src/freenet/introductionpuzzleinserter.cpp

   1 #include "../../include/freenet/introductionpuzzleinserter.h"\r
   2 #include "../../include/freenet/introductionpuzzlexml.h"\r
   3 #include "../../include/stringfunctions.h"\r
   4 #include "../../include/option.h"\r
   5 #include "../../include/freenet/captcha/simplecaptcha.h"\r
   6 #ifdef ALTERNATE_CAPTCHA\r
   7 #include "../../include/freenet/captcha/alternatecaptcha1.h"\r
   8 #endif\r
   9 #include "../../include/base64.h"\r
  10 \r
  11 #include <Poco/DateTimeFormatter.h>\r
  12 #include <Poco/UUIDGenerator.h>\r
  13 #include <Poco/UUID.h>\r
  14 \r
  15 #ifdef XMEM\r
  16         #include <xmem.h>\r
  17 #endif\r
  18 \r
  19 IntroductionPuzzleInserter::IntroductionPuzzleInserter():IIndexInserter<long>()\r
  20 {\r
  21         Initialize();\r
  22 }\r
  23 \r
  24 IntroductionPuzzleInserter::IntroductionPuzzleInserter(FCPv2 *fcp):IIndexInserter<long>(fcp)\r
  25 {\r
  26         Initialize();\r
  27 }\r
  28 \r
  29 void IntroductionPuzzleInserter::CheckForNeededInsert()\r
  30 {\r
  31         // only do 1 insert at a time\r
  32         if(m_inserting.size()==0)\r
  33         {\r
  34                 // select all local ids that aren't single use and that aren't currently inserting a puzzle and are publishing a trust list\r
  35                 SQLite3DB::Recordset rs=m_db->Query("SELECT LocalIdentityID FROM tblLocalIdentity WHERE PublishTrustList='true' AND SingleUse='false' AND PrivateKey IS NOT NULL AND PrivateKey <> '' ORDER BY LastInsertedPuzzle;");\r
  36                 \r
  37                 while(!rs.AtEnd())\r
  38                 {\r
  39                         int localidentityid=0;\r
  40                         std::string localidentityidstr="";\r
  41                         Poco::DateTime now;\r
  42                         float minutesbetweeninserts=0;\r
  43                         minutesbetweeninserts=1440.0/(float)m_maxpuzzleinserts;\r
  44                         Poco::DateTime lastinsert=now;\r
  45                         lastinsert-=Poco::Timespan(0,0,minutesbetweeninserts,0,0);\r
  46 \r
  47                         if(rs.GetField(0))\r
  48                         {\r
  49                                 localidentityidstr=rs.GetField(0);\r
  50                         }\r
  51 \r
  52                         // if this identity has any non-solved puzzles for today, we don't need to insert a new puzzle\r
  53                         SQLite3DB::Recordset rs2=m_db->Query("SELECT UUID FROM tblIntroductionPuzzleInserts WHERE Day='"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"' AND FoundSolution='false' AND LocalIdentityID="+localidentityidstr+";");\r
  54 \r
  55                         // identity doesn't have any non-solved puzzles for today - start a new insert\r
  56                         if(rs2.Empty()==true)\r
  57                         {\r
  58                                 // make sure we are on the next day or the appropriate amount of time has elapsed since the last insert\r
  59                                 if(m_lastinserted.find(rs.GetInt(0))==m_lastinserted.end() || m_lastinserted[rs.GetInt(0)]<=lastinsert || m_lastinserted[rs.GetInt(0)].day()!=now.day())\r
  60                                 {\r
  61                                         StartInsert(rs.GetInt(0));\r
  62                                         m_lastinserted[rs.GetInt(0)]=now;\r
  63                                 }\r
  64                                 else\r
  65                                 {\r
  66                                         m_log->trace("IntroductionPuzzleInserter::CheckForNeededInsert waiting to insert puzzle for "+localidentityidstr);\r
  67                                 }\r
  68                         }\r
  69 \r
  70                         rs.Next();\r
  71                 }\r
  72         }\r
  73 }\r
  74 \r
  75 void IntroductionPuzzleInserter::GenerateCaptcha(std::string &encodeddata, std::string &solution)\r
  76 {\r
  77 #ifdef ALTERNATE_CAPTCHA\r
  78         AlternateCaptcha1 captcha;\r
  79         m_log->trace("IntroductionPuzzleInserter::GenerateCaptcha using alternate captcha generator");\r
  80 #else\r
  81         SimpleCaptcha captcha;\r
  82 #endif\r
