-
- # 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 $cgiurl;
- push @params, "--historyurl=$historyurl" if $historyurl;
- 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>";
- $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 '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"),
- $q->h1("<a href=\"$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));