Initial commit

.gitignore

@@ -0,0 +1,4 @@
+# Server generated files
+/server.crt
+/server.key
+/token.txt

browser.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"os/exec"
+	"runtime"
+)
+
+func openUrl(url string) error {
+	var err error
+
+	switch runtime.GOOS {
+	case "linux":
+		err = exec.Command("xdg-open", url).Start()
+	case "windows":
+		err = exec.Command("rundll32", "url.dll,FileProtocolHandler", url).Start()
+	case "darwin":
+		err = exec.Command("open", url).Start()
+	default:
+		err = fmt.Errorf("unsupported platform")
+	}
+
+	return err
+}

cert.go

@@ -0,0 +1,91 @@
+package main
+
+import (
+	"crypto/ecdsa"
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"fmt"
+	"math/big"
+	"os"
+	"time"
+)
+
+func publicKey(priv interface{}) interface{} {
+	switch k := priv.(type) {
+	case *rsa.PrivateKey:
+		return &k.PublicKey
+	case *ecdsa.PrivateKey:
+		return &k.PublicKey
+	default:
+		return nil
+	}
+}
+
+func pemBlockForKey(priv interface{}) *pem.Block {
+	switch k := priv.(type) {
+	case *rsa.PrivateKey:
+		return &pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(k)}
+	case *ecdsa.PrivateKey:
+		b, err := x509.MarshalECPrivateKey(k)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, "Unable to marshal ECDSA private key: %v", err)
+			os.Exit(2)
+		}
+		return &pem.Block{Type: "EC PRIVATE KEY", Bytes: b}
+	default:
+		return nil
+	}
+}
+
+func generateCert(crtFile, keyFile string) error {
+	priv, err := rsa.GenerateKey(rand.Reader, 2048)
+
+	if err != nil {
+		return err
+	}
+
+	template := x509.Certificate{
+		SerialNumber: big.NewInt(1),
+		Subject: pkix.Name{
+			Organization: []string{"Acme Co"},
+		},
+		NotBefore: time.Now(),
+		NotAfter:  time.Now().Add(time.Hour * 24 * 180),
+
+		KeyUsage:              x509.KeyUsageKeyEncipherment | x509.KeyUsageDigitalSignature,
+		ExtKeyUsage:           []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth},
+		BasicConstraintsValid: true,
+	}
+
+	derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, publicKey(priv), priv)
+
+	if err != nil {
+		return err
+	}
+
+	f, err := os.Create(crtFile)
+
+	if err != nil {
+		return err
+	}
+
+	pem.Encode(f, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes})
+
+	f.Close()
+
+
+	f, err = os.Create(keyFile)
+
+	if err != nil {
+		return err
+	}
+
+	pem.Encode(f, pemBlockForKey(priv))
+
+	f.Close()
+
+	return nil
+}

go.mod

@@ -0,0 +1,18 @@
+module meow.tf/streamdeck-remote-server
+
+go 1.12
+
+require (
+	github.com/atotto/clipboard v0.1.2
+	github.com/getlantern/context v0.0.0-20190109183933-c447772a6520 // indirect
+	github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7 // indirect
+	github.com/getlantern/golog v0.0.0-20170508214112-cca714f7feb5 // indirect
+	github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7 // indirect
+	github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55 // indirect
+	github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f // indirect
+	github.com/getlantern/systray v0.0.0-20190131073753-26d5b920200d
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/oxtoacart/bpool v0.0.0-20190227141107-8c4636f812cc // indirect
+	github.com/stretchr/testify v1.3.0 // indirect
+	golang.org/x/sys v0.0.0-20190520201301-c432e742b0af // indirect
+)

