Encrypted messaging app
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7.3 KiB

package Seeder
import (
"encoding/base64"
"git.tovijaeschke.xyz/tovi/Envelope/Backend/Database"
"github.com/gofrs/uuid"
)
func seedMessage(
primaryUser, secondaryUser Database.User,
primaryUserAssociationKey, secondaryUserAssociationKey string,
i int,
) error {
var (
message Database.Message
messageData Database.MessageData
key, userKey AesKey
keyCiphertext []byte
plaintext string
dataCiphertext []byte
senderIDCiphertext []byte
err error
)
plaintext = "Test Message"
userKey, err = GenerateAesKey()
if err != nil {
panic(err)
}
key, err = GenerateAesKey()
if err != nil {
panic(err)
}
dataCiphertext, err = key.AesEncrypt([]byte(plaintext))
if err != nil {
panic(err)
}
senderIDCiphertext, err = key.AesEncrypt([]byte(primaryUser.ID.String()))
if err != nil {
panic(err)
}
if i%2 == 0 {
senderIDCiphertext, err = key.AesEncrypt([]byte(secondaryUser.ID.String()))
if err != nil {
panic(err)
}
}
keyCiphertext, err = userKey.AesEncrypt(
[]byte(base64.StdEncoding.EncodeToString(key.Key)),
)
if err != nil {
panic(err)
}
messageData = Database.MessageData{
Data: base64.StdEncoding.EncodeToString(dataCiphertext),
SenderID: base64.StdEncoding.EncodeToString(senderIDCiphertext),
SymmetricKey: base64.StdEncoding.EncodeToString(keyCiphertext),
}
message = Database.Message{
MessageData: messageData,
SymmetricKey: base64.StdEncoding.EncodeToString(
EncryptWithPublicKey(userKey.Key, decodedPublicKey),
),
AssociationKey: primaryUserAssociationKey,
}
err = (&message).CreateMessage()
if err != nil {
return err
}
message = Database.Message{
MessageData: messageData,
SymmetricKey: base64.StdEncoding.EncodeToString(
EncryptWithPublicKey(userKey.Key, decodedPublicKey),
),
AssociationKey: secondaryUserAssociationKey,
}
return (&message).CreateMessage()
}
func seedConversationDetail(key AesKey) (Database.ConversationDetail, error) {
var (
conversationDetail Database.ConversationDetail
name string
nameCiphertext []byte
falseCiphertext []byte
trueCiphertext []byte
err error
)
name = "Test Conversation"
nameCiphertext, err = key.AesEncrypt([]byte(name))
if err != nil {
panic(err)
}
falseCiphertext, err = key.AesEncrypt([]byte("false"))
if err != nil {
panic(err)
}
trueCiphertext, err = key.AesEncrypt([]byte("true"))
if err != nil {
panic(err)
}
conversationDetail = Database.ConversationDetail{
Name: base64.StdEncoding.EncodeToString(nameCiphertext),
TwoUser: base64.StdEncoding.EncodeToString(falseCiphertext),
AdminAddMembers: base64.StdEncoding.EncodeToString(trueCiphertext),
AdminEditInfo: base64.StdEncoding.EncodeToString(trueCiphertext),
AdminSendMessages: base64.StdEncoding.EncodeToString(falseCiphertext),
}
err = (&conversationDetail).CreateConversationDetail()
return conversationDetail, err
}
func seedUserConversation(
user Database.User,
threadID uuid.UUID,
key AesKey,
) (Database.UserConversation, error) {
var (
messageThreadUser Database.UserConversation
conversationDetailIDCiphertext []byte
adminCiphertext []byte
err error
)
conversationDetailIDCiphertext, err = key.AesEncrypt([]byte(threadID.String()))
if err != nil {
return messageThreadUser, err
}
adminCiphertext, err = key.AesEncrypt([]byte("true"))
if err != nil {
return messageThreadUser, err
}
messageThreadUser = Database.UserConversation{
UserID: user.ID,
