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, const std::string &identityname)\r
  21 {\r
  22         std::string lowerboard=boardname;\r
  23         StringFunctions::LowerCase(lowerboard,lowerboard);\r
  24         SQLite3DB::Statement st=m_db->Prepare("SELECT BoardID FROM tblBoard WHERE BoardName=?;");\r
  25         st.Bind(0,lowerboard);\r
  26         st.Step();\r
  27 \r
  28         if(st.RowReturned())\r
  29         {\r
  30                 int boardid;\r
  31                 st.ResultInt(0,boardid);\r
  32                 return boardid;\r
  33         }\r
  34         else\r
  35         {\r
  36                 DateTime now;\r
  37                 now.SetToGMTime();\r
  38                 st=m_db->Prepare("INSERT INTO tblBoard(BoardName,DateAdded,SaveReceivedMessages,AddedMethod) VALUES(?,?,?,?);");\r
  39                 st.Bind(0,boardname);\r
  40                 st.Bind(1,now.Format("%Y-%m-%d %H:%M:%S"));\r
  41                 if(m_savemessagesfromnewboards)\r
  42                 {\r
  43                         st.Bind(2,"true");\r
  44                 }\r
  45                 else\r
  46                 {\r
  47                         st.Bind(2,"false");\r
  48                 }\r
  49                 st.Bind(3,"Message from "+identityname);\r
  50                 st.Step(true);\r
  51                 return st.GetLastInsertRowID();\r
  52         }       \r
  53 }\r
  54 \r
  55 const std::string MessageRequester::GetIdentityName(const long identityid)\r
  56 {\r
  57         SQLite3DB::Statement st=m_db->Prepare("SELECT Name,PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
  58         st.Bind(0,identityid);\r
  59         st.Step();\r
  60         if(st.RowReturned())\r
  61         {\r
  62                 std::vector<std::string> keyparts;\r
  63                 std::string key;\r
  64                 std::string name;\r
  65                 st.ResultText(0,name);\r
  66                 st.ResultText(1,key);\r
  67                 \r
  68                 StringFunctions::SplitMultiple(key,"@,",keyparts);\r
  69                 \r
  70                 if(keyparts.size()>1)\r
  71                 {\r
  72                         return name+"@"+keyparts[1];\r
  73                 }\r
  74                 else\r
  75                 {\r
  76                         return name+"@invalidpublickey";\r
  77                 }\r
  78         }\r
  79         else\r
  80         {\r
  81                 return "";\r
  82         }\r
  83 }\r
  84 \r
  85 const bool MessageRequester::HandleAllData(FCPMessage &message)\r
  86 {\r
  87         SQLite3DB::Statement st;\r
  88         std::vector<std::string> idparts;\r
  89         long datalength;\r
  90         std::vector<char> data;\r
  91         MessageXML xml;\r
  92         long identityid;\r
  93         long index;\r
  94         bool inserted=false;\r
  95         bool validmessage=true;\r
  96         long savetoboardcount=0;\r
  97 \r
  98         StringFunctions::Split(message["Identifier"],"|",idparts);\r
  99         StringFunctions::Convert(message["DataLength"],datalength);\r
 100         StringFunctions::Convert(idparts[2],identityid);\r
 101         StringFunctions::Convert(idparts[4],index);\r
 102 \r
 103         // wait for all data to be received from connection\r
 104         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
 105         {\r
 106                 m_fcp->Update(1);\r
 107         }\r
 108 \r
 109         // if we got disconnected- return immediately\r
 110         if(m_fcp->Connected()==false)\r
 111         {\r
 112                 return false;\r
 113         }\r
 114 \r
 115         // receive the file\r
 116         data.resize(datalength);\r
 117         m_fcp->ReceiveRaw(&data[0],datalength);\r
 118 \r
 119         // mark this index as received\r
 120         st=m_db->Prepare("UPDATE tblMessageRequests SET Found='true' WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 121         st.Bind(0,identityid);\r
 122         st.Bind(1,idparts[3]);\r
 123         st.Bind(2,index);\r
 124         st.Step();\r
 125         st.Finalize();\r
 126 \r
 127         // parse file into xml and update the database\r
 128         if(xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
 129         {\r
 130                 std::vector<std::string> boards=xml.GetBoards();\r
 131                 std::map<long,std::string> replyto=xml.GetInReplyTo();\r
 132 \r
 133                 if(boards.size()>m_maxboardspermessage)\r
 134                 {\r
 135                         boards.resize(m_maxboardspermessage);\r
 136                 }\r
 137 \r
 138                 if(boards.size()<=0)\r
 139                 {\r
 140                         m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData Message XML did not contain any boards! "+message["Identifier"]);\r
 141                         // remove this identityid from request list\r
 142                         RemoveFromRequestList(idparts[1]);                      \r
 143                         return true;\r
 144                 }\r
 145                 if(xml.GetReplyBoard()=="")\r
 146                 {\r
 147                         m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData Message XML did not contain a reply board! "+message["Identifier"]);\r
