PurpleI2P
/
i2pd
mirror of https://github.com/PurpleI2P/i2pd.git
1
0
Fork 0
Code Issues Releases Activity
Browse Source

generic address for AdressBook

pull/1334/head
orignal 6 years ago
parent
ff44bcc489
commit
baee6a0d91
3 changed files with 100 additions and 51 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 115
      libi2pd_client/AddressBook.cpp
  2. 28
      libi2pd_client/AddressBook.h
  3. 8
      libi2pd_client/SAM.cpp

115
libi2pd_client/AddressBook.cpp
Unescape View File

@ -40,9 +40,9 @@ namespace client
void RemoveAddress (const i2p::data::IdentHash& ident); void RemoveAddress (const i2p::data::IdentHash& ident);
bool Init (); bool Init ();
int Load (std::map<std::string, i2p::data::IdentHash>& addresses); int Load (std::map<std::string, std::shared_ptr<Address> > & addresses);
int LoadLocal (std::map<std::string, i2p::data::IdentHash>& addresses); int LoadLocal (std::map<std::string, std::shared_ptr<Address> >& addresses);
int Save (const std::map<std::string, i2p::data::IdentHash>& addresses); int Save (const std::map<std::string, std::shared_ptr<Address> >& addresses);
void SaveEtag (const i2p::data::IdentHash& subsciption, const std::string& etag, const std::string& lastModified); void SaveEtag (const i2p::data::IdentHash& subsciption, const std::string& etag, const std::string& lastModified);
bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified); bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified);
@ -50,7 +50,7 @@ namespace client
private: private:
int LoadFromFile (const std::string& filename, std::map<std::string, i2p::data::IdentHash>& addresses); // returns -1 if can't open file, otherwise number of records int LoadFromFile (const std::string& filename, std::map<std::string, std::shared_ptr<Address> >& addresses); // returns -1 if can't open file, otherwise number of records
private: private:
@ -125,7 +125,7 @@ namespace client
storage.Remove( ident.ToBase32() ); storage.Remove( ident.ToBase32() );
} }
int AddressBookFilesystemStorage::LoadFromFile (const std::string& filename, std::map<std::string, i2p::data::IdentHash>& addresses) int AddressBookFilesystemStorage::LoadFromFile (const std::string& filename, std::map<std::string, std::shared_ptr<Address> >& addresses)
{ {
int num = 0; int num = 0;
std::ifstream f (filename, std::ifstream::in); // in text mode std::ifstream f (filename, std::ifstream::in); // in text mode
@ -144,16 +144,14 @@ namespace client
std::string name = s.substr(0, pos++); std::string name = s.substr(0, pos++);
std::string addr = s.substr(pos); std::string addr = s.substr(pos);
i2p::data::IdentHash ident; addresses[name] = std::make_shared<Address>(addr);
ident.FromBase32 (addr);
addresses[name] = ident;
num++; num++;
} }
} }
return num; return num;
} }
int AddressBookFilesystemStorage::Load (std::map<std::string, i2p::data::IdentHash>& addresses) int AddressBookFilesystemStorage::Load (std::map<std::string, std::shared_ptr<Address> >& addresses)
{ {
int num = LoadFromFile (indexPath, addresses); int num = LoadFromFile (indexPath, addresses);
if (num < 0) if (num < 0)
@ -167,7 +165,7 @@ namespace client
return num; return num;
} }
int AddressBookFilesystemStorage::LoadLocal (std::map<std::string, i2p::data::IdentHash>& addresses) int AddressBookFilesystemStorage::LoadLocal (std::map<std::string, std::shared_ptr<Address> >& addresses)
{ {
int num = LoadFromFile (localPath, addresses); int num = LoadFromFile (localPath, addresses);
if (num < 0) return 0; if (num < 0) return 0;
@ -175,7 +173,7 @@ namespace client
return num; return num;
} }
int AddressBookFilesystemStorage::Save (const std::map<std::string, i2p::data::IdentHash>& addresses) int AddressBookFilesystemStorage::Save (const std::map<std::string, std::shared_ptr<Address> >& addresses)
{ {
if (addresses.empty()) { if (addresses.empty()) {
LogPrint(eLogWarning, "Addressbook: not saving empty addressbook"); LogPrint(eLogWarning, "Addressbook: not saving empty addressbook");
@ -190,9 +188,14 @@ namespace client
return 0; return 0;
} }
for (const auto& it: addresses) { for (const auto& it: addresses)
f << it.first << "," << it.second.ToBase32 () << std::endl; {
num++; if (it.second->IsIdentHash ())
{
f << it.first << "," << it.second->identHash.ToBase32 () << std::endl;
num++;
}
