Added command to reset user MFA

Includes tests to cover the command.

app/Console/Commands/ResetMfa.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use BookStack\Auth\User;
+use Illuminate\Console\Command;
+
+class ResetMfa extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:reset-mfa
+                            {--id= : Numeric ID of the user to reset MFA for}
+                            {--email= : Email address of the user to reset MFA for} 
+                            ';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Reset & Clear any configured MFA methods for the given user';
+
+    /**
+     * Create a new command instance.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    /**
+     * Execute the console command.
+     *
+     * @return mixed
+     */
+    public function handle()
+    {
+        $id = $this->option('id');
+        $email = $this->option('email');
+        if (!$id && !$email) {
+            $this->error('Either a --id=<number> or --email=<email> option must be provided.');
+            return 1;
+        }
+
+        /** @var User $user */
+        $field = $id ? 'id' : 'email';
+        $value = $id ?: $email;
+        $user = User::query()
+            ->where($field, '=', $value)
+            ->first();
+
+        if (!$user) {
+            $this->error("A user where {$field}={$value} could not be found.");
+            return 1;
+        }
+
+        $this->info("This will delete any configure multi-factor authentication methods for user: \n- ID: {$user->id}\n- Name: {$user->name}\n- Email: {$user->email}\n");
+        $this->info('If multi-factor authentication is required for this user they will be asked to reconfigure their methods on next login.');
+        $confirm = $this->confirm('Are you sure you want to proceed?');
+        if ($confirm) {
+            $user->mfaValues()->delete();
+            $this->info('User MFA methods have been reset.');
+            return 0;
+        }
+
+        return 1;
+    }
+}

tests/Commands/ResetMfaCommandTest.php

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+<?php
+
+namespace Tests\Commands;
+
+use BookStack\Auth\Access\Mfa\MfaValue;
+use BookStack\Auth\User;
+use Tests\TestCase;
+
+class ResetMfaCommandTest extends TestCase
+{
+    public function test_command_requires_email_or_id_option()
+    {
+        $this->artisan('bookstack:reset-mfa')
+            ->expectsOutput('Either a --id=<number> or --email=<email> option must be provided.')
+            ->assertExitCode(1);
+    }
+
+    public function test_command_runs_with_provided_email()
+    {
+        /** @var User $user */
+        $user = User::query()->first();
+        MfaValue::upsertWithValue($user, MfaValue::METHOD_TOTP, 'test');
+
+        $this->assertEquals(1, $user->mfaValues()->count());
+        $this->artisan("bookstack:reset-mfa --email={$user->email}")
+            ->expectsQuestion('Are you sure you want to proceed?', true)
+            ->expectsOutput('User MFA methods have been reset.')
+            ->assertExitCode(0);
+        $this->assertEquals(0, $user->mfaValues()->count());
+    }
+
+    public function test_command_runs_with_provided_id()
+    {
+        /** @var User $user */
+        $user = User::query()->first();
+        MfaValue::upsertWithValue($user, MfaValue::METHOD_TOTP, 'test');
+
+        $this->assertEquals(1, $user->mfaValues()->count());
+        $this->artisan("bookstack:reset-mfa --id={$user->id}")
+            ->expectsQuestion('Are you sure you want to proceed?', true)
+            ->expectsOutput('User MFA methods have been reset.')
+            ->assertExitCode(0);
+        $this->assertEquals(0, $user->mfaValues()->count());
+    }
+
+    public function test_saying_no_to_confirmation_does_not_reset_mfa()
+    {
+        /** @var User $user */
+        $user = User::query()->first();
+        MfaValue::upsertWithValue($user, MfaValue::METHOD_TOTP, 'test');
+
+        $this->assertEquals(1, $user->mfaValues()->count());
+        $this->artisan("bookstack:reset-mfa --id={$user->id}")
+            ->expectsQuestion('Are you sure you want to proceed?', false)
+            ->assertExitCode(1);
+        $this->assertEquals(1, $user->mfaValues()->count());
+    }
+
+    public function test_giving_non_existing_user_shows_error_message()
+    {
+        $this->artisan("bookstack:reset-mfa --email=donkeys@example.com")
+            ->expectsOutput('A user where email=donkeys@example.com could not be found.')
+            ->assertExitCode(1);
+    }
+}