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GUACAMOLE-96: Add skeleton TOTP authentication extension (hard-coded, fake TOTP).

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Michael Jumper
2017-11-19 21:14:18 -08:00
parent 1b262985b2
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src/main/resources/generated/
target/
*~

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<?xml version="1.0" encoding="UTF-8"?>
<!--
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
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.
-->
<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
http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.apache.guacamole</groupId>
<artifactId>guacamole-auth-totp</artifactId>
<packaging>jar</packaging>
<version>0.9.14</version>
<name>guacamole-auth-totp</name>
<url>http://guacamole.incubator.apache.org/</url>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<build>
<plugins>
<!-- Written for 1.6 -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.3</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
<compilerArgs>
<arg>-Xlint:all</arg>
<arg>-Werror</arg>
</compilerArgs>
<fork>true</fork>
</configuration>
</plugin>
<!-- Assembly plugin - for easy distribution -->
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.5.3</version>
<configuration>
<finalName>${project.artifactId}-${project.version}</finalName>
<appendAssemblyId>false</appendAssemblyId>
<descriptors>
<descriptor>src/main/assembly/dist.xml</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<id>make-dist-archive</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Copy dependencies prior to packaging -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>2.10</version>
<executions>
<execution>
<id>unpack-dependencies</id>
<phase>prepare-package</phase>
<goals>
<goal>unpack-dependencies</goal>
</goals>
<configuration>
<includeScope>runtime</includeScope>
<outputDirectory>${project.build.directory}/classes</outputDirectory>
</configuration>
</execution>
</executions>
</plugin>
<!-- Verify format using Apache RAT -->
<plugin>
<groupId>org.apache.rat</groupId>
<artifactId>apache-rat-plugin</artifactId>
<version>0.12</version>
<configuration>
<excludes>
<exclude>**/*.json</exclude>
<exclude>src/licenses/**/*</exclude>
</excludes>
</configuration>
<!-- Bind RAT to validate phase -->
<executions>
<execution>
<id>validate</id>
<phase>validate</phase>
<goals>
<goal>check</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<!-- Guacamole Extension API -->
<dependency>
<groupId>org.apache.guacamole</groupId>
<artifactId>guacamole-ext</artifactId>
<version>0.9.14</version>
<scope>provided</scope>
</dependency>
<!-- Guice -->
<dependency>
<groupId>com.google.inject</groupId>
<artifactId>guice</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>com.google.inject.extensions</groupId>
<artifactId>guice-multibindings</artifactId>
<version>3.0</version>
</dependency>
<!-- Java servlet API -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
<scope>provided</scope>
</dependency>
</dependencies>
</project>

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Apache License
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Apache Guacamole includes a number of subcomponents with separate copyright
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Apache Guacamole
Copyright 2017 The Apache Software Foundation
This product includes software developed at
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Apache Guacamole includes a number of subcomponents with separate copyright
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LICENCE: all the source code provided by AOP Alliance is Public Domain.

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Apache License
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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"License" shall mean the terms and conditions for use, reproduction,
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otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
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"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
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not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
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(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
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of this License, Derivative Works shall not include works that remain
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the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
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"Contributor" shall mean Licensor and any individual or Legal Entity
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or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
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meet the following conditions:
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Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
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attribution notices from the Source form of the Work,
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(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
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You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
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TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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"License" shall mean the terms and conditions for use, reproduction,
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"Legal Entity" shall mean the union of the acting entity and all
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"control" means (i) the power, direct or indirect, to cause the
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otherwise, or (ii) ownership of fifty percent (50%) or more of the
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"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
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"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
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of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
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and issue tracking systems that are managed by, or on behalf of, the
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53
extensions/guacamole-auth-totp/src/main/assembly/dist.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
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
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.
-->
<assembly
xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
<id>dist</id>
<baseDirectory>${project.artifactId}-${project.version}</baseDirectory>
<!-- Output tar.gz -->
<formats>
<format>tar.gz</format>
</formats>
<!-- Include licenses and extension .jar -->
<fileSets>
<!-- Include licenses -->
<fileSet>
<outputDirectory></outputDirectory>
<directory>src/licenses</directory>
</fileSet>
<!-- Include extension .jar -->
<fileSet>
<directory>target</directory>
<outputDirectory></outputDirectory>
<includes>
<include>*.jar</include>
</includes>
</fileSet>
</fileSets>
</assembly>

