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Merge pull request #1758 from annando/1507-salmon

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OStatus Salmon improvements (Follow, Unfollow works)
This commit is contained in:
Tobias Diekershoff 2015-07-14 16:24:54 +02:00
commit 9e138a42f2
4 changed files with 72 additions and 82 deletions
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9
include/items.php
View file

@ -4159,9 +4159,12 @@ function new_follower($importer,$contact,$datarray,$item,$sharing = false) {
$name = notags(trim($datarray['author-name']));
$photo = notags(trim($datarray['author-avatar']));
$rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
$nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
if (is_object($item)) {
$rawtag = $item->get_item_tags(NAMESPACE_ACTIVITY,'actor');
if($rawtag && $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'])
$nick = $rawtag[0]['child'][NAMESPACE_POCO]['preferredUsername'][0]['data'];
} else
$nick = $item;
if(is_array($contact)) {
if(($contact['network'] == NETWORK_OSTATUS && $contact['rel'] == CONTACT_IS_SHARING)

51
include/ostatus.php
View file

@ -12,7 +12,7 @@ define('OSTATUS_DEFAULT_POLL_INTERVAL', 30); // given in minutes
define('OSTATUS_DEFAULT_POLL_TIMEFRAME', 1440); // given in minutes
define('OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS', 14400); // given in minutes
function ostatus_fetchauthor($xpath, $context, $importer, &$contact) {
function ostatus_fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch) {
$author = array();
$author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
@ -63,7 +63,7 @@ function ostatus_fetchauthor($xpath, $context, $importer, &$contact) {
$author["owner-link"] = $author["author-link"];
$author["owner-avatar"] = $author["author-avatar"];
if ($r) {
if ($r AND !$onlyfetch) {
// Update contact data
$update_contact = ($r[0]['name-date'] < datetime_convert('','','now -12 hours'));
if ($update_contact) {
@ -109,6 +109,34 @@ function ostatus_fetchauthor($xpath, $context, $importer, &$contact) {
return($author);
}
function ostatus_salmon_author($xml, $importer) {
$a = get_app();
if ($xml == "")
return;
$doc = new DOMDocument();
@$doc->loadXML($xml);
$xpath = new DomXPath($doc);
$xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
$xpath->registerNamespace('thr', "http://purl.org/syndication/thread/1.0");
$xpath->registerNamespace('georss', "http://www.georss.org/georss");
$xpath->registerNamespace('activity', "http://activitystrea.ms/spec/1.0/");
$xpath->registerNamespace('media', "http://purl.org/syndication/atommedia");
$xpath->registerNamespace('poco', "http://portablecontacts.net/spec/1.0");
$xpath->registerNamespace('ostatus', "http://ostatus.org/schema/1.0");
$xpath->registerNamespace('statusnet', "http://status.net/schema/api/1/");
$entries = $xpath->query('/atom:entry');
foreach ($entries AS $entry) {
// fetch the author
$author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, true);
return $author;
}
}
function ostatus_import($xml,$importer,&$contact, &$hub) {
$a = get_app();
@ -173,9 +201,15 @@ function ostatus_import($xml,$importer,&$contact, &$hub) {
// fetch the author
if ($first_child == "feed")
$author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact);
$author = ostatus_fetchauthor($xpath, $doc->firstChild, $importer, $contact, false);
else
$author = ostatus_fetchauthor($xpath, $entry, $importer, $contact);
$author = ostatus_fetchauthor($xpath, $entry, $importer, $contact, false);
$value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
if ($value != "")
$nickname = $value;
else
$nickname = $author["author-name"];
$item = array_merge($header, $author);
@ -214,7 +248,12 @@ function ostatus_import($xml,$importer,&$contact, &$hub) {
}
if ($item["verb"] == ACTIVITY_FOLLOW) {
// ignore "Follow" messages
new_follower($importer, $contact, $item, $nickname);
continue;
}
if ($item["verb"] == NAMESPACE_OSTATUS."/unfollow") {
lose_follower($importer, $contact, $item, $dummy);
continue;
}
@ -366,7 +405,7 @@ function ostatus_import($xml,$importer,&$contact, &$hub) {
$orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
$orig_contact = $contact;
$orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact);
$orig_author = ostatus_fetchauthor($xpath, $activityobjects, $importer, $orig_contact, false);
//if (!intval(get_config('system','wall-to-wall_share'))) {
// $prefix = share_header($orig_author['author-name'], $orig_author['author-link'], $orig_author['author-avatar'], "", $orig_created, $orig_link);

