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/*
* Copyright (C) 2011 The CyanogenMOD 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 com.authentec;
import dalvik.system.DexClassLoader;
import android.content.Context;
import android.content.ContextWrapper;
import android.os.SystemProperties;
import java.lang.reflect.Constructor;
public class AuthentecHelper
{
private static DexClassLoader sAuthentecClassLoader = null;
private Class TSM = null;
private Class AuthentecMobile = null;
private Object am = null;
/* AM_STATUS codes */
public static final int eAM_STATUS_ACCESS_ERROR = 6;
public static final int eAM_STATUS_APPLICATION_IO_ERROR = 11;
public static final int eAM_STATUS_CAPTURE_FAILED = 15;
public static final int eAM_STATUS_CLIENT_CANCELED = 17;
public static final int eAM_STATUS_CLIENT_NOT_PERMITTED = 18;
public static final int eAM_STATUS_CREDENTIAL_LOCKED = 3;
public static final int eAM_STATUS_CREDENTIAL_TOO_LARGE = 5;
public static final int eAM_STATUS_DATABASE_FULL = 7;
public static final int eAM_STATUS_FINGERS_NOT_PROVISIONED = 19;
public static final int eAM_STATUS_FOREIGN_DATABASE = 8;
public static final int eAM_STATUS_GUI_IS_OFFLINE = 21;
public static final int eAM_STATUS_INVALID_APP_CONTEXT = 10;
public static final int eAM_STATUS_INVALID_PARAMETER = 4;
public static final int eAM_STATUS_INVALID_USER_ID = 22;
public static final int eAM_STATUS_LIBRARY_NOT_AVAILABLE = 14;
public static final int eAM_STATUS_NO_ACTIVE_USER = 20;
public static final int eAM_STATUS_NO_STORED_CREDENTIAL = 2;
public static final int eAM_STATUS_OK = 0;
public static final int eAM_STATUS_TIMEOUT = 12;
public static final int eAM_STATUS_UI_TIMEOUT = 16;
public static final int eAM_STATUS_UNKNOWN_COMMAND = 1;
public static final int eAM_STATUS_UNKNOWN_ERROR = 99;
public static final int eAM_STATUS_USER_CANCELED = 9;
public static final int eAM_STATUS_USURP_FAILURE = 13;
private AuthentecHelper(Context ctx)
{
try {
AuthentecMobile = sAuthentecClassLoader.loadClass("com.authentec.amjni.AuthentecMobile");
TSM = sAuthentecClassLoader.loadClass("com.authentec.amjni.TSM");
Constructor ctor = AuthentecMobile.getDeclaredConstructors()[0];
am = ctor.newInstance(ctx);
} catch (Exception ex) {
ex.printStackTrace();
return;
}
}
public int fingerprintUnlock(String sScreen, Context ctx) {
int iResult = 0;
try {
if (! (Boolean) AuthentecMobile.getMethod("AM2ClientLibraryLoaded").invoke(am)) {
return eAM_STATUS_LIBRARY_NOT_AVAILABLE;
}
if(null == ctx) {
return eAM_STATUS_INVALID_PARAMETER;
}
//int iResult = TSM.LAP(ctx).verify().viaGfxScreen(sScreen).exec();
Class partTypes[] = new Class[1];
Object argList[] = new Object[1];
partTypes[0] = Context.class;
argList[0] = ctx;
Object TSMi = TSM.getMethod("LAP", partTypes).invoke(null, argList);
TSM.getMethod("verify").invoke(TSMi);
partTypes[0] = String.class;
argList[0] = sScreen;
TSM.getMethod("viaGfxScreen", partTypes).invoke(TSMi, argList);
iResult = (Integer) TSM.getMethod("exec").invoke(TSMi);
TSMi = null;
try {
Thread.sleep(1500);
} catch (InterruptedException e) {
e.printStackTrace();
}
} catch (Exception e) {
e.printStackTrace();
}
return iResult;
}
public int startEnrollmentWizard(Context choosefinger, String msTempPasscode)
{
int miResult = eAM_STATUS_LIBRARY_NOT_AVAILABLE;
try {
Class partTypes[] = new Class[1];
Object argList[] = new Object[1];
partTypes[0] = Context.class;
argList[0] = choosefinger;
Object TSMi = TSM.getMethod("LAP", partTypes).invoke(null, argList);
if (msTempPasscode != null) {
partTypes[0] = String.class;
argList[0] = msTempPasscode;
argList[0] = (String) TSM.getMethod("Hexify", partTypes).invoke(null, argList);
TSM.getMethod("usingPasscode", partTypes).invoke(TSMi, argList);
TSM.getMethod("enroll").invoke(TSMi);
//miResult = TSM.LAP(ChooseLockFinger.this).usingPasscode(TSM.Hexify(msTempPasscode)).enroll().exec();
} else {
partTypes[0] = String.class;
argList[0] = "_classicEnroll";
TSM.getMethod("addFunction", partTypes).invoke(TSMi, argList);
//miResult = TSM.LAP(ChooseLockFinger.this).addFunction("_classicEnroll").exec();
}
miResult = (Integer) TSM.getMethod("exec").invoke(TSMi);
TSMi = null;
} catch (Exception e) {
e.printStackTrace();
}
return miResult;
}
public int startVerification(Context choosefinger)
{
int miResult = eAM_STATUS_LIBRARY_NOT_AVAILABLE;
try {
//miResult = TSM.LAP(ChooseLockFinger.this).verify().viaGfxScreen("lap-verify").exec();
Class partTypes[] = new Class[1];
Object argList[] = new Object[1];
partTypes[0] = Context.class;
argList[0] = choosefinger;
Object TSMi = TSM.getMethod("LAP", partTypes).invoke(null, argList);
TSM.getMethod("verify").invoke(TSMi);
partTypes[0] = String.class;
argList[0] = "lap-verify";
TSM.getMethod("viaGfxScreen", partTypes).invoke(TSMi, argList);
miResult = (Integer) TSM.getMethod("exec").invoke(TSMi);
TSMi = null;
} catch (Exception e) {
e.printStackTrace();
}
return miResult;
}
public int verifyPolicy(Context ctx)
{
int iResult = eAM_STATUS_LIBRARY_NOT_AVAILABLE;
try {
//iResult = TSM.LAP(m_Context).waitForUI().verify().exec();
Class partTypes[] = new Class[1];
Object argList[] = new Object[1];
partTypes[0] = Context.class;
argList[0] = ctx;
Object TSMi = TSM.getMethod("LAP", partTypes).invoke(null, argList);
TSM.getMethod("waitForUI").invoke(TSMi, (Object[]) null);
TSM.getMethod("verify").invoke(TSMi, (Object[]) null);
iResult = (Integer) TSM.getMethod("exec").invoke(TSMi, (Object[]) null);
TSMi = null;
} catch (Exception e) {
e.printStackTrace();
}
return iResult;
}
public static AuthentecHelper getInstance(Context ctx)
{
ensureClassLoader(ctx);
return new AuthentecHelper(ctx);
}
public static void ensureClassLoader(Context ctx)
{
if (sAuthentecClassLoader != null) {
return;
}
String authentecJarLocation = SystemProperties.get("ro.authentec.fingerprint.jar","");
String authentecSoLocation = SystemProperties.get("ro.authentec.fingerprint.so","");
if ("".equals(authentecJarLocation) || "".equals(authentecSoLocation))
return;
sAuthentecClassLoader = new DexClassLoader(authentecJarLocation,
new ContextWrapper(ctx).getCacheDir().getAbsolutePath(),
authentecSoLocation,ClassLoader.getSystemClassLoader());
}
}
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