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authorjoey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>2007-07-30 20:54:39 +0000
committerjoey <joey@0fa5a96a-9a0e-0410-b3b2-a0fd24251071>2007-07-30 20:54:39 +0000
commit7da971f722850fb657576e7bb791d3b8fa604072 (patch)
tree1653d656b8e865490e7aea8d19b99f23fa9c1e80 /doc/todo/blogpost_plugin.mdwn
parentf4c74c692d71e93a22cbc7851cca91a8969a9b79 (diff)
downloadikiwiki-7da971f722850fb657576e7bb791d3b8fa604072.tar
ikiwiki-7da971f722850fb657576e7bb791d3b8fa604072.tar.gz
web commit by http://ethan.betacantrips.com/: first draft
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+This is a plugin that prompts the user for a title for a post, and then
+redirects the user to post in a hierarchically organized directory
+structure. It supports limiting blog posts only to certain users, and
+this applies to creating new as well as editing old ones. It's a little
+clumsy so far:
+
+* Although Joey said specifically not to, I export the printheader
+ function so that the plugin can create a form.
+* The form doesn't invoke the formbuilder hooks; I couldn't figure
+ out a way to do that easily from inside the plugin (unless I
+ exported run_hooks and that didn't seem right).
+* This invokes a new hook, authcgi, although Joey said that
+ "the best approach was adding a flag that makes a cgi hook get
+ postponed and called after a session is set up". I don't know
+ if this is a good idea; authenticated CGI plugins need sessions,
+ and unauthenticated CGI plugins don't, so it seems like a new hook
+ is a better idea.
+* This creates a lot of broken parents unless you use something
+ like [[missingparents.pm]].
+
+I don't expect that this will be applied; it's more like a first draft.
+I would like to hear good ideas on how to solve the first two problems.
+Maybe make the hook return a form, which is printed by CGI.pm? --Ethan
+
+<pre>
+Index: IkiWiki/CGI.pm
+===================================================================
+--- IkiWiki/CGI.pm (revision 3968)
++++ IkiWiki/CGI.pm (working copy)
+@@ -684,6 +684,9 @@
+ }
+ }
+
++ run_hooks(authcgi => sub { shift->($q, $session); });
++ my $do=$q->param('do'); # in case the hook changed it
++
+ if (defined $session->param("name") &&
+ userinfo_get($session->param("name"), "banned")) {
+ print $q->header(-status => "403 Forbidden");
+Index: IkiWiki/Plugin/blogpost.pm
+===================================================================
+--- IkiWiki/Plugin/blogpost.pm (revision 0)
++++ IkiWiki/Plugin/blogpost.pm (revision 0)
+@@ -0,0 +1,97 @@
++#!/usr/bin/perl
++# blogpost plugin: interprets cgi "blogpost" commands as create commands.
++package IkiWiki::Plugin::blogpost;
++
++use warnings;
++use strict;
++use POSIX;
++use IkiWiki 2.00;
++
++sub import { #{{{
++ hook(type => "checkconfig", id => "blogpost", call => \&checkconfig);
++ hook(type => "authcgi", id => "blogpost", call => \&authcgi);
++ hook(type => "canedit", id => "blogpost", call => \&canedit);
++} # }}}
++
++sub checkconfig () { #{{{
++ if (! defined $config{blogformat}){
++ $config{blogformat} = 'posts/%Y/%m/%d/$title';
++ }
++
++ if (! defined $config{blogpagespec}){
++ my $spec = $config{blogformat};
++ $spec =~ s/%./\*/g;
++ $spec =~ s/\$title/*/;
++ $config{blogpagespec} = "$spec and ! $spec/*";
++ }
++
++ if (! defined $config{blogusers}) {
++ $config{blogusers} = (); # disallow all posting by default
++ }
++} #}}}
++
++sub authcgi ($$) { #{{{
++ my $cgi=shift;
++ my $session=shift;
++
++ return unless (defined $cgi->param('do') && $cgi->param('do') eq "blogpost");
++ my $user=$session->param("name");
++ error ("not allowed to blog, $user") unless
++ $config{blogusers} eq "*" ||
++ grep {$_ eq $user} $config{blogusers};
++ eval q{use CGI::FormBuilder};
++ error($@) if $@;
++ my @fields=qw(title);
++ my $form = CGI::FormBuilder->new(
++ fields => \@fields,
++ title => "post title",
++ name => "post title",
++ header => 1,
++ charset => "utf-8",
++ method => 'POST',
++ required => 'NONE',
++ javascript => 0,
++ params => $cgi,
++ action => $config{cgiurl},
++ header => 0,
++ template => {type => 'div'},
++ stylesheet => $config{url}."/style.css",
++ );
++ my $buttons=["Blog!"];
++ $form->field(name => "do", type => "hidden", value => "blogpost",
++ force => 1);
++ if (! $form->submitted){
++ printheader($session);
++ print misctemplate($form->title, $form->render(submit => $buttons));
++ exit;
++ }
++ else {
++ my $page = blogpage($form->field("title"));
++ $cgi->param("do", "create");
++ $cgi->param("page", $page);
++ }
++
++} #}}}
++
++sub blogpage ($) { #{{{
++ my $title=shift;
++ my $page=POSIX::strftime $config{blogformat}, localtime;
++ $page =~ s/\$title/$title/;
++ return $page;
++} #}}}
++
++sub canedit ($$$) { #{{{
++ my $page=shift;
++ my $cgi=shift;
++ my $session=shift;
++
++ return "" unless pagespec_match($page, $config{blogpagespec});
++ my $user=$session->param("name");
++ IkiWiki::needsignin($cgi, $session) unless defined $user;
++
++ return "" if ($config{blogusers} eq "*" ||
++ grep {$_ eq $user} $config{blogusers});
++ return ("not allowed to blog, $user");
++} #}}}
++
++1
+Index: IkiWiki.pm
+===================================================================
+--- IkiWiki.pm (revision 3968)
++++ IkiWiki.pm (working copy)
+@@ -17,6 +17,7 @@
+ our @EXPORT = qw(hook debug error template htmlpage add_depends pagespec_match
+ bestlink htmllink readfile writefile pagetype srcfile pagename
+ displaytime will_render gettext urlto targetpage
++ misctemplate printheader
+ %config %links %renderedfiles %pagesources %destsources);
+ our $VERSION = 2.00; # plugin interface version, next is ikiwiki version
+ our $version='unknown'; # VERSION_AUTOREPLACE done by Makefile, DNE
+</pre> \ No newline at end of file