src/freenet/messagelistrequester.cpp

   1 #include "../../include/freenet/messagelistrequester.h"\r
   2 #include "../../include/freenet/messagelistxml.h"\r
   3 \r
   4 #include <Poco/DateTime.h>\r
   5 #include <Poco/DateTimeFormatter.h>\r
   6 #include <Poco/DateTimeParser.h>\r
   7 #include <Poco/Timestamp.h>\r
   8 \r
   9 #ifdef XMEM\r
  10         #include <xmem.h>\r
  11 #endif\r
  12 \r
  13 MessageListRequester::MessageListRequester()\r
  14 {\r
  15         Initialize();\r
  16 }\r
  17 \r
  18 MessageListRequester::MessageListRequester(FCPv2 *fcp):IIndexRequester<long>(fcp)\r
  19 {\r
  20         Initialize();\r
  21 }\r
  22 \r
  23 const bool MessageListRequester::CheckDateNotFuture(const std::string &datestr) const\r
  24 {\r
  25         std::vector<std::string> dateparts;\r
  26         int year=0;\r
  27         int month=0;\r
  28         int day=0;\r
  29         Poco::DateTime today;\r
  30 \r
  31         StringFunctions::Split(datestr,"-",dateparts);\r
  32         if(dateparts.size()==3)\r
  33         {\r
  34                 StringFunctions::Convert(dateparts[0],year);\r
  35                 StringFunctions::Convert(dateparts[1],month);\r
  36                 StringFunctions::Convert(dateparts[2],day);\r
  37                 if(today.year()>year || (today.year()==year && today.month()>month) || (today.year()==year && today.month()==month && today.day()>=day))\r
  38                 {\r
  39                         return true;\r
  40                 }\r
  41                 else\r
  42                 {\r
  43                         return false;\r
  44                 }\r
  45         }\r
  46         else\r
  47         {\r
  48                 return false;\r
  49         }\r
  50 \r
  51 }\r
  52 \r
  53 const bool MessageListRequester::CheckDateWithinMaxDays(const std::string &datestr) const\r
  54 {\r
  55         Poco::DateTime checkdate;\r
  56         Poco::DateTime date;\r
  57         int tzdiff=0;\r
  58         if(Poco::DateTimeParser::tryParse(datestr,date,tzdiff))\r
  59         {\r
  60                 checkdate-=Poco::Timespan(m_messagedownloadmaxdaysbackward,0,0,0,0);\r
  61                 if(checkdate<=date)\r
  62                 {\r
  63                         return true;\r
  64                 }\r
  65                 else\r
  66                 {\r
  67                         return false;\r
  68                 }\r
  69         }\r
  70         else\r
  71         {\r
  72                 return false;\r
  73         }\r
  74 }\r
  75 \r
  76 void MessageListRequester::GetBoardList(std::map<std::string,bool> &boards)\r
  77 {\r
  78         SQLite3DB::Statement st=m_db->Prepare("SELECT BoardName, SaveReceivedMessages FROM tblBoard;");\r
  79         st.Step();\r
  80         while(st.RowReturned())\r
  81         {\r
  82                 std::string boardname="";\r
  83                 std::string tempval="";\r
  84                 st.ResultText(0,boardname);\r
  85                 st.ResultText(1,tempval);\r
  86 \r
  87                 if(tempval=="true")\r
  88                 {\r
  89                         boards[boardname]=true;\r
  90                 }\r
  91                 else\r
  92                 {\r
  93                         boards[boardname]=false;\r
  94                 }\r
  95 \r
  96                 st.Step();\r
  97         }\r
  98 }\r
  99 \r
 100 const bool MessageListRequester::HandleAllData(FCPMessage &message)\r
 101 {       \r
 102         SQLite3DB::Statement st;\r
 103         SQLite3DB::Statement trustst;\r
 104         std::vector<std::string> idparts;\r
 105         long datalength;\r
 106         std::vector<char> data;\r
 107         MessageListXML xml;\r
 108         long identityid;\r
 109         long index;\r
 110         std::map<std::string,bool> boards;      // list of boards and if we will save messages for that board or not\r
 111         bool addmessage=false;\r
 112         std::string boardsstr="";\r
 113         std::string datestr="";\r
 114         std::vector<std::string> dateparts;\r
 115 \r
 116         GetBoardList(boards);\r
 117 \r
 118         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 119         StringFunctions::Convert(message["DataLength"],datalength);\r
 120         StringFunctions::Convert(idparts[1],identityid);\r
 121         StringFunctions::Convert(idparts[2],index);\r
 122 \r
 123         // wait for all data to be received from connection\r
 124         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
 125         {\r
