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pandemonium_engine/modules/web/database/http_session_manager_db.cpp

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/*************************************************************************/
/* http_session_manager_db.cpp */
/*************************************************************************/
/* This file is part of: */
/* PANDEMONIUM ENGINE */
/* https://github.com/Relintai/pandemonium_engine */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "http_session_manager_db.h"
#include "../http/http_session.h"
#include "modules/database/database.h"
#include "modules/database/database_connection.h"
#include "modules/database/database_manager.h"
#include "modules/database/query_builder.h"
#include "modules/database/query_result.h"
#include "modules/database/table_builder.h"
#include "../http/web_server.h"
#include "../http/web_server_cookie.h"
#include "../http/web_server_request.h"
#include "core/bind/core_bind.h"
String HTTPSessionManagerDB::get_database_table_name() {
return _database_table_name;
}
void HTTPSessionManagerDB::set_database_table_name(const String &val) {
_database_table_name = val;
}
String HTTPSessionManagerDB::get_database_data_table_name() {
return _database_data_table_name;
}
void HTTPSessionManagerDB::set_database_data_table_name(const String &val) {
_database_data_table_name = val;
}
Ref<Database> HTTPSessionManagerDB::get_database() {
if (_database.is_valid()) {
return _database;
}
return DatabaseManager::get_singleton()->get_ddb();
}
void HTTPSessionManagerDB::set_database(const Ref<Database> &db) {
_database = db;
// todo send event to children when it's implemented?
}
Ref<DatabaseConnection> HTTPSessionManagerDB::get_database_connection() {
Ref<Database> db = get_database();
ERR_FAIL_COND_V(!db.is_valid(), Ref<DatabaseConnection>());
Ref<DatabaseConnection> conn = db->get_connection();
ERR_FAIL_COND_V(!conn.is_valid(), Ref<DatabaseConnection>());
return conn;
}
Ref<TableBuilder> HTTPSessionManagerDB::get_table_builder() {
Ref<Database> db = get_database();
ERR_FAIL_COND_V(!db.is_valid(), Ref<TableBuilder>());
Ref<DatabaseConnection> conn = db->get_connection();
ERR_FAIL_COND_V(!conn.is_valid(), Ref<TableBuilder>());
return conn->get_table_builder();
}
Ref<QueryBuilder> HTTPSessionManagerDB::get_query_builder() {
Ref<Database> db = get_database();
ERR_FAIL_COND_V(!db.is_valid(), Ref<QueryBuilder>());
Ref<DatabaseConnection> conn = db->get_connection();
ERR_FAIL_COND_V(!conn.is_valid(), Ref<QueryBuilder>());
return conn->get_query_builder();
}
Ref<HTTPSession> HTTPSessionManagerDB::delete_session(const String &session_id) {
Ref<HTTPSession> s = HTTPSessionManager::delete_session(session_id);
if (!s.is_valid()) {
return s;
}
if (!s->id) {
return s;
}
Ref<QueryBuilder> b = get_query_builder();
b->del(_database_data_table_name)->where()->wpi("session_db_id", s->id)->end_command();
b->del(_database_table_name)->where()->wpi("id", s->id)->end_command();
b->run_query();
return s;
}
void HTTPSessionManagerDB::save_session(Ref<HTTPSession> session) {
Ref<QueryBuilder> b = get_query_builder();
if (!session->id) {
b->insert(_database_table_name, "session_id");
b->values();
b->vals(session->session_id);
b->cvalues();
b->end_command();
b->select_last_insert_id();
session->id = b->run()->get_last_insert_rowid();
b->reset();
}
b->del(_database_data_table_name)->where()->wpi("session_db_id", session->id)->end_command();
int id = session->id;
HashMap<String, Variant> *m = session->get_data();
const String *k = NULL;
while ((k = m->next(k))) {
const Variant &val = m->get(*k);
// Maybe it should be allowed?