 148                         // remove this identityid from request list\r
 149                         RemoveFromRequestList(idparts[1]);                      \r
 150                         return true;\r
 151                 }\r
 152 \r
 153                 // make sure the reply board is on the board list we are saving - if not, replace the last element of boards with the reply board\r
 154                 if(xml.GetReplyBoard()!="" && std::find(boards.begin(),boards.end(),xml.GetReplyBoard())==boards.end() && boards.size()>0)\r
 155                 {\r
 156                         boards[boards.size()-1]=xml.GetReplyBoard();\r
 157                 }\r
 158 \r
 159                 // make sure domain of message id match 43 characters of public key of identity (remove - and ~) - if not, discard message\r
 160                 // implement after 0.1.12 is released\r
 161                 st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 162                 st.Bind(0,identityid);\r
 163                 st.Step();\r
 164                 if(st.RowReturned())\r
 165                 {\r
 166                         std::vector<std::string> uuidparts;\r
 167                         std::vector<std::string> keyparts;\r
 168                         std::string keypart="";\r
 169                         std::string publickey="";\r
 170 \r
 171                         st.ResultText(0,publickey);\r
 172 \r
 173                         StringFunctions::SplitMultiple(publickey,"@,",keyparts);\r
 174                         StringFunctions::SplitMultiple(xml.GetMessageID(),"@",uuidparts);\r
 175 \r
 176                         if(uuidparts.size()>1 && keyparts.size()>1)\r
 177                         {\r
 178                                 keypart=StringFunctions::Replace(StringFunctions::Replace(keyparts[1],"-",""),"~","");\r
 179                                 if(keypart!=uuidparts[1])\r
 180                                 {\r
 181                                         m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData MessageID in Message doesn't match public key of identity : "+message["Identifier"]);\r
 182                                         validmessage=false;\r
 183                                 }\r
 184                         }\r
 185                         else\r
 186                         {\r
 187                                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData Error with identity's public key or Message ID : "+message["Identifier"]);\r
 188                                 validmessage=false;\r
 189                         }\r
 190                 }\r
 191                 else\r
 192                 {\r
 193                         m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData Error couldn't find identity : "+message["Identifier"]);\r
 194                         validmessage=false;\r
 195                 }\r
 196 \r
 197                 // make sure we will at least save to 1 board before inserting message\r
 198                 savetoboardcount=0;\r
 199                 for(std::vector<std::string>::iterator bi=boards.begin(); bi!=boards.end(); bi++)\r
 200                 {\r
 201                         if(SaveToBoard((*bi)))\r
 202                         {\r
 203                                 savetoboardcount++;\r
 204                         }\r
 205                 }\r
 206 \r
 207                 if(validmessage && savetoboardcount>0)\r
 208                 {\r
 209                         st=m_db->Prepare("INSERT INTO tblMessage(IdentityID,FromName,MessageDate,MessageTime,Subject,MessageUUID,ReplyBoardID,Body,MessageIndex) VALUES(?,?,?,?,?,?,?,?,?);");\r
 210                         st.Bind(0,identityid);\r
 211                         st.Bind(1,GetIdentityName(identityid));\r
 212                         st.Bind(2,xml.GetDate());\r
 213                         st.Bind(3,xml.GetTime());\r
 214                         st.Bind(4,xml.GetSubject());\r
 215                         st.Bind(5,xml.GetMessageID());\r
 216                         st.Bind(6,GetBoardID(xml.GetReplyBoard(),GetIdentityName(identityid)));\r
 217                         st.Bind(7,xml.GetBody());\r
 218                         st.Bind(8,index);\r
 219                         inserted=st.Step(true);\r
 220                         int messageid=st.GetLastInsertRowID();\r
 221 \r
 222                         if(inserted==true)\r
 223                         {\r
 224 \r
 225                                 st=m_db->Prepare("INSERT INTO tblMessageBoard(MessageID,BoardID) VALUES(?,?);");\r
 226                                 for(std::vector<std::string>::iterator i=boards.begin(); i!=boards.end(); i++)\r
 227                                 {\r
 228                                         if(SaveToBoard((*i)))\r
 229                                         {\r
 230                                                 st.Bind(0,messageid);\r
 231                                                 st.Bind(1,GetBoardID((*i),GetIdentityName(identityid)));\r
 232                                                 st.Step();\r
 233                                                 st.Reset();\r
