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67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef NET_CERT_INTERNAL_CERT_ISSUER_SOURCE_H_
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#define NET_CERT_INTERNAL_CERT_ISSUER_SOURCE_H_
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#include <memory>
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#include <vector>
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#include "net/base/net_export.h"
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#include "net/cert/internal/parsed_certificate.h"
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namespace net {
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// Interface for looking up issuers of a certificate during path building.
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// Provides a synchronous and asynchronous method for retrieving issuers, so the
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// path builder can try to complete synchronously first. The caller is expected
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// to call SyncGetIssuersOf first, see if it can make progress with those
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// results, and if not, then fall back to calling AsyncGetIssuersOf.
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// An implementations may choose to return results from either one of the Get
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// methods, or from both.
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class NET_EXPORT CertIssuerSource {
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public:
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class NET_EXPORT Request {
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public:
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Request() = default;
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// Destruction of the Request cancels it.
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virtual ~Request() = default;
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// Retrieves issuers and appends them to |issuers|.
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//
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// GetNext should be called again to retrieve any remaining issuers.
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//
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// If no issuers are left then |issuers| will not be modified. This
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// indicates that the issuers have been exhausted and GetNext() should
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// not be called again.
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virtual void GetNext(ParsedCertificateList* issuers) = 0;
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private:
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DISALLOW_COPY_AND_ASSIGN(Request);
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};
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virtual ~CertIssuerSource() = default;
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// Finds certificates whose Subject matches |cert|'s Issuer.
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// Matches are appended to |issuers|. Any existing contents of |issuers| will
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// not be modified. If the implementation does not support synchronous
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// lookups, or if there are no matches, |issuers| is not modified.
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virtual void SyncGetIssuersOf(const ParsedCertificate* cert,
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ParsedCertificateList* issuers) = 0;
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// Finds certificates whose Subject matches |cert|'s Issuer.
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// If the implementation does not support asynchronous lookups or can
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// determine synchronously that it would return no results, |*out_req|
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// will be set to nullptr.
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//
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// Otherwise a request is started and saved to |out_req|. The results can be
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// read through the Request interface.
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virtual void AsyncGetIssuersOf(const ParsedCertificate* cert,
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std::unique_ptr<Request>* out_req) = 0;
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};
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} // namespace net
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#endif // NET_CERT_INTERNAL_CERT_ISSUER_SOURCE_H_
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