Files
zitadel/internal/repository/user/human_external_idp.go
T
3ff4fbc7e4 fix(eventstore): add owners to unique constraints (#12740)
<!-- CURSOR_AGENT_PR_BODY_BEGIN -->
# Which Problems Are Solved

Bulk unique-constraint deletes (org, IDP with many links, user, project)
reconstruct every uniqueness key in Go and emit N `DELETE`s. That can
OOM on large tenants.

A one-shot owner backfill is also not enough: during a rolling deploy,
older binaries still insert `owners = '{}'`, so a later owner-only
delete would miss those rows.

Owner-only org/user/grant delete only matches rows whose `owners` bag
contains that tag. Several grant and member types stamped the aggregate
resource owner, which is not always the user’s home org or the granted
org. Username-scope rewrites also dropped `user:` tags, so owner-only
user delete could miss rewritten username rows.

Command must not switch to owner-only delete on the first 79 of a
version, because leftover `'{}'` rows from rolling-update overlap are
only backfilled on a later 79. A failed 79 must not turn owner-delete
on, and backfill joins must not stamp the wrong org (unverified domains,
org-scoped usernames colliding with instance-scoped ones).

# How the Problems Are Solved

Uniqueness stays the existing primary key `(instance_id, unique_type,
unique_field)`. `owners` is only a lifecycle bag of tags (`org:<id>`,
`user:<id>`, `idp:<id>`, `project:<id>`, `grant:<id>`).

- Add `owners TEXT[] NOT NULL DEFAULT '{}'` on
`eventstore.unique_constraints` (init SQL for greenfield, setup 78 for
existing clusters).
- Create `unique_constraints_owners_gin` with `CREATE INDEX
CONCURRENTLY` **outside a transaction** (same pattern as step 76).
Built-in `GIN (owners)` only; no `btree_gin`.
- Stamp `WithOwners` on **add** events. Field-level removes ignore
owners. `RemoveByOwner` stores the tag in `Owners` and both v1/v3 and v2
pushers run `DELETE … WHERE instance_id = $1 AND owners @>
ARRAY[$tag]::text[]`.
- Setup 79 backfills `owners` from projections via numbered
`cmd/setup/79/*.sql` files. Table names are interpolated from
`internal/query/projection` constants. Matches use `unique_field IN (x,
lower(x))` so the primary key can be used. Missing projection tables
(`42P01`) are skipped.
- Org domains are tagged only when `is_verified`. Instance-scoped
usernames join only users that are not org-scoped (organization settings
or domain policy `user_login_must_be_domain`). Every username row still
gets `org:` + `user:` of that user.
- 79 is a **repeatable** migration. `Check` re-runs when
`lastRun["version"]` changed or when setup-only `ForceFinalize` is set
and `lastRun["finalized"]` is still false. `Finalized` is written only
after Execute succeeds.
- Failed setup events keep the last successful `lastRun`. Command reads
`finalized` only from `system.migration.repeatable.done`.
- Org / user / project remove skip N-key event replay **when that
`finalized` bit is true**. Otherwise they keep today’s N-key lists
**and** still emit `RemoveByOwner`. The “ready” result is cached in
memory once true.

Setup writes `finalized` on the 79 repeatable.done payload:

- First 79 of a version: backfill only, `finalized=false` (unless
`ForceFinalize` is already set).
- Later 79: version change or
`BackfillUniqueConstraintOwners.ForceFinalize` /
`ZITADEL_BACKFILLUNIQUECONSTRAINTOWNERS_FORCEFINALIZE` after the rolling
update is done. That run backfills leftovers and writes
`finalized=true`.

Member and grant owner bags now include every org that should delete the
row:

- Instance, org, and project members also stamp
`org:<user_resource_owner>`.
- User grants stamp grant, user, project, and granted orgs.
- Project grant members stamp the project org, user org, and granted
org.
- Project grants stamp both orgs plus `grant:<id>`. Grant remove emits
`RemoveByOwner(grant)`.
- Username-scope rewrites keep `user:<id>` as well as `org:`.
- User/grant orgs are carried as unexported add-event fields (not
persisted JSON). `WithOwners` skips empty and duplicate tags.

