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-rw-r--r--plugins/OStatus/lib/feedmunger.php350
1 files changed, 0 insertions, 350 deletions
diff --git a/plugins/OStatus/lib/feedmunger.php b/plugins/OStatus/lib/feedmunger.php
deleted file mode 100644
index e8c46de90..000000000
--- a/plugins/OStatus/lib/feedmunger.php
+++ /dev/null
@@ -1,350 +0,0 @@
-<?php
-/*
- * StatusNet - the distributed open-source microblogging tool
- * Copyright (C) 2009, StatusNet, 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/>.
- */
-
-/**
- * @package FeedSubPlugin
- * @maintainer Brion Vibber <brion@status.net>
- */
-
-if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
-
-class FeedSubPreviewNotice extends Notice
-{
- protected $fetched = true;
-
- function __construct($profile)
- {
- $this->profile = $profile;
- $this->profile_id = 0;
- }
-
- function getProfile()
- {
- return $this->profile;
- }
-
- function find()
- {
- return true;
- }
-
- function fetch()
- {
- $got = $this->fetched;
- $this->fetched = false;
- return $got;
- }
-}
-
-class FeedSubPreviewProfile extends Profile
-{
- function getAvatar($width, $height=null)
- {
- return new FeedSubPreviewAvatar($width, $height, $this->avatar);
- }
-}
-
-class FeedSubPreviewAvatar extends Avatar
-{
- function __construct($width, $height, $remote)
- {
- $this->remoteImage = $remote;
- }
-
- function displayUrl() {
- return $this->remoteImage;
- }
-}
-
-class FeedMunger
-{
- /**
- * @param XML_Feed_Parser $feed
- */
- function __construct($feed, $url=null)
- {
- $this->feed = $feed;
- $this->url = $url;
- }
-
- function ostatusProfile()
- {
- $profile = new Ostatus_profile();
- $profile->feeduri = $this->url;
- $profile->homeuri = $this->feed->link;
- $profile->huburi = $this->getHubLink();
- $salmon = $this->getSalmonLink();
- if ($salmon) {
- $profile->salmonuri = $salmon;
- }
- return $profile;
- }
-
- function getAtomLink($item, $attribs=array())
- {
- // XML_Feed_Parser gets confused by multiple <link> elements.
- $dom = $item->model;
-
- // Note that RSS feeds would embed an <atom:link> so this should work for both.
- /// http://code.google.com/p/pubsubhubbub/wiki/RssFeeds
- // <link rel='hub' href='http://pubsubhubbub.appspot.com/'/>
- $links = $dom->getElementsByTagNameNS('http://www.w3.org/2005/Atom', 'link');
- for ($i = 0; $i < $links->length; $i++) {
- $node = $links->item($i);
- if ($node->hasAttributes()) {
- $href = $node->attributes->getNamedItem('href');
- if ($href) {
- $matches = 0;
- foreach ($attribs as $name => $val) {
- $attrib = $node->attributes->getNamedItem($name);
- if ($attrib && $attrib->value == $val) {
- $matches++;
- }
- }
- if ($matches == count($attribs)) {
- return $href->value;
- }
- }
- }
- }
- return false;
- }
-
- function getRssLink($item)
- {
- // XML_Feed_Parser gets confused by multiple <link> elements.
- $dom = $item->model;
-
- // Note that RSS feeds would embed an <atom:link> so this should work for both.
- /// http://code.google.com/p/pubsubhubbub/wiki/RssFeeds
- // <link rel='hub' href='http://pubsubhubbub.appspot.com/'/>
- $links = $dom->getElementsByTagName('link');
- for ($i = 0; $i < $links->length; $i++) {
- $node = $links->item($i);
- if (!$node->hasAttributes()) {
- return $node->textContent;
- }
- }
- return false;
- }
-
- function getAltLink($item)
- {
- // Check for an atom link...
- $link = $this->getAtomLink($item, array('rel' => 'alternate', 'type' => 'text/html'));
- if (!$link) {
- $link = $this->getRssLink($item);
- }
- return $link;
- }
-
- function getHubLink()
- {
- return $this->getAtomLink($this->feed, array('rel' => 'hub'));
- }
-
- function getSalmonLink()
- {
- return $this->getAtomLink($this->feed, array('rel' => 'salmon'));
- }
-
- function getSelfLink()
- {
- return $this->getAtomLink($this->feed, array('rel' => 'self'));
- }
-
- /**
- * Get an appropriate avatar image source URL, if available.
- * @return mixed string or false
- */
- function getAvatar()
- {
- $logo = $this->feed->logo;
- if ($logo) {
- return $logo;
- }
- $icon = $this->feed->icon;
- if ($icon) {
- return $icon;
- }
- return common_path('plugins/OStatus/images/48px-Feed-icon.svg.png');
- }
-
- function profile($preview=false)
- {
- if ($preview) {
- $profile = new FeedSubPreviewProfile();
- } else {
- $profile = new Profile();
- }
-
- // @todo validate/normalize nick?
