mirror of
https://github.com/sorenpeter/timeline.git
synced 2025-12-15 10:57:01 +00:00
49 lines
1.5 KiB
PHP
49 lines
1.5 KiB
PHP
<?php
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function splitNickDomain($str) {
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$str = trim($str);
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$str = str_replace("acct:", "", $str); // remove "acct:" prefix
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$str = ltrim($str, "@"); // remove leading "@"
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if (filter_var($str, FILTER_VALIDATE_EMAIL) ) {
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return array("nick" => explode("@",$str)[0], "domain" => explode("@",$str)[1] );
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} else {
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return FALSE;
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}
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}
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$wf_acct = "";
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$wf_nick = "";
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$wf_url = "";
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$wf_error = "";
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$wf_request = "";
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if(isset($_POST['submit'])) {
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$wf_request = $_POST["webfinger"];
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$wf_acct = splitNickDomain($wf_request);
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if($wf_acct === FALSE) { $wf_error = "ERROR: ".$wf_request." does not look like a valid webfinger handle"; }
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$wf_json = file_get_contents("https://".$wf_acct["domain"]."/.well-known/webfinger?resource=acct:".$wf_acct["nick"]."@".$wf_acct["domain"]);
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//if($wf_json === FALSE) { $wf_error = "ERROR: Chould not find a twtxt feed at webfinger endpoint ".$wf_request; }
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$wf_array = json_decode($wf_json, true);
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$wf_domain = splitNickDomain($wf_array["subject"])["domain"];
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foreach( $wf_array["links"] as $link ) {
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if ( $link["rel"] == "self" AND $link["type"] == "text/plain") {
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if ( filter_var($link["href"], FILTER_VALIDATE_URL) ) {
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$wf_url = $link["href"];
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$wf_nick = splitNickDomain($wf_array["subject"])["nick"];
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$wf_error = "URL to twtxt.txt found for ".$wf_nick ."@".$wf_domain;
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break;
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}
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} else { $wf_error = "ERROR: Chould not find a twtxt feed at webfinger endpoint ".$wf_acct["domain"]; }
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}
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}
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//else { $wf_error = "Chould not find webfinger endpoint at ".$wf_acct["domain"]; }
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