[chore] Warn about email/password change when using OIDC (#2975)

* [chore] Warn about email/password change when using OIDC

* go fmt

docs/api/swagger.yaml

@@ -1541,6 +1541,10 @@ definitions:
                 $ref: '#/definitions/InstanceConfigurationEmojis'
             media_attachments:
                 $ref: '#/definitions/instanceConfigurationMediaAttachments'
+            oidc_enabled:
+                description: True if instance is running with OIDC as auth/identity backend, else omitted.
+                type: boolean
+                x-go-name: OIDCEnabled
             polls:
                 $ref: '#/definitions/instanceConfigurationPolls'
             statuses:
@@ -1656,6 +1660,10 @@ definitions:
                 $ref: '#/definitions/InstanceConfigurationEmojis'
             media_attachments:
                 $ref: '#/definitions/instanceConfigurationMediaAttachments'
+            oidc_enabled:
+                description: True if instance is running with OIDC as auth/identity backend, else omitted.
+                type: boolean
+                x-go-name: OIDCEnabled
             polls:
                 $ref: '#/definitions/instanceConfigurationPolls'
             statuses:
@@ -9044,6 +9052,8 @@ paths:
                     description: forbidden
                 "406":
                     description: not acceptable
+                "422":
+                    description: unprocessable request because instance is running with OIDC backend
                 "500":
                     description: internal error
             security:

docs/user_guide/settings.md

@@ -157,13 +157,19 @@ When you are finished updating your post settings, remember to click the `Save p
 
 You can use the Password Change section of the panel to set a new password for your account. For security reasons, you must provide your current password to validate the change.
 
+!!! info
+    If your instance is using OIDC as its authorization/identity provider, you will not be able to change your password via the GoToSocial settings panel, and you should contact your OIDC provider instead.
+
 For more information on the way GoToSocial manages passwords, please see the [Password management document](./password_management.md).
 
 ### Email Change
 
 You can use the Email Change section of the panel to change the email address for your account. For security reasons, you must provide your current password to validate the change.
 
-Once a new email address has been entered, and you have clicked "Change email address", you must open the inbox of the new email address and confirm your address via the link provided. Once you've done that, your email address change will be confirmed, and you should use the new email address to log in.
+Once a new email address has been entered, and you have clicked "Change email address", you must open the inbox of the new email address and confirm your address via the link provided. Once you've done that, your email address change will be confirmed.
+
+!!! info
+    If your instance is using OIDC as its authorization/identity provider, you will be able to change your email address via the settings panel, but it will only affect the email address GoToSocial uses to contact you, it will not change the email address you need to use to log in to your account. To change that, you should contact your OIDC provider.
 
 ## Migration
 

internal/api/client/user/passwordchange.go

@@ -24,10 +24,13 @@ import (
 	"github.com/gin-gonic/gin"
 	apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
 	apiutil "github.com/superseriousbusiness/gotosocial/internal/api/util"
+	"github.com/superseriousbusiness/gotosocial/internal/config"
 	"github.com/superseriousbusiness/gotosocial/internal/gtserror"
 	"github.com/superseriousbusiness/gotosocial/internal/oauth"
 )
 
+const OIDCPasswordHelp = "password change request cannot be processed by GoToSocial as this instance is running with OIDC enabled; you must change password using your OIDC provider"
+
 // PasswordChangePOSTHandler swagger:operation POST /api/v1/user/password_change userPasswordChange
 //
 // Change the password of authenticated user.
@@ -62,6 +65,8 @@ import (
 //			description: forbidden
 //		'406':
 //			description: not acceptable
+//		'422':
+//			description: unprocessable request because instance is running with OIDC backend
 //		'500':
 //			description: internal error
 func (m *Module) PasswordChangePOSTHandler(c *gin.Context) {
@@ -76,6 +81,12 @@ func (m *Module) PasswordChangePOSTHandler(c *gin.Context) {
 		return
 	}
 
