provide option to block the public stream unless authenticated, since there could be legal issues with unmoderated content

Zotlabs/Lib/Apps.php

@@ -119,6 +119,7 @@ class Apps {
 
 
 	static public function parse_app_description($f,$translate = true) {
+
 		$ret = array();
 
 		$baseurl = z_root();
@@ -194,6 +195,10 @@ class Apps {
 						if(! is_public_profile())
 							unset($ret);
 						break;
+					case 'public_stream':
+						if(! can_view_public_stream())
+							unset($ret);
+						break;
 					case 'observer':
 						if(! $observer)
 							unset($ret);
@@ -346,6 +351,10 @@ class Apps {
 							if(! is_public_profile())
 								return '';
 							break;
+						case 'public_stream':
+							if(! can_view_public_stream())
+								return '';
+							break;
 						case 'observer':
 							$observer = \App::get_observer();
 							if(! $observer)

Zotlabs/Module/Admin/Site.php

@@ -45,6 +45,7 @@ class Site {
 		$force_publish		=	((x($_POST,'publish_all'))		? True	: False);
 		$disable_discover_tab =	((x($_POST,'disable_discover_tab'))		? False	:	True);
 		$site_firehose      =   ((x($_POST,'site_firehose')) ? True : False);
+		$open_pubstream     =   ((x($_POST,'open_pubstream')) ? True : False);
 		$login_on_homepage	=	((x($_POST,'login_on_homepage'))		? True	:	False);
 		$enable_context_help = ((x($_POST,'enable_context_help'))		? True	:	False);
 		$global_directory     = ((x($_POST,'directory_submit_url'))	? notags(trim($_POST['directory_submit_url']))	: '');
@@ -139,6 +140,7 @@ class Site {
 		set_config('system','publish_all', $force_publish);
 		set_config('system','disable_discover_tab', $disable_discover_tab);
 		set_config('system','site_firehose', $site_firehose);
+		set_config('system','open_pubstream', $open_pubstream);
 		set_config('system','force_queue_threshold', $force_queue);
 		if ($global_directory == '') {
 			del_config('system', 'directory_submit_url');
@@ -319,7 +321,7 @@ class Site {
 			'$force_publish'	=> array('publish_all', t("Force publish"), get_config('system','publish_all'), t("Check to force all profiles on this site to be listed in the site directory.")),
 			'$disable_discover_tab'	=> array('disable_discover_tab', t('Import Public Streams'), $discover_tab, t('Import and allow access to public content pulled from other sites. Warning: this content is unmoderated.')),
 			'$site_firehose'	=> array('site_firehose', t('Site only Public Streams'), get_config('system','site_firehose'), t('Allow access to public content originating only from this site if Imported Public Streams are disabled.')),
-
+			'$open_pubstream'	=> array('open_pubstream', t('Allow anybody on the internet to access the Public streams'), get_config('system','open_pubstream',1), t('Disable to require authentication before viewing. Warning: this content is unmoderated.')),
 			'$login_on_homepage'	=> array('login_on_homepage', t("Login on Homepage"),((intval($homelogin) || $homelogin === false) ? 1 : '') , t("Present a login box to visitors on the home page if no other content has been configured.")),
 			'$enable_context_help'	=> array('enable_context_help', t("Enable context help"),((intval($enable_context_help) === 1 || $enable_context_help === false) ? 1 : 0) , t("Display contextual help for the current page when the help button is pressed.")),
 

Zotlabs/Module/Pubstream.php

@@ -12,9 +12,8 @@ class Pubstream extends \Zotlabs\Web\Controller {
 		if($load)
 			$_SESSION['loadtime'] = datetime_convert();
 
-	
-		if(observer_prohibited(true)) {
-				return login();
+		if((observer_prohibited(true)) || (! (intval(get_config('system','open_pubstream',1))) && get_observer_hash())) {
+			return login();
 		}
 
 		$site_firehose = ((intval(get_config('system','site_firehose',0))) ? true : false);

app/pubstream.apd

@@ -1,6 +1,6 @@
-version: 2
+version: 2.2
 url: $baseurl/pubstream
-requires: config:disable_discover_tab=0
+requires: public_stream
 name: Public Stream
 photo: icon:globe
-categories: Social
+categories: Social, nav_featured_app

boot.php

@@ -1685,6 +1685,26 @@ function remote_channel() {
 	return false;
 }
 
+
+function can_view_public_stream() {
+
+	if((observer_prohibited(true)) 
+		|| (! (intval(get_config('system','open_pubstream',1))) && get_observer_hash())) {
+		return false;
+	}
+
+	$site_firehose = ((intval(get_config('system','site_firehose',0))) ? true : false);
+	$net_firehose  = ((get_config('system','disable_discover_tab',1)) ? false : true);
+
+	if(! ($site_firehose || $net_firehose)) {
+		return false;
+	}
+
+	return true;
+
+}
+
+
 /**
  * @brief Show an error or alert text on next page load.
  *

include/conversation.php

@@ -974,7 +974,7 @@ function author_is_pmable($xchan, $abook) {
 	if($x['result'] !== 'unset')
 		return $x['result'];
 	
-	if($xchan['xchan_network'] === 'zot')
+	if($xchan['xchan_network'] === 'zot' && get_observer_hash())
 		return true;
 	return false;
 

include/nav.php

@@ -73,9 +73,7 @@ EOT;
 	// nav links: array of array('href', 'text', 'extra css classes', 'title')
 	$nav = [];
 
-	$disable_discover_tab = get_config('system','disable_discover_tab') || get_config('system','disable_discover_tab') === false;
-
-	if(! $disable_discover_tab)
+	if(can_view_public_stream())
 		$nav['pubs'] = true;
 
 	/**

view/tpl/admin_site.tpl

@@ -84,6 +84,7 @@
 	{{include file="field_checkbox.tpl" field=$force_publish}}
 	{{include file="field_checkbox.tpl" field=$disable_discover_tab}}
 	{{include file="field_checkbox.tpl" field=$site_firehose}}
+	{{include file="field_checkbox.tpl" field=$open_pubstream}}
 	
 	<div class="submit"><input type="submit" name="page_site" value="{{$submit}}" /></div>