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auth_credentials.go
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auth_credentials.go
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package service
// part of auth service
// collection of functions that handle password checking, setting, resetting, changing
//
// general credential handling functions should still be part of auth.go
import (
"context"
"fmt"
internalAuth "github.com/cortezaproject/corteza/server/pkg/auth"
"github.com/cortezaproject/corteza/server/pkg/errors"
"github.com/cortezaproject/corteza/server/pkg/filter"
"github.com/cortezaproject/corteza/server/pkg/rand"
"github.com/cortezaproject/corteza/server/store"
"github.com/cortezaproject/corteza/server/system/types"
"github.com/dgryski/dgoogauth"
"golang.org/x/crypto/bcrypt"
rand2 "math/rand"
"regexp"
"sort"
"strconv"
"time"
)
const (
credentialsTypePassword = "password"
credentialsTypePersistentSession = "persistent-session"
credentialsTypeEmailAuthToken = "email-authentication-token"
credentialsTypeResetPasswordToken = "password-reset-token"
credentialsTypeResetPasswordTokenExchanged = "password-reset-token-exchanged"
credentialsTypeCreatePasswordToken = "password-create-token"
credentialsTypeMfaTotpSecret = "mfa-totp-secret"
credentialsTypeMFAEmailOTP = "mfa-email-otp"
credentialsTypeInviteEmailToken = "invite-email-token"
credentialsTokenLength = 32
tokenReqMaxCount = 5
tokenReqMaxWindow = time.Minute * 15
passwordMinLength = 8
passwordMaxLength = 256
passwordTokenValidity = 24
emailOTPValidity = 60
inviteTokenValidity = 72
)
var (
oneTokenPerUser = map[string]bool{
credentialsTypeResetPasswordToken: true,
}
)
// ValidateEmailConfirmationToken issues a validation token that can be used for
func (svc *auth) ValidateEmailConfirmationToken(ctx context.Context, token string) (user *types.User, err error) {
return svc.loadFromTokenAndConfirmEmail(ctx, token, credentialsTypeEmailAuthToken)
}
// loadFromTokenAndConfirmEmail loads token, confirms user's
func (svc *auth) loadFromTokenAndConfirmEmail(ctx context.Context, token, tokenType string) (u *types.User, err error) {
var (
aam = &authActionProps{
user: u,
credentials: &types.Credential{Kind: tokenType},
}
)
err = func() error {
if !svc.settings.Auth.Internal.Enabled {
return AuthErrInternalSignupDisabledByConfig(aam)
}
u, err = svc.loadUserFromToken(ctx, token, tokenType)
if err != nil {
return err
}
aam.setUser(u)
ctx = internalAuth.SetIdentityToContext(ctx, u)
if !u.EmailConfirmed {
// User's email is not confirmed but going through password reset flow
// we can confirm it
u.EmailConfirmed = true
u.UpdatedAt = now()
if err = store.UpdateUser(ctx, svc.store, u); err != nil {
return err
}
}
if err = svc.LoadRoleMemberships(ctx, u); err != nil {
return err
}
return nil
}()
return u, svc.recordAction(ctx, aam, AuthActionConfirmEmail, err)
}
func (svc *auth) SendEmailAddressConfirmationToken(ctx context.Context, u *types.User) (err error) {
var (
token string
aam = &authActionProps{
user: u,
credentials: &types.Credential{Kind: credentialsTypeEmailAuthToken},
}
)
if token, err = svc.createUserToken(ctx, u, credentialsTypeEmailAuthToken); err != nil {
return
}
if err = svc.notifications.EmailConfirmation(ctx, u.Email, token); err != nil {
return
}
return svc.recordAction(ctx, aam, AuthActionSendEmailConfirmationToken, err)
}
// Loads user from token and removes that token right after
func (svc *auth) loadUserFromToken(ctx context.Context, token, kind string) (u *types.User, _ error) {
