#!/usr/bin/perl
package IkiWiki;
use warnings;
use strict;
use Encode;
use URI::Escape q{uri_escape_utf8};
use POSIX ();
use Storable;
use open qw{:utf8 :std};
use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase
%pagestate %wikistate %renderedfiles %oldrenderedfiles
%pagesources %delpagesources %destsources %depends %depends_simple
@mass_depends %hooks %forcerebuild %loaded_plugins %typedlinks
%oldtypedlinks %autofiles};
use Exporter q{import};
our @EXPORT = qw(hook debug error htmlpage template template_depends
deptype add_depends pagespec_match pagespec_match_list bestlink
htmllink readfile writefile pagetype srcfile pagename
displaytime will_render gettext ngettext urlto targetpage
add_underlay pagetitle titlepage linkpage newpagefile
inject add_link add_autofile
%config %links %pagestate %wikistate %renderedfiles
%pagesources %destsources %typedlinks);
our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
our $installdir='/usr'; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE
# Page dependency types.
our $DEPEND_CONTENT=1;
our $DEPEND_PRESENCE=2;
our $DEPEND_LINKS=4;
# Optimisation.
use Memoize;
memoize("abs2rel");
memoize("sortspec_translate");
memoize("pagespec_translate");
memoize("template_file");
sub getsetup () {
wikiname => {
type => "string",
default => "wiki",
description => "name of the wiki",
safe => 1,
rebuild => 1,
},
adminemail => {
type => "string",
default => undef,
example => 'me@example.com',
description => "contact email for wiki",
safe => 1,
rebuild => 0,
},
adminuser => {
type => "string",
default => [],
description => "users who are wiki admins",
safe => 1,
rebuild => 0,
},
banned_users => {
type => "string",
default => [],
description => "users who are banned from the wiki",
safe => 1,
rebuild => 0,
},
srcdir => {
type => "string",
default => undef,
example => "$ENV{HOME}/wiki",
description => "where the source of the wiki is located",
safe => 0, # path
rebuild => 1,
},
destdir => {
type => "string",
default => undef,
example => "/var/www/wiki",
description => "where to build the wiki",
safe => 0, # path
rebuild => 1,
},
url => {
type => "string",
default => '',
example => "http://example.com/wiki",
description => "base url to the wiki",
safe => 1,
rebuild => 1,
},
cgiurl => {
type => "string",
default => '',
example => "http://example.com/wiki/ikiwiki.cgi",
description => "url to the ikiwiki.cgi",
safe => 1,
rebuild => 1,
},
cgi_wrapper => {
type => "string",
default => '',
example => "/var/www/wiki/ikiwiki.cgi",
description => "filename of cgi wrapper to generate",
safe => 0, # file
rebuild => 0,
},
cgi_wrappermode => {
type => "string",
default => '06755',
description => "mode for cgi_wrapper (can safely be made suid)",
safe => 0,
rebuild => 0,
},
rcs => {
type => "string",
default => '',
description => "rcs backend to use",
safe => 0, # don't allow overriding
rebuild => 0,
},
default_plugins => {
type => "internal",
default => [qw{mdwn link inline meta htmlscrubber passwordauth
openid signinedit lockedit conditional
recentchanges parentlinks editpage}],
description => "plugins to enable by default",
safe => 0,
rebuild => 1,
},
add_plugins => {
type => "string",
default => [],
description => "plugins to add to the default configuration",
safe => 1,
rebuild => 1,
},
disable_plugins => {
type => "string",
default => [],
description => "plugins to disable",
safe => 1,
rebuild => 1,
},
templatedir => {
type => "string",
default => "$installdir/share/ikiwiki/templates",
description => "additional directory to search for template files",
advanced => 1,
safe => 0, # path
rebuild => 1,
},
underlaydir => {
type => "string",
default => "$installdir/share/ikiwiki/basewiki",
description => "base wiki source location",
advanced => 1,
safe => 0, # path
rebuild => 0,
},
underlaydirbase => {
type => "internal",
default => "$installdir/share/ikiwiki",
description => "parent directory containing additional underlays",
safe => 0,
rebuild => 0,
},
wrappers => {
type => "internal",
default => [],
description => "wrappers to generate",
safe => 0,
rebuild => 0,
},
underlaydirs => {
type => "internal",
default => [],
description => "additional underlays to use",
safe => 0,
rebuild => 0,
},
verbose => {
type => "boolean",
example => 1,
description => "display verbose messages?",
safe => 1,
rebuild => 0,
},
syslog => {
type => "boolean",
example => 1,
description => "log to syslog?",
safe => 1,
rebuild => 0,
},
usedirs => {
type => "boolean",
default => 1,
description => "create output files named page/index.html?",
safe => 0, # changing requires manual transition
rebuild => 1,
},
prefix_directives => {
type => "boolean",
default => 1,
description => "use '!'-prefixed preprocessor directives?",
safe => 0, # changing requires manual transition
rebuild => 1,
},
indexpages => {
type => "boolean",
default => 0,
description => "use page/index.mdwn source files",
safe => 1,
rebuild => 1,
},
discussion => {
type => "boolean",
default => 1,
description => "enable Discussion pages?",
safe => 1,
rebuild => 1,
},
discussionpage => {
type => "string",
default => gettext("Discussion"),
description => "name of Discussion pages",
safe => 1,
rebuild => 1,
},
html5 => {
type => "boolean",
default => 0,
description => "generate HTML5? (experimental)",
advanced => 1,
safe => 1,
rebuild => 1,
},
sslcookie => {
type => "boolean",
default => 0,
description => "only send cookies over SSL connections?",
advanced => 1,
safe => 1,
rebuild => 0,
},
default_pageext => {
type => "string",
default => "mdwn",
description => "extension to use for new pages",
safe => 0, # not sanitized
rebuild => 0,
},
htmlext => {
type => "string",
default => "html",
description => "extension to use for html files",
safe => 0, # not sanitized
rebuild => 1,
},
timeformat => {
type => "string",
default => '%c',
description => "strftime format string to display date",
advanced => 1,
safe => 1,
rebuild => 1,
},
locale => {
type => "string",
default => undef,
example => "en_US.UTF-8",
description => "UTF-8 locale to use",
advanced => 1,
safe => 0,
rebuild => 1,
},
userdir => {
type => "string",
default => "",
example => "users",
description => "put user pages below specified page",
safe => 1,
rebuild => 1,
},
numbacklinks => {
type => "integer",
default => 10,
description => "how many backlinks to show before hiding excess (0 to show all)",
safe => 1,
rebuild => 1,
},
hardlink => {
type => "boolean",
default => 0,
description => "attempt to hardlink source files? (optimisation for large files)",
advanced => 1,
safe => 0, # paranoia
rebuild => 0,
},
umask => {
type => "integer",
example => "022",
description => "force ikiwiki to use a particular umask",
advanced => 1,
