mirror of
https://github.com/unraid/webgui.git
synced 2026-01-12 20:49:56 -06:00
389 lines
16 KiB
PHP
389 lines
16 KiB
PHP
<?PHP
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/* Copyright 2005-2022, Lime Technology
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* Copyright 2012-2022, Bergware International.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2,
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* as published by the Free Software Foundation.
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*/
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?>
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<?
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$docroot = $docroot ?? $_SERVER['DOCUMENT_ROOT'] ?: '/usr/local/emhttp';
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// add translations
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$_SERVER['REQUEST_URI'] = 'settings';
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require_once "$docroot/webGui/include/Translations.php";
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require_once "$docroot/webGui/include/Helpers.php";
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// add 'ipaddr' function for 6.9 backwards compatibility
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if (!function_exists('ipaddr')) {
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function ipaddr($ethX='eth0', $prot=4) {
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global $$ethX;
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switch ($$ethX['PROTOCOL:0']) {
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case 'ipv4':
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return $$ethX['IPADDR:0'];
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case 'ipv6':
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return $$ethX['IPADDR6:0'];
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case 'ipv4+ipv6':
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switch ($prot) {
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case 4: return $$ethX['IPADDR:0'];
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case 6: return $$ethX['IPADDR6:0'];
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default:return [$$ethX['IPADDR:0'],$$ethX['IPADDR6:0']];}
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default:
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return $$ethX['IPADDR:0'];
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}
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}
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}
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function host_lookup_ip($host) {
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$result = @dns_get_record($host, DNS_A);
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$ip = ($result) ? $result[0]['ip'] : '';
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return($ip);
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}
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function rebindDisabled() {
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global $isLegacyCert;
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$rebindtesturl = $isLegacyCert ? "rebindtest.unraid.net" : "rebindtest.myunraid.net";
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// DNS Rebind Protection - this checks the server but clients could still have issues
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$validResponse = array("192.168.42.42", "fd42");
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$response = host_lookup_ip($rebindtesturl);
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return in_array(explode('::',$response)[0], $validResponse);
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}
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function format_port($port) {
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return ($port != 80 && $port != 443) ? ':'.$port : '';
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}
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function anonymize_host($host) {
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global $anon;
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if ($anon) {
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$host = preg_replace('/.*\.myunraid\.net/', '*.hash.myunraid.net', $host);
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$host = preg_replace('/.*\.unraid\.net/', 'hash.unraid.net', $host);
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}
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return $host;
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}
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function anonymize_ip($ip) {
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global $anon;
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if ($anon && filter_var($ip, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE)) {
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$ip = "[redacted]";
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}
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return $ip;
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}
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function generate_internal_host($host, $ip) {
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if (strpos($host,'.myunraid.net') !== false) {
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$host = str_replace('*', str_replace('.', '-', $ip), $host);
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}
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return $host;
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}
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function generate_external_host($host, $ip) {
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if (strpos($host,'.myunraid.net') !== false) {
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$host = str_replace('*', str_replace('.', '-', $ip), $host);
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} elseif (strpos($host,'.unraid.net') !== false) {
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$host = "www.".$host;
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}
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return $host;
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}
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function verbose_output($httpcode, $result) {
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global $cli, $verbose, $anon, $plgversion, $post, $var, $isRegistered, $remote, $reloadNginx, $nginx, $isLegacyCert;
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global $remoteaccess;
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global $icon_warn, $icon_ok;
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if (!$cli || !$verbose) return;
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if ($anon) echo "(Output is anonymized, use '-vv' to see full details)".PHP_EOL;
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echo "Unraid OS {$var['version']}".((strpos($plgversion, "base-") === false) ? " with My Servers plugin version {$plgversion}" : '').PHP_EOL;
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echo ($isRegistered) ? "{$icon_ok}Signed in to Unraid.net as {$remote['username']}".PHP_EOL : "{$icon_warn}Not signed in to Unraid.net".PHP_EOL ;
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echo "Use SSL is {$nginx['NGINX_USESSL']}".PHP_EOL;
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echo (rebindDisabled()) ? "{$icon_ok}Rebind protection is disabled" : "{$icon_warn}Rebind protection is enabled";
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echo " for ".($isLegacyCert ? "unraid.net" : "myunraid.net").PHP_EOL;
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if ($post) {
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$wanip = trim(@file_get_contents("https://wanip4.unraid.net/"));
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// check the data
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$certhostname = $nginx['NGINX_CERTNAME'];
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if ($certhostname) {
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// $certhostname is $nginx['NGINX_CERTNAME'] (certificate_bundle.pem)
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$certhostip = host_lookup_ip(generate_internal_host($certhostname, $post['internalip']));
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$certhosterr = ($certhostip != $post['internalip']);
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}
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if ($post['internalhostname'] != $certhostname) {
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// $post['internalhostname'] is $nginx['NGINX_LANMDNS'] (no cert, or Server_unraid_bundle.pem) || $nginx['NGINX_CERTNAME'] (certificate_bundle.pem)
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$internalhostip = host_lookup_ip(generate_internal_host($post['internalhostname'], $post['internalip']));
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$internalhosterr = ($internalhostip != $post['internalip']);
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}
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if ($post['externalhostname']) {
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// $post['externalhostname'] is $nginx['NGINX_CERTNAME'] (certificate_bundle.pem)
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$externalhostip = host_lookup_ip(generate_external_host($post['externalhostname'], $wanip));
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$externalhosterr = ($externalhostip != $wanip);
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}
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// anonymize data. no caclulations can be done with this data beyond this point.