# Additional Changes

- Table-driven owner-tag tests, including project grant (two `org:` tags
plus `grant:`), cross-org members, user grants, and username-scope
rewrite `user:` tags.
- Table-driven 79 `Check` + `finalizeAfterSuccess` tests for version
change, sequential version bumps, ForceFinalize restart, and
already-finalized skip.
- Command tests: a failed 79 event with `finalized=true` does not enable
owner-delete.
- Integration fixtures (verified vs unverified org domain;
instance-scoped `bob` vs org-scoped `bob`).
- Instance-only and global unique types stay untagged (`'{}'`). Instance
wipe still uses `UniqueConstraintInstanceRemove`.
- Pusher owner cases live in `eventstore_pusher_owners_test.go` so
`eventstore_pusher_test.go` stays under 1k lines.

# Additional Context

A later cleanup can delete the N-key replay helpers once a release that
ran 79 a second time (or an operator who set `ForceFinalize`) is in
production. That is not required for correctness.

<!-- CURSOR_AGENT_PR_BODY_END -->

<div><a
href="https://cursor.com/agents/bc-44f9bc9b-9a93-4cd9-8dd1-663a7b9aad2a?cursor_ref=pr_footer&cursor_cta=open_in_web"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://cursor.com/assets/images/open-in-web-dark.png"><source
media="(prefers-color-scheme: light)"
srcset="https://cursor.com/assets/images/open-in-web-light.png"><img
alt="Open in Web" width="114" height="28"
src="https://cursor.com/assets/images/open-in-web-dark.png"></picture></a>&nbsp;<a
href="https://cursor.com/background-agent?bcId=bc-44f9bc9b-9a93-4cd9-8dd1-663a7b9aad2a&cursor_ref=pr_footer&cursor_cta=open_in_cursor"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://cursor.com/assets/images/open-in-cursor-dark.png"><source
media="(prefers-color-scheme: light)"
srcset="https://cursor.com/assets/images/open-in-cursor-light.png"><img
alt="Open in Cursor" width="131" height="28"
src="https://cursor.com/assets/images/open-in-cursor-dark.png"></picture></a>&nbsp;</div>

---------

Co-authored-by: Cursor Agent <[email protected]>
Co-authored-by: Silvan <[email protected]>
2026-09-18 15:08:42 +02:00

