X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/72c03656f91db1e9eff1f9d8251c8baeffef10f7..db9f2b1b2b97fd92b09f170c3b567ec59030bf0a:/IkiWiki/Plugin/aggregate.pm?ds=inline

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index c9c2880c5..59185e97f 100644
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -4,17 +4,16 @@ package IkiWiki::Plugin::aggregate;
 
 use warnings;
 use strict;
-use IkiWiki 2.00;
+use IkiWiki 3.00;
 use HTML::Parser;
 use HTML::Tagset;
 use HTML::Entities;
-use URI;
 use open qw{:utf8 :std};
 
 my %feeds;
 my %guids;
 
-sub import { #{{{
+sub import {
 	hook(type => "getopt", id => "aggregate", call => \&getopt);
 	hook(type => "getsetup", id => "aggregate", call => \&getsetup);
 	hook(type => "checkconfig", id => "aggregate", call => \&checkconfig);
@@ -26,9 +25,9 @@ sub import { #{{{
 	if (exists $config{aggregate_webtrigger} && $config{aggregate_webtrigger}) {
 		hook(type => "cgi", id => "aggregate", call => \&cgi);
 	}
-} # }}}
+}
 
-sub getopt () { #{{{
+sub getopt () {
         eval q{use Getopt::Long};
 	error($@) if $@;
         Getopt::Long::Configure('pass_through');
@@ -36,9 +35,9 @@ sub getopt () { #{{{
 		"aggregate" => \$config{aggregate},
 		"aggregateinternal!" => \$config{aggregateinternal},
 	);
-} #}}}
+}
 
-sub getsetup () { #{{{
+sub getsetup () {
 	return
 		plugin => {
 			safe => 1,
@@ -46,7 +45,7 @@ sub getsetup () { #{{{
 		},
 		aggregateinternal => {
 			type => "boolean",
-			example => 0,
+			example => 1,
 			description => "enable aggregation to internal pages?",
 			safe => 0, # enabling needs manual transition
 			rebuild => 0,
@@ -58,16 +57,20 @@ sub getsetup () { #{{{
 			safe => 1,
 			rebuild => 0,
 		},
-} #}}}
+}
+
+sub checkconfig () {
+	if (! defined $config{aggregateinternal}) {
+		$config{aggregateinternal}=1;
+	}
 
-sub checkconfig () { #{{{
 	if ($config{aggregate} && ! ($config{post_commit} && 
 	                             IkiWiki::commit_hook_enabled())) {
 		launchaggregation();
 	}
-} #}}}
+}
 
-sub cgi ($) { #{{{
+sub cgi ($) {
 	my $cgi=shift;
 
 	if (defined $cgi->param('do') &&
@@ -90,9 +93,9 @@ sub cgi ($) { #{{{
 		}
 		exit 0;
 	}
-} #}}}
+}
 
-sub launchaggregation () { #{{{
+sub launchaggregation () {
 	# See if any feeds need aggregation.
 	loadstate();
 	my @feeds=needsaggregate();
@@ -135,16 +138,16 @@ sub launchaggregation () { #{{{
 	unlockaggregate();
 
 	return 1;
-} #}}}
+}
 
 #  Pages with extension _aggregated have plain html markup, pass through.
-sub htmlize (@) { #{{{
+sub htmlize (@) {
 	my %params=@_;
 	return $params{content};
-} #}}}
+}
 
 # Used by ikiwiki-transition aggregateinternal.
-sub migrate_to_internal { #{{{
+sub migrate_to_internal {
 	if (! lockaggregate()) {
 		error("an aggregation process is currently running");
 	}
@@ -190,9 +193,9 @@ sub migrate_to_internal { #{{{
 	IkiWiki::unlockwiki;
 	
 	unlockaggregate();
-} #}}}
+}
 
-sub needsbuild (@) { #{{{
+sub needsbuild (@) {
 	my $needsbuild=shift;
 	
 	loadstate();
@@ -206,9 +209,11 @@ sub needsbuild (@) { #{{{
 			markunseen($feed->{sourcepage});
 		}
 	}
-} # }}}
 
