X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/ab75c0323bc584203a2b4a507c2a2012523354d0..b19d19df7ab9d5d6a3ba1887d52457fed44c1333:/IkiWiki.pm diff --git a/IkiWiki.pm b/IkiWiki.pm index 54ca84550..dc9b66344 100644 --- a/IkiWiki.pm +++ b/IkiWiki.pm @@ -1,57 +1,441 @@ #!/usr/bin/perl package IkiWiki; + use warnings; use strict; use Encode; +use HTML::Entities; +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 %destsources %depends %hooks %forcerebuild + $gettext_obj %loaded_plugins}; + +use Exporter q{import}; +our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match + bestlink htmllink readfile writefile pagetype srcfile pagename + displaytime will_render gettext urlto targetpage + add_underlay pagetitle titlepage linkpage newpagefile + inject + %config %links %pagestate %wikistate %renderedfiles + %pagesources %destsources); +our $VERSION = 2.00; # plugin interface version, next is ikiwiki version +our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE +my $installdir=''; # INSTALLDIR_AUTOREPLACE done by Makefile, DNE + # Optimisation. use Memoize; memoize("abs2rel"); +memoize("pagespec_translate"); +memoize("file_pruned"); -use vars qw{%config %links %oldlinks %oldpagemtime %pagectime - %renderedfiles %pagesources %depends %hooks}; +sub getsetup () { #{{{ + wikiname => { + type => "string", + default => "wiki", + description => "name of the wiki", + safe => 1, + rebuild => 1, + }, + adminemail => { + type => "string", + default => undef, + example => 'me@example.com', + description => "contact email for wiki", + safe => 1, + rebuild => 0, + }, + adminuser => { + type => "string", + default => [], + description => "users who are wiki admins", + safe => 1, + rebuild => 0, + }, + banned_users => { + type => "string", + default => [], + description => "users who are banned from the wiki", + safe => 1, + rebuild => 0, + }, + srcdir => { + type => "string", + default => undef, + example => "$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 => "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 => "$installdir/share/ikiwiki/templates", + description => "location of template files", + advanced => 1, + safe => 0, # path + rebuild => 1, + }, + underlaydir => { + type => "string", + default => "$installdir/share/ikiwiki/basewiki", + description => "base wiki source location", + advanced => 1, + safe => 0, # path + rebuild => 0, + }, + 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 when building?", + 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 => 0, + 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, + }, + 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", + description => "", + example => "022", + description => "force ikiwiki to use a particular umask", + advanced => 1, + safe => 0, # paranoia + rebuild => 0, + }, + libdir => { + type => "string", + default => "", + example => "$ENV{HOME}/.ikiwiki/", + description => "extra library and plugin directory", + advanced => 1, + safe => 0, # directory + rebuild => 0, + }, + ENV => { + type => "string", + default => {}, + description => "environment variables", + safe => 0, # paranoia + rebuild => 0, + }, + exclude => { + type => "string", + default => undef, + example => '\.wav$', + description => "regexp of source files to ignore", + advanced => 1, + safe => 0, # regexp + rebuild => 1, + }, + wiki_file_prune_regexps => { + type => "internal", + default => [qr/(^|\/)\.\.(\/|$)/, qr/^\./, qr/\/\./, + qr/\.x?html?$/, qr/\.ikiwiki-new$/, + qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//, + qr/(^|\/)_MTN\//, + qr/\.dpkg-tmp$/], + 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 (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/, + description => "regexp to parse web commits from logs", + safe => 0, + rebuild => 0, + }, + cgi => { + type => "internal", + default => 0, + description => "run as a cgi", + safe => 0, + rebuild => 0, + }, + cgi_disable_uploads => { + type => "internal", + default => 1, + description => "whether CGI should accept file uploads", + safe => 0, + rebuild => 0, + }, + post_commit => { + type => "internal", + default => 0, + description => "run as a post-commit hook", + safe => 0, + rebuild => 0, + }, + rebuild => { + type => "internal", + default => 0, + description => "running