safe => 0, # paranoia
rebuild => 0,
},
wrappergroup => {
type => "string",
example => "ikiwiki",
description => "group for wrappers to run in",
advanced => 1,
safe => 0, # paranoia
rebuild => 0,
},
libdir => {
type => "string",
default => "",
example => "$ENV{HOME}/.ikiwiki/",
description => "extra library and plugin directory",
advanced => 1,
safe => 0, # directory
rebuild => 0,
},
ENV => {
type => "string",
default => {},
description => "environment variables",
safe => 0, # paranoia
rebuild => 0,
},
include => {
type => "string",
default => undef,
example => '^\.htaccess$',
description => "regexp of normally excluded files to include",
advanced => 1,
safe => 0, # regexp
rebuild => 1,
},
exclude => {
type => "string",
default => undef,
example => '^(*\.private|Makefile)$',
description => "regexp of files that should be skipped",
advanced => 1,
safe => 0, # regexp
rebuild => 1,
},
wiki_file_prune_regexps => {
type => "internal",
default => [qr/(^|\/)\.\.(\/|$)/, qr/^\//, qr/^\./, qr/\/\./,
qr/\.x?html?$/, qr/\.ikiwiki-new$/,
qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//,
qr/(^|\/)_MTN\//, qr/(^|\/)_darcs\//,
qr/(^|\/)CVS\//, qr/\.dpkg-tmp$/],
description => "regexps of source files to ignore",
safe => 0,
rebuild => 1,
},
wiki_file_chars => {
type => "string",
description => "specifies the characters that are allowed in source filenames",
default => "-[:alnum:]+/.:_",
safe => 0,
rebuild => 1,
},
wiki_file_regexp => {
type => "internal",
description => "regexp of legal source files",
safe => 0,
rebuild => 1,
},
web_commit_regexp => {
type => "internal",
default => qr/^web commit (by (.*?(?=: |$))|from ([0-9a-fA-F:.]+[0-9a-fA-F])):?(.*)/,
description => "regexp to parse web commits from logs",
safe => 0,
rebuild => 0,
},
cgi => {
type => "internal",
default => 0,
description => "run as a cgi",
safe => 0,
rebuild => 0,
},
cgi_disable_uploads => {
type => "internal",
default => 1,
description => "whether CGI should accept file uploads",
safe => 0,
rebuild => 0,
},
post_commit => {
type => "internal",
default => 0,
description => "run as a post-commit hook",
safe => 0,
rebuild => 0,
},
rebuild => {
type => "internal",
default => 0,
description => "running in rebuild mode",
safe => 0,
rebuild => 0,
},
setup => {
type => "internal",
default => undef,
description => "running in setup mode",
safe => 0,
rebuild => 0,
},
clean => {
type => "internal",
default => 0,
description => "running in clean mode",
safe => 0,
rebuild => 0,
},
refresh => {
type => "internal",
default => 0,
description => "running in refresh mode",
safe => 0,
rebuild => 0,
},
test_receive => {
type => "internal",
default => 0,
description => "running in receive test mode",
safe => 0,
rebuild => 0,
},
wrapper_background_command => {
type => "internal",
default => '',
description => "background shell command to run",
safe => 0,
rebuild => 0,
},
gettime => {
type => "internal",
description => "running in gettime mode",
safe => 0,
rebuild => 0,
},
w3mmode => {
type => "internal",
default => 0,
description => "running in w3mmode",
safe => 0,
rebuild => 0,
},
wikistatedir => {
type => "internal",
default => undef,
description => "path to the .ikiwiki directory holding ikiwiki state",
safe => 0,
rebuild => 0,
},
setupfile => {
type => "internal",
default => undef,
description => "path to setup file",
safe => 0,
rebuild => 0,
},
setuptype => {
type => "internal",
default => "Standard",
description => "perl class to use to dump setup file",
safe => 0,
rebuild => 0,
},
allow_symlinks_before_srcdir => {
type => "boolean",
default => 0,
description => "allow symlinks in the path leading to the srcdir (potentially insecure)",
safe => 0,
rebuild => 0,
},
}
sub defaultconfig () {
my %s=getsetup();
my @ret;
foreach my $key (keys %s) {
push @ret, $key, $s{$key}->{default};
}
use Data::Dumper;
return @ret;
}
sub checkconfig () {
# locale stuff; avoid LC_ALL since it overrides everything
if (defined $ENV{LC_ALL}) {
$ENV{LANG} = $ENV{LC_ALL};
delete $ENV{LC_ALL};
}
if (defined $config{locale}) {
if (POSIX::setlocale(&POSIX::LC_ALL, $config{locale})) {
$ENV{LANG}=$config{locale};
define_gettext();
}
}
if (! defined $config{wiki_file_regexp}) {
$config{wiki_file_regexp}=qr/(^[$config{wiki_file_chars}]+$)/;
}
if (ref $config{ENV} eq 'HASH') {
foreach my $val (keys %{$config{ENV}}) {
$ENV{$val}=$config{ENV}{$val};
}
}
if ($config{w3mmode}) {
eval q{use Cwd q{abs_path}};
error($@) if $@;
$config{srcdir}=possibly_foolish_untaint(abs_path($config{srcdir}));
$config{destdir}=possibly_foolish_untaint(abs_path($config{destdir}));
$config{cgiurl}="file:///\$LIB/ikiwiki-w3m.cgi/".$config{cgiurl}
unless $config{cgiurl} =~ m!file:///!;
$config{url}="file://".$config{destdir};
}
if ($config{cgi} && ! length $config{url}) {
error(gettext("Must specify url to wiki with --url when using --cgi"));
}
$config{wikistatedir}="$config{srcdir}/.ikiwiki"
unless exists $config{wikistatedir} && defined $config{wikistatedir};
if (defined $config{umask}) {
umask(possibly_foolish_untaint($config{umask}));
}
run_hooks(checkconfig => sub { shift->() });
return 1;
}
sub listplugins () {
my %ret;
foreach my $dir (@INC, $config{libdir}) {
next unless defined $dir && length $dir;
foreach my $file (glob("$dir/IkiWiki/Plugin/*.pm")) {
my ($plugin)=$file=~/.*\/(.*)\.pm$/;
$ret{$plugin}=1;
}
}
foreach my $dir ($config{libdir}, "$installdir/lib/ikiwiki") {
next unless defined $dir && length $dir;
foreach my $file (glob("$dir/plugins/*")) {
$ret{basename($file)}=1 if -x $file;
}
}
return keys %ret;
}
sub loadplugins () {
if (defined $config{libdir} && length $config{libdir}) {
unshift @INC, possibly_foolish_untaint($config{libdir});
}
foreach my $plugin (@{$config{default_plugins}}, @{$config{add_plugins}}) {
loadplugin($plugin);
}
if ($config{rcs}) {
if (exists $hooks{rcs}) {
error(gettext("cannot use multiple rcs plugins"));
}
loadplugin($config{rcs});
}
if (! exists $hooks{rcs}) {
loadplugin("norcs");
}
run_hooks(getopt => sub { shift->() });
if (grep /^-/, @ARGV) {
print STDERR "Unknown option (or missing parameter): $_\n"
foreach grep /^-/, @ARGV;
usage();
}
return 1;
}
sub loadplugin ($;$) {
my $plugin=shift;
my $force=shift;
return if ! $force && grep { $_ eq $plugin} @{$config{disable_plugins}};
foreach my $dir (defined $config{libdir} ? possibly_foolish_untaint($config{libdir}) : undef,
"$installdir/lib/ikiwiki") {
if (defined $dir && -x "$dir/plugins/$plugin") {
eval { require IkiWiki::Plugin::external };
if ($@) {
my $reason=$@;
error(sprintf(gettext("failed to load external plugin needed for %s plugin: %s"), $plugin, $reason));
}
import IkiWiki::Plugin::external "$dir/plugins/$plugin";
$loaded_plugins{$plugin}=1;
