1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/netwerk/protocol/ftp/nsFTPChannel.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,221 @@ 1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 1.5 +/* vim:set ts=4 sts=4 sw=4 et cin: */ 1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.9 + 1.10 +#include "nsFTPChannel.h" 1.11 +#include "nsFtpConnectionThread.h" // defines nsFtpState 1.12 + 1.13 +#include "nsThreadUtils.h" 1.14 +#include "mozilla/Attributes.h" 1.15 + 1.16 +#if defined(PR_LOGGING) 1.17 +extern PRLogModuleInfo* gFTPLog; 1.18 +#endif /* PR_LOGGING */ 1.19 + 1.20 +// There are two transport connections established for an 1.21 +// ftp connection. One is used for the command channel , and 1.22 +// the other for the data channel. The command channel is the first 1.23 +// connection made and is used to negotiate the second, data, channel. 1.24 +// The data channel is driven by the command channel and is either 1.25 +// initiated by the server (PORT command) or by the client (PASV command). 1.26 +// Client initiation is the most common case and is attempted first. 1.27 + 1.28 +//----------------------------------------------------------------------------- 1.29 + 1.30 +NS_IMPL_ISUPPORTS_INHERITED(nsFtpChannel, 1.31 + nsBaseChannel, 1.32 + nsIUploadChannel, 1.33 + nsIResumableChannel, 1.34 + nsIFTPChannel, 1.35 + nsIProxiedChannel) 1.36 + 1.37 +//----------------------------------------------------------------------------- 1.38 + 1.39 +NS_IMETHODIMP 1.40 +nsFtpChannel::SetUploadStream(nsIInputStream *stream, 1.41 + const nsACString &contentType, 1.42 + int64_t contentLength) 1.43 +{ 1.44 + NS_ENSURE_TRUE(!Pending(), NS_ERROR_IN_PROGRESS); 1.45 + 1.46 + mUploadStream = stream; 1.47 + 1.48 + // NOTE: contentLength is intentionally ignored here. 1.49 + 1.50 + return NS_OK; 1.51 +} 1.52 + 1.53 +NS_IMETHODIMP 1.54 +nsFtpChannel::GetUploadStream(nsIInputStream **stream) 1.55 +{ 1.56 + NS_ENSURE_ARG_POINTER(stream); 1.57 + *stream = mUploadStream; 1.58 + NS_IF_ADDREF(*stream); 1.59 + return NS_OK; 1.60 +} 1.61 + 1.62 +//----------------------------------------------------------------------------- 1.63 + 1.64 +NS_IMETHODIMP 1.65 +nsFtpChannel::ResumeAt(uint64_t aStartPos, const nsACString& aEntityID) 1.66 +{ 1.67 + NS_ENSURE_TRUE(!Pending(), NS_ERROR_IN_PROGRESS); 1.68 + mEntityID = aEntityID; 1.69 + mStartPos = aStartPos; 1.70 + mResumeRequested = (mStartPos || !mEntityID.IsEmpty()); 1.71 + return NS_OK; 1.72 +} 1.73 + 1.74 +NS_IMETHODIMP 1.75 +nsFtpChannel::GetEntityID(nsACString& entityID) 1.76 +{ 1.77 + if (mEntityID.IsEmpty()) 1.78 + return NS_ERROR_NOT_RESUMABLE; 1.79 + 1.80 + entityID = mEntityID; 1.81 + return NS_OK; 1.82 +} 1.83 + 1.84 +//----------------------------------------------------------------------------- 1.85 +NS_IMETHODIMP 1.86 +nsFtpChannel::GetProxyInfo(nsIProxyInfo** aProxyInfo) 1.87 +{ 1.88 + *aProxyInfo = ProxyInfo(); 1.89 + NS_IF_ADDREF(*aProxyInfo); 1.90 + return NS_OK; 1.91 +} 1.92 + 1.93 +//----------------------------------------------------------------------------- 1.94 + 1.95 +nsresult 1.96 +nsFtpChannel::OpenContentStream(bool async, nsIInputStream **result, 1.97 + nsIChannel** channel) 1.98 +{ 1.99 + if (!async) 1.100 + return NS_ERROR_NOT_IMPLEMENTED; 1.101 + 1.102 + nsFtpState *state = new nsFtpState(); 1.103 + if (!state) 1.104 + return NS_ERROR_OUT_OF_MEMORY; 1.105 + NS_ADDREF(state); 1.106 + 1.107 + nsresult rv = state->Init(this); 1.108 + if (NS_FAILED(rv)) { 1.109 + NS_RELEASE(state); 1.110 + return rv; 1.111 + } 1.112 + 1.113 + *result = state; 1.114 + return NS_OK; 1.115 +} 1.116 + 1.117 +bool 1.118 +nsFtpChannel::GetStatusArg(nsresult status, nsString &statusArg) 1.119 +{ 1.120 + nsAutoCString host; 1.121 + URI()->GetHost(host); 1.122 + CopyUTF8toUTF16(host, statusArg); 1.123 + return true; 1.124 +} 1.125 + 1.126 +void 1.127 +nsFtpChannel::OnCallbacksChanged() 1.128 +{ 1.129 + mFTPEventSink = nullptr; 1.130 +} 1.131 + 1.132 +//----------------------------------------------------------------------------- 1.133 + 1.134 +namespace { 1.135 + 1.136 +class FTPEventSinkProxy MOZ_FINAL : public nsIFTPEventSink 1.137 +{ 1.138 +public: 1.139 + FTPEventSinkProxy(nsIFTPEventSink* aTarget) 1.140 + : mTarget(aTarget) 1.141 + , mTargetThread(do_GetCurrentThread()) 1.142 + { } 1.143 + 1.144 + NS_DECL_THREADSAFE_ISUPPORTS 1.145 + NS_DECL_NSIFTPEVENTSINK 1.146 + 1.147 + class OnFTPControlLogRunnable : public nsRunnable 1.148 + { 1.149 + public: 1.150 + OnFTPControlLogRunnable(nsIFTPEventSink* aTarget, 1.151 + bool aServer, 1.152 + const char* aMessage) 1.153 + : mTarget(aTarget) 1.154 + , mServer(aServer) 1.155 + , mMessage(aMessage) 1.156 + { } 1.157 + 1.158 + NS_DECL_NSIRUNNABLE 1.159 + 1.160 + private: 1.161 + nsCOMPtr<nsIFTPEventSink> mTarget; 1.162 + bool mServer; 1.163 + nsCString mMessage; 1.164 + }; 1.165 + 1.166 +private: 1.167 + nsCOMPtr<nsIFTPEventSink> mTarget; 1.168 + nsCOMPtr<nsIThread> mTargetThread; 1.169 +}; 1.170 + 1.171 +NS_IMPL_ISUPPORTS(FTPEventSinkProxy, nsIFTPEventSink) 1.172 + 1.173 +NS_IMETHODIMP 1.174 +FTPEventSinkProxy::OnFTPControlLog(bool aServer, const char* aMsg) 1.175 +{ 1.176 + nsRefPtr<OnFTPControlLogRunnable> r = 1.177 + new OnFTPControlLogRunnable(mTarget, aServer, aMsg); 1.178 + return mTargetThread->Dispatch(r, NS_DISPATCH_NORMAL); 1.179 +} 1.180 + 1.181 +NS_IMETHODIMP 1.182 +FTPEventSinkProxy::OnFTPControlLogRunnable::Run() 1.183 +{ 1.184 + mTarget->OnFTPControlLog(mServer, mMessage.get()); 1.185 + return NS_OK; 1.186 +} 1.187 + 1.188 +} // anonymous namespace 1.189 + 1.190 +void 1.191 +nsFtpChannel::GetFTPEventSink(nsCOMPtr<nsIFTPEventSink> &aResult) 1.192 +{ 1.193 + if (!mFTPEventSink) { 1.194 + nsCOMPtr<nsIFTPEventSink> ftpSink; 1.195 + GetCallback(ftpSink); 1.196 + if (ftpSink) { 1.197 + mFTPEventSink = new FTPEventSinkProxy(ftpSink); 1.198 + } 1.199 + } 1.200 + aResult = mFTPEventSink; 1.201 +} 1.202 + 1.203 +void 1.204 +nsFtpChannel::ForcePending(bool aForcePending) 1.205 +{ 1.206 + // Set true here so IsPending will return true. 1.207 + // Required for callback diversion from child back to parent. In such cases 1.208 + // OnStopRequest can be called in the parent before callbacks are diverted 1.209 + // back from the child to the listener in the parent. 1.210 + mForcePending = aForcePending; 1.211 +} 1.212 + 1.213 +NS_IMETHODIMP 1.214 +nsFtpChannel::IsPending(bool *result) 1.215 +{ 1.216 + *result = Pending(); 1.217 + return NS_OK; 1.218 +} 1.219 + 1.220 +bool 1.221 +nsFtpChannel::Pending() const 1.222 +{ 1.223 + return nsBaseChannel::Pending() || mForcePending; 1.224 +}