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