X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/8af8d085d676d940478e45e852f06d4eec2485f8..dcfc0593d3aa0b464fe05d08939b5e52cb29412c:/IkiWiki/CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index d00de740a..973053427 100644
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -33,24 +33,25 @@ sub redirect ($$) { #{{{
 	}
 } #}}}
 
-sub page_locked ($$;$) { #{{{
+sub check_canedit ($$$;$) { #{{{
 	my $page=shift;
+	my $q=shift;
 	my $session=shift;
 	my $nonfatal=shift;
 	
-	my $user=$session->param("name");
-	return if defined $user && is_admin($user);
-
-	foreach my $admin (@{$config{adminuser}}) {
-		my $locked_pages=userinfo_get($admin, "locked_pages");
-		if (pagespec_match($page, userinfo_get($admin, "locked_pages"))) {
-			return 1 if $nonfatal;
-			error(htmllink("", "", $page, 1)." is locked by ".
-			      userlink($admin)." and cannot be edited.");
+	my $canedit;
+	run_hooks(canedit => sub {
+		return if defined $canedit;
+		my $ret=shift->($page, $q, $session);
+		if (defined $ret && $ret eq "") {
+			$canedit=1;
 		}
-	}
-
-	return 0;
+		elsif (defined $ret) {
+			$canedit=0;
+			error($ret) unless $nonfatal;
+		}
+	});
+	return $canedit;
 } #}}}
 
 sub decode_form_utf8 ($) { #{{{
@@ -88,7 +89,7 @@ sub cgi_recentchanges ($) { #{{{
 		delete @{$change->{pages}}[10 .. @{$change->{pages}}] if $is_excess;
 		$change->{pages} = [
 			map {
-				$_->{link} = htmllink("", "", $_->{page}, 1);
+				$_->{link} = htmllink("", "", $_->{page}, 1, 0, pagetitle($_->{page}));
 				$_;
 			} @{$change->{pages}}
 		];
@@ -109,6 +110,23 @@ sub cgi_recentchanges ($) { #{{{
 	print $q->header(-charset => 'utf-8'), $template->output;
 } #}}}
 
+# Check if the user is signed in. If not, redirect to the signin form and
+# save their place to return to later.
+sub needsignin ($$) { #{{{
+	my $q=shift;
+	my $session=shift;
+
+	if (! defined $session->param("name") ||
+	    ! userinfo_get($session->param("name"), "regdate")) {
+	    	if (! defined $session->param("postsignin")) {
+			$session->param(postsignin => $ENV{QUERY_STRING});
+		}
+		cgi_signin($q, $session);
+		cgi_savesession($session);
+		exit;
+	}
+} #}}}	
+
 sub cgi_signin ($$) { #{{{
 	my $q=shift;
 	my $session=shift;
@@ -125,17 +143,16 @@ sub cgi_signin ($$) { #{{{
 		params => $q,
 		action => $config{cgiurl},
 		header => 0,
-		template => (-e "$config{templatedir}/signin.tmpl" ?
-			     {template_params("signin.tmpl")} : ""),
+		template => scalar template_params("signin.tmpl"),
 		stylesheet => baseurl()."style.css",
 	);
 	my $buttons=["Login"];
 	
-	$form->field(name => "do", type => "hidden");
-	
 	if ($q->param("do") ne "signin" && !$form->submitted) {
-		$form->text("You need to log in first.");
+		$form->text(gettext("You need to log in first."));
 	}
+	$form->field(name => "do", type => "hidden", value => "signin",
+		force => 1);
 	
 	run_hooks(formbuilder_setup => sub {
 		shift->(form => $form, cgi => $q, session => $session);
@@ -163,23 +180,19 @@ sub cgi_postsignin ($$) { #{{{
 	my $session=shift;
 
 	# Continue with whatever was being done before the signin process.
-	if (defined $q->param("do") && $q->param("do") ne "signin" &&
-	    defined $session->param("postsignin")) {
-		my $postsignin=CGI->new($session->param("postsignin"));
-		$session->clear("postsignin");
-		cgi($postsignin, $session);
-		cgi_savesession($session);
-		exit;
-	}
-	else {
-		redirect($q, $config{url});
-	}
+	my $postsignin=CGI->new($session->param("postsignin"));
+	$session->clear("postsignin");
+	cgi($postsignin, $session);
+	cgi_savesession($session);
+	exit;
 } #}}}
 
 sub cgi_prefs ($$) { #{{{
 	my $q=shift;
 	my $session=shift;
 
