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-rw-r--r--mobile/android/services/src/main/java/org/mozilla/gecko/sync/Utils.java575
1 files changed, 0 insertions, 575 deletions
diff --git a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/Utils.java b/mobile/android/services/src/main/java/org/mozilla/gecko/sync/Utils.java
deleted file mode 100644
index ef8859b4a..000000000
--- a/mobile/android/services/src/main/java/org/mozilla/gecko/sync/Utils.java
+++ /dev/null
@@ -1,575 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-package org.mozilla.gecko.sync;
-
-import java.io.BufferedReader;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.UnsupportedEncodingException;
-import java.math.BigDecimal;
-import java.math.BigInteger;
-import java.net.URLDecoder;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
-import java.security.SecureRandom;
-import java.text.DecimalFormat;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Locale;
-import java.util.Map;
-import java.util.TreeMap;
-import java.util.concurrent.Executor;
-
-import org.json.simple.JSONArray;
-import org.mozilla.apache.commons.codec.binary.Base32;
-import org.mozilla.apache.commons.codec.binary.Base64;
-import org.mozilla.gecko.background.common.log.Logger;
-import org.mozilla.gecko.background.nativecode.NativeCrypto;
-import org.mozilla.gecko.sync.setup.Constants;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.os.Bundle;
-
-public class Utils {
-
- private static final String LOG_TAG = "Utils";
-
- private static final SecureRandom sharedSecureRandom = new SecureRandom();
-
- // See <http://developer.android.com/reference/android/content/Context.html#getSharedPreferences%28java.lang.String,%20int%29>
- public static final int SHARED_PREFERENCES_MODE = 0;
-
- public static String generateGuid() {
- byte[] encodedBytes = Base64.encodeBase64(generateRandomBytes(9), false);
- return new String(encodedBytes).replace("+", "-").replace("/", "_");
- }
-
- /**
- * Helper to generate secure random bytes.
- *
- * @param length
- * Number of bytes to generate.
- */
- public static byte[] generateRandomBytes(int length) {
- byte[] bytes = new byte[length];
- sharedSecureRandom.nextBytes(bytes);
- return bytes;
- }
-
- /**
- * Helper to generate a random integer in a specified range.
- *
- * @param r
- * Generate an integer between 0 and r-1 inclusive.
- */
- public static BigInteger generateBigIntegerLessThan(BigInteger r) {
- int maxBytes = (int) Math.ceil(((double) r.bitLength()) / 8);
- BigInteger randInt = new BigInteger(generateRandomBytes(maxBytes));
- return randInt.mod(r);
- }
-
- /**
- * Helper to convert a byte array to a hex-encoded string
- */
- public static String byte2Hex(final byte[] b) {
- return byte2Hex(b, 2 * b.length);
- }
-
- public static String byte2Hex(final byte[] b, int hexLength) {
- final StringBuilder hs = new StringBuilder(Math.max(2*b.length, hexLength));
- String stmp;
-
- for (int n = 0; n < hexLength - 2*b.length; n++) {
- hs.append("0");
- }
-
- for (int n = 0; n < b.length; n++) {
- stmp = Integer.toHexString(b[n] & 0XFF);
-
- if (stmp.length() == 1) {
- hs.append("0");
- }
- hs.append(stmp);
- }
-
- return hs.toString();
- }
-
- public static byte[] concatAll(byte[] first, byte[]... rest) {
- int totalLength = first.length;
- for (byte[] array : rest) {
- totalLength += array.length;
- }
-
- byte[] result = new byte[totalLength];
- int offset = first.length;
-
- System.arraycopy(first, 0, result, 0, offset);
-
- for (byte[] array : rest) {
- System.arraycopy(array, 0, result, offset, array.length);
- offset += array.length;
- }
- return result;
- }
-
- /**
- * Utility for Base64 decoding. Should ensure that the correct
- * Apache Commons version is used.
- *
- * @param base64
- * An input string. Will be decoded as UTF-8.
- * @return
- * A byte array of decoded values.
- * @throws UnsupportedEncodingException
- * Should not occur.
- */
- public static byte[] decodeBase64(String base64) throws UnsupportedEncodingException {
- return Base64.decodeBase64(base64.getBytes("UTF-8"));
- }
-
- public static byte[] decodeFriendlyBase32(String base32) {
- Base32 converter = new Base32();
- final String translated = base32.replace('8', 'l').replace('9', 'o');
- return converter.decode(translated.toUpperCase(Locale.US));
- }
-
- public static byte[] hex2Byte(String str, int byteLength) {
- byte[] second = hex2Byte(str);
- if (second.length >= byteLength) {
- return second;
- }
- // New Java arrays are zeroed:
- // http://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.12.5
- byte[] first = new byte[byteLength - second.length];
- return Utils.concatAll(first, second);
- }
-
- public static byte[] hex2Byte(String str) {
- if (str.length() % 2 == 1) {
- str = "0" + str;
- }
-
- byte[] bytes = new byte[str.length() / 2];
- for (int i = 0; i < bytes.length; i++) {
- bytes[i] = (byte) Integer.parseInt(str.substring(2 * i, 2 * i + 2), 16);
- }
- return bytes;
- }
-
- public static String millisecondsToDecimalSecondsString(long ms) {
- return millisecondsToDecimalSeconds(ms).toString();
- }
-
- // For dumping into JSON without quotes.