290 lines
7.5 KiB
Go

package user
import (
"context"
"github.com/zitadel/zitadel/internal/eventstore"
"github.com/zitadel/zitadel/internal/zerrors"
)
const (
UniqueUserIDPLinkType = "external_idps"
UserIDPLinkEventPrefix = humanEventPrefix + "externalidp."
idpLoginEventPrefix = humanEventPrefix + "externallogin."
UserIDPLinkAddedType = UserIDPLinkEventPrefix + "added"
UserIDPLinkRemovedType = UserIDPLinkEventPrefix + "removed"
UserIDPLinkCascadeRemovedType = UserIDPLinkEventPrefix + "cascade.removed"
UserIDPExternalIDMigratedType = UserIDPLinkEventPrefix + "id.migrated"
UserIDPExternalUsernameChangedType = UserIDPLinkEventPrefix + "username.changed"
UserIDPLoginCheckSucceededType = idpLoginEventPrefix + "check.succeeded"
)
func NewAddUserIDPLinkUniqueConstraint(idpConfigID, externalUserID string) *eventstore.UniqueConstraint {
return eventstore.NewAddEventUniqueConstraint(
UniqueUserIDPLinkType,
idpConfigID+externalUserID,
"Errors.User.ExternalIDP.AlreadyExists")
}
func NewRemoveUserIDPLinkUniqueConstraint(idpConfigID, externalUserID string) *eventstore.UniqueConstraint {
return eventstore.NewRemoveUniqueConstraint(
UniqueUserIDPLinkType,
idpConfigID+externalUserID)
}
type UserIDPLinkAddedEvent struct {
eventstore.BaseEvent `json:"-"`
IDPConfigID string `json:"idpConfigId,omitempty"`
ExternalUserID string `json:"userId,omitempty"`
DisplayName string `json:"displayName,omitempty"`
}
func (e *UserIDPLinkAddedEvent) Payload() interface{} {
return e
}
func (e *UserIDPLinkAddedEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
return []*eventstore.UniqueConstraint{NewAddUserIDPLinkUniqueConstraint(e.IDPConfigID, e.ExternalUserID).WithOwners(idpLinkOwnerTags(e.Aggregate(), e.IDPConfigID)...)}
}
func NewUserIDPLinkAddedEvent(
ctx context.Context,
aggregate *eventstore.Aggregate,
idpConfigID,
displayName,
externalUserID string,
) *UserIDPLinkAddedEvent {
return &UserIDPLinkAddedEvent{
BaseEvent: *eventstore.NewBaseEventForPush(
ctx,
aggregate,
UserIDPLinkAddedType,
),
IDPConfigID: idpConfigID,
DisplayName: displayName,
ExternalUserID: externalUserID,
}
}
func UserIDPLinkAddedEventMapper(event eventstore.Event) (eventstore.Event, error) {
e := &UserIDPLinkAddedEvent{
BaseEvent: *eventstore.BaseEventFromRepo(event),
}
err := event.Unmarshal(e)
if err != nil {
return nil, zerrors.ThrowInternal(err, "USER-6M9sd", "unable to unmarshal user external idp added")
}
return e, nil
}
type UserIDPLinkRemovedEvent struct {
eventstore.BaseEvent `json:"-"`
IDPConfigID string `json:"idpConfigId"`
ExternalUserID string `json:"userId,omitempty"`
}
func (e *UserIDPLinkRemovedEvent) Payload() interface{} {
return e
}
func (e *UserIDPLinkRemovedEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
return []*eventstore.UniqueConstraint{NewRemoveUserIDPLinkUniqueConstraint(e.IDPConfigID, e.ExternalUserID)}
}
func NewUserIDPLinkRemovedEvent(
ctx context.Context,
aggregate *eventstore.Aggregate,
idpConfigID,
externalUserID string,
) *UserIDPLinkRemovedEvent {
return &UserIDPLinkRemovedEvent{
BaseEvent: *eventstore.NewBaseEventForPush(
ctx,
aggregate,
UserIDPLinkRemovedType,
),
IDPConfigID: idpConfigID,
ExternalUserID: externalUserID,
}
}
func UserIDPLinkRemovedEventMapper(event eventstore.Event) (eventstore.Event, error) {
e := &UserIDPLinkRemovedEvent{
BaseEvent: *eventstore.BaseEventFromRepo(event),
}
err := event.Unmarshal(e)
if err != nil {
return nil, zerrors.ThrowInternal(err, "USER-eAWoT", "unable to unmarshal user external idp removed")
}
return e, nil
}
type UserIDPLinkCascadeRemovedEvent struct {
eventstore.BaseEvent `json:"-"`
IDPConfigID string `json:"idpConfigId"`
ExternalUserID string `json:"userId,omitempty"`
