add news item for ikiwiki 3.20140125

[git.ikiwiki.info.git] / IkiWiki.pm

diff --git a/IkiWiki.pm b/IkiWiki.pm
index 203da3ba2d647740e5a3a80193873b39ebd41773..b7080bb0b3ff14f1af78dd1633a1f05ed722d6d6 100644 (file)
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -14,15 +14,15 @@ 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
        %pagestate %wikistate %renderedfiles %oldrenderedfiles
        %pagesources %delpagesources %destsources %depends %depends_simple
        @mass_depends %hooks %forcerebuild %loaded_plugins %typedlinks

-       %oldtypedlinks %autofiles};
+       %oldtypedlinks %autofiles @underlayfiles $lastrev};

 
 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
 
 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
+       displaytime strftime_utf8 will_render gettext ngettext urlto targetpage

        add_underlay pagetitle titlepage linkpage newpagefile
        add_underlay pagetitle titlepage linkpage newpagefile

-       inject add_link add_autofile
+       inject add_link add_autofile useragent

        %config %links %pagestate %wikistate %renderedfiles
        %pagesources %destsources %typedlinks);
 our $VERSION = 3.00; # plugin interface version, next is ikiwiki version
        %config %links %pagestate %wikistate %renderedfiles
        %pagesources %destsources %typedlinks);
 our $VERSION = 3.00; # plugin interface version, next is ikiwiki version


@@ -118,6 +118,29 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
                safe => 0,
                rebuild => 0,
        },

+       cgi_overload_delay => {
+               type => "string",
+               default => '',
+               example => "10",
+               description => "number of seconds to delay CGI requests when overloaded",
+               safe => 1,
+               rebuild => 0,
+       },
+       cgi_overload_message => {
+               type => "string",
+               default => '',
+               example => "Please wait",
+               description => "message to display when overloaded (may contain html)",
+               safe => 1,
+               rebuild => 0,
+       },
+       only_committed_changes => {
+               type => "boolean",
+               default => 0,
+               description => "enable optimization of only refreshing committed changes?",
+               safe => 1,
+               rebuild => 0,
+       },

        rcs => {
                type => "string",
                default => '',
        rcs => {
                type => "string",
                default => '',


@@ -237,8 +260,8 @@ sub getsetup () {
        html5 => {
                type => "boolean",
                default => 0,
        html5 => {
                type => "boolean",
                default => 0,

-               description => "generate HTML5? (experimental)",
-               advanced => 1,
+               description => "generate HTML5?",
+               advanced => 0,

                safe => 1,
                rebuild => 1,
        },
                safe => 1,
                rebuild => 1,
        },


@@ -305,9 +328,9 @@ sub getsetup () {
                rebuild => 0,
        },
        umask => {
                rebuild => 0,
        },
        umask => {

-               type => "integer",
-               example => "022",
-               description => "force ikiwiki to use a particular umask",
+               type => "string",
+               example => "public",
+               description => "force ikiwiki to use a particular umask (keywords public, group or private, or a number)",

                advanced => 1,
                safe => 0, # paranoia
                rebuild => 0,
                advanced => 1,
                safe => 0, # paranoia
                rebuild => 0,


@@ -336,6 +359,14 @@ sub getsetup () {
                safe => 0, # paranoia
                rebuild => 0,
        },
                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,
        include => {
                type => "string",
                default => undef,


@@ -441,6 +472,13 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
                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",
        gettime => {
                type => "internal",
                description => "running in gettime mode",


@@ -470,7 +508,7 @@ sub getsetup () {
        },
        setuptype => {
                type => "internal",
        },
        setuptype => {
                type => "internal",

-               default => "Standard",
+               default => "Yaml",

                description => "perl class to use to dump setup file",
                safe => 0,
                rebuild => 0,
                description => "perl class to use to dump setup file",
                safe => 0,
                rebuild => 0,


