1 #include "../../include/freenet/trustlistrequester.h"
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2 #include "../../include/option.h"
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3 #include "../../include/stringfunctions.h"
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4 #include "../../include/freenet/trustlistxml.h"
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6 #include <Poco/DateTimeFormatter.h>
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7 #include <Poco/Timespan.h>
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13 TrustListRequester::TrustListRequester()
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18 TrustListRequester::TrustListRequester(FCPv2 *fcp):IIndexRequester<long>(fcp)
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23 const bool TrustListRequester::HandleAllData(FCPMessage &message)
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26 SQLite3DB::Statement st;
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27 SQLite3DB::Statement trustst;
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28 std::vector<std::string> idparts;
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30 std::vector<char> data;
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35 int dayinsertcount=0;
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36 int previnsertcount=0;
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38 StringFunctions::Split(message["Identifier"],"|",idparts);
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39 StringFunctions::Convert(message["DataLength"],datalength);
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40 StringFunctions::Convert(idparts[1],identityid);
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41 StringFunctions::Convert(idparts[2],index);
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43 // wait for all data to be received from connection
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44 while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)
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49 // if we got disconnected- return immediately
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50 if(m_fcp->Connected()==false)
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56 data.resize(datalength);
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57 m_fcp->ReceiveRaw(&data[0],datalength);
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59 // get count of identities added in last 24 hours
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60 st=m_db->Prepare("SELECT COUNT(*) FROM tblIdentity WHERE DateAdded>=?;");
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61 now-=Poco::Timespan(1,0,0,0,0);
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62 st.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));
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64 if(st.RowReturned())
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66 if(st.ResultNull(0)==false)
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68 st.ResultInt(0,dayinsertcount);
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73 m_log->error("TrustListRequester::HandleAllData couldn't get count of identities added in last 24 hours");
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76 // get count of identities added more than 24 hours ago - if 0 then we will accept more than 100 identities now
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77 st=m_db->Prepare("SELECT COUNT(*) FROM tblIdentity WHERE DateAdded<?;");
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78 st.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));
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80 if(st.RowReturned())
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82 if(st.ResultNull(0)==false)
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84 st.ResultInt(0,previnsertcount);
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89 m_log->error("TrustListRequester::HandleAllData couldn't get count of identities added more than 24 hours ago");
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92 now=Poco::DateTime();
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94 // parse file into xml and update the database
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95 if(xml.ParseXML(std::string(data.begin(),data.end()))==true)
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97 // find the identity name and public key of the identity publishing the trust list
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98 std::string publisherid="";
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99 st=m_db->Prepare("SELECT Name,PublicKey FROM tblIdentity WHERE IdentityID=?;");
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100 st.Bind(0,identityid);
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102 if(st.RowReturned())
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104 std::string publishername="";
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105 std::string publisherpublickey="";
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106 st.ResultText(0,publishername);
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107 st.ResultText(1,publisherpublickey);
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108 publisherid=publishername;
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109 if(publisherpublickey.size()>4)
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111 publisherid+=publisherpublickey.substr(3,44);
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116 // drop all existing peer trust from this identity - we will rebuild it when we go through each trust in the xml file
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117 st=m_db->Prepare("DELETE FROM tblPeerTrust WHERE IdentityID=?;");
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118 st.Bind(0,identityid);
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122 st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey=?;");
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123 trustst=m_db->Prepare("INSERT INTO tblPeerTrust(IdentityID,TargetIdentityID,MessageTrust,TrustListTrust,MessageTrustComment,TrustListTrustComment) VALUES(?,?,?,?,?,?);");
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125 SQLite3DB::Statement idinsert=m_db->Prepare("INSERT INTO tblIdentity(PublicKey,DateAdded,AddedMethod) VALUES(?,?,?);");
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127 // loop through all trust entries in xml and add to database if we don't already know them
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128 for(long i=0; i<xml.TrustCount(); i++)
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131 std::string identity;
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132 std::string messagetrustcomment="";
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133 std::string trustlisttrustcomment="";
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134 identity=xml.GetIdentity(i);
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136 st.Bind(0,identity);
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138 if(st.RowReturned()==false)
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140 if(insertcount<50 && (dayinsertcount<100 || previnsertcount==0))
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142 idinsert.Bind(0,identity);
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143 idinsert.Bind(1,Poco::DateTimeFormatter::format(now,"%Y-%m-%d %H:%M:%S"));
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144 idinsert.Bind(2,"trust list of "+publisherid);
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145 idinsert.Step(true);
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146 id=idinsert.GetLastInsertRowID();
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154 st.ResultInt(0,id);
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158 //insert trust for this identity
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161 trustst.Bind(0,identityid);
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162 trustst.Bind(1,id);
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163 if(xml.GetMessageTrust(i)==-1)
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169 trustst.Bind(2,xml.GetMessageTrust(i));
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171 if(xml.GetTrustListTrust(i)==-1)
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177 trustst.Bind(3,xml.GetTrustListTrust(i));
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179 messagetrustcomment=xml.GetMessageTrustComment(i);
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180 trustlisttrustcomment=xml.GetTrustListTrustComment(i);
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181 // limit comments to 50 characters each
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182 if(messagetrustcomment.size()>50)
