何成功后,我梳理了WebKit文档并偶然发现了requestHeaderFields上的HTTPCookie静态方法,该方法将一组cookie转换为适合头字段的格式。将mattr's insightURLRequest相结合,然后将其加载到cookie标题之前将其结合起来让我通过终点线。

Swift 4.1, 4.2, 5.0:

var request = URLRequest(url: URL(string: "https://example.com/")!)
let headers = HTTPCookie.requestHeaderFields(with: cookies)
for (name, value) in headers {
    request.addValue(value, forHTTPHeaderField: name)
}

let webView = WKWebView(frame: self.view.frame)
webView.load(request)

为了使这更简单,使用扩展名:

extension WKWebView {
    func load(_ request: URLRequest, with cookies: [HTTPCookie]) {
        var request = request
        let headers = HTTPCookie.requestHeaderFields(with: cookies)
        for (name, value) in headers {
            request.addValue(value, forHTTPHeaderField: name)
        }

        load(request)
    }
}

现在它变成了:

let request = URLRequest(url: URL(string: "https://example.com/")!)
let webView = WKWebView(frame: self.view.frame)
webView.load(request, with: cookies)

如果你只想要一个插入式解决方案,这个扩展也可以在LionheartExtensions中使用。干杯!

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