itteco · nleush · Apr 20, 2026 · Apr 22, 2026 · Apr 24, 2026 · Apr 24, 2026
diff --git a/config.js b/config.js
@@ -367,7 +367,13 @@
             'ENET',
             'HPE_INVALID_',
             'ERR_SSL_'
-        ]
+        ],
+
+        GET_VARS_METHODS: {
+            'getSignals': 'signals',
+            'getPolicy': 'policy',
+            'getSources': 'sources'
+        }
     };
 
     // Providers config loader.

diff --git a/lib/core.js b/lib/core.js
@@ -458,13 +458,19 @@
                 // Use all generic plugins.
                 for(var i = 0; i < pluginsList.length; i++) {
                     var plugin = pluginsList[i];
-                    if (!plugin.domain && !plugin.custom) {
+                    if (!plugin.domain 
+                        && !plugin.custom 
+                        // dataMode - enables data plugins
+                        && (options.dataMode || !plugin.data)) {
+
                         var match = plugin.pluginReMatchesUrl(domain, uri);
                         if (match) {
                             pluginsUrlMatches[plugin.id] = match;
                         }
 
-                        // false - has re, no match.
+                        // match = result; - url matched plugin.re.
+                        // match = undefined; - domain has no plugin.re.
+                        // match = false - plugin has re, and no match.
                         if (match !== false) {
                             initialPlugins.push(plugin);
                         }
@@ -473,7 +479,7 @@
             }
 
             // In domain debug: add all plugins before domain plugins to make them low priority.
-            if (options.mixAllWithDomainPlugin) {
+            if (options.mixAllWithDomainPlugin || options.dataMode) {
                 addAllGeneric();
             }
 
@@ -513,6 +519,15 @@
                 addAllGeneric();
             }
 
+            function addOneMorePlugin(pluginId) {
+                var exists = initialPlugins.find(function(plugin) {
+                    return plugin.id === pluginId;
+                });
+                if (!exists) {
+                    initialPlugins.push(plugins[pluginId]);
+                }
+            }
+
             if (options.forceParams) {
                 // TODO: replace forEach
                 options.forceParams.forEach(function(param) {
@@ -525,13 +540,7 @@
 
                         for(var k = 0; k < paramPlugins.length; k++) {
                             var foundPluginId = paramPlugins[k];
-
-                            var exists = initialPlugins.find(function(plugin) {
-                                return plugin.id === foundPluginId;
-                            });
-                            if (!exists) {
-                                initialPlugins.push(plugins[foundPluginId]);
-                            }
+                            addOneMorePlugin(foundPluginId);
                         }
                     }
                 });
@@ -943,9 +952,20 @@
                             }
                         }
                     }
-                } else if (r.method.name === "getVars") {
-                    for(var key in r.data) {
-                        var v = r.data[key];
+                } else if (r.method.name === "getVars" || CONFIG.GET_VARS_METHODS && r.method.name in CONFIG.GET_VARS_METHODS) {
+
+                    var result_data = r.data;
+
+                    // Set specific alias as key.
+                    if (CONFIG.GET_VARS_METHODS && r.method.name in CONFIG.GET_VARS_METHODS) {
+                        var key = CONFIG.GET_VARS_METHODS[r.method.name];
+                        result_data = {
+                            [key]: r.data
+                        };
+                    }
+
+                    for(var key in result_data) {
+                        var v = result_data[key];
 
                         // TODO: work with arrays?
                         if (v !== '' && v !== null && ((typeof v === 'string' && !/^\s+$/.test(v)) || typeof v === 'number' || typeof v === 'object')) {

diff --git a/lib/loader/pluginLoader.js b/lib/loader/pluginLoader.js
@@ -370,6 +370,9 @@
             // Plugins in folder 'custom' or 'core' will be run only on explicit dependency.
             pluginDeclaration.custom = (bits.indexOf('custom') > -1 || bits.indexOf('system') > -1) && !plugin.generic;
 
+            // Plugins in folder 'data' will be run only in data_mode.
+            pluginDeclaration.data = bits.indexOf('data') > -1;
+
             var stat = fs.statSync(pluginPath);
             pluginDeclaration.modified = new Date(stat.mtime);
             pluginDeclaration.getPluginLastModifiedDate = getPluginLastModifiedDate;
@@ -665,6 +668,7 @@
                 await loadPlugins(pluginsRoot, 'custom');
                 await loadPlugins(pluginsRoot, 'links');
                 await loadPlugins(pluginsRoot, 'meta');
+                await loadPlugins(pluginsRoot, 'data');
                 await loadPlugins(pluginsRoot, 'templates');
 
                 // TODO: if has multiple modules_listing - CUSTOM_PLUGINS_PATH will be loaded multiple times.
@@ -674,6 +678,7 @@
                         await loadPlugins(CONFIG.CUSTOM_PLUGINS_PATH, 'custom');
                         await loadPlugins(CONFIG.CUSTOM_PLUGINS_PATH, 'links');
                         await loadPlugins(CONFIG.CUSTOM_PLUGINS_PATH, 'meta');
+                        await loadPlugins(CONFIG.CUSTOM_PLUGINS_PATH, 'data');
                         await loadPlugins(CONFIG.CUSTOM_PLUGINS_PATH, 'templates');
                     } else {
                         console.warn('Custom plugin folder "' + CONFIG.CUSTOM_PLUGINS_PATH + '" not found.');

diff --git a/lib/loader/utils.js b/lib/loader/utils.js
@@ -1,3 +1,5 @@
+    import CONFIG from '../../config.loader.js';
+
     export const DEFAULT_PARAMS = [
         "url",
         "urlMatch",
@@ -43,6 +45,12 @@
         "prepareLink"
     ];
 