var (
aam = &authActionProps{
credentials: &types.Credential{Kind: kind},
}
)
return u, store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
credentialsID, credentials := validateToken(token)
if credentialsID == 0 {
return AuthErrInvalidToken(aam)
}
c, err := store.LookupCredentialByID(ctx, s, credentialsID)
if errors.IsNotFound(err) {
return AuthErrInvalidToken(aam)
}
aam.setCredentials(c)
if err != nil {
return
}
if err = store.DeleteCredentialByID(ctx, s, c.ID); err != nil {
return
}
if !c.Valid() || c.Credentials != credentials {
return AuthErrInvalidToken(aam)
}
u, err = store.LookupUserByID(ctx, s, c.OwnerID)
if err != nil {
return err
}
aam.setUser(u)
// context will be updated with new identity
// in the caller fn
if !u.Valid() {
return AuthErrInvalidCredentials(aam)
}
return nil
})
}
// Generates & stores user token
// it returns combined value of token + token ID to help with the lookups
func (svc *auth) createUserToken(ctx context.Context, u *types.User, kind string) (token string, err error) {
var (
expiresAt time.Time
aam = &authActionProps{
user: u,
credentials: &types.Credential{Kind: kind},
}
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
if u == nil || u.ID == 0 {
return AuthErrGeneric()
}
// Rate limit requests
cc, _, err := store.SearchCredentials(ctx, s, types.CredentialFilter{
OwnerID: u.ID,
Kind: kind,
// we want to count deleted tokens as well
Deleted: filter.StateInclusive,
})
if err != nil {
return err
}
// gt/eq since this current request is not yet stored
if err = svc.checkTokenRate(cc, tokenReqMaxWindow, tokenReqMaxCount); err != nil {
return
}
// removes expired and soft-deleted tokens
// and enforces one-token-per-user rule
if err = svc.cleanupCredentials(ctx, s, cc); err != nil {
return
}
switch kind {
case credentialsTypeMFAEmailOTP:
expSec := svc.settings.Auth.MultiFactor.EmailOTP.Expires
if expSec == 0 {
expSec = emailOTPValidity
}
expiresAt = now().Add(time.Second * time.Duration(expSec))
// random number, 6 chars
token = fmt.Sprintf("%06d", rand2.Int())[0:6]
case credentialsTypeCreatePasswordToken:
expSec := svc.settings.Auth.Internal.PasswordCreate.Expires
if expSec == 0 {
expSec = passwordTokenValidity
}
expiresAt = now().Add(time.Hour * time.Duration(expSec))
// random password string, "3i[g0|)z"
token = fmt.Sprintf("%s", rand.Password(credentialsTokenLength))
case credentialsTypeInviteEmailToken:
expSec := svc.settings.Auth.Internal.SendUserInviteEmail.Expires
if expSec == 0 {
expSec = inviteTokenValidity
}
// set the expiration time for all invited user tokens sent via email to 72 hours.
expiresAt = now().Add(time.Hour * time.Duration(expSec))
token = string(rand.Bytes(credentialsTokenLength))
default:
// 1h expiration for all tokens send via email
expiresAt = now().Add(time.Minute * 60)
token = string(rand.Bytes(credentialsTokenLength))
}
c := &types.Credential{
ID: nextID(),
CreatedAt: *now(),
OwnerID: u.ID,
Kind: kind,
Credentials: token,
ExpiresAt: &expiresAt,
}
err = store.CreateCredential(ctx, s, c)
if err != nil {
return err
}
switch kind {
case credentialsTypeMFAEmailOTP:
// do not alter the final token
default:
// suffixing tokens with credentials ID
// this will help us with token lookups
token = fmt.Sprintf("%s%d", token, c.ID)
}
return nil
})
return token, svc.recordAction(ctx, aam, AuthActionIssueToken, err)
}
// checks existing tokens and ensure that the creation rate is within limits
func (svc *auth) checkTokenRate(cc types.CredentialSet, window time.Duration, max int) error {
