X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/9d54cc4659248f9820f47a021b694405d75404a8..769be3d48e5612a73232b868cbd6cd35ab3515df:/IkiWiki/Plugin/aggregate.pm

diff --git a/IkiWiki/Plugin/aggregate.pm b/IkiWiki/Plugin/aggregate.pm
index ba40ee6bc..2e4c86f24 100644
--- a/IkiWiki/Plugin/aggregate.pm
+++ b/IkiWiki/Plugin/aggregate.pm
@@ -1,13 +1,13 @@
 #!/usr/bin/perl
-# Blog aggregation plugin.
+# Feed aggregation plugin.
 package IkiWiki::Plugin::aggregate;
 
 use warnings;
 use strict;
 use IkiWiki 2.00;
-use HTML::Entities;
 use HTML::Parser;
 use HTML::Tagset;
+use HTML::Entities;
 use URI;
 use open qw{:utf8 :std};
 
@@ -16,65 +16,180 @@ my %guids;
 
 sub import { #{{{
 	hook(type => "getopt", id => "aggregate", call => \&getopt);
+	hook(type => "getsetup", id => "aggregate", call => \&getsetup);
 	hook(type => "checkconfig", id => "aggregate", call => \&checkconfig);
 	hook(type => "needsbuild", id => "aggregate", call => \&needsbuild);
 	hook(type => "preprocess", id => "aggregate", call => \&preprocess);
         hook(type => "delete", id => "aggregate", call => \&delete);
 	hook(type => "savestate", id => "aggregate", call => \&savestate);
+	hook(type => "htmlize", id => "_aggregated", call => \&htmlize);
+	if (exists $config{aggregate_webtrigger} && $config{aggregate_webtrigger}) {
+		hook(type => "cgi", id => "aggregate", call => \&cgi);
+	}
 } # }}}
 
 sub getopt () { #{{{
         eval q{use Getopt::Long};
 	error($@) if $@;
         Getopt::Long::Configure('pass_through');
-        GetOptions("aggregate" => \$config{aggregate});
+        GetOptions(
+		"aggregate" => \$config{aggregate},
+		"aggregateinternal!" => \$config{aggregateinternal},
+	);
+} #}}}
+
+sub getsetup () { #{{{
+	return
+		plugin => {
+			safe => 1,
+			rebuild => undef,
+		},
+		aggregateinternal => {
+			type => "boolean",
+			example => 0,
+			description => "enable aggregation to internal pages?",
+			safe => 0, # enabling needs manual transition
+			rebuild => 0,
+		},
+		aggregate_webtrigger => {
+			type => "boolean",
+			example => 0,
+			description => "allow aggregation to be triggered via the web?",
+			safe => 1,
+			rebuild => 0,
+		},
 } #}}}
 
 sub checkconfig () { #{{{
 	if ($config{aggregate} && ! ($config{post_commit} && 
 	                             IkiWiki::commit_hook_enabled())) {
-		# See if any feeds need aggregation.
-		loadstate();
-		my @feeds=needsaggregate();
-		return unless @feeds;
-		if (! lockaggregate()) {
-			debug("an aggregation process is already running");
-			return;
-		}
-		# force a later rebuild of source pages
-		$IkiWiki::forcerebuild{$_->{sourcepage}}=1
-			foreach @feeds;
-
-		# Fork a child process to handle the aggregation.
-		# The parent process will then handle building the
-		# result. This avoids messy code to clear state
-		# accumulated while aggregating.
-		defined(my $pid = fork) or error("Can't fork: $!");
-		if (! $pid) {
-			IkiWiki::loadindex();
+		launchaggregation();
+	}
+} #}}}
 
