diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/utils')
18 files changed, 2528 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java new file mode 100644 index 00000000..1ef5fb3f --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/CryptoHelper.java @@ -0,0 +1,211 @@ +package eu.siacs.conversations.utils; + +import android.os.Bundle; +import android.util.Pair; + +import org.bouncycastle.asn1.x500.X500Name; +import org.bouncycastle.asn1.x500.style.BCStyle; +import org.bouncycastle.asn1.x500.style.IETFUtils; +import org.bouncycastle.cert.jcajce.JcaX509CertificateHolder; + +import java.security.MessageDigest; +import java.security.cert.CertificateEncodingException; +import java.security.cert.CertificateParsingException; +import java.security.cert.X509Certificate; +import java.text.Normalizer; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Collection; +import java.util.Iterator; +import java.util.LinkedHashSet; +import java.util.List; +import java.util.Locale; + +import eu.siacs.conversations.Config; +import eu.siacs.conversations.R; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.xmpp.jid.InvalidJidException; +import eu.siacs.conversations.xmpp.jid.Jid; + +public final class CryptoHelper { + public static final String FILETRANSFER = "?FILETRANSFERv1:"; + private final static char[] hexArray = "0123456789abcdef".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; + } + + /** + * 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) { + if (fingerprint==null) { + return ""; + } else if (fingerprint.length() < 40) { + return fingerprint; + } + StringBuilder builder = new StringBuilder(fingerprint.toLowerCase(Locale.US).replaceAll("\\s", "")); + for(int i=8;i<builder.length();i+=9) { + builder.insert(i, ' '); + } + return builder.toString(); + } + + public static String prettifyFingerprintCert(String fingerprint) { + StringBuilder builder = new StringBuilder(fingerprint); + for(int i=2;i < builder.length(); i+=3) { + builder.insert(i,':'); + } + 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; + } + } + } + } + + public static Pair<Jid,String> extractJidAndName(X509Certificate certificate) throws CertificateEncodingException, InvalidJidException, CertificateParsingException { + Collection<List<?>> alternativeNames = certificate.getSubjectAlternativeNames(); + List<String> emails = new ArrayList<>(); + if (alternativeNames != null) { + for(List<?> san : alternativeNames) { + Integer type = (Integer) san.get(0); + if (type == 1) { + emails.add((String) san.get(1)); + } + } + } + X500Name x500name = new JcaX509CertificateHolder(certificate).getSubject(); + if (emails.size() == 0) { + emails.add(IETFUtils.valueToString(x500name.getRDNs(BCStyle.EmailAddress)[0].getFirst().getValue())); + } + String name = IETFUtils.valueToString(x500name.getRDNs(BCStyle.CN)[0].getFirst().getValue()); + if (emails.size() >= 1) { + return new Pair<>(Jid.fromString(emails.get(0)), name); + } else { + return null; + } + } + + public static Bundle extractCertificateInformation(X509Certificate certificate) { + Bundle information = new Bundle(); + try { + JcaX509CertificateHolder holder = new JcaX509CertificateHolder(certificate); + X500Name subject = holder.getSubject(); + try { + information.putString("subject_cn", subject.getRDNs(BCStyle.CN)[0].getFirst().getValue().toString()); + } catch (Exception e) { + //ignored + } + try { + information.putString("subject_o",subject.getRDNs(BCStyle.O)[0].getFirst().getValue().toString()); + } catch (Exception e) { + //ignored + } + + X500Name issuer = holder.getIssuer(); + try { + information.putString("issuer_cn", issuer.getRDNs(BCStyle.CN)[0].getFirst().getValue().toString()); + } catch (Exception e) { + //ignored + } + try { + information.putString("issuer_o", issuer.getRDNs(BCStyle.O)[0].getFirst().getValue().toString()); + } catch (Exception e) { + //ignored + } + try { + MessageDigest md = MessageDigest.getInstance("SHA-1"); + byte[] fingerprint = md.digest(certificate.getEncoded()); + information.putString("sha1", prettifyFingerprintCert(bytesToHex(fingerprint))); + } catch (Exception e) { + + } + return information; + } catch (CertificateEncodingException e) { + return information; + } + } + + public static int encryptionTypeToText(int encryption) { + switch (encryption) { + case Message.ENCRYPTION_OTR: + return R.string.encryption_choice_otr; + case Message.ENCRYPTION_AXOLOTL: + return R.string.encryption_choice_omemo; + case Message.ENCRYPTION_NONE: + return R.string.encryption_choice_unencrypted; + default: + return R.string.encryption_choice_pgp; + } + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/DNSHelper.java b/src/main/java/eu/siacs/conversations/utils/DNSHelper.java new file mode 100644 index 00000000..1568eb8c --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/DNSHelper.java @@ -0,0 +1,160 @@ +package eu.siacs.conversations.utils; + +import android.annotation.TargetApi; +import android.content.Context; +import android.net.ConnectivityManager; +import android.net.LinkProperties; +import android.net.Network; +import android.net.RouteInfo; +import android.os.Build; + +import java.io.IOException; +import java.net.InetAddress; +import java.net.UnknownHostException; +import java.util.ArrayList; +import java.util.List; +import java.util.TreeSet; +import java.util.regex.Pattern; + +import de.measite.minidns.Client; +import de.measite.minidns.DNSMessage; +import de.measite.minidns.Record; +import de.measite.minidns.Record.CLASS; +import de.measite.minidns.Record.TYPE; +import de.measite.minidns.record.Data; +import de.measite.minidns.record.SRV; +import de.measite.minidns.util.NameUtil; +import de.thedevstack.android.logcat.Logging; +import de.thedevstack.conversationsplus.ConversationsPlusApplication; +import de.thedevstack.conversationsplus.dto.SrvRecord; +import eu.siacs.conversations.Config; +import eu.siacs.conversations.xmpp.jid.Jid; + +public class DNSHelper { + private static final String CLIENT_SRV_PREFIX = "_xmpp-client._tcp."; + private static final String SECURE_CLIENT_SRV_PREFIX = "_xmpps-client._tcp."; + private static final Pattern PATTERN_IPV4 = Pattern.compile("\\A(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z"); + private static final Pattern PATTERN_IPV6_HEX4DECCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?) ::((?:[0-9A-Fa-f]{1,4}:)*)(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z"); + private static final Pattern PATTERN_IPV6_6HEX4DEC = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}:){6,6})(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)(\\.(25[0-5]|2[0-4]\\d|[0-1]?\\d?\\d)){3}\\z"); + private static final Pattern PATTERN_IPV6_HEXCOMPRESSED = Pattern.compile("\\A((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)::((?:[0-9A-Fa-f]{1,4}(?::[0-9A-Fa-f]{1,4})*)?)