Example usage for android.os Binder getCallingUid

Introduction

In this page you can find the example usage for android.os Binder getCallingUid.

Prototype

public static final native int getCallingUid();

Source Link

Document

Return the Linux uid assigned to the process that sent you the current transaction that is being processed.

Usage

From source file:net.sf.xfd.provider.PublicProvider.java

final boolean checkAccess(Uri uri, String grantMode, String necessaryMode) {
    try {//from ww  w .jav a  2s .  c om
        verifyMac(uri, grantMode, necessaryMode);

        return true;
    } catch (FileNotFoundException fnfe) {
        final Context context = getContext();

        assert context != null;

        ObjectIntMap<String> decisions = null;

        final String caller = getCallingPackage();

        if (!TextUtils.isEmpty(caller)) {
            decisions = accessCache.get(uri.getPath());
            if (decisions == null) {
                decisions = new ObjectIntHashMap<>();
            } else {
                //noinspection SynchronizationOnLocalVariableOrMethodParameter
                synchronized (decisions) {
                    final int decision = decisions.get(caller);

                    switch (decision) {
                    case RESPONSE_ALLOW:
                        return true;
                    }
                }
            }
        }

        final ArrayBlockingQueue<Bundle> queue = new ArrayBlockingQueue<>(1);

        //noinspection RestrictedApi
        final ResultReceiver receiver = new ResultReceiver(new Handler(Looper.getMainLooper())) {
            @Override
            protected void onReceiveResult(int resultCode, Bundle resultData) {
                try {
                    queue.offer(resultData, 4, TimeUnit.SECONDS);
                } catch (InterruptedException ignored) {
                }
            }
        };

        try {
            final Intent intent = authActivityIntent(context);

            if (intent == null)
                return false;

            final Bundle result;

            final CharSequence resolved = base.resolve(uri.getPath());

            // try to ensure, that no more than one dialog can appear at once
            uxLock.lockInterruptibly();
            try {
                context.startActivity(intent.putExtra(EXTRA_MODE, necessaryMode).putExtra(EXTRA_CALLER, caller)
                        .putExtra(EXTRA_UID, Binder.getCallingUid()).putExtra(EXTRA_CALLBACK, receiver)
                        .putExtra(EXTRA_PATH, resolved));

                result = queue.poll(10, TimeUnit.SECONDS);
            } finally {
                uxLock.unlock();
            }

            int decision = RESPONSE_DENY;

            if (result != null) {
                decision = result.getInt(EXTRA_RESPONSE, -1);
            }

            if (decision == RESPONSE_ALLOW) {
                if (decisions != null) {
                    //noinspection SynchronizationOnLocalVariableOrMethodParameter
                    synchronized (decisions) {
                        decisions.put(caller, RESPONSE_ALLOW);

                        accessCache.put(uri.getPath(), decisions);
                    }
                }

                return true;
            }
        } catch (InterruptedException ignored) {
        }
    }

    return false;
}

---

From source file:net.sf.xfd.provider.PublicProvider.java

final void verifyMac(Uri path, String grantMode, String requested) throws FileNotFoundException {
    if (Process.myUid() == Binder.getCallingUid()) {
        return;//  w w  w . j  av a 2  s. co  m
    }

    final int requestedMode = ParcelFileDescriptor.parseMode(requested);

    final String cookie = path.getQueryParameter(URI_ARG_COOKIE);
    final String expiry = path.getQueryParameter(URI_ARG_EXPIRY);

    if (TextUtils.isEmpty(cookie) || TextUtils.isEmpty(expiry)) {
        throw new FileNotFoundException("Invalid uri: MAC and expiry date are missing");
    }

    final long l;
    try {
        l = Long.parseLong(expiry);
    } catch (NumberFormatException nfe) {
        throw new FileNotFoundException("Invalid uri: unable to parse expiry date");
    }

    final Key key = getSalt(getContext());
    if (key == null) {
        throw new FileNotFoundException("Unable to verify hash: failed to produce key");
    }

    final int modeInt = ParcelFileDescriptor.parseMode(grantMode);

    if ((requestedMode & modeInt) != requestedMode) {
        throw new FileNotFoundException("Requested mode " + requested + " but limited to " + grantMode);
    }

    final byte[] encoded;
    final Mac hash;
    try {
        hash = Mac.getInstance("HmacSHA1");
        hash.init(key);

        final byte[] modeBits = new byte[] { (byte) (modeInt >> 24), (byte) (modeInt >> 16),
                (byte) (modeInt >> 8), (byte) modeInt, };
        hash.update(modeBits);

