1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/*-
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
* ================================================================================
* 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
*
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dmaap.dbcapi.resources;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.eclipse.jetty.http.HttpStatus;
import org.onap.dmaap.dbcapi.logging.BaseLoggingClass;
import org.onap.dmaap.dbcapi.model.ApiError;
import org.onap.dmaap.dbcapi.service.DmaapService;
import org.onap.dmaap.dbcapi.util.DmaapConfig;
import org.onap.dmaap.dbcapi.util.PermissionBuilder;
public class AAFAuthorizationFilter extends BaseLoggingClass implements Filter {
static final String CADI_AUTHZ_FLAG = "enableCADI";
private boolean isCadiEnabled = false;
private PermissionBuilder permissionBuilder;
@Override
public void init(FilterConfig filterConfig) throws ServletException {
DmaapConfig dmaapConfig = getConfig();
isCadiEnabled = "true".equalsIgnoreCase(dmaapConfig.getProperty(CADI_AUTHZ_FLAG, "false"));
if(isCadiEnabled) {
permissionBuilder = new PermissionBuilder(dmaapConfig, getDmaapService());
}
}
@Override
public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain)
throws IOException, ServletException {
if(isCadiEnabled) {
HttpServletRequest httpRequest = (HttpServletRequest) servletRequest;
permissionBuilder.updateDmaapInstance();
String permission = permissionBuilder.buildPermission(httpRequest);
if (httpRequest.isUserInRole(permission)) {
logger.info("User " + httpRequest.getUserPrincipal().getName() + " has permission " + permission);
filterChain.doFilter(servletRequest, servletResponse);
} else {
String msg = "User " + httpRequest.getUserPrincipal().getName() + " does not have permission " + permission;
errorLogger.error(msg);
((HttpServletResponse) servletResponse).setStatus(HttpStatus.FORBIDDEN_403);
servletResponse.setContentType("application/json");
servletResponse.setCharacterEncoding("UTF-8");
servletResponse.getWriter().print(buildErrorResponse(msg));
servletResponse.getWriter().flush();
}
} else {
filterChain.doFilter(servletRequest, servletResponse);
}
}
@Override
public void destroy() {
//nothing to cleanup
}
DmaapConfig getConfig() {
return (DmaapConfig) DmaapConfig.getConfig();
}
DmaapService getDmaapService() {
return new DmaapService();
}
private String buildErrorResponse(String msg) {
try {
return new ObjectMapper().writeValueAsString(new ApiError(HttpStatus.FORBIDDEN_403, msg, "Authorization"));
} catch (JsonProcessingException e) {
logger.warn("Could not serialize response entity: " + e.getMessage());
return "";
}
}
PermissionBuilder getPermissionBuilder() {
return permissionBuilder;
}
void setPermissionBuilder(PermissionBuilder permissionBuilder) {
this.permissionBuilder = permissionBuilder;
}
void setCadiEnabled(boolean cadiEnabled) {
isCadiEnabled = cadiEnabled;
}
}
|
