ikiwiki/ikiwiki

1139 lines
27 KiB
Perl
Executable File

#!/usr/bin/perl -T
use warnings;
use strict;
use File::Find;
use Memoize;
use File::Spec;
use HTML::Template;
BEGIN {
$blosxom::version="is a proper perl module too much to ask?";
do "/usr/bin/markdown";
}
$ENV{PATH}="/usr/local/bin:/usr/bin:/bin";
my ($srcdir, $templatedir, $destdir, %links, %oldlinks, %oldpagemtime,
%renderedfiles, %pagesources);
my $wiki_link_regexp=qr/\[\[([^\s]+)\]\]/;
my $wiki_file_regexp=qr/(^[-A-Za-z0-9_.:\/+]+$)/;
my $wiki_file_prune_regexp=qr!((^|/).svn/|\.\.|^\.|\/\.|\.html?$)!;
my $verbose=0;
my $wikiname="wiki";
my $default_pagetype=".mdwn";
my $cgi=0;
my $url="";
my $cgiurl="";
my $historyurl="";
my $svn=1;
my $anonok=0;
my $rebuild=0;
sub usage { #{{{
die "usage: ikiwiki [options] source templates dest\n";
} #}}}
sub error ($) { #{{{
if ($cgi) {
print "Content-type: text/html\n\n";
print misctemplate("Error", "<p>Error: @_</p>");
exit 1;
}
else {
die @_;
}
} #}}}
sub debug ($) { #{{{
if (! $cgi) {
print "@_\n" if $verbose;
}
else {
print STDERR "@_\n" if $verbose;
}
} #}}}
sub mtime ($) { #{{{
my $page=shift;
return (stat($page))[9];
} #}}}
sub possibly_foolish_untaint ($) { #{{{
my $tainted=shift;
my ($untainted)=$tainted=~/(.*)/;
return $untainted;
} #}}}
sub basename ($) { #{{{
my $file=shift;
$file=~s!.*/!!;
return $file;
} #}}}
sub dirname ($) { #{{{
my $file=shift;
$file=~s!/?[^/]+$!!;
return $file;
} #}}}
sub pagetype ($) { #{{{
my $page=shift;
if ($page =~ /\.mdwn$/) {
return ".mdwn";
}
else {
return "unknown";
}
} #}}}
sub pagename ($) { #{{{
my $file=shift;
my $type=pagetype($file);
my $page=$file;
$page=~s/\Q$type\E*$// unless $type eq 'unknown';
return $page;
} #}}}
sub htmlpage ($) { #{{{
my $page=shift;
return $page.".html";
} #}}}
sub readfile ($) { #{{{
my $file=shift;
local $/=undef;
open (IN, "$file") || error("failed to read $file: $!");
my $ret=<IN>;
close IN;
return $ret;
} #}}}
sub writefile ($$) { #{{{
my $file=shift;
my $content=shift;
my $dir=dirname($file);
if (! -d $dir) {
my $d="";
foreach my $s (split(m!/+!, $dir)) {
$d.="$s/";
if (! -d $d) {
mkdir($d) || error("failed to create directory $d: $!");
}
}
}
open (OUT, ">$file") || error("failed to write $file: $!");
print OUT $content;
close OUT;
} #}}}
sub findlinks ($) { #{{{
my $content=shift;
my @links;
while ($content =~ /$wiki_link_regexp/g) {
push @links, lc($1);
}
return @links;
} #}}}
# Given a page and the text of a link on the page, determine which existing
# page that link best points to. Prefers pages under a subdirectory with
# the same name as the source page, failing that goes down the directory tree
# to the base looking for matching pages.
sub bestlink ($$) { #{{{
my $page=shift;
my $link=lc(shift);
my $cwd=$page;
do {
my $l=$cwd;
$l.="/" if length $l;
$l.=$link;
if (exists $links{$l}) {
#debug("for $page, \"$link\", use $l");
return $l;
}
} while $cwd=~s!/?[^/]+$!!;
#print STDERR "warning: page $page, broken link: $link\n";
return "";
} #}}}
sub isinlinableimage ($) { #{{{
my $file=shift;
$file=~/\.(png|gif|jpg|jpeg)$/;
} #}}}
sub htmllink { #{{{
my $page=shift;
my $link=shift;
my $noimageinline=shift; # don't turn links into inline html images
my $createsubpage=shift; # force creation of a subpage if page DNE
my $bestlink=bestlink($page, $link);
return $link if length $bestlink && $page eq $bestlink;
