1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "config.h"
6 #include "FetchResponseData.h"
7
8 #include "core/fetch/CrossOriginAccessControl.h"
9 #include "modules/serviceworkers/FetchHeaderList.h"
10 #include "public/platform/WebServiceWorkerResponse.h"
11
12 namespace blink {
13
create()14 FetchResponseData* FetchResponseData::create()
15 {
16 // "Unless stated otherwise, a response's url is null, status is 200, status
17 // message is `OK`, header list is an empty header list, and body is null."
18 return new FetchResponseData(DefaultType, 200, "OK");
19 }
20
createNetworkErrorResponse()21 FetchResponseData* FetchResponseData::createNetworkErrorResponse()
22 {
23 // "A network error is a response whose status is always 0, status message
24 // is always the empty byte sequence, header list is aways an empty list,
25 // and body is always null."
26 return new FetchResponseData(ErrorType, 0, "");
27 }
28
createBasicFilteredResponse()29 FetchResponseData* FetchResponseData::createBasicFilteredResponse()
30 {
31 // "A basic filtered response is a filtered response whose type is |basic|,
32 // header list excludes any headers in internal response's header list whose
33 // name is `Set-Cookie` or `Set-Cookie2`."
34 FetchResponseData* response = new FetchResponseData(BasicType, m_status, m_statusMessage);
35 response->m_url = m_url;
36 for (size_t i = 0; i < m_headerList->size(); ++i) {
37 const FetchHeaderList::Header* header = m_headerList->list()[i].get();
38 if (header->first == "set-cookie" || header->first == "set-cookie2")
39 continue;
40 response->m_headerList->append(header->first, header->second);
41 }
42 response->m_blobDataHandle = m_blobDataHandle;
43 response->m_internalResponse = this;
44 return response;
45 }
46
createCORSFilteredResponse()47 FetchResponseData* FetchResponseData::createCORSFilteredResponse()
48 {
49 // "A CORS filtered response is a filtered response whose type is |CORS|,
50 // header list excludes all headers in internal response's header list,
51 // except those whose name is either one of `Cache-Control`,
52 // `Content-Language`, `Content-Type`, `Expires`, `Last-Modified`, and
53 // `Pragma`, and except those whose name is one of the values resulting from
54 // parsing `Access-Control-Expose-Headers` in internal response's header
55 // list."
56 FetchResponseData* response = new FetchResponseData(CORSType, m_status, m_statusMessage);
57 response->m_url = m_url;
58 HTTPHeaderSet accessControlExposeHeaderSet;
59 String accessControlExposeHeaders;
60 if (m_headerList->get("access-control-expose-headers", accessControlExposeHeaders))
61 parseAccessControlExposeHeadersAllowList(accessControlExposeHeaders, accessControlExposeHeaderSet);
62 for (size_t i = 0; i < m_headerList->size(); ++i) {
63 const FetchHeaderList::Header* header = m_headerList->list()[i].get();
64 if (!isOnAccessControlResponseHeaderWhitelist(header->first) && !accessControlExposeHeaderSet.contains(header->first))
65 continue;
66 response->m_headerList->append(header->first, header->second);
67 }
68 response->m_blobDataHandle = m_blobDataHandle;
69 response->m_internalResponse = this;
70 return response;
71 }
72
createOpaqueFilteredResponse()73 FetchResponseData* FetchResponseData::createOpaqueFilteredResponse()
74 {
75 // "An opaque filtered response is a filtered response whose type is
76 // |opaque|, status is 0, status message is the empty byte sequence, header
77 // list is an empty list, and body is null."
78 FetchResponseData* response = new FetchResponseData(OpaqueType, 0, "");
79 response->m_internalResponse = this;
80 return response;
81 }
82
populateWebServiceWorkerResponse(WebServiceWorkerResponse & response)83 void FetchResponseData::populateWebServiceWorkerResponse(WebServiceWorkerResponse& response)
84 {
85 if (m_internalResponse) {
86 m_internalResponse->populateWebServiceWorkerResponse(response);
87 return;
88 }
89 response.setURL(url());
90 response.setStatus(status());
91 response.setStatusText(statusMessage());
92 for (size_t i = 0; i < headerList()->size(); ++i) {
93 const FetchHeaderList::Header* header = headerList()->list()[i].get();
94 response.appendHeader(header->first, header->second);
95 }
96 response.setBlobDataHandle(blobDataHandle());
97 }
98
FetchResponseData(Type type,unsigned short status,AtomicString statusMessage)99 FetchResponseData::FetchResponseData(Type type, unsigned short status, AtomicString statusMessage)
100 : m_type(type)
101 , m_status(status)
102 , m_statusMessage(statusMessage)
103 , m_headerList(FetchHeaderList::create())
104 {
105 }
106
trace(Visitor * visitor)107 void FetchResponseData::trace(Visitor* visitor)
108 {
109 visitor->trace(m_headerList);
110 visitor->trace(m_internalResponse);
111 }
112
113 } // namespace blink
114