+	needsignin($q, $session);
+
 	eval q{use CGI::FormBuilder};
 	error($@) if $@;
 	my $form = CGI::FormBuilder->new(
@@ -194,8 +207,7 @@ sub cgi_prefs ($$) { #{{{
 		javascript => 0,
 		params => $q,
 		action => $config{cgiurl},
-		template => (-e "$config{templatedir}/prefs.tmpl" ?
-			     {template_params("prefs.tmpl")} : ""),
+		template => scalar template_params("prefs.tmpl"),
 		stylesheet => baseurl()."style.css",
 	);
 	my $buttons=["Save Preferences", "Logout", "Cancel"];
@@ -208,13 +220,10 @@ sub cgi_prefs ($$) { #{{{
 	$form->field(name => "email", size => 50);
 	$form->field(name => "subscriptions", size => 50,
 		comment => "(".htmllink("", "", "PageSpec", 1).")");
-	$form->field(name => "locked_pages", size => 50,
-		comment => "(".htmllink("", "", "PageSpec", 1).")");
 	$form->field(name => "banned_users", size => 50);
 	
 	my $user_name=$session->param("name");
 	if (! is_admin($user_name)) {
-		$form->field(name => "locked_pages", type => "hidden");
 		$form->field(name => "banned_users", type => "hidden");
 	}
 
@@ -223,8 +232,6 @@ sub cgi_prefs ($$) { #{{{
 			value => userinfo_get($user_name, "email"));
 		$form->field(name => "subscriptions", force => 1,
 			value => userinfo_get($user_name, "subscriptions"));
-		$form->field(name => "locked_pages", force => 1,
-			value => userinfo_get($user_name, "locked_pages"));
 		if (is_admin($user_name)) {
 			$form->field(name => "banned_users", force => 1,
 				value => join(" ", get_banned_users()));
@@ -242,17 +249,20 @@ sub cgi_prefs ($$) { #{{{
 		redirect($q, $config{url});
 		return;
 	}
-	elsif ($form->submitted eq "Save Preferences" && $form->validate) {
-		foreach my $field (qw(email subscriptions locked_pages)) {
+	elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
+		foreach my $field (qw(email subscriptions)) {
 			if (defined $form->field($field) && length $form->field($field)) {
-				userinfo_set($user_name, $field, $form->field($field)) || error("failed to set $field");
+				userinfo_set($user_name, $field, $form->field($field)) ||
+					error("failed to set $field");
 			}
 		}
 		if (is_admin($user_name)) {
 			set_banned_users(grep { ! is_admin($_) }
-					split(' ', $form->field("banned_users")));
+					split(' ',
+						$form->field("banned_users"))) ||
+				error("failed saving changes");
 		}
-		$form->text("Preferences saved.");
+		$form->text(gettext("Preferences saved."));
 	}
 	
 	if (exists $hooks{formbuilder}) {
@@ -289,8 +299,7 @@ sub cgi_editpage ($$) { #{{{
 		params => $q,
 		action => $config{cgiurl},
 		table => 0,
-		template => (-e "$config{templatedir}/editpage.tmpl" ?
-				{template_params("editpage.tmpl")} : ""),
+		template => scalar template_params("editpage.tmpl"),
 	);
 	
 	run_hooks(formbuilder_setup => sub {
@@ -303,8 +312,7 @@ sub cgi_editpage ($$) { #{{{
 	# characters.
 	my ($page)=$form->field('page');
 	$page=titlepage(possibly_foolish_untaint($page));
-	if (! defined $page || ! length $page ||
-	    $page=~/$config{wiki_file_prune_regexp}/ || $page=~/^\//) {
+	if (! defined $page || ! length $page || file_pruned($page, $config{srcdir}) || $page=~/^\//) {
 		error("bad page name");
 	}
 	
