-}
-
-sub rcs_recentchanges ($) {
- my $num=shift;
- my @ret;
-
- eval q{use Date::Parse};
- eval q{use Time::Duration};
-
- my %sourcepages=reverse %pagesources;
-
- if (-d "$srcdir/.svn") {
- my $info=`LANG=C svn info $srcdir`;
- my ($svn_url)=$info=~/^URL: (.*)$/m;
-
- # FIXME: currently assumes that the wiki is under trunk in
- # svn.
- 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, $sourcepages{$1};
- }
- elsif ($state eq 'header' && /^$/) {
- $state='body';
- }
- elsif ($state eq 'body' && /$div/) {
- push @ret, { rev => $rev, user => $user,
- when => $when, message => $message,
- pages => [@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 $file=shift;
-
- unlink($file);
- my $dir=dirname($file);
- while (rmdir($dir)) {
- $dir=dirname($dir);
- }
-}
-
-sub refresh () {
- # Find existing pages.
- my %exists;
- my @files;
- find({
- no_chdir => 1,
- wanted => sub {
- if (/$wiki_file_prune_regexp/) {
- $File::Find::prune=1;
- }
- elsif (! -d $_) {
- my ($f)=/$wiki_file_regexp/; # untaint
- if (! defined $f) {
- warn("skipping bad filename $_\n");
- }
- else {
- $f=~s/^\Q$srcdir\E\/?//;
- push @files, $f;
- $exists{pagename($f)}=1;
- }
- }
- },
- }, $srcdir);
-
- my %rendered;
-
- # check for added or removed pages
- my @add;
- foreach my $file (@files) {
- my $page=pagename($file);
- if (! $oldpagemtime{$page}) {
- debug("new page $page");
- push @add, $file;
- $links{$page}=[];
- $pagesources{$page}=$file;
- }
- }
- my @del;
- foreach my $page (keys %oldpagemtime) {
- if (! $exists{$page}) {
- debug("removing old page $page");
- push @del, $renderedfiles{$page};
- prune($destdir."/".$renderedfiles{$page});
- delete $renderedfiles{$page};
- $oldpagemtime{$page}=0;
- delete $pagesources{$page};
- }
- }
-
- # render any updated files
- foreach my $file (@files) {
- my $page=pagename($file);
-
- if (! exists $oldpagemtime{$page} ||
- mtime("$srcdir/$file") > $oldpagemtime{$page}) {
- debug("rendering changed file $file");
- render($file);
- $rendered{$file}=1;
- }
- }
-
- # if any files were added or removed, check to see if each page
- # needs an update due to linking to them
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the bestlink may have changed and we won't know until
- # now
- if (@add || @del) {
-FILE: foreach my $file (@files) {
- my $page=pagename($file);
- foreach my $f (@add, @del) {
- my $p=pagename($f);
- foreach my $link (@{$links{$page}}) {
- if (bestlink($page, $link) eq $p) {
- debug("rendering $file, which links to $p");
- render($file);
- $rendered{$file}=1;
- next FILE;
- }
- }
- }
- }
- }
-
- # handle linkbacks; if a page has added/removed links, update the
- # pages it links to
- # TODO: inefficient; pages may get rendered above and again here;
- # problem is the linkbacks could be wrong in the first pass render
- # above
- if (%rendered) {
- my %linkchanged;
- foreach my $file (keys %rendered, @del) {
- my $page=pagename($file);
- if (exists $links{$page}) {
- foreach my $link (@{$links{$page}}) {
- $link=bestlink($page, $link);
- if (length $link &&
- ! exists $oldlinks{$page} ||
- ! grep { $_ eq $link } @{$oldlinks{$page}}) {
- $linkchanged{$link}=1;
- }
- }
- }
- if (exists $oldlinks{$page}) {
- foreach my $link (@{$oldlinks{$page}}) {
- $link=bestlink($page, $link);
- if (length $link &&
- ! exists $links{$page} ||
- ! grep { $_ eq $link } @{$links{$page}}) {
- $linkchanged{$link}=1;
- }
- }
- }
- }
- foreach my $link (keys %linkchanged) {
- my $linkfile=$pagesources{$link};
- if (defined $linkfile) {
- debug("rendering $linkfile, to update its linkbacks");
- render($linkfile);
- }
- }
- }
-}
-
-# Generates a C wrapper program for running ikiwiki in a specific way.
-# The wrapper may be safely made suid.
-sub gen_wrapper ($$) {
- my ($svn, $rebuild)=@_;
-
- 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 @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
- 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);
-EOF
- }
-
- open(OUT, ">ikiwiki-wrap.c") || error("failed to write ikiwiki-wrap.c: $!");;
- print OUT <<"EOF";
-/* A wrapper for ikiwiki, can be safely made suid. */
-#define _GNU_SOURCE
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-
-extern char **environ;
-
-int main (int argc, char **argv) {
- /* Sanitize environment. */
- char *s;
- char *newenviron[$#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);
- perror("failed to run $this");
- exit(1);
-}
-EOF
- close OUT;
- if (system("gcc", "ikiwiki-wrap.c", "-o", "ikiwiki-wrap") != 0) {
- error("failed to compile ikiwiki-wrap.c");
- }
- unlink("ikiwiki-wrap.c");
- print "successfully generated ikiwiki-wrap\n";
- exit 0;
-}
-
-sub cgi () {
- eval q{use CGI};
- my $q=CGI->new;
-
- my $do=$q->param('do');
- if (! defined $do || ! length $do) {
- error("\"do\" parameter missing");
- }
-
- if ($do eq 'recentchanges') {
- my $list="<ul>\n";
- foreach my $change (rcs_recentchanges(100)) {
- $list.="<li>";
- foreach my $page (@{$change->{pages}}) {
- $list.=$page." ";
- }
- $list.="<br>\n";
- $list.="changed ".$change->{when}." by ".
- htmllink("index", $change->{user}).
- ": <i>".$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 '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)}");
- $content=~s/\n/\r\n/g;
- }
- $q->param("do", "save");
- print $q->header,
- $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'),
- $q->textarea(-name => 'content',
- -default => $content,
- -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 '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');
- $content=~s/\r\n/\n/g;
- $content=~s/\r/\n/g;
- writefile("$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 {
- error("unknown do parameter");
- }
-}
-
-my $rebuild=0;
-my $wrapper=0;
-if (grep /^-/, @ARGV) {
- eval {use Getopt::Long};
- GetOptions(
- "wikiname=s" => \$wikiname,
- "verbose|v" => \$verbose,
- "rebuild" => \$rebuild,
- "wrapper" => \$wrapper,
- "svn!" => \$svn,
- "cgi" => \$cgi,
- "url=s" => \$url,
- "cgiurl=s" => \$cgiurl,
- ) || usage();
-}
-usage() unless @ARGV == 2;
-($srcdir) = possibly_foolish_untaint(shift);
-($destdir) = possibly_foolish_untaint(shift);
-
-if ($cgi && ! length $url) {
- error("Must specify url to wiki with --url when using --cgi");
-}