arti/Estonian-ID-card-mobile-authenticator-POC
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Code Packages Releases Wiki Activity

MOB-42 Added backend server, two frontend webpages and rest endpoints for getting challenge, submitting authentication token and getting authentication object. MOB-21 Added JWT creation, but whole process still needs some work.

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This commit is contained in:
TanelOrumaa 2021-11-08 17:30:56 +02:00
parent 44469b8533
commit f9cd30922e
32 changed files with 1492 additions and 5 deletions
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5
MobileAuthApp/app/build.gradle
View File

@ -62,4 +62,9 @@ dependencies {
//SecureDataStoring
implementation("androidx.security:security-crypto:1.0.0")
implementation 'io.jsonwebtoken:jjwt-api:0.11.2'
runtimeOnly 'io.jsonwebtoken:jjwt-impl:0.11.2',
'org.bouncycastle:bcprov-jdk15on:1.60',
'io.jsonwebtoken:jjwt-gson:0.11.2'
}

1
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/AuthFragment.kt
View File

@ -14,6 +14,7 @@ import androidx.fragment.app.Fragment
import androidx.fragment.app.activityViewModels
import androidx.navigation.fragment.findNavController
import com.tarkvaraprojekt.mobileauthapp.NFC.Comms
import com.tarkvaraprojekt.mobileauthapp.auth.Authenticator
import com.tarkvaraprojekt.mobileauthapp.databinding.FragmentAuthBinding
import com.tarkvaraprojekt.mobileauthapp.model.SmartCardViewModel
import java.lang.Exception

2
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/NFC/Comms.java
View File

@ -419,6 +419,7 @@ public class Comms {
InternalAuthenticate[4] = (byte) (0x1d + 16 * (token.length / 16));
InternalAuthenticate[6] = (byte) (0x11 + 16 * (token.length / 16));
response = getResponse(token, InternalAuthenticate, "Internal Authenticate");
if (response[response.length - 2] != (byte) 0x90 || response[response.length - 1] != 0x00) {
throw new RuntimeException("Signing the token failed.");
}
@ -429,6 +430,7 @@ public class Comms {
return Arrays.copyOf(signature, indexOfTerminator);
}
private byte[] getResponse(byte[] data, byte[] command, String log) throws NoSuchPaddingException, InvalidKeyException, NoSuchAlgorithmException, IllegalBlockSizeException, BadPaddingException, InvalidAlgorithmParameterException, IOException {
byte[] response = idCard.transceive(createSecureAPDU(data, command));
Log.i(log, Hex.toHexString(response));

49
MobileAuthApp/app/src/main/java/com/tarkvaraprojekt/mobileauthapp/auth/Authenticator.kt
View File

@ -1,22 +1,61 @@
package com.tarkvaraprojekt.mobileauthapp.auth
import android.nfc.tech.IsoDep
import android.os.Message
import android.util.Log
import com.tarkvaraprojekt.mobileauthapp.NFC.Comms
import java.math.BigInteger
import io.jsonwebtoken.SignatureAlgorithm
import org.bouncycastle.util.encoders.Base64
import java.nio.charset.StandardCharsets
import java.security.MessageDigest
import java.time.LocalDateTime
import java.time.ZoneOffset
import javax.crypto.Mac
import kotlin.experimental.and
class Authenticator(val comms : Comms) {
public fun authenticate(nonce: BigInteger, challengeUrl: String, pin1: String) {
val type = "JWT"
val algorithm = "ES384"
var iss = "https://self-issued.me" // Will be specified at a later date.
val algorithmUsedForSigning = SignatureAlgorithm.ES384
fun authenticate(challenge: String, originUrl: String, pin1: String) : String {
// Ask PIN 1 from the user and get the authentication certificate from the ID card.
val authenticationCertificate : ByteArray = comms.getCertificate(true);
// Create the authentication token (OpenID X509)
// Encode the certificate in base64.
val base64cert = String(Base64.encode(authenticationCertificate))
// Hash the authentication token.
// Get current epoch time.
val epoch = LocalDateTime.now(ZoneOffset.UTC).atZone(ZoneOffset.UTC).toEpochSecond()
// Get expiration time.
val exp = LocalDateTime.now(ZoneOffset.UTC).plusSeconds(5 * 60L).atZone(ZoneOffset.UTC).toEpochSecond()
// Get subject value.
val sub = authenticationCertificate[0] // TODO:
// Get header and claims.
val header = """{"typ":"$type","alg":"$algorithm","x5c":"$base64cert"}"""
val claims = """{"iat":"$epoch","exp":"$exp","aud":"$originUrl","iss":"$iss","sub":"$sub","nonce":"$challenge","cnf":{"tbh":""}}"""
var jwt = String(Base64.encode(header.toByteArray(Charsets.UTF_8))) + "." + String(Base64.encode(claims.toByteArray(Charsets.UTF_8)))
jwt = jwt.replace("=", "")
Log.v("JWT", jwt)
// Send the authentication token hash to the ID card for signing and get signed authentication token as response.
val encoded = MessageDigest.getInstance("SHA-384").digest(jwt.toByteArray())
val signed = comms.authenticate(pin1, encoded)
val jws = jwt + "." + String(Base64.encode(signed))
Log.v("Token", jws)
// Return the signed authentication token.
return jws
}
}