@@ -318,6 +326,9 @@ sub cgi_editpage ($$) { #{{{
 	if (exists $pagesources{$page}) {
 		$file=$pagesources{$page};
 		$type=pagetype($file);
+		if (! defined $type) {
+			error(sprintf(gettext("%s is not an editable page"), $page));
+		}
 	}
 	else {
 		$type=$form->param('type');
@@ -394,7 +405,7 @@ sub cgi_editpage ($$) { #{{{
 			my $best_loc;
 			if (! defined $from || ! length $from ||
 			    $from ne $form->field('from') ||
-			    $from=~/$config{wiki_file_prune_regexp}/ ||
+			    file_pruned($from, $config{srcdir}) ||
 			    $from=~/^\// ||
 			    $form->submitted eq "Preview") {
 				@page_locs=$best_loc=$page;
@@ -404,7 +415,7 @@ sub cgi_editpage ($$) { #{{{
 				$dir=~s![^/]+/+$!!;
 				
 				if ((defined $form->field('subpage') && length $form->field('subpage')) ||
-				    $page eq 'discussion') {
+				    $page eq gettext('discussion')) {
 					$best_loc="$from/$page";
 				}
 				else {
@@ -418,18 +429,26 @@ sub cgi_editpage ($$) { #{{{
 					push @page_locs, $dir.$page;
 				}
 			}
+			push @page_locs, "$config{userdir}/$page"
+				if length $config{userdir};
 
 			@page_locs = grep {
-				! exists $pagecase{lc $_} &&
-				! page_locked($_, $session, 1)
+				! exists $pagecase{lc $_}
 			} @page_locs;
-			
 			if (! @page_locs) {
 				# hmm, someone else made the page in the
 				# meantime?
 				redirect($q, "$config{url}/".htmlpage($page));
 				return;
 			}
+
+			my @editable_locs = grep {
+				check_canedit($_, $q, $session, 1)
+			} @page_locs;
+			if (! @editable_locs) {
+				# let it throw an error this time
+				map { check_canedit($_, $q, $session) } @page_locs;
+			}
 			
 			my @page_types;
 			if (exists $hooks{htmlize}) {
@@ -438,13 +457,13 @@ sub cgi_editpage ($$) { #{{{
 			
 			$form->tmpl_param("page_select", 1);
 			$form->field(name => "page", type => 'select',
-				options => \@page_locs, value => $best_loc);
+				options => \@editable_locs, value => $best_loc);
 			$form->field(name => "type", type => 'select',
 				options => \@page_types);
-			$form->title("creating ".pagetitle($page));
+			$form->title(sprintf(gettext("creating %s"), pagetitle($page)));
 		}
 		elsif ($form->field("do") eq "edit") {
-			page_locked($page, $session);
+			check_canedit($page, $q, $session);
 			if (! defined $form->field('editcontent') || 
 			    ! length $form->field('editcontent')) {
 				my $content="";
@@ -458,20 +477,38 @@ sub cgi_editpage ($$) { #{{{
 			$form->tmpl_param("page_select", 0);
 			$form->field(name => "page", type => 'hidden');
 			$form->field(name => "type", type => 'hidden');
-			$form->title("editing ".pagetitle($page));
+			$form->title(sprintf(gettext("editing %s"), pagetitle($page)));
 		}
 		
 		print $form->render(submit => \@buttons);
 	}
 	else {
 		# save page
-		page_locked($page, $session);
+		check_canedit($page, $q, $session);
 		
 		my $content=$form->field('editcontent');
 
 		$content=~s/\r\n/\n/g;
 		$content=~s/\r/\n/g;
-		writefile($file, $config{srcdir}, $content);
+
+		$config{cgi}=0; # avoid cgi error message
+		eval { writefile($file, $config{srcdir}, $content) };
+		$config{cgi}=1;
+		if ($@) {
+			$form->field(name => "rcsinfo", value => rcs_prepedit($file),
+				force => 1);
+			$form->tmpl_param("failed_save", 1);
+			$form->tmpl_param("error_message", $@);
+			$form->field("editcontent", value => $content, force => 1);
+			$form->field(name => "comments", value => $form->field('comments'), force => 1);
+			$form->field("do", "edit)");
+			$form->tmpl_param("page_select", 0);
+			$form->field(name => "page", type => 'hidden');
+			$form->field(name => "type", type => 'hidden');
+			$form->title(sprintf(gettext("editing %s"), $page));
+			print $form->render(submit => \@buttons);
+			return;
+		}
 		
