mirror of
https://github.com/friendica/friendica
synced 2024-12-23 02:40:17 +00:00
401 lines
12 KiB
PHP
401 lines
12 KiB
PHP
<?php
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require_once('boot.php');
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$a = new App;
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@include('.htconfig.php');
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require_once('dba.php');
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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unset($db_host, $db_user, $db_pass, $db_data);
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require_once('session.php');
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require_once('datetime.php');
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require_once('simplepie/simplepie.inc');
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require_once('include/items.php');
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require_once('include/Contact.php');
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$debugging = get_config('system','debugging');
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$a->set_baseurl(get_config('system','url'));
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$contacts = q("SELECT * FROM `contact`
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WHERE ( `dfrn-id` != '' OR (`issued-id` != '' AND `duplex` = 1))
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AND `self` = 0 AND `blocked` = 0 AND `readonly` = 0 ORDER BY RAND()");
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if(! count($contacts))
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killme();
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foreach($contacts as $contact) {
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if($contact['priority']) {
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$update = false;
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$t = $contact['last-update'];
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switch ($contact['priority']) {
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case 5:
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', t . " + 1 month"))
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$update = true;
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break;
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case 4:
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', t . " + 1 week"))
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$update = true;
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break;
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case 3:
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', t . " + 1 day"))
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$update = true;
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break;
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case 2:
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', t . " + 12 hour"))
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$update = true;
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break;
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case 1:
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default:
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if(datetime_convert('UTC','UTC', 'now') > datetime_convert('UTC','UTC', t . " + 1 hour"))
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$update = true;
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break;
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}
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if(! $update)
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continue;
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}
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$importer_uid = $contact['uid'];
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
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intval($importer_uid)
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);
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if(! count($r))
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continue;
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$importer = $r[0];
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if($debugging)
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echo "IMPORTER: {$importer['name']}";
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$last_update = (($contact['last-update'] === '0000-00-00 00:00:00')
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? datetime_convert('UTC','UTC','now - 30 days','Y-m-d\TH:i:s\Z')
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: datetime_convert('UTC','UTC',$contact['last-update'],'Y-m-d\TH:i:s\Z'));
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$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
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if(intval($contact['duplex']) && $contact['dfrn-id'])
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$idtosend = '0:' . $orig_id;
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if(intval($contact['duplex']) && $contact['issued-id'])
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$idtosend = '1:' . $orig_id;
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$url = $contact['poll'] . '?dfrn_id=' . $idtosend . '&type=data&last_update=' . $last_update ;
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$xml = fetch_url($url);
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if($debugging) {
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echo "URL: " . $url . "\r\n";
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echo "XML: " . $xml . "\r\n";
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}
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if(! $xml) {
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// dead connection - might be a transient event, or this might
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// mean the software was uninstalled or the domain expired.
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// Will keep trying for one month.
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mark_for_death($contact);
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continue;
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}
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$res = simplexml_load_string($xml);
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if(intval($res->status) == 1) {
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// we may not be friends anymore. Will keep trying for one month.
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mark_for_death($contact);
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}
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else {
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if($contact['term-date'] != '0000-00-00 00:00:00')
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unmark_for_death($contact);
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}
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if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
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continue;
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$postvars = array();
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$sent_dfrn_id = hex2bin($res->dfrn_id);
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$challenge = hex2bin($res->challenge);
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$final_dfrn_id = '';
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if(($contact['duplex']) && strlen($contact['prvkey'])) {
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openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
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openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
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}
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else {
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openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
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openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
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}
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$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
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if(strpos($final_dfrn_id,':') == 1)
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$final_dfrn_id = substr($final_dfrn_id,2);
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if($final_dfrn_id != $orig_id) {
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// did not decode properly - cannot trust this site
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continue;
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}
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$postvars['dfrn_id'] = $idtosend;
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$xml = post_url($contact['poll'],$postvars);
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if($debugging) {
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echo "XML response:" . $xml . "\r\n";
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echo "Length:" . strlen($xml) . "\r\n";
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}
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if(! strlen($xml))
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continue;
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$feed = new SimplePie();
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$feed->set_raw_data($xml);
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$feed->enable_order_by_date(false);
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$feed->init();
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// Check at the feed level for updated contact name and/or photo
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$name_updated = '';
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$new_name = '';
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$photo_timestamp = '';
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$photo_url = '';
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$rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, author);
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if($rawtags) {
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$elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
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if($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
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$name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
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$new_name = $elems['name'][0]['data'];
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}
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if(($elems['link'][0]['attribs']['']['rel'] === 'photo') && ($elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated'])) {
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$photo_timestamp = datetime_convert('UTC','UTC',$elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
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$photo_url = $elems['link'][0]['attribs']['']['href'];
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}
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}
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if(! $photo_timestamp) {
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$photo_rawupdate = $feed->get_feed_tags(NAMESPACE_DFRN,'icon-updated');
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if($photo_rawupdate) {
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$photo_timestamp = datetime_convert('UTC','UTC',$photo_rawupdate[0]['data']);
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$photo_url = $feed->get_image_url();
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}
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}
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if(($photo_timestamp) && (strlen($photo_url)) && ($photo_timestamp > $contact['avatar-date'])) {
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require_once("Photo.php");
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$photo_failure = false;
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$r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1",
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intval($contact['id']),
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intval($contact['uid'])
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);
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if(count($r)) {
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$resource_id = $r[0]['resource-id'];
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$img_str = fetch_url($photo_url,true);
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$img = new Photo($img_str);
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if($img) {