        final byte[] expiryDate = new byte[] { (byte) (l >> 56), (byte) (l >> 48), (byte) (l >> 40),
                (byte) (l >> 32), (byte) (l >> 24), (byte) (l >> 16), (byte) (l >> 8), (byte) l, };
        hash.update(expiryDate);

        encoded = hash.doFinal(path.getPath().getBytes());

        final String sample = Base64.encodeToString(encoded, URL_SAFE | NO_WRAP | NO_PADDING);

        if (!cookie.equals(sample)) {
            throw new FileNotFoundException("Expired uri");
        }
    } catch (NoSuchAlgorithmException e) {
        throw new FileNotFoundException("Unable to verify hash: missing HmacSHA1");
    } catch (InvalidKeyException e) {
        throw new FileNotFoundException("Unable to verify hash: corrupted key?!");
    }
}

---

From source file:com.fututel.db.DBProvider.java

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {

    // Constructs a new query builder and sets its table name
    SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
    String finalSortOrder = sortOrder;
    String[] finalSelectionArgs = selectionArgs;
    String finalGrouping = null;/*from w  w  w. jav  a 2  s  .c  o m*/
    String finalHaving = null;
    int type = URI_MATCHER.match(uri);

    Uri regUri = uri;

    int remoteUid = Binder.getCallingUid();
    int selfUid = android.os.Process.myUid();
    if (remoteUid != selfUid) {
        if (type == ACCOUNTS || type == ACCOUNTS_ID) {
            for (String proj : projection) {
                if (proj.toLowerCase().contains(SipProfile.FIELD_DATA) || proj.toLowerCase().contains("*")) {
                    throw new SecurityException("Password not readable from external apps");
                }
            }
        }
    }

    Cursor c;
    long id;
    switch (type) {
    case ACCOUNTS:
        qb.setTables(SipProfile.ACCOUNTS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipProfile.FIELD_PRIORITY + " ASC";
        }
        break;
    case ACCOUNTS_ID:
        qb.setTables(SipProfile.ACCOUNTS_TABLE_NAME);
        qb.appendWhere(SipProfile.FIELD_ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case CALLLOGS:
        qb.setTables(SipManager.CALLLOGS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = CallLog.Calls.DATE + " DESC";
        }
        break;
    case CALLLOGS_ID:
        qb.setTables(SipManager.CALLLOGS_TABLE_NAME);
        qb.appendWhere(CallLog.Calls._ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case FILTERS:
        qb.setTables(SipManager.FILTERS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = Filter.DEFAULT_ORDER;
        }
        break;
    case FILTERS_ID:
        qb.setTables(SipManager.FILTERS_TABLE_NAME);
        qb.appendWhere(Filter._ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case MESSAGES:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        break;
    case MESSAGES_ID:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        qb.appendWhere(SipMessage.FIELD_ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case THREADS:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        projection = new String[] { "ROWID AS _id", SipMessage.FIELD_FROM, SipMessage.FIELD_FROM_FULL,
                SipMessage.FIELD_TO,
                "CASE " + "WHEN " + SipMessage.FIELD_FROM + "='SELF' THEN " + SipMessage.FIELD_TO + " WHEN "
                        + SipMessage.FIELD_FROM + "!='SELF' THEN " + SipMessage.FIELD_FROM
                        + " END AS message_ordering",
                SipMessage.FIELD_BODY, "MAX(" + SipMessage.FIELD_DATE + ") AS " + SipMessage.FIELD_DATE,
                "MIN(" + SipMessage.FIELD_READ + ") AS " + SipMessage.FIELD_READ,
                //SipMessage.FIELD_READ,
                "COUNT(" + SipMessage.FIELD_DATE + ") AS counter" };
        //qb.appendWhere(SipMessage.FIELD_TYPE + " in (" + SipMessage.MESSAGE_TYPE_INBOX
        //        + "," + SipMessage.MESSAGE_TYPE_SENT + ")");
        finalGrouping = "message_ordering";
        regUri = SipMessage.MESSAGE_URI;
        break;
    case THREADS_ID:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        projection = new String[] { "ROWID AS _id", SipMessage.FIELD_FROM, SipMessage.FIELD_TO,
                SipMessage.FIELD_BODY, SipMessage.FIELD_DATE, SipMessage.FIELD_MIME_TYPE, SipMessage.FIELD_TYPE,
                SipMessage.FIELD_STATUS, SipMessage.FIELD_FROM_FULL };
        qb.appendWhere(MESSAGES_THREAD_SELECTION);
        String from = uri.getLastPathSegment();
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { from, from });
        regUri = SipMessage.MESSAGE_URI;
        break;
    case ACCOUNTS_STATUS:
        synchronized (profilesStatus) {
            ContentValues[] cvs = new ContentValues[profilesStatus.size()];
            int i = 0;
            for (ContentValues ps : profilesStatus.values()) {
                cvs[i] = ps;
                i++;
            }
            c = getCursor(cvs);
        }
        if (c != null) {
            c.setNotificationUri(getContext().getContentResolver(), uri);
        }
        return c;
    case ACCOUNTS_STATUS_ID:
        id = ContentUris.parseId(uri);
        synchronized (profilesStatus) {
            ContentValues cv = profilesStatus.get(id);
            if (cv == null) {
                return null;
            }
            c = getCursor(new ContentValues[] { cv });
        }
        c.setNotificationUri(getContext().getContentResolver(), uri);
        return c;
    default:
        throw new IllegalArgumentException(UNKNOWN_URI_LOG + uri);
    }