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if ($anon) {
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if ($certhostip) $certhostip = anonymize_ip($certhostip);
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if ($certhostname) $certhostname = anonymize_host($certhostname);
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if ($internalhostip) $internalhostip = anonymize_ip($internalhostip);
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if ($externalhostip) $externalhostip = anonymize_ip($externalhostip);
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if ($wanip) $wanip = anonymize_ip($wanip);
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if ($post['internalip']) $post['internalip'] = anonymize_ip($post['internalip']);
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if ($post['internalhostname']) $post['internalhostname'] = anonymize_host($post['internalhostname']);
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if ($post['externalhostname']) $post['externalhostname'] = anonymize_host($post['externalhostname']);
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if ($post['externalport']) $post['externalport'] = "[redacted]";
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}
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// always anonymize the keyfile
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if ($post['keyfile']) $post['keyfile'] = "[redacted]";
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// output notes
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if ($post['internalprotocol'] && $post['internalhostname'] && $post['internalport']) {
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$localurl = $post['internalprotocol']."://".generate_internal_host($post['internalhostname'], $post['internalip']).format_port($post['internalport']);
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echo 'Local Access url: '.$localurl.PHP_EOL;
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if ($internalhostip) {
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// $internalhostip will not be defined for .local domains, ok to skip
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echo ($internalhosterr) ? $icon_warn : $icon_ok;
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echo generate_internal_host($post['internalhostname'], $post['internalip'])." resolves to {$internalhostip}";
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echo ($internalhosterr) ? ", it should resolve to {$post['internalip']}" : "";
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echo PHP_EOL;
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}
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if ($certhostname) {
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echo ($certhosterr) ? $icon_warn : $icon_ok;
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echo generate_internal_host($certhostname, $post['internalip']).' ';
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echo ($certhostip) ? "resolves to {$certhostip}" : "does not resolve to an IP address";
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echo ($certhosterr) ? ", it should resolve to {$post['internalip']}" : "";
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echo PHP_EOL;
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}
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if ($remoteaccess == 'yes' && $post['externalprotocol'] && $post['externalhostname'] && $post['externalport']) {
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$remoteurl = $post['externalprotocol']."://".generate_external_host($post['externalhostname'], $wanip).format_port($post['externalport']);
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echo 'Remote Access url: '.$remoteurl.PHP_EOL;
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echo ($externalhosterr) ? $icon_warn : $icon_ok;
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echo generate_external_host($post['externalhostname'], $wanip).' ';
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echo ($externalhosterr) ? "does not resolve to an IP address" : "resolves to {$externalhostip}";
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echo PHP_EOL;
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}
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if ($reloadNginx) {
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echo "IP address changes were detected, nginx was reloaded".PHP_EOL;
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}
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}
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// output post data
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echo PHP_EOL.'Request:'.PHP_EOL;
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echo @json_encode($post, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT) . PHP_EOL;
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}
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if ($result) {
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echo "Response (HTTP $httpcode):".PHP_EOL;
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echo @json_encode(@json_decode($result, true), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT) . PHP_EOL;
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}
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}
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/**
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* @name response_complete
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* @param {HTTP Response Status Code} $httpcode https://developer.mozilla.org/en-US/docs/Web/HTTP/Status
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* @param {String|Array} $result - strings are assumed to be encoded JSON. Arrays will be encoded to JSON.
