#!/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};
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 $@;
Getopt::Long::Configure('pass_through');
- GetOptions("aggregate" => \$config{aggregate});
+ GetOptions(
+ "aggregate" => \$config{aggregate},
+ "aggregateinternal!" => \$config{aggregateinternal},
+ );
+} #}}}
+
+sub getsetup () { #{{{
+ return
+ aggregateinternal => {
+ type => "boolean",
+ example => 0,
+ description => "enable aggregation to internal pages?",
+ safe => 0, # enabling needs manual transition
+ rebuild => 0,
+ },
+ aggregate_webtrigger => {
+ type => "boolean",
+ example => 0,
+ description => "allow aggregation to be triggered via the web?",
+ safe => 1,
+ rebuild => 0,
+ },
} #}}}
sub checkconfig () { #{{{
if ($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;
+ }
+} #}}}
- clearstate();
- unlockaggregate();
+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");
+ }
+
+ IkiWiki::lockwiki();
+ loadstate();
+ $config{verbose}=1;
+
+ foreach my $data (values %guids) {
+ next unless $data->{page};
+ next if $data->{expired};
+
+ $config{aggregateinternal} = 0;
+ my $oldname = pagefile($data->{page});
+ my $oldoutput = $config{destdir}."/".IkiWiki::htmlpage($data->{page});
+
+ $config{aggregateinternal} = 1;
+ my $newname = pagefile($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 (@) { #{{{
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)
}
}
$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};
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: $!", $cleanup);
error($@) if $@;
eval q{use URI::Fetch};
error($@) if $@;
- eval q{use HTML::Entities};
- error($@) if $@;
foreach my $feed (@_) {
$feed->{lastupdate}=time;
# 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+);/&$1;/g;
- $content=Encode::decode_utf8($content);
+ $content=Encode::decode_utf8($content, 0);
$f=eval{XML::Feed->parse(\$content)};
}
if ($@) {
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,
+ guid => defined $entry->id ? $entry->id : time."_".$feed->{name},
ctime => $entry->issued ? ($entry->issued->epoch || time) : time,
);
}
$guid->{md5}=$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}, $feed->{feedurl})));
} #}}}
sub htmlfn ($) { #{{{
- return shift().".".$config{htmlext};
+ return shift().".".($config{aggregateinternal} ? "_aggregated" : $config{htmlext});
} #}}}
my $aggregatelock;