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twister-core
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adding new methods for public and private favorites

miguelfreitas
erqan 10 years ago
parent
b7de00d35e
commit
5fa729fc47
6 changed files with 231 additions and 9 deletions
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  1. 4
      libtorrent/include/libtorrent/piece_picker.hpp
  2. 7
      src/bitcoinrpc.cpp
  3. 2
      src/bitcoinrpc.h
  4. 211
      src/twister.cpp
  5. 8
      src/twister.h
  6. 8
      src/twister_utils.cpp

4
libtorrent/include/libtorrent/piece_picker.hpp
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@ -428,8 +428,8 @@ namespace libtorrent @@ -428,8 +428,8 @@ namespace libtorrent
#else
boost::uint32_t peer_count : 16;
#endif
// post flags (1 = rt, 2 = dm)
boost::uint32_t post_flags : 2;
// post flags (1 = rt, 2 = dm, 4 = fav, 12 = pfav)
boost::uint32_t post_flags : 4;
// is 1 if the piece is marked as being downloaded
boost::uint32_t downloading : 1;
// set when downloading, but no free blocks to request left

7
src/bitcoinrpc.cpp
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@ -252,9 +252,11 @@ static const CRPCCommand vRPCCommands[] = @@ -252,9 +252,11 @@ static const CRPCCommand vRPCCommands[] =
{ "newpostraw", &newpostraw, false, true, true },
{ "newdirectmsg", &newdirectmsg, false, true, false },
{ "newrtmsg", &newrtmsg, false, true, false },
{ "newfavmsg", &newfavmsg, false, true, false },
{ "getposts", &getposts, false, true, false },
{ "getdirectmsgs", &getdirectmsgs, false, true, false },
{ "getmentions", &getmentions, false, true, false },
{ "getfavs", &getfavs, false, true, false },
{ "setspammsg", &setspammsg, false, false, false },
{ "getspammsg", &getspammsg, false, false, false },
{ "setpreferredspamlang", &setpreferredspamlang, false, false, false },
@ -1316,6 +1318,9 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri @@ -1316,6 +1318,9 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri
if (strMethod == "newdirectmsg" && n > 4) ConvertTo<bool>(params[4]);
if (strMethod == "newrtmsg" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "newrtmsg" && n > 2) ConvertTo<Object>(params[2]);
if (strMethod == "newfavmsg" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "newfavmsg" && n > 2) ConvertTo<Object>(params[2]);
if (strMethod == "newfavmsg" && n > 3) ConvertTo<bool>(params[3]);
if (strMethod == "getlasthave" && n > 1) ConvertTo<Array>(params[1]);
if (strMethod == "getposts" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "getposts" && n > 1) ConvertTo<Array>(params[1]);
@ -1325,6 +1330,8 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri @@ -1325,6 +1330,8 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri
if (strMethod == "getdirectmsgs" && n > 2) ConvertTo<Array>(params[2]);
if (strMethod == "getmentions" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "getmentions" && n > 2) ConvertTo<Object>(params[2]);
if (strMethod == "getfavs" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "getfavs" && n > 2) ConvertTo<Object>(params[2]);
if (strMethod == "follow" && n > 1) ConvertTo<Array>(params[1]);
if (strMethod == "unfollow" && n > 1) ConvertTo<Array>(params[1]);
if (strMethod == "listusernamespartial" && n > 1) ConvertTo<boost::int64_t>(params[1]);

2
src/bitcoinrpc.h
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@ -205,9 +205,11 @@ extern json_spirit::Value newpostmsg(const json_spirit::Array& params, bool fHel @@ -205,9 +205,11 @@ extern json_spirit::Value newpostmsg(const json_spirit::Array& params, bool fHel
extern json_spirit::Value newpostraw(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value newdirectmsg(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value newrtmsg(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value newfavmsg(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getposts(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getdirectmsgs(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getmentions(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getfavs(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value setspammsg(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getspammsg(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value setpreferredspamlang(const json_spirit::Array& params, bool fHelp);

