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POProgramatically logging in from WebView
 

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    <p>In my Android application I'm using a web view to access some web mapping data provided by a server. The server requires some HTTP form based authentication to allow access to those data. Due to the fact that the site doesn't have a mobile version, displaying the login page (or any other pages) looks pretty bad . Unfortunately the site is hardly into my reach so I've thought of the following approach: </p> <ul> <li>use a native user interface to collect the username and password</li> <li>thought a Http post send those information to the server</li> <li>after the response is received get the cookies the server is sending</li> <li>set the cookies to the the web view</li> <li>try to finally access the desired data</li> </ul> <p>For now I'm just trying to pass the login phase.</p> <p>Is this a viable solution , or is just plain wrong and I should try something else ?</p> <p>For completeness I post the code below </p> <p>A. The authentication part</p> <pre><code> private String authenticate() throws Exception { // Create a new HttpClient and Post Header HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost("http://mySite/login_form"); HttpResponse response = null; BufferedReader in = null; String resultContent = null; try { // Add data List&lt;NameValuePair&gt; nameValuePairs = new ArrayList&lt;NameValuePair&gt;(); nameValuePairs.add(new BasicNameValuePair("came_from", "")); nameValuePairs.add(new BasicNameValuePair("form.submitted", "1")); nameValuePairs.add(new BasicNameValuePair("js_enabled", "0")); nameValuePairs.add(new BasicNameValuePair("cookies_enabled", "")); nameValuePairs.add(new BasicNameValuePair("login_name", "")); nameValuePairs.add(new BasicNameValuePair("pwd_empty", "0")); nameValuePairs.add(new BasicNameValuePair("name", "username")); nameValuePairs.add(new BasicNameValuePair("password", "password")); httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); // Create a local instance of cookie store CookieStore cookieStore = new BasicCookieStore(); // Create local HTTP context HttpContext localContext = new BasicHttpContext(); // Bind custom cookie store to the local context localContext.setAttribute(ClientContext.COOKIE_STORE, cookieStore); // Execute HTTP Post Request response = httpclient.execute(httppost,localContext); in = new BufferedReader(new InputStreamReader(response.getEntity().getContent())); StringBuffer sb = new StringBuffer(""); String line = ""; String NL = System.getProperty("line.separator"); while ((line = in.readLine()) != null) { sb.append(line + NL); } in.close(); resultContent = sb.toString(); Log.i("mytag","result :"+resultContent); cookies = new java.util.ArrayList(); cookies = cookieStore.getCookies(); } catch (ClientProtocolException e) { Log.i("mytag","Client protocol exception"); } catch (IOException e) { Log.i("mytag","IOException"); } catch(Exception e) { Log.i("mytag","Exception"); Log.i("mytag",e.toString()); } return resultContent; } </code></pre> <p>B. Setting the cookies and loading the desired page</p> <pre><code>private void init() { CookieSyncManager.createInstance(this); CookieManager cookieMan= CookieManager.getInstance(); cookieMan.setAcceptCookie(true); cookies = StartupActivity.listAfter; if(cookies != null) { for (int i = 0; i&lt;cookies.size(); i++) { Cookie cookie = cookies.get(i); cookieMan.setCookie("cookie.getDomain()",cookie.getValue()); } } CookieSyncManager.getInstance().sync(); webView = (WebView)findViewById(R.id.web_view); webView.getSettings().setJavaScriptEnabled(true); webView.getSettings().setBuiltInZoomControls(true); webView.setWebViewClient(new HelloWebViewClient()); } protected void onResume() { super.onResume(); // test if the we logged in webView.loadUrl("mySite/myDesiredFeature"); } </code></pre> <p>The results of loading that page is that the login_page form is displayed</p>
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    1. COI would've probably done the same
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