X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/912521ef0711204965aa2319d41c7741bd3f4f4c..b9dc3e84a512eecf66b2b3e73be39530b588f49c:/IkiWiki/Plugin/aggregate.pm?ds=inline

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index 46cd3102c..78f8b409c 100644
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -4,7 +4,7 @@ package IkiWiki::Plugin::aggregate;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 use HTML::Entities;
 use HTML::Parser;
 use HTML::Tagset;
@@ -31,15 +31,16 @@ sub getopt () { #{{{
 } #}}}
 
 sub checkconfig () { #{{{
-	IkiWiki::lockwiki();
+	my $nolock=($config{post_commit} && ! IkiWiki::commit_hook_enabled());
+	IkiWiki::lockwiki() unless $nolock;
 	loadstate();
-	if ($config{aggregate}) {
+	if ($config{aggregate} && ! $nolock) {
 		IkiWiki::loadindex();
 		aggregate();
 		expire();
 		savestate();
 	}
-	IkiWiki::unlockwiki();
+	IkiWiki::unlockwiki() unless $nolock;
 } #}}}
 
 sub filter (@) { #{{{
@@ -58,7 +59,7 @@ sub preprocess (@) { #{{{
 
 	foreach my $required (qw{name url}) {
 		if (! exists $params{$required}) {
-			return "[[".sprintf(gettext("aggregate plugin missing %s parameter"), $required)."]]";
+			return "[[aggregate ".sprintf(gettext("missing %s parameter"), $required)."]]";
 		}
 	}
 
@@ -153,8 +154,11 @@ sub loadstate () { #{{{
 sub savestate () { #{{{
 	eval q{use HTML::Entities};
 	error($@) if $@;
-	open (OUT, ">$config{wikistatedir}/aggregate" ||
-		die "$config{wikistatedir}/aggregate: $!");
+	my $newfile="$config{wikistatedir}/aggregate.new";
+	# TODO: This cleanup function could use improvement. Any newly
+	# aggregated files are left behind unrecorded, and should be deleted.
+	my $cleanup = sub { unlink($newfile) };
+	open (OUT, ">$newfile") || error("open $newfile: $!", $cleanup);
 	foreach my $data (values %feeds, values %guids) {
 		if ($data->{remove}) {
 			if ($data->{name}) {
@@ -188,9 +192,11 @@ sub savestate () { #{{{
 				push @line, "$field=".$data->{$field};
 			}
 		}
-		print OUT join(" ", @line)."\n";
+		print OUT join(" ", @line)."\n" || error("write $newfile: $!", $cleanup);
 	}
-	close OUT;
+	close OUT || error("save $newfile: $!", $cleanup);
+	rename($newfile, "$config{wikistatedir}/aggregate") ||
+		error("rename $newfile: $!", $cleanup);
 } #}}}
 
 sub expire () { #{{{
@@ -223,6 +229,8 @@ sub expire () { #{{{
 sub aggregate () { #{{{
 	eval q{use XML::Feed};
 	error($@) if $@;
+	eval q{use URI::Fetch};
+	error($@) if $@;
 	eval q{use HTML::Entities};
 	error($@) if $@;
 
@@ -231,21 +239,46 @@ sub aggregate () { #{{{
 			time - $feed->{lastupdate} >= $feed->{updateinterval};
 		$feed->{lastupdate}=time;
 		$feed->{newposts}=0;
+		$feed->{message}=sprintf(gettext("processed ok at %s"),
+			displaytime($feed->{lastupdate}));
+		$feed->{error}=0;
 		$IkiWiki::forcerebuild{$feed->{sourcepage}}=1;
 
-		debug(sprintf(gettext("checking feed %s	..."), $feed->{name}));
+		debug(sprintf(gettext("checking feed %s ..."), $feed->{name}));
 
 		if (! length $feed->{feedurl}) {
 			my @urls=XML::Feed->find_feeds($feed->{url});
 			if (! @urls) {
-				$feed->{message}=sprintf(gettext("could not find feed at %s"), $feed->{feedurl});
+				$feed->{message}=sprintf(gettext("could not find feed at %s"), $feed->{url});
 				$feed->{error}=1;
 				debug($feed->{message});
 				next;
 			}
 			$feed->{feedurl}=pop @urls;
 		}
-		my $f=eval{XML::Feed->parse(URI->new($feed->{feedurl}))};
+		my $res=URI::Fetch->fetch($feed->{feedurl});
+		if (! $res) {
+			$feed->{message}=URI::Fetch->errstr;
+			$feed->{error}=1;
+			debug($feed->{message});
+			next;
+		}
+		if ($res->status == URI::Fetch::URI_GONE()) {
+			$feed->{message}=gettext("feed not found");
+			$feed->{error}=1;
+			debug($feed->{message});
+			next;
+		}
+		my $content=$res->content;
+		my $f=eval{XML::Feed->parse(\$content)};
+		if ($@) {
+			# One common cause of XML::Feed crashing is a feed
+			# that contains invalid UTF-8 sequences. Convert
+			# feed to ascii to try to work around.
+			$feed->{message}.=" ".sprintf(gettext("(invalid UTF-8 stripped from feed)"));
+			$content=Encode::decode_utf8($content);
+			$f=eval{XML::Feed->parse(\$content)};
+		}
 		if ($@) {
 			$feed->{message}=gettext("feed crashed XML::Feed!")." ($@)";
 			$feed->{error}=1;
@@ -264,15 +297,11 @@ sub aggregate () { #{{{
 				feed => $feed,
 				title => defined $entry->title ? decode_entities($entry->title) : "untitled",
 				link => $entry->link,
-				content => $entry->content->body,
+				content => defined $entry->content->body ? $entry->content->body : "",
 				guid => defined $entry->id ? $entry->id : time."_".$feed->name,
 				ctime => $entry->issued ? ($entry->issued->epoch || time) : time,
 			);
 		}
-
-		$feed->{message}=sprintf(gettext("processed ok at "),
-			displaytime($feed->{lastupdate}));
-		$feed->{error}=0;
 	}
 } #}}}
 
@@ -310,6 +339,19 @@ sub add_page (@) { #{{{
 		       -e pagefile($page.$c)) {
 			$c++
 		}
+
+		# Make sure that the file name isn't too long. 
+		# NB: This doesn't check for path length limits.
+		my $max=POSIX::pathconf($config{srcdir}, &POSIX::_PC_NAME_MAX);
+		if (defined $max && length(htmlfn($page)) >= $max) {
+			$c="";
+			$page=$feed->{dir}."/item";
+			while (exists $IkiWiki::pagecase{lc $page.$c} ||
+			       -e pagefile($page.$c)) {
+				$c++
+			}
+		}
+
 		$guid->{page}=$page;
 		debug(sprintf(gettext("creating new page %s"), $page));
 	}
@@ -337,7 +379,7 @@ sub add_page (@) { #{{{
 	if (ref $feed->{tags}) {
 		$template->param(tags => [map { tag => $_ }, @{$feed->{tags}}]);
 	}
-	writefile(htmlpage($guid->{page}), $config{srcdir},
+	writefile(htmlfn($guid->{page}), $config{srcdir},
 		$template->output);
 
 	# Set the mtime, this lets the build process get the right creation
@@ -412,7 +454,11 @@ sub remove_feeds () { #{{{
 sub pagefile ($) { #{{{
 	my $page=shift;
 
-	return "$config{srcdir}/".htmlpage($page);
+	return "$config{srcdir}/".htmlfn($page);
+} #}}}
+
+sub htmlfn ($) { #{{{
+	return shift().".html";
 } #}}}
 
 1