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