up
[ikiwiki.git] / ikiwiki
diff --git a/ikiwiki b/ikiwiki
index 044fde11b811fff0d028d96e708925912b6cb4b6..f533cd09686a1bfc29a390ca1cd4c61602bb54ad 100755 (executable)
--- a/ikiwiki
+++ b/ikiwiki
@@ -17,12 +17,13 @@ my ($srcdir, $destdir, %links, %oldlinks, %oldpagemtime, %renderedfiles,
     %pagesources);
 my $wiki_link_regexp=qr/\[\[([^\s]+)\]\]/;
 my $wiki_file_regexp=qr/(^[-A-Za-z0-9_.:\/+]+$)/;
-my $wiki_file_prune_regexp=qr!((^|/).svn/|\.\.)!;
+my $wiki_file_prune_regexp=qr!((^|/).svn/|\.\.|^\.|\/\.|\.html?$)!;
 my $verbose=0;
 my $wikiname="wiki";
 my $default_pagetype=".mdwn";
 my $cgi=0;
 my $url="";
+my $cgiurl="";
 my $svn=1;
 
 sub usage {
@@ -166,9 +167,10 @@ sub isinlinableimage ($) {
        $file=~/\.(png|gif|jpg|jpeg)$/;
 }
 
-sub htmllink ($$) {
+sub htmllink {
        my $page=shift;
        my $link=shift;
+       my $noimagelink=shift;
 
        my $bestlink=bestlink($page, $link);
 
@@ -182,12 +184,12 @@ sub htmllink ($$) {
                $bestlink=htmlpage($bestlink);
        }
        if (! grep { $_ eq $bestlink } values %renderedfiles) {
-               return "<a href=\"?\">?</a>$link"
+               return "<a href=\"$cgiurl?do=create&page=$link&from=$page\">?</a>$link"
        }
        
        $bestlink=File::Spec->abs2rel($bestlink, dirname($page));
        
-       if (isinlinableimage($bestlink)) {
+       if (! $noimagelink && isinlinableimage($bestlink)) {
                return "<img src=\"$bestlink\">";
        }
        return "<a href=\"$bestlink\">$link</a>";
@@ -262,8 +264,15 @@ sub finalize ($$) {
        $path=~s/\.\.\/$/index.html/;
        $pagelink="<a href=\"$path\">$wikiname</a>/ $pagelink";
        
+       my @actions;
+       if (length $cgiurl) {
+               push @actions, "<a href=\"$cgiurl?do=edit&page=$page\">Edit</a>";
+               push @actions, "<a href=\"$cgiurl?do=recentchanges\">RecentChanges</a>";
+       }
+       
        $content="<html>\n<head><title>$title</title></head>\n<body>\n".
                  "<h1>$pagelink</h1>\n".
+                 "@actions\n<hr>\n".
                  $content.
                  "</body>\n</html>\n";
        
@@ -316,9 +325,9 @@ sub loadindex () {
 sub saveindex () {
        open (OUT, ">$srcdir/.index") || error("cannot write to .index: $!");
        foreach my $page (keys %oldpagemtime) {
-       print OUT "$oldpagemtime{$page} $pagesources{$page} $renderedfiles{$page} ".
-                 join(" ", @{$links{$page}})."\n"
-                       if $oldpagemtime{$page};
+               print OUT "$oldpagemtime{$page} $pagesources{$page} $renderedfiles{$page} ".
+                       join(" ", @{$links{$page}})."\n"
+                               if $oldpagemtime{$page};
        }
        close OUT;
 }
@@ -342,16 +351,76 @@ sub rcs_commit ($) {
        }
 }
 
-sub rcs_ad ($) {
+sub rcs_add ($) {
        my $file=shift;
 
        if (-d "$srcdir/.svn") {
-               if (system("svn", "add", "--quiet", $file) != 0) {
+               my $parent=dirname($file);
+               while (! -d "$srcdir/$parent/.svn") {
+                       $file=$parent;
+                       $parent=dirname($file);
+               }
+               
+               if (system("svn", "add", "--quiet", "$srcdir/$file") != 0) {
                        warn("svn add failed\n");
                }
        }
 }
 
