]> sipb.mit.edu Git - ikiwiki.git/blobdiff - IkiWiki/Plugin/openid.pm
POSIX::setsid is not exported per default
[ikiwiki.git] / IkiWiki / Plugin / openid.pm
index 43ce8fd31e8e6bbb950b10b367cf6bc4242b3614..10a8fa22f46aa8116f10e13a48ac01678b8ba997 100644 (file)
@@ -4,12 +4,13 @@ package IkiWiki::Plugin::openid;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 sub import { #{{{
        hook(type => "getopt", id => "openid", call => \&getopt);
-       hook(type => "checkconfig", id => "openid", call => \&checkconfig);
        hook(type => "auth", id => "openid", call => \&auth);
+       hook(type => "formbuilder_setup", id => "openid",
+               call => \&formbuilder_setup, last => 1);
 } # }}}
 
 sub getopt () { #{{{
@@ -19,37 +20,61 @@ sub getopt () { #{{{
        GetOptions("openidsignup=s" => \$config{openidsignup});
 } #}}}
 
-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 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});
+sub formbuilder_setup (@) { #{{{
+       my %params=@_;
+
+       my $form=$params{form};
+       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;
                }
-               elsif (my $vident = $csr->verified_identity) {
-                       $session->param(name => $vident->url);
-               }
-               else {
-                       error("OpenID failure: ".$csr->err);
+
+               # 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 (defined $q->param('openid_identifier')) {
-               validate($q, $session, $q->param('openid_identifier'));
+       elsif ($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");
+               }
        }
-} #}}}
+}
 
 sub validate ($$$;$) { #{{{
        my $q=shift;
@@ -77,11 +102,37 @@ sub validate ($$$;$) { #{{{
                delayed_return => 1,
        );
        # Redirect the user to the OpenID server, which will
-       # eventually bounce them back to auth() above.
+       # eventually bounce them back to auth()
        IkiWiki::redirect($q, $check_url);
        exit 0;
 } #}}}
 
+sub auth ($$) { #{{{
+       my $q=shift;
+       my $session=shift;
+
+       if (defined $q->param('openid.mode')) {
+               my $csr=getobj($q, $session);
+
+               if (my $setup_url = $csr->user_setup_url) {
+                       IkiWiki::redirect($q, $setup_url);
+               }
+               elsif ($csr->user_cancel) {
+                       IkiWiki::redirect($q, $config{url});
+               }
+               elsif (my $vident = $csr->verified_identity) {
+                       $session->param(name => $vident->url);
+               }
+               else {
+                       error("OpenID failure: ".$csr->err);
+               }
+       }
+       elsif (defined $q->param('openid_identifier')) {
+               # myopenid.com affiliate support
+               validate($q, $session, $q->param('openid_identifier'));
+       }
+} #}}}
+
 sub getobj ($$) { #{{{
        my $q=shift;
        my $session=shift;
@@ -101,15 +152,43 @@ sub getobj ($$) { #{{{
        # 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);
        }
 
        return Net::OpenID::Consumer->new(
                ua => $ua,
                args => $q,
-               consumer_secret => $secret,
+               consumer_secret => sub { return shift()+$secret },
                required_root => $config{cgiurl},
        );
 } #}}}
 
+package IkiWiki;
+
+# This is not used by this plugin, but this seems the best place to put it.
+# Used elsewhere to pretty-display the name of an openid user.
+sub openiduser ($) { #{{{
+       my $user=shift;
+
+       if ($user =~ m!^https?://! &&
+           eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
+               my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
+               my $display=$oid->display;
+               # Convert "user.somehost.com" to "user [somehost.com]".
+               if ($display !~ /\[/) {
+                       $display=~s/^(.*?)\.([^.]+\.[a-z]+)$/$1 [$2]/;
+               }
+               # Convert "http://somehost.com/user" to "user [somehost.com]".
+               if ($display !~ /\[/) {
+                       $display=~s/^https?:\/\/(.+)\/([^\/]+)$/$2 [$1]/;
+               }
+               $display=~s!^https?://!!; # make sure this is removed
+               eval q{use CGI 'escapeHTML'};
+               error($@) if $@;
+               return escapeHTML($display);
+       }
+       return;
+}
+
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