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#!/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?",
advanced => 0,
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,
},
timezone => {
type => "string",
default => "",
example => "US/Eastern",
description => "time zone name",
safe => 1,
rebuild => 1,
},
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 => "Yaml",
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};
}
return @ret;
}
# URL to top of wiki as a path starting with /, valid from any wiki page or
# the CGI; if that's not possible, an absolute URL. Either way, it ends with /
my $local_url;
# URL to CGI script, similar to $local_url
my $local_cgiurl;
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 (defined $config{timezone} && length $config{timezone}) {
$ENV{TZ}=$config{timezone};
}
else {
$config{timezone}=$ENV{TZ};
}
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"));
}
if (defined $config{url} && length $config{url}) {
eval q{use URI};
my $baseurl = URI->new($config{url});
$local_url = $baseurl->path . "/";
$local_cgiurl = undef;
if (length $config{cgiurl}) {
my $cgiurl = URI->new($config{cgiurl});
$local_cgiurl = $cgiurl->path;
if ($cgiurl->scheme ne $baseurl->scheme or
$cgiurl->authority ne $baseurl->authority) {
# too far apart, fall back to absolute URLs
$local_url = "$config{url}/";
$local_cgiurl = $config{cgiurl};
}
}
$local_url =~ s{//$}{/};
}
else {
$local_cgiurl = $config{cgiurl};
}
$config{wikistatedir}="$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 ($$;$) {
my $page=shift;
my $ext=shift;
my $filename=shift;
if (defined $filename) {
return $page."/".$filename.".".$ext;
}
elsif (! $config{usedirs} || $page eq 'index') {
return $page.".".$ext;
}
else {
return $page."/index.".$ext;
}
}
sub htmlpage ($) {
my $page=shift;
return targetpage($page, $config{htmlext});
}
sub srcfile_stat {
my $file=shift;
my $nothrow=shift;
return "$config{srcdir}/$file", stat(_) if -e "$config{srcdir}/$file";
foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) {
return "$dir/$file", stat(_) if -e "$dir/$file";
}
error("internal error: $file cannot be found in $config{srcdir} or underlay") unless $nothrow;
return;
}
sub srcfile ($;$) {
return (srcfile_stat(@_))[0];
}
sub add_literal_underlay ($) {
my $dir=shift;
if (! grep { $_ eq $dir } @{$config{underlaydirs}}) {
unshift @{$config{underlaydirs}}, $dir;
}
}
sub add_underlay ($) {
my $dir = shift;
if ($dir !~ /^\//) {
$dir="$config{underlaydirbase}/$dir";
}
add_literal_underlay($dir);
# why does it return 1? we just don't know
return 1;
}
sub readfile ($;$$) {
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 ($$) {
my $file=shift;
my $destdir=shift;
my $test=$file;
while (length $test) {
if (-l "$destdir/$test") {
error("cannot write to a symlink ($test)");
}
if (-f _ && $test ne $file) {
# Remove conflicting file.
foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
if ($f eq $test) {
unlink("$destdir/$test");
last;
}
}
}
}
$test=dirname($test);
}
my $dir=dirname("$destdir/$file");
if (! -d $dir) {
my $d="";
foreach my $s (split(m!/+!, $dir)) {
$d.="$s/";
if (! -d $d) {
mkdir($d) || error("failed to create directory $d: $!");
}
}
}
return 1;
}
sub writefile ($$$;$$) {
my $file=shift; # can include subdirs
my $destdir=shift; # directory to put file in
my $content=shift;
my $binary=shift;
my $writer=shift;
prep_writefile($file, $destdir);
my $newfile="$destdir/$file.ikiwiki-new";
if (-l $newfile) {
error("cannot write to a symlink ($newfile)");
}
my $cleanup = sub { unlink($newfile) };
open (my $out, '>', $newfile) || error("failed to write $newfile: $!", $cleanup);
binmode($out) if ($binary);
if ($writer) {
$writer->(\*$out, $cleanup);
}
else {
print $out $content or error("failed writing to $newfile: $!", $cleanup);
}
close $out || error("failed saving $newfile: $!", $cleanup);
rename($newfile, "$destdir/$file") ||
error("failed renaming $newfile to $destdir/$file: $!", $cleanup);
return 1;
}
my %cleared;
sub will_render ($$;$) {
my $page=shift;
my $dest=shift;
my $clear=shift;
# Important security check for independently created files.
if (-e "$config{destdir}/$dest" && ! $config{rebuild} &&
! grep { $_ eq $dest } (@{$renderedfiles{$page}}, @{$oldrenderedfiles{$page}}, @{$wikistate{editpage}{previews}})) {
my $from_other_page=0;