-			# Aggregation happens without the main wiki lock
-			# being held. This allows editing pages etc while
-			# aggregation is running.
-			aggregate(@feeds);
-
-			IkiWiki::lockwiki;
-			# Merge changes, since aggregation state may have
-			# changed on disk while the aggregation was happening.
-			mergestate();
-			expire();
-			savestate();
-			IkiWiki::unlockwiki;
-			exit 0;
+sub cgi ($) { #{{{
+	my $cgi=shift;
+
+	if (defined $cgi->param('do') &&
+	    $cgi->param("do") eq "aggregate_webtrigger") {
+		$|=1;
+		print "Content-Type: text/plain\n\n";
+		$config{cgi}=0;
+		$config{verbose}=1;
+		$config{syslog}=0;
+		print gettext("Aggregation triggered via web.")."\n\n";
+		if (launchaggregation()) {
+			IkiWiki::lockwiki();
+			IkiWiki::loadindex();
+			require IkiWiki::Render;
+			IkiWiki::refresh();
+			IkiWiki::saveindex();
 		}
-		waitpid($pid,0);
-		if ($?) {
-			error "aggregation failed with code $?";
+		else {
+			print gettext("Nothing to do right now, all feeds are up-to-date!")."\n";
 		}
+		exit 0;
+	}
+} #}}}
+
+sub launchaggregation () { #{{{
+	# See if any feeds need aggregation.
+	loadstate();
+	my @feeds=needsaggregate();
+	return unless @feeds;
+	if (! lockaggregate()) {
+		debug("an aggregation process is already running");
+		return;
+	}
+	# force a later rebuild of source pages
+	$IkiWiki::forcerebuild{$_->{sourcepage}}=1
+		foreach @feeds;
+
+	# Fork a child process to handle the aggregation.
+	# The parent process will then handle building the
+	# result. This avoids messy code to clear state
+	# accumulated while aggregating.
+	defined(my $pid = fork) or error("Can't fork: $!");
+	if (! $pid) {
+		IkiWiki::loadindex();
+		# Aggregation happens without the main wiki lock
+		# being held. This allows editing pages etc while
+		# aggregation is running.
+		aggregate(@feeds);
+
+		IkiWiki::lockwiki;
+		# Merge changes, since aggregation state may have
+		# changed on disk while the aggregation was happening.
+		mergestate();
+		expire();
+		savestate();
+		IkiWiki::unlockwiki;
+		exit 0;
+	}
+	waitpid($pid,0);
+	if ($?) {
+		error "aggregation failed with code $?";
+	}
+
+	clearstate();
+	unlockaggregate();
+
+	return 1;
+} #}}}
+
+#  Pages with extension _aggregated have plain html markup, pass through.
+sub htmlize (@) { #{{{
+	my %params=@_;
+	return $params{content};
+} #}}}
+
+# Used by ikiwiki-transition aggregateinternal.
+sub migrate_to_internal { #{{{
+	if (! lockaggregate()) {
+		error("an aggregation process is currently running");
+	}
 
-		clearstate();
-		unlockaggregate();
+	IkiWiki::lockwiki();
+	loadstate();
+	$config{verbose}=1;
+
+	foreach my $data (values %guids) {
+		next unless $data->{page};
+		next if $data->{expired};
+		
+		$config{aggregateinternal} = 0;
+		my $oldname = "$config{srcdir}/".htmlfn($data->{page});
+		my $oldoutput = $config{destdir}."/".IkiWiki::htmlpage($data->{page});
+		
+		$config{aggregateinternal} = 1;
+		my $newname = "$config{srcdir}/".htmlfn($data->{page});
+		
+		debug "moving $oldname -> $newname";
+		if (-e $newname) {
+			if (-e $oldname) {
+				error("$newname already exists");
+			}
+			else {
+				debug("already renamed to $newname?");
+			}
+		}
+		elsif (-e $oldname) {
+			rename($oldname, $newname) || error("$!");
+		}
+		else {
+			debug("$oldname not found");
+		}
+		if (-e $oldoutput) {
+			require IkiWiki::Render;
+			debug("removing output file $oldoutput");
+			IkiWiki::prune($oldoutput);
+		}
 	}
+	
+	savestate();
+	IkiWiki::unlockwiki;
+	
+	unlockaggregate();
 } #}}}
 
 sub needsbuild (@) { #{{{
@@ -98,7 +213,7 @@ sub preprocess (@) { #{{{
 
 	foreach my $required (qw{name url}) {
 		if (! exists $params{$required}) {
-			return "[[aggregate ".sprintf(gettext("missing %s parameter"), $required)."]]";
+			error sprintf(gettext("missing %s parameter"), $required)
 		}
 	}
 