// TODO: save blinded public key
} }
LogPrint (eLogInfo, "Addressbook: ", num, " addresses saved"); LogPrint (eLogInfo, "Addressbook: ", num, " addresses saved");
return num; return num;
@ -232,6 +235,27 @@ namespace client
} }
//--------------------------------------------------------------------- //---------------------------------------------------------------------
Address::Address (const std::string& b32)
{
if (b32.length () <= B33_ADDRESS_THRESHOLD)
{
addressType = eAddressIndentHash;
identHash.FromBase32 (b32);
}
else
{
addressType = eAddressBlindedPublicKey;
blindedPublicKey = std::make_shared<i2p::data::BlindedPublicKey>(b32);
}
}
Address::Address (const i2p::data::IdentHash& hash)
{
addressType = eAddressIndentHash;
identHash = hash;
}
AddressBook::AddressBook (): m_Storage(nullptr), m_IsLoaded (false), m_IsDownloading (false), AddressBook::AddressBook (): m_Storage(nullptr), m_IsLoaded (false), m_IsDownloading (false),
m_NumRetries (0), m_DefaultSubscription (nullptr), m_SubscriptionsUpdateTimer (nullptr) m_NumRetries (0), m_DefaultSubscription (nullptr), m_SubscriptionsUpdateTimer (nullptr)
{ {
@ -296,19 +320,29 @@ namespace client
auto pos = address.find(".b32.i2p"); auto pos = address.find(".b32.i2p");
if (pos != std::string::npos) if (pos != std::string::npos)
{ {
Base32ToByteStream (address.c_str(), pos, ident, 32); if (pos <= B33_ADDRESS_THRESHOLD)
return true; {
Base32ToByteStream (address.c_str(), pos, ident, 32);
return true;
}
else
return false;
} }
else else
{ {
pos = address.find (".i2p"); pos = address.find (".i2p");
if (pos != std::string::npos) if (pos != std::string::npos)
{ {
auto identHash = FindAddress (address); auto addr = FindAddress (address);
if (identHash) if (addr)
{ {
ident = *identHash; if (addr->IsIdentHash ())
return true; {
ident = addr->identHash;
return true;
}
else
return false;
} }
else else
{ {
@ -325,11 +359,11 @@ namespace client
return true; return true;
} }
const i2p::data::IdentHash * AddressBook::FindAddress (const std::string& address) std::shared_ptr<const Address> AddressBook::FindAddress (const std::string& address)
{ {
auto it = m_Addresses.find (address); auto it = m_Addresses.find (address);
if (it != m_Addresses.end ()) if (it != m_Addresses.end ())
return &it->second; return it->second;
return nullptr; return nullptr;
} }
@ -338,16 +372,16 @@ namespace client
auto ident = std::make_shared<i2p::data::IdentityEx>(); auto ident = std::make_shared<i2p::data::IdentityEx>();
ident->FromBase64 (base64); ident->FromBase64 (base64);
m_Storage->AddAddress (ident); m_Storage->AddAddress (ident);
m_Addresses[address] = ident->GetIdentHash (); m_Addresses[address] = std::make_shared<Address>(ident->GetIdentHash ());
LogPrint (eLogInfo, "Addressbook: added ", address," -> ", ToAddress(ident->GetIdentHash ())); LogPrint (eLogInfo, "Addressbook: added ", address," -> ", ToAddress(ident->GetIdentHash ()));
} }
void AddressBook::InsertAddress (std::shared_ptr<const i2p::data::IdentityEx> address) void AddressBook::InsertFullAddress (std::shared_ptr<const i2p::data::IdentityEx> address)
{ {
m_Storage->AddAddress (address); m_Storage->AddAddress (address);
} }
std::shared_ptr<const i2p::data::IdentityEx> AddressBook::GetAddress (const std::string& address) std::shared_ptr<const i2p::data::IdentityEx> AddressBook::GetFullAddress (const std::string& address)
{ {
i2p::data::IdentHash ident; i2p::data::IdentHash ident;
if (!GetIdentHash (address, ident)) return nullptr; if (!GetIdentHash (address, ident)) return nullptr;
@ -408,16 +442,16 @@ namespace client
auto it = m_Addresses.find (name); auto it = m_Addresses.find (name);
if (it != m_Addresses.end ()) // already exists ? if (it != m_Addresses.end ()) // already exists ?
{ {
if (it->second != ident->GetIdentHash ()) // address changed? if (it->second->IsIdentHash () && it->second->identHash != ident->GetIdentHash ()) // address changed?
{ {
it->second = ident->GetIdentHash (); it->second->identHash = ident->GetIdentHash ();
m_Storage->AddAddress (ident); m_Storage->AddAddress (ident);
LogPrint (eLogInfo, "Addressbook: updated host: ", name); LogPrint (eLogInfo, "Addressbook: updated host: ", name);
} }
} }
else else
{ {
m_Addresses.insert (std::make_pair (name, ident->GetIdentHash ())); m_Addresses.emplace (name, std::make_shared<Address>(ident->GetIdentHash ()));
