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 #include "../../include/freenet/captcha/alternatecaptcha2.h"\r
   9 #endif\r
  10 #include "../../include/base64.h"\r
  11 \r
  12 #include <Poco/DateTimeFormatter.h>\r
  13 #include <Poco/UUIDGenerator.h>\r
  14 #include <Poco/UUID.h>\r
  15 \r
  16 #ifdef XMEM\r
  17         #include <xmem.h>\r
  18 #endif\r
  19 \r
  20 IntroductionPuzzleInserter::IntroductionPuzzleInserter():IIndexInserter<long>()\r
  21 {\r
  22         Initialize();\r
  23 }\r
  24 \r
  25 IntroductionPuzzleInserter::IntroductionPuzzleInserter(FCPv2 *fcp):IIndexInserter<long>(fcp)\r
  26 {\r
  27         Initialize();\r
  28 }\r
  29 \r
  30 void IntroductionPuzzleInserter::CheckForNeededInsert()\r
  31 {\r
  32         // only do 1 insert at a time\r
  33         if(m_inserting.size()==0)\r
  34         {\r
  35                 // select all local ids that aren't single use and that aren't currently inserting a puzzle and are publishing a trust list\r
  36                 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
  37                 \r
  38                 while(!rs.AtEnd())\r
  39                 {\r
  40                         int localidentityid=0;\r
  41                         std::string localidentityidstr="";\r
  42                         Poco::DateTime now;\r
  43                         float minutesbetweeninserts=0;\r
  44                         minutesbetweeninserts=1440.0/(float)m_maxpuzzleinserts;\r
  45                         Poco::DateTime lastinsert=now;\r
  46                         lastinsert-=Poco::Timespan(0,0,minutesbetweeninserts,0,0);\r
  47 \r
  48                         if(rs.GetField(0))\r
  49                         {\r
  50                                 localidentityidstr=rs.GetField(0);\r
  51                         }\r
  52 \r
  53                         // if this identity has any non-solved puzzles for today, we don't need to insert a new puzzle\r
  54                         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
  55 \r
  56                         // identity doesn't have any non-solved puzzles for today - start a new insert\r
  57                         if(rs2.Empty()==true)\r
  58                         {\r
  59                                 // make sure we are on the next day or the appropriate amount of time has elapsed since the last insert\r
  60                                 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
  61                                 {\r
  62                                         StartInsert(rs.GetInt(0));\r
  63                                         m_lastinserted[rs.GetInt(0)]=now;\r
  64                                 }\r
  65                                 else\r
  66                                 {\r
  67                                         m_log->trace("IntroductionPuzzleInserter::CheckForNeededInsert waiting to insert puzzle for "+localidentityidstr);\r
  68                                 }\r
  69                         }\r
  70 \r
  71                         rs.Next();\r
  72                 }\r
  73         }\r
  74 }\r
  75 \r
  76 void IntroductionPuzzleInserter::GenerateCaptcha(std::string &encodeddata, std::string &solution)\r
  77 {\r
  78         ICaptcha *cap=0;\r
  79 #ifdef ALTERNATE_CAPTCHA\r
  80         if(rand()%2==0)\r
  81         {\r
  82                 cap=new AlternateCaptcha1();\r
  83         }\r
  84         else\r
  85         {\r
  86                 cap=new AlternateCaptcha2();\r
  87         }\r
  88         m_log->trace("IntroductionPuzzleInserter::GenerateCaptcha using alternate captcha generator");\r
  89 #else\r
  90         SimpleCaptcha captcha;\r
  91         cap=&captcha;\r
  92 #endif\r
  93         std::vector<unsigned char> puzzle;\r
  94         std::vector<unsigned char> puzzlesolution;\r
  95 \r
  96         cap->Generate();\r
  97         cap->GetPuzzle(puzzle);\r
  98         cap->GetSolution(puzzlesolution);\r
  99 \r
 100         encodeddata.clear();\r
 101         solution.clear();\r
 102 \r
 103         Base64::Encode(puzzle,encodeddata);\r
