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1 /*
2  * Copyright (C) 2003, 2006 Apple Computer, Inc.  All rights reserved.
3  * Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
4  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
16  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
23  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef ResourceRequest_h
29 #define ResourceRequest_h
30 
31 #include "platform/network/FormData.h"
32 #include "platform/network/HTTPHeaderMap.h"
33 #include "platform/network/HTTPParsers.h"
34 #include "platform/network/ResourceLoadPriority.h"
35 #include "platform/weborigin/KURL.h"
36 #include "platform/weborigin/Referrer.h"
37 #include "public/platform/WebURLRequest.h"
38 #include "wtf/OwnPtr.h"
39 
40 namespace blink {
41 
42 enum ResourceRequestCachePolicy {
43     UseProtocolCachePolicy, // normal load
44     ReloadIgnoringCacheData, // reload
45     ReturnCacheDataElseLoad, // back/forward or encoding change - allow stale data
46     ReturnCacheDataDontLoad, // results of a post - allow stale data and only use cache
47     ReloadBypassingCache, // end-to-end reload
48 };
49 
50 struct CrossThreadResourceRequestData;
51 
52 class PLATFORM_EXPORT ResourceRequest {
53     WTF_MAKE_FAST_ALLOCATED;
54 public:
55     class ExtraData : public RefCounted<ExtraData> {
56     public:
~ExtraData()57         virtual ~ExtraData() { }
58     };
59 
ResourceRequest()60     ResourceRequest()
61     {
62         initialize(KURL(), UseProtocolCachePolicy);
63     }
64 
ResourceRequest(const String & urlString)65     ResourceRequest(const String& urlString)
66     {
67         initialize(KURL(ParsedURLString, urlString), UseProtocolCachePolicy);
68     }
69 
ResourceRequest(const KURL & url)70     ResourceRequest(const KURL& url)
71     {
72         initialize(url, UseProtocolCachePolicy);
73     }
74 
75     ResourceRequest(const KURL& url, const Referrer& referrer, ResourceRequestCachePolicy cachePolicy = UseProtocolCachePolicy)
76     {
77         initialize(url, cachePolicy);
78         setHTTPReferrer(referrer);
79     }
80 
81     static PassOwnPtr<ResourceRequest> adopt(PassOwnPtr<CrossThreadResourceRequestData>);
82 
83     // Gets a copy of the data suitable for passing to another thread.
84     PassOwnPtr<CrossThreadResourceRequestData> copyData() const;
85 
86     bool isNull() const;
87     bool isEmpty() const;
88 
89     const KURL& url() const;
90     void setURL(const KURL& url);
91 
92     void removeCredentials();
93 
94     ResourceRequestCachePolicy cachePolicy() const;
95     void setCachePolicy(ResourceRequestCachePolicy cachePolicy);
96 
97     double timeoutInterval() const; // May return 0 when using platform default.
98     void setTimeoutInterval(double timeoutInterval);
99 
100     const KURL& firstPartyForCookies() const;
101     void setFirstPartyForCookies(const KURL& firstPartyForCookies);
102 
103     const AtomicString& httpMethod() const;
104     void setHTTPMethod(const AtomicString&);
105 
106     const HTTPHeaderMap& httpHeaderFields() const;
107     const AtomicString& httpHeaderField(const AtomicString& name) const;
108     const AtomicString& httpHeaderField(const char* name) const;
109     void setHTTPHeaderField(const AtomicString& name, const AtomicString& value);
110     void setHTTPHeaderField(const char* name, const AtomicString& value);
111     void addHTTPHeaderField(const AtomicString& name, const AtomicString& value);
112     void addHTTPHeaderFields(const HTTPHeaderMap& headerFields);
113     void clearHTTPHeaderField(const AtomicString& name);
114 
115     void clearHTTPAuthorization();
116 
httpContentType()117     const AtomicString& httpContentType() const { return httpHeaderField("Content-Type");  }
setHTTPContentType(const AtomicString & httpContentType)118     void setHTTPContentType(const AtomicString& httpContentType) { setHTTPHeaderField("Content-Type", httpContentType); }
119 
httpReferrer()120     const AtomicString& httpReferrer() const { return httpHeaderField("Referer"); }
referrerPolicy()121     ReferrerPolicy referrerPolicy() const { return m_referrerPolicy; }
