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
|
// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.server.jetty.servlet;
import com.google.inject.AbstractModule;
import com.google.inject.Module;
import com.google.inject.util.Modules;
import com.yahoo.jdisc.AbstractResource;
import com.yahoo.jdisc.Request;
import com.yahoo.jdisc.Response;
import com.yahoo.jdisc.handler.ContentChannel;
import com.yahoo.jdisc.handler.ResponseHandler;
import com.yahoo.jdisc.http.HttpRequest;
import com.yahoo.jdisc.http.filter.RequestFilter;
import com.yahoo.jdisc.http.filter.ResponseFilter;
import com.yahoo.jdisc.http.server.jetty.FilterBindings;
import com.yahoo.jdisc.http.server.jetty.FilterInvoker;
import com.yahoo.jdisc.http.server.jetty.SimpleHttpClient.ResponseValidator;
import com.yahoo.jdisc.http.server.jetty.TestDriver;
import com.yahoo.jdisc.http.server.jetty.TestDrivers;
import org.junit.Test;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.net.URI;
import java.nio.ByteBuffer;
import java.nio.charset.StandardCharsets;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.is;
/**
* @author Tony Vaagenes
* @author bjorncs
*/
public class JDiscFilterForServletTest extends ServletTestBase {
@Test
public void request_filter_can_return_response() throws IOException, InterruptedException {
TestDriver testDriver = requestFilterTestDriver();
ResponseValidator response = httpGet(testDriver, TestServlet.PATH).execute();
response.expectContent(containsString(TestRequestFilter.responseContent));
}
@Test
public void request_can_be_forwarded_through_request_filter_to_servlet() throws IOException {
TestDriver testDriver = requestFilterTestDriver();
ResponseValidator response = httpGet(testDriver, TestServlet.PATH).
addHeader(TestRequestFilter.BYPASS_FILTER_HEADER, Boolean.TRUE.toString()).
execute();
response.expectContent(containsString(TestServlet.RESPONSE_CONTENT));
}
@Test
public void response_filter_can_modify_response() throws IOException {
TestDriver testDriver = responseFilterTestDriver();
ResponseValidator response = httpGet(testDriver, TestServlet.PATH).execute();
response.expectHeader(TestResponseFilter.INVOKED_HEADER, is(Boolean.TRUE.toString()));
}
@Test
public void response_filter_is_run_on_empty_sync_response() throws IOException {
TestDriver testDriver = responseFilterTestDriver();
ResponseValidator response = httpGet(testDriver, NoContentTestServlet.PATH).execute();
response.expectHeader(TestResponseFilter.INVOKED_HEADER, is(Boolean.TRUE.toString()));
}
@Test
public void response_filter_is_run_on_empty_async_response() throws IOException {
TestDriver testDriver = responseFilterTestDriver();
ResponseValidator response = httpGet(testDriver, NoContentTestServlet.PATH).
addHeader(NoContentTestServlet.HEADER_ASYNC, Boolean.TRUE.toString()).
execute();
response.expectHeader(TestResponseFilter.INVOKED_HEADER, is(Boolean.TRUE.toString()));
}
private TestDriver requestFilterTestDriver() throws IOException {
FilterBindings filterBindings = new FilterBindings.Builder()
.addRequestFilter("my-request-filter", new TestRequestFilter())
.addRequestFilterBinding("my-request-filter", "http://*/*")
.build();
return TestDrivers.newInstance(dummyRequestHandler, bindings(filterBindings));
}
private TestDriver responseFilterTestDriver() throws IOException {
FilterBindings filterBindings = new FilterBindings.Builder()
.addResponseFilter("my-response-filter", new TestResponseFilter())
.addResponseFilterBinding("my-response-filter", "http://*/*")
.build();
return TestDrivers.newInstance(dummyRequestHandler, bindings(filterBindings));
}
private Module bindings(FilterBindings filterBindings) {
return Modules.combine(
new AbstractModule() {
@Override
protected void configure() {
bind(FilterBindings.class).toInstance(filterBindings);
bind(FilterInvoker.class).toInstance(new FilterInvoker() {
@Override
public HttpServletRequest invokeRequestFilterChain(
RequestFilter requestFilter,
URI uri,
HttpServletRequest httpRequest,
ResponseHandler responseHandler) {
TestRequestFilter filter = (TestRequestFilter) requestFilter;
filter.runAsSecurityFilter(httpRequest, responseHandler);
return httpRequest;
}
@Override
public void invokeResponseFilterChain(
ResponseFilter responseFilter,
URI uri,
HttpServletRequest request,
HttpServletResponse response) {
TestResponseFilter filter = (TestResponseFilter) responseFilter;
filter.runAsSecurityFilter(request, response);
}
});
}
},
guiceModule());
}
static class TestRequestFilter extends AbstractResource implements RequestFilter {
static final String simpleName = TestRequestFilter.class.getSimpleName();
static final String responseContent = "Rejected by " + simpleName;
static final String BYPASS_FILTER_HEADER = "BYPASS_HEADER" + simpleName;
@Override
public void filter(HttpRequest request, ResponseHandler handler) {
throw new UnsupportedOperationException();
}
public void runAsSecurityFilter(HttpServletRequest request, ResponseHandler responseHandler) {
if (Boolean.parseBoolean(request.getHeader(BYPASS_FILTER_HEADER)))
return;
ContentChannel contentChannel = responseHandler.handleResponse(new Response(500));
contentChannel.write(ByteBuffer.wrap(responseContent.getBytes(StandardCharsets.UTF_8)), null);
contentChannel.close(null);
}
}
static class TestResponseFilter extends AbstractResource implements ResponseFilter {
static final String INVOKED_HEADER = TestResponseFilter.class.getSimpleName() + "_INVOKED_HEADER";
@Override
public void filter(Response response, Request request) {
throw new UnsupportedClassVersionError();
}
public void runAsSecurityFilter(HttpServletRequest request, HttpServletResponse response) {
response.addHeader(INVOKED_HEADER, Boolean.TRUE.toString());
}
}
}
|