in rebuild mode", + safe => 0, + rebuild => 0, + }, + setup => { + type => "internal", + default => undef, + description => "running in setup mode", + safe => 0, + rebuild => 0, + }, + refresh => { + type => "internal", + default => 0, + description => "running in refresh mode", + safe => 0, + rebuild => 0, + }, + test_receive => { + type => "internal", + default => 0, + description => "running in receive test mode", + safe => 0, + rebuild => 0, + }, + getctime => { + type => "internal", + default => 0, + description => "running in getctime mode", + safe => 0, + rebuild => 0, + }, + w3mmode => { + type => "internal", + default => 0, + description => "running in w3mmode", + safe => 0, + rebuild => 0, + }, + wikistatedir => { + type => "internal", + default => undef, + description => "path to the .ikiwiki directory holding ikiwiki state", + safe => 0, + rebuild => 0, + }, + setupfile => { + type => "internal", + default => undef, + description => "path to setup file", + safe => 0, + rebuild => 0, + }, + allow_symlinks_before_srcdir => { + type => "boolean", + default => 0, + description => "allow symlinks in the path leading to the srcdir (potentially insecure)", + safe => 0, + rebuild => 0, + }, +} #}}} sub defaultconfig () { #{{{ - wiki_file_prune_regexp => qr{((^|/).svn/|\.\.|^\.|\/\.|\.html?$|\.rss$)}, - wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]]+)\]\]/, - wiki_processor_regexp => qr/\[\[(\w+)\s+([^\]]*)\]\]/, - wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/, - verbose => 0, - wikiname => "wiki", - default_pageext => "mdwn", - cgi => 0, - rcs => 'svn', - notify => 0, - url => '', - cgiurl => '', - historyurl => '', - diffurl => '', - anonok => 0, - rss => 0, - discussion => 1, - rebuild => 0, - refresh => 0, - getctime => 0, - w3mmode => 0, - wrapper => undef, - wrappermode => undef, - svnrepo => undef, - svnpath => "trunk", - srcdir => undef, - destdir => undef, - pingurl => [], - templatedir => "/usr/share/ikiwiki/templates", - underlaydir => "/usr/share/ikiwiki/basewiki", - setup => undef, - adminuser => undef, - adminemail => undef, - plugin => [qw{mdwn inline htmlscrubber}], - timeformat => '%c', - locale => undef, -} #}}} - + 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}) { @@ -59,13 +443,25 @@ sub checkconfig () { #{{{ delete $ENV{LC_ALL}; } if (defined $config{locale}) { - eval q{use POSIX}; - $ENV{LANG} = $config{locale} - if POSIX::setlocale(&POSIX::LC_TIME, $config{locale}); + if (POSIX::setlocale(&POSIX::LC_ALL, $config{locale})) { + $ENV{LANG}=$config{locale}; + $gettext_obj=undef; + } + } + + 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} @@ -74,59 +470,139 @@ sub checkconfig () { #{{{ } if ($config{cgi} && ! length $config{url}) { - error("Must specify url to wiki with --url when using --cgi\n"); - } - if ($config{rss} && ! length $config{url}) { - error("Must specify url to wiki with --url when using --rss\n"); + error(gettext("Must specify url to wiki with --url when using --cgi")); } $config{wikistatedir}="$config{srcdir}/.ikiwiki" - unless exists $config{wikistatedir}; + 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 ($config{rcs}) { - eval qq{require IkiWiki::Rcs::$config{rcs}}; - if ($@) { - error("Failed to load RCS module IkiWiki::Rcs::$config{rcs}: $@"); + if (exists $IkiWiki::hooks{rcs}) { + error(gettext("cannot use multiple rcs plugins")); } + loadplugin($config{rcs}); } - else { - require IkiWiki::Rcs::Stub; + if (! exists $IkiWiki::hooks{rcs}) { + loadplugin("norcs"); } - run_hooks(checkconfig => sub { shift->() }); + run_hooks(getopt => sub { shift->() }); + if (grep /^-/, @ARGV) { + print STDERR "Unknown option: $_\n" + foreach grep /^-/, @ARGV; + usage(); + } + + return 1; } #}}} -sub loadplugins () { #{{{ - foreach my $plugin (@{$config{plugin}}) { - my $mod="IkiWiki::Plugin::".possibly_foolish_untaint($plugin); - eval qq{use $mod}; - if ($@) { - error("Failed to load plugin $mod: $@"); +sub loadplugin ($) { #{{{ + my $plugin=shift; + + return if 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 ($) { #{{{ - if ($config{cgi}) { - print "Content-type: text/html\n\n"; - print misctemplate("Error", "

Error: @_

