WebSockets: compatibility fixes for Windows

Escape path strings in surfaces.json
Default to index.html in mount points

libs/surfaces/websockets/manifest.cc

@@ -16,7 +16,6 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <iomanip>
 #include <iostream>
 #include <sstream>
 
@@ -26,6 +25,7 @@
 #include "pbd/xml++.h"
 
 #include "manifest.h"
+#include "resources.h"
 
 static const char* const manifest_filename = "manifest.xml";
 
@@ -77,9 +77,9 @@ SurfaceManifest::to_json ()
 
 	ss << "{"
 		<< "\"path\":\"" << Glib::path_get_basename (_path) << "\""
-		<< ",\"name\":\"" << escape_json (_name) << "\""
-		<< ",\"description\":\"" << escape_json (_description) << "\""
-		<< ",\"version\":\"" << escape_json (_version) << "\""
+		<< ",\"name\":\"" << ServerResources::escape_json (_name) << "\""
+		<< ",\"description\":\"" << ServerResources::escape_json (_description) << "\""
+		<< ",\"version\":\"" << ServerResources::escape_json (_version) << "\""
 		<< "}";
 
 	return ss.str ();
@@ -91,20 +91,3 @@ SurfaceManifest::exists_at_path (std::string path)
 	std::string xml_path = Glib::build_filename (path, manifest_filename);
 	return Glib::file_test (xml_path, Glib::FILE_TEST_EXISTS);
 }
-
-/* adapted from https://stackoverflow.com/questions/7724448/simple-json-string-escape-for-c
-   CC BY-SA 4.0 license */
-std::string
-SurfaceManifest::escape_json (const std::string &s) {
-    std::ostringstream o;
-
-    for (std::string::const_iterator it = s.begin(); it != s.end(); ++it) {
-        if (*it == '"' || *it == '\\' || ('\x00' <= *it && *it <= '\x1f')) {
-            o << "\\u" << std::hex << std::setw (4) << std::setfill ('0') << static_cast<int>(*it);
-        } else {
-            o << *it;
-        }
-    }
-    
-    return o.str ();
-}

libs/surfaces/websockets/manifest.h

@@ -37,7 +37,6 @@ public:
 	std::string to_json ();
 
 	static bool exists_at_path (std::string);
-	static std::string escape_json (const std::string&);
 
 private:
 	bool _valid;

libs/surfaces/websockets/resources.cc

@@ -16,6 +16,7 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include <iomanip>
 #include <iostream>
 #include <sstream>
 
@@ -45,6 +46,23 @@ ServerResources::ServerResources ()
 {
 }
 
+/* adapted from https://stackoverflow.com/questions/7724448/simple-json-string-escape-for-c
+   CC BY-SA 4.0 license */
+std::string
+ServerResources::escape_json (const std::string &s) {
+    std::ostringstream o;
+
+    for (std::string::const_iterator it = s.begin(); it != s.end(); ++it) {
+        if (*it == '"' || *it == '\\' || ('\x00' <= *it && *it <= '\x1f')) {
+            o << "\\u" << std::hex << std::setw (4) << std::setfill ('0') << static_cast<int>(*it);
+        } else {
+            o << *it;
+        }
+    }
+    
+    return o.str ();
+}
+
 const std::string&
 ServerResources::index_dir ()
 {
@@ -84,8 +102,8 @@ ServerResources::scan ()
 	SurfaceManifestVector builtin = read_manifests (builtin_dir_str);
 
 	ss << "[{"
-		<< "\"filesystemPath\":\"" << builtin_dir_str << "\""
-		<< ",\"path\":\"" << builtin_dir_name << "\""
+		<< "\"filesystemPath\":\"" << escape_json (builtin_dir_str) << "\""
+		<< ",\"path\":\"" << escape_json (builtin_dir_name) << "\""
 		<< ",\"surfaces\":"
 		<< "[";
 
@@ -100,8 +118,8 @@ ServerResources::scan ()
 	SurfaceManifestVector user = read_manifests (user_dir_str);
 
 	ss << "]},{" 
-		<< "\"filesystemPath\":\"" << user_dir_str << "\""
-		<< ",\"path\":\"" << user_dir_name << "\"" 
+		<< "\"filesystemPath\":\"" << escape_json(user_dir_str) << "\""
+		<< ",\"path\":\"" << escape_json(user_dir_name) << "\"" 
 		<< ",\"surfaces\":" 
 		<< "[";
 

libs/surfaces/websockets/resources.h

@@ -30,6 +30,8 @@ class ServerResources
 {
 public:
 	ServerResources ();
+	
+	static std::string escape_json (const std::string&);
 
 	const std::string& index_dir ();
 	const std::string& builtin_dir ();

libs/surfaces/websockets/server.cc

@@ -69,21 +69,18 @@ WebsocketsServer::WebsocketsServer (ArdourSurface::ArdourWebsockets& surface)
 	memset (&_lws_mnt_root, 0, sizeof (lws_http_mount));
 	_lws_mnt_root.mountpoint       = "/";
 	_lws_mnt_root.mountpoint_len   = strlen (_lws_mnt_root.mountpoint);
-	_lws_mnt_root.origin_protocol  = LWSMPRO_FILE;
 	_lws_mnt_root.origin           = _resources.index_dir ().c_str ();
+	_lws_mnt_root.origin_protocol  = LWSMPRO_FILE;
+	_lws_mnt_root.def              = "index.html";
 	_lws_mnt_root.cache_max_age    = 3600;
 	_lws_mnt_root.cache_reusable   = 1;
 	_lws_mnt_root.cache_revalidate = 1;
 
 	/* user defined surfaces in the user config directory */
-	memset (&_lws_mnt_user, 0, sizeof (lws_http_mount));
+	memcpy (&_lws_mnt_user, &_lws_mnt_root, sizeof (lws_http_mount));
 	_lws_mnt_user.mountpoint       = "/user";
 	_lws_mnt_user.mountpoint_len   = strlen (_lws_mnt_user.mountpoint);
-	_lws_mnt_user.origin_protocol  = LWSMPRO_FILE;
 	_lws_mnt_user.origin           = _resources.user_dir ().c_str ();
-	_lws_mnt_user.cache_max_age    = 3600;
-	_lws_mnt_user.cache_reusable   = 1;
-	_lws_mnt_user.cache_revalidate = 1;
 
 	_lws_mnt_root.mount_next = &_lws_mnt_user;