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::Connection *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(FCPv2::Message &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         m_fcp->WaitForBytes(1000,datalength);\r
 125 \r
 126         // if we got disconnected- return immediately\r
 127         if(m_fcp->IsConnected()==false)\r
 128         {\r
 129                 return false;\r
 130         }\r
 131 \r
 132         // receive the file\r
 133         m_fcp->Receive(data,datalength);\r
 134 \r
 135         // parse file into xml and update the database\r
 136         if(data.size()>0 && xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
 137         {\r
 138 \r
 139                 SQLite3DB::Statement st=m_db->Prepare("SELECT IdentityID FROM tblMessageRequests WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
 140                 SQLite3DB::Statement spk=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey=?;");\r
 141                 SQLite3DB::Statement mst=m_db->Prepare("INSERT INTO tblMessageRequests(IdentityID,Day,RequestIndex,FromMessageList) VALUES(?,?,?,'true');");\r
 142                 for(long i=0; i<xml.MessageCount(); i++)\r
 143                 {\r
 144 \r
 145                         // go through each board the message was posted to and see if we are saving messages to that board\r
 146                         // if the board isn't found, see if we are saving messages to new boards\r
 147                         boardsstr="";\r
 148                         addmessage=false;\r
 149                         std::vector<std::string> messageboards=xml.GetBoards(i);\r
 150                         for(std::vector<std::string>::iterator j=messageboards.begin(); j!=messageboards.end(); j++)\r
 151                         {\r
 152                                 if(boards.find((*j))!=boards.end())\r
 153                                 {\r
 154                                         if(boards[(*j)]==true)\r
 155                                         {\r
 156                                                 addmessage=true;\r
 157                                         }\r
 158                                 }\r
 159                                 else if(m_savetonewboards==true)\r
 160                                 {\r
 161                                         addmessage=true;\r
 162                                 }\r
 163                                 if(j!=messageboards.begin())\r
 164                                 {\r
 165                                         boardsstr+=", ";\r
 166                                 }\r
 167                                 boardsstr+=(*j);\r
 168                         }\r
 169 \r
 170                         if(CheckDateNotFuture(xml.GetDate(i))==false)\r
 171                         {\r
 172                                 addmessage=false;\r
 173                                 m_log->error(m_fcpuniquename+"::HandleAllData date for message is in future! "+xml.GetDate(i));\r
 174                         }\r
 175 \r
 176                         if(addmessage==true && CheckDateWithinMaxDays(xml.GetDate(i))==false)\r
 177                         {\r
 178                                 addmessage=false;\r
 179                         }\r
 180 \r
 181                         if(addmessage==true)\r
 182                         {\r
 183                                 st.Bind(0,identityid);\r
 184                                 st.Bind(1,xml.GetDate(i));\r
 185                                 st.Bind(2,xml.GetIndex(i));\r
 186                                 st.Step();\r
 187                                 if(st.RowReturned()==false)\r
 188                                 {\r
 189                                         mst.Bind(0,identityid);\r
 190                                         mst.Bind(1,xml.GetDate(i));\r
 191                                         mst.Bind(2,xml.GetIndex(i));\r
 192                                         mst.Step();\r
 193                                         mst.Reset();\r
 194                                 }\r
 195                                 st.Reset();\r
 196                         }\r
 197                         else\r
 198                         {\r
 199                                 //m_log->trace("MessageListRequester::HandleAllData will not download message posted to "+boardsstr+" on "+xml.GetDate(i));\r
 200                         }\r
 201                 }\r
 202 \r
 203                 // insert external message indexes\r
