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Merge pull request #4948 from Stypox/fix-crash-startup

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Fix crash on startup when there is no internet connection
This commit is contained in:
Tobias Groza 2020-11-22 14:00:36 +01:00 committed by GitHub
commit c88b4032ef
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 56 additions and 62 deletions
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3
app/src/main/java/org/schabi/newpipe/App.java
View File

@ -8,6 +8,7 @@ import android.os.Build;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.multidex.MultiDexApplication;
import androidx.preference.PreferenceManager;
@ -67,7 +68,7 @@ public class App extends MultiDexApplication {
protected static final String TAG = App.class.toString();
private static App app;
private Disposable disposable = null;
@Nullable private Disposable disposable = null;
@NonNull
public static App getApp() {

87
app/src/main/java/org/schabi/newpipe/CheckForNewAppVersion.java
View File

@ -12,6 +12,7 @@ import android.net.Uri;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.core.app.NotificationCompat;
import androidx.core.app.NotificationManagerCompat;
import androidx.core.content.ContextCompat;
@ -21,13 +22,11 @@ import com.grack.nanojson.JsonObject;
import com.grack.nanojson.JsonParser;
import com.grack.nanojson.JsonParserException;
import org.schabi.newpipe.extractor.exceptions.ReCaptchaException;
import org.schabi.newpipe.report.ErrorActivity;
import org.schabi.newpipe.report.ErrorInfo;
import org.schabi.newpipe.report.UserAction;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
@ -36,10 +35,9 @@ import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import io.reactivex.Observable;
import io.reactivex.Maybe;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.disposables.Disposables;
import io.reactivex.schedulers.Schedulers;
public final class CheckForNewAppVersion {
@ -58,48 +56,43 @@ public final class CheckForNewAppVersion {
* @param application The application
* @return String with the apk's SHA1 fingeprint in hexadecimal
*/
@NonNull
private static String getCertificateSHA1Fingerprint(@NonNull final Application application) {
final PackageManager pm = application.getPackageManager();
final String packageName = application.getPackageName();
final int flags = PackageManager.GET_SIGNATURES;
PackageInfo packageInfo = null;
final PackageInfo packageInfo;
try {
packageInfo = pm.getPackageInfo(packageName, flags);
packageInfo = application.getPackageManager().getPackageInfo(
application.getPackageName(), PackageManager.GET_SIGNATURES);
} catch (final PackageManager.NameNotFoundException e) {
ErrorActivity.reportError(application, e, null, null,
ErrorInfo.make(UserAction.SOMETHING_ELSE, "none",
"Could not find package info", R.string.app_ui_crash));
return "";
}
final X509Certificate c;
try {
final Signature[] signatures = packageInfo.signatures;
final byte[] cert = signatures[0].toByteArray();
final InputStream input = new ByteArrayInputStream(cert);
X509Certificate c = null;
try {
final CertificateFactory cf = CertificateFactory.getInstance("X509");
c = (X509Certificate) cf.generateCertificate(input);
} catch (final CertificateException e) {
ErrorActivity.reportError(application, e, null, null,
ErrorInfo.make(UserAction.SOMETHING_ELSE, "none",
"Certificate error", R.string.app_ui_crash));
return "";
}
String hexString = null;
try {
final MessageDigest md = MessageDigest.getInstance("SHA1");
final byte[] publicKey = md.digest(c.getEncoded());
hexString = byte2HexFormatted(publicKey);
return byte2HexFormatted(publicKey);
} catch (NoSuchAlgorithmException | CertificateEncodingException e) {
ErrorActivity.reportError(application, e, null, null,
ErrorInfo.make(UserAction.SOMETHING_ELSE, "none",
"Could not retrieve SHA1 key", R.string.app_ui_crash));
return "";
}
return hexString;
}
private static String byte2HexFormatted(final byte[] arr) {
@ -164,65 +157,65 @@ public final class CheckForNewAppVersion {
}
private static boolean isConnected(@NonNull final App app) {
final ConnectivityManager cm = ContextCompat.getSystemService(app,
ConnectivityManager.class);
return cm.getActiveNetworkInfo() != null
&& cm.getActiveNetworkInfo().isConnected();
final ConnectivityManager connectivityManager =
ContextCompat.getSystemService(app, ConnectivityManager.class);
return connectivityManager != null && connectivityManager.getActiveNetworkInfo() != null
&& connectivityManager.getActiveNetworkInfo().isConnected();
}
public static boolean isGithubApk(@NonNull final App app) {
return getCertificateSHA1Fingerprint(app).equals(GITHUB_APK_SHA1);
}
@NonNull
@Nullable
public static Disposable checkNewVersion(@NonNull final App app) {
final SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(app);
// Check if user has enabled/disabled update checking
// and if the current apk is a github one or not.
if (!prefs.getBoolean(app.getString(R.string.update_app_key), true)
|| !isGithubApk(app)) {
return Disposables.empty();
if (!prefs.getBoolean(app.getString(R.string.update_app_key), true) || !isGithubApk(app)) {
return null;
}
return Observable.fromCallable(() -> {
return Maybe
.fromCallable(() -> {
if (!isConnected(app)) {
return null;
}
// Make a network request to get latest NewPipe data.
try {
return DownloaderImpl.getInstance().get(NEWPIPE_API_URL).responseBody();
} catch (IOException | ReCaptchaException e) {
// connectivity problems, do not alarm user and fail silently
if (DEBUG) {
Log.w(TAG, Log.getStackTraceString(e));
}
}
return null;
})
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(response -> {
.subscribe(
response -> {
// Parse the json from the response.
if (response != null) {
try {
final JsonObject githubStableObject = JsonParser.object().from(response)
.getObject("flavors").getObject("github").getObject("stable");
final JsonObject githubStableObject = JsonParser.object()
.from(response).getObject("flavors").getObject("github")
.getObject("stable");
final String versionName = githubStableObject.getString("version");
final int versionCode = githubStableObject.getInt("version_code");
final String apkLocationUrl = githubStableObject.getString("apk");
final String versionName = githubStableObject
.getString("version");
final int versionCode = githubStableObject
.getInt("version_code");
final String apkLocationUrl = githubStableObject
.getString("apk");
compareAppVersionAndShowNotification(app, versionName, apkLocationUrl,
versionCode);
compareAppVersionAndShowNotification(app, versionName,
apkLocationUrl, versionCode);
} catch (final JsonParserException e) {
// connectivity problems, do not alarm user and fail silently
if (DEBUG) {
Log.w(TAG, Log.getStackTraceString(e));
Log.w(TAG, "Could not get NewPipe API: invalid json", e);
}
}
},
e -> {
// connectivity problems, do not alarm user and fail silently
if (DEBUG) {
Log.w(TAG, "Could not get NewPipe API: network problem", e);
}
});
}