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* @param {String} $cli_success_msg
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*/
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function response_complete($httpcode, $result, $cli_success_msg='') {
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global $cli, $verbose;
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$mutatedResult = is_array($result) ? json_encode($result) : $result;
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if ($cli) {
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if ($verbose) verbose_output($httpcode, $result);
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$json = @json_decode($mutatedResult,true);
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if (!empty($json['error'])) {
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echo 'Error: '.$json['error'].PHP_EOL;
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exit(1);
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}
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exit($cli_success_msg.PHP_EOL);
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}
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header('Content-Type: application/json');
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http_response_code($httpcode);
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exit((string)$mutatedResult);
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}
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$cli = php_sapi_name()=='cli';
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$verbose = $anon = false;
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if ($cli && $argv[1] == "-v") {
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$verbose = true;
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$anon = true;
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}
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if ($cli && $argv[1] == "-vv") {
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$verbose = true;
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}
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$var = parse_ini_file('/var/local/emhttp/var.ini');
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extract(parse_ini_file('/var/local/emhttp/network.ini',true));
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$nginx = parse_ini_file('/var/local/emhttp/nginx.ini');
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$is69 = version_compare($var['version'],"6.9.9","<");
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$reloadNginx = false;
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$dnserr = false;
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$icon_warn = "⚠️ ";
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$icon_ok = "✅ ";
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// parse myservers.cfg
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if (file_exists('/boot/config/plugins/dynamix.my.servers/myservers.cfg')) {
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@extract(parse_ini_file('/boot/config/plugins/dynamix.my.servers/myservers.cfg',true));
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}
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if (empty($remote)) {
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$remote = [
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"apikey" => "",
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"wanaccess" => "no",
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"wanport" => "443"
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];
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}
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if (empty($remote['wanport'])) {
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$remote['wanport'] = 443;
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}
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// remoteaccess, externalport
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if ($cli) {
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$remoteaccess = (empty($nginx['NGINX_WANFQDN'])) ? 'no' : 'yes';
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$externalport = $remote['wanport'];
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} else {
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$remoteaccess = $_POST['remoteaccess'];
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$externalport = intval($_POST['externalport']);
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if ($remoteaccess != 'yes') {
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$remoteaccess = 'no';
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}
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if ($externalport < 1 || $externalport > 65535) {
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$externalport = 443;
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}
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if ($remote['wanaccess'] != $remoteaccess) {
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// update the wanaccess ini value
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$orig = @parse_ini_file('/boot/config/plugins/dynamix.my.servers/myservers.cfg',true);
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if ($orig === false) {
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$orig = ['remote' => $remote];
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}
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$orig['remote']['wanaccess'] = $remoteaccess;
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$text = '';
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foreach ($orig as $section => $block) {
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$pairs = "";
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foreach ($block as $key => $value) if (strlen($value)) $pairs .= "$key=\"$value\"\n";
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if ($pairs) $text .= "[$section]\n".$pairs;
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}
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if ($text) file_put_contents('/boot/config/plugins/dynamix.my.servers/myservers.cfg', $text);
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// need nginx reload
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$reloadNginx = true;
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}
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}
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$isRegistered = !empty($remote) && !empty($remote['username']);
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// protocols, hostnames, ports
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$internalprotocol = 'http';
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$internalport = $nginx['NGINX_PORT'];
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$internalhostname = $nginx['NGINX_LANMDNS'];
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$externalprotocol = 'https';
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// keyserver will expand *.hash.myunraid.net or add www to hash.unraid.net as needed
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$externalhostname = $nginx['NGINX_CERTNAME'];
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$isLegacyCert = preg_match('/.*\.unraid\.net$/', $nginx['NGINX_CERTNAME']);
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$isWildcardCert = preg_match('/.*\.myunraid\.net$/', $nginx['NGINX_CERTNAME']);
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if ($nginx['NGINX_USESSL']=='yes') {
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// When NGINX_USESSL is 'yes' in 6.9, it could be using either Server_unraid_bundle.pem or certificate_bundle.pem
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// When NGINX_USESSL is 'yes' in 6.10, it is is using Server_unraid_bundle.pem
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$internalprotocol = 'https';
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$internalport = $nginx['NGINX_PORTSSL'];
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if ($is69 && $nginx['NGINX_CERTNAME']) {
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// this is from certificate_bundle.pem
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$internalhostname = $nginx['NGINX_CERTNAME'];
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}
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}
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if ($nginx['NGINX_USESSL']=='auto') {
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// NGINX_USESSL cannot be 'auto' in 6.9, it is either 'yes' or 'no'
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// When NGINX_USESSL is 'auto' in 6.10, it is using certificate_bundle.pem
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$internalprotocol = 'https';
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$internalport = $nginx['NGINX_PORTSSL'];
