]> git.vanrenterghem.biz Git - git.ikiwiki.info.git/blobdiff - IkiWiki.pm
web commit by HenrikBrixAndersen: The first proposed patch was broken, this one works
[git.ikiwiki.info.git] / IkiWiki.pm
index 679ca716e72c171665a1bddd01adb65cca167483..fdb62f7da028f88c139b76949427fb7867767b67 100644 (file)
@@ -18,7 +18,7 @@ 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
                  %config %links %renderedfiles %pagesources %destsources);
-our $VERSION = 1.02; # plugin interface version, next is ikiwiki version
+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
 
@@ -31,8 +31,23 @@ memoize("file_pruned");
 sub defaultconfig () { #{{{
        wiki_file_prune_regexps => [qr/\.\./, qr/^\./, qr/\/\./,
                qr/\.x?html?$/, qr/\.ikiwiki-new$/,
-               qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//],
-       wiki_link_regexp => qr/\[\[(?:([^\]\|]+)\|)?([^\s\]#]+)(?:#([^\s\]]+))?\]\]/,
+               qr/(^|\/).svn\//, qr/.arch-ids\//, qr/{arch}\//,
+               qr/\.dpkg-tmp$/],
+       wiki_link_regexp => qr{
+               \[\[                    # beginning of link
+               (?:
+                       ([^\]\|]+)      # 1: link text
+                       \|              # followed by '|'
+               )?                      # optional
+
+               ([^\s\]#]+)             # 2: page to link to
+               (?:
+                       \#              # '#', beginning of anchor
+                       ([^\s\]]+)      # 3: anchor text
+               )?                      # optional
+
+               \]\]                    # end of link
+       }x,
        wiki_file_regexp => qr/(^[-[:alnum:]_.:\/+]+$)/,
        web_commit_regexp => qr/^web commit (by (.*?(?=: |$))|from (\d+\.\d+\.\d+\.\d+)):?(.*)/,
        verbose => 0,
@@ -68,15 +83,16 @@ sub defaultconfig () { #{{{
        setup => undef,
        adminuser => undef,
        adminemail => undef,
-       plugin => [qw{mdwn inline htmlscrubber passwordauth signinedit
+       plugin => [qw{mdwn inline htmlscrubber passwordauth openid signinedit
                      lockedit conditional}],
        timeformat => '%c',
        locale => undef,
        sslcookie => 0,
        httpauth => 0,
        userdir => "",
-       usedirs => 0,
+       usedirs => 1,
        numbacklinks => 10,
+       account_creation_password => "",
 } #}}}
    
 sub checkconfig () { #{{{
@@ -177,7 +193,7 @@ sub log_message ($$) { #{{{
                        $log_open=1;
                }
                eval {
-                       Sys::Syslog::syslog($type, "%s", join(" ", @_));
+                       Sys::Syslog::syslog($type, "[$config{wikiname}] %s", join(" ", @_));
                };
        }
        elsif (! $config{cgi}) {
@@ -190,7 +206,7 @@ sub log_message ($$) { #{{{
 
 sub possibly_foolish_untaint ($) { #{{{
        my $tainted=shift;
-       my ($untainted)=$tainted=~/(.*)/;
+       my ($untainted)=$tainted=~/(.*)/s;
        return $untainted;
 } #}}}
 
@@ -361,8 +377,14 @@ sub bestlink ($$) { #{{{
                }
        } while $cwd=~s!/?[^/]+$!!;
 
-       if (length $config{userdir} && exists $links{"$config{userdir}/".lc($link)}) {
-               return "$config{userdir}/".lc($link);
+       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";
@@ -591,7 +613,17 @@ sub preprocess ($$$;$$) { #{{{
                        # Note: preserve order of params, some plugins may
                        # consider it significant.
                        my @params;
-                       while ($params =~ /(?:(\w+)=)?(?:"""(.*?)"""|"([^"]+)"|(\S+))(?:\s+|$)/sg) {
+                       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) {
@@ -635,20 +667,42 @@ sub preprocess ($$$;$$) { #{{{
                        return $ret;
                }
                else {
-                       return "[[$command $params]]";
+                       return "\\[[$command $params]]";
                }
        };
        
