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diff --git a/lib/Travelynx/Command/account.pm b/lib/Travelynx/Command/account.pm
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+package Travelynx::Command::account;
+
+# Copyright (C) 2021 Daniel Friesel
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+use Mojo::Base 'Mojolicious::Command';
+use Crypt::Eksblowfish::Bcrypt qw(bcrypt en_base64);
+use UUID::Tiny qw(:std);
+
+has description => 'Add or remove user accounts';
+
+has usage => sub { shift->extract_usage };
+
+sub hash_password {
+	my ($password) = @_;
+	my @salt_bytes = map { int( rand(255) ) + 1 } ( 1 .. 16 );
+	my $salt       = en_base64( pack( 'C[16]', @salt_bytes ) );
+
+	return bcrypt( $password, '$2a$12$' . $salt );
+}
+
+sub add_user {
+	my ( $self, $name, $email ) = @_;
+
+	my $db = $self->app->pg->db;
+
+	if ( my $error = $self->app->users->is_name_invalid( name => $name ) ) {
+		say "Cannot add account '$name': $error";
+		die;
+	}
+
+	my $token         = "tmp";
+	my $password      = substr( create_uuid_as_string(UUID_V4), 0, 18 );
+	my $password_hash = hash_password($password);
+
+	my $tx      = $db->begin;
+	my $user_id = $self->app->users->add_user(
+		db            => $db,
+		name          => $name,
+		email         => $email,
+		token         => $token,
+		password_hash => $password_hash,
+	);
+	my $success = $self->app->users->verify_registration_token(
+		db             => $db,
+		uid            => $user_id,
+		token          => $token,
+		in_transaction => 1,
+	);
+
+	if ($success) {
+		$tx->commit;
+		say "Added user $name ($email) with UID $user_id";
+		say "Temporary password for login: $password";
+	}
+}
+
+sub delete_user {
+	my ( $self, $uid ) = @_;
+
+	my $user_data = $self->app->users->get_data( uid => $uid );
+
+	if ( not $user_data ) {
+		say "UID $uid does not exist.";
+		return;
+	}
+
+	$self->app->users->flag_deletion( uid => $uid );
+
+	say "User $user_data->{name} (UID $uid) has been flagged for deletion.";
+}
+
+sub really_delete_user {
+	my ( $self, $uid, $name ) = @_;
+
+	my $user_data = $self->app->users->get_data( uid => $uid );
+
+	if ( $user_data->{name} ne $name ) {
+		say
+		  "User name $name does not match UID $uid. Account deletion aborted.";
+		return;
+	}
+
+	say "Immediate deletion is not implemented yet.";
+	return;
+}
+
+sub run {
+	my ( $self, $command, @args ) = @_;
+
+	if ( $command eq 'add' ) {
+		$self->add_user(@args);
+	}
+	elsif ( $command eq 'delete' ) {
+		$self->delete_user(@args);
+	}
+	elsif ( $command eq 'DELETE' ) {
+		$self->really_delete_user(@args);
+	}
+	else {
+		$self->help;
+	}
+}
+
+1;
+
+__END__
+
+=head1 SYNOPSIS
+
+  Usage: index.pl account add [name] [email]
+
+  Adds user [name] with a temporary password, which is shown on stdout.
+  Users can change the password once logged in.
+
+  Usage: index.pl account delete [uid]
+
+  Request deletion of user [uid]. This has the same effect as using the
+  account deletion button. The user account and all corresponding data will
+  be deleted by a maintenance run after three days.
+
+  Usage: index.pl account DELETE [uid] [name]
+
+  Immediately delete user [uid]/[name] and all associated data. Deletion is
+  irrevocable. Deletion is only performed if [name] matches the name of [uid].