diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils')
13 files changed, 1618 insertions, 0 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/CryptoHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/CryptoHelper.java new file mode 100644 index 00000000..115ac190 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/CryptoHelper.java @@ -0,0 +1,124 @@ +package de.thedevstack.conversationsplus.utils; + +import java.security.SecureRandom; +import java.text.Normalizer; +import java.util.Arrays; +import java.util.Collection; +import java.util.Iterator; +import java.util.LinkedHashSet; +import java.util.List; + +import de.thedevstack.conversationsplus.Config; + +public final class CryptoHelper { + public static final String FILETRANSFER = "?FILETRANSFERv1:"; + private final static char[] hexArray = "0123456789abcdef".toCharArray(); + private final static char[] vowels = "aeiou".toCharArray(); + private final static char[] consonants = "bcdfghjklmnpqrstvwxyz".toCharArray(); + final public static byte[] ONE = new byte[] { 0, 0, 0, 1 }; + + public static String bytesToHex(byte[] bytes) { + char[] hexChars = new char[bytes.length * 2]; + for (int j = 0; j < bytes.length; j++) { + int v = bytes[j] & 0xFF; + hexChars[j * 2] = hexArray[v >>> 4]; + hexChars[j * 2 + 1] = hexArray[v & 0x0F]; + } + return new String(hexChars); + } + + public static byte[] hexToBytes(String hexString) { + int len = hexString.length(); + byte[] array = new byte[len / 2]; + for (int i = 0; i < len; i += 2) { + array[i / 2] = (byte) ((Character.digit(hexString.charAt(i), 16) << 4) + Character + .digit(hexString.charAt(i + 1), 16)); + } + return array; + } + + public static String hexToString(final String hexString) { + return new String(hexToBytes(hexString)); + } + + public static byte[] concatenateByteArrays(byte[] a, byte[] b) { + byte[] result = new byte[a.length + b.length]; + System.arraycopy(a, 0, result, 0, a.length); + System.arraycopy(b, 0, result, a.length, b.length); + return result; + } + + public static String randomMucName(SecureRandom random) { + return randomWord(3, random) + "." + randomWord(7, random); + } + + private static String randomWord(int lenght, SecureRandom random) { + StringBuilder builder = new StringBuilder(lenght); + for (int i = 0; i < lenght; ++i) { + if (i % 2 == 0) { + builder.append(consonants[random.nextInt(consonants.length)]); + } else { + builder.append(vowels[random.nextInt(vowels.length)]); + } + } + return builder.toString(); + } + + /** + * Escapes usernames or passwords for SASL. + */ + public static String saslEscape(final String s) { + final StringBuilder sb = new StringBuilder((int) (s.length() * 1.1)); + for (int i = 0; i < s.length(); i++) { + char c = s.charAt(i); + switch (c) { + case ',': + sb.append("=2C"); + break; + case '=': + sb.append("=3D"); + break; + default: + sb.append(c); + break; + } + } + return sb.toString(); + } + + public static String saslPrep(final String s) { + return Normalizer.normalize(s, Normalizer.Form.NFKC); + } + + public static String prettifyFingerprint(String fingerprint) { + StringBuilder builder = new StringBuilder(fingerprint); + builder.insert(8, " "); + builder.insert(17, " "); + builder.insert(26, " "); + builder.insert(35, " "); + return builder.toString(); + } + + public static String[] getOrderedCipherSuites(final String[] platformSupportedCipherSuites) { + final Collection<String> cipherSuites = new LinkedHashSet<>(Arrays.asList(Config.ENABLED_CIPHERS)); + final List<String> platformCiphers = Arrays.asList(platformSupportedCipherSuites); + cipherSuites.retainAll(platformCiphers); + cipherSuites.addAll(platformCiphers); + filterWeakCipherSuites(cipherSuites); + return cipherSuites.toArray(new String[cipherSuites.size()]); + } + + private static void filterWeakCipherSuites(final Collection<String> cipherSuites) { + final Iterator<String> it = cipherSuites.iterator(); + while (it.hasNext()) { + String cipherName = it.next(); + // remove all ciphers with no or very weak encryption or no authentication + for (String weakCipherPattern : Config.WEAK_CIPHER_PATTERNS) { + if (cipherName.contains(weakCipherPattern)) { + it.remove(); + break; + } + } + } + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/DNSHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/DNSHelper.java new file mode 100644 index 00000000..1eedfdfd --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/DNSHelper.java @@ -0,0 +1,183 @@ +package de.thedevstack.conversationsplus.utils; + +import de.measite.minidns.Client; +import de.measite.minidns.DNSMessage; +import de.measite.minidns.Record; +import de.measite.minidns.Record.TYPE; +import de.measite.minidns.Record.CLASS; +import de.measite.minidns.record.SRV; +import de.measite.minidns.record.A; +import de.measite.minidns.record.AAAA; +import de.measite.minidns.record.Data; +import de.measite.minidns.util.NameUtil; +import de.thedevstack.conversationsplus.Config; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; + +import java.io.IOException; +import java.net.InetAddress; +import java.net.SocketTimeoutException; +import java.util.ArrayList; +import java.util.Collections; +import java.util.Random; +import java.util.TreeMap; + +import android.os.Bundle; +import android.util.Log; + +public class DNSHelper { + protected static Client client = new Client(); + + public static Bundle getSRVRecord(final Jid jid) throws IOException { + final String host = jid.getDomainpart(); + String dns[] = client.findDNS(); + + if (dns != null) { + for (String dnsserver : dns) { + InetAddress ip = InetAddress.getByName(dnsserver); + Bundle b = queryDNS(host, ip); + if (b.containsKey("values")) { + return b; + } else if (b.containsKey("error") + && "nosrv".equals(b.getString("error", null))) { + return b; + } + } + } + return queryDNS(host, InetAddress.getByName("8.8.8.8")); + } + + public static Bundle queryDNS(String host, InetAddress dnsServer) { + Bundle bundle = new Bundle(); + try { + String qname = "_xmpp-client._tcp." + host; + Log.d(Config.LOGTAG, + "using dns server: " + dnsServer.getHostAddress() + + " to look up " + host); + DNSMessage message = client.query(qname, TYPE.SRV, CLASS.IN, + dnsServer.getHostAddress()); + + // How should we handle priorities and weight? + // Wikipedia has a nice article about priorities vs. weights: + // https://en.wikipedia.org/wiki/SRV_record#Provisioning_for_high_service_availability + + // we bucket the SRV records based on priority, pick per priority + // a random order respecting the weight, and dump that priority by + // priority + + TreeMap<Integer, ArrayList<SRV>> priorities = new TreeMap<>(); + TreeMap<String, ArrayList<String>> ips4 = new TreeMap<>(); + TreeMap<String, ArrayList<String>> ips6 = new TreeMap<>(); + + for (Record[] rrset : new Record[][] { message.getAnswers(), + message.getAdditionalResourceRecords() }) { + for (Record rr : rrset) { + Data d = rr.getPayload(); + if (d instanceof SRV + && NameUtil.idnEquals(qname, rr.getName())) { + SRV srv = (SRV) d; + if (!priorities.containsKey(srv.getPriority())) { + priorities.put(srv.getPriority(), + new ArrayList<SRV>(2)); + } + priorities.get(srv.getPriority()).add(srv); + } + if (d instanceof A) { + A arecord = (A) d; + if (!ips4.containsKey(rr.getName())) { + ips4.put(rr.getName(), new ArrayList<String>(3)); + } + ips4.get(rr.getName()).add(arecord.toString()); + } + if (d instanceof AAAA) { + AAAA aaaa = (AAAA) d; + if (!ips6.containsKey(rr.getName())) { + ips6.put(rr.getName(), new ArrayList<String>(3)); + } + ips6.get(rr.getName()).add("[" + aaaa.toString() + "]"); + } + } + } + + Random rnd = new Random(); + ArrayList<SRV> result = new ArrayList<>( + priorities.size() * 2 + 1); + for (ArrayList<SRV> s : priorities.values()) { + + // trivial case + if (s.size() <= 1) { + result.addAll(s); + continue; + } + + long totalweight = 0l; + for (SRV srv : s) { + totalweight += srv.getWeight(); + } + + while (totalweight > 0l && s.size() > 0) { + long p = (rnd.nextLong() & 0x7fffffffffffffffl) + % totalweight; + int i = 0; + while (p > 0) { + p -= s.get(i++).getPriority(); + } + i--; + // remove is expensive, but we have only a few entries + // anyway + SRV srv = s.remove(i); + totalweight -= srv.getWeight(); + result.add(srv); + } + + Collections.shuffle(s, rnd); + result.addAll(s); + + } + + if (result.size() == 0) { + bundle.putString("error", "nosrv"); + return bundle; + } + ArrayList<Bundle> values = new ArrayList<>(); + for (SRV srv : result) { + if (ips6.containsKey(srv.getName())) { + values.add(createNamePortBundle(srv.getName(),srv.getPort(),ips6)); + } + if (ips4.containsKey(srv.getName())) { + values.add(createNamePortBundle(srv.getName(),srv.getPort(),ips4)); + } + values.add(createNamePortBundle(srv.getName(),srv.getPort(),null)); + } + bundle.putParcelableArrayList("values", values); + } catch (SocketTimeoutException e) { + bundle.putString("error", "timeout"); + } catch (Exception e) { + bundle.putString("error", "unhandled"); + } + return bundle; + } + + private static Bundle createNamePortBundle(String name, int port, TreeMap<String, ArrayList<String>> ips) { + Bundle namePort = new Bundle(); + namePort.putString("name", name); + namePort.putInt("port", port); + if (ips!=null) { + ArrayList<String> ip = ips.get(name); + Collections.shuffle(ip, new Random()); + namePort.putString("ip", ip.get(0)); + } + return namePort; + } + + final protected static char[] hexArray = "0123456789ABCDEF".toCharArray(); + + public static String bytesToHex(byte[] bytes) { + char[] hexChars = new char[bytes.length * 2]; + for (int j = 0; j < bytes.length; j++) { + int v = bytes[j] & 0xFF; + hexChars[j * 2] = hexArray[v >>> 4]; + hexChars[j * 2 + 1] = hexArray[v & 0x0F]; + } + return new String(hexChars); + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ExceptionHandler.java b/src/main/java/de/thedevstack/conversationsplus/utils/ExceptionHandler.java new file mode 100644 index 00000000..256287f1 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/ExceptionHandler.java @@ -0,0 +1,46 @@ +package de.thedevstack.conversationsplus.utils; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.OutputStream; +import java.io.PrintWriter; +import java.io.StringWriter; +import java.io.Writer; +import java.lang.Thread.UncaughtExceptionHandler; + +import android.content.Context; + +public class ExceptionHandler implements UncaughtExceptionHandler { + + private UncaughtExceptionHandler defaultHandler; + private Context context; + + public ExceptionHandler(Context context) { + this.context = context; + this.defaultHandler = Thread.getDefaultUncaughtExceptionHandler(); + } + + @Override + public void uncaughtException(Thread thread, Throwable ex) { + Writer result = new StringWriter(); + PrintWriter printWriter = new PrintWriter(result); + ex.printStackTrace(printWriter); + String stacktrace = result.toString(); + printWriter.close(); + try { + OutputStream os = context.openFileOutput("stacktrace.txt", + Context.MODE_PRIVATE); + os.write(stacktrace.getBytes()); + os.flush(); + os.close(); + } catch (FileNotFoundException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } catch (IOException e) { + // TODO Auto-generated catch block + e.printStackTrace(); + } + this.defaultHandler.uncaughtException(thread, ex); + } + +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ExceptionHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/ExceptionHelper.java new file mode 100644 index 00000000..492c65d2 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/ExceptionHelper.java @@ -0,0 +1,119 @@ +package de.thedevstack.conversationsplus.utils; + +import java.io.BufferedReader; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStreamReader; +import java.util.List; + +import de.thedevstack.conversationsplus.Config; +import de.thedevstack.conversationsplus.R; +import de.thedevstack.conversationsplus.entities.Account; +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.entities.Message; +import de.thedevstack.conversationsplus.services.XmppConnectionService; +import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.SharedPreferences; +import android.content.DialogInterface.OnClickListener; +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager; +import android.content.pm.PackageManager.NameNotFoundException; +import android.preference.PreferenceManager; +import android.text.format.DateUtils; +import android.util.Log; + +public class ExceptionHelper { + public static void init(Context context) { + if (!(Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler)) { + Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler( + context)); + } + } + + public static void checkForCrash(Context context, + final XmppConnectionService service) { + try { + final SharedPreferences preferences = PreferenceManager + .getDefaultSharedPreferences(context); + boolean neverSend = preferences.getBoolean("never_send", false); + if (neverSend) { + return; + } + List<Account> accounts = service.getAccounts(); + Account account = null; + for (int i = 0; i < accounts.size(); ++i) { + if (!accounts.get(i).isOptionSet(Account.OPTION_DISABLED)) { + account = accounts.get(i); + break; + } + } + if (account == null) { + return; + } + final Account finalAccount = account; + FileInputStream file = context.openFileInput("stacktrace.txt"); + InputStreamReader inputStreamReader = new InputStreamReader(file); + BufferedReader stacktrace = new BufferedReader(inputStreamReader); + final StringBuilder report = new StringBuilder(); + PackageManager pm = context.getPackageManager(); + PackageInfo packageInfo = null; + try { + packageInfo = pm.getPackageInfo(context.getPackageName(), 0); + report.append("Version: " + packageInfo.versionName + '\n'); + report.append("Last Update: " + + DateUtils.formatDateTime(context, + packageInfo.lastUpdateTime, + DateUtils.FORMAT_SHOW_TIME + | DateUtils.FORMAT_SHOW_DATE) + '\n'); + } catch (NameNotFoundException e) { + } + String line; + while ((line = stacktrace.readLine()) != null) { + report.append(line); + report.append('\n'); + } + file.close(); + context.deleteFile("stacktrace.txt"); + AlertDialog.Builder builder = new AlertDialog.Builder(context); + builder.setTitle(context.getString(R.string.crash_report_title)); + builder.setMessage(context.getText(R.string.crash_report_message)); + builder.setPositiveButton(context.getText(R.string.send_now), + new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + + Log.d(Config.LOGTAG, "using account=" + + finalAccount.getJid().toBareJid() + + " to send in stack trace"); + Conversation conversation = null; + try { + conversation = service.findOrCreateConversation(finalAccount, + Jid.fromString("bugs@siacs.eu"), false); + } catch (final InvalidJidException ignored) { + } + Message message = new Message(conversation, report + .toString(), Message.ENCRYPTION_NONE); + service.sendMessage(message); + } + }); + builder.setNegativeButton(context.getText(R.string.send_never), + new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + preferences.edit().putBoolean("never_send", true) + .apply(); + } + }); + builder.create().show(); + } catch (final IOException ignored) { + } + + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/ExifHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/ExifHelper.java new file mode 100644 index 00000000..13aff60d --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/ExifHelper.java @@ -0,0 +1,161 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package de.thedevstack.conversationsplus.utils; + +import android.util.Log; + +import java.io.IOException; +import java.io.InputStream; + +public class ExifHelper { + private static final String TAG = "CameraExif"; + + public static int getOrientation(InputStream is) { + if (is == null) { + return 0; + } + + byte[] buf = new byte[8]; + int length = 0; + + // ISO/IEC 10918-1:1993(E) + while (read(is, buf, 2) && (buf[0] & 0xFF) == 0xFF) { + int marker = buf[1] & 0xFF; + + // Check if the marker is a padding. + if (marker == 0xFF) { + continue; + } + + // Check if the marker is SOI or TEM. + if (marker == 0xD8 || marker == 0x01) { + continue; + } + // Check if the marker is EOI or SOS. + if (marker == 0xD9 || marker == 0xDA) { + return 0; + } + + // Get the length and check if it is reasonable. + if (!read(is, buf, 2)) { + return 0; + } + length = pack(buf, 0, 2, false); + if (length < 2) { + Log.e(TAG, "Invalid length"); + return 0; + } + length -= 2; + + // Break if the marker is EXIF in APP1. + if (marker == 0xE1 && length >= 6) { + if (!read(is, buf, 6)) return 0; + length -= 6; + if (pack(buf, 0, 4, false) == 0x45786966 && + pack(buf, 4, 2, false) == 0) { + break; + } + } + + // Skip other markers. + try { + is.skip(length); + } catch (IOException ex) { + return 0; + } + length = 0; + } + + // JEITA CP-3451 Exif Version 2.2 + if (length > 8) { + int offset = 0; + byte[] jpeg = new byte[length]; + if (!read(is, jpeg, length)) { + return 0; + } + + // Identify the byte order. + int tag = pack(jpeg, offset, 4, false); + if (tag != 0x49492A00 && tag != 0x4D4D002A) { + Log.e(TAG, "Invalid byte order"); + return 0; + } + boolean littleEndian = (tag == 0x49492A00); + + // Get the offset and check if it is reasonable. + int count = pack(jpeg, offset + 4, 4, littleEndian) + 2; + if (count < 10 || count > length) { + Log.e(TAG, "Invalid offset"); + return 0; + } + offset += count; + length -= count; + + // Get the count and go through all the elements. + count = pack(jpeg, offset - 2, 2, littleEndian); + while (count-- > 0 && length >= 12) { + // Get the tag and check if it is orientation. + tag = pack(jpeg, offset, 2, littleEndian); + if (tag == 0x0112) { + // We do not really care about type and count, do we? + int orientation = pack(jpeg, offset + 8, 2, littleEndian); + switch (orientation) { + case 1: + return 0; + case 3: + return 180; + case 6: + return 90; + case 8: + return 270; + } + Log.i(TAG, "Unsupported orientation"); + return 0; + } + offset += 12; + length -= 12; + } + } + + Log.i(TAG, "Orientation not found"); + return 0; + } + + private static int pack(byte[] bytes, int offset, int length, + boolean littleEndian) { + int step = 1; + if (littleEndian) { + offset += length - 1; + step = -1; + } + + int value = 0; + while (length-- > 0) { + value = (value << 8) | (bytes[offset] & 0xFF); + offset += step; + } + return value; + } + + private static boolean read(InputStream is, byte[] buf, int length) { + try { + return is.read(buf, 0, length) == length; + } catch (IOException ex) { + return false; + } + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/GeoHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/GeoHelper.java new file mode 100644 index 00000000..87c16f8c --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/GeoHelper.java @@ -0,0 +1,71 @@ +package de.thedevstack.conversationsplus.utils; + +import android.content.Intent; +import android.net.Uri; + +import java.io.UnsupportedEncodingException; +import java.net.URLEncoder; +import java.util.ArrayList; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.entities.Message; + +public class GeoHelper { + private static Pattern GEO_URI = Pattern.compile("geo:([\\-0-9.]+),([\\-0-9.]+)(?:,([\\-0-9.]+))?(?:\\?(.