return 1;
}
}
my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin);
eval qq{use $mod};
if ($@) {
error("Failed to load plugin $mod: $@");
}
$loaded_plugins{$plugin}=1;
return 1;
}
sub error ($;$) {
my $message=shift;
my $cleaner=shift;
log_message('err' => $message) if $config{syslog};
if (defined $cleaner) {
$cleaner->();
}
die $message."\n";
}
sub debug ($) {
return unless $config{verbose};
return log_message(debug => @_);
}
my $log_open=0;
sub log_message ($$) {
my $type=shift;
if ($config{syslog}) {
require Sys::Syslog;
if (! $log_open) {
Sys::Syslog::setlogsock('unix');
Sys::Syslog::openlog('ikiwiki', '', 'user');
$log_open=1;
}
return eval {
Sys::Syslog::syslog($type, "[$config{wikiname}] %s", join(" ", @_));
};
}
elsif (! $config{cgi}) {
return print "@_\n";
}
else {
return print STDERR "@_\n";
}
}
sub possibly_foolish_untaint ($) {
my $tainted=shift;
my ($untainted)=$tainted=~/(.*)/s;
return $untainted;
}
sub basename ($) {
my $file=shift;
$file=~s!.*/+!!;
return $file;
}
sub dirname ($) {
my $file=shift;
$file=~s!/*[^/]+$!!;
return $file;
}
sub isinternal ($) {
my $page=shift;
return exists $pagesources{$page} &&
$pagesources{$page} =~ /\._([^.]+)$/;
}
sub pagetype ($) {
my $file=shift;
if ($file =~ /\.([^.]+)$/) {
return $1 if exists $hooks{htmlize}{$1};
}
my $base=basename($file);
if (exists $hooks{htmlize}{$base} &&
$hooks{htmlize}{$base}{noextension}) {
return $base;
}
return;
}
my %pagename_cache;
sub pagename ($) {
my $file=shift;
if (exists $pagename_cache{$file}) {
return $pagename_cache{$file};
}
my $type=pagetype($file);
my $page=$file;
$page=~s/\Q.$type\E*$//
if defined $type && !$hooks{htmlize}{$type}{keepextension}
&& !$hooks{htmlize}{$type}{noextension};
if ($config{indexpages} && $page=~/(.*)\/index$/) {
$page=$1;
}
$pagename_cache{$file} = $page;
return $page;
}
sub newpagefile ($$) {
my $page=shift;
my $type=shift;
if (! $config{indexpages} || $page eq 'index') {
return $page.".".$type;
}
else {
return $page."/index.".$type;
}
}
sub targetpage ($$;$) {
my $page=shift;
my $ext=shift;
my $filename=shift;
if (defined $filename) {
return $page."/".$filename.".".$ext;
}
elsif (! $config{usedirs} || $page eq 'index') {
return $page.".".$ext;
}
else {
return $page."/index.".$ext;
}
}
sub htmlpage ($) {
my $page=shift;
return targetpage($page, $config{htmlext});
}
sub srcfile_stat {
my $file=shift;
my $nothrow=shift;
return "$config{srcdir}/$file", stat(_) if -e "$config{srcdir}/$file";
foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
return "$dir/$file", stat(_) if -e "$dir/$file";
}
error("internal error: $file cannot be found in $config{srcdir} or underlay") unless $nothrow;
return;
}
sub srcfile ($;$) {
return (srcfile_stat(@_))[0];
}
sub add_underlay ($) {
my $dir=shift;
if ($dir !~ /^\//) {
$dir="$config{underlaydirbase}/$dir";
}
if (! grep { $_ eq $dir } @{$config{underlaydirs}}) {
unshift @{$config{underlaydirs}}, $dir;
}
return 1;
}
sub readfile ($;$$) {
my $file=shift;
my $binary=shift;
my $wantfd=shift;
if (-l $file) {
error("cannot read a symlink ($file)");
}
local $/=undef;
open (my $in, "<", $file) || error("failed to read $file: $!");
binmode($in) if ($binary);
return \*$in if $wantfd;
my $ret=<$in>;
# check for invalid utf-8, and toss it back to avoid crashes
if (! utf8::valid($ret)) {
$ret=encode_utf8($ret);
}
close $in || error("failed to read $file: $!");
return $ret;
}
sub prep_writefile ($$) {
my $file=shift;
my $destdir=shift;
my $test=$file;
while (length $test) {
if (-l "$destdir/$test") {
error("cannot write to a symlink ($test)");
}
$test=dirname($test);
}
my $dir=dirname("$destdir/$file");
if (! -d $dir) {
my $d="";
foreach my $s (split(m!/+!, $dir)) {
$d.="$s/";
if (! -d $d) {
mkdir($d) || error("failed to create directory $d: $!");
}
}
}
return 1;
}
sub writefile ($$$;$$) {
my $file=shift; # can include subdirs
my $destdir=shift; # directory to put file in
my $content=shift;
my $binary=shift;
my $writer=shift;
prep_writefile($file, $destdir);
my $newfile="$destdir/$file.ikiwiki-new";
if (-l $newfile) {
error("cannot write to a symlink ($newfile)");
}
my $cleanup = sub { unlink($newfile) };
open (my $out, '>', $newfile) || error("failed to write $newfile: $!", $cleanup);
binmode($out) if ($binary);
if ($writer) {
$writer->(\*$out, $cleanup);
}
else {
print $out $content or error("failed writing to $newfile: $!", $cleanup);
}
close $out || error("failed saving $newfile: $!", $cleanup);
rename($newfile, "$destdir/$file") ||
error("failed renaming $newfile to $destdir/$file: $!", $cleanup);
return 1;
}
my %cleared;
sub will_render ($$;$) {
my $page=shift;
my $dest=shift;
my $clear=shift;
# Important security check.
if (-e "$config{destdir}/$dest" && ! $config{rebuild} &&
! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}}, @{$wikistate{editpage}{previews}})) {
error("$config{destdir}/$dest independently created, not overwriting with version from $page");
}
if (! $clear || $cleared{$page}) {
$renderedfiles{$page}=[$dest, grep { $_ ne $dest } @{$renderedfiles{$page}}];
}
else {
foreach my $old (@{$renderedfiles{$page}}) {
delete $destsources{$old};
}
$renderedfiles{$page}=[$dest];
$cleared{$page}=1;
}
$destsources{$dest}=$page;
return 1;
}
sub bestlink ($$) {
my $page=shift;
my $link=shift;
my $cwd=$page;
if ($link=~s/^\/+//) {
# absolute links
$cwd="";
}
$link=~s/\/$//;
do {
my $l=$cwd;
$l.="/" if length $l;
$l.=$link;
if (exists $pagesources{$l}) {
return $l;
}
elsif (exists $pagecase{lc $l}) {
return $pagecase{lc $l};
}
} while $cwd=~s{/?[^/]+$}{};
if (length $config{userdir}) {
my $l = "$config{userdir}/".lc($link);
if (exists $pagesources{$l}) {
return $l;
}
elsif (exists $pagecase{lc $l}) {
return $pagecase{lc $l};
}
}
#print STDERR "warning: page $page, broken link: $link\n";
return "";
}
sub isinlinableimage ($) {
my $file=shift;
return $file =~ /\.(png|gif|jpg|jpeg)$/i;
}
sub pagetitle ($;$) {
my $page=shift;
my $unescaped=shift;
if ($unescaped) {
$page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : chr($2)/eg;
}
else {
$page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : "$2;"/eg;
}
return $page;
}
sub titlepage ($) {
my $title=shift;
# support use w/o %config set
my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_";
$title=~s/([^$chars]|_)/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
return $title;
}
sub linkpage ($) {
my $link=shift;
my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_";
$link=~s/([^$chars])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
return $link;
}
sub cgiurl (@) {
my %params=@_;
my $cgiurl=$config{cgiurl};
if (exists $params{cgiurl}) {
$cgiurl=$params{cgiurl};
delete $params{cgiurl};
}
return $cgiurl."?".