- public static BigDecimal millisecondsToDecimalSeconds(long ms) {
- return new BigDecimal(ms).movePointLeft(3);
- }
-
- // This lives until Bug 708956 lands, and we don't have to do it any more.
- public static long decimalSecondsToMilliseconds(String decimal) {
- try {
- return new BigDecimal(decimal).movePointRight(3).longValue();
- } catch (Exception e) {
- return -1;
- }
- }
-
- // Oh, Java.
- public static long decimalSecondsToMilliseconds(Double decimal) {
- // Truncates towards 0.
- return (long)(decimal * 1000);
- }
-
- public static long decimalSecondsToMilliseconds(Long decimal) {
- return decimal * 1000;
- }
-
- public static long decimalSecondsToMilliseconds(Integer decimal) {
- return (decimal * 1000);
- }
-
- public static byte[] sha256(byte[] in)
- throws NoSuchAlgorithmException {
- MessageDigest sha1 = MessageDigest.getInstance("SHA-256");
- return sha1.digest(in);
- }
-
- protected static byte[] sha1(final String utf8)
- throws NoSuchAlgorithmException, UnsupportedEncodingException {
- final byte[] bytes = utf8.getBytes("UTF-8");
- try {
- return NativeCrypto.sha1(bytes);
- } catch (final LinkageError e) {
- // This will throw UnsatisifiedLinkError (missing mozglue) the first time it is called, and
- // ClassNotDefFoundError, for the uninitialized NativeCrypto class, each subsequent time this
- // is called; LinkageError is their common ancestor.
- Logger.warn(LOG_TAG, "Got throwable stretching password using native sha1 implementation; " +
- "ignoring and using Java implementation.", e);
- final MessageDigest sha1 = MessageDigest.getInstance("SHA-1");
- return sha1.digest(utf8.getBytes("UTF-8"));
- }
- }
-
- protected static String sha1Base32(final String utf8)
- throws NoSuchAlgorithmException, UnsupportedEncodingException {
- return new Base32().encodeAsString(sha1(utf8)).toLowerCase(Locale.US);
- }
-
- /**
- * If we encounter characters not allowed by the API (as found for
- * instance in an email address), hash the value.
- * @param account
- * An account string.
- * @return
- * An acceptable string.
- * @throws UnsupportedEncodingException
- * @throws NoSuchAlgorithmException
- */
- public static String usernameFromAccount(final String account) throws NoSuchAlgorithmException, UnsupportedEncodingException {
- if (account == null || account.equals("")) {
- throw new IllegalArgumentException("No account name provided.");
- }
- if (account.matches("^[A-Za-z0-9._-]+$")) {
- return account.toLowerCase(Locale.US);
- }
- return sha1Base32(account.toLowerCase(Locale.US));
- }
-
- public static SharedPreferences getSharedPreferences(final Context context, final String product, final String username, final String serverURL, final String profile, final long version)
- throws NoSuchAlgorithmException, UnsupportedEncodingException {
- String prefsPath = getPrefsPath(product, username, serverURL, profile, version);
- return context.getSharedPreferences(prefsPath, SHARED_PREFERENCES_MODE);
- }
-
- /**
- * Get shared preferences path for a Sync account.
- *
- * @param product the Firefox Sync product package name (like "org.mozilla.firefox").
- * @param username the Sync account name, optionally encoded with <code>Utils.usernameFromAccount</code>.
- * @param serverURL the Sync account server URL.
- * @param profile the Firefox profile name.
- * @param version the version of preferences to reference.
- * @return the path.
- * @throws NoSuchAlgorithmException
- * @throws UnsupportedEncodingException
- */
- public static String getPrefsPath(final String product, final String username, final String serverURL, final String profile, final long version)
- throws NoSuchAlgorithmException, UnsupportedEncodingException {
- final String encodedAccount = sha1Base32(serverURL + ":" + usernameFromAccount(username));
-
- if (version <= 0) {
- return "sync.prefs." + encodedAccount;
- } else {
- final String sanitizedProduct = product.replace('.', '!').replace(' ', '!');
- return "sync.prefs." + sanitizedProduct + "." + encodedAccount + "." + profile + "." + version;
- }
- }
-
- public static void addToIndexBucketMap(TreeMap<Long, ArrayList<String>> map, long index, String value) {
- ArrayList<String> bucket = map.get(index);
- if (bucket == null) {
- bucket = new ArrayList<String>();
- }
- bucket.add(value);
- map.put(index, bucket);
- }
-
- /**
- * Yes, an equality method that's null-safe.