    SQLiteDatabase db = mOpenHelper.getReadableDatabase();

    c = qb.query(db, projection, selection, finalSelectionArgs, finalGrouping, finalHaving, finalSortOrder);

    c.setNotificationUri(getContext().getContentResolver(), regUri);
    return c;
}

---

From source file:com.skubit.android.billing.BillingServiceBinder.java

private int validatePackageIsOwnedByCaller(String packageName) {
    String[] packages = mPackageManager.getPackagesForUid(Binder.getCallingUid());
    if (packages != null) {
        for (String pack : packages) {
            if (packageName.equals(pack)) {
                return BillingResponseCodes.RESULT_OK;
            }/*from   w w w.  j av  a2 s  .  c o  m*/
        }
    }
    return BillingResponseCodes.RESULT_DEVELOPER_ERROR;
}

---

From source file:com.sonetel.db.DBProvider.java

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {

    // Constructs a new query builder and sets its table name
    SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
    String finalSortOrder = sortOrder;
    String[] finalSelectionArgs = selectionArgs;
    String finalGrouping = null;/*from  www . ja v a 2s  .  c  o  m*/
    String finalHaving = null;
    int type = URI_MATCHER.match(uri);

    Uri regUri = uri;

    int remoteUid = Binder.getCallingUid();
    int selfUid = android.os.Process.myUid();
    if (remoteUid != selfUid) {
        if (type == ACCOUNTS || type == ACCOUNTS_ID) {
            for (String proj : projection) {
                if (proj.toLowerCase().contains(SipProfile.FIELD_DATA) || proj.toLowerCase().contains("*")) {
                    throw new SecurityException("Password not readable from external apps");
                }
            }
        }
    }

