src/freenet/messagerequester.cpp

   1 #include "../../include/freenet/messagerequester.h"\r
   2 #include "../../include/freenet/messagexml.h"\r
   3 \r
   4 #include <algorithm>\r
   5 \r
   6 #ifdef XMEM\r
   7         #include <xmem.h>\r
   8 #endif\r
   9 \r
  10 MessageRequester::MessageRequester()\r
  11 {\r
  12         Initialize();\r
  13 }\r
  14 \r
  15 MessageRequester::MessageRequester(FCPv2 *fcp):IIndexRequester<std::string>(fcp)\r
  16 {\r
  17         Initialize();\r
  18 }\r
  19 \r
  20 const long MessageRequester::GetBoardID(const std::string &boardname)\r
  21 {\r
  22         SQLite3DB::Statement st=m_db->Prepare("SELECT BoardID FROM tblBoard WHERE BoardName=?;");\r
  23         st.Bind(0,boardname);\r
  24         st.Step();\r
  25 \r
  26         if(st.RowReturned())\r
  27         {\r
  28                 int boardid;\r
  29                 st.ResultInt(0,boardid);\r
  30                 return boardid;\r
  31         }\r
  32         else\r
  33         {\r
  34                 DateTime now;\r
  35                 now.SetToGMTime();\r
  36                 st=m_db->Prepare("INSERT INTO tblBoard(BoardName,DateAdded) VALUES(?,?);");\r
  37                 st.Bind(0,boardname);\r
  38                 st.Bind(1,now.Format("%Y-%m-%d %H:%M:%S"));\r
  39                 st.Step(true);\r
  40                 return st.GetLastInsertRowID();\r
  41         }       \r
  42 }\r
  43 \r
  44 const std::string MessageRequester::GetIdentityName(const long identityid)\r
  45 {\r
  46         SQLite3DB::Statement st=m_db->Prepare("SELECT Name,PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
  47         st.Bind(0,identityid);\r
  48         st.Step();\r
  49         if(st.RowReturned())\r
  50         {\r
  51                 std::vector<std::string> keyparts;\r
  52                 std::string key;\r
  53                 std::string name;\r
  54                 st.ResultText(0,name);\r
  55                 st.ResultText(1,key);\r
  56                 \r
  57                 StringFunctions::SplitMultiple(key,"@,",keyparts);\r
  58                 \r
  59                 if(keyparts.size()>1)\r
  60                 {\r
  61                         return name+"@"+keyparts[1];\r
  62                 }\r
  63                 else\r
  64                 {\r
  65                         return name+"@invalidpublickey";\r
  66                 }\r
  67         }\r
  68         else\r
  69         {\r
  70                 return "";\r
  71         }\r
  72 }\r
  73 \r
  74 const bool MessageRequester::HandleAllData(FCPMessage &message)\r
  75 {\r
  76         SQLite3DB::Statement st;\r
  77         std::vector<std::string> idparts;\r
  78         long datalength;\r
  79         std::vector<char> data;\r
  80         MessageXML xml;\r
  81         long identityid;\r
  82         long index;\r
  83         bool inserted=false;\r
  84 \r
  85         StringFunctions::Split(message["Identifier"],"|",idparts);\r
  86         StringFunctions::Convert(message["DataLength"],datalength);\r
  87         StringFunctions::Convert(idparts[2],identityid);\r
  88         StringFunctions::Convert(idparts[4],index);\r
  89 \r
  90         // wait for all data to be received from connection\r
  91         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
  92         {\r
  93                 m_fcp->Update(1);\r
  94         }\r
  95 \r
  96         // if we got disconnected- return immediately\r
  97         if(m_fcp->Connected()==false)\r
  98         {\r
  99                 return false;\r
 100         }\r
 101 \r
 102         // receive the file\r
 103         data.resize(datalength);\r
 104         m_fcp->ReceiveRaw(&data[0],datalength);\r
 105 \r
 106         // mark this index as received\r
 107         st=m_db->Prepare("UPDATE tblMessageRequests SET Found='true' WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 108         st.Bind(0,identityid);\r
 109         st.Bind(1,idparts[3]);\r
 110         st.Bind(2,index);\r
 111         st.Step();\r
 112         st.Finalize();\r
