refactor(display): use chrome devtools protocol (#38)

control/frontend/src/lib/ts/api_handler.ts

@@ -51,6 +51,17 @@ export async function show_html(ip: string, html: string): Promise<void> {
 	await request_display(ip, '/showHTML', options);
 }
 
+export async function open_website(ip: string, url: string): Promise<void> {
+	const options = {
+		method: 'PATCH',
+		headers: { 'content-type': 'application/json' },
+		body: JSON.stringify({
+			url: url
+		})
+	};
+	await request_display(ip, '/openWebsite', options);
+}
+
 export async function get_file_data(
 	ip: string,
 	path: string

control/frontend/src/routes/ControlView.svelte

@@ -21,7 +21,8 @@
 		show_blackscreen,
 		shutdown,
 		startup,
-		show_html
+		show_html,
+		open_website
 	} from '$lib/ts/api_handler';
 	import {
 		get_display_by_id,
@@ -144,7 +145,7 @@
 	async function send_website() {
 		popup_content.open = false;
 		await run_on_all_selected_displays((d) =>
-			show_html(d.ip, `<iframe src="${website_url}"></iframe>`)
+			open_website(d.ip, website_url)
 		);
 	}
 </script>

control/main.go

@@ -64,7 +64,7 @@ func main() {
 			os.Exit(1)
 		}
 	}()
-	err = shared.OpenBrowserWindow("http://localhost:"+port, false, "control")
+	err = openBrowserWindow("http://localhost:" + port)
 	if err != nil {
 		slog.Error("Failed to open browser window", "error", err)
 		os.Exit(1)

control/open_browser.go

@@ -1,4 +1,4 @@
-package shared
+package main
 
 import (
 	"errors"
@@ -6,35 +6,30 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"plg-mudics/shared"
 )
 
-func OpenBrowserWindow(url string, fullscreen bool, profile string) error {
+func openBrowserWindow(url string) error {
 	bins := []string{"chromium", "chromium-browser"}
 
 	home, err := os.UserHomeDir()
 	if err != nil {
 		return fmt.Errorf("unable to determine user home directory: %w", err)
 	}
-	browserProfileDirPath := filepath.Join(home, ".local", "share", "plg-mudics", fmt.Sprintf("browser-%s", profile))
+	browserProfileDirPath := filepath.Join(home, ".local", "share", "plg-mudics", "browser-control")
 	if err := os.MkdirAll(browserProfileDirPath, os.ModePerm); err != nil {
 		return fmt.Errorf("failed to create local config directory: %w", err)
 	}
 
 	args := []string{
 		fmt.Sprintf("--app=%s", url),
-		"--autoplay-policy=no-user-gesture-required",
 		fmt.Sprintf("--user-data-dir=%s", browserProfileDirPath),
-		"--allow-running-insecure-content",
-		"--disable-features=XFrameOptions",
-	}
-	if fullscreen {
-		args = append(args, "--start-fullscreen")
 	}
 
 	errs := []string{}
 	for _, bin := range bins {
 		cmd := exec.Command(bin, args...)
-		commandOutput := RunShellCommand(cmd)
+		commandOutput := shared.RunShellCommand(cmd)
 		if commandOutput.ExitCode == 0 {
 			return nil
 		}

display/README.md

@@ -62,6 +62,12 @@ Even when the command itself fails.
 
 The screenshot as binary in the response body.
 
+## PATCH `/openWebsite`
+
+### Request Body
+
+- `url`: string
+
 ## POST `/file/<path>` - Upload File
 