# TODO BUG: %renderedfiles may not have it, if the linked to page
# was also added and isn't yet rendered! Note that this bug is
# masked by the bug mentioned below that makes all new files
# be rendered twice.
if (! grep { $_ eq $bestlink } values %renderedfiles) {
$bestlink=htmlpage($bestlink);
}
if (! grep { $_ eq $bestlink } values %renderedfiles) {
if (! $createsubpage) {
return "<a href=\"$cgiurl?do=create&page=$link&from=$page\">?</a>$link"
}
else {
return "<a href=\"$cgiurl?do=create&page=$page/$link\">?</a>$link"
}
}
$bestlink=File::Spec->abs2rel($bestlink, dirname($page));
if (! $noimageinline && isinlinableimage($bestlink)) {
return "<img src=\"$bestlink\">";
}
return "<a href=\"$bestlink\">$link</a>";
} #}}}
sub linkify ($$) { #{{{
my $content=shift;
my $file=shift;
$content =~ s/$wiki_link_regexp/htmllink(pagename($file), $1)/eg;
return $content;
} #}}}
sub htmlize ($$) { #{{{
my $type=shift;
my $content=shift;
if ($type eq '.mdwn') {
return Markdown::Markdown($content);
}
else {
error("htmlization of $type not supported");
}
} #}}}
sub backlinks ($) { #{{{
my $page=shift;
my @links;
foreach my $p (keys %links) {
next if bestlink($page, $p) eq $page;
if (grep { length $_ && bestlink($p, $_) eq $page } @{$links{$p}}) {
my $href=File::Spec->abs2rel(htmlpage($p), dirname($page));
# Trim common dir prefixes from both pages.
my $p_trimmed=$p;
my $page_trimmed=$page;
my $dir;
1 while (($dir)=$page_trimmed=~m!^([^/]+/)!) &&
defined $dir &&
$p_trimmed=~s/^\Q$dir\E// &&
$page_trimmed=~s/^\Q$dir\E//;
push @links, { url => $href, page => $p_trimmed };
}
}
return sort { $a->{page} cmp $b->{page} } @links;
} #}}}
sub parentlinks ($) { #{{{
my $page=shift;
my @ret;
my $pagelink="";
my $path="";
my $skip=1;
foreach my $dir (reverse split("/", $page)) {
if (! $skip) {
unshift @ret, { url => "$path$dir.html", page => $dir };
}
else {
$skip=0;
}
$path.="../";
}
unshift @ret, { url => $path , page => $wikiname };
return @ret;
} #}}}
sub indexlink () { #{{{
return "<a href=\"$url\">$wikiname</a>";
} #}}}
sub finalize ($$) { #{{{
my $content=shift;
my $page=shift;
my $title=basename($page);
$title=~s/_/ /g;
my $template=HTML::Template->new(blind_cache => 1,
filename => "$templatedir/page.tmpl");
if (length $cgiurl) {
$template->param(editurl => "$cgiurl?do=edit&page=$page");
if ($svn) {
$template->param(recentchangesurl => "$cgiurl?do=recentchanges");
}
}
if (length $historyurl) {
my $u=$historyurl;
$u=~s/\[\[\]\]/$pagesources{$page}/g;
$template->param(historyurl => $u);
}
$template->param(
title => $title,
wikiname => $wikiname,
parentlinks => [parentlinks($page)],
content => $content,
backlinks => [backlinks($page)],
discussionlink => htmllink($page, "Discussion", 1, 1),
);
return $template->output;
} #}}}
# Important security check. Make sure to call this before saving any files
# to the source directory.
sub check_overwrite ($$) { #{{{
my $dest=shift;
my $src=shift;
if (! exists $renderedfiles{$src} && -e $dest && ! $rebuild) {
error("$dest exists and was rendered from ".
join(" ",(grep { $renderedfiles{$_} eq $dest } keys
%renderedfiles)).
