X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/7e35ad2cd91a1abc20b7baff30d8c9e713e9d1e9..7c18261b8051e684b6650ad5d780cf5a07f7f0e7:/IkiWiki/Plugin/aggregate.pm

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index ba33a80aa..2e1ab66e6 100644
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -5,38 +5,38 @@ package IkiWiki::Plugin::aggregate;
 use warnings;
 use strict;
 use IkiWiki;
+use HTML::Entities;
+use HTML::Parser;
+use HTML::Tagset;
+use URI;
 
 my %feeds;
 my %guids;
 
 sub import { #{{{
-	IkiWiki::hook(type => "getopt", id => "aggregate", 
-		call => \&getopt);
-	IkiWiki::hook(type => "checkconfig", id => "aggregate",
-		call => \&checkconfig);
-	IkiWiki::hook(type => "filter", id => "aggregate", 
-		call => \&filter);
-	IkiWiki::hook(type => "preprocess", id => "aggregate",
-		call => \&preprocess);
-        IkiWiki::hook(type => "delete", id => "aggregate",
-                call => \&delete);
-	IkiWiki::hook(type => "savestate", id => "aggregate",
-		call => \&savestate);
+	hook(type => "getopt", id => "aggregate", call => \&getopt);
+	hook(type => "checkconfig", id => "aggregate", call => \&checkconfig);
+	hook(type => "filter", id => "aggregate", call => \&filter);
+	hook(type => "preprocess", id => "aggregate", call => \&preprocess);
+        hook(type => "delete", id => "aggregate", call => \&delete);
+	hook(type => "savestate", id => "aggregate", call => \&savestate);
 } # }}}
 
 sub getopt () { #{{{
         eval q{use Getopt::Long};
         Getopt::Long::Configure('pass_through');
-        GetOptions("aggregate" => \$IkiWiki::config{aggregate});
+        GetOptions("aggregate" => \$config{aggregate});
 } #}}}
 
 sub checkconfig () { #{{{
+	IkiWiki::lockwiki();
 	loadstate();
-	if ($IkiWiki::config{aggregate}) {
+	if ($config{aggregate}) {
 		IkiWiki::loadindex();
 		aggregate();
 		savestate();
 	}
+	IkiWiki::unlockwiki();
 } #}}}
 
 sub filter (@) { #{{{
@@ -70,9 +70,9 @@ sub preprocess (@) { #{{{
 	$feed->{name}=$name;
 	$feed->{sourcepage}=$params{page};
 	$feed->{url}=$params{url};
-	my $dir=exists $params{dir} ? $params{dir} : "feed/".IkiWiki::titlepage($params{name});
+	my $dir=exists $params{dir} ? $params{dir} : $params{page}."/".IkiWiki::titlepage($params{name});
 	$dir=~s/^\/+//;
-	($dir)=$dir=~/$IkiWiki::config{wiki_file_regexp}/;
+	($dir)=$dir=~/$config{wiki_file_regexp}/;
 	$feed->{dir}=$dir;
 	$feed->{feedurl}=defined $params{feedurl} ? $params{feedurl} : "";
 	$feed->{updateinterval}=defined $params{updateinterval} ? $params{updateinterval} * 60 : 15 * 60;
@@ -83,6 +83,7 @@ sub preprocess (@) { #{{{
 	$feed->{numposts}=0 unless defined $feed->{numposts};
 	$feed->{newposts}=0 unless defined $feed->{newposts};
 	$feed->{message}="new feed" unless defined $feed->{message};
+	$feed->{error}=0 unless defined $feed->{error};
 	$feed->{tags}=[];
 	while (@_) {
 		my $key=shift;
@@ -93,8 +94,11 @@ sub preprocess (@) { #{{{
 	}
 
 	return "<a href=\"".$feed->{url}."\">".$feed->{name}."</a>: ".
-	       "<i>".$feed->{message}."</i> (".$feed->{numposts}.
-	       " stored posts; ".$feed->{newposts}." new)<br />";
+	       ($feed->{error} ? "<em>" : "").$feed->{message}.
+	       ($feed->{error} ? "</em>" : "").
+	       " (".$feed->{numposts}." posts".
+	       ($feed->{newposts} ? "; ".$feed->{newposts}." new" : "").
+	       ")";
 } # }}}
 
 sub delete (@) { #{{{
@@ -102,17 +106,15 @@ sub delete (@) { #{{{
 
 	# Remove feed data for removed pages.
 	foreach my $file (@files) {
-		my $page=IkiWiki::pagename($file);
+		my $page=pagename($file);
 		remove_feeds($page);
 	}
 } #}}}
 
