X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/95e1e51caafbb3e4b179936b6d191ca87f47d4ae..b63f1260eef70cf7eb1703ebae1244db7cef0583:/IkiWiki/Plugin/emailauth.pm

diff --git a/IkiWiki/Plugin/emailauth.pm b/IkiWiki/Plugin/emailauth.pm
index 3266e21ab..6674fe3d6 100644
--- a/IkiWiki/Plugin/emailauth.pm
+++ b/IkiWiki/Plugin/emailauth.pm
@@ -8,7 +8,8 @@ use IkiWiki 3.00;
 
 sub import {
 	hook(type => "getsetup", id => "emailauth", "call" => \&getsetup);
-	hook(type => "cgi", id => "cgi", "call" => \&cgi);
+	hook(type => "cgi", id => "emailauth", "call" => \&cgi);
+	hook(type => "formbuilder_setup", id => "emailauth", "call" => \&formbuilder_setup);
 	IkiWiki::loadplugin("loginselector");
 	IkiWiki::Plugin::loginselector::register_login_plugin(
 		"emailauth",
@@ -25,6 +26,12 @@ sub getsetup () {
 			rebuild => 0,
 			section => "auth",
 		},
+		emailauth_sender => {
+			type => "string",
+			description => "email address to send emailauth mails as (default: adminemail)",
+			safe => 1,
+			rebuild => 0,
+		},
 }
 
 sub email_setup ($$) {
@@ -64,7 +71,7 @@ sub email_auth ($$$$) {
 		});
 	}
 
-	my $token=gentoken($email);
+	my $token=gentoken($email, $session);
 	my $template=template("emailauth.tmpl");
 	$template->param(
 		wikiname => $config{wikiname},
@@ -77,12 +84,16 @@ sub email_auth ($$$$) {
 	
 	eval q{use Mail::Sendmail};
 	error($@) if $@;
+	my $shorturl=$config{url};
+	$shorturl=~s/^https?:\/\///i;
+	my $emailauth_sender=$config{emailauth_sender};
+	$emailauth_sender=$config{adminemail} unless defined $emailauth_sender;
 	sendmail(
 		To => $email,
 		From => "$config{wikiname} admin <".
-			(defined $config{adminemail} ? $config{adminemail} : "")
+			(defined $emailauth_sender ? $emailauth_sender : "")
 			.">",
-		Subject => "$config{wikiname} login",
+		Subject => "$config{wikiname} login | $shorturl",
 		Message => $template->output,
 	) or error(gettext("Failed to send mail"));
 
@@ -96,19 +107,10 @@ sub cgi ($$) {
 	my $email=$cgi->param('e');
 	my $v=$cgi->param('v');
 	if (defined $email && defined $v && length $email && length $v) {
-		# Need to lock the wiki before getting a session.
-		IkiWiki::lockwiki();
-		IkiWiki::loadindex();
-		my $session=IkiWiki::cgi_getsession();
-
 		my $token=gettoken($email);
 		if ($token eq $v) {
-			print STDERR "SUCCESS $email!!\n";
 			cleartoken($email);
-			$session->param(name => $email);
-			my $nickname=$email;
-			$nickname=~s/@.*//;
-			$session->param(nickname => Encode::decode_utf8($nickname));
+			my $session=getsession($email);
 			IkiWiki::cgi_postsignin($cgi, $session);
 		}
 		elsif (length $token ne length $cgi->param('v')) {
@@ -120,19 +122,36 @@ sub cgi ($$) {
 	}
 }
 
+sub formbuilder_setup (@) {
+	my %params=@_;
+	my $form=$params{form};
+	my $session=$params{session};
+
+	if ($form->title eq "preferences" &&
+	    IkiWiki::emailuser($session->param("name"))) {
+		$form->field(name => "email", disabled => 1);
+	}
+}
+
 # Generates the token that will be used in the authurl to log the user in.
 # This needs to be hard to guess, and relatively short. Generating a cgi
 # session id will make it as hard to guess as any cgi session.
-sub gentoken ($) {
+#
+# Store token in userinfo; this allows the user to log in
+# using a different browser session, if it takes a while for the
+# email to get to them.
+#
+# The postsignin value from the session is also stored in the userinfo
+# to allow resuming in a different browser session.
+sub gentoken ($$) {
 	my $email=shift;
+	my $session=shift;
 	eval q{use CGI::Session};
 	error($@) if $@;
 	my $token = CGI::Session->new->id;
-	# Store token in userinfo; this allows the user to log in
-	# using a different browser session, if it takes a while for the
-	# email to get to them.
 	IkiWiki::userinfo_set($email, "emailauthexpire", time+(60*60*24));
 	IkiWiki::userinfo_set($email, "emailauth", $token);
+	IkiWiki::userinfo_set($email, "emailauthpostsignin", defined $session->param("postsignin") ? $session->param("postsignin") : "");
 	return $token;
 }
 
@@ -147,6 +166,30 @@ sub gettoken ($) {
 	return $val;
 }
 
+# Generate a session to use after successful login.
+sub getsession ($) {
+	my $email=shift;
+
+	IkiWiki::lockwiki();
+	IkiWiki::loadindex();
+	my $session=IkiWiki::cgi_getsession();
+
+	my $postsignin=IkiWiki::userinfo_get($email, "emailauthpostsignin");
+	IkiWiki::userinfo_set($email, "emailauthpostsignin", "");
+	if (defined $postsignin && length $postsignin) {
+		$session->param(postsignin => $postsignin);
+	}
+
+	$session->param(name => $email);
+	my $nickname=$email;
+	$nickname=~s/@.*//;
+	$session->param(nickname => Encode::decode_utf8($nickname));
+
+	IkiWiki::cgi_savesession($session);
+
+	return $session;
+}
+
 sub cleartoken ($) {
 	my $email=shift;
 	IkiWiki::userinfo_set($email, "emailauthexpire", 0);