fix: define base uri for login v2 feature as string to make it config… (#10533)

…urable

# Which Problems Are Solved

BaseURI defined in environment variables or configuration files was
ignored for Login v2 feature flag.

# How the Problems Are Solved

Define BaseURI as string so that the environment variables and
configuration files can be parsed into it.

# Additional Changes

None

# Additional Context

Closes #10405

(cherry picked from commit 2a78fdfe1f)

internal/command/instance.go

@@ -2,6 +2,7 @@ package command
 
 import (
 	"context"
+	"net/url"
 	"strings"
 	"time"
 
@@ -14,6 +15,7 @@ import (
 	"github.com/zitadel/zitadel/internal/crypto"
 	"github.com/zitadel/zitadel/internal/domain"
 	"github.com/zitadel/zitadel/internal/eventstore"
+	"github.com/zitadel/zitadel/internal/feature"
 	"github.com/zitadel/zitadel/internal/i18n"
 	"github.com/zitadel/zitadel/internal/id"
 	"github.com/zitadel/zitadel/internal/notification/channels/smtp"
@@ -122,12 +124,59 @@ type InstanceSetup struct {
 	SMTPConfiguration      *SMTPConfiguration
 	OIDCSettings           *OIDCSettings
 	Quotas                 *SetQuotas
-	Features               *InstanceFeatures
+	Features               *InstanceSetupFeatures
 	Limits                 *SetLimits
 	Restrictions           *SetRestrictions
 	RolePermissionMappings []authz.RoleMapping
 }
 
+type InstanceSetupFeatures struct {
+	LoginDefaultOrg                *bool
+	UserSchema                     *bool
+	TokenExchange                  *bool
+	ImprovedPerformance            []feature.ImprovedPerformanceType
+	DebugOIDCParentError           *bool
+	OIDCSingleV1SessionTermination *bool
+	EnableBackChannelLogout        *bool
+	LoginV2                        *InstanceSetupFeatureLoginV2
+	PermissionCheckV2              *bool
+	ConsoleUseV2UserApi            *bool
+}
+
+type InstanceSetupFeatureLoginV2 struct {
+	Required bool    `json:"required,omitempty"`
+	BaseURI  *string `json:"base_uri,omitempty"`
+}
+
+func (f *InstanceSetupFeatures) ToInstanceFeatures() (_ *InstanceFeatures, err error) {
+	if f == nil {
+		return nil, nil
+	}
+	var loginV2 *feature.LoginV2
+	if f.LoginV2 != nil {
+		loginV2 = &feature.LoginV2{Required: f.LoginV2.Required}
+		if f.LoginV2.BaseURI != nil {
+			loginV2.BaseURI, err = url.Parse(*f.LoginV2.BaseURI)
+			if err != nil {
+				return nil, err
+			}
+		}
+	}
+
+	return &InstanceFeatures{
+		LoginDefaultOrg:                f.LoginDefaultOrg,
+		UserSchema:                     f.UserSchema,
+		TokenExchange:                  f.TokenExchange,
+		ImprovedPerformance:            f.ImprovedPerformance,
+		DebugOIDCParentError:           f.DebugOIDCParentError,
+		OIDCSingleV1SessionTermination: f.OIDCSingleV1SessionTermination,
+		EnableBackChannelLogout:        f.EnableBackChannelLogout,
+		LoginV2:                        loginV2,
+		PermissionCheckV2:              f.PermissionCheckV2,
+		ConsoleUseV2UserApi:            f.ConsoleUseV2UserApi,
+	}, nil
+}
+
 type SMTPConfiguration struct {
 	Description    string
 	SMTP           smtp.SMTP
@@ -421,7 +470,7 @@ func setupQuotas(commands *Commands, validations *[]preparation.Validation, setQ
 	return nil
 }
 
-func setupFeatures(validations *[]preparation.Validation, features *InstanceFeatures, instanceID string) {
+func setupFeatures(validations *[]preparation.Validation, features *InstanceSetupFeatures, instanceID string) {
 	if features != nil {
 		*validations = append(*validations, prepareSetFeatures(instanceID, features))
 	}