// Or maybe when adding stuff to the sessions the method should have a store = true bool, if false skip saving
if (val.get_type() == Variant::OBJECT) {
continue;
}
String vb64 = _Marshalls::get_singleton()->variant_to_base64(val);
b->insert(_database_data_table_name, "session_db_id,key,value")->values()->vali(id)->vals(*k)->vals(vb64)->cvalues()->end_command();
}
b->run_query();
}
void HTTPSessionManagerDB::load_sessions() {
clear();
Ref<QueryBuilder> b = get_query_builder();
ERR_FAIL_COND(!b.is_valid());
b->select("id, session_id");
b->from(_database_table_name);
// b->print();
Ref<QueryResult> r = b->run();
while (r->next_row()) {
int id = r->get_cell_int(0);
String session_id = r->get_cell(1);
Ref<HTTPSession> s;
s.instance();
s->id = id;
s->session_id = session_id;
add_session(s);
}
b->reset();
b->select("session_db_id,key,value");
b->from(_database_data_table_name);
// b->print();
r = b->run();
while (r->next_row()) {
int session_db_id = r->get_cell_int(0);
Ref<HTTPSession> s;
for (int i = 0; i < _sessions_vec.size(); ++i) {
Ref<HTTPSession> ss = _sessions_vec[i];
if (ss.is_valid() && session_db_id == ss->id) {
s = ss;
break;
}
}
ERR_CONTINUE_MSG(!s.is_valid(), vformat("Error: HTTPSessionManagerDB::load_sessions(): %d sid doesn't exists!", session_db_id));
String key = r->get_cell(1);
String vb64 = r->get_cell(2);
Variant val = _Marshalls::get_singleton()->base64_to_variant(vb64);
s->add(key, val);
}
}
void HTTPSessionManagerDB::create_table() {
call("_create_table");
}
void HTTPSessionManagerDB::drop_table() {
call("_drop_table");
}
void HTTPSessionManagerDB::update_table(const int p_current_table_version) {
call("_update_table", p_current_table_version);
}
void HTTPSessionManagerDB::create_default_entries(const int p_seed) {
call("_create_default_entries", p_seed);
}
void HTTPSessionManagerDB::_create_table() {
Ref<TableBuilder> tb = get_table_builder();
tb->create_table(_database_table_name);
tb->integer("id")->auto_increment()->next_row();
tb->varchar("session_id", 100)->next_row();
tb->primary_key("id");
tb->ccreate_table();
// tb->print();
tb->run_query();
tb->reset();
tb->create_table(_database_data_table_name);
tb->integer("session_db_id")->not_null()->next_row();
tb->varchar("key", 100)->next_row();
tb->text("value")->not_null()->next_row();
tb->foreign_key("session_db_id");
tb->references(_database_table_name, "id");
tb->ccreate_table();
// tb->print();
tb->run_query();
}
void HTTPSessionManagerDB::_drop_table() {
Ref<TableBuilder> tb = get_table_builder();
tb->drop_table_if_exists(_database_table_name)->run_query();
tb->drop_table_if_exists(_database_data_table_name)->run_query();
}
void HTTPSessionManagerDB::_update_table(const int p_current_table_version) {
}
void HTTPSessionManagerDB::_create_default_entries(const int p_seed) {
}
void HTTPSessionManagerDB::migrate(const bool p_clear, const bool p_should_seed, const int p_seed) {
call("_migrate", p_clear, p_should_seed, p_seed);
}
void HTTPSessionManagerDB::_migrate(const bool p_clear, const bool p_should_seed, const int p_seed) {
if (p_clear) {
drop_table();
create_table();
} else {
#ifdef MODULE_DATABASE_ENABLED
Ref<DatabaseConnection> conn = get_database_connection();
ERR_FAIL_COND(!conn.is_valid());
int ver = conn->get_table_version(_database_table_name);
update_table(ver);
#else
update_table(0);
#endif
}
if (p_should_seed) {
create_default_entries(p_seed);
