00001 /* -*- C++ -*- */ 00002 00003 /* 00004 * The Apache Software License, Version 1.1 00005 * 00006 * 00007 * Copyright (c) 2002 The Apache Software Foundation. All rights 00008 * reserved. 00009 * 00010 * Redistribution and use in source and binary forms, with or without 00011 * modification, are permitted provided that the following conditions 00012 * are met: 00013 * 00014 * 1. Redistributions of source code must retain the above copyright 00015 * notice, this list of conditions and the following disclaimer. 00016 * 00017 * 2. Redistributions in binary form must reproduce the above copyright 00018 * notice, this list of conditions and the following disclaimer in 00019 * the documentation and/or other materials provided with the 00020 * distribution. 00021 * 00022 * 3. The end-user documentation included with the redistribution, 00023 * if any, must include the following acknowledgment: 00024 * "This product includes software developed by the 00025 * Apache Software Foundation (http://www.apache.org/)." 00026 * Alternately, this acknowledgment may appear in the software itself, 00027 * if and wherever such third-party acknowledgments normally appear. 00028 * 00029 * 4. The names "SOAP" and "Apache Software Foundation" must 00030 * not be used to endorse or promote products derived from this 00031 * software without prior written permission. For written 00032 * permission, please contact apache@apache.org. 00033 * 00034 * 5. Products derived from this software may not be called "Apache", 00035 * nor may "Apache" appear in their name, without prior written 00036 * permission of the Apache Software Foundation. 00037 * 00038 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00039 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00040 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00041 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00042 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00043 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00044 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00045 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00046 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00047 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00048 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00049 * SUCH DAMAGE. 00050 * ==================================================================== 00051 * 00052 * This software consists of voluntary contributions made by many 00053 * individuals on behalf of the Apache Software Foundation. For more 00054 * information on the Apache Software Foundation, please see 00055 * <http://www.apache.org/>. 00056 */ 00057 00058 00059 00060 /* 00061 * 00062 * 00063 * @author Lilantha Darshana (lilantha@erunway.com) 00064 * 00065 */ 00066 00067 00068 #include "Platform.hpp" 00069 #include "HttpTransport.hpp" 00070 #include <iostream> 00071 #include "AxisException.hpp" 00072 00076 00077 HttpTransport::~HttpTransport() 00078 { 00079 m_Channel.Close(); 00080 } 00081 00088 00089 bool HttpTransport::Init() 00090 { 00091 // open a channel for transport 00092 try 00093 { 00094 m_bStatus = true; 00095 std::string host = m_Url.GetHostName(); 00096 m_Channel.Open(host, m_Url.GetPort()); 00097 m_Channel.SetTransportHandler(this); 00098 } 00099 catch(ChannelException& chEx) 00100 { 00101 std::cerr << chEx.GetErr() << std::endl; 00102 throw; 00103 } 00104 return true; 00105 } 00106 00107 00114 00115 void HttpTransport::SetProperty(const std::string& p_Property, const std::string& p_Value) 00116 { 00117 m_AdditionalHeader.push_back(std::make_pair(p_Property, p_Value)); 00118 } 00119 00120 00127 00128 const Transport& HttpTransport::operator >> (std::string& p_Payload) 00129 { 00130 if(!m_bStatus) 00131 { 00132 // We have the payload; this is due to Fault request made in earlier call 00133 // to this method 00134 p_Payload = m_PayLoad; 00135 return *this; 00136 } 00137 00138 std::string tmpPacket; // use temporary, need to workout for this 00139 m_Channel >> tmpPacket; 00140 00141 #ifdef _DEBUG 00142 std::cout << "\n\n\nGot the message:\r\n\r\n" << tmpPacket << "\n\n"; 00143 #endif 00144 00145 // Validate the HTTP packet 00146 if(!m_bStatus) HTTPValidate(tmpPacket); 00147 00148 // At this point we have the payload at hand so give it out 00149 p_Payload = m_PayLoad; 00150 return *this; 00151 } 00152 00153 00158 00159 const Transport& HttpTransport::operator << (const std::string& p_Payload) 00160 { 00161 HTTPBind(p_Payload); // Bind the SOAP-Envelop with HTTP headers 00162 00163 #ifdef _DEBUG 00164 std::cout << "\n\n\n"; 00165 std::cout << m_OutMsg.str() << std::endl; 00166 #endif 00167 00168 // Write to the established channel 00169 m_Channel << m_OutMsg.str(); 00170 return *this; 00171 } 00172 00173 00181 00182 void HttpTransport::HTTPBind(const