use warnings;
use strict;
use IkiWiki 2.00;
+use Encode;
+use POSIX qw(strftime);
use constant PREVIEW => "Preview";
use constant POST_COMMENT => "Post comment";
use constant CANCEL => "Cancel";
-sub import { #{{{
+my $postcomment;
+
+sub import {
+ hook(type => "checkconfig", id => 'comments', call => \&checkconfig);
hook(type => "getsetup", id => 'comments', call => \&getsetup);
- hook(type => "preprocess", id => 'comments', call => \&preprocess);
+ hook(type => "preprocess", id => '_comment', call => \&preprocess);
hook(type => "sessioncgi", id => 'comment', call => \&sessioncgi);
hook(type => "htmlize", id => "_comment", call => \&htmlize);
+ hook(type => "pagetemplate", id => "comments", call => \&pagetemplate);
+ hook(type => "cgi", id => "comments", call => \&linkcgi);
IkiWiki::loadplugin("inline");
- IkiWiki::loadplugin("mdwn");
-} # }}}
-
-sub htmlize { # {{{
- eval q{use IkiWiki::Plugin::mdwn};
- error($@) if ($@);
- return IkiWiki::Plugin::mdwn::htmlize(@_)
-} # }}}
+}
-sub getsetup () { #{{{
+sub getsetup () {
return
plugin => {
safe => 1,
+ rebuild => 1,
+ },
+ # Pages where comments are shown, but new comments are not
+ # allowed, will show "Comments are closed".
+ comments_shown_pagespec => {
+ type => 'pagespec',
+ example => 'blog/*',
+ description => 'PageSpec for pages where comments will be shown inline',
+ link => 'ikiwiki/PageSpec',
+ safe => 1,
+ rebuild => 1,
+ },
+ comments_open_pagespec => {
+ type => 'pagespec',
+ example => 'blog/* and created_after(close_old_comments)',
+ description => 'PageSpec for pages where new comments can be posted',
+ link => 'ikiwiki/PageSpec',
+ safe => 1,
+ rebuild => 1,
+ },
+ comments_pagename => {
+ type => 'string',
+ default => 'comment_',
+ description => 'Base name for comments, e.g. "comment_" for pages like "sandbox/comment_12"',
+ safe => 0, # manual page moving required
rebuild => undef,
},
-} #}}}
+ comments_allowdirectives => {
+ type => 'boolean',
+ example => 0,
+ description => 'Interpret directives in comments?',
+ safe => 1,
+ rebuild => 0,
+ },
+ comments_allowauthor => {
+ type => 'boolean',
+ example => 0,
+ description => 'Allow anonymous commenters to set an author name?',
+ safe => 1,
+ rebuild => 0,
+ },
+ comments_commit => {
+ type => 'boolean',
+ example => 1,
+ description => 'commit comments to the VCS',
+ # old uncommitted comments are likely to cause
+ # confusion if this is changed
+ safe => 0,
+ rebuild => 0,
+ },
+}
+
+sub checkconfig () {
+ $config{comments_commit} = 1
+ unless defined $config{comments_commit};
+ $config{comments_shown_pagespec} = ''
+ unless defined $config{comments_shown_pagespec};
+ $config{comments_open_pagespec} = ''
+ unless defined $config{comments_open_pagespec};
+ $config{comments_pagename} = 'comment_'
+ unless defined $config{comments_pagename};
+}
-# Somewhat based on IkiWiki::Plugin::inline blog posting support
-sub preprocess (@) { #{{{
- my %params=@_;
+sub htmlize {
+ my %params = @_;
+ return $params{content};
+}
- unless (length $config{cgiurl}) {
- error(gettext("[[!comments plugin requires CGI enabled]]"));
+# FIXME: copied verbatim from meta
+sub safeurl ($) {