 sub loadstate () { #{{{
-	eval q{use HTML::Entities};
-	die $@ if $@;
-	if (-e "$IkiWiki::config{wikistatedir}/aggregate") {
-		open (IN, "$IkiWiki::config{wikistatedir}/aggregate" ||
-			die "$IkiWiki::config{wikistatedir}/aggregate: $!");
+	if (-e "$config{wikistatedir}/aggregate") {
+		open (IN, "$config{wikistatedir}/aggregate" ||
+			die "$config{wikistatedir}/aggregate: $!");
 		while (<IN>) {
 			$_=IkiWiki::possibly_foolish_untaint($_);
 			chomp;
@@ -146,8 +148,8 @@ sub loadstate () { #{{{
 sub savestate () { #{{{
 	eval q{use HTML::Entities};
 	die $@ if $@;
-	open (OUT, ">$IkiWiki::config{wikistatedir}/aggregate" ||
-		die "$IkiWiki::config{wikistatedir}/aggregate: $!");
+	open (OUT, ">$config{wikistatedir}/aggregate" ||
+		die "$config{wikistatedir}/aggregate: $!");
 	foreach my $data (values %feeds, values %guids) {
 		if ($data->{remove}) {
 			if ($data->{name}) {
@@ -188,18 +190,20 @@ sub aggregate () { #{{{
 	die $@ if $@;
 
 	foreach my $feed (values %feeds) {
-		next unless time - $feed->{lastupdate} >= $feed->{updateinterval};
+		next unless $config{rebuild} || 
+			time - $feed->{lastupdate} >= $feed->{updateinterval};
 		$feed->{lastupdate}=time;
 		$feed->{newposts}=0;
 		$IkiWiki::forcerebuild{$feed->{sourcepage}}=1;
 
-		IkiWiki::debug("checking feed ".$feed->{name}." ...");
+		debug("checking feed ".$feed->{name}." ...");
 
 		if (! length $feed->{feedurl}) {
 			my @urls=XML::Feed->find_feeds($feed->{url});
 			if (! @urls) {
 				$feed->{message}="could not find feed at ".$feed->{feedurl};
-				IkiWiki::debug($feed->{message});
+				$feed->{error}=1;
+				debug($feed->{message});
 				next;
 			}
 			$feed->{feedurl}=pop @urls;
@@ -207,12 +211,14 @@ sub aggregate () { #{{{
 		my $f=eval{XML::Feed->parse(URI->new($feed->{feedurl}))};
 		if ($@) {
 			$feed->{message}="feed crashed XML::Feed! $@";
-			IkiWiki::debug($feed->{message});
+			$feed->{error}=1;
+			debug($feed->{message});
 			next;
 		}
 		if (! $f) {
 			$feed->{message}=XML::Feed->errstr;
-			IkiWiki::debug($feed->{message});
+			$feed->{error}=1;
+			debug($feed->{message});
 			next;
 		}
 
@@ -227,7 +233,9 @@ sub aggregate () { #{{{
 			);
 		}
 
-		$feed->{message}="processed ok";
+		$feed->{message}="processed ok at ".
+			displaytime($feed->{lastupdate});
+		$feed->{error}=0;
 	}
 
 	# TODO: expiry
@@ -252,20 +260,22 @@ sub add_page (@) { #{{{
 		$feed->{newposts}++;
 
 		# assign it an unused page
-		my $page=$feed->{dir}."/".IkiWiki::titlepage($params{title});
-		$page=lc($page);
-		($page)=$page=~/$IkiWiki::config{wiki_file_regexp}/;
+		my $page=IkiWiki::titlepage($params{title});
+		# escape slashes and periods in title so it doesn't specify
+		# directory name or trigger ".." disallowing code.
+		$page=~s!([/.])!"__".ord($1)."__"!eg;
+		$page=$feed->{dir}."/".$page;
+		($page)=$page=~/$config{wiki_file_regexp}/;
 		if (! defined $page || ! length $page) {
 			$page=$feed->{dir}."/item";
 		}
-		$page=~s/\.\.//g; # avoid ".." directory tricks
 		my $c="";
-		while (exists $IkiWiki::pagesources{$page.$c} ||
+		while (exists $IkiWiki::pagecase{lc $page.$c} ||
 		       -e pagefile($page.$c)) {
 			$c++
 		}
 		$guid->{page}=$page;
-		IkiWiki::debug("creating new page $page");
+		debug("creating new page $page");
 	}
 	$guid->{feed}=$feed->{name};
 	
