96 lines
3.5 KiB
C
96 lines
3.5 KiB
C
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/*
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* Copyright 2015 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_H_
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#define RTC_BASE_RTC_CERTIFICATE_H_
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#include <stdint.h>
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#include <memory>
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#include <string>
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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/system/rtc_export.h"
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namespace rtc {
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class SSLCertChain;
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class SSLCertificate;
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class SSLIdentity;
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// This class contains PEM strings of an RTCCertificate's private key and
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// certificate and acts as a text representation of RTCCertificate. Certificates
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// can be serialized and deserialized to and from this format, which allows for
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// cloning and storing of certificates to disk. The PEM format is that of
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// |SSLIdentity::PrivateKeyToPEMString| and |SSLCertificate::ToPEMString|, e.g.
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// the string representations used by OpenSSL.
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class RTCCertificatePEM {
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public:
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RTCCertificatePEM(const std::string& private_key,
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const std::string& certificate)
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: private_key_(private_key), certificate_(certificate) {}
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const std::string& private_key() const { return private_key_; }
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const std::string& certificate() const { return certificate_; }
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private:
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std::string private_key_;
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std::string certificate_;
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};
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// A thin abstraction layer between "lower level crypto stuff" like
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// SSLCertificate and WebRTC usage. Takes ownership of some lower level objects,
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// reference counting protects these from premature destruction.
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class RTC_EXPORT RTCCertificate : public RefCountInterface {
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public:
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// Takes ownership of |identity|.
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static scoped_refptr<RTCCertificate> Create(
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std::unique_ptr<SSLIdentity> identity);
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// Returns the expiration time in ms relative to epoch, 1970-01-01T00:00:00Z.
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uint64_t Expires() const;
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// Checks if the certificate has expired, where |now| is expressed in ms
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// relative to epoch, 1970-01-01T00:00:00Z.
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bool HasExpired(uint64_t now) const;
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const SSLCertificate& GetSSLCertificate() const;
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const SSLCertChain& GetSSLCertificateChain() const;
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// Deprecated: TODO(benwright) - Remove once chromium is updated.
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const SSLCertificate& ssl_certificate() const;
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// TODO(hbos): If possible, remove once RTCCertificate and its
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// GetSSLCertificate() is used in all relevant places. Should not pass around
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// raw SSLIdentity* for the sake of accessing SSLIdentity::certificate().
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// However, some places might need SSLIdentity* for its public/private key...
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SSLIdentity* identity() const { return identity_.get(); }
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// To/from PEM, a text representation of the RTCCertificate.
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RTCCertificatePEM ToPEM() const;
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// Can return nullptr if the certificate is invalid.
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static scoped_refptr<RTCCertificate> FromPEM(const RTCCertificatePEM& pem);
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bool operator==(const RTCCertificate& certificate) const;
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bool operator!=(const RTCCertificate& certificate) const;
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protected:
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explicit RTCCertificate(SSLIdentity* identity);
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~RTCCertificate() override;
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private:
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// The SSLIdentity is the owner of the SSLCertificate. To protect our
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// GetSSLCertificate() we take ownership of |identity_|.
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const std::unique_ptr<SSLIdentity> identity_;
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};
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} // namespace rtc
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#endif // RTC_BASE_RTC_CERTIFICATE_H_
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