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bzr: bzr rm no longer has a --force option, remove
[git.ikiwiki.info.git] / IkiWiki / Plugin / openid.pm
diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm
index 382d8286f73bd371010810e6b295aab5946a68e0..40a9568499be29710966b8115f0286c99aa899f7 100644 (file)
--- a/IkiWiki/Plugin/openid.pm
+++ b/IkiWiki/Plugin/openid.pm
@@ -7,18 +7,31 @@ use strict;
 use IkiWiki 3.00;
 
 sub import {
 use IkiWiki 3.00;
 
 sub import {
-       hook(type => "getopt", id => "openid", call => \&getopt);
+       add_underlay("openid-selector");
+       add_underlay("jquery");
+       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);
 }
 
        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 () {
 }
 
 sub getsetup () {
@@ -26,16 +39,56 @@ sub getsetup () {
                plugin => {
                        safe => 1,
                        rebuild => 0,
                plugin => {
                        safe => 1,
                        rebuild => 0,
+                       section => "auth",
                },
                },
-               openidsignup => {
+               openid_realm => {
                        type => "string",
                        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,
                },
 }
 
                        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 => IkiWiki::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::cgitemplate($q, "signin", $template->output);
+       exit;
+}
+
 sub formbuilder_setup (@) {
        my %params=@_;
 
 sub formbuilder_setup (@) {
        my %params=@_;
 
@@ -43,52 +96,15 @@ sub formbuilder_setup (@) {
        my $session=$params{session};
        my $cgi=$params{cgi};
        
        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 ($form->title eq "preferences" &&
               IkiWiki::openiduser($session->param("name"))) {
               IkiWiki::openiduser($session->param("name"))) {
-               $form->field(name => "openid_url", disabled => 1,
+               $form->field(name => "openid_identifier", disabled => 1,
                        label => htmllink("", "", "ikiwiki/OpenID", noimageinline => 1),
                        label => htmllink("", "", "ikiwiki/OpenID", noimageinline => 1),
-                       value => $session->param("name"), 
-                       size => 50, force => 1,
-                       fieldset => "login");
+                       value => "", 
+                       size => 1, force => 1,
+                       fieldset => "login",
+                       comment => $session->param("name"));
+               $form->field(name => "email", type => "hidden");
        }
 }
 
        }
 }
 
@@ -96,15 +112,14 @@ sub validate ($$$;$) {
        my $q=shift;
        my $session=shift;
        my $openid_url=shift;
        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) {
 
        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 {
                        return 0;
                }
                else {
@@ -112,9 +127,37 @@ 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};
+       $cgiurl=$q->url if ! defined $cgiurl;
+
+       my $trust_root=$config{openid_realm};
+       $trust_root=$cgiurl if ! defined $trust_root;
+
        my $check_url = $claimed_identity->check_url(
        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
                delayed_return => 1,
        );
        # Redirect the user to the OpenID server, which will
@@ -134,10 +177,45 @@ sub auth ($$) {
                        IkiWiki::redirect($q, $setup_url);
                }
                elsif ($csr->user_cancel) {
                        IkiWiki::redirect($q, $setup_url);
                }
                elsif ($csr->user_cancel) {
-                       IkiWiki::redirect($q, $config{url});
+                       IkiWiki::redirect($q, IkiWiki::baseurl(undef));
                }
                elsif (my $vident = $csr->verified_identity) {
                        $session->param(name => $vident->url);
                }
                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);
                }
                else {
                        error("OpenID failure: ".$csr->err);
@@ -153,6 +231,7 @@ sub getobj ($$) {
        my $q=shift;
        my $session=shift;
 
        my $q=shift;
        my $session=shift;
 
+       eval q{use Net::INET6Glue::INET_is_INET6}; # may not be available
        eval q{use Net::OpenID::Consumer};
        error($@) if $@;
 
        eval q{use Net::OpenID::Consumer};
        error($@) if $@;
 
@@ -171,13 +250,26 @@ sub getobj ($$) {
                $secret=rand;
                $session->param(openid_secret => $secret);
        }
                $secret=rand;
                $session->param(openid_secret => $secret);
        }
+       
+       my $cgiurl=$config{openid_cgiurl};
+       $cgiurl=$q->url if ! defined $cgiurl;
 
        return Net::OpenID::Consumer->new(
                ua => $ua,
                args => $q,
                consumer_secret => sub { return shift()+$secret },
 
        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;
+}
+
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