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friendica-github/include/ostatus.php
Michael Vogel c8a62a4073
Small bugfix: We always liked the parent
2016-05-01 13:47:24 +02:00

2014 lines
69 KiB
PHP
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<?php
/**
* @file include/ostatus.php
*/
require_once("include/Contact.php");
require_once("include/threads.php");
require_once("include/html2bbcode.php");
require_once("include/bbcode.php");
require_once("include/items.php");
require_once("mod/share.php");
require_once("include/enotify.php");
require_once("include/socgraph.php");
require_once("include/Photo.php");
require_once("include/Scrape.php");
require_once("include/follow.php");
require_once("include/api.php");
require_once("mod/proxy.php");
require_once("include/xml.php");
/**
* @brief This class contain functions for the OStatus protocol
*
*/
class ostatus {
const OSTATUS_DEFAULT_POLL_INTERVAL = 30; // given in minutes
const OSTATUS_DEFAULT_POLL_TIMEFRAME = 1440; // given in minutes
const OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS = 14400; // given in minutes
/**
* @brief Fetches author data
*
* @param object $xpath The xpath object
* @param object $context The xml context of the author detals
* @param array $importer user record of the importing user
* @param array $contact Called by reference, will contain the fetched contact
* @param bool $onlyfetch Only fetch the header without updating the contact entries
*
* @return array Array of author related entries for the item
*/
private function fetchauthor($xpath, $context, $importer, &$contact, $onlyfetch) {
$author = array();
$author["author-link"] = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
$author["author-name"] = $xpath->evaluate('atom:author/atom:name/text()', $context)->item(0)->nodeValue;
$aliaslink = $author["author-link"];
$alternate = $xpath->query("atom:author/atom:link[@rel='alternate']", $context)->item(0)->attributes;
if (is_object($alternate))
foreach($alternate AS $attributes)
if ($attributes->name == "href")
$author["author-link"] = $attributes->textContent;
$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `nurl` IN ('%s', '%s') AND `network` != '%s'",
intval($importer["uid"]), dbesc(normalise_link($author["author-link"])),
dbesc(normalise_link($aliaslink)), dbesc(NETWORK_STATUSNET));
if ($r) {
$contact = $r[0];
$author["contact-id"] = $r[0]["id"];
} else
$author["contact-id"] = $contact["id"];
$avatarlist = array();
$avatars = $xpath->query("atom:author/atom:link[@rel='avatar']", $context);
foreach($avatars AS $avatar) {
$href = "";
$width = 0;
foreach($avatar->attributes AS $attributes) {
if ($attributes->name == "href")
$href = $attributes->textContent;
if ($attributes->name == "width")
$width = $attributes->textContent;
}
if (($width > 0) AND ($href != ""))
$avatarlist[$width] = $href;
}
if (count($avatarlist) > 0) {
krsort($avatarlist);
$author["author-avatar"] = current($avatarlist);
}
$displayname = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
if ($displayname != "")
$author["author-name"] = $displayname;
$author["owner-name"] = $author["author-name"];
$author["owner-link"] = $author["author-link"];
$author["owner-avatar"] = $author["author-avatar"];
// Only update the contacts if it is an OStatus contact
if ($r AND !$onlyfetch AND ($contact["network"] == NETWORK_OSTATUS)) {
// Update contact data
// This query doesn't seem to work
// $value = $xpath->query("atom:link[@rel='salmon']", $context)->item(0)->nodeValue;
// if ($value != "")
// $contact["notify"] = $value;
// This query doesn't seem to work as well - I hate these queries
// $value = $xpath->query("atom:link[@rel='self' and @type='application/atom+xml']", $context)->item(0)->nodeValue;
// if ($value != "")
// $contact["poll"] = $value;
$value = $xpath->evaluate('atom:author/atom:uri/text()', $context)->item(0)->nodeValue;
if ($value != "")
$contact["alias"] = $value;
$value = $xpath->evaluate('atom:author/poco:displayName/text()', $context)->item(0)->nodeValue;
if ($value != "")
$contact["name"] = $value;
$value = $xpath->evaluate('atom:author/poco:preferredUsername/text()', $context)->item(0)->nodeValue;
if ($value != "")
$contact["nick"] = $value;
$value = $xpath->evaluate('atom:author/poco:note/text()', $context)->item(0)->nodeValue;
if ($value != "")
$contact["about"] = html2bbcode($value);
$value = $xpath->evaluate('atom:author/poco:address/poco:formatted/text()', $context)->item(0)->nodeValue;
if ($value != "")
$contact["location"] = $value;
if (($contact["name"] != $r[0]["name"]) OR ($contact["nick"] != $r[0]["nick"]) OR ($contact["about"] != $r[0]["about"]) OR
($contact["alias"] != $r[0]["alias"]) OR ($contact["location"] != $r[0]["location"])) {
logger("Update contact data for contact ".$contact["id"], LOGGER_DEBUG);
q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `alias` = '%s', `about` = '%s', `location` = '%s', `name-date` = '%s' WHERE `id` = %d",
dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["alias"]),
dbesc($contact["about"]), dbesc($contact["location"]),
dbesc(datetime_convert()), intval($contact["id"]));
poco_check($contact["url"], $contact["name"], $contact["network"], $author["author-avatar"], $contact["about"], $contact["location"],
"", "", "", datetime_convert(), 2, $contact["id"], $contact["uid"]);
}
if (isset($author["author-avatar"]) AND ($author["author-avatar"] != $r[0]['avatar'])) {
logger("Update profile picture for contact ".$contact["id"], LOGGER_DEBUG);
update_contact_avatar($author["author-avatar"], $importer["uid"], $contact["id"]);
}
// Ensure that we are having this contact (with uid=0)
$cid = get_contact($author["author-link"], 0);
if ($cid) {
// Update it with the current values
q("UPDATE `contact` SET `url` = '%s', `name` = '%s', `nick` = '%s', `alias` = '%s',
`about` = '%s', `location` = '%s',
`success_update` = '%s', `last-update` = '%s'
WHERE `id` = %d",
dbesc($author["author-link"]), dbesc($contact["name"]), dbesc($contact["nick"]),
dbesc($contact["alias"]), dbesc($contact["about"]), dbesc($contact["location"]),
dbesc(datetime_convert()), dbesc(datetime_convert()), intval($cid));
// Update the avatar
update_contact_avatar($author["author-avatar"], 0, $cid);
}
$contact["generation"] = 2;
$contact["photo"] = $author["author-avatar"];
update_gcontact($contact);
}
return($author);
}
/**
* @brief Fetches author data from a given XML string
*
* @param string $xml The XML
* @param array $importer user record of the importing user
*
* @return array Array of author related entries for the item
*/
public static function salmon_author($xml, $importer) {
if ($xml == "")
return;
$doc = new DOMDocument();
@$doc->loadXML($xml);
$xpath = new DomXPath($doc);
$xpath->registerNamespace('atom', NAMESPACE_ATOM1);
$xpath->registerNamespace('thr', NAMESPACE_THREAD);
$xpath->registerNamespace('georss', NAMESPACE_GEORSS);
$xpath->registerNamespace('activity', NAMESPACE_ACTIVITY);
$xpath->registerNamespace('media', NAMESPACE_MEDIA);
$xpath->registerNamespace('poco', NAMESPACE_POCO);
$xpath->registerNamespace('ostatus', NAMESPACE_OSTATUS);
$xpath->registerNamespace('statusnet', NAMESPACE_STATUSNET);
$entries = $xpath->query('/atom:entry');
foreach ($entries AS $entry) {
// fetch the author
$author = self::fetchauthor($xpath, $entry, $importer, $contact, true);
return $author;
}
}
/**