    Cursor c;
    long id;
    switch (type) {
    case ACCOUNTS:
        qb.setTables(SipProfile.ACCOUNTS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipProfile.FIELD_PRIORITY + " ASC";
        }
        break;
    case ACCOUNTS_ID:
        qb.setTables(SipProfile.ACCOUNTS_TABLE_NAME);
        qb.appendWhere(SipProfile.FIELD_ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case CALLLOGS:
        qb.setTables(SipManager.CALLLOGS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = CallLog.Calls.DATE + " DESC";
        }
        break;
    case CALLLOGS_ID:
        qb.setTables(SipManager.CALLLOGS_TABLE_NAME);
        qb.appendWhere(CallLog.Calls._ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case FILTERS:
        qb.setTables(SipManager.FILTERS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = Filter.DEFAULT_ORDER;
        }
        break;
    case FILTERS_ID:
        qb.setTables(SipManager.FILTERS_TABLE_NAME);
        qb.appendWhere(Filter._ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case MESSAGES:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        break;
    case MESSAGES_ID:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        qb.appendWhere(SipMessage.FIELD_ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case THREADS:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        projection = new String[] { "ROWID AS _id", SipMessage.FIELD_FROM, SipMessage.FIELD_FROM_FULL,
                SipMessage.FIELD_TO,
                "CASE " + "WHEN " + SipMessage.FIELD_FROM + "='SELF' THEN " + SipMessage.FIELD_TO + " WHEN "
                        + SipMessage.FIELD_FROM + "!='SELF' THEN " + SipMessage.FIELD_FROM
                        + " END AS message_ordering",
                SipMessage.FIELD_BODY, "MAX(" + SipMessage.FIELD_DATE + ") AS " + SipMessage.FIELD_DATE,
                "MIN(" + SipMessage.FIELD_READ + ") AS " + SipMessage.FIELD_READ,
                //SipMessage.FIELD_READ,
                "COUNT(" + SipMessage.FIELD_DATE + ") AS counter" };
        //qb.appendWhere(SipMessage.FIELD_TYPE + " in (" + SipMessage.MESSAGE_TYPE_INBOX
        //        + "," + SipMessage.MESSAGE_TYPE_SENT + ")");
        finalGrouping = "message_ordering";
        regUri = SipMessage.MESSAGE_URI;
        break;
    case THREADS_ID:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        projection = new String[] { "ROWID AS _id", SipMessage.FIELD_FROM, SipMessage.FIELD_TO,
                SipMessage.FIELD_BODY, SipMessage.FIELD_DATE, SipMessage.FIELD_MIME_TYPE, SipMessage.FIELD_TYPE,
                SipMessage.FIELD_STATUS, SipMessage.FIELD_FROM_FULL };
        qb.appendWhere(MESSAGES_THREAD_SELECTION);
        String from = uri.getLastPathSegment();
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { from, from });
        regUri = SipMessage.MESSAGE_URI;
        break;
    case ACCOUNTS_STATUS:
        synchronized (profilesStatus) {
            ContentValues[] cvs = new ContentValues[profilesStatus.size()];
            int i = 0;
            for (ContentValues ps : profilesStatus.values()) {
                cvs[i] = ps;
                i++;
            }
            c = getCursor(cvs);
        }
        if (c != null) {
            c.setNotificationUri(getContext().getContentResolver(), uri);
        }
        return c;
    case ACCOUNTS_STATUS_ID:
        id = ContentUris.parseId(uri);
        synchronized (profilesStatus) {
            ContentValues cv = profilesStatus.get(id);
            if (cv == null) {
                return null;
            }
            c = getCursor(new ContentValues[] { cv });
        }
        c.setNotificationUri(getContext().getContentResolver(), uri);
        return c;
    case ACCESSNO:
        qb.setTables(SipProfile.ACCESS_NUMS_TABLE_NAME);

        break;
    default:
        throw new IllegalArgumentException(UNKNOWN_URI_LOG + uri);
    }

    SQLiteDatabase db = mOpenHelper.getReadableDatabase();

    c = qb.query(db, projection, selection, finalSelectionArgs, finalGrouping, finalHaving, finalSortOrder);

    c.setNotificationUri(getContext().getContentResolver(), regUri);
    return c;
}

---

From source file:org.mariotaku.twidere.provider.TwidereDataProvider.java

private void checkWritePermission(final int id, final String table) {
    switch (id) {
    case TABLE_ID_ACCOUNTS: {
        // Writing to accounts database is not allowed for third-party
        // applications.
        if (!mPermissionsManager.checkSignature(Binder.getCallingUid()))
            throw new SecurityException(
                    "Writing to accounts database is not allowed for third-party applications");
        break;/*  w  w w.j a v a 2  s.  c  o  m*/
    }
    case TABLE_ID_DIRECT_MESSAGES:
    case TABLE_ID_DIRECT_MESSAGES_INBOX:
    case TABLE_ID_DIRECT_MESSAGES_OUTBOX:
    case TABLE_ID_DIRECT_MESSAGES_CONVERSATION:
    case TABLE_ID_DIRECT_MESSAGES_CONVERSATION_SCREEN_NAME:
    case TABLE_ID_DIRECT_MESSAGES_CONVERSATIONS_ENTRY: {
        if (!checkPermission(PERMISSION_DIRECT_MESSAGES))
            throw new SecurityException(
                    "Access database " + table + " requires level PERMISSION_LEVEL_DIRECT_MESSAGES");
        break;
    }
    case TABLE_ID_STATUSES:
    case TABLE_ID_MENTIONS:
    case TABLE_ID_TABS:
    case TABLE_ID_DRAFTS:
    case TABLE_ID_CACHED_USERS:
    case TABLE_ID_FILTERED_USERS:
    case TABLE_ID_FILTERED_KEYWORDS:
    case TABLE_ID_FILTERED_SOURCES:
    case TABLE_ID_FILTERED_LINKS:
    case TABLE_ID_TRENDS_LOCAL:
    case TABLE_ID_CACHED_STATUSES:
    case TABLE_ID_CACHED_HASHTAGS: {
        if (!checkPermission(PERMISSION_WRITE))
            throw new SecurityException("Access database " + table + " requires level PERMISSION_LEVEL_WRITE");
        break;
    }
    }
}

