<?php
+/**
+ * @file include/socgraph.php
+ *
+ * @todo Move GNU Social URL schemata (http://server.tld/user/number) to http://server.tld/username
+ * @todo Fetch profile data from profile page for Redmatrix users
+ * @todo Detect if it is a forum
+ */
require_once('include/datetime.php');
+require_once("include/Scrape.php");
+require_once("include/network.php");
+require_once("include/html2bbcode.php");
+require_once("include/Contact.php");
+require_once("include/Photo.php");
/*
* poco_load
*
* Once the global contact is stored add (if necessary) the contact linkage which associates
* the given uid, cid to the global contact entry. There can be many uid/cid combinations
- * pointing to the same global contact id.
+ * pointing to the same global contact id.
*
*/
-
+
function poco_load($cid,$uid = 0,$zcid = 0,$url = null) {
+
$a = get_app();
if($cid) {
$r = q("select `poco`, `uid` from `contact` where `id` = %d limit 1",
intval($cid)
);
- if(count($r)) {
+ if (dbm::is_result($r)) {
$url = $r[0]['poco'];
$uid = $r[0]['uid'];
}
if(! $url)
return;
- $url = $url . (($uid) ? '/@me/@all?fields=displayName,urls,photos' : '?fields=displayName,urls,photos,updated') ;
+ $url = $url . (($uid) ? '/@me/@all?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation' : '?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation') ;
logger('poco_load: ' . $url, LOGGER_DEBUG);
$profile_photo = '';
$connect_url = '';
$name = '';
+ $network = '';
$updated = '0000-00-00 00:00:00';
+ $location = '';
+ $about = '';
+ $keywords = '';
+ $gender = '';
+ $contact_type = -1;
+ $generation = 0;
$name = $entry->displayName;
if(isset($entry->updated))
$updated = date("Y-m-d H:i:s", strtotime($entry->updated));
- if((! $name) || (! $profile_url) || (! $profile_photo))
- continue;
+ if(isset($entry->network))
+ $network = $entry->network;
- $gcid = poco_check($profile_url, $name, $profile_photo, $connect_url, $updated);
+ if(isset($entry->currentLocation))
+ $location = $entry->currentLocation;
- if(! $gcid)
- return;
+ if(isset($entry->aboutMe))
+ $about = html2bbcode($entry->aboutMe);
- $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
- intval($cid),
- intval($uid),
- intval($gcid),
- intval($zcid)
- );
- if(! count($r)) {
- q("INSERT INTO `glink` (`cid`,`uid`,`gcid`,`zcid`, `updated`) VALUES (%d,%d,%d,%d, '%s') ",
- intval($cid),
- intval($uid),
- intval($gcid),
- intval($zcid),
- dbesc(datetime_convert())
- );
- }
- else {
- q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
- dbesc(datetime_convert()),
- intval($cid),
- intval($uid),
- intval($gcid),
- intval($zcid)
- );
- }
+ if(isset($entry->gender))
+ $gender = $entry->gender;
- // For unknown reasons there are sometimes duplicates
- q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d AND
- NOT EXISTS (SELECT `gcid` FROM `glink` WHERE `gcid` = `gcontact`.`id`)",
- dbesc(normalise_link($profile_url)),
- intval($gcid)
- );
+ if(isset($entry->generation) AND ($entry->generation > 0))
+ $generation = ++$entry->generation;
+
+ if(isset($entry->tags))
+ foreach($entry->tags as $tag)
+ $keywords = implode(", ", $tag);
+
+ if(isset($entry->contactType) AND ($entry->contactType >= 0))
+ $contact_type = $entry->contactType;
+
+ // If you query a Friendica server for its profiles, the network has to be Friendica
+ /// TODO It could also be a Redmatrix server
+ //if ($uid == 0)
+ // $network = NETWORK_DFRN;
+ poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid);
+
+ $gcontact = array("url" => $profile_url, "contact-type" => $contact_type, "generation" => $generation);
+ update_gcontact($gcontact);
+
+ // Update the Friendica contacts. Diaspora is doing it via a message. (See include/diaspora.php)
+ // Deactivated because we now update Friendica contacts in dfrn.php
+ //if (($location != "") OR ($about != "") OR ($keywords != "") OR ($gender != ""))
+ // q("UPDATE `contact` SET `location` = '%s', `about` = '%s', `keywords` = '%s', `gender` = '%s'
+ // WHERE `nurl` = '%s' AND NOT `self` AND `network` = '%s'",
+ // dbesc($location),
+ // dbesc($about),
+ // dbesc($keywords),
+ // dbesc($gender),
+ // dbesc(normalise_link($profile_url)),
+ // dbesc(NETWORK_DFRN));
}
logger("poco_load: loaded $total entries",LOGGER_DEBUG);
}
-function poco_check($profile_url, $name, $profile_photo, $connect_url, $updated) {
+function poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid = 0, $uid = 0, $zcid = 0) {
+
+ $a = get_app();
+
+ // Generation:
+ // 0: No definition
+ // 1: Profiles on this server
+ // 2: Contacts of profiles on this server
+ // 3: Contacts of contacts of profiles on this server
+ // 4: ...
+
$gcid = "";
- if (($profile_url == "") OR ($name == "") OR ($profile_photo == ""))
+ if ($profile_url == "")
+ return $gcid;
+
+ $urlparts = parse_url($profile_url);
+ if (!isset($urlparts["scheme"]))
return $gcid;
- logger("profile-check URL: ".$profile_url." name: ".$name." avatar: ".$profile_photo, LOGGER_DEBUG);
+ if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com",
+ "identi.ca", "alpha.app.net")))
+ return $gcid;
+
+ // Don't store the statusnet connector as network
+ // We can't simply set this to NETWORK_OSTATUS since the connector could have fetched posts from friendica as well
+ if ($network == NETWORK_STATUSNET)
+ $network = "";
+
+ // Assure that there are no parameter fragments in the profile url
+ if (in_array($network, array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, "")))
+ $profile_url = clean_contact_url($profile_url);
+
+ $alternate = poco_alternate_ostatus_url($profile_url);
+
+ $orig_updated = $updated;
+
+ // The global contacts should contain the original picture, not the cached one
+ if (($generation != 1) AND stristr(normalise_link($profile_photo), normalise_link($a->get_baseurl()."/photo/")))
+ $profile_photo = "";
+
+ $r = q("SELECT `network` FROM `contact` WHERE `nurl` = '%s' AND `network` != '' AND `network` != '%s' LIMIT 1",
+ dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET)
+ );
+ if (dbm::is_result($r))
+ $network = $r[0]["network"];
+
+ if (($network == "") OR ($network == NETWORK_OSTATUS)) {
+ $r = q("SELECT `network`, `url` FROM `contact` WHERE `alias` IN ('%s', '%s') AND `network` != '' AND `network` != '%s' LIMIT 1",
+ dbesc($profile_url), dbesc(normalise_link($profile_url)), dbesc(NETWORK_STATUSNET)
+ );
+ if (dbm::is_result($r)) {
+ $network = $r[0]["network"];
+ //$profile_url = $r[0]["url"];
+ }
+ }
$x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
dbesc(normalise_link($profile_url))
);
- if(count($x)) {
- $gcid = $x[0]['id'];
-
- if($x[0]['name'] != $name || $x[0]['photo'] != $profile_photo || $x[0]['updated'] < $updated) {
- q("update gcontact set `name` = '%s', `photo` = '%s', `connect` = '%s', `url` = '%s', `updated` = '%s'
- where `nurl` = '%s'",
