Handle RequestPermisson sdk>23

closes #8536

1 files changed, 377 insertions, 0 deletions

diff --git a/app/src/main/java/de/blinkt/openvpn/core/LogItem.java b/app/src/main/java/de/blinkt/openvpn/core/LogItem.java
new file mode 100644
index 00000000..6aefbb2e
--- /dev/null
+++ b/app/src/main/java/de/blinkt/openvpn/core/LogItem.java
@@ -0,0 +1,377 @@
+/*
+ * Copyright (c) 2012-2016 Arne Schwabe
+ * Distributed under the GNU GPL v2 with additional terms. For full terms see the file doc/LICENSE.txt
+ */
+
+package de.blinkt.openvpn.core;
+
+import android.annotation.SuppressLint;
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.Signature;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.text.TextUtils;
+import android.util.Log;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.UnsupportedEncodingException;
+import java.nio.ByteBuffer;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.CertificateException;
+import java.security.cert.CertificateFactory;
+import java.security.cert.X509Certificate;
+import java.util.Arrays;
+import java.util.FormatFlagsConversionMismatchException;
+import java.util.Locale;
+import java.util.UnknownFormatConversionException;
+
+import se.leap.bitmaskclient.R;
+
+/**
+ * Created by arne on 24.04.16.
+ */
+public class LogItem implements Parcelable {
+    private Object[] mArgs = null;
+    private String mMessage = null;
+    private int mRessourceId;
+    // Default log priority
+    VpnStatus.LogLevel mLevel = VpnStatus.LogLevel.INFO;
+    private long logtime = System.currentTimeMillis();
+    private int mVerbosityLevel = -1;
+
+    private LogItem(int ressourceId, Object[] args) {
+        mRessourceId = ressourceId;
+        mArgs = args;
+    }
+
+    public LogItem(VpnStatus.LogLevel level, int verblevel, String message) {
+        mMessage = message;
+        mLevel = level;
+        mVerbosityLevel = verblevel;
+    }
+
+    @Override
+    public int describeContents() {
+        return 0;
+    }
+
+
+    @Override
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeArray(mArgs);
+        dest.writeString(mMessage);
+        dest.writeInt(mRessourceId);
+        dest.writeInt(mLevel.getInt());
+        dest.writeInt(mVerbosityLevel);
+
+        dest.writeLong(logtime);
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof LogItem))
+            return obj.equals(this);
+        LogItem other = (LogItem) obj;
+
+        return Arrays.equals(mArgs, other.mArgs) &&
+                ((other.mMessage == null && mMessage == other.mMessage) ||
+                        mMessage.equals(other.mMessage)) &&
+                mRessourceId == other.mRessourceId &&
+                ((mLevel == null && other.mLevel == mLevel) ||
+                        other.mLevel.equals(mLevel)) &&
+                mVerbosityLevel == other.mVerbosityLevel &&
+                logtime == other.logtime;
+
+
+    }
+
+    public byte[] getMarschaledBytes() throws UnsupportedEncodingException {
+        ByteBuffer bb = ByteBuffer.allocate(16384);
+
+
+        bb.put((byte) 0x0);               //version
+        bb.putLong(logtime);              //8
+        bb.putInt(mVerbosityLevel);      //4
+        bb.putInt(mLevel.getInt());
+        bb.putInt(mRessourceId);
+        if (mMessage == null || mMessage.length() == 0) {
+            bb.putInt(0);
+        } else {
+            marschalString(mMessage, bb);
+        }
+        if (mArgs == null || mArgs.length == 0) {
+            bb.putInt(0);
+        } else {
+            bb.putInt(mArgs.length);
+            for (Object o : mArgs) {
+                if (o instanceof String) {
+                    bb.putChar('s');
+                    marschalString((String) o, bb);
+                } else if (o instanceof Integer) {
+                    bb.putChar('i');
+                    bb.putInt((Integer) o);
+                } else if (o instanceof Float) {
+                    bb.putChar('f');
+                    bb.putFloat((Float) o);
+                } else if (o instanceof Double) {
+                    bb.putChar('d');
+                    bb.putDouble((Double) o);
+                } else if (o instanceof Long) {
+                    bb.putChar('l');
+                    bb.putLong((Long) o);
+                } else if (o == null) {
+                    bb.putChar('0');
+                } else {
+                    VpnStatus.logDebug("Unknown object for LogItem marschaling " + o);
+                    bb.putChar('s');
+                    marschalString(o.toString(), bb);
+                }
+
+            }
+        }
+
+        int pos = bb.position();
+        bb.rewind();
+        return Arrays.copyOf(bb.array(), pos);
+
+    }
+
+    public LogItem(byte[] in, int length) throws UnsupportedEncodingException {
+        ByteBuffer bb = ByteBuffer.wrap(in, 0, length);
+        bb.get(); // ignore version
+        logtime = bb.getLong();
