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/*
* This file is part of caronte (https://github.com/eciavatta/caronte).
* Copyright (c) 2020 Emiliano Ciavatta.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"github.com/gin-gonic/gin"
log "github.com/sirupsen/logrus"
)
type Config struct {
ServerAddress string `json:"server_address" binding:"required,ip|cidr" bson:"server_address"`
FlagRegex string `json:"flag_regex" binding:"required,min=8" bson:"flag_regex"`
AuthRequired bool `json:"auth_required" bson:"auth_required"`
}
type ApplicationContext struct {
Storage Storage
Config Config
Accounts gin.Accounts
RulesManager RulesManager
PcapImporter *PcapImporter
ConnectionsController ConnectionsController
ServicesController *ServicesController
ConnectionStreamsController ConnectionStreamsController
SearchController *SearchController
StatisticsController StatisticsController
IsConfigured bool
Version string
}
func CreateApplicationContext(storage Storage, version string) (*ApplicationContext, error) {
var configWrapper struct {
Config Config
}
if err := storage.Find(Settings).Filter(OrderedDocument{{"_id", "config"}}).
First(&configWrapper); err != nil {
return nil, err
}
var accountsWrapper struct {
Accounts gin.Accounts
}
if err := storage.Find(Settings).Filter(OrderedDocument{{"_id", "accounts"}}).
First(&accountsWrapper); err != nil {
return nil, err
}
if accountsWrapper.Accounts == nil {
accountsWrapper.Accounts = make(gin.Accounts)
}
applicationContext := &ApplicationContext{
Storage: storage,
Config: configWrapper.Config,
Accounts: accountsWrapper.Accounts,
Version: version,
}
applicationContext.configure()
return applicationContext, nil
}
func (sm *ApplicationContext) SetConfig(config Config) {
sm.Config = config
sm.configure()
var upsertResults interface{}
if _, err := sm.Storage.Update(Settings).Upsert(&upsertResults).
Filter(OrderedDocument{{"_id", "config"}}).One(UnorderedDocument{"config": config}); err != nil {
log.WithError(err).WithField("config", config).Error("failed to update config")
}
}
func (sm *ApplicationContext) SetAccounts(accounts gin.Accounts) {
sm.Accounts = accounts
var upsertResults interface{}
if _, err := sm.Storage.Update(Settings).Upsert(&upsertResults).
Filter(OrderedDocument{{"_id", "accounts"}}).One(UnorderedDocument{"accounts": accounts}); err != nil {
log.WithError(err).Error("failed to update accounts")
}
}
func (sm *ApplicationContext) configure() {
if sm.IsConfigured {
return
}
if sm.Config.ServerAddress == "" || sm.Config.FlagRegex == "" {
return
}
serverNet := ParseIPNet(sm.Config.ServerAddress)
if serverNet == nil {
return
}
rulesManager, err := LoadRulesManager(sm.Storage, sm.Config.FlagRegex)
if err != nil {
log.WithError(err).Panic("failed to create a RulesManager")
}
sm.RulesManager = rulesManager
sm.PcapImporter = NewPcapImporter(sm.Storage, *serverNet, sm.RulesManager)
sm.ServicesController = NewServicesController(sm.Storage)
sm.SearchController = NewSearchController(sm.Storage)
sm.ConnectionsController = NewConnectionsController(sm.Storage, sm.SearchController, sm.ServicesController)
sm.ConnectionStreamsController = NewConnectionStreamsController(sm.Storage)
sm.StatisticsController = NewStatisticsController(sm.Storage)
sm.IsConfigured = true
}
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