 ### Responses

display/browser/main.go

@@ -0,0 +1,72 @@
+package browser
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/chromedp/chromedp"
+)
+
+var Browser BrowserType = BrowserType{}
+
+type BrowserType struct {
+	Ctx    context.Context
+	Cancel context.CancelFunc
+}
+
+func (b *BrowserType) Init() error {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return fmt.Errorf("unable to determine user home directory: %w", err)
+	}
+	browserProfileDirPath := filepath.Join(home, ".local", "share", "plg-mudics", "browser-display")
+	if err := os.MkdirAll(browserProfileDirPath, os.ModePerm); err != nil {
+		return fmt.Errorf("failed to create local config directory: %w", err)
+	}
+
+	opts := []chromedp.ExecAllocatorOption{
+		chromedp.Flag("headless", false),
+		chromedp.Flag("app", "http://example.com"), // app mode prevents a few unwanted features of chrome, the start url is directly overwritten
+		chromedp.Flag("start-fullscreen", true),
+		chromedp.Flag("hide-scrollbars", true),
+		chromedp.Flag("allow-file-access-from-files", true),
+		chromedp.Flag("user-data-dir", browserProfileDirPath),
+		chromedp.Flag("autoplay-policy", "no-user-gesture-required"),
+	}
+
+	initCtx, _ := chromedp.NewExecAllocator(context.Background(), opts...)
+	b.Ctx, b.Cancel = chromedp.NewContext(initCtx)
+
+	return nil
+}
+
+func (b *BrowserType) OpenPage(url string) {
+	chromedp.Run(b.Ctx, chromedp.Navigate(url))
+}
+
+// Yes, we need that trick with creating a temp file and not directly sending html since
+// chrome only allows us to access local files via other local files
+func (b *BrowserType) OpenHTML(html string) error {
+	var err error
+
+	tempFile, err := os.CreateTemp("", "mudics-*.html")
+	if err != nil {
+		return fmt.Errorf("could not create tempfile: %w", err)
+	}
+	defer tempFile.Close()
+
+	_, err = tempFile.WriteString(html)
+	if err != nil {
+		return fmt.Errorf("could not write to tempfile: %w", err)
+	}
+
+	chromedp.Run(b.Ctx, chromedp.Navigate("file://"+tempFile.Name()))
+
+	return nil
+}
+
+func (b *BrowserType) OpenPDF(path string) {
+	b.OpenPage("file://" + path + "#toolbar=0&view=Fit")
+}

display/go.mod

@@ -1,9 +1,10 @@
 module plg-mudics/display
 
-go 1.24.4
+go 1.25
 
 require (
-	github.com/a-h/templ v0.3.960
+	github.com/a-h/templ v0.3.977
+	github.com/chromedp/chromedp v0.14.2
 	github.com/gabriel-vasile/mimetype v1.4.11
 	github.com/labstack/echo/v4 v4.15.0
 	github.com/micmonay/keybd_event v1.1.2
@@ -14,9 +15,15 @@ require (
 	github.com/a-h/parse v0.0.0-20250122154542-74294addb73e // indirect
 	github.com/andybalholm/brotli v1.1.0 // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
+	github.com/chromedp/cdproto v0.0.0-20250803210736-d308e07a266d // indirect
+	github.com/chromedp/sysutil v1.1.0 // indirect
 	github.com/cli/browser v1.3.0 // indirect
 	github.com/fatih/color v1.16.0 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
+	github.com/go-json-experiment/json v0.0.0-20251027170946-4849db3c2f7e // indirect
+	github.com/gobwas/httphead v0.1.0 // indirect
+	github.com/gobwas/pool v0.2.1 // indirect
+	github.com/gobwas/ws v1.4.0 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
@@ -27,7 +34,7 @@ require (
 	golang.org/x/mod v0.30.0 // indirect
 	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
-	golang.org/x/sys v0.39.0 // indirect
+	golang.org/x/sys v0.40.0 // indirect
 	golang.org/x/text v0.32.0 // indirect
 	golang.org/x/time v0.14.0 // indirect
 	golang.org/x/tools v0.39.0 // indirect