- */
- private static boolean same(Object a, Object b) {
- if (a == b) {
- return true;
- }
- if (a == null || b == null) {
- return false; // If both null, case above applies.
- }
- return a.equals(b);
- }
-
- /**
- * Return true if the two arrays are both null, or are both arrays
- * containing the same elements in the same order.
- */
- public static boolean sameArrays(JSONArray a, JSONArray b) {
- if (a == b) {
- return true;
- }
- if (a == null || b == null) {
- return false;
- }
- final int size = a.size();
- if (size != b.size()) {
- return false;
- }
- for (int i = 0; i < size; ++i) {
- if (!same(a.get(i), b.get(i))) {
- return false;
- }
- }
- return true;
- }
-
- /**
- * Takes a URI, extracting URI components.
- * @param scheme the URI scheme on which to match.
- */
- @SuppressWarnings("deprecation")
- public static Map<String, String> extractURIComponents(String scheme, String uri) {
- if (uri.indexOf(scheme) != 0) {
- throw new IllegalArgumentException("URI scheme does not match: " + scheme);
- }
-
- // Do this the hard way to avoid taking a large dependency on
- // HttpClient or getting all regex-tastic.
- String components = uri.substring(scheme.length());
- HashMap<String, String> out = new HashMap<String, String>();
- String[] parts = components.split("&");
- for (int i = 0; i < parts.length; ++i) {
- String part = parts[i];
- if (part.length() == 0) {
- continue;
- }
- String[] pair = part.split("=", 2);
- switch (pair.length) {
- case 0:
- continue;
- case 1:
- out.put(URLDecoder.decode(pair[0]), null);
- break;
- case 2:
- out.put(URLDecoder.decode(pair[0]), URLDecoder.decode(pair[1]));
- break;
- }
- }
- return out;
- }
-
- // Because TextUtils.join is not stubbed.
- public static String toDelimitedString(String delimiter, Collection<? extends Object> items) {
- if (items == null || items.size() == 0) {
- return "";
- }
-
- StringBuilder sb = new StringBuilder();
- int i = 0;
- int c = items.size();
- for (Object object : items) {
- sb.append(object.toString());
- if (++i < c) {
- sb.append(delimiter);
- }
- }
- return sb.toString();
- }
-
- public static String toCommaSeparatedString(Collection<? extends Object> items) {
- return toDelimitedString(", ", items);
- }
-
- /**
- * Names of stages to sync: (ALL intersect SYNC) intersect (ALL minus SKIP).
- *
- * @param knownStageNames collection of known stage names (set ALL above).
- * @param toSync set SYNC above, or <code>null</code> to sync all known stages.
- * @param toSkip set SKIP above, or <code>null</code> to not skip any stages.
- * @return stage names.
- */
- public static Collection<String> getStagesToSync(final Collection<String> knownStageNames, Collection<String> toSync, Collection<String> toSkip) {
- if (toSkip == null) {
- toSkip = new HashSet<String>();
- } else {
- toSkip = new HashSet<String>(toSkip);
- }
-
- if (toSync == null) {
- toSync = new HashSet<String>(knownStageNames);
- } else {
- toSync = new HashSet<String>(toSync);
- }
- toSync.retainAll(knownStageNames);
- toSync.removeAll(toSkip);
- return toSync;
- }
-
- /**
- * Get names of stages to sync: (ALL intersect SYNC) intersect (ALL minus SKIP).
- *
- * @param knownStageNames collection of known stage names (set ALL above).
- * @param extras
- * a <code>Bundle</code> instance (possibly null) optionally containing keys
- * <code>EXTRAS_KEY_STAGES_TO_SYNC</code> (set SYNC above) and
- * <code>EXTRAS_KEY_STAGES_TO_SKIP</code> (set SKIP above).
- * @return stage names.