*))?", Pattern.CASE_INSENSITIVE); + + public static boolean isGeoUri(String body) { + return body != null && GEO_URI.matcher(body).matches(); + } + + public static ArrayList<Intent> createGeoIntentsFromMessage(Message message) { + final ArrayList<Intent> intents = new ArrayList(); + Matcher matcher = GEO_URI.matcher(message.getBody()); + if (!matcher.matches()) { + return intents; + } + double latitude; + double longitude; + try { + latitude = Double.parseDouble(matcher.group(1)); + if (latitude > 90.0 || latitude < -90.0) { + return intents; + } + longitude = Double.parseDouble(matcher.group(2)); + if (longitude > 180.0 || longitude < -180.0) { + return intents; + } + } catch (NumberFormatException nfe) { + return intents; + } + final Conversation conversation = message.getConversation(); + String label; + if (conversation.getMode() == Conversation.MODE_SINGLE && message.getStatus() == Message.STATUS_RECEIVED) { + try { + label = "(" + URLEncoder.encode(message.getConversation().getName(), "UTF-8") + ")"; + } catch (UnsupportedEncodingException e) { + label = ""; + } + } else { + label = ""; + } + + Intent locationPluginIntent = new Intent("eu.siacs.conversations.location.show"); + locationPluginIntent.putExtra("latitude",latitude); + locationPluginIntent.putExtra("longitude",longitude); + if (conversation.getMode() == Conversation.MODE_SINGLE && message.getStatus() == Message.STATUS_RECEIVED) { + locationPluginIntent.putExtra("name",conversation.getName()); + } + intents.add(locationPluginIntent); + + Intent geoIntent = new Intent(Intent.ACTION_VIEW); + geoIntent.setData(Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude) + "?q=" + String.valueOf(latitude) + "," + String.valueOf(longitude) + label)); + intents.add(geoIntent); + + Intent httpIntent = new Intent(Intent.ACTION_VIEW); + httpIntent.setData(Uri.parse("https://maps.google.com/maps?q=loc:"+String.valueOf(latitude) + "," + String.valueOf(longitude) +label)); + intents.add(httpIntent); + return intents; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/OnPhoneContactsLoadedListener.java b/src/main/java/de/thedevstack/conversationsplus/utils/OnPhoneContactsLoadedListener.java new file mode 100644 index 00000000..e701d62b --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/OnPhoneContactsLoadedListener.java @@ -0,0 +1,9 @@ +package de.thedevstack.conversationsplus.utils; + +import java.util.List; + +import android.os.Bundle; + +public interface OnPhoneContactsLoadedListener { + public void onPhoneContactsLoaded(List<Bundle> phoneContacts); +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/PRNGFixes.java b/src/main/java/de/thedevstack/conversationsplus/utils/PRNGFixes.java new file mode 100644 index 00000000..78776aeb --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/PRNGFixes.java @@ -0,0 +1,327 @@ +package de.thedevstack.conversationsplus.utils; + +import android.os.Build; +import android.os.Process; +import android.util.Log; + +import java.io.ByteArrayOutputStream; +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.io.UnsupportedEncodingException; +import java.security.NoSuchAlgorithmException; +import java.security.Provider; +import java.security.SecureRandom; +import java.security.SecureRandomSpi; +import java.security.Security; + +/** + * Fixes for the output of the default PRNG having low entropy. + * + * The fixes need to be applied via {@link #apply()} before any use of Java + * Cryptography Architecture primitives. A good place to invoke them is in the + * application's {@code onCreate}. + */ +public final class PRNGFixes { + + private static final int VERSION_CODE_JELLY_BEAN = 16; + private static final int VERSION_CODE_JELLY_BEAN_MR2 = 18; + private static final byte[] BUILD_FINGERPRINT_AND_DEVICE_SERIAL = getBuildFingerprintAndDeviceSerial(); + + /** Hidden constructor to prevent instantiation. */ + private PRNGFixes() { + } + + /** + * Applies all fixes. + * + * @throws SecurityException + * if a fix is needed but could not be applied. + */ + public static void apply() { + applyOpenSSLFix(); + installLinuxPRNGSecureRandom(); + } + + /** + * Applies the fix for OpenSSL PRNG having low entropy. Does nothing if the + * fix is not needed. + * + * @throws SecurityException + * if the fix is needed but could not be applied. + */ + private static void applyOpenSSLFix() throws SecurityException { + if ((Build.VERSION.SDK_INT < VERSION_CODE_JELLY_BEAN) + || (Build.VERSION.SDK_INT > VERSION_CODE_JELLY_BEAN_MR2)) { + // No need to apply the fix + return; + } + + try { + // Mix in the device- and invocation-specific seed. + Class.forName("org.apache.harmony.xnet.provider.jsse.NativeCrypto") + .getMethod("RAND_seed", byte[].class) + .invoke(null, generateSeed()); + + // Mix output of Linux PRNG into OpenSSL's PRNG + int bytesRead = (Integer) Class + .forName( + "org.apache.harmony.xnet.provider.jsse.NativeCrypto") + .getMethod("RAND_load_file", String.class, long.class) + .invoke(null, "/dev/urandom", 1024); + if (bytesRead != 1024) { + throw new IOException( + "Unexpected number of bytes read from Linux PRNG: " + + bytesRead); + } + } catch (Exception e) { + throw new SecurityException("Failed to seed OpenSSL PRNG", e); + } + } + + /** + * Installs a Linux PRNG-backed {@code SecureRandom} implementation as the + * default. Does nothing if the implementation is already the default or if + * there is not need to install the implementation. + * + * @throws SecurityException + * if the fix is needed but could not be applied. + */ + private static void installLinuxPRNGSecureRandom() throws SecurityException { + if (Build.VERSION.SDK_INT > VERSION_CODE_JELLY_BEAN_MR2) { + // No need to apply the fix + return; + } + + // Install a Linux PRNG-based SecureRandom implementation as the + // default, if not yet installed. + Provider[] secureRandomProviders = Security + .getProviders("SecureRandom.SHA1PRNG"); + if ((secureRandomProviders == null) + || (secureRandomProviders.length < 1) + || (!LinuxPRNGSecureRandomProvider.class + .equals(secureRandomProviders[0].getClass()))) { + Security.insertProviderAt(new LinuxPRNGSecureRandomProvider(), 1); + } + + // Assert that new SecureRandom() and + // SecureRandom.getInstance("SHA1PRNG") return a SecureRandom backed + // by the Linux PRNG-based SecureRandom implementation. + SecureRandom rng1 = new SecureRandom(); + if (!LinuxPRNGSecureRandomProvider.class.equals(rng1.getProvider() + .getClass())) { + throw new SecurityException( + "new SecureRandom() backed by wrong Provider: " + + rng1.getProvider().getClass()); + } + + SecureRandom rng2; + try { + rng2 = SecureRandom.getInstance("SHA1PRNG"); + } catch (NoSuchAlgorithmException e) { + throw new SecurityException("SHA1PRNG not available", e); + } + if (!LinuxPRNGSecureRandomProvider.class.equals(rng2.getProvider() + .getClass())) { + throw new SecurityException( + "SecureRandom.getInstance(\"SHA1PRNG\") backed by wrong" + + " Provider: " + rng2.getProvider().getClass()); + } + } + + /** + * {@code Provider} of {@code SecureRandom} engines which pass through all + * requests to the Linux PRNG. + */ + private static class LinuxPRNGSecureRandomProvider extends Provider { + + public