join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params);
}
sub baseurl (;$) {
my $page=shift;
return "$config{url}/" if ! defined $page;
$page=htmlpage($page);
$page=~s/[^\/]+$//;
$page=~s/[^\/]+\//..\//g;
return $page;
}
sub abs2rel ($$) {
# Work around very innefficient behavior in File::Spec if abs2rel
# is passed two relative paths. It's much faster if paths are
# absolute! (Debian bug #376658; fixed in debian unstable now)
my $path="/".shift;
my $base="/".shift;
require File::Spec;
my $ret=File::Spec->abs2rel($path, $base);
$ret=~s/^// if defined $ret;
return $ret;
}
sub displaytime ($;$$) {
# Plugins can override this function to mark up the time to
# display.
my $time=formattime($_[0], $_[1]);
if ($config{html5}) {
return '';
}
else {
return ''.$time.'';
}
}
sub formattime ($;$) {
# Plugins can override this function to format the time.
my $time=shift;
my $format=shift;
if (! defined $format) {
$format=$config{timeformat};
}
# strftime doesn't know about encodings, so make sure
# its output is properly treated as utf8
return decode_utf8(POSIX::strftime($format, localtime($time)));
}
sub date_3339 ($) {
my $time=shift;
my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
POSIX::setlocale(&POSIX::LC_TIME, "C");
my $ret=POSIX::strftime("%Y-%m-%dT%H:%M:%SZ", gmtime($time));
POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
return $ret;
}
sub beautify_urlpath ($) {
my $url=shift;
# Ensure url is not an empty link, and if necessary,
# add ./ to avoid colon confusion.
if ($url !~ /^\// && $url !~ /^\.\.?\//) {
$url="./$url";
}
if ($config{usedirs}) {
$url =~ s!/index.$config{htmlext}$!/!;
}
return $url;
}
sub urlto ($$;$) {
my $to=shift;
my $from=shift;
my $absolute=shift;
if (! length $to) {
return beautify_urlpath(baseurl($from)."index.$config{htmlext}");
}
if (! $destsources{$to}) {
$to=htmlpage($to);
}
if ($absolute) {
return $config{url}.beautify_urlpath("/".$to);
}
my $link = abs2rel($to, dirname(htmlpage($from)));
return beautify_urlpath($link);
}
sub isselflink ($$) {
my $page=shift;
my $link=shift;
return $page eq $link;
}
sub htmllink ($$$;@) {
my $lpage=shift; # the page doing the linking
my $page=shift; # the page that will contain the link (different for inline)
my $link=shift;
my %opts=@_;
$link=~s/\/$//;
my $bestlink;
if (! $opts{forcesubpage}) {
$bestlink=bestlink($lpage, $link);
}
else {
$bestlink="$lpage/".lc($link);
}
my $linktext;
if (defined $opts{linktext}) {
$linktext=$opts{linktext};
}
else {
$linktext=pagetitle(basename($link));
}
return "$linktext"
if length $bestlink && isselflink($page, $bestlink) &&
! defined $opts{anchor};
if (! $destsources{$bestlink}) {
$bestlink=htmlpage($bestlink);
if (! $destsources{$bestlink}) {
my $cgilink = "";
if (length $config{cgiurl}) {
$cgilink = " "create",
page => lc($link),
from => $lpage
)."\" rel=\"nofollow\">?";
}
return "$cgilink$linktext"
}
}
$bestlink=abs2rel($bestlink, dirname(htmlpage($page)));
$bestlink=beautify_urlpath($bestlink);
if (! $opts{noimageinline} && isinlinableimage($bestlink)) {
return "";
}
if (defined $opts{anchor}) {
$bestlink.="#".$opts{anchor};
}
my @attrs;
foreach my $attr (qw{rel class title}) {
if (defined $opts{$attr}) {
push @attrs, " $attr=\"$opts{$attr}\"";
}
}
return "$linktext";
}
sub userpage ($) {
my $user=shift;
return length $config{userdir} ? "$config{userdir}/$user" : $user;
}
sub openiduser ($) {
my $user=shift;
if ($user =~ m!^https?://! &&
eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
my $display;
if (Net::OpenID::VerifiedIdentity->can("DisplayOfURL")) {
$display = Net::OpenID::VerifiedIdentity::DisplayOfURL($user);
}
else {
# backcompat with old version
my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
$display=$oid->display;
}
# Convert "user.somehost.com" to "user [somehost.com]"
# (also "user.somehost.co.uk")
if ($display !~ /\[/) {
$display=~s/^([-a-zA-Z0-9]+?)\.([-.a-zA-Z0-9]+\.[a-z]+)$/$1 [$2]/;
}
# Convert "http://somehost.com/user" to "user [somehost.com]".
# (also "https://somehost.com/user/")
if ($display !~ /\[/) {
$display=~s/^https?:\/\/(.+)\/([^\/#?]+)\/?(?:[#?].*)?$/$2 [$1]/;
}
$display=~s!^https?://!!; # make sure this is removed
eval q{use CGI 'escapeHTML'};
error($@) if $@;
return escapeHTML($display);
}
return;
}
sub htmlize ($$$$) {
my $page=shift;
my $destpage=shift;
my $type=shift;
my $content=shift;
my $oneline = $content !~ /\n/;
if (exists $hooks{htmlize}{$type}) {
$content=$hooks{htmlize}{$type}{call}->(
page => $page,
content => $content,
);
}
else {
error("htmlization of $type not supported");
}
run_hooks(sanitize => sub {
$content=shift->(
page => $page,
destpage => $destpage,
content => $content,
);
});
if ($oneline) {
# hack to get rid of enclosing junk added by markdown
# and other htmlizers/sanitizers
$content=~s/^
//i; $content=~s/<\/p>\n*$//i; } return $content; } sub linkify ($$$) { my $page=shift; my $destpage=shift; my $content=shift; run_hooks(linkify => sub { $content=shift->( page => $page, destpage => $destpage, content => $content, ); }); return $content; } our %preprocessing; our $preprocess_preview=0; sub preprocess ($$$;$$) { my $page=shift; # the page the data comes from my $destpage=shift; # the page the data will appear in (different for inline) my $content=shift; my $scan=shift; my $preview=shift; # Using local because it needs to be set within any nested calls # of this function. local $preprocess_preview=$preview if defined $preview; my $handle=sub { my $escape=shift; my $prefix=shift; my $command=shift; my $params=shift; $params="" if ! defined $params; if (length $escape) { return "[[$prefix$command $params]]"; } elsif (exists $hooks{preprocess}{$command}) { return "" if $scan && ! $hooks{preprocess}{$command}{scan}; # Note: preserve order of params, some plugins may # consider it significant. my @params; while ($params =~ m{ (?:([-\w]+)=)? # 1: named parameter key? (?: """(.*?)""" # 2: triple-quoted value | "([^"]*?)" # 3: single-quoted value | (\S+) # 4: unquoted value ) (?:\s+|$) # delimiter to next param }sgx) { my $key=$1; my $val; if (defined $2) { $val=$2; $val=~s/\r\n/\n/mg; $val=~s/^\n+//g; $val=~s/\n+$//g; } elsif (defined $3) { $val=$3; } elsif (defined $4) { $val=$4; } if (defined $key) { push @params, $key, $val; } else { push @params, $val, ''; } } if ($preprocessing{$page}++ > 3) { # Avoid loops of preprocessed pages preprocessing # other pages that preprocess them, etc. return "[[!