- dbesc($name),
- dbesc($profile_photo),
- dbesc($connect_url),
- dbesc($profile_url),
- dbesc($updated),
- dbesc(normalise_link($profile_url))
- );
- }
+ if (count($x)) {
+ if (($network == "") AND ($x[0]["network"] != NETWORK_STATUSNET))
+ $network = $x[0]["network"];
+
+ if ($updated == "0000-00-00 00:00:00")
+ $updated = $x[0]["updated"];
+
+ $created = $x[0]["created"];
+ $server_url = $x[0]["server_url"];
+ $nick = $x[0]["nick"];
+ $addr = $x[0]["addr"];
+ $alias = $x[0]["alias"];
+ $notify = $x[0]["notify"];
} else {
- q("insert into `gcontact` (`name`,`url`,`nurl`,`photo`,`connect`, `updated`)
- values ('%s', '%s', '%s', '%s','%s', '%s')",
- dbesc($name),
- dbesc($profile_url),
- dbesc(normalise_link($profile_url)),
- dbesc($profile_photo),
- dbesc($connect_url),
- dbesc($updated)
- );
- $x = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
+ $created = "0000-00-00 00:00:00";
+ $server_url = "";
+
+ $urlparts = parse_url($profile_url);
+ $nick = end(explode("/", $urlparts["path"]));
+ $addr = "";
+ $alias = "";
+ $notify = "";
+ }
+
+ if ((($network == "") OR ($name == "") OR ($addr == "") OR ($profile_photo == "") OR ($server_url == "") OR $alternate)
+ AND poco_reachable($profile_url, $server_url, $network, false)) {
+ $data = probe_url($profile_url);
+
+ $orig_profile = $profile_url;
+
+ $network = $data["network"];
+ $name = $data["name"];
+ $nick = $data["nick"];
+ $addr = $data["addr"];
+ $alias = $data["alias"];
+ $notify = $data["notify"];
+ $profile_url = $data["url"];
+ $profile_photo = $data["photo"];
+ $server_url = $data["baseurl"];
+
+ if ($alternate AND ($network == NETWORK_OSTATUS)) {
+ // Delete the old entry - if it exists
+ $r = q("SELECT `id` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
+ if ($r) {
+ q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($orig_profile)));
+ q("DELETE FROM `glink` WHERE `gcid` = %d", intval($r[0]["id"]));
+ }
+
+ // possibly create a new entry
+ poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, $cid, $uid, $zcid);
+ }
+ }
+
+ if ($alternate AND ($network == NETWORK_OSTATUS))
+ return $gcid;
+
+ if (count($x) AND ($x[0]["network"] == "") AND ($network != "")) {
+ q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
+ dbesc($network),
dbesc(normalise_link($profile_url))
);
- if(count($x))
- $gcid = $x[0]['id'];
}
+
+ if (($name == "") OR ($profile_photo == ""))
+ return $gcid;
+
+ if (!in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA)))
+ return $gcid;
+
+ logger("profile-check generation: ".$generation." Network: ".$network." URL: ".$profile_url." name: ".$name." avatar: ".$profile_photo, LOGGER_DEBUG);
+
+ poco_check_server($server_url, $network);
+
+ $gcontact = array("url" => $profile_url,
+ "addr" => $addr,
+ "alias" => $alias,
+ "name" => $name,
+ "network" => $network,
+ "photo" => $profile_photo,
+ "about" => $about,
+ "location" => $location,
+ "gender" => $gender,
+ "keywords" => $keywords,
+ "server_url" => $server_url,
+ "connect" => $connect_url,
+ "notify" => $notify,
+ "updated" => $updated,
+ "generation" => $generation);
+
+ $gcid = update_gcontact($gcontact);
+
+ if(!$gcid)
+ return $gcid;
+
+ $r = q("SELECT * FROM `glink` WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d LIMIT 1",
+ intval($cid),
+ intval($uid),
+ intval($gcid),
+ intval($zcid)
+ );
+ if(! dbm::is_result($r)) {
+ q("INSERT INTO `glink` (`cid`,`uid`,`gcid`,`zcid`, `updated`) VALUES (%d,%d,%d,%d, '%s') ",
+ intval($cid),
+ intval($uid),
+ intval($gcid),
+ intval($zcid),
+ dbesc(datetime_convert())
+ );
+ } else {
+ q("UPDATE `glink` SET `updated` = '%s' WHERE `cid` = %d AND `uid` = %d AND `gcid` = %d AND `zcid` = %d",
+ dbesc(datetime_convert()),
+ intval($cid),
+ intval($uid),
+ intval($gcid),
+ intval($zcid)
+ );
+ }
+
return $gcid;
}
+function poco_reachable($profile, $server = "", $network = "", $force = false) {
+
+ if ($server == "")
+ $server = poco_detect_server($profile);
+
+ if ($server == "")
+ return true;
+
+ return poco_check_server($server, $network, $force);
+}
+
+function poco_detect_server($profile) {
+
+ // Try to detect the server path based upon some known standard paths
+ $server_url = "";
+
+ if ($server_url == "") {
+ $friendica = preg_replace("=(https?://)(.*)/profile/(.*)=ism", "$1$2", $profile);
+ if ($friendica != $profile) {
+ $server_url = $friendica;
+ $network = NETWORK_DFRN;
+ }
+ }
+
+ if ($server_url == "") {
+ $diaspora = preg_replace("=(https?://)(.*)/u/(.*)=ism", "$1$2", $profile);
+ if ($diaspora != $profile) {
+ $server_url = $diaspora;
+ $network = NETWORK_DIASPORA;
+ }
+ }
+
+ if ($server_url == "") {
+ $red = preg_replace("=(https?://)(.*)/channel/(.*)=ism", "$1$2", $profile);
+ if ($red != $profile) {
+ $server_url = $red;
+ $network = NETWORK_DIASPORA;
+ }
+ }
+
+ // Mastodon
+ if ($server_url == "") {
+ $red = preg_replace("=(https?://)(.*)/users/(.*)=ism", "$1$2", $profile);
+ if ($red != $profile) {
+ $server_url = $red;
+ $network = NETWORK_OSTATUS;
+ }
+ }
+
+ return $server_url;
+}
+
+function poco_alternate_ostatus_url($url) {
+ return(preg_match("=https?://.+/user/\d+=ism", $url, $matches));
+}
+
+function poco_last_updated($profile, $force = false) {
+
+ $gcontacts = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'",
+ dbesc(normalise_link($profile)));
+
+ if ($gcontacts[0]["created"] == "0000-00-00 00:00:00")
+ q("UPDATE `gcontact` SET `created` = '%s' WHERE `nurl` = '%s'",
+ dbesc(datetime_convert()), dbesc(normalise_link($profile)));
+
+ if ($gcontacts[0]["server_url"] != "")
+ $server_url = $gcontacts[0]["server_url"];
+ else
+ $server_url = poco_detect_server($profile);
+
+ if (!in_array($gcontacts[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_FEED, NETWORK_OSTATUS, ""))) {
+ logger("Profile ".$profile.": Network type ".$gcontacts[0]["network"]." can't be checked", LOGGER_DEBUG);
+ return false;
+ }
+
+ if ($server_url != "") {
+ if (!poco_check_server($server_url, $gcontacts[0]["network"], $force)) {
+
+ if ($force)
+ q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
+ dbesc(datetime_convert()), dbesc(normalise_link($profile)));
+
+ logger("Profile ".$profile.": Server ".$server_url." wasn't reachable.", LOGGER_DEBUG);
+ return false;
+ }
+
+ q("UPDATE `gcontact` SET `server_url` = '%s' WHERE `nurl` = '%s'",
+ dbesc($server_url), dbesc(normalise_link($profile)));
+ }
+
+ if (in_array($gcontacts[0]["network"], array("", NETWORK_FEED))) {
+ $server = q("SELECT `network` FROM `gserver` WHERE `nurl` = '%s' AND `network` != ''",
+ dbesc(normalise_link($server_url)));
+
+ if ($server)
+ q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
+ dbesc($server[0]["network"]), dbesc(normalise_link($profile)));
+ else
+ return false;
+ }
+
+ // noscrape is really fast so we don't cache the call.