+sub rcs_recentchanges ($) {
+       my $num=shift;
+       my @ret;
+       
+       eval q{use Date::Parse};
+       eval q{use Time::Duration};
+       
+       if (-d "$srcdir/.svn") {
+               my $info=`LANG=C svn info $srcdir`;
+               my ($svn_url)=$info=~/^URL: (.*)$/m;
+
+               # FIXME: currently assumes that the wiki is somewhere
+               # under trunk in svn, doesn't support other layouts.
+               my ($svn_base)=$svn_url=~m!(/trunk(?:/.*)?)$!;
+               
+               my $div=qr/^--------------------+$/;
+               my $infoline=qr/^r(\d+)\s+\|\s+([^\s]+)\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/;
+               my $state='start';
+               my ($rev, $user, $when, @pages, $message);
+               foreach (`LANG=C svn log -v '$svn_url'`) {
+                       chomp;
+                       if ($state eq 'start' && /$div/) {
+                               $state='header';
+                       }
+                       elsif ($state eq 'header' && /$infoline/) {
+                               $rev=$1;
+                               $user=$2;
+                               $when=concise(ago(time - str2time($3)));
+                       }
+                       elsif ($state eq 'header' && /^\s+[A-Z]\s+\Q$svn_base\E\/(.+)$/) {
+                               push @pages, pagename($1) if length $1;
+                       }
+                       elsif ($state eq 'header' && /^$/) {
+                               $state='body';
+                       }
+                       elsif ($state eq 'body' && /$div/) {
+                               push @ret, { rev => $rev, user => $user,
+                                       when => $when, message => $message,
+                                       pages => [@pages] } if @pages;
+                               return @ret if @ret >= $num;
+                               
+                               $state='header';
+                               $message=$rev=$user=$when=undef;
+                               @pages=();
+                       }
+                       elsif ($state eq 'body') {
+                               $message.="$_<br>\n";
+                       }
+               }
+       }
+
+       return @ret;
+}
+
 sub prune ($) {
        my $file=shift;
 
@@ -372,7 +441,7 @@ sub refresh () {
                        if (/$wiki_file_prune_regexp/) {
                                $File::Find::prune=1;
                        }
-                       elsif (! -d $_ && ! /\.html$/ && ! /\/\./) {
+                       elsif (! -d $_) {
                                my ($f)=/$wiki_file_regexp/; # untaint
                                if (! defined $f) {
                                        warn("skipping bad filename $_\n");
@@ -490,20 +559,27 @@ FILE:             foreach my $file (@files) {
 sub gen_wrapper ($$) {
        my ($svn, $rebuild)=@_;
 
-       eval {use Cwd 'abs_path'};
+       eval q{use Cwd 'abs_path'};
        $srcdir=abs_path($srcdir);
        $destdir=abs_path($destdir);
        my $this=abs_path($0);
        if (! -x $this) {
                error("$this doesn't seem to be executable");
        }
-       
-       my $call=qq{"$this", "$this", "$srcdir", "$destdir", "--wikiname=$wikiname"};
-       $call.=', "--verbose"' if $verbose;
-       $call.=', "--rebuild"' if $rebuild;
-       $call.=', "--nosvn"' if !$svn;
-       $call.=', "--cgi"' if $cgi;
-       $call.=', "--url='.$url.'"' if $url;
+
+       my @params=($srcdir, $destdir, "--wikiname=$wikiname");
+       push @params, "--verbose" if $verbose;
+       push @params, "--rebuild" if $rebuild;
+       push @params, "--nosvn" if !$svn;
+       push @params, "--cgi" if $cgi;
+       push @params, "--url=$url" if $url;
+       push @params, "--cgiurl=$cgiurl" if $cgiurl;
+       my $params=join(" ", @params);
+       my $call='';
+       foreach my $p ($this, $this, @params) {
+               $call.=qq{"$p", };
+       }
+       $call.="NULL";
        
        my @envsave;
        push @envsave, qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
@@ -511,8 +587,8 @@ sub gen_wrapper ($$) {
        my $envsave="";
        foreach my $var (@envsave) {
                $envsave.=<<"EOF"
-               if ((s=getenv("$var")))
-                       asprintf(&newenviron[i++], "%s=%s", "$var", s);
+       if ((s=getenv("$var")))
+               asprintf(&newenviron[i++], "%s=%s", "$var", s);
 EOF
        }
        
@@ -527,17 +603,22 @@ EOF
 
 extern char **environ;
 
-int main (void) {
+int main (int argc, char **argv) {
        /* Sanitize environment. */
        char *s;
        char *newenviron[$#envsave+3];
        int i=0;
-       $envsave;
+$envsave
        newenviron[i++]="HOME=$ENV{HOME}";
        newenviron[i]=NULL;
        environ=newenviron;
 