setHTTPReferrer(const Referrer & httpReferrer)122     void setHTTPReferrer(const Referrer& httpReferrer) { setHTTPHeaderField("Referer", httpReferrer.referrer); m_referrerPolicy = httpReferrer.referrerPolicy; }
123     void clearHTTPReferrer();
124 
httpOrigin()125     const AtomicString& httpOrigin() const { return httpHeaderField("Origin"); }
setHTTPOrigin(const AtomicString & httpOrigin)126     void setHTTPOrigin(const AtomicString& httpOrigin) { setHTTPHeaderField("Origin", httpOrigin); }
127     void clearHTTPOrigin();
128     void addHTTPOriginIfNeeded(const AtomicString& origin);
129 
httpUserAgent()130     const AtomicString& httpUserAgent() const { return httpHeaderField("User-Agent"); }
setHTTPUserAgent(const AtomicString & httpUserAgent)131     void setHTTPUserAgent(const AtomicString& httpUserAgent) { setHTTPHeaderField("User-Agent", httpUserAgent); }
132     void clearHTTPUserAgent();
133 
httpAccept()134     const AtomicString& httpAccept() const { return httpHeaderField("Accept"); }
setHTTPAccept(const AtomicString & httpAccept)135     void setHTTPAccept(const AtomicString& httpAccept) { setHTTPHeaderField("Accept", httpAccept); }
136 
137     FormData* httpBody() const;
138     void setHTTPBody(PassRefPtr<FormData> httpBody);
139 
140     bool allowStoredCredentials() const;
141     void setAllowStoredCredentials(bool allowCredentials);
142 
143     ResourceLoadPriority priority() const;
144     void setPriority(ResourceLoadPriority, int intraPriorityValue = 0);
145 
146     bool isConditional() const;
147 
148     // Whether the associated ResourceHandleClient needs to be notified of
149     // upload progress made for that resource.
reportUploadProgress()150     bool reportUploadProgress() const { return m_reportUploadProgress; }
setReportUploadProgress(bool reportUploadProgress)151     void setReportUploadProgress(bool reportUploadProgress) { m_reportUploadProgress = reportUploadProgress; }
152 
153     // Whether actual headers being sent/received should be collected and reported for the request.
reportRawHeaders()154     bool reportRawHeaders() const { return m_reportRawHeaders; }
setReportRawHeaders(bool reportRawHeaders)155     void setReportRawHeaders(bool reportRawHeaders) { m_reportRawHeaders = reportRawHeaders; }
156 
157     // Allows the request to be matched up with its requestor.
requestorID()158     int requestorID() const { return m_requestorID; }
setRequestorID(int requestorID)159     void setRequestorID(int requestorID) { m_requestorID = requestorID; }
160 
161     // The process id of the process from which this request originated. In
162     // the case of out-of-process plugins, this allows to link back the
163     // request to the plugin process (as it is processed through a render
164     // view process).
requestorProcessID()165     int requestorProcessID() const { return m_requestorProcessID; }
setRequestorProcessID(int requestorProcessID)166     void setRequestorProcessID(int requestorProcessID) { m_requestorProcessID = requestorProcessID; }
167 
168     // Allows the request to be matched up with its app cache host.
appCacheHostID()169     int appCacheHostID() const { return m_appCacheHostID; }
setAppCacheHostID(int id)170     void setAppCacheHostID(int id) { m_appCacheHostID = id; }
171 
172     // True if request was user initiated.
hasUserGesture()173     bool hasUserGesture() const { return m_hasUserGesture; }
setHasUserGesture(bool hasUserGesture)174     void setHasUserGesture(bool hasUserGesture) { m_hasUserGesture = hasUserGesture; }
175 
176     // True if request should be downloaded to file.
downloadToFile()177     bool downloadToFile() const { return m_downloadToFile; }
setDownloadToFile(bool downloadToFile)178     void setDownloadToFile(bool downloadToFile) { m_downloadToFile = downloadToFile; }
179 
180     // True if the request should not be handled by the ServiceWorker.
skipServiceWorker()181     bool skipServiceWorker() const { return m_skipServiceWorker; }
setSkipServiceWorker(bool skipServiceWorker)182     void setSkipServiceWorker(bool skipServiceWorker) { m_skipServiceWorker = skipServiceWorker; }
183 
184     // Extra data associated with this request.
