UNIT3D-Community-Edition/app/Http/Controllers/User/EmailController.php

<?php
/**
 * NOTICE OF LICENSE.
 *
 * UNIT3D Community Edition is open-sourced software licensed under the GNU Affero General Public License v3.0
 * The details is bundled with this project in the file LICENSE.txt.
 *
 * @project    UNIT3D Community Edition
 *
 * @author     Roardom <roardom@protonmail.com>
 * @license    https://www.gnu.org/licenses/agpl-3.0.en.html/ GNU Affero General Public License v3.0
 */

namespace App\Http\Controllers\User;

use App\Http\Controllers\Controller;
use App\Models\PrivateMessage;
use App\Models\User;
use App\Rules\EmailBlacklist;
use Illuminate\Http\Request;

class EmailController extends Controller
{
    /**
     * Update user email.
     */
    protected function update(Request $request, User $user): \Illuminate\Http\RedirectResponse
    {
        abort_unless($request->user()->id == $user->id || $request->user()->group->is_modo, 403);

        $changedByStaff = $request->user()->id !== $user->id;

        abort_if($changedByStaff && ! $request->user()->group->is_owner && $request->user()->group->level < $user->group->level, 403);

        if (config('email-blacklist.enabled')) {
            $request->validate([
                'email' => [
                    'required',
                    'string',
                    'email',
                    'max:70',
                    'unique:users',
                    new EmailBlacklist(),
                ],
            ]);
        } else {
            $request->validate([
                'email' => 'required|string|email|max:70|unique:users',
            ]);
        }

        $user->email = $request->email;
        $user->save();

        if ($changedByStaff) {
            PrivateMessage::create([
                'sender_id'   => 1,
                'receiver_id' => $user->id,
                'subject'     => 'ATTENTION - Your email has been changed',
                'message'     => "Your email has been changed by staff.\n\nFor more information, please create a helpdesk ticket.\n\n[color=red][b]THIS IS AN AUTOMATED SYSTEM MESSAGE, PLEASE DO NOT REPLY![/b][/color]",
            ]);
        }

        return to_route('users.email.edit', ['user' => $user])
            ->withSuccess('Your email was updated successfully.');
    }

    /**
     * Edit user email.
     */
    public function edit(Request $request, User $user): \Illuminate\Contracts\View\Factory|\Illuminate\View\View
    {
        abort_unless($request->user()->id == $user->id || $request->user()->group->is_modo, 403);

        return view('user.email.edit', ['user' => $user]);
    }
}