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 #include <Poco/DateTime.h>\r
   7 #include <Poco/DateTimeFormatter.h>\r
   8 #include <Poco/Timespan.h>\r
   9 \r
  10 #ifdef XMEM\r
  11         #include <xmem.h>\r
  12 #endif\r
  13 \r
  14 MessageRequester::MessageRequester()\r
  15 {\r
  16         Initialize();\r
  17 }\r
  18 \r
  19 MessageRequester::MessageRequester(FCPv2 *fcp):IIndexRequester<std::string>(fcp)\r
  20 {\r
  21         Initialize();\r
  22 }\r
  23 \r
  24 const long MessageRequester::GetBoardID(const std::string &boardname, const std::string &identityname)\r
  25 {\r
  26         std::string lowerboard=boardname;\r
  27         StringFunctions::LowerCase(lowerboard,lowerboard);\r
  28         SQLite3DB::Statement st=m_db->Prepare("SELECT BoardID FROM tblBoard WHERE BoardName=?;");\r
  29         st.Bind(0,lowerboard);\r
  30         st.Step();\r
  31 \r
  32         if(st.RowReturned())\r
  33         {\r
  34                 int boardid;\r
  35                 st.ResultInt(0,boardid);\r
  36                 return boardid;\r
  37         }\r
  38         else\r
  39         {\r
  40                 Poco::DateTime now;\r
  41                 st=m_db->Prepare("INSERT INTO tblBoard(BoardName,DateAdded,SaveReceivedMessages,AddedMethod) VALUES(?,?,?,?);");\r
  42                 st.Bind(0,boardname);\r
  43                 st.Bind(1,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));\r
  44                 if(m_savemessagesfromnewboards)\r
  45                 {\r
  46                         st.Bind(2,"true");\r
  47                 }\r
  48                 else\r
  49                 {\r
  50                         st.Bind(2,"false");\r
  51                 }\r
  52                 st.Bind(3,"Message from "+identityname);\r
  53                 st.Step(true);\r
  54                 return st.GetLastInsertRowID();\r
  55         }       \r
  56 }\r
  57 \r
  58 const std::string MessageRequester::GetIdentityName(const long identityid)\r
  59 {\r
  60         SQLite3DB::Statement st=m_db->Prepare("SELECT Name,PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
  61         st.Bind(0,identityid);\r
  62         st.Step();\r
  63         if(st.RowReturned())\r
  64         {\r
  65                 std::vector<std::string> keyparts;\r
  66                 std::string key;\r
  67                 std::string name;\r
  68                 st.ResultText(0,name);\r
  69                 st.ResultText(1,key);\r
  70                 \r
  71                 StringFunctions::SplitMultiple(key,"@,",keyparts);\r
  72                 \r
  73                 if(keyparts.size()>1)\r
  74                 {\r
  75                         return name+"@"+keyparts[1];\r
  76                 }\r
  77                 else\r
  78                 {\r
  79                         return name+"@invalidpublickey";\r
  80                 }\r
  81         }\r
  82         else\r
  83         {\r
  84                 return "";\r
  85         }\r
  86 }\r
  87 \r
  88 const bool MessageRequester::HandleAllData(FCPMessage &message)\r
  89 {\r
  90         SQLite3DB::Statement st;\r
  91         std::vector<std::string> idparts;\r
  92         long datalength;\r
  93         std::vector<char> data;\r
  94         MessageXML xml;\r
  95         long identityid;\r
  96         long index;\r
  97         bool inserted=false;\r
  98         bool validmessage=true;\r
  99         long savetoboardcount=0;\r
 100 \r
 101         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 102         StringFunctions::Convert(message["DataLength"],datalength);\r
 103         StringFunctions::Convert(idparts[2],identityid);\r
 104         StringFunctions::Convert(idparts[4],index);\r
 105 \r
 106         // wait for all data to be received from connection\r
 107         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
 108         {\r
 109                 m_fcp->Update(1);\r
 110         }\r
 111 \r
 112         // if we got disconnected- return immediately\r
 113         if(m_fcp->Connected()==false)\r
 114         {\r
 115                 return false;\r
 116         }\r
 117 \r
 118         // receive the file\r
 119         data.resize(datalength);\r
 120         m_fcp->ReceiveRaw(&data[0],datalength);\r
 121 \r
 122         // mark this index as received\r
 123         st=m_db->Prepare("UPDATE tblMessageRequests SET Found='true' WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 124         st.Bind(0,identityid);\r
 125         st.Bind(1,idparts[3]);\r
 126         st.Bind(2,index);\r
 127         st.Step();\r
 128         st.Finalize();\r
 129 \r
 130         // parse file into xml and update the database\r
 131         if(xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
 132         {\r