33
demoBackend/.gitignore vendored Normal file
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@ -0,0 +1,33 @@
HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

118
demoBackend/.mvn/wrapper/MavenWrapperDownloader.java vendored Normal file
View File

@ -0,0 +1,118 @@
/*
* Copyright 2007-present the original author or authors.
*
* 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
*
* https://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.
*/
import java.net.*;
import java.io.*;
import java.nio.channels.*;
import java.util.Properties;
public class MavenWrapperDownloader {
private static final String WRAPPER_VERSION = "0.5.6";
/**
* Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
*/
private static final String DEFAULT_DOWNLOAD_URL = "https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/"
+ WRAPPER_VERSION + "/maven-wrapper-" + WRAPPER_VERSION + ".jar";
/**
* Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
* use instead of the default one.
*/
private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
".mvn/wrapper/maven-wrapper.properties";
/**
* Path where the maven-wrapper.jar will be saved to.
*/
private static final String MAVEN_WRAPPER_JAR_PATH =
".mvn/wrapper/maven-wrapper.jar";
/**
* Name of the property which should be used to override the default download url for the wrapper.
*/
private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
public static void main(String args[]) {
System.out.println("- Downloader started");
File baseDirectory = new File(args[0]);
System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
// If the maven-wrapper.properties exists, read it and check if it contains a custom
// wrapperUrl parameter.
File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
String url = DEFAULT_DOWNLOAD_URL;
if (mavenWrapperPropertyFile.exists()) {
FileInputStream mavenWrapperPropertyFileInputStream = null;
try {
mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
Properties mavenWrapperProperties = new Properties();
mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
} catch (IOException e) {
System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
} finally {
try {
if (mavenWrapperPropertyFileInputStream != null) {
mavenWrapperPropertyFileInputStream.close();
}
} catch (IOException e) {
// Ignore ...
}
}
}
System.out.println("- Downloading from: " + url);
File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
if (!outputFile.getParentFile().exists()) {
if (!outputFile.getParentFile().mkdirs()) {
System.out.println(
"- ERROR creating output directory '" + outputFile.getParentFile().getAbsolutePath() + "'");
}
}
System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
try {
downloadFileFromURL(url, outputFile);
System.out.println("Done");
System.exit(0);
} catch (Throwable e) {
System.out.println("- Error downloading");
e.printStackTrace();
System.exit(1);
}
}
private static void downloadFileFromURL(String urlString, File destination) throws Exception {
if (System.getenv("MVNW_USERNAME") != null && System.getenv("MVNW_PASSWORD") != null) {
String username = System.getenv("MVNW_USERNAME");
char[] password = System.getenv("MVNW_PASSWORD").toCharArray();
Authenticator.setDefault(new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
}
URL website = new URL(urlString);
ReadableByteChannel rbc;
rbc = Channels.newChannel(website.openStream());
FileOutputStream fos = new FileOutputStream(destination);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();
rbc.close();
}
}

BIN
demoBackend/.mvn/wrapper/maven-wrapper.jar vendored Normal file
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2
demoBackend/.mvn/wrapper/maven-wrapper.properties vendored Normal file
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@ -0,0 +1,2 @@
distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.3/apache-maven-3.8.3-bin.zip
wrapperUrl=https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar