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extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/auth/totp/TOTPAuthenticationProvider.java Normal file
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/*
* 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
*
* 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 org.apache.guacamole.auth.totp;
import com.google.inject.Guice;
import com.google.inject.Injector;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.net.auth.AuthenticatedUser;
import org.apache.guacamole.net.auth.AuthenticationProvider;
import org.apache.guacamole.net.auth.Credentials;
import org.apache.guacamole.net.auth.UserContext;
/**
* AuthenticationProvider implementation which uses TOTP as an additional
* authentication factor for users which have already been authenticated by
* some other AuthenticationProvider.
*/
public class TOTPAuthenticationProvider implements AuthenticationProvider {
/**
* Injector which will manage the object graph of this authentication
* provider.
*/
private final Injector injector;
/**
* Creates a new TOTPAuthenticationProvider that verifies users using TOTP.
*
* @throws GuacamoleException
* If a required property is missing, or an error occurs while parsing
* a property.
*/
public TOTPAuthenticationProvider() throws GuacamoleException {
// Set up Guice injector.
injector = Guice.createInjector(
new TOTPAuthenticationProviderModule(this)
);
}
@Override
public String getIdentifier() {
return "totp";
}
@Override
public Object getResource() {
return null;
}
@Override
public AuthenticatedUser authenticateUser(Credentials credentials)
throws GuacamoleException {
return null;
}
@Override
public AuthenticatedUser updateAuthenticatedUser(AuthenticatedUser authenticatedUser,
Credentials credentials) throws GuacamoleException {
return authenticatedUser;
}
@Override
public UserContext getUserContext(AuthenticatedUser authenticatedUser)
throws GuacamoleException {
return null;
}
@Override
public UserContext updateUserContext(UserContext context,
AuthenticatedUser authenticatedUser, Credentials credentials)
throws GuacamoleException {
return context;
}
@Override
public UserContext decorate(UserContext context,
AuthenticatedUser authenticatedUser, Credentials credentials)
throws GuacamoleException {
UserVerificationService verificationService =
injector.getInstance(UserVerificationService.class);
// Verify identity of user
verificationService.verifyIdentity(context, authenticatedUser);
// User has been verified, and authentication should be allowed to
// continue
return context;
}
@Override
public UserContext redecorate(UserContext decorated, UserContext context,
AuthenticatedUser authenticatedUser, Credentials credentials)
throws GuacamoleException {
return context;
}
@Override
public void shutdown() {
// Do nothing
}
}

78
extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/auth/totp/TOTPAuthenticationProviderModule.java Normal file
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/*
* 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
*
* 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 org.apache.guacamole.auth.totp;
import com.google.inject.AbstractModule;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.environment.Environment;
import org.apache.guacamole.environment.LocalEnvironment;
import org.apache.guacamole.net.auth.AuthenticationProvider;
/**
* Guice module which configures TOTP-specific injections.
*/
public class TOTPAuthenticationProviderModule extends AbstractModule {
/**
* Guacamole server environment.
*/
private final Environment environment;
/**
* A reference to the TOTPAuthenticationProvider on behalf of which this
* module has configured injection.
*/
private final AuthenticationProvider authProvider;
/**
* Creates a new TOTP authentication provider module which configures
* injection for the TOTPAuthenticationProvider.
*
* @param authProvider
* The AuthenticationProvider for which injection is being configured.
*
* @throws GuacamoleException
* If an error occurs while retrieving the Guacamole server
* environment.
*/
public TOTPAuthenticationProviderModule(AuthenticationProvider authProvider)
throws GuacamoleException {
// Get local environment
this.environment = new LocalEnvironment();
// Store associated auth provider
this.authProvider = authProvider;
}
@Override
protected void configure() {
// Bind core implementations of guacamole-ext classes
bind(AuthenticationProvider.class).toInstance(authProvider);
bind(Environment.class).toInstance(environment);
// Bind TOTP-specific services
bind(UserVerificationService.class);
}
}