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q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND contact-id` = %d AND `uid` = %d",
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dbesc($resource_id),
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intval($contact['id']),
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intval($contact['uid'])
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);
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$img->scaleImageSquare(175);
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$hash = $resource_id;
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$r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 4);
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$img->scaleImage(80);
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$r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), t('Contact Photos') , 5);
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if($r)
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q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
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dbesc(datetime_convert()),
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intval($contact['uid']),
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intval($contact['id'])
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);
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}
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}
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}
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if(($name_updated) && (strlen($new_name)) && ($name_updated > $contact['name-date'])) {
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q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
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dbesc(notags(trim($new_name))),
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dbesc(datetime_convert()),
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intval($contact['uid']),
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intval($contact['id'])
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);
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}
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// Now process the feed
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if($feed->get_item_quantity()) {
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foreach($feed->get_items() as $item) {
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$deleted = false;
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$rawdelete = $item->get_item_tags( NAMESPACE_TOMB, 'deleted-entry');
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if(isset($rawdelete[0]['attribs']['']['ref'])) {
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$uri = $rawthread[0]['attribs']['']['ref'];
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$deleted = true;
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if(isset($rawdelete[0]['attribs']['']['when'])) {
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$when = $rawthread[0]['attribs']['']['when'];
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$when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
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}
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else
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$when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
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}
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if($deleted) {
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$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($uri),
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intval($importer['uid'])
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);
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if(count($r)) {
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$item = $r[0];
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if($item['uri'] == $item['parent-uri']) {
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$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
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`body` = '', `title` = ''
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WHERE `parent-uri` = '%s' AND `uid` = %d",
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dbesc($when),
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dbesc(datetime_convert()),
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dbesc($item['uri']),
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intval($importer['uid'])
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);
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}
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else {
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$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s',
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`body` = '', `title` = ''
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WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($when),
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dbesc(datetime_convert()),
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dbesc($uri),
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intval($importer['uid'])
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);
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if($item['last-child']) {
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// ensure that last-child is set in case the comment that had it just got wiped.
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$q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
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dbesc(datetime_convert()),
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dbesc($item['parent-uri']),
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intval($item['uid'])
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);
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// who is the last child now?
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$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
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ORDER BY `edited` DESC LIMIT 1",
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dbesc($item['parent-uri']),
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intval($importer['uid'])
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);
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if(count($r)) {
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q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
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intval($r[0]['id'])
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);
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}
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}
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}
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}
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continue;
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}
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$is_reply = false;
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$item_id = $item->get_id();
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$rawthread = $item->get_item_tags( NAMESPACE_THREAD,'in-reply-to');
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if(isset($rawthread[0]['attribs']['']['ref'])) {
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$is_reply = true;
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$parent_uri = $rawthread[0]['attribs']['']['ref'];
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}
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if($is_reply) {
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// Have we seen it? If not, import it.
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$item_id = $item->get_id();
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$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($item_id),
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intval($importer['uid'])
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);
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// FIXME update content if 'updated' changes
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if(count($r)) {
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$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
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if($allow && $allow[0]['data'] != $r[0]['last-child']) {
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$r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
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dbesc(datetime_convert()),
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dbesc($parent_uri),
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intval($importer['uid'])
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);
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$r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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intval($allow[0]['data']),
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dbesc(datetime_convert()),
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dbesc($item_id),
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intval($importer['uid'])
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);
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}
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continue;
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}
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$datarray = get_atom_elements($item);
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$datarray['parent-uri'] = $parent_uri;
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$datarray['uid'] = $importer['uid'];
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$datarray['contact-id'] = $contact['id'];
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if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
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$datarray['type'] = 'activity';
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$datarray['gravity'] = GRAVITY_LIKE;
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}
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$r = item_store($datarray);
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continue;
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}
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else {
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// Head post of a conversation. Have we seen it? If not, import it.
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$item_id = $item->get_id();
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$r = q("SELECT `uid`, `last-child`, `edited` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($item_id),
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intval($importer['uid'])
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);
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if(count($r)) {
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$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
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if($allow && $allow[0]['data'] != $r[0]['last-child']) {
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$r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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intval($allow[0]['data']),
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dbesc(datetime_convert()),
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dbesc($item_id),
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intval($importer['uid'])
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);
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}
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continue;
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}
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$datarray = get_atom_elements($item);
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$datarray['parent-uri'] = $item_id;
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$datarray['uid'] = $importer['uid'];
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$datarray['contact-id'] = $contact['id'];
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$r = item_store($datarray);
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continue;
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}
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}
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}
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$r = q("UPDATE `contact` SET `last-update` = '%s' WHERE `id` = %d LIMIT 1",
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dbesc(datetime_convert()),
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intval($contact['id'])
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);
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}
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killme();
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