", not from $src before not overwriting");
}
} #}}}
sub render ($) { #{{{
my $file=shift;
my $type=pagetype($file);
my $content=readfile("$srcdir/$file");
if ($type ne 'unknown') {
my $page=pagename($file);
$links{$page}=[findlinks($content)];
$content=linkify($content, $file);
$content=htmlize($type, $content);
$content=finalize($content, $page);
check_overwrite("$destdir/".htmlpage($page), $page);
writefile("$destdir/".htmlpage($page), $content);
$oldpagemtime{$page}=time;
$renderedfiles{$page}=htmlpage($page);
}
else {
$links{$file}=[];
check_overwrite("$destdir/$file", $file);
writefile("$destdir/$file", $content);
$oldpagemtime{$file}=time;
$renderedfiles{$file}=$file;
}
} #}}}
sub loadindex () { #{{{
open (IN, "$srcdir/.ikiwiki/index") || return;
while (<IN>) {
$_=possibly_foolish_untaint($_);
chomp;
my ($mtime, $file, $rendered, @links)=split(' ', $_);
my $page=pagename($file);
$pagesources{$page}=$file;
$oldpagemtime{$page}=$mtime;
$oldlinks{$page}=[@links];
$links{$page}=[@links];
$renderedfiles{$page}=$rendered;
}
close IN;
} #}}}
sub saveindex () { #{{{
if (! -d "$srcdir/.ikiwiki") {
mkdir("$srcdir/.ikiwiki");
}
open (OUT, ">$srcdir/.ikiwiki/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};
}
close OUT;
} #}}}
sub rcs_update () { #{{{
if (-d "$srcdir/.svn") {
if (system("svn", "update", "--quiet", $srcdir) != 0) {
warn("svn update failed\n");
}
}
} #}}}
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_add ($) { #{{{
my $file=shift;
if (-d "$srcdir/.svn") {
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, { link => htmllink("", pagename($1), 1) }
if length $1;
}
elsif ($state eq 'header' && /^$/) {
$state='body';
}
elsif ($state eq 'body' && /$div/) {
my $committype="web";
if (defined $message[0] &&
$message[0]->{line}=~/^web commit by (\w+):?(.*)/) {
$user="$1";
$message[0]->{line}=$2;
}
else {
$committype="svn";
}
push @ret, { rev => $rev,
user => htmllink("", $user, 1),
committype => $committype,
when => $when, message => [@message],
pages => [@pages] } if @pages;
return @ret if @ret >= $num;
$state='header';
$rev=$user=$when=undef;
@pages=@message=();
}
elsif ($state eq 'body') {
push @message, {line => $_},
}
}
}
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 backlinks; 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 backlinks 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 backlinks");
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, $templatedir, $destdir, "--wikiname=$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 $cgiurl;
push @params, "--historyurl=$historyurl" if $historyurl;
push @params, "--anonok" if $anonok;
my $params=join(" ", map { "\'$_\'" } @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
HTTP_COOKIE} 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 misctemplate ($$) { #{{{
my $title=shift;
my $pagebody=shift;
my $template=HTML::Template->new(
filename => "$templatedir/misc.tmpl"
);
$template->param(
title => $title,
indexlink => indexlink(),
wikiname => $wikiname,
pagebody => $pagebody,
);
return $template->output;
}#}}}
sub cgi_recentchanges ($) { #{{{
my $q=shift;
my $template=HTML::Template->new(
filename => "$templatedir/recentchanges.tmpl"
);
$template->param(
title => "RecentChanges",
indexlink => indexlink(),
wikiname => $wikiname,
changelog => [rcs_recentchanges(100)],
);
print $q->header, $template->output;
} #}}}
sub userinfo_get ($$) { #{{{
my $user=shift;
my $field=shift;
eval q{use Storable};
my $userdata=eval{ Storable::lock_retrieve("$srcdir/.ikiwiki/userdb") };
if (! defined $userdata || ! ref $userdata ||
! exists $userdata->{$user} || ! ref $userdata->{$user}) {
return "";
}
return $userdata->{$user}->{$field};
} #}}}
sub userinfo_set ($$) { #{{{
my $user=shift;
my $info=shift;
eval q{use Storable};
my $userdata=eval{ Storable::lock_retrieve("$srcdir/.ikiwiki/userdb") };
if (! defined $userdata || ! ref $userdata) {
$userdata={};
}
$userdata->{$user}=$info;
my $oldmask=umask(077);
my $ret=Storable::lock_store($userdata, "$srcdir/.ikiwiki/userdb");
umask($oldmask);
return $ret;
} #}}}
sub cgi_signin ($$) { #{{{
my $q=shift;
my $session=shift;
eval q{use CGI::FormBuilder};
my $form = CGI::FormBuilder->new(
title => "$wikiname signin",
fields => [qw(do page from name password confirm_password email)],
header => 1,
method => 'POST',
validate => {
confirm_password => {
perl => q{eq $form->field("password")},
},
email => 'EMAIL',
},
required => 'NONE',
javascript => 0,
params => $q,
action => $q->request_uri,
header => 0,
template => (-e "$templatedir/signin.tmpl" ? "$templatedir/signin.tmpl" : "")
);
$form->field(name => "name", required => 0);
$form->field(name => "do", type => "hidden");
$form->field(name => "page", type => "hidden");
$form->field(name => "from", type => "hidden");
$form->field(name => "password", type => "password", required => 0);
$form->field(name => "confirm_password", type => "password", required => 0);
$form->field(name => "email", required => 0);
if ($q->param("do") ne "signin") {
$form->text("You need to log in before you can edit pages.");