310
demoBackend/mvnw vendored Normal file
View File

@ -0,0 +1,310 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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
#
# https://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.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "`uname`" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
export JAVA_HOME="`/usr/libexec/java_home`"
else
export JAVA_HOME="/Library/Java/Home"
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=`java-config --jre-home`
fi
fi
if [ -z "$M2_HOME" ] ; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
saveddir=`pwd`
M2_HOME=`dirname "$PRG"`/..
# make it fully qualified
M2_HOME=`cd "$M2_HOME" && pwd`
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --unix "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$M2_HOME" ] &&
M2_HOME="`(cd "$M2_HOME"; pwd)`"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="`which javac`"
if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=`which readlink`
if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
if $darwin ; then
javaHome="`dirname \"$javaExecutable\"`"
javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
else
javaExecutable="`readlink -f \"$javaExecutable\"`"
fi
javaHome="`dirname \"$javaExecutable\"`"
javaHome=`expr "$javaHome" : '\(.*\)/bin'`
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="`which java`"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=`cd "$wdir/.."; pwd`
fi
# end of workaround
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' < "$1")"
fi
}
BASE_DIR=`find_maven_basedir "$(pwd)"`
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found .mvn/wrapper/maven-wrapper.jar"
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
fi
if [ -n "$MVNW_REPOURL" ]; then
jarUrl="$MVNW_REPOURL/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
else
jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
fi
while IFS="=" read key value; do
case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
esac
done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
if [ "$MVNW_VERBOSE" = true ]; then
echo "Downloading from: $jarUrl"
fi
wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
if $cygwin; then
wrapperJarPath=`cygpath --path --windows "$wrapperJarPath"`
fi
if command -v wget > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found wget ... using wget"
fi
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
wget "$jarUrl" -O "$wrapperJarPath"
else
wget --http-user=$MVNW_USERNAME --http-password=$MVNW_PASSWORD "$jarUrl" -O "$wrapperJarPath"
fi
elif command -v curl > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found curl ... using curl"
fi
if [ -z "$MVNW_USERNAME" ] || [ -z "$MVNW_PASSWORD" ]; then
curl -o "$wrapperJarPath" "$jarUrl" -f
else
curl --user $MVNW_USERNAME:$MVNW_PASSWORD -o "$wrapperJarPath" "$jarUrl" -f
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Falling back to using Java to download"
fi
javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
# For Cygwin, switch paths to Windows format before running javac
if $cygwin; then
javaClass=`cygpath --path --windows "$javaClass"`
fi
if [ -e "$javaClass" ]; then
if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Compiling MavenWrapperDownloader.java ..."
fi
# Compiling the Java class
("$JAVA_HOME/bin/javac" "$javaClass")
fi
if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
# Running the downloader
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Running MavenWrapperDownloader.java ..."
fi
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
if [ "$MVNW_VERBOSE" = true ]; then
echo $MAVEN_PROJECTBASEDIR
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --path --windows "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
fi
# Provide a "standardized" way to retrieve the CLI args that will
# work with both Windows and non-Windows executions.
MAVEN_CMD_LINE_ARGS="$MAVEN_CONFIG $@"
export MAVEN_CMD_LINE_ARGS
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

182
demoBackend/mvnw.cmd vendored Normal file
View File

@ -0,0 +1,182 @@
@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a keystroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing by setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
FOR /F "tokens=1,2 delims==" %%A IN ("%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties") DO (
IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
if "%MVNW_VERBOSE%" == "true" (
echo Found %WRAPPER_JAR%
)
) else (
if not "%MVNW_REPOURL%" == "" (
SET DOWNLOAD_URL="%MVNW_REPOURL%/io/takari/maven-wrapper/0.5.6/maven-wrapper-0.5.6.jar"
)
if "%MVNW_VERBOSE%" == "true" (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %DOWNLOAD_URL%
)
powershell -Command "&{"^
"$webclient = new-object System.Net.WebClient;"^
"if (-not ([string]::IsNullOrEmpty('%MVNW_USERNAME%') -and [string]::IsNullOrEmpty('%MVNW_PASSWORD%'))) {"^
"$webclient.Credentials = new-object System.Net.NetworkCredential('%MVNW_USERNAME%', '%MVNW_PASSWORD%');"^
"}"^
"[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $webclient.DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"^
"}"
if "%MVNW_VERBOSE%" == "true" (
echo Finished downloading %WRAPPER_JAR%
)
)
@REM End of extension
@REM Provide a "standardized" way to retrieve the CLI args that will
@REM work with both Windows and non-Windows executions.
set MAVEN_CMD_LINE_ARGS=%*
%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%" == "on" pause
if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
exit /B %ERROR_CODE%