"); +sub error ($;$) { #{{{ + my $message=shift; + my $cleaner=shift; + log_message('err' => $message) if $config{syslog}; + if (defined $cleaner) { + $cleaner->(); } - die @_; + die $message."\n"; } #}}} sub debug ($) { #{{{ return unless $config{verbose}; - if (! $config{cgi}) { - print "@_\n"; + return log_message(debug => @_); +} #}}} + +my $log_open=0; +sub log_message ($$) { #{{{ + my $type=shift; + + if ($config{syslog}) { + require Sys::Syslog; + if (! $log_open) { + Sys::Syslog::setlogsock('unix'); + Sys::Syslog::openlog('ikiwiki', '', 'user'); + $log_open=1; + } + return eval { + Sys::Syslog::syslog($type, "[$config{wikiname}] %s", join(" ", @_)); + }; + } + elsif (! $config{cgi}) { + return print "@_\n"; } else { - print STDERR "@_\n"; + return print STDERR "@_\n"; } } #}}} sub possibly_foolish_untaint ($) { #{{{ my $tainted=shift; - my ($untainted)=$tainted=~/(.*)/; + my ($untainted)=$tainted=~/(.*)/s; return $untainted; } #}}} @@ -150,7 +626,13 @@ sub pagetype ($) { #{{{ if ($page =~ /\.([^.]+)$/) { return $1 if exists $hooks{htmlize}{$1}; } - return undef; + return; +} #}}} + +sub isinternal ($) { #{{{ + my $page=shift; + return exists $pagesources{$page} && + $pagesources{$page} =~ /\._([^.]+)$/; } #}}} sub pagename ($) { #{{{ @@ -158,45 +640,94 @@ sub pagename ($) { #{{{ my $type=pagetype($file); my $page=$file; - $page=~s/\Q.$type\E*$// if defined $type; + $page=~s/\Q.$type\E*$// if defined $type && !$hooks{htmlize}{$type}{keepextension}; + if ($config{indexpages} && $page=~/(.*)\/index$/) { + $page=$1; + } return $page; } #}}} -sub htmlpage ($) { #{{{ +sub newpagefile ($$) { #{{{ + my $page=shift; + my $type=shift; + + if (! $config{indexpages} || $page eq 'index') { + return $page.".".$type; + } + else { + return $page."/index.".$type; + } +} #}}} + +sub targetpage ($$) { #{{{ my $page=shift; + my $ext=shift; + + if (! $config{usedirs} || $page eq 'index') { + return $page.".".$ext; + } + else { + return $page."/index.".$ext; + } +} #}}} - return $page.".html"; +sub htmlpage ($) { #{{{ + my $page=shift; + + return targetpage($page, $config{htmlext}); } #}}} -sub srcfile ($) { #{{{ +sub srcfile_stat { #{{{ my $file=shift; + my $nothrow=shift; - return "$config{srcdir}/$file" if -e "$config{srcdir}/$file"; - return "$config{underlaydir}/$file" if -e "$config{underlaydir}/$file"; - error("internal error: $file cannot be found"); + return "$config{srcdir}/$file", stat(_) if -e "$config{srcdir}/$file"; + foreach my $dir (@{$config{underlaydirs}}, $config{underlaydir}) { + return "$dir/$file", stat(_) if -e "$dir/$file"; + } + error("internal error: $file cannot be found in $config{srcdir} or underlay") unless $nothrow; + return; +} #}}} + +sub srcfile ($;$) { #{{{ + return (srcfile_stat(@_))[0]; } #}}} -sub readfile ($;$) { #{{{ +sub add_underlay ($) { #{{{ + my $dir=shift; + + if ($dir !~ /^\//) { + $dir="$config{underlaydir}/../$dir"; + } + + if (! grep { $_ eq $dir } @{$config{underlaydirs}}) { + unshift @{$config{underlaydirs}}, $dir; + } + + return 1; +} #}}} + +sub readfile ($;$$) { #{{{ my $file=shift; my $binary=shift; + my $wantfd=shift; if (-l $file) { error("cannot read a symlink ($file)"); } local $/=undef; - open (IN, $file) || error("failed to read $file: $!"); - binmode(IN) if ($binary); - my $ret=; - close IN; + open (my $in, "<", $file) || error("failed to read $file: $!"); + binmode($in) if ($binary); + return \*$in if $wantfd; + my $ret=<$in>; + close $in || error("failed to read $file: $!"); return $ret; } #}}} -sub writefile ($$$;$) { #{{{ - my $file=shift; # can include subdirs - my $destdir=shift; # directory to put file in - my $content=shift; - my $binary=shift; +sub prep_writefile ($$) { #{{{ + my $file=shift; + my $destdir=shift; my $test=$file; while (length $test) { @@ -216,33 +747,100 @@ sub writefile ($$$;$) { #{{{ } } } + + return 1; +} #}}} + +sub writefile ($$$;$$) { #{{{ + my $file=shift; # can include subdirs + my $destdir=shift; # directory to put file in + my $content=shift; + my $binary=shift; + my $writer=shift; + + prep_writefile($file, $destdir); + + my $newfile="$destdir/$file.ikiwiki-new"; + if (-l $newfile) { + error("cannot write to a symlink ($newfile)"); + } - open (OUT, ">$destdir/$file") || error("failed to write $destdir/$file: $!"); - binmode(OUT) if ($binary); - print OUT $content; - close OUT; + my $cleanup = sub { unlink($newfile) }; + open (my $out, '>', $newfile) || error("failed to write $newfile: $!", $cleanup); + binmode($out) if ($binary); + if ($writer) { + $writer->(\*$out, $cleanup); + } + else { + print $out $content or error("failed writing to $newfile: $!", $cleanup); + } + close $out || error("failed saving $newfile: $!", $cleanup); + rename($newfile, "$destdir/$file") || + error("failed renaming $newfile to $destdir/$file: $!", $cleanup); + + return 1; +} #}}} + +my %cleared; +sub will_render ($$;$) { #{{{ + 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 ($$) { #{{{ - # Given a page and the text of a link on the page, determine which - # existing page that link best points to. Prefers pages under a - # subdirectory with the same name as the source page, failing that - # goes down the directory tree to the base looking for matching - # pages. my $page=shift; - my $link=lc(shift); + my $link=shift; my $cwd=$page; + if ($link=~s/^\/+//) { + # absolute links + $cwd=""; + } + $link=~s/\/$//; + do { my $l=$cwd; $l.="/" if length $l; $l.=$link; if (exists $links{$l}) { - #debug("for $page, \"$link\", use $l"); return $l; } - } while $cwd=~s!/?[^/]+$!!; + elsif (exists $pagecase{lc $l}) { + return $pagecase{lc $l}; + } + } while $cwd=~s{/?[^/]+$}{}; + + if (length $config{userdir}) { + my $l = "$config{userdir}/".lc($link); + if (exists $links{$l}) { + return $l; + } + elsif (exists $pagecase{lc $l}) { + return $pagecase{lc $l}; + } + } #print STDERR "warning: page $page, broken link: $link\n"; return ""; @@ -251,43 +849,60 @@ sub bestlink ($$) { #{{{ sub isinlinableimage ($) { #{{{ my $file=shift; - $file=~/\.(png|gif|jpg|jpeg)$/i; + return $file =~ /\.(png|gif|jpg|jpeg)$/i; } #}}} -sub pagetitle ($) { #{{{ +sub pagetitle ($;$) { #{{{ my $page=shift; - $page=~s/__(\d+)__/&#$1;/g; - $page=~y/_/ /; + 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; - $title=~y/ /_/; - $title=~s/([^-[:alnum:]_:+\/.])/"__".ord($1)."__"/eg; + # 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=@_; - return $config{cgiurl}."?".join("&", map "$_=$params{$_}", keys %params); + return $config{cgiurl}."?". + join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params); } #}}} -sub styleurl (;$) { #{{{ +sub baseurl (;$) { #{{{ my $page=shift; - return "$config{url}/style.css" if ! defined $page; + return "$config{url}/" if ! defined $page; + $page=htmlpage($page); $page=~s/[^\/]+$//; $page=~s/[^\/]+\//..\//g; - return $page."style.css"; + return $page; } #}}} -sub abs2rel ($$) { +sub abs2rel ($$) { #{{{ # Work around very innefficient behavior in File::Spec if abs2rel # is passed two relative paths. It's much faster if paths are - # absolute! + # absolute! (Debian bug #376658; fixed in debian unstable now) my $path="/".shift; my $base="/".shift; @@ -295,142 +910,591 @@ sub abs2rel ($$) { my $ret=File::Spec->abs2rel($path, $base); $ret=~s/^// if defined $ret; return $ret; -} +} #}}} + +sub displaytime ($;$) { #{{{ + # Plugins can override this function to mark up the time to + # display. + return ''.formattime(@_).''; +} #}}} + +sub formattime ($;$) { #{{{ + # Plugins can override this function to format the time. + my $time=shift; + my $format=shift; + if (! defined $format) { + $format=$config{timeformat}; + } + + # strftime doesn't know about encodings, so make sure + # its output is properly treated as utf8 + return decode_utf8(POSIX::strftime($format, localtime($time))); +} #}}} + +sub beautify_urlpath ($) { #{{{ + my $url=shift; + + if ($config{usedirs}) { + $url =~ s!/index.$config{htmlext}$!/!; + } -sub htmllink ($$$;$$$) { #{{{ + # Ensure url is not an empty link, and + # if it's relative, make that explicit to avoid colon confusion. + if ($url !