* @brief Imports an XML string containing OStatus elements
*
* @param string $xml The XML
* @param array $importer user record of the importing user
* @param $contact
* @param array $hub Called by reference, returns the fetched hub data
*/
public static function import($xml,$importer,&$contact, &$hub) {
/// @todo this function is too long. It has to be split in many parts
logger("Import OStatus message", LOGGER_DEBUG);
if ($xml == "")
return;
//$tempfile = tempnam(get_temppath(), "import");
//file_put_contents($tempfile, $xml);
$doc = new DOMDocument();
@$doc->loadXML($xml);
$xpath = new DomXPath($doc);
$xpath->registerNamespace('atom', NAMESPACE_ATOM1);
$xpath->registerNamespace('thr', NAMESPACE_THREAD);
$xpath->registerNamespace('georss', NAMESPACE_GEORSS);
$xpath->registerNamespace('activity', NAMESPACE_ACTIVITY);
$xpath->registerNamespace('media', NAMESPACE_MEDIA);
$xpath->registerNamespace('poco', NAMESPACE_POCO);
$xpath->registerNamespace('ostatus', NAMESPACE_OSTATUS);
$xpath->registerNamespace('statusnet', NAMESPACE_STATUSNET);
$gub = "";
$hub_attributes = $xpath->query("/atom:feed/atom:link[@rel='hub']")->item(0)->attributes;
if (is_object($hub_attributes))
foreach($hub_attributes AS $hub_attribute)
if ($hub_attribute->name == "href") {
$hub = $hub_attribute->textContent;
logger("Found hub ".$hub, LOGGER_DEBUG);
}
$header = array();
$header["uid"] = $importer["uid"];
$header["network"] = NETWORK_OSTATUS;
$header["type"] = "remote";
$header["wall"] = 0;
$header["origin"] = 0;
$header["gravity"] = GRAVITY_PARENT;
// it could either be a received post or a post we fetched by ourselves
// depending on that, the first node is different
$first_child = $doc->firstChild->tagName;
if ($first_child == "feed")
$entries = $xpath->query('/atom:feed/atom:entry');
else
$entries = $xpath->query('/atom:entry');
$conversation = "";
$conversationlist = array();
$item_id = 0;
// Reverse the order of the entries
$entrylist = array();
foreach ($entries AS $entry)
$entrylist[] = $entry;
foreach (array_reverse($entrylist) AS $entry) {
$mention = false;
// fetch the author
if ($first_child == "feed")
$author = self::fetchauthor($xpath, $doc->firstChild, $importer, $contact, false);
else
$author = self::fetchauthor($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);
// Now get the item
$item["uri"] = $xpath->query('atom:id/text()', $entry)->item(0)->nodeValue;
$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
intval($importer["uid"]), dbesc($item["uri"]));
if ($r) {
logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
continue;
}
$item["body"] = add_page_info_to_body(html2bbcode($xpath->query('atom:content/text()', $entry)->item(0)->nodeValue));
$item["object-type"] = $xpath->query('activity:object-type/text()', $entry)->item(0)->nodeValue;
if (($item["object-type"] == ACTIVITY_OBJ_BOOKMARK) OR ($item["object-type"] == ACTIVITY_OBJ_EVENT)) {
$item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
$item["body"] = $xpath->query('atom:summary/text()', $entry)->item(0)->nodeValue;
} elseif ($item["object-type"] == ACTIVITY_OBJ_QUESTION)
$item["title"] = $xpath->query('atom:title/text()', $entry)->item(0)->nodeValue;
$item["object"] = $xml;
$item["verb"] = $xpath->query('activity:verb/text()', $entry)->item(0)->nodeValue;
/// @TODO
/// Delete a message
if ($item["verb"] == "qvitter-delete-notice") {
// ignore "Delete" messages (by now)
logger("Ignore delete message ".print_r($item, true));
continue;
}
if ($item["verb"] == ACTIVITY_JOIN) {
// ignore "Join" messages
logger("Ignore join message ".print_r($item, true));
continue;
}
if ($item["verb"] == ACTIVITY_FOLLOW) {
new_follower($importer, $contact, $item, $nickname);
continue;
}
if ($item["verb"] == NAMESPACE_OSTATUS."/unfollow") {
lose_follower($importer, $contact, $item, $dummy);
continue;
}
if ($item["verb"] == ACTIVITY_FAVORITE) {
$orig_uri = $xpath->query("activity:object/atom:id", $entry)->item(0)->nodeValue;
logger("Favorite ".$orig_uri." ".print_r($item, true));
$item["verb"] = ACTIVITY_LIKE;
$item["parent-uri"] = $orig_uri;
$item["gravity"] = GRAVITY_LIKE;
}
if ($item["verb"] == NAMESPACE_OSTATUS."/unfavorite") {
// Ignore "Unfavorite" message
logger("Ignore unfavorite message ".print_r($item, true));
continue;
}
// http://activitystrea.ms/schema/1.0/rsvp-yes
if (!in_array($item["verb"], array(ACTIVITY_POST, ACTIVITY_LIKE, ACTIVITY_SHARE)))
logger("Unhandled verb ".$item["verb"]." ".print_r($item, true));
$item["created"] = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
$item["edited"] = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
$conversation = $xpath->query('ostatus:conversation/text()', $entry)->item(0)->nodeValue;
$related = "";
$inreplyto = $xpath->query('thr:in-reply-to', $entry);
if (is_object($inreplyto->item(0))) {
foreach($inreplyto->item(0)->attributes AS $attributes) {
if ($attributes->name == "ref")
$item["parent-uri"] = $attributes->textContent;
if ($attributes->name == "href")
$related = $attributes->textContent;
}
}
$georsspoint = $xpath->query('georss:point', $entry);
if ($georsspoint)
$item["coord"] = $georsspoint->item(0)->nodeValue;
$categories = $xpath->query('atom:category', $entry);
if ($categories) {
foreach ($categories AS $category) {
foreach($category->attributes AS $attributes)
if ($attributes->name == "term") {
$term = $attributes->textContent;
if(strlen($item["tag"]))
$item["tag"] .= ',';
$item["tag"] .= "#[url=".App::get_baseurl()."/search?tag=".$term."]".$term."[/url]";
}
}
}
$self = "";
$enclosure = "";
$links = $xpath->query('atom:link', $entry);
if ($links) {
$rel = "";
$href = "";
$type = "";
$length = "0";
$title = "";
foreach ($links AS $link) {
foreach($link->attributes AS $attributes) {
if ($attributes->name == "href")
$href = $attributes->textContent;
if ($attributes->name == "rel")
$rel = $attributes->textContent;
if ($attributes->name == "type")
$type = $attributes->textContent;
if ($attributes->name == "length")
$length = $attributes->textContent;
if ($attributes->name == "title")
$title = $attributes->textContent;
}
if (($rel != "") AND ($href != ""))
switch($rel) {
case "alternate":
$item["plink"] = $href;
if (($item["object-type"] == ACTIVITY_OBJ_QUESTION) OR
($item["object-type"] == ACTIVITY_OBJ_EVENT))
$item["body"] .= add_page_info($href);
break;
case "ostatus:conversation":
$conversation = $href;
break;
case "enclosure":
$enclosure = $href;
if(strlen($item["attach"]))
$item["attach"] .= ',';
$item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'" title="'.$title.'"[/attach]';
break;
case "related":
if ($item["object-type"] != ACTIVITY_OBJ_BOOKMARK) {
if (!isset($item["parent-uri"]))
$item["parent-uri"] = $href;
if ($related == "")
$related = $href;
} else
$item["body"] .= add_page_info($href);
break;
case "self":
$self = $href;
break;
case "mentioned":
// Notification check
if ($importer["nurl"] == normalise_link($href))
$mention = true;
break;
}
}
}
$local_id = "";
$repeat_of = "";
$notice_info = $xpath->query('statusnet:notice_info', $entry);
if ($notice_info AND ($notice_info->length > 0)) {
foreach($notice_info->item(0)->attributes AS $attributes) {
if ($attributes->name == "source")
$item["app"] = strip_tags($attributes->textContent);
if ($attributes->name == "local_id")
$local_id = $attributes->textContent;
if ($attributes->name == "repeat_of")
$repeat_of = $attributes->textContent;
}
}
// Is it a repeated post?
