use warnings;
use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
-sub import { #{{{
- hook(type => "formbuilder_setup", id => "passwordauth",
- call => \&formbuilder_setup);
- hook(type => "formbuilder", id => "passwordauth",
- call => \&formbuilder);
-} # }}}
+sub import {
+ hook(type => "getsetup", id => "passwordauth", "call" => \&getsetup);
+ hook(type => "formbuilder_setup", id => "passwordauth", call => \&formbuilder_setup);
+ hook(type => "formbuilder", id => "passwordauth", call => \&formbuilder);
+ hook(type => "sessioncgi", id => "passwordauth", call => \&sessioncgi);
+ hook(type => "auth", id => "passwordauth", call => \&auth);
+}
+
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ rebuild => 0,
+ section => "auth",
+ },
+ account_creation_password => {
+ type => "string",
+ example => "s3cr1t",
+ description => "a password that must be entered when signing up for an account",
+ safe => 1,
+ rebuild => 0,
+ },
+ password_cost => {
+ type => "integer",
+ example => 8,
+ description => "cost of generating a password using Authen::Passphrase::BlowfishCrypt",
+ safe => 1,
+ rebuild => 0,
+ },
+}
+
+# Checks if a string matches a user's password, and returns true or false.
+sub checkpassword ($$;$) {
+ my $user=shift;
+ my $password=shift;
+ my $field=shift || "password";
+
+ # It's very important that the user not be allowed to log in with
+ # an empty password!
+ if (! length $password) {
+ return 0;
+ }
+
+ my $userinfo=IkiWiki::userinfo_retrieve();
+ if (! length $user || ! defined $userinfo ||
+ ! exists $userinfo->{$user} || ! ref $userinfo->{$user}) {
+ return 0;
+ }
+
+ my $ret=0;
+ if (exists $userinfo->{$user}->{"crypt".$field}) {
+ eval q{use Authen::Passphrase};
+ error $@ if $@;
+ my $p = Authen::Passphrase->from_crypt($userinfo->{$user}->{"crypt".$field});
+ $ret=$p->match($password);
+ }
+ elsif (exists $userinfo->{$user}->{$field}) {
+ $ret=$password eq $userinfo->{$user}->{$field};
+ }
+
+ if ($ret &&
+ (exists $userinfo->{$user}->{resettoken} ||
+ exists $userinfo->{$user}->{cryptresettoken})) {
+ # Clear reset token since the user has successfully logged in.
+ delete $userinfo->{$user}->{resettoken};
+ delete $userinfo->{$user}->{cryptresettoken};
+ IkiWiki::userinfo_store($userinfo);
+ }
+
+ return $ret;
+}
+
+sub setpassword ($$;$) {
+ my $user=shift;
+ my $password=shift;
+ my $field=shift || "password";
+
+ eval q{use Authen::Passphrase::BlowfishCrypt};
+ if (! $@) {
+ my $p = Authen::Passphrase::BlowfishCrypt->new(
+ cost => $config{password_cost} || 8,
+ salt_random => 1,
+ passphrase => $password,
+ );
+ IkiWiki::userinfo_set($user, "crypt$field", $p->as_crypt);
+ IkiWiki::userinfo_set($user, $field, "");
+ }
+ else {
+ IkiWiki::userinfo_set($user, $field, $password);
+ }
+
+ # Setting the password clears any passwordless login token.
+ if ($field ne 'passwordless') {
+ IkiWiki::userinfo_set($user, "passwordless", "");
+ }
+}
+
+# Generates a token that can be used to log the user in.
+# This needs to be hard to guess. Generating a cgi session id will
+# make it as hard to guess as any cgi session.
+sub gentoken ($$;$) {
+ my $user=shift;
+ my $tokenfield=shift;
+ my $reversable=shift;
+
+ eval q{use CGI::Session};
+ error($@) if $@;
+ my $token = CGI::Session->new("driver:DB_File", undef, {FileName => "/dev/null"})->id;
+ if (! $reversable) {
+ setpassword($user, $token, $tokenfield);
+ }
+ else {
+ IkiWiki::userinfo_set($user, $tokenfield, $token);
+ }
+ return $token;
+}
+
+# An anonymous user has no normal password, only a passwordless login
+# token. Given an email address, this sets up such a user for that email,
+# unless one already exists, and returns the username.
+sub anonuser ($) {
+ my $email=shift;
+
+ # Want a username for this email that won't overlap with any other.