 133                 std::vector<std::string> boards=xml.GetBoards();\r
 134                 std::map<long,std::string> replyto=xml.GetInReplyTo();\r
 135 \r
 136                 if(boards.size()>m_maxboardspermessage)\r
 137                 {\r
 138                         boards.resize(m_maxboardspermessage);\r
 139                 }\r
 140 \r
 141                 if(boards.size()<=0)\r
 142                 {\r
 143                         m_log->error("MessageRequester::HandleAllData Message XML did not contain any boards! "+message["Identifier"]);\r
 144                         // remove this identityid from request list\r
 145                         RemoveFromRequestList(idparts[1]);                      \r
 146                         return true;\r
 147                 }\r
 148                 if(xml.GetReplyBoard()=="")\r
 149                 {\r
 150                         m_log->error("MessageRequester::HandleAllData Message XML did not contain a reply board! "+message["Identifier"]);\r
 151                         // remove this identityid from request list\r
 152                         RemoveFromRequestList(idparts[1]);                      \r
 153                         return true;\r
 154                 }\r
 155 \r
 156                 // 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
 157                 if(xml.GetReplyBoard()!="" && std::find(boards.begin(),boards.end(),xml.GetReplyBoard())==boards.end() && boards.size()>0)\r
 158                 {\r
 159                         boards[boards.size()-1]=xml.GetReplyBoard();\r
 160                 }\r
 161 \r
 162                 // make sure domain of message id match 43 characters of public key of identity (remove - and ~) - if not, discard message\r
 163                 // implement after 0.1.12 is released\r
 164                 st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 165                 st.Bind(0,identityid);\r
 166                 st.Step();\r
 167                 if(st.RowReturned())\r
 168                 {\r
 169                         std::vector<std::string> uuidparts;\r
 170                         std::vector<std::string> keyparts;\r
 171                         std::string keypart="";\r
 172                         std::string publickey="";\r
 173 \r
 174                         st.ResultText(0,publickey);\r
 175 \r
 176                         StringFunctions::SplitMultiple(publickey,"@,",keyparts);\r
 177                         StringFunctions::SplitMultiple(xml.GetMessageID(),"@",uuidparts);\r
 178 \r
 179                         if(uuidparts.size()>1 && keyparts.size()>1)\r
 180                         {\r
 181                                 keypart=StringFunctions::Replace(StringFunctions::Replace(keyparts[1],"-",""),"~","");\r
 182                                 if(keypart!=uuidparts[1])\r
 183                                 {\r
 184                                         m_log->error("MessageRequester::HandleAllData MessageID in Message doesn't match public key of identity : "+message["Identifier"]);\r
 185                                         validmessage=false;\r
 186                                 }\r
 187                         }\r
 188                         else\r
 189                         {\r
 190                                 m_log->error("MessageRequester::HandleAllData Error with identity's public key or Message ID : "+message["Identifier"]);\r
 191                                 validmessage=false;\r
 192                         }\r
 193                 }\r
 194                 else\r
 195                 {\r
 196                         m_log->error("MessageRequester::HandleAllData Error couldn't find identity : "+message["Identifier"]);\r
 197                         validmessage=false;\r
 198                 }\r
 199 \r
 200                 // make sure we will at least save to 1 board before inserting message\r
 201                 savetoboardcount=0;\r
 202                 for(std::vector<std::string>::iterator bi=boards.begin(); bi!=boards.end(); bi++)\r
 203                 {\r
 204                         if(SaveToBoard((*bi)))\r
 205                         {\r
 206                                 savetoboardcount++;\r
 207                         }\r
 208                 }\r
 209 \r
 210                 if(validmessage && savetoboardcount>0)\r
 211                 {\r
 212                         std::string nntpbody="";\r
 213                         nntpbody=xml.GetBody();\r
 214 \r
 215                         //add file keys/sizes to body\r
 216                         std::vector<MessageXML::fileattachment> fileattachments=xml.GetFileAttachments();\r
 217                         if(fileattachments.size()>0)\r
 218                         {\r
