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::HandleAllData(FCPMessage &message)\r
  23 {       \r
  24         SQLite3DB::Statement st;\r
  25         SQLite3DB::Statement trustst;\r
  26         std::vector<std::string> idparts;\r
  27         long datalength;\r
  28         std::vector<char> data;\r
  29         MessageListXML xml;\r
  30         long identityid;\r
  31         long index;\r
  32 \r
  33         StringFunctions::Split(message["Identifier"],"|",idparts);\r
  34         StringFunctions::Convert(message["DataLength"],datalength);\r
  35         StringFunctions::Convert(idparts[1],identityid);\r
  36         StringFunctions::Convert(idparts[2],index);\r
  37 \r
  38         // wait for all data to be received from connection\r
  39         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
  40         {\r
  41                 m_fcp->Update(1);\r
  42         }\r
  43 \r
  44         // if we got disconnected- return immediately\r
  45         if(m_fcp->Connected()==false)\r
  46         {\r
  47                 return false;\r
  48         }\r
  49 \r
  50         // receive the file\r
  51         data.resize(datalength);\r
  52         m_fcp->ReceiveRaw(&data[0],datalength);\r
  53 \r
  54         // parse file into xml and update the database\r
  55         if(xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
  56         {\r
  57 \r
  58                 SQLite3DB::Statement st=m_db->Prepare("SELECT IdentityID FROM tblMessageRequests WHERE IdentityID=? AND Day=? AND RequestIndex=?;");\r
  59                 SQLite3DB::Statement spk=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey=?;");\r
  60                 SQLite3DB::Statement mst=m_db->Prepare("INSERT INTO tblMessageRequests(IdentityID,Day,RequestIndex,FromMessageList) VALUES(?,?,?,'true');");\r
  61                 for(long i=0; i<xml.MessageCount(); i++)\r
  62                 {\r
  63                         st.Bind(0,identityid);\r
  64                         st.Bind(1,xml.GetDate(i));\r
  65                         st.Bind(2,xml.GetIndex(i));\r
  66                         st.Step();\r
  67                         if(st.RowReturned()==false)\r
  68                         {\r
  69                                 mst.Bind(0,identityid);\r
  70                                 mst.Bind(1,xml.GetDate(i));\r
  71                                 mst.Bind(2,xml.GetIndex(i));\r
  72                                 mst.Step();\r
  73                                 mst.Reset();\r
  74                         }\r
  75                         st.Reset();\r
  76                 }\r
  77 \r
  78                 // insert external message indexes\r
  79                 for(long i=0; i<xml.ExternalMessageCount(); i++)\r
  80                 {\r
  81                         if(xml.GetExternalType(i)=="Keyed")\r
  82                         {\r
  83                                 spk.Bind(0,xml.GetExternalIdentity(i));\r
  84                                 spk.Step();\r
  85                                 if(spk.RowReturned())\r
  86                                 {\r
  87                                         int thisidentityid=0;\r
  88                                         spk.ResultInt(0,thisidentityid);\r
  89                                         mst.Bind(0,thisidentityid);\r
  90                                         mst.Bind(1,xml.GetExternalDate(i));\r
  91                                         mst.Bind(2,xml.GetExternalIndex(i));\r
  92                                         mst.Step();\r
  93                                         mst.Reset();\r
  94                                 }\r
  95                                 spk.Reset();\r
  96                         }\r
  97                 }\r
  98 \r
  99                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
 100                 st.Bind(0,identityid);\r
 101                 st.Bind(1,idparts[4]);\r
 102                 st.Bind(2,index);\r
 103                 st.Step();\r
 104                 st.Finalize();\r
 105 \r
 106                 m_log->debug("MessageListRequester::HandleAllData parsed MessageList XML file : "+message["Identifier"]);\r
 107         }\r
 108         else\r
 109         {\r
 110                 // bad data - mark index\r
 111                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 112                 st.Bind(0,identityid);\r
 113                 st.Bind(1,idparts[4]);\r
 114                 st.Bind(2,index);\r
 115                 st.Step();\r
 116                 st.Finalize();\r
 117 \r
 118                 m_log->error("MessageListRequester::HandleAllData error parsing MessageList XML file : "+message["Identifier"]);\r
 119         }\r
 120 \r
 121         // remove this identityid from request list\r
 122         RemoveFromRequestList(identityid);\r
 123 \r
 124         return true;\r
 125 \r
 126 }\r
 127 \r
 128 const bool MessageListRequester::HandleGetFailed(FCPMessage &message)\r
 129 {\r
 130         SQLite3DB::Statement st;\r
 131         std::vector<std::string> idparts;\r
 132         long identityid;\r
 133         long index;\r
 134 \r
 135         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 136         StringFunctions::Convert(idparts[1],identityid);\r
 137         StringFunctions::Convert(idparts[2],index);     \r
 138 \r
 139         // code 27 - permanent redirect\r
 140         if(message["Code"]=="27")\r
 141         {\r
 142                 StartRedirectRequest(message);\r
 143                 return true;\r
 144         }\r
 145 \r
 146         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 147         if(message["Fatal"]=="true")\r
 148         {\r
 149                 st=m_db->Prepare("INSERT INTO tblMessageListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 150                 st.Bind(0,identityid);\r
 151                 st.Bind(1,idparts[4]);\r
 152                 st.Bind(2,index);\r
 153                 st.Step();\r