if ($repeat_of != "") {
$activityobjects = $xpath->query('activity:object', $entry)->item(0);
if (is_object($activityobjects)) {
$orig_uri = $xpath->query("activity:object/atom:id", $activityobjects)->item(0)->nodeValue;
if (!isset($orig_uri))
$orig_uri = $xpath->query('atom:id/text()', $activityobjects)->item(0)->nodeValue;
$orig_links = $xpath->query("activity:object/atom:link[@rel='alternate']", $activityobjects);
if ($orig_links AND ($orig_links->length > 0))
foreach($orig_links->item(0)->attributes AS $attributes)
if ($attributes->name == "href")
$orig_link = $attributes->textContent;
if (!isset($orig_link))
$orig_link = $xpath->query("atom:link[@rel='alternate']", $activityobjects)->item(0)->nodeValue;
if (!isset($orig_link))
$orig_link = self::convert_href($orig_uri);
$orig_body = $xpath->query('activity:object/atom:content/text()', $activityobjects)->item(0)->nodeValue;
if (!isset($orig_body))
$orig_body = $xpath->query('atom:content/text()', $activityobjects)->item(0)->nodeValue;
$orig_created = $xpath->query('atom:published/text()', $activityobjects)->item(0)->nodeValue;
$orig_contact = $contact;
$orig_author = self::fetchauthor($xpath, $activityobjects, $importer, $orig_contact, false);
$item["author-name"] = $orig_author["author-name"];
$item["author-link"] = $orig_author["author-link"];
$item["author-avatar"] = $orig_author["author-avatar"];
$item["body"] = add_page_info_to_body(html2bbcode($orig_body));
$item["created"] = $orig_created;
$item["uri"] = $orig_uri;
$item["plink"] = $orig_link;
$item["verb"] = $xpath->query('activity:verb/text()', $activityobjects)->item(0)->nodeValue;
$item["object-type"] = $xpath->query('activity:object/activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
if (!isset($item["object-type"]))
$item["object-type"] = $xpath->query('activity:object-type/text()', $activityobjects)->item(0)->nodeValue;
}
}
//if ($enclosure != "")
// $item["body"] .= add_page_info($enclosure);
if (isset($item["parent-uri"])) {
$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
intval($importer["uid"]), dbesc($item["parent-uri"]));
if (!$r AND ($related != "")) {
$reply_path = str_replace("/notice/", "/api/statuses/show/", $related).".atom";
if ($reply_path != $related) {
logger("Fetching related items for user ".$importer["uid"]." from ".$reply_path, LOGGER_DEBUG);
$reply_xml = fetch_url($reply_path);
$reply_contact = $contact;
self::import($reply_xml,$importer,$reply_contact, $reply_hub);
// After the import try to fetch the parent item again
$r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
intval($importer["uid"]), dbesc($item["parent-uri"]));
}
}
if ($r) {
$item["type"] = 'remote-comment';
$item["gravity"] = GRAVITY_COMMENT;
}
} else
$item["parent-uri"] = $item["uri"];
$item_id = self::completion($conversation, $importer["uid"], $item, $self);
if (!$item_id) {
logger("Error storing item", LOGGER_DEBUG);
continue;
}
logger("Item was stored with id ".$item_id, LOGGER_DEBUG);
}
}
/**
* @brief Create an url out of an uri
*
* @param string $href URI in the format "parameter1:parameter1:..."
*
* @return string URL in the format http(s)://....
*/
public static function convert_href($href) {
$elements = explode(":",$href);
if ((count($elements) <= 2) OR ($elements[0] != "tag"))
return $href;
$server = explode(",", $elements[1]);
$conversation = explode("=", $elements[2]);
if ((count($elements) == 4) AND ($elements[2] == "post"))
return "http://".$server[0]."/notice/".$elements[3];
if ((count($conversation) != 2) OR ($conversation[1] ==""))
return $href;
if ($elements[3] == "objectType=thread")
return "http://".$server[0]."/conversation/".$conversation[1];
else
return "http://".$server[0]."/notice/".$conversation[1];
return $href;
}
/**
* @brief Checks if there are entries in conversations that aren't present on our side
*
* @param bool $mentions Fetch conversations where we are mentioned
* @param bool $override Override the interval setting
*/
public static function check_conversations($mentions = false, $override = false) {
$last = get_config('system','ostatus_last_poll');
$poll_interval = intval(get_config('system','ostatus_poll_interval'));
if(! $poll_interval)
$poll_interval = OSTATUS_DEFAULT_POLL_INTERVAL;
// Don't poll if the interval is set negative
if (($poll_interval < 0) AND !$override)
return;
if (!$mentions) {
$poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
if (!$poll_timeframe)
$poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME;
} else {
$poll_timeframe = intval(get_config('system','ostatus_poll_timeframe'));
if (!$poll_timeframe)
$poll_timeframe = OSTATUS_DEFAULT_POLL_TIMEFRAME_MENTIONS;
}
if ($last AND !$override) {
$next = $last + ($poll_interval * 60);
if ($next > time()) {
logger('poll interval not reached');
return;
}
}
logger('cron_start');
$start = date("Y-m-d H:i:s", time() - ($poll_timeframe * 60));
if ($mentions)
$conversations = q("SELECT `term`.`oid`, `term`.`url`, `term`.`uid` FROM `term`
STRAIGHT_JOIN `thread` ON `thread`.`iid` = `term`.`oid` AND `thread`.`uid` = `term`.`uid`
WHERE `term`.`type` = 7 AND `term`.`term` > '%s' AND `thread`.`mention`
GROUP BY `term`.`url`, `term`.`uid` ORDER BY `term`.`term` DESC", dbesc($start));
else
$conversations = q("SELECT `oid`, `url`, `uid` FROM `term`
WHERE `type` = 7 AND `term` > '%s'
GROUP BY `url`, `uid` ORDER BY `term` DESC", dbesc($start));
foreach ($conversations AS $conversation) {
self::completion($conversation['url'], $conversation['uid']);
}
logger('cron_end');
set_config('system','ostatus_last_poll', time());
}
/**
* @brief Updates the gcontact table with actor data from the conversation
*
* @param object $actor The actor object that contains the contact data
*/
private function conv_fetch_actor($actor) {
// We set the generation to "3" since the data here is not as reliable as the data we get on other occasions
$contact = array("network" => NETWORK_OSTATUS, "generation" => 3);
if (isset($actor->url))
$contact["url"] = $actor->url;
if (isset($actor->displayName))
$contact["name"] = $actor->displayName;
if (isset($actor->portablecontacts_net->displayName))
$contact["name"] = $actor->portablecontacts_net->displayName;
if (isset($actor->portablecontacts_net->preferredUsername))
$contact["nick"] = $actor->portablecontacts_net->preferredUsername;
if (isset($actor->id))
$contact["alias"] = $actor->id;
if (isset($actor->summary))
$contact["about"] = $actor->summary;
if (isset($actor->portablecontacts_net->note))
$contact["about"] = $actor->portablecontacts_net->note;
if (isset($actor->portablecontacts_net->addresses->formatted))
$contact["location"] = $actor->portablecontacts_net->addresses->formatted;
if (isset($actor->image->url))
$contact["photo"] = $actor->image->url;
if (isset($actor->image->width))
$avatarwidth = $actor->image->width;
if (is_array($actor->status_net->avatarLinks))
foreach ($actor->status_net->avatarLinks AS $avatar) {
if ($avatarsize < $avatar->width) {
$contact["photo"] = $avatar->url;
$avatarsize = $avatar->width;
}
}
update_gcontact($contact);
}
/**
* @brief Fetches the conversation url for a given item link or conversation id
*
* @param string $self The link to the posting
* @param string $conversation_id The conversation id
*
* @return string The conversation url
*/
private function fetch_conversation($self, $conversation_id = "") {
if ($conversation_id != "") {
$elements = explode(":", $conversation_id);
if ((count($elements) <= 2) OR ($elements[0] != "tag"))
return $conversation_id;
}
if ($self == "")
return "";
$json = str_replace(".atom", ".json", $self);
$raw = fetch_url($json);
if ($raw == "")
return "";
$data = json_decode($raw);
if (!is_object($data))
return "";
$conversation_id = $data->statusnet_conversation_id;
$pos = strpos($self, "/api/statuses/show/");
$base_url = substr($self, 0, $pos);
return $base_url."/conversation/".$conversation_id;
}
/**
* @brief Fetches actor details of a given actor and user id