+        mVerbosityLevel = bb.getInt();
+        mLevel = VpnStatus.LogLevel.getEnumByValue(bb.getInt());
+        mRessourceId = bb.getInt();
+        int len = bb.getInt();
+        if (len == 0) {
+            mMessage = null;
+        } else {
+            if (len > bb.remaining())
+                throw new IndexOutOfBoundsException("String length " + len + " is bigger than remaining bytes " + bb.remaining());
+            byte[] utf8bytes = new byte[len];
+            bb.get(utf8bytes);
+            mMessage = new String(utf8bytes, "UTF-8");
+        }
+        int numArgs = bb.getInt();
+        if (numArgs > 30) {
+            throw new IndexOutOfBoundsException("Too many arguments for Logitem to unmarschal");
+        }
+        if (numArgs == 0) {
+            mArgs = null;
+        } else {
+            mArgs = new Object[numArgs];
+            for (int i = 0; i < numArgs; i++) {
+                char type = bb.getChar();
+                switch (type) {
+                    case 's':
+                        mArgs[i] = unmarschalString(bb);
+                        break;
+                    case 'i':
+                        mArgs[i] = bb.getInt();
+                        break;
+                    case 'd':
+                        mArgs[i] = bb.getDouble();
+                        break;
+                    case 'f':
+                        mArgs[i] = bb.getFloat();
+                        break;
+                    case 'l':
+                        mArgs[i] = bb.getLong();
+                        break;
+                    case '0':
+                        mArgs[i] = null;
+                        break;
+                    default:
+                        throw new UnsupportedEncodingException("Unknown format type: " + type);
+                }
+            }
+        }
+        if (bb.hasRemaining())
+            throw new UnsupportedEncodingException(bb.remaining() + " bytes left after unmarshaling everything");
+    }
+
+    private void marschalString(String str, ByteBuffer bb) throws UnsupportedEncodingException {
+        byte[] utf8bytes = str.getBytes("UTF-8");
+        bb.putInt(utf8bytes.length);
+        bb.put(utf8bytes);
+    }
+
+    private String unmarschalString(ByteBuffer bb) throws UnsupportedEncodingException {
+        int len = bb.getInt();
+        byte[] utf8bytes = new byte[len];
+        bb.get(utf8bytes);
+        return new String(utf8bytes, "UTF-8");
+    }
+
+
+    public LogItem(Parcel in) {
+        mArgs = in.readArray(Object.class.getClassLoader());
+        mMessage = in.readString();
+        mRessourceId = in.readInt();
+        mLevel = VpnStatus.LogLevel.getEnumByValue(in.readInt());
+        mVerbosityLevel = in.readInt();
+        logtime = in.readLong();
+    }
+
+    public static final Creator<LogItem> CREATOR
+            = new Creator<LogItem>() {
+        public LogItem createFromParcel(Parcel in) {
+            return new LogItem(in);
+        }
+
+        public LogItem[] newArray(int size) {
+            return new LogItem[size];
+        }
+    };
+
+    public LogItem(VpnStatus.LogLevel loglevel, int ressourceId, Object... args) {
+        mRessourceId = ressourceId;
+        mArgs = args;
+        mLevel = loglevel;
+    }
+
+
+    public LogItem(VpnStatus.LogLevel loglevel, String msg) {
+        mLevel = loglevel;
+        mMessage = msg;
+    }
+
+
+    public LogItem(VpnStatus.LogLevel loglevel, int ressourceId) {
+        mRessourceId = ressourceId;
+        mLevel = loglevel;
+    }
+
+    public String getString(Context c) {
+        try {
+            if (mMessage != null) {
+                return mMessage;
+            } else {
+                if (c != null) {
+                    if (mRessourceId == R.string.mobile_info)
+                        return getMobileInfoString(c);
+                    if (mArgs == null)
+                        return c.getString(mRessourceId);
+                    else
+                        return c.getString(mRessourceId, mArgs);
+                } else {
+                    String str = String.format(Locale.ENGLISH, "Log (no context) resid %d", mRessourceId);
+                    if (mArgs != null)
+                        str += join("|", mArgs);
+
+                    return str;
+                }
+            }
+        } catch (UnknownFormatConversionException e) {
+            if (c != null)
+                throw new UnknownFormatConversionException(e.getLocalizedMessage() + getString(null));
+            else
+                throw e;
+        } catch (java.util.FormatFlagsConversionMismatchException e) {
+            if (c != null)
+                throw new FormatFlagsConversionMismatchException(e.getLocalizedMessage() + getString(null), e.getConversion());
+            else
+                throw e;
+        }
+
+    }
+
+
+    // TextUtils.join will cause not macked exeception in tests ....