+ if (($gcontacts[0]["server_url"] != "") AND ($gcontacts[0]["nick"] != "")) {
+
+ // Use noscrape if possible
+ $server = q("SELECT `noscrape`, `network` FROM `gserver` WHERE `nurl` = '%s' AND `noscrape` != ''", dbesc(normalise_link($gcontacts[0]["server_url"])));
+
+ if ($server) {
+ $noscraperet = z_fetch_url($server[0]["noscrape"]."/".$gcontacts[0]["nick"]);
+
+ if ($noscraperet["success"] AND ($noscraperet["body"] != "")) {
+
+ $noscrape = json_decode($noscraperet["body"], true);
+
+ if (is_array($noscrape)) {
+ $contact = array("url" => $profile,
+ "network" => $server[0]["network"],
+ "generation" => $gcontacts[0]["generation"]);
+
+ if (isset($noscrape["fn"]))
+ $contact["name"] = $noscrape["fn"];
+
+ if (isset($noscrape["comm"]))
+ $contact["community"] = $noscrape["comm"];
+
+ if (isset($noscrape["tags"])) {
+ $keywords = implode(" ", $noscrape["tags"]);
+ if ($keywords != "")
+ $contact["keywords"] = $keywords;
+ }
+
+ $location = formatted_location($noscrape);
+ if ($location)
+ $contact["location"] = $location;
+
+ if (isset($noscrape["dfrn-notify"]))
+ $contact["notify"] = $noscrape["dfrn-notify"];
+
+ // Remove all fields that are not present in the gcontact table
+ unset($noscrape["fn"]);
+ unset($noscrape["key"]);
+ unset($noscrape["homepage"]);
+ unset($noscrape["comm"]);
+ unset($noscrape["tags"]);
+ unset($noscrape["locality"]);
+ unset($noscrape["region"]);
+ unset($noscrape["country-name"]);
+ unset($noscrape["contacts"]);
+ unset($noscrape["dfrn-request"]);
+ unset($noscrape["dfrn-confirm"]);
+ unset($noscrape["dfrn-notify"]);
+ unset($noscrape["dfrn-poll"]);
+
+ // Set the date of the last contact
+ /// @todo By now the function "update_gcontact" doesn't work with this field
+ //$contact["last_contact"] = datetime_convert();
+
+ $contact = array_merge($contact, $noscrape);
+
+ update_gcontact($contact);
+
+ if (trim($noscrape["updated"]) != "") {
+ q("UPDATE `gcontact` SET `last_contact` = '%s' WHERE `nurl` = '%s'",
+ dbesc(datetime_convert()), dbesc(normalise_link($profile)));
+
+ logger("Profile ".$profile." was last updated at ".$noscrape["updated"]." (noscrape)", LOGGER_DEBUG);
+
+ return $noscrape["updated"];
+ }
+ }
+ }
+ }
+ }
+
+ // If we only can poll the feed, then we only do this once a while
+ if (!$force AND !poco_do_update($gcontacts[0]["created"], $gcontacts[0]["updated"], $gcontacts[0]["last_failure"], $gcontacts[0]["last_contact"])) {
+ logger("Profile ".$profile." was last updated at ".$gcontacts[0]["updated"]." (cached)", LOGGER_DEBUG);
+ return $gcontacts[0]["updated"];
+ }
+
+ $data = probe_url($profile);
+
+ // Is the profile link the alternate OStatus link notation? (http://domain.tld/user/4711)
+ // Then check the other link and delete this one
+ if (($data["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($profile) AND
+ (normalise_link($profile) == normalise_link($data["alias"])) AND
+ (normalise_link($profile) != normalise_link($data["url"]))) {
+
+ // Delete the old entry
+ q("DELETE FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profile)));
+ q("DELETE FROM `glink` WHERE `gcid` = %d", intval($gcontacts[0]["id"]));
+
+ poco_check($data["url"], $data["name"], $data["network"], $data["photo"], $gcontacts[0]["about"], $gcontacts[0]["location"],
+ $gcontacts[0]["gender"], $gcontacts[0]["keywords"], $data["addr"], $gcontacts[0]["updated"], $gcontacts[0]["generation"]);
+
+ poco_last_updated($data["url"], $force);
+
+ logger("Profile ".$profile." was deleted", LOGGER_DEBUG);
+ return false;
+ }
+
+ if (($data["poll"] == "") OR (in_array($data["network"], array(NETWORK_FEED, NETWORK_PHANTOM)))) {
+ q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
+ dbesc(datetime_convert()), dbesc(normalise_link($profile)));
+
+ logger("Profile ".$profile." wasn't reachable (profile)", LOGGER_DEBUG);
+ return false;
+ }
+
+ $contact = array("generation" => $gcontacts[0]["generation"]);
+
+ $contact = array_merge($contact, $data);
+
+ $contact["server_url"] = $data["baseurl"];
+
+ unset($contact["batch"]);
+ unset($contact["poll"]);
+ unset($contact["request"]);
+ unset($contact["confirm"]);
+ unset($contact["poco"]);
+ unset($contact["priority"]);
+ unset($contact["pubkey"]);
+ unset($contact["baseurl"]);
+
+ update_gcontact($contact);
+
+ $feedret = z_fetch_url($data["poll"]);
+
+ if (!$feedret["success"]) {
+ q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
+ dbesc(datetime_convert()), dbesc(normalise_link($profile)));
+
+ logger("Profile ".$profile." wasn't reachable (no feed)", LOGGER_DEBUG);
+ return false;
+ }
+
+ $doc = new DOMDocument();
+ @$doc->loadXML($feedret["body"]);
+
+ $xpath = new DomXPath($doc);
+ $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
+
+ $entries = $xpath->query('/atom:feed/atom:entry');
+
+ $last_updated = "";
+
+ foreach ($entries AS $entry) {
+ $published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
+ $updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
+
+ if ($last_updated < $published)
+ $last_updated = $published;
+
+ if ($last_updated < $updated)
+ $last_updated = $updated;
+ }
+
+ // Maybe there aren't any entries. Then check if it is a valid feed
+ if ($last_updated == "")
+ if ($xpath->query('/atom:feed')->length > 0)
+ $last_updated = "0000-00-00 00:00:00";
+
+ q("UPDATE `gcontact` SET `updated` = '%s', `last_contact` = '%s' WHERE `nurl` = '%s'",
+ dbesc($last_updated), dbesc(datetime_convert()), dbesc(normalise_link($profile)));
+
+ if (($gcontacts[0]["generation"] == 0))
+ q("UPDATE `gcontact` SET `generation` = 9 WHERE `nurl` = '%s'",
+ dbesc(normalise_link($profile)));
+
+ logger("Profile ".$profile." was last updated at ".$last_updated, LOGGER_DEBUG);
+
+ return($last_updated);
+}
+
+function poco_do_update($created, $updated, $last_failure, $last_contact) {
+ $now = strtotime(datetime_convert());
+
+ if ($updated > $last_contact)
+ $contact_time = strtotime($updated);
+ else
+ $contact_time = strtotime($last_contact);
+
+ $failure_time = strtotime($last_failure);
+ $created_time = strtotime($created);
+
+ // If there is no "created" time then use the current time
+ if ($created_time <= 0)
+ $created_time = $now;
+
+ // If the last contact was less than 24 hours then don't update
+ if (($now - $contact_time) < (60 * 60 * 24))
+ return false;
+
+ // If the last failure was less than 24 hours then don't update
+ if (($now - $failure_time) < (60 * 60 * 24))
+ return false;
+
+ // If the last contact was less than a week ago and the last failure is older than a week then don't update
+ //if ((($now - $contact_time) < (60 * 60 * 24 * 7)) AND ($contact_time > $failure_time))
+ // return false;
+
+ // If the last contact time was more than a week ago and the contact was created more than a week ago, then only try once a week
+ if ((($now - $contact_time) > (60 * 60 * 24 * 7)) AND (($now - $created_time) > (60 * 60 * 24 * 7)) AND (($now - $failure_time) < (60 * 60 * 24 * 7)))
+ return false;
+
+ // If the last contact time was more than a month ago and the contact was created more than a month ago, then only try once a month
+ if ((($now - $contact_time) > (60 * 60 * 24 * 30)) AND (($now - $created_time) > (60 * 60 * 24 * 30)) AND (($now - $failure_time) < (60 * 60 * 24 * 30)))
+ return false;
+
+ return true;
+}
+
+function poco_to_boolean($val) {
+ if (($val == "true") OR ($val == 1))
+ return(true);
+ if (($val == "false") OR ($val == 0))
+ return(false);
+
+ return ($val);
+}
+
+function poco_check_server($server_url, $network = "", $force = false) {
+
+ // Unify the server address
+ $server_url = trim($server_url, "/");
+ $server_url = str_replace("/index.php", "", $server_url);
+
+ if ($server_url == "")
+ return false;
+
+ $servers = q("SELECT * FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
+ if ($servers) {
+
+ if ($servers[0]["created"] == "0000-00-00 00:00:00")
+ q("UPDATE `gserver` SET `created` = '%s' WHERE `nurl` = '%s'",
+ dbesc(datetime_convert()), dbesc(normalise_link($server_url)));
+
+ $poco = $servers[0]["poco"];
+ $noscrape = $servers[0]["noscrape"];
+
+ if ($network == "")
+ $network = $servers[0]["network"];
+
+ $last_contact = $servers[0]["last_contact"];
+ $last_failure = $servers[0]["last_failure"];
+ $version = $servers[0]["version"];
+ $platform = $servers[0]["platform"];
+ $site_name = $servers[0]["site_name"];
+ $info = $servers[0]["info"];
+ $register_policy = $servers[0]["register_policy"];
+
+ if (!$force AND !poco_do_update($servers[0]["created"], "", $last_failure, $last_contact)) {
+ logger("Use cached data for server ".$server_url, LOGGER_DEBUG);
+ return ($last_contact >= $last_failure);
+ }
+ } else {
+ $poco = "";
+ $noscrape = "";
+ $version = "";
+ $platform = "";
+ $site_name = "";
+ $info = "";
+ $register_policy = -1;
+
+ $last_contact = "0000-00-00 00:00:00";
+ $last_failure = "0000-00-00 00:00:00";
+ }
+ logger("Server ".$server_url." is outdated or unknown. Start discovery. Force: ".$force." Created: ".$servers[0]["created"]." Failure: ".$last_failure." Contact: ".$last_contact, LOGGER_DEBUG);
+
+ $failure = false;
+ $orig_last_failure = $last_failure;
+
+ // Check if the page is accessible via SSL.