+	if config.GetOIDCEnabled() {
+		err := errors.New("instance running with OIDC")
+		apiutil.ErrorHandler(c, gtserror.NewErrorUnprocessableEntity(err, OIDCPasswordHelp), m.processor.InstanceGetV1)
+		return
+	}
+
 	form := &apimodel.PasswordChangeRequest{}
 	if err := c.ShouldBind(form); err != nil {
 		apiutil.ErrorHandler(c, gtserror.NewErrorBadRequest(err, err.Error()), m.processor.InstanceGetV1)

internal/api/model/instancev1.go

@@ -127,4 +127,6 @@ type InstanceV1Configuration struct {
 	Accounts InstanceConfigurationAccounts `json:"accounts"`
 	// Instance configuration pertaining to emojis.
 	Emojis InstanceConfigurationEmojis `json:"emojis"`
+	// True if instance is running with OIDC as auth/identity backend, else omitted.
+	OIDCEnabled bool `json:"oidc_enabled,omitempty"`
 }

internal/api/model/instancev2.go

@@ -163,6 +163,8 @@ type InstanceV2Configuration struct {
 	Translation InstanceV2ConfigurationTranslation `json:"translation"`
 	// Instance configuration pertaining to emojis.
 	Emojis InstanceConfigurationEmojis `json:"emojis"`
+	// True if instance is running with OIDC as auth/identity backend, else omitted.
+	OIDCEnabled bool `json:"oidc_enabled,omitempty"`
 }
 
 // Information about registering for this instance.

internal/config/helpers.gen.go

@@ -2,7 +2,7 @@
 // GoToSocial
 // Copyright (C) GoToSocial Authors admin@gotosocial.org
 // SPDX-License-Identifier: AGPL-3.0-or-later
-// 
+//
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU Affero General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
@@ -4074,4 +4074,3 @@ func GetRequestIDHeader() string { return global.GetRequestIDHeader() }
 
 // SetRequestIDHeader safely sets the value for global configuration 'RequestIDHeader' field
 func SetRequestIDHeader(v string) { global.SetRequestIDHeader(v) }
-

internal/typeutils/internaltofrontend.go

@@ -1328,6 +1328,7 @@ func (c *Converter) InstanceToAPIV1Instance(ctx context.Context, i *gtsmodel.Ins
 	instance.Configuration.Accounts.MaxFeaturedTags = instanceAccountsMaxFeaturedTags
 	instance.Configuration.Accounts.MaxProfileFields = instanceAccountsMaxProfileFields
 	instance.Configuration.Emojis.EmojiSizeLimit = int(config.GetMediaEmojiLocalMaxSize())
+	instance.Configuration.OIDCEnabled = config.GetOIDCEnabled()
 
 	// URLs
 	instance.URLs.StreamingAPI = "wss://" + i.Domain
@@ -1467,6 +1468,7 @@ func (c *Converter) InstanceToAPIV2Instance(ctx context.Context, i *gtsmodel.Ins
 	instance.Configuration.Accounts.MaxFeaturedTags = instanceAccountsMaxFeaturedTags
 	instance.Configuration.Accounts.MaxProfileFields = instanceAccountsMaxProfileFields
 	instance.Configuration.Emojis.EmojiSizeLimit = int(config.GetMediaEmojiLocalMaxSize())
+	instance.Configuration.OIDCEnabled = config.GetOIDCEnabled()
 
 	// registrations
 	instance.Registrations.Enabled = config.GetAccountsRegistrationOpen()

web/source/settings/lib/types/instance.ts

@@ -49,6 +49,7 @@ export interface InstanceConfiguration {
     polls:             InstancePolls;
     accounts:          InstanceAccounts;
     emojis:            InstanceEmojis;
+    oidc_enabled?:     boolean;
 }
 
 export interface InstanceAccounts {

web/source/settings/views/user/settings.tsx

@@ -28,6 +28,7 @@ import { useVerifyCredentialsQuery } from "../../lib/query/oauth";
 import { useEmailChangeMutation, usePasswordChangeMutation, useUpdateCredentialsMutation, useUserQuery } from "../../lib/query/user";
 import Loading from "../../components/loading";
 import { User } from "../../lib/types/user";
+import { useInstanceV1Query } from "../../lib/query/gts-api";
 
 export default function UserSettings() {
 	return (
@@ -106,6 +107,24 @@ function UserSettingsForm({ data }) {
 }
 
