path: root/IkiWiki/Plugin/passwordauth.pm

#!/usr/bin/perl
# Ikiwiki password authentication.
package IkiWiki::Plugin::passwordauth;

use warnings;
use strict;
use IkiWiki 2.00;

sub import { #{{{
        hook(type => "formbuilder_setup", id => "passwordauth",
        call => \&formbuilder_setup);
        hook(type => "formbuilder", id => "passwordauth",
        call => \&formbuilder);
} # }}}

sub formbuilder_setup (@) { #{{{
    my %params=@_;

    my $form=$params{form};
    my $session=$params{session};
    my $cgi=$params{cgi};

    if ($form->title eq "signin" || $form->title eq "register") {
        $form->field(name => "name", required => 0);
        $form->field(name => "password", type => "password", required => 0);
        
        if ($form->submitted eq "Register" || $form->submitted eq "Create Account") {
            $form->field(name => "confirm_password", type => "password");
            $form->field(name => "account_creation_password", type => "password") if (length $config{account_creation_password});
            $form->field(name => "email", size => 50);
            $form->title("register");
            $form->text("");
        
            $form->field(name => "confirm_password",
                validate => sub {
                    shift eq $form->field("password");
                },
            );
            $form->field(name => "password",
                validate => sub {
                    shift eq $form->field("confirm_password");
                },
            );
        }

        if ($form->submitted) {
            my $submittype=$form->submitted;
            # Set required fields based on how form was submitted.
            my %required=(
                "Login" => [qw(name password)],
                "Register" => [],
                "Create Account" => [qw(name password confirm_password email)],
                "Mail Password" => [qw(name)],
            );
            foreach my $opt (@{$required{$submittype}}) {
                $form->field(name => $opt, required => 1);
            }
    
            if ($submittype eq "Create Account") {
                $form->field(
                    name => "account_creation_password",
                    validate => sub {
                        shift eq $config{account_creation_password};
                    },
                    required => 1,
                ) if (length $config{account_creation_password});
                $form->field(
                    name => "email",
                    validate => "EMAIL",
                );
            }

            # Validate password against name for Login.
            if ($submittype eq "Login") {
                $form->field(
                    name => "password",
                    validate => sub {
                        length $form->field("name") &&
                        shift eq IkiWiki::userinfo_get($form->field("name"), 'password');
                    },
                );
            }
            elsif ($submittype eq "Register" ||
                   $submittype eq "Create Account" ||
                   $submittype eq "Mail Password") {
                $form->field(name => "password", validate => 'VALUE');
            }
            
            # And make sure the entered name exists when logging
            # in or sending email, and does not when registering.
            if ($submittype eq 'Create Account' ||
                $submittype eq 'Register') {
                $form->field(
                    name => "name",
                    validate => sub {
                        my $name=shift;
                        length $name &&
                        $name=~/$config{wiki_file_regexp}/ &&
                        ! IkiWiki::userinfo_get($name, "regdate");
                    },
                );
            }
            elsif ($submittype eq "Login" ||
                   $submittype eq "Mail Password") {
                $form->field( 
                    name => "name",
                    validate => sub {
                        my $name=shift;
                        length $name &&
                        IkiWiki::userinfo_get($name, "regdate");
                    },
                );
            }
        }
        else {
            # First time settings.
            $form->field(name => "name");
            if ($session->param("name")) {
                $form->field(name => "name", value => $session->param("name"));
            }
        }
    }
    elsif ($form->title eq "preferences") {
        $form->field(name => "name", disabled => 1, 
            value => $session->param("name"), force => 1,
            fieldset => "login");
        $form->field(name => "password", type => "password",
            fieldset => "login",
            validate => sub {
                shift eq $form->field("confirm_password");
            }),
        $form->field(name => "confirm_password", type => "password",
            fieldset => "login",
            validate => sub {
                shift eq $form->field("password");
            }),
    }
}

sub formbuilder (@) { #{{{
    my %params=@_;

    my $form=$params{form};
    my $session=$params{session};
    my $cgi=$params{cgi};
    my $buttons=$params{buttons};

    if ($form->title eq "signin" || $form->title eq "register") {
        if ($form->submitted && $form->validate) {
            if ($form->submitted eq 'Login') {
                $session->param("name", $form->field("name"));
                IkiWiki::cgi_postsignin($cgi, $session);
            }
            elsif ($form->submitted eq 'Create Account') {
                my $user_name=$form->field('name');
                if (IkiWiki::userinfo_setall($user_name, {
                        'email' => $form->field('email'),
                    'password' => $form->field('password'),
                    'regdate' => time})) {
                    $form->field(name => "confirm_password", type => "hidden");
                    $form->field(name => "email", type => "hidden");
                    $form->text(gettext("Account creation successful. Now you can Login."));
                }
                else {
                    error(gettext("Error creating account."));
                }
            }
            elsif ($form->submitted eq 'Mail Password') {
                my $user_name=$form->field("name");
                my $template=template("passwordmail.tmpl");
                $template->param(
                    user_name => $user_name,
                    user_password => IkiWiki::userinfo_get($user_name, "password"),
                    wikiurl => $config{url},
                    wikiname => $config{wikiname},
                    REMOTE_ADDR => $ENV{REMOTE_ADDR},
                );
            
                eval q{use Mail::Sendmail};
                error($@) if $@;
                sendmail(
                    To => IkiWiki::userinfo_get($user_name, "email"),
                    From => "$config{wikiname} admin <$config{adminemail}>",
                    Subject => "$config{wikiname} information",
                    Message => $template->output,
                ) or error(gettext("Failed to send mail"));
            
                $form->text(gettext("Your password has been emailed to you."));
                $form->field(name => "name", required => 0);
                push @$buttons, "Mail Password";
            }
            elsif ($form->submitted eq "Register") {
                @$buttons="Create Account";
            }
        }
        elsif ($form->submitted eq "Create Account") {
            @$buttons="Create Account";
        }
        else {
            push @$buttons, "Register", "Mail Password";
        }
    }
    elsif ($form->title eq "preferences") {
        if ($form->submitted eq "Save Preferences" && $form->validate) {
            my $user_name=$form->field('name');
                    foreach my $field (qw(password)) {
                            if (defined $form->field($field) && length $form->field($field)) {
                    IkiWiki::userinfo_set($user_name, $field, $form->field($field)) ||
                        error("failed to set $field");
                            }
                    }
        }
    }
} #}}}

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