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184 messagetrustcomment.erase(50);
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186 if(trustlisttrustcomment.size()>50)
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188 trustlisttrustcomment.erase(50);
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190 trustst.Bind(4,messagetrustcomment);
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191 trustst.Bind(5,trustlisttrustcomment);
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197 trustst.Finalize();
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200 if(insertcount>=50)
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202 m_log->warning("TrustListRequester::HandleAllData TrustList contained more than 50 new identities : "+message["Identifier"]);
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204 if(dayinsertcount>=100 && previnsertcount>0)
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206 m_log->warning("TrustListRequester::HandleAllData TrustList would have inserted more than 100 new identities in the last 24 hours : "+message["Identifier"]);
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209 st=m_db->Prepare("INSERT INTO tblTrustListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");
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210 st.Bind(0,identityid);
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211 st.Bind(1,idparts[4]);
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216 m_log->debug("TrustListRequester::HandleAllData parsed TrustList XML file : "+message["Identifier"]);
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220 // bad data - mark index
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221 st=m_db->Prepare("INSERT INTO tblTrustListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");
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222 st.Bind(0,identityid);
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223 st.Bind(1,idparts[4]);
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228 m_log->error("TrustListRequester::HandleAllData error parsing TrustList XML file : "+message["Identifier"]);
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231 // remove this identityid from request list
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232 RemoveFromRequestList(identityid);
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238 const bool TrustListRequester::HandleGetFailed(FCPMessage &message)
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240 SQLite3DB::Statement st;
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241 std::vector<std::string> idparts;
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245 StringFunctions::Split(message["Identifier"],"|",idparts);
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246 StringFunctions::Convert(idparts[1],identityid);
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247 StringFunctions::Convert(idparts[2],index);
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249 // if this is a fatal error - insert index into database so we won't try to download this index again
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250 if(message["Fatal"]=="true")
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252 st=m_db->Prepare("INSERT INTO tblTrustListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");
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253 st.Bind(0,identityid);
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254 st.Bind(1,idparts[4]);
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259 m_log->error("TrustListRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);
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262 // remove this identityid from request list
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263 RemoveFromRequestList(identityid);
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269 void TrustListRequester::Initialize()
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271 std::string tempval="";
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272 m_fcpuniquename="TrustListRequester";
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273 Option::Instance()->Get("MaxIdentityRequests",tempval);
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274 StringFunctions::Convert(tempval,m_maxrequests);
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275 if(m_maxrequests<1)
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278 m_log->error("Option MaxTrustListRequests is currently set at "+tempval+". It must be 1 or greater.");
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280 if(m_maxrequests>100)
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282 m_log->warning("Option MaxTrustListRequests is currently set at "+tempval+". This value might be incorrectly configured.");
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284 m_tempdate=Poco::Timestamp();
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287 void TrustListRequester::PopulateIDList()
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289 Poco::DateTime date;
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293 // select identities we want to query (we've seen them today and they are publishing trust list) - sort by their trust level (descending) with secondary sort on how long ago we saw them (ascending)
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294 sql="SELECT IdentityID FROM tblIdentity ";
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295 sql+="WHERE Name IS NOT NULL AND Name <> '' AND PublicKey IS NOT NULL AND PublicKey <> '' AND LastSeen>='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"' AND PublishTrustList='true' AND LocalTrustListTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalTrustListTrust') AND ( PeerTrustListTrust IS NULL OR PeerTrustListTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerTrustListTrust') )";
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296 sql+="ORDER BY LocalTrustListTrust DESC, LastSeen;";
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298 SQLite3DB::Statement st=m_db->Prepare(sql);
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303 while(st.RowReturned())
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305 st.ResultInt(0,id);
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311 void TrustListRequester::StartRequest(const long &identityid)
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313 Poco::DateTime now;
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314 FCPMessage message;
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315 std::string publickey;
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317 std::string indexstr;
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318 std::string identityidstr;
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320 SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE IdentityID=?;");
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321 st.Bind(0,identityid);
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324 if(st.RowReturned())
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326 st.ResultText(0,publickey);
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328 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblTrustListRequests WHERE Day=? AND IdentityID=?;");
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329 st2.Bind(0,Poco::DateTimeFormatter::format(now,"%Y-%m-%d"));
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330 st2.Bind(1,identityid);
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334 if(st2.RowReturned())
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336 if(st2.ResultNull(0)==false)
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338 st2.ResultInt(0,index);
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344 StringFunctions::Convert(index,indexstr);
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345 StringFunctions::Convert(identityid,identityidstr);
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347 message.SetName("ClientGet");
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348 message["URI"]=publickey+m_messagebase+"|"+Poco::DateTimeFormatter::format(now,"%Y-%m-%d")+"|TrustList|"+indexstr+".xml";
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349 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|"+message["URI"];
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350 message["ReturnType"]="direct";
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351 message["MaxSize"]="1000000"; // 1 MB
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353 m_fcp->SendMessage(message);
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355 m_requesting.push_back(identityid);
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359 m_ids[identityid]=true;
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