display/go.sum

@@ -2,10 +2,18 @@ github.com/a-h/parse v0.0.0-20250122154542-74294addb73e h1:HjVbSQHy+dnlS6C3XajZ6
 github.com/a-h/parse v0.0.0-20250122154542-74294addb73e/go.mod h1:3mnrkvGpurZ4ZrTDbYU84xhwXW2TjTKShSwjRi2ihfQ=
 github.com/a-h/templ v0.3.960 h1:trshEpGa8clF5cdI39iY4ZrZG8Z/QixyzEyUnA7feTM=
 github.com/a-h/templ v0.3.960/go.mod h1:oCZcnKRf5jjsGpf2yELzQfodLphd2mwecwG4Crk5HBo=
+github.com/a-h/templ v0.3.977 h1:kiKAPXTZE2Iaf8JbtM21r54A8bCNsncrfnokZZSrSDg=
+github.com/a-h/templ v0.3.977/go.mod h1:oCZcnKRf5jjsGpf2yELzQfodLphd2mwecwG4Crk5HBo=
 github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M=
 github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY=
 github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
 github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/chromedp/cdproto v0.0.0-20250803210736-d308e07a266d h1:ZtA1sedVbEW7EW80Iz2GR3Ye6PwbJAJXjv7D74xG6HU=
+github.com/chromedp/cdproto v0.0.0-20250803210736-d308e07a266d/go.mod h1:NItd7aLkcfOA/dcMXvl8p1u+lQqioRMq/SqDp71Pb/k=
+github.com/chromedp/chromedp v0.14.2 h1:r3b/WtwM50RsBZHMUm9fsNhhzRStTHrKdr2zmwbZSzM=
+github.com/chromedp/chromedp v0.14.2/go.mod h1:rHzAv60xDE7VNy/MYtTUrYreSc0ujt2O1/C3bzctYBo=
+github.com/chromedp/sysutil v1.1.0 h1:PUFNv5EcprjqXZD9nJb9b/c9ibAbxiYo4exNWZyipwM=
+github.com/chromedp/sysutil v1.1.0/go.mod h1:WiThHUdltqCNKGc4gaU50XgYjwjYIhKWoHGPTUfWTJ8=
 github.com/cli/browser v1.3.0 h1:LejqCrpWr+1pRqmEPDGnTZOjsMe7sehifLynZJuqJpo=
 github.com/cli/browser v1.3.0/go.mod h1:HH8s+fOAxjhQoBUAsKuPCbqUuxZDhQ2/aD+SzsEfBTk=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -16,6 +24,14 @@ github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nos
 github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/gabriel-vasile/mimetype v1.4.11 h1:AQvxbp830wPhHTqc1u7nzoLT+ZFxGY7emj5DR5DYFik=
 github.com/gabriel-vasile/mimetype v1.4.11/go.mod h1:d+9Oxyo1wTzWdyVUPMmXFvp4F9tea18J8ufA774AB3s=
+github.com/go-json-experiment/json v0.0.0-20251027170946-4849db3c2f7e h1:Lf/gRkoycfOBPa42vU2bbgPurFong6zXeFtPoxholzU=
+github.com/go-json-experiment/json v0.0.0-20251027170946-4849db3c2f7e/go.mod h1:uNVvRXArCGbZ508SxYYTC5v1JWoz2voff5pm25jU1Ok=
+github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
+github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
+github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=
+github.com/gobwas/pool v0.2.1/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
+github.com/gobwas/ws v1.4.0 h1:CTaoG1tojrh4ucGPcoJFiAQUAsEWekEWvLy7GsVNqGs=
+github.com/gobwas/ws v1.4.0/go.mod h1:G3gNqMNtPppf5XUz7O4shetPpcZ1VJ7zt18dlUeakrc=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/labstack/echo/v4 v4.13.4 h1:oTZZW+T3s9gAu5L8vmzihV7/lkXGZuITzTQkTEhcXEA=
@@ -64,6 +80,8 @@ golang.org/x/sys v0.34.0 h1:H5Y5sJ2L2JRdyv7ROF1he/lPdvFsd0mJHFw2ThKHxLA=
 golang.org/x/sys v0.34.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 golang.org/x/sys v0.39.0 h1:CvCKL8MeisomCi6qNZ+wbb0DN9E5AATixKsvNtMoMFk=
 golang.org/x/sys v0.39.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
+golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/text v0.27.0 h1:4fGWRpyh641NLlecmyl4LOe6yDdfaYNrGb2zdfo4JV4=
 golang.org/x/text v0.27.0/go.mod h1:1D28KMCvyooCX9hBiosv5Tz/+YLxj0j7XhWjpSUF7CU=
 golang.org/x/text v0.32.0 h1:ZD01bjUt1FQ9WJ0ClOL5vxgxOI/sVCNgX1YtKwcY0mU=

display/main.go

@@ -4,9 +4,9 @@ import (
 	"log/slog"
 	"os"
 
