src/freenet/identityrequester.cpp

   1 #include "../../include/freenet/identityrequester.h"\r
   2 #include "../../include/freenet/identityxml.h"\r
   3 #include "../../include/stringfunctions.h"\r
   4 #include "../../include/option.h"\r
   5 #include "../../include/datetime.h"\r
   6 \r
   7 #ifdef XMEM\r
   8         #include <xmem.h>\r
   9 #endif\r
  10 \r
  11 IdentityRequester::IdentityRequester()\r
  12 {\r
  13         Initialize();\r
  14 }\r
  15 \r
  16 IdentityRequester::IdentityRequester(FCPv2 *fcp):IIndexRequester<long>(fcp)\r
  17 {\r
  18         Initialize();\r
  19 }\r
  20 \r
  21 const bool IdentityRequester::HandleAllData(FCPMessage &message)\r
  22 {\r
  23         DateTime now;\r
  24         SQLite3DB::Statement st;\r
  25         std::vector<std::string> idparts;\r
  26         long datalength;\r
  27         std::vector<char> data;\r
  28         IdentityXML xml;\r
  29         long identityid;\r
  30         long index;\r
  31         std::string name="";\r
  32 \r
  33         now.SetToGMTime();\r
  34         StringFunctions::Split(message["Identifier"],"|",idparts);\r
  35         StringFunctions::Convert(message["DataLength"],datalength);\r
  36         StringFunctions::Convert(idparts[1],identityid);\r
  37         StringFunctions::Convert(idparts[2],index);\r
  38 \r
  39         // wait for all data to be received from connection\r
  40         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
  41         {\r
  42                 m_fcp->Update(1);\r
  43         }\r
  44 \r
  45         // if we got disconnected- return immediately\r
  46         if(m_fcp->Connected()==false)\r
  47         {\r
  48                 return false;\r
  49         }\r
  50 \r
  51         // receive the file\r
  52         data.resize(datalength);\r
  53         m_fcp->ReceiveRaw(&data[0],datalength);\r
  54 \r
  55         // parse file into xml and update the database\r
  56         if(xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
  57         {\r
  58 \r
  59                 st=m_db->Prepare("UPDATE tblIdentity SET Name=?, SingleUse=?, LastSeen=?, PublishTrustList=?, PublishBoardList=? WHERE IdentityID=?");\r
  60                 name=xml.GetName();\r
  61                 if(name.size()>40)\r
  62                 {\r
  63                         name.erase(40);\r
  64                 }\r
  65                 st.Bind(0,name);\r
  66                 if(xml.GetSingleUse()==true)\r
  67                 {\r
  68                         st.Bind(1,"true");\r
  69                 }\r
  70                 else\r
  71                 {\r
  72                         st.Bind(1,"false");\r
  73                 }\r
  74                 st.Bind(2,now.Format("%Y-%m-%d %H:%M:%S"));\r
  75                 if(xml.GetPublishTrustList()==true)\r
  76                 {\r
  77                         st.Bind(3,"true");\r
  78                 }\r
  79                 else\r
  80                 {\r
  81                         st.Bind(3,"false");\r
  82                 }\r
  83                 if(xml.GetPublishBoardList()==true)\r
  84                 {\r
  85                         st.Bind(4,"true");\r
  86                 }\r
  87                 else\r
  88                 {\r
  89                         st.Bind(4,"false");\r
  90                 }\r
  91                 st.Bind(5,identityid);\r
  92                 st.Step();\r
  93                 st.Finalize();\r
  94 \r
  95                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
  96                 st.Bind(0,identityid);\r
  97                 st.Bind(1,idparts[4]);\r
  98                 st.Bind(2,index);\r
  99                 st.Step();\r
 100                 st.Finalize();\r
 101 \r
 102                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"IdentityRequester::HandleAllData parsed Identity XML file : "+message["Identifier"]);\r
 103         }\r
 104         else\r
 105         {\r
 106                 // bad data - mark index\r
 107                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 108                 st.Bind(0,identityid);\r
 109                 st.Bind(1,idparts[4]);\r
 110                 st.Bind(2,index);\r
 111                 st.Step();\r
 112                 st.Finalize();\r
 113 \r
 114                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"IdentityRequester::HandleAllData error parsing Identity XML file : "+message["Identifier"]);\r
 115         }\r
 116 \r
 117         // remove this identityid from request list\r
 118         RemoveFromRequestList(identityid);\r
 119 \r
 120         return true;\r
 121 \r
 122 }\r
 123 \r
 124 const bool IdentityRequester::HandleGetFailed(FCPMessage &message)\r
 125 {\r
 126         DateTime now;\r
 127         SQLite3DB::Statement st;\r
 128         std::vector<std::string> idparts;\r