~ /^\//) { + $url="./$url"; + } + + return $url; +} #}}} + +sub urlto ($$;$) { #{{{ + 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 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 $noimageinline=shift; # don't turn links into inline html images - my $forcesubpage=shift; # force a link to a subpage - my $linktext=shift; # set to force the link text to something + my %opts=@_; + + $link=~s/\/$//; my $bestlink; - if (! $forcesubpage) { + if (! $opts{forcesubpage}) { $bestlink=bestlink($lpage, $link); } else { $bestlink="$lpage/".lc($link); } - $linktext=pagetitle(basename($link)) unless defined $linktext; + my $linktext; + if (defined $opts{linktext}) { + $linktext=$opts{linktext}; + } + else { + $linktext=pagetitle(basename($link)); + } - return $linktext if length $bestlink && $page eq $bestlink; + return "$linktext" + if length $bestlink && $page eq $bestlink && + ! defined $opts{anchor}; - # TODO BUG: %renderedfiles may not have it, if the linked to page - # was also added and isn't yet rendered! Note that this bug is - # masked by the bug that makes all new files be rendered twice. - if (! grep { $_ eq $bestlink } values %renderedfiles) { + if (! $destsources{$bestlink}) { $bestlink=htmlpage($bestlink); - } - if (! grep { $_ eq $bestlink } values %renderedfiles) { - return " "create", page => $link, from => $page). - "\">?$linktext" + + if (! $destsources{$bestlink}) { + return $linktext unless length $config{cgiurl}; + return " "create", + page => lc($link), + from => $lpage + ). + "\" rel=\"nofollow\">?$linktext" + } } - $bestlink=abs2rel($bestlink, dirname($page)); + $bestlink=abs2rel($bestlink, dirname(htmlpage($page))); + $bestlink=beautify_urlpath($bestlink); - if (! $noimageinline && isinlinableimage($bestlink)) { + if (! $opts{noimageinline} && isinlinableimage($bestlink)) { return "\"$linktext\""; } - return "$linktext"; + + if (defined $opts{anchor}) { + $bestlink.="#".$opts{anchor}; + } + + my @attrs; + if (defined $opts{rel}) { + push @attrs, ' rel="'.$opts{rel}.'"'; + } + if (defined $opts{class}) { + push @attrs, ' class="'.$opts{class}.'"'; + } + + return "$linktext"; +} #}}} + +sub userlink ($) { #{{{ + my $user=shift; + + my $oiduser=eval { openiduser($user) }; + if (defined $oiduser) { + return "$oiduser"; + } + else { + eval q{use CGI 'escapeHTML'}; + error($@) if $@; + + return htmllink("", "", escapeHTML( + length $config{userdir} ? $config{userdir}."/".$user : $user + ), noimageinline => 1); + } +} #}}} + +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 + $content=~s/^

//i; + $content=~s/<\/p>$//i; + chomp $content; + } + + 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 => $preprocess_preview, + ); + }; + if ($@) { + chomp $@; + $ret="[[!$command ". + gettext("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; + + run_hooks(filter => sub { + $content=shift->(page => $page, destpage => $destpage, + content => $content); + }); + + return $content; } #}}} sub indexlink () { #{{{ return "$config{wikiname}"; } #}}} -sub lockwiki () { #{{{ +my $wikilock; + +sub lockwiki (;$) { #{{{ + my $wait=@_ ? shift : 1; # 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") || + open($wikilock, '>', "$config{wikistatedir}/lockfile") || error ("cannot write to $config{wikistatedir}/lockfile: $!"); - if (! flock(WIKILOCK, 2 | 4)) { - debug("wiki seems to be locked, waiting for lock"); - my $wait=600; # arbitrary, but don't hang forever to - # prevent process pileup - for (1..600) { - return if flock(WIKILOCK, 2 | 4); - sleep 1; + if (! flock($wikilock, 2 | 4)) { # LOCK_EX | LOCK_NB + if ($wait) { + debug("wiki seems to be locked, waiting for lock"); + my $wait=600; # arbitrary, but don't hang forever to + # prevent process pileup + for (1..$wait) { + return if flock($wikilock, 2 | 4); + sleep 1; + } + error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)"); + } + else { + return 0; } - error("wiki is locked; waited $wait seconds without lock being freed (possible stuck process or stale lock?)"); } + return 1; } #}}} sub unlockwiki () { #{{{ - close WIKILOCK; + 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 () { #{{{ - open (IN, "$config{wikistatedir}/index") || return; - while () { - $_=possibly_foolish_untaint($_); - chomp; - my %items; - $items{link}=[]; - foreach my $i (split(/ /, $_)) { - my ($item, $val)=split(/=/, $i, 2); - push @{$items{$item}}, $val; + %oldrenderedfiles=%pagectime=(); + if (! $config{rebuild}) { + %pagesources=%pagemtime=%oldlinks=%links=%depends= + %destsources=%renderedfiles=%pagecase=%pagestate=(); + } + 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 { + return; } + } - next unless exists $items{src}; # skip bad lines for now + my $index=Storable::fd_retrieve($in); + if (! defined $index) { + return 0; + } - my $page=pagename($items{src}[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}; if (! $config{rebuild}) { - $pagesources{$page}=$items{src}[0]; - $oldpagemtime{$page}=$items{mtime}[0]; - $oldlinks{$page}=[@{$items{link}}]; - $links{$page}=[@{$items{link}}]; - $depends{$page}=join(" ", @{$items{depends}}) - if exists $items{depends}; - $renderedfiles{$page}=$items{dest}[0]; + $pagesources{$page}=$src; + $pagemtime{$page}=$d->{mtime}; + $renderedfiles{$page}=$d->{dest}; + if (exists $d->{links} && ref $d->{links}) { + $links{$page}=$d->{links}; + $oldlinks{$page}=[@{$d->{links}}]; + } + if (exists $d->{depends}) { + $depends{$page}=$d->{depends}; + } + if (exists $d->{state}) { + $pagestate{$page}=$d->{state}; + } } - $pagectime{$page}=$items{ctime}[0]; + $oldrenderedfiles{$page}=[@{$d->{dest}}]; } - close IN; + 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}); } - open (OUT, ">$config{wikistatedir}/index") || - error("cannot write to $config{wikistatedir}/index: $!"); - foreach my $page (keys %oldpagemtime) { - next unless $oldpagemtime{$page}; - my $line="mtime=$oldpagemtime{$page} ". - "ctime=$pagectime{$page} ". - "src=$pagesources{$page} ". - "dest=$renderedfiles{$page}"; - $line.=" link=$_" foreach @{$links{$page}}; + 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}) { - $line.=" depends=$_" foreach split " ", $depends{$page}; + $index{page}{$src}{depends} = $depends{$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}; + } + } } - print OUT $line."\n"; } - close OUT; + + $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 $template=shift; + + foreach my $dir ($config{templatedir}, "$installdir/share/ikiwiki/templates") { + return "$dir/$template" if -e "$dir/$template"; + } + return; } #}}} sub template_params (@) { #{{{ - my $filename=shift; - - require HTML::Template; - return filter => sub { + my $filename=template_file(shift); + + if (! defined $filename) { + return if wantarray; + return ""; + } + + my @ret=( + filter => sub { my $text_ref = shift; - $$text_ref=&Encode::decode_utf8($$text_ref); + ${$text_ref} = decode_utf8(${$text_ref}); }, - filename => "$config{templatedir}/$filename", @_; + filename => $filename, + loop_context_vars => 1, + die_on_bad_params => 0, + @_ + ); + return wantarray ? @ret : {@ret}; } #}}} sub template ($;@) { #{{{ - HTML::Template->new(template_params(@_)); + require HTML::Template; + return HTML::Template->new(template_params(@_)); } #}}} -sub misctemplate ($$) { #{{{ +sub misctemplate ($$;@) { #{{{ my $title=shift; my $pagebody=shift; @@ -440,75 +1504,531 @@ sub misctemplate ($$) { #{{{ indexlink => indexlink(), wikiname => $config{wikiname}, pagebody => $pagebody, - styleurl => styleurl(), - baseurl => "$config{url}/", + baseurl => baseurl(), + @_, ); + run_hooks(pagetemplate => sub { + shift->(page => "", destpage => "", template => $template); + }); return $template->output; }#}}} -sub glob_match ($$) { #{{{ +sub hook (@) { # {{{ + my %param=@_; + + if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) { + error 'hook requires type, call, and id parameters'; + } + + return if $param{no_override} && exists $hooks{$param{type}}{$param{id}}; + + $hooks{$param{type}}{$param{id}}=\%param; + return 1; +} # }}} + +sub run_hooks ($$) { # {{{ + # 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 @deferred; + foreach my $id (keys %{$hooks{$type}}) { + if ($hooks{$type}{$id}{last}) { + push @deferred, $id; + next; + } + $sub->($hooks{$type}{$id}{call}); + } + foreach my $id (@deferred) { + $sub->($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_receive () { #{{{ + $hooks{rcs}{rcs_receive}{call}->(); +} #}}} + +sub globlist_to_pagespec ($) { #{{{ + my @globlist=split(' ', shift); + + my (@spec, @skip); + foreach my $glob (@globlist) { + if ($glob=~/^!(.