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.6</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.tarkvaratehnika</groupId>
<artifactId>demoBackend</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>demoBackend</name>
<description>demoBackend</description>
<properties>
<java.version>11</java.version>
<kotlin.version>1.5.31</kotlin.version>
<caffeine.version>2.8.5</caffeine.version>
<javaxcache.version>1.1.1</javaxcache.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.module</groupId>
<artifactId>jackson-module-kotlin</artifactId>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-reflect</artifactId>
</dependency>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-stdlib-jdk8</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.webeid.security</groupId>
<artifactId>authtoken-validation</artifactId>
<version>1.2.0</version>
</dependency>
<dependency>
<groupId>javax.cache</groupId>
<artifactId>cache-api</artifactId>
<version>${javaxcache.version}</version>
</dependency>
<dependency>
<groupId>com.github.ben-manes.caffeine</groupId>
<artifactId>caffeine</artifactId>
<version>${caffeine.version}</version>
</dependency>
<dependency>
<groupId>com.github.ben-manes.caffeine</groupId>
<artifactId>jcache</artifactId>
<version>${caffeine.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
</dependency>
</dependencies>
<repositories>
<repository>
<id>gitlab</id>
<url>https://gitlab.com/api/v4/projects/19948337/packages/maven</url>
</repository>
</repositories>
<build>
<sourceDirectory>${project.basedir}/src/main/kotlin</sourceDirectory>
<testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-plugin</artifactId>
<configuration>
<args>
<arg>-Xjsr305=strict</arg>
</args>
<compilerPlugins>
<plugin>spring</plugin>
</compilerPlugins>
</configuration>
<dependencies>
<dependency>
<groupId>org.jetbrains.kotlin</groupId>
<artifactId>kotlin-maven-allopen</artifactId>
<version>${kotlin.version}</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>

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demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/DemoBackendApplication.kt Normal file
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package com.tarkvaratehnika.demobackend
import org.springframework.boot.autoconfigure.EnableAutoConfiguration
import org.springframework.boot.autoconfigure.SpringBootApplication
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration
import org.springframework.boot.runApplication
@SpringBootApplication(exclude=[SecurityAutoConfiguration::class])
class DemoBackendApplication
fun main(args: Array<String>) {
runApplication<DemoBackendApplication>(*args)
}

16
demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/config/ApplicationConfiguration.kt Normal file
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package com.tarkvaratehnika.demobackend.config
class ApplicationConfiguration {
companion object {
// URL for intent, do not edit.
val AUTH_APP_LAUNCH_INTENT = "authapp://start/"
// Endpoint for challenge.
val CHALLENGE_ENDPOINT_URL = "/auth/challenge"
// Endpoint for authentication
val AUTHENTICATION_ENDPOINT_URL = "/auth/authentication"
// URL for application. Use ngrok for HTTPS (or a tool of your own choice) and put the HTTPS link here.
val WEBSITE_ORIGIN_URL = "https://6bb0-85-253-195-252.ngrok.io"
}
}