extraData()185     ExtraData* extraData() const { return m_extraData.get(); }
setExtraData(PassRefPtr<ExtraData> extraData)186     void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; }
187 
requestContext()188     blink::WebURLRequest::RequestContext requestContext() const { return m_requestContext; }
setRequestContext(blink::WebURLRequest::RequestContext context)189     void setRequestContext(blink::WebURLRequest::RequestContext context) { m_requestContext = context; }
190 
frameType()191     blink::WebURLRequest::FrameType frameType() const { return m_frameType; }
setFrameType(blink::WebURLRequest::FrameType frameType)192     void setFrameType(blink::WebURLRequest::FrameType frameType) { m_frameType = frameType; }
193 
194     bool cacheControlContainsNoCache() const;
195     bool cacheControlContainsNoStore() const;
196     bool hasCacheValidatorFields() const;
197 
198     static double defaultTimeoutInterval(); // May return 0 when using platform default.
199     static void setDefaultTimeoutInterval(double);
200 
201     static bool compare(const ResourceRequest&, const ResourceRequest&);
202 
203 private:
204     void initialize(const KURL& url, ResourceRequestCachePolicy cachePolicy);
205 
206     const CacheControlHeader& cacheControlHeader() const;
207 
208     KURL m_url;
209     ResourceRequestCachePolicy m_cachePolicy;
210     double m_timeoutInterval; // 0 is a magic value for platform default on platforms that have one.
211     KURL m_firstPartyForCookies;
212     AtomicString m_httpMethod;
213     HTTPHeaderMap m_httpHeaderFields;
214     RefPtr<FormData> m_httpBody;
215     bool m_allowStoredCredentials : 1;
216     bool m_reportUploadProgress : 1;
217     bool m_reportRawHeaders : 1;
218     bool m_hasUserGesture : 1;
219     bool m_downloadToFile : 1;
220     bool m_skipServiceWorker : 1;
221     ResourceLoadPriority m_priority;
222     int m_intraPriorityValue;
223     int m_requestorID;
224     int m_requestorProcessID;
225     int m_appCacheHostID;
226     RefPtr<ExtraData> m_extraData;
227     blink::WebURLRequest::RequestContext m_requestContext;
228     blink::WebURLRequest::FrameType m_frameType;
229     ReferrerPolicy m_referrerPolicy;
230 
231     mutable CacheControlHeader m_cacheControlHeaderCache;
232 
233     static double s_defaultTimeoutInterval;
234 };
235 
236 bool equalIgnoringHeaderFields(const ResourceRequest&, const ResourceRequest&);
237 
238 inline bool operator==(const ResourceRequest& a, const ResourceRequest& b) { return ResourceRequest::compare(a, b); }
239 inline bool operator!=(ResourceRequest& a, const ResourceRequest& b) { return !(a == b); }
240 
241 struct CrossThreadResourceRequestData {
242     WTF_MAKE_NONCOPYABLE(CrossThreadResourceRequestData); WTF_MAKE_FAST_ALLOCATED;
243 public:
CrossThreadResourceRequestDataCrossThreadResourceRequestData244     CrossThreadResourceRequestData() { }
245     KURL m_url;
246 
247     ResourceRequestCachePolicy m_cachePolicy;
248     double m_timeoutInterval;
249     KURL m_firstPartyForCookies;
250 
251     String m_httpMethod;
252     OwnPtr<CrossThreadHTTPHeaderMapData> m_httpHeaders;
253     RefPtr<FormData> m_httpBody;
254     bool m_allowStoredCredentials;
255     bool m_reportUploadProgress;
256     bool m_hasUserGesture;
257     bool m_downloadToFile;
258     bool m_skipServiceWorker;
259     ResourceLoadPriority m_priority;
260     int m_intraPriorityValue;
261     int m_requestorID;
262     int m_requestorProcessID;
263     int m_appCacheHostID;
264     blink::WebURLRequest::RequestContext m_requestContext;
265     blink::WebURLRequest::FrameType m_frameType;
266     ReferrerPolicy m_referrerPolicy;
267 };
268 
269 unsigned initializeMaximumHTTPConnectionCountPerHost();
270 
271 } // namespace blink
272 
273 #endif // ResourceRequest_h
274