*
* @param string $actor The actor url
* @param int $uid The user id
* @param int $contact_id The default contact-id
*
* @return array Array with actor details
*/
private function get_actor_details($actor, $uid, $contact_id) {
$details = array();
$contact = q("SELECT `id`, `rel`, `network` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s' AND `network` != '%s'",
$uid, normalise_link($actor), NETWORK_STATUSNET);
if (!$contact)
$contact = q("SELECT `id`, `rel`, `network` FROM `contact` WHERE `uid` = %d AND `alias` IN ('%s', '%s') AND `network` != '%s'",
$uid, $actor, normalise_link($actor), NETWORK_STATUSNET);
if ($contact) {
logger("Found contact for url ".$actor, LOGGER_DEBUG);
$details["contact_id"] = $contact[0]["id"];
$details["network"] = $contact[0]["network"];
$details["not_following"] = !in_array($contact[0]["rel"], array(CONTACT_IS_SHARING, CONTACT_IS_FRIEND));
} else {
logger("No contact found for user ".$uid." and url ".$actor, LOGGER_DEBUG);
// Adding a global contact
/// @TODO Use this data for the post
$details["global_contact_id"] = get_contact($actor, 0);
logger("Global contact ".$global_contact_id." found for url ".$actor, LOGGER_DEBUG);
$details["contact_id"] = $contact_id;
$details["network"] = NETWORK_OSTATUS;
$details["not_following"] = true;
}
return $details;
}
/**
* @brief Stores an item and completes the thread
*
* @param string $conversation_url The URI of the conversation
* @param integer $uid The user id
* @param array $item Data of the item that is to be posted
*
* @return integer The item id of the posted item array
*/
private function completion($conversation_url, $uid, $item = array(), $self = "") {
/// @todo This function is totally ugly and has to be rewritten totally
$item_stored = -1;
$conversation_url = self::fetch_conversation($self, $conversation_url);
// If the thread shouldn't be completed then store the item and go away
// Don't do a completion on liked content
if (((intval(get_config('system','ostatus_poll_interval')) == -2) AND (count($item) > 0)) OR
($item["verb"] == ACTIVITY_LIKE) OR ($conversation_url == "")) {
$item_stored = item_store($item, true);
return($item_stored);
}
// Get the parent
$parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
(SELECT `parent` FROM `item` WHERE `id` IN
(SELECT `oid` FROM `term` WHERE `uid` = %d AND `otype` = %d AND `type` = %d AND `url` = '%s'))",
intval($uid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION), dbesc($conversation_url));
if ($parents)
$parent = $parents[0];
elseif (count($item) > 0) {
$parent = $item;
$parent["type"] = "remote";
$parent["verb"] = ACTIVITY_POST;
$parent["visible"] = 1;
} else {
// Preset the parent
$r = q("SELECT `id` FROM `contact` WHERE `self` AND `uid`=%d", $uid);
if (!$r)
return(-2);
$parent = array();
$parent["id"] = 0;
$parent["parent"] = 0;
$parent["uri"] = "";
$parent["contact-id"] = $r[0]["id"];
$parent["type"] = "remote";
$parent["verb"] = ACTIVITY_POST;
$parent["visible"] = 1;
}
$conv = str_replace("/conversation/", "/api/statusnet/conversation/", $conversation_url).".as";
$pageno = 1;
$items = array();
logger('fetching conversation url '.$conv.' (Self: '.$self.') for user '.$uid);
do {
$conv_arr = z_fetch_url($conv."?page=".$pageno);
// If it is a non-ssl site and there is an error, then try ssl or vice versa
if (!$conv_arr["success"] AND (substr($conv, 0, 7) == "http://")) {
$conv = str_replace("http://", "https://", $conv);
$conv_as = fetch_url($conv."?page=".$pageno);
} elseif (!$conv_arr["success"] AND (substr($conv, 0, 8) == "https://")) {
$conv = str_replace("https://", "http://", $conv);
$conv_as = fetch_url($conv."?page=".$pageno);
} else
$conv_as = $conv_arr["body"];
$conv_as = str_replace(',"statusnet:notice_info":', ',"statusnet_notice_info":', $conv_as);
$conv_as = json_decode($conv_as);
$no_of_items = sizeof($items);
if (@is_array($conv_as->items))
foreach ($conv_as->items AS $single_item)
$items[$single_item->id] = $single_item;
if ($no_of_items == sizeof($items))
break;
$pageno++;
} while (true);
logger('fetching conversation done. Found '.count($items).' items');
if (!sizeof($items)) {
if (count($item) > 0) {
$item_stored = item_store($item, true);
if ($item_stored) {
logger("Conversation ".$conversation_url." couldn't be fetched. Item uri ".$item["uri"]." stored: ".$item_stored, LOGGER_DEBUG);
self::store_conversation($item_id, $conversation_url);
}
return($item_stored);
} else
return(-3);
}
$items = array_reverse($items);
$r = q("SELECT `nurl` FROM `contact` WHERE `uid` = %d AND `self`", intval($uid));
$importer = $r[0];
$new_parent = true;
foreach ($items as $single_conv) {
// Update the gcontact table
self::conv_fetch_actor($single_conv->actor);
// Test - remove before flight
//$tempfile = tempnam(get_temppath(), "conversation");
//file_put_contents($tempfile, json_encode($single_conv));
$mention = false;
if (isset($single_conv->object->id))
$single_conv->id = $single_conv->object->id;
$plink = self::convert_href($single_conv->id);
if (isset($single_conv->object->url))
$plink = self::convert_href($single_conv->object->url);
if (@!$single_conv->id)
continue;
logger("Got id ".$single_conv->id, LOGGER_DEBUG);
if ($first_id == "") {
$first_id = $single_conv->id;
// The first post of the conversation isn't our first post. There are three options:
// 1. Our conversation hasn't the "real" thread starter
// 2. This first post is a post inside our thread
// 3. This first post is a post inside another thread
if (($first_id != $parent["uri"]) AND ($parent["uri"] != "")) {
$new_parent = true;
$new_parents = q("SELECT `id`, `parent`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `id` IN
(SELECT `parent` FROM `item`
WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s')) LIMIT 1",
intval($uid), dbesc($first_id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
if ($new_parents) {
if ($new_parents[0]["parent"] == $parent["parent"]) {
// Option 2: This post is already present inside our thread - but not as thread starter
logger("Option 2: uri present in our thread: ".$first_id, LOGGER_DEBUG);
$first_id = $parent["uri"];
} else {
// Option 3: Not so good. We have mixed parents. We have to see how to clean this up.
// For now just take the new parent.
$parent = $new_parents[0];
$first_id = $parent["uri"];
logger("Option 3: mixed parents for uri ".$first_id, LOGGER_DEBUG);
}
} else {
// Option 1: We hadn't got the real thread starter
// We have to clean up our existing messages.
$parent["id"] = 0;
$parent["uri"] = $first_id;
logger("Option 1: we have a new parent: ".$first_id, LOGGER_DEBUG);
}
} elseif ($parent["uri"] == "") {
$parent["id"] = 0;
$parent["uri"] = $first_id;
}
}
$parent_uri = $parent["uri"];
// "context" only seems to exist on older servers
if (isset($single_conv->context->inReplyTo->id)) {
$parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
intval($uid), dbesc($single_conv->context->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
if ($parent_exists)
$parent_uri = $single_conv->context->inReplyTo->id;
}
// This is the current way
if (isset($single_conv->object->inReplyTo->id)) {
$parent_exists = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
intval($uid), dbesc($single_conv->object->inReplyTo->id), dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
if ($parent_exists)
$parent_uri = $single_conv->object->inReplyTo->id;
}
$message_exists = q("SELECT `id`, `parent`, `uri` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s','%s') LIMIT 1",
intval($uid), dbesc($single_conv->id),
dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN));
if ($message_exists) {
logger("Message ".$single_conv->id." already existed on the system", LOGGER_DEBUG);
if ($parent["id"] != 0) {
$existing_message = $message_exists[0];
// We improved the way we fetch OStatus messages, this shouldn't happen very often now
/// @TODO We have to change the shadow copies as well. This way here is really ugly.
