127 lines
3.0 KiB
Go
127 lines
3.0 KiB
Go
package main
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import (
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/json"
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"encoding/pem"
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"fmt"
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"io/ioutil"
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"os"
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"time"
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_ "embed"
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"RidgedChat/ui"
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)
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//go:embed "default_config.json"
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var defaultConfig []byte
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// Config holds the client configuration
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type Config struct {
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ServerAddress string `json:"server_address"`
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Username string `json:"username"`
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OfflineMode bool `json:"offline_mode"`
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HeaderVisible bool `json:"header_visible"`
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SidebarVisible bool `json:"sidebar_visible"`
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MainChatVisible bool `json:"mainchat_visible"`
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UserTextEntryVisible bool `json:"usertextentry_visible"`
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SendButtonVisible bool `json:"sendbutton_visible"`
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}
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type KeyManager struct {
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CurrentPrivateKey *rsa.PrivateKey
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NextPrivateKey *rsa.PrivateKey
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CurrentPublicKey []byte
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NextPublicKey []byte
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}
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func (km *KeyManager) GenerateKeyPair() {
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privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
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if err != nil {
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fmt.Println("Error generating key pair:", err)
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return
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}
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publicKeyDer, err := x509.MarshalPKIXPublicKey(&privateKey.PublicKey)
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if err != nil {
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fmt.Println("Error marshaling public key:", err)
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return
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}
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publicKeyBlock := pem.Block{
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Type: "PUBLIC KEY",
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Bytes: publicKeyDer,
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}
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publicKeyPem := pem.EncodeToMemory(&publicKeyBlock)
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km.NextPrivateKey = privateKey
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km.NextPublicKey = publicKeyPem
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}
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func (km *KeyManager) RotateKeys() {
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for {
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time.Sleep(5 * time.Minute)
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km.CurrentPrivateKey = km.NextPrivateKey
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km.CurrentPublicKey = km.NextPublicKey
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km.GenerateKeyPair()
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// notifyClients() // Implement this function
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}
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}
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func ReadConfig(filePath string) (*Config, error) {
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file, err := ioutil.ReadFile(filePath)
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if err != nil {
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return nil, err
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}
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var config Config
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if err := json.Unmarshal(file, &config); err != nil {
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return nil, err
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}
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return &config, nil
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}
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var keyManager = &KeyManager{}
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func main() {
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configPath := "./client_config.json"
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if _, err := os.Stat(configPath); os.IsNotExist(err) {
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ioutil.WriteFile(configPath, defaultConfig, 0644)
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}
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config, err := ReadConfig(configPath)
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if err != nil {
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fmt.Println("Error reading config:", err)
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os.Exit(1)
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}
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client := NewClient(config.ServerAddress, config.Username)
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if !config.OfflineMode {
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if err := client.Connect(); err != nil {
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fmt.Println("Error connecting to server:", err)
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os.Exit(1)
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}
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go client.ListenForMessages()
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// Initialize and start key rotation
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keyManager.GenerateKeyPair()
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keyManager.CurrentPrivateKey = keyManager.NextPrivateKey
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keyManager.CurrentPublicKey = keyManager.NextPublicKey
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keyManager.GenerateKeyPair()
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go keyManager.RotateKeys()
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} else {
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fmt.Println("Running in offline mode. No server connection or key rotation.")
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}
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ui.StartGUI(ui.UIConfig{
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OfflineMode: config.OfflineMode,
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HeaderVisible: config.HeaderVisible,
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SidebarVisible: config.SidebarVisible,
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MainChatVisible: config.MainChatVisible,
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UserTextEntryVisible: config.UserTextEntryVisible,
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SendButtonVisible: config.SendButtonVisible,
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})
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}
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