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package com.tarkvaratehnika.demobackend.config
import com.github.benmanes.caffeine.jcache.spi.CaffeineCachingProvider
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.core.io.support.PathMatchingResourcePatternResolver
import org.webeid.security.exceptions.JceException
import org.webeid.security.nonce.NonceGenerator
import org.webeid.security.nonce.NonceGeneratorBuilder
import org.webeid.security.validator.AuthTokenValidator
import org.webeid.security.validator.AuthTokenValidatorBuilder
import java.io.IOException
import java.net.URI
import java.security.KeyStore
import java.security.KeyStoreException
import java.security.NoSuchAlgorithmException
import java.security.cert.CertificateException
import java.security.cert.CertificateFactory
import java.security.cert.X509Certificate
import java.time.ZonedDateTime
import java.util.concurrent.TimeUnit
import javax.cache.Cache
import javax.cache.CacheManager
import javax.cache.Caching
import javax.cache.configuration.CompleteConfiguration
import javax.cache.configuration.FactoryBuilder
import javax.cache.configuration.MutableConfiguration
import javax.cache.expiry.CreatedExpiryPolicy
import javax.cache.expiry.Duration
@Configuration
class ValidationConfiguration {
private val NONCE_TTL_MINUTES: Long = 5
private val CACHE_NAME = "nonceCache"
private val CERTS_RESOURCE_PATH = "/certs/"
private val TRUSTED_CERTIFICATES_JKS = "trusted_certificates.jks"
private val TRUSTSTORE_PASSWORD = "changeit"
@Bean
fun cacheManager(): CacheManager {
return Caching.getCachingProvider(CaffeineCachingProvider::class.java.name).cacheManager
}
@Bean
fun nonceCache(): Cache<String, ZonedDateTime>? {
val cacheManager: CacheManager = cacheManager()
var cache =
cacheManager.getCache<String?, ZonedDateTime?>(CACHE_NAME)
if (cache == null) {
cache = createNonceCache(cacheManager)
}
return cache
}
@Bean
fun generator(): NonceGenerator? {
return NonceGeneratorBuilder()
.withNonceTtl(java.time.Duration.ofMinutes(NONCE_TTL_MINUTES))
.withNonceCache(nonceCache())
.build()
}
private fun createNonceCache(cacheManager: CacheManager): Cache<String?, ZonedDateTime?>? {
val cacheConfig: CompleteConfiguration<String, ZonedDateTime> = MutableConfiguration<String, ZonedDateTime>()
.setTypes(String::class.java, ZonedDateTime::class.java)
.setExpiryPolicyFactory(
FactoryBuilder.factoryOf(
CreatedExpiryPolicy(
Duration(
TimeUnit.MINUTES,
NONCE_TTL_MINUTES + 1
)
)
)
)
return cacheManager.createCache(CACHE_NAME, cacheConfig)
}
@Bean
fun loadTrustedCACertificatesFromCerFiles() : Array<X509Certificate> {
val caCertificates = ArrayList<X509Certificate>()
try {
val certFactory = CertificateFactory.getInstance("X.509")
val resolver = PathMatchingResourcePatternResolver()
val resources = resolver.getResources("$CERTS_RESOURCE_PATH/*.cer")
resources.forEach { resource ->
val caCertificate = certFactory.generateCertificate(resource.inputStream) as X509Certificate
caCertificates.add(caCertificate)
}
} catch (e : Exception) {
when (e){
is CertificateException, is IOException -> {
throw RuntimeException("Error initializing trusted CA certificates. $e")
}
}
}
return caCertificates.toTypedArray()
}
@Bean
fun loadTrustedCACertificatesFromTrustStore() : Array<X509Certificate> {
val caCertificates = ArrayList<X509Certificate>()
ValidationConfiguration::class.java.getResourceAsStream("$CERTS_RESOURCE_PATH/$TRUSTED_CERTIFICATES_JKS").use { inputStream ->
try {
if (inputStream == null) {
// No truststore files found.
return arrayOf()
}
val keyStore = KeyStore.getInstance(KeyStore.getDefaultType())
keyStore.load(inputStream, TRUSTSTORE_PASSWORD.toCharArray())
val aliases = keyStore.aliases()
while (aliases.hasMoreElements()) {
val alias = aliases.nextElement()
val certificate = keyStore.getCertificate(alias) as X509Certificate
caCertificates.add(certificate)
}
} catch (e : Exception) {
when (e) {
is IOException, is CertificateException, is KeyStoreException, is NoSuchAlgorithmException -> {
throw RuntimeException("Error initializing trusted CA certificates from trust store. $e")
}
}
}
}
return caCertificates.toTypedArray()
}
@Bean
fun validator() : AuthTokenValidator {
try {
return AuthTokenValidatorBuilder()
.withSiteOrigin(URI.create(ApplicationConfiguration.WEBSITE_ORIGIN_URL))
.withNonceCache(nonceCache())
.withTrustedCertificateAuthorities(*loadTrustedCACertificatesFromCerFiles())
.withTrustedCertificateAuthorities(*loadTrustedCACertificatesFromTrustStore())
.build()
} catch (e : JceException) {
throw RuntimeException("Error building the Web eID auth token validator.", e)
}
}
}

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demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/dto/ChallengeDto.kt Normal file
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package com.tarkvaratehnika.demobackend.dto
data class ChallengeDto(val nonce : String)

6
demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/security/AuthTokenDTO.kt Normal file
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package com.tarkvaratehnika.demobackend.security
import com.fasterxml.jackson.annotation.JsonProperty
class AuthTokenDTO (val token : String, val challenge : String) {
}

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demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/security/AuthTokenDTOAuthenticationProvider.kt Normal file
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/*
* Copyright (c) 2020, 2021 The Web eID Project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.tarkvaratehnika.demobackend.security
import com.tarkvaratehnika.demobackend.config.ValidationConfiguration
import org.springframework.security.authentication.AuthenticationServiceException
import org.springframework.security.core.Authentication
import org.springframework.security.core.AuthenticationException
import org.springframework.security.core.GrantedAuthority
import org.springframework.security.core.authority.SimpleGrantedAuthority
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken
import org.springframework.stereotype.Component
import org.webeid.security.exceptions.TokenValidationException
import org.webeid.security.validator.AuthTokenValidator
import java.security.cert.CertificateEncodingException
import java.security.cert.X509Certificate
@Component
class AuthTokenDTOAuthenticationProvider {
companion object {
const val ROLE_USER : String = "ROLE_USER"
}
private val USER_ROLE: GrantedAuthority = SimpleGrantedAuthority(ROLE_USER)
val tokenValidator: AuthTokenValidator = ValidationConfiguration().validator()
@Throws(AuthenticationException::class)
fun authenticate(auth : Authentication) : Authentication {
val authentication = auth as PreAuthenticatedAuthenticationToken
val token = (authentication.credentials as AuthTokenDTO).token
val challenge = (authentication.credentials as AuthTokenDTO).challenge
val authorities = arrayListOf<GrantedAuthority>()
authorities.add(USER_ROLE)
try {
val userCertificate: X509Certificate = tokenValidator.validate(token)
return WebEidAuthentication.fromCertificate(userCertificate, authorities, challenge)
} catch (e : TokenValidationException) {
// Validation failed.
throw AuthenticationServiceException("Token validation failed. " + e.message)
} catch (e : CertificateEncodingException) {
// Failed to extract subject fields from the certificate.
throw AuthenticationServiceException("Incorrect certificate subject fields: " + e.message)
}
}
}