211
src/twister.cpp
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@ -1457,11 +1457,30 @@ bool acceptSignedPost(char const *data, int data_size, std::string username, int @@ -1457,11 +1457,30 @@ bool acceptSignedPost(char const *data, int data_size, std::string username, int
}
}
lazy_entry const* fav = post->dict_find_dict("fav");
string sig_fav = post->dict_find_string_value("sig_fav");
if ( fav ) {
if ( flags )
(*flags) |= USERPOST_FLAG_FAV;
string username_fav = fav->dict_find_string_value("n");
int height_fav = fav->dict_find_int_value("height", -1);
pair<char const*, int> favbuf = fav->data_section();
ret = verifySignature(string(favbuf.first, favbuf.second),
username_fav, sig_fav, height_fav);
if ( !ret )
sprintf(errbuf, "bad FAV signature");
}
if( flags ) {
lazy_entry const* dm = post->dict_find_dict("dm");
lazy_entry const* pfav = post->dict_find_dict("pfav");
if( dm ) {
(*flags) |= USERPOST_FLAG_DM;
processReceivedDM(post);
} else if (pfav) {
(*flags) |= USERPOST_FLAG_P_FAV;
} else {
processReceivedPost(v, username, time, msg);
}
@ -1533,6 +1552,8 @@ bool createSignedUserpost(entry &v, std::string const &username, int k, @@ -1533,6 +1552,8 @@ bool createSignedUserpost(entry &v, std::string const &username, int k,
std::string const &msg, // either msg.size() or
entry const *rt, entry const *sig_rt, // rt != NULL or
entry const *dm, // dm != NULL.
entry const *fav, entry const *sig_fav,
entry const *pfav,
std::string const &reply_n, int reply_k
)
{
@ -1547,14 +1568,20 @@ bool createSignedUserpost(entry &v, std::string const &username, int k, @@ -1547,14 +1568,20 @@ bool createSignedUserpost(entry &v, std::string const &username, int k,
if( msg.size() ) {
//userpost["t"] = "post";
userpost["msg"] = msg;
} else if ( rt != NULL && sig_rt != NULL ) {
}
if ( rt != NULL && sig_rt != NULL ) {
//userpost["t"] = "rt";
userpost["rt"] = *rt;
userpost["sig_rt"] = *sig_rt;
} else if ( fav != NULL && sig_fav != NULL ) {
userpost["fav"] = *fav;
userpost["sig_fav"] = *sig_fav;
} else if ( dm != NULL ) {
//userpost["t"] = "dm";
userpost["dm"] = *dm;
} else {
} else if ( pfav != NULL ) {
userpost["pfav"] = *pfav;
} else if ( !msg.size() ) {
printf("createSignedUserpost: unknown type\n");
return false;
}
@ -2029,7 +2056,7 @@ int findLastPublicPostLocalUser( std::string strUsername ) @@ -2029,7 +2056,7 @@ int findLastPublicPostLocalUser( std::string strUsername )
std::vector<std::string> pieces;
int max_id = std::numeric_limits<int>::max();
int since_id = -1;
h.get_pieces(pieces, 1, max_id, since_id, ~USERPOST_FLAG_DM, 0);
h.get_pieces(pieces, 1, max_id, since_id, USERPOST_FLAG_HOME, 0);
if( pieces.size() ) {
string const& piece = pieces.front();
@ -2076,6 +2103,7 @@ Value newpostmsg(const Array& params, bool fHelp) @@ -2076,6 +2103,7 @@ Value newpostmsg(const Array& params, bool fHelp)
v["userpost"]["lastk"] = lastk;
if( !createSignedUserpost(v, strUsername, k, strMsg,
NULL, NULL, NULL,
NULL, NULL, NULL,
strReplyN, replyK) )
throw JSONRPCError(RPC_INTERNAL_ERROR,"error signing post with private key of user");
@ -2227,6 +2255,7 @@ Value newdirectmsg(const Array& params, bool fHelp) @@ -2227,6 +2255,7 @@ Value newdirectmsg(const Array& params, bool fHelp)
entry v;
if( !createSignedUserpost(v, strFrom, k, "",
NULL, NULL, dm,
NULL, NULL, NULL,
std::string(""), 0) )
throw JSONRPCError(RPC_INTERNAL_ERROR,"error signing post with private key of user");
@ -2283,6 +2312,7 @@ Value newrtmsg(const Array& params, bool fHelp) @@ -2283,6 +2312,7 @@ Value newrtmsg(const Array& params, bool fHelp)
if( !createSignedUserpost(v, strUsername, k, "",
rt, sig_rt, NULL,
NULL, NULL, NULL,
std::string(""), 0) )
throw JSONRPCError(RPC_INTERNAL_ERROR,"error signing post with private key of user");
@ -2321,6 +2351,68 @@ Value newrtmsg(const Array& params, bool fHelp) @@ -2321,6 +2351,68 @@ Value newrtmsg(const Array& params, bool fHelp)
return entryToJson(v);
}
Value newfavmsg(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 3 || params.size() > 5)
throw runtime_error(
"newfavmsg <username> <k> <fav_v_object> [private=false] [msg=''] \n"
"Add a post to swarm as a favorite");
EnsureWalletIsUnlocked();
string strUsername = params[0].get_str();
int k = params[1].get_int();
string strK = boost::lexical_cast<std::string>(k);
string msg = (params.size() > 4) ? params[4].get_str() : "";
entry vfav = jsonToEntry(params[2].get_obj());
bool isPriv = (params.size() > 3) ? params[3].get_bool() : false;
unHexcapePost(vfav);
entry const *fav = vfav.find_key("userpost");
entry const *sig_fav= vfav.find_key("sig_userpost");
entry v;
if (isPriv)
{
std::vector<char> payloadbuf;
bencode(std::back_inserter(payloadbuf), vfav);
std::string strMsgData = std::string(payloadbuf.data(),payloadbuf.size());
entry pfav;
if( !createDirectMessage(pfav, strUsername, strMsgData) )
throw JSONRPCError(RPC_INTERNAL_ERROR,
"error encrypting to pubkey of destination user");
if( !createSignedUserpost(v, strUsername, k, msg,
NULL, NULL, NULL,
NULL, NULL, &pfav,
std::string(""), 0) )
throw JSONRPCError(RPC_INTERNAL_ERROR,"error signing post with private key of user");
}
else if( !createSignedUserpost(v, strUsername, k, msg,
NULL, NULL, NULL,
fav, sig_fav, NULL,
std::string(""), 0) )
