mirror of
https://github.com/zitadel/zitadel.git
synced 2024-12-12 11:04:25 +00:00
342 lines
10 KiB
Go
342 lines
10 KiB
Go
package handler
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import (
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"bytes"
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"context"
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"fmt"
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"io"
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"strings"
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"github.com/lucasb-eyer/go-colorful"
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"github.com/muesli/gamut"
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"github.com/zitadel/logging"
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"github.com/zitadel/zitadel/internal/api/ui/login"
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"github.com/zitadel/zitadel/internal/domain"
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"github.com/zitadel/zitadel/internal/eventstore"
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v1 "github.com/zitadel/zitadel/internal/eventstore/v1"
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"github.com/zitadel/zitadel/internal/eventstore/v1/models"
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"github.com/zitadel/zitadel/internal/eventstore/v1/query"
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"github.com/zitadel/zitadel/internal/eventstore/v1/spooler"
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iam_model "github.com/zitadel/zitadel/internal/iam/repository/view/model"
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"github.com/zitadel/zitadel/internal/repository/instance"
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"github.com/zitadel/zitadel/internal/repository/org"
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"github.com/zitadel/zitadel/internal/static"
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)
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const (
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stylingTable = "adminapi.styling2"
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)
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type Styling struct {
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handler
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static static.Storage
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subscription *v1.Subscription
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}
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func newStyling(ctx context.Context, handler handler, static static.Storage) *Styling {
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h := &Styling{
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handler: handler,
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static: static,
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}
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h.subscribe(ctx)
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return h
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}
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func (m *Styling) subscribe(ctx context.Context) {
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m.subscription = m.es.Subscribe(m.AggregateTypes()...)
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go func() {
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for event := range m.subscription.Events {
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query.ReduceEvent(ctx, m, event)
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}
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}()
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}
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func (m *Styling) ViewModel() string {
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return stylingTable
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}
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func (m *Styling) Subscription() *v1.Subscription {
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return m.subscription
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}
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func (_ *Styling) AggregateTypes() []models.AggregateType {
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return []models.AggregateType{org.AggregateType, instance.AggregateType}
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}
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func (m *Styling) CurrentSequence(ctx context.Context, instanceID string) (uint64, error) {
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sequence, err := m.view.GetLatestStylingSequence(ctx, instanceID)
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if err != nil {
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return 0, err
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}
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return sequence.CurrentSequence, nil
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}
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func (m *Styling) EventQuery(ctx context.Context, instanceIDs []string) (*models.SearchQuery, error) {
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sequences, err := m.view.GetLatestStylingSequences(ctx, instanceIDs)
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if err != nil {
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return nil, err
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}
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searchQuery := models.NewSearchQuery()
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for _, instanceID := range instanceIDs {
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var seq uint64
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for _, sequence := range sequences {
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if sequence.InstanceID == instanceID {
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seq = sequence.CurrentSequence
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break
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}
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}
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searchQuery.AddQuery().
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AggregateTypeFilter(m.AggregateTypes()...).
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LatestSequenceFilter(seq).