 104         solution.insert(solution.begin(),puzzlesolution.begin(),puzzlesolution.end());\r
 105 \r
 106         delete cap;\r
 107 \r
 108 }\r
 109 \r
 110 const bool IntroductionPuzzleInserter::HandlePutFailed(FCPMessage &message)\r
 111 {\r
 112         SQLite3DB::Statement st;\r
 113         std::vector<std::string> idparts;\r
 114         long localidentityid;\r
 115 \r
 116         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 117         StringFunctions::Convert(idparts[1],localidentityid);\r
 118 \r
 119         // non USK\r
 120         if(idparts[0]==m_fcpuniquename)\r
 121         {\r
 122                 // if fatal error or collision - mark index\r
 123                 if(message["Fatal"]=="true" || message["Code"]=="9")\r
 124                 {\r
 125                         m_db->Execute("UPDATE tblIntroductionPuzzleInserts SET Day='"+idparts[5]+"', InsertIndex="+idparts[2]+", FoundSolution='true' WHERE UUID='"+idparts[3]+"';");\r
 126                 }\r
 127 \r
 128                 RemoveFromInsertList(localidentityid);\r
 129 \r
 130                 m_log->debug("IntroductionPuzzleInserter::HandlePutFailed failed to insert puzzle "+idparts[3]);\r
 131         }\r
 132 \r
 133         return true;\r
 134 }\r
 135 \r
 136 const bool IntroductionPuzzleInserter::HandlePutSuccessful(FCPMessage &message)\r
 137 {\r
 138         Poco::DateTime now;\r
 139         SQLite3DB::Statement st;\r
 140         std::vector<std::string> idparts;\r
 141         long localidentityid;\r
 142         long insertindex;\r
 143 \r
 144         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 145 \r
 146         // non USK\r
 147         if(idparts[0]==m_fcpuniquename)\r
 148         {\r
 149                 StringFunctions::Convert(idparts[1],localidentityid);\r
 150                 StringFunctions::Convert(idparts[2],insertindex);\r
 151 \r
 152                 st=m_db->Prepare("UPDATE tblIntroductionPuzzleInserts SET Day=?, InsertIndex=? WHERE UUID=?;");\r
 153                 st.Bind(0,idparts[5]);\r
 154                 st.Bind(1,insertindex);\r
 155                 st.Bind(2,idparts[3]);\r
 156                 st.Step();\r
 157                 st.Finalize();\r
 158 \r
 159                 st=m_db->Prepare("UPDATE tblLocalIdentity SET LastInsertedPuzzle=? WHERE LocalIdentityID=?;");\r
 160                 st.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));\r
 161                 st.Bind(1,localidentityid);\r
 162                 st.Step();\r
 163                 st.Finalize();\r
 164 \r
 165                 RemoveFromInsertList(localidentityid);\r
 166 \r
 167                 m_log->debug("IntroductionPuzzleInserter::HandlePutSuccessful inserted puzzle "+idparts[3]);\r
 168         }\r
 169 \r
 170         return true;\r
 171 }\r
 172 \r
 173 void IntroductionPuzzleInserter::Initialize()\r
 174 {\r
 175         m_fcpuniquename="IntroductionPuzzleInserter";\r
 176         m_maxpuzzleinserts=50;\r
 177 }\r
 178 \r
 179 const bool IntroductionPuzzleInserter::StartInsert(const long &localidentityid)\r
 180 {\r
 181         Poco::DateTime now;\r
 182         std::string idstring;\r
 183         long index=0;\r
 184         std::string indexstr;\r
 185         Poco::UUIDGenerator uuidgen;\r
 186         Poco::UUID uuid;\r
 187         std::string messagebase;\r
 188         IntroductionPuzzleXML xml;\r
 189         std::string encodedpuzzle;\r
 190         std::string solutionstring;\r
 191         FCPMessage message;\r
 192         std::string xmldata;\r
 193         std::string xmldatasizestr;\r
 194         std::string privatekey="";\r
 195         std::string publickey="";\r
 196         std::string keypart="";\r
 197 \r
 198         StringFunctions::Convert(localidentityid,idstring);\r
 199         SQLite3DB::Recordset rs=m_db->Query("SELECT MAX(InsertIndex) FROM tblIntroductionPuzzleInserts WHERE Day='"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"' AND LocalIdentityID="+idstring+";");\r
 200 \r
 201         if(rs.Empty() || rs.GetField(0)==NULL)\r
 202         {\r
 203                 index=0;\r
