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 \r
  32         now.SetToGMTime();\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                 st=m_db->Prepare("UPDATE tblIdentity SET Name=?, SingleUse=?, LastSeen=?, PublishTrustList=?, PublishBoardList=? WHERE IdentityID=?");\r
  59                 st.Bind(0,xml.GetName());\r
  60                 if(xml.GetSingleUse()==true)\r
  61                 {\r
  62                         st.Bind(1,"true");\r
  63                 }\r
  64                 else\r
  65                 {\r
  66                         st.Bind(1,"false");\r
  67                 }\r
  68                 st.Bind(2,now.Format("%Y-%m-%d %H:%M:%S"));\r
  69                 if(xml.GetPublishTrustList()==true)\r
  70                 {\r
  71                         st.Bind(3,"true");\r
  72                 }\r
  73                 else\r
  74                 {\r
  75                         st.Bind(3,"false");\r
  76                 }\r
  77                 if(xml.GetPublishBoardList()==true)\r
  78                 {\r
  79                         st.Bind(4,"true");\r
  80                 }\r
  81                 else\r
  82                 {\r
  83                         st.Bind(4,"false");\r
  84                 }\r
  85                 st.Bind(5,identityid);\r
  86                 st.Step();\r
  87                 st.Finalize();\r
  88 \r
  89                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
  90                 st.Bind(0,identityid);\r
  91                 st.Bind(1,idparts[4]);\r
  92                 st.Bind(2,index);\r
  93                 st.Step();\r
  94                 st.Finalize();\r
  95 \r
  96                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"IdentityRequester::HandleAllData parsed Identity XML file : "+message["Identifier"]);\r
  97         }\r
  98         else\r
  99         {\r
 100                 // bad data - mark index\r
 101                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 102                 st.Bind(0,identityid);\r
 103                 st.Bind(1,idparts[4]);\r
 104                 st.Bind(2,index);\r
 105                 st.Step();\r
 106                 st.Finalize();\r
 107 \r
 108                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"IdentityRequester::HandleAllData error parsing Identity XML file : "+message["Identifier"]);\r
 109         }\r
 110 \r
 111         // remove this identityid from request list\r
 112         RemoveFromRequestList(identityid);\r
 113 \r
 114         return true;\r
 115 \r
 116 }\r
 117 \r
 118 const bool IdentityRequester::HandleGetFailed(FCPMessage &message)\r
 119 {\r
 120         DateTime now;\r
 121         SQLite3DB::Statement st;\r
 122         std::vector<std::string> idparts;\r
 123         long identityid;\r
 124         long index;\r
 125 \r
 126         now.SetToGMTime();\r
 127         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 128         StringFunctions::Convert(idparts[1],identityid);\r
 129         StringFunctions::Convert(idparts[2],index);     \r
 130 \r
 131         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 132         if(message["Fatal"]=="true")\r
 133         {\r
 134                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 135                 st.Bind(0,identityid);\r
 136                 st.Bind(1,idparts[4]);\r
 137                 st.Bind(2,index);\r
 138                 st.Step();\r
 139                 st.Finalize();\r
 140 \r
 141                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"IdentityRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 142         }\r
 143 \r
 144         // remove this identityid from request list\r
 145         RemoveFromRequestList(identityid);\r
 146 \r
 147         return true;\r
 148 \r
 149 }\r
 150 \r
 151 void IdentityRequester::Initialize()\r
 152 {\r
 153         std::string tempval="";\r
 154         m_fcpuniquename="IdentityRequester";\r
 155         Option::Instance()->Get("MaxIdentityRequests",tempval);\r
 156         StringFunctions::Convert(tempval,m_maxrequests);\r
 157         if(m_maxrequests<1)\r
 158         {\r
 159                 m_maxrequests=1;\r
 160                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxIdentityRequests is currently set at "+tempval+".  It must be 1 or greater.");\r
 161         }\r
 162         if(m_maxrequests>100)\r
 163         {\r
 164                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxIdentityRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 165         }\r
 166 }\r
 167 \r
 168 void IdentityRequester::PopulateIDList()\r
 169 {\r
 170         DateTime date;\r
 171         int id;\r
 172 \r
 173         date.SetToGMTime();\r
 174         date.Add(0,0,-1);\r
 175 \r
 176         // select identities we want to query (haven't seen in last hour) - sort by their trust level (descending) with secondary sort on how long ago we saw them (ascending)\r
 177         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
 178         st.Step();\r
 179 \r
 180         m_ids.clear();\r
 181 \r
 182         while(st.RowReturned())\r
 183         {\r
 184                 st.ResultInt(0,id);\r
 185                 m_ids[id]=false;\r
 186                 st.Step();\r
 187         }\r
 188 }\r
 189 \r
 190 void IdentityRequester::StartRequest(const long &identityid)\r
 191 {\r
 192         DateTime now;\r
 193         FCPMessage message;\r
 194         std::string publickey;\r
 195         int index;\r
 196         std::string indexstr;\r
 197         std::string identityidstr;\r
 198 \r
 199         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");\r
 200         st.Bind(0,identityid);\r
 201         st.Step();\r
 202 \r
 203         if(st.RowReturned())\r
 204         {\r
 205                 st.ResultText(0,publickey);\r
 206 \r
 207                 now.SetToGMTime();\r
 208 \r
 209                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblIdentityRequests WHERE Day=? AND IdentityID=?;");\r
 210                 st2.Bind(0,now.Format("%Y-%m-%d"));\r
 211                 st2.Bind(1,identityid);\r
 212                 st2.Step();\r
 213 \r
 214                 index=0;\r
 215                 if(st2.RowReturned())\r
 216                 {\r
 217                         if(st2.ResultNull(0)==false)\r
 218                         {\r
 219                                 st2.ResultInt(0,index);\r
 220                                 index++;\r
 221                         }\r
 222                 }\r
 223                 st2.Finalize();\r
 224 \r
 225                 StringFunctions::Convert(index,indexstr);\r
 226                 StringFunctions::Convert(identityid,identityidstr);\r
 227 \r
 228                 message.SetName("ClientGet");\r
 229                 message["URI"]=publickey+m_messagebase+"|"+now.Format("%Y-%m-%d")+"|Identity|"+indexstr+".xml";\r
 230                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|"+message["URI"];\r
 231                 message["ReturnType"]="direct";\r
 232                 message["MaxSize"]="10000";                     // 10 KB\r
 233 \r
 234                 m_fcp->SendMessage(message);\r
 235 \r
 236                 m_requesting.push_back(identityid);\r
 237         }\r
 238         st.Finalize();\r
 239 \r
 240         m_ids[identityid]=true;\r
 241 \r
 242 }\r