Files
infisical/cli/packages/util/secrets.go
2023-01-19 17:05:18 -08:00

298 lines
10 KiB
Go

package util
import (
"encoding/base64"
"fmt"
"os"
"regexp"
"strings"
"github.com/Infisical/infisical-merge/packages/api"
"github.com/Infisical/infisical-merge/packages/crypto"
"github.com/Infisical/infisical-merge/packages/models"
log "github.com/sirupsen/logrus"
"github.com/go-resty/resty/v2"
)
func GetPlainTextSecretsViaServiceToken(fullServiceToken string) ([]models.SingleEnvironmentVariable, error) {
serviceTokenParts := strings.SplitN(fullServiceToken, ".", 4)
if len(serviceTokenParts) < 4 {
return nil, fmt.Errorf("invalid service token entered. Please double check your service token and try again")
}
serviceToken := fmt.Sprintf("%v.%v.%v", serviceTokenParts[0], serviceTokenParts[1], serviceTokenParts[2])
httpClient := resty.New()
httpClient.SetAuthToken(serviceToken).
SetHeader("Accept", "application/json")
serviceTokenDetails, err := api.CallGetServiceTokenDetailsV2(httpClient)
if err != nil {
return nil, fmt.Errorf("unable to get service token details. [err=%v]", err)
}
encryptedSecrets, err := api.CallGetSecretsV2(httpClient, api.GetEncryptedSecretsV2Request{
WorkspaceId: serviceTokenDetails.Workspace,
Environment: serviceTokenDetails.Environment,
})
if err != nil {
return nil, err
}
decodedSymmetricEncryptionDetails, err := GetBase64DecodedSymmetricEncryptionDetails(serviceTokenParts[3], serviceTokenDetails.EncryptedKey, serviceTokenDetails.Iv, serviceTokenDetails.Tag)
if err != nil {
return nil, fmt.Errorf("unable to decode symmetric encryption details [err=%v]", err)
}
plainTextWorkspaceKey, err := crypto.DecryptSymmetric([]byte(serviceTokenParts[3]), decodedSymmetricEncryptionDetails.Cipher, decodedSymmetricEncryptionDetails.Tag, decodedSymmetricEncryptionDetails.IV)
if err != nil {
return nil, fmt.Errorf("unable to decrypt the required workspace key")
}
plainTextSecrets, err := GetPlainTextSecrets(plainTextWorkspaceKey, encryptedSecrets)
if err != nil {
return nil, fmt.Errorf("unable to decrypt your secrets [err=%v]", err)
}
return plainTextSecrets, nil
}
func GetPlainTextSecretsViaJTW(JTWToken string, receiversPrivateKey string, workspaceId string, environmentName string) ([]models.SingleEnvironmentVariable, error) {
httpClient := resty.New()
httpClient.SetAuthToken(JTWToken).
