diff options
Diffstat (limited to 'IkiWiki/Plugin/openid.pm')
| -rw-r--r-- | IkiWiki/Plugin/openid.pm | 215 |
1 files changed, 152 insertions, 63 deletions
diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm index dc0e0f48e..fae9fb77f 100644 --- a/IkiWiki/Plugin/openid.pm +++ b/IkiWiki/Plugin/openid.pm @@ -7,18 +7,30 @@ use strict; use IkiWiki 3.00; sub import { - hook(type => "getopt", id => "openid", call => \&getopt); + 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 getopt () { - eval q{use Getopt::Long}; - error($@) if $@; - Getopt::Long::Configure('pass_through'); - GetOptions("openidsignup=s" => \$config{openidsignup}); +sub checkconfig () { + if ($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 getsetup () { @@ -26,16 +38,56 @@ sub getsetup () { plugin => { safe => 1, rebuild => 0, + section => "auth", }, - openidsignup => { + openid_realm => { type => "string", - example => "http://myopenid.com/", - description => "an url where users can signup for an OpenID", - safe => 1, + 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, }, } +sub openid_selector { + my $real_cgi_signin=shift; + my $q=shift; + my $session=shift; + + 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=@_; @@ -43,52 +95,14 @@ sub formbuilder_setup (@) { my $session=$params{session}; my $cgi=$params{cgi}; - if ($form->title eq "signin") { - # 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; - } - - # This avoids it displaying a redundant label for the - # OpenID fieldset. - $form->fieldsets("OpenID"); - - $form->field( - name => "openid_url", - label => gettext("Log in with")." ".htmllink("", "", "ikiwiki/OpenID", noimageinline => 1), - fieldset => "OpenID", - size => 30, - comment => ($config{openidsignup} ? " | <a href=\"$config{openidsignup}\">".gettext("Get an OpenID")."</a>" : "") - ); - - # Handle submission of an OpenID as validation. - if ($form->submitted && $form->submitted eq "Login" && - defined $form->field("openid_url") && - length $form->field("openid_url")) { - $form->field( - name => "openid_url", - validate => sub { - validate($cgi, $session, shift, $form); - }, - ); - # Skip all other required fields in this case. - foreach my $field ($form->field) { - next if $field eq "openid_url"; - $form->field(name => $field, required => 0, - validate => '/.*/'); - } - } - } - elsif ($form->title eq "preferences") { - if (! defined $form->field(name => "name")) { - $form->field(name => "OpenID", disabled => 1, - value => $session->param("name"), - size => 50, force => 1, - fieldset => "login"); - } + 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"); } } @@ -96,15 +110,14 @@ sub validate ($$$;$) { my $q=shift; my $session=shift; my $openid_url=shift; - my $form=shift; + my $errhandler=shift; my $csr=getobj($q, $session); my $claimed_identity = $csr->claimed_identity($openid_url); if (! $claimed_identity) { - if ($form) { - # Put the error in the form and fail validation. - $form->field(name => "openid_url", comment => $csr->err); + if ($errhandler) { + $errhandler->($csr->err); return 0; } else { @@ -112,9 +125,37 @@ sub validate ($$$;$) { } } + # Ask for client to provide a name and email, if possible. + # Try sreg and ax + if ($claimed_identity->can("set_extension_args")) { + $claimed_identity->set_extension_args( + 'http://openid.net/extensions/sreg/1.1', + { + optional => 'email,fullname,nickname', + }, + ); + $claimed_identity->set_extension_args( + 'http://openid.net/srv/ax/1.0', + { + mode => 'fetch_request', + 'required' => 'email,fullname,nickname,firstname', + 'type.email' => "http://schema.openid.net/contact/email", + 'type.fullname' => "http://axschema.org/namePerson", + 'type.nickname' => "http://axschema.org/namePerson/friendly", + 'type.firstname' => "http://axschema.org/namePerson/first", + }, + ); + } + + my $cgiurl=$config{openid_cgiurl}; + $cgiurl=$config{cgiurl} if ! defined $cgiurl; + + my $trust_root=$config{openid_realm}; + $trust_root=$cgiurl if ! defined $trust_root; + my $check_url = $claimed_identity->check_url( - return_to => IkiWiki::cgiurl(do => "postsignin"), - trust_root => $config{cgiurl}, + return_to => "$cgiurl?do=postsignin", + trust_root => $trust_root, delayed_return => 1, ); # Redirect the user to the OpenID server, which will @@ -138,6 +179,41 @@ sub auth ($$) { } elsif (my $vident = $csr->verified_identity) { $session->param(name => $vident->url); + + my @extensions; + if ($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); @@ -171,13 +247,26 @@ sub getobj ($$) { $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 => $q, consumer_secret => sub { return shift()+$secret }, - required_root => $config{cgiurl}, + 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 |