@@ -482,6 +520,13 @@ sub getsetup () {
                safe => 0,
                rebuild => 0,
        },
                safe => 0,
                rebuild => 0,
        },

+       cookiejar => {
+               type => "string",
+               default => { file => "$ENV{HOME}/.ikiwiki/cookies" },
+               description => "cookie control",
+               safe => 0, # hooks into perl module internals
+               rebuild => 0,
+       },

 }
 
 sub defaultconfig () {
 }
 
 sub defaultconfig () {


@@ -490,10 +535,15 @@ sub defaultconfig () {
        foreach my $key (keys %s) {
                push @ret, $key, $s{$key}->{default};
        }
        foreach my $key (keys %s) {
                push @ret, $key, $s{$key}->{default};
        }

-       use Data::Dumper;

        return @ret;
 }
 
        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}) {
 sub checkconfig () {
        # locale stuff; avoid LC_ALL since it overrides everything
        if (defined $ENV{LC_ALL}) {


@@ -516,6 +566,12 @@ sub checkconfig () {
                        $ENV{$val}=$config{ENV}{$val};
                }
        }
                        $ENV{$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}};
 
        if ($config{w3mmode}) {
                eval q{use Cwd q{abs_path}};


@@ -530,12 +586,54 @@ sub checkconfig () {
        if ($config{cgi} && ! length $config{url}) {
                error(gettext("Must specify url to wiki with --url when using --cgi"));
        }
        if ($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}) {
        $config{wikistatedir}="$config{srcdir}/.ikiwiki"
                unless exists $config{wikistatedir} && defined $config{wikistatedir};
 
        if (defined $config{umask}) {

-               umask(possibly_foolish_untaint($config{umask}));
+               my $u = possibly_foolish_untaint($config{umask});
+
+               if ($u =~ m/^\d+$/) {
+                       umask($u);
+               }
+               elsif ($u eq 'private') {
+                       umask(077);
+               }
+               elsif ($u eq 'group') {
+                       umask(027);
+               }
+               elsif ($u eq 'public') {
+                       umask(022);
+               }
+               else {
+                       error(sprintf(gettext("unsupported umask setting %s"), $u));
+               }

        }
 
        run_hooks(checkconfig => sub { shift->() });
        }
 
        run_hooks(checkconfig => sub { shift->() });


@@ -710,7 +808,7 @@ sub pagename ($) {
 
        my $type=pagetype($file);
        my $page=$file;
 
        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} && $page=~/(.*)\/index$/) {
                if defined $type && !$hooks{htmlize}{$type}{keepextension}
                        && !$hooks{htmlize}{$type}{noextension};
        if ($config{indexpages} && $page=~/(.*)\/index$/) {


@@ -771,17 +869,23 @@ sub srcfile ($;$) {
        return (srcfile_stat(@_))[0];
 }
 
        return (srcfile_stat(@_))[0];
 }
 

-sub add_underlay ($) {
+sub add_literal_underlay ($) {

        my $dir=shift;
 
        my $dir=shift;
 

-       if ($dir !~ /^\//) {
-               $dir="$config{underlaydirbase}/$dir";
-       }
-

        if (! grep { $_ eq $dir } @{$config{underlaydirs}}) {
                unshift @{$config{underlaydirs}}, $dir;
        }
        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;
 }
 
        return 1;
 }
 


@@ -816,6 +920,17 @@ sub prep_writefile ($$) {
                if (-l "$destdir/$test") {
                        error("cannot write to a symlink ($test)");
                }
                if (-l "$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);
        }
 
                $test=dirname($test);
        }
 


@@ -869,10 +984,36 @@ sub will_render ($$;$) {
        my $dest=shift;
        my $clear=shift;
 
        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}})) {
        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}) {
        }
 
        if (! $clear || $cleared{$page}) {


@@ -931,7 +1072,7 @@ sub bestlink ($$) {
 sub isinlinableimage ($) {
        my $file=shift;
        
 sub isinlinableimage ($) {
        my $file=shift;
        

