mirror of https://github.com/kurisufriend/Clover
Floens
8 years ago
parent
b0271587d7
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9ffe4ec060
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/* |
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* Clover - 4chan browser https://github.com/Floens/Clover/
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* Copyright (C) 2014 Floens |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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package org.floens.chan.ui.captcha; |
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import android.annotation.SuppressLint; |
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import android.content.Context; |
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import android.net.Uri; |
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import android.support.annotation.NonNull; |
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import android.text.TextUtils; |
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import android.util.AttributeSet; |
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import android.webkit.ConsoleMessage; |
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import android.webkit.JavascriptInterface; |
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import android.webkit.WebChromeClient; |
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import android.webkit.WebSettings; |
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import android.webkit.WebView; |
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import android.webkit.WebViewClient; |
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import org.floens.chan.core.site.Authentication; |
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import org.floens.chan.core.site.Site; |
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import org.floens.chan.utils.AndroidUtils; |
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import org.floens.chan.utils.Logger; |
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import java.io.IOException; |
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import okhttp3.Call; |
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import okhttp3.Callback; |
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import okhttp3.OkHttpClient; |
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import okhttp3.Request; |
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import okhttp3.Response; |
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import okhttp3.ResponseBody; |
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/** |
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* It directly loads the captcha2 fallback url into a webview, and on each requests it executes |
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* some javascript that will tell the callback if the token is there. |
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*/ |
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public class CaptchaNojsLayout extends WebView implements AuthenticationLayoutInterface { |
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private static final String TAG = "CaptchaNojsLayout"; |
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private AuthenticationLayoutCallback callback; |
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private String baseUrl; |
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private String siteKey; |
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private OkHttpClient okHttpClient = new OkHttpClient(); |
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private String webviewUserAgent; |
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public CaptchaNojsLayout(Context context) { |
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super(context); |
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} |
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public CaptchaNojsLayout(Context context, AttributeSet attrs) { |
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super(context, attrs); |
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} |
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public CaptchaNojsLayout(Context context, AttributeSet attrs, int defStyle) { |
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super(context, attrs, defStyle); |
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} |
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@SuppressLint({"SetJavaScriptEnabled", "AddJavascriptInterface"}) |
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@Override |
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public void initialize(Site site, AuthenticationLayoutCallback callback) { |
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this.callback = callback; |
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Authentication authentication = site.postAuthenticate(); |
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this.siteKey = authentication.siteKey; |
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this.baseUrl = authentication.baseUrl; |
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requestDisallowInterceptTouchEvent(true); |
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WebSettings settings = getSettings(); |
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settings.setJavaScriptEnabled(true); |
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webviewUserAgent = settings.getUserAgentString(); |
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setWebChromeClient(new WebChromeClient() { |
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@Override |
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public boolean onConsoleMessage(@NonNull ConsoleMessage consoleMessage) { |
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Logger.i(TAG, consoleMessage.lineNumber() + ":" + consoleMessage.message() |
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+ " " + consoleMessage.sourceId()); |
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return true; |
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} |
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}); |
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setWebViewClient(new WebViewClient() { |
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@Override |
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public void onPageFinished(WebView view, String url) { |
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super.onPageFinished(view, url); |
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// Fails if there is no token yet, which is ok.
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final String setResponseJavascript = "CaptchaCallback.onCaptchaEntered(" + |
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"document.querySelector('.fbc-verification-token textarea').value);"; |
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view.loadUrl("javascript:" + setResponseJavascript); |
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} |
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@Override |
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public boolean shouldOverrideUrlLoading(WebView view, String url) { |
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String host = Uri.parse(url).getHost(); |
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if (host == null) { |
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return false; |
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} |
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if (host.equals(Uri.parse(CaptchaNojsLayout.this.baseUrl).getHost())) { |
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return false; |
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} else { |
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AndroidUtils.openLink(url); |
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return true; |
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} |
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} |
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}); |
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setBackgroundColor(0x00000000); |
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addJavascriptInterface(new CaptchaInterface(this), "CaptchaCallback"); |
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} |
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public void reset() { |
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hardReset(); |
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} |
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@Override |
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public void hardReset() { |
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loadRecaptchaAndSetWebViewData(); |
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} |
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private void loadRecaptchaAndSetWebViewData() { |
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final String recaptchaUrl = "https://www.google.com/recaptcha/api/fallback?k=" + siteKey; |
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Request request = new Request.Builder() |
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.url(recaptchaUrl) |
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.header("User-Agent", webviewUserAgent) |
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.header("Referer", baseUrl) |
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.build(); |
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okHttpClient.newCall(request).enqueue(new Callback() { |
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@Override |
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public void onFailure(Call call, IOException e) { |
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} |
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@Override |
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public void onResponse(Call call, Response response) throws IOException { |
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ResponseBody body = response.body(); |
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if (body == null) throw new IOException(); |
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String responseHtml = body.string(); |
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post(() -> { |
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loadDataWithBaseURL(recaptchaUrl, |
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responseHtml, "text/html", "UTF-8", null); |
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}); |
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} |
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}); |
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} |
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private void onCaptchaEntered(String response) { |
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if (TextUtils.isEmpty(response)) { |
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reset(); |
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} else { |
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callback.onAuthenticationComplete(this, null, response); |
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} |
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} |
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public static class CaptchaInterface { |
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private final CaptchaNojsLayout layout; |
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public CaptchaInterface(CaptchaNojsLayout layout) { |
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this.layout = layout; |
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} |
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@JavascriptInterface |
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public void onCaptchaEntered(final String response) { |
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AndroidUtils.runOnUiThread(new Runnable() { |
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@Override |
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public void run() { |
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layout.onCaptchaEntered(response); |
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} |
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}); |
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} |
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} |
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} |
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