73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
package server
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"forge.redroom.link/yves/meowlib"
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"github.com/ProtonMail/gopenpgp/v2/helper"
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)
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const key = "3pw0c8#6ZG8{75b5;3?fe80$2"
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type Identity struct {
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ServerName string `json:"servername,omitempty"`
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ServerDesc string `json:"serverdesc,omitempty"`
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ServerKp meowlib.KeyPair `json:"server_kp,omitempty"`
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Status string `json:"status,omitempty"`
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// KnownServers ServerList `json:"known_servers,omitempty"`
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}
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func CreateIdentity(ServerName string, ServerDesc string) *Identity {
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var id Identity
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id.ServerName = ServerName
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id.ServerDesc = ServerDesc
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id.ServerKp = meowlib.NewKeyPair()
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return &id
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}
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func LoadIdentity(File string) (*Identity, error) {
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var id Identity
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indata, err := ioutil.ReadFile(File)
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if err != nil {
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return nil, err
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}
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pass, err := helper.DecryptMessageWithPassword([]byte(key), string(indata))
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if err != nil {
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return nil, err
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}
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err = json.Unmarshal([]byte(pass), &id)
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return &id, err
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}
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func (id *Identity) Save(file string) error {
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b, _ := json.Marshal(id)
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armor, err := helper.EncryptMessageWithPassword([]byte(key), string(b))
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if err != nil {
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return err
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}
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err = ioutil.WriteFile(file, []byte(armor), 0644)
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return err
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}
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// AsymEncryptMessage prepares a message to send to a specific client contact
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func (id *Identity) AsymEncryptMessage(ClientPublicKey string, Message []byte) (EncryptedMsg []byte, Signature []byte, err error) {
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EncryptedMsg, Signature, err = meowlib.AsymEncryptAndSign(ClientPublicKey, id.ServerKp.Private, Message)
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if err != nil {
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fmt.Println(err.Error())
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return nil, nil, err
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}
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return EncryptedMsg, Signature, err
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}
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// AsymDecryptMessage reads a message from a specific client contact
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func (id *Identity) AsymDecryptMessage(ClientPublicKey string, Message []byte, Signature []byte) (DecryptedMsg []byte, err error) {
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DecryptedMsg, err = meowlib.AsymDecryptAndCheck(id.ServerKp.Private, ClientPublicKey, Message, Signature)
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if err != nil {
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fmt.Println(err.Error())
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return nil, err
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}
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return DecryptedMsg, err
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}
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