-sub preprocess (@) { #{{{
+	return $needsbuild;
+}
+
+sub preprocess (@) {
 	my %params=@_;
 
 	foreach my $required (qw{name url}) {
@@ -245,6 +250,7 @@ sub preprocess (@) { #{{{
 	$feed->{template}=$params{template} . ".tmpl";
 	delete $feed->{unseen};
 	$feed->{lastupdate}=0 unless defined $feed->{lastupdate};
+	$feed->{lasttry}=$feed->{lastupdate} unless defined $feed->{lasttry};
 	$feed->{numposts}=0 unless defined $feed->{numposts};
 	$feed->{newposts}=0 unless defined $feed->{newposts};
 	$feed->{message}=gettext("new feed") unless defined $feed->{message};
@@ -265,9 +271,9 @@ sub preprocess (@) { #{{{
 	       ($feed->{newposts} ? "; ".$feed->{newposts}.
 	                            " ".gettext("new") : "").
 	       ")";
-} # }}}
+}
 
-sub delete (@) { #{{{
+sub delete (@) {
 	my @files=@_;
 
 	# Remove feed data for removed pages.
@@ -275,9 +281,9 @@ sub delete (@) { #{{{
 		my $page=pagename($file);
 		markunseen($page);
 	}
-} #}}}
+}
 
-sub markunseen ($) { #{{{
+sub markunseen ($) {
 	my $page=shift;
 
 	foreach my $id (keys %feeds) {
@@ -285,15 +291,15 @@ sub markunseen ($) { #{{{
 			$feeds{$id}->{unseen}=1;
 		}
 	}
-} #}}}
+}
 
 my $state_loaded=0;
 
-sub loadstate () { #{{{
+sub loadstate () {
 	return if $state_loaded;
 	$state_loaded=1;
 	if (-e "$config{wikistatedir}/aggregate") {
-		open(IN, "$config{wikistatedir}/aggregate") ||
+		open(IN, "<", "$config{wikistatedir}/aggregate") ||
 			die "$config{wikistatedir}/aggregate: $!";
 		while (<IN>) {
 			$_=IkiWiki::possibly_foolish_untaint($_);
@@ -323,14 +329,14 @@ sub loadstate () { #{{{
 
 		close IN;
 	}
-} #}}}
+}
 
-sub savestate () { #{{{
+sub savestate () {
 	return unless $state_loaded;
 	garbage_collect();
 	my $newfile="$config{wikistatedir}/aggregate.new";
 	my $cleanup = sub { unlink($newfile) };
-	open (OUT, ">$newfile") || error("open $newfile: $!", $cleanup);
+	open (OUT, ">", $newfile) || error("open $newfile: $!", $cleanup);
 	foreach my $data (values %feeds, values %guids) {
 		my @line;
 		foreach my $field (keys %$data) {
@@ -342,7 +348,8 @@ sub savestate () { #{{{
 				push @line, "tag=$_" foreach @{$data->{tags}};
 			}
 			else {
-				push @line, "$field=".$data->{$field};
+				push @line, "$field=".$data->{$field}
+					if defined $data->{$field};
 			}
 		}
 		print OUT join(" ", @line)."\n" || error("write $newfile: $!", $cleanup);
@@ -350,9 +357,23 @@ sub savestate () { #{{{
 	close OUT || error("save $newfile: $!", $cleanup);
 	rename($newfile, "$config{wikistatedir}/aggregate") ||
 		error("rename $newfile: $!", $cleanup);
-} #}}}
 
-sub garbage_collect () { #{{{
+	my $timestamp=undef;
+	foreach my $feed (keys %feeds) {
+		my $t=$feeds{$feed}->{lastupdate}+$feeds{$feed}->{updateinterval};
+		if (! defined $timestamp || $timestamp > $t) {
+			$timestamp=$t;
+		}
+	}
+	$newfile=~s/\.new$/time/;
+	open (OUT, ">", $newfile) || error("open $newfile: $!", $cleanup);
+	if (defined $timestamp) {
+		print OUT $timestamp."\n";
+	}
+	close OUT || error("save $newfile: $!", $cleanup);
+}
+
+sub garbage_collect () {
 	foreach my $name (keys %feeds) {
 		# remove any feeds that were not seen while building the pages
 		# that used to contain them
@@ -375,9 +396,9 @@ sub garbage_collect () { #{{{
 			delete $guid->{md5};
 		}
 	}
-} #}}}
+}
 