if ($existing_message["parent"] != $parent["id"]) {
logger('updating id '.$existing_message["id"].' with parent '.$existing_message["parent"].' to parent '.$parent["id"].' uri '.$parent["uri"].' thread '.$parent_uri, LOGGER_DEBUG);
// Update the parent id of the selected item
$r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `id` = %d",
intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["id"]));
// Update the parent uri in the thread - but only if it points to itself
$r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE `id` = %d AND `uri` = `thr-parent`",
dbesc($parent_uri), intval($existing_message["id"]));
// try to change all items of the same parent
$r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s' WHERE `parent` = %d",
intval($parent["id"]), dbesc($parent["uri"]), intval($existing_message["parent"]));
// Update the parent uri in the thread - but only if it points to itself
$r = q("UPDATE `item` SET `thr-parent` = '%s' WHERE (`parent` = %d) AND (`uri` = `thr-parent`)",
dbesc($parent["uri"]), intval($existing_message["parent"]));
// Now delete the thread
delete_thread($existing_message["parent"]);
}
}
// The item we are having on the system is the one that we wanted to store via the item array
if (isset($item["uri"]) AND ($item["uri"] == $existing_message["uri"])) {
$item = array();
$item_stored = 0;
}
continue;
}
if (is_array($single_conv->to))
foreach($single_conv->to AS $to)
if ($importer["nurl"] == normalise_link($to->id))
$mention = true;
$actor = $single_conv->actor->id;
if (isset($single_conv->actor->url))
$actor = $single_conv->actor->url;
$details = self::get_actor_details($actor, $uid, $parent["contact-id"]);
// Do we only want to import threads that were started by our contacts?
if ($details["not_following"] AND $new_parent AND get_config('system','ostatus_full_threads')) {
logger("Don't import uri ".$first_id." because user ".$uid." doesn't follow the person ".$actor, LOGGER_DEBUG);
continue;
}
$arr = array();
$arr["network"] = $details["network"];
$arr["uri"] = $single_conv->id;
$arr["plink"] = $plink;
$arr["uid"] = $uid;
$arr["contact-id"] = $details["contact_id"];
$arr["parent-uri"] = $parent_uri;
$arr["created"] = $single_conv->published;
$arr["edited"] = $single_conv->published;
$arr["owner-name"] = $single_conv->actor->displayName;
if ($arr["owner-name"] == '')
$arr["owner-name"] = $single_conv->actor->contact->displayName;
if ($arr["owner-name"] == '')
$arr["owner-name"] = $single_conv->actor->portablecontacts_net->displayName;
$arr["owner-link"] = $actor;
$arr["owner-avatar"] = $single_conv->actor->image->url;
$arr["author-name"] = $arr["owner-name"];
$arr["author-link"] = $actor;
$arr["author-avatar"] = $single_conv->actor->image->url;
$arr["body"] = add_page_info_to_body(html2bbcode($single_conv->content));
if (isset($single_conv->status_net->notice_info->source))
$arr["app"] = strip_tags($single_conv->status_net->notice_info->source);
elseif (isset($single_conv->statusnet->notice_info->source))
$arr["app"] = strip_tags($single_conv->statusnet->notice_info->source);
elseif (isset($single_conv->statusnet_notice_info->source))
$arr["app"] = strip_tags($single_conv->statusnet_notice_info->source);
elseif (isset($single_conv->provider->displayName))
$arr["app"] = $single_conv->provider->displayName;
else
$arr["app"] = "OStatus";
$arr["object"] = json_encode($single_conv);
$arr["verb"] = $parent["verb"];
$arr["visible"] = $parent["visible"];
$arr["location"] = $single_conv->location->displayName;
$arr["coord"] = trim($single_conv->location->lat." ".$single_conv->location->lon);
// Is it a reshared item?
if (isset($single_conv->verb) AND ($single_conv->verb == "share") AND isset($single_conv->object)) {
if (is_array($single_conv->object))
$single_conv->object = $single_conv->object[0];
logger("Found reshared item ".$single_conv->object->id);
// $single_conv->object->context->conversation;
if (isset($single_conv->object->object->id))
$arr["uri"] = $single_conv->object->object->id;
else
$arr["uri"] = $single_conv->object->id;
if (isset($single_conv->object->object->url))
$plink = self::convert_href($single_conv->object->object->url);
else
$plink = self::convert_href($single_conv->object->url);
if (isset($single_conv->object->object->content))
$arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->object->content));
else
$arr["body"] = add_page_info_to_body(html2bbcode($single_conv->object->content));
$arr["plink"] = $plink;
$arr["created"] = $single_conv->object->published;
$arr["edited"] = $single_conv->object->published;
$arr["author-name"] = $single_conv->object->actor->displayName;
if ($arr["owner-name"] == '')
$arr["author-name"] = $single_conv->object->actor->contact->displayName;
$arr["author-link"] = $single_conv->object->actor->url;
$arr["author-avatar"] = $single_conv->object->actor->image->url;
$arr["app"] = $single_conv->object->provider->displayName."#";
//$arr["verb"] = $single_conv->object->verb;
$arr["location"] = $single_conv->object->location->displayName;
$arr["coord"] = trim($single_conv->object->location->lat." ".$single_conv->object->location->lon);
}
if ($arr["location"] == "")
unset($arr["location"]);
if ($arr["coord"] == "")
unset($arr["coord"]);
// Copy fields from given item array
if (isset($item["uri"]) AND (($item["uri"] == $arr["uri"]) OR ($item["uri"] == $single_conv->id))) {
$copy_fields = array("owner-name", "owner-link", "owner-avatar", "author-name", "author-link", "author-avatar",
"gravity", "body", "object-type", "object", "verb", "created", "edited", "coord", "tag",
"title", "attach", "app", "type", "location", "contact-id", "uri");
foreach ($copy_fields AS $field)
if (isset($item[$field]))
$arr[$field] = $item[$field];
}
$newitem = item_store($arr);
if (!$newitem) {
logger("Item wasn't stored ".print_r($arr, true), LOGGER_DEBUG);
continue;
}
if (isset($item["uri"]) AND ($item["uri"] == $arr["uri"])) {
$item = array();
$item_stored = $newitem;
}
logger('Stored new item '.$plink.' for parent '.$arr["parent-uri"].' under id '.$newitem, LOGGER_DEBUG);
// Add the conversation entry (but don't fetch the whole conversation)
self::store_conversation($newitem, $conversation_url);
// If the newly created item is the top item then change the parent settings of the thread
// This shouldn't happen anymore. This is supposed to be absolote.
if ($arr["uri"] == $first_id) {
logger('setting new parent to id '.$newitem);
$new_parents = q("SELECT `id`, `uri`, `contact-id`, `type`, `verb`, `visible` FROM `item` WHERE `uid` = %d AND `id` = %d LIMIT 1",
intval($uid), intval($newitem));
if ($new_parents)
$parent = $new_parents[0];
}
}
if (($item_stored < 0) AND (count($item) > 0)) {
if (get_config('system','ostatus_full_threads')) {
$details = self::get_actor_details($item["owner-link"], $uid, $item["contact-id"]);
if ($details["not_following"]) {
logger("Don't import uri ".$item["uri"]." because user ".$uid." doesn't follow the person ".$item["owner-link"], LOGGER_DEBUG);
return false;
}
}
$item_stored = item_store($item, true);
if ($item_stored) {
logger("Uri ".$item["uri"]." wasn't found in conversation ".$conversation_url, LOGGER_DEBUG);
self::store_conversation($item_stored, $conversation_url);
}
}
return($item_stored);
}
/**
* @brief Stores conversation data into the database
*
* @param integer $itemid The id of the item
* @param string $conversation_url The uri of the conversation
*/
private function store_conversation($itemid, $conversation_url) {
$conversation_url = self::convert_href($conversation_url);
$messages = q("SELECT `uid`, `parent`, `created`, `received`, `guid` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
if (!$messages)
return;
$message = $messages[0];
// Store conversation url if not done before
$conversation = q("SELECT `url` FROM `term` WHERE `uid` = %d AND `oid` = %d AND `otype` = %d AND `type` = %d",
intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION));
if (!$conversation) {
$r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `created`, `received`, `guid`) VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s')",
intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval(TERM_CONVERSATION),
dbesc($message["created"]), dbesc($conversation_url), dbesc($message["created"]), dbesc($message["received"]), dbesc($message["guid"]));
logger('Storing conversation url '.$conversation_url.' for id '.$itemid);
}
}
/**
* @brief Checks if the current post is a reshare
*
* @param array $item The item array of thw post
*
* @return string The guid if the post is a reshare
*/
private function get_reshared_guid($item) {
$body = trim($item["body"]);
// Skip if it isn't a pure repeated messages
// Does it start with a share?
