blob: e6d5e67bc575f4abca3113e464170b9897f84cbe (
plain) (
blame)
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
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.jdisc.http.filter;
import com.yahoo.jdisc.AbstractResource;
import com.yahoo.jdisc.Request;
import com.yahoo.jdisc.Response;
import com.yahoo.jdisc.http.HttpRequest;
import java.net.URI;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
/**
* Implementation of TypedFilterChain for DiscFilterResponse
*
* @author Tejal Knot
*/
public class SecurityResponseFilterChain extends AbstractResource implements ResponseFilter {
private final List<SecurityResponseFilter> filters = new ArrayList<>();
private SecurityResponseFilterChain(Iterable<? extends SecurityResponseFilter> filters) {
for (SecurityResponseFilter filter : filters) {
this.filters.add(filter);
}
}
@Override
public void filter(Response response, Request request) {
DiscFilterResponse discFilterResponse = new DiscFilterResponse(response);
RequestView requestView = new RequestViewImpl(request);
filter(requestView, discFilterResponse);
}
public void filter(RequestView requestView, DiscFilterResponse response) {
for (SecurityResponseFilter filter : filters) {
filter.filter(response, requestView);
}
}
public static ResponseFilter newInstance(SecurityResponseFilter... filters) {
return newInstance(Arrays.asList(filters));
}
public static ResponseFilter newInstance(List<? extends SecurityResponseFilter> filters) {
return new SecurityResponseFilterChain(filters);
}
/** Returns an unmodifiable view of the filters in this */
public List<SecurityResponseFilter> getFilters() {
return Collections.unmodifiableList(filters);
}
static class RequestViewImpl implements RequestView {
private final Request request;
private final Optional<HttpRequest.Method> method;
public RequestViewImpl(Request request) {
this.request = request;
method = request instanceof HttpRequest ?
Optional.of(((HttpRequest) request).getMethod()):
Optional.empty();
}
@Override
public Object getAttribute(String name) {
return request.context().get(name);
}
@Override
public List<String> getHeaders(String name) {
List<String> headers = request.headers().get(name);
return headers == null ? Collections.emptyList() : Collections.unmodifiableList(headers);
}
@Override
public Optional<String> getFirstHeader(String name) {
return getHeaders(name).stream().findFirst();
}
@Override
public Optional<HttpRequest.Method> getMethod() {
return method;
}
@Override
public URI getUri() {
return request.getUri();
}
}
}
|
