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/* | |
* Copyright 2010, Novoda ltd | |
* | |
* Licensed under the Apache License, Version 2.0 (the "License"); | |
* you may not use this file except in compliance with the License. | |
* You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
* | |
*/ | |
import android.content.Context; | |
import android.webkit.WebView; | |
import android.webkit.WebViewClient; | |
/** | |
* The Class OAuthLoginWebHack. | |
*/ | |
public abstract class OAuthLoginWebHack { | |
private WebView view; | |
public void init(Context context) { | |
view = new WebView(context); | |
view.getSettings().setJavaScriptEnabled(true); | |
view.getSettings().setSaveFormData(false); | |
view.getSettings().setSavePassword(false); | |
} | |
public void login(final String username, final String password) { | |
if (view == null) { | |
throw new IllegalStateException("have you called init?"); | |
} | |
view.setWebViewClient(new WebViewClient() { | |
private boolean loggedIn = false; | |
@Override | |
public void onPageFinished(WebView view, String url) { | |
if (loggedIn) { | |
onCallback(url); | |
} | |
view.loadUrl("javascript:document.getElementById(\"" + getLoginDOMID() | |
+ "\").value = '" + username + "'"); | |
view.loadUrl("javascript:document.getElementById(\"" + getPasswordDOMID() | |
+ "\").value = '" + password + "'"); | |
onPreSubmit(view); | |
view.loadUrl("javascript:document.body.getElementsByTagName(\"form\")[" | |
+ getFormIndex() + "].submit()"); | |
loggedIn = true; | |
super.onPageFinished(view, url); | |
} | |
}); | |
view.loadUrl(getOAuthLoginUrl()); | |
} | |
protected abstract void onCallback(String url); | |
/** | |
* Gets the o auth login url. | |
* | |
* @return the o auth login url | |
*/ | |
protected abstract String getOAuthLoginUrl(); | |
/** | |
* Gets the login domid. | |
* | |
* @return the login domid | |
*/ | |
protected abstract String getLoginDOMID(); | |
/** | |
* Gets the password domid. | |
* | |
* @return the password domid | |
*/ | |
protected abstract String getPasswordDOMID(); | |
/** | |
* If we have more then one form in the HTML document, return the index of | |
* the form that submits the login information. | |
* | |
* @return the form index | |
*/ | |
protected int getFormIndex() { | |
return 0; | |
} | |
/** | |
* Gives you a chance to hook into the WebView beform the form is submitted | |
* (i.e. maybe there is a checkbox which needs to be checked) | |
* | |
* @param webkit the webkit | |
*/ | |
protected void onPreSubmit(WebView webkit) { | |
} | |
public void destroy() { | |
view.destroy(); | |
} | |
} |
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