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3d071fc505
# Which Problems Are Solved ZITADEL currently selects the instance context based on a HTTP header (see https://github.com/zitadel/zitadel/issues/8279#issue-2399959845 and checks it against the list of instance domains. Let's call it instance or API domain. For any context based URL (e.g. OAuth, OIDC, SAML endpoints, links in emails, ...) the requested domain (instance domain) will be used. Let's call it the public domain. In cases of proxied setups, all exposed domains (public domains) require the domain to be managed as instance domain. This can either be done using the "ExternalDomain" in the runtime config or via system API, which requires a validation through CustomerPortal on zitadel.cloud. # How the Problems Are Solved - Two new headers / header list are added: - `InstanceHostHeaders`: an ordered list (first sent wins), which will be used to match the instance. (For backward compatibility: the `HTTP1HostHeader`, `HTTP2HostHeader` and `forwarded`, `x-forwarded-for`, `x-forwarded-host` are checked afterwards as well) - `PublicHostHeaders`: an ordered list (first sent wins), which will be used as public host / domain. This will be checked against a list of trusted domains on the instance. - The middleware intercepts all requests to the API and passes a `DomainCtx` object with the hosts and protocol into the context (previously only a computed `origin` was passed) - HTTP / GRPC server do not longer try to match the headers to instances themself, but use the passed `http.DomainContext` in their interceptors. - The `RequestedHost` and `RequestedDomain` from authz.Instance are removed in favor of the `http.DomainContext` - When authenticating to or signing out from Console UI, the current `http.DomainContext(ctx).Origin` (already checked by instance interceptor for validity) is used to compute and dynamically add a `redirect_uri` and `post_logout_redirect_uri`. - Gateway passes all configured host headers (previously only did `x-zitadel-*`) - Admin API allows to manage trusted domain # Additional Changes None # Additional Context - part of #8279 - open topics: - "single-instance" mode - Console UI
129 lines
2.5 KiB
Go
129 lines
2.5 KiB
Go
package authz
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import (
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"context"
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"time"
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"golang.org/x/text/language"
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"github.com/zitadel/zitadel/internal/feature"
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)
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var (
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emptyInstance = &instance{}
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)
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type Instance interface {
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InstanceID() string
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ProjectID() string
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ConsoleClientID() string
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ConsoleApplicationID() string
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DefaultLanguage() language.Tag
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DefaultOrganisationID() string
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SecurityPolicyAllowedOrigins() []string
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EnableImpersonation() bool
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Block() *bool
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AuditLogRetention() *time.Duration
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Features() feature.Features
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}
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type InstanceVerifier interface {
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InstanceByHost(ctx context.Context, host, publicDomain string) (Instance, error)
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InstanceByID(ctx context.Context) (Instance, error)
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}
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type instance struct {
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id string
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domain string
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projectID string
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appID string
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clientID string
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orgID string
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features feature.Features
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}
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func (i *instance) Block() *bool {
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return nil
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}
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func (i *instance) AuditLogRetention() *time.Duration {
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return nil
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}
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func (i *instance) InstanceID() string {
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return i.id
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}
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func (i *instance) ProjectID() string {
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return i.projectID
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}
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func (i *instance) ConsoleClientID() string {
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return i.clientID
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}
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func (i *instance) ConsoleApplicationID() string {
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return i.appID
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}
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func (i *instance) DefaultLanguage() language.Tag {
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return language.Und
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}
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func (i *instance) DefaultOrganisationID() string {
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return i.orgID
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}
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func (i *instance) SecurityPolicyAllowedOrigins() []string {
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return nil
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}
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func (i *instance) EnableImpersonation() bool {
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return false
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}
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func (i *instance) Features() feature.Features {
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return i.features
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}
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func GetInstance(ctx context.Context) Instance {
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instance, ok := ctx.Value(instanceKey).(Instance)
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if !ok {
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return emptyInstance
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}
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return instance
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}
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func GetFeatures(ctx context.Context) feature.Features {
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return GetInstance(ctx).Features()
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}
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func WithInstance(ctx context.Context, instance Instance) context.Context {
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return context.WithValue(ctx, instanceKey, instance)
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}
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func WithInstanceID(ctx context.Context, id string) context.Context {
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return context.WithValue(ctx, instanceKey, &instance{id: id})
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}
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func WithConsole(ctx context.Context, projectID, appID string) context.Context {
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i, ok := ctx.Value(instanceKey).(*instance)
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if !ok {
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i = new(instance)
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}
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i.projectID = projectID
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i.appID = appID
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//i.clientID = clientID
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return context.WithValue(ctx, instanceKey, i)
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}
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func WithFeatures(ctx context.Context, f feature.Features) context.Context {
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i, ok := ctx.Value(instanceKey).(*instance)
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if !ok {
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i = new(instance)
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}
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i.features = f
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return context.WithValue(ctx, instanceKey, i)
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}
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