+ my $url=shift;
+ if (exists $IkiWiki::Plugin::htmlscrubber::{safe_url_regexp} &&
+ defined $IkiWiki::Plugin::htmlscrubber::safe_url_regexp) {
+ return $url=~/$IkiWiki::Plugin::htmlscrubber::safe_url_regexp/;
}
+ else {
+ return 1;
+ }
+}
+sub preprocess {
+ my %params = @_;
my $page = $params{page};
- $pagestate{$page}{comments}{comments} = defined $params{closed}
- ? (not IkiWiki::yesno($params{closed}))
- : 1;
- $pagestate{$page}{comments}{allowdirectives} = IkiWiki::yesno($params{allowdirectives});
- $pagestate{$page}{comments}{commit} = defined $params{commit}
- ? IkiWiki::yesno($params{commit})
- : 1;
-
- my $formtemplate = IkiWiki::template("comments_embed.tmpl",
- blind_cache => 1);
- $formtemplate->param(cgiurl => $config{cgiurl});
- $formtemplate->param(page => $params{page});
-
- if (not $pagestate{$page}{comments}{comments}) {
- $formtemplate->param("disabled" =>
- gettext('comments are closed'));
- }
- elsif ($params{preview}) {
- $formtemplate->param("disabled" =>
- gettext('not available during Preview'));
- }
-
- debug("page $params{page} => destpage $params{destpage}");
-
- unless (defined $params{inline} && !IkiWiki::yesno($params{inline})) {
- my $posts = '';
- eval q{use IkiWiki::Plugin::inline};
- error($@) if ($@);
- my @args = (
- pages => "internal($params{page}/_comment_*)",
- template => "comments_display",
- show => 0,
- reverse => "yes",
- # special stuff passed through
- page => $params{page},
+
+ my $format = $params{format};
+ if (defined $format && ! exists $IkiWiki::hooks{htmlize}{$format}) {
+ error(sprintf(gettext("unsupported page format %s"), $format));
+ }
+
+ my $content = $params{content};
+ if (! defined $content) {
+ error(gettext("comment must have content"));
+ }
+ $content =~ s/\\"/"/g;
+
+ $content = IkiWiki::filter($page, $params{destpage}, $content);
+
+ if ($config{comments_allowdirectives}) {
+ $content = IkiWiki::preprocess($page, $params{destpage},
+ $content);
+ }
+
+ # no need to bother with htmlize if it's just HTML
+ $content = IkiWiki::htmlize($page, $params{destpage}, $format,
+ $content) if defined $format;
+
+ IkiWiki::run_hooks(sanitize => sub {
+ $content = shift->(
+ page => $page,
destpage => $params{destpage},
- preview => $params{preview},
+ content => $content,
);
- push @args, atom => $params{atom} if defined $params{atom};
- push @args, rss => $params{rss} if defined $params{rss};
- push @args, feeds => $params{feeds} if defined $params{feeds};
- push @args, feedshow => $params{feedshow} if defined $params{feedshow};
- push @args, timeformat => $params{timeformat} if defined $params{timeformat};
- push @args, feedonly => $params{feedonly} if defined $params{feedonly};
- $posts = IkiWiki::preprocess_inline(@args);
- $formtemplate->param("comments" => $posts);
- }
-
- return $formtemplate->output;
-} # }}}
-
-# FIXME: logic taken from editpage, should be common code?
-sub getcgiuser ($) { # {{{
- my $session = shift;
- my $user = $session->param('name');
- $user = $ENV{REMOTE_ADDR} unless defined $user;
- debug("getcgiuser() -> $user");
- return $user;
-} # }}}
-
-# FIXME: logic adapted from recentchanges, should be common code?