\\z"); + private static final Pattern PATTERN_IPV6 = Pattern.compile("\\A(?:[0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}\\z"); + + protected static Client client = new Client(); + + static { + client.setTimeout(Config.PING_TIMEOUT * 1000); + } + + /** + * Queries the SRV record for the server JID. + * This method uses all available Domain Name Servers. + * @param jid the server JID + * @return TreeSet with SrvRecords. If no SRV record is found for JID an empty TreeSet is returned. + */ + public static final TreeSet<SrvRecord> querySrvRecord(Jid jid) { + String host = jid.getDomainpart(); + TreeSet<SrvRecord> result = new TreeSet<>(); + + final List<InetAddress> dnsServers = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? getDnsServers() : getDnsServersPreLollipop(); + + if (dnsServers != null) { + for (InetAddress dnsServer : dnsServers) { + result = querySrvRecord(host, dnsServer); + if (!result.isEmpty()) { + break; + } + } + } + + return result; + } + + @TargetApi(21) + private static List<InetAddress> getDnsServers() { + List<InetAddress> servers = new ArrayList<>(); + ConnectivityManager connectivityManager = (ConnectivityManager) ConversationsPlusApplication.getInstance().getSystemService(Context.CONNECTIVITY_SERVICE); + Network[] networks = connectivityManager == null ? null : connectivityManager.getAllNetworks(); + if (networks == null) { + return getDnsServersPreLollipop(); + } + for(int i = 0; i < networks.length; ++i) { + LinkProperties linkProperties = connectivityManager.getLinkProperties(networks[i]); + if (linkProperties != null) { + if (hasDefaultRoute(linkProperties)) { + servers.addAll(0, linkProperties.getDnsServers()); + } else { + servers.addAll(linkProperties.getDnsServers()); + } + } + } + if (servers.size() > 0) { + Logging.d("dns", "used lollipop variant to discover dns servers in " + networks.length + " networks"); + } + return servers.size() > 0 ? servers : getDnsServersPreLollipop(); + } + + @TargetApi(Build.VERSION_CODES.LOLLIPOP) + private static boolean hasDefaultRoute(LinkProperties linkProperties) { + for(RouteInfo route: linkProperties.getRoutes()) { + if (route.isDefaultRoute()) { + return true; + } + } + return false; + } + + private static List<InetAddress> getDnsServersPreLollipop() { + List<InetAddress> servers = new ArrayList<>(); + String[] dns = client.findDNS(); + for(int i = 0; i < dns.length; ++i) { + try { + servers.add(InetAddress.getByName(dns[i])); + } catch (UnknownHostException e) { + //ignore + } + } + return servers; + } + + /** + * Queries the SRV record for an host from the given Domain Name Server. + * @param host the host to query for + * @param dnsServerAddress the DNS to query on + * @return TreeSet with SrvRecords. + */ + private static final TreeSet<SrvRecord> querySrvRecord(String host, InetAddress dnsServerAddress) { + TreeSet<SrvRecord> result = new TreeSet<>(); + querySrvRecord(host, dnsServerAddress, false, result); + querySrvRecord(host, dnsServerAddress, true, result); + return result; + } + + private static final void querySrvRecord(String host, InetAddress dnsServerAddress, boolean tlsSrvRecord, TreeSet<SrvRecord> result) { + String qname = (tlsSrvRecord ? SECURE_CLIENT_SRV_PREFIX : CLIENT_SRV_PREFIX) + host; + String dnsServerHostAddress = dnsServerAddress.getHostAddress(); + Logging.d("dns", "using dns server: " + dnsServerHostAddress + " to look up " + qname); + try { + DNSMessage message = client.query(qname, TYPE.SRV, CLASS.IN, dnsServerHostAddress); + Record[] rrset = message.getAnswers(); + for (Record rr : rrset) { + Data d = rr.getPayload(); + if (d instanceof SRV && NameUtil.idnEquals(qname, rr.getName())) { + SRV srv = (SRV) d; + SrvRecord srvRecord = new SrvRecord(srv.getPriority(), srv.getName(), srv.getPort(), tlsSrvRecord); + result.add(srvRecord); + } + } + } catch (IOException e) { + Logging.d("dns", "Error while retrieving SRV record '" + qname + "' for '" + host + "' from DNS '" + dnsServerHostAddress + "': " + e.getMessage()); + } + } + + public static boolean isIp(final String server) { + return server != null && ( + PATTERN_IPV4.matcher(server).matches() + || PATTERN_IPV6.matcher(server).matches() + || PATTERN_IPV6_6HEX4DEC.matcher(server).matches() + || PATTERN_IPV6_HEX4DECCOMPRESSED.matcher(server).matches() + || PATTERN_IPV6_HEXCOMPRESSED.matcher(server).matches()); + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/ExceptionHandler.java b/src/main/java/eu/siacs/conversations/utils/ExceptionHandler.java new file mode 100644 index 00000000..4e3ec236 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/ExceptionHandler.java @@ -0,0 +1,46 @@ +package eu.siacs.conversations.utils; + +import android.content.Context; + +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; + +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/eu/siacs/conversations/utils/ExceptionHelper.java b/src/main/java/eu/siacs/conversations/utils/ExceptionHelper.java new file mode 100644 index 00000000..9c8db210 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/ExceptionHelper.java @@ -0,0 +1,117 @@ +package eu.siacs.conversations.utils; + +import android.app.AlertDialog; +import android.content.Context; +import android.content.DialogInterface; +import android.content.DialogInterface.OnClickListener; +import android.content.pm.PackageInfo; +import android.content.pm.PackageManager; +import android.content.pm.PackageManager.NameNotFoundException; +import android.text.format.DateUtils; + +import java.io.BufferedReader; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStreamReader; +import java.util.List; + +import de.thedevstack.android.logcat.Logging; +import de.thedevstack.conversationsplus.ConversationsPlusPreferences; +import eu.siacs.conversations.Config; +import eu.siacs.conversations.R; +import eu.siacs.conversations.entities.Account; +import eu.siacs.conversations.entities.Conversation; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.services.XmppConnectionService; +import eu.siacs.conversations.ui.ConversationActivity; +import eu.siacs.conversations.xmpp.jid.InvalidJidException; +import eu.siacs.conversations.xmpp.jid.Jid; + +public class ExceptionHelper { + public static void init(Context context) { + if (!(Thread.getDefaultUncaughtExceptionHandler() instanceof ExceptionHandler)) { + Thread.setDefaultUncaughtExceptionHandler(new ExceptionHandler( + context)); + } + } + + public static boolean checkForCrash(final ConversationActivity activity, final XmppConnectionService service) { + try { + boolean neverSend = ConversationsPlusPreferences.neverSend(); + if (neverSend) { + return false; + } + 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 false; + } + final Account finalAccount = account; + FileInputStream file = activity.openFileInput("stacktrace.txt"); + InputStreamReader inputStreamReader = new InputStreamReader(file); + BufferedReader stacktrace = new BufferedReader(inputStreamReader); + final StringBuilder report = new StringBuilder(); + PackageManager pm = activity.getPackageManager(); + PackageInfo packageInfo = null; + try { + packageInfo = pm.getPackageInfo(activity.getPackageName(), 0); + report.append("Version: " + packageInfo.versionName + '\n'); + report.append("Last Update: " + + DateUtils.formatDateTime(activity, + packageInfo.lastUpdateTime, + DateUtils.FORMAT_SHOW_TIME + | DateUtils.FORMAT_SHOW_DATE) + '\n'); + } catch (NameNotFoundException e) { + return false; + } + String line; + while ((line = stacktrace.readLine()) != null) { + report.append(line); + report.append('\n'); + } + file.close(); + activity.deleteFile("stacktrace.txt"); + AlertDialog.Builder builder = new AlertDialog.Builder(activity); + builder.setTitle(activity.getString(R.string.crash_report_title)); + builder.setMessage(activity.getText(R.string.crash_report_message)); + builder.setPositiveButton(activity.getText(R.string.send_now), + new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + + Logging.d(Config.LOGTAG, "using account=" + + finalAccount.getJid().toBareJid() + + " to send in stack trace"); + Conversation conversation = null; + try { + conversation = service.findOrCreateConversation(finalAccount, + Jid.fromString(activity.getString(R.string.cplus_bugreport_jabberid)), false); + } catch (final InvalidJidException ignored) { + } + Message message = new Message(conversation, report + .toString(), Message.ENCRYPTION_NONE); + service.sendMessage(message); + } + }); + builder.setNegativeButton(activity.getText(R.string.send_never), + new OnClickListener() { + + @Override + public void onClick(DialogInterface dialog, int which) { + ConversationsPlusPreferences.applyNeverSend(true); + } + }); + builder.create().show(); + return true; + } catch (final IOException ignored) { + return false; + } + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/ExifHelper.java b/src/main/java/eu/siacs/conversations/utils/ExifHelper.java new file mode 100644 index 00000000..5e465e94 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/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 eu.siacs.conversations.utils; + +import java.io.IOException; +import java.io.InputStream; + +import de.thedevstack.android.logcat.Logging; + +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) { + Logging.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) { + Logging.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) { + Logging.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; + } + Logging.i(TAG, "Unsupported orientation"); + return 0; + } + offset += 12; + length -= 12; + } + } + + Logging.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/eu/siacs/conversations/utils/FileUtils.java b/src/main/java/eu/siacs/conversations/utils/FileUtils.java new file mode 100644 index 00000000..1f2a71ca --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/FileUtils.java @@ -0,0 +1,229 @@ +package eu.siacs.conversations.utils; + +import android.annotation.SuppressLint; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.os.Build; +import android.os.Environment; +import android.provider.DocumentsContract; +import android.provider.MediaStore; +import android.provider.OpenableColumns; + +import java.io.File; +import java.util.List; + +import de.thedevstack.conversationsplus.ConversationsPlusApplication; + +public final class FileUtils { + + /** + * Get a file path from a Uri. This will get the the path for Storage Access + * Framework Documents, as well as the _data field for the MediaStore and + * other file-based ContentProviders. + * + * @param uri The Uri to query. + * @author paulburke + */ + @SuppressLint("NewApi") + public static String getPath(final Uri uri) { + if (uri == null) { + return null; + } + + final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; + final Context context = ConversationsPlusApplication.getAppContext(); + // DocumentProvider + if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { + // ExternalStorageProvider + if (isExternalStorageDocument(uri)) { + final String docId = DocumentsContract.getDocumentId(uri); + final String[] split = docId.split(":"); + final String type = split[0]; + + if ("primary".equalsIgnoreCase(type)) { + return Environment.getExternalStorageDirectory() + "/" + split[1]; + } + + // TODO handle non-primary volumes + } + // DownloadsProvider + else if (isDownloadsDocument(uri)) { + + final String id = DocumentsContract.getDocumentId(uri); + final Uri contentUri = ContentUris.withAppendedId( + Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); + + return getDataColumn(context, contentUri, null, null); + } + // MediaProvider + else if (isMediaDocument(uri)) { + final String docId = DocumentsContract.getDocumentId(uri); + final String[] split = docId.split(":"); + final String type = split[0]; + + Uri contentUri = null; + if ("image".equals(type)) { + contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; + } else if ("video".equals(type)) { + contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; + } else if ("audio".equals(type)) { + contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; + } + + final String selection = "_id=?"; + final String[] selectionArgs = new String[]{ + split[1] + }; + + return getDataColumn(context, contentUri, selection, selectionArgs); + } + } + // MediaStore (and general) + else if (ContentResolver.SCHEME_CONTENT.equals(uri.getScheme())) { + String path = getDataColumn(context, uri, null, null); + if (path != null) { + File file = new File(path); + if (!file.canRead()) { + return null; + } + } + return path; + } + // File + else if (ContentResolver.SCHEME_FILE.equals(uri.getScheme())) { + return uri.getPath(); + } + + return null; + } + + /** + * Get the value of the data column for this Uri. This is useful for + * MediaStore Uris, and other file-based ContentProviders. + * + * @param context The context. + * @param uri The Uri to query. + * @param selection (Optional) Filter used in the query. + * @param selectionArgs (Optional) Selection arguments used in the query. + * @return The value of the _data column, which is typically a file path. + */ + private static String getDataColumn(Context context, Uri uri, String selection, + String[] selectionArgs) { + + Cursor cursor = null; + final String column = "_data"; + final String[] projection = { + column + }; + + try { + cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,null); + if (cursor != null && cursor.moveToFirst()) { + final int column_index = cursor.getColumnIndexOrThrow(column); + return cursor.getString(column_index); + } + } catch(Exception e) { + return null; + } finally { + if (cursor != null) { + cursor.close(); + } + } + return null; + } + + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is ExternalStorageProvider. + */ + public static boolean isExternalStorageDocument(Uri uri) { + return "com.android.externalstorage.documents".equals(uri.getAuthority()); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is DownloadsProvider. + */ + public static boolean isDownloadsDocument(Uri uri) { + return "com.android.providers.downloads.documents".equals(uri.getAuthority()); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is MediaProvider. + */ + public static boolean isMediaDocument(Uri uri) { + return "com.android.providers.media.documents".equals(uri.getAuthority()); + } + + /** + * @param filename The filename to extract extension from + * @return last extension or empty string + */ + public static String getLastExtension(final String filename) { + if (filename == null || filename.isEmpty()) { + return ""; + } + final int lastDotPosition = filename.lastIndexOf('.'); + final String lastPart = lastDotPosition != -1 ? + filename.substring(lastDotPosition + 1) : ""; + return lastPart; + } + + /** + * @param filename The filename to extract extension from + * @return second to last extension or empty string + */ + public static String getSecondToLastExtension(final String filename) { + if (filename == null || filename.isEmpty()) { + return ""; + } + final int lastDotPosition = filename.lastIndexOf('.'); + final int secondToLastDotPosition = filename.lastIndexOf('.', lastDotPosition - 1); + final String