 219                                 nntpbody+="\r\nAttachments";\r
 220                         }\r
 221                         for(std::vector<MessageXML::fileattachment>::iterator i=fileattachments.begin(); i!=fileattachments.end(); i++)\r
 222                         {\r
 223                                 std::string sizestr="0";\r
 224                                 StringFunctions::Convert((*i).m_size,sizestr);\r
 225 \r
 226                                 nntpbody+="\r\n"+(*i).m_key;\r
 227                                 nntpbody+="\r\n"+sizestr+" bytes";\r
 228                                 nntpbody+="\r\n";\r
 229                         }\r
 230 \r
 231                         st=m_db->Prepare("INSERT INTO tblMessage(IdentityID,FromName,MessageDate,MessageTime,Subject,MessageUUID,ReplyBoardID,Body,MessageIndex) VALUES(?,?,?,?,?,?,?,?,?);");\r
 232                         st.Bind(0,identityid);\r
 233                         st.Bind(1,GetIdentityName(identityid));\r
 234                         st.Bind(2,xml.GetDate());\r
 235                         st.Bind(3,xml.GetTime());\r
 236                         st.Bind(4,xml.GetSubject());\r
 237                         st.Bind(5,xml.GetMessageID());\r
 238                         st.Bind(6,GetBoardID(xml.GetReplyBoard(),GetIdentityName(identityid)));\r
 239                         st.Bind(7,nntpbody);\r
 240                         st.Bind(8,index);\r
 241                         inserted=st.Step(true);\r
 242                         int messageid=st.GetLastInsertRowID();\r
 243 \r
 244                         if(inserted==true)\r
 245                         {\r
 246 \r
 247                                 st=m_db->Prepare("INSERT INTO tblMessageBoard(MessageID,BoardID) VALUES(?,?);");\r
 248                                 for(std::vector<std::string>::iterator i=boards.begin(); i!=boards.end(); i++)\r
 249                                 {\r
 250                                         if(SaveToBoard((*i)))\r
 251                                         {\r
 252                                                 st.Bind(0,messageid);\r
 253                                                 st.Bind(1,GetBoardID((*i),GetIdentityName(identityid)));\r
 254                                                 st.Step();\r
 255                                                 st.Reset();\r
 256                                         }\r
 257                                 }\r
 258                                 st.Finalize();\r
 259 \r
 260                                 st=m_db->Prepare("INSERT INTO tblMessageReplyTo(MessageID,ReplyToMessageUUID,ReplyOrder) VALUES(?,?,?);");\r
 261                                 for(std::map<long,std::string>::iterator j=replyto.begin(); j!=replyto.end(); j++)\r
 262                                 {\r
 263                                         st.Bind(0,messageid);\r
 264                                         st.Bind(1,(*j).second);\r
 265                                         st.Bind(2,(*j).first);\r
 266                                         st.Step();\r
 267                                         st.Reset();\r
 268                                 }\r
 269                                 st.Finalize();\r
 270 \r
 271                                 m_log->debug("MessageRequester::HandleAllData parsed Message XML file : "+message["Identifier"]);\r
 272 \r
 273                         }\r
 274                         else    // couldn't insert - was already in database\r
 275                         {\r
 276                                 //m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"MessageRequester::HandleAddData could not insert message into database.  "+message["Identifier"]);\r
 277                         }\r
 278 \r
 279                 }       // if validmessage\r
 280         }\r
 281         else\r
 282         {\r
 283                 m_log->error("MessageRequester::HandleAllData error parsing Message XML file : "+message["Identifier"]);\r
 284         }\r
 285 \r
 286         RemoveFromRequestList(idparts[1]);\r
 287 \r
 288         return true;\r
 289 }\r
 290 \r
 291 const bool MessageRequester::HandleGetFailed(FCPMessage &message)\r
 292 {\r
 293         SQLite3DB::Statement st;\r
 294         std::vector<std::string> idparts;\r
 295         std::string requestid;\r
 296         long index;\r
 297         long identityid;\r
 298 \r
 299         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 300         requestid=idparts[1];\r
 301         StringFunctions::Convert(idparts[2],identityid);\r
 302         StringFunctions::Convert(idparts[4],index);\r
 303 \r
 304         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 305         if(message["Fatal"]=="true")\r
