Install scripts, build app with rollup & configurable mirror app id

.gitignore

@@ -3,3 +3,6 @@ dist/
 app/node_modules/
 ext/node_modules/
 test/ChromeProfile/
+.idea/
+*.iml
+.DS_Store

README.md

@@ -30,14 +30,9 @@ Only tested on Linux. mDNS library issue to be fixed. `mdns` only works on Windo
 git clone https://github.com/hensm/caster.git
 npm install
 npm run build
+npm run install-manifest
 ````
 
-Installer scripts aren't written yet, so registering the native messaging manifest with Firefox and specifiying the path must be done manually:  
-[MDN: Native Manifests](https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Native_manifests)
-
-`path` key within `app/caster_bridge.json` must be set to absolute path of `app/src/launcher.sh` or `app/src/launcher.bat`. Then, the manifest must be either moved to the correct location or the path added to the registry (Windows):  
-[MDN: Native Manifests # Manifest location](https://developer.mozilla.org/en-US/Add-ons/WebExtensions/Native_manifests#Manifest_location)
-
 ### Testing
 
 Testing requires geckodriver (or chromedriver for Chrome parity testing). See [selenium-webdriver](https://www.npmjs.com/package/selenium-webdriver#installation) installation instructions (ignore `npm install`).

app/.babelrc

@@ -0,0 +1,18 @@
+{
+    "presets": [
+        [
+            "@babel/preset-env"
+          , {
+                "targets": {
+                    "node": "current"
+                }
+            }
+        ]
+    ],
+    "plugins": [
+        "@babel/plugin-syntax-dynamic-import"
+      , "@babel/plugin-syntax-import-meta"
+      , "@babel/plugin-proposal-class-properties"
+      , "@babel/plugin-proposal-json-strings"
+    ]
+}

app/install.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-# TODO

app/package.json

@@ -1,6 +1,38 @@
 {
-	"dependencies": {
+        "name": "fx_cast_bridge",
-		"castv2": "^0.1.9",
+        "license": "MIT",
-		"mdns-js": "^1.0.1"
+        "version": "0.1.0-alpha1",
-	}
+        "scripts": {
+                "build": "node scripts/build.js",
+                "install-manifest": "node scripts/install-manifest.js",
+                "start-debug": "node scripts/start-debug.js",
+                "start": "node dist/app.js"
+        },
+        "dependencies": {
+                "@babel/runtime": "^7.0.0",
+                "castv2": "^0.1.9",
+                "mdns-js": "^1.0.1",
+                "mkdirp": "^0.5.1"
+        },
+        "devDependencies": {
+                "@babel/core": "^7.0.0",
+                "@babel/plugin-proposal-class-properties": "^7.0.0",
+                "@babel/plugin-proposal-json-strings": "^7.0.0",
+                "@babel/plugin-syntax-dynamic-import": "^7.0.0",
+                "@babel/plugin-syntax-import-meta": "^7.0.0",
+                "@babel/plugin-transform-runtime": "^7.0.0",
+                "@babel/preset-env": "^7.0.0",
+                "@babel/register": "^7.0.0",
+                "magic-string": "^0.25.0",
+                "minimist": "^1.2.0",
+                "rollup": "^0.66.0",
+                "rollup-plugin-babel": "^4.0.3",
+                "rollup-plugin-commonjs": "^9.1.3",
+                "rollup-plugin-json": "^3.1.0",
+                "rollup-plugin-node-builtins": "^2.1.2",
+                "rollup-plugin-node-resolve": "^3.4.0"
+        },
+        "optionalDependencies": {
+                "regedit": "^3.0.0"
+        }
 }

app/rollup/no-memcpy-plugin.js

@@ -0,0 +1,34 @@
+import MagicString from 'magic-string';
+
+const MEMCPY_REQUIRE_STRING = 'require("memcpy")';
+const REPLACEMENT_STRING = 'null';
+
+// We're doing this because memcpy is an optional dependency of ByteBufferNB,
+// but Rollup doesn't understand optional dependencies and tries to use it.
+// We can't simply use memcpy, because it has native code for older versions of
+// Node and no longer builds!
