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GUAC-1101: Implement multiseat and single-seat policies. Stub reserved policy. Select policy based on configuration properties.

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This commit is contained in:
Michael Jumper
2015-03-01 17:25:59 -08:00
parent 9e7868cd6c
commit a824ef14ea
5 changed files with 341 additions and 6 deletions
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57
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/MySQLAuthenticationProvider.java
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@@ -29,9 +29,15 @@ import org.glyptodon.guacamole.net.auth.AuthenticationProvider;
import org.glyptodon.guacamole.net.auth.Credentials;
import org.glyptodon.guacamole.net.auth.UserContext;
import org.glyptodon.guacamole.auth.jdbc.JDBCAuthenticationProviderModule;
import org.glyptodon.guacamole.auth.jdbc.socket.GuacamoleSocketService;
import org.glyptodon.guacamole.auth.jdbc.socket.MultiseatGuacamoleSocketService;
import org.glyptodon.guacamole.auth.jdbc.socket.ReservedGuacamoleSocketService;
import org.glyptodon.guacamole.auth.jdbc.socket.SingleSeatGuacamoleSocketService;
import org.glyptodon.guacamole.auth.jdbc.socket.UnrestrictedGuacamoleSocketService;
import org.glyptodon.guacamole.auth.jdbc.user.UserContextService;
import org.glyptodon.guacamole.environment.Environment;
import org.glyptodon.guacamole.environment.LocalEnvironment;
import org.glyptodon.guacamole.properties.GuacamoleProperties;
/**
* Provides a MySQL based implementation of the AuthenticationProvider
@@ -48,6 +54,55 @@ public class MySQLAuthenticationProvider implements AuthenticationProvider {
*/
private final Injector injector;
/**
* Returns the appropriate socket service class given the Guacamole
* environment. The class is chosen based on configuration options that
* dictate concurrent usage policy.
*
* @param environment
* The environment of the Guacamole server.
*
* @return
* The socket service class that matches the concurrent usage policy
* options set in the Guacamole environment.
*
* @throws GuacamoleException
* If an error occurs while reading the configuration options.
*/
private Class<? extends GuacamoleSocketService>
getSocketServiceClass(Environment environment)
throws GuacamoleException {
// Read concurrency-related properties
boolean disallowSimultaneous = environment.getProperty(MySQLGuacamoleProperties.MYSQL_DISALLOW_SIMULTANEOUS_CONNECTIONS, false);
boolean disallowDuplicate = environment.getProperty(MySQLGuacamoleProperties.MYSQL_DISALLOW_DUPLICATE_CONNECTIONS, true);
if (disallowSimultaneous) {
// Connections may not be used concurrently
if (disallowDuplicate)
return SingleSeatGuacamoleSocketService.class;
// Connections are reserved for a single user when in use
else
return ReservedGuacamoleSocketService.class;
}
else {
// Connections may be used concurrently, but only once per user
if (disallowDuplicate)
return MultiseatGuacamoleSocketService.class;
// Connection use is not restricted
else
return UnrestrictedGuacamoleSocketService.class;
}
}
/**
* Creates a new MySQLAuthenticationProvider that reads and writes
* authentication data to a MySQL database defined by properties in
@@ -69,7 +124,7 @@ public class MySQLAuthenticationProvider implements AuthenticationProvider {
new MySQLAuthenticationProviderModule(environment),
// Configure JDBC authentication core
new JDBCAuthenticationProviderModule(environment)
new JDBCAuthenticationProviderModule(environment, getSocketServiceClass(environment))
);