-       return $file =~ /\.(png|gif|jpg|jpeg)$/i;
+       return $file =~ /\.(png|gif|jpg|jpeg|svg)$/i;

 }
 
 sub pagetitle ($;$) {
 }
 
 sub pagetitle ($;$) {


@@ -966,19 +1107,30 @@ sub linkpage ($) {
 sub cgiurl (@) {
        my %params=@_;
 
 sub cgiurl (@) {
        my %params=@_;
 

-       my $cgiurl=$config{cgiurl};
+       my $cgiurl=$local_cgiurl;
+

        if (exists $params{cgiurl}) {
                $cgiurl=$params{cgiurl};
                delete $params{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);
 }
 
        return $cgiurl."?".
                join("&", map $_."=".uri_escape_utf8($params{$_}), keys %params);
 }
 

+sub cgiurl_abs (@) {
+       eval q{use URI};
+       URI->new_abs(cgiurl(@_), $config{cgiurl});
+}
+

 sub baseurl (;$) {
        my $page=shift;
 
 sub baseurl (;$) {
        my $page=shift;
 

-       return "$config{url}/" if ! defined $page;
+       return $local_url if ! defined $page;

        
        $page=htmlpage($page);
        $page=~s/[^\/]+$//;
        
        $page=htmlpage($page);
        $page=~s/[^\/]+$//;


@@ -986,6 +1138,16 @@ sub baseurl (;$) {
        return $page;
 }
 
        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 ($$) {
        # Work around very innefficient behavior in File::Spec if abs2rel
        # is passed two relative paths. It's much faster if paths are
 sub abs2rel ($$) {
        # Work around very innefficient behavior in File::Spec if abs2rel
        # is passed two relative paths. It's much faster if paths are


@@ -1021,9 +1183,19 @@ sub formattime ($;$) {
                $format=$config{timeformat};
        }
 
                $format=$config{timeformat};
        }
 

+       return strftime_utf8($format, localtime($time));
+}
+
+my $strftime_encoding;
+sub strftime_utf8 {

        # strftime doesn't know about encodings, so make sure
        # strftime doesn't know about encodings, so make sure

-       # its output is properly treated as utf8
-       return decode_utf8(POSIX::strftime($format, localtime($time)));
+       # its output is properly treated as utf8.
+       # Note that this does not handle utf-8 in the format string.
+       ($strftime_encoding) = POSIX::setlocale(&POSIX::LC_TIME) =~ m#\.([^@]+)#
+               unless defined $strftime_encoding;
+       $strftime_encoding
+               ? Encode::decode($strftime_encoding, POSIX::strftime(@_))
+               : POSIX::strftime(@_);

 }
 
 sub date_3339 ($) {
 }
 
 sub date_3339 ($) {


@@ -1052,13 +1224,13 @@ sub beautify_urlpath ($) {
        return $url;
 }
 
        return $url;
 }
 

-sub urlto ($$;$) {
+sub urlto ($;$$) {

        my $to=shift;
        my $from=shift;
        my $absolute=shift;
        
        if (! length $to) {
        my $to=shift;
        my $from=shift;
        my $absolute=shift;
        
        if (! length $to) {

-               return beautify_urlpath(baseurl($from)."index.$config{htmlext}");
+               $to = 'index';

        }
 
        if (! $destsources{$to}) {
        }
 
        if (! $destsources{$to}) {


@@ -1069,11 +1241,26 @@ sub urlto ($$;$) {
                return $config{url}.beautify_urlpath("/".$to);
        }
 
                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);
 }
 
        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 ($$$;@) {
        my $lpage=shift; # the page doing the linking
        my $page=shift; # the page that will contain the link (different for inline)
 sub htmllink ($$$;@) {
        my $lpage=shift; # the page doing the linking
        my $page=shift; # the page that will contain the link (different for inline)