 204                 for(long i=0; i<xml.ExternalMessageCount(); i++)\r
 205                 {\r
 206                         if(xml.GetExternalType(i)=="Keyed")\r
 207                         {\r
 208                                 // go through each board the message was posted to and see if we are saving messages to that board\r
 209                                 // if the board isn't found, see if we are saving messages to new boards\r
 210                                 boardsstr="";\r
 211                                 addmessage=false;\r
 212                                 std::vector<std::string> messageboards=xml.GetExternalBoards(i);\r
 213                                 for(std::vector<std::string>::iterator j=messageboards.begin(); j!=messageboards.end(); j++)\r
 214                                 {\r
 215                                         if(boards.find((*j))!=boards.end())\r
 216                                         {\r
 217                                                 if(boards[(*j)]==true)\r
 218                                                 {\r
 219                                                         addmessage=true;\r
 220                                                 }\r
 221                                         }\r
 222                                         else if(m_savetonewboards==true)\r
 223                                         {\r
 224                                                 addmessage=true;\r
 225                                         }\r
 226                                         if(j!=messageboards.begin())\r
 227                                         {\r
 228                                                 boardsstr+=", ";\r
 229                                         }\r
 230                                         boardsstr+=(*j);\r
 231                                 }\r
 232 \r
 233                                 if(CheckDateNotFuture(xml.GetExternalDate(i))==false)\r
 234                                 {\r
 235                                         addmessage=false;\r
 236                                         m_log->error(m_fcpuniquename+"::HandleAllData date for external message is in future! "+xml.GetExternalDate(i));\r
 237                                 }\r
 238 \r
 239                                 if(addmessage==true && CheckDateWithinMaxDays(xml.GetExternalDate(i))==false)\r
 240                                 {\r
 241                                         addmessage=false;\r
 242                                 }\r
 243 \r
 244                                 if(addmessage==true)\r
 245                                 {\r
 246                                         spk.Bind(0,xml.GetExternalIdentity(i));\r
 247                                         spk.Step();\r
 248                                         if(spk.RowReturned())\r
 249                                         {\r
 250                                                 int thisidentityid=0;\r
 251                                                 spk.ResultInt(0,thisidentityid);\r
 252                                                 mst.Bind(0,thisidentityid);\r
 253                                                 mst.Bind(1,xml.GetExternalDate(i));\r
 254                                                 mst.Bind(2,xml.GetExternalIndex(i));\r
 255                                                 mst.Step();\r
 256                                                 mst.Reset();\r
 257                                         }\r
 258                                         spk.Reset();\r
 259                                 }\r
 260                                 else\r
 261                                 {\r
 262                                         //m_log->trace("MessageListRequester::HandleAllData will not download external message posted to "+boardsstr+" from " + xml.GetExternalIdentity(i) + " on " + xml.GetExternalDate(i));\r
 263                                 }\r
 264                         }\r
 265                 }\r
 266 \r
 267                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
 268                 st.Bind(0,identityid);\r
 269                 st.Bind(1,idparts[4]);\r
 270                 st.Bind(2,index);\r
 271                 st.Step();\r
 272                 st.Finalize();\r
 273 \r
 274                 m_log->debug(m_fcpuniquename+"::HandleAllData parsed MessageList XML file : "+message["Identifier"]);\r
 275         }\r
 276         else\r
 277         {\r
 278                 // bad data - mark index\r