+	"plg-mudics/display/browser"
 	"plg-mudics/display/pkg"
 	"plg-mudics/display/web"
-	"plg-mudics/shared"
 )
 
 //go:generate go tool templ generate
@@ -25,10 +25,10 @@ func main() {
 
 	// the order is important, the open browser command exitsts as soon as the winodw is closed
 	// and since its the last action in the main go func all other goroutines (e.g. the webserver) are killed
-	go web.StartWebServer(shared.Version, port)
+	go web.StartWebServer(port)
-	err = shared.OpenBrowserWindow("http://localhost:"+port, true, "display")
+
-	if err != nil {
+	browser.Browser.Init()
-		slog.Error("Failed to open browser window", "error", err)
+	pkg.OpenStartScreen()
-		os.Exit(1)
+	defer browser.Browser.Cancel()
-	}
+	<-browser.Browser.Ctx.Done()
 }

display/pkg/file_handler.go

@@ -1,75 +0,0 @@
-package pkg
-
-import (
-	"fmt"
-	"log/slog"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"plg-mudics/shared"
-	"syscall"
-
-	"github.com/gabriel-vasile/mimetype"
-)
-
-var FileHandler fileHandler = fileHandler{}
-
-type fileHandler struct {
-	runningProgram *exec.Cmd
-}
-
-func (fh *fileHandler) OpenFile(path string) error {
-	var err error
-
-	mType, err := mimetype.DetectFile(path)
-	if err != nil {
-		return fmt.Errorf("failed to detect mime type: %w", err)
-	}
-
-	tempDirPath, err := os.MkdirTemp("", "plg-mudics-program-profile-")
-	if err != nil {
-		return fmt.Errorf("failed to create temporary profile directory: %w", err)
-	}
-
-	err = fh.CloseRunningProgram()
-	if err != nil {
-		return err
-	}
-
-	switch mType.String() {
-	case "application/vnd.openxmlformats-officedocument.presentationml.presentation", "application/vnd.oasis.opendocument.presentation":
-		// yes, we need this weird workaround to delete lock files since libreoffice
-		// doesn't expose an option to ignore them or prevent their creation
-		// the --view argument for some reason doesn't work with --show
-		parent := filepath.Dir(path)
-		cmd := exec.Command("find", parent, "-name", ".~lock*", "-type", "f", "-delete")
-		result := shared.RunShellCommand(cmd)
-		if result.ExitCode != 0 {
-			slog.Warn("could not remove lock files", "path", parent, "stderr", result.Stderr, "exitCode", result.ExitCode)
-		}
-
-		fh.runningProgram = exec.Command("soffice", "--show", path, "--nologo", "--norestore", fmt.Sprintf("-env:UserInstallation=file://%s", tempDirPath))
-	case "application/pdf":
-		fh.runningProgram = exec.Command("xreader", path, "--presentation")
-	default:
-		return fmt.Errorf("unsupported file type: %s", mType.String())
-	}
-
-	fh.runningProgram.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
-
-	result := shared.RunShellCommandNonBlocking(fh.runningProgram)
-	if result.ExitCode != 0 {
-		return fmt.Errorf("could not open pdf: %s (%d)", result.Stderr, result.ExitCode)
-	}
-
-	return nil
-}
-
-func (fh *fileHandler) CloseRunningProgram() error {
-	if fh.runningProgram == nil {
-		return nil
-	}
-	err := syscall.Kill(-fh.runningProgram.Process.Pid, syscall.SIGTERM)
-	fh.runningProgram = nil
-	return err
-}

display/pkg/main.go

@@ -1,49 +1,21 @@
 package pkg
 
 import (
+	"bytes"
+	"context"
 	"errors"
 	"fmt"
-	"net"
+	"log/slog"
 	"os"
 	"os/exec"
 	"path/filepath"
 	"strings"
 	"time"
 
+	"plg-mudics/display/browser"
 	"plg-mudics/shared"
 )
 
