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nsMsgComposeSecure.h
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00001 /* -*- Mode: idl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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00011  * Software distributed under the License is distributed on an "AS IS" basis,
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00016  * The Original Code is mozilla.org code.
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00018  * The Initial Developer of the Original Code is
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00025  * Alternatively, the contents of this file may be used under the terms of
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00038 #ifndef _nsMsgComposeSecure_H_
00039 #define _nsMsgComposeSecure_H_
00040 
00041 #include "nsIMsgComposeSecure.h"
00042 #include "nsIMsgSMIMECompFields.h"
00043 #include "nsCOMPtr.h"
00044 #include "nsICMSEncoder.h"
00045 #include "nsIX509Cert.h"
00046 #include "nsIMimeConverter.h"
00047 #include "nsIStringBundle.h"
00048 #include "nsICryptoHash.h"
00049 #include "nsICMSMessage.h"
00050 #include "nsIArray.h"
00051 #include "nsString.h"
00052 
00053 class nsIMsgCompFields;
00054 
00055 class nsMsgSMIMEComposeFields : public nsIMsgSMIMECompFields
00056 {
00057 public:
00058   NS_DECL_ISUPPORTS
00059   NS_DECL_NSIMSGSMIMECOMPFIELDS
00060 
00061   nsMsgSMIMEComposeFields();
00062   virtual ~nsMsgSMIMEComposeFields();
00063 
00064 private:
00065   PRBool mSignMessage;
00066   PRBool mAlwaysEncryptMessage;
00067 };
00068 
00069 typedef enum {
00070   mime_crypto_none,                       /* normal unencapsulated MIME message */
00071   mime_crypto_clear_signed,        /* multipart/signed encapsulation */
00072   mime_crypto_opaque_signed,       /* application/x-pkcs7-mime (signedData) */
00073   mime_crypto_encrypted,           /* application/x-pkcs7-mime */
00074   mime_crypto_signed_encrypted     /* application/x-pkcs7-mime */
00075 } mimeDeliveryCryptoState;
00076 
00077 class nsMsgComposeSecure : public nsIMsgComposeSecure
00078 {
00079 public:
00080   NS_DECL_ISUPPORTS
00081   NS_DECL_NSIMSGCOMPOSESECURE
00082 
00083   nsMsgComposeSecure();
00084   virtual ~nsMsgComposeSecure();
00085   /* additional members */
00086   nsOutputFileStream *GetOutputStream() { return mStream;}
00087 private:
00088   nsresult MimeInitMultipartSigned(PRBool aOuter, nsIMsgSendReport *sendReport);
00089   nsresult MimeInitEncryption(PRBool aSign, nsIMsgSendReport *sendReport);
00090   nsresult MimeFinishMultipartSigned (PRBool aOuter, nsIMsgSendReport *sendReport);
00091   nsresult MimeFinishEncryption (PRBool aSign, nsIMsgSendReport *sendReport);
00092   nsresult MimeCryptoHackCerts(const char *aRecipients, nsIMsgSendReport *sendReport, PRBool aEncrypt, PRBool aSign);
00093   static void InitializeSMIMEBundle();
00094   nsresult GetSMIMEBundleString(const PRUnichar *name,
00095                             PRUnichar **outString);
00096   nsresult SMIMEBundleFormatStringFromName(const PRUnichar *name,
00097                                       const PRUnichar **params,
00098                                       PRUint32 numParams,
00099                                       PRUnichar **outString);
00100   nsresult ExtractEncryptionState(nsIMsgIdentity * aIdentity, nsIMsgCompFields * aComposeFields, PRBool * aSignMessage, PRBool * aEncrypt);
00101 
00102   mimeDeliveryCryptoState mCryptoState;
00103   nsOutputFileStream *mStream;
00104   PRInt16 mHashType;
00105   nsCOMPtr<nsICryptoHash> mDataHash;
00106   MimeEncoderData *mSigEncoderData;
00107   char *mMultipartSignedBoundary;
00108   nsXPIDLString mSigningCertName;
00109   nsCOMPtr<nsIX509Cert> mSelfSigningCert;
00110   nsXPIDLString mEncryptionCertName;
00111   nsCOMPtr<nsIX509Cert> mSelfEncryptionCert;
00112   nsCOMPtr<nsIMutableArray> mCerts;
00113   nsCOMPtr<nsICMSMessage> mEncryptionCinfo;
00114   nsCOMPtr<nsICMSEncoder> mEncryptionContext;
00115   static nsCOMPtr<nsIStringBundle> mSMIMEBundle;
00116 
00117   MimeEncoderData *mCryptoEncoderData;
00118   PRBool mIsDraft;
00119 
00120   enum {eBufferSize = 8192};
00121   char *mBuffer;
00122   PRUint32 mBufferedBytes;
00123 
00124   PRBool mErrorAlreadyReported;
00125   void SetError(nsIMsgSendReport *sendReport, const PRUnichar *bundle_string);
00126   void SetErrorWithParam(nsIMsgSendReport *sendReport, const PRUnichar *bundle_string, const char *param);
00127 };
00128 
00129 #endif