 279                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 280                 st.Bind(0,identityid);\r
 281                 st.Bind(1,idparts[4]);\r
 282                 st.Bind(2,index);\r
 283                 st.Step();\r
 284                 st.Finalize();\r
 285 \r
 286                 m_log->error(m_fcpuniquename+"::HandleAllData error parsing MessageList XML file : "+message["Identifier"]);\r
 287         }\r
 288 \r
 289         // remove this identityid from request list\r
 290         RemoveFromRequestList(identityid);\r
 291 \r
 292         return true;\r
 293 \r
 294 }\r
 295 \r
 296 const bool MessageListRequester::HandleGetFailed(FCPv2::Message &message)\r
 297 {\r
 298         SQLite3DB::Statement st;\r
 299         std::vector<std::string> idparts;\r
 300         long identityid;\r
 301         long index;\r
 302 \r
 303         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 304         StringFunctions::Convert(idparts[1],identityid);\r
 305         StringFunctions::Convert(idparts[2],index);     \r
 306 \r
 307         // code 27 - permanent redirect\r
 308         if(message["Code"]=="27")\r
 309         {\r
 310                 StartRedirectRequest(message);\r
 311                 return true;\r
 312         }\r
 313 \r
 314         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 315         if(message["Fatal"]=="true")\r
 316         {\r
 317                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 318                 st.Bind(0,identityid);\r
 319                 st.Bind(1,idparts[4]);\r
 320                 st.Bind(2,index);\r
 321                 st.Step();\r
 322                 st.Finalize();\r
 323 \r
 324                 m_log->error(m_fcpuniquename+"::HandleGetFailed fatal error code="+message["Code"]+" requesting "+message["Identifier"]);\r
 325         }\r
 326 \r
 327         // remove this identityid from request list\r
 328         RemoveFromRequestList(identityid);\r
 329 \r
 330         return true;\r
 331 }\r
 332 \r
 333 void MessageListRequester::Initialize()\r
 334 {\r
 335         m_fcpuniquename="ActiveMessageListRequester";\r
 336         std::string tempval="";\r
 337 \r
 338         m_maxrequests=0;\r
 339         Option::Instance()->GetInt("MaxMessageListRequests",m_maxrequests);\r
 340 \r
 341         // active identities get 1/2 of the max requests option + any remaining if not evenly divisible - inactive identities get 1/2\r
 342         m_maxrequests=(m_maxrequests/2)+(m_maxrequests%2);\r
 343 \r
 344         if(m_maxrequests<1)\r
 345         {\r
 346                 m_maxrequests=1;\r
 347                 m_log->error("Option MaxMessageListRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 348         }\r
 349         if(m_maxrequests>100)\r
 350         {\r
 351                 m_log->warning("Option MaxMessageListRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 352         }\r
 353 \r
 354         tempval="";\r
 355         Option::Instance()->Get("LocalTrustOverridesPeerTrust",tempval);\r
 356         if(tempval=="true")\r
 357         {\r
 358                 m_localtrustoverrides=true;\r
 359         }\r
 360         else\r
 361         {\r
 362                 m_localtrustoverrides=false;\r
 363         }\r
 364 \r
 365         tempval="";\r
 366         Option::Instance()->Get("SaveMessagesFromNewBoards",tempval);\r
 367         if(tempval=="true")\r
 368         {\r
 369                 m_savetonewboards=true;\r
 370         }\r
 371         else\r
 372         {\r
 373                 m_savetonewboards=false;\r
 374         }\r
 375 \r
 376         m_messagedownloadmaxdaysbackward=5;\r
 377         tempval="5";\r
 378         Option::Instance()->Get("MessageDownloadMaxDaysBackward",tempval);\r
 379         StringFunctions::Convert(tempval,m_messagedownloadmaxdaysbackward);\r
 380 \r
 381 }\r
 382 \r
 383 void MessageListRequester::PopulateIDList()\r
 384 {\r
 385         Poco::DateTime date;\r
 386         Poco::DateTime yesterday=date-Poco::Timespan(1,0,0,0,0);\r
 387         int id;\r
 388 \r
 389         SQLite3DB::Statement st;\r
 390 \r
 391         // 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
 392         if(m_localtrustoverrides==false)\r
 393         {\r
 394                 st=m_db->Prepare("SELECT tblIdentity.IdentityID FROM tblIdentity INNER JOIN vwIdentityStats ON tblIdentity.IdentityID=vwIdentityStats.IdentityID WHERE PublicKey IS NOT NULL AND PublicKey <> '' AND LastSeen>='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"' AND (vwIdentityStats.LastMessageDate>='"+Poco::DateTimeFormatter::format(yesterday,"%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
