1 // Copyright (c) 2012 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 "net/cert/single_request_cert_verifier.h"
6
7 #include "base/bind.h"
8 #include "base/bind_helpers.h"
9 #include "net/base/net_errors.h"
10 #include "net/cert/x509_certificate.h"
11
12 namespace net {
13
SingleRequestCertVerifier(CertVerifier * cert_verifier)14 SingleRequestCertVerifier::SingleRequestCertVerifier(
15 CertVerifier* cert_verifier)
16 : cert_verifier_(cert_verifier),
17 cur_request_(NULL) {
18 DCHECK(cert_verifier_ != NULL);
19 }
20
~SingleRequestCertVerifier()21 SingleRequestCertVerifier::~SingleRequestCertVerifier() {
22 if (cur_request_) {
23 cert_verifier_->CancelRequest(cur_request_);
24 cur_request_ = NULL;
25 }
26 }
27
Verify(X509Certificate * cert,const std::string & hostname,int flags,CRLSet * crl_set,CertVerifyResult * verify_result,const CompletionCallback & callback,const BoundNetLog & net_log)28 int SingleRequestCertVerifier::Verify(X509Certificate* cert,
29 const std::string& hostname,
30 int flags,
31 CRLSet* crl_set,
32 CertVerifyResult* verify_result,
33 const CompletionCallback& callback,
34 const BoundNetLog& net_log) {
35 // Should not be already in use.
36 DCHECK(!cur_request_ && cur_request_callback_.is_null());
37
38 CertVerifier::RequestHandle request = NULL;
39
40 // We need to be notified of completion before |callback| is called, so that
41 // we can clear out |cur_request_*|.
42 int rv = cert_verifier_->Verify(
43 cert, hostname, flags, crl_set, verify_result,
44 base::Bind(&SingleRequestCertVerifier::OnVerifyCompletion,
45 base::Unretained(this)),
46 &request, net_log);
47
48 if (rv == ERR_IO_PENDING) {
49 // Cleared in OnVerifyCompletion().
50 cur_request_ = request;
51 cur_request_callback_ = callback;
52 }
53
54 return rv;
55 }
56
OnVerifyCompletion(int result)57 void SingleRequestCertVerifier::OnVerifyCompletion(int result) {
58 DCHECK(cur_request_ && !cur_request_callback_.is_null());
59
60 CompletionCallback callback = cur_request_callback_;
61
62 // Clear the outstanding request information.
63 cur_request_ = NULL;
64 cur_request_callback_.Reset();
65
66 // Call the user's original callback.
67 callback.Run(result);
68 }
69
70 } // namespace net
71