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GUACAMOLE-504: Merge changes adding support for overriding HTTP/WebSocket status codes via custom exceptions.

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This commit is contained in:
Michael Jumper
2018-02-14 15:38:00 -08:00
parent c8d825e2f3 c2ae43d2c5
commit 2da179f7f3
7 changed files with 189 additions and 51 deletions
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2
guacamole/src/main/java/org/apache/guacamole/rest/RESTExceptionWrapper.java
View File

@@ -173,7 +173,7 @@ public class RESTExceptionWrapper implements MethodInterceptor {
// Translate GuacamoleException subclasses to HTTP error codes
catch (GuacamoleException e) {
throw new APIException(
Response.Status.fromStatusCode(e.getStatus().getHttpStatusCode()),
Response.Status.fromStatusCode(e.getHttpStatusCode()),
e
);
}

48
guacamole/src/main/java/org/apache/guacamole/tunnel/websocket/jetty8/GuacamoleWebSocketTunnelServlet.java
View File

@@ -53,17 +53,42 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
private static final int BUFFER_SIZE = 8192;
/**
* Sends the given status on the given WebSocket connection and closes the
* Sends the given numeric Guacamole and WebSocket status
* on the given WebSocket connection and closes the
* connection.
*
* @param connection The WebSocket connection to close.
* @param guac_status The status to send.
* @param connection
* The WebSocket connection to close.
*
* @param guacamoleStatusCode
* The numeric Guacamole Status code to send.
*
* @param webSocketCode
* The numeric WebSocket status code to send.
*/
public static void closeConnection(Connection connection,
GuacamoleStatus guac_status) {
private static void closeConnection(Connection connection,
int guacamoleStatusCode, int webSocketCode) {
connection.close(guac_status.getWebSocketCode(),
Integer.toString(guac_status.getGuacamoleStatusCode()));
connection.close(webSocketCode,
Integer.toString(guacamoleStatusCode));
}
/**
* Sends the given status on the given WebSocket connection
* and closes the connection.
*
* @param connection
* The WebSocket connection to close.
*
* @param guacStatus
* The status to send.
*/
private static void closeConnection(Connection connection,
GuacamoleStatus guacStatus) {
closeConnection(connection, guacStatus.getGuacamoleStatusCode(),
guacStatus.getWebSocketCode());
}
@@ -114,7 +139,8 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
catch (GuacamoleException e) {
logger.error("Creation of WebSocket tunnel to guacd failed: {}", e.getMessage());
logger.debug("Error connecting WebSocket tunnel.", e);
closeConnection(connection, e.getStatus());
closeConnection(connection, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
return;
}
@@ -168,7 +194,8 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
catch (GuacamoleClientException e) {
logger.info("WebSocket connection terminated: {}", e.getMessage());
logger.debug("WebSocket connection terminated due to client error.", e);
closeConnection(connection, e.getStatus());
closeConnection(connection, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
}
catch (GuacamoleConnectionClosedException e) {
logger.debug("Connection to guacd closed.", e);
@@ -177,7 +204,8 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
catch (GuacamoleException e) {
logger.error("Connection to guacd terminated abnormally: {}", e.getMessage());
logger.debug("Internal error during connection to guacd.", e);
closeConnection(connection, e.getStatus());
closeConnection(connection, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
}
}

47
guacamole/src/main/java/org/apache/guacamole/tunnel/websocket/jetty9/GuacamoleWebSocketTunnelListener.java
View File

