Merge branch 'sorenisanerd:master' into master

.github/workflows/pre-release.yaml

@@ -0,0 +1,36 @@
+---
+name: "pre-release"
+
+on:
+  push:
+    branches:
+      - "master"
+
+jobs:
+  pre-release-docker:
+    name: "Pre Release Docker"
+    runs-on: "ubuntu-latest"
+
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+
+    - uses: docker/setup-qemu-action@v1
+
+    - uses: docker/setup-buildx-action@v1
+
+    - uses: docker/login-action@v1
+      with:
+        username: "${{ secrets.DOCKER_HUB_USER }}"
+        password: "${{ secrets.DOCKER_HUB_TOKEN }}"
+
+    - name: "Build and push docker image"
+      uses: docker/build-push-action@v2
+      with:
+        context: .
+        file: ./Dockerfile
+        platforms: linux/amd64,linux/arm/v7,linux/arm64
+        push: true
+        tags: "${{ secrets.DOCKER_REPO }}:latest"

.vscode/extensions.json

@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "amodio.tsl-problem-matcher"
+    ]
+}

.vscode/launch.json

@@ -7,10 +7,21 @@
         {
             "name": "Launch GoTTY",
             "type": "go",
+            "buildFlags": "-tags=dev",
             "request": "launch",
             "mode": "debug",
             "program": "${workspaceFolder}",
-            "args": ["-a", "127.0.0.1", "-w", "bash"]
+            "args": ["-a", "127.0.0.1", "-w", "${env:SHELL}"]
-        }
+        },
+        {
+            "name": "Launch Chrome",
+            "type": "chrome",
+            "url": "http://127.0.0.1:8080",
+            "webRoot": "${workspaceFolder}/js",
+            "outFiles": [
+                "${workspaceFolder}/**/*.js",
+                "!**/node_modules/**"
+            ],
+        },
     ]
 }

.vscode/tasks.json

@@ -0,0 +1,16 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "webpack watch",
+            "type": "shell",
+            "command": "cd ${workspaceFolder}/js;DEV=1 npx webpack --watch --mode=development",
+            "problemMatcher": [
+                "$ts-webpack-watch"
+            ],
+            "isBackground": true
+        }
+    ]
+}

Dockerfile

@@ -1,15 +1,20 @@
-FROM golang:1.16
+FROM node:16 as js-build
+WORKDIR /gotty
+COPY js /gotty/js
+COPY Makefile /gotty/
+RUN make bindata/static/js/gotty.js.map
 
+FROM golang:1.16 as go-build
 WORKDIR /gotty
 COPY . /gotty
+COPY --from=js-build /gotty/js/node_modules /gotty/js/node_modules
+COPY --from=js-build /gotty/bindata/static/js /gotty/bindata/static/js
 RUN CGO_ENABLED=0 make
 
 FROM alpine:latest
-
 RUN apk update && \
     apk upgrade && \
-    apk --no-cache add ca-certificates && \
+    apk --no-cache add ca-certificates bash
-    apk add bash
 WORKDIR /root
-COPY --from=0 /gotty/gotty /usr/bin/
+COPY --from=go-build /gotty/gotty /usr/bin/
 CMD ["gotty",  "-w", "bash"]

Makefile

@@ -2,13 +2,20 @@ OUTPUT_DIR = ./builds
 GIT_COMMIT = `git rev-parse HEAD | cut -c1-7`
 VERSION = $(shell git describe --tags)
 BUILD_OPTIONS = -ldflags "-X main.Version=$(VERSION)"
-WEBPACK_MODE = production
+
+ifeq ($(DEV), 1)
+	BUILD_OPTIONS += -tags dev
+	WEBPACK_MODE = development
+else
+	WEBPACK_MODE = production
+endif
+
 export CGO_ENABLED=0
 
 gotty: main.go assets server/*.go webtty/*.go backend/*.go Makefile
 	go build ${BUILD_OPTIONS}
 
-docker: 
+docker:
 	docker build . -t gotty-bash:$(VERSION)
 
 .PHONY: all docker assets

bindata/bindata.go

@@ -1,3 +1,5 @@
+//go:build !dev
+
 package bindata
 
 import "embed"

bindata/bindata_dev.go

@@ -0,0 +1,28 @@
+//go:build dev
+
+package bindata
+
+import (
+	"io"
+	"io/fs"
+	"os"
+)
+
+type GottyFS struct {
+	fs.FS
+}
+
+var Fs GottyFS
+
+func (gfs *GottyFS) ReadFile(name string) ([]byte, error) {
+	fp, err := gfs.Open(name)
+	if err != nil {
+		return nil, err
+	}
+
+	return io.ReadAll(fp)
+}
+
+func init() {
+	Fs = GottyFS{os.DirFS("bindata")}
+}

js/package.json

@@ -14,7 +14,8 @@
         "ts-loader": "^8.3.0",
         "typescript": "^4.3.2",
         "webpack": "^5.72.0",
-        "webpack-cli": "^4.7.0"
+        "webpack-cli": "^4.7.0",
+        "webpack-dev-server": "^4.11.1"
     },
     "dependencies": {
         "@popperjs/core": "^2.11.5",

js/tsconfig.json

@@ -18,6 +18,7 @@
       }
   },
     "exclude": [
-      "node_modules"
+      "node_modules",
+      "dist"
     ]
 }

js/webpack.config.js

@@ -2,6 +2,14 @@ const path = require('path');
 const TerserPlugin = require("terser-webpack-plugin");
 const LicenseWebpackPlugin = require('license-webpack-plugin').LicenseWebpackPlugin;
 
+var devtool;
+
+if (process.env.DEV === '1') {
+    devtool = 'inline-source-map';
+} else {
+    devtool = 'source-map';
+}
+
 module.exports = {
     entry: "./src/main.ts",
     entry: {
@@ -10,7 +18,7 @@ module.exports = {
     output: {
         path: path.resolve(__dirname, '../bindata/static/js/'),
     },
-    devtool: "source-map",
+    devtool: devtool,
     resolve: {
         extensions: [".ts", ".tsx", ".js"],
     },

webtty/webtty.go

@@ -76,7 +76,12 @@ func (wt *WebTTY) Run(ctx context.Context) error {
 		errs <- func() error {
 			buffer := make([]byte, wt.bufferSize)
 			for {
-				n, err := wt.slave.Read(buffer)
+				//base64 length
+				effectiveBufferSize := wt.bufferSize - 1
+				//max raw data length
+				maxChunkSize := int(effectiveBufferSize/4) * 3
+
+				n, err := wt.slave.Read(buffer[:maxChunkSize])
 				if err != nil {
 					return ErrSlaveClosed
 				}