---

From source file:com.csipsimple.db.DBProvider.java

@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {

    // Constructs a new query builder and sets its table name
    SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
    String finalSortOrder = sortOrder;
    String[] finalSelectionArgs = selectionArgs;
    String finalGrouping = null;/*www .  j  a  v  a 2 s .  c  o  m*/
    String finalHaving = null;
    int type = URI_MATCHER.match(uri);

    Uri regUri = uri;

    // Security check to avoid data retrieval from outside
    int remoteUid = Binder.getCallingUid();
    int selfUid = android.os.Process.myUid();
    if (remoteUid != selfUid) {
        if (type == ACCOUNTS || type == ACCOUNTS_ID) {
            for (String proj : projection) {
                if (proj.toLowerCase().contains(SipProfile.FIELD_DATA) || proj.toLowerCase().contains("*")) {
                    throw new SecurityException("Password not readable from external apps");
                }
            }
        }
    }
    // Security check to avoid project of invalid fields or lazy projection
    List<String> possibles = getPossibleFieldsForType(type);
    if (possibles == null) {
        throw new SecurityException("You are asking wrong values " + type);
    }
    checkProjection(possibles, projection);
    checkSelection(possibles, selection);

    Cursor c;
    long id;
    switch (type) {
    case ACCOUNTS:
        qb.setTables(SipProfile.ACCOUNTS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipProfile.FIELD_PRIORITY + " ASC";
        }
        break;
    case ACCOUNTS_ID:
        qb.setTables(SipProfile.ACCOUNTS_TABLE_NAME);
        qb.appendWhere(SipProfile.FIELD_ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case CALLLOGS:
        qb.setTables(SipManager.CALLLOGS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = CallLog.Calls.DATE + " DESC";
        }
        break;
    case CALLLOGS_ID:
        qb.setTables(SipManager.CALLLOGS_TABLE_NAME);
        qb.appendWhere(CallLog.Calls._ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case FILTERS:
        qb.setTables(SipManager.FILTERS_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = Filter.DEFAULT_ORDER;
        }
        break;
    case FILTERS_ID:
        qb.setTables(SipManager.FILTERS_TABLE_NAME);
        qb.appendWhere(Filter._ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case MESSAGES:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        break;
    case MESSAGES_ID:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        qb.appendWhere(SipMessage.FIELD_ID + "=?");
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { uri.getLastPathSegment() });
        break;
    case THREADS:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        projection = new String[] { "ROWID AS _id", SipMessage.FIELD_FROM, SipMessage.FIELD_FROM_FULL,
                SipMessage.FIELD_TO,
                "CASE " + "WHEN " + SipMessage.FIELD_FROM + "='SELF' THEN " + SipMessage.FIELD_TO + " WHEN "
                        + SipMessage.FIELD_FROM + "!='SELF' THEN " + SipMessage.FIELD_FROM
                        + " END AS message_ordering",
                SipMessage.FIELD_BODY, "MAX(" + SipMessage.FIELD_DATE + ") AS " + SipMessage.FIELD_DATE,
                "MIN(" + SipMessage.FIELD_READ + ") AS " + SipMessage.FIELD_READ,
                //SipMessage.FIELD_READ,
                "COUNT(" + SipMessage.FIELD_DATE + ") AS counter" };
        //qb.appendWhere(SipMessage.FIELD_TYPE + " in (" + SipMessage.MESSAGE_TYPE_INBOX
        //        + "," + SipMessage.MESSAGE_TYPE_SENT + ")");
        finalGrouping = "message_ordering";
        regUri = SipMessage.MESSAGE_URI;
        break;
    case THREADS_ID:
        qb.setTables(SipMessage.MESSAGES_TABLE_NAME);
        if (sortOrder == null) {
            finalSortOrder = SipMessage.FIELD_DATE + " DESC";
        }
        projection = new String[] { "ROWID AS _id", SipMessage.FIELD_FROM, SipMessage.FIELD_TO,
                SipMessage.FIELD_BODY, SipMessage.FIELD_DATE, SipMessage.FIELD_MIME_TYPE, SipMessage.FIELD_TYPE,
                SipMessage.FIELD_STATUS, SipMessage.FIELD_FROM_FULL };
        qb.appendWhere(MESSAGES_THREAD_SELECTION);
        String from = uri.getLastPathSegment();
        finalSelectionArgs = DatabaseUtilsCompat.appendSelectionArgs(selectionArgs,
                new String[] { from, from });
        regUri = SipMessage.MESSAGE_URI;
        break;
    case ACCOUNTS_STATUS:
        synchronized (profilesStatus) {
            ContentValues[] cvs = new ContentValues[profilesStatus.size()];
            int i = 0;
            for (ContentValues ps : profilesStatus.values()) {
                cvs[i] = ps;
                i++;
            }
            c = getCursor(cvs);
        }
        if (c != null) {
            c.setNotificationUri(getContext().getContentResolver(), uri);
        }
        return c;
    case ACCOUNTS_STATUS_ID:
        id = ContentUris.parseId(uri);
        synchronized (profilesStatus) {
            ContentValues cv = profilesStatus.get(id);
            if (cv == null) {
                return null;
            }
            c = getCursor(new ContentValues[] { cv });
        }
        c.setNotificationUri(getContext().getContentResolver(), uri);
        return c;
    default:
        throw new IllegalArgumentException(UNKNOWN_URI_LOG + uri);
    }