  83         std::vector<unsigned char> puzzle;\r
  84         std::vector<unsigned char> puzzlesolution;\r
  85 \r
  86         captcha.Generate();\r
  87         captcha.GetPuzzle(puzzle);\r
  88         captcha.GetSolution(puzzlesolution);\r
  89 \r
  90         encodeddata.clear();\r
  91         solution.clear();\r
  92 \r
  93         Base64::Encode(puzzle,encodeddata);\r
  94         solution.insert(solution.begin(),puzzlesolution.begin(),puzzlesolution.end());\r
  95 \r
  96 }\r
  97 \r
  98 const bool IntroductionPuzzleInserter::HandlePutFailed(FCPMessage &message)\r
  99 {\r
 100         SQLite3DB::Statement st;\r
 101         std::vector<std::string> idparts;\r
 102         long localidentityid;\r
 103 \r
 104         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 105         StringFunctions::Convert(idparts[1],localidentityid);\r
 106 \r
 107         // non USK\r
 108         if(idparts[0]==m_fcpuniquename)\r
 109         {\r
 110                 // if fatal error or collision - mark index\r
 111                 if(message["Fatal"]=="true" || message["Code"]=="9")\r
 112                 {\r
 113                         m_db->Execute("UPDATE tblIntroductionPuzzleInserts SET Day='"+idparts[5]+"', InsertIndex="+idparts[2]+", FoundSolution='true' WHERE UUID='"+idparts[3]+"';");\r
 114                 }\r
 115 \r
 116                 RemoveFromInsertList(localidentityid);\r
 117 \r
 118                 m_log->debug("IntroductionPuzzleInserter::HandlePutFailed failed to insert puzzle "+idparts[3]);\r
 119         }\r
 120 \r
 121         return true;\r
 122 }\r
 123 \r
 124 const bool IntroductionPuzzleInserter::HandlePutSuccessful(FCPMessage &message)\r
 125 {\r
 126         Poco::DateTime now;\r
 127         SQLite3DB::Statement st;\r
 128         std::vector<std::string> idparts;\r
 129         long localidentityid;\r
 130         long insertindex;\r
 131 \r
 132         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 133 \r
 134         // non USK\r
 135         if(idparts[0]==m_fcpuniquename)\r
 136         {\r
 137                 StringFunctions::Convert(idparts[1],localidentityid);\r
 138                 StringFunctions::Convert(idparts[2],insertindex);\r
 139 \r
 140                 st=m_db->Prepare("UPDATE tblIntroductionPuzzleInserts SET Day=?, InsertIndex=? WHERE UUID=?;");\r
 141                 st.Bind(0,idparts[5]);\r
 142                 st.Bind(1,insertindex);\r
 143                 st.Bind(2,idparts[3]);\r
 144                 st.Step();\r
 145                 st.Finalize();\r
 146 \r
 147                 st=m_db->Prepare("UPDATE tblLocalIdentity SET LastInsertedPuzzle=? WHERE LocalIdentityID=?;");\r
 148                 st.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));\r
 149                 st.Bind(1,localidentityid);\r
 150                 st.Step();\r
 151                 st.Finalize();\r
 152 \r
 153                 RemoveFromInsertList(localidentityid);\r
 154 \r
 155                 m_log->debug("IntroductionPuzzleInserter::HandlePutSuccessful inserted puzzle "+idparts[3]);\r
 156         }\r
 157 \r
 158         return true;\r
 159 }\r
 160 \r
 161 void IntroductionPuzzleInserter::Initialize()\r
 162 {\r
 163         m_fcpuniquename="IntroductionPuzzleInserter";\r
 164         m_maxpuzzleinserts=50;\r
 165 }\r
 166 \r
 167 const bool IntroductionPuzzleInserter::StartInsert(const long &localidentityid)\r
 168 {\r
 169         Poco::DateTime now;\r
 170         std::string idstring;\r
 171         long index=0;\r
 172         std::string indexstr;\r
 173         Poco::UUIDGenerator uuidgen;\r
 174         Poco::UUID uuid;\r
 175         std::string messagebase;\r
 176         IntroductionPuzzleXML xml;\r
 177         std::string encodedpuzzle;\r
 178         std::string solutionstring;\r
 179         FCPMessage message;\r
 180         std::string xmldata;\r
 181         std::string xmldatasizestr;\r
 182         std::string privatekey="";\r
 183         std::string publickey="";\r
 184         std::string keypart="";\r
 185 \r
 186         StringFunctions::Convert(localidentityid,idstring);\r
 187         SQLite3DB::Recordset rs=m_db->Query("SELECT MAX(InsertIndex) FROM tblIntroductionPuzzleInserts WHERE Day='"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"' AND LocalIdentityID="+idstring+";");\r
