X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/cb2025af4501b4168440bb8583f95ca5836d72ae..18bb93f5744c1b57b929d9f8a6042e51fc5256f0:/IkiWiki.pm diff --git a/IkiWiki.pm b/IkiWiki.pm index ee1ecb58f..140f7f740 100644 --- a/IkiWiki.pm +++ b/IkiWiki.pm @@ -12,9 +12,9 @@ use open qw{:utf8 :std}; use vars qw{%config %links %oldlinks %pagemtime %pagectime %pagecase %pagestate %wikistate %renderedfiles %oldrenderedfiles - %pagesources %destsources %depends %depends_simple @mass_depends - %hooks %forcerebuild %loaded_plugins %typedlinks %oldtypedlinks - %autofiles}; + %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 @@ -441,6 +441,13 @@ sub getsetup () { 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", @@ -494,6 +501,12 @@ sub defaultconfig () { 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 $ENV{LC_ALL}) { @@ -530,7 +543,33 @@ sub checkconfig () { if ($config{cgi} && ! length $config{url}) { error(gettext("Must specify url to wiki with --url when using --cgi")); } - + + if (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 $config{wikistatedir}; @@ -592,10 +631,11 @@ sub loadplugins () { return 1; } -sub loadplugin ($) { +sub loadplugin ($;$) { my $plugin=shift; + my $force=shift; - return if grep { $_ eq $plugin} @{$config{disable_plugins}}; + return if ! $force && grep { $_ eq $plugin} @{$config{disable_plugins}}; foreach my $dir (defined $config{libdir} ? possibly_foolish_untaint($config{libdir}) : undef, "$installdir/lib/ikiwiki") { @@ -709,7 +749,7 @@ sub pagename ($) { my $type=pagetype($file); my $page=$file; - $page=~s/\Q.$type\E*$// + $page=~s/\Q.$type\E*$// if defined $type && !$hooks{htmlize}{$type}{keepextension} && !$hooks{htmlize}{$type}{noextension}; if ($config{indexpages} && $page=~/(.*)\/index$/) { @@ -815,6 +855,17 @@ sub prep_writefile ($$) { if (-l "$destdir/$test") { error("cannot write to a symlink ($test)"); } + if (-f _ && $test ne $file) { + # Remove conflicting file. + foreach my $p (keys %renderedfiles, keys %oldrenderedfiles) { + foreach my $f (@{$renderedfiles{$p}}, @{$oldrenderedfiles{$p}}) { + if ($f eq $test) { + unlink("$destdir/$test"); + last; + } + } + } + } $test=dirname($test); } @@ -868,10 +919,36 @@ sub will_render ($$;$) { my $dest=shift; my $clear=shift; - # Important security check. + # Important security check for independently created files. if (-e "$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"); + 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}) { @@ -965,11 +1042,17 @@ sub linkpage ($) { sub cgiurl (@) { my %params=@_; - my $cgiurl=$config{cgiurl}; + my $cgiurl=$local_cgiurl; + if (exists $params{cgiurl}) { $cgiurl=$params{cgiurl}; delete $params{cgiurl}; } + + unless (%params) { + return $cgiurl; + } + return $cgiurl."?". join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params); } @@ -977,7 +1060,7 @@ sub cgiurl (@) { sub baseurl (;$) { my $page=shift; - return "$config{url}/" if ! defined $page; + return $local_url if ! defined $page; $page=htmlpage($page); $page=~s/[^\/]+$//; @@ -1004,7 +1087,7 @@ sub displaytime ($;$$) { my $time=formattime($_[0], $_[1]); if ($config{html5}) { return ''; } else { @@ -1068,11 +1151,26 @@ sub urlto ($$;$) { 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) @@ -1098,7 +1196,7 @@ sub htmllink ($$$;@) { } return "$linktext" - if length $bestlink && $page eq $bestlink && + if length $bestlink && isselflink($page, $bestlink) && ! defined $opts{anchor}; if (! $destsources{$bestlink}) { @@ -1465,6 +1563,69 @@ sub check_content (@) { 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 () { @@ -1542,6 +1703,12 @@ sub loadindex () { 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; @@ -1609,11 +1776,7 @@ sub loadindex () { sub saveindex () { run_hooks(savestate => sub { shift->() }); - my %hookids; - foreach my $type (keys %hooks) { - $hookids{$_}=1 foreach keys %{$hooks{$type}}; - } - my @hookids=keys %hookids; + my @plugins=keys %loaded_plugins; if (! -d $config{wikistatedir}) { mkdir($config{wikistatedir}); @@ -1647,7 +1810,7 @@ sub saveindex () { } if (exists $pagestate{$page}) { - foreach my $id (@hookids) { + foreach my $id (@plugins) { foreach my $key (keys %{$pagestate{$page}{$id}}) { $index{page}{$src}{state}{$id}{$key}=$pagestate{$page}{$id}{$key}; } @@ -1656,7 +1819,8 @@ sub saveindex () { } $index{state}={}; - foreach my $id (@hookids) { + 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}; } @@ -1676,12 +1840,15 @@ sub template_file ($) { my $name=shift; my $tpage=($name =~ s/^\///) ? $name : "templates/$name"; + my $template; if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) { - $tpage=$pagesources{$tpage}; + $template=srcfile($pagesources{$tpage}, 1); $name.=".tmpl"; } + else { + $template=srcfile($tpage, 1); + } - my $template=srcfile($tpage, 1); if (defined $template) { return $template, $tpage, 1 if wantarray; return $template; @@ -1709,12 +1876,14 @@ sub template_depends ($$;@) { 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); } - - return unless defined $filename; - + my @opts=( filter => sub { my $text_ref = shift; @@ -1739,27 +1908,58 @@ sub template ($;@) { sub misctemplate ($$;@) { my $title=shift; my $content=shift; + my %params=@_; my $template=template("page.tmpl"); + my $page=""; + if (exists $params{page}) { + $page=delete $params{page}; + } run_hooks(pagetemplate => sub { - shift->(page => "", destpage => "", template => $template); + shift->( + page => $page, + destpage => $page, + template => $template, + ); }); + templateactions($template, ""); $template->param( dynamic => 1, - have_actions => 0, # force off title => $title, wikiname => $config{wikiname}, content => $content, baseurl => baseurl(), html5 => $config{html5}, - @_, + %params, ); - + return $template->output; } +sub templateactions ($$) { + my $template=shift; + my $page=shift; + + my $have_actions=0; + my @actions; + run_hooks(pageactions => sub { + push @actions, map { { action => $_ } } + grep { defined } shift->(page => $page); + }); + $template->param(actions => \@actions); + + if ($config{cgiurl} && exists $hooks{auth}) { + $template->param(prefsurl => cgiurl(do => "prefs")); + $have_actions=1; + } + + if ($have_actions || @actions) { + $template->param(have_actions => 1); + } +} + sub hook (@) { my %param=@_; @@ -1808,11 +2008,11 @@ sub rcs_prepedit ($) { $hooks{rcs}{rcs_prepedit}{call}->(@_); } -sub rcs_commit ($$$;$$) { +sub rcs_commit (@) { $hooks{rcs}{rcs_commit}{call}->(@_); } -sub rcs_commit_staged ($$$) { +sub rcs_commit_staged (@) { $hooks{rcs}{rcs_commit_staged}{call}->(@_); } @@ -2232,7 +2432,7 @@ sub glob2re ($) { my $re=quotemeta(shift); $re=~s/\\\*/.*/g; $re=~s/\\\?/./g; - return $re; + return qr/^$re$/i; } package IkiWiki::FailReason; @@ -2311,15 +2511,23 @@ sub derel ($$) { my $path=shift; my $from=shift; - if ($path =~ m!^\./!) { - $from=~s#/?