WIP: yt-login implementation

- Merged manually from PipePipe (f0cb4e33ab (diff-f57d0ffc8afaa16442bbe82ca85dd5c8b7c8f120))

app/src/main/AndroidManifest.xml

@@ -134,6 +134,10 @@
             android:exported="false"
             android:label="@string/recaptcha" />
 
+        <activity android:name=".views.YouTubeLoginWebViewActivity"
+            android:configChanges="orientation|screenSize"
+            android:theme="@style/Theme.AppCompat.NoActionBar" />
+
         <provider
             android:name="androidx.core.content.FileProvider"
             android:authorities="${applicationId}.provider"

app/src/main/java/org/schabi/newpipe/settings/YouTubeAccountSettingsFragment.java

@@ -0,0 +1,52 @@
+package org.schabi.newpipe.settings;
+
+import android.content.Intent;
+import android.os.Bundle;
+import androidx.preference.Preference;
+import org.schabi.newpipe.R;
+import org.schabi.newpipe.views.YouTubeLoginWebViewActivity;
+
+import static android.app.Activity.RESULT_OK;
+
+public class YouTubeAccountSettingsFragment extends BasePreferenceFragment {
+    private static final int REQUEST_LOGIN = 1;
+
+    @Override
+    public void onCreatePreferences(final Bundle savedInstanceState, final String rootKey) {
+        addPreferencesFromResource(R.xml.account_settings_youtube);
+        Preference login = findPreference(getString(R.string.login_key));
+        Preference logout = findPreference(getString(R.string.logout_key));
+        login.setOnPreferenceClickListener(preference -> {
+            // Open a webview to login and then get cookies
+            // and save them to the shared preferences
+            Intent intent = new Intent(this.getContext(), YouTubeLoginWebViewActivity.class);
+            startActivityForResult(intent, REQUEST_LOGIN);
+            return true;
+        });
+        logout.setOnPreferenceClickListener(preference -> {
+            // Clear cookies
+            defaultPreferences.edit().putString(getString(R.string.youtube_cookies_key), "").apply();
+//            defaultPreferences.edit().putString(getString(R.string.youtube_po_token), "").apply();
+            return true;
+        });
+        if (defaultPreferences.getString(getString(R.string.youtube_cookies_key), "").equals("")) {
+            logout.setEnabled(false);
+        } else {
+            login.setEnabled(false);
+        }
+
+//        Preference override_cookies_niconico_value = findPreference(getString(R.string.override_cookies_youtube_value_key));
+//        override_cookies_niconico_value.setEnabled(defaultPreferences.getBoolean(getString(R.string.override_cookies_youtube_key), false));
+    }
+    @Override
+    public void onActivityResult(int requestCode, int resultCode, Intent data) {
+        if (requestCode == REQUEST_LOGIN && resultCode == RESULT_OK) {
+            String cookies = data.getStringExtra("cookies");
+            String pot = data.getStringExtra("pot");
+            // save cookies to shared preferences
+            defaultPreferences.edit().putString(getString(R.string.youtube_cookies_key), cookies).apply();
+//            defaultPreferences.edit().putString(getString(R.string.youtube_po_token), pot).apply();
+        }
+    }
+
+}

app/src/main/java/org/schabi/newpipe/util/ServiceHelper.java

@@ -202,6 +202,12 @@ public final class ServiceHelper {
             final String url = jsonObject.getString("url");
             final PeertubeInstance instance = new PeertubeInstance(url, name);
             ServiceList.PeerTube.setInstance(instance);
+        } else if (serviceId == ServiceList.YouTube.getServiceId()) {
+            final SharedPreferences sharedPreferences = PreferenceManager
+                    .getDefaultSharedPreferences(context);
+            final String tokens = sharedPreferences.getString(context.getString(
+                    R.string.youtube_cookies_key), null);
+            ServiceList.YouTube.setTokens(tokens); 
         }
     }
 

