PHP SimplePie::get_links方法代码示例

/**
 *
 * consume_feed - process atom feed and update anything/everything we might need to update
 *
 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
 *
 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
 *             It is this person's stuff that is going to be updated.
 * $contact =  the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
 *             from an external network and MAY create an appropriate contact record. Otherwise, we MUST
 *             have a contact record.
 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or
 *        might not) try and subscribe to it.
 * $datedir sorts in reverse order
 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been
 *      imported prior to its children being seen in the stream unless we are certain
 *      of how the feed is arranged/ordered.
 * With $pass = 1, we only pull parent items out of the stream.
 * With $pass = 2, we only pull children (comments/likes).
 *
 * So running this twice, first with pass 1 and then with pass 2 will do the right
 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
 * model where comments can have sub-threads. That would require some massive sorting
 * to get all the feed items into a mostly linear ordering, and might still require
 * recursion.
 */
function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0)
{
    if ($contact['network'] === NETWORK_OSTATUS) {
        if ($pass < 2) {
            // Test - remove before flight
            //$tempfile = tempnam(get_temppath(), "ostatus2");
            //file_put_contents($tempfile, $xml);
            logger("Consume OStatus messages ", LOGGER_DEBUG);
            ostatus_import($xml, $importer, $contact, $hub);
        }
        return;
    }
    if ($contact['network'] === NETWORK_FEED) {
        if ($pass < 2) {
            logger("Consume feeds", LOGGER_DEBUG);
            feed_import($xml, $importer, $contact, $hub);
        }
        return;
    }
    require_once 'library/simplepie/simplepie.inc';
    require_once 'include/contact_selectors.php';
    if (!strlen($xml)) {
        logger('consume_feed: empty input');
        return;
    }
    $feed = new SimplePie();
    $feed->set_raw_data($xml);
    if ($datedir) {
        $feed->enable_order_by_date(true);
    } else {
        $feed->enable_order_by_date(false);
    }
    $feed->init();
    if ($feed->error()) {
        logger('consume_feed: Error parsing XML: ' . $feed->error());
    }
    $permalink = $feed->get_permalink();
    // Check at the feed level for updated contact name and/or photo
    $name_updated = '';
    $new_name = '';
    $photo_timestamp = '';
    $photo_url = '';
    $birthday = '';
    $contact_updated = '';
    $hubs = $feed->get_links('hub');
    logger('consume_feed: hubs: ' . print_r($hubs, true), LOGGER_DATA);
    if (count($hubs)) {
        $hub = implode(',', $hubs);
    }
    $rawtags = $feed->get_feed_tags(NAMESPACE_DFRN, 'owner');
    if (!$rawtags) {
        $rawtags = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
    }
    if ($rawtags) {
        $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
        if ($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
            $new_name = $elems['name'][0]['data'];
            // Manually checking for changed contact names
            if ($new_name != $contact['name'] and $new_name != "" and $name_updated <= $contact['name-date']) {
                $name_updated = date("c");
                $photo_timestamp = date("c");
            }
        }
        if (x($elems, 'link') && $elems['link'][0]['attribs']['']['rel'] === 'photo' && $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            if ($photo_timestamp == "") {
                $photo_timestamp = datetime_convert('UTC', 'UTC', $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
            }
            $photo_url = $elems['link'][0]['attribs']['']['href'];
        }
        if (x($rawtags[0]['child'], NAMESPACE_DFRN) && x($rawtags[0]['child'][NAMESPACE_DFRN], 'birthday')) {
            $birthday = datetime_convert('UTC', 'UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
        }
    }
//.........这里部分代码省略.........

/**
 *
 * consume_feed - process atom feed and update anything/everything we might need to update
 *
 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
 *
 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
 *             It is this person's stuff that is going to be updated.
 * $contact =  the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
 *             from an external network and MAY create an appropriate contact record. Otherwise, we MUST 
 *             have a contact record.