}
if ($form->submitted) {
# Set required fields based on how form was submitted.
my %required=(
"Login" => [qw(name password)],
"Register" => [qw(name password confirm_password email)],
"Mail Password" => [qw(name)],
);
foreach my $opt (@{$required{$form->submitted}}) {
$form->field(name => $opt, required => 1);
}
# Validate password differently depending on how
# form was submitted.
if ($form->submitted eq 'Login') {
$form->field(
name => "password",
validate => sub {
length $form->field("name") &&
shift eq userinfo_get($form->field("name"), 'password');
},
);
$form->field(name => "name", validate => '/^\w+$/');
}
else {
$form->field(name => "password", validate => 'VALUE');
}
# And make sure the entered name exists when logging
# in or sending email, and does not when registering.
if ($form->submitted eq 'Register') {
$form->field(
name => "name",
validate => sub {
my $name=shift;
length $name &&
! userinfo_get($name, "regdate");
},
);
}
else {
$form->field(
name => "name",
validate => sub {
my $name=shift;
length $name &&
userinfo_get($name, "regdate");
},
);
}
}
else {
# First time settings.
$form->field(name => "name", comment => "use FirstnameLastName");
$form->field(name => "confirm_password", comment => "(only needed");
$form->field(name => "email", comment => "for registration)");
if ($session->param("name")) {
$form->field(name => "name", value => $session->param("name"));
}
}
if ($form->submitted && $form->validate) {
if ($form->submitted eq 'Login') {
$session->param("name", $form->field("name"));
if (defined $form->field("do") &&
$form->field("do") ne 'signin') {
print $q->redirect(
"$cgiurl?do=".$form->field("do").
"&page=".$form->field("page").
"&from=".$form->field("from"));;
}
else {
print $q->redirect($url);
}
}
elsif ($form->submitted eq 'Register') {
my $user_name=$form->field('name');
if (userinfo_set($user_name, {
'email' => $form->field('email'),
'password' => $form->field('password'),
'regdate' => time
})) {
$form->field(name => "confirm_password", type => "hidden");
$form->field(name => "email", type => "hidden");
$form->text("Registration successful. Now you can Login.");
print $session->header();
print misctemplate($form->title, $form->render(submit => ["Login"]));
}
else {
error("Error saving registration.");
}
}
elsif ($form->submitted eq 'Mail Password') {
my $user_name=$form->field("name");
my $template=HTML::Template->new(
filename => "$templatedir/passwordmail.tmpl"
);
$template->param(
user_name => $user_name,
user_password => userinfo_get($user_name, "password"),
wikiurl => $url,
wikiname => $wikiname,
REMOTE_ADDR => $ENV{REMOTE_ADDR},
);
eval q{use Mail::Sendmail};
my ($fromhost) = $cgiurl =~ m!/([^/]+)!;
print STDERR "$< $> >>> $cgiurl ".(getpwuid($>))[0]."@".$fromhost."\n";
sendmail(
To => userinfo_get($user_name, "email"),
From => "$wikiname admin <".(getpwuid($>))[0]."@".$fromhost.">",
Subject => "$wikiname information",
Message => $template->output,
) or error("Failed to send mail");
$form->text("Your password has been emailed to you.");
$form->field(name => "name", required => 0);
print $session->header();
print misctemplate($form->title, $form->render(submit => ["Login", "Register", "Mail Password"]));
}
}
else {
print $session->header();
print misctemplate($form->title, $form->render(submit => ["Login", "Register", "Mail Password"]));
}
} #}}}
sub cgi_editpage ($$) { #{{{
my $q=shift;
my $session=shift;
eval q{use CGI::FormBuilder};
my $form = CGI::FormBuilder->new(
fields => [qw(do from page content comments)],
header => 1,
method => 'POST',
validate => {
content => '/.+/',
},
required => [qw{content}],
javascript => 0,
params => $q,
action => $q->request_uri,
table => 0,
template => "$templatedir/editpage.tmpl"
);
my ($page)=$form->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);
$form->field(name => "do", type => 'hidden');
$form->field(name => "from", type => 'hidden');
$form->field(name => "page", value => "$page", force => 1);
$form->field(name => "comments", type => "text", size => 80);
$form->field(name => "content", type => "textarea", rows => 20,
cols => 80);
if ($form->submitted eq "Cancel") {
print $q->redirect("$url/".htmlpage($page));
return;
