Files
photoprism/internal/api/users_passcode.go
2024-03-31 14:45:17 +02:00

260 lines
8.1 KiB
Go

package api
import (
"errors"
"net/http"
"github.com/dustin/go-humanize/english"
"github.com/gin-gonic/gin"
"github.com/photoprism/photoprism/internal/acl"
"github.com/photoprism/photoprism/internal/entity"
"github.com/photoprism/photoprism/internal/event"
"github.com/photoprism/photoprism/internal/form"
"github.com/photoprism/photoprism/internal/get"
"github.com/photoprism/photoprism/internal/server/limiter"
"github.com/photoprism/photoprism/pkg/authn"
"github.com/photoprism/photoprism/pkg/clean"
"github.com/photoprism/photoprism/pkg/header"
"github.com/photoprism/photoprism/pkg/i18n"
"github.com/photoprism/photoprism/pkg/rnd"
)
// CreateUserPasscode sets up a new two-factor authentication passcode.
//
// POST /api/v1/users/:uid/passcode
func CreateUserPasscode(router *gin.RouterGroup) {
router.POST("/users/:uid/passcode", func(c *gin.Context) {
// Check authentication and authorization.
s, user, frm, authErr := checkUserPasscodeAuth(c, acl.ActionCreate)
if authErr != nil {
return
}
// Check request rate limit.
r := limiter.Login.Request(ClientIP(c))
if r.Reject() {
limiter.AbortJSON(c)
return
}
// Check if the account password is correct.
if user.WrongPassword(frm.Password) {
Abort(c, http.StatusForbidden, i18n.ErrInvalidPassword)
return
}
// Return the reserved request rate limit tokens after successful authentication.
r.Success()
// Get config.
conf := get.Config()
// Generate and save new passcode key.
var passcode *entity.Passcode
if key, err := rnd.AuthKey(conf.AppName(), user.UserName); err != nil {
event.AuditErr([]string{ClientIP(c), "session %s", "users", user.UserName, "failed to generate passcode", clean.Error(err)}, s.RefID)
Abort(c, http.StatusInternalServerError, i18n.ErrUnexpected)
return
} else if passcode, err = entity.NewPasscode(user.UID(), key.String(), rnd.RecoveryCode()); err != nil {
event.AuditErr([]string{ClientIP(c), "session %s", "users", user.UserName, "failed to create passcode", clean.Error(err)}, s.RefID)
Abort(c, http.StatusInternalServerError, i18n.ErrUnexpected)
return
} else if err = passcode.Save(); err != nil {
event.AuditErr([]string{ClientIP(c), "session %s", "users", user.UserName, "failed to save passcode", clean.Error(err)}, s.RefID)
Abort(c, http.StatusConflict, i18n.ErrSaveFailed)
return
}
event.AuditInfo([]string{ClientIP(c), "session %s", "users", user.UserName, "passcode", "created"}, s.RefID)
c.JSON(http.StatusOK, passcode)
})
}
// ConfirmUserPasscode checks a new passcode and flags it as verified so that it can be activated.
//
// POST /api/v1/users/:uid/passcode/confirm
func ConfirmUserPasscode(router *gin.RouterGroup) {
router.POST("/users/:uid/passcode/confirm", func(c *gin.Context) {
// Check authentication and authorization.
s, user, frm, authErr := checkUserPasscodeAuth(c, acl.ActionUpdate)
if authErr != nil {
return
}
// Check request rate limit.
r := limiter.Login.RequestN(ClientIP(c), 3)
if r.Reject() {
limiter.AbortJSON(c)
return
}
// Verify passcode.
valid, passcode, err := user.VerifyPasscode(frm.Passcode)
if err != nil {
event.AuditErr([]string{ClientIP(c), "session %s", "users", user.UserName, "failed to verify passcode", clean.Error(err)}, s.RefID)
Abort(c, http.StatusForbidden, i18n.ErrInvalidPasscode)
return
} else if !valid {
event.AuditWarn([]string{ClientIP(c), "session %s", "users", user.UserName, authn.ErrInvalidPasscode.Error()}, s.RefID)
Abort(c, http.StatusForbidden, i18n.ErrInvalidPasscode)
return
}
// Return the reserved request rate limit tokens after successful authentication.
r.Success()
event.AuditInfo([]string{ClientIP(c), "session %s", "users", user.UserName, "passcode", "verified"}, s.RefID)
// Clear session cache.
s.ClearCache()
c.JSON(http.StatusOK, passcode)
})
}
// ActivateUserPasscode activates two-factor authentication if a passcode has been created and verified.
