Add initial support for ThemePlugins

packages/node_modules/@node-red/editor-api/lib/admin/plugins.js

@@ -17,6 +17,10 @@ module.exports = {
             })
         } else {
             opts.lang = apiUtils.determineLangFromHeaders(req.acceptsLanguages());
+            if (/[^a-z\-\*]/i.test(opts.lang)) {
+                res.json({});
+                return;
+            }
             runtimeAPI.plugins.getPluginConfigs(opts).then(function(configs) {
                 res.send(configs);
             })
@@ -28,6 +32,10 @@ module.exports = {
             lang: req.query.lng,
             req: apiUtils.getRequestLogObject(req)
         }
+        if (/[^a-z\-\*]/i.test(opts.lang)) {
+            res.json({});
+            return;
+        }
         runtimeAPI.plugins.getPluginCatalogs(opts).then(function(result) {
             res.json(result);
         }).catch(function(err) {

packages/node_modules/@node-red/editor-api/lib/editor/index.js

@@ -76,7 +76,7 @@ module.exports = {
             editorApp.get("/icons/:scope/:module/:icon",ui.icon);
 
             var theme = require("./theme");
-            theme.init(settings);
+            theme.init(settings, runtimeAPI);
             editorApp.use("/theme",theme.app());
             editorApp.use("/",ui.editorResources);
 

packages/node_modules/@node-red/editor-api/lib/editor/theme.js

@@ -41,6 +41,10 @@ var theme = null;
 var themeContext = clone(defaultContext);
 var themeSettings = null;
 
+var activeTheme = null;
+var activeThemeInitialised = false;
+
+var runtimeAPI;
 var themeApp;
 
 function serveFile(app,baseUrl,file) {
@@ -58,7 +62,7 @@ function serveFile(app,baseUrl,file) {
     }
 }
 
-function serveFilesFromTheme(themeValue, themeApp, directory) {
+function serveFilesFromTheme(themeValue, themeApp, directory, baseDirectory) {
     var result = [];
     if (themeValue) {
         var array = themeValue;
@@ -67,7 +71,14 @@ function serveFilesFromTheme(themeValue, themeApp, directory) {
         }
 
         for (var i=0;i<array.length;i++) {
-            var url = serveFile(themeApp,directory,array[i]);
+            let fullPath = array[i];
+            if (baseDirectory) {
+                fullPath = path.resolve(baseDirectory,array[i]);
+                if (fullPath.indexOf(baseDirectory) !== 0) {
+                    continue;
+                }
+            }
+            var url = serveFile(themeApp,directory,fullPath);
             if (url) {
                 result.push(url);
             }
@@ -77,10 +88,12 @@ function serveFilesFromTheme(themeValue, themeApp, directory) {
 }
 
 module.exports = {
-    init: function(settings) {
+    init: function(settings, _runtimeAPI) {
+        runtimeAPI = _runtimeAPI;
         themeContext = clone(defaultContext);
         themeSettings = null;
         theme = settings.editorTheme || {};
+        activeTheme = theme.theme;
     },
 
     app: function() {
@@ -169,7 +182,9 @@ module.exports = {
                 }
             }
         }
-        themeApp.get("/", function(req,res) {
+        themeApp.get("/", async function(req,res) {
+            const themePluginList = await runtimeAPI.plugins.getPluginsByType({type:"node-red-theme"});
+            themeContext.themes = themePluginList.map(theme => theme.id);
             res.json(themeContext);
         })
 
@@ -185,10 +200,38 @@ module.exports = {
             themeSettings.projects = theme.projects;
         }
 
-
+        if (theme.theme) {
+            themeSettings.theme = theme.theme;
+        }
         return themeApp;
     },
-    context: function() {
+    context: async function() {
+        if (activeTheme && !activeThemeInitialised) {
+            const themePlugin = await runtimeAPI.plugins.getPlugin({
+                id:activeTheme
+            });
+            if (themePlugin) {
+                if (themePlugin.css) {
+                    const cssFiles = serveFilesFromTheme(
+                        themePlugin.css,
+                        themeApp,
+                        "/css/",
+                        themePlugin.path
+                    );
+                    themeContext.page.css = cssFiles.concat(themeContext.page.css || [])
+                }
+                if (themePlugin.scripts) {
+                    const scriptFiles = serveFilesFromTheme(
+                        themePlugin.scripts,
+                        themeApp,
+                        "/scripts/",
+                        themePlugin.path
+                    )
+                    themeContext.page.scripts = scriptFiles.concat(themeContext.page.scripts || [])
+                }
+            }
+            activeThemeInitialised = true;
+        }
         return themeContext;
     },
     settings: function() {

packages/node_modules/@node-red/editor-api/lib/editor/ui.js

@@ -68,8 +68,8 @@ module.exports = {
             apiUtils.rejectHandler(req,res,err);
         })
     },
-    editor: function(req,res) {
-        res.send(Mustache.render(editorTemplate,theme.context()));
+    editor: async function(req,res) {
+        res.send(Mustache.render(editorTemplate,await theme.context()));
     },
     editorResources: express.static(path.join(editorClientDir,'public'))
 };