app/src/main/java/org/schabi/newpipe/views/YouTubeLoginWebViewActivity.java

@@ -0,0 +1,82 @@
+package org.schabi.newpipe.views;
+
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.Uri;
+import android.os.Bundle;
+import android.webkit.*;
+import androidx.appcompat.app.AppCompatActivity;
+import org.schabi.newpipe.R;
+
+public class YouTubeLoginWebViewActivity extends AppCompatActivity {
+    WebView webView;
+    String cookies;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.login_webview);
+
+        WebView webView = findViewById(R.id.login_webview);
+        this.webView = webView;
+        WebSettings webSettings = webView.getSettings();
+        webSettings.setJavaScriptEnabled(true);
+        webSettings.setUserAgentString("Mozilla/5.0 (Linux; Android 10; Mobile) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.120 Mobile Safari/537.36");
+
+        webView.setWebViewClient(new MyWebViewClient());
+        webView.loadUrl("https://www.youtube.com/signin");
+    }
+
+    private class MyWebViewClient extends WebViewClient {
+        @Override
+        public void onPageFinished(WebView view, String url) {
+            super.onPageFinished(view, url);
+            if (url.equals("https://m.youtube.com/?noapp=1") || url.equals("https://m.youtube.com/")) {
+                setCookies(CookieManager.getInstance().getCookie(url));
+                webView.loadUrl("https://music.youtube.com/watch?v=09839DpTctU");
+            }
+        }
+
+        @Override
+        public WebResourceResponse shouldInterceptRequest(WebView view, WebResourceRequest request) {
+            String url = request.getUrl().toString();
+            // Filter specific requests
+            if (url.contains("googlevideo.com/videoplayback")) {
+                Uri uri = Uri.parse(url);
+                String pot = uri.getQueryParameter("pot");
+                Intent intent = new Intent();
+                intent.putExtra("cookies", cookies);
+                intent.putExtra("pot", pot);
+                setResult(RESULT_OK, intent);
+                finish();
+            }
+            // Return null to allow the WebView to load the request as usual
+            return null;
+        }
+    }
+
+//    private void showNonDismissableDialog() {
+//        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+//        builder.setTitle(getString(R.string.continue_title));
+//        builder.setMessage(getString(R.string.youtube_login_instruction));
+//        builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
+//            @Override
+//            public void onClick(DialogInterface dialog, int which) {
+//                webView.loadUrl("https://music.youtube.com/watch?v=09839DpTctU");
+//            }
+//        });
+//        AlertDialog dialog = builder.create();
+//        dialog.setCancelable(false); // This makes the dialog non-dismissable
+//        dialog.setCanceledOnTouchOutside(false); // Prevents dismissal when touching outside
+//        dialog.show();
+//    }
+
+    public void setCookies(String cookies) {
+        this.cookies = cookies;
+    }
+
+    public String getCookies() {
+        return cookies;
+    }
+}

app/src/main/res/values/settings_keys.xml

@@ -1526,4 +1526,9 @@
     <string name="return_youtube_dislike_override_like_count_key" translatable="false">return_youtube_dislike_override_like_count</string>
     <string name="return_youtube_dislike_override_view_count_key" translatable="false">return_youtube_dislike_override_view_count</string>
     <string name="return_youtube_dislike_show_dislikes_as_percentage_key" translatable="false">return_youtube_dislike_show_dislikes_as_percentage</string>
+
+    <!-- Merged from PipePipe -->
+    <string name="youtube_cookies_key">youtube_cookies_key</string>
+    <string name="override_cookies_youtube_key">override_cookies_youtube_key</string>
+    <string name="override_cookies_youtube_value_key">override_cookies_youtube_value_key</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -978,4 +978,6 @@
     <string name="return_youtube_dislike_privacy_policy_text">ReturnYouTubeDislike Security FAQ</string>
     <string name="return_youtube_dislike_home_page_url">https://returnyoutubedislike.com/</string>
     <string name="return_youtube_dislike_security_faq_url">https://www.returnyoutubedislike.com/faq/</string>
+    <!-- Merged from PipePipe -->
+    <string name="settings_category_youtube_account_title">YouTube Account</string>
 </resources>

app/src/main/res/xml/account_settings.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+                  xmlns:app="http://schemas.android.com/apk/res-auto"
+                  android:key="general_preferences"
+                  android:title="@string/settings">
+    <PreferenceScreen
+            android:fragment="org.schabi.newpipe.settings.YouTubeAccountSettingsFragment"
+            android:title="YouTube"
+            app:iconSpaceReserved="false" />
+</PreferenceScreen>

app/src/main/res/xml/account_settings_youtube.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+                  xmlns:app="http://schemas.android.com/apk/res-auto"
+                  android:title="@string/settings_category_youtube_account_title">
+    <Preference
+            android:key="@string/login_key"
+            android:summary="@string/login_warning"
+            android:title="@string/login_title"
+            app:singleLineTitle="false"
+            app:iconSpaceReserved="false" />
+    <Preference
+            android:key="@string/logout_key"
+            android:title="@string/logout_title"
+            app:singleLineTitle="false"
+            app:iconSpaceReserved="false" />
+<!--    <SwitchPreferenceCompat-->
+<!--            android:defaultValue="false"-->
+<!--            android:key="@string/override_cookies_youtube_key"-->
+<!--            android:summary="@string/override_cookies_summary"-->
+<!--            android:title="@string/override_cookies_title"-->
+<!--            app:singleLineTitle="false"-->
+<!--            app:iconSpaceReserved="false" />-->
+<!--    <EditTextPreference-->
+<!--            android:defaultValue=""-->
+<!--            android:inputType="text"-->
+<!--            android:key="@string/override_cookies_youtube_value_key"-->
+<!--            android:title="@string/override_cookies_value_title"-->
+<!--            app:singleLineTitle="false"-->
+<!--            app:iconSpaceReserved="false" />-->
+</PreferenceScreen>