export FOAF

darcs-hash:20080610121132-84dde-f0f49c2e33c650e6cf91d3e31f595b0ee570e603.gz

diff --git a/actions/foaf.php b/actions/foaf.php
new file mode 100644 (file)
index 0000000..d005510
--- /dev/null
+++ b/actions/foaf.php
@@ -0,0 +1,186 @@
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+define('LISTENER', 1);
+define('LISTENEE', -1);
+define('BOTH', 0);
+
+class FoafAction extends Action {
+       
+       function handle($args) {
+               parent::handle($args);
+
+               $nickname = $this->trimmed('nickname');
+               
+               $user = User::staticGet('nickname', $nickname);
+               
+               if (!$user) {
+                       common_user_error(_t('No such user'), 404);
+                       return;
+               }
+
+               $profile = $user->getProfile();
+
+               if (!$profile) {
+                       common_server_error(_t('User has no profile'), 500);
+                       return;
+               }
+               
+               header('Content-Type: application/rdf+xml');
+
+               common_start_xml();
+               common_element_start('rdf:RDF', array('xmlns:rdf' =>
+                                                                                         'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
+                                                                                         'xmlns:rdfs' =>
+                                                                                         'http://www.w3.org/2000/01/rdf-schema#',
+                                                                                         'xmlns' => 'http://xmlns.com/foaf/0.1/'));
+
+               # This is the document about the user
+               
+               $this->show_ppd('', $user->uri);
+               
+               # XXX: might not be a person
+               common_element_start('Person', array('rdf:about' =>
+                                                                                        $user->uri));
+               common_element('mbox_sha1sum', NULL, sha1('mailto:' . $user->email));
+               if ($profile->fullname) {
+                       common_element('name', NULL, $profile->fullname);
+               }
+               if ($profile->homepage) {
+                       common_element('homepage', array('rdf:resource' => $profile->homepage));
+               }
+               if ($profile->bio) {
+                       common_element('rdfs:comment', NULL, $profile->bio);
+               }
+               # XXX: more structured location data
+               if ($profile->location) {
+                       common_element_start('based_near');
+                       common_element_start('geo:SpatialThing');
+                       common_element('name', NULL, $profile->location);
+                       common_element_end('geo:SpatialThing');
+                       common_element_end('based_near');
+               }
+
+               $this->show_microblogging_account($profile, common_root_url());
+
+               $avatar = $profile->getOriginalAvatar();
+
+               if ($avatar) {
+                       common_element_start('img');
+                       common_element_start('Image', array('rdf:about' => $avatar->url));
+                       foreach (array(AVATAR_PROFILE_SIZE, AVATAR_STREAM_SIZE, AVATAR_MINI_SIZE) as $size) {
+                               $scaled = $profile->getAvatar($size);
+                               if (!$scaled->original) { # sometimes the original has one of our scaled sizes
+                                       common_element_start('thumbnail');
+                                       common_element('Image', array('rdf:about', $scaled->url));
+                                       common_element_end('thumbnail');
+                               }
+                       }
+                       common_element_end('Image');
+                       common_element_end('img');
+               }
+
+               # Get people user is subscribed to
+               
+               $person = array();
+
+               $sub = new Subscription();
+               $sub->subscriber = $profile->id;
+
+               if ($sub->find()) {
+                       while ($sub->fetch()) {
+                               if ($sub->token) {
+                                       $other = Remote_profile::staticGet($sub->subscribed);
+                               } else {
+                                       $other = User::staticGet($sub->subscribed);
+                               }
+                               common_element('knows', array('rdf:about', $other->uri));
+                               $person[$other->uri] = array(LISTENEE, $other);
+                       }
+               }
+
+               # Get people who subscribe to user
+
+               $sub = new Subscription();
+               $sub->subscribed = $profile->id;
+
+               if ($sub->find()) {
+                       while ($sub->fetch()) {
+                               if ($sub->token) {
+                                       $other = Remote_profile::staticGet($sub->subscribed);
+                               } else {
+                                       $other = User::staticGet($sub->subscribed);
+                               }
+                               if (array_key_exists($other->uri, $person)) {
+                                       $person[$other->uri][0] = BOTH;
+                               } else {
+                                       $person[$other->uri] = array(LISTENER, $other);
+                               }
+                       }
+               }
+               
+               common_element_end('Person');
+
+               foreach ($person as $uri => $p) {
+                       $foaf_url = NULL;
+                       if ($p[1] instanceof User) {
+                               $foaf_url = common_local_url('foaf', array('nickname' => $p[1]->nickname));
+                       }
+                       $profile = Profile::staticGet($p[1]->id);
+                       common_element_start('Person', array('rdf:about' => $uri));
+                       if ($p[0] == LISTENER || $p[0] == BOTH) {
+                               common_element('knows', array('rdf:about', $user->uri));
+                       }
+                       $this->show_microblogging_account($profile, ($p[1] instanceof User) ?
+                                                                                         common_root_url() : NULL);
+                       if ($foaf_url) {
+                               common_element('rdfs:seeAlso', array('rdf:resource' => $foaf_url));
+                       }
+                       common_element_end('Person');
+                       if ($foaf_url) {
+                               $this->show_ppd($foaf_url, $uri);
+                       }
+               }
+               
+               common_element_end('rdf:RDF');
+       }
+       
+       function show_ppd($foaf_url, $person_uri) {
+               common_element_start('PersonalProfileDocument', array('rdf:about' => $foaf_url));
+               common_element('maker', array('rdf:resource' => $person_uri));
+               common_element('primaryTopic', array('rdf:resource' => $person_uri));
+               common_element_end('PersonalProfileDocument');
+       }
+       
+       function show_microblogging_account($profile, $service=NULL) {
+               # Their account
+               common_element_start('holdsAccount');
+               common_element_start('OnlineAccount');
+               if ($service) {
+                       common_element('accountServiceHomepage', array('rdf:resource' =>
+                                                                                                                  $service));
+               }
+               common_element('accountName', NULL, $profile->nickname);
+               common_element('homepage', array('rdf:resource' => $profile->profileurl));
+               common_element_end('OnlineAccount');
+               common_element_end('holdsAccount');
+       }
+}