$command ". sprintf(gettext("preprocessing loop detected on %s at depth %i"), $page, $preprocessing{$page}). "]]"; } my $ret; if (! $scan) { $ret=eval { $hooks{preprocess}{$command}{call}->( @params, page => $page, destpage => $destpage, preview => $preprocess_preview, ); }; if ($@) { my $error=$@; chomp $error; $ret="[[!$command ". gettext("Error").": $error"."]]"; } } else { # use void context during scan pass eval { $hooks{preprocess}{$command}{call}->( @params, page => $page, destpage => $destpage, preview => $preprocess_preview, ); }; $ret=""; } $preprocessing{$page}--; return $ret; } else { return "[[$prefix$command $params]]"; } }; my $regex; if ($config{prefix_directives}) { $regex = qr{ (\\?) # 1: escape? \[\[(!) # directive open; 2: prefix ([-\w]+) # 3: command ( # 4: the parameters.. \s+ # Must have space if parameters present (?: (?:[-\w]+=)? # named parameter key? (?: """.*?""" # triple-quoted value | "[^"]*?" # single-quoted value | [^"\s\]]+ # unquoted value ) \s* # whitespace or end # of directive ) *)? # 0 or more parameters \]\] # directive closed }sx; } else { $regex = qr{ (\\?) # 1: escape? \[\[(!?) # directive open; 2: optional prefix ([-\w]+) # 3: command \s+ ( # 4: the parameters.. (?: (?:[-\w]+=)? # named parameter key? (?: """.*?""" # triple-quoted value | "[^"]*?" # single-quoted value | [^"\s\]]+ # unquoted value ) \s* # whitespace or end # of directive ) *) # 0 or more parameters \]\] # directive closed }sx; } $content =~ s{$regex}{$handle->($1, $2, $3, $4)}eg; return $content; } sub filter ($$$;$) { my $page=shift; my $destpage=shift; my $content=shift; my $fullpage=shift; $fullpage = 0 unless defined $fullpage; run_hooks(filter => sub { $content=shift->(page => $page, destpage => $destpage, content => $content, fullpage => $fullpage); }); return $content; } sub check_canedit ($$$;$) { my $page=shift; my $q=shift; my $session=shift; my $nonfatal=shift; my $canedit; run_hooks(canedit => sub { return if defined $canedit; my $ret=shift->($page, $q, $session); if (defined $ret) { if ($ret eq "") { $canedit=1; } elsif (ref $ret eq 'CODE') { $ret->() unless $nonfatal; $canedit=0; } elsif (defined $ret) { error($ret) unless $nonfatal; $canedit=0; } } }); return defined $canedit ? $canedit : 1; } sub check_content (@) { my %params=@_; return 1 if ! exists $hooks{checkcontent}; # optimisation if (exists $pagesources{$params{page}}) { my @diff; my %old=map { $_ => 1 } split("\n", readfile(srcfile($pagesources{$params{page}}))); foreach my $line (split("\n", $params{content})) { push @diff, $line if ! exists $old{$line}; } $params{diff}=join("\n", @diff); } my $ok; run_hooks(checkcontent => sub { return if defined $ok; my $ret=shift->(%params); if (defined $ret) { if ($ret eq "") { $ok=1; } elsif (ref $ret eq 'CODE') { $ret->() unless $params{nonfatal}; $ok=0; } elsif (defined $ret) { error($ret) unless $params{nonfatal}; $ok=0; } } }); return defined $ok ? $ok : 1; } my $wikilock; sub lockwiki () { # Take an exclusive lock on the wiki to prevent multiple concurrent # run issues. The lock will be dropped on program exit. if (! -d $config{wikistatedir}) { mkdir($config{wikistatedir}); } open($wikilock, '>', "$config{wikistatedir}/lockfile") || error ("cannot write to $config{wikistatedir}/lockfile: $!"); if (! flock($wikilock, 2)) { # LOCK_EX error("failed to get lock"); } return 1; } sub unlockwiki () { POSIX::close($ENV{IKIWIKI_CGILOCK_FD}) if exists $ENV{IKIWIKI_CGILOCK_FD}; return close($wikilock) if $wikilock; return; } my $commitlock; sub commit_hook_enabled () { open($commitlock, '+>', "$config{wikistatedir}/commitlock") || error("cannot write to $config{wikistatedir}/commitlock: $!"); if (! flock($commitlock, 1 | 4)) { # LOCK_SH | LOCK_NB to test close($commitlock) || error("failed closing commitlock: $!"); return 0; } close($commitlock) || error("failed closing commitlock: $!"); return 1; } sub disable_commit_hook () { open($commitlock, '>', "$config{wikistatedir}/commitlock") || error("cannot write to $config{wikistatedir}/commitlock: $!"); if (! flock($commitlock, 2)) { # LOCK_EX error("failed to get commit lock"); } return 1; } sub enable_commit_hook () { return close($commitlock) if $commitlock; return; } sub loadindex () { %oldrenderedfiles=%pagectime=(); if (! $config{rebuild}) { %pagesources=%pagemtime=%oldlinks=%links=%depends= %destsources=%renderedfiles=%pagecase=%pagestate= %depends_simple=%typedlinks=%oldtypedlinks=(); } my $in; if (! open ($in, "<", "$config{wikistatedir}/indexdb")) { if (-e "$config{wikistatedir}/index") { system("ikiwiki-transition", "indexdb", $config{srcdir}); open ($in, "<", "$config{wikistatedir}/indexdb") || return; } else { $config{gettime}=1; # first build return; } } my $index=Storable::fd_retrieve($in); if (! defined $index) { return 0; } my $pages; if (exists $index->{version} && ! ref $index->{version}) { $pages=$index->{page}; %wikistate=%{$index->{state}}; } else { $pages=$index; %wikistate=(); } foreach my $src (keys %$pages) { my $d=$pages->{$src}; my $page=pagename($src); $pagectime{$page}=$d->{ctime}; $pagesources{$page}=$src; if (! $config{rebuild}) { $pagemtime{$page}=$d->{mtime}; $renderedfiles{$page}=$d->{dest}; if (exists $d->{links} && ref $d->{links}) { $links{$page}=$d->{links}; $oldlinks{$page}=[@{$d->{links}}]; } if (ref $d->{depends_simple} eq 'ARRAY') { # old format $depends_simple{$page}={ map { $_ => 1 } @{$d->{depends_simple}} }; } elsif (exists $d->{depends_simple}) { $depends_simple{$page}=$d->{depends_simple}; } if (exists $d->{dependslist}) { # old format $depends{$page}={ map { $_ => $DEPEND_CONTENT } @{$d->{dependslist}} }; } elsif (exists $d->{depends} && ! ref $d->{depends}) { # old format $depends{$page}={$d->{depends} => $DEPEND_CONTENT }; } elsif (exists $d->{depends}) { $depends{$page}=$d->{depends}; } if (exists $d->{state}) { $pagestate{$page}=$d->{state}; } if (exists $d->{typedlinks}) { $typedlinks{$page}=$d->{typedlinks}; while (my ($type, $links) = each %{$typedlinks{$page}}) { next unless %$links; $oldtypedlinks{$page}{$type} = {%$links}; } } } $oldrenderedfiles{$page}=[@{$d->{dest}}]; } foreach my $page (keys %pagesources) { $pagecase{lc $page}=$page; } foreach my $page (keys %renderedfiles) { $destsources{$_}=$page foreach @{$renderedfiles{$page}}; } return close($in); } sub saveindex () { run_hooks(savestate => sub { shift->() }); my %hookids; foreach my $type (keys %hooks) { $hookids{$_}=1 foreach keys %{$hooks{$type}}; } my @hookids=keys %hookids; if (! -d $config{wikistatedir}) { mkdir($config{wikistatedir}); } my $newfile="$config{wikistatedir}/indexdb.new"; my $cleanup = sub { unlink($newfile) }; open (my $out, '>', $newfile) || error("cannot write to $newfile: $!", $cleanup); my %index; foreach my $page (keys %pagemtime) { next unless $pagemtime{$page}; my $src=$pagesources{$page}; $index{page}{$src}={ ctime => $pagectime{$page}, mtime => $pagemtime{$page}, dest => $renderedfiles{$page}, links => $links{$page}, }; if (exists $depends{$page}) { $index{page}{$src}{depends} = $depends{$page}; } if (exists $depends_simple{$page}) { $index{page}{$src}{depends_simple} = $depends_simple{$page}; } if (exists $typedlinks{$page} && %{$typedlinks{$page}}) { $index{page}{$src}{typedlinks} = $typedlinks{$page}; } if (exists $pagestate{$page}) { foreach my $id (@hookids) { foreach my $key (keys %{$pagestate{$page}{$id}}) { $index{page}{$src}{state}{$id}{$key}=$pagestate{$page}{$id}{$key}; } } } } $index{state}={}; foreach my $id (@hookids) { foreach my $key (keys %{$wikistate{$id}}) { $index{state}{$id}{$key}=$wikistate{$id}{$key}; } } $index{version}="3"; my $ret=Storable::nstore_fd(\%index, $out); return if ! defined $ret || ! $ret; close $out || error("failed saving to $newfile: $!", $cleanup); rename($newfile, "$config{wikistatedir}/indexdb") || error("failed renaming $newfile to $config{wikistatedir}/indexdb", $cleanup); return 1; } sub template_file ($) { my $name=shift; my $tpage=($name =~ s/^\///) ? $name : "templates/$name"; if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) { $tpage=$pagesources{$tpage}; $name.=".tmpl"; } my $template=srcfile($tpage, 1); if (defined $template) { return $template, $tpage, 1 if wantarray; return $template; } else { $name=~s:/::; # avoid path traversal foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") { if (-e "$dir/$name") { $template="$dir/$name"; last; } } if (defined $template) { return $template, $tpage if wantarray; return $template; } } return; } sub template_depends ($$;@) { my $name=shift; my $page=shift; my ($filename, $tpage, $untrusted)=template_file($name); if (defined $page && defined $tpage) { add_depends($page, $tpage); } return unless defined $filename; my @opts=( filter => sub { my $text_ref = shift; ${$text_ref} = decode_utf8(${$text_ref}); }, loop_context_vars => 1, die_on_bad_params => 0, filename => $filename, @_, ($untrusted ? (no_includes => 1) : ()), ); return @opts if wantarray; require HTML::Template; return HTML::Template->new(@opts); } sub template ($;@) { template_depends(shift, undef, @_); } sub misctemplate ($$;@) { my $title=shift; my $content=shift; my %params=@_; my $template=template("page.tmpl"); my $page=""; if (exists $params{page}) { $page=delete $params{page}; } run_hooks(pagetemplate => sub { shift->( page => $page, destpage => $page, template => $template, ); }); templateactions($template, ""); $template->param( dynamic => 1, title => $title, wikiname => $config{wikiname}, content => $content, baseurl => baseurl(), html5 => $config{html5}, %params, ); return $template->output; } sub templateactions ($$) { my $template=shift; my $page=shift; my $have_actions=0; my @actions; run_hooks(pageactions => sub { push @actions, map { { action => $_ } } grep { defined } shift->(page => $page); }); $template->param(actions => \@actions); if ($config{cgiurl} && exists $hooks{auth}) { $template->param(prefsurl => cgiurl(do => "prefs")); $have_actions=1; } if ($have_actions || @actions) { $template->param(have_actions => 1); } } sub hook (@) { my %param=@_; if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) { error 'hook requires type, call, and id parameters'; } return if $param{no_override} && exists $hooks{$param{type}}{$param{id}}; $hooks{$param{type}}{$param{id}}=\%param; return 1; } sub run_hooks ($$) { # Calls the given sub for each hook of the given type, # passing it the hook function to call. my $type=shift; my $sub=shift; if (exists $hooks{$type}) { my (@first, @middle, @last); foreach my $id (keys %{$hooks{$type}}) { if ($hooks{$type}{$id}{first}) { push @first, $id; } elsif ($hooks{$type}{$id}{last}) { push @last, $id; } else { push @middle, $id; } } foreach my $id (@first, @middle, @last) { $sub->($hooks{$type}{$id}{call}); } } return 1; } sub rcs_update () { $hooks{rcs}{rcs_update}{call}->(@_); } sub rcs_prepedit ($) { $hooks{rcs}{rcs_prepedit}{call}->(@_); } sub rcs_commit (@) { $hooks{rcs}{rcs_commit}{call}->(@_); } sub rcs_commit_staged (@) { $hooks{rcs}{rcs_commit_staged}{call}->(@_); } sub rcs_add ($) { $hooks{rcs}{rcs_add}{call}->(@_); } sub rcs_remove ($) { $hooks{rcs}{rcs_remove}{call}->(@_); } sub rcs_rename ($$) { $hooks{rcs}{rcs_rename}{call}->(@_); } sub rcs_recentchanges ($) { $hooks{rcs}{rcs_recentchanges}{call}->(@_); } sub rcs_diff ($) { $hooks{rcs}{rcs_diff}{call}->(@_); } sub rcs_getctime ($) { $hooks{rcs}{rcs_getctime}{call}->(@_); } sub rcs_getmtime ($) { $hooks{rcs}{rcs_getmtime}{call}->(@_); } sub rcs_receive () { $hooks{rcs}{rcs_receive}{call}->(); } sub add_depends ($$;$) { my $page=shift; my $pagespec=shift; my $deptype=shift || $DEPEND_CONTENT; # Is the pagespec a simple page name? if ($pagespec =~ /$config{wiki_file_regexp}/ && $pagespec !~ /[\s*?()!]/) { $depends_simple{$page}{lc $pagespec} |= $deptype; return 1; } # Add explicit dependencies for influences. my $sub=pagespec_translate($pagespec); return unless defined $sub; foreach my $p (keys %pagesources) { my $r=$sub->($p, location => $page); my $i=$r->influences; my $static=$r->influences_static; foreach my $k (keys %$i) { next unless $r || $static || $k eq $page; $depends_simple{$page}{lc $k} |= $i->{$k}; } last if $static; } $depends{$page}{$pagespec} |= $deptype; return 1; } sub deptype (@) { my $deptype=0; foreach my $type (@_) { if ($type eq 'presence') { $deptype |= $DEPEND_PRESENCE; } elsif ($type eq 'links') { $deptype |= $DEPEND_LINKS; } elsif ($type eq 'content') { $deptype |= $DEPEND_CONTENT; } } return $deptype; } my $file_prune_regexp; sub file_pruned ($) { my $file=shift; if (defined $config{include} && length $config{include}) { return 0 if $file =~ m/$config{include}/; } if (! defined $file_prune_regexp) { $file_prune_regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')'; $file_prune_regexp=qr/$file_prune_regexp/; } return $file =~ m/$file_prune_regexp/; } sub define_gettext () { # If translation is needed, redefine the gettext function to do it. # Otherwise, it becomes a quick no-op. my $gettext_obj; my $getobj; if ((exists $ENV{LANG} && length $ENV{LANG}) || (exists $ENV{LC_ALL} && length $ENV{LC_ALL}) || (exists $ENV{LC_MESSAGES} && length $ENV{LC_MESSAGES})) { $getobj=sub { $gettext_obj=eval q{ use Locale::gettext q{textdomain}; Locale::gettext->domain('ikiwiki') }; }; } no warnings 'redefine'; *gettext=sub { $getobj->() if $getobj; if ($gettext_obj) { $gettext_obj->get(shift); } else { return shift; } }; *ngettext=sub { $getobj->() if $getobj; if ($gettext_obj) { $gettext_obj->nget(@_); } else { return ($_[2] == 1 ? $_[0] : $_[1]) } }; } sub gettext { define_gettext(); gettext(@_); } sub ngettext { define_gettext(); ngettext(@_); } sub yesno ($) { my $val=shift; return (defined $val && (lc($val) eq gettext("yes") || lc($val) eq "yes" || $val eq "1")); } sub inject { # Injects a new function into the symbol table to replace an # exported function. my %params=@_; # This is deep ugly perl foo, beware. no strict; no warnings; if (! defined $params{parent}) { $params{parent}='::'; $params{old}=\&{$params{name}}; $params{name}=~s/.