-       $content =~ s{(\\?)\[\[(\w+)\s+((?:(?:\w+=)?(?:""".*?"""|"[^"]+"|[^\s\]]+)\s*)*)\]\]}{$handle->($1, $2, $3)}seg;
+       $content =~ s{
+               (\\?)           # 1: escape?
+               \[\[            # directive open
+               (\w+)           # 2: command
+               \s+
+               (               # 3: the parameters..
+                       (?:
+                               (?:\w+=)?               # named parameter key?
+                               (?:
+                                       """.*?"""       # triple-quoted value
+                                       |
+                                       "[^"]+"         # single-quoted value
+                                       |
+                                       [^\s\]]+        # unquoted value
+                               )
+                               \s*                     # whitespace or end
+                                                       # of directive
+                       )
+               *)              # 0 or more parameters
+               \]\]            # directive closed
+       }{$handle->($1, $2, $3)}sexg;
        return $content;
 } #}}}
 
-sub filter ($$) { #{{{
+sub filter ($$$) { #{{{
        my $page=shift;
+       my $destpage=shift;
        my $content=shift;
 
        run_hooks(filter => sub {
-               $content=shift->(page => $page, content => $content);
+               $content=shift->(page => $page, destpage => $destpage, 
+                       content => $content);
        });
 
        return $content;
@@ -658,7 +712,8 @@ sub indexlink () { #{{{
        return "<a href=\"$config{url}\">$config{wikiname}</a>";
 } #}}}
 
-sub lockwiki () { #{{{
+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 $config{wikistatedir}) {
@@ -667,15 +722,21 @@ sub lockwiki () { #{{{
        open(WIKILOCK, ">$config{wikistatedir}/lockfile") ||
                error ("cannot write to $config{wikistatedir}/lockfile: $!");
        if (! flock(WIKILOCK, 2 | 4)) { # LOCK_EX | LOCK_NB
-               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;
+               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 () { #{{{
@@ -729,9 +790,9 @@ sub loadindex () { #{{{
                        $depends{$page}=$items{depends}[0] if exists $items{depends};
                        $destsources{$_}=$page foreach @{$items{dest}};
                        $renderedfiles{$page}=[@{$items{dest}}];
-                       $oldrenderedfiles{$page}=[@{$items{dest}}];
                        $pagecase{lc $page}=$page;
                }
+               $oldrenderedfiles{$page}=[@{$items{dest}}];
                $pagectime{$page}=$items{ctime}[0];
        }
        close IN;
@@ -960,7 +1021,21 @@ sub pagespec_translate ($) { #{{{
 
        # Convert spec to perl code.
        my $code="";
-       while ($spec=~m/\s*(\!|\(|\)|\w+\([^\)]+\)|[^\s()]+)\s*/ig) {
+       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") {
                        $code.=" &&";
@@ -973,42 +1048,74 @@ sub pagespec_translate ($) { #{{{
                }
                elsif ($word =~ /^(\w+)\((.*)\)$/) {
                        if (exists $IkiWiki::PageSpec::{"match_$1"}) {
-                               $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \$from)";
+                               $code.="IkiWiki::PageSpec::match_$1(\$page, ".safequote($2).", \@params)";
                        }
                        else {
                                $code.=" 0";
                        }
                }
                else {
-                       $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \$from)";
+                       $code.=" IkiWiki::PageSpec::match_glob(\$page, ".safequote($word).", \@params)";
                }
        }
 
        return $code;
 } #}}}
 
-sub pagespec_match ($$;$) { #{{{
+sub pagespec_match ($$;@) { #{{{
        my $page=shift;
        my $spec=shift;
-       my $from=shift;
+       my @params=@_;
 
-       return eval pagespec_translate($spec);
+       # Backwards compatability with old calling convention.
+       if (@params == 1) {
+               unshift @params, "location";
+       }
+
+       my $ret=eval pagespec_translate($spec);
+       return IkiWiki::FailReason->new("syntax error") if $@;
+       return $ret;
 } #}}}
 
+package IkiWiki::FailReason;
+
+use overload ( #{{{
+       '""'    => sub { ${$_[0]} },
+       '0+'    => sub { 0 },
+       '!'     => sub { bless $_[0], 'IkiWiki::SuccessReason'},
+       fallback => 1,
+); #}}}
+
+sub new { #{{{
+       bless \$_[1], $_[0];
+} #}}}
+
+package IkiWiki::SuccessReason;
+
+use overload ( #{{{
+       '""'    => sub { ${$_[0]} },
+       '0+'    => sub { 1 },
+       '!'     => sub { bless $_[0], 'IkiWiki::FailReason'},
+       fallback => 1,
+); #}}}
+
+sub new { #{{{
+       bless \$_[1], $_[0];
+}; #}}}
+
 package IkiWiki::PageSpec;
 