 395         }\r
 396         else\r
 397         {\r
 398                 st=m_db->Prepare("SELECT tblIdentity.IdentityID FROM tblIdentity INNER JOIN vwIdentityStats ON tblIdentity.IdentityID=vwIdentityStats.IdentityID WHERE PublicKey IS NOT NULL AND PublicKey <> '' AND LastSeen>='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"' AND (vwIdentityStats.LastMessageDate>='"+Poco::DateTimeFormatter::format(yesterday,"%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
 399         }\r
 400         st.Step();\r
 401 \r
 402         m_ids.clear();\r
 403 \r
 404         while(st.RowReturned())\r
 405         {\r
 406                 st.ResultInt(0,id);\r
 407                 m_ids[id]=false;\r
 408                 st.Step();\r
 409         }\r
 410 }\r
 411 \r
 412 void MessageListRequester::StartRedirectRequest(FCPv2::Message &message)\r
 413 {\r
 414         std::vector<std::string> parts;\r
 415         std::string indexstr="";\r
 416         std::string identityidstr="";\r
 417         std::string datestr="";\r
 418         FCPv2::Message newmessage;\r
 419 \r
 420         // get the new edition #\r
 421         StringFunctions::Split(message["RedirectURI"],"/",parts);\r
 422         //edition # is 2nd to last part\r
 423         if(parts.size()>2)\r
 424         {\r
 425                 indexstr=parts[parts.size()-2];\r
 426         }\r
 427 \r
 428         // get identityid\r
 429         parts.clear();\r
 430         StringFunctions::Split(message["Identifier"],"|",parts);\r
 431         if(parts.size()>1)\r
 432         {\r
 433                 identityidstr=parts[1];\r
 434         }\r
 435         if(parts.size()>4)\r
 436         {\r
 437                 datestr=parts[4];\r
 438         }\r
 439 \r
 440         newmessage.SetName("ClientGet");\r
 441         newmessage["URI"]=StringFunctions::UriDecode(message["RedirectURI"]);\r
 442         newmessage["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|_|"+datestr+"|"+newmessage["URI"];\r
 443         newmessage["ReturnType"]="direct";\r
 444         newmessage["MaxSize"]="1000000";\r
 445 \r
 446         m_fcp->Send(newmessage);\r
 447 \r
 448 }\r
 449 \r
 450 void MessageListRequester::StartRequest(const long &id)\r
 451 {\r
 452         Poco::DateTime now;\r
 453         FCPv2::Message message;\r
 454         std::string publickey;\r
 455         int index=0;\r
 456         std::string indexstr;\r
 457         std::string identityidstr;\r
 458 \r
 459         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 460         st.Bind(0,id);\r
 461         st.Step();\r
 462 \r
 463         if(st.RowReturned())\r
 464         {\r
 465                 st.ResultText(0,publickey);\r
 466 \r
 467                 now=Poco::Timestamp();\r
 468 \r
 469                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblMessageListRequests WHERE Day=? AND IdentityID=?;");\r
 470                 st2.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d"));\r
 471                 st2.Bind(1,id);\r
 472                 st2.Step();\r
 473 \r
 474                 index=0;\r
 475                 if(st2.RowReturned())\r
 476                 {\r
 477                         if(st2.ResultNull(0)==false)\r
 478                         {\r
 479                                 st2.ResultInt(0,index);\r
 480                                 // don't increment index here - the node will let us know if there is a new edition\r
 481                                 // 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
 482                                 index++;\r
 483                         }\r
 484                 }\r
 485                 st2.Finalize();\r
 486 \r
 487                 StringFunctions::Convert(index,indexstr);\r
 488                 StringFunctions::Convert(id,identityidstr);\r
 489 \r
 490                 message.SetName("ClientGet");\r
 491                 message["URI"]="USK"+publickey.substr(3)+m_messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y.%m.%d")+"|MessageList/"+indexstr+"/MessageList.xml";\r
 492                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|_|"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"|"+message["URI"];\r
 493                 message["ReturnType"]="direct";\r
 494                 message["MaxSize"]="1000000";\r
 495 \r
 496                 m_fcp->Send(message);\r
 497 \r
 498                 m_requesting.push_back(id);\r
 499         }\r
 500         st.Finalize();\r
 501 \r
 502         m_ids[id]=true;\r
 503 }\r