if len(cc) == 0 || window == 0 || max == 0 {
return nil
}
var (
cutoff = now().Add(window * -1)
count = 0
)
for _, c := range cc {
if c.CreatedAt.Before(cutoff) {
// skip tokens created before cutoff
continue
}
count++
if count > max {
break
}
}
if count > max {
return AuthErrRateLimitExceeded()
}
return nil
}
func (svc *auth) cleanupCredentials(ctx context.Context, s store.Credentials, cc types.CredentialSet) (err error) {
var (
update types.CredentialSet
remove types.CredentialSet
)
for _, c := range cc {
switch {
case oneTokenPerUser[c.Kind]:
// if token type is shortlisted in one-token-per-user
// mark all existing tokens as deleted if to
//
// only want to mark them as deleted ad
c.DeletedAt = now()
update = append(update, c)
case false, // just a placeholder
(c.DeletedAt != nil && c.DeletedAt.Add(tokenReqMaxWindow).Before(*now())),
(c.ExpiresAt != nil && c.ExpiresAt.Before(*now())):
// schedule all soft-deleted and expired token
// for removal
remove = append(remove, c)
}
}
if err = store.UpdateCredential(ctx, s, update...); err != nil {
return
}
if err = store.DeleteCredential(ctx, s, remove...); err != nil {
return
}
return
}
// SendPasswordResetToken sends password reset token to email
func (svc *auth) SendPasswordResetToken(ctx context.Context, email string) (err error) {
var (
u *types.User
aam = &authActionProps{
user: u,
email: email,
}
)
err = func() error {
if !svc.settings.Auth.Internal.Enabled || !svc.settings.Auth.Internal.PasswordReset.Enabled {
return AuthErrPasswordResetDisabledByConfig(aam)
}
if u, err = store.LookupUserByEmail(ctx, svc.store, email); err != nil {
return err
}
ctx = internalAuth.SetIdentityToContext(ctx, u)
if err = svc.sendPasswordResetToken(ctx, u); err != nil {
return err
}
return nil
}()
return svc.recordAction(ctx, aam, AuthActionSendPasswordResetToken, err)
}
func (svc *auth) sendPasswordResetToken(ctx context.Context, u *types.User) (err error) {
token, err := svc.createUserToken(ctx, u, credentialsTypeResetPasswordToken)
if err != nil {
return err
}
return svc.notifications.PasswordReset(ctx, u.Email, token)
}
// GeneratePasswordCreateToken generates password create token
func (svc *auth) GeneratePasswordCreateToken(ctx context.Context, email string) (url string, err error) {
var (
u *types.User
aam = &authActionProps{
user: u,
email: email,
}
)
err = func() error {
if !svc.settings.Auth.Internal.Enabled || !svc.settings.Auth.Internal.PasswordCreate.Enabled {
return AuthErrPasswordCreateDisabledByConfig(aam)
}
if u, err = store.LookupUserByEmail(ctx, svc.store, email); err != nil {
return err
}
ctx = internalAuth.SetIdentityToContext(ctx, u)
if url, err = svc.sendPasswordCreateToken(ctx, u); err != nil {
return err
}
return nil
}()
return url, svc.recordAction(ctx, aam, AuthActionGeneratePasswordCreateToken, err)
}
func (svc *auth) sendPasswordCreateToken(ctx context.Context, u *types.User) (url string, err error) {
token, err := svc.createUserToken(ctx, u, credentialsTypeCreatePasswordToken)
if err != nil {
return
}
return svc.notifications.PasswordCreate(token)
}
// ValidatePasswordResetToken validates password reset token
func (svc *auth) ValidatePasswordResetToken(ctx context.Context, token string) (user *types.User, err error) {
return svc.loadFromTokenAndConfirmEmail(ctx, token, credentialsTypeResetPasswordToken)
}
// ValidatePasswordCreateToken validates password create token
func (svc *auth) ValidatePasswordCreateToken(ctx context.Context, token string) (user *types.User, err error) {