@@ -1099,7 +1286,7 @@ sub htmllink ($$$;@) {
        }
        
        return "<span class=\"selflink\">$linktext</span>"
        }
        
        return "<span class=\"selflink\">$linktext</span>"

-               if length $bestlink && $page eq $bestlink &&
+               if length $bestlink && isselflink($page, $bestlink) &&

                   ! defined $opts{anchor};
        
        if (! $destsources{$bestlink}) {
                   ! defined $opts{anchor};
        
        if (! $destsources{$bestlink}) {


@@ -1111,7 +1298,7 @@ sub htmllink ($$$;@) {
                                $cgilink = "<a href=\"".
                                        cgiurl(
                                                do => "create",
                                $cgilink = "<a href=\"".
                                        cgiurl(
                                                do => "create",

-                                               page => lc($link),
+                                               page => $link,

                                                from => $lpage
                                        )."\" rel=\"nofollow\">?</a>";
                        }
                                                from => $lpage
                                        )."\" rel=\"nofollow\">?</a>";
                        }


@@ -1148,7 +1335,7 @@ sub userpage ($) {
 sub openiduser ($) {
        my $user=shift;
 
 sub openiduser ($) {
        my $user=shift;
 

-       if ($user =~ m!^https?://! &&
+       if (defined $user && $user =~ m!^https?://! &&

            eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
                my $display;
 
            eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
                my $display;
 


@@ -1260,16 +1447,21 @@ sub preprocess ($$$;$$) {
                        # consider it significant.
                        my @params;
                        while ($params =~ m{
                        # consider it significant.
                        my @params;
                        while ($params =~ m{

-                               (?:([-\w]+)=)?          # 1: named parameter key?
+                               (?:([-.\w]+)=)?         # 1: named parameter key?

                                (?:
                                        """(.*?)"""     # 2: triple-quoted value
                                |
                                        "([^"]*?)"      # 3: single-quoted value
                                |
                                (?:
                                        """(.*?)"""     # 2: triple-quoted value
                                |
                                        "([^"]*?)"      # 3: single-quoted value
                                |

-                                       (\S+)           # 4: unquoted value
+                                       '''(.*?)'''     # 4: triple-single-quote
+                               |
+                                       <<([a-zA-Z]+)\n # 5: heredoc start
+                                       (.*?)\n\5       # 6: heredoc value
+                               |
+                                       (\S+)           # 7: unquoted value

                                )
                                (?:\s+|$)               # delimiter to next param
                                )
                                (?:\s+|$)               # delimiter to next param

-                       }sgx) {
+                       }msgx) {

                                my $key=$1;
                                my $val;
                                if (defined $2) {
                                my $key=$1;
                                my $val;
                                if (defined $2) {


@@ -1284,6 +1476,12 @@ sub preprocess ($$$;$$) {
                                elsif (defined $4) {
                                        $val=$4;
                                }
                                elsif (defined $4) {
                                        $val=$4;
                                }

+                               elsif (defined $7) {
+                                       $val=$7;
+                               }
+                               elsif (defined $6) {
+                                       $val=$6;
+                               }

 
                                if (defined $key) {
                                        push @params, $key, $val;
 
                                if (defined $key) {
                                        push @params, $key, $val;


@@ -1346,12 +1544,17 @@ sub preprocess ($$$;$$) {
                        (               # 4: the parameters..
                                \s+     # Must have space if parameters present
                                (?:
                        (               # 4: the parameters..
                                \s+     # Must have space if parameters present
                                (?:

-                                       (?:[-\w]+=)?            # named parameter key?
+                                       (?:[-.\w]+=)?           # named parameter key?

                                        (?:
                                                """.*?"""       # triple-quoted value
                                                |
                                                "[^"]*?"        # single-quoted value
                                                |
                                        (?:
                                                """.*?"""       # 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
                                                [^"\s\]]+       # unquoted value
                                        )
                                        \s*                     # whitespace or end


@@ -1369,12 +1572,17 @@ sub preprocess ($$$;$$) {
                        \s+
                        (               # 4: the parameters..
                                (?:
                        \s+
                        (               # 4: the parameters..
                                (?:

-                                       (?:[-\w]+=)?            # named parameter key?
+                                       (?:[-.\w]+=)?           # named parameter key?

