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| 1 // Copyright 2016 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/internal/trust_store_collection.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/callback_helpers.h" |
| 9 #include "net/cert/internal/parsed_certificate.h" |
| 10 |
| 11 namespace net { |
| 12 |
| 13 namespace { |
| 14 |
| 15 class CollectionRequest : public TrustStore::Request { |
| 16 public: |
| 17 explicit CollectionRequest(const TrustStore::TrustCallback& callback); |
| 18 ~CollectionRequest() override; |
| 19 |
| 20 void AddRequest(std::unique_ptr<TrustStore::Request> request); |
| 21 bool has_requests() const { return num_pending_requests_; } |
| 22 |
| 23 void OnGotTrust(bool is_trusted); |
| 24 |
| 25 private: |
| 26 TrustStore::TrustCallback callback_; |
| 27 |
| 28 size_t num_pending_requests_ = 0; |
| 29 std::vector<std::unique_ptr<TrustStore::Request>> requests_; |
| 30 |
| 31 DISALLOW_COPY_AND_ASSIGN(CollectionRequest); |
| 32 }; |
| 33 |
| 34 CollectionRequest::CollectionRequest(const TrustStore::TrustCallback& callback) |
| 35 : callback_(callback) {} |
| 36 |
| 37 CollectionRequest::~CollectionRequest() = default; |
| 38 |
| 39 void CollectionRequest::AddRequest( |
| 40 std::unique_ptr<TrustStore::Request> request) { |
| 41 requests_.push_back(std::move(request)); |
| 42 num_pending_requests_++; |
| 43 } |
| 44 |
| 45 void CollectionRequest::OnGotTrust(bool is_trusted) { |
| 46 DCHECK_GT(num_pending_requests_, 0U); |
| 47 num_pending_requests_--; |
| 48 |
| 49 if (is_trusted || num_pending_requests_ == 0U) { |
| 50 // Got a positive trust result, or all the requests completed without a |
| 51 // positive result. Delete all the Request handles so that any remaining |
| 52 // sub-requests are cancelled. |
| 53 requests_.clear(); |
| 54 num_pending_requests_ = 0; |
| 55 // Run the callback last, since it may delete |this|. |
| 56 base::ResetAndReturn(&callback_).Run(is_trusted); |
| 57 // |this| may be deleted here. |
| 58 } |
| 59 } |
| 60 |
| 61 } // namespace |
| 62 |
| 63 TrustStoreCollection::TrustStoreCollection() = default; |
| 64 TrustStoreCollection::~TrustStoreCollection() = default; |
| 65 |
| 66 void TrustStoreCollection::AddStore(TrustStore* store) { |
| 67 stores_.push_back(store); |
| 68 cert_sources_.AddSource(store); |
| 69 } |
| 70 |
| 71 void TrustStoreCollection::IsTrustedCertificate( |
| 72 scoped_refptr<ParsedCertificate> cert, |
| 73 const TrustCallback& callback, |
| 74 bool* out_trusted, |
| 75 std::unique_ptr<TrustStore::Request>* out_req) const { |
| 76 std::unique_ptr<CollectionRequest> collection_req( |
| 77 new CollectionRequest(callback)); |
| 78 |
| 79 *out_trusted = false; |
| 80 out_req->reset(); |
| 81 |
| 82 for (TrustStore* store : stores_) { |
| 83 std::unique_ptr<TrustStore::Request> req; |
| 84 store->IsTrustedCertificate( |
| 85 cert, base::Bind(&CollectionRequest::OnGotTrust, |
| 86 base::Unretained(collection_req.get())), |
| 87 out_trusted, &req); |
| 88 if (!req && *out_trusted) { |
| 89 // Got a synchronous trust result. Return immediately. |
| 90 return; |
| 91 } |
| 92 if (req) |
| 93 collection_req->AddRequest(std::move(req)); |
| 94 } |
| 95 |
| 96 if (collection_req->has_requests()) |
| 97 *out_req = std::move(collection_req); |
| 98 } |
| 99 |
| 100 void TrustStoreCollection::SyncGetIssuersOf(const ParsedCertificate* cert, |
| 101 ParsedCertificateList* issuers) { |
| 102 cert_sources_.SyncGetIssuersOf(std::move(cert), issuers); |
| 103 } |
| 104 |
| 105 void TrustStoreCollection::AsyncGetIssuersOf( |
| 106 scoped_refptr<ParsedCertificate> cert, |
| 107 const IssuerCallback& callback, |
| 108 std::unique_ptr<CertIssuerSource::Request>* out_req) { |
| 109 cert_sources_.AsyncGetIssuersOf(std::move(cert), callback, out_req); |
| 110 } |
| 111 |
| 112 } // namespace net |
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