+ my $user=$email;
+ $user=~s/@/_/g;
+
+ my $userinfo=IkiWiki::userinfo_retrieve();
+ if (! exists $userinfo->{$user} || ! ref $userinfo->{$user}) {
+ if (IkiWiki::userinfo_setall($user, {
+ 'email' => $email,
+ 'regdate' => time})) {
+ gentoken($user, "passwordless", 1);
+ return $user;
+ }
+ else {
+ error(gettext("Error creating account."));
+ }
+ }
+ elsif (defined anonusertoken($userinfo->{$user})) {
+ return $user;
+ }
+ else {
+ return undef;
+ }
+}
+
+sub anonusertoken ($) {
+ my $userhash=shift;
+ if (exists $userhash->{passwordless} &&
+ length $userhash->{passwordless}) {
+ return $userhash->{passwordless};
+ }
+ else {
+ return undef;
+ }
+}
-sub formbuilder_setup (@) { #{{{
+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, size => 50);
+ my $do_register=defined $cgi->param("do") && $cgi->param("do") eq "register";
+
+ if ($form->title eq "signin" || $form->title eq "register" || $do_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") {
+ if ($form->submitted eq "Register" || $form->submitted eq "Create Account" || $do_register) {
$form->field(name => "confirm_password", type => "password");
+ $form->field(name => "account_creation_password", type => "password")
+ if (defined $config{account_creation_password} &&
+ 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) {
"Login" => [qw(name password)],
"Register" => [],
"Create Account" => [qw(name password confirm_password email)],
- "Mail Password" => [qw(name)],
+ "Reset Password" => [qw(name)],
);
foreach my $opt (@{$required{$submittype}}) {
$form->field(name => $opt, required => 1);
if ($submittype eq "Create Account") {
$form->field(
- name => "confirm_password",
+ name => "account_creation_password",
validate => sub {
- shift eq $form->field("password");
+ shift eq $config{account_creation_password};
},
- );
+ required => 1,
+ ) if (defined $config{account_creation_password} &&
+ length $config{account_creation_password});
$form->field(
name => "email",
validate => "EMAIL",
$form->field(
name => "password",
validate => sub {
- length $form->field("name") &&
- shift eq IkiWiki::userinfo_get($form->field("name"), 'password');
+ checkpassword(scalar $form->field("name"), shift);
},
);
}
elsif ($submittype eq "Register" ||
$submittype eq "Create Account" ||
- $submittype eq "Mail Password") {
+ $submittype eq "Reset Password") {
$form->field(name => "password", validate => 'VALUE');
}
my $name=shift;
length $name &&
$name=~/$config{wiki_file_regexp}/ &&
+ # don't allow registering
+ # accounts that look like
+ # openids, or email
+ # addresses, even if the
+ # file regexp allows it
+ $name!~/[\/:\@]/ &&
! IkiWiki::userinfo_get($name, "regdate");
},
);
}
elsif ($submittype eq "Login" ||
- $submittype eq "Mail Password") {
+ $submittype eq "Reset Password") {
$form->field(
name => "name",
validate => sub {
}
else {
# First time settings.
- $form->field(name => "name", comment => gettext("(use FirstnameLastName)"));
+ $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");
- $form->field(name => "confirm_password", type => "password",
- fieldset => "login",
- validate => sub {
- shift eq $form->field("password");
- });
-
+ my $user=$session->param("name");
+ if (! IkiWiki::openiduser($user) && ! IkiWiki::emailuser($user)) {
+ $form->field(name => "name", disabled => 1,
+ value => $user, 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");
+ });
+
+ my $userpage=IkiWiki::userpage($user);
+ if (exists $pagesources{$userpage}) {
+ $form->text(gettext("Your user page: ").
+ htmllink("", "", $userpage,
+ noimageinline => 1));
+ }
+ else {
+ $form->text("<a rel=\"nofollow\" href=\"".
+ IkiWiki::cgiurl(do => "edit", page => $userpage).
