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https://github.com/minetest/minetest.git
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ce5b0932f8
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914dbeaa0b
@ -26,6 +26,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "log.h"
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#include "filesys.h"
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#include "exceptions.h"
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#include "util/serialize.h"
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#include "util/string.h"
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#include "leveldb/db.h"
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@ -97,5 +98,100 @@ void Database_LevelDB::listAllLoadableBlocks(std::vector<v3s16> &dst)
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delete it;
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}
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#endif // USE_LEVELDB
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AuthDatabaseLevelDB::AuthDatabaseLevelDB(const std::string &savedir)
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{
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leveldb::Options options;
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options.create_if_missing = true;
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leveldb::Status status = leveldb::DB::Open(options,
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savedir + DIR_DELIM + "auth.db", &m_database);
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ENSURE_STATUS_OK(status);
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}
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AuthDatabaseLevelDB::~AuthDatabaseLevelDB()
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{
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delete m_database;
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}
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bool AuthDatabaseLevelDB::getAuth(const std::string &name, AuthEntry &res)
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{
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std::string raw;
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leveldb::Status s = m_database->Get(leveldb::ReadOptions(), name, &raw);
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if (!s.ok())
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return false;
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std::istringstream is(raw);
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/*
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u8 version = 1
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std::string password
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u16 number of privileges
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for each privilege {
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std::string privilege
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}
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s64 last_login
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*/
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if (readU8(is) > 1)
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return false;
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res.id = 1;
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res.name = name;
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res.password = deSerializeString(is);
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u16 privilege_count = readU16(is);
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res.privileges.clear();
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res.privileges.reserve(privilege_count);
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for (u16 i = 0; i < privilege_count; i++) {
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res.privileges.push_back(deSerializeString(is));
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}
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res.last_login = readS64(is);
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return true;
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}
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bool AuthDatabaseLevelDB::saveAuth(const AuthEntry &authEntry)
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{
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std::ostringstream os;
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writeU8(os, 1);
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os << serializeString(authEntry.password);
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size_t privilege_count = authEntry.privileges.size();
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FATAL_ERROR_IF(privilege_count > U16_MAX,
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"Unsupported number of privileges");
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writeU16(os, privilege_count);
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for (const std::string &privilege : authEntry.privileges) {
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os << serializeString(privilege);
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}
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writeS64(os, authEntry.last_login);
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leveldb::Status s = m_database->Put(leveldb::WriteOptions(),
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authEntry.name, os.str());
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return s.ok();
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}
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bool AuthDatabaseLevelDB::createAuth(AuthEntry &authEntry)
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{
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return saveAuth(authEntry);
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}
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bool AuthDatabaseLevelDB::deleteAuth(const std::string &name)
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{
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leveldb::Status s = m_database->Delete(leveldb::WriteOptions(), name);
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return s.ok();
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}
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void AuthDatabaseLevelDB::listNames(std::vector<std::string> &res)
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{
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leveldb::Iterator* it = m_database->NewIterator(leveldb::ReadOptions());
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res.clear();
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for (it->SeekToFirst(); it->Valid(); it->Next()) {
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res.emplace_back(it->key().ToString());
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}
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delete it;
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}
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void AuthDatabaseLevelDB::reload()
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{
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// No-op for LevelDB.
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}
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#endif // USE_LEVELDB
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leveldb::DB *m_database;
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};
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class AuthDatabaseLevelDB : public AuthDatabase
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{
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public:
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AuthDatabaseLevelDB(const std::string &savedir);
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virtual ~AuthDatabaseLevelDB();
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virtual bool getAuth(const std::string &name, AuthEntry &res);
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virtual bool saveAuth(const AuthEntry &authEntry);
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virtual bool createAuth(AuthEntry &authEntry);
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virtual bool deleteAuth(const std::string &name);
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virtual void listNames(std::vector<std::string> &res);
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virtual void reload();
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private:
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leveldb::DB *m_database;
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};
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#endif // USE_LEVELDB
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@ -44,6 +44,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#if USE_POSTGRESQL
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#include "database/database-postgresql.h"
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#endif
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#if USE_LEVELDB
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#include "database/database-leveldb.h"
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#endif
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#include "server/luaentity_sao.h"
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#include "server/player_sao.h"
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@ -2187,6 +2190,11 @@ AuthDatabase *ServerEnvironment::openAuthDatabase(
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if (name == "files")
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return new AuthDatabaseFiles(savedir);
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#if USE_LEVELDB
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if (name == "leveldb")
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return new AuthDatabaseLevelDB(savedir);
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#endif
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throw BaseException(std::string("Database backend ") + name + " not supported.");
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}
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