如何删除 UIWebView 的所有 cookie？

在我的应用程序中，我有一个 UIWebview，它加载用于登录的 linkedinauth 页面。当用户登录时，cookie 保存到应用程序中。

我的应用程序有一个注销按钮，这是不相关的 Linkedin 登录。所以当用户点击这个按钮时，他就会从应用程序中退出。我希望这个退出将清除他的 Linkedin Cookie 也从应用程序，这样用户将完全退出。

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最佳答案

According to this question, you can go through each cookie in the "Cookie Jar" and delete them, like so:

NSHTTPCookieStorage *storage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
for (NSHTTPCookie *cookie in [storage cookies]) {
[storage deleteCookie:cookie];
}
[[NSUserDefaults standardUserDefaults] synchronize];
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You could make a function inside the html of the WebView, that cleans the cookies.

If you need the cleaning to be done only once you could trigger this function with a Titanium event, only when the app starts.

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Just wanted to add some info regarding this.

In OS X 10.9/iOS 7 and later, you can use -resetWithCompletionHandler: to clear the cookies and cache etc. of the whole app from your sharedSession:

Empties all cookies, caches and credential stores, removes disk files, flushes in-progress downloads to disk, and ensures that future requests occur on a new socket.

[[NSURLSession sharedSession] resetWithCompletionHandler:^{
// Do something once it's done.
}];

The for-In loop with deleteCookie: sounds like modifying while enumerating a collection to me. (Don't know, could be a bad idea?)

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If anyone is looking for Swift Solution:

    let storage = HTTPCookieStorage.shared
if let cookies = storage.cookies{
for cookie in cookies {
storage.deleteCookie(cookie)
}
}
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Previous answers didn't help me in the case of using MKWebView. So, I found another solution:

func loadAuthUrl(_ url: URL) {
        

let finally: VoidClosure = { [weak self] in
guard let self = self else { return }
let request = URLRequest(url: url, cachePolicy: .reloadIgnoringLocalAndRemoteCacheData, timeoutInterval: 60.0)
self.webView.load(request)
}
        

let cookieStore = webView.configuration.websiteDataStore.httpCookieStore
cookieStore.getAllCookies({ [weak self] cookies in
guard let _ = self else { return }
let instagramCookies = cookies.filter({ $0.domain == ".instagram.com" })
if instagramCookies.isEmpty {
finally()
} else {
DispatchQueue.global().async(execute: {
let group = DispatchGroup()
for cookie in cookies {
group.enter()
cookieStore.delete(cookie, completionHandler: { group.leave() })
}
group.wait()
DispatchQueue.main.async(execute: finally)
})
}
})
}

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