+ $server_url = str_replace("http://", "https://", $server_url);
+ $serverret = z_fetch_url($server_url."/.well-known/host-meta");
+
+ // Maybe the page is unencrypted only?
+ $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
+ if (!$serverret["success"] OR ($serverret["body"] == "") OR (@sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
+ $server_url = str_replace("https://", "http://", $server_url);
+ $serverret = z_fetch_url($server_url."/.well-known/host-meta");
+
+ $xmlobj = @simplexml_load_string($serverret["body"],'SimpleXMLElement',0, "http://docs.oasis-open.org/ns/xri/xrd-1.0");
+ }
+
+ if (!$serverret["success"] OR ($serverret["body"] == "") OR (sizeof($xmlobj) == 0) OR !is_object($xmlobj)) {
+ // Workaround for bad configured servers (known nginx problem)
+ if ($serverret["debug"]["http_code"] != "403") {
+ $last_failure = datetime_convert();
+ $failure = true;
+ }
+ } elseif ($network == NETWORK_DIASPORA)
+ $last_contact = datetime_convert();
+
+ if (!$failure) {
+ // Test for Diaspora
+ $serverret = z_fetch_url($server_url);
+
+ if (!$serverret["success"] OR ($serverret["body"] == ""))
+ $failure = true;
+ else {
+ $lines = explode("\n",$serverret["header"]);
+ if(count($lines))
+ foreach($lines as $line) {
+ $line = trim($line);
+ if(stristr($line,'X-Diaspora-Version:')) {
+ $platform = "Diaspora";
+ $version = trim(str_replace("X-Diaspora-Version:", "", $line));
+ $version = trim(str_replace("x-diaspora-version:", "", $version));
+ $network = NETWORK_DIASPORA;
+ $versionparts = explode("-", $version);
+ $version = $versionparts[0];
+ }
+
+ if(stristr($line,'Server: Mastodon')) {
+ $platform = "Mastodon";
+ $network = NETWORK_OSTATUS;
+ // Mastodon doesn't reveal version numbers
+ $version = "";
+ }
+ }
+ }
+ }
+
+ if (!$failure) {
+ // Test for Statusnet
+ // Will also return data for Friendica and GNU Social - but it will be overwritten later
+ // The "not implemented" is a special treatment for really, really old Friendica versions
+ $serverret = z_fetch_url($server_url."/api/statusnet/version.json");
+ if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
+ ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
+ $platform = "StatusNet";
+ $version = trim($serverret["body"], '"');
+ $network = NETWORK_OSTATUS;
+ }
+
+ // Test for GNU Social
+ $serverret = z_fetch_url($server_url."/api/gnusocial/version.json");
+ if ($serverret["success"] AND ($serverret["body"] != '{"error":"not implemented"}') AND
+ ($serverret["body"] != '') AND (strlen($serverret["body"]) < 30)) {
+ $platform = "GNU Social";
+ $version = trim($serverret["body"], '"');
+ $network = NETWORK_OSTATUS;
+ }
+
+ $serverret = z_fetch_url($server_url."/api/statusnet/config.json");
+ if ($serverret["success"]) {
+ $data = json_decode($serverret["body"]);
+
+ if (isset($data->site->server)) {
+ $last_contact = datetime_convert();
+
+ if (isset($data->site->hubzilla)) {
+ $platform = $data->site->hubzilla->PLATFORM_NAME;
+ $version = $data->site->hubzilla->RED_VERSION;
+ $network = NETWORK_DIASPORA;
+ }
+ if (isset($data->site->redmatrix)) {
+ if (isset($data->site->redmatrix->PLATFORM_NAME))
+ $platform = $data->site->redmatrix->PLATFORM_NAME;
+ elseif (isset($data->site->redmatrix->RED_PLATFORM))
+ $platform = $data->site->redmatrix->RED_PLATFORM;
+
+ $version = $data->site->redmatrix->RED_VERSION;
+ $network = NETWORK_DIASPORA;
+ }
+ if (isset($data->site->friendica)) {
+ $platform = $data->site->friendica->FRIENDICA_PLATFORM;
+ $version = $data->site->friendica->FRIENDICA_VERSION;
+ $network = NETWORK_DFRN;
+ }
+
+ $site_name = $data->site->name;
+
+ $data->site->closed = poco_to_boolean($data->site->closed);
+ $data->site->private = poco_to_boolean($data->site->private);
+ $data->site->inviteonly = poco_to_boolean($data->site->inviteonly);
+
+ if (!$data->site->closed AND !$data->site->private and $data->site->inviteonly)
+ $register_policy = REGISTER_APPROVE;
+ elseif (!$data->site->closed AND !$data->site->private)
+ $register_policy = REGISTER_OPEN;
+ else
+ $register_policy = REGISTER_CLOSED;
+ }
+ }
+ }
+
+ // Query statistics.json. Optional package for Diaspora, Friendica and Redmatrix
+ if (!$failure) {
+ $serverret = z_fetch_url($server_url."/statistics.json");
+ if ($serverret["success"]) {
+ $data = json_decode($serverret["body"]);
+ if ($version == "")
+ $version = $data->version;
+
+ $site_name = $data->name;
+
+ if (isset($data->network) AND ($platform == ""))
+ $platform = $data->network;
+
+ if ($platform == "Diaspora")
+ $network = NETWORK_DIASPORA;
+
+ if ($data->registrations_open)
+ $register_policy = REGISTER_OPEN;
+ else
+ $register_policy = REGISTER_CLOSED;
+
+ if (isset($data->version))
+ $last_contact = datetime_convert();
+ }
+ }
+
+ // Check for noscrape
+ // Friendica servers could be detected as OStatus servers
+ if (!$failure AND in_array($network, array(NETWORK_DFRN, NETWORK_OSTATUS))) {
+ $serverret = z_fetch_url($server_url."/friendica/json");
+
+ if (!$serverret["success"])
+ $serverret = z_fetch_url($server_url."/friendika/json");
+
+ if ($serverret["success"]) {
+ $data = json_decode($serverret["body"]);
+
+ if (isset($data->version)) {
+ $last_contact = datetime_convert();
+ $network = NETWORK_DFRN;
+
+ $noscrape = $data->no_scrape_url;
+ $version = $data->version;
+ $site_name = $data->site_name;
+ $info = $data->info;
+ $register_policy_str = $data->register_policy;
+ $platform = $data->platform;
+
+ switch ($register_policy_str) {
+ case "REGISTER_CLOSED":
+ $register_policy = REGISTER_CLOSED;
+ break;
+ case "REGISTER_APPROVE":
+ $register_policy = REGISTER_APPROVE;
+ break;
+ case "REGISTER_OPEN":
+ $register_policy = REGISTER_OPEN;
+ break;
+ }
+ }
+ }
+ }
+
+ // Look for poco
+ if (!$failure) {
+ $serverret = z_fetch_url($server_url."/poco");
+ if ($serverret["success"]) {
+ $data = json_decode($serverret["body"]);
+ if (isset($data->totalResults)) {
+ $poco = $server_url."/poco";
+ $last_contact = datetime_convert();
+ }
+ }
+ }
+
+ // Check again if the server exists
+ $servers = q("SELECT `nurl` FROM `gserver` WHERE `nurl` = '%s'", dbesc(normalise_link($server_url)));
+
+ $version = strip_tags($version);
+ $site_name = strip_tags($site_name);
+ $info = strip_tags($info);
+ $platform = strip_tags($platform);
+
+ if ($servers)
+ q("UPDATE `gserver` SET `url` = '%s', `version` = '%s', `site_name` = '%s', `info` = '%s', `register_policy` = %d, `poco` = '%s', `noscrape` = '%s',
+ `network` = '%s', `platform` = '%s', `last_contact` = '%s', `last_failure` = '%s' WHERE `nurl` = '%s'",
+ dbesc($server_url),
+ dbesc($version),
+ dbesc($site_name),
+ dbesc($info),
+ intval($register_policy),
+ dbesc($poco),
+ dbesc($noscrape),
+ dbesc($network),
+ dbesc($platform),
+ dbesc($last_contact),
+ dbesc($last_failure),
+ dbesc(normalise_link($server_url))
+ );
+ else
+ q("INSERT INTO `gserver` (`url`, `nurl`, `version`, `site_name`, `info`, `register_policy`, `poco`, `noscrape`, `network`, `platform`, `created`, `last_contact`, `last_failure`)
+ VALUES ('%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s')",
+ dbesc($server_url),
+ dbesc(normalise_link($server_url)),