# Expensive, but rarely runs.
foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
if (grep {
$_ eq $dest ||
dirname($_) eq $dest
} @{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
$from_other_page=1;
last;
}
}
error("$config{destdir}/$dest independently created, not overwriting with version from $page")
unless $from_other_page;
}
# If $dest exists as a directory, remove conflicting files in it
# rendered from other pages.
if (-d _) {
foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) {
foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) {
if (dirname($f) eq $dest) {
unlink("$config{destdir}/$f");
rmdir(dirname("$config{destdir}/$f"));
}
}
}
}
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 ($$) {
my $page=shift;
my $link=shift;
my $cwd=$page;
if ($link=~s/^\/+//) {
# absolute links
$cwd="";
}
$link=~s/\/$//;
do {
my $l=$cwd;
$l.="/" if length $l;
$l.=$link;
if (exists $pagesources{$l}) {
return $l;
}
elsif (exists $pagecase{lc $l}) {
return $pagecase{lc $l};
}
} while $cwd=~s{/?[^/]+$}{};
if (length $config{userdir}) {
my $l = "$config{userdir}/".lc($link);
if (exists $pagesources{$l}) {
return $l;
}
elsif (exists $pagecase{lc $l}) {
return $pagecase{lc $l};
}
}
#print STDERR "warning: page $page, broken link: $link\n";
return "";
}
sub isinlinableimage ($) {
my $file=shift;
return $file =~ /\.(png|gif|jpg|jpeg|svg)$/i;
}
sub pagetitle ($;$) {
my $page=shift;
my $unescaped=shift;
if ($unescaped) {
$page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : chr($2)/eg;
}
else {
$page=~s/(__(\d+)__|_)/$1 eq '_' ? ' ' : "&#$2;"/eg;
}
return $page;
}
sub titlepage ($) {
my $title=shift;
# support use w/o %config set
my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_";
$title=~s/([^$chars]|_)/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
return $title;
}
sub linkpage ($) {
my $link=shift;
my $chars = defined $config{wiki_file_chars} ? $config{wiki_file_chars} : "-[:alnum:]+/.:_";
$link=~s/([^$chars])/$1 eq ' ' ? '_' : "__".ord($1)."__"/eg;
return $link;
}
sub cgiurl (@) {
my %params=@_;
my $cgiurl=$local_cgiurl;
if (exists $params{cgiurl}) {
$cgiurl=$params{cgiurl};
delete $params{cgiurl};
}
unless (%params) {
return $cgiurl;
}
return $cgiurl."?".
join("&amp;", map $_."=".uri_escape_utf8($params{$_}), keys %params);
}
sub baseurl (;$) {
my $page=shift;
return $local_url if ! defined $page;
$page=htmlpage($page);
$page=~s/[^\/]+$//;
$page=~s/[^\/]+\//..\//g;
return $page;
}
sub urlabs ($$) {
my $url=shift;
my $urlbase=shift;
return $url unless defined $urlbase && length $urlbase;
eval q{use URI};
URI->new_abs($url, $urlbase)->as_string;
}
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 '<time datetime="'.date_3339($_[0]).'"'.
($_[2] ? ' pubdate="pubdate"' : '').
'>'.$time.'</time>';
}
else {
return '<span class="date">'.$time.'</span>';
}
}
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 $url;
}
sub urlto ($;$$) {
my $to=shift;
my $from=shift;
my $absolute=shift;
if (! length $to) {
$to = 'index';
}
if (! $destsources{$to}) {
$to=htmlpage($to);
}
if ($absolute) {
return $config{url}.beautify_urlpath("/".$to);
}
if (! defined $from) {
my $u = $local_url || '';
$u =~ s{/$}{};
return $u.beautify_urlpath("/".$to);
}
my $link = abs2rel($to, dirname(htmlpage($from)));
return beautify_urlpath($link);
}
sub isselflink ($$) {
# Plugins can override this function to support special types
# of selflinks.
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 "<span class=\"selflink\">$linktext</span>"
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 = "<a href=\"".