[^/]+$## if defined $from; - $path=~s#^\./##; - $path="$from/$path" if defined $from && length $from; + if ($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 ($$;@) { my $page=shift; my $glob=shift; @@ -2327,13 +2535,14 @@ sub match_glob ($$;@) { $glob=derel($glob, $params{location}); - my $regexp=IkiWiki::glob2re($glob); - if ($page=~/^$regexp$/i) { - if ($params{onlypage} && - ! defined IkiWiki::pagetype($IkiWiki::pagesources{$page})) { - return IkiWiki::FailReason->new("$page is not a page"); - } - elsif (! IkiWiki::isinternal($page) || $params{internal}) { + # 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 { @@ -2346,11 +2555,22 @@ sub match_glob ($$;@) { } sub match_internal ($$;@) { - return match_glob($_[0], $_[1], @_, internal => 1) + return match_glob(shift, shift, @_, internal => 1) } sub match_page ($$;@) { - return match_glob($_[0], $_[1], @_, onlypage => 1) + my $page=shift; + my $match=match_glob($page, shift, @_); + if ($match) { + my $source=exists $IkiWiki::pagesources{$page} ? + $IkiWiki::pagesources{$page} : + $IkiWiki::delpagesources{$page}; + my $type=defined $source ? IkiWiki::pagetype($source) : undef; + if (! defined $type) { + return IkiWiki::FailReason->new("$page is not a page"); + } + } + return $match; } sub match_link ($$;@) { @@ -2371,18 +2591,20 @@ sub match_link ($$;@) { unless $links && @{$links}; my $bestlink = IkiWiki::bestlink($from, $link); foreach my $p (@{$links}) { + next unless (! defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}); + if (length $bestlink) { - if ((!defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}) && $bestlink eq IkiWiki::bestlink($page, $p)) { + if ($bestlink eq IkiWiki::bestlink($page, $p)) { return IkiWiki::SuccessReason->new("$page links to $link$qualifier", $page => $IkiWiki::DEPEND_LINKS, "" => 1) } } else { - if ((!defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p}) && match_glob($p, $link, %params)) { + if (match_glob($p, $link, %params)) { return IkiWiki::SuccessReason->new("$page links to page $p$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1) } my ($p_rel)=$p=~/^\/?(.*)/; $link=~s/^\///; - if ((!defined $linktype || exists $IkiWiki::typedlinks{$page}{$linktype}{$p_rel}) && match_glob($p_rel, $link, %params)) { + if (match_glob($p_rel, $link, %params)) { return IkiWiki::SuccessReason->new("$page links to page $p_rel$qualifier, matching $link", $page => $IkiWiki::DEPEND_LINKS, "" => 1) } } @@ -2437,7 +2659,12 @@ sub match_created_after ($$;@) { } sub match_creation_day ($$;@) { - if ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift) { + my $page=shift; + my $d=shift; + if ($d !~ /^\d+$/) { + return IkiWiki::ErrorReason->new("invalid day $d"); + } + if ((localtime($IkiWiki::pagectime{$page}))[3] == $d) { return IkiWiki::SuccessReason->new('creation_day matched'); } else { @@ -2446,7 +2673,12 @@ sub match_creation_day ($$;@) { } sub match_creation_month ($$;@) { - if ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) { + my $page=shift; + my $m=shift; + if ($m !~ /^\d+$/) { + return IkiWiki::ErrorReason->new("invalid month $m"); + } + if ((localtime($IkiWiki::pagectime{$page}))[4] + 1 == $m) { return IkiWiki::SuccessReason->new('creation_month matched'); } else { @@ -2455,7 +2687,12 @@ sub match_creation_month ($$;@) { } sub match_creation_year ($$;@) { - if ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift) { + my $page=shift; + my $y=shift; + if ($y !~ /^\d+$/) { + return IkiWiki::ErrorReason->new("invalid year $y"); + } + if ((localtime($IkiWiki::pagectime{$page}))[5] + 1900 == $y) { return IkiWiki::SuccessReason->new('creation_year matched'); } else { @@ -2474,7 +2711,7 @@ sub match_user ($$;@) { return IkiWiki::ErrorReason->new("no user specified"); } - if (defined $params{user} && $params{user}=~/^$regexp$/i) { + if (defined $params{user} && $params{user}=~$regexp) { return IkiWiki::SuccessReason->new("user is $user"); } elsif (! defined $params{user}) {