m_Storage->AddAddress (ident); m_Storage->AddAddress (ident);
if (is_update) if (is_update)
LogPrint (eLogInfo, "Addressbook: added new host: ", name); LogPrint (eLogInfo, "Addressbook: added new host: ", name);
@ -472,32 +506,33 @@ namespace client
void AddressBook::LoadLocal () void AddressBook::LoadLocal ()
{ {
std::map<std::string, i2p::data::IdentHash> localAddresses; std::map<std::string, std::shared_ptr<Address>> localAddresses;
m_Storage->LoadLocal (localAddresses); m_Storage->LoadLocal (localAddresses);
for (const auto& it: localAddresses) for (const auto& it: localAddresses)
{ {
if (!it.second->IsIdentHash ()) continue; // skip blinded for now
auto dot = it.first.find ('.'); auto dot = it.first.find ('.');
if (dot != std::string::npos) if (dot != std::string::npos)
{ {
auto domain = it.first.substr (dot + 1); auto domain = it.first.substr (dot + 1);
auto it1 = m_Addresses.find (domain); // find domain in our addressbook auto it1 = m_Addresses.find (domain); // find domain in our addressbook
if (it1 != m_Addresses.end ()) if (it1 != m_Addresses.end () && it1->second->IsIdentHash ())
{ {
auto dest = context.FindLocalDestination (it1->second); auto dest = context.FindLocalDestination (it1->second->identHash);
if (dest) if (dest)
{ {
// address is ours // address is ours
std::shared_ptr<AddressResolver> resolver; std::shared_ptr<AddressResolver> resolver;
auto it2 = m_Resolvers.find (it1->second); auto it2 = m_Resolvers.find (it1->second->identHash);
if (it2 != m_Resolvers.end ()) if (it2 != m_Resolvers.end ())
resolver = it2->second; // resolver exists resolver = it2->second; // resolver exists
else else
{ {
// create new resolver // create new resolver
resolver = std::make_shared<AddressResolver>(dest); resolver = std::make_shared<AddressResolver>(dest);
m_Resolvers.insert (std::make_pair(it1->second, resolver)); m_Resolvers.insert (std::make_pair(it1->second->identHash, resolver));
} }
resolver->AddAddress (it.first, it.second); resolver->AddAddress (it.first, it.second->identHash);
} }
} }
} }
@ -627,11 +662,11 @@ namespace client
void AddressBook::LookupAddress (const std::string& address) void AddressBook::LookupAddress (const std::string& address)
{ {
const i2p::data::IdentHash * ident = nullptr; std::shared_ptr<const Address> addr;
auto dot = address.find ('.'); auto dot = address.find ('.');
if (dot != std::string::npos) if (dot != std::string::npos)
ident = FindAddress (address.substr (dot + 1)); addr = FindAddress (address.substr (dot + 1));
if (!ident) if (!addr || !addr->IsIdentHash ()) // TODO:
{ {
LogPrint (eLogError, "Addressbook: Can't find domain for ", address); LogPrint (eLogError, "Addressbook: Can't find domain for ", address);
return; return;
@ -649,14 +684,14 @@ namespace client
std::unique_lock<std::mutex> l(m_LookupsMutex); std::unique_lock<std::mutex> l(m_LookupsMutex);
m_Lookups[nonce] = address; m_Lookups[nonce] = address;
} }
LogPrint (eLogDebug, "Addressbook: Lookup of ", address, " to ", ident->ToBase32 (), " nonce=", nonce); LogPrint (eLogDebug, "Addressbook: Lookup of ", address, " to ", addr->identHash.ToBase32 (), " nonce=", nonce);
size_t len = address.length () + 9; size_t len = address.length () + 9;
uint8_t * buf = new uint8_t[len]; uint8_t * buf = new uint8_t[len];
memset (buf, 0, 4); memset (buf, 0, 4);
htobe32buf (buf + 4, nonce); htobe32buf (buf + 4, nonce);
buf[8] = address.length (); buf[8] = address.length ();
memcpy (buf + 9, address.c_str (), address.length ()); memcpy (buf + 9, address.c_str (), address.length ());
datagram->SendDatagramTo (buf, len, *ident, ADDRESS_RESPONSE_DATAGRAM_PORT, ADDRESS_RESOLVER_DATAGRAM_PORT); datagram->SendDatagramTo (buf, len, addr->identHash, ADDRESS_RESPONSE_DATAGRAM_PORT, ADDRESS_RESOLVER_DATAGRAM_PORT);
delete[] buf; delete[] buf;
} }
} }
@ -686,7 +721,7 @@ namespace client
// TODO: verify from // TODO: verify from
i2p::data::IdentHash hash(buf + 8); i2p::data::IdentHash hash(buf + 8);
if (!hash.IsZero ()) if (!hash.IsZero ())
m_Addresses[address] = hash; m_Addresses[address] = std::make_shared<Address>(hash);
else else
LogPrint (eLogInfo, "AddressBook: Lookup response: ", address, " not found"); LogPrint (eLogInfo, "AddressBook: Lookup response: ", address, " not found");
} }