-sub linkuser ($) { # {{{
+ });
+
+ # set metadata, possibly overriding [[!meta]] directives from the
+ # comment itself
+
+ my $commentuser;
+ my $commentip;
+ my $commentauthor;
+ my $commentauthorurl;
+
+ if (defined $params{username}) {
+ $commentuser = $params{username};
+ ($commentauthorurl, $commentauthor) =
+ linkuser($params{username});
+ }
+ else {
+ if (defined $params{ip}) {
+ $commentip = $params{ip};
+ }
+ $commentauthor = gettext("Anonymous");
+ }
+
+ $pagestate{$page}{comments}{commentuser} = $commentuser;
+ $pagestate{$page}{comments}{commentip} = $commentip;
+ $pagestate{$page}{comments}{commentauthor} = $commentauthor;
+ $pagestate{$page}{comments}{commentauthorurl} = $commentauthorurl;
+ if (! defined $pagestate{$page}{meta}{author}) {
+ $pagestate{$page}{meta}{author} = $commentauthor;
+ }
+ if (! defined $pagestate{$page}{meta}{authorurl}) {
+ $pagestate{$page}{meta}{authorurl} = $commentauthorurl;
+ }
+
+ if ($config{comments_allowauthor}) {
+ if (defined $params{claimedauthor}) {
+ $pagestate{$page}{meta}{author} = $params{claimedauthor};
+ }
+
+ if (defined $params{url} and safeurl($params{url})) {
+ $pagestate{$page}{meta}{authorurl} = $params{url};
+ }
+ }
+ else {
+ $pagestate{$page}{meta}{author} = $commentauthor;
+ $pagestate{$page}{meta}{authorurl} = $commentauthorurl;
+ }
+
+ if (defined $params{subject}) {
+ $pagestate{$page}{meta}{title} = $params{subject};
+ }
+
+ my $baseurl = urlto($params{destpage}, undef, 1);
+ my $anchor = "";
+ if ($params{page} =~ m/\/(\Q$config{comments_pagename}\E\d+)$/) {
+ $anchor = $1;
+ }
+ $pagestate{$page}{meta}{permalink} = "${baseurl}#${anchor}";
+
+ eval q{use Date::Parse};
+ if (! $@) {
+ my $time = str2time($params{date});
+ $IkiWiki::pagectime{$page} = $time if defined $time;
+ }
+
+ # FIXME: hard-coded HTML (although it's just to set an ID)
+ return "<div id=\"$anchor\">$content</div>" if $anchor;
+ return $content;
+}
+
+# This is exactly the same as recentchanges_link :-(
+sub linkcgi ($) {
+ my $cgi=shift;
+ if (defined $cgi->param('do') && $cgi->param('do') eq "commenter") {
+
+ my $page=decode_utf8($cgi->param("page"));
+ if (! defined $page) {
+ error("missing page parameter");
+ }
+
+ IkiWiki::loadindex();
+
+ my $link=bestlink("", $page);
+ if (! length $link) {
+ print "Content-type: text/html\n\n";
+ print IkiWiki::misctemplate(gettext(gettext("missing page")),
+ "<p>".
+ sprintf(gettext("The page %s does not exist."),
+ htmllink("", "", $page)).
+ "</p>");
+ }
+ else {
+ IkiWiki::redirect($cgi, urlto($link, undef, 1));
+ }
+
+ exit;
+ }
+}
+
+# FIXME: basically the same logic as recentchanges
+# returns (author URL, pretty-printed version)
+sub linkuser ($) {
my $user = shift;
my $oiduser = eval { IkiWiki::openiduser($user) };
if (defined $oiduser) {
return ($user, $oiduser);
}
+ # FIXME: it'd be good to avoid having such a link for anonymous
+ # posts
else {
- my $page = bestlink('', (length $config{userdir}
- ? "$config{userdir}/"
- : "").$user);
- return (urlto($page, undef, 1), $user);
+ return (IkiWiki::cgiurl(
+ do => 'commenter',
+ page => (length $config{userdir}
+ ? "$config{userdir}/$user"
+ : "$user")
+ ), $user);
}
-} # }}}
+}
# Mostly cargo-culted from IkiWiki::plugin::editpage
-sub sessioncgi ($$) { #{{{
+sub sessioncgi ($$) {
my $cgi=shift;
my $session=shift;
my @buttons = (POST_COMMENT, PREVIEW, CANCEL);
my $form = CGI::FormBuilder->new(
- fields => [qw{do sid page subject body}],
+ fields => [qw{do sid page subject editcontent type author url}],