 204         }\r
 205         else\r
 206         {\r
 207                 index=rs.GetInt(0)+1;\r
 208         }\r
 209         StringFunctions::Convert(index,indexstr);\r
 210 \r
 211         if(index<m_maxpuzzleinserts)\r
 212         {\r
 213                 SQLite3DB::Recordset rs2=m_db->Query("SELECT PrivateKey,PublicKey FROM tblLocalIdentity WHERE LocalIdentityID="+idstring+";");\r
 214                 if(rs2.Empty()==false && rs2.GetField(0)!=NULL)\r
 215                 {\r
 216                         privatekey=rs2.GetField(0);\r
 217                         if(rs2.GetField(1))\r
 218                         {\r
 219                                 publickey=rs2.GetField(1);\r
 220                         }\r
 221                         if(publickey.size()>=50)\r
 222                         {\r
 223                                 // remove - and ~\r
 224                                 keypart=StringFunctions::Replace(StringFunctions::Replace(publickey.substr(4,43),"-",""),"~","");\r
 225                         }\r
 226                 }\r
 227 \r
 228                 Option::Instance()->Get("MessageBase",messagebase);\r
 229 \r
 230                 GenerateCaptcha(encodedpuzzle,solutionstring);\r
 231 \r
 232                 try\r
 233                 {\r
 234                         uuid=uuidgen.createRandom();\r
 235                 }\r
 236                 catch(...)\r
 237                 {\r
 238                         m_log->fatal("IntroductionPuzzleInserter::StartInsert could not create UUID");\r
 239                 }\r
 240 \r
 241                 xml.SetType("captcha");\r
 242                 std::string uuidstr=uuid.toString();\r
 243                 StringFunctions::UpperCase(uuidstr,uuidstr);\r
 244                 xml.SetUUID(uuidstr+"@"+keypart);\r
 245                 xml.SetPuzzleData(encodedpuzzle);\r
 246                 xml.SetMimeType("image/bmp");\r
 247 \r
 248                 xmldata=xml.GetXML();\r
 249                 StringFunctions::Convert(xmldata.size(),xmldatasizestr);\r
 250 \r
 251                 message.SetName("ClientPut");\r
 252                 message["URI"]=privatekey+messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"|IntroductionPuzzle|"+indexstr+".xml";\r
 253                 message["Identifier"]=m_fcpuniquename+"|"+idstring+"|"+indexstr+"|"+xml.GetUUID()+"|"+message["URI"];\r
 254                 message["UploadFrom"]="direct";\r
 255                 message["DataLength"]=xmldatasizestr;\r
 256                 m_fcp->SendMessage(message);\r
 257                 m_fcp->SendRaw(xmldata.c_str(),xmldata.size());\r
 258 \r
 259                 // insert to USK\r
 260                 message.Reset();\r
 261                 message.SetName("ClientPutComplexDir");\r
 262                 message["URI"]="USK"+privatekey.substr(3)+messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y.%m.%d")+"|IntroductionPuzzle/0/";\r
 263                 message["Identifier"]=m_fcpuniquename+"USK|"+message["URI"];\r
 264                 message["DefaultName"]="IntroductionPuzzle.xml";\r
 265                 message["Files.0.Name"]="IntroductionPuzzle.xml";\r
 266                 message["Files.0.UplaodFrom"]="direct";\r
 267                 message["Files.0.DataLength"]=xmldatasizestr;\r
 268                 m_fcp->SendMessage(message);\r
 269                 m_fcp->SendRaw(xmldata.c_str(),xmldata.size());\r
 270 \r
 271                 m_db->Execute("INSERT INTO tblIntroductionPuzzleInserts(UUID,Type,MimeType,LocalIdentityID,PuzzleData,PuzzleSolution) VALUES('"+xml.GetUUID()+"','captcha','image/bmp',"+idstring+",'"+encodedpuzzle+"','"+solutionstring+"');");\r
 272 \r
 273                 m_inserting.push_back(localidentityid);\r
 274 \r
 275                 m_log->debug("IntroductionPuzzleInserter::StartInsert started insert for id "+idstring);\r
 276         }\r
 277         else\r
 278         {\r
 279                 m_log->warning("IntroductionPuzzleInserter::StartInsert already inserted max puzzles for "+idstring);\r
 280         }\r
 281 \r
 282         return true;\r
 283 \r
 284 }\r