100
demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/security/WebEidAuthentication.kt Normal file
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/*
* Copyright (c) 2020, 2021 The Web eID Project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.tarkvaratehnika.demobackend.security
import org.webeid.security.certificate.CertificateData
import org.springframework.security.core.Authentication
import org.springframework.security.core.GrantedAuthority
import org.springframework.security.core.authority.SimpleGrantedAuthority
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken
import java.security.cert.X509Certificate
import java.util.*
import java.util.concurrent.ThreadLocalRandom
import kotlin.collections.ArrayList
import kotlin.math.log
class WebEidAuthentication(
private val principalName: String,
private val idCode: String,
private val authorities: ArrayList<GrantedAuthority>
) : PreAuthenticatedAuthenticationToken(principalName, idCode, authorities), Authentication {
// Companion object is for static functions.
companion object {
private val loggedInUsers = HashMap<String, Authentication>()
fun fromCertificate(
userCertificate: X509Certificate,
authorities: ArrayList<GrantedAuthority>,
challenge: String
): Authentication {
val principalName = getPrincipalNameFromCertificate(userCertificate)
val idCode = Objects.requireNonNull(CertificateData.getSubjectIdCode(userCertificate))
val authentication = WebEidAuthentication(principalName, idCode, authorities)
loggedInUsers[challenge] = authentication
return authentication
}
/**
* Function for getting a Spring authentication object by supplying a challenge.
* TODO: Figure out a more secure solution in the future.
*/
fun fromChallenge(challenge: String): Authentication? {
// if (ThreadLocalRandom.current().nextFloat() < 0.5f) { // TODO: For testing.
// return null
// }
val auth = loggedInUsers[challenge]
if (auth != null) {
// If challenge is valid, delete the authentication object from the map (so this can only be fetched once).
loggedInUsers.remove(challenge)
} else {
return null
}
return auth
}
// // TODO: DELETE
//
// const val ROLE_USER: String = "ROLE_USER"
// private val USER_ROLE: GrantedAuthority = SimpleGrantedAuthority(ROLE_USER)
//
// fun addAuth(challenge: String) {
// val authorities = arrayListOf<GrantedAuthority>()
// authorities.add(USER_ROLE)
// val auth = WebEidAuthentication("Somename", "11111111111", authorities)
// loggedInUsers[challenge] = auth
// }
//
//
// // TODO: DELETE UNTIL
private fun getPrincipalNameFromCertificate(userCertificate: X509Certificate): String {
return Objects.requireNonNull(CertificateData.getSubjectGivenName(userCertificate)) + " " +
Objects.requireNonNull(CertificateData.getSubjectSurname(userCertificate))
}
}
}

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demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/web/LoginController.kt Normal file
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package com.tarkvaratehnika.demobackend.web
import com.tarkvaratehnika.demobackend.config.ApplicationConfiguration
import org.springframework.stereotype.Controller
import org.springframework.ui.Model
import org.springframework.web.bind.annotation.GetMapping
@Controller
class LoginController {
@GetMapping
fun login(model : Model) : String {
model.addAttribute("intentUrl", ApplicationConfiguration.AUTH_APP_LAUNCH_INTENT)
model.addAttribute("challengeUrl", ApplicationConfiguration.CHALLENGE_ENDPOINT_URL)
model.addAttribute("originUrl", ApplicationConfiguration.WEBSITE_ORIGIN_URL)
model.addAttribute("loggedInUrl", "/signature")
model.addAttribute("authenticationRequestUrl", ApplicationConfiguration.AUTHENTICATION_ENDPOINT_URL)
return "index"
}
}

20
demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/web/SignatureController.kt Normal file
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package com.tarkvaratehnika.demobackend.web
import com.tarkvaratehnika.demobackend.security.AuthTokenDTOAuthenticationProvider.Companion.ROLE_USER
import org.springframework.security.access.prepost.PreAuthorize
import org.springframework.stereotype.Controller
import org.springframework.ui.Model
import org.springframework.web.bind.annotation.GetMapping
@Controller
class SignatureController {
@PreAuthorize("hasAuthority('$ROLE_USER')")
@GetMapping("signature")
fun signature(model : Model) : String {
// model.addAttribute("intentUrl", ApplicationConfiguration.AUTH_APP_LAUNCH_INTENT)
// model.addAttribute("challengeUrl", ApplicationConfiguration.CHALLENGE_ENDPOINT_URL)
return "signature"
}
}

