new year cleanup: restructure messy project

1 files changed, 0 insertions, 230 deletions

diff --git a/app/src/main/java/se/leap/bitmaskclient/utils/ConfigHelper.java b/app/src/main/java/se/leap/bitmaskclient/utils/ConfigHelper.java
deleted file mode 100644
index 5a142d90..00000000
--- a/app/src/main/java/se/leap/bitmaskclient/utils/ConfigHelper.java
+++ /dev/null
@@ -1,230 +0,0 @@
-/**
- * Copyright (c) 2013 LEAP Encryption Access Project and contributers
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-package se.leap.bitmaskclient.utils;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.os.Build;
-import android.os.Looper;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-import androidx.annotation.StringRes;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-import org.spongycastle.util.encoders.Base64;
-
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.math.BigInteger;
-import java.security.KeyFactory;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.security.NoSuchProviderException;
-import java.security.cert.CertificateEncodingException;
-import java.security.cert.CertificateException;
-import java.security.cert.CertificateFactory;
-import java.security.cert.X509Certificate;
-import java.security.interfaces.RSAPrivateKey;
-import java.security.spec.InvalidKeySpecException;
-import java.security.spec.PKCS8EncodedKeySpec;
-import java.util.Calendar;
-
-import se.leap.bitmaskclient.BuildConfig;
-import se.leap.bitmaskclient.ProviderAPI;
-import se.leap.bitmaskclient.R;
-
-import static se.leap.bitmaskclient.Constants.DEFAULT_BITMASK;
-
-/**
- * Stores constants, and implements auxiliary methods used across all Bitmask Android classes.
- * Wraps BuildConfigFields for to support easier unit testing
- *
- * @author parmegv
- * @author MeanderingCode
- */
-public class ConfigHelper {
-    final public static String NG_1024 =
-            "eeaf0ab9adb38dd69c33f80afa8fc5e86072618775ff3c0b9ea2314c9c256576d674df7496ea81d3383b4813d692c6e0e0d5d8e250b98be48e495c1d6089dad15dc7d7b46154d6b6ce8ef4ad69b15d4982559b297bcf1885c529f566660e57ec68edbc3c05726cc02fd4cbf4976eaa9afd5138fe8376435b9fc61d2fc0eb06e3";
-    final public static BigInteger G = new BigInteger("2");
-
-    public static boolean checkErroneousDownload(String downloadedString) {
-        try {
-            if (downloadedString == null || downloadedString.isEmpty() || new JSONObject(downloadedString).has(ProviderAPI.ERRORS) || new JSONObject(downloadedString).has(ProviderAPI.BACKEND_ERROR_KEY)) {
-                return true;
-            } else {
-                return false;
-            }
-        } catch (NullPointerException | JSONException e) {
-            return false;
-        }
-    }
-
-    /**
-     * Treat the input as the MSB representation of a number,
-     * and lop off leading zero elements.  For efficiency, the
-     * input is simply returned if no leading zeroes are found.