-func GetDeviceIp() (string, error) {
-	addrs, err := net.InterfaceAddrs()
-	if err != nil {
-		return "", fmt.Errorf("failed to get network interfaces: %w", err)
-	}
-	for _, addr := range addrs {
-		ipNet, ok := addr.(*net.IPNet)
-		if ok && !ipNet.IP.IsLoopback() && ipNet.IP.To4() != nil {
-			return ipNet.IP.String(), nil
-		}
-	}
-
-	return "", fmt.Errorf("no suitable IP address found")
-}
-
-func GetDeviceMac() (string, error) {
-	interfaces, err := net.Interfaces()
-	if err != nil {
-		return "", fmt.Errorf("failed to get network interfaces: %w", err)
-	}
-
-	for _, interf := range interfaces {
-		mac := interf.HardwareAddr.String()
-		if mac != "" {
-			return mac, nil
-		}
-	}
-
-	return "", fmt.Errorf("no suitable MAC address found")
-}
-
 func TakeScreenshot() (string, error) {
 	tempFilePath := filepath.Join(os.TempDir(), fmt.Sprintf("screenshot_%d.png", time.Now().Unix()))
 
@@ -106,3 +78,20 @@ func ResolveStorageFilePath(pathParam string) (string, bool, error) {
 
 	return fullPath, true, nil
 }
+
+func ShowHTML(html string) error {
+	ResetView()
+
+	var templateBuffer bytes.Buffer
+	htmlTemplate(html).Render(context.Background(), &templateBuffer)
+	err := browser.Browser.OpenHTML(templateBuffer.String())
+
+	return err
+}
+
+func ResetView() {
+	err := fileHandler.closeRunningProgram()
+	if err != nil {
+		slog.Error("Failed to close running program", "error", err)
+	}
+}

display/pkg/main.templ

@@ -0,0 +1,148 @@
+package pkg
+
+templ basicTemplate() {
+	<!DOCTYPE html>
+	<html lang="en">
+		<head>
+			<meta charset="UTF-8"/>
+			<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
+			<title>PLG MuDiCS Display</title>
+			<style>
+          		:root {
+         			--background-color: black;
+         			--foreground-color: oklch(92.3% 0.003 48.717);
+         			--font-size: 5rem;
+          		}
+
+          		body {
+         			display: flex;
+         			justify-content: center;
+         			/* centers horizontally */
+         			align-items: center;
+         			/* centers vertically */
+         			width: 100vw;
+         			/* Viewport width */
+         			height: 100vh;
+         			/* Viewport height */
+         			margin: 0;
+         			padding: 0;
+         			overflow: hidden;
+         			background-color: var(--background-color);
+         			color: var(--foreground-color);
+         			font-family: ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
+         			cursor: none;
+          		}
+
+          		video,
+          		img {
+         			width: 100vw;
+         			/* Viewport width */
+         			height: 100vh;
+         			/* Viewport height */
+         			object-fit: contain;
+          		}
+
+          		p,
+          		li {
+         			font-size: var(--font-size);
+         			line-height: 1.2;
+         			text-wrap: balance;
+         			max-width: 90vw;
+         			word-break: break-word;
+         			margin: 0 0 calc(var(--font-size) * 0.4) 0;
+          		}
+
+          		ul,
+          		ol {
+         			padding-left: calc(var(--font-size)*1.5);
+          		}
+           	</style>
+		</head>
+		<bod>
+			{ children... }
+		</bod>
+	</html>
+}
+
+templ videoTemplate(path string) {
+	@basicTemplate() {
+		<video autoplay>
+			<source src={ "file://" + path } type="video/mp4"/>
+		</video>
+	}
+}
+
+templ htmlTemplate(html string) {
+	@basicTemplate() {
+		@templ.Raw(html)
+	}
+}
+
+templ imageTemplate(path string) {
+	@basicTemplate() {
+		<img src={ "file://" + path }/>
+	}
+}
+
+templ deviceInfoTemplate(ip string, mac string, showQR bool) {
+	@basicTemplate() {
+		<div style="width: 100vw; height: 100vh; display: flex; flex-direction: row; justify-content: space-between;">
+			<div
+				style="display: flex; flex-direction: column; gap: 1rem; justify-content: end; padding: 2rem; font-size: 4rem;"
+			>
+				{ ip }
+				<span style="text-transform: uppercase;">{ mac }</span>
+			</div>
+			if showQR {
+				<div style="display: flex; justify-content: end; align-items: end; padding: 2rem;">
+					<div style="padding: 1rem; background-color: var(--foreground-color); border-radius: 1rem;">
+						<img
+							style="height: 30vh; width: auto; image-rendering: pixelated; image-rendering: crisp-edges;"
+							src={ "/qr?data=http://" + ip + ":8080" }
+							alt="QR-Code"
+						/>
+					</div>
+				</div>
+			}
+		</div>
+		<style>
+    		:root {
+    			--splash-bg: transparent !important;
+    			--splash-fade-out-state: paused !important;
+    			--background-color: oklch(21.6% 0.006 56.043);
+    		}
+        </style>
+	}
+}
+
+templ startScreenTemplate(splashScreenHtml string, ip string, mac string, qrPath string) {
+	@basicTemplate() {
+		<div style="width: 100vw; height: 100vh; display: flex; flex-direction: row; justify-content: space-between;">
+			<div
+				style="display: flex; flex-direction: column; gap: 1rem; justify-content: end; padding: 2rem; font-size: 4rem;"
+			>
+				{ ip }
+				<span style="text-transform: uppercase;">{ mac }</span>
+			</div>
+			if qrPath != "" {
+				<div style="display: flex; justify-content: end; align-items: end; padding: 2rem;">
+					<div style="padding: 1rem; background-color: var(--foreground-color); border-radius: 1rem;">
+						<img
+							style="height: 30vh; width: auto; image-rendering: pixelated; image-rendering: crisp-edges;"
+							src={ "file://" + qrPath }
+							alt="QR-Code"
+						/>
+					</div>
+				</div>
+			}
+		</div>
+		@templ.Raw(splashScreenHtml)
+		<style>
+			:root {
+    			--splash-bg: transparent !important;
+    			--splash-fade-out-state: paused !important;
+                --background-color: oklch(21.6% 0.006 56.043);
+			}
+		</style>
+	}
+}