@@ -113,7 +228,7 @@ sub preprocess (@) { #{{{
 	$feed->{name}=$name;
 	$feed->{sourcepage}=$params{page};
 	$feed->{url}=$params{url};
-	my $dir=exists $params{dir} ? $params{dir} : $params{page}."/".IkiWiki::titlepage($params{name});
+	my $dir=exists $params{dir} ? $params{dir} : $params{page}."/".titlepage($params{name});
 	$dir=~s/^\/+//;
 	($dir)=$dir=~/$config{wiki_file_regexp}/;
 	$feed->{dir}=$dir;
@@ -121,6 +236,13 @@ sub preprocess (@) { #{{{
 	$feed->{updateinterval}=defined $params{updateinterval} ? $params{updateinterval} * 60 : 15 * 60;
 	$feed->{expireage}=defined $params{expireage} ? $params{expireage} : 0;
 	$feed->{expirecount}=defined $params{expirecount} ? $params{expirecount} : 0;
+        if (exists $params{template}) {
+                $params{template}=~s/[^-_a-zA-Z0-9]+//g;
+        }
+        else {
+                $params{template} = "aggregatepost"
+        }
+	$feed->{template}=$params{template} . ".tmpl";
 	delete $feed->{unseen};
 	$feed->{lastupdate}=0 unless defined $feed->{lastupdate};
 	$feed->{numposts}=0 unless defined $feed->{numposts};
@@ -206,8 +328,6 @@ sub loadstate () { #{{{
 sub savestate () { #{{{
 	return unless $state_loaded;
 	garbage_collect();
-	eval q{use HTML::Entities};
-	error($@) if $@;
 	my $newfile="$config{wikistatedir}/aggregate.new";
 	my $cleanup = sub { unlink($newfile) };
 	open (OUT, ">$newfile") || error("open $newfile: $!", $cleanup);
@@ -244,13 +364,13 @@ sub garbage_collect () { #{{{
 	foreach my $guid (values %guids) {
 		# any guid whose feed is gone should be removed
 		if (! exists $feeds{$guid->{feed}}) {
-			unlink pagefile($guid->{page})
+			unlink "$config{srcdir}/".htmlfn($guid->{page})
 				if exists $guid->{page};
 			delete $guids{$guid->{guid}};
 		}
 		# handle expired guids
 		elsif ($guid->{expired} && exists $guid->{page}) {
-			unlink pagefile($guid->{page});
+			unlink "$config{srcdir}/".htmlfn($guid->{page});
 			delete $guid->{page};
 			delete $guid->{md5};
 		}
@@ -300,11 +420,11 @@ sub expire () { #{{{
 		next unless $feed->{expireage} || $feed->{expirecount};
 		my $count=0;
 		my %seen;
-		foreach my $item (sort { $IkiWiki::pagectime{$b->{page}} <=> $IkiWiki::pagectime{$a->{page}} }
-		                  grep { exists $_->{page} && $_->{feed} eq $feed->{name} && $IkiWiki::pagectime{$_->{page}} }
+		foreach my $item (sort { ($IkiWiki::pagectime{$b->{page}} || 0) <=> ($IkiWiki::pagectime{$a->{page}} || 0) }
+		                  grep { exists $_->{page} && $_->{feed} eq $feed->{name} }
 		                  values %guids) {
 			if ($feed->{expireage}) {
-				my $days_old = (time - $IkiWiki::pagectime{$item->{page}}) / 60 / 60 / 24;
+				my $days_old = (time - ($IkiWiki::pagectime{$item->{page}} || 0)) / 60 / 60 / 24;
 				if ($days_old > $feed->{expireage}) {
 					debug(sprintf(gettext("expiring %s (%s days old)"),
 						$item->{page}, int($days_old)));
@@ -336,13 +456,11 @@ sub aggregate (@) { #{{{
 	error($@) if $@;
 	eval q{use URI::Fetch};
 	error($@) if $@;
-	eval q{use HTML::Entities};
-	error($@) if $@;
 
 	foreach my $feed (@_) {
 		$feed->{lastupdate}=time;
 		$feed->{newposts}=0;
-		$feed->{message}=sprintf(gettext("processed ok at %s"),
+		$feed->{message}=sprintf(gettext("last checked %s"),
 			displaytime($feed->{lastupdate}));
 		$feed->{error}=0;
 