return svc.loadFromTokenAndConfirmEmail(ctx, token, credentialsTypeCreatePasswordToken)
}
func (svc *auth) ValidateInviteEmailToken(ctx context.Context, token string) (user *types.User, err error) {
return svc.loadFromTokenAndConfirmEmail(ctx, token, credentialsTypeInviteEmailToken)
}
// ExchangePasswordResetToken exchanges reset password token for a new one and returns it with user info
func (svc *auth) ExchangePasswordResetToken(ctx context.Context, token string) (u *types.User, t string, err error) {
var (
aam = &authActionProps{
user: u,
credentials: &types.Credential{Kind: credentialsTypeResetPasswordToken},
}
)
err = func() error {
if !svc.settings.Auth.Internal.Enabled || !svc.settings.Auth.Internal.PasswordReset.Enabled {
return AuthErrPasswordResetDisabledByConfig(aam)
}
u, err = svc.loadUserFromToken(ctx, token, credentialsTypeResetPasswordToken)
if err != nil {
return AuthErrInvalidToken(aam).Wrap(err)
}
aam.setUser(u)
ctx = internalAuth.SetIdentityToContext(ctx, u)
t, err = svc.createUserToken(ctx, u, credentialsTypeResetPasswordTokenExchanged)
if err != nil {
u = nil
t = ""
return AuthErrInvalidToken(aam).Wrap(err)
}
return nil
}()
return u, t, svc.recordAction(ctx, aam, AuthActionExchangePasswordResetToken, err)
}
// ChangePassword validates old password and changes it with new
func (svc *auth) ChangePassword(ctx context.Context, userID uint64, oldPassword, newPassword string) (err error) {
var (
u *types.User
cc types.CredentialSet
aam = &authActionProps{
user: u,
credentials: &types.Credential{Kind: credentialsTypePassword},
}
)
err = func() error {
if !svc.settings.Auth.Internal.Enabled {
return AuthErrInternalLoginDisabledByConfig(aam)
}
if len(oldPassword) == 0 {
return AuthErrPasswordNotSecure(aam)
}
if !svc.CheckPasswordStrength(newPassword) {
return AuthErrPasswordNotSecure(aam)
}
u, err = store.LookupUserByID(ctx, svc.store, userID)
if errors.IsNotFound(err) {
return AuthErrPasswordChangeFailedForUnknownUser(aam)
}
aam.setUser(u)
ctx = internalAuth.SetIdentityToContext(ctx, u)
cc, _, err = store.SearchCredentials(ctx, svc.store, types.CredentialFilter{
Kind: credentialsTypePassword,
OwnerID: userID,
Deleted: filter.StateInclusive})
if err != nil {
return err
}
if c := findValidPassword(cc, oldPassword); c == nil {
return AuthErrPasswordResetFailedOldPasswordCheckFailed(aam)
}
if isPasswordReused(cc, newPassword, svc.opt.PasswordReuseTimeWindow) {
return AuthErrPasswordSetFailedReusedPasswordCheckFailed(aam)
}
if err != svc.SetPasswordCredentials(ctx, userID, newPassword) {
return err
}
if err = svc.RemoveAccessTokens(ctx, u); err != nil {
return err
}
return nil
}()
return svc.recordAction(ctx, aam, AuthActionChangePassword, err)
}
func hashPassword(password string) (hash []byte, err error) {
return bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
}
func (svc *auth) CheckPasswordStrength(password string) bool {
return checkPasswordStrength(password, svc.settings.Auth.Internal.PasswordConstraints)
}
// SetPasswordCredentials (soft) deletes old password entry and creates a new entry with new password on every change
//
// # This way we can implement more strict password-change policies in the future
//
// This method is used by auth and user procedures to unify password hashing and updating
// credentials
func (svc *auth) SetPasswordCredentials(ctx context.Context, userID uint64, password string) (err error) {
if err = svc.removePasswordCredentials(ctx, userID); err != nil {
return
}
return SetPasswordCredentials(ctx, svc.store, userID, password)
