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in Technique[技术] by (71.8m points)

ANDROID : Share session between Webview and httpclient

I have actually a logged session in my WebView. But I use also httpclient to send and get data from the web. I saw on the internet that it's impossible to get the content of a WebView, so I needed to use my httpclient to get data from a webservice.

The problem is that this webservice uses sessions... and my session is in my WebView, so the httpclient doesn't have it and I can't access the content of the webservice.

I see many posts about this problem but I didn't understand the solution.

Here is what i did on my onPageStarted :

CookieManager mgr = CookieManager.getInstance();
Log.i( "URL", url );
Log.i("Cookie",mgr.getCookie("mywebsite.com"));
String cookie_string = mgr.getCookie("mywebsite.com");
if(cookie_string.length() > 1) {                    
    Data.instance().getPref().edit().putString("cookie",cookie_string).commit();
}

I saw that I have this kind of things, so I hope those include session too: (i remove the number)

__utma=......(number)......; 

__utmc=number;

__utmz=number.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); 

wt3_eid=%number%number; 

wt3_sid=%number

Then i don't know what to do in order to set this cookie in my httpclient. I try that, with no success :

HttpClient client = new DefaultHttpClient();
BasicCookieStore cookieStore = new BasicCookieStore();
String login_cookie_string = Data.instance().getPref().getString("cookie", "");
String[] cookie_parts = null;
if(login_cookie_string.length()> 0)
{

    //debug_view.setText(login_cookie_string);
    Log.d("COOKIE", login_cookie_string);
    cookie_parts = login_cookie_string.split(";");

    for(int t=0;t < cookie_parts.length;t++)
    {
        String[] cookieContent = cookie_parts[t].split("=");
        Cookie login_cookie = new BasicClientCookie(cookieContent[0],cookieContent[1]);
        ((BasicClientCookie) login_cookie).setDomain("mywebsite.com");
        cookieStore.addCookie(login_cookie);
    }

}
((AbstractHttpClient) client).setCookieStore(cookieStore);
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So , this is what I did and it worked for me -

HttpRequestBase request = new HttpGet(uri);
request.addHeader("Cookie", getCookieFromAppCookieManager(uri.toString()));

Now the implmentation for the getCookieFromAppCookieManager is as follows -
The method gets the cookies for a given URL from the application CookieManager. The application CookieManager manages the cookies used by an application's WebView instances.

@param url the URL for which the cookies are requested
@return value the cookies as a string, using the format of the 'Cookie' HTTP request header
@throws MalformedURLException


public static String getCookieFromAppCookieManager(String url) throws MalformedURLException {
    CookieManager cookieManager = CookieManager.getInstance();
    if (cookieManager == null)
        return null;
    String rawCookieHeader = null;
    URL parsedURL = new URL(url);

    // Extract Set-Cookie header value from Android app CookieManager for this URL
    rawCookieHeader = cookieManager.getCookie(parsedURL.getHost());
    if (rawCookieHeader == null)
        return null;
    return rawCookieHeader;
}

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