throw JSONRPCError(RPC_INTERNAL_ERROR,"error signing post with private key of user");
vector<char> buf;
bencode(std::back_inserter(buf), v);
std::string errmsg;
if( !acceptSignedPost(buf.data(),buf.size(),strUsername,k,errmsg,NULL) )
throw JSONRPCError(RPC_INVALID_PARAMS,errmsg);
torrent_handle h = startTorrentUser(strUsername, true);
if( h.is_valid() ) {
// if member of torrent post it directly
h.add_piece(k,buf.data(),buf.size());
}
hexcapePost(v);
return entryToJson(v);
}
Value getposts(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 4)
@ -2328,11 +2420,11 @@ Value getposts(const Array& params, bool fHelp) @@ -2328,11 +2420,11 @@ Value getposts(const Array& params, bool fHelp)
"getposts <count> '[{\"username\":username,\"max_id\":max_id,\"since_id\":since_id},...]' [allowed_flags=~2] [required_flags=0]\n"
"get posts from users\n"
"max_id and since_id may be omited\n"
"(optional) allowed/required flags are bitwise fields (1=RT,2=DM)");
"(optional) allowed/required flags are bitwise fields (1=RT,2=DM,4=FAV,12=PFAV)");
int count = params[0].get_int();
Array users = params[1].get_array();
int allowed_flags = (params.size() > 2) ? params[2].get_int() : ~USERPOST_FLAG_DM;
int allowed_flags = (params.size() > 2) ? params[2].get_int() : USERPOST_FLAG_HOME;
int required_flags = (params.size() > 3) ? params[3].get_int() : 0;
std::multimap<int64,entry> postsByTime;
@ -2506,6 +2598,114 @@ Value getmentions(const Array& params, bool fHelp) @@ -2506,6 +2598,114 @@ Value getmentions(const Array& params, bool fHelp)
return ret;
}
Value getfavs(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 3 )
throw runtime_error(
"getfavs <localuser> <count> '{\"max_id\":max_id,\"since_id\":since_id}'\n"
"Get favorite posts (private favorites are included) of localuser\n"
"max_id and since_id may be omited. up to <count> posts are returned.");
string strUsername = params[0].get_str();
int cnt = params[1].get_int();
int max_id = std::numeric_limits<int>::max();
int since_id = -1;
if( params.size() > 2 ) {
Object optParms = params[2].get_obj();
for (Object::const_iterator i = optParms.begin(); i != optParms.end(); ++i) {
if( i->name_ == "max_id" ) max_id = i->value_.get_int();
if( i->name_ == "since_id" ) since_id = i->value_.get_int();
}
}
multimap<int64,entry> postsByTime;
torrent_handle h = startTorrentUser(strUsername, true);
if( h.is_valid() ) {
std::vector<std::string> pieces;
h.get_pieces(pieces, cnt, max_id, since_id, USERPOST_FLAG_P_FAV, USERPOST_FLAG_FAV);
BOOST_FOREACH(string const& piece, pieces) {
lazy_entry v;
int pos;
libtorrent::error_code ec;
if (lazy_bdecode(piece.data(), piece.data()+piece.size(), v, ec, &pos) == 0 &&
v.type() == lazy_entry::dict_t) {
lazy_entry const* post = v.dict_find_dict("userpost");
if (!post || post->type() != lazy_entry::dict_t)
continue;
int64 time = post->dict_find_int_value("time",-1);
if(time == -1 || time > GetAdjustedTime() + MAX_TIME_IN_FUTURE ) {
printf("getposts: ignoring far-future message by '%s'\n", strUsername.c_str());
continue;
}
lazy_entry const* fav = post->dict_find_dict("fav");
lazy_entry const* pfav = post->dict_find_dict("pfav");
if (fav && fav->type() == lazy_entry::dict_t)
{
entry vEntry;
vEntry = v;
vEntry["isPrivate"] = false;
hexcapePost(vEntry);
postsByTime.insert( pair<int64,entry>(time, vEntry) );
}
else if (pfav && pfav->type() == lazy_entry::dict_t)
{
ecies_secure_t sec;
sec.key = pfav->dict_find_string_value("key");
sec.mac = pfav->dict_find_string_value("mac");
sec.orig = pfav->dict_find_int_value("orig");
sec.body = pfav->dict_find_string_value("body");
CKey key;
CKeyID keyID;
if (pwalletMain->GetKeyIdFromUsername(strUsername, keyID) &&
pwalletMain->GetKey( keyID, key) ) {
/* success: key obtained from wallet */
string textOut;
if (key.Decrypt(sec, textOut))
{
lazy_entry dfav;
if (lazy_bdecode(textOut.data(), textOut.data()+textOut.size(), dfav, ec, &pos) == 0
&& dfav.type() == lazy_entry::dict_t) {
entry vEntry, upst;
upst["fav"] = *(dfav.dict_find_dict("userpost"));
upst["sig_fav"] = dfav.dict_find_string_value("sig_userpost");
upst["n"] = post->dict_find_string_value("n");
upst["k"] = post->dict_find_int_value("k");
upst["msg"] = post->dict_find_string_value("msg");
upst["time"] = post->dict_find_int_value("time");
upst["height"] = post->dict_find_int_value("height");
vEntry["isPrivate"] = true;
vEntry["userpost"] = upst;
hexcapePost(vEntry);
postsByTime.insert( pair<int64,entry>(time, vEntry) );
}
}
} else
printf("getfavs: no key for user '%s'\n", strUsername.c_str());
}
}
}
}
Array ret;
std::multimap<int64,entry>::reverse_iterator rit;
for (rit=postsByTime.rbegin(); rit!=postsByTime.rend() && (int)ret.size() < cnt; ++rit) {
ret.push_back( entryToJson(rit->second) );
}
return ret;
}
Value setspammsg(const Array& params, bool fHelp)
{
if (fHelp || (params.size() != 2))
@ -3448,6 +3648,7 @@ static void signAndAddDM(const std::string &strFrom, int k, const entry *dm) @@ -3448,6 +3648,7 @@ static void signAndAddDM(const std::string &strFrom, int k, const entry *dm)
entry v;
if( !createSignedUserpost(v, strFrom, k, "",
NULL, NULL, dm,
NULL, NULL, NULL,
std::string(""), 0) )
throw JSONRPCError(RPC_INTERNAL_ERROR,"error signing post with private key of user");