@@ -57,18 +57,25 @@ public abstract class GuacamoleWebSocketTunnelListener implements WebSocketListe
private GuacamoleTunnel tunnel;
/**
* Sends the given status on the given WebSocket connection and closes the
* Sends the given numeric Guacamole and WebSocket status
* codes on the given WebSocket connection and closes the
* connection.
*
* @param session The outbound WebSocket connection to close.
* @param guac_status The status to send.
* @param session
* The outbound WebSocket connection to close.
*
* @param guacamoleStatusCode
* The numeric Guacamole status code to send.
*
* @param webSocketCode
* The numeric WebSocket status code to send.
*/
private void closeConnection(Session session, GuacamoleStatus guac_status) {
private void closeConnection(Session session, int guacamoleStatusCode,
int webSocketCode) {
try {
int code = guac_status.getWebSocketCode();
String message = Integer.toString(guac_status.getGuacamoleStatusCode());
session.close(new CloseStatus(code, message));
String message = Integer.toString(guacamoleStatusCode);
session.close(new CloseStatus(webSocketCode, message));
}
catch (IOException e) {
logger.debug("Unable to close WebSocket connection.", e);
@@ -76,6 +83,24 @@ public abstract class GuacamoleWebSocketTunnelListener implements WebSocketListe
}
/**
* Sends the given status on the given WebSocket connection
* and closes the connection.
*
* @param session
* The outbound WebSocket connection to close.
*
* @param guacStatus
* The status to send.
*/
private void closeConnection(Session session,
GuacamoleStatus guacStatus) {
closeConnection(session, guacStatus.getGuacamoleStatusCode(),
guacStatus.getWebSocketCode());
}
/**
* Returns a new tunnel for the given session. How this tunnel is created
* or retrieved is implementation-dependent.
@@ -105,7 +130,7 @@ public abstract class GuacamoleWebSocketTunnelListener implements WebSocketListe
catch (GuacamoleException e) {
logger.error("Creation of WebSocket tunnel to guacd failed: {}", e.getMessage());
logger.debug("Error connecting WebSocket tunnel.", e);
closeConnection(session, e.getStatus());
closeConnection(session, e.getStatus().getGuacamoleStatusCode(), e.getWebSocketCode());
return;
}
@@ -159,7 +184,8 @@ public abstract class GuacamoleWebSocketTunnelListener implements WebSocketListe
catch (GuacamoleClientException e) {
logger.info("WebSocket connection terminated: {}", e.getMessage());
logger.debug("WebSocket connection terminated due to client error.", e);
closeConnection(session, e.getStatus());
closeConnection(session, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
}
catch (GuacamoleConnectionClosedException e) {
logger.debug("Connection to guacd closed.", e);
@@ -168,7 +194,8 @@ public abstract class GuacamoleWebSocketTunnelListener implements WebSocketListe
catch (GuacamoleException e) {
logger.error("Connection to guacd terminated abnormally: {}", e.getMessage());
logger.debug("Internal error during connection to guacd.", e);
closeConnection(session, e.getStatus());
closeConnection(session, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
}
}

47
guacamole/src/main/java/org/apache/guacamole/tunnel/websocket/tomcat/GuacamoleWebSocketTunnelServlet.java
View File

@@ -58,17 +58,25 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
private final Logger logger = LoggerFactory.getLogger(GuacamoleWebSocketTunnelServlet.class);
/**
* Sends the given status on the given WebSocket connection and closes the
* Sends the given Guacamole and WebSocket numeric status
* on the given WebSocket connection and closes the
* connection.
*
* @param outbound The outbound WebSocket connection to close.
* @param guac_status The status to send.
* @param outbound
* The outbound WebSocket connection to close.
*
* @param guacamoleStatusCode
* The status to send.
*
* @param webSocketCode
* The numeric WebSocket status code to send.
*/
public void closeConnection(WsOutbound outbound, GuacamoleStatus guac_status) {
private void closeConnection(WsOutbound outbound, int guacamoleStatusCode,
int webSocketCode) {
try {
byte[] message = Integer.toString(guac_status.getGuacamoleStatusCode()).getBytes("UTF-8");
outbound.close(guac_status.getWebSocketCode(), ByteBuffer.wrap(message));
byte[] message = Integer.toString(guacamoleStatusCode).getBytes("UTF-8");
outbound.close(webSocketCode, ByteBuffer.wrap(message));
}
catch (IOException e) {
logger.debug("Unable to close WebSocket tunnel.", e);
@@ -76,6 +84,24 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
}
/**
* Sends the given status on the given WebSocket connection
* and closes the connection.
*
* @param outbound
* The outbound WebSocket connection to close.
*
* @param guacStatus
* The status to send.
*/
private void closeConnection(WsOutbound outbound,
GuacamoleStatus guacStatus) {
closeConnection(outbound, guacStatus.getGuacamoleStatusCode(),
guacStatus.getWebSocketCode());
}
@Override
protected String selectSubProtocol(List<String> subProtocols) {
@@ -142,7 +168,8 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
catch (GuacamoleException e) {
logger.error("Creation of WebSocket tunnel to guacd failed: {}", e.getMessage());
logger.debug("Error connecting WebSocket tunnel.", e);
closeConnection(outbound, e.getStatus());
closeConnection(outbound, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
return;
}
@@ -196,7 +223,8 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
catch (GuacamoleClientException e) {
logger.info("WebSocket connection terminated: {}", e.getMessage());
logger.debug("WebSocket connection terminated due to client error.", e);
closeConnection(outbound, e.getStatus());
closeConnection(outbound, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
}
catch (GuacamoleConnectionClosedException e) {
logger.debug("Connection to guacd closed.", e);
@@ -205,7 +233,8 @@ public abstract class GuacamoleWebSocketTunnelServlet extends WebSocketServlet {
catch (GuacamoleException e) {
logger.error("Connection to guacd terminated abnormally: {}", e.getMessage());
logger.debug("Internal error during connection to guacd.", e);
closeConnection(outbound, e.getStatus());
closeConnection(outbound, e.getStatus().getGuacamoleStatusCode(),
e.getWebSocketCode());
}
}