 126                 m_fcp->Update(1);\r
 127         }\r
 128 \r
 129         // if we got disconnected- return immediately\r
 130         if(m_fcp->Connected()==false)\r
 131         {\r
 132                 return false;\r
 133         }\r
 134 \r
 135         // receive the file\r
 136         data.resize(datalength);\r
 137         if(data.size()>0)\r
 138         {\r
 139                 m_fcp->ReceiveRaw(&data[0],datalength);\r
 140         }\r
 141 \r
 142         // parse file into xml and update the database\r
 143         if(data.size()>0 && xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
 144         {\r
 145 \r
 146                 SQLite3DB::Statement st=m_db->Prepare("SELECT IdentityID FROM tblMessageRequests WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 147                 SQLite3DB::Statement spk=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey=?;");\r
 148                 SQLite3DB::Statement mst=m_db->Prepare("INSERT INTO tblMessageRequests(IdentityID,Day,RequestIndex,FromMessageList) VALUES(?,?,?,'true');");\r
 149                 for(long i=0; i<xml.MessageCount(); i++)\r
 150                 {\r
 151 \r
 152                         // go through each board the message was posted to and see if we are saving messages to that board\r
 153                         // if the board isn't found, see if we are saving messages to new boards\r
 154                         boardsstr="";\r
 155                         addmessage=false;\r
 156                         std::vector<std::string> messageboards=xml.GetBoards(i);\r
 157                         for(std::vector<std::string>::iterator j=messageboards.begin(); j!=messageboards.end(); j++)\r
 158                         {\r
 159                                 if(boards.find((*j))!=boards.end())\r
 160                                 {\r
 161                                         if(boards[(*j)]==true)\r
 162                                         {\r
 163                                                 addmessage=true;\r
 164                                         }\r
 165                                 }\r
 166                                 else if(m_savetonewboards==true)\r
 167                                 {\r
 168                                         addmessage=true;\r
 169                                 }\r
 170                                 if(j!=messageboards.begin())\r
 171                                 {\r
 172                                         boardsstr+=", ";\r
 173                                 }\r
 174                                 boardsstr+=(*j);\r
 175                         }\r
 176 \r
 177                         if(CheckDateNotFuture(xml.GetDate(i))==false)\r
 178                         {\r
 179                                 addmessage=false;\r
 180                                 m_log->error("MessageListRequester::HandleAllData date for message is in future! "+xml.GetDate(i));\r
 181                         }\r
 182 \r
 183                         if(addmessage==true && CheckDateWithinMaxDays(xml.GetDate(i))==false)\r
 184                         {\r
 185                                 addmessage=false;\r
 186                         }\r
 187 \r
 188                         if(addmessage==true)\r
 189                         {\r
 190                                 st.Bind(0,identityid);\r
 191                                 st.Bind(1,xml.GetDate(i));\r
 192                                 st.Bind(2,xml.GetIndex(i));\r
 193                                 st.Step();\r
 194                                 if(st.RowReturned()==false)\r
 195                                 {\r
 196                                         mst.Bind(0,identityid);\r
 197                                         mst.Bind(1,xml.GetDate(i));\r
 198                                         mst.Bind(2,xml.GetIndex(i));\r
 199                                         mst.Step();\r
 200                                         mst.Reset();\r
 201                                 }\r
 202                                 st.Reset();\r
 203                         }\r
 204                         else\r
 205                         {\r
 206                                 //m_log->trace("MessageListRequester::HandleAllData will not download message posted to "+boardsstr+" on "+xml.GetDate(i));\r
 207                         }\r
 208                 }\r
 209 \r
 210                 // insert external message indexes\r
 211                 for(long i=0; i<xml.ExternalMessageCount(); i++)\r
