securityattributes.hxx

一个著名的SIP协议栈

#ifndef RESIP_SecurityAttributes_hxx
#define RESIP_SecurityAttributes_hxx

#include <iostream>

#include "rutil/Data.hxx"

namespace resip
{

enum SignatureStatus
{
   SignatureNone, // there is no signature
   SignatureIsBad,
   SignatureTrusted, // It is signed with trusted signature
   SignatureCATrusted, // signature is new and is signed by a root we trust
   SignatureNotTrusted, // signature is new and is not signed by a CA we
   SignatureSelfSigned
};

class SecurityAttributes
{
   public:
      SecurityAttributes();
      ~SecurityAttributes();      

      typedef enum {None, Sign, Encrypt, SignAndEncrypt} OutgoingEncryptionLevel;

      typedef enum {From, FailedIdentity, Identity} IdentityStrength;

      SignatureStatus getSignatureStatus() const
      {
         return mSigStatus;
      }

      bool isEncrypted() const
      {
         return mIsEncrypted;
      }
      void setEncrypted()
      {
         mIsEncrypted = true;
      }
      
      void setSignatureStatus(SignatureStatus status)
      {
         mSigStatus = status;
      }

      void setIdentity(const Data& identity)
      {
         mIdentity = identity;
      }

      const Data& getIdentity() const
      {
         return mIdentity;
      }

      void setIdentityStrength(IdentityStrength strength)
      {
         mStrength = strength;         
      }      

      IdentityStrength getIdentityStrength() const
      {
         return mStrength;
      }
      
      void setSigner(const Data& signer)
      {
         mSigner = signer;
      }

      const Data& getSigner() const
      {
         return mSigner;
      }

      OutgoingEncryptionLevel getOutgoingEncryptionLevel() const
      {
         return mLevel;
      }

      void setOutgoingEncryptionLevel(OutgoingEncryptionLevel level)
      {
         mLevel = level;
      }

      bool encryptionPerformed() const
      {
         return mEncryptionPerformed;
      }

      void setEncryptionPerformed(bool performed)
      {
         mEncryptionPerformed = performed;
      }

   friend std::ostream& operator<<(std::ostream& strm, const SecurityAttributes& sa);

   private:
      bool mIsEncrypted;
      SignatureStatus mSigStatus;
      Data mSigner;
      Data mIdentity;
      IdentityStrength mStrength;
      OutgoingEncryptionLevel mLevel; // for outgoing messages.
      bool mEncryptionPerformed;
};

   std::ostream& operator<<(std::ostream& strm, const SecurityAttributes& sa);
}

#endif

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