* Add canedit hook, allowing arbitrary controls over when a page can be

[ikiwiki.git] / IkiWiki / Plugin / openid.pm

diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm
index 55b1c4b1729cfa0ef97bf704dd182340eff33ab7..5d387fbc6602e5e091203870e01e1a2a43fda294 100644 (file)
--- a/IkiWiki/Plugin/openid.pm
+++ b/IkiWiki/Plugin/openid.pm
@@ -7,67 +7,120 @@ use strict;
 use IkiWiki;
 
 sub import { #{{{
-       hook(type => "checkconfig", id => "smiley", call => \&checkconfig);
-       hook(type => "auth", id => "skeleton", call => \&auth);
+       hook(type => "getopt", id => "openid", call => \&getopt);
+       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..
-       $config{openid}=1;
+sub getopt () { #{{{
+       eval q{use Getopt::Long};
+       error($@) if $@;
+       Getopt::Long::Configure('pass_through');
+       GetOptions("openidsignup=s" => \$config{openidsignup});
 } #}}}
 
-sub auth ($$) { #{{{
-       my $q=shift;
-       my $session=shift;
+sub formbuilder_setup (@) { #{{{
+       my %params=@_;
 
-       if (defined $q->param('openid.mode')) {
-               my $csr=getobj($q, $session);
+       my $form=$params{form};
+       my $session=$params{session};
+       my $cgi=$params{cgi};
 
-               if (my $setup_url = $csr->user_setup_url) {
-                       IkiWiki::redirect($q, $setup_url);
-               }
-               elsif ($csr->user_cancel) {
-                       IkiWiki::redirect($q, $config{url});
+       if ($form->title eq "signin") {
+               $form->field(
+                       name => "openid_url",
+                       label => "OpenID",
+                       size => 30,
+                       comment => '('.
+                               htmllink("", "", "OpenID", 1, 0, gettext("What's this?"))
+                               .($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 (my $vident = $csr->verified_identity) {
-                       $session->param(name => $vident->url);
+       }
+       elsif ($form->title eq "preferences") {
+               if (! defined $form->field(name => "name")) {
+                       $form->field(name => "OpenID", disabled => 1, value =>
+                               $session->param("name"), size => 50, force => 1);
                }
        }
-} #}}}
+}
 
-sub validate ($$$$) { #{{{
+sub validate ($$$;$) { #{{{
        my $q=shift;
        my $session=shift;
-       my $form=shift;
        my $openid_url=shift;
+       my $form=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 => $csr->err);
-               return 0;
+               if ($form) {
+                       # Put the error in the form and fail validation.
+                       $form->field(name => "openid_url", comment => $csr->err);
+                       return 0;
+               }
+               else {
+                       error($csr->err);
+               }
        }
+
        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")
-               ),
+               return_to => IkiWiki::cgiurl(do => "postsignin"),
                trust_root => $config{cgiurl},
                delayed_return => 1,
        );
        # Redirect the user to the OpenID server, which will
-       # eventually bounce them back to auth() above.
+       # eventually bounce them back to auth()
        IkiWiki::redirect($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;
@@ -87,13 +140,14 @@ 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},
        );
 } #}}}