28
libi2pd_client/AddressBook.h
Unescape View File

@ -13,6 +13,7 @@
#include "Identity.h" #include "Identity.h"
#include "Log.h" #include "Log.h"
#include "Destination.h" #include "Destination.h"
#include "LeaseSet.h"
namespace i2p namespace i2p
{ {
@ -28,6 +29,19 @@ namespace client
const uint16_t ADDRESS_RESOLVER_DATAGRAM_PORT = 53; const uint16_t ADDRESS_RESOLVER_DATAGRAM_PORT = 53;
const uint16_t ADDRESS_RESPONSE_DATAGRAM_PORT = 54; const uint16_t ADDRESS_RESPONSE_DATAGRAM_PORT = 54;
const size_t B33_ADDRESS_THRESHOLD = 56; // characters
struct Address
{
enum { eAddressIndentHash, eAddressBlindedPublicKey } addressType;
i2p::data::IdentHash identHash;
std::shared_ptr<i2p::data::BlindedPublicKey> blindedPublicKey;
Address (const std::string& b32);
Address (const i2p::data::IdentHash& hash);
bool IsIdentHash () const { return addressType == eAddressIndentHash; };
};
inline std::string GetB32Address(const i2p::data::IdentHash& ident) { return ident.ToBase32().append(".b32.i2p"); } inline std::string GetB32Address(const i2p::data::IdentHash& ident) { return ident.ToBase32().append(".b32.i2p"); }
class AddressBookStorage // interface for storage class AddressBookStorage // interface for storage
@ -40,9 +54,9 @@ namespace client
virtual void RemoveAddress (const i2p::data::IdentHash& ident) = 0; virtual void RemoveAddress (const i2p::data::IdentHash& ident) = 0;
virtual bool Init () = 0; virtual bool Init () = 0;
virtual int Load (std::map<std::string, i2p::data::IdentHash>& addresses) = 0; virtual int Load (std::map<std::string, std::shared_ptr<Address> >& addresses) = 0;
virtual int LoadLocal (std::map<std::string, i2p::data::IdentHash>& addresses) = 0; virtual int LoadLocal (std::map<std::string, std::shared_ptr<Address> >& addresses) = 0;
virtual int Save (const std::map<std::string, i2p::data::IdentHash>& addresses) = 0; virtual int Save (const std::map<std::string, std::shared_ptr<Address> >& addresses) = 0;
virtual void SaveEtag (const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified) = 0; virtual void SaveEtag (const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified) = 0;
virtual bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified) = 0; virtual bool GetEtag (const i2p::data::IdentHash& subscription, std::string& etag, std::string& lastModified) = 0;
@ -61,11 +75,11 @@ namespace client
void StartResolvers (); void StartResolvers ();
void Stop (); void Stop ();
bool GetIdentHash (const std::string& address, i2p::data::IdentHash& ident); bool GetIdentHash (const std::string& address, i2p::data::IdentHash& ident);
std::shared_ptr<const i2p::data::IdentityEx> GetAddress (const std::string& address); std::shared_ptr<const i2p::data::IdentityEx> GetFullAddress (const std::string& address);
const i2p::data::IdentHash * FindAddress (const std::string& address); std::shared_ptr<const Address> FindAddress (const std::string& address);
void LookupAddress (const std::string& address); void LookupAddress (const std::string& address);
void InsertAddress (const std::string& address, const std::string& base64); // for jump service void InsertAddress (const std::string& address, const std::string& base64); // for jump service
void InsertAddress (std::shared_ptr<const i2p::data::IdentityEx> address); void InsertFullAddress (std::shared_ptr<const i2p::data::IdentityEx> address);
bool LoadHostsFromStream (std::istream& f, bool is_update); bool LoadHostsFromStream (std::istream& f, bool is_update);
void DownloadComplete (bool success, const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified); void DownloadComplete (bool success, const i2p::data::IdentHash& subscription, const std::string& etag, const std::string& lastModified);
@ -93,7 +107,7 @@ namespace client
private: private:
std::mutex m_AddressBookMutex; std::mutex m_AddressBookMutex;
std::map<std::string, i2p::data::IdentHash> m_Addresses; std::map<std::string, std::shared_ptr<Address> > m_Addresses;
std::map<i2p::data::IdentHash, std::shared_ptr<AddressResolver> > m_Resolvers; // local destination->resolver std::map<i2p::data::IdentHash, std::shared_ptr<AddressResolver> > m_Resolvers; // local destination->resolver
std::mutex m_LookupsMutex; std::mutex m_LookupsMutex;
std::map<uint32_t, std::string> m_Lookups; // nonce -> address std::map<uint32_t, std::string> m_Lookups; // nonce -> address