display/pkg/open_file.go

@@ -0,0 +1,108 @@
+package pkg
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"plg-mudics/shared"
+	"syscall"
+
+	"github.com/gabriel-vasile/mimetype"
+
+	"plg-mudics/display/browser"
+)
+
+var fileHandler fileHandlerType = fileHandlerType{}
+
+type fileHandlerType struct {
+	runningProgram *exec.Cmd
+}
+
+func OpenFile(path string) error {
+	ResetView()
+
+	mType, err := mimetype.DetectFile(path)
+	if err != nil {
+		slog.Error("Failed to detect mime type", "file", path, "error", err)
+	}
+
+	switch mType.String() {
+	case "video/mp4":
+		var templateBuffer bytes.Buffer
+		videoTemplate(path).Render(context.Background(), &templateBuffer)
+		browser.Browser.OpenHTML(templateBuffer.String())
+	case "image/jpeg", "image/png", "image/gif":
+		var templateBuffer bytes.Buffer
+		imageTemplate(path).Render(context.Background(), &templateBuffer)
+		browser.Browser.OpenHTML(templateBuffer.String())
+	case "application/pdf":
+		browser.Browser.OpenPDF(path)
+	case "application/vnd.openxmlformats-officedocument.presentationml.presentation", "application/vnd.oasis.opendocument.presentation":
+		err = fileHandler.openFileWithApp(path)
+	default:
+		return fmt.Errorf("unsupported file type: %s", mType.String())
+	}
+
+	return nil
+}
+
+func (fh *fileHandlerType) openFileWithApp(path string) error {
+	var err error
+
+	mType, err := mimetype.DetectFile(path)
+	if err != nil {
+		return fmt.Errorf("failed to detect mime type: %w", err)
+	}
+
+	switch mType.String() {
+	case "application/vnd.openxmlformats-officedocument.presentationml.presentation", "application/vnd.oasis.opendocument.presentation":
+		err = fh.openLibreoffice(path)
+		if err != nil {
+			return err
+		}
+	default:
+		return fmt.Errorf("unsupported file type: %s", mType.String())
+	}
+
+	fh.runningProgram.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
+
+	result := shared.RunShellCommandNonBlocking(fh.runningProgram)
+	if result.ExitCode != 0 {
+		return fmt.Errorf("could not open pdf: %s (%d)", result.Stderr, result.ExitCode)
+	}
+
+	return nil
+}
+
+func (fh *fileHandlerType) openLibreoffice(path string) error {
+	// yes, we need this weird workaround to delete lock files since libreoffice
+	// doesn't expose an option to ignore them or prevent their creation
+	// the --view argument for some reason doesn't work with --show
+	parent := filepath.Dir(path)
+	cmd := exec.Command("find", parent, "-name", ".~lock*", "-type", "f", "-delete")
+	result := shared.RunShellCommand(cmd)
+	if result.ExitCode != 0 {
+		slog.Warn("could not remove lock files", "path", parent, "stderr", result.Stderr, "exitCode", result.ExitCode)
+	}
+
+	tempDirPath, err := os.MkdirTemp("", "plg-mudics-program-profile-")
+	if err != nil {
+		return fmt.Errorf("failed to create temporary profile directory: %w", err)
+	}
+	fh.runningProgram = exec.Command("soffice", "--show", path, "--nologo", "--norestore", fmt.Sprintf("-env:UserInstallation=file://%s", tempDirPath))
+
+	return nil
+}
+
+func (fh *fileHandlerType) closeRunningProgram() error {
+	if fh.runningProgram == nil {
+		return nil
+	}
+	err := syscall.Kill(-fh.runningProgram.Process.Pid, syscall.SIGTERM)
+	fh.runningProgram = nil
+	return err
+}

