From 2a6d3e1f940af1819182be5710eb6a1f45de1929 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Tue, 28 May 2013 22:58:59 -0700
Subject: make sure we get the correct URL. Also redirect back again
 (essentially perform a no-op) when using reverse magic auth and we can't find
 a channel.

---
 boot.php      | 49 ++++++++++++++-----------------------------------
 mod/magic.php | 19 ++++++++++---------
 2 files changed, 24 insertions(+), 44 deletions(-)

diff --git a/boot.php b/boot.php
index 817881c3f..8157760e5 100755
--- a/boot.php
+++ b/boot.php
@@ -709,17 +709,8 @@ class App {
 		$scheme = $this->scheme;
 
 		if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
-			if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
+			if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL)) {
 				$scheme = 'https';
-
-			//  Basically, we have $ssl = true on any links which can only be seen by a logged in user
-			//  (and also the login link). Anything seen by an outsider will have it turned off.
-
-			if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
-				if($ssl)
-					$scheme = 'https';
-				else
-					$scheme = 'http';
 			}
 		}
 			
@@ -1094,32 +1085,20 @@ function check_config(&$a) {
 	if(! x($build))
 		$build = set_config('system','db_version',DB_UPDATE_VERSION);
 
-		$saved = get_config('system','urlverify');
-		if(! $saved)
-			set_config('system','urlverify',bin2hex(z_root()));
-		if(($saved) && ($saved != bin2hex(z_root()))) {
-			// our URL changed. Do something.
-			$oldurl = hex2bin($saved);
-			fix_system_urls($oldurl,z_root());
-			set_config('system','urlverify',bin2hex(z_root()));
-
-		}
-
-
-//		$url = get_config('system','baseurl');
-
-	// if the url isn't set or the stored url is radically different
-	// than the currently visited url, store the current value accordingly.
-	// "Radically different" ignores common variations such as http vs https
-	// and www.example.com vs example.com.
-	// We will only change the url to an ip address if there is no existing setting
-
-//		if(! x($url))
-//			$url = set_config('system','baseurl',$a->get_baseurl());
-//		if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
-//			$url = set_config('system','baseurl',$a->get_baseurl());
+	$saved = get_config('system','urlverify');
+	if(! $saved)
+		set_config('system','urlverify',bin2hex(z_root()));
+	if(($saved) && ($saved != bin2hex(z_root()))) {
+		// our URL changed. Do something.
+		$oldurl = hex2bin($saved);
+		fix_system_urls($oldurl,z_root());
+		set_config('system','urlverify',bin2hex(z_root()));
+	}
 
+	// This will actually set the url to the one stored in .htconfig, and ignore what 
+	// we're passing - unless we are installing and it has never been set. 
 
+	$a->set_baseurl($a->get_baseurl());
 
 	if($build != DB_UPDATE_VERSION) {
 		$stored = intval($build);
@@ -2111,7 +2090,7 @@ function zid_init(&$a) {
 			$dest = '/' . $a->query_string;
 			$dest = str_replace(array('?zid=','&zid='),array('?rzid=','&rzid='),$dest);
 			if($r && ($r[0]['hubloc_url'] != z_root()) && (! strstr($dest,'/magic')) && (! strstr($dest,'/rmagic'))) {
-				goaway($r[0]['hubloc_url'] . '/magic' . '?f=&dest=' . z_root() . $dest);
+				goaway($r[0]['hubloc_url'] . '/magic' . '?f=&rev=1&dest=' . z_root() . $dest);
 			}
 		}
 	}
diff --git a/mod/magic.php b/mod/magic.php
index faa62850b..09a2e8a51 100644
--- a/mod/magic.php
+++ b/mod/magic.php
@@ -7,6 +7,7 @@ function magic_init(&$a) {
 	$addr = ((x($_REQUEST,'addr')) ? $_REQUEST['addr'] : '');
 	$hash = ((x($_REQUEST,'hash')) ? $_REQUEST['hash'] : '');
 	$dest = ((x($_REQUEST,'dest')) ? $_REQUEST['dest'] : '');
+	$rev  = ((x($_REQUEST,'rev'))  ? intval($_REQUEST['rev']) : 0);
 
 	if($hash) {
 		$x = q("select xchan.xchan_url, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash
@@ -25,18 +26,14 @@ function magic_init(&$a) {
 	else {
 		// See if we know anybody at the dest site that will unlock the door for us
 		$b = explode('/',$dest);
-		$u = '';
-		if(count($b) >= 2)
+
+		if(count($b) >= 2) {
 			$u = $b[0] . '//' . $b[2];
-		logger('mod_magic: fallback: ' . $b . ' -> ' . $u);
-	
-		if($u) {
 			$x = q("select xchan.xchan_url, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash
 				where hubloc_url = '%s' order by hubloc_id desc limit 1",
 				dbesc($u)
 			);
 		}
-
 	}
 
 	if(! $x) {
@@ -59,9 +56,13 @@ function magic_init(&$a) {
 	}
 
 	if(! $x) {
-		logger('mod_magic: channel not found.' . print_r($_REQUEST,true));
-		notice( t('Channel not found.') . EOL);
-		return;
+		if($rev)
+			goaway($dest);
+		else {
+			logger('mod_magic: channel not found.' . print_r($_REQUEST,true));
+			notice( t('Channel not found.') . EOL);
+			return;
+		}
 	}
 
 	// This is ready-made for a plugin that provides a blacklist or "ask me" before blindly authenticating. 
-- 
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