80
mod/salmon.php
View file

@ -1,12 +1,10 @@
<?php
// There is a lot of debug stuff in here because this is quite a
// complicated process to try and sort out.
require_once('include/salmon.php');
require_once('include/ostatus.php');
require_once('include/crypto.php');
require_once('library/simplepie/simplepie.inc');
require_once('include/items.php');
require_once('include/follow.php');
function salmon_return($val) {
@ -86,35 +84,8 @@ function salmon_post(&$a) {
// decode the data
$data = base64url_decode($data);
// Remove the xml declaration
$data = preg_replace('/\<\?xml[^\?].*\?\>/','',$data);
// Create a fake feed wrapper so simplepie doesn't choke
$tpl = get_markup_template('fake_feed.tpl');
$base = substr($data,strpos($data,'<entry'));
$feedxml = $tpl . $base . '</feed>';
logger('mod-salmon: Processed feed: ' . $feedxml);
// Now parse it like a normal atom feed to scrape out the author URI
$feed = new SimplePie();
$feed->set_raw_data($feedxml);
$feed->enable_order_by_date(false);
$feed->init();
logger('mod-salmon: Feed parsed.');
if($feed->get_item_quantity()) {
foreach($feed->get_items() as $item) {
$author = $item->get_author();
$author_link = unxmlify($author->get_link());
break;
}
}
$author = ostatus_salmon_author($data,$importer);
$author_link = $author["author-link"];
if(! $author_link) {
logger('mod-salmon: Could not retrieve author URI.');
@ -123,8 +94,7 @@ function salmon_post(&$a) {
// Once we have the author URI, go to the web and try to find their public key
logger('mod-salmon: Fetching key for ' . $author_link );
logger('mod-salmon: Fetching key for ' . $author_link);
$key = get_salmon_key($author_link,$keyhash);
@ -144,17 +114,17 @@ function salmon_post(&$a) {
// We should have everything we need now. Let's see if it verifies.
$verify = rsa_verify($compliant_format,$signature,$pubkey);
$verify = rsa_verify($compliant_format,$signature,$pubkey);
if(! $verify) {
logger('mod-salmon: message did not verify using protocol. Trying padding hack.');
$verify = rsa_verify($signed_data,$signature,$pubkey);
}
}
if(! $verify) {
logger('mod-salmon: message did not verify using padding. Trying old statusnet hack.');
$verify = rsa_verify($stnet_signed_data,$signature,$pubkey);
}
}
if(! $verify) {
logger('mod-salmon: Message did not verify. Discarding.');
@ -170,20 +140,22 @@ function salmon_post(&$a) {
*
*/
$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s' )
AND `uid` = %d LIMIT 1",
$r = q("SELECT * FROM `contact` WHERE `network` IN ('%s', '%s')
AND (`nurl` = '%s' OR `alias` = '%s' OR `alias` = '%s')
AND `uid` = %d LIMIT 1",
dbesc(NETWORK_OSTATUS),
dbesc(NETWORK_DFRN),
dbesc(normalise_link($author_link)),
dbesc($author_link),
dbesc($author_link),
dbesc(normalise_link($author_link)),
intval($importer['uid'])
);
if(! count($r)) {
logger('mod-salmon: Author unknown to us.');
if(get_pconfig($importer['uid'],'system','ostatus_autofriend')) {
require_once('include/follow.php');
$result = new_contact($importer['uid'],$author_link);
if($result['success']) {
$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s' )
$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s')
AND `uid` = %d LIMIT 1",
dbesc(NETWORK_OSTATUS),
dbesc($author_link),
@ -194,32 +166,22 @@ function salmon_post(&$a) {
}
}
// is this a follower? Or have we ignored the person?
// Have we ignored the person?
// If so we can not accept this post.
if((count($r)) && (($r[0]['readonly']) || ($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']))) {
//if((count($r)) && (($r[0]['readonly']) || ($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']))) {
if(count($r) && $r[0]['blocked']) {
logger('mod-salmon: Ignoring this author.');
http_status_exit(202);
// NOTREACHED
}
require_once('include/items.php');
// Placeholder for hub discovery. We shouldn't find any hubs
// since we supplied the fake feed header - and it doesn't have any.
// Placeholder for hub discovery.
$hub = '';
/**
*
* anti-spam measure: consume_feed will accept a follow activity from
* this person (and nothing else) if there is no existing contact record.
*
*/
$contact_rec = ((count($r)) ? $r[0] : null);
consume_feed($feedxml,$importer,$contact_rec,$hub);
ostatus_import($data,$importer,$contact_rec, $hub);
http_status_exit(200);
}

14
view/templates/fake_feed.tpl
View file

@ -1,14 +0,0 @@
<?xml version="1.0" encoding="utf-8" ?>
<feed xmlns="http://www.w3.org/2005/Atom" >
<id>fake feed</id>
<title>fake title</title>
<updated>1970-01-01T00:00:00Z</updated>
<author>
<name>Fake Name</name>
<uri>http://example.com</uri>
</author>