+ dbesc($version),
+ dbesc($site_name),
+ dbesc($info),
+ intval($register_policy),
+ dbesc($poco),
+ dbesc($noscrape),
+ dbesc($network),
+ dbesc($platform),
+ dbesc(datetime_convert()),
+ dbesc($last_contact),
+ dbesc($last_failure),
+ dbesc(datetime_convert())
+ );
+
+ logger("End discovery for server ".$server_url, LOGGER_DEBUG);
+
+ return !$failure;
+}
+
function count_common_friends($uid,$cid) {
$r = q("SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
- where `glink`.`cid` = %d and `glink`.`uid` = %d
- and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
+ WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
+ ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
+ AND `gcontact`.`nurl` IN (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d ) ",
intval($cid),
intval($uid),
intval($uid),
intval($cid)
);
-// logger("count_common_friends: $uid $cid {$r[0]['total']}");
- if(count($r))
+// logger("count_common_friends: $uid $cid {$r[0]['total']}");
+ if (dbm::is_result($r))
return $r[0]['total'];
return 0;
if($shuffle)
$sql_extra = " order by rand() ";
else
- $sql_extra = " order by `gcontact`.`name` asc ";
-
- $r = q("SELECT `gcontact`.*
- FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
- where `glink`.`cid` = %d and `glink`.`uid` = %d
- and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 and id != %d )
- $sql_extra limit %d, %d",
+ $sql_extra = " order by `gcontact`.`name` asc ";
+
+ $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
+ FROM `glink`
+ INNER JOIN `gcontact` ON `glink`.`gcid` = `gcontact`.`id`
+ INNER JOIN `contact` ON `gcontact`.`nurl` = `contact`.`nurl`
+ WHERE `glink`.`cid` = %d and `glink`.`uid` = %d
+ AND `contact`.`uid` = %d AND `contact`.`self` = 0 AND `contact`.`blocked` = 0
+ AND `contact`.`hidden` = 0 AND `contact`.`id` != %d
+ AND ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
+ $sql_extra LIMIT %d, %d",
intval($cid),
intval($uid),
intval($uid),
function count_common_friends_zcid($uid,$zcid) {
- $r = q("SELECT count(*) as `total`
+ $r = q("SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`zcid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 ) ",
intval($uid)
);
- if(count($r))
+ if (dbm::is_result($r))
return $r[0]['total'];
return 0;
if($shuffle)
$sql_extra = " order by rand() ";
else
- $sql_extra = " order by `gcontact`.`name` asc ";
+ $sql_extra = " order by `gcontact`.`name` asc ";
- $r = q("SELECT `gcontact`.*
+ $r = q("SELECT `gcontact`.*
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
where `glink`.`zcid` = %d
and `gcontact`.`nurl` in (select nurl from contact where uid = %d and self = 0 and blocked = 0 and hidden = 0 )
$r = q("SELECT count(*) as `total`
FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
- where `glink`.`cid` = %d and `glink`.`uid` = %d ",
+ where `glink`.`cid` = %d and `glink`.`uid` = %d AND
+ ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))",
intval($cid),
intval($uid)
);
- if(count($r))
+ if (dbm::is_result($r))
return $r[0]['total'];
return 0;
function all_friends($uid,$cid,$start = 0, $limit = 80) {
- $r = q("SELECT `gcontact`.*
- FROM `glink` INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
- where `glink`.`cid` = %d and `glink`.`uid` = %d
- order by `gcontact`.`name` asc LIMIT %d, %d ",
+ $r = q("SELECT `gcontact`.*, `contact`.`id` AS `cid`
+ FROM `glink`
+ INNER JOIN `gcontact` on `glink`.`gcid` = `gcontact`.`id`
+ LEFT JOIN `contact` ON `contact`.`nurl` = `gcontact`.`nurl` AND `contact`.`uid` = %d
+ WHERE `glink`.`cid` = %d AND `glink`.`uid` = %d AND
+ ((`gcontact`.`last_contact` >= `gcontact`.`last_failure`) OR (`gcontact`.`updated` >= `gcontact`.`last_failure`))
+ ORDER BY `gcontact`.`name` ASC LIMIT %d, %d ",
+ intval($uid),
intval($cid),
intval($uid),
intval($start),
function suggestion_query($uid, $start = 0, $limit = 80) {
- if(! $uid)
+ if (!$uid) {
return array();
+ }
+
+// Uncommented because the result of the queries are to big to store it in the cache.
+// We need to decide if we want to change the db column type or if we want to delete it.
+// $list = Cache::get("suggestion_query:".$uid.":".$start.":".$limit);
+// if (!is_null($list)) {
+// return $list;
+// }
+
+ $network = array(NETWORK_DFRN);
+ if (get_config('system','diaspora_enabled'))
+ $network[] = NETWORK_DIASPORA;
+
+ if (!get_config('system','ostatus_disabled'))
+ $network[] = NETWORK_OSTATUS;
+
+ $sql_network = implode("', '", $network);
+ $sql_network = "'".$sql_network."'";
+
+ /// @todo This query is really slow
+ // By now we cache the data for five minutes
$r = q("SELECT count(glink.gcid) as `total`, gcontact.* from gcontact
- INNER JOIN glink on glink.gcid = gcontact.id
+ INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
where uid = %d and not gcontact.nurl in ( select nurl from contact where uid = %d )
- and not gcontact.name in ( select name from contact where uid = %d )
- and not gcontact.id in ( select gcid from gcign where uid = %d )
+ AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
+ AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
AND `gcontact`.`updated` != '0000-00-00 00:00:00'
- group by glink.gcid order by gcontact.updated desc,total desc limit %d, %d ",
+ AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
+ AND `gcontact`.`network` IN (%s)
+ GROUP BY `glink`.`gcid` ORDER BY `gcontact`.`updated` DESC,`total` DESC LIMIT %d, %d",
intval($uid),
intval($uid),
intval($uid),
intval($uid),
+ $sql_network,
intval($start),
intval($limit)
);
- if(count($r) && count($r) >= ($limit -1))
+ if (dbm::is_result($r) && count($r) >= ($limit -1)) {
+// Uncommented because the result of the queries are to big to store it in the cache.
+// We need to decide if we want to change the db column type or if we want to delete it.
+// Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $r, CACHE_FIVE_MINUTES);
+
return $r;
+ }
- $r2 = q("SELECT gcontact.* from gcontact
- INNER JOIN glink on glink.gcid = gcontact.id
- where glink.uid = 0 and glink.cid = 0 and glink.zcid = 0 and not gcontact.nurl in ( select nurl from contact where uid = %d )
- and not gcontact.name in ( select name from contact where uid = %d )
- and not gcontact.id in ( select gcid from gcign where uid = %d )
+ $r2 = q("SELECT gcontact.* FROM gcontact
+ INNER JOIN `glink` ON `glink`.`gcid` = `gcontact`.`id`
+ WHERE `glink`.`uid` = 0 AND `glink`.`cid` = 0 AND `glink`.`zcid` = 0 AND NOT `gcontact`.`nurl` IN (SELECT `nurl` FROM `contact` WHERE `uid` = %d)
+ AND NOT `gcontact`.`name` IN (SELECT `name` FROM `contact` WHERE `uid` = %d)
+ AND NOT `gcontact`.`id` IN (SELECT `gcid` FROM `gcign` WHERE `uid` = %d)
AND `gcontact`.`updated` != '0000-00-00 00:00:00'
- order by rand() limit %d, %d ",
+ AND `gcontact`.`last_contact` >= `gcontact`.`last_failure`
+ AND `gcontact`.`network` IN (%s)
+ ORDER BY rand() LIMIT %d, %d",
intval($uid),
intval($uid),
intval($uid),
+ $sql_network,
intval($start),
intval($limit)
);
foreach ($r AS $suggestion)
$list[$suggestion["nurl"]] = $suggestion;
+ while (sizeof($list) > ($limit))
+ array_pop($list);
+
+// Uncommented because the result of the queries are to big to store it in the cache.