102
extensions/guacamole-auth-totp/src/main/java/org/apache/guacamole/auth/totp/UserVerificationService.java Normal file
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@@ -0,0 +1,102 @@
/*
* 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
*
* 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 org.apache.guacamole.auth.totp;
import java.util.Collections;
import javax.servlet.http.HttpServletRequest;
import org.apache.guacamole.GuacamoleClientException;
import org.apache.guacamole.GuacamoleException;
import org.apache.guacamole.form.Field;
import org.apache.guacamole.form.TextField;
import org.apache.guacamole.net.auth.AuthenticatedUser;
import org.apache.guacamole.net.auth.Credentials;
import org.apache.guacamole.net.auth.UserContext;
import org.apache.guacamole.net.auth.credentials.CredentialsInfo;
import org.apache.guacamole.net.auth.credentials.GuacamoleInsufficientCredentialsException;
/**
* Service for verifying the identity of a user using TOTP.
*/
public class UserVerificationService {
/**
* The name of the HTTP parameter which will contain the TOTP code provided
* by the user to verify their identity.
*/
private static final String TOTP_PARAMETER_NAME = "guac-totp";
/**
* The field which should be exposed to the user to request that they
* provide their TOTP code.
*/
private static final Field TOTP_FIELD = new TextField(TOTP_PARAMETER_NAME);
/**
* CredentialsInfo object describing the credentials expected for a user
* who has verified their identity with TOTP.
*/
private static final CredentialsInfo TOTP_CREDENTIALS = new CredentialsInfo(
Collections.singletonList(TOTP_FIELD)
);
/**
* Verifies the identity of the given user using TOTP. If a authentication
* code from the user's TOTP device has not already been provided, a code is
* requested in the form of additional expected credentials. Any provided
* code is cryptographically verified. If no code is present, or the
* received code is invalid, an exception is thrown.
*
* @param context
* The UserContext provided for the user by another authentication
* extension.
*
* @param authenticatedUser
* The user whose identity should be verified using TOTP.
*
* @throws GuacamoleException
* If required TOTP-specific configuration options are missing or
* malformed, or if the user's identity cannot be verified.
*/
public void verifyIdentity(UserContext context,
AuthenticatedUser authenticatedUser) throws GuacamoleException {
// Pull the original HTTP request used to authenticate
Credentials credentials = authenticatedUser.getCredentials();
HttpServletRequest request = credentials.getRequest();
// Ignore anonymous users
if (authenticatedUser.getIdentifier().equals(AuthenticatedUser.ANONYMOUS_IDENTIFIER))
return;
// Retrieve TOTP from request
String totp = request.getParameter(TOTP_PARAMETER_NAME);
// If no TOTP provided, request one
if (totp == null)
throw new GuacamoleInsufficientCredentialsException(
"LOGIN.INFO_TOTP_REQUIRED", TOTP_CREDENTIALS);
// FIXME: Hard-coded code
if (!totp.equals("123456"))
throw new GuacamoleClientException("LOGIN.INFO_TOTP_VERIFICATION_FAILED");
}
}

16
extensions/guacamole-auth-totp/src/main/resources/guac-manifest.json Normal file
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{
"guacamoleVersion" : "0.9.14",
"name" : "TOTP TFA Authentication Backend",
"namespace" : "totp",
"authProviders" : [
"org.apache.guacamole.auth.totp.TOTPAuthenticationProvider"
],
"translations" : [
"translations/en.json"
]
}

18
extensions/guacamole-auth-totp/src/main/resources/license.txt Normal file
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@@ -0,0 +1,18 @@
/*
* 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
*
* 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.
*/

13
extensions/guacamole-auth-totp/src/main/resources/translations/en.json Normal file
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@@ -0,0 +1,13 @@
{
"DATA_SOURCE_TOTP" : {
"NAME" : "TOTP TFA Backend"
},
"LOGIN" : {
"FIELD_HEADER_GUAC_TOTP" : "Authentication Code",
"INFO_TOTP_REQUIRED" : "Please enter your authentication code to verify your identity.",
"INFO_TOTP_VERIFICATION_FAILED" : "Verification failed. Please try again."
}
}

1
pom.xml
View File

@@ -55,6 +55,7 @@
<module>extensions/guacamole-auth-jdbc</module>
<module>extensions/guacamole-auth-ldap</module>
<module>extensions/guacamole-auth-openid</module>
<module>extensions/guacamole-auth-totp</module>
<!-- Example web applications using the Guacamole APIs -->
<module>doc/guacamole-example</module>