@@ -275,22 +285,22 @@ sub add_page (@) { #{{{
 	eval q{use Digest::MD5 'md5_hex'};
 	require Encode;
 	my $digest=md5_hex(Encode::encode_utf8($params{content}));
-	return unless ! exists $guid->{md5} || $guid->{md5} ne $digest;
+	return unless ! exists $guid->{md5} || $guid->{md5} ne $digest || $config{rebuild};
 	$guid->{md5}=$digest;
 
 	# Create the page.
-	my $template=IkiWiki::template("aggregatepost.tmpl", blind_cache => 1);
-	my $content=$params{content};
-	$params{content}=~s/(?<!\\)\[\[/\\\[\[/g; # escape accidental wikilinks
-	                                          # and preprocessor stuff
-	$template->param(content => $params{content});
-	$template->param(url => $feed->{url});
+	my $template=template("aggregatepost.tmpl", blind_cache => 1);
+	$template->param(title => $params{title})
+		if defined $params{title} && length($params{title});
+	$template->param(content => htmlescape(htmlabs($params{content}, $feed->{feedurl})));
 	$template->param(name => $feed->{name});
-	$template->param(link => $params{link}) if defined $params{link};
+	$template->param(url => $feed->{url});
+	$template->param(permalink => urlabs($params{link}, $feed->{feedurl}))
+		if defined $params{link};
 	if (ref $feed->{tags}) {
 		$template->param(tags => [map { tag => $_ }, @{$feed->{tags}}]);
 	}
-	IkiWiki::writefile($guid->{page}.".html", $IkiWiki::config{srcdir},
+	writefile(htmlpage($guid->{page}), $config{srcdir},
 		$template->output);
 
 	# Set the mtime, this lets the build process get the right creation
@@ -298,6 +308,58 @@ sub add_page (@) { #{{{
 	utime $mtime, $mtime, pagefile($guid->{page}) if defined $mtime;
 } #}}}
 
+sub htmlescape ($) { #{{{
+	# escape accidental wikilinks and preprocessor stuff
+	my $html=shift;
+	$html=~s/(?<!\\)\[\[/\\\[\[/g;
+	return $html;
+} #}}}
+
+sub urlabs ($$) { #{{{
+	my $url=shift;
+	my $urlbase=shift;
+
+	URI->new_abs($url, $urlbase)->as_string;
+} #}}}
+
+sub htmlabs ($$) { #{{{
+	# Convert links in html from relative to absolute.
+	# Note that this is a heuristic, which is not specified by the rss
+	# spec and may not be right for all feeds. Also, see Debian
+	# bug #381359.
+	my $html=shift;
+	my $urlbase=shift;
+
+	my $ret="";
+	my $p = HTML::Parser->new(api_version => 3);
+	$p->handler(default => sub { $ret.=join("", @_) }, "text");
+	$p->handler(start => sub {
+		my ($tagname, $pos, $text) = @_;
+		if (ref $HTML::Tagset::linkElements{$tagname}) {
+			while (4 <= @$pos) {
+				# use attribute sets from right to left
+				# to avoid invalidating the offsets
+				# when replacing the values
+				my($k_offset, $k_len, $v_offset, $v_len) =
+					splice(@$pos, -4);
+				my $attrname = lc(substr($text, $k_offset, $k_len));
+				next unless grep { $_ eq $attrname } @{$HTML::Tagset::linkElements{$tagname}};
+				next unless $v_offset; # 0 v_offset means no value
+				my $v = substr($text, $v_offset, $v_len);
+				$v =~ s/^([\'\"])(.*)\1$/$2/;
+				my $new_v=urlabs($v, $urlbase);
+				$new_v =~ s/\"/&quot;/g; # since we quote with ""
+				substr($text, $v_offset, $v_len) = qq("$new_v");
+			}
+		}
+		$ret.=$text;
+	}, "tagname, tokenpos, text");
+	$p->parse($html);
+	$p->eof;
+
+	return $ret;
+} #}}}
+
 sub remove_feeds () { #{{{
 	my $page=shift;
 
@@ -313,7 +375,7 @@ sub remove_feeds () { #{{{
 sub pagefile ($) { #{{{
 	my $page=shift;
 
-	return "$IkiWiki::config{srcdir}/$page.html";
+	return "$config{srcdir}/".htmlpage($page);
 } #}}}
 
 1