+export default (variant) => {
+    let mainId = null;
+
+    return {
+        name: 'no-memcpy-plugin'
+      , transform: (code, id) => {
+            if (id.endsWith('ByteBufferNB.js')) {
+                const start = code.indexOf(MEMCPY_REQUIRE_STRING);
+
+                if (start >= 0) {
+                    const magicString = new MagicString(code);
+                    const end = start + MEMCPY_REQUIRE_STRING.length;
+                    magicString.overwrite(start, end, REPLACEMENT_STRING);
+
+                    return {
+                        code: magicString.toString()
+                      , map: magicString.generateMap()
+                    };
+                }
+            }
+
+            return null;
+        }
+    }
+}

app/rollup/rollup.config.js

@@ -0,0 +1,56 @@
+import { resolve } from 'path'
+
+import babel from 'rollup-plugin-babel'
+import builtins from 'rollup-plugin-node-builtins'
+import commonjs from 'rollup-plugin-commonjs'
+import json from 'rollup-plugin-json'
+import nodeResolve from 'rollup-plugin-node-resolve'
+
+import noMemcpy from './no-memcpy-plugin'
+
+export default options => {
+    // TODO: Enabling this option presently doesn't work because castv2 proto
+    // files aren't bundled, can be fixed with a couple of plugins
+    const external = options.dependencies ? () => false : (id, parentId) => {
+        if (!parentId) {
+            return true;
+        }
+
+        return !!id.match(/^[^./].+$/)
+            || resolve(parentId, '..', id).includes('/node_modules/');
+    };
+
+    return {
+        external
+      , input: './src/js/main.js'
+      , plugins: [
+            noMemcpy()
+          , babel({
+                exclude: [
+                    'node_modules/**'
+                ]
+              , runtimeHelpers: true
+            })
+          , json()
+          , builtins()
+          , nodeResolve({
+                module: true
+              , jsnext: true
+              , main: true
+              , browser: false
+            })
+          , commonjs({
+                // Protobuf detects itself running in Node by attempting to
+				// require fs, so we better allow it...
+                ignore: ['fs']
+            })
+        ]
+      , output: [
+            {
+                file: resolve(__dirname, '../../dist/app/app.js')
+              , format: 'cjs'
+              , sourcemap: options.sourcemap || false
+            }
+        ]
+    };
+}

app/scripts/build.js

@@ -0,0 +1,48 @@
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+
+require('@babel/register');
+
+const argv = require('minimist')(process.argv.slice(2));
+const rollup = require('rollup');
+
+const config = require('../rollup/rollup.config').default;
+
+const MANIFEST_NAME = 'fx_cast_bridge.json';
+
+async function build() {
+    const {path: executablePath, platform, ...configOptions} = argv;
+
+    const {output: bundleOutputs, ...bundleOptions} = config(configOptions);
+    const bundle = await rollup.rollup(bundleOptions);
+
+    for (const output of bundleOutputs) {
+        await bundle.write(output);
+        fs.chmodSync(output.file, '755');
+    }
+
+    const targetPlatform = platform || os.type();
+    const launcherExt = targetPlatform.toLowerCase().startsWith('win')
+            ? 'bat'
+            : 'sh';
+    const launcherName = `launcher.${launcherExt}`;
+    const launcherPath = path.join(__dirname, '../../dist', launcherName);
+
+    fs.copyFileSync(path.join(`src`, launcherName), launcherPath);
+
+    const manifest = {
+        ...(JSON.parse(fs.readFileSync(`src/${MANIFEST_NAME}`, 'utf8')))
+      , path: (executablePath || path.resolve(launcherPath))
+    };
+
+    fs.writeFileSync(
+        path.join('../dist/app', MANIFEST_NAME)
+      , JSON.stringify(manifest, null, 4)
+    );
+}
+
+build().catch(e => {
+    console.log("Build failed", e);
+    process.exit(1);
+});

app/scripts/install-manifest.js

@@ -0,0 +1,69 @@
+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+
+const argv = require('minimist')(process.argv.slice(2));
+const mkdirpSync = require('mkdirp').sync;
+
+const MANIFEST_NAME = 'fx_cast_bridge.json';
+const MANIFEST_PATH = path.resolve(__dirname, '../../dist/app', MANIFEST_NAME);
+
+const WIN_REGISTRY_KEY = 'fx_cast_bridge';
+
+let destination = argv.destination;
+
+switch (os.type()) {
+    case 'Darwin': {
+        if (!destination) {
+            const root = argv.root || process.env.HOME;
+            destination = path.resolve(
+                path.join(
+                    root
+                  , 'Library/Application Support/Mozilla/NativeMessagingHosts'
+                )
+            );
+        }
+
+        break;
+    }
+
+    case 'Linux': {
+        if (!destination) {
+            const root = argv.root || `${process.env.HOME}/.`;
+            destination = root.endsWith('/.')
