251 lines
7.3 KiB
PHP
251 lines
7.3 KiB
PHP
<?php
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use \Friendica\Core\Config;
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require_once('include/socgraph.php');
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require_once('include/datetime.php');
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function discover_poco_run(&$argv, &$argc) {
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/*
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This function can be called in these ways:
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- dirsearch <search pattern>: Searches for "search pattern" in the directory. "search pattern" is url encoded.
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- checkcontact: Updates gcontact entries
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- suggestions: Discover other servers for their contacts.
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- server <poco url>: Searches for the poco server list. "poco url" is base64 encoded.
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- update_server: Frequently check the first 250 servers for vitality.
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- update_server_directory: Discover the given server id for their contacts
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*/
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if (($argc > 2) && ($argv[1] == "dirsearch")) {
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$search = urldecode($argv[2]);
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$mode = 1;
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} elseif (($argc == 2) && ($argv[1] == "checkcontact")) {
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$mode = 2;
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} elseif (($argc == 2) && ($argv[1] == "suggestions")) {
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$mode = 3;
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} elseif (($argc == 3) && ($argv[1] == "server")) {
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$mode = 4;
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} elseif (($argc == 2) && ($argv[1] == "update_server")) {
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$mode = 5;
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} elseif (($argc == 3) && ($argv[1] == "update_server_directory")) {
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$mode = 6;
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} elseif ($argc == 1) {
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$search = "";
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$mode = 0;
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} else {
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die("Unknown or missing parameter ".$argv[1]."\n");
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}
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logger('start '.$search);
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if ($mode == 6) {
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poco_discover_single_server(intval($argv[2]));
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} elseif ($mode == 5) {
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update_server();
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} elseif ($mode == 4) {
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$server_url = base64_decode($argv[2]);
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if ($server_url == "") {
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return;
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}
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$server_url = filter_var($server_url, FILTER_SANITIZE_URL);
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if (substr(normalise_link($server_url), 0, 7) != "http://") {
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return;
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}
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$result = "Checking server ".$server_url." - ";
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$ret = poco_check_server($server_url);
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if ($ret) {
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$result .= "success";
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} else {
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$result .= "failed";
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}
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logger($result, LOGGER_DEBUG);
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} elseif ($mode == 3) {
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update_suggestions();
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} elseif (($mode == 2) AND get_config('system','poco_completion')) {
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discover_users();
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} elseif (($mode == 1) AND ($search != "") and get_config('system','poco_local_search')) {
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discover_directory($search);
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gs_search_user($search);
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} elseif (($mode == 0) AND ($search == "") and (get_config('system','poco_discovery') > 0)) {
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// Query Friendica and Hubzilla servers for their users
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poco_discover();
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// Query GNU Social servers for their users ("statistics" addon has to be enabled on the GS server)
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if (!get_config('system','ostatus_disabled'))
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gs_discover();
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}
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logger('end '.$search);
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return;
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}
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/**
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* @brief Updates the first 250 servers
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*
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*/
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function update_server() {
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$r = q("SELECT `url`, `created`, `last_failure`, `last_contact` FROM `gserver` ORDER BY rand()");
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if (!dbm::is_result($r)) {
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return;
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}
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$updated = 0;
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foreach ($r AS $server) {
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if (!poco_do_update($server["created"], "", $server["last_failure"], $server["last_contact"])) {
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continue;
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}
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logger('Update server status for server '.$server["url"], LOGGER_DEBUG);
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proc_run(PRIORITY_LOW, "include/discover_poco.php", "server", base64_encode($server["url"]));
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if (++$updated > 250) {
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return;
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}
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}
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}
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function discover_users() {
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logger("Discover users", LOGGER_DEBUG);
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$users = q("SELECT `url`, `created`, `updated`, `last_failure`, `last_contact`, `server_url` FROM `gcontact`
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WHERE `last_contact` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
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`last_failure` < UTC_TIMESTAMP - INTERVAL 1 MONTH AND
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`network` IN ('%s', '%s', '%s', '%s', '') ORDER BY rand()",
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dbesc(NETWORK_DFRN), dbesc(NETWORK_DIASPORA),
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dbesc(NETWORK_OSTATUS), dbesc(NETWORK_FEED));
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if (!$users) {
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return;
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}
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$checked = 0;
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foreach ($users AS $user) {
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$urlparts = parse_url($user["url"]);