 212                 {\r
 213                         if(xml.GetExternalType(i)=="Keyed")\r
 214                         {\r
 215                                 // go through each board the message was posted to and see if we are saving messages to that board\r
 216                                 // if the board isn't found, see if we are saving messages to new boards\r
 217                                 boardsstr="";\r
 218                                 addmessage=false;\r
 219                                 std::vector<std::string> messageboards=xml.GetExternalBoards(i);\r
 220                                 for(std::vector<std::string>::iterator j=messageboards.begin(); j!=messageboards.end(); j++)\r
 221                                 {\r
 222                                         if(boards.find((*j))!=boards.end())\r
 223                                         {\r
 224                                                 if(boards[(*j)]==true)\r
 225                                                 {\r
 226                                                         addmessage=true;\r
 227                                                 }\r
 228                                         }\r
 229                                         else if(m_savetonewboards==true)\r
 230                                         {\r
 231                                                 addmessage=true;\r
 232                                         }\r
 233                                         if(j!=messageboards.begin())\r
 234                                         {\r
 235                                                 boardsstr+=", ";\r
 236                                         }\r
 237                                         boardsstr+=(*j);\r
 238                                 }\r
 239 \r
 240                                 if(CheckDateNotFuture(xml.GetExternalDate(i))==false)\r
 241                                 {\r
 242                                         addmessage=false;\r
 243                                         m_log->error("MessageListRequester::HandleAllData date for external message is in future! "+xml.GetExternalDate(i));\r
 244                                 }\r
 245 \r
 246                                 if(addmessage==true && CheckDateWithinMaxDays(xml.GetExternalDate(i))==false)\r
 247                                 {\r
 248                                         addmessage=false;\r
 249                                 }\r
 250 \r
 251                                 if(addmessage==true)\r
 252                                 {\r
 253                                         spk.Bind(0,xml.GetExternalIdentity(i));\r
 254                                         spk.Step();\r
 255                                         if(spk.RowReturned())\r
 256                                         {\r
 257                                                 int thisidentityid=0;\r
 258                                                 spk.ResultInt(0,thisidentityid);\r
 259                                                 mst.Bind(0,thisidentityid);\r
 260                                                 mst.Bind(1,xml.GetExternalDate(i));\r
 261                                                 mst.Bind(2,xml.GetExternalIndex(i));\r
 262                                                 mst.Step();\r
 263                                                 mst.Reset();\r
 264                                         }\r
 265                                         spk.Reset();\r
 266                                 }\r
 267                                 else\r
 268                                 {\r
 269                                         //m_log->trace("MessageListRequester::HandleAllData will not download external message posted to "+boardsstr+" from " + xml.GetExternalIdentity(i) + " on " + xml.GetExternalDate(i));\r
 270                                 }\r
 271                         }\r
 272                 }\r
 273 \r
 274                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
 275                 st.Bind(0,identityid);\r
 276                 st.Bind(1,idparts[4]);\r
 277                 st.Bind(2,index);\r
 278                 st.Step();\r
 279                 st.Finalize();\r
 280 \r
 281                 m_log->debug("MessageListRequester::HandleAllData parsed MessageList XML file : "+message["Identifier"]);\r
 282         }\r
 283         else\r
 284         {\r
 285                 // bad data - mark index\r