 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or 
 *        might not) try and subscribe to it.
 * $datedir sorts in reverse order
 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been 
 *      imported prior to its children being seen in the stream unless we are certain
 *      of how the feed is arranged/ordered.
 * With $pass = 1, we only pull parent items out of the stream.
 * With $pass = 2, we only pull children (comments/likes).
 *
 * So running this twice, first with pass 1 and then with pass 2 will do the right
 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
 * model where comments can have sub-threads. That would require some massive sorting
 * to get all the feed items into a mostly linear ordering, and might still require
 * recursion.  
 */
function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0)
{
    require_once 'library/simplepie/simplepie.inc';
    if (!strlen($xml)) {
        logger('consume_feed: empty input');
        return;
    }
    $feed = new SimplePie();
    $feed->set_raw_data($xml);
    if ($datedir) {
        $feed->enable_order_by_date(true);
    } else {
        $feed->enable_order_by_date(false);
    }
    $feed->init();
    if ($feed->error()) {
        logger('consume_feed: Error parsing XML: ' . $feed->error());
    }
    $permalink = $feed->get_permalink();
    // Check at the feed level for updated contact name and/or photo
    $name_updated = '';
    $new_name = '';
    $photo_timestamp = '';
    $photo_url = '';
    $birthday = '';
    $hubs = $feed->get_links('hub');
    if (count($hubs)) {
        $hub = implode(',', $hubs);
    }
    $rawtags = $feed->get_feed_tags(NAMESPACE_DFRN, 'owner');
    if (!$rawtags) {
        $rawtags = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
    }
    if ($rawtags) {
        $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
        if ($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
            $new_name = $elems['name'][0]['data'];
        }
        if (x($elems, 'link') && $elems['link'][0]['attribs']['']['rel'] === 'photo' && $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $photo_timestamp = datetime_convert('UTC', 'UTC', $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
            $photo_url = $elems['link'][0]['attribs']['']['href'];
        }
        if (x($rawtags[0]['child'], NAMESPACE_DFRN) && x($rawtags[0]['child'][NAMESPACE_DFRN], 'birthday')) {
            $birthday = datetime_convert('UTC', 'UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
        }
    }
    if (is_array($contact) && $photo_timestamp && strlen($photo_url) && $photo_timestamp > $contact['avatar-date']) {
        logger('consume_feed: Updating photo for ' . $contact['name']);
        require_once "Photo.php";
        $photo_failure = false;
        $have_photo = false;
        $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1", intval($contact['id']), intval($contact['uid']));
        if (count($r)) {
            $resource_id = $r[0]['resource-id'];
            $have_photo = true;
        } else {
            $resource_id = photo_new_resource();
        }
        $img_str = fetch_url($photo_url, true);
        $img = new Photo($img_str);
        if ($img->is_valid()) {
            if ($have_photo) {
                q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d", dbesc($resource_id), intval($contact['id']), intval($contact['uid']));
            }
            $img->scaleImageSquare(175);
            $hash = $resource_id;
            $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 4);
            $img->scaleImage(80);
            $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 5);
            $img->scaleImage(48);
            $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 6);
            $a = get_app();
            q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'  \n\t\t\t\tWHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(datetime_convert()), dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'), dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'), dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'), intval($contact['uid']), intval($contact['id']));
//.........这里部分代码省略.........