 function PasswordChange() {
+	// Load instance data.
+	const {
+		data: instance,
+		isFetching: isFetchingInstance,
+		isLoading: isLoadingInstance
+	} = useInstanceV1Query();
+	if (isFetchingInstance || isLoadingInstance) {
+		return <Loading />;
+	}
+
+	if (instance === undefined) {
+		throw "could not fetch instance";
+	}
+
+	return <PasswordChangeForm oidcEnabled={instance.configuration.oidc_enabled} />;
+}
+
+function PasswordChangeForm({ oidcEnabled }: { oidcEnabled?: boolean }) {
 	const form = {
 		oldPassword: useTextInput("old_password"),
 		newPassword: useTextInput("new_password", {
@@ -133,6 +152,13 @@ function PasswordChange() {
 		<form className="change-password" onSubmit={submitForm}>
 			<div className="form-section-docs">
 				<h3>Change Password</h3>
+				{ oidcEnabled && <p>
+					This instance is running with OIDC as its authorization + identity provider.
+					<br/>
+					This means <strong>you cannot change your password using this settings panel</strong>.
+					<br/>
+					To change your password, you should instead contact your OIDC provider.
+				</p> }
 				<a
 					href="https://docs.gotosocial.org/en/latest/user_guide/settings/#password-change"
 					target="_blank"
@@ -142,12 +168,14 @@ function PasswordChange() {
 					Learn more about this (opens in a new tab)
 				</a>
 			</div>
+			
 			<TextInput
 				type="password"
 				name="password"
 				field={form.oldPassword}
 				label="Current password"
 				autoComplete="current-password"
+				disabled={oidcEnabled}
 			/>
 			<TextInput
 				type="password"
@@ -155,6 +183,7 @@ function PasswordChange() {
 				field={form.newPassword}
 				label="New password"
 				autoComplete="new-password"
+				disabled={oidcEnabled}
 			/>
 			<TextInput
 				type="password"
@@ -162,20 +191,36 @@ function PasswordChange() {
 				field={verifyNewPassword}
 				label="Confirm new password"
 				autoComplete="new-password"
+				disabled={oidcEnabled}
 			/>
 			<MutationButton
-				disabled={false}
 				label="Change password"
 				result={result}
+				disabled={oidcEnabled ?? false}
 			/>
 		</form>
 	);
 }
 
 function EmailChange() {
-	// Load existing user data.
+	// Load instance data.
-	const { data: user, isFetching, isLoading } = useUserQuery();
+	const {
-	if (isFetching || isLoading) {
+		data: instance,
+		isFetching: isFetchingInstance,
+		isLoading: isLoadingInstance
+	} = useInstanceV1Query();
+	
+	// Load user data.
+	const {
+		data: user,
+		isFetching: isFetchingUser,
+		isLoading: isLoadingUser
+	} = useUserQuery();
+
+	if (
+		(isFetchingInstance || isLoadingInstance) ||
+		(isFetchingUser || isLoadingUser)
+	) {
 		return <Loading />;
 	}
 
@@ -183,10 +228,14 @@ function EmailChange() {
 		throw "could not fetch user";
 	}
 
-	return <EmailChangeForm user={user} />;
+	if (instance === undefined) {
+		throw "could not fetch instance";
+	}
+
+	return <EmailChangeForm user={user} oidcEnabled={instance.configuration.oidc_enabled} />;
 }
 
-function EmailChangeForm({user}: {user: User}) {
+function EmailChangeForm({user, oidcEnabled}: { user: User, oidcEnabled?: boolean }) {
 	const form = {
 		currentEmail: useTextInput("current_email", {
 			defaultValue: user.email,
@@ -217,6 +266,15 @@ function EmailChangeForm({user}: {user: User}) {
 		<form className="change-email" onSubmit={submitForm}>
 			<div className="form-section-docs">
 				<h3>Change Email</h3>
+				{ oidcEnabled && <p>
+					This instance is running with OIDC as its authorization + identity provider.
+					<br/>
+					You can still change your email address using this settings panel,
+					but it will only affect which address GoToSocial uses to contact you,
+					not the email address you use to log in.
+					<br/>
+					To change the email address you use to log in, contact your OIDC provider.
+				</p> }
 				<a
 					href="https://docs.gotosocial.org/en/latest/user_guide/settings/#email-change"
 					target="_blank"
@@ -227,7 +285,7 @@ function EmailChangeForm({user}: {user: User}) {
 				</a>
 			</div>
 
-			{ user.unconfirmed_email && <>
+			{ (user.unconfirmed_email && user.unconfirmed_email !== user.email) && <>
 				<div className="info">
 					<i className="fa fa-fw fa-info-circle" aria-hidden="true"></i>
 					<b>