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InstanceIDFilter(instanceID)
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}
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return searchQuery, nil
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}
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func (m *Styling) Reduce(event *models.Event) (err error) {
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switch event.AggregateType {
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case org.AggregateType, instance.AggregateType:
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err = m.processLabelPolicy(event)
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}
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return err
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}
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func (m *Styling) processLabelPolicy(event *models.Event) (err error) {
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policy := new(iam_model.LabelPolicyView)
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switch eventstore.EventType(event.Type) {
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case instance.LabelPolicyAddedEventType,
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org.LabelPolicyAddedEventType:
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err = policy.AppendEvent(event)
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case instance.LabelPolicyChangedEventType,
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org.LabelPolicyChangedEventType,
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instance.LabelPolicyLogoAddedEventType,
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org.LabelPolicyLogoAddedEventType,
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instance.LabelPolicyLogoRemovedEventType,
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org.LabelPolicyLogoRemovedEventType,
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instance.LabelPolicyIconAddedEventType,
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org.LabelPolicyIconAddedEventType,
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instance.LabelPolicyIconRemovedEventType,
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org.LabelPolicyIconRemovedEventType,
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instance.LabelPolicyLogoDarkAddedEventType,
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org.LabelPolicyLogoDarkAddedEventType,
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instance.LabelPolicyLogoDarkRemovedEventType,
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org.LabelPolicyLogoDarkRemovedEventType,
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instance.LabelPolicyIconDarkAddedEventType,
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org.LabelPolicyIconDarkAddedEventType,
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instance.LabelPolicyIconDarkRemovedEventType,
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org.LabelPolicyIconDarkRemovedEventType,
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instance.LabelPolicyFontAddedEventType,
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org.LabelPolicyFontAddedEventType,
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instance.LabelPolicyFontRemovedEventType,
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org.LabelPolicyFontRemovedEventType,
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instance.LabelPolicyAssetsRemovedEventType,
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org.LabelPolicyAssetsRemovedEventType:
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policy, err = m.view.StylingByAggregateIDAndState(event.AggregateID, event.InstanceID, int32(domain.LabelPolicyStatePreview))
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if err != nil {
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return err
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}
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err = policy.AppendEvent(event)
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case instance.LabelPolicyActivatedEventType,
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org.LabelPolicyActivatedEventType:
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policy, err = m.view.StylingByAggregateIDAndState(event.AggregateID, event.InstanceID, int32(domain.LabelPolicyStatePreview))
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if err != nil {
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return err
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}
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err = policy.AppendEvent(event)
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if err != nil {
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return err
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}
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err = m.generateStylingFile(policy)
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case instance.InstanceRemovedEventType:
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err = m.deleteInstanceFilesFromStorage(event.InstanceID)
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if err != nil {
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return err
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}
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return m.view.DeleteInstanceStyling(event)
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case org.OrgRemovedEventType:
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return m.view.UpdateOrgOwnerRemovedStyling(event)
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default:
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return m.view.ProcessedStylingSequence(event)
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}
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if err != nil {
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return err
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}
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return m.view.PutStyling(policy, event)
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}
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func (m *Styling) OnError(event *models.Event, err error) error {
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logging.WithFields("id", event.AggregateID).WithError(err).Warn("something went wrong in label policy handler")
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return spooler.HandleError(event, err, m.view.GetLatestStylingFailedEvent, m.view.ProcessedStylingFailedEvent, m.view.ProcessedStylingSequence, m.errorCountUntilSkip)
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}
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func (m *Styling) OnSuccess(instanceIDs []string) error {
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return spooler.HandleSuccess(m.view.UpdateStylingSpoolerRunTimestamp, instanceIDs)
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}
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func (m *Styling) generateStylingFile(policy *iam_model.LabelPolicyView) error {
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reader, size, err := m.writeFile(policy)
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if err != nil {
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return err
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}
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return m.uploadFilesToStorage(policy.InstanceID, policy.AggregateID, "text/css", reader, size)
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}
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func (m *Styling) writeFile(policy *iam_model.LabelPolicyView) (io.Reader, int64, error) {
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cssContent := ""
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cssContent += ":root {"
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if policy.PrimaryColor != "" {
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palette := m.generateColorPaletteRGBA255(policy.PrimaryColor)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-primary-%v: %s;", i, color)
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}
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}
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if policy.BackgroundColor != "" {
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palette := m.generateColorPaletteRGBA255(policy.BackgroundColor)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-background-%v: %s;", i, color)
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}
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}
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if policy.WarnColor != "" {
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palette := m.generateColorPaletteRGBA255(policy.WarnColor)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-warn-%v: %s;", i, color)
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}
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}
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if policy.FontColor != "" {