if (strpos($body, "[share") > 0)
return("");
// Does it end with a share?
if (strlen($body) > (strrpos($body, "[/share]") + 8))
return("");
$attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
// Skip if there is no shared message in there
if ($body == $attributes)
return(false);
$guid = "";
preg_match("/guid='(.*?)'/ism", $attributes, $matches);
if ($matches[1] != "")
$guid = $matches[1];
preg_match('/guid="(.*?)"/ism', $attributes, $matches);
if ($matches[1] != "")
$guid = $matches[1];
return $guid;
}
/**
* @brief Cleans the body of a post if it contains picture links
*
* @param string $body The body
*
* @return string The cleaned body
*/
private function format_picture_post($body) {
$siteinfo = get_attached_data($body);
if (($siteinfo["type"] == "photo")) {
if (isset($siteinfo["preview"]))
$preview = $siteinfo["preview"];
else
$preview = $siteinfo["image"];
// Is it a remote picture? Then make a smaller preview here
$preview = proxy_url($preview, false, PROXY_SIZE_SMALL);
// Is it a local picture? Then make it smaller here
$preview = str_replace(array("-0.jpg", "-0.png"), array("-2.jpg", "-2.png"), $preview);
$preview = str_replace(array("-1.jpg", "-1.png"), array("-2.jpg", "-2.png"), $preview);
if (isset($siteinfo["url"]))
$url = $siteinfo["url"];
else
$url = $siteinfo["image"];
$body = trim($siteinfo["text"])." [url]".$url."[/url]\n[img]".$preview."[/img]";
}
return $body;
}
/**
* @brief Adds the header elements to the XML document
*
* @param object $doc XML document
* @param array $owner Contact data of the poster
*
* @return object header root element
*/
private function add_header($doc, $owner) {
$a = get_app();
$root = $doc->createElementNS(NAMESPACE_ATOM1, 'feed');
$doc->appendChild($root);
$root->setAttribute("xmlns:thr", NAMESPACE_THREAD);
$root->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
$root->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
$root->setAttribute("xmlns:media", NAMESPACE_MEDIA);
$root->setAttribute("xmlns:poco", NAMESPACE_POCO);
$root->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
$root->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
$attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
xml::add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
xml::add_element($doc, $root, "id", App::get_baseurl()."/profile/".$owner["nick"]);
xml::add_element($doc, $root, "title", sprintf("%s timeline", $owner["name"]));
xml::add_element($doc, $root, "subtitle", sprintf("Updates from %s on %s", $owner["name"], $a->config["sitename"]));
xml::add_element($doc, $root, "logo", $owner["photo"]);
xml::add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
$author = self::add_author($doc, $owner);
$root->appendChild($author);
$attributes = array("href" => $owner["url"], "rel" => "alternate", "type" => "text/html");
xml::add_element($doc, $root, "link", "", $attributes);
/// @TODO We have to find out what this is
/// $attributes = array("href" => App::get_baseurl()."/sup",
/// "rel" => "http://api.friendfeed.com/2008/03#sup",
/// "type" => "application/json");
/// xml::add_element($doc, $root, "link", "", $attributes);
self::hublinks($doc, $root);
$attributes = array("href" => App::get_baseurl()."/salmon/".$owner["nick"], "rel" => "salmon");
xml::add_element($doc, $root, "link", "", $attributes);
$attributes = array("href" => App::get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-replies");
xml::add_element($doc, $root, "link", "", $attributes);
$attributes = array("href" => App::get_baseurl()."/salmon/".$owner["nick"], "rel" => "http://salmon-protocol.org/ns/salmon-mention");
xml::add_element($doc, $root, "link", "", $attributes);
$attributes = array("href" => App::get_baseurl()."/api/statuses/user_timeline/".$owner["nick"].".atom",
"rel" => "self", "type" => "application/atom+xml");
xml::add_element($doc, $root, "link", "", $attributes);
return $root;
}
/**
* @brief Add the link to the push hubs to the XML document
*
* @param object $doc XML document
* @param object $root XML root element where the hub links are added
*/
public static function hublinks($doc, $root) {
$hub = get_config('system','huburl');
$hubxml = '';
if(strlen($hub)) {
$hubs = explode(',', $hub);
if(count($hubs)) {
foreach($hubs as $h) {
$h = trim($h);
if(! strlen($h))
continue;
if ($h === '[internal]')
$h = App::get_baseurl() . '/pubsubhubbub';
xml::add_element($doc, $root, "link", "", array("href" => $h, "rel" => "hub"));
}
}
}
}
/**
* @brief Adds attachement data to the XML document
*
* @param object $doc XML document
* @param object $root XML root element where the hub links are added
* @param array $item Data of the item that is to be posted
*/
private function get_attachment($doc, $root, $item) {
$o = "";
$siteinfo = get_attached_data($item["body"]);
switch($siteinfo["type"]) {
case 'link':
$attributes = array("rel" => "enclosure",
"href" => $siteinfo["url"],
"type" => "text/html; charset=UTF-8",
"length" => "",
"title" => $siteinfo["title"]);
xml::add_element($doc, $root, "link", "", $attributes);
break;
case 'photo':
$imgdata = get_photo_info($siteinfo["image"]);
$attributes = array("rel" => "enclosure",
"href" => $siteinfo["image"],
"type" => $imgdata["mime"],
"length" => intval($imgdata["size"]));
xml::add_element($doc, $root, "link", "", $attributes);
break;
case 'video':
$attributes = array("rel" => "enclosure",
"href" => $siteinfo["url"],
"type" => "text/html; charset=UTF-8",
"length" => "",
"title" => $siteinfo["title"]);
xml::add_element($doc, $root, "link", "", $attributes);
break;
default:
break;
}
if (($siteinfo["type"] != "photo") AND isset($siteinfo["image"])) {
$photodata = get_photo_info($siteinfo["image"]);
$attributes = array("rel" => "preview", "href" => $siteinfo["image"], "media:width" => $photodata[0], "media:height" => $photodata[1]);
xml::add_element($doc, $root, "link", "", $attributes);
}
$arr = explode('[/attach],',$item['attach']);
if(count($arr)) {
foreach($arr as $r) {
$matches = false;
$cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
if($cnt) {
$attributes = array("rel" => "enclosure",
"href" => $matches[1],
"type" => $matches[3]);
if(intval($matches[2]))
$attributes["length"] = intval($matches[2]);
if(trim($matches[4]) != "")
$attributes["title"] = trim($matches[4]);
xml::add_element($doc, $root, "link", "", $attributes);
}
}
}
}
/**
* @brief Adds the author element to the XML document
*
* @param object $doc XML document
* @param array $owner Contact data of the poster
*
* @return object author element
*/
private function add_author($doc, $owner) {
$r = q("SELECT `homepage` FROM `profile` WHERE `uid` = %d AND `is-default` LIMIT 1", intval($owner["uid"]));
if ($r)
$profile = $r[0];
$author = $doc->createElement("author");
xml::add_element($doc, $author, "activity:object-type", ACTIVITY_OBJ_PERSON);
xml::add_element($doc, $author, "uri", $owner["url"]);
xml::add_element($doc, $author, "name", $owner["name"]);
xml::add_element($doc, $author, "summary", bbcode($owner["about"], false, false, 7));
$attributes = array("rel" => "alternate", "type" => "text/html", "href" => $owner["url"]);
xml::add_element($doc, $author, "link", "", $attributes);
$attributes = array(
"rel" => "avatar",
"type" => "image/jpeg", // To-Do?
"media:width" => 175,
"media:height" => 175,
"href" => $owner["photo"]);
xml::add_element($doc, $author, "link", "", $attributes);
if (isset($owner["thumb"])) {
$attributes = array(
"rel" => "avatar",
"type" => "image/jpeg", // To-Do?