*:://; } my $parent=$params{parent}; foreach my $ns (grep /^\w+::/, keys %{$parent}) { $ns = $params{parent} . $ns; inject(%params, parent => $ns) unless $ns eq '::main::'; *{$ns . $params{name}} = $params{call} if exists ${$ns}{$params{name}} && \&{${$ns}{$params{name}}} == $params{old}; } use strict; use warnings; } sub add_link ($$;$) { my $page=shift; my $link=shift; my $type=shift; push @{$links{$page}}, $link unless grep { $_ eq $link } @{$links{$page}}; if (defined $type) { $typedlinks{$page}{$type}{$link} = 1; } } sub add_autofile ($$$) { my $file=shift; my $plugin=shift; my $generator=shift; $autofiles{$file}{plugin}=$plugin; $autofiles{$file}{generator}=$generator; } sub sortspec_translate ($$) { my $spec = shift; my $reverse = shift; my $code = ""; my @data; while ($spec =~ m{ \s* (-?) # group 1: perhaps negated \s* ( # group 2: a word \w+\([^\)]*\) # command(params) | [^\s]+ # or anything else ) \s* }gx) { my $negated = $1; my $word = $2; my $params = undef; if ($word =~ m/^(\w+)\((.*)\)$/) { # command with parameters $params = $2; $word = $1; } elsif ($word !~ m/^\w+$/) { error(sprintf(gettext("invalid sort type %s"), $word)); } if (length $code) { $code .= " || "; } if ($negated) { $code .= "-"; } if (exists $IkiWiki::SortSpec::{"cmp_$word"}) { if (defined $params) { push @data, $params; $code .= "IkiWiki::SortSpec::cmp_$word(\$data[$#data])"; } else { $code .= "IkiWiki::SortSpec::cmp_$word(undef)"; } } else { error(sprintf(gettext("unknown sort type %s"), $word)); } } if (! length $code) { # undefined sorting method... sort arbitrarily return sub { 0 }; } if ($reverse) { $code="-($code)"; } no warnings; return eval 'sub { '.$code.' }'; } sub pagespec_translate ($) { my $spec=shift; # Convert spec to perl code. my $code=""; my @data; while ($spec=~m{ \s* # ignore whitespace ( # 1: match a single word \! # ! | \( # ( | \) # ) | \w+\([^\)]*\) # command(params) | [^\s()]+ # any other text ) \s* # ignore whitespace }gx) { my $word=$1; if (lc $word eq 'and') { $code.=' &'; } elsif (lc $word eq 'or') { $code.=' |'; } elsif ($word eq "(" || $word eq ")" || $word eq "!") { $code.=' '.$word; } elsif ($word =~ /^(\w+)\((.*)\)$/) { if (exists $IkiWiki::PageSpec::{"match_$1"}) { push @data, $2; $code.="IkiWiki::PageSpec::match_$1(\$page, \$data[$#data], \@_)"; } else { push @data, qq{unknown function in pagespec "$word"}; $code.="IkiWiki::ErrorReason->new(\$data[$#data])"; } } else { push @data, $word; $code.=" IkiWiki::PageSpec::match_glob(\$page, \$data[$#data], \@_)"; } } if (! length $code) { $code="IkiWiki::FailReason->new('empty pagespec')"; } no warnings; return eval 'sub { my $page=shift; '.$code.' }'; } sub pagespec_match ($$;@) { my $page=shift; my $spec=shift; my @params=@_; # Backwards compatability with old calling convention. if (@params == 1) { unshift @params, 'location'; } my $sub=pagespec_translate($spec); return IkiWiki::ErrorReason->new("syntax error in pagespec \"$spec\"") if ! defined $sub; return $sub->($page, @params); } sub pagespec_match_list ($$;@) { my $page=shift; my $pagespec=shift; my %params=@_; # Backwards compatability with old calling convention. if (ref $page) { print STDERR "warning: a plugin (".caller().") is using pagespec_match_list in an obsolete way, and needs to be updated\n"; $params{list}=$page; $page=$params{location}; # ugh! } my $sub=pagespec_translate($pagespec); error "syntax error in pagespec \"$pagespec\"" if ! defined $sub; my $sort=sortspec_translate($params{sort}, $params{reverse}) if defined $params{sort}; my @candidates; if (exists $params{list}) { @candidates=exists $params{filter} ? grep { ! $params{filter}->($_) } @{$params{list}} : @{$params{list}}; } else { @candidates=exists $params{filter} ? grep { ! $params{filter}->($_) } keys %pagesources : keys %pagesources; } # clear params, remainder is passed to pagespec $depends{$page}{$pagespec} |= ($params{deptype} || $DEPEND_CONTENT); my $num=$params{num}; delete @params{qw{num deptype reverse sort filter list}}; # when only the top matches will be returned, it's efficient to # sort before matching to pagespec, if (defined $num && defined $sort) { @candidates=IkiWiki::SortSpec::sort_pages( $sort, @candidates); } my @matches; my $firstfail; my $count=0; my $accum=IkiWiki::SuccessReason->new(); foreach my $p (@candidates) { my $r=$sub->($p, %params, location => $page); error(sprintf(gettext("cannot match pages: %s"), $r)) if $r->isa("IkiWiki::ErrorReason"); unless ($r || $r->influences_static) { $r->remove_influence($p); } $accum |= $r; if ($r) { push @matches, $p; last if defined $num && ++$count == $num; } } # Add simple dependencies for accumulated influences. my $i=$accum->influences; foreach my $k (keys %$i) { $depends_simple{$page}{lc $k} |= $i->{$k}; } # when all matches will be returned, it's efficient to # sort after matching if (! defined $num && defined $sort) { return IkiWiki::SortSpec::sort_pages( $sort, @matches); } else { return @matches; } } sub pagespec_valid ($) { my $spec=shift; return defined pagespec_translate($spec); } sub glob2re ($) { my $re=quotemeta(shift); $re=~s/\\\*/.*/g; $re=~s/\\\?