 306         {\r
 307                 st=m_db->Prepare("UPDATE tblMessageRequests SET Found='true' WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 308                 st.Bind(0,identityid);\r
 309                 st.Bind(1,idparts[3]);\r
 310                 st.Bind(2,index);\r
 311                 st.Step();\r
 312                 st.Finalize();\r
 313 \r
 314                 m_log->error("MessageRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 315         }\r
 316 \r
 317         // remove this identityid from request list\r
 318         RemoveFromRequestList(requestid);\r
 319 \r
 320         return true;\r
 321 }\r
 322 \r
 323 void MessageRequester::Initialize()\r
 324 {\r
 325         m_fcpuniquename="MessageRequester";\r
 326         std::string tempval;\r
 327         Option::Instance()->Get("MaxMessageRequests",tempval);\r
 328         StringFunctions::Convert(tempval,m_maxrequests);\r
 329         if(m_maxrequests<1)\r
 330         {\r
 331                 m_maxrequests=1;\r
 332                 m_log->error("Option MaxMessageRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 333         }\r
 334         if(m_maxrequests>100)\r
 335         {\r
 336                 m_log->warning("Option MaxMessageRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 337         }\r
 338         Option::Instance()->Get("MessageDownloadMaxDaysBackward",tempval);\r
 339         StringFunctions::Convert(tempval,m_maxdaysbackward);\r
 340         if(m_maxdaysbackward<0)\r
 341         {\r
 342                 m_maxdaysbackward=0;\r
 343                 m_log->error("Option MessageDownloadMaxDaysBackward is currently set at "+tempval+".  It must be 0 or greater.");\r
 344         }\r
 345         if(m_maxdaysbackward>30)\r
 346         {\r
 347                 m_log->warning("Option MessageDownloadMaxDaysBackward is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 348         }\r
 349         Option::Instance()->Get("MaxPeerMessagesPerDay",tempval);\r
 350         StringFunctions::Convert(tempval,m_maxpeermessages);\r
 351         if(m_maxpeermessages<1)\r
 352         {\r
 353                 m_maxpeermessages=1;\r
 354                 m_log->error("Option MaxPeerMessagesPerDay is currently set at "+tempval+".  It must be 1 or greater.");\r
 355         }\r
 356         if(m_maxpeermessages<20 || m_maxpeermessages>1000)\r
 357         {\r
 358                 m_log->warning("Option MaxPeerMessagesPerDay is currently set at "+tempval+".  This value might be incorrectly configured.  The suggested value is 200.");\r
 359         }\r
 360         Option::Instance()->Get("MaxBoardsPerMessage",tempval);\r
 361         StringFunctions::Convert(tempval,m_maxboardspermessage);\r
 362         if(m_maxboardspermessage<1)\r
 363         {\r
 364                 m_maxboardspermessage=1;\r
 365                 m_log->error("Option MaxBoardsPerMessage is currently set at "+tempval+".  It must be 1 or greater.");\r
 366         }\r
 367         if(m_maxboardspermessage>20)\r
 368         {\r
 369                 m_log->warning("Option MaxBoardsPerMessage is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 370         }\r
 371 \r
 372         Option::Instance()->Get("SaveMessagesFromNewBoards",tempval);\r
 373         if(tempval=="true")\r
 374         {\r
 375                 m_savemessagesfromnewboards=true;\r
 376         }\r
 377         else\r
 378         {\r
 379                 m_savemessagesfromnewboards=false;\r
 380         }\r
 381 \r
 382         Option::Instance()->Get("LocalTrustOverridesPeerTrust",tempval);\r
 383         if(tempval=="true")\r
 384         {\r
 385                 m_localtrustoverrides=true;\r
 386         }\r
 387         else\r
 388         {\r
 389                 m_localtrustoverrides=false;\r
 390         }\r
 391 \r
 392 }\r
 393 \r
 394 void MessageRequester::PopulateIDList()\r
 395 {\r
 396         Poco::DateTime date;\r
 397         std::string val1;\r
 398         std::string val2;\r
 399         std::string val3;\r
 400         std::string sql;\r
 401         long requestindex;\r
 402 \r
 403         date-=Poco::Timespan(m_maxdaysbackward,0,0,0,0);\r
 404 \r
 405         sql="SELECT tblIdentity.IdentityID,Day,RequestIndex ";\r
 406         sql+="FROM tblMessageRequests INNER JOIN tblIdentity ON tblMessageRequests.IdentityID=tblIdentity.IdentityID ";\r
 407         sql+="WHERE FromMessageList='true' AND Found='false' AND Day>='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"' ";\r
 408         if(m_localtrustoverrides==false)\r
 409         {\r
 410                 sql+="AND (tblIdentity.LocalMessageTrust IS NULL OR tblIdentity.LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust')) ";\r
