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zot basic comm structure (real basic)
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parent
f2a7fcf822
commit
26e29d7f88
3 changed files with 147 additions and 4 deletions
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@ -182,6 +182,96 @@ function post_url($url,$params, $headers = null, &$redirects = 0, $timeout = 0)
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return($body);
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}}
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if(! function_exists('z_fetch_url')) {
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function z_fetch_url($url,$binary = false, &$redirects = 0, $timeout = 0, $accept_content=Null) {
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$ret = array('return_code' => 0, 'success' => false, 'header' => "", 'body' => "");
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$a = get_app();
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$ch = @curl_init($url);
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if(($redirects > 8) || (! $ch))
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return false;
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@curl_setopt($ch, CURLOPT_HEADER, true);
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if (!is_null($accept_content)){
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curl_setopt($ch,CURLOPT_HTTPHEADER, array (
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"Accept: " . $accept_content
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));
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}
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@curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
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@curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (compatible; Friendica)");
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if(intval($timeout)) {
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@curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
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}
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else {
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$curl_time = intval(get_config('system','curl_timeout'));
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@curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
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}
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// by default we will allow self-signed certs
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// but you can override this
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$check_cert = get_config('system','verifyssl');
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@curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
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$prx = get_config('system','proxy');
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if(strlen($prx)) {
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@curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
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@curl_setopt($ch, CURLOPT_PROXY, $prx);
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$prxusr = @get_config('system','proxyuser');
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if(strlen($prxusr))
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@curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
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}
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if($binary)
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@curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
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// don't let curl abort the entire application
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// if it throws any errors.
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$s = @curl_exec($ch);
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$base = $s;
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$curl_info = @curl_getinfo($ch);
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$http_code = $curl_info['http_code'];
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// logger('fetch_url:' . $http_code . ' data: ' . $s);
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$header = '';
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// Pull out multiple headers, e.g. proxy and continuation headers
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// allow for HTTP/2.x without fixing code
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while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
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$chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
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$header .= $chunk;
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$base = substr($base,strlen($chunk));
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}
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if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
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$matches = array();
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preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
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$newurl = trim(array_pop($matches));
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if(strpos($newurl,'/') === 0)
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$newurl = $url . $newurl;
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$url_parsed = @parse_url($newurl);
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if (isset($url_parsed)) {
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$redirects++;
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@curl_close($ch);
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return z_fetch_url($newurl,$binary,$redirects,$timeout,$accpt_content);
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}
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}
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$rc = intval($http_code);
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$ret['return_code'] = $rc;
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$ret['success'] = (($rc >= 200 && $rc <= 299) ? true : false);
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$ret['body'] = substr($s,strlen($header));
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$ret['header'] = $header;
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@curl_close($ch);
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return($ret);
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}}
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@ -22,7 +22,7 @@ function zot_new_uid($entity_id) {
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*
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*/
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function zot_get_hubloc($arr,$primary) {
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function zot_get_hubloc($arr,$primary = false) {
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$tmp = '';
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@ -38,7 +38,7 @@ function zot_get_hubloc($arr,$primary) {
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return array();
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$sql_extra = (($primary) ? " and hubloc_primary = 1 " : "" );
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return q("select * from hubloc where hubloc_zuid in ( $tmp ) $sql_extra order by hubloc_url");
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return q("select * from hubloc where hubloc_guid in ( $tmp ) $sql_extra order by hubloc_url");
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}
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@ -60,11 +60,53 @@ function zot_verify(&$item,$identity) {
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function zot_notify($entity,$url) {
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$x = z_post_url($url, array(
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'type' => 'notify',
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'guid' => $entity['entity_global_id'],
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'callback' => z_root() . '/post',
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'guid' => $entity['entity_global_id'],
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'hub' => z_root(),
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'callback' => '/post',
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'spec' => ZOT_REVISION)
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);
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return($x);
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}
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function zot_gethub($arr) {
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if((x($arr,'hub')) && (x($arr,'guid'))) {
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$r = q("select * from hubloc
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where hubloc_guid = '%s' and hubloc_url = '%s'
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limit 1",
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dbesc($arr['guid']),
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dbesc($arr['hub'])
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);
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if($r && count($r))
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return $r[0];
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}
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return null;
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}
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function zot_register_hub($arr) {
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if((x($arr,'hub')) && (x($arr,'guid'))) {
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$x = z_fetch_url($arr['hub'] . '/.well-known/zot-guid/' . $arr['guid']);
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if($x['success']) {
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$record = json_decode($x['body']);
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if($record->guid === $arr['guid'] && $record->url === $arr['hub']) {
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$r = q("insert into hubloc (hubloc_guid, hubloc_primary, hubloc_url,
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hubloc_callback, hubloc_sitekey, hubloc_key)
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values ( '%s', %d, '%s', '%s', '%s', '%s' )",
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dbesc($arr['guid']),
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intval($record->primary),
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dbesc($record->url),
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dbesc($record->callback),
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dbesc($record->sitekey),
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dbesc($record->key)
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);
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// return the discovery record so we can further process
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if($r)
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return $record;
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}
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}
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}
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return false;
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}
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11
mod/post.php
11
mod/post.php
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@ -15,6 +15,17 @@ function post_post(&$a) {
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if($msgtype === 'notify') {
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$hub = zot_gethub($_REQUEST['guid']);
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if(! $hub) {
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$result = zot_register_hub($_REQUEST);
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if(! $result) {
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$ret['message'] = 'Hub not available.';
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json_return_and_dir($ret);
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}
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}
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// check which hub is primary and take action if mismatched
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// add to receive queue
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// qreceive_add($_REQUEST);
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