/./g; return $re; } package IkiWiki::FailReason; use overload ( '""' => sub { $_[0][0] }, '0+' => sub { 0 }, '!' => sub { bless $_[0], 'IkiWiki::SuccessReason'}, '&' => sub { $_[0]->merge_influences($_[1], 1); $_[0] }, '|' => sub { $_[1]->merge_influences($_[0]); $_[1] }, fallback => 1, ); our @ISA = 'IkiWiki::SuccessReason'; package IkiWiki::SuccessReason; use overload ( '""' => sub { $_[0][0] }, '0+' => sub { 1 }, '!' => sub { bless $_[0], 'IkiWiki::FailReason'}, '&' => sub { $_[1]->merge_influences($_[0], 1); $_[1] }, '|' => sub { $_[0]->merge_influences($_[1]); $_[0] }, fallback => 1, ); sub new { my $class = shift; my $value = shift; return bless [$value, {@_}], $class; } sub influences { my $this=shift; $this->[1]={@_} if @_; my %i=%{$this->[1]}; delete $i{""}; return \%i; } sub influences_static { return ! $_[0][1]->{""}; } sub merge_influences { my $this=shift; my $other=shift; my $anded=shift; if (! $anded || (($this || %{$this->[1]}) && ($other || %{$other->[1]}))) { foreach my $influence (keys %{$other->[1]}) { $this->[1]{$influence} |= $other->[1]{$influence}; } } else { # influence blocker $this->[1]={}; } } sub remove_influence { my $this=shift; my $torm=shift; delete $this->[1]{$torm}; } package IkiWiki::ErrorReason; our @ISA = 'IkiWiki::FailReason'; package IkiWiki::PageSpec; sub derel ($$) { my $path=shift; my $from=shift; if ($path =~ m!^\./!) { $from=~s#/?[^/]+$## if defined $from; $path=~s#^\./##; $path="$from/$path" if defined $from && length $from; } return $path; } sub match_glob ($$;@) { my $page=shift; my $glob=shift; my %params=@_; $glob=derel($glob, $params{location}); my $regexp=IkiWiki::glob2re($glob); if ($page=~/^$regexp$/i) { if (! IkiWiki::isinternal($page) || $params{internal}) { return IkiWiki::SuccessReason->new("$glob matches $page"); } else { return IkiWiki::FailReason->new("$glob matches $page, but the page is an internal page"); } } else { return IkiWiki::FailReason->new("$glob does not match $page"); } } sub match_internal ($$;@) { return match_glob(shift, shift, @_, internal => 1) } sub match_page ($$;@) { my $page=shift; my $match=match_glob($page, shift, @_); if ($match && ! (exists $IkiWiki::pagesources{$page} && defined IkiWiki::pagetype($IkiWiki::pagesources{$page}))) { return IkiWiki::FailReason->new("$page is not a page"); } else { return $match; } } sub match_link ($$;@) { my $page=shift; my $link=lc(shift); my %params=@_; $link=derel($link, $params{location}); my $from=exists $params{location} ? $params{location} : ''; my $linktype=$params{linktype}; my $qualifier=''; if (defined $linktype) { $qualifier=" with type $linktype"; } my $links = $IkiWiki::links{$page}; return IkiWiki::FailReason->new("$page has no links", $page => $IkiWiki::DEPEND_LINKS, "" => 1) unless $links && @{$links}; my $bestlink = IkiWiki::bestlink($from, $link); foreach my $p (@{$links}) { next unless (! defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}); if (length $bestlink) { if ($bestlink eq IkiWiki::bestlink($page, $p)) { return IkiWiki::SuccessReason->new("$page links to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1) } } else { if (match_glob($p, $link, %params)) { return IkiWiki::SuccessReason->new("$page links to page $p$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1) } my ($p_rel)=$p=~/^\/?(.*)/; $link=~s/^\///; if (match_glob($p_rel, $link, %params)) { return IkiWiki::SuccessReason->new("$page links to page $p_rel$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1) } } } return IkiWiki::FailReason->new("$page does not link to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1); } sub match_backlink ($$;@) { my $ret=match_link($_[1], $_[0], @_); $ret->influences($_[1] => $IkiWiki::DEPEND_LINKS); return $ret; } sub match_created_before ($$;@) { my $page=shift; my $testpage=shift; my %params=@_; $testpage=derel($testpage, $params{location}); if (exists $IkiWiki::pagectime{$testpage}) { if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) { return IkiWiki::SuccessReason->new("$page created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } else { return IkiWiki::FailReason->new("$page not created before $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } } else { return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE); } } sub match_created_after ($$;@) { my $page=shift; my $testpage=shift; my %params=@_; $testpage=derel($testpage, $params{location}); if (exists $IkiWiki::pagectime{$testpage}) { if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) { return IkiWiki::SuccessReason->new("$page created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } else { return IkiWiki::FailReason->new("$page not created after $testpage", $testpage => $IkiWiki::DEPEND_PRESENCE); } } else { return IkiWiki::ErrorReason->new("$testpage does not exist", $testpage => $IkiWiki::DEPEND_PRESENCE); } } sub match_creation_day ($$;@) { if ((localtime($IkiWiki::pagectime{shift()}))[3] == shift) { return IkiWiki::SuccessReason->new('creation_day matched'); } else { return IkiWiki::FailReason->new('creation_day did not match'); } } sub match_creation_month ($$;@) { if ((localtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) { return IkiWiki::SuccessReason->new('creation_month matched'); } else { return IkiWiki::FailReason->new('creation_month did not match'); } } sub match_creation_year ($$;@) { if ((localtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) { return IkiWiki::SuccessReason->new('creation_year matched'); } else { return IkiWiki::FailReason->new('creation_year did not match'); } } sub match_user ($$;@) { shift; my $user=shift; my %params=@_; my $regexp=IkiWiki::glob2re($user); if (! exists $params{user}) { return IkiWiki::ErrorReason->new("no user specified"); } if (defined $params{user} && $params{user}=~/^$regexp$/i) { return IkiWiki::SuccessReason->new("user is $user"); } elsif (! defined $params{user}) { return IkiWiki::FailReason->new("not logged in"); } else { return IkiWiki::FailReason->new("user is $params{user}, not $user"); } } sub match_admin ($$;@) { shift; shift; my %params=@_; if (! exists $params{user}) { return IkiWiki::ErrorReason->new("no user specified"); } if (defined $params{user} && IkiWiki::is_admin($params{user})) { return IkiWiki::SuccessReason->new("user is an admin"); } elsif (! defined $params{user}) { return IkiWiki::FailReason->new("not logged in"); } else { return IkiWiki::FailReason->new("user is not an admin"); } } sub match_ip ($$;@) { shift; my $ip=shift; my %params=@_; if (! exists $params{ip}) { return IkiWiki::ErrorReason->new("no IP specified"); } if (defined $params{ip} && lc $params{ip} eq lc $ip) { return IkiWiki::SuccessReason->new("IP is $ip"); } else { return IkiWiki::FailReason->new("IP is $params{ip}, not $ip"); } } package IkiWiki::SortSpec; # This is in the SortSpec namespace so that the $a and $b that sort() uses # are easily available in this namespace, for cmp functions to use them. sub sort_pages { my $f=shift; sort $f @_ } sub cmp_title { IkiWiki::pagetitle(IkiWiki::basename($a)) cmp IkiWiki::pagetitle(IkiWiki::basename($b)) } sub cmp_mtime { $IkiWiki::pagemtime{$b} <=> $IkiWiki::pagemtime{$a} } sub cmp_age { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} } 1