go.sum

@@ -0,0 +1,29 @@
+github.com/atotto/clipboard v0.1.2 h1:YZCtFu5Ie8qX2VmVTBnrqLSiU9XOWwqNRmdT3gIQzbY=
+github.com/atotto/clipboard v0.1.2/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/getlantern/context v0.0.0-20190109183933-c447772a6520 h1:NRUJuo3v3WGC/g5YiyF790gut6oQr5f3FBI88Wv0dx4=
+github.com/getlantern/context v0.0.0-20190109183933-c447772a6520/go.mod h1:L+mq6/vvYHKjCX2oez0CgEAJmbq1fbb/oNJIWQkBybY=
+github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7 h1:6uJ+sZ/e03gkbqZ0kUG6mfKoqDb4XMAzMIwlajq19So=
+github.com/getlantern/errors v0.0.0-20190325191628-abdb3e3e36f7/go.mod h1:l+xpFBrCtDLpK9qNjxs+cHU6+BAdlBaxHqikB6Lku3A=
+github.com/getlantern/golog v0.0.0-20170508214112-cca714f7feb5 h1:Okd7vkn9CfIgDBj1ST/vtBTCfD/kxIhYD412K+FRKPc=
+github.com/getlantern/golog v0.0.0-20170508214112-cca714f7feb5/go.mod h1:Vwx1Cg64gCdIalad44uvQsKZw6LsVczIKZrUBStEjVw=
+github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7 h1:micT5vkcr9tOVk1FiH8SWKID8ultN44Z+yzd2y/Vyb0=
+github.com/getlantern/hex v0.0.0-20190417191902-c6586a6fe0b7/go.mod h1:dD3CgOrwlzca8ed61CsZouQS5h5jIzkK9ZWrTcf0s+o=
+github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55 h1:XYzSdCbkzOC0FDNrgJqGRo8PCMFOBFL9py72DRs7bmc=
+github.com/getlantern/hidden v0.0.0-20190325191715-f02dbb02be55/go.mod h1:6mmzY2kW1TOOrVy+r41Za2MxXM+hhqTtY3oBKd2AgFA=
+github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f h1:wrYrQttPS8FHIRSlsrcuKazukx/xqO/PpLZzZXsF+EA=
+github.com/getlantern/ops v0.0.0-20190325191751-d70cb0d6f85f/go.mod h1:D5ao98qkA6pxftxoqzibIBBrLSUli+kYnJqrgBf9cIA=
+github.com/getlantern/systray v0.0.0-20190131073753-26d5b920200d h1:4P2eDMAoQcQoWIIKCNIkuVbQb+paRmpMxVXVfbs7B4U=
+github.com/getlantern/systray v0.0.0-20190131073753-26d5b920200d/go.mod h1:7Splj4WBQSps8jODnMgrIV6goKL0N1HR+mhCAEVWlA0=
+github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
+github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
+github.com/oxtoacart/bpool v0.0.0-20190227141107-8c4636f812cc h1:uhnyuvDwdKbjemAXHKsiEZOPagHim2nRjMcazH1g26A=
+github.com/oxtoacart/bpool v0.0.0-20190227141107-8c4636f812cc/go.mod h1:L3UMQOThbttwfYRNFOWLLVXMhk5Lkio4GGOtw5UrxS0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+golang.org/x/sys v0.0.0-20190520201301-c432e742b0af h1:NXfmMfXz6JqGfG3ikSxcz2N93j6DgScr19Oo2uwFu88=
+golang.org/x/sys v0.0.0-20190520201301-c432e742b0af/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

icon/make_icon.bat

@@ -0,0 +1,41 @@
+@ECHO OFF
+
+IF "%GOPATH%"=="" GOTO NOGO
+IF NOT EXIST %GOPATH%\bin\2goarray.exe GOTO INSTALL
+:POSTINSTALL
+IF "%1"=="" GOTO NOICO
+IF NOT EXIST %1 GOTO BADFILE
+ECHO Creating iconwin.go
+ECHO //+build windows > iconwin.go
+ECHO. >> iconwin.go
+TYPE %1 | %GOPATH%\bin\2goarray Data icon >> iconwin.go
+GOTO DONE
+
+:CREATEFAIL
+ECHO Unable to create output file
+GOTO DONE
+
+:INSTALL
+ECHO Installing 2goarray...
+go get github.com/cratonica/2goarray
+IF ERRORLEVEL 1 GOTO GETFAIL
+GOTO POSTINSTALL
+
+:GETFAIL
+ECHO Failure running go get github.com/cratonica/2goarray.  Ensure that go and git are in PATH
+GOTO DONE
+
+:NOGO
+ECHO GOPATH environment variable not set
+GOTO DONE
+
+:NOICO
+ECHO Please specify a .ico file
+GOTO DONE
+
+:BADFILE
+ECHO %1 is not a valid file
+GOTO DONE
+
+:DONE
+

icon/make_icon.sh

@@ -0,0 +1,36 @@
+#/bin/sh
+
+if [ -z "$GOPATH" ]; then
+    echo GOPATH environment variable not set
+    exit
+fi
+
+if [ ! -e "$GOPATH/bin/2goarray" ]; then
+    echo "Installing 2goarray..."
+    go get github.com/cratonica/2goarray
+    if [ $? -ne 0 ]; then
+        echo Failure executing go get github.com/cratonica/2goarray
+        exit
+    fi
+fi
+
+if [ -z "$1" ]; then
+    echo Please specify a PNG file
+    exit
+fi
+
+if [ ! -f "$1" ]; then
+    echo $1 is not a valid file
+    exit
+fi    
+
+OUTPUT=iconunix.go
+echo Generating $OUTPUT
+echo "//+build linux darwin" > $OUTPUT
+echo >> $OUTPUT
+cat "$1" | $GOPATH/bin/2goarray Data icon >> $OUTPUT
+if [ $? -ne 0 ]; then
+    echo Failure generating $OUTPUT
+    exit
+fi
+echo Finished

