glob2re: return a precompiled, anchored case-insensitive regex

[ikiwiki.git] / IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index aa4dccac3f215c57fc833f1b6efda615eabac6ae..bb7d46ccfb63f8de96a4246b49de1dea67d9b8ea 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -717,7 +717,7 @@ 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} && $page=~/(.*)\/index$/) {
@@ -1124,7 +1124,7 @@ sub isselflink ($$) {
        my $page=shift;
        my $link=shift;
 
-        return $page eq $link;
+       return $page eq $link;
 }
 
 sub htmllink ($$$;@) {
@@ -1519,6 +1519,69 @@ 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 () {
@@ -1941,18 +2004,6 @@ sub rcs_receive () {
        $hooks{rcs}{rcs_receive}{call}->();
 }
 
-sub rcs_preprevert (@) {
-       $hooks{rcs}{rcs_preprevert}{call}->(@_);
-}
-
-sub rcs_revert (@) {
-       $hooks{rcs}{rcs_revert}{call}->(@_);
-}
-
-sub rcs_showpatch (@) {
-       $hooks{rcs}{rcs_showpatch}{call}->(@_);
-}
-
 sub add_depends ($$;$) {
        my $page=shift;
        my $pagespec=shift;
@@ -2337,7 +2388,7 @@ sub glob2re ($) {
        my $re=quotemeta(shift);
        $re=~s/\\\*/.*/g;
        $re=~s/\\\?/./g;
-       return $re;
+       return qr/^$re$/i;
 }
 
 package IkiWiki::FailReason;
@@ -2431,6 +2482,8 @@ sub derel ($$) {
        return $path;
 }
 
+my %glob_cache;
+
 sub match_glob ($$;@) {
        my $page=shift;
        my $glob=shift;
@@ -2438,8 +2491,13 @@ sub match_glob ($$;@) {
        
        $glob=derel($glob, $params{location});
 
-       my $regexp=IkiWiki::glob2re($glob);
-       if ($page=~/^$regexp$/i) {
+       # Instead of converting the glob to a regex every time,
+       # cache the compiled regex to save time.
+       if (!defined $glob_cache{$glob}) {
+               my $re = IkiWiki::glob2re($glob);
+               $glob_cache{$glob} = qr/^$re$/i;
+       }
+       if ($page=~ $glob_cache{$glob}) {
                if (! IkiWiki::isinternal($page) || $params{internal}) {
                        return IkiWiki::SuccessReason->new("$glob matches $page");
                }
@@ -2557,7 +2615,12 @@ sub match_created_after ($$;@) {
 }
 
 sub match_creation_day ($$;@) {
-       if ((localtime($IkiWiki::pagectime{shift()}))[3] == shift) {
+       my $page=shift;
+       my $d=shift;
+       if ($d !~ /^\d+$/) {
+               return IkiWiki::ErrorReason->new("invalid day $d");
+       }
+       if ((localtime($IkiWiki::pagectime{$page}))[3] == $d) {
                return IkiWiki::SuccessReason->new('creation_day matched');
        }
        else {
@@ -2566,7 +2629,12 @@ sub match_creation_day ($$;@) {
 }
 
 sub match_creation_month ($$;@) {
-       if ((localtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift) {
+       my $page=shift;
+       my $m=shift;
+       if ($m !~ /^\d+$/) {
+               return IkiWiki::ErrorReason->new("invalid month $m");
+       }
+       if ((localtime($IkiWiki::pagectime{$page}))[4] + 1 == $m) {
                return IkiWiki::SuccessReason->new('creation_month matched');
        }
        else {
@@ -2575,7 +2643,12 @@ sub match_creation_month ($$;@) {
 }
 
 sub match_creation_year ($$;@) {
-       if ((localtime($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 {