SetHeader("Accept", "application/json")
request := api.GetEncryptedWorkspaceKeyRequest{
WorkspaceId: workspaceId,
}
workspaceKeyResponse, err := api.CallGetEncryptedWorkspaceKey(httpClient, request)
if err != nil {
return nil, fmt.Errorf("unable to get your encrypted workspace key. [err=%v]", err)
}
encryptedWorkspaceKey, _ := base64.StdEncoding.DecodeString(workspaceKeyResponse.EncryptedKey)
encryptedWorkspaceKeySenderPublicKey, _ := base64.StdEncoding.DecodeString(workspaceKeyResponse.Sender.PublicKey)
encryptedWorkspaceKeyNonce, _ := base64.StdEncoding.DecodeString(workspaceKeyResponse.Nonce)
currentUsersPrivateKey, _ := base64.StdEncoding.DecodeString(receiversPrivateKey)
plainTextWorkspaceKey := crypto.DecryptAsymmetric(encryptedWorkspaceKey, encryptedWorkspaceKeyNonce, encryptedWorkspaceKeySenderPublicKey, currentUsersPrivateKey)
encryptedSecrets, err := api.CallGetSecretsV2(httpClient, api.GetEncryptedSecretsV2Request{
WorkspaceId: workspaceId,
Environment: environmentName,
})
if err != nil {
return nil, err
}
plainTextSecrets, err := GetPlainTextSecrets(plainTextWorkspaceKey, encryptedSecrets)
if err != nil {
return nil, fmt.Errorf("unable to decrypt your secrets [err=%v]", err)
}
return plainTextSecrets, nil
}
func GetAllEnvironmentVariables(envName string) ([]models.SingleEnvironmentVariable, error) {
infisicalToken := os.Getenv(INFISICAL_TOKEN_NAME)
if infisicalToken == "" {
RequireLocalWorkspaceFile()
RequireLogin()
log.Debug("Trying to fetch secrets using logged in details")
loggedInUserDetails, err := GetCurrentLoggedInUserDetails()
if err != nil {
return nil, err
}
workspaceFile, err := GetWorkSpaceFromFile()
if err != nil {
return nil, err
}
secrets, err := GetPlainTextSecretsViaJTW(loggedInUserDetails.UserCredentials.JTWToken, loggedInUserDetails.UserCredentials.PrivateKey, workspaceFile.WorkspaceId, envName)
return secrets, err
} else {
log.Debug("Trying to fetch secrets using service token")
return GetPlainTextSecretsViaServiceToken(infisicalToken)
}
}
func getExpandedEnvVariable(secrets []models.SingleEnvironmentVariable, variableWeAreLookingFor string, hashMapOfCompleteVariables map[string]string, hashMapOfSelfRefs map[string]string) string {
if value, found := hashMapOfCompleteVariables[variableWeAreLookingFor]; found {
return value
}
for _, secret := range secrets {
if secret.Key == variableWeAreLookingFor {
regex := regexp.MustCompile(`\${([^\}]*)}`)
variablesToPopulate := regex.FindAllString(secret.Value, -1)
// case: variable is a constant so return its value
if len(variablesToPopulate) == 0 {
return secret.Value
}
valueToEdit := secret.Value
for _, variableWithSign := range variablesToPopulate {
variableWithoutSign := strings.Trim(variableWithSign, "}")
variableWithoutSign = strings.Trim(variableWithoutSign, "${")
// case: reference to self
if variableWithoutSign == secret.Key {
hashMapOfSelfRefs[variableWithoutSign] = variableWithoutSign
continue
} else {
var expandedVariableValue string
if preComputedVariable, found := hashMapOfCompleteVariables[variableWithoutSign]; found {
expandedVariableValue = preComputedVariable
} else {
expandedVariableValue = getExpandedEnvVariable(secrets, variableWithoutSign, hashMapOfCompleteVariables, hashMapOfSelfRefs)
hashMapOfCompleteVariables[variableWithoutSign] = expandedVariableValue
}
// If after expanding all the vars above, is the current var a self ref? if so no replacement needed for it
if _, found := hashMapOfSelfRefs[variableWithoutSign]; found {
continue
} else {
valueToEdit = strings.ReplaceAll(valueToEdit, variableWithSign, expandedVariableValue)
}
}
}
return valueToEdit
} else {
continue
}
}
return "${" + variableWeAreLookingFor + "}"
}