+    public static String join(CharSequence delimiter, Object[] tokens) {
+        StringBuilder sb = new StringBuilder();
+        boolean firstTime = true;
+        for (Object token : tokens) {
+            if (firstTime) {
+                firstTime = false;
+            } else {
+                sb.append(delimiter);
+            }
+            sb.append(token);
+        }
+        return sb.toString();
+    }
+
+
+    public VpnStatus.LogLevel getLogLevel() {
+        return mLevel;
+    }
+
+
+    @Override
+    public String toString() {
+        return getString(null);
+    }
+
+    // The lint is wrong here
+    @SuppressLint("StringFormatMatches")
+    private String getMobileInfoString(Context c) {
+        c.getPackageManager();
+        String apksign = "error getting package signature";
+
+        String version = "error getting version";
+        try {
+            @SuppressLint("PackageManagerGetSignatures")
+            Signature raw = c.getPackageManager().getPackageInfo(c.getPackageName(), PackageManager.GET_SIGNATURES).signatures[0];
+            CertificateFactory cf = CertificateFactory.getInstance("X.509");
+            X509Certificate cert = (X509Certificate) cf.generateCertificate(new ByteArrayInputStream(raw.toByteArray()));
+            MessageDigest md = MessageDigest.getInstance("SHA-1");
+            byte[] der = cert.getEncoded();
+            md.update(der);
+            byte[] digest = md.digest();
+
+            if (Arrays.equals(digest, VpnStatus.officalkey))
+                apksign = c.getString(R.string.official_build);
+            else if (Arrays.equals(digest, VpnStatus.officaldebugkey))
+                apksign = c.getString(R.string.debug_build);
+            else if (Arrays.equals(digest, VpnStatus.amazonkey))
+                apksign = "amazon version";
+            else if (Arrays.equals(digest, VpnStatus.fdroidkey))
+                apksign = "F-Droid built and signed version";
+            else
+                apksign = c.getString(R.string.built_by, cert.getSubjectX500Principal().getName());
+
+            PackageInfo packageinfo = c.getPackageManager().getPackageInfo(c.getPackageName(), 0);
+            version = packageinfo.versionName;
+
+        } catch (PackageManager.NameNotFoundException | CertificateException |
+                NoSuchAlgorithmException ignored) {
+        }
+
+        Object[] argsext = Arrays.copyOf(mArgs, mArgs.length);
+        argsext[argsext.length - 1] = apksign;
+        argsext[argsext.length - 2] = version;
+
+        return c.getString(R.string.mobile_info, argsext);
+
+    }
+
+    public long getLogtime() {
+        return logtime;
+    }
+
+
+    public int getVerbosityLevel() {
+        if (mVerbosityLevel == -1) {
+            // Hack:
+            // For message not from OpenVPN, report the status level as log level
+            return mLevel.getInt();
+        }
+        return mVerbosityLevel;
+    }
+
+    public boolean verify() {
+        if (mLevel == null)
+            return false;
+
+        if (mMessage == null && mRessourceId == 0)
+            return false;
+
+        return true;
+    }
+}