diff options
Diffstat (limited to '')
6 files changed, 127 insertions, 104 deletions
diff --git a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java index ca325448..452bf815 100644 --- a/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java +++ b/src/main/java/eu/siacs/conversations/entities/DownloadableFile.java @@ -1,26 +1,7 @@ package eu.siacs.conversations.entities; -import android.util.Log; - import java.io.File; -import java.io.FileInputStream; -import java.io.FileNotFoundException; -import java.io.FileOutputStream; -import java.io.InputStream; -import java.io.OutputStream; -import java.security.InvalidAlgorithmParameterException; -import java.security.InvalidKeyException; -import java.security.Key; -import java.security.NoSuchAlgorithmException; - -import javax.crypto.Cipher; -import javax.crypto.CipherInputStream; -import javax.crypto.CipherOutputStream; -import javax.crypto.NoSuchPaddingException; -import javax.crypto.spec.IvParameterSpec; -import javax.crypto.spec.SecretKeySpec; - -import eu.siacs.conversations.Config; + import eu.siacs.conversations.utils.MimeUtils; public class DownloadableFile extends File { @@ -29,8 +10,7 @@ public class DownloadableFile extends File { private long expectedSize = 0; private String sha1sum; - private Key aeskey; - private String mime; + private byte[] aeskey; private byte[] iv = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0xf }; @@ -84,85 +64,24 @@ public class DownloadableFile extends File { byte[] iv = new byte[16]; System.arraycopy(key, 0, iv, 0, 16); System.arraycopy(key, 16, secretKey, 0, 32); - this.aeskey = new SecretKeySpec(secretKey, "AES"); + this.aeskey = secretKey; this.iv = iv; } else if (key.length >= 32) { byte[] secretKey = new byte[32]; System.arraycopy(key, 0, secretKey, 0, 32); - this.aeskey = new SecretKeySpec(secretKey, "AES"); + this.aeskey = secretKey; } else if (key.length >= 16) { byte[] secretKey = new byte[16]; System.arraycopy(key, 0, secretKey, 0, 16); - this.aeskey = new SecretKeySpec(secretKey, "AES"); + this.aeskey = secretKey; } } - public Key getKey() { + public byte[] getKey() { return this.aeskey; } - public InputStream createInputStream() { - if (this.getKey() == null) { - try { - return new FileInputStream(this); - } catch (FileNotFoundException e) { - return null; - } - } else { - try { - IvParameterSpec ips = new IvParameterSpec(iv); - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.ENCRYPT_MODE, this.getKey(), ips); - Log.d(Config.LOGTAG, "opening encrypted input stream"); - return new CipherInputStream(new FileInputStream(this), cipher); - } catch (NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, "no such algo: " + e.getMessage()); - return null; - } catch (NoSuchPaddingException e) { - Log.d(Config.LOGTAG, "no such padding: " + e.getMessage()); - return null; - } catch (InvalidKeyException e) { - Log.d(Config.LOGTAG, "invalid key: " + e.getMessage()); - return null; - } catch (InvalidAlgorithmParameterException e) { - Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage()); - return null; - } catch (FileNotFoundException e) { - return null; - } - } - } - - public OutputStream createOutputStream() { - if (this.getKey() == null) { - try { - return new FileOutputStream(this); - } catch (FileNotFoundException e) { - return null; - } - } else { - try { - IvParameterSpec ips = new IvParameterSpec(this.iv); - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.DECRYPT_MODE, this.getKey(), ips); - Log.d(Config.LOGTAG, "opening encrypted output stream"); - return new CipherOutputStream(new FileOutputStream(this), - cipher); - } catch (NoSuchAlgorithmException e) { - Log.d(Config.LOGTAG, "no such algo: " + e.getMessage()); - return null; - } catch (NoSuchPaddingException e) { - Log.d(Config.LOGTAG, "no such padding: " + e.getMessage()); - return null; - } catch (InvalidKeyException e) { - Log.d(Config.LOGTAG, "invalid key: " + e.getMessage()); - return null; - } catch (InvalidAlgorithmParameterException e) { - Log.d(Config.LOGTAG, "invavid iv:" + e.getMessage()); - return null; - } catch (FileNotFoundException e) { - return null; - } - } + public byte[] getIv() { + return this.iv; } } diff --git a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java index 30d9a393..51479836 100644 --- a/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java +++ b/src/main/java/eu/siacs/conversations/http/HttpDownloadConnection.java @@ -2,10 +2,17 @@ package eu.siacs.conversations.http; import android.content.Intent; import android.net.Uri; -import android.os.SystemClock; import android.util.Log; +import org.bouncycastle.crypto.engines.AESEngine; +import org.bouncycastle.crypto.io.CipherOutputStream; +import org.bouncycastle.crypto.modes.AEADBlockCipher; +import