*)/) { + push @skip, $glob; + } + else { + push @spec, $glob; + } + } + + my $spec=join(' or ', @spec); + if (@skip) { + my $skip=join(' and ', @skip); + if (length $spec) { + $spec="$skip and ($spec)"; + } + else { + $spec=$skip; + } + } + return $spec; +} #}}} + +sub is_globlist ($) { #{{{ + my $s=shift; + return ( $s =~ /[^\s]+\s+([^\s]+)/ && $1 ne "and" && $1 ne "or" ); +} #}}} + +sub safequote ($) { #{{{ + my $s=shift; + $s=~s/[{}]//g; + return "q{$s}"; +} #}}} + +sub add_depends ($$) { #{{{ + my $page=shift; + my $pagespec=shift; + + return unless pagespec_valid($pagespec); + + if (! exists $depends{$page}) { + $depends{$page}=$pagespec; + } + else { + $depends{$page}=pagespec_merge($depends{$page}, $pagespec); + } + + return 1; +} # }}} + +sub file_pruned ($$) { #{{{ + require File::Spec; + my $file=File::Spec->canonpath(shift); + my $base=File::Spec->canonpath(shift); + $file =~ s#^\Q$base\E/+##; + + my $regexp='('.join('|', @{$config{wiki_file_prune_regexps}}).')'; + return $file =~ m/$regexp/ && $file ne $base; +} #}}} + +sub gettext { #{{{ + # Only use gettext in the rare cases it's needed. + if ((exists $ENV{LANG} && length $ENV{LANG}) || + (exists $ENV{LC_ALL} && length $ENV{LC_ALL}) || + (exists $ENV{LC_MESSAGES} && length $ENV{LC_MESSAGES})) { + if (! $gettext_obj) { + $gettext_obj=eval q{ + use Locale::gettext q{textdomain}; + Locale::gettext->domain('ikiwiki') + }; + if ($@) { + print STDERR "$@"; + $gettext_obj=undef; + return shift; + } + } + return $gettext_obj->get(shift); + } + else { + return shift; + } +} #}}} + +sub yesno ($) { #{{{ + my $val=shift; + + return (defined $val && lc($val) eq gettext("yes")); +} #}}} + +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 pagespec_merge ($$) { #{{{ + my $a=shift; + my $b=shift; + + return $a if $a eq $b; + + # Support for old-style GlobLists. + if (is_globlist($a)) { + $a=globlist_to_pagespec($a); + } + if (is_globlist($b)) { + $b=globlist_to_pagespec($b); + } + + return "($a) or ($b)"; +} #}}} + +sub pagespec_translate ($) { #{{{ + my $spec=shift; + + # Support for old-style GlobLists. + if (is_globlist($spec)) { + $spec=globlist_to_pagespec($spec); + } + + # Convert spec to perl code. + my $code=""; + while ($spec=~m{ + \s* # ignore whitespace + ( # 1: match a single word + \! # ! + | + \( # ( + | + \) # ) + | + \w+\([^\)]*\) # command(params) + | + [^\s()]+ # any other text + ) + \s* # ignore whitespace + }igx) { + 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"}) { + $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \@_)"; + } + else { + $code.=' 0'; + } + } + else { + $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@_)"; + } + } + + if (! length $code) { + $code=0; + } + + no warnings; + return eval 'sub { my $page=shift; '.$code.' }'; +} #}}} + +sub pagespec_match ($$;@) { #{{{ + my $page=shift; + my $spec=shift; + my @params=@_; + + # Backwards compatability with old calling convention. + if (@params == 1) { + unshift @params, 'location'; + } + + my $sub=pagespec_translate($spec); + return IkiWiki::FailReason->new("syntax error in pagespec \"$spec\"") if $@; + return $sub->($page, @params); +} #}}} + +sub pagespec_valid ($) { #{{{ + my $spec=shift; + + my $sub=pagespec_translate($spec); + return ! $@; +} #}}} + +sub glob2re ($) { #{{{ + my $re=quotemeta(shift); + $re=~s/\\\*/.*/g; + $re=~s/\\\?/./g; + return $re; +} #}}} + +package IkiWiki::FailReason; + +use overload ( #{{{ + '""' => sub { ${$_[0]} }, + '0+' => sub { 0 }, + '!' => sub { bless $_[0], 'IkiWiki::SuccessReason'}, + fallback => 1, +); #}}} + +sub new { #{{{ + my $class = shift; + my $value = shift; + return bless \$value, $class; +} #}}} + +package IkiWiki::SuccessReason; + +use overload ( #{{{ + '""' => sub { ${$_[0]} }, + '0+' => sub { 1 }, + '!' => sub { bless $_[0], 'IkiWiki::FailReason'}, + fallback => 1, +); #}}} + +sub new { #{{{ + my $class = shift; + my $value = shift; + return bless \$value, $class; +}; #}}} + +package IkiWiki::PageSpec; + +sub match_glob ($$;@) { #{{{ my $page=shift; my $glob=shift; + my %params=@_; + + my $from=exists $params{location} ? $params{location} : ''; + + # relative matching + if ($glob =~ m!^\./!) { + $from=~s#/?[^/]+$##; + $glob=~s#^\./##; + $glob="$from/$glob" if length $from; + } - if ($glob =~ /^link\((.+)\)$/) { - my $rev = $links{$page} or return undef; - foreach my $p (@$rev) { - return 1 if lc $p eq $1; + my $regexp=IkiWiki::glob2re($glob); + if ($page=~/^$regexp$/i) { + if (! IkiWiki::isinternal($page) || $params{internal}) { + return IkiWiki::SuccessReason->new("$glob matches $page"); } - return 0; - } elsif ($glob =~ /^backlink\((.+)\)$/) { - my $rev = $links{$1} or return undef; - foreach my $p (@$rev) { - return 1 if lc $p eq $page; + else { + return IkiWiki::FailReason->new("$glob matches $page, but the page is an internal page"); } - return 0; - } else { - # turn glob into safe regexp - $glob=quotemeta($glob); - $glob=~s/\\\*/.