 113 \r
 114         // parse file into xml and update the database\r
 115         if(xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
 116         {\r
 117                 std::vector<std::string> boards=xml.GetBoards();\r
 118                 if(boards.size()>m_maxboardspermessage)\r
 119                 {\r
 120                         boards.resize(m_maxboardspermessage);\r
 121                 }\r
 122 \r
 123                 if(boards.size()<=0)\r
 124                 {\r
 125                         m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData Message XML did not contain any boards! "+message["Identifier"]);\r
 126                         return true;\r
 127                 }\r
 128                 if(xml.GetReplyBoard()=="")\r
 129                 {\r
 130                         m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData Message XML did not contain a reply board! "+message["Identifier"]);\r
 131                         return true;\r
 132                 }\r
 133                 \r
 134                 // make sure the reply board is on the board list - if not, replace the last element of boardswith the reply board\r
 135                 if(xml.GetReplyBoard()!="" && std::find(boards.begin(),boards.end(),xml.GetReplyBoard())==boards.end() && boards.size()>0)\r
 136                 {\r
 137                         boards[boards.size()-1]=xml.GetReplyBoard();\r
 138                 }\r
 139 \r
 140                 st=m_db->Prepare("INSERT INTO tblMessage(IdentityID,FromName,MessageDate,MessageTime,Subject,MessageUUID,ReplyBoardID,Body) VALUES(?,?,?,?,?,?,?,?);");\r
 141                 st.Bind(0,identityid);\r
 142                 st.Bind(1,GetIdentityName(identityid));\r
 143                 st.Bind(2,xml.GetDate());\r
 144                 st.Bind(3,xml.GetTime());\r
 145                 st.Bind(4,xml.GetSubject());\r
 146                 st.Bind(5,xml.GetMessageID());\r
 147                 st.Bind(6,GetBoardID(xml.GetReplyBoard()));\r
 148                 st.Bind(7,xml.GetBody());\r
 149                 inserted=st.Step(true);\r
 150                 int messageid=st.GetLastInsertRowID();\r
 151 \r
 152                 if(inserted==true)\r
 153                 {\r
 154 \r
 155                         st=m_db->Prepare("INSERT INTO tblMessageBoard(MessageID,BoardID) VALUES(?,?);");\r
 156                         for(std::vector<std::string>::iterator i=boards.begin(); i!=boards.end(); i++)\r
 157                         {\r
 158                                 st.Bind(0,messageid);\r
 159                                 st.Bind(1,GetBoardID((*i)));\r
 160                                 st.Step();\r
 161                                 st.Reset();\r
 162                         }\r
 163                         st.Finalize();\r
 164 \r
 165                         st=m_db->Prepare("INSERT INTO tblMessageReplyTo(MessageID,ReplyToMessageUUID,ReplyOrder) VALUES(?,?,?);");\r
 166                         std::map<long,std::string> replyto=xml.GetInReplyTo();\r
 167                         for(std::map<long,std::string>::iterator j=replyto.begin(); j!=replyto.end(); j++)\r
 168                         {\r
 169                                 st.Bind(0,messageid);\r
 170                                 st.Bind(1,(*j).second);\r
 171                                 st.Bind(2,(*j).first);\r
 172                                 st.Step();\r
 173                                 st.Reset();\r
 174                         }\r
 175                         st.Finalize();\r
 176 \r
 177                         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"MessageRequester::HandleAllData parsed Message XML file : "+message["Identifier"]);\r
 178 \r
 179                 }\r
 180                 else    // couldn't insert - was already in database\r
 181                 {\r
 182                         //m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAddData could not insert message into database.  "+message["Identifier"]);\r
