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=?, FreesiteEdition=? 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                 if(xml.GetFreesiteEdition()>=0)\r
  92                 {\r
  93                         st.Bind(5,xml.GetFreesiteEdition());\r
  94                 }\r
  95                 else\r
  96                 {\r
  97                         st.Bind(5);\r
  98                 }\r
  99                 st.Bind(6,identityid);\r
 100                 st.Step();\r
 101                 st.Finalize();\r
 102 \r
 103                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
 104                 st.Bind(0,identityid);\r
 105                 st.Bind(1,idparts[4]);\r
 106                 st.Bind(2,index);\r
 107                 st.Step();\r
 108                 st.Finalize();\r
 109 \r
 110                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"IdentityRequester::HandleAllData parsed Identity XML file : "+message["Identifier"]);\r
 111         }\r
 112         else\r
 113         {\r
 114                 // bad data - mark index\r
 115                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 116                 st.Bind(0,identityid);\r
 117                 st.Bind(1,idparts[4]);\r
 118                 st.Bind(2,index);\r
 119                 st.Step();\r
 120                 st.Finalize();\r
 121 \r
 122                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"IdentityRequester::HandleAllData error parsing Identity XML file : "+message["Identifier"]);\r
 123         }\r
 124 \r
 125         // remove this identityid from request list\r
 126         RemoveFromRequestList(identityid);\r
 127 \r
 128         return true;\r
 129 \r
 130 }\r
 131 \r
 132 const bool IdentityRequester::HandleGetFailed(FCPMessage &message)\r
 133 {\r
 134         DateTime now;\r
 135         SQLite3DB::Statement st;\r
 136         std::vector<std::string> idparts;\r
 137         long identityid;\r
 138         long index;\r
 139 \r
 140         now.SetToGMTime();\r
 141         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 142         StringFunctions::Convert(idparts[1],identityid);\r
 143         StringFunctions::Convert(idparts[2],index);     \r
 144 \r
 145         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 146         if(message["Fatal"]=="true")\r
 147         {\r
 148                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 149                 st.Bind(0,identityid);\r
 150                 st.Bind(1,idparts[4]);\r
 151                 st.Bind(2,index);\r
 152                 st.Step();\r
 153                 st.Finalize();\r
 154 \r
 155                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"IdentityRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 156         }\r
 157 \r
 158         // remove this identityid from request list\r
 159         RemoveFromRequestList(identityid);\r
 160 \r
 161         return true;\r
 162 \r
 163 }\r
 164 \r
 165 void IdentityRequester::Initialize()\r
 166 {\r
 167         std::string tempval="";\r
 168         m_fcpuniquename="IdentityRequester";\r
 169         Option::Instance()->Get("MaxIdentityRequests",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->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxIdentityRequests 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->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxIdentityRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 179         }\r
 180 }\r
 181 \r
 182 void IdentityRequester::PopulateIDList()\r
 183 {\r
 184         DateTime date;\r
 185         int id;\r
 186 \r
 187         date.SetToGMTime();\r
 188         date.SetHour(0);\r
 189         date.SetMinute(0);\r
 190         date.SetSecond(0);\r
 191 \r
 192         // 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
 193         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
 194         st.Step();\r
 195 \r
 196         m_ids.clear();\r
 197 \r
 198         while(st.RowReturned())\r
 199         {\r
 200                 st.ResultInt(0,id);\r
 201                 m_ids[id]=false;\r
 202                 st.Step();\r
 203         }\r
 204 }\r
 205 \r
 206 void IdentityRequester::StartRequest(const long &identityid)\r
 207 {\r
 208         DateTime now;\r
 209         FCPMessage message;\r
 210         std::string publickey;\r
 211         int index;\r
 212         std::string indexstr;\r
 213         std::string identityidstr;\r
 214 \r
 215         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 216         st.Bind(0,identityid);\r
 217         st.Step();\r
 218 \r
 219         if(st.RowReturned())\r
 220         {\r
 221                 st.ResultText(0,publickey);\r
 222 \r
 223                 now.SetToGMTime();\r
 224 \r
 225                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblIdentityRequests WHERE Day=? AND IdentityID=?;");\r
 226                 st2.Bind(0,now.Format("%Y-%m-%d"));\r
 227                 st2.Bind(1,identityid);\r
 228                 st2.Step();\r
 229 \r
 230                 index=0;\r
 231                 if(st2.RowReturned())\r
 232                 {\r
 233                         if(st2.ResultNull(0)==false)\r
 234                         {\r
 235                                 st2.ResultInt(0,index);\r
 236                                 index++;\r
 237                         }\r
 238                 }\r
 239                 st2.Finalize();\r
 240 \r
 241                 StringFunctions::Convert(index,indexstr);\r
 242                 StringFunctions::Convert(identityid,identityidstr);\r
 243 \r
 244                 message.SetName("ClientGet");\r
 245                 message["URI"]=publickey+m_messagebase+"|"+now.Format("%Y-%m-%d")+"|Identity|"+indexstr+".xml";\r
 246                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|"+message["URI"];\r
 247                 message["ReturnType"]="direct";\r
 248                 message["MaxSize"]="10000";                     // 10 KB\r
 249 \r
 250                 m_fcp->SendMessage(message);\r
 251 \r
 252                 m_requesting.push_back(identityid);\r
 253         }\r
 254         st.Finalize();\r
 255 \r
 256         m_ids[identityid]=true;\r
 257 \r
 258 }\r