+// We need to decide if we want to change the db column type or if we want to delete it.
+// Cache::set("suggestion_query:".$uid.":".$start.":".$limit, $list, CACHE_FIVE_MINUTES);
return $list;
}
$done = array();
+ /// TODO Check if it is really neccessary to poll the own server
poco_load(0,0,0,$a->get_baseurl() . '/poco');
$done[] = $a->get_baseurl() . '/poco';
- if(strlen(get_config('system','directory_submit_url'))) {
- $x = fetch_url('http://dir.friendica.com/pubsites');
+ if(strlen(get_config('system','directory'))) {
+ $x = fetch_url(get_server()."/pubsites");
if($x) {
$j = json_decode($x);
if($j->entries) {
foreach($j->entries as $entry) {
+
+ poco_check_server($entry->url);
+
$url = $entry->url . '/poco';
if(! in_array($url,$done))
poco_load(0,0,0,$entry->url . '/poco');
}
}
- $r = q("select distinct(poco) as poco from contact where network = '%s'",
- dbesc(NETWORK_DFRN)
+ // Query your contacts from Friendica and Redmatrix/Hubzilla for their contacts
+ $r = q("SELECT DISTINCT(`poco`) AS `poco` FROM `contact` WHERE `network` IN ('%s', '%s')",
+ dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA)
);
- if(count($r)) {
+ if (dbm::is_result($r)) {
foreach($r as $rr) {
$base = substr($rr['poco'],0,strrpos($rr['poco'],'/'));
if(! in_array($base,$done))
}
}
}
+
+function poco_discover_federation() {
+ $last = get_config('poco','last_federation_discovery');
+
+ if($last) {
+ $next = $last + (24 * 60 * 60);
+ if($next > time())
+ return;
+ }
+
+ // Discover Friendica, Hubzilla and Diaspora servers
+ $serverdata = fetch_url("http://the-federation.info/pods.json");
+
+ if ($serverdata) {
+ $servers = json_decode($serverdata);
+
+ foreach($servers->pods AS $server)
+ poco_check_server("https://".$server->host);
+ }
+
+ // Discover GNU Social Servers
+ if (!get_config('system','ostatus_disabled')) {
+ $serverdata = "http://gstools.org/api/get_open_instances/";
+
+ $result = z_fetch_url($serverdata);
+ if ($result["success"]) {
+ $servers = json_decode($result["body"]);
+
+ foreach($servers->data AS $server)
+ poco_check_server($server->instance_address);
+ }
+ }
+
+ set_config('poco','last_federation_discovery', time());
+}
+
+function poco_discover($complete = false) {
+
+ // Update the server list
+ poco_discover_federation();
+
+ $no_of_queries = 5;
+
+ $requery_days = intval(get_config("system", "poco_requery_days"));
+
+ if ($requery_days == 0)
+ $requery_days = 7;
+
+ $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
+
+ $r = q("SELECT `poco`, `nurl`, `url`, `network` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `poco` != '' AND `last_poco_query` < '%s' ORDER BY RAND()", dbesc($last_update));
+ if ($r)
+ foreach ($r AS $server) {
+
+ if (!poco_check_server($server["url"], $server["network"])) {
+ // The server is not reachable? Okay, then we will try it later
+ q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
+ continue;
+ }
+
+ // Fetch all users from the other server
+ $url = $server["poco"]."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
+
+ logger("Fetch all users from the server ".$server["nurl"], LOGGER_DEBUG);
+
+ $retdata = z_fetch_url($url);
+ if ($retdata["success"]) {
+ $data = json_decode($retdata["body"]);
+
+ poco_discover_server($data, 2);
+
+ if (get_config('system','poco_discovery') > 1) {
+
+ $timeframe = get_config('system','poco_discovery_since');
+ if ($timeframe == 0)
+ $timeframe = 30;
+
+ $updatedSince = date("Y-m-d H:i:s", time() - $timeframe * 86400);
+
+ // Fetch all global contacts from the other server (Not working with Redmatrix and Friendica versions before 3.3)
+ $url = $server["poco"]."/@global?updatedSince=".$updatedSince."&fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
+
+ $success = false;
+
+ $retdata = z_fetch_url($url);
+ if ($retdata["success"]) {
+ logger("Fetch all global contacts from the server ".$server["nurl"], LOGGER_DEBUG);
+ $success = poco_discover_server(json_decode($retdata["body"]));
+ }
+
+ if (!$success AND (get_config('system','poco_discovery') > 2)) {
+ logger("Fetch contacts from users of the server ".$server["nurl"], LOGGER_DEBUG);
+ poco_discover_server_users($data, $server);
+ }
+ }
+
+ q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
+ if (!$complete AND (--$no_of_queries == 0))
+ break;
+ } else {
+ // If the server hadn't replied correctly, then force a sanity check
+ poco_check_server($server["url"], $server["network"], true);
+
+ // If we couldn't reach the server, we will try it some time later
+ q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
+ }
+ }
+}
+
+function poco_discover_server_users($data, $server) {
+
+ if (!isset($data->entry))
+ return;
+
+ foreach ($data->entry AS $entry) {
+ $username = "";
+ if (isset($entry->urls)) {
+ foreach($entry->urls as $url)
+ if($url->type == 'profile') {
+ $profile_url = $url->value;
+ $urlparts = parse_url($profile_url);
+ $username = end(explode("/", $urlparts["path"]));
+ }
+ }
+ if ($username != "") {
+ logger("Fetch contacts for the user ".$username." from the server ".$server["nurl"], LOGGER_DEBUG);
+
+ // Fetch all contacts from a given user from the other server
+ $url = $server["poco"]."/".$username."/?fields=displayName,urls,photos,updated,network,aboutMe,currentLocation,tags,gender,contactType,generation";
+
+ $retdata = z_fetch_url($url);
+ if ($retdata["success"])
+ poco_discover_server(json_decode($retdata["body"]), 3);
+ }
+ }
+}
+
+function poco_discover_server($data, $default_generation = 0) {
+
+ if (!isset($data->entry) OR !count($data->entry))
+ return false;
+
+ $success = false;
+
+ foreach ($data->entry AS $entry) {
+ $profile_url = '';
+ $profile_photo = '';
+ $connect_url = '';
+ $name = '';
+ $network = '';
+ $updated = '0000-00-00 00:00:00';
+ $location = '';
+ $about = '';
+ $keywords = '';
+ $gender = '';
+ $contact_type = -1;
+ $generation = $default_generation;
+
+ $name = $entry->displayName;
+
+ if(isset($entry->urls)) {
+ foreach($entry->urls as $url) {
+ if($url->type == 'profile') {
+ $profile_url = $url->value;
+ continue;
+ }
+ if($url->type == 'webfinger') {
+ $connect_url = str_replace('acct:' , '', $url->value);
+ continue;
+ }
+ }
+ }
+
+ if(isset($entry->photos)) {
+ foreach($entry->photos as $photo) {
+ if($photo->type == 'profile') {
+ $profile_photo = $photo->value;
+ continue;
+ }
+ }
+ }
+