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// keyserver will expand *.hash.myunraid.net as needed
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$internalhostname = $nginx['NGINX_CERTNAME'];
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}
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// My Servers version
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$plgversion = file_exists("/var/log/plugins/dynamix.unraid.net.plg") ? trim(@exec('/usr/local/sbin/plugin version /var/log/plugins/dynamix.unraid.net.plg 2>/dev/null'))
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: ( file_exists("/var/log/plugins/dynamix.unraid.net.staging.plg") ? trim(@exec('/usr/local/sbin/plugin version /var/log/plugins/dynamix.unraid.net.staging.plg 2>/dev/null'))
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: 'base-'.$var['version'] );
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// only proceed when when signed in or when legacy unraid.net SSL certificate exists
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if (!$isRegistered && !$isLegacyCert) {
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response_complete(406, array('error' => _('Nothing to do')));
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}
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// keyfile
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$keyfile = @file_get_contents($var['regFILE']);
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if ($keyfile === false) {
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response_complete(406, array('error' => _('Registration key required')));
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}
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$keyfile = @base64_encode($keyfile);
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// internalip
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$ethX = 'eth0';
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$internalip = ipaddr($ethX);
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// build post array
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$post = [
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'keyfile' => $keyfile,
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'plgversion' => $plgversion
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];
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if ($isLegacyCert) {
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// sign in not required to maintain local ddns for unraid.net cert
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// enable local ddns regardless of use_ssl value
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$post['internalip'] = $internalip;
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// if host.unraid.net does not resolve to the internalip and DNS Rebind Protection is disabled, disable caching
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if (host_lookup_ip(generate_internal_host($nginx['NGINX_CERTNAME'], $post['internalip'])) != $post['internalip'] && rebindDisabled()) $dnserr = true;
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}
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if ($isRegistered) {
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// if signed in, send data needed to maintain My Servers Dashboard
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$post['internalhostname'] = $internalhostname;
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$post['internalport'] = $internalport;
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$post['internalprotocol'] = $internalprotocol;
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$post['remoteaccess'] = $remoteaccess;
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$post['servercomment'] = $var['COMMENT'];
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$post['servername'] = $var['NAME'];
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if ($isWildcardCert) {
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// keyserver needs the internalip to generate the local access url
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$post['internalip'] = $internalip;
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}
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if ($remoteaccess == 'yes') {
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// include wanip in the cache file so we can track if it changes
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$post['_wanip'] = trim(@file_get_contents("https://wanip4.unraid.net/"));
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$post['externalhostname'] = $externalhostname;
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$post['externalport'] = $externalport;
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$post['externalprotocol'] = $externalprotocol;
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// if wanip.hash.myunraid.net or www.hash.unraid.net does not resolve to the wanip, disable caching
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if (host_lookup_ip(generate_external_host($post['externalhostname'], $post['_wanip'])) != $post['_wanip']) $dnserr = true;
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}
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}
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// if remoteaccess is enabled in 6.10.0-rc3+ and WANIP has changed since nginx started, reload nginx
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if ($post['_wanip'] && ($post['_wanip'] != $nginx['NGINX_WANIP']) && version_compare($var['version'],"6.10.0-rc2",">")) $reloadNginx = true;
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// if remoteaccess is currently disabled (perhaps because a wanip was not available when nginx was started)
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// BUT the system is configured to have it enabled AND a wanip is now available
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// then reload nginx
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if ($remoteaccess == 'no' && $nginx['NGINX_WANACCESS'] == 'yes' && !empty(trim(@file_get_contents("https://wanip4.unraid.net/")))) $reloadNginx = true;
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if ($reloadNginx) {
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exec("/etc/rc.d/rc.nginx reload &>/dev/null");
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}
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// maxage is 36 hours
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$maxage = 36*60*60;
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if ($dnserr || $verbose) $maxage = 0;
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$datafile = "/tmp/UpdateDNS.txt";
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$datafiletmp = "/tmp/UpdateDNS.txt.new";
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$dataprev = @file_get_contents($datafile) ?: '';
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$datanew = implode("\n",$post)."\n";
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if ($datanew == $dataprev && (time()-filemtime($datafile) < $maxage)) {
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response_complete(204, null, _('No change to report'));
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}
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file_put_contents($datafiletmp,$datanew);
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rename($datafiletmp, $datafile);
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// do not submit the wanip, it will be captured from the submission if needed for remote access
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unset($post['_wanip']);
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// report necessary server details to limetech for DNS updates
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$ch = curl_init('https://keys.lime-technology.com/account/server/register');
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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$result = curl_exec($ch);
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$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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$error = curl_error($ch);
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curl_close($ch);
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if ( ($result === false) || ($httpcode != "200") ) {
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// delete cache file to retry submission on next run
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@unlink($datafile);
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response_complete($httpcode ?? "500", array('error' => $error));
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}
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response_complete($httpcode, $result, _('success'));
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?>
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