cgiurl(
do => "create",
page => $link,
from => $lpage
)."\" rel=\"nofollow\">?</a>";
}
return "<span class=\"createlink\">$cgilink$linktext</span>"
}
}
$bestlink=abs2rel($bestlink, dirname(htmlpage($page)));
$bestlink=beautify_urlpath($bestlink);
if (! $opts{noimageinline} && isinlinableimage($bestlink)) {
return "<img src=\"$bestlink\" alt=\"$linktext\" />";
}
if (defined $opts{anchor}) {
$bestlink.="#".$opts{anchor};
}
my @attrs;
foreach my $attr (qw{rel class title}) {
if (defined $opts{$attr}) {
push @attrs, " $attr=\"$opts{$attr}\"";
}
}
return "<a href=\"$bestlink\"@attrs>$linktext</a>";
}
sub userpage ($) {
my $user=shift;
return length $config{userdir} ? "$config{userdir}/$user" : $user;
}
sub openiduser ($) {
my $user=shift;
if (defined $user && $user =~ m!^https?://! &&
eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
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 ($$$$) {
my $page=shift;
my $destpage=shift;
my $type=shift;
my $content=shift;
my $oneline = $content !~ /\n/;
if (exists $hooks{htmlize}{$type}) {
$content=$hooks{htmlize}{$type}{call}->(
page => $page,
content => $content,
);
}
else {
error("htmlization of $type not supported");
}
run_hooks(sanitize => sub {
$content=shift->(
page => $page,
destpage => $destpage,
content => $content,
);
});
if ($oneline) {
# hack to get rid of enclosing junk added by markdown
# and other htmlizers/sanitizers
$content=~s/^<p>//i;
$content=~s/<\/p>\n*$//i;
}
return $content;
}
sub linkify ($$$) {
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 ($params =~ m{
(?:([-\w]+)=)? # 1: named parameter key?
(?:
"""(.*?)""" # 2: triple-quoted value
|
"([^"]*?)" # 3: single-quoted value
|
'''(.*?)''' # 4: triple-single-quote
|
<<([a-zA-Z]+)\n # 5: heredoc start
(.*?)\n\5 # 6: heredoc value
|
(\S+) # 7: unquoted value
)
(?:\s+|$) # delimiter to next param
}msgx) {
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;
}
elsif (defined $7) {
$val=$7;
}
elsif (defined $6) {
$val=$6;
}
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 <span class=\"error\">".
sprintf(gettext("preprocessing loop detected on %s at depth %i"),
$page, $preprocessing{$page}).
"</span>]]";
}
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 <span class=\"error\">".
gettext("Error").": $error"."</span>]]";
}
}
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?
\[\[(!) # directive open; 2: prefix
([-\w]+) # 3: command
( # 4: the parameters..
\s+ # Must have space if parameters present
(?:
(?:[-\w]+=)? # named parameter key?
(?:
""".*?""" # triple-quoted value
|
"[^"]*?" # single-quoted value
|
'''.*?''' # triple-single-quote
|
<<([a-zA-Z]+)\n # 5: heredoc start
(?:.*?)\n\5 # heredoc value
|
[^"\s\]]+ # unquoted value
)
\s* # whitespace or end
# of directive
)
*)? # 0 or more parameters
\]\] # directive closed
}sx;
}
else {
$regex = qr{
(\\?) # 1: escape?
\[\[(!?) # directive open; 2: optional prefix
([-\w]+) # 3: command
\s+
( # 4: the parameters..
(?:
(?:[-\w]+=)? # named parameter key?
(?:
""".*?""" # triple-quoted value
|
"[^"]*?" # single-quoted value
|
'''.*?''' # triple-single-quote
|
<<([a-zA-Z]+)\n # 5: heredoc start
(?:.*?)\n\5 # heredoc value
|
[^"\s\]]+ # 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 ($$$) {
my $page=shift;
my $destpage=shift;
my $content=shift;
run_hooks(filter => sub {
$content=shift->(page => $page, destpage => $destpage,
content => $content);
});
return $content;
}
sub check_canedit ($$$;$) {
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;
}
sub check_canchange (@) {
my %params = @_;
my $cgi = $params{cgi};
my $session = $params{session};
my @changes = @{$params{changes}};
my %newfiles;
foreach my $change (@changes) {
# This untaint is safe because we check file_pruned and
# wiki_file_regexp.
my ($file)=$change->{file}=~/$config{wiki_file_regexp}/;
$file=possibly_foolish_untaint($file);
if (! defined $file || ! length $file ||
file_pruned($file)) {
error(gettext("bad file name %s"), $file);
}
my $type=pagetype($file);
my $page=pagename($file) if defined $type;
if ($change->{action} eq 'add') {
$newfiles{$file}=1;
}
if ($change->{action} eq 'change' ||
$change->{action} eq 'add') {
if (defined $page) {
check_canedit($page, $cgi, $session);
next;
}
else {
if (IkiWiki::Plugin::attachment->can("check_canattach")) {
IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path});
check_canedit($file, $cgi, $session);
next;
