Webconsole: fix output on i2p tunnels, add b32 on dest page

Fixes:
* adding of "Client Destinations" section header when there is no such tunnels
* Print error when destination is not found instead of empty page

Adds:
* Print b32 on destination page

Signed-off-by: r4sas <r4sas@i2pmail.org>

daemon/HTTPServer.cpp

@@ -422,8 +422,12 @@ namespace http {
 
 	static void ShowLeaseSetDestination (std::stringstream& s, std::shared_ptr<const i2p::client::LeaseSetDestination> dest, uint32_t token)
 	{
+		s << "<b>Base32:</b><br>\r\n<textarea readonly cols=\"80\" rows=\"1\">";
+		s << dest->GetIdentHash ().ToBase32 () << "</textarea><br>\r\n<br>\r\n";
+
 		s << "<b>Base64:</b><br>\r\n<textarea readonly cols=\"80\" rows=\"8\">";
 		s << dest->GetIdentity ()->ToBase64 () << "</textarea><br>\r\n<br>\r\n";
+
 		if (dest->IsEncryptedLeaseSet ())
 		{
 			i2p::data::BlindedPublicKey blinded (dest->GetIdentity (), dest->IsPerClientAuth ());
@@ -605,6 +609,8 @@ namespace http {
 			}
 			s << "</tbody>\r\n</table>";
 		}
+		else
+			ShowError(s, tr("Such destination is not found"));
 	}
 
 	void ShowI2CPLocalDestination (std::stringstream& s, const std::string& id)
@@ -972,8 +978,16 @@ namespace http {
 	void ShowI2PTunnels (std::stringstream& s)
 	{
 		std::string webroot; i2p::config::GetOption("http.webroot", webroot);
+
+		auto& clientTunnels = i2p::client::context.GetClientTunnels ();
+		auto httpProxy = i2p::client::context.GetHttpProxy ();
+		auto socksProxy = i2p::client::context.GetSocksProxy ();
+		if (!clientTunnels.empty () || httpProxy || socksProxy)
+		{
 			s << "<b>" << tr("Client Tunnels") << ":</b><br>\r\n<div class=\"list\">\r\n";
-		for (auto& it: i2p::client::context.GetClientTunnels ())
+			if (!clientTunnels.empty ())
+			{
+				for (auto& it: clientTunnels)
 				{
 					auto& ident = it.second->GetLocalDestination ()->GetIdentHash();
 					s << "<div class=\"listitem\"><a href=\"" << webroot << "?page=" << HTTP_PAGE_LOCAL_DESTINATION << "&b32=" << ident.ToBase32 () << "\">";
@@ -981,7 +995,7 @@ namespace http {
 					s << i2p::client::context.GetAddressBook ().ToAddress(ident);
 					s << "</div>\r\n"<< std::endl;
 				}
-		auto httpProxy = i2p::client::context.GetHttpProxy ();
+			}
 			if (httpProxy)
 			{
 				auto& ident = httpProxy->GetLocalDestination ()->GetIdentHash();
@@ -990,7 +1004,6 @@ namespace http {
 				s << i2p::client::context.GetAddressBook ().ToAddress(ident);
 				s << "</div>\r\n"<< std::endl;
 			}
-		auto socksProxy = i2p::client::context.GetSocksProxy ();
 			if (socksProxy)
 			{
 				auto& ident = socksProxy->GetLocalDestination ()->GetIdentHash();
@@ -1000,6 +1013,7 @@ namespace http {
 				s << "</div>\r\n"<< std::endl;
 			}
 			s << "</div>\r\n";
+		}
 
 		auto& serverTunnels = i2p::client::context.GetServerTunnels ();
 		if (!serverTunnels.empty ()) {