+                ? `${root}mozilla/native-messaging-hosts/`
+                : path.join(root, 'mozilla/native-messaging-hosts/');
+        }
+
+        break;
+    }
+
+    case 'Windows_NT': {
+        const regedit = require('regedit');
+        const destinationManifestPath = path.join(destination, MANIFEST_NAME)
+            || MANIFEST_PATH;
+
+        regedit.putValue({
+            'HKEY_CURRENT_USER\\SOFTWARE\\Mozilla\\NativeMessagingHosts': {
+                [WIN_REGISTRY_KEY]: {
+                    value: destinationManifestPath
+                  , type: 'REG_DEFAULT'
+                }
+            }
+        });
+
+        break;
+    }
+
+    default:
+        console.error('Sorry, this installer does not yet support your OS');
+        process.exit(1);
+}
+
+if (destination) {
+    mkdirpSync(destination);
+    fs.copyFileSync(
+        MANIFEST_PATH
+      , path.join(destination, MANIFEST_NAME)
+    );
+}

app/scripts/start-debug.js

@@ -0,0 +1,21 @@
+require('@babel/register')({
+    presets: [
+        [
+            "@babel/preset-env"
+          , {
+                targets: {
+                    node: "current"
+                }
+            }
+        ]
+    ]
+  , plugins: [
+        "@babel/plugin-transform-runtime"
+      , "@babel/plugin-syntax-dynamic-import"
+      , "@babel/plugin-syntax-import-meta"
+      , "@babel/plugin-proposal-class-properties"
+      , "@babel/plugin-proposal-json-strings"
+    ]
+});
+
+require('../src/js/main');

app/src/fx_cast_bridge.json

@@ -4,4 +4,4 @@
   , "path": ""
   , "type": "stdio"
   , "allowed_extensions": [ "fx_cast@matt.tf" ]
-}
+}

app/src/js/transforms.js

@@ -1,107 +1,107 @@
-"use strict";
+"use strict";
-
+
-const { Transform } = require("stream");
+const { Transform } = require("stream");
-
+
-
+
-/**
+/**
- * Takes a handler function that implements the transform
+ * Takes a handler function that implements the transform
- * and calls the transform callback.
+ * and calls the transform callback.
- */
+ */
-const response = (handler) => new Transform({
+const response = (handler) => new Transform({
-    readableObjectMode: true
+    readableObjectMode: true
-  , writableObjectMode: true
+  , writableObjectMode: true
-
+
-  , transform (chunk, encoding, callback) {
+  , transform (chunk, encoding, callback) {
-
+
-        Promise.resolve(handler(chunk, callback))
+        Promise.resolve(handler(chunk, callback))
-            .then(response => {
+            .then(response => {
-                if (response) {
+                if (response) {
-                    callback(null, response);
+                    callback(null, response);
-                } else {
+                } else {
-                    callback(null);
+                    callback(null);
-                }
+                }
-            });
+            });
-    }
+    }
-});
+});
-
+
-
+
-/**
+/**
- * Takes input, decodes the message string, parses as JSON
+ * Takes input, decodes the message string, parses as JSON
- * and outputs the parsed result.
+ * and outputs the parsed result.
- */
+ */
-const decode = new Transform({
+const decode = new Transform({
-    readableObjectMode: true
+    readableObjectMode: true
-
+
-  , transform (chunk, encoding, callback) {
+  , transform (chunk, encoding, callback) {
-        // Setup persistent data
+        // Setup persistent data
-        if (!this.hasOwnProperty("buf")
+        if (!this.hasOwnProperty("buf")
-                && !this.hasOwnProperty("message_length")) {
+                && !this.hasOwnProperty("message_length")) {
-
+
-            this.buf = new Buffer(0);
+            this.buf = new Buffer(0);
-            this.message_length = null;
+            this.message_length = null;
-        }
+        }
-
+
-        // Append next chunk to buffer
+        // Append next chunk to buffer
-        this.buf = Buffer.concat([ this.buf, chunk ]);
+        this.buf = Buffer.concat([ this.buf, chunk ]);
-
+
-        while (true) {
+        while (true) {
-            if (this.message_length === null) {
+            if (this.message_length === null) {
-                if (this.buf.length >= 4) {
+                if (this.buf.length >= 4) {
-
+
-                    // Read message length
+                    // Read message length
-                    this.message_length = this.buf.readUInt32LE(0);
+                    this.message_length = this.buf.readUInt32LE(0);
-
+
-                    // Offset buffer
+                    // Offset buffer
-                    this.buf = this.buf.slice(4);
+                    this.buf = this.buf.slice(4);
-
+
-                    continue;
+                    continue;
-                }
+                }
-            } else {
+            } else {
-                if (this.buf.length >= this.message_length) {
+                if (this.buf.length >= this.message_length) {
-                    const message = JSON.parse(this.buf.slice(
+                    const message = JSON.parse(this.buf.slice(
-                            0, this.message_length));
+                            0, this.message_length));
-
+
-                    this.push(message);
+                    this.push(message);
-
+
-                    // Cleanup persistent data
+                    // Cleanup persistent data
-                    this.buf = this.buf.slice(this.message_length);
+                    this.buf = this.buf.slice(this.message_length);
-                    this.message_length = null;
+                    this.message_length = null;
-
+
-                    // Parse next message
+                    // Parse next message
-                    continue;
+                    continue;
-                }
+                }
-            }
+            }
-
+
-            // No complete messages left
+            // No complete messages left
-            callback();
+            callback();
-            break;
+            break;
-        }
+        }
-    }
+    }
-});
+});
-
+
-
+
-/**
+/**
- * Takes input, encodes the message length and content and
+ * Takes input, encodes the message length and content and
- * outputs the encoded result.