 		if ($config{rcs}) {
 			my $message="";
@@ -501,10 +538,16 @@ sub cgi_editpage ($$) { #{{{
 				$form->tmpl_param("page_select", 0);
 				$form->field(name => "page", type => 'hidden');
 				$form->field(name => "type", type => 'hidden');
-				$form->title("editing $page");
+				$form->title(sprintf(gettext("editing %s"), $page));
 				print $form->render(submit => \@buttons);
 				return;
 			}
+			else {
+				# Make sure that the repo is up-to-date;
+				# locking prevents the post-commit hook
+				# from updating it.
+				rcs_update();
+			}
 		}
 		else {
 			require IkiWiki::Render;
@@ -539,7 +582,7 @@ sub cgi_savesession ($) { #{{{
 	my $oldmask=umask(077);
 	$session->flush;
 	umask($oldmask);
-}
+} #}}}
 
 sub cgi (;$$) { #{{{
 	my $q=shift;
@@ -594,43 +637,34 @@ sub cgi (;$$) { #{{{
 					email => "",
 					password => "",
 					regdate => time,
-				});
+				}) || error("failed adding user");
 			}
 		}
 	}
-
-	# Everything below this point needs the user to be signed in.
-	if (((! $config{anonok} || $do eq 'prefs') &&
-	     (! defined $session->param("name") ||
-	     ! userinfo_get($session->param("name"), "regdate")))
-            || $do eq 'signin') {
-	    	if ($do ne 'signin' && ! defined $session->param("postsignin")) {
-			$session->param(postsignin => $ENV{QUERY_STRING});
-		}
+	
+	if (defined $session->param("name") &&
+	    userinfo_get($session->param("name"), "banned")) {
+		print $q->header(-status => "403 Forbidden");
+		$session->delete();
+		print gettext("You are banned.");
+		cgi_savesession($session);
+	}
+	elsif ($do eq 'signin') {
 		cgi_signin($q, $session);
 		cgi_savesession($session);
-		return;
 	}
 	elsif (defined $session->param("postsignin")) {
 		cgi_postsignin($q, $session);
 	}
-
-	if (defined $session->param("name") && userinfo_get($session->param("name"), "banned")) {
-		print $q->header(-status => "403 Forbidden");
-		$session->delete();
-		print "You are banned.";
-		cgi_savesession($session);
-		exit;
-	}
-	
-	if ($do eq 'create' || $do eq 'edit') {
-		cgi_editpage($q, $session);
-	}
 	elsif ($do eq 'prefs') {
 		cgi_prefs($q, $session);
 	}
+	elsif ($do eq 'create' || $do eq 'edit') {
+		cgi_editpage($q, $session);
+	}
 	elsif ($do eq 'blog') {
 		my $page=titlepage(decode_utf8($q->param('title')));
+		$page=~s/(\/)/"__".ord($1)."__"/eg; # escape slashes too
 		# if the page already exists, munge it to be unique
 		my $from=$q->param('from');
 		my $add="";
@@ -643,6 +677,9 @@ sub cgi (;$$) { #{{{
 		$q->param('do', 'create');
 		cgi_editpage($q, $session);
 	}
+	elsif ($do eq 'postsignin') {
+		error(gettext("login failed, perhaps you need to turn on cookies?"));
+	}
 	else {
 		error("unknown do parameter");
 	}
@@ -662,11 +699,17 @@ sub userlink ($) { #{{{
 		if ($display !~ /\[/) {
 			$display=~s/^(.*?)\.([^.]+\.[a-z]+)$/$1 [$2]/;
 		}
+		# Convert "http://somehost.com/user" to "user [somehost.com]".
+		if ($display !~ /\[/) {
+			$display=~s/^https?:\/\/(.+)\/([^\/]+)$/$2 [$1]/;
+		}
 		$display=~s!^https?://!!; # make sure this is removed
 		return "<a href=\"$user\">".escapeHTML($display)."</a>";
 	}
 	else {
-		return htmllink("", "", escapeHTML($user), 1);
+		return htmllink("", "", escapeHTML(
+			length $config{userdir} ? $config{userdir}."/".$user : $user
+		), 1);
 	}
 } #}}}