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palette := m.generateColorPaletteRGBA255(policy.FontColor)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-text-%v: %s;", i, color)
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}
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}
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var fontname string
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if policy.FontURL != "" {
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split := strings.Split(policy.FontURL, "/")
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fontname = split[len(split)-1]
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cssContent += fmt.Sprintf("--zitadel-font-family: %s;", fontname)
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}
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cssContent += "}"
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if policy.FontURL != "" {
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cssContent += fmt.Sprintf(fontFaceTemplate, fontname, login.HandlerPrefix+login.EndpointDynamicResources, policy.AggregateID, policy.FontURL)
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}
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cssContent += ".lgn-dark-theme {"
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if policy.PrimaryColorDark != "" {
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palette := m.generateColorPaletteRGBA255(policy.PrimaryColorDark)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-primary-%v: %s;", i, color)
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}
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}
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if policy.BackgroundColorDark != "" {
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palette := m.generateColorPaletteRGBA255(policy.BackgroundColorDark)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-background-%v: %s;", i, color)
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}
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}
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if policy.WarnColorDark != "" {
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palette := m.generateColorPaletteRGBA255(policy.WarnColorDark)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-warn-%v: %s;", i, color)
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}
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}
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if policy.FontColorDark != "" {
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palette := m.generateColorPaletteRGBA255(policy.FontColorDark)
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for i, color := range palette {
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cssContent += fmt.Sprintf("--zitadel-color-text-%v: %s;", i, color)
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}
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}
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cssContent += "}"
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data := []byte(cssContent)
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buffer := bytes.NewBuffer(data)
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return buffer, int64(buffer.Len()), nil
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}
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const fontFaceTemplate = `
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@font-face {
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font-family: '%s';
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font-style: normal;
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font-display: swap;
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src: url(%s?orgId=%s&filename=%s);
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}
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`
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func (m *Styling) uploadFilesToStorage(instanceID, aggregateID, contentType string, reader io.Reader, size int64) error {
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fileName := domain.CssPath + "/" + domain.CssVariablesFileName
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//TODO: handle location as soon as possible
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_, err := m.static.PutObject(context.Background(), instanceID, "", aggregateID, fileName, contentType, static.ObjectTypeStyling, reader, size)
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return err
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}
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func (m *Styling) deleteInstanceFilesFromStorage(instanceID string) error {
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return m.static.RemoveInstanceObjects(context.Background(), instanceID)
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}
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func (m *Styling) generateColorPaletteRGBA255(hex string) map[string]string {
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palette := make(map[string]string)
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defaultColor := gamut.Hex(hex)
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color50, ok := colorful.MakeColor(gamut.Lighter(defaultColor, 0.52))
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if ok {
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palette["50"] = cssRGB(color50.RGB255())
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}
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color100, ok := colorful.MakeColor(gamut.Lighter(defaultColor, 0.37))
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if ok {
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palette["100"] = cssRGB(color100.RGB255())
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}
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color200, ok := colorful.MakeColor(gamut.Lighter(defaultColor, 0.26))
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if ok {
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palette["200"] = cssRGB(color200.RGB255())
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}
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color300, ok := colorful.MakeColor(gamut.Lighter(defaultColor, 0.12))
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if ok {
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palette["300"] = cssRGB(color300.RGB255())
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}
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color400, ok := colorful.MakeColor(gamut.Lighter(defaultColor, 0.06))
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if ok {
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palette["400"] = cssRGB(color400.RGB255())
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}
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color500, ok := colorful.MakeColor(defaultColor)
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if ok {
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palette["500"] = cssRGB(color500.RGB255())
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}
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color600, ok := colorful.MakeColor(gamut.Darker(defaultColor, 0.06))
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if ok {
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palette["600"] = cssRGB(color600.RGB255())
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}
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color700, ok := colorful.MakeColor(gamut.Darker(defaultColor, 0.12))
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if ok {
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palette["700"] = cssRGB(color700.RGB255())
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}
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color800, ok := colorful.MakeColor(gamut.Darker(defaultColor, 0.18))
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if ok {
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palette["800"] = cssRGB(color800.RGB255())
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}
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color900, ok := colorful.MakeColor(gamut.Darker(defaultColor, 0.24))
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if ok {
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palette["900"] = cssRGB(color900.RGB255())
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}
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colorContrast, ok := colorful.MakeColor(gamut.Contrast(defaultColor))
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if ok {
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palette["contrast"] = cssRGB(colorContrast.RGB255())
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}
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return palette
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}
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func cssRGB(r, g, b uint8) string {
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return fmt.Sprintf("rgb(%v, %v, %v)", r, g, b)
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}
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