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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/*
* ============LICENSE_START=======================================================
* ONAP : ccsdk features
* ================================================================================
* Copyright (C) 2020 highstreet technologies GmbH 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.ccsdk.features.sdnr.wt.dataprovider.http;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.Base64;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.servlet.Servlet;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.json.JSONObject;
import org.onap.ccsdk.features.sdnr.wt.common.http.BaseHTTPClient;
import org.onap.ccsdk.features.sdnr.wt.dataprovider.model.HtUserdataManager;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.http.whiteboard.propertytypes.HttpWhiteboardServletName;
import org.osgi.service.http.whiteboard.propertytypes.HttpWhiteboardServletPattern;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@HttpWhiteboardServletPattern({"/userdata","/userdata/*"})
@HttpWhiteboardServletName("UserdataHttpServlet")
@Component(service = Servlet.class)
public class UserdataHttpServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
private static final Logger LOG = LoggerFactory.getLogger(UserdataHttpServlet.class);
private static final String REGEX = "^\\/userdata[\\/]?([a-zA-Z0-9\\.]+)?$";
private static final Pattern PATTERN = Pattern.compile(REGEX);
private static final String JWT_PAYLOAD_USERNAME_PROPERTYKEY = "sub";
private static HtUserdataManager dbUserManager;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
final String uri = req.getRequestURI();
final Matcher matcher = PATTERN.matcher(uri);
if (matcher.find()) {
LOG.debug("GET found match");
this.handleGetRequest(req, resp, matcher.groupCount() > 0 ? matcher.group(1) : null);
} else {
LOG.debug("no valid request");
super.doGet(req, resp);
}
}
@Override
protected void doPut(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
final String uri = req.getRequestURI();
final Matcher matcher = PATTERN.matcher(uri);
if (matcher.find()) {
LOG.debug("PUT found match");
final String payload = getPayload(req);
this.handlePutRequest(req, resp, payload, matcher.groupCount() > 0 ? matcher.group(1) : null);
} else {
LOG.debug("no valid request");
super.doPut(req, resp);
}
}
private String getPayload(HttpServletRequest req) throws IOException {
return DataTreeHttpServlet.readPayload(req);
}
@Override
protected void doDelete(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
final String uri = req.getRequestURI();
final Matcher matcher = PATTERN.matcher(uri);
if (matcher.find()) {
LOG.debug("DELETE found match");
this.handleDeleteRequest(req, resp, matcher.groupCount() > 0 ? matcher.group(1) : null);
} else {
LOG.debug("no valid request");
super.doPut(req, resp);
}
}
private void handleGetRequest(HttpServletRequest req, HttpServletResponse resp, String key) {
final String username = this.getUsername(req);
if (username == null) {
resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
sendJsonResponse(resp,
key == null ? dbUserManager.getUserdata(username) : dbUserManager.getUserdata(username, key));
}
private void handlePutRequest(HttpServletRequest req, HttpServletResponse resp, String data, String key) {
final String username = this.getUsername(req);
if (username == null) {
resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
boolean success = key == null ? dbUserManager.setUserdata(username, data)
: dbUserManager.setUserdata(username, key, data);
resp.setStatus(success ? HttpServletResponse.SC_OK : HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
private void handleDeleteRequest(HttpServletRequest req, HttpServletResponse resp, String key) {
final String username = this.getUsername(req);
if (username == null) {
resp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return;
}
boolean success =
key == null ? dbUserManager.removeUserdata(username) : dbUserManager.removeUserdata(username, key);
resp.setStatus(success ? HttpServletResponse.SC_OK : HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
}
private String getUsername(HttpServletRequest req) {
final String authHeader = req.getHeader("Authorization");
if (authHeader == null) {
return null;
}
String username = null;
if (authHeader.startsWith("Basic")) {
username = BaseHTTPClient.decodeBasicAuthHeaderUsername(authHeader);
} else if (authHeader.startsWith("Bearer")) {
username = decodeJWTPayloadUsername(authHeader, JWT_PAYLOAD_USERNAME_PROPERTYKEY);
}
return username;
}
public static String decodeJWTPayloadUsername(String authHeader, String key) {
String username = null;
if (authHeader.startsWith("Bearer")) {
authHeader = authHeader.substring(7);
}
String[] tmp = authHeader.split("\\.");
if (tmp.length == 3) {
final String decoded = new String(Base64.getDecoder().decode(tmp[1]));
JSONObject o = new JSONObject(decoded);
if (o.has(key)) {
username = o.getString(key);
if (username != null && username.contains("@")) {
username = username.split("@")[0];
}
}
}
return username;
}
private static void sendJsonResponse(HttpServletResponse resp, String userdata) {
resp.setContentType("application/json");
resp.setStatus(HttpServletResponse.SC_OK);
try {
resp.getOutputStream().write(userdata.getBytes(StandardCharsets.UTF_8));
} catch (IOException e) {
LOG.warn("problem sending response: ", e);
}
}
public void setDatabaseClient(HtUserdataManager dbMgr) {
dbUserManager = dbMgr;
}
}
|
