Add an artisan command to change password

app/Console/Commands/ChangePasswordCommand.php

@@ -0,0 +1,84 @@
+<?php
+
+namespace BookStack\Console\Commands;
+
+use BookStack\Users\Models\Role;
+use BookStack\Users\UserRepo;
+use Illuminate\Console\Command;
+use Illuminate\Support\Facades\Hash;
+use Illuminate\Support\Facades\Validator;
+use Illuminate\Support\Str;
+use Illuminate\Validation\Rules\Password;
+use Illuminate\Validation\Rules\Unique;
+
+class ChangePasswordCommand extends Command
+{
+    /**
+     * The name and signature of the console command.
+     *
+     * @var string
+     */
+    protected $signature = 'bookstack:change-password
+                            {--email= : The email address of the account}
+                            {--password= : The password to assign}';
+
+    /**
+     * The console command description.
+     *
+     * @var string
+     */
+    protected $description = 'Change the password of a user';
+
+    /**
+     * Execute the console command.
+     */
+    public function handle(UserRepo $userRepo): int
+    {
+        $details = $this->snakeCaseOptions();
+
+        if (empty($details['email'])) {
+            $details['email'] = $this->ask('Please specify an email address');
+        }
+
+        if (empty($details['password'])) {
+	    $details['password'] = $this->ask('Please specify a password (8 characters minimum)');
+        }
+
+        $validator = Validator::make($details, [
+            'email'            => ['required', 'email', 'min:5'],
+            'password'         => [Password::default()],
+        ]);
+
+        if ($validator->fails()) {
+            foreach ($validator->errors()->all() as $error) {
+                $this->error($error);
+            }
+
+            return 1;
+        }
+
+	$user = $userRepo->getByEmail($details['email']);
+
+	if (empty($user)) {
+	    $this->error("Could not find user!");
+	    return 1;
+	}
+
+	$user->password = Hash::make($details['password']);
+        $user->save();
+
+        $this->info("Password for account with email \"{$user->email}\" successfully updated!");
+
+        return 0;
+    }
+
+    protected function snakeCaseOptions(): array
+    {
+        $returnOpts = [];
+        foreach ($this->options() as $key => $value) {
+            $returnOpts[str_replace('-', '_', $key)] = $value;
+        }
+
+        return $returnOpts;
+    }
+}