two tracks proceeding in parallel - first adding the ability to store a digital signature with ratings so that directories can pass them around, second provide some directory registration functions so we can obtain a list of directories from somewhere (to pass ratings around between them). This gives the primary directory role some value as that is where you register your directory.

boot.php

@@ -49,7 +49,7 @@ define ( 'RED_PLATFORM',            'redmatrix' );
 define ( 'RED_VERSION',             trim(file_get_contents('version.inc')) . 'R');
 define ( 'ZOT_REVISION',            1     );
 
-define ( 'DB_UPDATE_VERSION',       1135  );
+define ( 'DB_UPDATE_VERSION',       1136  );
 
 /**
  * Constant with a HTML line break.
@@ -2194,6 +2194,19 @@ function get_directory_realm() {
 	return DIRECTORY_REALM;
 }
 
+/**
+ * @brief Return the primary directory server.
+ *
+ * @return string
+ */
+function get_directory_primary() {
+	if($x = get_config('system', 'directory_primary'))
+		return $x;
+
+	return DIRECTORY_FALLBACK_MASTER;
+}
+
+
 
 /**
  * @brief return relative date of last completed poller execution

include/poller.php

@@ -164,6 +164,10 @@ function poller_run($argv, $argc){
 				db_utcnow(), db_quoteinterval('14 DAY')
 			);
 
+			$dirmode = intval(get_config('system','directory_mode'));
+			if($dirmode == DIRECTORY_MODE_SECONDARY) {
+				logger('regdir: ' . print_r(z_fetch_url(get_directory_primary() . '/regdir?f=&url=' . z_root() . '&realm=' . get_directory_realm()),true));
+			}
 
 			/**
 			 * End Cron Weekly

install/schema_mysql.sql

@@ -1533,6 +1533,7 @@ CREATE TABLE IF NOT EXISTS `xlink` (
   `xlink_rating_text` TEXT NOT NULL DEFAULT '',
   `xlink_updated` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
   `xlink_static` tinyint(1) NOT NULL DEFAULT '0',
+  `xlink_sig` text NOT NULL DEFAULT '',
   PRIMARY KEY (`xlink_id`),
   KEY `xlink_xchan` (`xlink_xchan`),
   KEY `xlink_link` (`xlink_link`),

install/schema_postgres.sql

@@ -1146,6 +1146,7 @@ CREATE TABLE "xlink" (
   "xlink_rating_text" TEXT NOT NULL DEFAULT '',
   "xlink_updated" timestamp NOT NULL DEFAULT '0001-01-01 00:00:00',
   "xlink_static" numeric(1) NOT NULL DEFAULT '0',
+  "xlink_sig" text NOT NULL DEFAULT '',
   PRIMARY KEY ("xlink_id")
 );
 create index "xlink_xchan" on xlink ("xlink_xchan");

install/update.php

@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1135 );
+define( 'UPDATE_VERSION' , 1136 );
 
 /**
  *
@@ -1549,4 +1549,11 @@ function update_r1134() {
 	if($r)
 		return UPDATE_SUCCESS;
 	return UPDATE_FAILED;
+}
+
+function update_r1135() {
+	$r = q("ALTER TABLE xlink ADD xlink_sig TEXT NOT NULL DEFAULT ''");
+	if($r)
+		return UPDATE_SUCCESS;
+	return UPDATE_FAILED;
 }

mod/regdir.php

@@ -0,0 +1,64 @@
+<?php
+
+
+function regdir_init(&$a) {
+
+	$result = array('success' => false);
+
+	$url = $_REQUEST['url'];
+
+
+	// we probably don't need the realm as we will find out in the probe.
+	// What we may want to die is throw an error if you're trying to register in a different realm
+	// so this configuration issue can be discovered.
+
+	$realm = $_REQUEST['realm'];
+	if(! $realm)
+		$realm = DIRECTORY_REALM;
+
+	$dirmode = intval(get_config('system','directory_mode'));
+
+	if($dirmode == DIRECTORY_MODE_NORMAL) {
+		$ret['message'] = t('This site is not a directory server');
+		json_return_and_die($ret);
+	}
+
+	$m = null;
+	if($url) {
+		$m = parse_url($url);
+
+		if((! $m) || (! @dns_get_record($m['host'], DNS_A + DNS_CNAME + DNS_PTR)) || (! filter_var($m['host'], FILTER_VALIDATE_IP) )) {
+			$result['message'] = 'unparseable url';
+			json_return_and_die($result);
+		}
+
+		$f = zot_finger('sys@' . $m['host']);
+		if($f['success']) {
+			$j = json_decode($f['body'],true);
+			if($j['success'] && $j['guid']) {
+				$x = import_xchan($j);
+				if($x['success']) {
+					$result['success'] = true;
+					json_return_and_die($result);
+				}
+			}
+		}
+
+		json_return_and_die($result);
+	}
+	else {
+		$r = q("select site_url from site where site_flags in ( 1, 2 ) and site_realm = '%s'",
+			dbesc(get_directory_realm())
+		);
+		if($r) {
+			$result['success'] = true;
+			$result['directories'] = array();
+			foreach($r as $rr)
+				$result['directories'][] = $rr['site_url'];
+			json_return_and_die($result);
+		}
+	}
+	json_return_and_die($result);
+		
+
+}			

mod/zfinger.php

@@ -99,13 +99,14 @@ function zfinger_init(&$a) {
 
 	$id = $e['channel_id'];
 
+	$sys_channel     = (($e['channel_pageflags'] & PAGE_SYSTEM)   ? true : false);
 	$special_channel = (($e['channel_pageflags'] & PAGE_PREMIUM)  ? true : false);
 	$adult_channel   = (($e['channel_pageflags'] & PAGE_ADULT)    ? true : false);
 	$censored        = (($e['channel_pageflags'] & PAGE_CENSORED) ? true : false);
 	$searchable      = (($e['channel_pageflags'] & PAGE_HIDDEN)   ? false : true);
 	$deleted         = (($e['xchan_flags'] & XCHAN_FLAGS_DELETED) ? true : false);
 
-	if($deleted || $censored)
+	if($deleted || $censored || $sys_channel)
 		$searchable = false;
 	 
 	$public_forum = false;
@@ -237,6 +238,12 @@ function zfinger_init(&$a) {
 	$dirmode = get_config('system','directory_mode');
 	if(($dirmode === false) || ($dirmode == DIRECTORY_MODE_NORMAL))
 		$ret['site']['directory_mode'] = 'normal';
+
+	// downgrade mis-configured primaries
+
+	if($dirmode == DIRECTORY_MODE_PRIMARY && z_root() != get_directory_primary())
+		$dirmode = DIRECTORY_MODE_SECONDARY;
+
 	if($dirmode == DIRECTORY_MODE_PRIMARY)
 		$ret['site']['directory_mode'] = 'primary';
 	elseif($dirmode == DIRECTORY_MODE_SECONDARY)

version.inc

@@ -1 +1 @@
-2015-01-31.933
+2015-02-01.934