}
}
HTTPSessionManagerDB::HTTPSessionManagerDB() {
_database_table_name = "http_sessions";
_database_data_table_name = "http_session_data";
}
HTTPSessionManagerDB::~HTTPSessionManagerDB() {
}
void HTTPSessionManagerDB::_notification(const int what) {
switch (what) {
case NOTIFICATION_ENTER_TREE: {
DatabaseManager::get_singleton()->connect("migration", this, "migrate");
} break;
case NOTIFICATION_EXIT_TREE: {
DatabaseManager::get_singleton()->disconnect("migration", this, "migrate");
} break;
default:
break;
}
}
void HTTPSessionManagerDB::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_database_table_name"), &HTTPSessionManagerDB::get_database_table_name);
ClassDB::bind_method(D_METHOD("set_database_table_name", "val"), &HTTPSessionManagerDB::set_database_table_name);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "database_table_name"), "set_database_table_name", "get_database_table_name");
ClassDB::bind_method(D_METHOD("get_database_data_table_name"), &HTTPSessionManagerDB::get_database_data_table_name);
ClassDB::bind_method(D_METHOD("set_database_data_table_name", "val"), &HTTPSessionManagerDB::set_database_data_table_name);
ADD_PROPERTY(PropertyInfo(Variant::STRING, "database_data_table_name"), "set_database_data_table_name", "get_database_data_table_name");
ClassDB::bind_method(D_METHOD("get_database"), &HTTPSessionManagerDB::get_database);
ClassDB::bind_method(D_METHOD("set_database", "val"), &HTTPSessionManagerDB::set_database);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "database", PROPERTY_HINT_RESOURCE_TYPE, "Database", 0), "set_database", "get_database");
ClassDB::bind_method(D_METHOD("get_database_connection"), &HTTPSessionManagerDB::get_database_connection);
ClassDB::bind_method(D_METHOD("get_table_builder"), &HTTPSessionManagerDB::get_table_builder);
ClassDB::bind_method(D_METHOD("get_query_builder"), &HTTPSessionManagerDB::get_query_builder);
BIND_VMETHOD(MethodInfo("_create_table"));
BIND_VMETHOD(MethodInfo("_drop_table"));
BIND_VMETHOD(MethodInfo("_update_table", PropertyInfo(Variant::INT, "current_table_version")));
BIND_VMETHOD(MethodInfo("_create_default_entries", PropertyInfo(Variant::INT, "pseed")));
ClassDB::bind_method(D_METHOD("create_table"), &HTTPSessionManagerDB::create_table);
ClassDB::bind_method(D_METHOD("drop_table"), &HTTPSessionManagerDB::drop_table);
ClassDB::bind_method(D_METHOD("update_table", "current_table_version"), &HTTPSessionManagerDB::update_table);
ClassDB::bind_method(D_METHOD("create_default_entries", "pseed"), &HTTPSessionManagerDB::create_default_entries);
ClassDB::bind_method(D_METHOD("_create_table"), &HTTPSessionManagerDB::_create_table);
ClassDB::bind_method(D_METHOD("_drop_table"), &HTTPSessionManagerDB::_drop_table);
ClassDB::bind_method(D_METHOD("_update_table", "current_table_version"), &HTTPSessionManagerDB::_update_table);
ClassDB::bind_method(D_METHOD("_create_default_entries", "pseed"), &HTTPSessionManagerDB::_create_default_entries);
BIND_VMETHOD(MethodInfo("_migrate", PropertyInfo(Variant::BOOL, "clear"), PropertyInfo(Variant::BOOL, "should_seed"), PropertyInfo(Variant::INT, "pseed")));
ClassDB::bind_method(D_METHOD("migrate", "clear", "pseed"), &HTTPSessionManagerDB::migrate);
ClassDB::bind_method(D_METHOD("_migrate", "clear", "pseed"), &HTTPSessionManagerDB::_migrate);
}
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