}
// SetPasswordCredentials creates a new password entry
func SetPasswordCredentials(ctx context.Context, s store.Storer, userID uint64, password string) (err error) {
var (
hash []byte
)
if hash, err = hashPassword(password); err != nil {
return
}
// Add new credentials with new password
c := &types.Credential{
ID: nextID(),
CreatedAt: *now(),
OwnerID: userID,
Kind: credentialsTypePassword,
Credentials: string(hash),
}
return store.CreateCredential(ctx, s, c)
}
//CheckPassword verifies if password matches any of the valid credentials
//func (svc *auth) CheckPassword(cc types.CredentialSet, password string) bool {
// return findMatchingCredentials(cc, password, true) != nil
//}
// SetPassword sets new password for a user
//
// # This function also records an action
//
// this method is used in 2 scenarios:
//
// SELF:
// user forgot the password and needs to reset it
// there should be protocols prior to this point that
// authenticate and validate users
//
// USER MANAGEMENT:
// administrator is resetting password for another user
func (svc *auth) SetPassword(ctx context.Context, userID uint64, password string) (err error) {
var (
u *types.User
cc types.CredentialSet
aam = &authActionProps{
user: u,
credentials: &types.Credential{Kind: credentialsTypePassword},
}
)
err = func() error {
if !svc.settings.Auth.Internal.Enabled {
return AuthErrInternalLoginDisabledByConfig(aam)
}
if !svc.CheckPasswordStrength(password) {
return AuthErrPasswordNotSecure(aam)
}
u, err = store.LookupUserByID(ctx, svc.store, userID)
if errors.IsNotFound(err) {
return AuthErrPasswordChangeFailedForUnknownUser(aam)
}
aam.setUser(u)
ctx = internalAuth.SetIdentityToContext(ctx, u)
cc, _, err = store.SearchCredentials(ctx, svc.store, types.CredentialFilter{
Kind: credentialsTypePassword,
OwnerID: userID,
Deleted: filter.StateInclusive})
if err != nil {
return err
}
if isPasswordReused(cc, password, svc.opt.PasswordReuseTimeWindow) {
return AuthErrPasswordSetFailedReusedPasswordCheckFailed(aam)
}
if err != svc.SetPasswordCredentials(ctx, userID, password) {
return err
}
return nil
}()
return svc.recordAction(ctx, aam, AuthActionChangePassword, err)
}
// PasswordSet checks and returns true if user's password is set
// False is also returned in case user does not exist.
func (svc *auth) PasswordSet(ctx context.Context, email string) (is bool) {
//svc.settings.Auth.External.Enabled
u, err := store.LookupUserByEmail(ctx, svc.store, email)
if err != nil {
return
}
cc, _, err := store.SearchCredentials(ctx, svc.store, types.CredentialFilter{
OwnerID: u.ID,
Kind: credentialsTypePassword,
})
if err != nil {
return
}
if len(cc) > 0 && svc.settings.Auth.Internal.Enabled {
return true
}
return
}
// RemovePasswordCredentials (soft) deletes old password entry
func (svc *auth) RemovePasswordCredentials(ctx context.Context, userID uint64) (err error) {
// Do a partial update and soft-delete all
return svc.removePasswordCredentials(ctx, userID)
}
// RemovePasswordCredentials (soft) deletes old password entry
func (svc *auth) removePasswordCredentials(ctx context.Context, userID uint64) (err error) {
var (
cc types.CredentialSet
f = types.CredentialFilter{Kind: credentialsTypePassword, OwnerID: userID}
)
if cc, _, err = store.SearchCredentials(ctx, svc.store, f); err != nil {
return nil
}
// Mark all credentials as deleted
_ = cc.Walk(func(c *types.Credential) error {
c.DeletedAt = now()
return nil
})
// Do a partial update and soft-delete all
return store.UpdateCredential(ctx, svc.store, cc...)