func SubstituteSecrets(secrets []models.SingleEnvironmentVariable) []models.SingleEnvironmentVariable {
hashMapOfCompleteVariables := make(map[string]string)
hashMapOfSelfRefs := make(map[string]string)
expandedSecrets := []models.SingleEnvironmentVariable{}
for _, secret := range secrets {
expandedVariable := getExpandedEnvVariable(secrets, secret.Key, hashMapOfCompleteVariables, hashMapOfSelfRefs)
expandedSecrets = append(expandedSecrets, models.SingleEnvironmentVariable{
Key: secret.Key,
Value: expandedVariable,
Type: secret.Type,
})
}
return expandedSecrets
}
func OverrideSecrets(secrets []models.SingleEnvironmentVariable, secretType string) []models.SingleEnvironmentVariable {
personalSecrets := make(map[string]models.SingleEnvironmentVariable)
sharedSecrets := make(map[string]models.SingleEnvironmentVariable)
secretsToReturn := []models.SingleEnvironmentVariable{}
secretsToReturnMap := make(map[string]models.SingleEnvironmentVariable)
for _, secret := range secrets {
if secret.Type == PERSONAL_SECRET_TYPE_NAME {
personalSecrets[secret.Key] = secret
}
if secret.Type == SHARED_SECRET_TYPE_NAME {
sharedSecrets[secret.Key] = secret
}
}
if secretType == PERSONAL_SECRET_TYPE_NAME {
for _, secret := range secrets {
if personalSecret, exists := personalSecrets[secret.Key]; exists {
secretsToReturnMap[secret.Key] = personalSecret
} else {
if _, exists = secretsToReturnMap[secret.Key]; !exists {
secretsToReturnMap[secret.Key] = secret
}
}
}
} else if secretType == SHARED_SECRET_TYPE_NAME {
for _, secret := range secrets {
if sharedSecret, exists := sharedSecrets[secret.Key]; exists {
secretsToReturnMap[secret.Key] = sharedSecret
} else {
if _, exists := secretsToReturnMap[secret.Key]; !exists {
secretsToReturnMap[secret.Key] = secret
}
}
}
}
for _, secret := range secretsToReturnMap {
secretsToReturn = append(secretsToReturn, secret)
}
return secretsToReturn
}
func GetPlainTextSecrets(key []byte, encryptedSecrets api.GetEncryptedSecretsV2Response) ([]models.SingleEnvironmentVariable, error) {
plainTextSecrets := []models.SingleEnvironmentVariable{}
for _, secret := range encryptedSecrets.Secrets {
// Decrypt key
key_iv, err := base64.StdEncoding.DecodeString(secret.SecretKeyIV)
if err != nil {
return nil, fmt.Errorf("unable to decode secret IV for secret key")
}
key_tag, err := base64.StdEncoding.DecodeString(secret.SecretKeyTag)
if err != nil {
return nil, fmt.Errorf("unable to decode secret authentication tag for secret key")
}
key_ciphertext, err := base64.StdEncoding.DecodeString(secret.SecretKeyCiphertext)
if err != nil {
return nil, fmt.Errorf("unable to decode secret cipher text for secret key")
}
plainTextKey, err := crypto.DecryptSymmetric(key, key_ciphertext, key_tag, key_iv)
if err != nil {
return nil, fmt.Errorf("unable to symmetrically decrypt secret key")
}
// Decrypt value
value_iv, err := base64.StdEncoding.DecodeString(secret.SecretValueIV)
if err != nil {
return nil, fmt.Errorf("unable to decode secret IV for secret value")
}
value_tag, err := base64.StdEncoding.DecodeString(secret.SecretValueTag)
if err != nil {
return nil, fmt.Errorf("unable to decode secret authentication tag for secret value")
}
value_ciphertext, _ := base64.StdEncoding.DecodeString(secret.SecretValueCiphertext)
if err != nil {
return nil, fmt.Errorf("unable to decode secret cipher text for secret key")
}
plainTextValue, err := crypto.DecryptSymmetric(key, value_ciphertext, value_tag, value_iv)
if err != nil {
return nil, fmt.Errorf("unable to symmetrically decrypt secret value")
}
plainTextSecret := models.SingleEnvironmentVariable{
Key: string(plainTextKey),
Value: string(plainTextValue),
Type: string(secret.Type),
ID: secret.ID,
}
plainTextSecrets = append(plainTextSecrets, plainTextSecret)
}
return plainTextSecrets, nil
}