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GUAC-550: Use appropriate exceptions for error cases. Report when resources cannot be used because they are locked, exhausted, etc.

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This commit is contained in:
Michael Jumper
2014-03-18 22:27:20 -07:00
parent 1a4ddb5660
commit 78f7eb415d
6 changed files with 32 additions and 23 deletions
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5
extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/ActiveConnectionMap.java
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@@ -31,6 +31,7 @@ import java.util.Map;
import org.glyptodon.guacamole.GuacamoleException;
import net.sourceforge.guacamole.net.auth.mysql.dao.ConnectionHistoryMapper;
import net.sourceforge.guacamole.net.auth.mysql.model.ConnectionHistory;
import org.glyptodon.guacamole.GuacamoleResourceNotFoundException;
/**
* Represents the map of currently active Connections to the count of the number
@@ -396,7 +397,7 @@ public class ActiveConnectionMap {
Connection connection = activeConnectionMap.get(connectionID);
if(connection == null)
throw new GuacamoleException
throw new GuacamoleResourceNotFoundException
("Connection to decrement does not exist.");
// Decrement the current user count
@@ -478,7 +479,7 @@ public class ActiveConnectionMap {
connectionHistoryDAO.selectByPrimaryKey(historyID);
if(connectionHistory == null)
throw new GuacamoleException("History record not found.");
throw new GuacamoleResourceNotFoundException("History record not found.");
// Get the connection and user IDs
int connectionID = connectionHistory.getConnection_id();

10
extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/ConnectionDirectory.java
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@@ -37,6 +37,8 @@ import net.sourceforge.guacamole.net.auth.mysql.model.ConnectionPermissionKey;
import net.sourceforge.guacamole.net.auth.mysql.service.ConnectionGroupService;
import net.sourceforge.guacamole.net.auth.mysql.service.ConnectionService;
import net.sourceforge.guacamole.net.auth.mysql.service.PermissionCheckService;
import org.glyptodon.guacamole.GuacamoleResourceNotFoundException;
import org.glyptodon.guacamole.GuacamoleUnsupportedException;
import org.glyptodon.guacamole.protocol.GuacamoleConfiguration;
import org.mybatis.guice.transactional.Transactional;
@@ -231,7 +233,7 @@ public class ConnectionDirectory implements Directory<String, Connection>{
// If connection not actually from this auth provider, we can't handle
// the update
if (!(object instanceof MySQLConnection))
throw new GuacamoleException("Connection not from database.");
throw new GuacamoleUnsupportedException("Connection not from database.");
MySQLConnection mySQLConnection = (MySQLConnection) object;
@@ -263,7 +265,7 @@ public class ConnectionDirectory implements Directory<String, Connection>{
connectionService.retrieveConnection(identifier, user_id);
if(mySQLConnection == null)
throw new GuacamoleException("Connection not found.");
throw new GuacamoleResourceNotFoundException("Connection not found.");
// Verify permission to use the parent connection group for organizational purposes
permissionCheckService.verifyConnectionGroupUsageAccess
@@ -284,7 +286,7 @@ public class ConnectionDirectory implements Directory<String, Connection>{
throws GuacamoleException {
if(!(directory instanceof ConnectionDirectory))
throw new GuacamoleClientException("Directory not from database");
throw new GuacamoleUnsupportedException("Directory not from database");
Integer toConnectionGroupID = ((ConnectionDirectory)directory).parentID;
@@ -293,7 +295,7 @@ public class ConnectionDirectory implements Directory<String, Connection>{
connectionService.retrieveConnection(identifier, user_id);
if(mySQLConnection == null)
throw new GuacamoleClientException("Connection not found.");
throw new GuacamoleResourceNotFoundException("Connection not found.");
// Verify permission to update the connection
permissionCheckService.verifyConnectionAccess(this.user_id,