}
// RemoveAccessTokens removes all user's access tokens when suspended,
// deleted or security context changes
func (svc *auth) RemoveAccessTokens(ctx context.Context, user *types.User) error {
return svc.recordAction(
ctx,
&authActionProps{user: user},
AuthActionAccessTokensRemoved,
store.DeleteAuthOA2TokenByUserID(ctx, svc.store, user.ID),
)
}
// ValidateTOTP checks given code with the current secret
// Fn fails if no secret is set
func (svc *auth) ValidateTOTP(ctx context.Context, code string) (err error) {
var (
c *types.Credential
u *types.User
kind = credentialsTypeMfaTotpSecret
aam = &authActionProps{credentials: &types.Credential{Kind: kind}}
i = internalAuth.GetIdentityFromContext(ctx)
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) error {
if !svc.settings.Auth.MultiFactor.TOTP.Enabled {
return AuthErrDisabledMFAWithTOTP()
}
u, err = store.LookupUserByID(ctx, svc.store, i.Identity())
if errors.IsNotFound(err) {
return AuthErrFailedForUnknownUser(aam)
}
aam.setUser(u)
if !u.Meta.SecurityPolicy.MFA.EnforcedTOTP {
return AuthErrUnconfiguredTOTP()
}
if c, err = svc.getTOTPSecret(ctx, s, u.ID); err != nil {
return err
} else if err = svc.validateTOTP(c.Credentials, code); err != nil {
return err
} else {
c.LastUsedAt = now()
return store.UpdateCredential(ctx, s, c)
}
})
return svc.recordAction(ctx, aam, AuthActionTotpValidate, err)
}
// ConfigureTOTP stores totp secret in user's credentials
//
// It returns the user with security policy changes
func (svc *auth) ConfigureTOTP(ctx context.Context, secret string, code string) (u *types.User, err error) {
var (
kind = credentialsTypeMfaTotpSecret
aam = &authActionProps{credentials: &types.Credential{Kind: kind}}
i = internalAuth.GetIdentityFromContext(ctx)
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) error {
if !svc.settings.Auth.MultiFactor.TOTP.Enabled {
return AuthErrDisabledMFAWithTOTP()
}
if err = svc.validateTOTP(secret, code); err != nil {
return err
}
u, err = store.LookupUserByID(ctx, svc.store, i.Identity())
if errors.IsNotFound(err) {
return AuthErrFailedForUnknownUser(aam)
}
aam.setUser(u)
if i == nil || u.Meta.SecurityPolicy.MFA.EnforcedTOTP {
// TOTP is already enforced on the user,
// this means that we cannot just allow the change
return AuthErrNotAllowedToConfigureTOTP()
}
// revoke (soft-delete) all existing secrets
if err = svc.revokeAllTOTP(ctx, s, u.ID); err != nil {
return err
}
cred := &types.Credential{
ID: nextID(),
CreatedAt: *now(),
OwnerID: u.ID,
Kind: kind,
Credentials: secret,
}
if err = store.CreateCredential(ctx, s, cred); err != nil {
return err
}
u.Meta.SecurityPolicy.MFA.EnforcedTOTP = true
return store.UpdateUser(ctx, s, u)
})
return u, svc.recordAction(ctx, aam, AuthActionTotpConfigure, err)
}
// RemoveTOTP removes TOTP secret from user's credentials
//
// If user is removing own TOTP code is required
// When removing TOTP for another user, remover shou
//
// It returns the user with security policy changes
func (svc *auth) RemoveTOTP(ctx context.Context, userID uint64, code string) (u *types.User, err error) {
var (
c *types.Credential
kind = credentialsTypeMfaTotpSecret
aam = &authActionProps{credentials: &types.Credential{Kind: kind}}
i = internalAuth.GetIdentityFromContext(ctx)
self = i != nil && i.Identity() == userID
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) error {
if !svc.settings.Auth.MultiFactor.TOTP.Enabled {
return AuthErrDisabledMFAWithTOTP()
}
if svc.settings.Auth.MultiFactor.TOTP.Enforced {
return AuthErrEnforcedMFAWithTOTP()
}
u, err = store.LookupUserByID(ctx, svc.store, userID)
if errors.IsNotFound(err) {
return AuthErrFailedForUnknownUser(aam)
}
aam.setUser(u)
if i != nil && u != nil && self {