+ "\">".gettext("Create your user page")."</a>");
+ }
+ }
}
}
-sub formbuilder (@) { #{{{
+sub formbuilder (@) {
my %params=@_;
my $form=$params{form};
my $cgi=$params{cgi};
my $buttons=$params{buttons};
+ my $do_register=defined $cgi->param("do") && $cgi->param("do") eq "register";
+
if ($form->title eq "signin" || $form->title eq "register") {
- if ($form->submitted && $form->validate) {
+ if (($form->submitted && $form->validate) || $do_register) {
+ my $user_name = $form->field('name');
+
if ($form->submitted eq 'Login') {
- $session->param("name", $form->field("name"));
+ $session->param("name", $user_name);
IkiWiki::cgi_postsignin($cgi, $session);
}
elsif ($form->submitted eq 'Create Account') {
- my $user_name=$form->field('name');
+ my $email = $form->field('email');
+ my $password = $form->field('password');
+
if (IkiWiki::userinfo_setall($user_name, {
- 'email' => $form->field('email'),
- 'password' => $form->field('password'),
+ 'email' => $email,
'regdate' => time})) {
+ setpassword($user_name, $password);
$form->field(name => "confirm_password", type => "hidden");
$form->field(name => "email", type => "hidden");
$form->text(gettext("Account creation successful. Now you can Login."));
error(gettext("Error creating account."));
}
}
- elsif ($form->submitted eq 'Mail Password') {
- my $user_name=$form->field("name");
+ elsif ($form->submitted eq 'Reset Password') {
+ my $email=IkiWiki::userinfo_get($user_name, "email");
+ if (! length $email) {
+ error(gettext("No email address, so cannot email password reset instructions."));
+ }
+
+ my $token=gentoken($user_name, "resettoken");
+
my $template=template("passwordmail.tmpl");
$template->param(
user_name => $user_name,
- user_password => IkiWiki::userinfo_get($user_name, "password"),
+ passwordurl => IkiWiki::cgiurl_abs_samescheme(
+ 'do' => "reset",
+ 'name' => $user_name,
+ 'token' => $token,
+ ),
wikiurl => $config{url},
wikiname => $config{wikiname},
- REMOTE_ADDR => $ENV{REMOTE_ADDR},
+ remote_addr => $session->remote_addr(),
);
-
+
eval q{use Mail::Sendmail};
error($@) if $@;
sendmail(
To => IkiWiki::userinfo_get($user_name, "email"),
- From => "$config{wikiname} admin <$config{adminemail}>",
+ From => "$config{wikiname} admin <".
+ (defined $config{adminemail} ? $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->text(gettext("You have been mailed password reset instructions."));
$form->field(name => "name", required => 0);
- push @$buttons, "Mail Password";
+ push @$buttons, "Reset Password";
}
- elsif ($form->submitted eq "Register") {
+ elsif ($form->submitted eq "Register" || $do_register) {
@$buttons="Create Account";
}
}
@$buttons="Create Account";
}
else {
- push @$buttons, "Register", "Mail Password";
+ push @$buttons, "Register", "Reset 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");
- }
- }
+ my $password=$form->field('password');
+ if (defined $password && length $password) {
+ setpassword($user_name, $password);
+ }
}
}
-
- IkiWiki::printheader($session);
- print IkiWiki::misctemplate($form->title, $form->render(submit => $buttons));
-} #}}}
+}
+
+sub sessioncgi ($$) {
+ my $q=shift;
+ my $session=shift;
+
+ if ($q->param('do') eq 'reset') {
+ my $name=$q->param("name");
+ my $token=$q->param("token");
+
+ if (! defined $name || ! defined $token ||
+ ! length $name || ! length $token) {
+ error(gettext("incorrect password reset url"));
+ }
+ if (! checkpassword($name, $token, "resettoken")) {
+ error(gettext("password reset denied"));
+ }
+
+ $session->param("name", $name);
+ IkiWiki::cgi_prefs($q, $session);
+ exit;
+ }
+ elsif ($q->param('do') eq 'tokenauth') {
+ my $name=$q->param("name");
+ my $token=$q->param("token");
+
+ if (! defined $name || ! defined $token ||
+ ! length $name || ! length $token) {
+ error(gettext("incorrect url"));
+ }
+ if (! checkpassword($name, $token, "passwordless")) {
+ error(gettext("access denied"));
+ }
+
+ $session->param("name", $name);
+ IkiWiki::cgi_prefs($q, $session);
+ exit;
+ }
+ elsif ($q->param("do") eq "register") {
+ # After registration, need to go somewhere, so show prefs page.
+ $session->param(postsignin => "do=prefs");
+ # Due to do=register, this will run in registration-only
+ # mode.
+ IkiWiki::cgi_signin($q, $session);
+ exit;
+ }
+}
+
+sub auth ($$) {
+ # While this hook is not currently used, it needs to exist
+ # so ikiwiki knows that the wiki supports logins, and will
+ # enable the Preferences page.
+}
1