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Encrypt migration credentials at rest (#15895) (#16187)

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Backport #15895

Storing these credentials is a liability.

* Encrypt credentials with SECRET_KEY before persisting to task queue table (they need to be persisted due to the nature of the task queue)
  - security in depth: helps when attacker has access to DB only, but not app.ini
* Delete all credentials (even encrypted) from the task table, once the migration is done, for safety
  - security in depth: minimizes leaked data if attacker gains access to snapshot of both DB and app.ini
This commit is contained in:
zeripath
2021-06-17 21:59:28 +01:00
committed by GitHub
parent 5ff807acde
commit 544ef7d394
3 changed files with 69 additions and 5 deletions
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11
modules/migrations/base/options.go
View File

@@ -11,10 +11,13 @@ import "code.gitea.io/gitea/modules/structs"
// this is for internal usage by migrations module and func who interact with it
type MigrateOptions struct {
// required: true
CloneAddr string `json:"clone_addr" binding:"Required"`
AuthUsername string `json:"auth_username"`
AuthPassword string `json:"auth_password"`
AuthToken string `json:"auth_token"`
CloneAddr string `json:"clone_addr" binding:"Required"`
CloneAddrEncrypted string `json:"clone_addr_encrypted,omitempty"`
AuthUsername string `json:"auth_username"`
AuthPassword string `json:"auth_password,omitempty"`
AuthPasswordEncrypted string `json:"auth_password_encrypted,omitempty"`
AuthToken string `json:"auth_token,omitempty"`
AuthTokenEncrypted string `json:"auth_token_encrypted,omitempty"`
// required: true
UID int `json:"uid" binding:"Required"`
// required: true

21
modules/task/task.go
View File

@@ -13,8 +13,11 @@ import (
"code.gitea.io/gitea/modules/migrations/base"
"code.gitea.io/gitea/modules/queue"
repo_module "code.gitea.io/gitea/modules/repository"
"code.gitea.io/gitea/modules/secret"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
jsoniter "github.com/json-iterator/go"
)
@@ -65,6 +68,24 @@ func MigrateRepository(doer, u *models.User, opts base.MigrateOptions) error {
// CreateMigrateTask creates a migrate task
func CreateMigrateTask(doer, u *models.User, opts base.MigrateOptions) (*models.Task, error) {
// encrypt credentials for persistence
var err error
opts.CloneAddrEncrypted, err = secret.EncryptSecret(setting.SecretKey, opts.CloneAddr)
if err != nil {
return nil, err
}
opts.CloneAddr = util.SanitizeURLCredentials(opts.CloneAddr, true)
opts.AuthPasswordEncrypted, err = secret.EncryptSecret(setting.SecretKey, opts.AuthPassword)
if err != nil {
return nil, err
}
opts.AuthPassword = ""
opts.AuthTokenEncrypted, err = secret.EncryptSecret(setting.SecretKey, opts.AuthToken)
if err != nil {
return nil, err
}
opts.AuthToken = ""
json := jsoniter.ConfigCompatibleWithStandardLibrary
bs, err := json.Marshal(&opts)
if err != nil {