 286                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 287                 st.Bind(0,identityid);\r
 288                 st.Bind(1,idparts[4]);\r
 289                 st.Bind(2,index);\r
 290                 st.Step();\r
 291                 st.Finalize();\r
 292 \r
 293                 m_log->error("MessageListRequester::HandleAllData error parsing MessageList XML file : "+message["Identifier"]);\r
 294         }\r
 295 \r
 296         // remove this identityid from request list\r
 297         RemoveFromRequestList(identityid);\r
 298 \r
 299         return true;\r
 300 \r
 301 }\r
 302 \r
 303 const bool MessageListRequester::HandleGetFailed(FCPMessage &message)\r
 304 {\r
 305         SQLite3DB::Statement st;\r
 306         std::vector<std::string> idparts;\r
 307         long identityid;\r
 308         long index;\r
 309 \r
 310         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 311         StringFunctions::Convert(idparts[1],identityid);\r
 312         StringFunctions::Convert(idparts[2],index);     \r
 313 \r
 314         // code 27 - permanent redirect\r
 315         if(message["Code"]=="27")\r
 316         {\r
 317                 StartRedirectRequest(message);\r
 318                 return true;\r
 319         }\r
 320 \r
 321         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 322         if(message["Fatal"]=="true")\r
 323         {\r
 324                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 325                 st.Bind(0,identityid);\r
 326                 st.Bind(1,idparts[4]);\r
 327                 st.Bind(2,index);\r
 328                 st.Step();\r
 329                 st.Finalize();\r
 330 \r
 331                 m_log->error("MessageListRequester::HandleGetFailed fatal error code="+message["Code"]+" requesting "+message["Identifier"]);\r
 332         }\r
 333 \r
 334         // remove this identityid from request list\r
 335         RemoveFromRequestList(identityid);\r
 336 \r
 337         return true;\r
 338 }\r
 339 \r
 340 void MessageListRequester::Initialize()\r
 341 {\r
 342         m_fcpuniquename="MessageListRequester";\r
 343         std::string tempval="";\r
 344 \r
 345         m_maxrequests=0;\r
 346         Option::Instance()->GetInt("MaxMessageListRequests",m_maxrequests);\r
 347         if(m_maxrequests<1)\r
 348         {\r
 349                 m_maxrequests=1;\r
 350                 m_log->error("Option MaxMessageListRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 351         }\r
 352         if(m_maxrequests>100)\r
 353         {\r
 354                 m_log->warning("Option MaxMessageListRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 355         }\r
 356 \r
 357         tempval="";\r
 358         Option::Instance()->Get("LocalTrustOverridesPeerTrust",tempval);\r
 359         if(tempval=="true")\r
 360         {\r
 361                 m_localtrustoverrides=true;\r
 362         }\r
 363         else\r
 364         {\r
 365                 m_localtrustoverrides=false;\r
 366         }\r
 367 \r
 368         tempval="";\r
 369         Option::Instance()->Get("SaveMessagesFromNewBoards",tempval);\r
 370         if(tempval=="true")\r
 371         {\r
 372                 m_savetonewboards=true;\r
 373         }\r
 374         else\r
 375         {\r
 376                 m_savetonewboards=false;\r
 377         }\r
 378 \r
 379         m_messagedownloadmaxdaysbackward=5;\r
 380         tempval="5";\r
 381         Option::Instance()->Get("MessageDownloadMaxDaysBackward",tempval);\r
 382         StringFunctions::Convert(tempval,m_messagedownloadmaxdaysbackward);\r
 383 \r
 384 }\r
 385 \r
 386 void MessageListRequester::PopulateIDList()\r
 387 {\r
 388         Poco::DateTime date;\r
 389         int id;\r
 390 \r
 391         SQLite3DB::Statement st;\r
 392 \r
 393         // select identities we want to query (we've seen them today) - sort by their trust level (descending) with secondary sort on how long ago we saw them (ascending)\r
 394         if(m_localtrustoverrides==false)\r
 395         {\r
 396                 st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey IS NOT NULL AND PublicKey <> '' AND LastSeen>='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"' AND (LocalMessageTrust IS NULL OR LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust')) AND (PeerMessageTrust IS NULL OR PeerMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerMessageTrust')) ORDER BY LocalMessageTrust+LocalTrustListTrust DESC, LastSeen;");\r
 397         }\r
 398         else\r
 399         {\r