secondToLastPart = secondToLastDotPosition != -1 ? + filename.substring(secondToLastDotPosition + 1, lastDotPosition) : ""; + return secondToLastPart; + } + + /** + * Retrieve file size from given uri + * @param context actual Context + * @param uri uri to file + * @return file size or -1 in case of error + */ + private static long getFileSize(Context context, Uri uri) { + Cursor cursor = context.getContentResolver().query(uri, null, null, null, null); + if (cursor != null && cursor.moveToFirst()) { + return cursor.getLong(cursor.getColumnIndex(OpenableColumns.SIZE)); + } else { + return -1; + } + } + + /** + * Check for given list of uris if corresponding file sizes are all smaller than given maximum + * @param context actual Context + * @param uris list of uris + * @param max maximum file size + * @return true if all file sizes are smaller than max, false otherwise + */ + public static boolean allFilesUnderSize(Context context, List<Uri> uris, long max) { + if (max <= 0) { + return true; //exception to be compatible with HTTP Upload < v0.2 + } + for(Uri uri : uris) { + if (getFileSize(context, uri) > max) { + return false; + } + } + return true; + } + + private FileUtils() { + // Utility class - do not instantiate + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/GeoHelper.java b/src/main/java/eu/siacs/conversations/utils/GeoHelper.java new file mode 100644 index 00000000..74f91a98 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/GeoHelper.java @@ -0,0 +1,77 @@ +package eu.siacs.conversations.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 eu.siacs.conversations.entities.Conversation; +import eu.siacs.conversations.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) { + if (message.getStatus() == Message.STATUS_RECEIVED) { + locationPluginIntent.putExtra("name",conversation.getName()); + locationPluginIntent.putExtra("jid",message.getCounterpart().toString()); + } + else { + locationPluginIntent.putExtra("jid",conversation.getAccount().getJid().toString()); + } + } + 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/eu/siacs/conversations/utils/MimeUtils.java b/src/main/java/eu/siacs/conversations/utils/MimeUtils.java new file mode 100644 index 00000000..d4544424 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/MimeUtils.java @@ -0,0 +1,487 @@ +/* + * Copyright (C) 2010 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 eu.siacs.conversations.utils; +import java.io.File; +import java.io.FileInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.HashMap; +import java.util.Map; +import java.util.Properties; +/** + * Utilities for dealing with MIME types. + * Used to implement java.net.URLConnection and android.webkit.MimeTypeMap. + */ +public final class MimeUtils { + private static final Map<String, String> mimeTypeToExtensionMap = new HashMap<String, String>(); + private static final Map<String, String> extensionToMimeTypeMap = new HashMap<String, String>(); + static { + // The following table is based on /etc/mime.types data minus + // chemical/* MIME types and MIME types that don't map to any + // file extensions. We also exclude top-level domain names to + // deal with cases like: + // + // mail.google.com/a/google.com + // + // and "active" MIME types (due to potential security issues). + // Note that this list is _not_ in alphabetical order and must not be sorted. + // The "most popular" extension must come first, so that it's the one returned + // by guessExtensionFromMimeType. + add("application/andrew-inset", "ez"); + add("application/dsptype", "tsp"); + add("application/hta", "hta"); + add("application/mac-binhex40", "hqx"); + add("application/mathematica", "nb"); + add("application/msaccess", "mdb"); + add("application/oda", "oda"); + add("application/ogg", "ogg"); + add("application/ogg", "oga"); + add("application/pdf", "pdf"); + add("application/pgp-keys", "key"); + add("application/pgp-signature", "pgp"); + add("application/pics-rules", "prf"); + add("application/pkix-cert", "cer"); + add("application/rar", "rar"); + add("application/rdf+xml", "rdf"); + add("application/rss+xml", "rss"); + add("application/zip", "zip"); + add("application/vnd.android.package-archive", "apk"); + add("application/vnd.cinderella", "cdy"); + add("application/vnd.ms-pki.stl", "stl"); + add("application/vnd.oasis.opendocument.database", "odb"); + add("application/vnd.oasis.opendocument.formula", "odf"); + add("application/vnd.oasis.opendocument.graphics", "odg"); + add("application/vnd.oasis.opendocument.graphics-template", "otg"); + add("application/vnd.oasis.opendocument.image", "odi"); + add("application/vnd.oasis.opendocument.spreadsheet", "ods"); + add("application/vnd.oasis.opendocument.spreadsheet-template", "ots"); + add("application/vnd.oasis.opendocument.text", "odt"); + add("application/vnd.oasis.opendocument.text-master", "odm"); + add("application/vnd.oasis.opendocument.text-template", "ott"); + add("application/vnd.oasis.opendocument.text-web", "oth"); + add("application/vnd.google-earth.kml+xml", "kml"); + add("application/vnd.google-earth.kmz", "kmz"); + add("application/msword", "doc"); + add("application/msword", "dot"); + add("application/vnd.openxmlformats-officedocument.wordprocessingml.document", "docx"); + add("application/vnd.openxmlformats-officedocument.wordprocessingml.template", "dotx"); + add("application/vnd.ms-excel", "xls"); + add("application/vnd.ms-excel", "xlt"); + add("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "xlsx"); + add("application/vnd.openxmlformats-officedocument.spreadsheetml.template", "xltx"); + add("application/vnd.ms-powerpoint", "ppt"); + add("application/vnd.ms-powerpoint", "pot"); + add("application/vnd.ms-powerpoint", "pps"); + add("application/vnd.openxmlformats-officedocument.presentationml.presentation", "pptx"); + add("application/vnd.openxmlformats-officedocument.presentationml.template", "potx"); + add("application/vnd.openxmlformats-officedocument.presentationml.slideshow", "ppsx"); + add("application/vnd.rim.cod", "cod"); + add("application/vnd.smaf", "mmf"); + add("application/vnd.stardivision.calc", "sdc"); + add("application/vnd.stardivision.draw", "sda"); + add("application/vnd.stardivision.impress", "sdd"); + add("application/vnd.stardivision.impress", "sdp"); + add("application/vnd.stardivision.math", "smf"); + add("application/vnd.stardivision.writer", "sdw"); + add("application/vnd.stardivision.writer", "vor"); + add("application/vnd.stardivision.writer-global", "sgl"); + add("application/vnd.sun.xml.calc", "sxc"); + add("application/vnd.sun.xml.calc.template", "stc"); + add("application/vnd.sun.xml.draw", "sxd"); + add("application/vnd.sun.xml.draw.template", "std"); + add("application/vnd.sun.xml.impress", "sxi"); + add("application/vnd.sun.xml.impress.template", "sti"); + add("application/vnd.sun.xml.math", "sxm"); + add("application/vnd.sun.xml.writer", "sxw"); + add("application/vnd.sun.xml.writer.global", "sxg"); + add("application/vnd.sun.xml.writer.template", "stw"); + add("application/vnd.visio", "vsd"); + add("application/x-abiword", "abw"); + add("application/x-apple-diskimage", "dmg"); + add("application/x-bcpio", "bcpio"); + add("application/x-bittorrent", "torrent"); + add("application/x-cdf", "cdf"); + add("application/x-cdlink", "vcd"); + add("application/x-chess-pgn", "pgn"); + add("application/x-cpio", "cpio"); + add("application/x-debian-package", "deb"); + add("application/x-debian-package", "udeb"); + add("application/x-director", "dcr"); + add("application/x-director", "dir"); + add("application/x-director", "dxr"); + add("application/x-dms", "dms"); + add("application/x-doom", "wad"); + add("application/x-dvi", "dvi"); + add("application/x-font", "pfa"); + add("application/x-font", "pfb"); + add("application/x-font", "gsf"); + add("application/x-font", "pcf"); + add("application/x-font", "pcf.Z"); + add("application/x-freemind", "mm"); + // application/futuresplash