90 lines
3.5 KiB
C
90 lines
3.5 KiB
C
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/*
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* Copyright 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef RTC_BASE_RTC_CERTIFICATE_GENERATOR_H_
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#define RTC_BASE_RTC_CERTIFICATE_GENERATOR_H_
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#include <stdint.h>
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#include "absl/types/optional.h"
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#include "api/scoped_refptr.h"
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#include "rtc_base/ref_count.h"
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#include "rtc_base/rtc_certificate.h"
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#include "rtc_base/ssl_identity.h"
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#include "rtc_base/system/rtc_export.h"
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#include "rtc_base/thread.h"
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namespace rtc {
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// See |RTCCertificateGeneratorInterface::GenerateCertificateAsync|.
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class RTCCertificateGeneratorCallback : public RefCountInterface {
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public:
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virtual void OnSuccess(const scoped_refptr<RTCCertificate>& certificate) = 0;
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virtual void OnFailure() = 0;
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protected:
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~RTCCertificateGeneratorCallback() override {}
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};
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// Generates |RTCCertificate|s.
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// See |RTCCertificateGenerator| for the WebRTC repo's implementation.
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class RTCCertificateGeneratorInterface {
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public:
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virtual ~RTCCertificateGeneratorInterface() {}
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// Generates a certificate asynchronously on the worker thread.
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// Must be called on the signaling thread. The |callback| is invoked with the
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// result on the signaling thread. |exipres_ms| optionally specifies for how
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// long we want the certificate to be valid, but the implementation may choose
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// its own restrictions on the expiration time.
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virtual void GenerateCertificateAsync(
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const KeyParams& key_params,
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const absl::optional<uint64_t>& expires_ms,
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const scoped_refptr<RTCCertificateGeneratorCallback>& callback) = 0;
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};
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// Standard implementation of |RTCCertificateGeneratorInterface|.
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// The static function |GenerateCertificate| generates a certificate on the
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// current thread. The |RTCCertificateGenerator| instance generates certificates
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// asynchronously on the worker thread with |GenerateCertificateAsync|.
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class RTC_EXPORT RTCCertificateGenerator
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: public RTCCertificateGeneratorInterface {
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public:
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// Generates a certificate on the current thread. Returns null on failure.
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// If |expires_ms| is specified, the certificate will expire in approximately
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// that many milliseconds from now. |expires_ms| is limited to a year, a
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// larger value than that is clamped down to a year. If |expires_ms| is not
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// specified, a default expiration time is used.
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static scoped_refptr<RTCCertificate> GenerateCertificate(
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const KeyParams& key_params,
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const absl::optional<uint64_t>& expires_ms);
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RTCCertificateGenerator(Thread* signaling_thread, Thread* worker_thread);
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~RTCCertificateGenerator() override {}
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// |RTCCertificateGeneratorInterface| overrides.
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// If |expires_ms| is specified, the certificate will expire in approximately
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// that many milliseconds from now. |expires_ms| is limited to a year, a
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// larger value than that is clamped down to a year. If |expires_ms| is not
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// specified, a default expiration time is used.
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void GenerateCertificateAsync(
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const KeyParams& key_params,
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const absl::optional<uint64_t>& expires_ms,
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const scoped_refptr<RTCCertificateGeneratorCallback>& callback) override;
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private:
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Thread* const signaling_thread_;
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Thread* const worker_thread_;
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};
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} // namespace rtc
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#endif // RTC_BASE_RTC_CERTIFICATE_GENERATOR_H_
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