charset => 'utf-8',
method => 'POST',
- required => [qw{body}],
+ required => [qw{editcontent}],
javascript => 0,
params => $cgi,
action => $config{cgiurl},
});
IkiWiki::decode_form_utf8($form);
+ my $type = $form->param('type');
+ if (defined $type && length $type && $IkiWiki::hooks{htmlize}{$type}) {
+ $type = IkiWiki::possibly_foolish_untaint($type);
+ }
+ else {
+ $type = $config{default_pageext};
+ }
+ my @page_types;
+ if (exists $IkiWiki::hooks{htmlize}) {
+ @page_types = grep { ! /^_/ } keys %{$IkiWiki::hooks{htmlize}};
+ }
+
$form->field(name => 'do', type => 'hidden');
$form->field(name => 'sid', type => 'hidden', value => $session->id,
force => 1);
$form->field(name => 'page', type => 'hidden');
$form->field(name => 'subject', type => 'text', size => 72);
- $form->field(name => 'body', type => 'textarea', rows => 5,
- cols => 80);
+ $form->field(name => 'editcontent', type => 'textarea', rows => 10);
+ $form->field(name => "type", value => $type, force => 1,
+ type => 'select', options => \@page_types);
+
+ $form->tmpl_param(username => $session->param('name'));
+
+ if ($config{comments_allowauthor} and
+ ! defined $session->param('name')) {
+ $form->tmpl_param(allowauthor => 1);
+ $form->field(name => 'author', type => 'text', size => '40');
+ $form->field(name => 'url', type => 'text', size => '40');
+ }
+ else {
+ $form->tmpl_param(allowauthor => 0);
+ $form->field(name => 'author', type => 'hidden', value => '',
+ force => 1);
+ $form->field(name => 'url', type => 'hidden', value => '',
+ force => 1);
+ }
# The untaint is OK (as in editpage) because we're about to pass
# it to file_pruned anyway
my $page = $form->field('page');
$page = IkiWiki::possibly_foolish_untaint($page);
- if (!defined $page || !length $page ||
+ if (! defined $page || ! length $page ||
IkiWiki::file_pruned($page, $config{srcdir})) {
error(gettext("bad page name"));
}
- my $allow_directives = $pagestate{$page}{comments}{allowdirectives};
- my $commit_comments = defined $pagestate{$page}{comments}{commit}
- ? $pagestate{$page}{comments}{commit}
- : 1;
-
# FIXME: is this right? Or should we be using the candidate subpage
# (whatever that might mean) as the base URL?
my $baseurl = urlto($page, undef, 1);
htmllink($page, $page, 'ikiwiki/formatting',
noimageinline => 1,
linktext => 'FormattingHelp'),
- allowdirectives => $allow_directives);
+ allowdirectives => $config{allow_directives});
+
+ if ($form->submitted eq CANCEL) {
+ # bounce back to the page they wanted to comment on, and exit.
+ # CANCEL need not be considered in future
+ IkiWiki::redirect($cgi, urlto($page, undef, 1));
+ exit;
+ }
if (not exists $pagesources{$page}) {
error(sprintf(gettext(
"page '%s' doesn't exist, so you can't comment"),
$page));
}
- if (not $pagestate{$page}{comments}{comments}) {
+
+ if (not pagespec_match($page, $config{comments_open_pagespec},
+ location => $page)) {
error(sprintf(gettext(
- "comments are not enabled on page '%s'"),
+ "comments on page '%s' are closed"),
$page));
}
- if ($form->submitted eq CANCEL) {
- # bounce back to the page they wanted to comment on, and exit.
- # CANCEL need not be considered in future
- IkiWiki::redirect($cgi, urlto($page, undef, 1));
- exit;
+ # Set a flag to indicate that we're posting a comment,
+ # so that postcomment() can tell it should match.
+ $postcomment=1;
+ IkiWiki::check_canedit($page, $cgi, $session);
+ $postcomment=0;
+
+ # FIXME: rather a simplistic way to make the comments...