"media:width" => 80,
"media:height" => 80,
"href" => $owner["thumb"]);
xml::add_element($doc, $author, "link", "", $attributes);
}
xml::add_element($doc, $author, "poco:preferredUsername", $owner["nick"]);
xml::add_element($doc, $author, "poco:displayName", $owner["name"]);
xml::add_element($doc, $author, "poco:note", bbcode($owner["about"], false, false, 7));
if (trim($owner["location"]) != "") {
$element = $doc->createElement("poco:address");
xml::add_element($doc, $element, "poco:formatted", $owner["location"]);
$author->appendChild($element);
}
if (trim($profile["homepage"]) != "") {
$urls = $doc->createElement("poco:urls");
xml::add_element($doc, $urls, "poco:type", "homepage");
xml::add_element($doc, $urls, "poco:value", $profile["homepage"]);
xml::add_element($doc, $urls, "poco:primary", "true");
$author->appendChild($urls);
}
if (count($profile)) {
xml::add_element($doc, $author, "followers", "", array("url" => App::get_baseurl()."/viewcontacts/".$owner["nick"]));
xml::add_element($doc, $author, "statusnet:profile_info", "", array("local_id" => $owner["uid"]));
}
return $author;
}
/**
* @TODO Picture attachments should look like this:
* <a href="https://status.pirati.ca/attachment/572819" title="https://status.pirati.ca/file/heluecht-20151202T222602-rd3u49p.gif"
* class="attachment thumbnail" id="attachment-572819" rel="nofollow external">https://status.pirati.ca/attachment/572819</a>
*
*/
/**
* @brief Returns the given activity if present - otherwise returns the "post" activity
*
* @param array $item Data of the item that is to be posted
*
* @return string activity
*/
function construct_verb($item) {
if ($item['verb'])
return $item['verb'];
return ACTIVITY_POST;
}
/**
* @brief Returns the given object type if present - otherwise returns the "note" object type
*
* @param array $item Data of the item that is to be posted
*
* @return string Object type
*/
function construct_objecttype($item) {
if (in_array($item['object-type'], array(ACTIVITY_OBJ_NOTE, ACTIVITY_OBJ_COMMENT)))
return $item['object-type'];
return ACTIVITY_OBJ_NOTE;
}
/**
* @brief Adds an entry element to the XML document
*
* @param object $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $toplevel
*
* @return object Entry element
*/
private function entry($doc, $item, $owner, $toplevel = false) {
$repeated_guid = self::get_reshared_guid($item);
if ($repeated_guid != "")
$xml = self::reshare_entry($doc, $item, $owner, $repeated_guid, $toplevel);
if ($xml)
return $xml;
if ($item["verb"] == ACTIVITY_LIKE)
return self::like_entry($doc, $item, $owner, $toplevel);
else
return self::note_entry($doc, $item, $owner, $toplevel);
}
/**
* @brief Adds a source entry to the XML document
*
* @param object $doc XML document
* @param array $contact Array of the contact that is added
*
* @return object Source element
*/
private function source_entry($doc, $contact) {
$source = $doc->createElement("source");
xml::add_element($doc, $source, "id", $contact["poll"]);
xml::add_element($doc, $source, "title", $contact["name"]);
xml::add_element($doc, $source, "link", "", array("rel" => "alternate",
"type" => "text/html",
"href" => $contact["alias"]));
xml::add_element($doc, $source, "link", "", array("rel" => "self",
"type" => "application/atom+xml",
"href" => $contact["poll"]));
xml::add_element($doc, $source, "icon", $contact["photo"]);
xml::add_element($doc, $source, "updated", datetime_convert("UTC","UTC",$contact["success_update"]."+00:00",ATOM_TIME));
return $source;
}
/**
* @brief Fetches contact data from the contact or the gcontact table
*
* @param string $url URL of the contact
* @param array $owner Contact data of the poster
*
* @return array Contact array
*/
private function contact_entry($url, $owner) {
$r = q("SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` IN (0, %d) ORDER BY `uid` DESC LIMIT 1",
dbesc(normalise_link($url)), intval($owner["uid"]));
if ($r) {
$contact = $r[0];
$contact["uid"] = -1;
}
if (!$r) {
$r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
dbesc(normalise_link($url)));
if ($r) {
$contact = $r[0];
$contact["uid"] = -1;
$contact["success_update"] = $contact["updated"];
}
}
if (!$r)
$contact = owner;
if (!isset($contact["poll"])) {
$data = probe_url($url);
$contact["poll"] = $data["poll"];
if (!$contact["alias"])
$contact["alias"] = $data["alias"];
}
if (!isset($contact["alias"]))
$contact["alias"] = $contact["url"];
return $contact;
}
/**
* @brief Adds an entry element with reshared content
*
* @param object $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param $repeated_guid
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
*
* @return object Entry element
*/
private function reshare_entry($doc, $item, $owner, $repeated_guid, $toplevel) {
if (($item["id"] != $item["parent"]) AND (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
}
$title = self::entry_header($doc, $entry, $owner, $toplevel);
$r = q("SELECT * FROM `item` WHERE `uid` = %d AND `guid` = '%s' AND NOT `private` AND `network` IN ('%s', '%s', '%s') LIMIT 1",
intval($owner["uid"]), dbesc($repeated_guid),
dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA), dbesc(NETWORK_OSTATUS));
if ($r)
$repeated_item = $r[0];
else
return false;
$contact = self::contact_entry($repeated_item['author-link'], $owner);
$parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
$title = $owner["nick"]." repeated a notice by ".$contact["nick"];
self::entry_content($doc, $entry, $item, $owner, $title, ACTIVITY_SHARE, false);
$as_object = $doc->createElement("activity:object");
xml::add_element($doc, $as_object, "activity:object-type", NAMESPACE_ACTIVITY_SCHEMA."activity");
self::entry_content($doc, $as_object, $repeated_item, $owner, "", "", false);
$author = self::add_author($doc, $contact);
$as_object->appendChild($author);
$as_object2 = $doc->createElement("activity:object");
xml::add_element($doc, $as_object2, "activity:object-type", self::construct_objecttype($repeated_item));
$title = sprintf("New comment by %s", $contact["nick"]);
self::entry_content($doc, $as_object2, $repeated_item, $owner, $title);
$as_object->appendChild($as_object2);
self::entry_footer($doc, $as_object, $item, $owner, false);
$source = self::source_entry($doc, $contact);
$as_object->appendChild($source);
$entry->appendChild($as_object);
self::entry_footer($doc, $entry, $item, $owner);
return $entry;
}
/**
* @brief Adds an entry element with a "like"
*
* @param object $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
*
* @return object Entry element with "like"
*/
private function like_entry($doc, $item, $owner, $toplevel) {
if (($item["id"] != $item["parent"]) AND (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
}
$title = self::entry_header($doc, $entry, $owner, $toplevel);
$verb = NAMESPACE_ACTIVITY_SCHEMA."favorite";
self::entry_content($doc, $entry, $item, $owner, "Favorite", $verb, false);
$as_object = $doc->createElement("activity:object");
$parent = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d",
dbesc($item["thr-parent"]), intval($item["uid"]));
$parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
xml::add_element($doc, $as_object, "activity:object-type", self::construct_objecttype($parent[0]));
self::entry_content($doc, $as_object, $parent[0], $owner, "New entry");
$entry->appendChild($as_object);
self::entry_footer($doc, $entry, $item, $owner);
return $entry;
}
/**
* @brief Adds a regular entry element
*
* @param object $doc XML document
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
*
* @return object Entry element
*/
private function note_entry($doc, $item, $owner, $toplevel) {
if (($item["id"] != $item["parent"]) AND (normalise_link($item["author-link"]) != normalise_link($owner["url"]))) {
logger("OStatus entry is from author ".$owner["url"]." - not from ".$item["author-link"].". Quitting.", LOGGER_DEBUG);
}
$title = self::entry_header($doc, $entry, $owner, $toplevel);
xml::add_element($doc, $entry, "activity:object-type", ACTIVITY_OBJ_NOTE);
self::entry_content($doc, $entry, $item, $owner, $title);
self::entry_footer($doc, $entry, $item, $owner);
return $entry;
}
/**
* @brief Adds a header element to the XML document
*
* @param object $doc XML document
* @param object $entry The entry element where the elements are added
* @param array $owner Contact data of the poster
* @param bool $toplevel Is it for en entry element (false) or a feed entry (true)?