isn't IANA, so application/x-futuresplash should come first. + add("application/x-futuresplash", "spl"); + add("application/futuresplash", "spl"); + add("application/x-gnumeric", "gnumeric"); + add("application/x-go-sgf", "sgf"); + add("application/x-graphing-calculator", "gcf"); + add("application/x-gtar", "tgz"); + add("application/x-gtar", "gtar"); + add("application/x-gtar", "taz"); + add("application/x-hdf", "hdf"); + add("application/x-ica", "ica"); + add("application/x-internet-signup", "ins"); + add("application/x-internet-signup", "isp"); + add("application/x-iphone", "iii"); + add("application/x-iso9660-image", "iso"); + add("application/x-jmol", "jmz"); + add("application/x-kchart", "chrt"); + add("application/x-killustrator", "kil"); + add("application/x-koan", "skp"); + add("application/x-koan", "skd"); + add("application/x-koan", "skt"); + add("application/x-koan", "skm"); + add("application/x-kpresenter", "kpr"); + add("application/x-kpresenter", "kpt"); + add("application/x-kspread", "ksp"); + add("application/x-kword", "kwd"); + add("application/x-kword", "kwt"); + add("application/x-latex", "latex"); + add("application/x-lha", "lha"); + add("application/x-lzh", "lzh"); + add("application/x-lzx", "lzx"); + add("application/x-maker", "frm"); + add("application/x-maker", "maker"); + add("application/x-maker", "frame"); + add("application/x-maker", "fb"); + add("application/x-maker", "book"); + add("application/x-maker", "fbdoc"); + add("application/x-mif", "mif"); + add("application/x-ms-wmd", "wmd"); + add("application/x-ms-wmz", "wmz"); + add("application/x-msi", "msi"); + add("application/x-ns-proxy-autoconfig", "pac"); + add("application/x-nwc", "nwc"); + add("application/x-object", "o"); + add("application/x-oz-application", "oza"); + add("application/x-pem-file", "pem"); + add("application/x-pkcs12", "p12"); + add("application/x-pkcs12", "pfx"); + add("application/x-pkcs7-certreqresp", "p7r"); + add("application/x-pkcs7-crl", "crl"); + add("application/x-quicktimeplayer", "qtl"); + add("application/x-shar", "shar"); + add("application/x-shockwave-flash", "swf"); + add("application/x-stuffit", "sit"); + add("application/x-sv4cpio", "sv4cpio"); + add("application/x-sv4crc", "sv4crc"); + add("application/x-tar", "tar"); + add("application/x-texinfo", "texinfo"); + add("application/x-texinfo", "texi"); + add("application/x-troff", "t"); + add("application/x-troff", "roff"); + add("application/x-troff-man", "man"); + add("application/x-ustar", "ustar"); + add("application/x-wais-source", "src"); + add("application/x-wingz", "wz"); + add("application/x-webarchive", "webarchive"); + add("application/x-webarchive-xml", "webarchivexml"); + add("application/x-x509-ca-cert", "crt"); + add("application/x-x509-user-cert", "crt"); + add("application/x-x509-server-cert", "crt"); + add("application/x-xcf", "xcf"); + add("application/x-xfig", "fig"); + add("application/xhtml+xml", "xhtml"); + add("audio/3gpp", "3gpp"); + add("audio/aac", "aac"); + add("audio/aac-adts", "aac"); + add("audio/amr", "amr"); + add("audio/amr-wb", "awb"); + add("audio/basic", "snd"); + add("audio/flac", "flac"); + add("application/x-flac", "flac"); + add("audio/imelody", "imy"); + add("audio/midi", "mid"); + add("audio/midi", "midi"); + add("audio/midi", "ota"); + add("audio/midi", "kar"); + add("audio/midi", "rtttl"); + add("audio/midi", "xmf"); + add("audio/mobile-xmf", "mxmf"); + // add ".mp3" first so it will be the default for guessExtensionFromMimeType + add("audio/mpeg", "mp3"); + add("audio/mpeg", "mpga"); + add("audio/mpeg", "mpega"); + add("audio/mpeg", "mp2"); + add("audio/mpeg", "m4a"); + add("audio/mpegurl", "m3u"); + add("audio/prs.sid", "sid"); + add("audio/x-aiff", "aif"); + add("audio/x-aiff", "aiff"); + add("audio/x-aiff", "aifc"); + add("audio/x-gsm", "gsm"); + add("audio/x-matroska", "mka"); + add("audio/x-mpegurl", "m3u"); + add("audio/x-ms-wma", "wma"); + add("audio/x-ms-wax", "wax"); + add("audio/x-pn-realaudio", "ra"); + add("audio/x-pn-realaudio", "rm"); + add("audio/x-pn-realaudio", "ram"); + add("audio/x-realaudio", "ra"); + add("audio/x-scpls", "pls"); + add("audio/x-sd2", "sd2"); + add("audio/x-wav", "wav"); + // image/bmp isn't IANA, so image/x-ms-bmp should come first. + add("image/x-ms-bmp", "bmp"); + add("image/bmp", "bmp"); + add("image/gif", "gif"); + // image/ico isn't IANA, so image/x-icon should come first. + add("image/x-icon", "ico"); + add("image/ico", "cur"); + add("image/ico", "ico"); + add("image/ief", "ief"); + // add ".jpg" first so it will be the default for guessExtensionFromMimeType + add("image/jpeg", "jpg"); + add("image/jpeg", "jpeg"); + add("image/jpeg", "jpe"); + add("image/pcx", "pcx"); + add("image/png", "png"); + add("image/svg+xml", "svg"); + add("image/svg+xml", "svgz"); + add("image/tiff", "tiff"); + add("image/tiff", "tif"); + add("image/vnd.djvu", "djvu"); + add("image/vnd.djvu", "djv"); + add("image/vnd.wap.wbmp", "wbmp"); + add("image/webp", "webp"); + add("image/x-cmu-raster", "ras"); + add("image/x-coreldraw", "cdr"); + add("image/x-coreldrawpattern", "pat"); + add("image/x-coreldrawtemplate", "cdt"); + add("image/x-corelphotopaint", "cpt"); + add("image/x-jg", "art"); + add("image/x-jng", "jng"); + add("image/x-photoshop", "psd"); + add("image/x-portable-anymap", "pnm"); + add("image/x-portable-bitmap", "pbm"); + add("image/x-portable-graymap", "pgm"); + add("image/x-portable-pixmap", "ppm"); + add("image/x-rgb", "rgb"); + add("image/x-xbitmap", "xbm"); + add("image/x-xpixmap", "xpm"); + add("image/x-xwindowdump", "xwd"); + add("model/iges", "igs"); + add("model/iges", "iges"); + add("model/mesh", "msh"); + add("model/mesh", "mesh"); + add("model/mesh", "silo"); + add("text/calendar", "ics"); + add("text/calendar", "icz"); + add("text/comma-separated-values", "csv"); + add("text/css", "css"); + add("text/html", "htm"); + add("text/html", "html"); + add("text/h323", "323"); + add("text/iuls", "uls"); + add("text/mathml", "mml"); + // add ".txt" first so it will be the default for guessExtensionFromMimeType + add("text/plain", "txt"); + add("text/plain", "asc"); + add("text/plain", "text"); + add("text/plain", "diff"); + add("text/plain", "po"); // reserve "pot" for vnd.ms-powerpoint + add("text/richtext", "rtx"); + add("text/rtf", "rtf"); + add("text/text", "phps"); + add("text/tab-separated-values", "tsv"); + add("text/xml", "xml"); + add("text/x-bibtex", "bib"); + add("text/x-boo", "boo"); + add("text/x-c++hdr", "hpp"); + add("text/x-c++hdr", "h++"); + add("text/x-c++hdr", "hxx"); + add("text/x-c++hdr", "hh"); + add("text/x-c++src", "cpp"); + add("text/x-c++src", "c++"); + add("text/x-c++src", "cc"); + add("text/x-c++src", "cxx"); + add("text/x-chdr", "h"); + add("text/x-component", "htc"); + add("text/x-csh", "csh"); + add("text/x-csrc", "c"); + add("text/x-dsrc", "d"); + add("text/x-haskell", "hs"); + add("text/x-java", "java"); + add("text/x-literate-haskell", "lhs"); + add("text/x-moc", "moc"); + add("text/x-pascal", "p"); + add("text/x-pascal", "pas"); + add("text/x-pcs-gcd", "gcd"); + add("text/x-setext", "etx"); + add("text/x-tcl", "tcl"); + add("text/x-tex", "tex"); + add("text/x-tex", "ltx"); + add("text/x-tex", "sty"); + add("text/x-tex", "cls"); + add("text/x-vcalendar", "vcs"); + add("text/x-vcard", "vcf"); + add("video/3gpp", "3gpp"); + add("video/3gpp", "3gp"); + add("video/3gpp2", "3gpp2"); + add("video/3gpp2", "3g2"); + add("video/avi", "avi"); + add("video/dl", "dl"); + add("video/dv", "dif"); + add("video/dv", "dv"); + add("video/fli", "fli"); + add("video/m4v", "m4v"); + add("video/mp2ts", "ts"); + add("video/mpeg", "mpeg"); + add("video/mpeg", "mpg"); + add("video/mpeg", "mpe"); + add("video/mp4", "mp4"); + add("video/mpeg", "VOB"); + add("video/quicktime", "qt"); + add("video/quicktime", "mov"); + add("video/vnd.mpegurl", "mxu"); + add("video/webm", "webm"); + add("video/x-la-asf", "lsf"); + add("video/x-la-asf", "lsx"); + add("video/x-matroska", "mkv"); + add("video/x-mng", "mng"); + add("video/x-ms-asf", "asf"); + add("video/x-ms-asf", "asx"); + add("video/x-ms-wm", "wm"); + add("video/x-ms-wmv", "wmv"); + add("video/x-ms-wmx", "wmx"); + add("video/x-ms-wvx", "wvx"); + add("video/x-sgi-movie", "movie"); + add("video/x-webex", "wrf"); + add("x-conference/x-cooltalk", "ice"); + add("x-epoc/x-sisx-app", "sisx"); + applyOverrides(); + } + private static void add(String mimeType, String extension) { + // If we have an existing x -> y mapping, we do not want to + // override it with another mapping x -> y2. + // If a mime type maps to several extensions + // the first extension added is considered the most popular + // so we do not want to overwrite it later. + if (!mimeTypeToExtensionMap.containsKey(mimeType)) { + mimeTypeToExtensionMap.put(mimeType, extension); + } + if (!extensionToMimeTypeMap.containsKey(extension)) { + extensionToMimeTypeMap.put(extension, mimeType); + } + } + private static InputStream getContentTypesPropertiesStream() { + // User override? + String userTable = System.getProperty("content.types.user.table"); + if (userTable != null) { + File f = new File(userTable); + if (f.exists()) { + try { + return new FileInputStream(f); + } catch (IOException ignored) { + } + } + } + // Standard location? + File f = new File(System.getProperty("java.home"), "lib" + File.separator + "content-types.properties"); + if (f.exists()) { + try { + return new FileInputStream(f); + } catch (IOException ignored) { + } + } + return null; + } + /** + * This isn't what the RI does. The RI doesn't have hard-coded defaults, so supplying your + * own "content.types.user.table" means you don't get any of the built-ins, and the built-ins + * come from "$JAVA_HOME/lib/content-types.properties". + */ + private static void applyOverrides() { + // Get the appropriate InputStream to read overrides from, if any. + InputStream stream = getContentTypesPropertiesStream(); + if (stream == null) { + return; + } + try { + try { + // Read the properties file... + Properties overrides = new Properties(); + overrides.load(stream); + // And translate its mapping to ours... + for (Map.Entry<Object, Object> entry : overrides.entrySet()) { + String extension = (String) entry.getKey(); + String mimeType = (String) entry.getValue(); + add(mimeType, extension); + } + } finally { + stream.close(); + } + } catch (IOException ignored) { + } + } + private MimeUtils() { + } + /** + * Returns true if the given MIME type has an entry in the map. + * @param mimeType A MIME type (i.e. text/plain) + * @return True iff there is a mimeType entry in the map. + */ + public static boolean hasMimeType(String mimeType) { + if (mimeType == null || mimeType.isEmpty()) { + return false; + } + return mimeTypeToExtensionMap.containsKey(mimeType); + } + /** + * Returns the MIME type for the given extension. + * @param extension A file extension without the leading '.' + * @return The MIME type for the given extension or null iff there is none. + */ + public static String guessMimeTypeFromExtension(String extension) { + if (extension == null || extension.isEmpty()) { + return null; + } + return extensionToMimeTypeMap.get(extension.toLowerCase()); + } + /** + * Returns true if the given extension has a registered MIME type. + * @param extension A file extension without the leading '.' + * @return True iff there is an extension entry in the map. + */ + public static boolean hasExtension(String extension) { + if (extension == null || extension.isEmpty()) { + return false; + } + return extensionToMimeTypeMap.containsKey(extension); + } + /** + * Returns the registered extension for the given MIME type. Note that some + * MIME types map to multiple extensions. This call will return the most + * common extension for the given MIME type. + * @param mimeType A MIME type (i.e. text/plain) + * @return The extension for the given MIME type or null iff there is none. + */ + public static String guessExtensionFromMimeType(String mimeType) { + if (mimeType == null || mimeType.isEmpty()) { + return null; + } + return mimeTypeToExtensionMap.get(mimeType); + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/OnPhoneContactsLoadedListener.java b/src/main/java/eu/siacs/conversations/utils/OnPhoneContactsLoadedListener.java new file mode 100644 index 00000000..f18a4ed8 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/OnPhoneContactsLoadedListener.java @@ -0,0 +1,9 @@ +package eu.siacs.conversations.utils; + +import android.os.Bundle; + +import java.util.List; + +public interface OnPhoneContactsLoadedListener { + public void onPhoneContactsLoaded(List<Bundle> phoneContacts); +} diff --git a/src/main/java/eu/siacs/conversations/utils/PRNGFixes.java b/src/main/java/eu/siacs/conversations/utils/PRNGFixes.java new file mode 100644 index 00000000..5faa1fa7 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/PRNGFixes.java @@ -0,0 +1,328 @@ +package eu.siacs.conversations.utils; + +import android.os.Build; +import android.os.Process; + +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; + +import de.thedevstack.android.logcat.Logging; + +/** + * 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. + Logging.