+ * outputs the encoded result.
- */
+ */
-const encode = new Transform({
+const encode = new Transform({
-    writableObjectMode: true
+    writableObjectMode: true
-
+
-  , transform (chunk, encoding, callback) {
+  , transform (chunk, encoding, callback) {
-        const message_length = new Buffer(4);
+        const message_length = new Buffer(4);
-        const message = new Buffer(JSON.stringify(chunk));
+        const message = new Buffer(JSON.stringify(chunk));
-
+
-        // Write message length
+        // Write message length
-        message_length.writeUInt32LE(message.length, 0);
+        message_length.writeUInt32LE(message.length, 0);
-
+
-        // Output joined message length and content
+        // Output joined message length and content
-        callback(null, Buffer.concat([message_length, message]));
+        callback(null, Buffer.concat([message_length, message]));
-    }
+    }
-});
+});
-
+
-
+
-module.exports = {
+export {
-    response
+    response
-  , decode
+  , decode
-  , encode
+  , encode
-};
+};

app/src/launcher.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
-
+BASEDIR=$(dirname $0)
-AVAHI_COMPAT_NOWARN=1 node main.js
+PATH=/usr/local/bin:$PATH
-
+AVAHI_COMPAT_NOWARN=1 node $BASEDIR/app.js

app/uninstall.sh

@@ -1,3 +0,0 @@
-#!/bin/sh
-
-# TODO

ext/build.js

@@ -0,0 +1,20 @@
+const spawn = require('child_process').spawn;
+const argv = require('minimist')(process.argv.slice(2));
+
+const appId = argv.appId || "19A6F4AE";
+
+const child = spawn(
+    `webpack --env.appId=${appId} `
+        + '&& web-ext build '
+            + '--overwrite-dest '
+            + '--source-dir '
+            + '../dist/ext/unpacked '
+            + '--artifacts-dir '
+            + '../dist/ext '
+        + '&& mv ../dist/ext/*.zip ../dist/ext/ext.xpi'
+  , {
+        shell: true
+    }
+);
+child.stdout.pipe(process.stdout);
+child.stderr.pipe(process.stderr);

ext/package.json

@@ -1,6 +1,6 @@
 {
     "scripts": {
-        "build": "webpack && web-ext build --overwrite-dest --source-dir ../dist/unpacked --artifacts-dir ../dist && mv ../dist/*.zip ../dist/ext.xpi",
+        "build": "node build.js",
         "watch": "webpack -d --watch"
     },
     "devDependencies": {
@@ -12,6 +12,7 @@
         "babel-preset-env": "^1.6.1",
         "babel-preset-react": "^6.24.1",
         "copy-webpack-plugin": "^4.3.1",
+        "minimist": "^1.2.0",
         "react": "^16.2.0",
         "react-dom": "^16.2.0",
         "web-ext": "^2.7.0",

ext/src/main.js

@@ -70,7 +70,7 @@ browser.webRequest.onBeforeRequest.addListener(
                       , frameId: details.frameId
                       , runAt: "document_start"
                     });
-                    
+
                     return {
                         redirectUrl: browser.runtime.getURL("shim/bundle.js")
                     };
@@ -148,7 +148,7 @@ browser.menus.onClicked.addListener(async (info, tab) => {
             mirrorCastFrameId = frameId;
 
             await browser.tabs.executeScript(tab.id, {
-                code: `const selectedMedia = "${info.pageUrl ? "tab" : "screen"}";`
+                code: `let selectedMedia = "${info.pageUrl ? "tab" : "screen"}";`
               , frameId
             });
 
@@ -192,8 +192,30 @@ const bridgeMap = new Map();
  * forwarding.