*
* @return string The title for the element
*/
private function entry_header($doc, &$entry, $owner, $toplevel) {
/// @todo Check if this title stuff is really needed (I guess not)
if (!$toplevel) {
$entry = $doc->createElement("entry");
$title = sprintf("New note by %s", $owner["nick"]);
} else {
$entry = $doc->createElementNS(NAMESPACE_ATOM1, "entry");
$entry->setAttribute("xmlns:thr", NAMESPACE_THREAD);
$entry->setAttribute("xmlns:georss", NAMESPACE_GEORSS);
$entry->setAttribute("xmlns:activity", NAMESPACE_ACTIVITY);
$entry->setAttribute("xmlns:media", NAMESPACE_MEDIA);
$entry->setAttribute("xmlns:poco", NAMESPACE_POCO);
$entry->setAttribute("xmlns:ostatus", NAMESPACE_OSTATUS);
$entry->setAttribute("xmlns:statusnet", NAMESPACE_STATUSNET);
$author = self::add_author($doc, $owner);
$entry->appendChild($author);
$title = sprintf("New comment by %s", $owner["nick"]);
}
return $title;
}
/**
* @brief Adds elements to the XML document
*
* @param object $doc XML document
* @param object $entry Entry element where the content is added
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param string $title Title for the post
* @param string $verb The activity verb
* @param bool $complete Add the "status_net" element?
*/
private function entry_content($doc, $entry, $item, $owner, $title, $verb = "", $complete = true) {
if ($verb == "")
$verb = self::construct_verb($item);
xml::add_element($doc, $entry, "id", $item["uri"]);
xml::add_element($doc, $entry, "title", $title);
$body = self::format_picture_post($item['body']);
if ($item['title'] != "")
$body = "[b]".$item['title']."[/b]\n\n".$body;
$body = bbcode($body, false, false, 7);
xml::add_element($doc, $entry, "content", $body, array("type" => "html"));
xml::add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
"href" => App::get_baseurl()."/display/".$item["guid"]));
if ($complete)
xml::add_element($doc, $entry, "status_net", "", array("notice_id" => $item["id"]));
xml::add_element($doc, $entry, "activity:verb", $verb);
xml::add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
xml::add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
}
/**
* @brief Adds the elements at the foot of an entry to the XML document
*
* @param object $doc XML document
* @param object $entry The entry element where the elements are added
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
* @param $complete
*/
private function entry_footer($doc, $entry, $item, $owner, $complete = true) {
$mentioned = array();
if (($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
$parent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `id` = %d", intval($item["parent"]));
$parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
$attributes = array(
"ref" => $parent_item,
"type" => "text/html",
"href" => App::get_baseurl()."/display/".$parent[0]["guid"]);
xml::add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
$attributes = array(
"rel" => "related",
"href" => App::get_baseurl()."/display/".$parent[0]["guid"]);
xml::add_element($doc, $entry, "link", "", $attributes);
$mentioned[$parent[0]["author-link"]] = $parent[0]["author-link"];
$mentioned[$parent[0]["owner-link"]] = $parent[0]["owner-link"];
$thrparent = q("SELECT `guid`, `author-link`, `owner-link` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
intval($owner["uid"]),
dbesc($parent_item));
if ($thrparent) {
$mentioned[$thrparent[0]["author-link"]] = $thrparent[0]["author-link"];
$mentioned[$thrparent[0]["owner-link"]] = $thrparent[0]["owner-link"];
}
}
xml::add_element($doc, $entry, "link", "", array("rel" => "ostatus:conversation",
"href" => App::get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]));
xml::add_element($doc, $entry, "ostatus:conversation", App::get_baseurl()."/display/".$owner["nick"]."/".$item["parent"]);
$tags = item_getfeedtags($item);
if(count($tags))
foreach($tags as $t)
if ($t[0] == "@")
$mentioned[$t[1]] = $t[1];
// Make sure that mentions are accepted (GNU Social has problems with mixing HTTP and HTTPS)
$newmentions = array();
foreach ($mentioned AS $mention) {
$newmentions[str_replace("http://", "https://", $mention)] = str_replace("http://", "https://", $mention);
$newmentions[str_replace("https://", "http://", $mention)] = str_replace("https://", "http://", $mention);
}
$mentioned = $newmentions;
foreach ($mentioned AS $mention) {
$r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
intval($owner["uid"]),
dbesc(normalise_link($mention)));
if ($r[0]["forum"] OR $r[0]["prv"])
xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
"ostatus:object-type" => ACTIVITY_OBJ_GROUP,
"href" => $mention));
else
xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
"ostatus:object-type" => ACTIVITY_OBJ_PERSON,
"href" => $mention));
}
if (!$item["private"]) {
xml::add_element($doc, $entry, "link", "", array("rel" => "ostatus:attention",
"href" => "http://activityschema.org/collection/public"));
xml::add_element($doc, $entry, "link", "", array("rel" => "mentioned",
"ostatus:object-type" => "http://activitystrea.ms/schema/1.0/collection",
"href" => "http://activityschema.org/collection/public"));
}
if(count($tags))
foreach($tags as $t)
if ($t[0] != "@")
xml::add_element($doc, $entry, "category", "", array("term" => $t[2]));
self::get_attachment($doc, $entry, $item);
if ($complete) {
$app = $item["app"];
if ($app == "")
$app = "web";
$attributes = array("local_id" => $item["id"], "source" => $app);
if (isset($parent["id"]))
$attributes["repeat_of"] = $parent["id"];
if ($item["coord"] != "")
xml::add_element($doc, $entry, "georss:point", $item["coord"]);
xml::add_element($doc, $entry, "statusnet:notice_info", "", $attributes);
}
}
/**
* @brief Creates the XML feed for a given nickname
*
* @param app $a The application class
* @param string $owner_nick Nickname of the feed owner
* @param string $last_update Date of the last update
*
* @return string XML feed
*/
public static function feed(&$a, $owner_nick, $last_update) {
$r = q("SELECT `contact`.*, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `contact`.`self` AND `user`.`nickname` = '%s' LIMIT 1",
dbesc($owner_nick));
if (!$r)
return;
$owner = $r[0];
if(!strlen($last_update))
$last_update = 'now -30 days';
$check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
$items = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id` FROM `item`
INNER JOIN `thread` ON `thread`.`iid` = `item`.`parent`
LEFT JOIN `item` AS `thritem` ON `thritem`.`uri`=`item`.`thr-parent` AND `thritem`.`uid`=`item`.`uid`
WHERE `item`.`uid` = %d AND `item`.`received` > '%s' AND NOT `item`.`private` AND NOT `item`.`deleted`
AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
AND ((`item`.`wall` AND (`item`.`parent` = `item`.`id`))
OR (`item`.`network` = '%s' AND ((`thread`.`network` IN ('%s', '%s')) OR (`thritem`.`network` IN ('%s', '%s')))) AND `thread`.`mention`)
AND ((`item`.`owner-link` IN ('%s', '%s') AND (`item`.`parent` = `item`.`id`))
OR (`item`.`author-link` IN ('%s', '%s')))
ORDER BY `item`.`received` DESC
LIMIT 0, 300",
intval($owner["uid"]), dbesc($check_date), dbesc(NETWORK_DFRN),
//dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
//dbesc(NETWORK_OSTATUS), dbesc(NETWORK_OSTATUS),
dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
dbesc(NETWORK_OSTATUS), dbesc(NETWORK_DFRN),
dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"])),
dbesc($owner["nurl"]), dbesc(str_replace("http://", "https://", $owner["nurl"]))
);
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
$root = self::add_header($doc, $owner);
foreach ($items AS $item) {
$entry = self::entry($doc, $item, $owner);
$root->appendChild($entry);
}
return(trim($doc->saveXML()));
}
/**
* @brief Creates the XML for a salmon message
*
* @param array $item Data of the item that is to be posted
* @param array $owner Contact data of the poster
*
* @return string XML for the salmon
*/
public static function salmon($item,$owner) {
$doc = new DOMDocument('1.0', 'utf-8');
$doc->formatOutput = true;
$entry = self::entry($doc, $item, $owner, true);
$doc->appendChild($entry);
return(trim($doc->saveXML()));
}
}
?>
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