+ if(isset($entry->updated))
+ $updated = date("Y-m-d H:i:s", strtotime($entry->updated));
+
+ if(isset($entry->network))
+ $network = $entry->network;
+
+ if(isset($entry->currentLocation))
+ $location = $entry->currentLocation;
+
+ if(isset($entry->aboutMe))
+ $about = html2bbcode($entry->aboutMe);
+
+ if(isset($entry->gender))
+ $gender = $entry->gender;
+
+ if(isset($entry->generation) AND ($entry->generation > 0))
+ $generation = ++$entry->generation;
+
+ if(isset($entry->contactType) AND ($entry->contactType >= 0))
+ $contact_type = $entry->contactType;
+
+ if(isset($entry->tags))
+ foreach($entry->tags as $tag)
+ $keywords = implode(", ", $tag);
+
+ if ($generation > 0) {
+ $success = true;
+
+ logger("Store profile ".$profile_url, LOGGER_DEBUG);
+ poco_check($profile_url, $name, $network, $profile_photo, $about, $location, $gender, $keywords, $connect_url, $updated, $generation, 0, 0, 0);
+
+ $gcontact = array("url" => $profile_url, "contact-type" => $contact_type, "generation" => $generation);
+ update_gcontact($gcontact);
+
+ logger("Done for profile ".$profile_url, LOGGER_DEBUG);
+ }
+ }
+ return $success;
+}
+
+/**
+ * @brief Removes unwanted parts from a contact url
+ *
+ * @param string $url Contact url
+ * @return string Contact url with the wanted parts
+ */
+function clean_contact_url($url) {
+ $parts = parse_url($url);
+
+ if (!isset($parts["scheme"]) OR !isset($parts["host"]))
+ return $url;
+
+ $new_url = $parts["scheme"]."://".$parts["host"];
+
+ if (isset($parts["port"]))
+ $new_url .= ":".$parts["port"];
+
+ if (isset($parts["path"]))
+ $new_url .= $parts["path"];
+
+ if ($new_url != $url)
+ logger("Cleaned contact url ".$url." to ".$new_url." - Called by: ".App::callstack(), LOGGER_DEBUG);
+
+ return $new_url;
+}
+
+/**
+ * @brief Replace alternate OStatus user format with the primary one
+ *
+ * @param arr $contact contact array (called by reference)
+ */
+function fix_alternate_contact_address(&$contact) {
+ if (($contact["network"] == NETWORK_OSTATUS) AND poco_alternate_ostatus_url($contact["url"])) {
+ $data = probe_url($contact["url"]);
+ if ($contact["network"] == NETWORK_OSTATUS) {
+ logger("Fix primary url from ".$contact["url"]." to ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
+ $contact["url"] = $data["url"];
+ $contact["addr"] = $data["addr"];
+ $contact["alias"] = $data["alias"];
+ $contact["server_url"] = $data["baseurl"];
+ }
+ }
+}
+
+/**
+ * @brief Fetch the gcontact id, add an entry if not existed
+ *
+ * @param arr $contact contact array
+ * @return bool|int Returns false if not found, integer if contact was found
+ */
+function get_gcontact_id($contact) {
+
+ $gcontact_id = 0;
+ $doprobing = false;
+
+ if (in_array($contact["network"], array(NETWORK_PHANTOM))) {
+ logger("Invalid network for contact url ".$contact["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
+ return false;
+ }
+
+ if ($contact["network"] == NETWORK_STATUSNET)
+ $contact["network"] = NETWORK_OSTATUS;
+
+ // All new contacts are hidden by default
+ if (!isset($contact["hide"]))
+ $contact["hide"] = true;
+
+ // Replace alternate OStatus user format with the primary one
+ fix_alternate_contact_address($contact);
+
+ // Remove unwanted parts from the contact url (e.g. "?zrl=...")
+ if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
+ $contact["url"] = clean_contact_url($contact["url"]);
+
+ $r = q("SELECT `id`, `last_contact`, `last_failure`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2",
+ dbesc(normalise_link($contact["url"])));
+
+ if ($r) {
+ $gcontact_id = $r[0]["id"];
+
+ // Update every 90 days
+ if (in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""))) {
+ $last_failure_str = $r[0]["last_failure"];
+ $last_failure = strtotime($r[0]["last_failure"]);
+ $last_contact_str = $r[0]["last_contact"];
+ $last_contact = strtotime($r[0]["last_contact"]);
+ $doprobing = (((time() - $last_contact) > (90 * 86400)) AND ((time() - $last_failure) > (90 * 86400)));
+ }
+ } else {
+ q("INSERT INTO `gcontact` (`name`, `nick`, `addr` , `network`, `url`, `nurl`, `photo`, `created`, `updated`, `location`, `about`, `hide`, `generation`)
+ VALUES ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d)",
+ dbesc($contact["name"]),
+ dbesc($contact["nick"]),
+ dbesc($contact["addr"]),
+ dbesc($contact["network"]),
+ dbesc($contact["url"]),
+ dbesc(normalise_link($contact["url"])),
+ dbesc($contact["photo"]),
+ dbesc(datetime_convert()),
+ dbesc(datetime_convert()),
+ dbesc($contact["location"]),
+ dbesc($contact["about"]),
+ intval($contact["hide"]),
+ intval($contact["generation"])
+ );
+
+ $r = q("SELECT `id`, `network` FROM `gcontact` WHERE `nurl` = '%s' ORDER BY `id` LIMIT 2",
+ dbesc(normalise_link($contact["url"])));
+
+ if ($r) {
+ $gcontact_id = $r[0]["id"];
+
+ $doprobing = in_array($r[0]["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""));
+ }
+ }
+
+ if ($doprobing) {
+ logger("Last Contact: ". $last_contact_str." - Last Failure: ".$last_failure_str." - Checking: ".$contact["url"], LOGGER_DEBUG);
+ proc_run(PRIORITY_LOW, 'include/gprobe.php', bin2hex($contact["url"]));
+ }
+
+ if ((count($r) > 1) AND ($gcontact_id > 0) AND ($contact["url"] != ""))
+ q("DELETE FROM `gcontact` WHERE `nurl` = '%s' AND `id` != %d",
+ dbesc(normalise_link($contact["url"])),
+ intval($gcontact_id));
+
+ return $gcontact_id;
+}
+
+/**
+ * @brief Updates the gcontact table from a given array
+ *
+ * @param arr $contact contact array
+ * @return bool|int Returns false if not found, integer if contact was found
+ */
+function update_gcontact($contact) {
+
+ /// @todo update contact table as well
+
+ $gcontact_id = get_gcontact_id($contact);
+
+ if (!$gcontact_id)
+ return false;
+
+ $r = q("SELECT `name`, `nick`, `photo`, `location`, `about`, `addr`, `generation`, `birthday`, `gender`, `keywords`,
+ `contact-type`, `hide`, `nsfw`, `network`, `alias`, `notify`, `server_url`, `connect`, `updated`, `url`
+ FROM `gcontact` WHERE `id` = %d LIMIT 1",
+ intval($gcontact_id));
+
+ // Get all field names
+ $fields = array();
+ foreach ($r[0] AS $field => $data)
+ $fields[$field] = $data;
+
+ unset($fields["url"]);
+ unset($fields["updated"]);
+ unset($fields["hide"]);
+
+ // Bugfix: We had an error in the storing of keywords which lead to the "0"
+ // This value is still transmitted via poco.