diff --git a/doc/TODO b/doc/TODO
index 3f8321507de98a686ab0923e28ac45af9e2d9755..08165fe723200a74fa1a7692c46a6932cdfe3c8f 100644 (file)
--- a/doc/TODO
+++ b/doc/TODO
@@ -62,19 +62,19 @@
 + server side of access token
 + OAuth store
 + log of consumers who ask for access
-- receive remote notice
-- send remote notice
++ receive remote notice
++ send remote notice
 - receive remote profile update
 - send remote profile update
 + subscribe form for not-logged-in users on showstream
-- pretty URLs
++ pretty URLs
 + doc action
 + about doc
 - help doc
 + privacy doc
 + source doc
-- FOAF dump for user
-- license in RSS feeds
+- FOAF document for user
++ license in RSS feeds
 + TOS checkbox on register
 - instructions
 - fix spacing on notices
@@ -109,6 +109,7 @@
 - Vary
 - site logo
 - check license compatibility for remote subscribe
+- optional FOAF URL in openmicroblogging exchange
 - release 0.4
 - content negotiation for charset (iconv?)
 - license per notice

diff --git a/htaccess.sample b/htaccess.sample
index 39e16f2390436d806c5b1c6849a213104a866579..0bd7b990778a633ac9407e24a94dc0e0daf56245 100644 (file)
--- a/htaccess.sample
+++ b/htaccess.sample
@@ -36,5 +36,6 @@ RewriteRule ^(\w+)/xrds$ index.php?action=xrds&nickname=$1 [L,QSA]
 RewriteRule ^(\w+)/rss$ index.php?action=userrss&nickname=$1 [L,QSA]
 RewriteRule ^(\w+)/all$ index.php?action=all&nickname=$1 [L,QSA]
 RewriteRule ^(\w+)/all/rss$ index.php?action=allrss&nickname=$1 [L,QSA]
+RewriteRule ^(\w+)/foaf$ index.php?action=foaf&nickname=$1 [L,QSA]
 
 RewriteRule ^(\w+)$ index.php?action=showstream&nickname=$1 [L,QSA]

diff --git a/lib/util.php b/lib/util.php
index f59094c062e7b513b85104a2cc45abac194249bb..900fd9a580a1f25dc7765a638696224af2d2cad3 100644 (file)
--- a/lib/util.php
+++ b/lib/util.php
@@ -516,6 +516,7 @@ function common_fancy_url($action, $args=NULL) {
         case 'subscribed':
         case 'xrds':           
         case 'all':
+        case 'foaf':
                return common_path($args['nickname'].'/'.$action);
         case 'allrss':
                return common_path($args['nickname'].'/all/rss');