 188 \r
 189         if(rs.Empty() || rs.GetField(0)==NULL)\r
 190         {\r
 191                 index=0;\r
 192         }\r
 193         else\r
 194         {\r
 195                 index=rs.GetInt(0)+1;\r
 196         }\r
 197         StringFunctions::Convert(index,indexstr);\r
 198 \r
 199         if(index<m_maxpuzzleinserts)\r
 200         {\r
 201                 SQLite3DB::Recordset rs2=m_db->Query("SELECT PrivateKey,PublicKey FROM tblLocalIdentity WHERE LocalIdentityID="+idstring+";");\r
 202                 if(rs2.Empty()==false && rs2.GetField(0)!=NULL)\r
 203                 {\r
 204                         privatekey=rs2.GetField(0);\r
 205                         if(rs2.GetField(1))\r
 206                         {\r
 207                                 publickey=rs2.GetField(1);\r
 208                         }\r
 209                         if(publickey.size()>=50)\r
 210                         {\r
 211                                 // remove - and ~\r
 212                                 keypart=StringFunctions::Replace(StringFunctions::Replace(publickey.substr(4,43),"-",""),"~","");\r
 213                         }\r
 214                 }\r
 215 \r
 216                 Option::Instance()->Get("MessageBase",messagebase);\r
 217 \r
 218                 GenerateCaptcha(encodedpuzzle,solutionstring);\r
 219 \r
 220                 try\r
 221                 {\r
 222                         uuid=uuidgen.createRandom();\r
 223                 }\r
 224                 catch(...)\r
 225                 {\r
 226                         m_log->fatal("IntroductionPuzzleInserter::StartInsert could not create UUID");\r
 227                 }\r
 228 \r
 229                 xml.SetType("captcha");\r
 230                 std::string uuidstr=uuid.toString();\r
 231                 StringFunctions::UpperCase(uuidstr,uuidstr);\r
 232                 xml.SetUUID(uuidstr+"@"+keypart);\r
 233                 xml.SetPuzzleData(encodedpuzzle);\r
 234                 xml.SetMimeType("image/bmp");\r
 235 \r
 236                 xmldata=xml.GetXML();\r
 237                 StringFunctions::Convert(xmldata.size(),xmldatasizestr);\r
 238 \r
 239                 message.SetName("ClientPut");\r
 240                 message["URI"]=privatekey+messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"|IntroductionPuzzle|"+indexstr+".xml";\r
 241                 message["Identifier"]=m_fcpuniquename+"|"+idstring+"|"+indexstr+"|"+xml.GetUUID()+"|"+message["URI"];\r
 242                 message["UploadFrom"]="direct";\r
 243                 message["DataLength"]=xmldatasizestr;\r
 244                 m_fcp->SendMessage(message);\r
 245                 m_fcp->SendRaw(xmldata.c_str(),xmldata.size());\r
 246 \r
 247                 // insert to USK\r
 248                 message.Reset();\r
 249                 message.SetName("ClientPutComplexDir");\r
 250                 message["URI"]="USK"+privatekey.substr(3)+messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y.%m.%d")+"|IntroductionPuzzle/0/";\r
 251                 message["Identifier"]=m_fcpuniquename+"USK|"+message["URI"];\r
 252                 message["DefaultName"]="IntroductionPuzzle.xml";\r
 253                 message["Files.0.Name"]="IntroductionPuzzle.xml";\r
 254                 message["Files.0.UplaodFrom"]="direct";\r
 255                 message["Files.0.DataLength"]=xmldatasizestr;\r
 256                 m_fcp->SendMessage(message);\r
 257                 m_fcp->SendRaw(xmldata.c_str(),xmldata.size());\r
 258 \r
 259                 m_db->Execute("INSERT INTO tblIntroductionPuzzleInserts(UUID,Type,MimeType,LocalIdentityID,PuzzleData,PuzzleSolution) VALUES('"+xml.GetUUID()+"','captcha','image/bmp',"+idstring+",'"+encodedpuzzle+"','"+solutionstring+"');");\r
 260 \r
 261                 m_inserting.push_back(localidentityid);\r
 262 \r
 263                 m_log->debug("IntroductionPuzzleInserter::StartInsert started insert for id "+idstring);\r
 264         }\r
 265         else\r
 266         {\r
 267                 m_log->warning("IntroductionPuzzleInserter::StartInsert already inserted max puzzles for "+idstring);\r
 268         }\r
 269 \r
 270         return true;\r
 271 \r
 272 }\r