- */
- public static Collection<String> getStagesToSyncFromBundle(final Collection<String> knownStageNames, final Bundle extras) {
- if (extras == null) {
- return knownStageNames;
- }
- String toSyncString = extras.getString(Constants.EXTRAS_KEY_STAGES_TO_SYNC);
- String toSkipString = extras.getString(Constants.EXTRAS_KEY_STAGES_TO_SKIP);
- if (toSyncString == null && toSkipString == null) {
- return knownStageNames;
- }
-
- ArrayList<String> toSync = null;
- ArrayList<String> toSkip = null;
- if (toSyncString != null) {
- try {
- toSync = new ArrayList<String>(new ExtendedJSONObject(toSyncString).keySet());
- } catch (Exception e) {
- Logger.warn(LOG_TAG, "Got exception parsing stages to sync: '" + toSyncString + "'.", e);
- }
- }
- if (toSkipString != null) {
- try {
- toSkip = new ArrayList<String>(new ExtendedJSONObject(toSkipString).keySet());
- } catch (Exception e) {
- Logger.warn(LOG_TAG, "Got exception parsing stages to skip: '" + toSkipString + "'.", e);
- }
- }
-
- Logger.info(LOG_TAG, "Asked to sync '" + Utils.toCommaSeparatedString(toSync) +
- "' and to skip '" + Utils.toCommaSeparatedString(toSkip) + "'.");
- return getStagesToSync(knownStageNames, toSync, toSkip);
- }
-
- /**
- * Put names of stages to sync and to skip into sync extras bundle.
- *
- * @param bundle
- * a <code>Bundle</code> instance (possibly null).
- * @param stagesToSync
- * collection of stage names to sync: key
- * <code>EXTRAS_KEY_STAGES_TO_SYNC</code>; ignored if <code>null</code>.
- * @param stagesToSkip
- * collection of stage names to skip: key
- * <code>EXTRAS_KEY_STAGES_TO_SKIP</code>; ignored if <code>null</code>.
- */
- public static void putStageNamesToSync(final Bundle bundle, final String[] stagesToSync, final String[] stagesToSkip) {
- if (bundle == null) {
- return;
- }
-
- if (stagesToSync != null) {
- ExtendedJSONObject o = new ExtendedJSONObject();
- for (String stageName : stagesToSync) {
- o.put(stageName, 0);
- }
- bundle.putString(Constants.EXTRAS_KEY_STAGES_TO_SYNC, o.toJSONString());
- }
-
- if (stagesToSkip != null) {
- ExtendedJSONObject o = new ExtendedJSONObject();
- for (String stageName : stagesToSkip) {
- o.put(stageName, 0);
- }
- bundle.putString(Constants.EXTRAS_KEY_STAGES_TO_SKIP, o.toJSONString());
- }
- }
-
- /**
- * Read contents of file as a string.
- *
- * @param context Android context.
- * @param filename name of file to read; must not be null.
- * @return <code>String</code> instance.
- */
- public static String readFile(final Context context, final String filename) {
- if (filename == null) {
- throw new IllegalArgumentException("Passed null filename in readFile.");
- }
-
- FileInputStream fis = null;
- InputStreamReader isr = null;
- BufferedReader br = null;
-
- try {
- fis = context.openFileInput(filename);
- isr = new InputStreamReader(fis);
- br = new BufferedReader(isr);
- StringBuilder sb = new StringBuilder();
- String line;
- while ((line = br.readLine()) != null) {
- sb.append(line);
- }
- return sb.toString();
- } catch (Exception e) {
- return null;
- } finally {
- if (isr != null) {
- try {
- isr.close();
- } catch (IOException e) {
- // Ignore.
- }
- }
- if (fis != null) {
- try {
- fis.close();
- } catch (IOException e) {
- // Ignore.
- }
- }
- }
- }
-
- /**
- * Format a duration as a string, like "0.56 seconds".
- *
- * @param startMillis start time in milliseconds.
- * @param endMillis end time in milliseconds.
- * @return formatted string.
- */
- public static String formatDuration(long startMillis, long endMillis) {
- final long duration = endMillis - startMillis;
- return new DecimalFormat("#0.00 seconds").format(((double) duration) / 1000);
- }
-
- /**
- * This will take a string containing a UTF-8 representation of a UTF-8
- * byte array — e.g., "pïgéons1" — and return UTF-8 (e.g., "pïgéons1").
- *
- * This is the format produced by desktop Firefox when exchanging credentials
- * containing non-ASCII characters.
- */
- public static String decodeUTF8(final String in) throws UnsupportedEncodingException {
- final int length = in.length();
- final byte[] asciiBytes = new byte[length];
- for (int i = 0; i < length; ++i) {
- asciiBytes[i] = (byte) in.codePointAt(i);
- }
- return new String(asciiBytes, "UTF-8");
- }
-
- /**
- * Replace "foo@bar.com" with "XXX@XXX.XXX".
- */
- public static String obfuscateEmail(final String in) {
- return in.replaceAll("[^@\\.]", "X");
- }
-
- public static void throwIfNull(Object... objects) {
- for (Object object : objects) {
- if (object == null) {
- throw new IllegalArgumentException("object must not be null");
- }
- }
- }
-
- public static Executor newSynchronousExecutor() {
- return new Executor() {
- @Override
- public void execute(Runnable runnable) {
- runnable.run();
- }
- };
- }
-}