LinuxPRNGSecureRandomProvider() { + super("LinuxPRNG", 1.0, + "A Linux-specific random number provider that uses" + + " /dev/urandom"); + // Although /dev/urandom is not a SHA-1 PRNG, some apps + // explicitly request a SHA1PRNG SecureRandom and we thus need to + // prevent them from getting the default implementation whose output + // may have low entropy. + put("SecureRandom.SHA1PRNG", LinuxPRNGSecureRandom.class.getName()); + put("SecureRandom.SHA1PRNG ImplementedIn", "Software"); + } + } + + /** + * {@link SecureRandomSpi} which passes all requests to the Linux PRNG ( + * {@code /dev/urandom}). + */ + public static class LinuxPRNGSecureRandom extends SecureRandomSpi { + + /* + * IMPLEMENTATION NOTE: Requests to generate bytes and to mix in a seed + * are passed through to the Linux PRNG (/dev/urandom). Instances of + * this class seed themselves by mixing in the current time, PID, UID, + * build fingerprint, and hardware serial number (where available) into + * Linux PRNG. + * + * Concurrency: Read requests to the underlying Linux PRNG are + * serialized (on sLock) to ensure that multiple threads do not get + * duplicated PRNG output. + */ + + private static final File URANDOM_FILE = new File("/dev/urandom"); + + private static final Object sLock = new Object(); + + /** + * Input stream for reading from Linux PRNG or {@code null} if not yet + * opened. + * + * @GuardedBy("sLock") + */ + private static DataInputStream sUrandomIn; + + /** + * Output stream for writing to Linux PRNG or {@code null} if not yet + * opened. + * + * @GuardedBy("sLock") + */ + private static OutputStream sUrandomOut; + + /** + * Whether this engine instance has been seeded. This is needed because + * each instance needs to seed itself if the client does not explicitly + * seed it. + */ + private boolean mSeeded; + + @Override + protected void engineSetSeed(byte[] bytes) { + try { + OutputStream out; + synchronized (sLock) { + out = getUrandomOutputStream(); + } + out.write(bytes); + out.flush(); + } catch (IOException e) { + // On a small fraction of devices /dev/urandom is not writable. + // Log and ignore. + Log.w(PRNGFixes.class.getSimpleName(), + "Failed to mix seed into " + URANDOM_FILE); + } finally { + mSeeded = true; + } + } + + @Override + protected void engineNextBytes(byte[] bytes) { + if (!mSeeded) { + // Mix in the device- and invocation-specific seed. + engineSetSeed(generateSeed()); + } + + try { + DataInputStream in; + synchronized (sLock) { + in = getUrandomInputStream(); + } + synchronized (in) { + in.readFully(bytes); + } + } catch (IOException e) { + throw new SecurityException("Failed to read from " + + URANDOM_FILE, e); + } + } + + @Override + protected byte[] engineGenerateSeed(int size) { + byte[] seed = new byte[size]; + engineNextBytes(seed); + return seed; + } + + private DataInputStream getUrandomInputStream() { + synchronized (sLock) { + if (sUrandomIn == null) { + // NOTE: Consider inserting a BufferedInputStream between + // DataInputStream and FileInputStream if you need higher + // PRNG output performance and can live with future PRNG + // output being pulled into this process prematurely. + try { + sUrandomIn = new DataInputStream(new FileInputStream( + URANDOM_FILE)); + } catch (IOException e) { + throw new SecurityException("Failed to open " + + URANDOM_FILE + " for reading", e); + } + } + return sUrandomIn; + } + } + + private OutputStream getUrandomOutputStream() throws IOException { + synchronized (sLock) { + if (sUrandomOut == null) { + sUrandomOut = new FileOutputStream(URANDOM_FILE); + } + return sUrandomOut; + } + } + } + + /** + * Generates a device- and invocation-specific seed to be mixed into the + * Linux PRNG. + */ + private static byte[] generateSeed() { + try { + ByteArrayOutputStream seedBuffer = new ByteArrayOutputStream(); + DataOutputStream seedBufferOut = new DataOutputStream(seedBuffer); + seedBufferOut.writeLong(System.currentTimeMillis()); + seedBufferOut.writeLong(System.nanoTime()); + seedBufferOut.writeInt(Process.myPid()); + seedBufferOut.writeInt(Process.myUid()); + seedBufferOut.write(BUILD_FINGERPRINT_AND_DEVICE_SERIAL); + seedBufferOut.close(); + return seedBuffer.toByteArray(); + } catch (IOException e) { + throw new SecurityException("Failed to generate seed", e); + } + } + + /** + * Gets the hardware serial number of this device. + * + * @return serial number or {@code null} if not available. + */ + private static String getDeviceSerialNumber() { + // We're using the Reflection API because Build.SERIAL is only available + // since API Level 9 (Gingerbread, Android 2.3). + try { + return (String) Build.class.getField("SERIAL").get(null); + } catch (Exception ignored) { + return null; + } + } + + private static byte[] getBuildFingerprintAndDeviceSerial() { + StringBuilder result = new StringBuilder(); + String fingerprint = Build.FINGERPRINT; + if (fingerprint != null) { + result.append(fingerprint); + } + String serial = getDeviceSerialNumber(); + if (serial != null) { + result.append(serial); + } + try { + return result.toString().getBytes("UTF-8"); + } catch (UnsupportedEncodingException e) { + throw new RuntimeException("UTF-8 encoding not supported"); + } + } +}
\ No newline at end of file diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/PhoneHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/PhoneHelper.java new file mode 100644 index 00000000..b49e2183 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/PhoneHelper.java @@ -0,0 +1,107 @@ +package de.thedevstack.conversationsplus.utils; + +import java.util.List; +import java.util.concurrent.RejectedExecutionException; + +import android.content.Context; +import android.content.CursorLoader; +import android.content.Loader; +import android.content.Loader.OnLoadCompleteListener; +import android.content.pm.PackageManager; +import android.database.Cursor; +import android.net.Uri; +import android.os.Bundle; +import android.provider.ContactsContract; +import android.provider.ContactsContract.Profile; + +public class PhoneHelper { + + public static void loadPhoneContacts(Context context,final List<Bundle> phoneContacts, final OnPhoneContactsLoadedListener listener) { + final String[] PROJECTION = new String[] { ContactsContract.Data._ID, + ContactsContract.Data.DISPLAY_NAME, + ContactsContract.Data.PHOTO_URI, + ContactsContract.Data.LOOKUP_KEY, + ContactsContract.CommonDataKinds.Im.DATA }; + + final String SELECTION = "(" + ContactsContract.Data.MIMETYPE + "=\"" + + ContactsContract.CommonDataKinds.Im.CONTENT_ITEM_TYPE + + "\") AND (" + ContactsContract.CommonDataKinds.Im.PROTOCOL + + "=\"" + ContactsContract.CommonDataKinds.Im.PROTOCOL_JABBER + + "\")"; + + CursorLoader mCursorLoader = new CursorLoader(context, + ContactsContract.Data.CONTENT_URI, PROJECTION, SELECTION, null, + null); + mCursorLoader.registerListener(0, new OnLoadCompleteListener<Cursor>() { + + @Override + public void onLoadComplete(Loader<Cursor> arg0, Cursor cursor) { + if (cursor == null) { + return; + } + while (cursor.moveToNext()) { + Bundle contact = new Bundle(); + contact.putInt("phoneid", cursor.getInt(cursor + .getColumnIndex(ContactsContract.Data._ID))); + contact.putString( + "displayname", + cursor.getString(cursor + .getColumnIndex(ContactsContract.Data.DISPLAY_NAME))); + contact.putString("photouri", cursor.getString(cursor + .getColumnIndex(ContactsContract.Data.PHOTO_URI))); + contact.putString("lookup", cursor.getString(cursor + .getColumnIndex(ContactsContract.Data.LOOKUP_KEY))); + + contact.putString( + "jid", + cursor.getString(cursor + .getColumnIndex(ContactsContract.CommonDataKinds.Im.DATA))); + phoneContacts.add(contact); + } + if (listener != null) { + listener.onPhoneContactsLoaded(phoneContacts); + } + cursor.close(); + } + }); + try { + mCursorLoader.startLoading(); + } catch (RejectedExecutionException e) { + if (listener != null) { + listener.onPhoneContactsLoaded(phoneContacts); + } + } + } + + public static Uri getSefliUri(Context context) { + String[] mProjection = new String[] { Profile._ID, Profile.PHOTO_URI }; + Cursor mProfileCursor = context.getContentResolver().query( + Profile.CONTENT_URI, mProjection, null, null, null); + + if (mProfileCursor == null || mProfileCursor.getCount() == 0) { + return null; + } else { + mProfileCursor.moveToFirst(); + String uri = mProfileCursor.getString(1); + mProfileCursor.close(); + if (uri == null) { + return null; + } else { + return Uri.parse(uri); + } + } + } + + public static String getVersionName(Context context) { + final String packageName = context == null ? null : context.getPackageName(); + if (packageName != null) { + try { + return context.getPackageManager().getPackageInfo(packageName, 0).versionName; + } catch (final PackageManager.NameNotFoundException e) { + return "unknown"; + } + } else { + return "unknown"; + } + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/UIHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/UIHelper.java new file mode 100644 index 00000000..bda3f770 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/UIHelper.java @@ -0,0 +1,366 @@ +package de.thedevstack.conversationsplus.utils; + +import java.net.URLConnection; +import java.util.Calendar; +import java.util.Date; +import java.util.HashMap; +import java.util.Map; +import java.util.Map.Entry; +import java.util.regex.Pattern; +import java.util.regex.Matcher; + +import de.thedevstack.conversationsplus.Config; +import de.thedevstack.conversationsplus.R; +import de.thedevstack.conversationsplus.entities.Contact; +import de.thedevstack.conversationsplus.entities.Conversation; +import de.thedevstack.conversationsplus.entities.Downloadable; +import de.thedevstack.conversationsplus.entities.Message; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; + +import android.content.Context; +import android.text.format.DateFormat; +import android.text.format.DateUtils; +import android.text.Spannable.Factory; +import android.text.style.ImageSpan; +import android.text.Spannable; +import android.util.Pair; + +public class UIHelper { + private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE + | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL; + private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME + | DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE; + + public static String readableTimeDifference(Context context, long time) { + return readableTimeDifference(context, time, false); + } + + public static String readableTimeDifferenceFull(Context context, long time) { + return readableTimeDifference(context, time, true); + } + + private static String readableTimeDifference(Context context, long time, + boolean fullDate) { + if (time == 0) { + return context.getString(R.string.just_now); + } + Date date = new Date(time); + long difference = (System.currentTimeMillis() - time) / 1000; + if (difference < 60) { + return context.getString(R.string.just_now); + } else if (difference < 60 * 2) { + return context.getString(R.string.minute_ago); + } else if (difference < 60 * 15) { + return context.getString(R.string.minutes_ago, + Math.round(difference / 60.0)); + } else if (today(date)) { + java.text.DateFormat df = DateFormat.getTimeFormat(context); + return df.format(date); + } else { + if (fullDate) { + return DateUtils.formatDateTime(context, date.getTime(), + FULL_DATE_FLAGS); + } else { + return DateUtils.formatDateTime(context, date.getTime(), + SHORT_DATE_FLAGS); + } + } + } + + private static boolean today(Date date) { + return sameDay(date,new Date(System.currentTimeMillis())); + } + + public static boolean sameDay(long timestamp1, long timestamp2) { + return sameDay(new Date(timestamp1),new Date(timestamp2)); + } + + private static boolean sameDay(Date a, Date b) { + Calendar cal1 = Calendar.getInstance(); + Calendar cal2 = Calendar.getInstance(); + cal1.setTime(a); + cal2.setTime(b); + return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR) + && cal1.get(Calendar.DAY_OF_YEAR) == cal2 + .get(Calendar.DAY_OF_YEAR); + } + + public static String lastseen(Context context, long time) { + if (time == 0) { + return context.getString(R.string.never_seen); + } + long difference = (System.currentTimeMillis() - time) / 1000; + if (difference < 60) { + return context.getString(R.string.last_seen_now); + } else if (difference < 60 * 2) { + return context.getString(R.string.last_seen_min); + } else if (difference < 60 * 60) { + return context.getString(R.string.last_seen_mins, + Math.round(difference / 60.0)); + } else if (difference < 60 * 60 * 2) { + return context.getString(R.string.last_seen_hour); + } else if (difference < 60 * 60 * 24) { + return context.getString(R.string.last_seen_hours, + Math.round(difference / (60.0 * 60.0))); + } else if (difference < 60 * 60 * 48) { + return context.getString(R.string.last_seen_day); + } else { + return context.getString(R.string.last_seen_days, + Math.round(difference / (60.0 * 60.0 * 24.0))); + } + } + + public static final Map<Pattern, Integer> ANDROID_EMOTICONS = new HashMap<Pattern, Integer>(); + + private static final Factory spannableFactory = Spannable.Factory + .getInstance(); + + static { + addPattern(ANDROID_EMOTICONS, ":)", R.drawable.emo_im_happy); + addPattern(ANDROID_EMOTICONS, ":-)", R.drawable.emo_im_happy); + addPattern(ANDROID_EMOTICONS, ":(", R.drawable.emo_im_sad); + addPattern(ANDROID_EMOTICONS, ":-(", R.drawable.emo_im_sad); + addPattern(ANDROID_EMOTICONS, ";)", R.drawable.emo_im_winking); + addPattern(ANDROID_EMOTICONS, ";-)", R.drawable.emo_im_winking); + addPattern(ANDROID_EMOTICONS, ":P", + R.drawable.emo_im_tongue_sticking_out); + addPattern(ANDROID_EMOTICONS, ":-P", + R.drawable.emo_im_tongue_sticking_out); + addPattern(ANDROID_EMOTICONS, "=-O", R.drawable.emo_im_surprised); + addPattern(ANDROID_EMOTICONS, ":*", R.drawable.emo_im_kissing); + addPattern(ANDROID_EMOTICONS, ":-*", R.drawable.emo_im_kissing); + addPattern(ANDROID_EMOTICONS, ":O", R.drawable.emo_im_wtf); + addPattern(ANDROID_EMOTICONS, ":-O", R.drawable.emo_im_wtf); + addPattern(ANDROID_EMOTICONS, "B)", R.drawable.emo_im_cool); + addPattern(ANDROID_EMOTICONS, "B-)", R.drawable.emo_im_cool); + addPattern(ANDROID_EMOTICONS, "8)", R.drawable.emo_im_cool); + addPattern(ANDROID_EMOTICONS, "8-)", R.drawable.emo_im_cool); + addPattern(ANDROID_EMOTICONS, ":$", R.drawable.emo_im_money_mouth); + addPattern(ANDROID_EMOTICONS, ":-$", R.drawable.emo_im_money_mouth); + addPattern(ANDROID_EMOTICONS, ":-!", R.drawable.emo_im_foot_in_mouth); + addPattern(ANDROID_EMOTICONS, ":-[", R.drawable.emo_im_embarrassed); + addPattern(ANDROID_EMOTICONS, "O:)", R.drawable.emo_im_angel); + addPattern(ANDROID_EMOTICONS, "O:-)", R.drawable.emo_im_angel); + addPattern(ANDROID_EMOTICONS, ":\\", R.drawable.emo_im_undecided); + addPattern(ANDROID_EMOTICONS, ":-\\", R.drawable.emo_im_undecided); + addPattern(ANDROID_EMOTICONS, ":'(", R.drawable.emo_im_crying); + addPattern(ANDROID_EMOTICONS, ":D", R.drawable.emo_im_laughing); + addPattern(ANDROID_EMOTICONS, ":-D", R.drawable.emo_im_laughing); + addPattern(ANDROID_EMOTICONS, "O_o", R.drawable.emo_im_wtf); + addPattern(ANDROID_EMOTICONS, "o_O", R.drawable.emo_im_wtf); + addPattern(ANDROID_EMOTICONS, ">:O", R.drawable.emo_im_yelling); + addPattern(ANDROID_EMOTICONS, ">:0", R.drawable.emo_im_yelling); + addPattern(ANDROID_EMOTICONS, ":S", R.drawable.emo_im_lips_are_sealed); + addPattern(ANDROID_EMOTICONS, ":-S", R.drawable.emo_im_lips_are_sealed); + addPattern(ANDROID_EMOTICONS, "<3", R.drawable.emo_im_heart); + } + + private static void addPattern(Map<Pattern, Integer> map, String smile, + int resource) { + map.put(Pattern.compile(Pattern.quote(smile)), resource); + } + + private static boolean getSmiledText(Context context, Spannable spannable) { + boolean hasChanges = false; + Map<Pattern, Integer> emoticons = ANDROID_EMOTICONS; + for (Entry<Pattern, Integer> entry : emoticons.entrySet()) { + Matcher matcher = entry.getKey().matcher(spannable); + while (matcher.find()) { + boolean set = true; + for (ImageSpan span : spannable.getSpans(matcher.start(), + matcher.end(), ImageSpan.class)) + if (spannable.getSpanStart(span) >= matcher.start() + && spannable.getSpanEnd(span) <= matcher.end()) + spannable.removeSpan(span); + else { + set = false; + break; + } + if (set) { + spannable.setSpan(new ImageSpan(context, entry.getValue()), + matcher.start(), matcher.end(), + Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); + hasChanges = true; + } + } + } + return hasChanges; + } + + private final static class EmoticonPattern { + Pattern pattern; + String replacement; + + EmoticonPattern(String ascii, int unicode) { + this.pattern = Pattern.compile("(?<=(^|\\s))" + ascii + + "(?=(\\s|$))"); + this.replacement = new String(new int[] { unicode, }, 0, 1); + } + + String replaceAll(String body) { + return pattern.matcher(body).replaceAll(replacement); + } + } + + private static final EmoticonPattern[] patterns = new EmoticonPattern[] { + new EmoticonPattern(":-?D", 0x1f600), + new EmoticonPattern("\\^\\^", 0x1f601), + new EmoticonPattern(":'D", 0x1f602), + new EmoticonPattern("\\]-?D", 0x1f608), + new EmoticonPattern(";-?\\)", 0x1f609), + new EmoticonPattern(":-?\\)", 0x1f60a), + new EmoticonPattern("[B8]-?\\)", 0x1f60e), + new EmoticonPattern(":-?\\|", 0x1f610), + new EmoticonPattern(":-?[/\\\\]", 0x1f615), + new EmoticonPattern(":-?\\*", 0x1f617), + new EmoticonPattern(":-?[Ppb]", 0x1f61b), + new EmoticonPattern(":-?\\(", 0x1f61e), + new EmoticonPattern(":-?[0Oo]", 0x1f62e), + new EmoticonPattern("\\\\o/", 0x1F631), }; + + public static String transformAsciiEmoticonsToUtf8(String body) { + if (body != null) { + for (EmoticonPattern p : patterns) { + body = p.replaceAll(body); + } + } + return body; + } + + public static Spannable transformAsciiEmoticons(Context context, String body) { + Spannable spannable; + if (Config.UTF8_EMOTICONS) { + spannable = spannableFactory.newSpannable(transformAsciiEmoticonsToUtf8(body)); + } + else { + spannable = spannableFactory.newSpannable(body); + getSmiledText(context, spannable); + } + return spannable; + } + + public static int getColorForName(String name) { + if (name.isEmpty()) { + return 0xFF202020; + } + int colors[] = {0xFFe91e63, 0xFF9c27b0, 0xFF673ab7, 0xFF3f51b5, + 0xFF5677fc, 0xFF03a9f4, 0xFF00bcd4, 0xFF009688, 0xFFff5722, + 0xFF795548, 0xFF607d8b}; + return colors[(int) ((name.hashCode() & 0xffffffffl) % colors.length)]; + } + + public static Pair<String,Boolean> getMessagePreview(final Context context, final Message message) { + final Downloadable d = message.getDownloadable(); + if (d != null ) { + switch (d.getStatus()) { + case Downloadable.STATUS_CHECKING: + return new Pair<>(context.getString(R.string.checking_image),true); + case Downloadable.STATUS_DOWNLOADING: + return new Pair<>(context.getString(R.string.receiving_x_file, + getFileDescriptionString(context,message), + d.getProgress()),true); + case Downloadable.STATUS_OFFER: + case Downloadable.STATUS_OFFER_CHECK_FILESIZE: + return new Pair<>(context.getString(R.string.x_file_offered_for_download, + getFileDescriptionString(context,message)),true); + case Downloadable.STATUS_DELETED: + return new Pair<>(context.getString(R.string.file_deleted),true); + case Downloadable.STATUS_FAILED: + return new Pair<>(context.getString(R.string.file_transmission_failed),true); + case Downloadable.STATUS_UPLOADING: + if (message.getStatus() == Message.STATUS_OFFERED) { + return new Pair<>(context.getString(R.string.offering_x_file, + getFileDescriptionString(context, message)), true); + } else { + return new Pair<>(context.getString(R.string.sending_x_file, + getFileDescriptionString(context, message)), true); + } + default: + return new Pair<>("",false); + } + } else if (message.getEncryption() == Message.ENCRYPTION_PGP) { + return new