mirror of
https://github.com/zitadel/zitadel.git
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309 lines
9.0 KiB
Go
309 lines
9.0 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/caos/logging"
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"github.com/lucasb-eyer/go-colorful"
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"github.com/muesli/gamut"
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"github.com/caos/zitadel/internal/domain"
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"github.com/caos/zitadel/internal/eventstore/v1"
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es_models "github.com/caos/zitadel/internal/eventstore/v1/models"
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"github.com/caos/zitadel/internal/eventstore/v1/query"
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"github.com/caos/zitadel/internal/eventstore/v1/spooler"
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iam_es_model "github.com/caos/zitadel/internal/iam/repository/eventsourcing/model"
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iam_model "github.com/caos/zitadel/internal/iam/repository/view/model"
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"github.com/caos/zitadel/internal/org/repository/eventsourcing/model"
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"github.com/caos/zitadel/internal/static"
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)
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const (
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stylingTable = "adminapi.styling"
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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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devMode bool
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resourceUrl string
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}
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func newStyling(handler handler, static static.Storage, localDevMode bool) *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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prefix := ""
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if localDevMode {
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prefix = "/login"
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}
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h.resourceUrl = prefix + "/resources/dynamic" //TODO: ?
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h.subscribe()
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return h
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}
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func (m *Styling) subscribe() {
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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(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() []es_models.AggregateType {
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return []es_models.AggregateType{model.OrgAggregate, iam_es_model.IAMAggregate}
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}
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func (m *Styling) CurrentSequence() (uint64, error) {
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sequence, err := m.view.GetLatestStylingSequence()
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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() (*es_models.SearchQuery, error) {
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sequence, err := m.view.GetLatestStylingSequence()
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if err != nil {
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return nil, err
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}
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return es_models.NewSearchQuery().
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AggregateTypeFilter(m.AggregateTypes()...).
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LatestSequenceFilter(sequence.CurrentSequence), nil
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}
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func (m *Styling) Reduce(event *es_models.Event) (err error) {
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switch event.AggregateType {
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case model.OrgAggregate, iam_es_model.IAMAggregate:
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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 *es_models.Event) (err error) {
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policy := new(iam_model.LabelPolicyView)
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switch event.Type {
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case iam_es_model.LabelPolicyAdded, model.LabelPolicyAdded:
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err = policy.AppendEvent(event)
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case iam_es_model.LabelPolicyChanged, model.LabelPolicyChanged,
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iam_es_model.LabelPolicyLogoAdded, model.LabelPolicyLogoAdded,
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iam_es_model.LabelPolicyLogoRemoved, model.LabelPolicyLogoRemoved,
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iam_es_model.LabelPolicyIconAdded, model.LabelPolicyIconAdded,
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iam_es_model.LabelPolicyIconRemoved, model.LabelPolicyIconRemoved,
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iam_es_model.LabelPolicyLogoDarkAdded, model.LabelPolicyLogoDarkAdded,
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iam_es_model.LabelPolicyLogoDarkRemoved, model.LabelPolicyLogoDarkRemoved,
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iam_es_model.LabelPolicyIconDarkAdded, model.LabelPolicyIconDarkAdded,
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iam_es_model.LabelPolicyIconDarkRemoved, model.LabelPolicyIconDarkRemoved,
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iam_es_model.LabelPolicyFontAdded, model.LabelPolicyFontAdded,
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iam_es_model.LabelPolicyFontRemoved, model.LabelPolicyFontRemoved,
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iam_es_model.LabelPolicyAssetsRemoved, model.LabelPolicyAssetsRemoved:
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policy, err = m.view.StylingByAggregateIDAndState(event.AggregateID, 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 iam_es_model.LabelPolicyActivated, model.LabelPolicyActivated:
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policy, err = m.view.StylingByAggregateIDAndState(event.AggregateID, 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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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 *es_models.Event, err error) error {
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logging.LogWithFields("SPOOL-2m9fs", "id", event.AggregateID).WithError(err).Warn("something went wrong in label policy handler")
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return spooler.HandleError(event, err, m.view.GetLatestLabelPolicyFailedEvent, m.view.ProcessedLabelPolicyFailedEvent, m.view.ProcessedLabelPolicySequence, m.errorCountUntilSkip)
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}
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func (m *Styling) OnSuccess() error {
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return spooler.HandleSuccess(m.view.UpdateLabelPolicySpoolerRunTimestamp)
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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.uploadFilesToBucket(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 += fmt.Sprint(":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 += fmt.Sprint("}")
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if policy.FontURL != "" {
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cssContent += fmt.Sprintf(fontFaceTemplate, fontname, m.resourceUrl, policy.AggregateID, policy.FontURL)
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}
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cssContent += fmt.Sprint(".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 += fmt.Sprint("}")
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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) uploadFilesToBucket(aggregateID, contentType string, reader io.Reader, size int64) error {
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fileName := domain.CssPath + "/" + domain.CssVariablesFileName
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_, err := m.static.PutObject(context.Background(), aggregateID, fileName, contentType, reader, size, true)
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return err
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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, 1.0))
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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, 0.8))
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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, 0.6))
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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, 0.4))
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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, 0.1))
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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, 0.1))
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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, 0.2))
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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, 0.3))
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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, 0.4))
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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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