 411                 sql+="AND (tblIdentity.PeerMessageTrust IS NULL OR tblIdentity.PeerMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerMessageTrust')) ";\r
 412         }\r
 413         else\r
 414         {\r
 415                 sql+="AND (tblIdentity.LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust') OR (tblIdentity.LocalMessageTrust IS NULL AND (tblIdentity.PeerMessageTrust IS NULL OR tblIdentity.PeerMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerMessageTrust')))) ";\r
 416         }\r
 417         sql+="AND tblIdentity.Name <> '' ";\r
 418         // sort by day descending - in case there is a bunch of messages on a day that keep timing out, we will eventually get to the next day and hopefully find messages there\r
 419         // secondary ascending sort on tries\r
 420         // tertiary sort on request index (so we get low indexes first)\r
 421         sql+="ORDER BY tblMessageRequests.Day DESC, tblMessageRequests.Tries ASC, tblMessageRequests.RequestIndex ASC ";\r
 422         sql+=";";\r
 423 \r
 424         SQLite3DB::Statement st=m_db->Prepare(sql);\r
 425         st.Step();\r
 426 \r
 427         m_ids.clear();\r
 428 \r
 429         while(st.RowReturned())\r
 430         {\r
 431                 st.ResultText(0,val1);\r
 432                 st.ResultText(1,val2);\r
 433                 st.ResultText(2,val3);\r
 434 \r
 435                 requestindex=0;\r
 436                 StringFunctions::Convert(val3,requestindex);\r
 437 \r
 438                 // only continue if index is < max messages we will accept from a peer\r
 439                 if(requestindex<m_maxpeermessages)\r
 440                 {\r
 441                         if(m_ids.find(val1+"*"+val2+"*"+val3)==m_ids.end())\r
 442                         {\r
 443                                 m_ids[val1+"*"+val2+"*"+val3]=false;\r
 444                         }\r
 445                 }\r
 446                 st.Step();\r
 447         }\r
 448 \r
 449 }\r
 450 \r
 451 const bool MessageRequester::SaveToBoard(const std::string &boardname)\r
 452 {\r
 453         bool save=true;\r
 454         SQLite3DB::Statement st=m_db->Prepare("SELECT SaveReceivedMessages FROM tblBoard WHERE BoardName=?;");\r
 455         st.Bind(0,boardname);\r
 456         st.Step();\r
 457         if(st.RowReturned())\r
 458         {\r
 459                 std::string val="";\r
 460                 st.ResultText(0,val);\r
 461                 if(val=="true")\r
 462                 {\r
 463                         save=true;\r
 464                 }\r
 465                 else\r
 466                 {\r
 467                         save=false;\r
 468                 }\r
 469         }\r
 470         return save;\r
 471 }\r
 472 \r
 473 void MessageRequester::StartRequest(const std::string &requestid)\r
 474 {\r
 475         FCPMessage message;\r
 476         std::vector<std::string> parts;\r
 477         std::string tempval;\r
 478         long identityid;\r
 479         std::string date;\r
 480         std::string indexstr;\r
 481         std::string publickey;\r
 482 \r
 483         StringFunctions::Split(requestid,"*",parts);\r
 484         StringFunctions::Convert(parts[0],identityid);\r
 485         StringFunctions::Convert(parts[1],date);\r
 486         indexstr=parts[2];\r
 487 \r
 488         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 489         st.Bind(0,identityid);\r
 490         st.Step();\r
 491 \r
 492         if(st.RowReturned())\r
 493         {\r
 494                 st.ResultText(0,publickey);\r
 495 \r
 496                 message.SetName("ClientGet");\r
 497                 message["URI"]=publickey+m_messagebase+"|"+date+"|Message|"+indexstr+".xml";\r
 498                 message["Identifier"]=m_fcpuniquename+"|"+requestid+"|"+parts[0]+"|"+parts[1]+"|"+parts[2]+"|"+message["URI"];\r
 499                 message["ReturnType"]="direct";\r
 500                 message["MaxSize"]="1000000";           // 1 MB\r
 501                 message["MaxRetries"]="-1";                     // use ULPR since we are fairly sure message exists since the author says it does\r
 502 \r
 503                 m_fcp->SendMessage(message);\r
 504 \r
 505                 m_requesting.push_back(requestid);\r
 506 \r
 507                 // update tries\r
 508                 st=m_db->Prepare("UPDATE tblMessageRequests SET Tries=Tries+1 WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 509                 st.Bind(0,identityid);\r
 510                 st.Bind(1,date);\r
 511                 st.Bind(2,indexstr);\r
 512                 st.Step();\r
 513 \r
 514                 m_log->debug("MessageRequester::StartRequest requesting "+message["Identifier"]);\r
 515         }\r
 516         \r
 517         m_ids[requestid]=true;\r
 518 \r
 519 }\r