function feed_meta($xml)
{
    require_once 'library/simplepie/simplepie.inc';
    $ret = array();
    if (!strlen($xml)) {
        logger('empty input');
        return $ret;
    }
    $feed = new SimplePie();
    $feed->set_raw_data($xml);
    $feed->init();
    if ($feed->error()) {
        logger('Error parsing XML: ' . $feed->error());
        return $ret;
    }
    $ret['hubs'] = $feed->get_links('hub');
    //     logger('consume_feed: hubs: ' . print_r($hubs,true), LOGGER_DATA);
    $author = array();
    $found_author = $feed->get_author();
    if ($found_author) {
        $author['author_name'] = unxmlify($found_author->get_name());
        $author['author_link'] = unxmlify($found_author->get_link());
        $rawauthor = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
        logger('rawauthor: ' . print_r($rawauthor, true));
        if ($rawauthor) {
            if ($rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link']) {
                $base = $rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['link'];
                foreach ($base as $link) {
                    if (!x($author, 'author_photo') || !$author['author_photo']) {
                        if ($link['attribs']['']['rel'] === 'photo' || $link['attribs']['']['rel'] === 'avatar') {
                            $author['author_photo'] = unxmlify($link['attribs']['']['href']);
                            break;
                        }
                    }
                }
            }
            if ($rawauthor[0]['child'][NAMESPACE_POCO]['displayName'][0]['data']) {
                $author['full_name'] = unxmlify($rawauthor[0]['child'][NAMESPACE_POCO]['displayName'][0]['data']);
            }
            if ($rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']) {
                $author['author_uri'] = unxmlify($rawauthor[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data']);
            }
        }
    }
    if (substr($author['author_link'], -1, 1) == '/') {
        $author['author_link'] = substr($author['author_link'], 0, -1);
    }
    $ret['author'] = $author;
    return $ret;
}

//.........这里部分代码省略.........
        //			if ($debug_enabled) {
        //				print_r($filters);
        //			}
        if ($use_simplepie) {
            $iterator = $rss->get_items();
        } else {
            $iterator = $rss->items;
            if (!$iterator || !is_array($iterator)) {
                $iterator = $rss->entries;
            }
            if (!$iterator || !is_array($iterator)) {
                $iterator = $rss;
            }
        }
        if (!is_array($iterator)) {
            /* db_query($link, "UPDATE ttrss_feeds
            			SET last_error = 'Parse error: can\'t find any articles.'
            			WHERE id = '$feed'"); */
            // clear any errors and mark feed as updated if fetched okay
            // even if it's blank
            if ($debug_enabled) {
                _debug("update_rss_feed: entry iterator is not an array, no articles?");
            }
            db_query($link, "UPDATE ttrss_feeds\n\t\t\t\t\tSET last_updated = NOW(), last_error = '' WHERE id = '{$feed}'");
            return;
            // no articles
        }
        if ($pubsub_state != 2 && PUBSUBHUBBUB_ENABLED) {
            if ($debug_enabled) {
                _debug("update_rss_feed: checking for PUSH hub...");
            }
            $feed_hub_url = false;
            if ($use_simplepie) {
                $links = $rss->get_links('hub');
                if ($links && is_array($links)) {
                    foreach ($links as $l) {
                        $feed_hub_url = $l;
                        break;
                    }
                }
            } else {
                $atom = $rss->channel['atom'];
                if ($atom) {
                    if ($atom['link@rel'] == 'hub') {
                        $feed_hub_url = $atom['link@href'];
                    }
                    if (!$feed_hub_url && $atom['link#'] > 1) {
                        for ($i = 2; $i <= $atom['link#']; $i++) {
                            if ($atom["link#{$i}@rel"] == 'hub') {
                                $feed_hub_url = $atom["link#{$i}@href"];
                                break;
                            }
                        }
                    }
                } else {
                    $feed_hub_url = $rss->channel['link_hub'];
                }
            }
            if ($debug_enabled) {
                _debug("update_rss_feed: feed hub url: {$feed_hub_url}");
            }
            if ($feed_hub_url && function_exists('curl_init') && !ini_get("open_basedir")) {
                require_once 'lib/pubsubhubbub/subscriber.php';
                $callback_url = get_self_url_prefix() . "/public.php?op=pubsub&id={$feed}";
                $s = new Subscriber($feed_hub_url, $callback_url);
                $rc = $s->subscribe($fetch_url);