+ my $i = 0;
+ my $file;
+ my $location;
+ do {
+ $i++;
+ $location = "$page/$config{comments_pagename}$i";
+ } while (-e "$config{srcdir}/$location._comment");
+
+ my $content = "[[!_comment format=$type\n";
+
+ # FIXME: handling of double quotes probably wrong?
+ if (defined $session->param('name')) {
+ my $username = $session->param('name');
+ $username =~ s/"/"/g;
+ $content .= " username=\"$username\"\n";
+ }
+ elsif (defined $ENV{REMOTE_ADDR}) {
+ my $ip = $ENV{REMOTE_ADDR};
+ if ($ip =~ m/^([.0-9]+)$/) {
+ $content .= " ip=\"$1\"\n";
+ }
}
- IkiWiki::check_canedit($page . "[postcomment]", $cgi, $session);
-
- my ($authorurl, $author) = linkuser(getcgiuser($session));
-
- my $body = $form->field('body') || '';
- $body =~ s/\r\n/\n/g;
- $body =~ s/\r/\n/g;
- $body .= "\n" if $body !~ /\n$/;
-
- unless ($allow_directives) {
- # don't allow new-style directives at all
- $body =~ s/(^|[^\\])\[\[!/$1[[!/g;
-
- # don't allow [[ unless it begins an old-style
- # wikilink, if prefix_directives is off
- $body =~ s/(^|[^\\])\[\[(?![^\n\s\]+]\]\])/$1[[!/g
- unless $config{prefix_directives};
+ if ($config{comments_allowauthor}) {
+ my $author = $form->field('author');
+ if (length $author) {
+ $author =~ s/"/"/g;
+ $content .= " claimedauthor=\"$author\"\n";
+ }
+ my $url = $form->field('url');
+ if (length $url) {
+ $url =~ s/"/"/g;
+ $content .= " url=\"$url\"\n";
+ }
}
- IkiWiki::run_hooks(sanitize => sub {
- # $fake is a possible location for this comment. We don't
- # know yet what the comment number *actually* is.
- my $fake = "$page/_comment_1";
- $body=shift->(
- page => $fake,
- destpage => $fake,
- content => $body,
- );
- });
+ my $subject = $form->field('subject');
+ if (length $subject) {
+ $subject =~ s/"/"/g;
+ $content .= " subject=\"$subject\"\n";
+ }
- # In this template, the [[!meta]] directives should stay at the end,
- # so that they will override anything the user specifies. (For
- # instance, [[!meta author="I can fake the author"]]...)
- my $content_tmpl = template('comments_comment.tmpl');
- $content_tmpl->param(author => $author);
- $content_tmpl->param(authorurl => $authorurl);
- $content_tmpl->param(subject => $form->field('subject'));
- $content_tmpl->param(body => $body);
+ $content .= " date=\"" . decode_utf8(strftime('%Y-%m-%dT%H:%M:%SZ', gmtime)) . "\"\n";
- my $content = $content_tmpl->output;
+ my $editcontent = $form->field('editcontent') || '';
+ $editcontent =~ s/\r\n/\n/g;
+ $editcontent =~ s/\r/\n/g;
+ $editcontent =~ s/"/\\"/g;
+ $content .= " content=\"\"\"\n$editcontent\n\"\"\"]]\n";
# This is essentially a simplified version of editpage:
# - the user does not control the page that's created, only the parent
# - this means that if they do, rocks fall and everyone dies
if ($form->submitted eq PREVIEW) {
- # $fake is a possible location for this comment. We don't
- # know yet what the comment number *actually* is.
- my $fake = "$page/_comment_1";
- my $preview = IkiWiki::htmlize($fake, $page, 'mdwn',
+ my $preview = IkiWiki::htmlize($location, $page, '_comment',
IkiWiki::linkify($page, $page,
IkiWiki::preprocess($page, $page,
- IkiWiki::filter($fake, $page,
- $content),
+ IkiWiki::filter($location,
+ $page, $content),
0, 1)));
IkiWiki::run_hooks(format => sub {
$preview = shift->(page => $page,
$template->param(content => $preview);
$template->param(title => $form->field('subject'));
$template->param(ctime => displaytime(time));
- $template->param(author => $author);
- $template->param(authorurl => $authorurl);
$form->tmpl_param(page_preview => $template->output);
}
}
if ($form->submitted eq POST_COMMENT && $form->validate) {
- # Let's get posting. We don't check_canedit here because
- # that somewhat defeats the point of this plugin.
