feature (url): support for .url files

config/mime.json

@@ -160,6 +160,7 @@
 	"tk": "application/x-tcl",
 	"ts": "text/plain",
 	"txt": "text/plain",
+	"url": "application/x-url",
 	"vcf": "text/vcard",
 	"vrml": "application/x-vrml",
 	"war": "application/java-archive",

public/assets/pages/ctrl_viewerpage.js

@@ -39,6 +39,8 @@ function loadModule(appName) {
         return import("./viewerpage/application_iframe.js");
     case "map":
         return import("./viewerpage/application_map.js");
+    case "url":
+        return import("./viewerpage/application_url.js");
     default:
         throw new ApplicationError("Internal Error", `Unknown opener app "${appName}" at "${getCurrentPath()}"`);
     }

public/assets/pages/viewerpage/application_url.js

@@ -0,0 +1,31 @@
+import { createElement, navigate } from "../../lib/skeleton/index.js";
+import rxjs, { effect } from "../../lib/rx.js";
+import { ApplicationError } from "../../lib/error.js";
+import { createLoader } from "../../components/loader.js";
+import ctrlError from "../ctrl_error.js";
+import { cat } from "./model_files.js";
+
+export default function(render) {
+    const $page = createElement(`
+        <div class="component_urlopener" style="background: #52565911;"></div>
+    `);
+    render($page);
+    createLoader($page);
+
+    effect(cat().pipe(
+        rxjs.tap((content) => {
+            const url = content.replace(/[\s\S]*(https?:\/\/\S+)[\s\S]*/, "$1");
+            try {
+                const u = new URL(url);
+                if (u.host === location.host) {
+                    navigate(u.href.replace(u.origin, ""));
+                    return;
+                }
+                location.href = url;
+            } catch(err) {
+                throw new ApplicationError("Not Valid", err);
+            }
+        }),
+        rxjs.catchError(ctrlError()),
+    ));
+}

public/assets/pages/viewerpage/mimetype.js

@@ -32,6 +32,8 @@ export function opener(file = "", mimes) {
         return ["ebook", { mime }];
     } else if (type === "model" || ["application/object", "application/fbx"].indexOf(mime) !== -1) {
         return ["3d", { mime }];
+    } else if (mime === "application/x-url") {
+        return ["url", { mime }];
     } else if (type === "application") {
         return ["download", { mime }];
     }