14
extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/ConnectionGroupDirectory.java
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@@ -34,6 +34,8 @@ import net.sourceforge.guacamole.net.auth.mysql.dao.ConnectionGroupPermissionMap
import net.sourceforge.guacamole.net.auth.mysql.model.ConnectionGroupPermissionKey;
import net.sourceforge.guacamole.net.auth.mysql.service.ConnectionGroupService;
import net.sourceforge.guacamole.net.auth.mysql.service.PermissionCheckService;
import org.glyptodon.guacamole.GuacamoleResourceNotFoundException;
import org.glyptodon.guacamole.GuacamoleUnsupportedException;
import org.mybatis.guice.transactional.Transactional;
/**
@@ -189,7 +191,7 @@ public class ConnectionGroupDirectory implements Directory<String, ConnectionGro
// If connection not actually from this auth provider, we can't handle
// the update
if (!(object instanceof MySQLConnectionGroup))
throw new GuacamoleException("Connection not from database.");
throw new GuacamoleUnsupportedException("Connection not from database.");
MySQLConnectionGroup mySQLConnectionGroup = (MySQLConnectionGroup) object;
@@ -211,7 +213,7 @@ public class ConnectionGroupDirectory implements Directory<String, ConnectionGro
connectionGroupService.retrieveConnectionGroup(identifier, user_id);
if(mySQLConnectionGroup == null)
throw new GuacamoleException("Connection group not found.");
throw new GuacamoleResourceNotFoundException("Connection group not found.");
// Verify permission to use the parent connection group for organizational purposes
permissionCheckService.verifyConnectionGroupUsageAccess
@@ -233,10 +235,10 @@ public class ConnectionGroupDirectory implements Directory<String, ConnectionGro
throws GuacamoleException {
if(MySQLConstants.CONNECTION_GROUP_ROOT_IDENTIFIER.equals(identifier))
throw new GuacamoleClientException("The root connection group cannot be moved.");
throw new GuacamoleUnsupportedException("The root connection group cannot be moved.");
if(!(directory instanceof ConnectionGroupDirectory))
throw new GuacamoleClientException("Directory not from database");
throw new GuacamoleUnsupportedException("Directory not from database");
Integer toConnectionGroupID = ((ConnectionGroupDirectory)directory).parentID;
@@ -245,7 +247,7 @@ public class ConnectionGroupDirectory implements Directory<String, ConnectionGro
connectionGroupService.retrieveConnectionGroup(identifier, user_id);
if(mySQLConnectionGroup == null)
throw new GuacamoleClientException("Connection group not found.");
throw new GuacamoleResourceNotFoundException("Connection group not found.");
// Verify permission to update the connection
permissionCheckService.verifyConnectionAccess(this.user_id,
@@ -279,7 +281,7 @@ public class ConnectionGroupDirectory implements Directory<String, ConnectionGro
Integer relativeParentID = toConnectionGroupID;
while(relativeParentID != null) {
if(relativeParentID == mySQLConnectionGroup.getConnectionGroupID())
throw new GuacamoleClientException("Connection group cycle detected.");
throw new GuacamoleUnsupportedException("Connection group cycle detected.");
MySQLConnectionGroup relativeParentGroup = connectionGroupService.
retrieveConnectionGroup(relativeParentID, user_id);

7
extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/UserDirectory.java
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@@ -52,6 +52,7 @@ import net.sourceforge.guacamole.net.auth.mysql.service.ConnectionGroupService;
import net.sourceforge.guacamole.net.auth.mysql.service.ConnectionService;
import net.sourceforge.guacamole.net.auth.mysql.service.PermissionCheckService;
import net.sourceforge.guacamole.net.auth.mysql.service.UserService;
import org.glyptodon.guacamole.GuacamoleUnsupportedException;
import org.glyptodon.guacamole.net.auth.permission.ConnectionGroupPermission;
import org.glyptodon.guacamole.net.auth.permission.ConnectionPermission;
import org.glyptodon.guacamole.net.auth.permission.Permission;
@@ -631,7 +632,7 @@ public class UserDirectory implements Directory<String, User> {
// Prevent self-de-adminifying
if (user_id == this.user_id)
throw new GuacamoleClientException("Removing your own administrative permissions is not allowed.");
throw new GuacamoleUnsupportedException("Removing your own administrative permissions is not allowed.");
// Build list of requested system permissions
List<String> systemPermissionTypes = new ArrayList<String>();
@@ -654,7 +655,7 @@ public class UserDirectory implements Directory<String, User> {
// If user not actually from this auth provider, we can't handle updated
// permissions.
if (!(object instanceof MySQLUser))
throw new GuacamoleException("User not from database.");
throw new GuacamoleUnsupportedException("User not from database.");
MySQLUser mySQLUser = (MySQLUser) object;
@@ -685,7 +686,7 @@ public class UserDirectory implements Directory<String, User> {
// Prevent self-deletion
if (user.getUserID() == this.user_id)
throw new GuacamoleClientException("Deleting your own user is not allowed.");
throw new GuacamoleUnsupportedException("Deleting your own user is not allowed.");
// Validate current user has permission to remove the specified user
permissionCheckService.verifyUserAccess(this.user_id,