ConversationDetailID: base64.StdEncoding.EncodeToString(conversationDetailIDCiphertext),
Admin: base64.StdEncoding.EncodeToString(adminCiphertext),
SymmetricKey: base64.StdEncoding.EncodeToString(
EncryptWithPublicKey(key.Key, decodedPublicKey),
),
}
err = (&messageThreadUser).CreateUserConversation()
return messageThreadUser, err
}
func seedConversationDetailUser(
user Database.User,
conversationDetail Database.ConversationDetail,
associationKey uuid.UUID,
admin bool,
key AesKey,
) (Database.ConversationDetailUser, error) {
var (
conversationDetailUser Database.ConversationDetailUser
userIDCiphertext []byte
usernameCiphertext []byte
adminCiphertext []byte
associationKeyCiphertext []byte
publicKeyCiphertext []byte
adminString = "false"
err error
)
if admin {
adminString = "true"
}
userIDCiphertext, err = key.AesEncrypt([]byte(user.ID.String()))
if err != nil {
return conversationDetailUser, err
}
usernameCiphertext, err = key.AesEncrypt([]byte(user.Username))
if err != nil {
return conversationDetailUser, err
}
adminCiphertext, err = key.AesEncrypt([]byte(adminString))
if err != nil {
return conversationDetailUser, err
}
associationKeyCiphertext, err = key.AesEncrypt([]byte(associationKey.String()))
if err != nil {
return conversationDetailUser, err
}
publicKeyCiphertext, err = key.AesEncrypt([]byte(user.AsymmetricPublicKey))
if err != nil {
return conversationDetailUser, err
}
conversationDetailUser = Database.ConversationDetailUser{
ConversationDetailID: conversationDetail.ID,
UserID: base64.StdEncoding.EncodeToString(userIDCiphertext),
Username: base64.StdEncoding.EncodeToString(usernameCiphertext),
Admin: base64.StdEncoding.EncodeToString(adminCiphertext),
AssociationKey: base64.StdEncoding.EncodeToString(associationKeyCiphertext),
PublicKey: base64.StdEncoding.EncodeToString(publicKeyCiphertext),
}
err = (&conversationDetailUser).CreateConversationDetailUser()
return conversationDetailUser, err
}
// SeedMessages seeds messages & conversations for testing
func SeedMessages() {
var (
conversationDetail Database.ConversationDetail
key AesKey
primaryUser Database.User
primaryUserAssociationKey uuid.UUID
secondaryUser Database.User
secondaryUserAssociationKey uuid.UUID
i int
err error
)
key, err = GenerateAesKey()
if err != nil {
panic(err)
}
conversationDetail, err = seedConversationDetail(key)
primaryUserAssociationKey, err = uuid.NewV4()
if err != nil {
panic(err)
}
secondaryUserAssociationKey, err = uuid.NewV4()
if err != nil {
panic(err)
}
primaryUser, err = Database.GetUserByUsername("testUser")
if err != nil {
panic(err)
}
_, err = seedUserConversation(
primaryUser,
conversationDetail.ID,
key,
)
if err != nil {
panic(err)
}
secondaryUser, err = Database.GetUserByUsername("ATestUser2")
if err != nil {
panic(err)
}
_, err = seedUserConversation(
secondaryUser,
conversationDetail.ID,
key,
)
if err != nil {
panic(err)
}
_, err = seedConversationDetailUser(
primaryUser,
conversationDetail,
primaryUserAssociationKey,
true,
key,
)
if err != nil {
panic(err)
}
_, err = seedConversationDetailUser(
secondaryUser,
conversationDetail,
secondaryUserAssociationKey,
false,
key,
)
if err != nil {
panic(err)
}
for i = 0; i <= 100; i++ {
err = seedMessage(
primaryUser,
secondaryUser,
primaryUserAssociationKey.String(),
secondaryUserAssociationKey.String(),
i,
)
if err != nil {
panic(err)
}
}
}