X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/e96aa16ab959e62c4ce826c599e48a959ebc3e64..766311f45b4351488d7dad519a6471094a58da16:/IkiWiki/Plugin/openid.pm

diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm
index 9355cd85a..35ef52a58 100644
--- a/IkiWiki/Plugin/openid.pm
+++ b/IkiWiki/Plugin/openid.pm
@@ -7,18 +7,18 @@ use strict;
 use IkiWiki 3.00;
 
 sub import {
-	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 getopt () {
-	eval q{use Getopt::Long};
-	error($@) if $@;
-	Getopt::Long::Configure('pass_through');
-	GetOptions("openidsignup=s" => \$config{openidsignup});
+	IkiWiki::loadplugin("emailauth");
+	IkiWiki::loadplugin("loginselector");
+	IkiWiki::Plugin::loginselector::register_login_plugin(
+		"openid",
+		\&openid_setup,
+		\&openid_check_input,
+		\&openid_auth,
+	);
 }
 
 sub getsetup () {
@@ -28,13 +28,48 @@ sub getsetup () {
 			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_setup ($$) {
+	my $q=shift;
+	my $template=shift;
+
+	if (load_openid_module()) {
+		my $openid_url=$q->param('openid_identifier');
+		if (defined $openid_url) {
+			$template->param(openid_url => $openid_url);
+		}
+		return 1;
+	}
+	else {
+		return 0;
+	}
+}
+
+sub openid_check_input ($) {
+	my $q=shift;
+	my $openid_url=$q->param('openid_identifier');
+	defined $q->param("action") && $q->param("action") eq "verify" && defined $openid_url && length $openid_url;
+}
+
+sub openid_auth ($$$$) {
+	my $q=shift;
+	my $session=shift;
+	my $errordisplayer=shift;
+	my $openid_url=$q->param('openid_identifier');
+	validate($q, $session, $openid_url, $errordisplayer);
 }
 
 sub formbuilder_setup (@) {
@@ -44,53 +79,14 @@ 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 ($form->title eq "preferences" &&
 	       IkiWiki::openiduser($session->param("name"))) {
-		$form->field(name => "openid_url", disabled => 1,
+		$form->field(name => "openid_identifier", disabled => 1,
 			label => htmllink("", "", "ikiwiki/OpenID", noimageinline => 1),
-			value => $session->param("name"), 
-			size => 50, force => 1,
-			fieldset => "login");
-		$form->field(name => "email", type => "hidden");
+			value => "", 
+			size => 1, force => 1,
+			fieldset => "login",
+			comment => $session->param("name"));
 	}
 }
 
@@ -98,15 +94,16 @@ 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) {
+			if (ref($errhandler) eq 'CODE') {
+				$errhandler->($csr->err);
+			}
 			return 0;
 		}
 		else {
@@ -116,27 +113,35 @@ sub validate ($$$;$) {
 
 	# Ask for client to provide a name and email, if possible.
 	# Try sreg and ax
-	$claimed_identity->set_extension_args(
-		'http://openid.net/extensions/sreg/1.1',
-		{
-			optional => 'email,fullname,nickname',
-		},
-	);
-	$claimed_identity->set_extension_args(
-		'http://openid.net/srv/ax/1.0',
-		{
-			mode => 'fetch_request',
-			'required' => 'email,fullname,nickname,firstname',
-			'type.email' => "http://schema.openid.net/contact/email",
-			'type.fullname' => "http://axschema.org/namePerson",
-			'type.nickname' => "http://axschema.org/namePerson/friendly",
-			'type.firstname' => "http://axschema.org/namePerson/first",
-		},
-	);
+	if ($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(
-		return_to => IkiWiki::cgiurl(do => "postsignin"),
-		trust_root => $config{cgiurl},
+		return_to => auto_upgrade_https($q, "$cgiurl?do=postsignin"),
+		trust_root => auto_upgrade_https($q, $trust_root),
 		delayed_return => 1,
 	);
 	# Redirect the user to the OpenID server, which will
@@ -156,21 +161,29 @@ sub auth ($$) {
 			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);
 
-			my @extensions=grep { defined } (
-				$vident->signed_extension_fields('http://openid.net/extensions/sreg/1.1'),
-				$vident->signed_extension_fields('http://openid.net/srv/ax/1.0'),
-			);
+			my @extensions;
+			if ($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;
 					}
 				}
@@ -178,11 +191,15 @@ sub auth ($$) {
 					if (exists $ext->{$field} &&
 					    defined $ext->{$field} &&
 					    length $ext->{$field}) {
-						$session->param(username => $ext->{$field});
+						$nickname=$ext->{$field};
 						last;
 					}
 				}
 			}
+			if (defined $nickname) {
+				$session->param(nickname =>
+					Encode::decode_utf8($nickname));
+			}
 		}
 		else {
 			error("OpenID failure: ".$csr->err);
@@ -190,7 +207,7 @@ sub auth ($$) {
 	}
 	elsif (defined $q->param('openid_identifier')) {
 		# myopenid.com affiliate support
-		validate($q, $session, $q->param('openid_identifier'));
+		validate($q, $session, scalar $q->param('openid_identifier'));
 	}
 }
 
@@ -198,16 +215,17 @@ sub getobj ($$) {
 	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 $@;
 
 	my $ua;
 	eval q{use LWPx::ParanoidAgent};
 	if (! $@) {
-		$ua=LWPx::ParanoidAgent->new;
+		$ua=LWPx::ParanoidAgent->new(agent => $config{useragent});
 	}
 	else {
-	        $ua=LWP::UserAgent->new;
+		$ua=useragent();
 	}
 
 	# Store the secret in the session.
@@ -216,13 +234,35 @@ sub getobj ($$) {
 		$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 },
-		required_root => $config{cgiurl},
+		required_root => auto_upgrade_https($q, $cgiurl),
 	);
 }
 
+sub auto_upgrade_https {
+	my $q=shift;
+	my $url=shift;
+	if ($q->https()) {
+		$url=~s/^http:/https:/i;
+	}
+	return $url;
+}
+
+sub load_openid_module {
+	# Give up if module is unavailable to avoid needing to depend on it.
+	eval q{use Net::OpenID::Consumer};
+	if ($@) {
+		debug("unable to load Net::OpenID::Consumer, not enabling OpenID login ($@)");
+		return;
+	}
+	return 1;
+}
+
 1