use warnings;
use strict;
-use IkiWiki;
+use IkiWiki 3.00;
-sub import { #{{{
- hook(type => "checkconfig", id => "smiley", call => \&checkconfig);
- hook(type => "auth", id => "skeleton", call => \&auth);
-} # }}}
+sub import {
+ add_underlay("openid-selector");
+ hook(type => "checkconfig", id => "openid", call => \&checkconfig);
+ hook(type => "getsetup", id => "openid", call => \&getsetup);
+ hook(type => "auth", id => "openid", call => \&auth);
+ hook(type => "formbuilder_setup", id => "openid",
+ call => \&formbuilder_setup, last => 1);
+}
-sub checkconfig () { #{{{
- # Currently part of the OpenID code is in CGI.pm, and is enabled by
- # this setting.
- # TODO: modularise it all out into this plugin..
- $config{openid}=1;
-} #}}}
+sub checkconfig () {
+ if ($config{cgi}) {
+ # Intercept normal signin form, so the openid selector
+ # can be displayed.
+ #
+ # When other auth hooks are registered, give the selector
+ # a reference to the normal signin form.
+ require IkiWiki::CGI;
+ my $real_cgi_signin;
+ if (keys %{$IkiWiki::hooks{auth}} > 1) {
+ $real_cgi_signin=\&IkiWiki::cgi_signin;
+ }
+ inject(name => "IkiWiki::cgi_signin", call => sub ($$) {
+ openid_selector($real_cgi_signin, @_);
+ });
+ }
+}
-sub auth ($$) { #{{{
- my $q=shift;
- my $session=shift;
+sub getsetup () {
+ return
+ plugin => {
+ safe => 1,
+ rebuild => 0,
+ section => "auth",
+ },
+ openid_realm => {
+ type => "string",
+ description => "url pattern of openid realm (default is cgiurl)",
+ safe => 0,
+ rebuild => 0,
+ },
+ openid_cgiurl => {
+ type => "string",
+ description => "url to ikiwiki cgi to use for openid authentication (default is cgiurl)",
+ safe => 0,
+ rebuild => 0,
+ },
+}
- if (defined $q->param('openid.mode')) {
- my $csr=getobj($q, $session);
+sub openid_selector {
+ my $real_cgi_signin=shift;
+ my $q=shift;
+ my $session=shift;
- if (my $setup_url = $csr->user_setup_url) {
- IkiWiki::redirect($q, $setup_url);
- }
- elsif ($csr->user_cancel) {
- IkiWiki::redirect($q, $config{url});
- }
- elsif (my $vident = $csr->verified_identity) {
- $session->param(name => $vident->url);
+ my $openid_url=$q->param('openid_identifier');
+ my $openid_error;
+
+ if (! load_openid_module()) {
+ if ($real_cgi_signin) {
+ $real_cgi_signin->($q, $session);
+ exit;
}
+ error(sprintf(gettext("failed to load openid module: "), @_));
}
-} #}}}
+ elsif (defined $q->param("action") && $q->param("action") eq "verify") {
+ validate($q, $session, $openid_url, sub {
+ $openid_error=shift;
+ });
+ }
+
+ my $template=IkiWiki::template("openid-selector.tmpl");
+ $template->param(
+ cgiurl => $config{cgiurl},
+ (defined $openid_error ? (openid_error => $openid_error) : ()),
+ (defined $openid_url ? (openid_url => $openid_url) : ()),
+ ($real_cgi_signin ? (nonopenidform => $real_cgi_signin->($q, $session, 1)) : ()),
+ );
+
+ IkiWiki::printheader($session);
+ print IkiWiki::misctemplate("signin", $template->output);
+ exit;
+}
+
+sub formbuilder_setup (@) {
+ my %params=@_;
-sub validate ($$$$) { #{{{
+ my $form=$params{form};
+ my $session=$params{session};
+ my $cgi=$params{cgi};
+
+ if ($form->title eq "preferences" &&
+ IkiWiki::openiduser($session->param("name"))) {
+ $form->field(name => "openid_identifier", disabled => 1,
+ label => htmllink("", "", "ikiwiki/OpenID", noimageinline => 1),
+ value => $session->param("name"),
+ size => length($session->param("name")), force => 1,
+ fieldset => "login");
+ $form->field(name => "email", type => "hidden");
+ }
+}
+
+sub validate ($$$;$) {
my $q=shift;
my $session=shift;
- my $form=shift;
my $openid_url=shift;
+ my $errhandler=shift;
my $csr=getobj($q, $session);
my $claimed_identity = $csr->claimed_identity($openid_url);
if (! $claimed_identity) {
- # Put the error in the form and fail validation.
- $form->field(name => "openid_url", comment => $csr->err);
- return 0;
+ if ($errhandler) {
+ $errhandler->($csr->err);
+ return 0;
+ }
+ else {
+ error($csr->err);
+ }
+ }
+
+ # Ask for client to provide a name and email, if possible.