                                        (?:
                                                """.*?"""       # triple-quoted value
                                                |
                                                "[^"]*?"        # single-quoted value
                                                |
                                        (?:
                                                """.*?"""       # 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
                                                [^"\s\]]+       # unquoted value
                                        )
                                        \s*                     # whitespace or end


@@ -1466,6 +1674,69 @@ sub check_content (@) {
        return defined $ok ? $ok : 1;
 }
 
        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 () {
 my $wikilock;
 
 sub lockwiki () {


@@ -1517,7 +1788,8 @@ sub enable_commit_hook () {
 
 sub loadindex () {
        %oldrenderedfiles=%pagectime=();
 
 sub loadindex () {
        %oldrenderedfiles=%pagectime=();

-       if (! $config{rebuild}) {
+       my $rebuild=$config{rebuild};
+       if (! $rebuild) {

                %pagesources=%pagemtime=%oldlinks=%links=%depends=
                %destsources=%renderedfiles=%pagecase=%pagestate=
                %depends_simple=%typedlinks=%oldtypedlinks=();
                %pagesources=%pagemtime=%oldlinks=%links=%depends=
                %destsources=%renderedfiles=%pagecase=%pagestate=
                %depends_simple=%typedlinks=%oldtypedlinks=();


@@ -1543,6 +1815,12 @@ sub loadindex () {
        if (exists $index->{version} && ! ref $index->{version}) {
                $pages=$index->{page};
                %wikistate=%{$index->{state}};
        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;
        }
        else {
                $pages=$index;


@@ -1551,10 +1829,16 @@ sub loadindex () {
 
        foreach my $src (keys %$pages) {
                my $d=$pages->{$src};
 
        foreach my $src (keys %$pages) {
                my $d=$pages->{$src};

-               my $page=pagename($src);
+               my $page;
+               if (exists $d->{page} && ! $rebuild) {
+                       $page=$d->{page};
+               }
+               else {
+                       $page=pagename($src);
+               }

                $pagectime{$page}=$d->{ctime};
                $pagesources{$page}=$src;
                $pagectime{$page}=$d->{ctime};
                $pagesources{$page}=$src;

-               if (! $config{rebuild}) {
+               if (! $rebuild) {

                        $pagemtime{$page}=$d->{mtime};
                        $renderedfiles{$page}=$d->{dest};
                        if (exists $d->{links} && ref $d->{links}) {
                        $pagemtime{$page}=$d->{mtime};
                        $renderedfiles{$page}=$d->{dest};
                        if (exists $d->{links} && ref $d->{links}) {


@@ -1604,17 +1888,15 @@ sub loadindex () {
        foreach my $page (keys %renderedfiles) {
                $destsources{$_}=$page foreach @{$renderedfiles{$page}};
        }
        foreach my $page (keys %renderedfiles) {
                $destsources{$_}=$page foreach @{$renderedfiles{$page}};
        }

+       $lastrev=$index->{lastrev};
+       @underlayfiles=@{$index->{underlayfiles}} if ref $index->{underlayfiles};

        return close($in);
 }
 
 sub saveindex () {
        run_hooks(savestate => sub { shift->() });
 
        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;
+       my @plugins=keys %loaded_plugins;

 
        if (! -d $config{wikistatedir}) {
                mkdir($config{wikistatedir});
 
        if (! -d $config{wikistatedir}) {
                mkdir($config{wikistatedir});


@@ -1629,6 +1911,7 @@ sub saveindex () {
                my $src=$pagesources{$page};
 
                $index{page}{$src}={
                my $src=$pagesources{$page};
 