}
}
}
elsif ($change->{action} eq 'remove') {
# check_canremove tests to see if the file is present
# on disk. This will fail when a single commit adds a
# file and then removes it again. Avoid the problem
# by not testing the removal in such pairs of changes.
# (The add is still tested, just to make sure that
# no data is added to the repo that a web edit
# could not add.)
next if $newfiles{$file};
if (IkiWiki::Plugin::remove->can("check_canremove")) {
IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session);
check_canedit(defined $page ? $page : $file, $cgi, $session);
next;
}
}
else {
error "unknown action ".$change->{action};
}
error sprintf(gettext("you are not allowed to change %s"), $file);
}
}
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}};
# Handle plugins that got disabled by loading a new setup.
if (exists $config{setupfile}) {
require IkiWiki::Setup;
IkiWiki::Setup::disabled_plugins(
grep { ! $loaded_plugins{$_} } keys %wikistate);
}
}
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 @plugins=keys %loaded_plugins;
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 (@plugins) {
foreach my $key (keys %{$pagestate{$page}{$id}}) {
$index{page}{$src}{state}{$id}{$key}=$pagestate{$page}{$id}{$key};
}
}
}
}
$index{state}={};
foreach my $id (@plugins) {
$index{state}{$id}={}; # used to detect disabled plugins
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";
my $template;
if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) {
$template=srcfile($pagesources{$tpage}, 1);
$name.=".tmpl";
}
else {
$template=srcfile($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 ($$;@) {
my $name=shift;
my $page=shift;
my ($filename, $tpage, $untrusted)=template_file($name);
if (! defined $filename) {
error(sprintf(gettext("template %s not found"), $name))
}
if (defined $page && defined $tpage) {
add_depends($page, $tpage);
}
my @opts=(
filter => sub {
my $text_ref = shift;
${$text_ref} = decode_utf8(${$text_ref});
},
loop_context_vars => 1,
die_on_bad_params => 0,
parent_global_vars => 1,
filename => $filename,
@_,
($untrusted ? (no_includes => 1) : ()),
);
return @opts if wantarray;
require HTML::Template;
return HTML::Template->new(@opts);
}
sub template ($;@) {
template_depends(shift, undef, @_);
}
sub templateactions ($$) {
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;
$re=~s/\\\?/./g;
return qr/^$re$/i;
}
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 ($$) {
my $path=shift;
my $from=shift;
if ($path =~ m!^\.(/|$)!) {
if ($1) {
$from=~s#/?[^/]+$## if defined $from;
$path=~s#^\./##;
$path="$from/$path" if defined $from && length $from;
}
else {
$path = $from;
$path = "" unless defined $path;
}
}
return $path;
}
my %glob_cache;
sub match_glob ($$;@) {
my $page=shift;
my $glob=shift;
my %params=@_;
$glob=derel($glob, $params{location});
# Instead of converting the glob to a regex every time,
# cache the compiled regex to save time.
my $re=$glob_cache{$glob};
unless (defined $re) {
$glob_cache{$glob} = $re = IkiWiki::glob2re($glob);
}
if ($page =~ $re) {
if (! IkiWiki::isinternal($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) {
my $source=exists $IkiWiki::pagesources{$page} ?
$IkiWiki::pagesources{$page} :
$IkiWiki::delpagesources{$page};
my $type=defined $source ? IkiWiki::pagetype($source) : undef;
if (! defined $type) {
return IkiWiki::FailReason->new("$page is not a page");
}
}
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 ($$;@) {
my $page=shift;
my $d=shift;
if ($d !~ /^\d+$/) {
return IkiWiki::ErrorReason->new("invalid day $d");
}
if ((localtime($IkiWiki::pagectime{$page}))[3] == $d) {
return IkiWiki::SuccessReason->new('creation_day matched');
}
else {
return IkiWiki::FailReason->new('creation_day did not match');
}
}
sub match_creation_month ($$;@) {
my $page=shift;
my $m=shift;
if ($m !~ /^\d+$/) {
return IkiWiki::ErrorReason->new("invalid month $m");
}
if ((localtime($IkiWiki::pagectime{$page}))[4] + 1 == $m) {
return IkiWiki::SuccessReason->new('creation_month matched');
}
else {
return IkiWiki::FailReason->new('creation_month did not match');
}
}
sub match_creation_year ($$;@) {
my $page=shift;
my $y=shift;
if ($y !~ /^\d+$/) {
return IkiWiki::ErrorReason->new("invalid year $y");
}
if ((localtime($IkiWiki::pagectime{$page}))[5] + 1900 == $y) {
return IkiWiki::SuccessReason->new('creation_year matched');
}
else {
return IkiWiki::FailReason->new('creation_year did not match');
}
}
sub match_user ($$;@) {
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) {
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