+ if ($contact["keywords"] == "0")
+ unset($contact["keywords"]);
+
+ if ($r[0]["keywords"] == "0")
+ $r[0]["keywords"] = "";
+
+ // assign all unassigned fields from the database entry
+ foreach ($fields AS $field => $data)
+ if (!isset($contact[$field]) OR ($contact[$field] == ""))
+ $contact[$field] = $r[0][$field];
+
+ if (!isset($contact["hide"]))
+ $contact["hide"] = $r[0]["hide"];
+
+ $fields["hide"] = $r[0]["hide"];
+
+ if ($contact["network"] == NETWORK_STATUSNET)
+ $contact["network"] = NETWORK_OSTATUS;
+
+ // Replace alternate OStatus user format with the primary one
+ fix_alternate_contact_address($contact);
+
+ if (!isset($contact["updated"]))
+ $contact["updated"] = datetime_convert();
+
+ if ($contact["server_url"] == "") {
+ $server_url = $contact["url"];
+
+ $server_url = matching_url($server_url, $contact["alias"]);
+ if ($server_url != "")
+ $contact["server_url"] = $server_url;
+
+ $server_url = matching_url($server_url, $contact["photo"]);
+ if ($server_url != "")
+ $contact["server_url"] = $server_url;
+
+ $server_url = matching_url($server_url, $contact["notify"]);
+ if ($server_url != "")
+ $contact["server_url"] = $server_url;
+ } else
+ $contact["server_url"] = normalise_link($contact["server_url"]);
+
+ if (($contact["addr"] == "") AND ($contact["server_url"] != "") AND ($contact["nick"] != "")) {
+ $hostname = str_replace("http://", "", $contact["server_url"]);
+ $contact["addr"] = $contact["nick"]."@".$hostname;
+ }
+
+ // Check if any field changed
+ $update = false;
+ unset($fields["generation"]);
+
+ if ((($contact["generation"] > 0) AND ($contact["generation"] <= $r[0]["generation"])) OR ($r[0]["generation"] == 0)) {
+ foreach ($fields AS $field => $data)
+ if ($contact[$field] != $r[0][$field]) {
+ logger("Difference for contact ".$contact["url"]." in field '".$field."'. New value: '".$contact[$field]."', old value '".$r[0][$field]."'", LOGGER_DEBUG);
+ $update = true;
+ }
+
+ if ($contact["generation"] < $r[0]["generation"]) {
+ logger("Difference for contact ".$contact["url"]." in field 'generation'. new value: '".$contact["generation"]."', old value '".$r[0]["generation"]."'", LOGGER_DEBUG);
+ $update = true;
+ }
+ }
+
+ if ($update) {
+ logger("Update gcontact for ".$contact["url"], LOGGER_DEBUG);
+
+ q("UPDATE `gcontact` SET `photo` = '%s', `name` = '%s', `nick` = '%s', `addr` = '%s', `network` = '%s',
+ `birthday` = '%s', `gender` = '%s', `keywords` = '%s', `hide` = %d, `nsfw` = %d,
+ `contact-type` = %d, `alias` = '%s', `notify` = '%s', `url` = '%s',
+ `location` = '%s', `about` = '%s', `generation` = %d, `updated` = '%s',
+ `server_url` = '%s', `connect` = '%s'
+ WHERE `nurl` = '%s' AND (`generation` = 0 OR `generation` >= %d)",
+ dbesc($contact["photo"]), dbesc($contact["name"]), dbesc($contact["nick"]),
+ dbesc($contact["addr"]), dbesc($contact["network"]), dbesc($contact["birthday"]),
+ dbesc($contact["gender"]), dbesc($contact["keywords"]), intval($contact["hide"]),
+ intval($contact["nsfw"]), intval($contact["contact-type"]), dbesc($contact["alias"]),
+ dbesc($contact["notify"]), dbesc($contact["url"]), dbesc($contact["location"]),
+ dbesc($contact["about"]), intval($contact["generation"]), dbesc($contact["updated"]),
+ dbesc($contact["server_url"]), dbesc($contact["connect"]),
+ dbesc(normalise_link($contact["url"])), intval($contact["generation"]));
+
+
+ // Now update the contact entry with the user id "0" as well.
+ // This is used for the shadow copies of public items.
+ $r = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0 ORDER BY `id` LIMIT 1",
+ dbesc(normalise_link($contact["url"])));
+
+ if ($r) {
+ logger("Update shadow contact ".$r[0]["id"], LOGGER_DEBUG);
+
+ update_contact_avatar($contact["photo"], 0, $r[0]["id"]);
+
+ q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `addr` = '%s',
+ `network` = '%s', `bd` = '%s', `gender` = '%s',
+ `keywords` = '%s', `alias` = '%s', `contact-type` = %d,
+ `url` = '%s', `location` = '%s', `about` = '%s'
+ WHERE `id` = %d",
+ dbesc($contact["name"]), dbesc($contact["nick"]), dbesc($contact["addr"]),
+ dbesc($contact["network"]), dbesc($contact["birthday"]), dbesc($contact["gender"]),
+ dbesc($contact["keywords"]), dbesc($contact["alias"]), intval($contact["contact-type"]),
+ dbesc($contact["url"]), dbesc($contact["location"]), dbesc($contact["about"]),
+ intval($r[0]["id"]));
+ }
+ }
+
+ return $gcontact_id;
+}
+
+/**
+ * @brief Updates the gcontact entry from probe
+ *
+ * @param str $url profile link
+ */
+function update_gcontact_from_probe($url) {
+ $data = probe_url($url);
+
+ if (in_array($data["network"], array(NETWORK_PHANTOM))) {
+ logger("Invalid network for contact url ".$data["url"]." - Called by: ".App::callstack(), LOGGER_DEBUG);
+ return;
+ }
+
+ update_gcontact($data);
+}
+
+/**
+ * @brief Update the gcontact entry for a given user id
+ *
+ * @param int $uid User ID
+ */
+function update_gcontact_for_user($uid) {
+ $r = q("SELECT `profile`.`locality`, `profile`.`region`, `profile`.`country-name`,
+ `profile`.`name`, `profile`.`about`, `profile`.`gender`,
+ `profile`.`pub_keywords`, `profile`.`dob`, `profile`.`photo`,
+ `profile`.`net-publish`, `user`.`nickname`, `user`.`hidewall`,
+ `contact`.`notify`, `contact`.`url`, `contact`.`addr`
+ FROM `profile`
+ INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
+ INNER JOIN `contact` ON `contact`.`uid` = `profile`.`uid`
+ WHERE `profile`.`uid` = %d AND `profile`.`is-default` AND `contact`.`self`",
+ intval($uid));
+
+ $location = formatted_location(array("locality" => $r[0]["locality"], "region" => $r[0]["region"],
+ "country-name" => $r[0]["country-name"]));
+
+ // The "addr" field was added in 3.4.3 so it can be empty for older users
+ if ($r[0]["addr"] != "")
+ $addr = $r[0]["nickname"].'@'.str_replace(array("http://", "https://"), "", App::get_baseurl());
+ else
+ $addr = $r[0]["addr"];
+
+ $gcontact = array("name" => $r[0]["name"], "location" => $location, "about" => $r[0]["about"],
+ "gender" => $r[0]["gender"], "keywords" => $r[0]["pub_keywords"],
+ "birthday" => $r[0]["dob"], "photo" => $r[0]["photo"],
+ "notify" => $r[0]["notify"], "url" => $r[0]["url"],
+ "hide" => ($r[0]["hidewall"] OR !$r[0]["net-publish"]),
+ "nick" => $r[0]["nickname"], "addr" => $addr,
+ "connect" => $addr, "server_url" => App::get_baseurl(),
+ "generation" => 1, "network" => NETWORK_DFRN);
+
+ update_gcontact($gcontact);
+}
+
+/**
+ * @brief Fetches users of given GNU Social server
+ *
+ * If the "Statistics" plugin is enabled (See http://gstools.org/ for details) we query user data with this.
+ *
+ * @param str $server Server address
+ */
+function gs_fetch_users($server) {
+
+ logger("Fetching users from GNU Social server ".$server, LOGGER_DEBUG);
+
+ $a = get_app();
+
+ $url = $server."/main/statistics";
+
+ $result = z_fetch_url($url);
+ if (!$result["success"])
+ return false;
+
+ $statistics = json_decode($result["body"]);
+
+ if (is_object($statistics->config)) {
+ if ($statistics->config->instance_with_ssl)
+ $server = "https://";
+ else
+ $server = "http://";
+
+ $server .= $statistics->config->instance_address;
+
+ $hostname = $statistics->config->instance_address;
+ } else {
+ if ($statistics->instance_with_ssl)
+ $server = "https://";
+ else
+ $server = "http://";
+
+ $server .= $statistics->instance_address;
+
+ $hostname = $statistics->instance_address;
+ }
+
+ if (is_object($statistics->users))
+ foreach ($statistics->users AS $nick => $user) {
+ $profile_url = $server."/".$user->nickname;
+
+ $contact = array("url" => $profile_url,
+ "name" => $user->fullname,
+ "addr" => $user->nickname."@".$hostname,
+ "nick" => $user->nickname,
+ "about" => $user->bio,
+ "network" => NETWORK_OSTATUS,
+ "photo" => $a->get_baseurl()."/images/person-175.jpg");
+ get_gcontact_id($contact);
+ }
+}
+
+/**
+ * @brief Asking GNU Social server on a regular base for their user data
+ *
+ */
+function gs_discover() {
+
+ $requery_days = intval(get_config("system", "poco_requery_days"));
+
+ $last_update = date("c", time() - (60 * 60 * 24 * $requery_days));
+
+ $r = q("SELECT `nurl`, `url` FROM `gserver` WHERE `last_contact` >= `last_failure` AND `network` = '%s' AND `last_poco_query` < '%s' ORDER BY RAND() LIMIT 5",
+ dbesc(NETWORK_OSTATUS), dbesc($last_update));
+
+ if (!$r)
+ return;
+
+ foreach ($r AS $server) {
+ gs_fetch_users($server["url"]);
+ q("UPDATE `gserver` SET `last_poco_query` = '%s' WHERE `nurl` = '%s'", dbesc(datetime_convert()), dbesc($server["nurl"]));
+ }
+}
+?>