12
extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/ConnectionGroupService.java
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@@ -28,7 +28,6 @@ import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.glyptodon.guacamole.GuacamoleClientException;
import org.glyptodon.guacamole.GuacamoleException;
import org.glyptodon.guacamole.net.GuacamoleSocket;
import net.sourceforge.guacamole.net.auth.mysql.ActiveConnectionMap;
@@ -40,6 +39,9 @@ import net.sourceforge.guacamole.net.auth.mysql.model.ConnectionGroup;
import net.sourceforge.guacamole.net.auth.mysql.model.ConnectionGroupExample;
import net.sourceforge.guacamole.net.auth.mysql.model.ConnectionGroupExample.Criteria;
import net.sourceforge.guacamole.net.auth.mysql.properties.MySQLGuacamoleProperties;
import org.glyptodon.guacamole.GuacamoleClientTooManyException;
import org.glyptodon.guacamole.GuacamoleResourceNotFoundException;
import org.glyptodon.guacamole.GuacamoleServerBusyException;
import org.glyptodon.guacamole.properties.GuacamoleProperties;
import org.glyptodon.guacamole.protocol.GuacamoleClientInformation;
@@ -130,7 +132,7 @@ public class ConnectionGroupService {
try {
connectionGroupID = Integer.parseInt(uniqueIdentifier);
} catch(NumberFormatException e) {
throw new GuacamoleException("Invalid connection group ID.");
throw new GuacamoleResourceNotFoundException("Invalid connection group ID.");
}
}
@@ -194,18 +196,18 @@ public class ConnectionGroupService {
activeConnectionMap.getLeastUsedConnection(connectionIDs);
if(leastUsedConnectionID == null)
throw new GuacamoleException("No connections found in group.");
throw new GuacamoleResourceNotFoundException("No connections found in group.");
if(GuacamoleProperties.getProperty(
MySQLGuacamoleProperties.MYSQL_DISALLOW_SIMULTANEOUS_CONNECTIONS, false)
&& activeConnectionMap.isActive(leastUsedConnectionID))
throw new GuacamoleClientException
throw new GuacamoleServerBusyException
("Cannot connect. All connections are in use.");
if(GuacamoleProperties.getProperty(
MySQLGuacamoleProperties.MYSQL_DISALLOW_DUPLICATE_CONNECTIONS, true)
&& activeConnectionMap.isConnectionGroupUserActive(group.getConnectionGroupID(), userID))
throw new GuacamoleClientException
throw new GuacamoleClientTooManyException
("Cannot connect. Connection group already in use by this user.");
// Get the connection

7
extensions/guacamole-auth-mysql/src/main/java/net/sourceforge/guacamole/net/auth/mysql/service/ConnectionService.java
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@@ -30,7 +30,6 @@ import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.glyptodon.guacamole.GuacamoleClientException;
import org.glyptodon.guacamole.GuacamoleException;
import org.glyptodon.guacamole.net.GuacamoleSocket;
import org.glyptodon.guacamole.net.InetGuacamoleSocket;
@@ -55,6 +54,8 @@ import org.glyptodon.guacamole.protocol.ConfiguredGuacamoleSocket;
import org.glyptodon.guacamole.protocol.GuacamoleClientInformation;
import org.glyptodon.guacamole.protocol.GuacamoleConfiguration;
import org.apache.ibatis.session.RowBounds;
import org.glyptodon.guacamole.GuacamoleClientTooManyException;
import org.glyptodon.guacamole.GuacamoleResourceConflictException;
/**
* Service which provides convenience methods for creating, retrieving, and
@@ -326,12 +327,12 @@ public class ConnectionService {
if(GuacamoleProperties.getProperty(
MySQLGuacamoleProperties.MYSQL_DISALLOW_SIMULTANEOUS_CONNECTIONS, false)
&& activeConnectionMap.isActive(connection.getConnectionID()))
throw new GuacamoleClientException("Cannot connect. This connection is in use.");
throw new GuacamoleResourceConflictException("Cannot connect. This connection is in use.");
if(GuacamoleProperties.getProperty(
MySQLGuacamoleProperties.MYSQL_DISALLOW_DUPLICATE_CONNECTIONS, true)
&& activeConnectionMap.isConnectionUserActive(connection.getConnectionID(), userID))
throw new GuacamoleClientException
throw new GuacamoleClientTooManyException
("Cannot connect. Connection already in use by this user.");
// Get guacd connection information