@@ -378,14 +496,14 @@ 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);
+			$content=Encode::decode_utf8($content, 0);
 			$f=eval{XML::Feed->parse(\$content)};
 		}
 		if ($@) {
 			# 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);
+			$content=Encode::decode_utf8($content, 0);
 			$f=eval{XML::Feed->parse(\$content)};
 		}
 		if ($@) {
@@ -402,13 +520,19 @@ sub aggregate (@) { #{{{
 		}
 
 		foreach my $entry ($f->entries) {
+			my $content=$content=$entry->content->body;
+			# atom feeds may have no content, only a summary
+			if (! defined $content && ref $entry->summary) {
+				$content=$entry->summary->body;
+			}
+
 			add_page(
 				feed => $feed,
 				copyright => $f->copyright,
 				title => defined $entry->title ? decode_entities($entry->title) : "untitled",
 				link => $entry->link,
-				content => defined $entry->content->body ? $entry->content->body : "",
-				guid => defined $entry->id ? $entry->id : time."_".$feed->name,
+				content => defined $content ? $content : "",
+				guid => defined $entry->id ? $entry->id : time."_".$feed->{name},
 				ctime => $entry->issued ? ($entry->issued->epoch || time) : time,
 			);
 		}
@@ -435,7 +559,7 @@ sub add_page (@) { #{{{
 		$feed->{newposts}++;
 
 		# assign it an unused page
-		my $page=IkiWiki::titlepage($params{title});
+		my $page=titlepage($params{title});
 		# escape slashes and periods in title so it doesn't specify
 		# directory name or trigger ".." disallowing code.
 		$page=~s!([/.])!"__".ord($1)."__"!eg;
@@ -446,7 +570,7 @@ sub add_page (@) { #{{{
 		}
 		my $c="";
 		while (exists $IkiWiki::pagecase{lc $page.$c} ||
-		       -e pagefile($page.$c)) {
+		       -e "$config{srcdir}/".htmlfn($page.$c)) {
 			$c++
 		}
 
@@ -457,7 +581,7 @@ sub add_page (@) { #{{{
 			$c="";
 			$page=$feed->{dir}."/item";
 			while (exists $IkiWiki::pagecase{lc $page.$c} ||
-			       -e pagefile($page.$c)) {
+			       -e "$config{srcdir}/".htmlfn($page.$c)) {
 				$c++
 			}
 		}
@@ -478,7 +602,7 @@ sub add_page (@) { #{{{
 	$guid->{md5}=$digest;
 
 	# Create the page.
-	my $template=template("aggregatepost.tmpl", blind_cache => 1);
+	my $template=template($feed->{template}, blind_cache => 1);
 	$template->param(title => $params{title})
 		if defined $params{title} && length($params{title});
 	$template->param(content => htmlescape(htmlabs($params{content}, $feed->{feedurl})));
@@ -494,10 +618,17 @@ sub add_page (@) { #{{{
 	writefile(htmlfn($guid->{page}), $config{srcdir},
 		$template->output);
 
-	# Set the mtime, this lets the build process get the right creation
-	# time on record for the new page.
-	utime $mtime, $mtime, pagefile($guid->{page})
-		if defined $mtime && $mtime <= time;
+	if (defined $mtime && $mtime <= time) {
+		# Set the mtime, this lets the build process get the right
+		# 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;
+	}
+	else {
+		# Dummy value for expiry code.
+		$IkiWiki::pagectime{$guid->{page}}=time;
+	}
 } #}}}
 
 sub htmlescape ($) { #{{{
@@ -552,14 +683,8 @@ sub htmlabs ($$) { #{{{
 	return $ret;
 } #}}}
 
-sub pagefile ($) { #{{{
-	my $page=shift;
-
-	return "$config{srcdir}/".htmlfn($page);
-} #}}}
-
 sub htmlfn ($) { #{{{
-	return shift().".".$config{htmlext};
+	return shift().".".($config{aggregateinternal} ? "_aggregated" : $config{htmlext});
 } #}}}
 
 my $aggregatelock;