  */
 function initBridge (tabId, frameId) {
+    const existingPort = bridgeMap.get(tabId);
+
+    if (existingPort) {
+        existingPort.disconnect();
+        bridgeMap.delete(tabId);
+    }
+
     const port = browser.runtime.connectNative("fx_cast_bridge");
-    bridgeMap.set(tabId, port);
+
+    if (port.error) {
+        console.error("Failed connect to fx_cast_bridge:", port.error.message);
+    } else {
+        bridgeMap.set(tabId, port);
+    }
+
+    port.onDisconnect.addListener(p => {
+        if (p.error) {
+            console.error("fx_cast_bridge disconnected:", p.error.message);
+        } else {
+            console.log("fx_cast_bridge disconnected");
+        }
+
+        bridgeMap.delete(tabId);
+    });
 
     port.onMessage.addListener(message => {
         // Forward shim: messages

ext/src/mirroringCast.js

@@ -3,7 +3,9 @@
 let chrome;
 let logMessage;
 
-const FX_CAST_RECEIVER_APP_ID = "19A6F4AE";
+const FX_CAST_RECEIVER_APP_ID = typeof MIRROR_CAST_APP_ID !== "undefined"
+    ? MIRROR_CAST_APP_ID
+    : "19A6F4AE";
 const FX_CAST_NAMESPACE = "urn:x-cast:fx_cast";
 
 let session;

ext/webpack.config.js

@@ -6,9 +6,9 @@ const webpack_copy = require("copy-webpack-plugin");
 
 
 const include_path = path.resolve(__dirname, "src");
-const output_path  = path.resolve(__dirname, "../dist/unpacked");
+const output_path  = path.resolve(__dirname, "../dist/ext/unpacked");
 
-module.exports = {
+module.exports = (env) => ({
     entry: {
         "main"           : `${include_path}/main.js`
       , "popup/bundle"   : `${include_path}/popup/index.js`
@@ -28,6 +28,7 @@ module.exports = {
       //, new webpack.optimize.CommonsChunkPlugin("lib/init.bundle")
         new webpack.DefinePlugin({
             "process.env.NODE_ENV": `"production"`
+          , "MIRROR_CAST_APP_ID": JSON.stringify(env.appId.toString() || "19A6F4AE")
         })
 
         // Ext copy assets
@@ -37,7 +38,7 @@ module.exports = {
           , ignore: [ "*.js" ]
         }])
     ]
-  , devtool: "source-map"
+  , devtool: "eval-source-map"
   , module: {
         loaders: [
             {
@@ -55,4 +56,4 @@ module.exports = {
             }
         ]
     }
-};
+});

package-lock.json

@@ -0,0 +1,258 @@
+{
+    "requires": true,
+    "lockfileVersion": 1,
+    "dependencies": {
+        "balanced-match": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+            "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+            "dev": true
+        },
+        "brace-expansion": {
+            "version": "1.1.11",
+            "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+            "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+            "dev": true,
+            "requires": {
+                "balanced-match": "^1.0.0",
+                "concat-map": "0.0.1"
+            }
+        },
+        "concat-map": {
+            "version": "0.0.1",
+            "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+            "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+            "dev": true
+        },
+        "core-js": {
+            "version": "2.3.0",
+            "resolved": "https://registry.npmjs.org/core-js/-/core-js-2.3.0.tgz",
+            "integrity": "sha1-+rg/uwstjchfpjbEudNMdUIMbWU=",
+            "dev": true
+        },
+        "core-util-is": {
+            "version": "1.0.2",
+            "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+            "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+            "dev": true
+        },
+        "es6-promise": {
+            "version": "3.0.2",
+            "resolved": "http://registry.npmjs.org/es6-promise/-/es6-promise-3.0.2.tgz",
+            "integrity": "sha1-AQ1YWEI6XxGJeWZfRkhqlcbuK7Y=",
+            "dev": true
+        },
+        "fs.realpath": {
+            "version": "1.0.0",
+            "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+            "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+            "dev": true
+        },
+        "glob": {
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+}

package.json

@@ -3,8 +3,9 @@
         "postinstall": "npm run postinstall:app && npm run postinstall:ext",
         "postinstall:app": "npm install ./app --prefix ./app",
         "postinstall:ext": "npm install ./ext --prefix ./ext",
-        "build": "npm run build --prefix ./ext",
+        "build": "npm run build --prefix ./app && npm run build --prefix ./ext --",
-        "test": "jasmine --config=jasmine.json"
+        "test": "jasmine --config=jasmine.json",
+        "install-manifest": "npm run install-manifest --prefix ./app"
     },
     "devDependencies": {
         "jasmine": "^3.1.0",