 234                                         }\r
 235                                 }\r
 236                                 st.Finalize();\r
 237 \r
 238                                 st=m_db->Prepare("INSERT INTO tblMessageReplyTo(MessageID,ReplyToMessageUUID,ReplyOrder) VALUES(?,?,?);");\r
 239                                 for(std::map<long,std::string>::iterator j=replyto.begin(); j!=replyto.end(); j++)\r
 240                                 {\r
 241                                         st.Bind(0,messageid);\r
 242                                         st.Bind(1,(*j).second);\r
 243                                         st.Bind(2,(*j).first);\r
 244                                         st.Step();\r
 245                                         st.Reset();\r
 246                                 }\r
 247                                 st.Finalize();\r
 248 \r
 249                                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"MessageRequester::HandleAllData parsed Message XML file : "+message["Identifier"]);\r
 250 \r
 251                         }\r
 252                         else    // couldn't insert - was already in database\r
 253                         {\r
 254                                 //m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAddData could not insert message into database.  "+message["Identifier"]);\r
 255                         }\r
 256 \r
 257                 }       // if validmessage\r
 258         }\r
 259         else\r
 260         {\r
 261                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAllData error parsing Message XML file : "+message["Identifier"]);\r
 262         }\r
 263 \r
 264         RemoveFromRequestList(idparts[1]);\r
 265 \r
 266         return true;\r
 267 }\r
 268 \r
 269 const bool MessageRequester::HandleGetFailed(FCPMessage &message)\r
 270 {\r
 271         DateTime now;\r
 272         SQLite3DB::Statement st;\r
 273         std::vector<std::string> idparts;\r
 274         std::string requestid;\r
 275         long index;\r
 276         long identityid;\r
 277 \r
 278         now.SetToGMTime();\r
 279         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 280         requestid=idparts[1];\r
 281         StringFunctions::Convert(idparts[2],identityid);\r
 282         StringFunctions::Convert(idparts[4],index);\r
 283 \r
 284         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 285         if(message["Fatal"]=="true")\r
 286         {\r
 287                 st=m_db->Prepare("UPDATE tblMessageRequests SET Found='true' WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 288                 st.Bind(0,identityid);\r
 289                 st.Bind(1,idparts[3]);\r
 290                 st.Bind(2,index);\r
 291                 st.Step();\r
 292                 st.Finalize();\r
 293 \r
 294                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 295         }\r
 296 \r
 297         // remove this identityid from request list\r
 298         RemoveFromRequestList(requestid);\r
 299 \r
 300         return true;\r
 301 }\r
 302 \r
 303 void MessageRequester::Initialize()\r
 304 {\r
 305         m_fcpuniquename="MessageRequester";\r
 306         std::string tempval;\r
 307         Option::Instance()->Get("MaxMessageRequests",tempval);\r
 308         StringFunctions::Convert(tempval,m_maxrequests);\r
 309         if(m_maxrequests<1)\r
 310         {\r
 311                 m_maxrequests=1;\r
 312                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxMessageRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 313         }\r
 314         if(m_maxrequests>100)\r
 315         {\r
 316                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxMessageRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 317         }\r
 318         Option::Instance()->Get("MessageDownloadMaxDaysBackward",tempval);\r
 319         StringFunctions::Convert(tempval,m_maxdaysbackward);\r
 320         if(m_maxdaysbackward<0)\r
 321         {\r
 322                 m_maxdaysbackward=0;\r
 323                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MessageDownloadMaxDaysBackward is currently set at "+tempval+".  It must be 0 or greater.");\r
 324         }\r
 325         if(m_maxdaysbackward>30)\r
 326         {\r
 327                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MessageDownloadMaxDaysBackward is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 328         }\r
 329         Option::Instance()->Get("MaxPeerMessagesPerDay",tempval);\r
 330         StringFunctions::Convert(tempval,m_maxpeermessages);\r
 331         if(m_maxpeermessages<1)\r
 332         {\r
 333                 m_maxpeermessages=1;\r
 334                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxPeerMessagesPerDay is currently set at "+tempval+".  It must be 1 or greater.");\r
 335         }\r
 336         if(m_maxpeermessages<20 || m_maxpeermessages>1000)\r
 337         {\r
 338                 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
 339         }\r
 340         Option::Instance()->Get("MaxBoardsPerMessage",tempval);\r
 341         StringFunctions::Convert(tempval,m_maxboardspermessage);\r
 342         if(m_maxboardspermessage<1)\r
 343         {\r