org.bouncycastle.crypto.modes.GCMBlockCipher; +import org.bouncycastle.crypto.params.AEADParameters; +import org.bouncycastle.crypto.params.KeyParameter; + import java.io.BufferedInputStream; +import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; import java.net.HttpURLConnection; @@ -206,7 +213,7 @@ public class HttpDownloadConnection implements Transferable { } } - private void download() throws SSLHandshakeException, IOException { + private void download() throws IOException { HttpURLConnection connection = (HttpURLConnection) mUrl.openConnection(); if (connection instanceof HttpsURLConnection) { mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, interactive); @@ -215,9 +222,13 @@ public class HttpDownloadConnection implements Transferable { BufferedInputStream is = new BufferedInputStream(connection.getInputStream()); file.getParentFile().mkdirs(); file.createNewFile(); - OutputStream os = file.createOutputStream(); - if (os == null) { - throw new IOException(); + OutputStream os; + if (file.getKey() != null) { + AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine()); + cipher.init(false, new AEADParameters(new KeyParameter(file.getKey()), 128, file.getIv())); + os = new CipherOutputStream(new FileOutputStream(file), cipher); + } else { + os = new FileOutputStream(file); } long transmitted = 0; long expected = file.getExpectedSize(); diff --git a/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java b/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java index c9fb3d8c..70dcc642 100644 --- a/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java +++ b/src/main/java/eu/siacs/conversations/http/HttpUploadConnection.java @@ -1,8 +1,18 @@ package eu.siacs.conversations.http; import android.app.PendingIntent; +import android.content.Intent; +import android.net.Uri; import android.util.Log; +import org.bouncycastle.crypto.engines.AESEngine; +import org.bouncycastle.crypto.io.CipherInputStream; +import org.bouncycastle.crypto.modes.AEADBlockCipher; +import org.bouncycastle.crypto.modes.GCMBlockCipher; +import org.bouncycastle.crypto.params.AEADParameters; +import org.bouncycastle.crypto.params.KeyParameter; + +import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; @@ -43,7 +53,7 @@ public class HttpUploadConnection implements Transferable { private byte[] key = null; private long transmitted = 0; - private long expected = 1; + private int expected = 1; public HttpUploadConnection(HttpConnectionManager httpConnectionManager) { this.mHttpConnectionManager = httpConnectionManager; @@ -142,14 +152,21 @@ public class HttpUploadConnection implements Transferable { if (connection instanceof HttpsURLConnection) { mHttpConnectionManager.setupTrustManager((HttpsURLConnection) connection, true); } + if (file.getKey() != null) { + AEADBlockCipher cipher = new GCMBlockCipher(new AESEngine()); + cipher.init(true, new AEADParameters(new KeyParameter(file.getKey()), 128, file.getIv())); + expected = cipher.getOutputSize((int) file.getSize()); + is = new CipherInputStream(new FileInputStream(file), cipher); + } else { + expected = (int) file.getSize(); + is = new FileInputStream(file); + } connection.setRequestMethod("PUT"); - connection.setFixedLengthStreamingMode((int) file.getExpectedSize()); + connection.setFixedLengthStreamingMode(expected); connection.setDoOutput(true); connection.connect(); os = connection.getOutputStream(); - is = file.createInputStream(); transmitted = 0; - expected = file.getExpectedSize(); int count = -1; byte[] buffer = new byte[4096]; while (((count = is.read(buffer)) != -1) && !canceled) { @@ -163,11 +180,13 @@ public class HttpUploadConnection implements Transferable { int code = connection.getResponseCode(); if (code == 200 || code == 201) { Log.d(Config.LOGTAG, "finished uploading file"); - Message.FileParams params = message.getFileParams(); if (key != null) { mGetUrl = new URL(mGetUrl.toString() + "#" + CryptoHelper.bytesToHex(key)); } mXmppConnectionService.getFileBackend().updateFileParams(message, mGetUrl); + Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); + intent.setData(Uri.fromFile(file)); + mXmppConnectionService.sendBroadcast(intent); message.setTransferable(null); message.setCounterpart(message.getConversation().getJid().toBareJid()); if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) { @@ -188,12 +207,13 @@ public class HttpUploadConnection implements Transferable { } }); } else { - mXmppConnectionService.resendMessage(message,delayed); + mXmppConnectionService.resendMessage(message, delayed); } } else { fail(); } } catch (IOException e) { + e.printStackTrace(); Log.d(Config.LOGTAG,"http upload failed "+e.getMessage()); fail(); } finally { diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java index 