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         if(data.size()>0)\r
  58         {\r
  59                 m_fcp->ReceiveRaw(&data[0],datalength);\r
  60         }\r
  61 \r
  62         // parse file into xml and update the database\r
  63         if(data.size()>0 && xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
  64         {\r
  65 \r
  66                 st=m_db->Prepare("UPDATE tblIdentity SET Name=?, SingleUse=?, LastSeen=?, PublishTrustList=?, PublishBoardList=?, FreesiteEdition=? WHERE IdentityID=?");\r
  67                 name=xml.GetName();\r
  68                 if(name.size()>40)\r
  69                 {\r
  70                         name.erase(40);\r
  71                 }\r
  72                 st.Bind(0,name);\r
  73                 if(xml.GetSingleUse()==true)\r
  74                 {\r
  75                         st.Bind(1,"true");\r
  76                 }\r
  77                 else\r
  78                 {\r
  79                         st.Bind(1,"false");\r
  80                 }\r
  81                 st.Bind(2,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));\r
  82                 if(xml.GetPublishTrustList()==true)\r
  83                 {\r
  84                         st.Bind(3,"true");\r
  85                 }\r
  86                 else\r
  87                 {\r
  88                         st.Bind(3,"false");\r
  89                 }\r
  90                 if(xml.GetPublishBoardList()==true)\r
  91                 {\r
  92                         st.Bind(4,"true");\r
  93                 }\r
  94                 else\r
  95                 {\r
  96                         st.Bind(4,"false");\r
  97                 }\r
  98                 if(xml.GetFreesiteEdition()>=0)\r
  99                 {\r
 100                         st.Bind(5,xml.GetFreesiteEdition());\r
 101                 }\r
 102                 else\r
 103                 {\r
 104                         st.Bind(5);\r
 105                 }\r
 106                 st.Bind(6,identityid);\r
 107                 st.Step();\r
 108                 st.Finalize();\r
 109 \r
 110                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
 111                 st.Bind(0,identityid);\r
 112                 st.Bind(1,idparts[4]);\r
 113                 st.Bind(2,index);\r
 114                 st.Step();\r
 115                 st.Finalize();\r
 116 \r
 117                 m_log->debug("IdentityRequester::HandleAllData parsed Identity XML file : "+message["Identifier"]);\r
 118         }\r
 119         else\r
 120         {\r
 121                 // bad data - mark index\r
 122                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 123                 st.Bind(0,identityid);\r
 124                 st.Bind(1,idparts[4]);\r
 125                 st.Bind(2,index);\r
 126                 st.Step();\r
 127                 st.Finalize();\r
 128 \r
 129                 m_log->error("IdentityRequester::HandleAllData error parsing Identity XML file : "+message["Identifier"]);\r
 130         }\r
 131 \r
 132         // remove this identityid from request list\r
 133         RemoveFromRequestList(identityid);\r
 134 \r
 135         return true;\r
 136 \r
 137 }\r
 138 \r
 139 const bool IdentityRequester::HandleGetFailed(FCPMessage &message)\r
 140 {\r
 141         SQLite3DB::Statement st;\r
 142         std::vector<std::string> idparts;\r
 143         long identityid;\r
 144         long index;\r
 145 \r
 146         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 147         StringFunctions::Convert(idparts[1],identityid);\r
 148         StringFunctions::Convert(idparts[2],index);     \r
 149 \r
 150         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 151         if(message["Fatal"]=="true")\r
 152         {\r
 153                 st=m_db->Prepare("INSERT INTO tblIdentityRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 154                 st.Bind(0,identityid);\r
 155                 st.Bind(1,idparts[4]);\r
 156                 st.Bind(2,index);\r
 157                 st.Step();\r
 158                 st.Finalize();\r
 159 \r
 160                 m_log->error("IdentityRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 161         }\r
 162 \r
 163         // remove this identityid from request list\r
 164         RemoveFromRequestList(identityid);\r
 165 \r
 166         return true;\r
 167 \r
 168 }\r
 169 \r
 170 void IdentityRequester::Initialize()\r
 171 {\r
 172         m_fcpuniquename="IdentityRequester";\r
 173         Option::Instance()->GetInt("MaxIdentityRequests",m_maxrequests);\r
 174         if(m_maxrequests<1)\r
 175         {\r
 176                 m_maxrequests=1;\r
 177                 m_log->error("Option MaxIdentityRequests is currently set at less than 1.  It must be 1 or greater.");\r
 178         }\r
 179         if(m_maxrequests>100)\r
 180         {\r
 181                 m_log->warning("Option MaxIdentityRequests is currently set at more than 100.  This value might be incorrectly configured.");\r
 182         }\r
 183 }\r
 184 \r
 185 void IdentityRequester::PopulateIDList()\r
 186 {\r
 187         Poco::DateTime date;\r
 188         int id;\r
 189 \r
 190         date.assign(date.year(),date.month(),date.day(),0,0,0);\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<'"+Poco::DateTimeFormatter::format(date,"%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         Poco::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=Poco::Timestamp();\r
 224 \r
 225                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblIdentityRequests WHERE Day=? AND IdentityID=?;");\r
 226                 st2.Bind(0,Poco::DateTimeFormatter::format(now,"%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+"|"+Poco::DateTimeFormatter::format(now,"%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