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