display/pkg/start_screen.go

@@ -0,0 +1,117 @@
+package pkg
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"image/color"
+	"log/slog"
+	"net"
+	"os"
+	"plg-mudics/shared"
+	"strings"
+
+	"plg-mudics/display/browser"
+
+	"github.com/skip2/go-qrcode"
+)
+
+func OpenStartScreen() {
+	var err error
+
+	raw := shared.RawSplashScreenTemplate
+	html := strings.ReplaceAll(raw, "%%APP-VERSION%%", shared.Version)
+
+	ip, err := getDeviceIp()
+	if err != nil {
+		slog.Error("Failed to get device IP", "error", err)
+	}
+	mac, err := getDeviceMac()
+	if err != nil {
+		slog.Error("Failed to get device MAC address", "error", err)
+	}
+
+	port := 8080
+	showQrCode := !isPortFree(port)
+	qrCodePath := ""
+	if showQrCode {
+		qrCodePath, err = generateQRCode(fmt.Sprintf("http://%s:%d", ip, port))
+		if err != nil {
+			slog.Error("could not generate qr code", "error", err)
+		}
+	}
+
+	var templateBuffer bytes.Buffer
+	startScreenTemplate(html, ip, mac, qrCodePath).Render(context.Background(), &templateBuffer)
+	browser.Browser.OpenHTML(templateBuffer.String())
+}
+
+func getDeviceIp() (string, error) {
+	addrs, err := net.InterfaceAddrs()
+	if err != nil {
+		return "", fmt.Errorf("failed to get network interfaces: %w", err)
+	}
+	for _, addr := range addrs {
+		ipNet, ok := addr.(*net.IPNet)
+		if ok && !ipNet.IP.IsLoopback() && ipNet.IP.To4() != nil {
+			return ipNet.IP.String(), nil
+		}
+	}
+
+	return "", fmt.Errorf("no suitable IP address found")
+}
+
+func isPortFree(port int) bool {
+	addr := fmt.Sprintf("127.0.0.1:%d", port)
+	l, err := net.Listen("tcp", addr)
+	if err != nil {
+		return false
+	}
+	_ = l.Close()
+	return true
+}
+
+func getDeviceMac() (string, error) {
+	interfaces, err := net.Interfaces()
+	if err != nil {
+		return "", fmt.Errorf("failed to get network interfaces: %w", err)
+	}
+
+	for _, interf := range interfaces {
+		mac := interf.HardwareAddr.String()
+		if mac != "" {
+			return mac, nil
+		}
+	}
+
+	return "", fmt.Errorf("no suitable MAC address found")
+}
+
+func generateQRCode(data string) (string, error) {
+	qr, err := qrcode.New(data, qrcode.Medium)
+	if err != nil {
+		return "", fmt.Errorf("could not generate qr code: %w", err)
+	}
+
+	qr.DisableBorder = true
+	qr.ForegroundColor = color.RGBA{R: 0x1c, G: 0x19, B: 0x17, A: 0xff}
+	qr.BackgroundColor = color.RGBA{R: 0xe7, G: 0xe5, B: 0xe4, A: 0xff}
+
+	png, err := qr.PNG(-1)
+	if err != nil {
+		return "", fmt.Errorf("could not render qr code: %w", err)
+	}
+
+	file, err := os.CreateTemp("", "mudics-qr-code-*.png")
+	if err != nil {
+		return "", fmt.Errorf("could not save qr code: %w", err)
+	}
+	defer file.Close()
+
+	_, err = file.Write(png)
+	if err != nil {
+		return "", fmt.Errorf("could not write qr code to file: %w", err)
+	}
+
+	return file.Name(), nil
+}

