From 2fb3d6ddf5e72b97fbbdfbc65cdaba90ff73d4b8 Mon Sep 17 00:00:00 2001
From: Mario <mario@mariovavti.com>
Date: Thu, 27 May 2021 15:40:28 +0000
Subject: remove zot6/finger

---
 Zotlabs/Zot6/Finger.php | 145 ------------------------------------------------
 1 file changed, 145 deletions(-)
 delete mode 100644 Zotlabs/Zot6/Finger.php

(limited to 'Zotlabs/Zot6')

diff --git a/Zotlabs/Zot6/Finger.php b/Zotlabs/Zot6/Finger.php
deleted file mode 100644
index cec3f98ab..000000000
--- a/Zotlabs/Zot6/Finger.php
+++ /dev/null
@@ -1,145 +0,0 @@
-<?php
-
-namespace Zotlabs\Zot6;
-
-/**
- * @brief Finger
- *
- */
-class Finger {
-
-	static private $token;
-
-	/**
-	 * @brief Look up information about channel.
-	 *
-	 * @param string $webbie
-	 *   does not have to be host qualified e.g. 'foo' is treated as 'foo\@thishub'
-	 * @param array $channel
-	 *   (optional), if supplied permissions will be enumerated specifically for $channel
-	 * @param boolean $autofallback
-	 *   fallback/failover to http if https connection cannot be established. Default is true.
-	 *
-	 * @return zotinfo array (with 'success' => true) or array('success' => false);
-	 */
-
-	static public function run($webbie, $channel = null, $autofallback = true) {
-
-		$ret = array('success' => false);
-
-		self::$token = random_string();
-
-		if (strpos($webbie, '@') === false) {
-			$address = $webbie;
-			$host = \App::get_hostname();
-		} else {
-			$address = substr($webbie,0,strpos($webbie,'@'));
-			$host = substr($webbie,strpos($webbie,'@')+1);
-			if(strpos($host,'/'))
-				$host = substr($host,0,strpos($host,'/'));
-		}
-
-		$xchan_addr = $address . '@' . $host;
-
-		if ((! $address) || (! $xchan_addr)) {
-			logger('zot_finger: no address :' . $webbie);
-
-			return $ret;
-		}
-
-		logger('using xchan_addr: ' . $xchan_addr, LOGGER_DATA, LOG_DEBUG);
-
-		// potential issue here; the xchan_addr points to the primary hub.
-		// The webbie we were called with may not, so it might not be found
-		// unless we query for hubloc_addr instead of xchan_addr
-
-		$r = q("select xchan.*, hubloc.* from xchan
-			left join hubloc on xchan_hash = hubloc_hash
-			where xchan_addr = '%s' and hubloc_primary = 1 limit 1",
-			dbesc($xchan_addr)
-		);
-
-		if($r) {
-			$url = $r[0]['hubloc_url'];
-
-			if($r[0]['hubloc_network'] && $r[0]['hubloc_network'] !== 'zot') {
-				logger('zot_finger: alternate network: ' . $webbie);
-				logger('url: ' . $url . ', net: ' . var_export($r[0]['hubloc_network'],true), LOGGER_DATA, LOG_DEBUG);
-				return $ret;
-			}
-		} else {
-			$url = 'https://' . $host;
-		}
-
-		$rhs = '/.well-known/zot-info';
-		$https = ((strpos($url,'https://') === 0) ? true : false);
-
-		logger('zot_finger: ' . $address . ' at ' . $url, LOGGER_DEBUG);
-
-		if ($channel) {
-			$postvars = array(
-				'address'    => $address,
-				'target'     => $channel['channel_guid'],
-				'target_sig' => $channel['channel_guid_sig'],
-				'key'        => $channel['channel_pubkey'],
-				'token'      => self::$token
-			);
-
-			$headers = [];
-			$headers['X-Zot-Channel'] = $channel['channel_address'] . '@' . \App::get_hostname();
-			$headers['X-Zot-Nonce']   = random_string();
-			$xhead = HTTPSig::create_sig($headers,$channel['channel_prvkey'], channel_url($channel));
-
-			$retries = 0;
-
-			$result = z_post_url($url . $rhs,$postvars,$retries, [ 'headers' => $xhead ]);
-
-			if ((! $result['success']) && ($autofallback)) {
-				if ($https) {
-					logger('zot_finger: https failed. falling back to http');
-					$result = z_post_url('http://' . $host . $rhs,$postvars, $retries, [ 'headers' => $xhead ]);
-				}
-			}
-		}
-		else {
-			$rhs .= '?f=&address=' . urlencode($address) . '&token=' . self::$token;
-
-			$result = z_fetch_url($url . $rhs);
-			if((! $result['success']) && ($autofallback)) {
-				if($https) {
-					logger('zot_finger: https failed. falling back to http');
-					$result = z_fetch_url('http://' . $host . $rhs);
-				}
-			}
-		}
-
-		if(! $result['success']) {
-			logger('zot_finger: no results');
-
-			return $ret;
-		}
-
-		$x = json_decode($result['body'], true);
-
-		$verify = HTTPSig::verify($result,(($x) ? $x['key'] : ''));
-
-		if($x && (! $verify['header_valid'])) {
-			$signed_token = ((is_array($x) && array_key_exists('signed_token', $x)) ? $x['signed_token'] : null);
-			if($signed_token) {
-				$valid = zot_verify('token.' . self::$token, base64url_decode($signed_token), $x['key']);
-				if(! $valid) {
-					logger('invalid signed token: ' . $url . $rhs, LOGGER_NORMAL, LOG_ERR);
-
-					return $ret;
-				}
-			}
-			else {
-				logger('No signed token from '  . $url . $rhs, LOGGER_NORMAL, LOG_WARNING);
-				return $ret;
-			}
-		}
-
-		return $x;
-	}
-
-}
-- 
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