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Diffstat (limited to 'netwerk/protocol/ftp/nsFtpConnectionThread.h')
| -rw-r--r-- | netwerk/protocol/ftp/nsFtpConnectionThread.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/netwerk/protocol/ftp/nsFtpConnectionThread.h b/netwerk/protocol/ftp/nsFtpConnectionThread.h new file mode 100644 index 0000000000..ec1cf999c7 --- /dev/null +++ b/netwerk/protocol/ftp/nsFtpConnectionThread.h @@ -0,0 +1,254 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 __nsFtpConnectionThread__h_ +#define __nsFtpConnectionThread__h_ + +#include "nsBaseContentStream.h" + +#include "nsString.h" +#include "nsCOMPtr.h" +#include "nsIAsyncInputStream.h" +#include "nsITransport.h" +#include "mozilla/net/DNS.h" +#include "nsFtpControlConnection.h" +#include "nsIProtocolProxyCallback.h" + +// ftp server types +#define FTP_GENERIC_TYPE 0 +#define FTP_UNIX_TYPE 1 +#define FTP_VMS_TYPE 8 +#define FTP_NT_TYPE 9 +#define FTP_OS2_TYPE 11 + +// ftp states +typedef enum _FTP_STATE { + /////////////////////// + //// Internal states + FTP_INIT, + FTP_COMMAND_CONNECT, + FTP_READ_BUF, + FTP_ERROR, + FTP_COMPLETE, + + /////////////////////// + //// Command channel connection setup states + FTP_S_USER, + FTP_R_USER, + FTP_S_PASS, + FTP_R_PASS, + FTP_S_SYST, + FTP_R_SYST, + FTP_S_ACCT, + FTP_R_ACCT, + FTP_S_TYPE, + FTP_R_TYPE, + FTP_S_CWD, + FTP_R_CWD, + FTP_S_SIZE, + FTP_R_SIZE, + FTP_S_MDTM, + FTP_R_MDTM, + FTP_S_REST, + FTP_R_REST, + FTP_S_RETR, + FTP_R_RETR, + FTP_S_STOR, + FTP_R_STOR, + FTP_S_LIST, + FTP_R_LIST, + FTP_S_PASV, + FTP_R_PASV, + FTP_S_PWD, + FTP_R_PWD, + FTP_S_FEAT, + FTP_R_FEAT, + FTP_S_OPTS, + FTP_R_OPTS +} FTP_STATE; + +// higher level ftp actions +typedef enum _FTP_ACTION { GET, PUT } FTP_ACTION; + +class nsFtpChannel; +class nsICancelable; +class nsIProxyInfo; +class nsIStreamListener; + +// The nsFtpState object is the content stream for the channel. It implements +// nsIInputStreamCallback, so it can read data from the control connection. It +// implements nsITransportEventSink so it can mix status events from both the +// control connection and the data connection. + +class nsFtpState final : public nsBaseContentStream, + public nsIInputStreamCallback, + public nsITransportEventSink, + public nsIRequestObserver, + public nsFtpControlConnectionListener, + public nsIProtocolProxyCallback { + public: + NS_DECL_ISUPPORTS_INHERITED + NS_DECL_NSIINPUTSTREAMCALLBACK + NS_DECL_NSITRANSPORTEVENTSINK + NS_DECL_NSIREQUESTOBSERVER + NS_DECL_NSIPROTOCOLPROXYCALLBACK + + // Override input stream methods: + NS_IMETHOD CloseWithStatus(nsresult status) override; + NS_IMETHOD Available(uint64_t* result) override; + NS_IMETHOD ReadSegments(nsWriteSegmentFun fun, void* closure, uint32_t count, + uint32_t* result) override; + + // nsFtpControlConnectionListener methods: + virtual void OnControlDataAvailable(const char* data, + uint32_t dataLen) override; + virtual void OnControlError(nsresult status) override; + + nsFtpState(); + nsresult Init(nsFtpChannel* channel); + + protected: + // Notification from nsBaseContentStream::AsyncWait + virtual void OnCallbackPending() override; + + private: + virtual ~nsFtpState(); + + /////////////////////////////////// + // BEGIN: STATE METHODS + nsresult S_user(); + FTP_STATE R_user(); + nsresult S_pass(); + FTP_STATE R_pass(); + nsresult S_syst(); + FTP_STATE R_syst(); + nsresult S_acct(); + FTP_STATE R_acct(); + + nsresult S_type(); + FTP_STATE R_type(); + nsresult S_cwd(); + FTP_STATE R_cwd(); + + nsresult S_size(); + FTP_STATE R_size(); + nsresult S_mdtm(); + FTP_STATE R_mdtm(); + nsresult S_list(); + FTP_STATE