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/eu/siacs/conversations/utils/PhoneHelper.java b/src/main/java/eu/siacs/conversations/utils/PhoneHelper.java new file mode 100644 index 00000000..6c1b4bef --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/PhoneHelper.java @@ -0,0 +1,136 @@ +package eu.siacs.conversations.utils; + +import android.Manifest; +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.Build; +import android.os.Bundle; +import android.provider.ContactsContract; +import android.provider.ContactsContract.Profile; + +import java.util.List; +import java.util.concurrent.RejectedExecutionException; + +public class PhoneHelper { + + public static void loadPhoneContacts(Context context, final List<Bundle> phoneContacts, final OnPhoneContactsLoadedListener listener) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M + && context.checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) { + listener.onPhoneContactsLoaded(phoneContacts); + return; + } + 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 NotThrowCursorLoader(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) { + 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); + } + cursor.close(); + } + + if (listener != null) { + listener.onPhoneContactsLoaded(phoneContacts); + } + } + }); + try { + mCursorLoader.startLoading(); + } catch (RejectedExecutionException e) { + if (listener != null) { + listener.onPhoneContactsLoaded(phoneContacts); + } + } + } + + private static class NotThrowCursorLoader extends CursorLoader { + + public NotThrowCursorLoader(Context c, Uri u, String[] p, String s, String[] sa, String so) { + super(c, u, p, s, sa, so); + } + + @Override + public Cursor loadInBackground() { + + try { + return (super.loadInBackground()); + } catch (SecurityException e) { + return(null); + } + } + + } + + public static Uri getSefliUri(Context context) { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M + && context.checkSelfPermission(Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED) { + return null; + } + 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 | RuntimeException e) { + return "unknown"; + } + } else { + return "unknown"; + } + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java b/src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java new file mode 100644 index 00000000..3a8c1c0a --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/SSLSocketHelper.java @@ -0,0 +1,73 @@ +package eu.siacs.conversations.utils; + +import android.os.Build; + +import java.lang.reflect.Method; +import java.security.NoSuchAlgorithmException; +import java.util.Arrays; +import java.util.Collection; +import java.util.LinkedList; + +import javax.net.ssl.SSLContext; +import javax.net.ssl.SSLSocket; +import javax.net.ssl.SSLSocketFactory; + +public class SSLSocketHelper { + + public static void setSecurity(final SSLSocket sslSocket) throws NoSuchAlgorithmException { + final String[] supportProtocols; + final Collection<String> supportedProtocols = new LinkedList<>( + Arrays.asList(sslSocket.getSupportedProtocols())); + supportedProtocols.remove("SSLv3"); + supportProtocols = supportedProtocols.toArray(new String[supportedProtocols.size()]); + + sslSocket.setEnabledProtocols(supportProtocols); + + final String[] cipherSuites = CryptoHelper.getOrderedCipherSuites( + sslSocket.getSupportedCipherSuites()); + if (cipherSuites.length > 0) { + sslSocket.setEnabledCipherSuites(cipherSuites); + } + } + + public static void setSNIHost(final SSLSocketFactory factory, final SSLSocket socket, final String hostname) { + if (factory instanceof android.net.SSLCertificateSocketFactory && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.JELLY_BEAN_MR1) { + ((android.net.SSLCertificateSocketFactory) factory).setHostname(socket, hostname); + } else { + try { + socket.getClass().getMethod("setHostname", String.class).invoke(socket, hostname); + } catch (Throwable e) { + // ignore any error, we just can't set the hostname... + } + } + } + + public static void setAlpnProtocol(final SSLSocketFactory factory, final SSLSocket socket, final String protocol) { + try { + if (factory instanceof android.net.SSLCertificateSocketFactory && android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.KITKAT) { + // can't call directly because of @hide? + //((android.net.SSLCertificateSocketFactory)factory).setAlpnProtocols(new byte[][]{protocol.getBytes("UTF-8")}); + android.net.SSLCertificateSocketFactory.class.getMethod("setAlpnProtocols", byte[][].class).invoke(socket, new Object[]{new byte[][]{protocol.getBytes("UTF-8")}}); + } else { + final Method method = socket.getClass().getMethod("setAlpnProtocols", byte[].class); + // the concatenation of 8-bit, length prefixed protocol names, just one in our case... + // http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4 + final byte[] protocolUTF8Bytes = protocol.getBytes("UTF-8"); + final byte[] lengthPrefixedProtocols = new byte[protocolUTF8Bytes.length + 1]; + lengthPrefixedProtocols[0] = (byte) protocol.length(); // cannot be over 255 anyhow + System.arraycopy(protocolUTF8Bytes, 0, lengthPrefixedProtocols, 1, protocolUTF8Bytes.length); + method.invoke(socket, new Object[]{lengthPrefixedProtocols}); + } + } catch (Throwable e) { + // ignore any error, we just can't set the alpn protocol... + } + } + + public static SSLContext getSSLContext() throws NoSuchAlgorithmException { + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { + return SSLContext.getInstance("TLSv1.2"); + } else { + return SSLContext.getInstance("TLS"); + } + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/SerialSingleThreadExecutor.java b/src/main/java/eu/siacs/conversations/utils/SerialSingleThreadExecutor.java new file mode 100644 index 00000000..bfb4668d --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/SerialSingleThreadExecutor.java @@ -0,0 +1,34 @@ +package eu.siacs.conversations.utils; + +import java.util.ArrayDeque; +import java.util.Queue; +import java.util.concurrent.Executor; +import java.util.concurrent.Executors; + +public class SerialSingleThreadExecutor implements Executor { + + final Executor executor = Executors.newSingleThreadExecutor(); + final Queue<Runnable> tasks = new ArrayDeque(); + Runnable active; + + public synchronized void execute(final Runnable r) { + tasks.offer(new Runnable() { + public void run() { + try { + r.run(); + } finally { + scheduleNext(); + } + } + }); + if (active == null) { + scheduleNext(); + } + } + + protected synchronized void scheduleNext() { + if ((active = tasks.poll()) != null) { + executor.execute(active); + } + } +}
\ No newline at end of file diff --git a/src/main/java/eu/siacs/conversations/utils/SocksSocketFactory.java b/src/main/java/eu/siacs/conversations/utils/SocksSocketFactory.java new file mode 100644 index 00000000..04cfa2eb --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/SocksSocketFactory.java @@ -0,0 +1,53 @@ +package eu.siacs.conversations.utils; + +import java.io.IOException; +import java.io.InputStream; +import java.io.OutputStream; +import java.net.InetAddress; +import java.net.InetSocketAddress; +import java.net.Socket; +import java.nio.ByteBuffer; + +import eu.siacs.conversations.Config; + +public class SocksSocketFactory { + + public static void createSocksConnection(Socket socket, String destination, int port) throws IOException { + InputStream proxyIs = socket.getInputStream(); + OutputStream proxyOs = socket.getOutputStream(); + proxyOs.write(new byte[]{0x05, 0x01, 0x00}); + byte[] response = new byte[2]; + proxyIs.read(response); + byte[] dest = destination.getBytes(); + ByteBuffer request = ByteBuffer.allocate(7 + dest.length); + request.put(new byte[]{0x05, 0x01, 0x00, 0x03}); + request.put((byte) dest.length); + request.put(dest); + request.putShort((short) port); + proxyOs.write(request.array()); + response = new byte[7 + dest.length]; + proxyIs.read(response); + if (response[1] != 0x00) { + throw new SocksConnectionException(); + } + } + + public static Socket createSocket(InetSocketAddress address, String destination, int port) throws IOException { + Socket socket = new Socket(); + try { + socket.connect(address, Config.CONNECT_TIMEOUT * 1000); + } catch (IOException e) { + throw new SocksProxyNotFoundException(); + } + createSocksConnection(socket, destination, port); + return socket; + } + + static class SocksConnectionException extends IOException { + + } + + public static class SocksProxyNotFoundException extends IOException { + + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/UIHelper.java b/src/main/java/eu/siacs/conversations/utils/UIHelper.java new file mode 100644 index 00000000..a97b16a4 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/UIHelper.java @@ -0,0 +1,299 @@ +package eu.siacs.conversations.utils; + +import android.content.Context; +import android.text.format.DateFormat; +import android.text.format.DateUtils; +import android.util.Pair; + +import java.math.BigDecimal; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.Calendar; +import java.util.Date; +import java.util.Locale; + +import de.thedevstack.conversationsplus.ConversationsPlusColors; + +import eu.siacs.conversations.R; +import eu.siacs.conversations.entities.Contact; +import eu.siacs.conversations.entities.Conversation; +import eu.siacs.conversations.entities.Message; +import eu.siacs.conversations.entities.Presence; +import eu.siacs.conversations.entities.Transferable; +import eu.siacs.conversations.xmpp.jid.Jid; + +public class UIHelper { + + private static final ArrayList<String> LOCATION_QUESTIONS = new ArrayList<>(Arrays.asList( + "where are you", //en + "where are you now", //en + "where are you right now", //en + "whats your 20", //en + "what is your 20", //en + "what's your 20", //en + "whats your twenty", //en + "what is your twenty", //en + "what's your twenty", //en + "wo bist du", //de + "wo bist du jetzt", //de + "wo bist du gerade", //de + "wo seid ihr", //de + "wo seid ihr jetzt", //de + "wo seid ihr gerade", //de + "dónde estás", //es + "donde estas" //es + )); + + 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 int getColorForName(String name) { + if (name == null || 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 Transferable d = message.getTransferable(); + if (d != null ) { + switch (d.getStatus()) { + case Transferable.STATUS_CHECKING: + return new Pair<>(context.getString(R.string.checking_x, + getFileDescriptionString(context,message)),true); + case Transferable.STATUS_DOWNLOADING: + return new Pair<>(context.getString(R.string.receiving_x_file, + getFileDescriptionString(context,message), + d.getProgress()),true); + case Transferable.STATUS_OFFER: + case Transferable.STATUS_OFFER_CHECK_FILESIZE: + return new Pair<>(context.getString(R.string.x_file_offered_for_download, + getFileDescriptionString(context,message)),true); + case Transferable.STATUS_DELETED: + return new Pair<>(context.getString(R.string.file_deleted),true); + case Transferable.STATUS_FAILED: + return new Pair<>(context.getString(R.string.file_transmission_failed),true); + case Transferable.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.pgp_message),true); + } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) { + return new Pair<>(context.getString(R.string.decryption_failed), 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.hasMeCommand()) { + return new Pair<>(message.getBodyReplacedMeCommand(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 if (message.treatAsDownloadable() == Message.Decision.MUST) { + return new Pair<>(context.getString(R.string.x_file_offered_for_download, + getFileDescriptionString(context,message)),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 mime = message.getMimeType(); + 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 message.getRelativeFilePath(); + } + } + + public static String getMessageDisplayName(final Message message) { + final Conversation conversation = message.getConversation(); + if (message.getStatus() == Message.STATUS_RECEIVED) { + final Contact contact = message.getContact(); + if (conversation.getMode() == Conversation.MODE_MULTI) { + if (contact != null) { + return contact.getDisplayName(); + } else { + return getDisplayedMucCounterpart(message.getCounterpart()); + } + } else { + return contact != null ? contact.getDisplayName() : ""; + } + } else { + if (conversation.getMode() == Conversation.MODE_MULTI) { + return conversation.getMucOptions().getSelf().getName(); + } else { + final Jid jid = conversation.getAccount().getJid(); + return jid.hasLocalpart() ? jid.getLocalpart() : jid.toDomainJid().toString(); + } + } + } + + public static int getStatusColor(Presence.Status status) { + switch (status) { + case ONLINE: + return ConversationsPlusColors.online(); + case CHAT: + return ConversationsPlusColors.chat(); + case AWAY: + return ConversationsPlusColors.away(); + case XA: + return ConversationsPlusColors.xa(); + case DND: + return ConversationsPlusColors.dnd(); + } + return ConversationsPlusColors.offline(); + } + + private static String getDisplayedMucCounterpart(final Jid counterpart) { + if (counterpart==null) { + return ""; + } else if (!counterpart.isBareJid()) { + return counterpart.getResourcepart(); + } else { + return counterpart.toString(); + } + } + + public static boolean receivedLocationQuestion(Message message) { + if (message == null + || message.getStatus() != Message.STATUS_RECEIVED + || message.getType() != Message.TYPE_TEXT) { + return false; + } + String body = message.getBody() == null ? null : message.getBody().toLowerCase(Locale.getDefault()); + body = body.replace("?","").replace("¿",""); + return LOCATION_QUESTIONS.contains(body); + } + + public static String getHumanReadableFileSize(long filesize) { + if (0 > filesize) { + return "?"; + } + double size = Double.valueOf(filesize); + String[] sizes = {" bytes", " Kb", " Mb", " Gb", " Tb"}; + int i = 0; + while (1023 < size) { + size /= 1024d; + ++i; + } + BigDecimal readableSize = new BigDecimal(size); + readableSize = readableSize.setScale(2, BigDecimal.ROUND_HALF_UP); + return readableSize.doubleValue() + sizes[i]; + } +} diff --git a/src/main/java/eu/siacs/conversations/utils/XmlHelper.java b/src/main/java/eu/siacs/conversations/utils/XmlHelper.java new file mode 100644 index 00000000..4dee07cf --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/XmlHelper.java @@ -0,0 +1,12 @@ +package eu.siacs.conversations.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/eu/siacs/conversations/utils/Xmlns.java b/src/main/java/eu/siacs/conversations/utils/Xmlns.java new file mode 100644 index 00000000..ad30b3e6 --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/Xmlns.java @@ -0,0 +1,11 @@ +package eu.siacs.conversations.utils; + +import eu.siacs.conversations.Config; + +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"; + public static final String HTTP_UPLOAD = "urn:xmpp:http:upload"; +} diff --git a/src/main/java/eu/siacs/conversations/utils/XmppUri.java b/src/main/java/eu/siacs/conversations/utils/XmppUri.java new file mode 100644 index 00000000..92c0241e --- /dev/null +++ b/src/main/java/eu/siacs/conversations/utils/XmppUri.java @@ -0,0 +1,85 @@ +package eu.siacs.conversations.utils; + +import android.net.Uri; + +import java.io.UnsupportedEncodingException; +import java.net.URLDecoder; + +import eu.siacs.conversations.xmpp.jid.InvalidJidException; +import eu.siacs.conversations.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; + } +} |