 129         long identityid;\r
 130         long index;\r
 131 \r
 132         now.SetToGMTime();\r
 133         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 134         StringFunctions::Convert(idparts[1],identityid);\r
 135         StringFunctions::Convert(idparts[2],index);     \r
 136 \r
 137         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 138         if(message["Fatal"]=="true")\r
 139         {\r
 140                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 141                 st.Bind(0,identityid);\r
 142                 st.Bind(1,idparts[4]);\r
 143                 st.Bind(2,index);\r
 144                 st.Step();\r
 145                 st.Finalize();\r
 146 \r
 147                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"IdentityRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 148         }\r
 149 \r
 150         // remove this identityid from request list\r
 151         RemoveFromRequestList(identityid);\r
 152 \r
 153         return true;\r
 154 \r
 155 }\r
 156 \r
 157 void IdentityRequester::Initialize()\r
 158 {\r
 159         std::string tempval="";\r
 160         m_fcpuniquename="IdentityRequester";\r
 161         Option::Instance()->Get("MaxIdentityRequests",tempval);\r
 162         StringFunctions::Convert(tempval,m_maxrequests);\r
 163         if(m_maxrequests<1)\r
 164         {\r
 165                 m_maxrequests=1;\r
 166                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxIdentityRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 167         }\r
 168         if(m_maxrequests>100)\r
 169         {\r
 170                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxIdentityRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 171         }\r
 172 }\r
 173 \r
 174 void IdentityRequester::PopulateIDList()\r
 175 {\r
 176         DateTime date;\r
 177         int id;\r
 178 \r
 179         date.SetToGMTime();\r
 180         date.SetHour(0);\r
 181         date.SetMinute(0);\r
 182         date.SetSecond(0);\r
 183 \r
 184         // select identities we want to query (haven't seen yet today) - sort by their trust level (descending) with secondary sort on how long ago we saw them (ascending)\r
 185         SQLite3DB::Statement st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey IS NOT NULL AND PublicKey <> '' AND (LastSeen IS NULL OR LastSeen<'"+date.Format("%Y-%m-%d %H:%M:%S")+"') ORDER BY LocalMessageTrust+LocalTrustListTrust DESC, LastSeen;");\r
 186         st.Step();\r
 187 \r
 188         m_ids.clear();\r
 189 \r
 190         while(st.RowReturned())\r
 191         {\r
 192                 st.ResultInt(0,id);\r
 193                 m_ids[id]=false;\r
 194                 st.Step();\r
 195         }\r
 196 }\r
 197 \r
 198 void IdentityRequester::StartRequest(const long &identityid)\r
 199 {\r
 200         DateTime now;\r
 201         FCPMessage message;\r
 202         std::string publickey;\r
 203         int index;\r
 204         std::string indexstr;\r
 205         std::string identityidstr;\r
 206 \r
 207         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 208         st.Bind(0,identityid);\r
 209         st.Step();\r
 210 \r
 211         if(st.RowReturned())\r
 212         {\r
 213                 st.ResultText(0,publickey);\r
 214 \r
 215                 now.SetToGMTime();\r
 216 \r
 217                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblIdentityRequests WHERE Day=? AND IdentityID=?;");\r
 218                 st2.Bind(0,now.Format("%Y-%m-%d"));\r
 219                 st2.Bind(1,identityid);\r
 220                 st2.Step();\r
 221 \r
 222                 index=0;\r
 223                 if(st2.RowReturned())\r
 224                 {\r
 225                         if(st2.ResultNull(0)==false)\r
 226                         {\r
 227                                 st2.ResultInt(0,index);\r
 228                                 index++;\r
 229                         }\r
 230                 }\r
 231                 st2.Finalize();\r
 232 \r
 233                 StringFunctions::Convert(index,indexstr);\r
 234                 StringFunctions::Convert(identityid,identityidstr);\r
 235 \r
 236                 message.SetName("ClientGet");\r
 237                 message["URI"]=publickey+m_messagebase+"|"+now.Format("%Y-%m-%d")+"|Identity|"+indexstr+".xml";\r
 238                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|"+message["URI"];\r
 239                 message["ReturnType"]="direct";\r
 240                 message["MaxSize"]="10000";                     // 10 KB\r
 241 \r
 242                 m_fcp->SendMessage(message);\r
 243 \r
 244                 m_requesting.push_back(identityid);\r
 245         }\r
 246         st.Finalize();\r
 247 \r
 248         m_ids[identityid]=true;\r
 249 \r
 250 }\r