+ # Try sreg and ax
+ if ($claimed_identity->can("set_extension_args")) {
+ $claimed_identity->set_extension_args(
+ 'http://openid.net/extensions/sreg/1.1',
+ {
+ optional => 'email,fullname,nickname',
+ },
+ );
+ $claimed_identity->set_extension_args(
+ 'http://openid.net/srv/ax/1.0',
+ {
+ mode => 'fetch_request',
+ 'required' => 'email,fullname,nickname,firstname',
+ 'type.email' => "http://schema.openid.net/contact/email",
+ 'type.fullname' => "http://axschema.org/namePerson",
+ 'type.nickname' => "http://axschema.org/namePerson/friendly",
+ 'type.firstname' => "http://axschema.org/namePerson/first",
+ },
+ );
}
+
+ my $cgiurl=$config{openid_cgiurl};
+ $cgiurl=$config{cgiurl} if ! defined $cgiurl;
+
+ my $trust_root=$config{openid_realm};
+ $trust_root=$cgiurl if ! defined $trust_root;
+
my $check_url = $claimed_identity->check_url(
- return_to => IkiWiki::cgiurl(
- do => $form->field("do"),
- page => $form->field("page"),
- title => $form->field("title"),
- from => $form->field("from"),
- subpage => $form->field("subpage")
- ),
- trust_root => $config{cgiurl},
+ return_to => "$cgiurl?do=postsignin",
+ trust_root => $trust_root,
delayed_return => 1,
);
# Redirect the user to the OpenID server, which will
- # eventually bounce them back to auth() above.
+ # eventually bounce them back to auth()
IkiWiki::redirect($q, $check_url);
exit 0;
-} #}}}
+}
+
+sub auth ($$) {
+ my $q=shift;
+ my $session=shift;
+
+ if (defined $q->param('openid.mode')) {
+ my $csr=getobj($q, $session);
+
+ if (my $setup_url = $csr->user_setup_url) {
+ IkiWiki::redirect($q, $setup_url);
+ }
+ elsif ($csr->user_cancel) {
+ IkiWiki::redirect($q, $config{url});
+ }
+ elsif (my $vident = $csr->verified_identity) {
+ $session->param(name => $vident->url);
-sub getobj ($$) { #{{{
+ my @extensions;
+ if ($vident->can("signed_extension_fields")) {
+ @extensions=grep { defined } (
+ $vident->signed_extension_fields('http://openid.net/extensions/sreg/1.1'),
+ $vident->signed_extension_fields('http://openid.net/srv/ax/1.0'),
+ );
+ }
+ my $nickname;
+ foreach my $ext (@extensions) {
+ foreach my $field (qw{value.email email}) {
+ if (exists $ext->{$field} &&
+ defined $ext->{$field} &&
+ length $ext->{$field}) {
+ $session->param(email => $ext->{$field});
+ if (! defined $nickname &&
+ $ext->{$field}=~/(.+)@.+/) {
+ $nickname = $1;
+ }
+ last;
+ }
+ }
+ foreach my $field (qw{value.nickname nickname value.fullname fullname value.firstname}) {
+ if (exists $ext->{$field} &&
+ defined $ext->{$field} &&
+ length $ext->{$field}) {
+ $nickname=$ext->{$field};
+ last;
+ }
+ }
+ }
+ if (defined $nickname) {
+ $session->param(nickname =>
+ Encode::decode_utf8($nickname));
+ }
+ }
+ else {
+ error("OpenID failure: ".$csr->err);
+ }
+ }
+ elsif (defined $q->param('openid_identifier')) {
+ # myopenid.com affiliate support
+ validate($q, $session, $q->param('openid_identifier'));
+ }
+}
+
+sub getobj ($$) {
my $q=shift;
my $session=shift;
# Store the secret in the session.
my $secret=$session->param("openid_secret");
if (! defined $secret) {
- $secret=$session->param(openid_secret => time);
+ $secret=rand;
+ $session->param(openid_secret => $secret);
}
+
+ my $cgiurl=$config{openid_cgiurl};
+ $cgiurl=$config{cgiurl} if ! defined $cgiurl;
return Net::OpenID::Consumer->new(
ua => $ua,
args => $q,
- consumer_secret => $secret,
- required_root => $config{cgiurl},
+ consumer_secret => sub { return shift()+$secret },
+ required_root => $cgiurl,
);
-} #}}}
+}
+
+sub load_openid_module {
+ # Give up if module is unavailable to avoid needing to depend on it.
+ eval q{use Net::OpenID::Consumer};
+ if ($@) {
+ debug("unable to load Net::OpenID::Consumer, not enabling OpenID login ($@)");
+ return;
+ }
+ return 1;
+}
1