-     *
-     * @param in array to be trimmed
-     */
-    public static byte[] trim(byte[] in) {
-        if (in.length == 0 || in[0] != 0)
-            return in;
-
-        int len = in.length;
-        int i = 1;
-        while (in[i] == 0 && i < len)
-            ++i;
-        byte[] ret = new byte[len - i];
-        System.arraycopy(in, i, ret, 0, len - i);
-        return ret;
-    }
-
-    public static X509Certificate parseX509CertificateFromString(String certificateString) {
-        java.security.cert.Certificate certificate = null;
-        CertificateFactory cf;
-        try {
-            cf = CertificateFactory.getInstance("X.509");
-
-            certificateString = certificateString.replaceFirst("-----BEGIN CERTIFICATE-----", "").replaceFirst("-----END CERTIFICATE-----", "").trim();
-            byte[] cert_bytes = Base64.decode(certificateString);
-            InputStream caInput = new ByteArrayInputStream(cert_bytes);
-            try {
-                certificate = cf.generateCertificate(caInput);
-                System.out.println("ca=" + ((X509Certificate) certificate).getSubjectDN());
-            } finally {
-                caInput.close();
-            }
-        } catch (NullPointerException | CertificateException | IOException | IllegalArgumentException e) {
-            return null;
-        }
-        return (X509Certificate) certificate;
-    }
-
-    public static RSAPrivateKey parseRsaKeyFromString(String rsaKeyString) {
-        RSAPrivateKey key;
-        try {
-            KeyFactory kf;
-            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P) {
-                kf = KeyFactory.getInstance("RSA", "BC");
-            } else {
-                kf = KeyFactory.getInstance("RSA");
-            }
-            rsaKeyString = rsaKeyString.replaceFirst("-----BEGIN RSA PRIVATE KEY-----", "").replaceFirst("-----END RSA PRIVATE KEY-----", "");
-            PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(Base64.decode(rsaKeyString));
-            key = (RSAPrivateKey) kf.generatePrivate(keySpec);
-        } catch (InvalidKeySpecException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
-            return null;
-        } catch (NoSuchAlgorithmException e) {
-            // TODO Auto-generated catch block
-            e.printStackTrace();
-            return null;
-        } catch (NullPointerException e) {
-            e.printStackTrace();
-            return null;
-        } catch (NoSuchProviderException e) {
-            e.printStackTrace();
-            return null;
-        }
-
-        return key;
-    }
-
-    private static String byteArrayToHex(byte[] input) {
-        int readBytes = input.length;
-        StringBuffer hexData = new StringBuffer();
-        int onebyte;
-        for (int i = 0; i < readBytes; i++) {
-            onebyte = ((0x000000ff & input[i]) | 0xffffff00);
-            hexData.append(Integer.toHexString(onebyte).substring(6));
-        }
-        return hexData.toString();
-    }
-
-    /**
-     * Calculates the hexadecimal representation of a sha256/sha1 fingerprint of a certificate
-     *
-     * @param certificate
-     * @param encoding
-     * @return
-     * @throws NoSuchAlgorithmException
-     * @throws CertificateEncodingException
-     */
-    @NonNull
-    public static String getFingerprintFromCertificate(X509Certificate certificate, String encoding) throws NoSuchAlgorithmException, CertificateEncodingException /*, UnsupportedEncodingException*/ {
-        byte[] byteArray = MessageDigest.getInstance(encoding).digest(certificate.getEncoded());
-        return byteArrayToHex(byteArray);
-    }
-
-    public static void ensureNotOnMainThread(@NonNull Context context) throws IllegalStateException{
-        Looper looper = Looper.myLooper();
-        if (looper != null && looper == context.getMainLooper()) {
-            throw new IllegalStateException(
-                    "calling this from your main thread can lead to deadlock");
-        }
-    }
-
-    public static boolean isDefaultBitmask() {
-        return BuildConfig.FLAVOR_branding.equals(DEFAULT_BITMASK);
-    }
-
-    public static boolean preferAnonymousUsage() {
-        return BuildConfig.priotize_anonymous_usage;
-    }
-
-    public static int getCurrentTimezone() {
-        return Calendar.getInstance().get(Calendar.ZONE_OFFSET) / 3600000;
-    }
-
-    public static String getProviderFormattedString(Resources resources, @StringRes int resourceId) {
-        String appName = resources.getString(R.string.app_name);
-        return resources.getString(resourceId, appName);
-    }
-
-    public static boolean stringEqual(@Nullable String string1, @Nullable String string2) {
-        return (string1 == null && string2 == null) ||
-                (string1 != null && string1.equals(string2));
-    }
-
-    public static String getApkFileName() {
-        try {
-            return BuildConfig.update_apk_url.substring(BuildConfig.update_apk_url.lastIndexOf("/"));
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
-    public static String getVersionFileName() {
-        try {
-            return BuildConfig.version_file_url.substring(BuildConfig.version_file_url.lastIndexOf("/"));
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
-    public static String getSignatureFileName() {
-        try {
-            return BuildConfig.signature_url.substring(BuildConfig.signature_url.lastIndexOf("/"));
-        } catch (Exception e) {
-            return null;
-        }
-    }
-
-}