- $profile->nickname = $this->feed->title;
- $profile->fullname = $this->feed->title;
- $profile->homepage = $this->getAltLink($this->feed);
- $profile->bio = $this->feed->description;
- $profile->profileurl = $this->getAltLink($this->feed);
-
- if ($preview) {
- $profile->avatar = $this->getAvatar();
- }
-
- // @todo tags from categories
- // @todo lat/lon/location?
-
- return $profile;
- }
-
- function notice($index=1, $preview=false)
- {
- $entry = $this->feed->getEntryByOffset($index);
- if (!$entry) {
- return null;
- }
-
- if ($preview) {
- $notice = new FeedSubPreviewNotice($this->profile(true));
- $notice->id = -1;
- } else {
- $notice = new Notice();
- $notice->profile_id = $this->profileIdForEntry($index);
- }
-
- $link = $this->getAltLink($entry);
- if (empty($link)) {
- if (preg_match('!^https?://!', $entry->id)) {
- $link = $entry->id;
- common_log(LOG_DEBUG, "No link on entry, using URL from id: $link");
- }
- }
- $notice->uri = $link;
- $notice->url = $link;
- $notice->content = $this->noticeFromEntry($entry);
- $notice->rendered = common_render_content($notice->content, $notice); // @fixme this is failing on group posts
- $notice->created = common_sql_date($entry->updated); // @fixme
- $notice->is_local = Notice::GATEWAY;
- $notice->source = 'feed';
-
- $location = $this->getLocation($entry);
- if ($location) {
- if ($location->location_id) {
- $notice->location_ns = $location->location_ns;
- $notice->location_id = $location->location_id;
- }
- $notice->lat = $location->lat;
- $notice->lon = $location->lon;
- }
-
- return $notice;
- }
-
- function profileIdForEntry($index=1)
- {
- // hack hack hack
- // should get profile for this entry's author...
- $feeduri = $this->getSelfLink();
- $remote = Ostatus_profile::staticGet('feeduri', $feeduri);
- if ($remote) {
- return $remote->profile_id;
- } else {
- throw new Exception("Can't find feed profile for $feeduri");
- }
- }
-
- /**
- * Parse location given as a GeoRSS-simple point, if provided.
- * http://www.georss.org/simple
- *
- * @param feed item $entry
- * @return mixed Location or false
- */
- function getLocation($entry)
- {
- $dom = $entry->model;
- $points = $dom->getElementsByTagNameNS('http://www.georss.org/georss', 'point');
-
- for ($i = 0; $i < $points->length; $i++) {
- $point = $points->item(0)->textContent;
- $point = str_replace(',', ' ', $point); // per spec "treat commas as whitespace"
- $point = preg_replace('/\s+/', ' ', $point);
- $point = trim($point);
- $coords = explode(' ', $point);
- if (count($coords) == 2) {
- list($lat, $lon) = $coords;
- if (is_numeric($lat) && is_numeric($lon)) {
- common_log(LOG_INFO, "Looking up location for $lat $lon from georss");
- return Location::fromLatLon($lat, $lon);
- }
- }
- common_log(LOG_ERR, "Ignoring bogus georss:point value $point");
- }
-
- return false;
- }
-
- /**
- * @param XML_Feed_Type $entry
- * @return string notice text, within post size limit
- */
- function noticeFromEntry($entry)
- {
- $max = Notice::maxContent();
- $ellipsis = "\xe2\x80\xa6"; // U+2026 HORIZONTAL ELLIPSIS
- $title = $entry->title;
- $link = $entry->link;
-
- // @todo We can get <category> entries like this:
- // $cats = $entry->getCategory('category', array(0, true));
- // but it feels like an awful hack. If it's accessible cleanly,
- // try adding #hashtags from the categories/tags on a post.
-
- $title = $entry->title;
- $link = $this->getAltLink($entry);
- if ($link) {
- // Blog post or such...
- // @todo Should we force a language here?
- $format = _m('New post: "%1$s" %2$s');
- $out = sprintf($format, $title, $link);
-
- // Trim link if needed...
- if (mb_strlen($out) > $max) {
- $link = common_shorten_url($link);
- $out = sprintf($format, $title, $link);
- }
-
- // Trim title if needed...
- if (mb_strlen($out) > $max) {
- $used = mb_strlen($out) - mb_strlen($title);
- $available = $max - $used - mb_strlen($ellipsis);
- $title = mb_substr($title, 0, $available) . $ellipsis;
- $out = sprintf($format, $title, $link);
- }
- } else {
- // No link? Consider a bare status update.
- if (mb_strlen($title) > $max) {
- $available = $max - mb_strlen($ellipsis);
- $out = mb_substr($title, 0, $available) . $ellipsis;
- } else {
- $out = $title;
- }
- }
-
- return $out;
- }
-}
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