 154                 st.Finalize();\r
 155 \r
 156                 m_log->error("MessageListRequester::HandleGetFailed fatal error code="+message["Code"]+" requesting "+message["Identifier"]);\r
 157         }\r
 158 \r
 159         // remove this identityid from request list\r
 160         RemoveFromRequestList(identityid);\r
 161 \r
 162         return true;\r
 163 }\r
 164 \r
 165 void MessageListRequester::Initialize()\r
 166 {\r
 167         m_fcpuniquename="MessageListRequester";\r
 168         std::string tempval;\r
 169         Option::Instance()->Get("MaxMessageListRequests",tempval);\r
 170         StringFunctions::Convert(tempval,m_maxrequests);\r
 171         if(m_maxrequests<1)\r
 172         {\r
 173                 m_maxrequests=1;\r
 174                 m_log->error("Option MaxMessageListRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 175         }\r
 176         if(m_maxrequests>100)\r
 177         {\r
 178                 m_log->warning("Option MaxMessageListRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 179         }\r
 180 \r
 181         Option::Instance()->Get("LocalTrustOverridesPeerTrust",tempval);\r
 182         if(tempval=="true")\r
 183         {\r
 184                 m_localtrustoverrides=true;\r
 185         }\r
 186         else\r
 187         {\r
 188                 m_localtrustoverrides=false;\r
 189         }\r
 190 \r
 191 }\r
 192 \r
 193 void MessageListRequester::PopulateIDList()\r
 194 {\r
 195         Poco::DateTime date;\r
 196         int id;\r
 197 \r
 198         SQLite3DB::Statement st;\r
 199 \r
 200         // 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
 201         if(m_localtrustoverrides==false)\r
 202         {\r
 203                 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
 204         }\r
 205         else\r
 206         {\r
 207                 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
 208         }\r
 209         st.Step();\r
 210 \r
 211         m_ids.clear();\r
 212 \r
 213         while(st.RowReturned())\r
 214         {\r
 215                 st.ResultInt(0,id);\r
 216                 m_ids[id]=false;\r
 217                 st.Step();\r
 218         }\r
 219 }\r
 220 \r
 221 void MessageListRequester::StartRedirectRequest(FCPMessage &message)\r
 222 {\r
 223         std::vector<std::string> parts;\r
 224         std::string indexstr="";\r
 225         std::string identityidstr="";\r
 226         std::string datestr="";\r
 227         FCPMessage newmessage;\r
 228 \r
 229         // get the new edition #\r
 230         StringFunctions::Split(message["RedirectURI"],"/",parts);\r
 231         //edition # is 2nd to last part\r
 232         if(parts.size()>2)\r
 233         {\r
 234                 indexstr=parts[parts.size()-2];\r
 235         }\r
 236 \r
 237         // get identityid\r
 238         parts.clear();\r
 239         StringFunctions::Split(message["Identifier"],"|",parts);\r
 240         if(parts.size()>1)\r
 241         {\r
 242                 identityidstr=parts[1];\r
 243         }\r
 244         if(parts.size()>4)\r
 245         {\r
 246                 datestr=parts[4];\r
 247         }\r
 248 \r
 249         newmessage.SetName("ClientGet");\r
 250         newmessage["URI"]=StringFunctions::UriDecode(message["RedirectURI"]);\r
 251         newmessage["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|_|"+datestr+"|"+newmessage["URI"];\r
 252         newmessage["ReturnType"]="direct";\r
 253         newmessage["MaxSize"]="1000000";\r
 254 \r
 255         m_fcp->SendMessage(newmessage);\r
 256 \r
 257 }\r
 258 \r
 259 void MessageListRequester::StartRequest(const long &id)\r
 260 {\r
 261         Poco::DateTime now;\r
 262         FCPMessage message;\r
 263         std::string publickey;\r
 264         int index=0;\r
 265         std::string indexstr;\r
 266         std::string identityidstr;\r
 267 \r
 268         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 269         st.Bind(0,id);\r
 270         st.Step();\r
 271 \r
 272         if(st.RowReturned())\r
 273         {\r
 274                 st.ResultText(0,publickey);\r
 275 \r
 276                 now=Poco::Timestamp();\r
 277 \r
 278                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblMessageListRequests WHERE Day=? AND IdentityID=?;");\r
 279                 st2.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d"));\r
 280                 st2.Bind(1,id);\r
 281                 st2.Step();\r
 282 \r
 283                 index=0;\r
 284                 if(st2.RowReturned())\r
 285                 {\r
 286                         if(st2.ResultNull(0)==false)\r
 287                         {\r
 288                                 st2.ResultInt(0,index);\r
 289                                 // don't increment index here - the node will let us know if there is a new edition\r
 290                                 // 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
 291                                 index++;\r
 292                         }\r
 293                 }\r
 294                 st2.Finalize();\r
 295 \r
 296                 StringFunctions::Convert(index,indexstr);\r
 297                 StringFunctions::Convert(id,identityidstr);\r
 298 \r
 299                 message.SetName("ClientGet");\r
 300                 message["URI"]="USK"+publickey.substr(3)+m_messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y.%m.%d")+"|MessageList/"+indexstr+"/MessageList.xml";\r
 301                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|_|"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"|"+message["URI"];\r
 302                 message["ReturnType"]="direct";\r
 303                 message["MaxSize"]="1000000";\r
 304 \r
 305                 m_fcp->SendMessage(message);\r
 306 \r
 307                 m_requesting.push_back(id);\r
 308         }\r
 309         st.Finalize();\r
 310 \r
 311         m_ids[id]=true;\r
 312 }\r