                $index{page}{$src}={

+                       page => $page,

                        ctime => $pagectime{$page},
                        mtime => $pagemtime{$page},
                        dest => $renderedfiles{$page},
                        ctime => $pagectime{$page},
                        mtime => $pagemtime{$page},
                        dest => $renderedfiles{$page},


@@ -1648,21 +1931,21 @@ sub saveindex () {
                }
 
                if (exists $pagestate{$page}) {
                }
 
                if (exists $pagestate{$page}) {

-                       foreach my $id (@hookids) {
-                               foreach my $key (keys %{$pagestate{$page}{$id}}) {
-                                       $index{page}{$src}{state}{$id}{$key}=$pagestate{$page}{$id}{$key};
-                               }
-                       }
+                       $index{page}{$src}{state}=$pagestate{$page};

                }
        }
 
        $index{state}={};
                }
        }
 
        $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};
                }
        }
        
                foreach my $key (keys %{$wikistate{$id}}) {
                        $index{state}{$id}{$key}=$wikistate{$id}{$key};
                }
        }
        

+       $index{lastrev}=$lastrev;
+       $index{underlayfiles}=\@underlayfiles;
+

        $index{version}="3";
        my $ret=Storable::nstore_fd(\%index, $out);
        return if ! defined $ret || ! $ret;
        $index{version}="3";
        my $ret=Storable::nstore_fd(\%index, $out);
        return if ! defined $ret || ! $ret;


@@ -1677,12 +1960,15 @@ sub template_file ($) {
        my $name=shift;
        
        my $tpage=($name =~ s/^\///) ? $name : "templates/$name";
        my $name=shift;
        
        my $tpage=($name =~ s/^\///) ? $name : "templates/$name";

+       my $template;

        if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) {
        if ($name !~ /\.tmpl$/ && exists $pagesources{$tpage}) {

-               $tpage=$pagesources{$tpage};
+               $template=srcfile($pagesources{$tpage}, 1);

                $name.=".tmpl";
        }
                $name.=".tmpl";
        }

+       else {
+               $template=srcfile($tpage, 1);
+       }

 
 

-       my $template=srcfile($tpage, 1);

        if (defined $template) {
                return $template, $tpage, 1 if wantarray;
                return $template;
        if (defined $template) {
                return $template, $tpage, 1 if wantarray;
                return $template;


@@ -1710,12 +1996,14 @@ sub template_depends ($$;@) {
        my $page=shift;
        
        my ($filename, $tpage, $untrusted)=template_file($name);
        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);
        }
        if (defined $page && defined $tpage) {
                add_depends($page, $tpage);
        }

-
-       return unless defined $filename;
-
+       

        my @opts=(
                filter => sub {
                        my $text_ref = shift;
        my @opts=(
                filter => sub {
                        my $text_ref = shift;


@@ -1723,6 +2011,7 @@ sub template_depends ($$;@) {
                },
                loop_context_vars => 1,
                die_on_bad_params => 0,
                },
                loop_context_vars => 1,
                die_on_bad_params => 0,

+               parent_global_vars => 1,

                filename => $filename,
                @_,
                ($untrusted ? (no_includes => 1) : ()),
                filename => $filename,
                @_,
                ($untrusted ? (no_includes => 1) : ()),


@@ -1737,39 +2026,6 @@ sub template ($;@) {
        template_depends(shift, undef, @_);
 }
 
        template_depends(shift, undef, @_);
 }
 

-sub misctemplate ($$;@) {
-       my $title=shift;
-       my $content=shift;
-       my %params=@_;
-       
-       my $template=template("page.tmpl");
-
-       my $page="";
-       if (exists $params{page}) {
-               $page=delete $params{page};
-       }
-       run_hooks(pagetemplate => sub {
-               shift->(
-                       page => $page,
-                       destpage => $page,
-                       template => $template,
-               );
-       });
-       templateactions($template, "");
-
-       $template->param(
-               dynamic => 1,
-               title => $title,
-               wikiname => $config{wikiname},
-               content => $content,
-               baseurl => baseurl(),
-               html5 => $config{html5},
-               %params,
-       );
-       
-       return $template->output;
-}
-

 sub templateactions ($$) {
        my $template=shift;
        my $page=shift;
 sub templateactions ($$) {
        my $template=shift;
        my $page=shift;


