diff options
Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils/SSLSocketHelper.java')
-rw-r--r-- | src/main/java/de/thedevstack/conversationsplus/utils/SSLSocketHelper.java | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/SSLSocketHelper.java b/src/main/java/de/thedevstack/conversationsplus/utils/SSLSocketHelper.java deleted file mode 100644 index 1842e897..00000000 --- a/src/main/java/de/thedevstack/conversationsplus/utils/SSLSocketHelper.java +++ /dev/null @@ -1,73 +0,0 @@ -package de.thedevstack.conversationsplus.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"); - } - } -} |