-sub mergestate () { #{{{
+sub mergestate () {
 	# Load the current state in from disk, and merge into it
 	# values from the state in memory that might have changed
 	# during aggregation.
@@ -390,14 +411,15 @@ sub mergestate () { #{{{
 	# fields.
 	foreach my $name (keys %myfeeds) {
 		if (exists $feeds{$name}) {
-			foreach my $field (qw{message lastupdate numposts
-			                      newposts error}) {
+			foreach my $field (qw{message lastupdate lasttry
+			                      numposts newposts error}) {
 				$feeds{$name}->{$field}=$myfeeds{$name}->{$field};
 			}
 		}
 	}
 
 	# New guids can be created during aggregation.
+	# Guids have a few fields that may be updated during aggregation.
 	# It's also possible that guids were removed from the on-disk state
 	# while the aggregation was in process. That would only happen if
 	# their feed was also removed, so any removed guids added back here
@@ -406,16 +428,21 @@ sub mergestate () { #{{{
 		if (! exists $guids{$guid}) {
 			$guids{$guid}=$myguids{$guid};
 		}
+		else {
+			foreach my $field (qw{md5}) {
+				$guids{$guid}->{$field}=$myguids{$guid}->{$field};
+			}
+		}
 	}
-} #}}}
+}
 
-sub clearstate () { #{{{
+sub clearstate () {
 	%feeds=();
 	%guids=();
 	$state_loaded=0;
-} #}}}
+}
 
-sub expire () { #{{{
+sub expire () {
 	foreach my $feed (values %feeds) {
 		next unless $feed->{expireage} || $feed->{expirecount};
 		my $count=0;
@@ -444,24 +471,24 @@ sub expire () { #{{{
 			}
 		}
 	}
-} #}}}
+}
 
-sub needsaggregate () { #{{{
+sub needsaggregate () {
 	return values %feeds if $config{rebuild};
 	return grep { time - $_->{lastupdate} >= $_->{updateinterval} } values %feeds;
-} #}}}
+}
 
-sub aggregate (@) { #{{{
+sub aggregate (@) {
 	eval q{use XML::Feed};
 	error($@) if $@;
 	eval q{use URI::Fetch};
 	error($@) if $@;
 
 	foreach my $feed (@_) {
-		$feed->{lastupdate}=time;
+		$feed->{lasttry}=time;
 		$feed->{newposts}=0;
 		$feed->{message}=sprintf(gettext("last checked %s"),
-			displaytime($feed->{lastupdate}));
+			displaytime($feed->{lasttry}));
 		$feed->{error}=0;
 
 		debug(sprintf(gettext("checking feed %s ..."), $feed->{name}));
@@ -483,6 +510,10 @@ sub aggregate (@) { #{{{
 			debug($feed->{message});
 			next;
 		}
+
+		# lastupdate is only set if we were able to contact the server
+		$feed->{lastupdate}=$feed->{lasttry};
+
 		if ($res->status == URI::Fetch::URI_GONE()) {
 			$feed->{message}=gettext("feed not found");
 			$feed->{error}=1;
@@ -496,15 +527,19 @@ sub aggregate (@) { #{{{
 			# 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, 0);
-			$f=eval{XML::Feed->parse(\$content)};
+			$f=eval {
+				$content=Encode::decode_utf8($content, 0);
+				XML::Feed->parse(\$content)
+			};
 		}
 		if ($@) {
 			# Another possibility is badly escaped entities.
 			$feed->{message}.=" ".sprintf(gettext("(feed entities escaped)"));
 			$content=~s/\&(?!amp)(\w+);/&amp;$1;/g;
-			$content=Encode::decode_utf8($content, 0);
-			$f=eval{XML::Feed->parse(\$content)};
+			$f=eval {
+				$content=Encode::decode_utf8($content, 0);
+				XML::Feed->parse(\$content)
+			};
 		}
 		if ($@) {
 			$feed->{message}=gettext("feed crashed XML::Feed!")." ($@)";
@@ -520,6 +555,11 @@ sub aggregate (@) { #{{{
 		}
 
 		foreach my $entry ($f->entries) {
+			# XML::Feed doesn't work around XML::Atom's bizarre
+			# API, so we will. Real unicode strings? Yes please.
+			# See [[bugs/Aggregated_Atom_feeds_are_double-encoded]]
+			local $XML::Atom::ForceUnicode = 1;
+
 			my $c=$entry->content;
 			# atom feeds may have no content, only a summary
 			if (! defined $c && ref $entry->summary) {
@@ -531,16 +571,16 @@ sub aggregate (@) { #{{{
 				copyright => $f->copyright,
 				title => defined $entry->title ? decode_entities($entry->title) : "untitled",
 				link => $entry->link,
-				content => defined $c ? $c->body : "",
+				content => (defined $c && defined $c->body) ? $c->body : "",
 				guid => defined $entry->id ? $entry->id : time."_".$feed->{name},
 				ctime => $entry->issued ? ($entry->issued->epoch || time) : time,
 				base => (defined $c && $c->can("base")) ? $c->base : undef,
 			);
 		}
 	}
-} #}}}
+}
 