}
func (e *UserIDPLinkCascadeRemovedEvent) Payload() interface{} {
return e
}
func (e *UserIDPLinkCascadeRemovedEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
return []*eventstore.UniqueConstraint{NewRemoveUserIDPLinkUniqueConstraint(e.IDPConfigID, e.ExternalUserID)}
}
func NewUserIDPLinkCascadeRemovedEvent(
ctx context.Context,
aggregate *eventstore.Aggregate,
idpConfigID,
externalUserID string,
) *UserIDPLinkCascadeRemovedEvent {
return &UserIDPLinkCascadeRemovedEvent{
BaseEvent: *eventstore.NewBaseEventForPush(
ctx,
aggregate,
UserIDPLinkCascadeRemovedType,
),
IDPConfigID: idpConfigID,
ExternalUserID: externalUserID,
}
}
func UserIDPLinkCascadeRemovedEventMapper(event eventstore.Event) (eventstore.Event, error) {
e := &UserIDPLinkCascadeRemovedEvent{
BaseEvent: *eventstore.BaseEventFromRepo(event),
}
err := event.Unmarshal(e)
if err != nil {
return nil, zerrors.ThrowInternal(err, "USER-dKGqO", "unable to unmarshal user external idp cascade removed")
}
return e, nil
}
type UserIDPCheckSucceededEvent struct {
eventstore.BaseEvent `json:"-"`
*AuthRequestInfo
}
func (e *UserIDPCheckSucceededEvent) Payload() interface{} {
return e
}
func (e *UserIDPCheckSucceededEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
return nil
}
func NewUserIDPCheckSucceededEvent(
ctx context.Context,
aggregate *eventstore.Aggregate,
info *AuthRequestInfo) *UserIDPCheckSucceededEvent {
return &UserIDPCheckSucceededEvent{
BaseEvent: *eventstore.NewBaseEventForPush(
ctx,
aggregate,
UserIDPLoginCheckSucceededType,
),
AuthRequestInfo: info,
}
}
func UserIDPCheckSucceededEventMapper(event eventstore.Event) (eventstore.Event, error) {
e := &UserIDPCheckSucceededEvent{
BaseEvent: *eventstore.BaseEventFromRepo(event),
}
err := event.Unmarshal(e)
if err != nil {
return nil, zerrors.ThrowInternal(err, "USER-oikSS", "unable to unmarshal user external idp check succeeded")
}
return e, nil
}
type UserIDPExternalIDMigratedEvent struct {
eventstore.BaseEvent `json:"-"`
IDPConfigID string `json:"idpConfigId"`
PreviousID string `json:"previousId"`
NewID string `json:"newId"`
}
func (e *UserIDPExternalIDMigratedEvent) Payload() interface{} {
return e
}
func (e *UserIDPExternalIDMigratedEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
return nil
}
func (e *UserIDPExternalIDMigratedEvent) SetBaseEvent(event *eventstore.BaseEvent) {
e.BaseEvent = *event
}
func NewUserIDPExternalIDMigratedEvent(
ctx context.Context,
aggregate *eventstore.Aggregate,
idpConfigID,
previousID,
newID string,
) *UserIDPExternalIDMigratedEvent {
return &UserIDPExternalIDMigratedEvent{
BaseEvent: *eventstore.NewBaseEventForPush(
ctx,
aggregate,
UserIDPExternalIDMigratedType,
),
IDPConfigID: idpConfigID,
PreviousID: previousID,
NewID: newID,
}
}
type UserIDPExternalUsernameEvent struct {
eventstore.BaseEvent `json:"-"`
IDPConfigID string `json:"idpConfigId"`
ExternalUserID string `json:"userId"`
ExternalUsername string `json:"username"`
}
func (e *UserIDPExternalUsernameEvent) Payload() interface{} {
return e
}
func (e *UserIDPExternalUsernameEvent) UniqueConstraints() []*eventstore.UniqueConstraint {
return nil
}
func (e *UserIDPExternalUsernameEvent) SetBaseEvent(event *eventstore.BaseEvent) {
e.BaseEvent = *event
}
func NewUserIDPExternalUsernameEvent(
ctx context.Context,
aggregate *eventstore.Aggregate,
idpConfigID,
externalUserID,
externalUsername string,
) *UserIDPExternalUsernameEvent {
return &UserIDPExternalUsernameEvent{
BaseEvent: *eventstore.NewBaseEventForPush(
ctx,
aggregate,
UserIDPExternalUsernameChangedType,
),
IDPConfigID: idpConfigID,
ExternalUserID: externalUserID,
ExternalUsername: externalUsername,
}
}