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demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/web/rest/AuthenticationController.kt Normal file
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package com.tarkvaratehnika.demobackend.web.rest
import com.tarkvaratehnika.demobackend.security.AuthTokenDTO
import com.tarkvaratehnika.demobackend.security.AuthTokenDTOAuthenticationProvider
import com.tarkvaratehnika.demobackend.security.WebEidAuthentication
import org.slf4j.LoggerFactory
import org.springframework.http.HttpStatus
import org.springframework.http.MediaType
import org.springframework.security.core.Authentication
import org.springframework.security.web.authentication.preauth.PreAuthenticatedAuthenticationToken
import org.springframework.web.bind.annotation.*
import org.springframework.web.server.ResponseStatusException
@RestController
@RequestMapping("auth")
class AuthenticationController {
private val LOG = LoggerFactory.getLogger(AuthenticationController::class.java)
@PostMapping("authentication", consumes = [MediaType.APPLICATION_JSON_VALUE], produces = [MediaType.APPLICATION_JSON_VALUE])
fun authenticate(@RequestBody authToken : AuthTokenDTO): Authentication {
// Create Spring Security Authentication object with supplied token as credentials.
val auth = PreAuthenticatedAuthenticationToken(null, authToken)
// Return authentication object if success.
return AuthTokenDTOAuthenticationProvider().authenticate(auth)
}
@GetMapping("authentication", produces = [MediaType.APPLICATION_JSON_VALUE])
fun getAuthenticated(@RequestParam challenge: String) : Authentication? {
val auth = WebEidAuthentication.fromChallenge(challenge)
if (auth == null) {
throw ResponseStatusException(HttpStatus.FORBIDDEN, "Not allowed.")
}
return auth
}
}

45
demoBackend/src/main/kotlin/com/tarkvaratehnika/demobackend/web/rest/ChallengeController.kt Normal file
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/*
* Copyright (c) 2020, 2021 The Web eID Project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.tarkvaratehnika.demobackend.web.rest
import com.tarkvaratehnika.demobackend.dto.ChallengeDto
import com.tarkvaratehnika.demobackend.security.WebEidAuthentication
import org.springframework.web.bind.annotation.GetMapping
import org.springframework.web.bind.annotation.RequestMapping
import org.springframework.web.bind.annotation.RestController
import org.webeid.security.nonce.NonceGenerator
@RestController
@RequestMapping("auth")
class ChallengeController (val nonceGenerator: NonceGenerator) {
@GetMapping("challenge")
fun challenge(): ChallengeDto {
val challengeDto = ChallengeDto(nonceGenerator.generateAndStoreNonce())
// WebEidAuthentication.addAuth(challengeDto.nonce) // For testing.
return challengeDto
}
}

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demoBackend/src/main/resources/static/css/main.css Normal file
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.cont {
display: grid;
width: 80%;
padding-top: 10%;
margin-left: auto;
margin-right: auto;
justify-items: center;
}
h4 {
margin: 10%;
}
#loginButton {
width: 40%;
}
.cont > * {
margin: 1rem;
}

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demoBackend/src/main/resources/static/js/index.js Normal file
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window.onload = () => {
// Add event listener for login button.
let loginButton = document.getElementById("loginButton");
if (loginButton != null) {
loginButton.addEventListener("click", () => {
let action = loginButton.getAttribute("data-action");
loginButton.setAttribute("disabled", "true");
loginButton.textContent = "Logging in";
launchAuthApp(action);
})
}
}