-       execl($call, NULL);
+       if (argc == 2 && strcmp(argv[1], "--params") == 0) {
+               printf("$params\\n");
+               exit(0);
+       }
+       
+       execl($call);
        perror("failed to run $this");
        exit(1);
 }
@@ -560,16 +641,84 @@ sub cgi () {
                error("\"do\" parameter missing");
        }
        
-       my ($page)=$q->param('page')=~/$wiki_file_regexp/; # untaint
+       if ($do eq 'recentchanges') {
+               my $list="<ul>\n";
+               foreach my $change (rcs_recentchanges(100)) {
+                       $list.="<li>";
+                       $list.=join(", ", map { htmllink("", $_, 1) } @{$change->{pages}});
+                       $list.="<br>\n";
+                       $list.="changed ".$change->{when}." by ".
+                              htmllink("", $change->{user}, 1).
+                              ": <i>".$change->{message}."</i>\n";
+                       $list.="</li>\n";
+               }
+               $list.="</ul>\n";
+               
+               print $q->header,
+                     $q->start_html("RecentChanges"),
+                     $q->h1("<a href=\"$url\">$wikiname</a>/ RecentChanges"),
+                     $list,
+                     $q->end_form,
+                     $q->end_html;
+               return;
+       }
+       
+       my ($page)=$q->param('page')=~/$wiki_file_regexp/;
        if (! defined $page || ! length $page || $page ne $q->param('page') ||
            $page=~/$wiki_file_prune_regexp/ || $page=~/^\//) {
                error("bad page name");
        }
+       $page=lc($page);
        
        my $action=$q->request_uri;
        $action=~s/\?.*//;
        
-       if ($do eq 'edit') {
+       if ($do eq 'create') {
+               if (exists $pagesources{lc($page)}) {
+                       # hmm, someone else made the page in the meantime?
+                       print $q->redirect("$url/".htmlpage($page));
+               }
+
+               my @page_locs;
+               my ($from)=$q->param('from')=~/$wiki_file_regexp/;
+               if (! defined $from || ! length $from ||
+                   $from ne $q->param('from') ||
+                   $from=~/$wiki_file_prune_regexp/ || $from=~/^\//) {
+                       @page_locs=$page;
+               }
+               else {
+                       my $dir=$from."/";
+                       $dir=~s![^/]+/$!!;
+                       push @page_locs, $dir.$page;
+                       push @page_locs, "$from/$page";
+                       while (length $dir) {
+                               $dir=~s![^/]+/$!!;
+                               push @page_locs, $dir.$page;
+                       }
+               }
+               
+               $q->param("do", "save");
+               print $q->header,
+                     $q->start_html("Creating $page"),
+                     $q->start_h1("<a href=\"$url\">$wikiname</a>/ Creating $page"),
+                     $q->start_form(-action => $action),
+                     $q->hidden('do'),
+                     "Select page location:",
+                     $q->popup_menu('page', \@page_locs),
+                     $q->textarea(-name => 'content',
+                              -default => "",
+                              -rows => 20,
+                              -columns => 80),
+                     $q->br,
+                     "Optional comment about this change:",
+                     $q->br,
+                     $q->textfield(-name => "comments", -size => 80),
+                     $q->br,
+                     $q->submit("Save Page"),
+                     $q->end_form,
+                     $q->end_html;
+       }
+       elsif ($do eq 'edit') {
                my $content="";
                if (exists $pagesources{lc($page)}) {
                        $content=readfile("$srcdir/$pagesources{lc($page)}");
@@ -577,8 +726,8 @@ sub cgi () {
                }
                $q->param("do", "save");
                print $q->header,
-                     $q->start_html("$wikiname: Editing $page"),
-                     $q->h1("$wikiname: Editing $page"),
+                     $q->start_html("Editing $page"),
+                     $q->h1("<a href=\"$url\">$wikiname</a>/ Editing $page"),
                      $q->start_form(-action => $action),
                      $q->hidden('do'),
                      $q->hidden('page'),
@@ -587,11 +736,11 @@ sub cgi () {
                               -rows => 20,
                               -columns => 80),
                      $q->br,
-                     "Optional comment about this change",
+                     "Optional comment about this change:",
                      $q->br,
                      $q->textfield(-name => "comments", -size => 80),
                      $q->br,
-                     $q->submit("Save Changes"),
+                     $q->submit("Save Page"),
                      $q->end_form,
                      $q->end_html;
        }
@@ -644,6 +793,7 @@ if (grep /^-/, @ARGV) {
                "svn!" => \$svn,
                "cgi" => \$cgi,
                "url=s" => \$url,
+               "cgiurl=s" => \$cgiurl,
        ) || usage();
 }
 usage() unless @ARGV == 2;