-sub add_page (@) { #{{{
+sub add_page (@) {
 	my %params=@_;
 	
 	my $feed=$params{feed};
@@ -603,16 +643,23 @@ sub add_page (@) { #{{{
 	$guid->{md5}=$digest;
 
 	# Create the page.
-	my $template=template($feed->{template}, blind_cache => 1);
+	my $template;
+	eval {
+		$template=template($feed->{template}, blind_cache => 1);
+	};
+	if ($@) {
+		print STDERR gettext("failed to process template:")." $@";
+		return;
+	}
 	$template->param(title => $params{title})
 		if defined $params{title} && length($params{title});
-	$template->param(content => htmlescape(htmlabs($params{content},
+	$template->param(content => wikiescape(htmlabs($params{content},
 		defined $params{base} ? $params{base} : $feed->{feedurl})));
 	$template->param(name => $feed->{name});
 	$template->param(url => $feed->{url});
 	$template->param(copyright => $params{copyright})
 		if defined $params{copyright} && length $params{copyright};
-	$template->param(permalink => urlabs($params{link}, $feed->{feedurl}))
+	$template->param(permalink => IkiWiki::urlabs($params{link}, $feed->{feedurl}))
 		if defined $params{link};
 	if (ref $feed->{tags}) {
 		$template->param(tags => [map { tag => $_ }, @{$feed->{tags}}]);
@@ -625,29 +672,22 @@ sub add_page (@) { #{{{
 		# creation time on record for the new page.
 		utime $mtime, $mtime, "$config{srcdir}/".htmlfn($guid->{page});
 		# Store it in pagectime for expiry code to use also.
-		$IkiWiki::pagectime{$guid->{page}}=$mtime;
+		$IkiWiki::pagectime{$guid->{page}}=$mtime
+			unless exists $IkiWiki::pagectime{$guid->{page}};
 	}
 	else {
 		# Dummy value for expiry code.
-		$IkiWiki::pagectime{$guid->{page}}=time;
+		$IkiWiki::pagectime{$guid->{page}}=time
+			unless exists $IkiWiki::pagectime{$guid->{page}};
 	}
-} #}}}
+}
 
-sub htmlescape ($) { #{{{
+sub wikiescape ($) {
 	# 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;
-} #}}}
+	return encode_entities(shift, '\[\]');
+}
 
-sub htmlabs ($$) { #{{{
+sub htmlabs ($$) {
 	# 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
@@ -672,7 +712,7 @@ sub htmlabs ($$) { #{{{
 				next unless $v_offset; # 0 v_offset means no value
 				my $v = substr($text, $v_offset, $v_len);
 				$v =~ s/^([\'\"])(.*)\1$/$2/;
-				my $new_v=urlabs($v, $urlbase);
+				my $new_v=IkiWiki::urlabs($v, $urlbase);
 				$new_v =~ s/\"/&quot;/g; # since we quote with ""
 				substr($text, $v_offset, $v_len) = qq("$new_v");
 			}
@@ -683,15 +723,15 @@ sub htmlabs ($$) { #{{{
 	$p->eof;
 
 	return $ret;
-} #}}}
+}
 
-sub htmlfn ($) { #{{{
+sub htmlfn ($) {
 	return shift().".".($config{aggregateinternal} ? "_aggregated" : $config{htmlext});
-} #}}}
+}
 
 my $aggregatelock;
 
-sub lockaggregate () { #{{{
+sub lockaggregate () {
 	# Take an exclusive lock to prevent multiple concurrent aggregators.
 	# Returns true if the lock was aquired.
 	if (! -d $config{wikistatedir}) {
@@ -704,11 +744,11 @@ sub lockaggregate () { #{{{
 		return 0;
 	}
 	return 1;
-} #}}}
+}
 
-sub unlockaggregate () { #{{{
+sub unlockaggregate () {
 	return close($aggregatelock) if $aggregatelock;
 	return;
-} #}}}
+}
 
 1