main.go

@@ -0,0 +1,143 @@
+package main
+
+import (
+	"github.com/atotto/clipboard"
+	"github.com/getlantern/systray"
+	"io/ioutil"
+	"log"
+	"math/rand"
+	"meow.tf/streamdeck-remote-server/icon"
+	"net/http"
+	"net/url"
+	"os"
+	"strings"
+	"time"
+)
+
+func init() {
+	rand.Seed(time.Now().UnixNano())
+}
+
+func main() {
+	systray.Run(onReady, onExit)
+}
+
+func onReady() {
+	systray.SetIcon(icon.Data)
+	systray.SetTitle("StreamDeck Remote")
+	systray.SetTooltip("StreamDeck Remote Server (Running)")
+
+	mCopy := systray.AddMenuItem("Copy Token", "Copy the token to the clipboard")
+	mQuit := systray.AddMenuItem("Quit", "Close StreamDeck Remote Server")
+
+	go listenServer()
+
+	go func() {
+		for {
+			select {
+			case <-mCopy.ClickedCh:
+				clipboard.WriteAll(token)
+			case <-mQuit.ClickedCh:
+				systray.Quit()
+			}
+		}
+	}()
+}
+
+func onExit() {
+	// clean up here
+}
+
+var (
+	token string
+)
+
+func loadToken() {
+	if _, err := os.Stat("token.txt"); os.IsNotExist(err) {
+		token = RandStringRunes(32)
+
+		f, err := os.Create("token.txt")
+
+		if err != nil {
+			log.Fatalln("Unable to save token:", err)
+		}
+
+		defer f.Close()
+
+		f.WriteString(token)
+	} else {
+		f, err := os.Open("token.txt")
+
+		if err != nil {
+			log.Fatalln("Unable to open token file:", err)
+		}
+
+		defer f.Close()
+
+		b, err := ioutil.ReadAll(f)
+
+		if err != nil {
+			f.Close()
+			log.Fatalln("Unable to read token file:", err)
+		}
+
+		token = string(b)
+	}
+}
+
+func listenServer() {
+	loadToken()
+
+	if _, err := os.Stat("server.crt"); os.IsNotExist(err) {
+		err = generateCert("server.crt", "server.key")
+
+		if err != nil {
+			log.Fatalln("Unable to generate certificates:", err)
+		}
+	}
+
+	mux := http.NewServeMux()
+
+	mux.HandleFunc("/url/open", authenticationHandler(requirePost(urlOpenHandler)))
+
+	http.ListenAndServeTLS(":4443", "server.crt", "server.key", mux)
+}
+
+func authenticationHandler(next http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		// Check authorization header
+		auth := strings.SplitN(r.Header.Get("Authorization"), " ", 2)
+
+		if len(auth) != 2 || auth[0] != "Bearer" || auth[1] != token {
+			log.Println("Authentication failed, got:", auth[1])
+			http.Error(w, "authorization failed", http.StatusUnauthorized)
+			return
+		}
+
+		next(w, r)
+	}
+}
+
+func urlOpenHandler(w http.ResponseWriter, r *http.Request) {
+	r.ParseForm()
+
+	urlStr := r.Form.Get("url")
+
+	if urlStr == "" {
+		w.WriteHeader(http.StatusBadRequest)
+		log.Println("empty url")
+		return
+	}
+
+	u, err := url.Parse(urlStr)
+
+	if err != nil || u.Scheme == "" || u.Host == "" {
+		w.WriteHeader(http.StatusBadRequest)
+		log.Println("invalid url scheme/host or err:", err)
+		return
+	}
+
+	log.Println("Opening URL", urlStr)
+
+	openUrl(urlStr)
+}

util.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"math/rand"
+	"net/http"
+)
+
+func requireGet(h http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == "GET" {
+			h(w, r)
+			return
+		}
+
+		http.Error(w, "get only", http.StatusMethodNotAllowed)
+	}
+}
+
+func requirePost(h http.HandlerFunc) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		if r.Method == "POST" {
+			h(w, r)
+			return
+		}
+
+		http.Error(w, "post only", http.StatusMethodNotAllowed)
+	}
+}
+
+var letterRunes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ")
+
+func RandStringRunes(n int) string {
+	b := make([]rune, n)
+	for i := range b {
+		b[i] = letterRunes[rand.Intn(len(letterRunes))]
+	}
+	return string(b)
+}