+
+    // Adds vars methods to PLUGIN_METHODS` as `getSignals`.
+    CONFIG.GET_VARS_METHODS && Object.keys(CONFIG.GET_VARS_METHODS).forEach(methodName => {
+        PLUGIN_METHODS.push(methodName);
+    });
+
     export const PLUGIN_FIELDS = PLUGIN_METHODS.concat([
         "mixins"
     ]);
diff --git a/lib/utils.js b/lib/utils.js
@@ -105,6 +105,7 @@ export function prepareRequestOptions(request_options, options) {
                 }
             }
 
+            // Some calls (like oembed) use basic options without `getDomainOptions`.
             var enable_domain_prerender = options?.getDomainOptions && options.getDomainOptions('meta.prerender');
             if (enable_domain_prerender) {
                 setPrerender(enable_domain_prerender);

diff --git a/modules/api/views.js b/modules/api/views.js
@@ -137,6 +137,7 @@ export default function(app) {
                     debug: getBooleanParam(req, 'debug'),
                     returnProviderOptionsUsage: getBooleanParam(req, 'debug'),
                     mixAllWithDomainPlugin: getBooleanParam(req, 'mixAllWithDomainPlugin'),
+                    dataMode: getBooleanParam(req, 'dataMode'),
                     forceParams: req.query.meta === "true" ? CONFIG.DEBUG_CONTEXTS : null,
                     whitelist: getBooleanParam(req, 'whitelist'),
                     readability: getBooleanParam(req, 'readability'),

diff --git a/modules/debug/views.js b/modules/debug/views.js
@@ -10,12 +10,14 @@ export default function(app) {
             DEBUG = {"on":1, "true":1}[req.query.debug];
         }
 
-        res.render('debug',{
+        res.render('debug', {
             uri: req.query.uri,
             mixAllWithDomainPlugin: !!{"on":1, "true":1}[req.query.mixAllWithDomainPlugin],
+            dataMode: !!{"on":1, "true":1}[req.query.dataMode],
             refresh: !!{"on":1, "true":1}[req.query.refresh],
             DEBUG: DEBUG,
+            DATA_DEBUG_ENABLED: CONFIG.DATA_DEBUG_ENABLED,
             QUERY: getProviderOptionsQuery(req.query)
         });
     });
-};
+};
diff --git a/static/js/debug.js b/static/js/debug.js
@@ -252,6 +252,19 @@ function showEmbeds($embeds, data, filterByRel) {
 
             $meta.append('<tr>' + (DEBUG ? ('<td>' + pluginId + '</td><td></td>') : '') + '<td><strong>' + key + '</strong></td><td>' + linkify(data.meta[key]) + '</td></tr>')
         });
+        // Render "vars".
+        if (data.vars) {
+            metaKeys = Object.keys(data.vars);
+            metaKeys.forEach(function(key) {
+                if (key == "_sources") {
+                    return;
+                }
+                var pluginId = data.vars._sources && data.vars._sources[key] || '';
+                usedPlugins[pluginId] = true;
+
+                $meta.append('<tr>' + (DEBUG ? ('<td>' + pluginId + '</td><td></td>') : '') + '<td>vars: <strong>' + key + '</strong></td><td><pre>' + JSON.stringify(data.vars[key], null, 4) + '</pre></td></tr>')
+            });
+        }
         if (DEBUG && data.vary && data.vary.join) {
             $meta.append('<tr><td></td><td></td><td><strong>vary</strong></td><td>' + data.vary.join('<br>') + '</td></tr>')
         }
@@ -326,6 +339,7 @@ function processUrl() {
     var query = {
         debug: true,
         group: false,
+        dataMode: $('[name="dataMode"]').is(":checked"),
         mixAllWithDomainPlugin: $('[name="mixAllWithDomainPlugin"]').is(":checked"),
         refresh: $('[name="refresh"]').is(":checked")
     };

diff --git a/static/js/iframely.js b/static/js/iframely.js
@@ -151,6 +151,7 @@
             uri: !options.url ? uri : undefined,
             url: options.url ? uri : undefined,
             debug: options.debug,
+            dataMode: options.dataMode,
             mixAllWithDomainPlugin: options.mixAllWithDomainPlugin,
             refresh: options.refresh,
             meta: options.meta,

diff --git a/views/debug.ejs b/views/debug.ejs
@@ -47,6 +47,11 @@
                     <% if (DEBUG) { %>
                     <div class="control-group">
                         <div class="controls">
+                            <% if (DATA_DEBUG_ENABLED) { %>
+                            <label class="checkbox">
+                                <input type="checkbox" name="dataMode" <% if (dataMode) { %>checked="checked"<% } %>> Data mode <a href="/debug?uri=<%= encodeURIComponent(uri) || '' %>&dataMode=<%= !!!dataMode %>" target="_blank">or open in new window with opposite value</a>
+                            </label>
+                            <% } %>
                             <label class="checkbox">
                                 <input type="checkbox" name="mixAllWithDomainPlugin" <% if (mixAllWithDomainPlugin) { %>checked="checked"<% } %>> Debug with all plugins (disable specific mixins and mixin all available plugins) <a href="/debug?uri=<%= encodeURIComponent(uri) || '' %>&mixAllWithDomainPlugin=<%= !!!mixAllWithDomainPlugin %>" target="_blank">or open in new window with opposite value</a>
                             </label>
@@ -98,4 +103,4 @@
 </div>
 
 </body>
-</html>
+</html>