 344                 m_maxboardspermessage=1;\r
 345                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxBoardsPerMessage is currently set at "+tempval+".  It must be 1 or greater.");\r
 346         }\r
 347         if(m_maxboardspermessage>20)\r
 348         {\r
 349                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxBoardsPerMessage is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 350         }\r
 351         Option::Instance()->Get("SaveMessagesFromNewBoards",tempval);\r
 352         if(tempval=="true")\r
 353         {\r
 354                 m_savemessagesfromnewboards=true;\r
 355         }\r
 356         else\r
 357         {\r
 358                 m_savemessagesfromnewboards=false;\r
 359         }\r
 360 }\r
 361 \r
 362 void MessageRequester::PopulateIDList()\r
 363 {\r
 364         DateTime date;\r
 365         std::string val1;\r
 366         std::string val2;\r
 367         std::string val3;\r
 368         std::string sql;\r
 369         long requestindex;\r
 370 \r
 371         date.SetToGMTime();\r
 372         date.Add(0,0,0,-m_maxdaysbackward);\r
 373 \r
 374         sql="SELECT tblIdentity.IdentityID,Day,RequestIndex ";\r
 375         sql+="FROM tblMessageRequests INNER JOIN tblIdentity ON tblMessageRequests.IdentityID=tblIdentity.IdentityID ";\r
 376         sql+="WHERE (tblIdentity.LocalMessageTrust IS NULL OR tblIdentity.LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust')) ";\r
 377         sql+="AND FromMessageList='true' AND Found='false' AND Day>='"+date.Format("%Y-%m-%d")+"' ";\r
 378         sql+="AND (tblIdentity.PeerMessageTrust IS NULL OR tblIdentity.PeerMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerMessageTrust')) ";\r
 379         sql+="AND tblIdentity.Name <> '' ";\r
 380         sql+=";";\r
 381 \r
 382         SQLite3DB::Statement st=m_db->Prepare(sql);\r
 383         st.Step();\r
 384 \r
 385         m_ids.clear();\r
 386 \r
 387         while(st.RowReturned())\r
 388         {\r
 389                 st.ResultText(0,val1);\r
 390                 st.ResultText(1,val2);\r
 391                 st.ResultText(2,val3);\r
 392 \r
 393                 requestindex=0;\r
 394                 StringFunctions::Convert(val3,requestindex);\r
 395 \r
 396                 // only continue if index is < max messages we will accept from a peer\r
 397                 if(requestindex<m_maxpeermessages)\r
 398                 {\r
 399                         if(m_ids.find(val1+"*"+val2+"*"+val3)==m_ids.end())\r
 400                         {\r
 401                                 m_ids[val1+"*"+val2+"*"+val3]=false;\r
 402                         }\r
 403                 }\r
 404                 st.Step();\r
 405         }\r
 406 \r
 407 }\r
 408 \r
 409 const bool MessageRequester::SaveToBoard(const std::string &boardname)\r
 410 {\r
 411         bool save=true;\r
 412         SQLite3DB::Statement st=m_db->Prepare("SELECT SaveReceivedMessages FROM tblBoard WHERE BoardName=?;");\r
 413         st.Bind(0,boardname);\r
 414         st.Step();\r
 415         if(st.RowReturned())\r
 416         {\r
 417                 std::string val="";\r
 418                 st.ResultText(0,val);\r
 419                 if(val=="true")\r
 420                 {\r
 421                         save=true;\r
 422                 }\r
 423                 else\r
 424                 {\r
 425                         save=false;\r
 426                 }\r
 427         }\r
 428         return save;\r
 429 }\r
 430 \r
 431 void MessageRequester::StartRequest(const std::string &requestid)\r
 432 {\r
 433         FCPMessage message;\r
 434         std::vector<std::string> parts;\r
 435         std::string tempval;\r
 436         long identityid;\r
 437         std::string date;\r
 438         std::string indexstr;\r
 439         std::string publickey;\r
 440 \r
 441         StringFunctions::Split(requestid,"*",parts);\r
 442         StringFunctions::Convert(parts[0],identityid);\r
 443         StringFunctions::Convert(parts[1],date);\r
 444         indexstr=parts[2];\r
 445 \r
 446         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 447         st.Bind(0,identityid);\r
 448         st.Step();\r
 449 \r
 450         if(st.RowReturned())\r
 451         {\r
 452                 st.ResultText(0,publickey);\r
 453 \r
 454                 message.SetName("ClientGet");\r
 455                 message["URI"]=publickey+m_messagebase+"|"+date+"|Message|"+indexstr+".xml";\r
 456                 message["Identifier"]=m_fcpuniquename+"|"+requestid+"|"+parts[0]+"|"+parts[1]+"|"+parts[2]+"|"+message["URI"];\r
 457                 message["ReturnType"]="direct";\r
 458                 message["MaxSize"]="1000000";           // 1 MB\r
 459                 message["MaxRetries"]="-1";                     // use new ULPR since we are fairly sure message exists since the author says it does\r
 460 \r
 461                 m_fcp->SendMessage(message);\r
 462 \r
 463                 m_requesting.push_back(requestid);\r
 464 \r
 465                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"MessageRequester::StartRequest requesting "+message["Identifier"]);\r
 466         }\r
 467         \r
 468         m_ids[requestid]=true;\r
 469 \r
 470 }\r