8
libi2pd_client/SAM.cpp
Unescape View File

@ -467,7 +467,7 @@ namespace client
size_t l = dest->FromBase64(destination); size_t l = dest->FromBase64(destination);
if (l > 0) if (l > 0)
{ {
context.GetAddressBook().InsertAddress(dest); context.GetAddressBook().InsertFullAddress(dest);
auto leaseSet = session->localDestination->FindLeaseSet(dest->GetIdentHash()); auto leaseSet = session->localDestination->FindLeaseSet(dest->GetIdentHash());
if (leaseSet) if (leaseSet)
Connect(leaseSet); Connect(leaseSet);
@ -615,7 +615,7 @@ namespace client
auto dest = session == nullptr ? context.GetSharedLocalDestination() : session->localDestination; auto dest = session == nullptr ? context.GetSharedLocalDestination() : session->localDestination;
if (name == "ME") if (name == "ME")
SendNamingLookupReply (dest->GetIdentity ()); SendNamingLookupReply (dest->GetIdentity ());
else if ((identity = context.GetAddressBook ().GetAddress (name)) != nullptr) else if ((identity = context.GetAddressBook ().GetFullAddress (name)) != nullptr)
SendNamingLookupReply (identity); SendNamingLookupReply (identity);
else if (context.GetAddressBook ().GetIdentHash (name, ident)) else if (context.GetAddressBook ().GetIdentHash (name, ident))
{ {
@ -654,7 +654,7 @@ namespace client
{ {
if (leaseSet) if (leaseSet)
{ {
context.GetAddressBook ().InsertAddress (leaseSet->GetIdentity ()); context.GetAddressBook ().InsertFullAddress (leaseSet->GetIdentity ());
SendNamingLookupReply (leaseSet->GetIdentity ()); SendNamingLookupReply (leaseSet->GetIdentity ());
} }
else else
@ -844,7 +844,7 @@ namespace client
m_SocketType = eSAMSocketTypeStream; m_SocketType = eSAMSocketTypeStream;
m_IsAccepting = false; m_IsAccepting = false;
m_Stream = stream; m_Stream = stream;
context.GetAddressBook ().InsertAddress (stream->GetRemoteIdentity ()); context.GetAddressBook ().InsertFullAddress (stream->GetRemoteIdentity ());
auto session = m_Owner.FindSession (m_ID); auto session = m_Owner.FindSession (m_ID);
if (session) if (session)
{ {

Write Preview
Loading…
Cancel
Save