    SQLiteDatabase db = mOpenHelper.getReadableDatabase();

    c = qb.query(db, projection, selection, finalSelectionArgs, finalGrouping, finalHaving, finalSortOrder);

    c.setNotificationUri(getContext().getContentResolver(), regUri);
    return c;
}

---

From source file:com.google.android.apps.dashclock.DashClockService.java

private void enforceCallingPermission(String permission) throws SecurityException {
    // We need to check that any of the packages of the caller has
    // the request permission
    final PackageManager pm = getPackageManager();
    try {/*ww  w . ja va2s  .com*/
        String[] packages = pm.getPackagesForUid(Binder.getCallingUid());
        if (packages != null) {
            for (String pkg : packages) {
                PackageInfo pi = pm.getPackageInfo(pkg, PackageManager.GET_PERMISSIONS);
                if (pi.requestedPermissions != null) {
                    for (String requestedPermission : pi.requestedPermissions) {
                        if (requestedPermission.equals(permission)) {
                            // The caller has the request permission
                            return;
                        }
                    }
                }
            }
        }
    } catch (PackageManager.NameNotFoundException ex) {
        // Ignore. Package wasn't found
    }
    throw new SecurityException("Caller doesn't have the request permission \"" + permission + "\"");
}

---

From source file:net.sf.xfd.provider.PublicProvider.java

@Override
public Uri canonicalize(@NonNull Uri uri) {
    try {//from   w ww .ja  va  2  s  .co  m
        base.assertAbsolute(uri);

        String grantMode = uri.getQueryParameter(URI_ARG_MODE);
        if (TextUtils.isEmpty(grantMode)) {
            grantMode = "r";
        }

        verifyMac(uri, grantMode, grantMode);

        final int flags = ParcelFileDescriptor.parseMode(grantMode);

        final Context context = getContext();
        assert context != null;

        final String packageName = context.getPackageName();

        final Uri canon = DocumentsContract.buildDocumentUri(packageName + FileProvider.AUTHORITY_SUFFIX,
                canonString(uri.getPath()));

        final int callerUid = Binder.getCallingUid();

        if (callerUid != Process.myUid()) {
            int grantFlags = Intent.FLAG_GRANT_PERSISTABLE_URI_PERMISSION;

            if ((flags & ParcelFileDescriptor.MODE_READ_ONLY) == flags) {
                grantFlags |= Intent.FLAG_GRANT_READ_URI_PERMISSION;
            } else if ((flags & ParcelFileDescriptor.MODE_WRITE_ONLY) == flags)
                grantFlags |= Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
            else {
                grantFlags |= Intent.FLAG_GRANT_WRITE_URI_PERMISSION;
                grantFlags |= Intent.FLAG_GRANT_READ_URI_PERMISSION;
            }

            final String[] packages;

            final String caller = getCallingPackage();
            if (caller != null) {
                packages = new String[] { caller };
            } else {
                final PackageManager pm = context.getPackageManager();
                packages = pm.getPackagesForUid(callerUid);
            }

            if (packages != null) {
                for (String pkg : packages) {
                    context.grantUriPermission(pkg, canon, grantFlags);
                }
            }
        }

        return canon;
    } catch (FileNotFoundException e) {
        return null;
    }
}

---

From source file:com.android.server.MaybeService.java

private String getCallerPackageName() {
    return mContext.getPackageManager().getNameForUid(Binder.getCallingUid());
}

---

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