R_list(); + + nsresult S_rest(); + FTP_STATE R_rest(); + nsresult S_retr(); + FTP_STATE R_retr(); + nsresult S_stor(); + FTP_STATE R_stor(); + nsresult S_pasv(); + FTP_STATE R_pasv(); + nsresult S_pwd(); + FTP_STATE R_pwd(); + nsresult S_feat(); + FTP_STATE R_feat(); + nsresult S_opts(); + FTP_STATE R_opts(); + // END: STATE METHODS + /////////////////////////////////// + + // internal methods + void MoveToNextState(FTP_STATE nextState); + nsresult Process(); + + void KillControlConnection(); + nsresult StopProcessing(); + nsresult EstablishControlConnection(); + nsresult SendFTPCommand(const nsACString& command); + void ConvertFilespecToVMS(nsCString& fileSpec); + void ConvertDirspecToVMS(nsCString& fileSpec); + void ConvertDirspecFromVMS(nsCString& fileSpec); + nsresult BuildStreamConverter(nsIStreamListener** convertStreamListener); + nsresult SetContentType(); + + /** + * This method is called to kick-off the FTP state machine. mState is + * reset to FTP_COMMAND_CONNECT, and the FTP state machine progresses from + * there. This method is initially called (indirectly) from the channel's + * AsyncOpen implementation. + */ + void Connect(); + + /////////////////////////////////// + // Private members + + nsCOMPtr<nsIProxiedProtocolHandler> mHandler; // Ref to gFtpHandler + + // ****** state machine vars + FTP_STATE mState; // the current state + FTP_STATE mNextState; // the next state + bool mKeepRunning; // thread event loop boolean + int32_t mResponseCode; // the last command response code + nsCString mResponseMsg; // the last command response text + + // ****** channel/transport/stream vars + RefPtr<nsFtpControlConnection> + mControlConnection; // cacheable control connection (owns mCPipe) + bool mReceivedControlData; + bool mTryingCachedControl; // retrying the password + bool mRETRFailed; // Did we already try a RETR and it failed? + uint64_t mFileSize; + nsCString mModTime; + + // ****** consumer vars + RefPtr<nsFtpChannel> + mChannel; // our owning FTP channel we pass through our events + nsCOMPtr<nsIProxyInfo> mProxyInfo; + + // ****** connection cache vars + int32_t mServerType; // What kind of server are we talking to + + // ****** protocol interpretation related state vars + nsString mUsername; // username + nsString mPassword; // password + FTP_ACTION mAction; // the higher level action (GET/PUT) + bool mAnonymous; // try connecting anonymous (default) + bool mRetryPass; // retrying the password + bool mStorReplyReceived; // FALSE if waiting for STOR + // completion status from server + bool mRlist1xxReceived; // TRUE if we have received a LIST 1xx + // response from the server + bool mRretr1xxReceived; // TRUE if we have received a RETR 1xx + // response from the server + bool mRstor1xxReceived; // TRUE if we have received a STOR 1xx + // response from the server + nsresult mInternalError; // represents internal state errors + bool mReconnectAndLoginAgain; + bool mCacheConnection; + + // ****** URI vars + int32_t mPort; // the port to connect to + nsString mFilename; // url filename (if any) + nsCString mPath; // the url's path + nsCString mPwd; // login Path + + // ****** other vars + nsCOMPtr<nsITransport> mDataTransport; + nsCOMPtr<nsIAsyncInputStream> mDataStream; + nsCOMPtr<nsIRequest> mUploadRequest; + bool mAddressChecked; + bool mServerIsIPv6; + bool mUseUTF8; + + mozilla::net::NetAddr mServerAddress; + + // ***** control read gvars + nsresult mControlStatus; + nsCString mControlReadCarryOverBuf; + + nsCString mSuppliedEntityID; + + nsCOMPtr<nsICancelable> mProxyRequest; + bool mDeferredCallbackPending; +}; + +#endif //__nsFtpConnectionThread__h_ |