fo
[ikiwiki.git] / ikiwiki
diff --git a/ikiwiki b/ikiwiki
index 8ba3249616a556e652f57a4ef86607926f4609af..b57611b668c0d939ba4c7d8f64d5d7844677ff77 100755 (executable)
--- a/ikiwiki
+++ b/ikiwiki
@@ -17,12 +17,14 @@ 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 {
        die "usage: ikiwiki [options] source dest\n";
@@ -181,7 +183,7 @@ 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));
@@ -261,8 +263,15 @@ 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";
        
@@ -322,7 +331,7 @@ sub saveindex () {
        close OUT;
 }
 
-sub update () {
+sub rcs_update () {
        if (-d "$srcdir/.svn") {
                if (system("svn", "update", "--quiet", $srcdir) != 0) {
                        warn("svn update failed\n");
@@ -330,6 +339,27 @@ sub update () {
        }
 }
 
+sub rcs_commit ($) {
+       my $message=shift;
+
+       if (-d "$srcdir/.svn") {
+               if (system("svn", "commit", "--quiet", "-m",
+                          possibly_foolish_untaint($message), $srcdir) != 0) {
+                       warn("svn commit failed\n");
+               }
+       }
+}
+
+sub rcs_ad ($) {
+       my $file=shift;
+
+       if (-d "$srcdir/.svn") {
+               if (system("svn", "add", "--quiet", $file) != 0) {
+                       warn("svn add failed\n");
+               }
+       }
+}
+
 sub prune ($) {
        my $file=shift;
 
@@ -350,7 +380,7 @@ 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");
@@ -466,7 +496,7 @@ FILE:               foreach my $file (@files) {
 # Generates a C wrapper program for running ikiwiki in a specific way.
 # The wrapper may be safely made suid.
 sub gen_wrapper ($$) {
-       my ($offline, $rebuild)=@_;
+       my ($svn, $rebuild)=@_;
 
        eval {use Cwd 'abs_path'};
        $srcdir=abs_path($srcdir);
@@ -475,22 +505,29 @@ sub gen_wrapper ($$) {
        if (! -x $this) {
                error("$this doesn't seem to be executable");
        }
+
+       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 $call=qq{"$this", "$this", "$srcdir", "$destdir", "--wikiname=$wikiname"};
-       $call.=', "--verbose"' if $verbose;
-       $call.=', "--rebuild"' if $rebuild;
-       $call.=', "--offline"' if $offline;
-       $call.=', "--cgi"' if $cgi;
-       $call.=', "--url='.$url.'"' if $url;
-       
-       # For CGI we need all these environment variables.
-       my @envsave=qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
-                      CONTENT_TYPE CONTENT_LENGTH GATEWAY_INTERFACE};
+       my @envsave;
+       push @envsave, qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
+                      CONTENT_TYPE CONTENT_LENGTH GATEWAY_INTERFACE} if $cgi;
        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
        }
        
@@ -505,21 +542,22 @@ EOF
 
 extern char **environ;
 
-int main (void) {
+int main (int argc, char **argv) {
        /* Sanitize environment. */
-       if ($cgi) {
-               char *s;
-               char *newenviron[$#envsave+2];
-               int i=0;
-               $envsave;
-               newenviron[i]=NULL;
-               environ=newenviron;
-       }
-       else {
-               clearenv();
+       char *s;
+       char *newenviron[$#envsave+3];
+       int i=0;
+$envsave
+       newenviron[i++]="HOME=$ENV{HOME}";
+       newenviron[i]=NULL;
+       environ=newenviron;
+
+       if (argc == 2 && strcmp(argv[1], "--params") == 0) {
+               printf("$params\\n");
+               exit(0);
        }
-
-       execl($call, NULL);
+       
+       execl($call);
        perror("failed to run $this");
        exit(1);
 }
@@ -542,16 +580,62 @@ sub cgi () {
                error("\"do\" parameter missing");
        }
        
-       my ($page)=$q->param('page')=~/$wiki_file_regexp/; # untaint
+       my ($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 $default_loc="";
+               my ($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 {
+                       @page_locs="$from/$page";
+                       $from=dirname($from);
+                       $default_loc="$from/$page";
+                       while (length $from) {
+                               push @page_locs, "$from/$page";
+                       }
+                       push @page_locs, $page;
+               }
+               
+               $q->param("do", "save");
+               print $q->header,
+                     $q->start_html("$wikiname: Creating $page"),
+                     $q->h1("$wikiname: Creating $page"),
+                     $q->start_form(-action => $action),
+                     $q->hidden('do'),
+                     "Select page location:",
+                     $q->popup_menu('page', \@page_locs, $default_loc),
+                     $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)}");
@@ -568,19 +652,21 @@ sub cgi () {
                               -default => $content,
                               -rows => 20,
                               -columns => 80),
-                     $q->p,
-                     $q->submit("Save Changes"),
-                     # TODO: Cancel button returns to page.
-                     # TODO: Preview button.
-                     # TODO: Commit message field.
-                     # TODO: Conflict prevention.
+                     $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 'save') {
                my $file=$page.$default_pagetype;
+               my $newfile=1;
                if (exists $pagesources{lc($page)}) {
                        $file=$pagesources{lc($page)};
+                       $newfile=0;
                }
                
                my $content=$q->param('content');
@@ -588,6 +674,23 @@ sub cgi () {
                $content=~s/\r/\n/g;
                writefile("$srcdir/$file", $content);
                
+               my $message="web commit from $ENV{REMOTE_ADDR}";
+               if (defined $q->param('comments')) {
+                       $message.=": ".$q->param('comments');
+               }
+               
+               if ($svn) {
+                       if ($newfile) {
+                               rcs_add($file);
+                       }
+                       # presumably the commit will trigger an update
+                       # of the wiki
+                       rcs_commit($message);
+               }
+               else {
+                       refresh();
+               }
+               
                print $q->redirect("$url/".htmlpage($page));
        }
        else {
@@ -596,7 +699,6 @@ sub cgi () {
 }
 
 my $rebuild=0;
-my $offline=0;
 my $wrapper=0;
 if (grep /^-/, @ARGV) {
        eval {use Getopt::Long};
@@ -605,9 +707,10 @@ if (grep /^-/, @ARGV) {
                "verbose|v" => \$verbose,
                "rebuild" => \$rebuild,
                "wrapper" => \$wrapper,
-               "offline" => \$offline,
+               "svn!" => \$svn,
                "cgi" => \$cgi,
                "url=s" => \$url,
+               "cgiurl=s" => \$cgiurl,
        ) || usage();
 }
 usage() unless @ARGV == 2;
@@ -618,7 +721,7 @@ if ($cgi && ! length $url) {
        error("Must specify url to wiki with --url when using --cgi");
 }
 
-gen_wrapper($offline, $rebuild) if $wrapper;
+gen_wrapper($svn, $rebuild) if $wrapper;
 memoize('pagename');
 memoize('bestlink');
 loadindex() unless $rebuild;
@@ -626,7 +729,7 @@ if ($cgi) {
        cgi();
 }
 else {
-       update() unless $offline;
+       rcs_update() if $svn;
        refresh();
        saveindex();
 }