blob: b383fb73fc6fae4f4b820140c92bcca2e60adbf8 (
plain)
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
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/command_line.h"
#include "content/public/common/content_switches.h"
#include "content/public/common/referrer.h"
namespace content {
// static.
Referrer Referrer::SanitizeForRequest(const GURL& request,
const Referrer& referrer) {
Referrer sanitized_referrer(referrer.url.GetAsReferrer(), referrer.policy);
if (!request.SchemeIsHTTPOrHTTPS() ||
!sanitized_referrer.url.SchemeIsHTTPOrHTTPS()) {
sanitized_referrer.url = GURL();
return sanitized_referrer;
}
bool is_downgrade =
sanitized_referrer.url.SchemeIsSecure() && !request.SchemeIsSecure();
switch (sanitized_referrer.policy) {
case blink::WebReferrerPolicyDefault:
if (is_downgrade) {
sanitized_referrer.url = GURL();
} else if (request.GetOrigin() != sanitized_referrer.url.GetOrigin() &&
base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kReducedReferrerGranularity)) {
sanitized_referrer.url = sanitized_referrer.url.GetOrigin();
}
break;
case blink::WebReferrerPolicyNoReferrerWhenDowngrade:
if (is_downgrade)
sanitized_referrer.url = GURL();
break;
case blink::WebReferrerPolicyAlways:
break;
case blink::WebReferrerPolicyNever:
sanitized_referrer.url = GURL();
break;
case blink::WebReferrerPolicyOrigin:
sanitized_referrer.url = sanitized_referrer.url.GetOrigin();
break;
default:
NOTREACHED();
break;
}
return sanitized_referrer;
}
} // namespace content
|