@@ -1840,11 +2096,11 @@ sub rcs_prepedit ($) {
        $hooks{rcs}{rcs_prepedit}{call}->(@_);
 }
 
        $hooks{rcs}{rcs_prepedit}{call}->(@_);
 }
 

-sub rcs_commit ($$$;$$) {
+sub rcs_commit (@) {

        $hooks{rcs}{rcs_commit}{call}->(@_);
 }
 
        $hooks{rcs}{rcs_commit}{call}->(@_);
 }
 

-sub rcs_commit_staged ($$$) {
+sub rcs_commit_staged (@) {

        $hooks{rcs}{rcs_commit_staged}{call}->(@_);
 }
 
        $hooks{rcs}{rcs_commit_staged}{call}->(@_);
 }
 


@@ -1864,7 +2120,7 @@ sub rcs_recentchanges ($) {
        $hooks{rcs}{rcs_recentchanges}{call}->(@_);
 }
 
        $hooks{rcs}{rcs_recentchanges}{call}->(@_);
 }
 

-sub rcs_diff ($) {
+sub rcs_diff ($;$) {

        $hooks{rcs}{rcs_diff}{call}->(@_);
 }
 
        $hooks{rcs}{rcs_diff}{call}->(@_);
 }
 


@@ -2041,6 +2297,13 @@ sub add_autofile ($$$) {
        $autofiles{$file}{generator}=$generator;
 }
 
        $autofiles{$file}{generator}=$generator;
 }
 

+sub useragent () {
+       return LWP::UserAgent->new(
+               cookie_jar => $config{cookiejar},
+               env_proxy => 1,         # respect proxy env vars
+       );
+}
+

 sub sortspec_translate ($$) {
        my $spec = shift;
        my $reverse = shift;
 sub sortspec_translate ($$) {
        my $spec = shift;
        my $reverse = shift;


@@ -2264,7 +2527,7 @@ sub glob2re ($) {
        my $re=quotemeta(shift);
        $re=~s/\\\*/.*/g;
        $re=~s/\\\?/./g;
        my $re=quotemeta(shift);
        $re=~s/\\\*/.*/g;
        $re=~s/\\\?/./g;

-       return $re;
+       return qr/^$re$/i;

 }
 
 package IkiWiki::FailReason;
 }
 
 package IkiWiki::FailReason;


@@ -2343,15 +2606,23 @@ sub derel ($$) {
        my $path=shift;
        my $from=shift;
 
        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;
 }
 
        }
 
        return $path;
 }
 

+my %glob_cache;
+

 sub match_glob ($$;@) {
        my $page=shift;
        my $glob=shift;
 sub match_glob ($$;@) {
        my $page=shift;
        my $glob=shift;


@@ -2359,8 +2630,13 @@ sub match_glob ($$;@) {
        
        $glob=derel($glob, $params{location});
 
        
        $glob=derel($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.
+       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 $page");
                }
                if (! IkiWiki::isinternal($page) || $params{internal}) {
                        return IkiWiki::SuccessReason->new("$glob matches $page");
                }


@@ -2380,13 +2656,16 @@ sub match_internal ($$;@) {
 sub match_page ($$;@) {
        my $page=shift;
        my $match=match_glob($page, shift, @_);
 sub match_page ($$;@) {
        my $page=shift;
        my $match=match_glob($page, shift, @_);

