doujiang5211
doujiang5211
2016-08-14 06:09

使用cookie卷曲到Golang HTTP请求

已采纳

I'm trying to get info from an old site that utilizes netscape HTTP cookie files to login. Here's my curl requests:

// Do login request and get cookie
curl -c cookies -X POST -i -v https://foobar.com/login

// Use generated cookie file to get more data about the user
curl -b cookies -i -v https://foobar.com/data

In PHP, you could do something like:

// Do login request and get cookie
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, 'https://foobar/login');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_COOKIESESSION, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, './cookies');
curl_setopt($ch, CURLOPT_COOKIEFILE, './cookies');  
$user = curl_exec($ch);

// Use generated cookie file to get data about the user 
curl_setopt($ch, CURLOPT_URL, 'https://foobar/login');
curl_setopt($ch, CURLOPT_COOKIESESSION, true);
curl_setopt($ch, CURLOPT_COOKIEJAR, './cookies');
curl_setopt($ch, CURLOPT_COOKIEFILE, './cookies');  
$data = curl_exec($ch);

Is there a way to do this using the std http package in Go?

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1条回答

  • dsij89625 dsij89625 5年前

    To save a cookie:

    // do whatever is needed to login and get the cookie
    response, err := http.PostForm("http://localhost:8080/login", url.Values{"username": {"foo"}, "password": {"bar"}})
    if err != nil {
        log.Fatal(err)
    }
    
    var savedCookie *http.Cookie
    
    for _, cookie := range response.Cookies() {
        if cookie.Name == "secret" {
            savedCookie = cookie
        }
    }
    

    Once you have the cookie you can build another request and add the cookie(s):

    client := http.Client{}
    request, err := http.NewRequest("GET", "http://localhost:8080/protected", nil)
    if err != nil {
        log.Fatal(err)
    }
    
    request.AddCookie(savedCookie)
    response, err := client.Do(request)
    if err != nil {
        log.Fatal(err)
    }
    

    If you have multiple Cookies you can use a CookieJar and set them directly in the Client:

    client := &http.Client{
        Jar: jar,
    }
    
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