[Glitch] Add direct link to the Single-Sign On provider if there is only one sign up method available (#26083)

Port 120f5802c0 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/interaction_modal/index.jsx

@@ -13,7 +13,7 @@ import { openModal, closeModal } from 'flavours/glitch/actions/modal';
 import api from 'flavours/glitch/api';
 import Button from 'flavours/glitch/components/button';
 import { Icon } from 'flavours/glitch/components/icon';
-import { registrationsOpen } from 'flavours/glitch/initial_state';
+import { registrationsOpen, sso_redirect } from 'flavours/glitch/initial_state';
 
 const messages = defineMessages({
   loginPrompt: { id: 'interaction_modal.login.prompt', defaultMessage: 'Domain of your home server, e.g. mastodon.social' },
@@ -331,7 +331,15 @@ class InteractionModal extends React.PureComponent {
     }
 
     let signupButton;
+    let signUpOrSignInButton;
 
+    if (sso_redirect) {
+      signUpOrSignInButton = (
+        <a href={sso_redirect} data-method='post' className='button button--block button-tertiary'>
+          <FormattedMessage id='sign_in_banner.sso_redirect' defaultMessage='Login or Register' />
+        </a>
+      )
+    } else {
       if(registrationsOpen) {
         signupButton = (
           <a href='/auth/sign_up' className='link-button'>
@@ -340,12 +348,22 @@ class InteractionModal extends React.PureComponent {
         );
       } else {
         signupButton = (
-        <button className='link-button' onClick={this.handleSignupClick}>
+          <button className='button button--block button-tertiary' onClick={this.handleSignupClick}>
             <FormattedMessage id='sign_in_banner.create_account' defaultMessage='Create account' />
           </button>
         );
       }
 
+      signUpOrSignInButton = (
+        <>
+          <a href='/auth/sign_in' className='button button--block'>
+            <FormattedMessage id='sign_in_banner.sign_in' defaultMessage='Login' />
+          </a>
+          {signupButton}
+        </>
+      );
+    }
+
     return (
       <div className='modal-root__modal interaction-modal'>
         <div className='interaction-modal__lead'>
@@ -353,6 +371,13 @@ class InteractionModal extends React.PureComponent {
           <p>{actionDescription} <strong><FormattedMessage id='interaction_modal.sign_in' defaultMessage='You are not logged in to this server. Where is your account hosted?' /></strong></p>
         </div>
 
+        <div className='interaction-modal__choices'>
+          <div className='interaction-modal__choices__choice'>
+            <h3><FormattedMessage id='interaction_modal.on_this_server' defaultMessage='On this server' /></h3>
+            {signUpOrSignInButton}
+          </div>
+        </div>
+
         <IntlLoginForm resourceUrl={url} />
 
         <p className='hint'><FormattedMessage id='interaction_modal.sign_in_hint' defaultMessage="Tip: That's the website where you signed up. If you don't remember, look for the welcome e-mail in your inbox. You can also enter your full username! (e.g. @Mastodon@mastodon.social)" /></p>

app/javascript/flavours/glitch/features/ui/components/header.jsx

@@ -13,7 +13,7 @@ import { Avatar } from 'flavours/glitch/components/avatar';
 import { Icon } from 'flavours/glitch/components/icon';
 import { WordmarkLogo, SymbolLogo } from 'flavours/glitch/components/logo';
 import Permalink from 'flavours/glitch/components/permalink';
-import { registrationsOpen, me } from 'flavours/glitch/initial_state';
+import { registrationsOpen, me, sso_redirect } from 'flavours/glitch/initial_state';
 
 const Account = connect(state => ({
   account: state.getIn(['accounts', me]),
@@ -74,6 +74,12 @@ class Header extends PureComponent {
         </>
       );
     } else {
+
+      if (sso_redirect) {
+        content = (
+            <a href={sso_redirect} data-method='post' className='button button--block button-tertiary'><FormattedMessage id='sign_in_banner.sso_redirect' defaultMessage='Login or Register' /></a>
+        )
+      } else {
         let signupButton;
 
         if (registrationsOpen) {
@@ -97,6 +103,7 @@ class Header extends PureComponent {
           </>
         );
       }
+    }
 
     return (
       <div className='ui__header'>

app/javascript/flavours/glitch/features/ui/components/sign_in_banner.jsx

@@ -3,7 +3,7 @@ import { useCallback } from 'react';
 import { FormattedMessage } from 'react-intl';
 
 import { openModal } from 'flavours/glitch/actions/modal';
-import { registrationsOpen } from 'flavours/glitch/initial_state';
+import { registrationsOpen, sso_redirect } from 'flavours/glitch/initial_state';
 import { useAppDispatch, useAppSelector } from 'flavours/glitch/store';
 
 const SignInBanner = () => {
@@ -18,6 +18,15 @@ const SignInBanner = () => {
 
       const signupUrl = useAppSelector((state) => state.getIn(['server', 'server', 'registrations', 'url'], null) || '/auth/sign_up');
 
+      if (sso_redirect) {
+    return (
+      <div className='sign-in-banner'>
+        <p><FormattedMessage id='sign_in_banner.text' defaultMessage='Login to follow profiles or hashtags, favorite, share and reply to posts. You can also interact from your account on a different server.' /></p>
+        <a href={sso_redirect} data-method='post' className='button button--block button-tertiary'><FormattedMessage id='sign_in_banner.sso_redirect' defaultMessage='Login or Register' /></a>
+      </div>
+    )
+  }
+
   if (registrationsOpen) {
     signupButton = (
       <a href={signupUrl} className='button button--block'>

app/javascript/flavours/glitch/initial_state.js

@@ -82,6 +82,7 @@
  * @property {boolean} use_blurhash
  * @property {boolean=} use_pending_items
  * @property {string} version
+ * @property {string} sso_redirect
  * @property {boolean} translation_enabled
  * @property {string} status_page_url
  * @property {boolean} system_emoji_font
@@ -160,6 +161,7 @@ export const usePendingItems = getMeta('use_pending_items');
 export const version = getMeta('version');
 export const languages = initialState?.languages;
 export const statusPageUrl = getMeta('status_page_url');
+export const sso_redirect = getMeta('sso_redirect');
 
 // Glitch-soc-specific settings
 export const maxChars = (initialState && initialState.max_toot_chars) || 500;