 400                 st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey IS NOT NULL AND PublicKey <> '' AND LastSeen>='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"' AND (LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust') OR (LocalMessageTrust IS NULL AND (PeerMessageTrust IS NULL OR PeerMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerMessageTrust')))) ORDER BY LocalMessageTrust+LocalTrustListTrust DESC, LastSeen;");\r
 401         }\r
 402         st.Step();\r
 403 \r
 404         m_ids.clear();\r
 405 \r
 406         while(st.RowReturned())\r
 407         {\r
 408                 st.ResultInt(0,id);\r
 409                 m_ids[id]=false;\r
 410                 st.Step();\r
 411         }\r
 412 }\r
 413 \r
 414 void MessageListRequester::StartRedirectRequest(FCPMessage &message)\r
 415 {\r
 416         std::vector<std::string> parts;\r
 417         std::string indexstr="";\r
 418         std::string identityidstr="";\r
 419         std::string datestr="";\r
 420         FCPMessage newmessage;\r
 421 \r
 422         // get the new edition #\r
 423         StringFunctions::Split(message["RedirectURI"],"/",parts);\r
 424         //edition # is 2nd to last part\r
 425         if(parts.size()>2)\r
 426         {\r
 427                 indexstr=parts[parts.size()-2];\r
 428         }\r
 429 \r
 430         // get identityid\r
 431         parts.clear();\r
 432         StringFunctions::Split(message["Identifier"],"|",parts);\r
 433         if(parts.size()>1)\r
 434         {\r
 435                 identityidstr=parts[1];\r
 436         }\r
 437         if(parts.size()>4)\r
 438         {\r
 439                 datestr=parts[4];\r
 440         }\r
 441 \r
 442         newmessage.SetName("ClientGet");\r
 443         newmessage["URI"]=StringFunctions::UriDecode(message["RedirectURI"]);\r
 444         newmessage["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|_|"+datestr+"|"+newmessage["URI"];\r
 445         newmessage["ReturnType"]="direct";\r
 446         newmessage["MaxSize"]="1000000";\r
 447 \r
 448         m_fcp->SendMessage(newmessage);\r
 449 \r
 450 }\r
 451 \r
 452 void MessageListRequester::StartRequest(const long &id)\r
 453 {\r
 454         Poco::DateTime now;\r
 455         FCPMessage message;\r
 456         std::string publickey;\r
 457         int index=0;\r
 458         std::string indexstr;\r
 459         std::string identityidstr;\r
 460 \r
 461         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 462         st.Bind(0,id);\r
 463         st.Step();\r
 464 \r
 465         if(st.RowReturned())\r
 466         {\r
 467                 st.ResultText(0,publickey);\r
 468 \r
 469                 now=Poco::Timestamp();\r
 470 \r
 471                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblMessageListRequests WHERE Day=? AND IdentityID=?;");\r
 472                 st2.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d"));\r
 473                 st2.Bind(1,id);\r
 474                 st2.Step();\r
 475 \r
 476                 index=0;\r
 477                 if(st2.RowReturned())\r
 478                 {\r
 479                         if(st2.ResultNull(0)==false)\r
 480                         {\r
 481                                 st2.ResultInt(0,index);\r
 482                                 // don't increment index here - the node will let us know if there is a new edition\r
 483                                 // 2008-05-31 - well actually the node isn't reliably retreiving the latest edition for USKs, so we DO need to increment the index\r
 484                                 index++;\r
 485                         }\r
 486                 }\r
 487                 st2.Finalize();\r
 488 \r
 489                 StringFunctions::Convert(index,indexstr);\r
 490                 StringFunctions::Convert(id,identityidstr);\r
 491 \r
 492                 message.SetName("ClientGet");\r
 493                 message["URI"]="USK"+publickey.substr(3)+m_messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y.%m.%d")+"|MessageList/"+indexstr+"/MessageList.xml";\r
 494                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|_|"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"|"+message["URI"];\r
 495                 message["ReturnType"]="direct";\r
 496                 message["MaxSize"]="1000000";\r
 497 \r
 498                 m_fcp->SendMessage(message);\r
 499 \r
 500                 m_requesting.push_back(id);\r
 501         }\r
 502         st.Finalize();\r
 503 \r
 504         m_ids[id]=true;\r
 505 }\r