91 lines
1.7 KiB
PHP
91 lines
1.7 KiB
PHP
<?php
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namespace Zotlabs\Lib;
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use Zotlabs\Web\HTTPSig;
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class ZotURL {
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static public function fetch($url,$channel) {
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$ret = [ 'success' => false ];
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if(strpos($url,'x-zot:') !== 0) {
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return $ret;
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}
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if(! $url) {
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return $ret;
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}
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$portable_url = substr($url,6);
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$u = explode('/',$portable_url);
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$portable_id = $u[0];
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$hosts = self::lookup($portable_id);
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if(! $hosts) {
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return $ret;
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}
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foreach($hosts as $h) {
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$newurl = $h . '/id/' . $portable_url;
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$m = parse_url($newurl);
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$data = json_encode([ 'zot_token' => random_string() ]);
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if($channel && $m) {
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$headers = [
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'Accept' => 'application/x-zot+json',
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'Content-Type' => 'application/x-zot+json',
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'X-Zot-Token' => random_string(),
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'Digest' => HTTPSig::generate_digest_header($data),
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'Host' => $m['host'],
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'(request-target)' => 'post ' . get_request_string($newurl)
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];
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$h = HTTPSig::create_sig($headers,$channel['channel_prvkey'],channel_url($channel),false);
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}
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else {
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$h = [ 'Accept: application/x-zot+json' ];
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}
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$result = [];
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$redirects = 0;
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$x = z_post_url($newurl,$data,$redirects, [ 'headers' => $h ] );
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if($x['success']) {
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return $x;
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}
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}
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return $ret;
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}
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static public function is_zoturl($url) {
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if(strpos($url,'x-zot:') === 0) {
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return true;
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}
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return false;
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}
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static public function lookup($portable_id) {
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$r = q("select * from hubloc left join site on hubloc_url = site_url where hubloc_hash = '%s' and site_dead = 0 order by hubloc_primary desc",
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dbesc($portable_id)
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);
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if(! $r) {
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// extend to network lookup
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return false;
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}
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return ids_to_array($r,'hubloc_url');
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}
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} |