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demoBackend/src/main/resources/static/js/main.js Normal file
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const POLLING_INTERVAL = 1000;
const POLLING_RETRIES = 120;
function launchAuthApp(action) {
if (!isAndroid()) {
alert("Functionality only available for Android devices.")
return null
}
// Fetch challenge.
httpGetAsync(originUrl + challengeUrl, (body) => {
let data = JSON.parse(body);
let challenge = data.nonce;
let intent = createParametrizedIntentUrl(challenge, action); // TODO: Error handling.
console.log(intent);
window.location.href = intent;
pollForAuth(POLLING_INTERVAL, challenge);
})
}
function pollForAuth(timeout, challenge) {
console.log("Polling for auth");
let requestUrl = originUrl + authenticationRequestUrl + "?challenge=" + challenge;
let counter = 0;
let timer = setInterval(() => {
// Fetch authentication object.
httpGetAsync(requestUrl, (body) => {
console.log(body);
// If this is a successful request, stop the polling.
clearInterval(timer);
window.location.href = originUrl + loggedInUrl;
});
counter++;
if (counter > POLLING_RETRIES) {
clearInterval(timer); // Stop polling after some time.
let loginErrorAlert = document.getElementById("loginErrorAlert");
loginErrorAlert.classList.remove("d-none")
}
}, timeout)
}
function createParametrizedIntentUrl(challenge, action) {
if (action == null) {
console.error("There has to be an action for intent.")
}
return intentUrl + "?" + "action=" + action + (challenge != null ? "&challenge=" + challenge : "");
}
function isAndroid() {
// Check if using Android device.
const ua = navigator.userAgent.toLowerCase();
return ua.indexOf("android") > -1;
}
function httpGetAsync(theUrl, callback) {
console.log("Sending a request.")
const xmlHttp = new XMLHttpRequest();
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState === 4 && xmlHttp.status === 200) {
callback(xmlHttp.responseText);
}
}
xmlHttp.open("GET", theUrl, true); // true for asynchronous
xmlHttp.send(null);
}

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demoBackend/src/main/resources/templates/index.html Normal file
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<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Login</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet"
integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<link th:href="@{/css/main.css}" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"
integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p"
crossorigin="anonymous"></script>
<script type="text/javascript" th:src="@{/js/index.js}"></script>
<script type="text/javascript" th:src="@{/js/main.js}"></script>
<script th:inline="javascript">const originUrl = [[${originUrl}]];
const intentUrl = [[${intentUrl}]];
const challengeUrl = [[${challengeUrl}]];
const loggedInUrl = [[${loggedInUrl}]];
const authenticationRequestUrl = [[${authenticationRequestUrl}]]</script> <!-- Pass some values to JS -->
</head>
<body>
<nav class="navbar navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">Auth demo web application</a>
</div>
</nav>
<div class="cont">
<h4>Welcome to Estonian ID card mobile authentication demo website. When using a mobile phone, you can log in to the
website using your ID card by using the button below.</h4>
<h5>Make sure you've installed the authentication app from: <a
href="https://github.com/TanelOrumaa/Estonian-ID-card-mobile-authenticator-POC">GitHub</a></h5>
<button type="button" class="btn btn-secondary" id="loginButton" data-action="auth">Log in</button>
<div class="alert alert-danger d-none" role="alert" id="loginErrorAlert">
Login failed. Refresh the page to try again.
</div>
</div>
</body>
</html>

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demoBackend/src/main/resources/templates/signature.html Normal file
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<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<title>Login</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1BmE4kWBq78iYhFldvKuhfTAU6auU8tT94WrHftjDbrCEXSU1oBoqyl2QvZ6jIW3" crossorigin="anonymous">
<link th:href="@{/css/main.css}" rel="stylesheet">
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js" integrity="sha384-ka7Sk0Gln4gmtz2MlQnikT1wXgYsOg+OMhuP+IlRH9sENBO0LRn5q+8nbTov4+1p" crossorigin="anonymous"></script>
<script type="text/javascript" th:src="@{/js/signature.js}"></script>
<script type="text/javascript" th:src="@{/js/main.js}"></script>
</head>
<body>
<nav class="navbar navbar-dark bg-dark">
<div class="container-fluid">
<a class="navbar-brand" href="#">Auth demo web application</a>
</div>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav mr-auto">
<li class="nav-item active">
<a class="nav-link" href="#">Log out<span class="sr-only">(current)</span></a>
</li>
</ul>
</div>
</nav>
<div class="cont">
<h4>Congratulations! You have just authenticated yourself using your mobile phone and your ID-card. You can try to give a signature to a file now.</h4>
<h5>This page is still WIP, signing a document feature will be implemented later.</h5>
<div class="input-group mb-3">
<div class="custom-file">
<input type="file" class="custom-file-input" id="inputGroupFile01">
<label class="custom-file-label" for="inputGroupFile01">Choose file</label>
</div>
</div>
<button type="button" class="btn btn-secondary" id="signFile" data-action="auth">Sign</button>
</div>
</body>
</html>

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demoBackend/src/test/kotlin/com/tarkvaratehnika/demobackend/DemoBackendApplicationTests.kt Normal file
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package com.tarkvaratehnika.demobackend
import org.junit.jupiter.api.Test
import org.springframework.boot.test.context.SpringBootTest
@SpringBootTest
class DemoBackendApplicationTests {
@Test
fun contextLoads() {
}
}