Pair<>(context.getString(R.string.encrypted_message_received),true); + } else if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) { + if (message.getStatus() == Message.STATUS_RECEIVED) { + return new Pair<>(context.getString(R.string.received_x_file, + getFileDescriptionString(context, message)), true); + } else { + return new Pair<>(getFileDescriptionString(context,message),true); + } + } else { + if (message.getBody().startsWith(Message.ME_COMMAND)) { + return new Pair<>(message.getBody().replaceAll("^" + Message.ME_COMMAND, + UIHelper.getMessageDisplayName(message) + " "), false); + } else if (GeoHelper.isGeoUri(message.getBody())) { + if (message.getStatus() == Message.STATUS_RECEIVED) { + return new Pair<>(context.getString(R.string.received_location),true); + } else { + return new Pair<>(context.getString(R.string.location), true); + } + } else{ + return new Pair<>(message.getBody(), false); + } + } + } + + public static String getFileDescriptionString(final Context context, final Message message) { + if (message.getType() == Message.TYPE_IMAGE) { + return context.getString(R.string.image); + } + final String path = message.getRelativeFilePath(); + if (path == null) { + return ""; + } + final String mime; + try { + mime = URLConnection.guessContentTypeFromName(path.replace("#","")); + } catch (final StringIndexOutOfBoundsException ignored) { + return context.getString(R.string.file); + } + if (mime == null) { + return context.getString(R.string.file); + } else if (mime.startsWith("audio/")) { + return context.getString(R.string.audio); + } else if(mime.startsWith("video/")) { + return context.getString(R.string.video); + } else if (mime.startsWith("image/")) { + return context.getString(R.string.image); + } else if (mime.contains("pdf")) { + return context.getString(R.string.pdf_document) ; + } else if (mime.contains("application/vnd.android.package-archive")) { + return context.getString(R.string.apk) ; + } else if (mime.contains("vcard")) { + return context.getString(R.string.vcard) ; + } else { + return mime; + } + } + + public static String getMessageDisplayName(final Message message) { + if (message.getStatus() == Message.STATUS_RECEIVED) { + if (message.getConversation().getMode() == Conversation.MODE_MULTI) { + return getDisplayedMucCounterpart(message.getCounterpart()); + } else { + final Contact contact = message.getContact(); + return contact != null ? contact.getDisplayName() : ""; + } + } else { + if (message.getConversation().getMode() == Conversation.MODE_MULTI) { + return getDisplayedMucCounterpart(message.getConversation().getJid()); + } else { + final Jid jid = message.getConversation().getAccount().getJid(); + return jid.hasLocalpart() ? jid.getLocalpart() : jid.toDomainJid().toString(); + } + } + } + + private static String getDisplayedMucCounterpart(final Jid counterpart) { + if (counterpart==null) { + return ""; + } else if (!counterpart.isBareJid()) { + return counterpart.getResourcepart().trim(); + } else { + return counterpart.toString().trim(); + } + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/XmlHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/XmlHelper.java new file mode 100644 index 00000000..1287f73f --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/XmlHelper.java @@ -0,0 +1,12 @@ +package de.thedevstack.conversationsplus.utils; + +public class XmlHelper { + public static String encodeEntities(String content) { + content = content.replace("&", "&"); + content = content.replace("<", "<"); + content = content.replace(">", ">"); + content = content.replace("\"", """); + content = content.replace("'", "'"); + return content; + } +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/Xmlns.java b/src/main/java/de/thedevstack/conversationsplus/utils/Xmlns.java new file mode 100644 index 00000000..80718dec --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/Xmlns.java @@ -0,0 +1,8 @@ +package de.thedevstack.conversationsplus.utils; + +public final class Xmlns { + public static final String BLOCKING = "urn:xmpp:blocking"; + public static final String ROSTER = "jabber:iq:roster"; + public static final String REGISTER = "jabber:iq:register"; + public static final String BYTE_STREAMS = "http://jabber.org/protocol/bytestreams"; +} diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/XmppUri.java b/src/main/java/de/thedevstack/conversationsplus/utils/XmppUri.java new file mode 100644 index 00000000..5d3a2694 --- /dev/null +++ b/src/main/java/de/thedevstack/conversationsplus/utils/XmppUri.java @@ -0,0 +1,85 @@ +package de.thedevstack.conversationsplus.utils; + +import android.net.Uri; + +import java.io.UnsupportedEncodingException; +import java.net.URLDecoder; + +import de.thedevstack.conversationsplus.xmpp.jid.InvalidJidException; +import de.thedevstack.conversationsplus.xmpp.jid.Jid; + +public class XmppUri { + + protected String jid; + protected boolean muc; + protected String fingerprint; + + public XmppUri(String uri) { + try { + parse(Uri.parse(uri)); + } catch (IllegalArgumentException e) { + try { + jid = Jid.fromString(uri).toBareJid().toString(); + } catch (InvalidJidException e2) { + jid = null; + } + } + } + + public XmppUri(Uri uri) { + parse(uri); + } + + protected void parse(Uri uri) { + String scheme = uri.getScheme(); + if ("xmpp".equalsIgnoreCase(scheme)) { + // sample: xmpp:jid@foo.com + muc = "join".equalsIgnoreCase(uri.getQuery()); + if (uri.getAuthority() != null) { + jid = uri.getAuthority(); + } else { + jid = uri.getSchemeSpecificPart().split("\\?")[0]; + } + fingerprint = parseFingerprint(uri.getQuery()); + } else if ("imto".equalsIgnoreCase(scheme)) { + // sample: imto://xmpp/jid@foo.com + try { + jid = URLDecoder.decode(uri.getEncodedPath(), "UTF-8").split("/")[1]; + } catch (final UnsupportedEncodingException ignored) { + jid = null; + } + } else { + try { + jid = Jid.fromString(uri.toString()).toBareJid().toString(); + } catch (final InvalidJidException ignored) { + jid = null; + } + } + } + + protected String parseFingerprint(String query) { + if (query == null) { + return null; + } else { + final String NEEDLE = "otr-fingerprint="; + int index = query.indexOf(NEEDLE); + if (index >= 0 && query.length() >= (NEEDLE.length() + index + 40)) { + return query.substring(index + NEEDLE.length(), index + NEEDLE.length() + 40); + } else { + return null; + } + } + } + + public Jid getJid() { + try { + return this.jid == null ? null :Jid.fromString(this.jid.toLowerCase()); + } catch (InvalidJidException e) { + return null; + } + } + + public String getFingerprint() { + return this.fingerprint; + } +} |