*/g; - $glob=~s/\\\?/./g; - $glob=~s!\\/!/!g; - - return $page=~/^$glob$/i; + } + else { + return IkiWiki::FailReason->new("$glob does not match $page"); } } #}}} -sub globlist_match ($$) { #{{{ +sub match_internal ($$;@) { #{{{ + return match_glob($_[0], $_[1], @_, internal => 1) +} #}}} + +sub match_link ($$;@) { #{{{ my $page=shift; - my @globlist=split(" ", shift); + my $link=lc(shift); + my %params=@_; - # check any negated globs first - foreach my $glob (@globlist) { - return 0 if $glob=~/^!(.*)/ && glob_match($page, $1); + my $from=exists $params{location} ? $params{location} : ''; + + # relative matching + if ($link =~ m!^\.! && defined $from) { + $from=~s#/?[^/]+$##; + $link=~s#^\./##; + $link="$from/$link" if length $from; } - foreach my $glob (@globlist) { - return 1 if glob_match($page, $glob); + my $links = $IkiWiki::links{$page}; + return IkiWiki::FailReason->new("$page has no links") unless $links && @{$links}; + my $bestlink = IkiWiki::bestlink($from, $link); + foreach my $p (@{$links}) { + if (length $bestlink) { + return IkiWiki::SuccessReason->new("$page links to $link") + if $bestlink eq IkiWiki::bestlink($page, $p); + } + else { + return IkiWiki::SuccessReason->new("$page links to page $p matching $link") + if match_glob($p, $link, %params); + $p=~s/^\///; + $link=~s/^\///; + return IkiWiki::SuccessReason->new("$page links to page $p matching $link") + if match_glob($p, $link, %params); + } } - - return 0; + return IkiWiki::FailReason->new("$page does not link to $link"); } #}}} -sub hook (@) { # {{{ - my %param=@_; +sub match_backlink ($$;@) { #{{{ + return match_link($_[1], $_[0], @_); +} #}}} + +sub match_created_before ($$;@) { #{{{ + my $page=shift; + my $testpage=shift; + + if (exists $IkiWiki::pagectime{$testpage}) { + if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) { + return IkiWiki::SuccessReason->new("$page created before $testpage"); + } + else { + return IkiWiki::FailReason->new("$page not created before $testpage"); + } + } + else { + return IkiWiki::FailReason->new("$testpage has no ctime"); + } +} #}}} + +sub match_created_after ($$;@) { #{{{ + my $page=shift; + my $testpage=shift; + + if (exists $IkiWiki::pagectime{$testpage}) { + if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) { + return IkiWiki::SuccessReason->new("$page created after $testpage"); + } + else { + return IkiWiki::FailReason->new("$page not created after $testpage"); + } + } + else { + return IkiWiki::FailReason->new("$testpage has no ctime"); + } +} #}}} + +sub match_creation_day ($$;@) { #{{{ + if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) { + return IkiWiki::SuccessReason->new('creation_day matched'); + } + else { + return IkiWiki::FailReason->new('creation_day did not match'); + } +} #}}} + +sub match_creation_month ($$;@) { #{{{ + if ((gmtime($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 ($$;@) { #{{{ + if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) { + return IkiWiki::SuccessReason->new('creation_year matched'); + } + else { + return IkiWiki::FailReason->new('creation_year did not match'); + } +} #}}} + +sub match_user ($$;@) { #{{{ + shift; + my $user=shift; + my %params=@_; - if (! exists $param{type} || ! ref $param{call} || ! exists $param{id}) { - error "hook requires type, call, and id parameters"; + if (! exists $params{user}) { + return IkiWiki::FailReason->new("no user specified"); } + + if (defined $params{user} && lc $params{user} eq lc $user) { + 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 ($$;@) { #{{{ + shift; + shift; + my %params=@_; - $hooks{$param{type}}{$param{id}}=\%param; -} # }}} + if (! exists $params{user}) { + return IkiWiki::FailReason->new("no user specified"); + } -sub run_hooks ($$) { # {{{ - # 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 (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"); + } +} #}}} - if (exists $hooks{$type}) { - foreach my $id (keys %{$hooks{$type}}) { - $sub->($hooks{$type}{$id}{call}); - } +sub match_ip ($$;@) { #{{{ + shift; + my $ip=shift; + my %params=@_; + + if (! exists $params{ip}) { + return IkiWiki::FailReason->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"); } } #}}}