}
if (! $form->submitted || ! $form->validate) {
if ($form->field("do") eq "create") {
if (exists $pagesources{lc($page)}) {
# hmm, someone else made the page in the
# meantime?
print $q->redirect("$url/".htmlpage($page));
return;
}
my @page_locs;
my ($from)=$form->param('from')=~/$wiki_file_regexp/;
if (! defined $from || ! length $from ||
$from ne $form->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;
}
}
$form->tmpl_param("page_select", 1);
$form->field(name => "page", type => 'select',
options => \@page_locs);
$form->title("creating $page");
}
elsif ($form->field("do") eq "edit") {
my $content="";
if (exists $pagesources{lc($page)}) {
$content=readfile("$srcdir/$pagesources{lc($page)}");
$content=~s/\n/\r\n/g;
}
$form->tmpl_param("page_select", 0);
$form->field(name => "content", value => $content,
force => 1);
$form->field(name => "page", type => 'hidden');
$form->title("editing $page");
}
$form->tmpl_param("can_commit", $svn);
$form->tmpl_param("indexlink", indexlink());
print $form->render(submit => ["Save Page", "Cancel"]);
}
else {
# save page
my $file=$page.$default_pagetype;
my $newfile=1;
if (exists $pagesources{lc($page)}) {
$file=$pagesources{lc($page)};
$newfile=0;
}
my $content=$form->field('content');
$content=~s/\r\n/\n/g;
$content=~s/\r/\n/g;
writefile("$srcdir/$file", $content);
my $message="web commit ";
if ($session->param("name")) {
$message.="by ".$session->param("name");
}
else {
$message.="from $ENV{REMOTE_ADDR}";
}
if (defined $form->field('comments') &&
length $form->field('comments')) {
$message.=": ".$form->field('comments');
}
if ($svn) {
if ($newfile) {
rcs_add($file);
}
# presumably the commit will trigger an update
# of the wiki
rcs_commit($message);
}
else {
refresh();
}
# The trailing question mark tries to avoid broken
# caches and get the most recent version of the page.
print $q->redirect("$url/".htmlpage($page)."?updated");
}
} #}}}
sub cgi () { #{{{
eval q{use CGI};
eval q{use CGI::Session};
my $q=CGI->new;
my $do=$q->param('do');
if (! defined $do || ! length $do) {
error("\"do\" parameter missing");
}
# This does not need a session.
if ($do eq 'recentchanges') {
cgi_recentchanges($q);
return;
}
CGI::Session->name("ikiwiki_session");
my $oldmask=umask(077);
my $session = CGI::Session->new("driver:db_file", $q,
{ FileName => "$srcdir/.ikiwiki/sessions.db" });
umask($oldmask);
# Everything below this point needs the user to be signed in.
if ((! $anonok && ! defined $session->param("name") ||
! userinfo_get($session->param("name"), "regdate")) || $do eq 'signin') {
cgi_signin($q, $session);
# Force session flush with safe umask.
my $oldmask=umask(077);
$session->flush;
umask($oldmask);
return;
}
if ($do eq 'create' || $do eq 'edit') {
cgi_editpage($q, $session);
}
else {
error("unknown do parameter");
}
} #}}}
# main {{{
my $wrapper=0;
if (grep /^-/, @ARGV) {
eval {use Getopt::Long};
GetOptions(
"wikiname=s" => \$wikiname,
"verbose|v" => \$verbose,
"rebuild!" => \$rebuild,
"wrapper!" => \$wrapper,
"svn!" => \$svn,
"anonok!" => \$anonok,
"cgi!" => \$cgi,
"url=s" => \$url,
"cgiurl=s" => \$cgiurl,
"historyurl=s" => \$historyurl,
) || usage();
}
usage() unless @ARGV == 3;
($srcdir) = possibly_foolish_untaint(shift);
($templatedir) = possibly_foolish_untaint(shift);
($destdir) = possibly_foolish_untaint(shift);
if ($cgi && ! length $url) {
error("Must specify url to wiki with --url when using --cgi");
}
gen_wrapper($svn, $rebuild) if $wrapper;
memoize('pagename');
memoize('bestlink');
loadindex() unless $rebuild;
if ($cgi) {
cgi();
}
else {
rcs_update() if $svn;
refresh();
saveindex();
}
#}}}