std::string& p_Payload) 00183 { 00184 if(m_Typ == POST) // only POST is supported for now, wish-list: M-POST?? 00185 m_OutMsg << "POST "; 00186 00187 // Use HTTP 1.1; if HTTP 1.0 is required we have to manage with setting the properties 00188 m_OutMsg << m_Url.GetResource() << " HTTP/1.1\r\n"; // no support for proxy server yet 00189 m_OutMsg << "Host: " << m_Url.GetHostName(); 00190 00191 unsigned short port = m_Url.GetPort(); 00192 00193 if(port != HTTP_PORT) 00194 m_OutMsg << ":" << port; 00195 00196 m_OutMsg << "\r\n"; 00197 m_OutMsg << "Content-Type: text/xml; charset=\"UTF-8\"\r\n"; // We have to support other charsets 00198 m_OutMsg << "Content-Length: " << p_Payload.size() << "\r\n"; 00199 00200 //Set header values for additional prefixes, such as SOAPAction 00201 for(int i=0; i < m_AdditionalHeader.size(); i++) 00202 m_OutMsg << m_AdditionalHeader[i].first << ": \"" 00203 << m_AdditionalHeader[i].second << "\"\r\n"; 00204 00205 m_OutMsg << "\r\n"; 00206 m_OutMsg << p_Payload; 00207 } 00208 00209 00217 00218 bool HttpTransport::GetStatus(const std::string& p_HttpPacket) 00219 { 00220 HTTPValidate(p_HttpPacket); 00221 return m_bStatus; 00222 } 00223 00224 00232 00233 void HttpTransport::HTTPValidate(const std::string& p_HttpPacket) 00234 { 00235 // for the time being just get the payload. Here we need much work 00236 00237 m_bStatus = true; 00238 std::string::size_type pos = p_HttpPacket.find('\n'), nxtpos; 00239 00240 int nHttpSatus; 00241 00242 if(pos == std::string::npos) return; //unexpected string 00243 00244 std::string strLine = p_HttpPacket.substr(0, pos + 1); 00245 std::string::size_type offset = pos + 1; 00246 00247 // Check for HTTP header validity; HTTP 1.0 / HTTP 1.0 is supported. 00248 if((pos = strLine.find("HTTP/1.0")) != std::string::npos 00249 || (pos = strLine.find("HTTP/1.1")) != std::string::npos) 00250 { 00251 if(((pos = strLine.find_first_of("\" ", pos + strlen("HTTP/1.x"))) 00252 != std::string::npos) && 00253 (nxtpos = strLine.find_first_of("\" ", pos)) != std::string::npos) 00254 { 00255 pos++; 00256 // Get the HTTP status code of the packet obtained 00257 nHttpSatus = atoi(strLine.substr(pos, nxtpos - pos).c_str())/100; 00258 } 00259 else 00260 return; 00261 00262 00263 // Status code is 2xx; so valid packet. hence go ahead and extract the payload. 00264 if(nHttpSatus == 2) 00265 { 00266 GetPayLoad(p_HttpPacket, offset); 00267 } 00268 else if(nHttpSatus == 3) // Status code is 3xx; some error has occurred 00269 { 00270 // error recovery mechanism should go here 00271 Error(p_HttpPacket.c_str()); 00272 throw ChannelException("HTTP Error, cannot process response message..."); 00273 } 00274 else if(nHttpSatus == 4) // Status code is 4xx; some error has occurred 00275 { 00276 // error recovery mechanism should go here 00277 Error(p_HttpPacket.c_str()); 00278 throw ChannelException("HTTP Error, cannot process response message..."); 00279 } 00280 else if(nHttpSatus == 5) // Status code is 5xx; some error has occurred 00281 { 00282 // error recovery mechanism should go here 00283 GetPayLoad(p_HttpPacket, offset); 00284 if (!m_bStatus) 00285 { 00286 Error(p_HttpPacket.c_str()); 00287 throw AxisFault("HTTP Error, cannot process response message...", 1); 00288 } 00289 } 00290 } 00291 else 00292 throw ChannelException("Unknow HTTP response, cannot process response message..."); 00293 00294 } 00295 00296 00301 00302 void HttpTransport::GetPayLoad(const std::string& p_HttpPacket, std::string::size_type& offset) 00303 { 00304 std::string::size_type pos, nxtpos; 00305 std::string strLine; 00306 int len=0; 00307 00308 // process rest of the HTTP packet 00309 while (true) 00310 { 00311 if((nxtpos = p_HttpPacket.find('\n', offset)) == std::string::npos) return; 00312 nxtpos++; 00313 strLine = p_HttpPacket.substr(offset, nxtpos - offset); 00314 offset = nxtpos; 00315 00316 if((strLine == "\r\n") || (strLine == "\n") || strLine.size() <= 1) 00317 break; 00318 00319 // Get the payload size from the header. 00320 if((pos = strLine.find("Content-Length:")) != std::string::npos) 00321 len = atoi(strLine.substr(pos + strlen("Content-Length: ")).c_str()); 00322 } 00323 00324 m_PayLoad = p_HttpPacket.substr(offset); 00325 00326 pos = m_PayLoad.rfind("</soapenv:Envelope>"); //look for end of the message 00327 00328 if(std::string::npos != pos && m_PayLoad[pos+1] != '\"') 00329 { 00330 m_bStatus = false; // we have the payload 00331 00332 #ifdef _DEBUG 00333 std::cout << "Payload:\n" 00334 << m_PayLoad.substr(m_PayLoad.find('<'), m_PayLoad.rfind('>') + 1) 00335 << std::endl; 00336 #endif 00337 00338 } 00339 } 00340 00341 00346 00347 void HttpTransport::Error(const char * err) 00348 { 00349 #ifdef _DEBUG 00350 std::cerr << err << std::endl; 00351 #endif 00352 } 00353
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