X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/54cf5a62cab254e923c8d73ae8bd043a1f33c3b1..5c418d269304af618b142e0328742fc7d7157c62:/IkiWiki/Plugin/openid.pm

diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm
index 55b1c4b17..f12cbdaa3 100644
--- a/IkiWiki/Plugin/openid.pm
+++ b/IkiWiki/Plugin/openid.pm
@@ -4,70 +4,151 @@ package IkiWiki::Plugin::openid;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 
 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 => "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..
-	$config{openid}=1;
+sub getopt () { #{{{
+	eval q{use Getopt::Long};
+	error($@) if $@;
+	Getopt::Long::Configure('pass_through');
+	GetOptions("openidsignup=s" => \$config{openidsignup});
 } #}}}
 
-sub auth ($$) { #{{{
-	my $q=shift;
-	my $session=shift;
+sub getsetup () { #{{{
+	return
+		plugin => {
+			safe => 1,
+			rebuild => 0,
+		},
+		openidsignup => {
+			type => "string",
+			example => "http://myopenid.com/",
+			description => "an url where users can signup for an OpenID",
+			safe => 1,
+			rebuild => 0,
+		},
+} #}}}
 
-	if (defined $q->param('openid.mode')) {
-		my $csr=getobj($q, $session);
+sub formbuilder_setup (@) { #{{{
+	my %params=@_;
 
-		if (my $setup_url = $csr->user_setup_url) {
-			IkiWiki::redirect($q, $setup_url);
+	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 ($@)");
+			return;
 		}
-		elsif ($csr->user_cancel) {
-			IkiWiki::redirect($q, $config{url});
+
+		# 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 (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,
+				fieldset => "login");
 		}
 	}
-} #}}}
+}
 
-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;
@@ -87,15 +168,43 @@ 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;
+}
+
 1