6f31f163..11055b8f 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java +++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleInbandTransport.java @@ -93,7 +93,7 @@ public class JingleInbandTransport extends JingleTransport { digest.reset(); file.getParentFile().mkdirs(); file.createNewFile(); - this.fileOutputStream = file.createOutputStream(); + this.fileOutputStream = createOutputStream(file); if (this.fileOutputStream == null) { Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not create output stream"); callback.onFileTransferAborted(); @@ -120,7 +120,7 @@ public class JingleInbandTransport extends JingleTransport { this.fileSize = this.remainingSize; this.digest = MessageDigest.getInstance("SHA-1"); this.digest.reset(); - fileInputStream = this.file.createInputStream(); + fileInputStream = createInputStream(this.file); if (fileInputStream == null) { Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could no create input stream"); callback.onFileTransferAborted(); diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java index 8d74f44e..55039070 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java +++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleSocks5Transport.java @@ -106,7 +106,7 @@ public class JingleSocks5Transport extends JingleTransport { try { MessageDigest digest = MessageDigest.getInstance("SHA-1"); digest.reset(); - fileInputStream = file.createInputStream(); + fileInputStream = createInputStream(file); //file.createInputStream(); if (fileInputStream == null) { Log.d(Config.LOGTAG, connection.getAccount().getJid().toBareJid() + ": could not create input stream"); callback.onFileTransferAborted(); @@ -157,7 +157,7 @@ public class JingleSocks5Transport extends JingleTransport { socket.setSoTimeout(30000); file.getParentFile().mkdirs(); file.createNewFile(); - fileOutputStream = file.createOutputStream(); + fileOutputStream = createOutputStream(file); if (fileOutputStream == null) { callback.onFileTransferAborted(); Log.d(Config.LOGTAG, connection.getAccount().getJid().toBareJid() + ": could not create output stream"); diff --git a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java index e832d3f5..1219794f 100644 --- a/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java +++ b/src/main/java/eu/siacs/conversations/xmpp/jingle/JingleTransport.java @@ -1,5 +1,24 @@ package eu.siacs.conversations.xmpp.jingle; +import android.util.Log; + +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.InputStream; +import java.io.OutputStream; +import java.security.InvalidAlgorithmParameterException; +import java.security.InvalidKeyException; +import java.security.NoSuchAlgorithmException; + +import javax.crypto.Cipher; +import javax.crypto.CipherInputStream; +import javax.crypto.CipherOutputStream; +import javax.crypto.NoSuchPaddingException; +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.SecretKeySpec; + +import eu.siacs.conversations.Config; import eu.siacs.conversations.entities.DownloadableFile; public abstract class JingleTransport { @@ -12,4 +31,58 @@ public abstract class JingleTransport { final OnFileTransmissionStatusChanged callback); public abstract void disconnect(); + + protected InputStream createInputStream(DownloadableFile file) { + FileInputStream is; + try { + is = new FileInputStream(file); + if (file.getKey() == null) { + return is; + } + } catch (FileNotFoundException e) { + return null; + } + try { + IvParameterSpec ips = new IvParameterSpec(file.getIv()); + Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); + cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(file.getKey(), "AES"), ips); + Log.d(Config.LOGTAG, "opening encrypted input stream"); + return new CipherInputStream(is, cipher); + } catch (InvalidKeyException e) { + return null; + } catch (NoSuchAlgorithmException e) { + return null; + } catch (NoSuchPaddingException e) { + return null; + } catch (InvalidAlgorithmParameterException e) { + return null; + } + } + + protected OutputStream createOutputStream(DownloadableFile file) { + FileOutputStream os; + try { + os = new FileOutputStream(file); + if (file.getKey() == null) { + return os; + } + } catch (FileNotFoundException e) { + return null; + } + try { + IvParameterSpec ips = new IvParameterSpec(file.getIv()); + Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); + cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(file.getKey(), "AES"), ips); + Log.d(Config.LOGTAG, "opening encrypted output stream"); + return new CipherOutputStream(os, cipher); + } catch (InvalidKeyException e) { + return null; + } catch (NoSuchAlgorithmException e) { + return null; + } catch (NoSuchPaddingException e) { + return null; + } catch (InvalidAlgorithmParameterException e) { + return null; + } + } } |