//
// POST /api/v1/users/:uid/passcode/activate
func ActivateUserPasscode(router *gin.RouterGroup) {
router.POST("/users/:uid/passcode/activate", func(c *gin.Context) {
// Check authentication and authorization.
s, user, _, authErr := checkUserPasscodeAuth(c, acl.ActionUpdate)
if authErr != nil {
return
}
// Activate new passcode.
passcode, err := user.ActivatePasscode()
if err != nil {
event.AuditErr([]string{ClientIP(c), "session %s", "users", user.UserName, "failed to activate passcode", clean.Error(err)}, s.RefID)
Abort(c, http.StatusForbidden, i18n.ErrSaveFailed)
return
}
// Log event.
event.AuditInfo([]string{ClientIP(c), "session %s", "users", user.UserName, "passcode", "activated"}, s.RefID)
// Invalidate any other user sessions to protect the account:
// https://cheatsheetseries.owasp.org/cheatsheets/Session_Management_Cheat_Sheet.html
event.AuditInfo([]string{ClientIP(c), "session %s", "users", user.UserName, "invalidated %s"}, s.RefID,
english.Plural(user.DeleteSessions([]string{s.ID}), "session", "sessions"))
// Clear session cache.
s.ClearCache()
c.JSON(http.StatusOK, passcode)
})
}
// DeactivateUserPasscode disables removes a passcode key to disable two-factor authentication.
//
// POST /api/v1/users/:uid/passcode/deactivate
func DeactivateUserPasscode(router *gin.RouterGroup) {
router.POST("/users/:uid/passcode/deactivate", func(c *gin.Context) {
// Check authentication and authorization.
s, user, frm, authErr := checkUserPasscodeAuth(c, acl.ActionDelete)
if authErr != nil {
return
}
// Check request rate limit.
r := limiter.Login.Request(ClientIP(c))
if r.Reject() {
limiter.AbortJSON(c)
return
}
// Check if the account password is correct.
if user.WrongPassword(frm.Password) {
Abort(c, http.StatusForbidden, i18n.ErrInvalidPassword)
return
}
// Return the reserved request rate limit tokens after successful authentication.
r.Success()
// Delete passcode.
if _, err := user.DeactivatePasscode(); err != nil {
event.AuditErr([]string{ClientIP(c), "session %s", "users", user.UserName, "failed to deactivate passcode", clean.Error(err)}, s.RefID)
Abort(c, http.StatusNotFound, i18n.ErrNotFound)
return
}
event.AuditInfo([]string{ClientIP(c), "session %s", "users", user.UserName, "passcode", "deactivated"}, s.RefID)
// Clear session cache.
s.ClearCache()
c.JSON(http.StatusOK, i18n.NewResponse(http.StatusOK, i18n.MsgSettingsSaved))
})
}
// checkUserPasscodeAuth checks authentication and authorization for the passcode endpoints.
func checkUserPasscodeAuth(c *gin.Context, action acl.Permission) (*entity.Session, *entity.User, *form.UserPasscode, error) {
conf := get.Config()
// Prevent caching of API response.
c.Header(header.CacheControl, header.CacheControlNoStore)
// You cannot change any passwords without authentication and settings enabled.
if conf.Public() || conf.DisableSettings() {
Abort(c, http.StatusForbidden, i18n.ErrPublic)
return nil, nil, nil, errors.New("unsupported")
}
// Check limit for failed auth requests (max. 10 per minute).
if limiter.Login.Reject(ClientIP(c)) {
limiter.AbortJSON(c)
return nil, nil, nil, errors.New("rate limit exceeded")
}
// Get session.
s := Auth(c, acl.ResourcePasscode, action)
if s.Abort(c) {
return s, nil, nil, errors.New("unauthorized")
}
// Check if the current user has management privileges.
uid := clean.UID(c.Param("uid"))
// Get user from session.
user := s.User()
// Regular users can only set up a passcode for their own account.
if user.UserUID != uid {
AbortForbidden(c)
return s, nil, nil, errors.New("unauthorized")
}
// Check if the auth provider supports passcodes.
if !user.Provider().Supports2FA() {
Abort(c, http.StatusForbidden, i18n.ErrUnsupported)
return s, nil, nil, errors.New("unsupported")
}
frm := &form.UserPasscode{}
// Validate request parameters.
if err := c.BindJSON(frm); err != nil {
Error(c, http.StatusBadRequest, err, i18n.ErrInvalidPassword)
return s, nil, nil, errors.New("invalid request")
} else if authn.KeyTOTP.NotEqual(frm.Type) {
Abort(c, http.StatusBadRequest, i18n.ErrUnsupportedType)
return s, nil, nil, errors.New("unsupported")
}
return s, user, frm, nil
}