+ my $file = "$location._comment";
- IkiWiki::checksessionexpiry($session, $cgi->param('sid'));
-
- # FIXME: check that the wiki is locked right now, because
- # if it's not, there are mad race conditions!
-
- # FIXME: rather a simplistic way to make the comments...
- my $i = 0;
- my $file;
- do {
- $i++;
- $file = "$page/_comment_${i}._comment";
- } while (-e "$config{srcdir}/$file");
+ IkiWiki::checksessionexpiry($cgi, $session);
# FIXME: could probably do some sort of graceful retry
- # if I could be bothered
+ # on error? Would require significant unwinding though
writefile($file, $config{srcdir}, $content);
my $conflict;
- if ($config{rcs} and $commit_comments) {
+ if ($config{rcs} and $config{comments_commit}) {
my $message = gettext("Added a comment");
if (defined $form->field('subject') &&
length $form->field('subject')) {
- $message .= ": ".$form->field('subject');
+ $message = sprintf(
+ gettext("Added a comment: %s"),
+ $form->field('subject'));
}
IkiWiki::rcs_add($file);
error($conflict) if defined $conflict;
# Bounce back to where we were, but defeat broken caches
- my $anticache = "?updated=$page/_comment_$i";
+ my $anticache = "?updated=$page/$config{comments_pagename}$i";
IkiWiki::redirect($cgi, urlto($page, undef, 1).$anticache);
}
else {
}
exit;
-} #}}}
+}
+
+sub pagetemplate (@) {
+ my %params = @_;
+
+ my $page = $params{page};
+ my $template = $params{template};
+
+ if ($template->query(name => 'comments')) {
+ my $comments = undef;
+
+ my $open = 0;
+ my $shown = pagespec_match($page,
+ $config{comments_shown_pagespec},
+ location => $page);
+
+ if (pagespec_match($page, "*/$config{comments_pagename}*",
+ location => $page)) {
+ $shown = 0;
+ $open = 0;
+ }
+
+ if (length $config{cgiurl}) {
+ $open = pagespec_match($page,
+ $config{comments_open_pagespec},
+ location => $page);
+ }
+
+ if ($shown) {
+ $comments = IkiWiki::preprocess_inline(
+ pages => "internal($page/$config{comments_pagename}*)",
+ template => 'comments_display',
+ show => 0,
+ reverse => 'yes',
+ page => $page,
+ destpage => $params{destpage},
+ feedfile => 'comments',
+ emptyfeeds => 'no',
+ );
+ }
+
+ if (defined $comments && length $comments) {
+ $template->param(comments => $comments);
+ }
+
+ if ($open) {
+ my $commenturl = IkiWiki::cgiurl(do => 'comment',
+ page => $page);
+ $template->param(commenturl => $commenturl);
+ }
+ }
+
+ if ($template->query(name => 'commentuser')) {
+ $template->param(commentuser =>
+ $pagestate{$page}{comments}{commentuser});
+ }
+
+ if ($template->query(name => 'commentip')) {
+ $template->param(commentip =>
+ $pagestate{$page}{comments}{commentip});
+ }
+
+ if ($template->query(name => 'commentauthor')) {
+ $template->param(commentauthor =>
+ $pagestate{$page}{comments}{commentauthor});
+ }
+
+ if ($template->query(name => 'commentauthorurl')) {
+ $template->param(commentauthorurl =>
+ $pagestate{$page}{comments}{commentauthorurl});
+ }
+}
package IkiWiki::PageSpec;
my $page = shift;
my $glob = shift;
- unless ($page =~ s/\[postcomment\]$//) {
+ if (! $postcomment) {
return IkiWiki::FailReason->new("not posting a comment");
}
return match_glob($page, $glob);