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if (!isset($urlparts["scheme"])) {
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q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
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dbesc(NETWORK_PHANTOM), dbesc(normalise_link($user["url"])));
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continue;
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}
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if (in_array($urlparts["host"], array("www.facebook.com", "facebook.com", "twitter.com",
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"identi.ca", "alpha.app.net"))) {
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$networks = array("www.facebook.com" => NETWORK_FACEBOOK,
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"facebook.com" => NETWORK_FACEBOOK,
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"twitter.com" => NETWORK_TWITTER,
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"identi.ca" => NETWORK_PUMPIO,
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"alpha.app.net" => NETWORK_APPNET);
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q("UPDATE `gcontact` SET `network` = '%s' WHERE `nurl` = '%s'",
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dbesc($networks[$urlparts["host"]]), dbesc(normalise_link($user["url"])));
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continue;
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}
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if ($user["server_url"] != "") {
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$server_url = $user["server_url"];
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} else {
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$server_url = poco_detect_server($user["url"]);
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}
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if (($server_url == "") OR poco_check_server($server_url, $gcontacts[0]["network"])) {
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logger('Check user '.$user["url"]);
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poco_last_updated($user["url"], true);
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if (++$checked > 100) {
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return;
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}
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} else {
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q("UPDATE `gcontact` SET `last_failure` = '%s' WHERE `nurl` = '%s'",
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dbesc(datetime_convert()), dbesc(normalise_link($user["url"])));
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}
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}
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}
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function discover_directory($search) {
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$data = Cache::get("dirsearch:".$search);
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if (!is_null($data)) {
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// Only search for the same item every 24 hours
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if (time() < $data + (60 * 60 * 24)) {
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logger("Already searched for ".$search." in the last 24 hours", LOGGER_DEBUG);
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return;
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}
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}
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$x = fetch_url(get_server()."/lsearch?p=1&n=500&search=".urlencode($search));
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$j = json_decode($x);
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if (count($j->results)) {
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foreach($j->results as $jj) {
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// Check if the contact already exists
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$exists = q("SELECT `id`, `last_contact`, `last_failure`, `updated` FROM `gcontact` WHERE `nurl` = '%s'", normalise_link($jj->url));
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if ($exists) {
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logger("Profile ".$jj->url." already exists (".$search.")", LOGGER_DEBUG);
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if (($exists[0]["last_contact"] < $exists[0]["last_failure"]) AND
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($exists[0]["updated"] < $exists[0]["last_failure"])) {
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continue;
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}
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// Update the contact
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poco_last_updated($jj->url);
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continue;
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}
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$server_url = poco_detect_server($jj->url);
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if ($server_url != '') {
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if (!poco_check_server($server_url)) {
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logger("Friendica server ".$server_url." doesn't answer.", LOGGER_DEBUG);
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continue;
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}
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logger("Friendica server ".$server_url." seems to be okay.", LOGGER_DEBUG);
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}
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$data = probe_url($jj->url);
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if ($data["network"] == NETWORK_DFRN) {
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logger("Profile ".$jj->url." is reachable (".$search.")", LOGGER_DEBUG);
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logger("Add profile ".$jj->url." to local directory (".$search.")", LOGGER_DEBUG);
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poco_check($data["url"], $data["name"], $data["network"], $data["photo"], "", "", "", $jj->tags, $data["addr"], "", 0);
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} else {
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logger("Profile ".$jj->url." is not responding or no Friendica contact - but network ".$data["network"], LOGGER_DEBUG);
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}
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}
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}
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Cache::set("dirsearch:".$search, time(), CACHE_DAY);
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}
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/**
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* @brief Search for GNU Social user with gstools.org
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*
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* @param str $search User name
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*/
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function gs_search_user($search) {
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// Currently disabled, since the service isn't available anymore.
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// It is not removed since I hope that there will be a successor.
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return false;
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$a = get_app();
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$url = "http://gstools.org/api/users_search/".urlencode($search);
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$result = z_fetch_url($url);
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if (!$result["success"]) {
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return false;
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}
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$contacts = json_decode($result["body"]);
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if ($contacts->status == 'ERROR') {
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return false;
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}
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foreach($contacts->data AS $user) {
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$contact = probe_url($user->site_address."/".$user->name);
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if ($contact["network"] != NETWORK_PHANTOM) {
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$contact["about"] = $user->description;
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update_gcontact($contact);
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}
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}
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}
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