-       if ($match && ! (exists $IkiWiki::pagesources{$page}
-           && defined IkiWiki::pagetype($IkiWiki::pagesources{$page}))) {
-               return IkiWiki::FailReason->new("$page is not a page");
-       }
-       else {
-               return $match;
+       if ($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 ($$;@) {
 }
 
 sub match_link ($$;@) {


@@ -2429,8 +2708,14 @@ sub match_link ($$;@) {
 }
 
 sub match_backlink ($$;@) {
 }
 
 sub match_backlink ($$;@) {

-       my $ret=match_link($_[1], $_[0], @_);
-       $ret->influences($_[1] => $IkiWiki::DEPEND_LINKS);
+       my $page=shift;
+       my $testpage=shift;
+       my %params=@_;
+       if ($testpage eq '.') {
+               $testpage = $params{'location'}
+       }
+       my $ret=match_link($testpage, $page, @_);
+       $ret->influences($testpage => $IkiWiki::DEPEND_LINKS);

        return $ret;
 }
 
        return $ret;
 }
 


@@ -2475,7 +2760,12 @@ sub match_created_after ($$;@) {
 }
 
 sub match_creation_day ($$;@) {
 }
 
 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 {
                return IkiWiki::SuccessReason->new('creation_day matched');
        }
        else {


@@ -2484,7 +2774,12 @@ sub match_creation_day ($$;@) {
 }
 
 sub match_creation_month ($$;@) {
 }
 
 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 {
                return IkiWiki::SuccessReason->new('creation_month matched');
        }
        else {


@@ -2493,7 +2788,12 @@ sub match_creation_month ($$;@) {
 }
 
 sub match_creation_year ($$;@) {
 }
 
 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 {
                return IkiWiki::SuccessReason->new('creation_year matched');
        }
        else {


@@ -2506,13 +2806,13 @@ sub match_user ($$;@) {
        my $user=shift;
        my %params=@_;
        
        my $user=shift;
        my %params=@_;
        

-       my $regexp=IkiWiki::glob2re($user);
-       

        if (! exists $params{user}) {
                return IkiWiki::ErrorReason->new("no user specified");
        }
 
        if (! exists $params{user}) {
                return IkiWiki::ErrorReason->new("no user specified");
        }
 

-       if (defined $params{user} && $params{user}=~/^$regexp$/i) {
+       my $regexp=IkiWiki::glob2re($user);
+       
+       if (defined $params{user} && $params{user}=~$regexp) {

                return IkiWiki::SuccessReason->new("user is $user");
        }
        elsif (! defined $params{user}) {
                return IkiWiki::SuccessReason->new("user is $user");
        }
        elsif (! defined $params{user}) {


@@ -2551,8 +2851,10 @@ sub match_ip ($$;@) {
        if (! exists $params{ip}) {
                return IkiWiki::ErrorReason->new("no IP specified");
        }
        if (! exists $params{ip}) {
                return IkiWiki::ErrorReason->new("no IP specified");
        }

+       
+       my $regexp=IkiWiki::glob2re(lc $ip);

 
 

-       if (defined $params{ip} && lc $params{ip} eq lc $ip) {
+       if (defined $params{ip} && lc $params{ip}=~$regexp) {

                return IkiWiki::SuccessReason->new("IP is $ip");
        }
        else {
                return IkiWiki::SuccessReason->new("IP is $ip");
        }
        else {


@@ -2575,6 +2877,7 @@ sub cmp_title {
        IkiWiki::pagetitle(IkiWiki::basename($b))
 }
 
        IkiWiki::pagetitle(IkiWiki::basename($b))
 }
 

+sub cmp_path { IkiWiki::pagetitle($a) cmp IkiWiki::pagetitle($b) }

 sub cmp_mtime { $IkiWiki::pagemtime{$b} <=> $IkiWiki::pagemtime{$a} }
 sub cmp_age { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} }
 
 sub cmp_mtime { $IkiWiki::pagemtime{$b} <=> $IkiWiki::pagemtime{$a} }
 sub cmp_age { $IkiWiki::pagectime{$b} <=> $IkiWiki::pagectime{$a} }