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
|
/*
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "core/html/LinkResource.h"
#include "core/HTMLNames.h"
#include "core/dom/Document.h"
#include "core/html/HTMLLinkElement.h"
#include "core/html/imports/HTMLImportsController.h"
#include "platform/weborigin/SecurityPolicy.h"
namespace blink {
using namespace HTMLNames;
LinkResource::LinkResource(HTMLLinkElement* owner) : m_owner(owner) {}
LinkResource::~LinkResource() {}
bool LinkResource::shouldLoadResource() const {
return m_owner->document().frame() || m_owner->document().importsController();
}
LocalFrame* LinkResource::loadingFrame() const {
HTMLImportsController* importsController =
m_owner->document().importsController();
if (!importsController)
return m_owner->document().frame();
return importsController->master()->frame();
}
DEFINE_TRACE(LinkResource) {
visitor->trace(m_owner);
}
LinkRequestBuilder::LinkRequestBuilder(HTMLLinkElement* owner)
: m_owner(owner), m_url(owner->getNonEmptyURLAttribute(hrefAttr)) {
m_charset = m_owner->getAttribute(charsetAttr);
if (m_charset.isEmpty() && m_owner->document().frame())
m_charset = m_owner->document().characterSet();
}
FetchRequest LinkRequestBuilder::build(bool lowPriority) const {
ResourceRequest resourceRequest(m_owner->document().completeURL(m_url));
ReferrerPolicy referrerPolicy = m_owner->referrerPolicy();
if (referrerPolicy != ReferrerPolicyDefault) {
resourceRequest.setHTTPReferrer(SecurityPolicy::generateReferrer(
referrerPolicy, m_url, m_owner->document().outgoingReferrer()));
}
FetchRequest request(resourceRequest, m_owner->localName(), m_charset);
if (lowPriority)
request.setDefer(FetchRequest::LazyLoad);
request.setContentSecurityPolicyNonce(
m_owner->fastGetAttribute(HTMLNames::nonceAttr));
return request;
}
} // namespace blink
|