-sub match_glob ($$$) { #{{{
+sub match_glob ($$;@) { #{{{
        my $page=shift;
        my $glob=shift;
-       my $from=shift;
-       if (! defined $from){
-               $from = "";
-       }
-
+       my %params=@_;
+       
+       my $from=exists $params{location} ? $params{location} : "";
+       
        # relative matching
        if ($glob =~ m!^\./!) {
-               $from=~s!/?[^/]+$!!;
-               $glob=~s!^\./!!;
+               $from=~s#/?[^/]+$##;
+               $glob=~s#^\./##;
                $glob="$from/$glob" if length $from;
        }
 
@@ -1017,72 +1124,121 @@ sub match_glob ($$$) { #{{{
        $glob=~s/\\\*/.*/g;
        $glob=~s/\\\?/./g;
 
-       return $page=~/^$glob$/i;
+       if ($page=~/^$glob$/i) {
+               return IkiWiki::SuccessReason->new("$glob matches $page");
+       }
+       else {
+               return IkiWiki::FailReason->new("$glob does not match $page");
+       }
 } #}}}
 
-sub match_link ($$$) { #{{{
+sub match_link ($$;@) { #{{{
        my $page=shift;
        my $link=lc(shift);
-       my $from=shift;
-       if (! defined $from){
-               $from = "";
-       }
+       my %params=@_;
+
+       my $from=exists $params{location} ? $params{location} : "";
 
        # relative matching
        if ($link =~ m!^\.! && defined $from) {
-               $from=~s!/?[^/]+$!!;
-               $link=~s!^\./!!;
+               $from=~s#/?[^/]+$##;
+               $link=~s#^\./##;
                $link="$from/$link" if length $from;
        }
 
        my $links = $IkiWiki::links{$page} or return undef;
-       return 0 unless @$links;
+       return IkiWiki::FailReason->new("$page has no links") unless @$links;
        my $bestlink = IkiWiki::bestlink($from, $link);
-       return 0 unless length $bestlink;
        foreach my $p (@$links) {
-               return 1 if $bestlink eq IkiWiki::bestlink($page, $p);
+               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 matching $link")
+                               if match_glob($p, $link, %params);
+               }
        }
-       return 0;
+       return IkiWiki::FailReason->new("$page does not link to $link");
 } #}}}
 
-sub match_backlink ($$$) { #{{{
-       match_link($_[1], $_[0], $_[3]);
+sub match_backlink ($$;@) { #{{{
+       match_link($_[1], $_[0], @_);
 } #}}}
 
-sub match_created_before ($$$) { #{{{
+sub match_created_before ($$;@) { #{{{
        my $page=shift;
        my $testpage=shift;
 
        if (exists $IkiWiki::pagectime{$testpage}) {
-               return $IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage};
+               if ($IkiWiki::pagectime{$page} < $IkiWiki::pagectime{$testpage}) {
+                       IkiWiki::SuccessReason->new("$page created before $testpage");
+               }
+               else {
+                       IkiWiki::FailReason->new("$page not created before $testpage");
+               }
        }
        else {
-               return 0;
+               return IkiWiki::FailReason->new("$testpage has no ctime");
        }
 } #}}}
 
-sub match_created_after ($$$) { #{{{
+sub match_created_after ($$;@) { #{{{
        my $page=shift;
        my $testpage=shift;
 
        if (exists $IkiWiki::pagectime{$testpage}) {
-               return $IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage};
+               if ($IkiWiki::pagectime{$page} > $IkiWiki::pagectime{$testpage}) {
+                       IkiWiki::SuccessReason->new("$page created after $testpage");
+               }
+               else {
+                       IkiWiki::FailReason->new("$page not created after $testpage");
+               }
        }
        else {
-               return 0;
+               return IkiWiki::FailReason->new("$testpage has no ctime");
        }
 } #}}}
 
-sub match_creation_day ($$$) { #{{{
-       return ((gmtime($IkiWiki::pagectime{shift()}))[3] == shift);
+sub match_creation_day ($$;@) { #{{{
+       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 ($$$) { #{{{
-       return ((gmtime($IkiWiki::pagectime{shift()}))[4] + 1 == shift);
+sub match_creation_month ($$;@) { #{{{
+       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 ($$$) { #{{{
-       return ((gmtime($IkiWiki::pagectime{shift()}))[5] + 1900 == shift);
+sub match_creation_year ($$;@) { #{{{
+       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=@_;
+
+       return IkiWiki::FailReason->new("cannot match user") unless exists $params{user};
+       if ($user eq $params{user}) {
+               return IkiWiki::SuccessReason->new("user is $user")
+       }
+       else {
+               return IkiWiki::FailReason->new("user is not $user");
+       }
 } #}}}
 
 1