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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsSmtpProtocol_h___
#define nsSmtpProtocol_h___
#include "mozilla/Attributes.h"
#ifdef MOZ_MAILNEWS_OAUTH2
#include "msgIOAuth2Module.h"
#endif
#include "nsMsgProtocol.h"
#include "nsIStreamListener.h"
#include "nsISmtpUrl.h"
#include "nsIMsgStatusFeedback.h"
#include "nsMsgLineBuffer.h"
#include "nsIAuthModule.h"
#include "MailNewsTypes2.h" // for nsMsgSocketType
#include "nsCOMPtr.h"
#include "nsTArray.h"
#ifdef MOZ_MAILNEWS_OAUTH2
class nsIVariant;
class nsIWritableVariant;
#endif
/* states of the machine
*/
typedef enum _SmtpState {
SMTP_RESPONSE = 0, // 0
SMTP_START_CONNECT, // 1
SMTP_FINISH_CONNECT, // 2
SMTP_SEND_HELO_RESPONSE, // 3
SMTP_SEND_EHLO_RESPONSE, // 4
SMTP_SEND_MAIL_RESPONSE, // 5
SMTP_SEND_RCPT_RESPONSE, // 6
SMTP_SEND_DATA_RESPONSE, // 7
SMTP_SEND_POST_DATA, // 8
SMTP_SEND_MESSAGE_RESPONSE, // 9
SMTP_DONE, // 10
SMTP_ERROR_DONE, // 11
SMTP_FREE, // 12
SMTP_AUTH_LOGIN_STEP0_RESPONSE, // 13
SMTP_EXTN_LOGIN_RESPONSE, // 14
SMTP_SEND_AUTH_LOGIN_STEP0, // 15
SMTP_SEND_AUTH_LOGIN_STEP1, // 16
SMTP_SEND_AUTH_LOGIN_STEP2, // 17
SMTP_AUTH_LOGIN_RESPONSE, // 18
SMTP_TLS_RESPONSE, // 19
SMTP_AUTH_EXTERNAL_RESPONSE, // 20
SMTP_AUTH_PROCESS_STATE, // 21
SMTP_AUTH_CRAM_MD5_CHALLENGE_RESPONSE, // 22
SMTP_SEND_AUTH_GSSAPI_FIRST, // 23
SMTP_SEND_AUTH_GSSAPI_STEP, // 24
#ifdef MOZ_MAILNEWS_OAUTH2
SMTP_SUSPENDED, // 25
SMTP_AUTH_OAUTH2_STEP, // 26
SMTP_AUTH_OAUTH2_RESPONSE, // 27
#endif
} SmtpState;
// State Flags (Note, I use the word state in terms of storing
// state information about the connection (authentication, have we sent
// commands, etc. I do not intend it to refer to protocol state)
#define SMTP_PAUSE_FOR_READ 0x00000001 /* should we pause for the next read */
#define SMTP_ESMTP_SERVER 0x00000002
#define SMTP_EHLO_DSN_ENABLED 0x00000004
#define SMTP_EHLO_STARTTLS_ENABLED 0x00000008
#define SMTP_EHLO_SIZE_ENABLED 0x00000010
#define SMTP_EHLO_8BIT_ENABLED 0x00000020
// insecure mechanisms follow
#define SMTP_AUTH_LOGIN_ENABLED 0x00000100
#define SMTP_AUTH_PLAIN_ENABLED 0x00000200
#define SMTP_AUTH_EXTERNAL_ENABLED 0x00000400
// secure mechanisms follow
#define SMTP_AUTH_GSSAPI_ENABLED 0x00000800
#define SMTP_AUTH_DIGEST_MD5_ENABLED 0x00001000
#define SMTP_AUTH_CRAM_MD5_ENABLED 0x00002000
#define SMTP_AUTH_NTLM_ENABLED 0x00004000
#define SMTP_AUTH_MSN_ENABLED 0x00008000
#ifdef MOZ_MAILNEWS_OAUTH2
#define SMTP_AUTH_OAUTH2_ENABLED 0x00010000
// sum of all above auth mechanisms
#define SMTP_AUTH_ANY 0x0001FF00
// indicates that AUTH has been advertised
#define SMTP_AUTH 0x00020000
// No login necessary (pref)
#define SMTP_AUTH_NONE_ENABLED 0x00040000
#else
#define SMTP_AUTH_ANY 0x0000FF00
#define SMTP_AUTH 0x00010000
#define SMTP_AUTH_NONE_ENABLED 0x00020000
#endif
#ifdef MOZ_MAILNEWS_OAUTH2
class nsSmtpProtocol : public nsMsgAsyncWriteProtocol,
public msgIOAuth2ModuleListener
#else
class nsSmtpProtocol : public nsMsgAsyncWriteProtocol
#endif
{
public:
NS_DECL_ISUPPORTS_INHERITED
#ifdef MOZ_MAILNEWS_OAUTH2
NS_DECL_MSGIOAUTH2MODULELISTENER
#endif
// Creating a protocol instance requires the URL which needs to be run.
nsSmtpProtocol(nsIURI * aURL);
virtual nsresult LoadUrl(nsIURI * aURL, nsISupports * aConsumer = nullptr) override;
virtual nsresult SendData(const char * dataBuffer, bool aSuppressLogging = false) override;
////////////////////////////////////////////////////////////////////////////////////////
// we suppport the nsIStreamListener interface
////////////////////////////////////////////////////////////////////////////////////////
// stop binding is a "notification" informing us that the stream associated with aURL is going away.
NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports *ctxt, nsresult status) override;
private:
virtual ~nsSmtpProtocol();
// if we are asked to load a url while we are blocked waiting for redirection information,
// then we'll store the url consumer in mPendingConsumer until we can actually load
// the url.
nsCOMPtr<nsISupports> mPendingConsumer;
// the nsISmtpURL that is currently running
nsCOMPtr<nsISmtpUrl> m_runningURL;
// the error state we want to set on the url
nsresult m_urlErrorState;
nsCOMPtr<nsIMsgStatusFeedback> m_statusFeedback;
// Generic state information -- What state are we in? What state do we want to go to
// after the next response? What was the last response code? etc.
SmtpState m_nextState;
SmtpState m_nextStateAfterResponse;
int32_t m_responseCode; /* code returned from Smtp server */
int32_t m_previousResponseCode;
int32_t m_continuationResponse;
nsCString m_responseText; /* text returned from Smtp server */
nsMsgLineStreamBuffer *m_lineStreamBuffer; // used to efficiently extract lines from the incoming data stream
nsTArray<nsCString> m_addresses;
uint32_t m_addressesLeft;
nsCString m_mailAddr;
nsCString m_helloArgument;
int32_t m_sizelimit;
// *** the following should move to the smtp server when we support
// multiple smtp servers
bool m_usernamePrompted;
int32_t m_prefSocketType;
bool m_tlsEnabled;
bool m_tlsInitiated;
bool m_sendDone;
int32_t m_totalAmountRead;
int64_t m_totalMessageSize;
char *m_dataBuf;
uint32_t m_dataBufSize;
int32_t m_originalContentLength; /* the content length at the time of calling graph progress */
// initialization function given a new url and transport layer
void Initialize(nsIURI * aURL);
virtual nsresult ProcessProtocolState(nsIURI * url, nsIInputStream * inputStream,
uint64_t sourceOffset, uint32_t length) override;
////////////////////////////////////////////////////////////////////////////////////////
// Communication methods --> Reading and writing protocol
////////////////////////////////////////////////////////////////////////////////////////
void UpdateStatus(const char16_t* aStatusName);
void UpdateStatusWithString(const char16_t * aStatusString);
////////////////////////////////////////////////////////////////////////////////////////
// Protocol Methods --> This protocol is state driven so each protocol method is
// designed to re-act to the current "state". I've attempted to
// group them together based on functionality.
////////////////////////////////////////////////////////////////////////////////////////
nsresult SmtpResponse(nsIInputStream * inputStream, uint32_t length);
nsresult ExtensionLoginResponse(nsIInputStream * inputStream, uint32_t length);
nsresult SendHeloResponse(nsIInputStream * inputStream, uint32_t length);
nsresult SendEhloResponse(nsIInputStream * inputStream, uint32_t length);
nsresult SendQuit(SmtpState aNextStateAfterResponse = SMTP_DONE);
nsresult AuthGSSAPIFirst();
nsresult AuthGSSAPIStep();
nsresult AuthLoginStep0();
void AuthLoginStep0Response();
nsresult AuthLoginStep1();
nsresult AuthLoginStep2();
nsresult AuthLoginResponse(nsIInputStream * stream, uint32_t length);
#ifdef MOZ_MAILNEWS_OAUTH2
nsresult AuthOAuth2Step1();
#endif
nsresult SendTLSResponse();
nsresult SendMailResponse();
nsresult SendRecipientResponse();
nsresult SendDataResponse();
void SendPostData();
nsresult SendMessageResponse();
nsresult ProcessAuth();
////////////////////////////////////////////////////////////////////////////////////////
// End of Protocol Methods
////////////////////////////////////////////////////////////////////////////////////////
void SendMessageInFile();
void AppendHelloArgument(nsACString& aResult);
nsresult GetPassword(nsCString &aPassword);
nsresult GetUsernamePassword(nsACString &aUsername, nsACString &aPassword);
nsresult PromptForPassword(nsISmtpServer *aSmtpServer, nsISmtpUrl *aSmtpUrl,
const char16_t **formatStrings,
nsACString &aPassword);
void InitPrefAuthMethods(int32_t authMethodPrefValue);
nsresult ChooseAuthMethod();
void MarkAuthMethodAsFailed(int32_t failedAuthMethod);
void ResetAuthMethods();
virtual const char* GetType() override {return "smtp";}
int32_t m_prefAuthMethods; // set of capability flags for auth methods
int32_t m_failedAuthMethods; // ditto
int32_t m_currentAuthMethod; // exactly one capability flag, or 0
#ifdef MOZ_MAILNEWS_OAUTH2
// The support module for OAuth2 logon, only present if OAuth2 is enabled
// and working.
nsCOMPtr<msgIOAuth2Module> mOAuth2Support;
#endif
};
#endif // nsSmtpProtocol_h___
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