if c, err = svc.getTOTPSecret(ctx, s, u.ID); err != nil {
return err
}
if err = svc.validateTOTP(c.Credentials, code); err != nil {
return err
}
} else if !svc.ac.CanUpdateUser(ctx, u) {
return AuthErrNotAllowedToRemoveTOTP()
}
if err = svc.revokeAllTOTP(ctx, s, u.ID); err != nil {
return err
}
u.Meta.SecurityPolicy.MFA.EnforcedTOTP = false
return store.UpdateUser(ctx, s, u)
})
return u, svc.recordAction(ctx, aam, AuthActionTotpConfigure, err)
}
// Searches for all valid TOTP secret credentials
func (svc *auth) getTOTPSecret(ctx context.Context, s store.Credentials, userID uint64) (*types.Credential, error) {
cc, _, err := store.SearchCredentials(ctx, s, types.CredentialFilter{
OwnerID: userID,
Kind: credentialsTypeMfaTotpSecret,
Deleted: filter.StateExcluded,
})
if err != nil {
return nil, err
}
if len(cc) != 1 {
return nil, AuthErrInvalidTOTP()
}
return cc[0], nil
}
// Verifies TOTP code and secret
func (auth) validateTOTP(secret string, code string) error {
// removes all non-numeric characters
code = regexp.MustCompile(`[^0-9]`).ReplaceAllString(code, "")
if len(code) != 6 {
return AuthErrInvalidTOTP()
}
otpc := &dgoogauth.OTPConfig{
Secret: secret,
WindowSize: 5,
}
if ok, err := otpc.Authenticate(code); err != nil {
return AuthErrInvalidTOTP().Wrap(err)
} else if !ok {
return AuthErrInvalidTOTP()
}
return nil
}
// Revokes all existing user's TOTPs
func (auth) revokeAllTOTP(ctx context.Context, s store.Credentials, userID uint64) error {
// revoke (soft-delete) all existing secrets
cc, _, err := store.SearchCredentials(ctx, s, types.CredentialFilter{
OwnerID: userID,
Kind: credentialsTypeMfaTotpSecret,
Deleted: filter.StateExcluded,
})
if err != nil {
return err
}
return cc.Walk(func(c *types.Credential) error {
c.DeletedAt = now()
return store.UpdateCredential(ctx, s, c)
})
}
func (svc *auth) SendEmailOTP(ctx context.Context) (err error) {
var (
otp string
u *types.User
kind = credentialsTypeMFAEmailOTP
aam = &authActionProps{credentials: &types.Credential{Kind: kind}}
i = internalAuth.GetIdentityFromContext(ctx)
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
if !svc.settings.Auth.MultiFactor.EmailOTP.Enabled {
return AuthErrDisabledMFAWithEmailOTP()
}
u, err = store.LookupUserByID(ctx, svc.store, i.Identity())
if errors.IsNotFound(err) {
return AuthErrFailedForUnknownUser(aam)
}
aam.setUser(u)
if otp, err = svc.createUserToken(ctx, u, kind); err != nil {
return
}
if err = svc.notifications.EmailOTP(ctx, u.Email, otp); err != nil {
return
}
return
})
return svc.recordAction(ctx, aam, AuthActionSendEmailConfirmationToken, err)
}
func (svc *auth) ConfigureEmailOTP(ctx context.Context, userID uint64, enable bool) (u *types.User, err error) {
var (
kind = credentialsTypeMFAEmailOTP
aam = &authActionProps{credentials: &types.Credential{Kind: kind}}
)
err = store.Tx(ctx, svc.store, func(ctx context.Context, s store.Storer) (err error) {
if !svc.settings.Auth.MultiFactor.EmailOTP.Enabled {
return AuthErrDisabledMFAWithEmailOTP()
}
if svc.settings.Auth.MultiFactor.EmailOTP.Enforced && !enable {
return AuthErrEnforcedMFAWithEmailOTP()
}
u, err = store.LookupUserByID(ctx, svc.store, userID)
if errors.IsNotFound(err) {
return AuthErrFailedForUnknownUser(aam)
}
aam.setUser(u)
u.Meta.SecurityPolicy.MFA.EnforcedEmailOTP = enable
return store.UpdateUser(ctx, s, u)
})
return u, svc.recordAction(ctx, aam, AuthActionSendEmailConfirmationToken, err)
}
// ValidateEmailOTP issues a validation OTP
func (svc *auth) ValidateEmailOTP(ctx context.Context, code string) (err error) {
var (
cc types.CredentialSet
u *types.User
kind = credentialsTypeMFAEmailOTP
aam = &authActionProps{credentials: &types.Credential{Kind: kind}}
i = internalAuth.GetIdentityFromContext(ctx)
)