 183                 }\r
 184 \r
 185         }\r
 186         else\r
 187         {\r
 188                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData error parsing Message XML file : "+message["Identifier"]);\r
 189         }\r
 190 \r
 191         RemoveFromRequestList(idparts[1]);\r
 192 \r
 193         return true;\r
 194 }\r
 195 \r
 196 const bool MessageRequester::HandleGetFailed(FCPMessage &message)\r
 197 {\r
 198         DateTime now;\r
 199         SQLite3DB::Statement st;\r
 200         std::vector<std::string> idparts;\r
 201         std::string requestid;\r
 202         long index;\r
 203         long identityid;\r
 204 \r
 205         now.SetToGMTime();\r
 206         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 207         requestid=idparts[1];\r
 208         StringFunctions::Convert(idparts[2],identityid);\r
 209         StringFunctions::Convert(idparts[4],index);\r
 210 \r
 211         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 212         if(message["Fatal"]=="true")\r
 213         {\r
 214                 st=m_db->Prepare("UPDATE tblMessageRequests SET Found='true' WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 215                 st.Bind(0,identityid);\r
 216                 st.Bind(1,idparts[3]);\r
 217                 st.Bind(2,index);\r
 218                 st.Step();\r
 219                 st.Finalize();\r
 220 \r
 221                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 222         }\r
 223 \r
 224         // remove this identityid from request list\r
 225         RemoveFromRequestList(requestid);\r
 226 \r
 227         return true;\r
 228 }\r
 229 \r
 230 void MessageRequester::Initialize()\r
 231 {\r
 232         m_fcpuniquename="MessageRequester";\r
 233         std::string tempval;\r
 234         Option::Instance()->Get("MaxMessageRequests",tempval);\r
 235         StringFunctions::Convert(tempval,m_maxrequests);\r
 236         if(m_maxrequests<1)\r
 237         {\r
 238                 m_maxrequests=1;\r
 239                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxMessageRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 240         }\r
 241         if(m_maxrequests>100)\r
 242         {\r
 243                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxMessageRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 244         }\r
 245         Option::Instance()->Get("MessageDownloadMaxDaysBackward",tempval);\r
 246         StringFunctions::Convert(tempval,m_maxdaysbackward);\r
 247         if(m_maxdaysbackward<0)\r
 248         {\r
 249                 m_maxdaysbackward=0;\r
 250                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MessageDownloadMaxDaysBackward is currently set at "+tempval+".  It must be 0 or greater.");\r
 251         }\r
 252         if(m_maxdaysbackward>30)\r
 253         {\r
 254                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MessageDownloadMaxDaysBackward is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 255         }\r
 256         Option::Instance()->Get("MaxPeerMessagesPerDay",tempval);\r
 257         StringFunctions::Convert(tempval,m_maxpeermessages);\r
 258         if(m_maxpeermessages<1)\r
 259         {\r
 260                 m_maxpeermessages=1;\r
 261                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxPeerMessagesPerDay is currently set at "+tempval+".  It must be 1 or greater.");\r
 262         }\r
 263         if(m_maxpeermessages<20 || m_maxpeermessages>1000)\r
 264         {\r
 265                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxPeerMessagesPerDay is currently set at "+tempval+".  This value might be incorrectly configured.  The suggested value is 200.");\r
 266         }\r
 267         Option::Instance()->Get("MaxBoardsPerMessage",tempval);\r
 268         StringFunctions::Convert(tempval,m_maxboardspermessage);\r
 269         if(m_maxboardspermessage<1)\r
 270         {\r
 271                 m_maxboardspermessage=1;\r