8
src/twister.h
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@ -8,8 +8,12 @@ @@ -8,8 +8,12 @@
#define LIBTORRENT_PORT_OFFSET 1000
#define USERPOST_FLAG_RT 0x01
#define USERPOST_FLAG_DM 0x02
#define USERPOST_FLAG_RT 0x01
#define USERPOST_FLAG_DM 0x02
#define USERPOST_FLAG_FAV 0x04
#define USERPOST_FLAG_P_FAV 0x0C
#define USERPOST_FLAG_HOME (~USERPOST_FLAG_DM & ~USERPOST_FLAG_FAV & ~USERPOST_FLAG_P_FAV)
#define BLOCK_AGE_TO_EXPIRE_DHT_ENTRY (2016) // about 2 weeks
#define BLOCK_AGE_TO_EXPIRE_DHT_POSTS (4320*2) // about 2 months

8
src/twister_utils.cpp
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@ -375,6 +375,7 @@ void hexcapePost(libtorrent::entry &e) @@ -375,6 +375,7 @@ void hexcapePost(libtorrent::entry &e)
entry &userpost = e["userpost"];
if( userpost.type() == libtorrent::entry::dictionary_t ) {
findAndHexcape(userpost,"sig_rt");
findAndHexcape(userpost, "sig_fav");
if( userpost.find_key("dm") ) {
entry &dm = userpost["dm"];
if( dm.type() == libtorrent::entry::dictionary_t ) {
@ -382,6 +383,13 @@ void hexcapePost(libtorrent::entry &e) @@ -382,6 +383,13 @@ void hexcapePost(libtorrent::entry &e)
findAndHexcape(dm,"key");
findAndHexcape(dm,"mac");
}
} else if( userpost.find_key("pfav") ) {
entry &pfav = userpost["pfav"];
if( pfav.type() == libtorrent::entry::dictionary_t ) {
findAndHexcape(pfav,"body");
findAndHexcape(pfav,"key");
findAndHexcape(pfav,"mac");
}
}
}
}

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