 272                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxBoardsPerMessage is currently set at "+tempval+".  It must be 1 or greater.");\r
 273         }\r
 274         if(m_maxboardspermessage>20)\r
 275         {\r
 276                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxBoardsPerMessage is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 277         }\r
 278 }\r
 279 \r
 280 void MessageRequester::PopulateIDList()\r
 281 {\r
 282         DateTime date;\r
 283         std::string val1;\r
 284         std::string val2;\r
 285         std::string val3;\r
 286         std::string sql;\r
 287         long requestindex;\r
 288 \r
 289         date.SetToGMTime();\r
 290         date.Add(0,0,0,-m_maxdaysbackward);\r
 291 \r
 292         sql="SELECT tblIdentity.IdentityID,Day,RequestIndex ";\r
 293         sql+="FROM tblMessageRequests INNER JOIN tblIdentity ON tblMessageRequests.IdentityID=tblIdentity.IdentityID ";\r
 294         sql+="WHERE tblIdentity.LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust') AND FromMessageList='true' AND Found='false' AND Day>='"+date.Format("%Y-%m-%d")+"' ";\r
 295         sql+="AND (tblIdentity.PeerMessageTrust IS NULL OR tblIdentity.PeerMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerMessageTrust')) ";\r
 296         sql+=";";\r
 297 \r
 298         SQLite3DB::Statement st=m_db->Prepare(sql);\r
 299         st.Step();\r
 300 \r
 301         m_ids.clear();\r
 302 \r
 303         while(st.RowReturned())\r
 304         {\r
 305                 st.ResultText(0,val1);\r
 306                 st.ResultText(1,val2);\r
 307                 st.ResultText(2,val3);\r
 308 \r
 309                 requestindex=0;\r
 310                 StringFunctions::Convert(val3,requestindex);\r
 311 \r
 312                 // only continue if index is < max messages we will accept from a peer\r
 313                 if(requestindex<m_maxpeermessages)\r
 314                 {\r
 315                         if(m_ids.find(val1+"*"+val2+"*"+val3)==m_ids.end())\r
 316                         {\r
 317                                 m_ids[val1+"*"+val2+"*"+val3]=false;\r
 318                         }\r
 319                 }\r
 320                 st.Step();\r
 321         }\r
 322 \r
 323 }\r
 324 \r
 325 void MessageRequester::StartRequest(const std::string &requestid)\r
 326 {\r
 327         FCPMessage message;\r
 328         std::vector<std::string> parts;\r
 329         std::string tempval;\r
 330         long identityid;\r
 331         std::string date;\r
 332         std::string indexstr;\r
 333         std::string publickey;\r
 334 \r
 335         StringFunctions::Split(requestid,"*",parts);\r
 336         StringFunctions::Convert(parts[0],identityid);\r
 337         StringFunctions::Convert(parts[1],date);\r
 338         indexstr=parts[2];\r
 339 \r
 340         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 341         st.Bind(0,identityid);\r
 342         st.Step();\r
 343 \r
 344         if(st.RowReturned())\r
 345         {\r
 346                 st.ResultText(0,publickey);\r
 347 \r
 348                 message.SetName("ClientGet");\r
 349                 message["URI"]=publickey+m_messagebase+"|"+date+"|Message|"+indexstr+".xml";\r
 350                 message["Identifier"]=m_fcpuniquename+"|"+requestid+"|"+parts[0]+"|"+parts[1]+"|"+parts[2]+"|"+message["URI"];\r
 351                 message["ReturnType"]="direct";\r
 352                 message["MaxSize"]="1000000";           // 1 MB\r
 353                 message["MaxRetries"]="-1";                     // use new ULPR since we are fairly sure message exists since the author says it does\r
 354 \r
 355                 m_fcp->SendMessage(message);\r
 356 \r
 357                 m_requesting.push_back(requestid);\r
 358 \r
 359                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"MessageRequester::StartRequest requesting "+message["Identifier"]);\r
 360         }\r
 361         \r
 362         m_ids[requestid]=true;\r
 363 \r
 364 }\r