display/requests/openWebsite.bru

@@ -0,0 +1,22 @@
+meta {
+  name: openWebsite
+  type: http
+  seq: 10
+}
+
+patch {
+  url: 127.0.0.1:1323/api/openWebsite
+  body: json
+  auth: inherit
+}
+
+body:json {
+  {
+    "url": "https://example.com"
+  }
+}
+
+settings {
+  encodeUrl: true
+  timeout: 0
+}

display/web/embed.go

@@ -1,12 +0,0 @@
-package web
-
-import (
-	"embed"
-	"io/fs"
-)
-
-//go:embed all:static
-var staticDir embed.FS
-
-// BuildDirFS contains the embedded dist directory files (without the "build" prefix)
-var StaticDirFS, _ = fs.Sub(staticDir, "static")

display/web/main.go

@@ -1,53 +1,27 @@
 package web
 
 import (
-	"bytes"
-	"context"
 	"errors"
 	"fmt"
-	"image/color"
 	"io"
 	"log/slog"
-	"net"
 	"net/http"
 	"net/url"
 	"os"
 	"os/exec"
 	"path/filepath"
 	shared "plg-mudics/shared"
-	"strings"
 
-	"github.com/gabriel-vasile/mimetype"
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
-	"github.com/skip2/go-qrcode"
 
+	"plg-mudics/display/browser"
 	"plg-mudics/display/pkg"
 )
 
-var version string
+func StartWebServer(port string) {
-var sseConnection chan string
-
-func StartWebServer(v string, port string) {
-	version = v
-
 	e := echo.New()
 
-	e.GET("/", indexRoute)
-	e.GET("/sse", sseRoute)
-	e.GET("/splash", func(ctx echo.Context) error {
-		html := shared.SplashScreenTemplate
-		html = strings.ReplaceAll(html, "%%APP-VERSION%%", version)
-		return ctx.HTML(http.StatusOK, html)
-	})
-	e.GET("/qr", qrRoute)
-
-	staticGroup := e.Group("/static")
-	staticGroup.Use(middleware.StaticWithConfig(middleware.StaticConfig{
-		Filesystem: http.FS(StaticDirFS),
-		HTML5:      true,
-	}))
-
 	apiGroup := e.Group("/api")
 	apiGroup.Use(middleware.CORS())
 	apiGroup.GET("/ping", pingRoute)
@@ -55,6 +29,7 @@ func StartWebServer(v string, port string) {
 	apiGroup.PATCH("/keyboardInput", keyboardInputRoute)
 	apiGroup.PATCH("/showHTML", showHTMLRoute)
 	apiGroup.PATCH("/takeScreenshot", takeScreenshotRoute)
+	apiGroup.PATCH("/openWebsite", openWebsiteRoute)
 
 	fileGroup := apiGroup.Group("/file")
 	fileGroup.Use(extractFilePathMiddleware)
@@ -69,85 +44,6 @@ func StartWebServer(v string, port string) {
 	}
 }
 
-func indexRoute(ctx echo.Context) error {
-	return indexTemplate().Render(ctx.Request().Context(), ctx.Response().Writer)
-}
-
-func sseRoute(ctx echo.Context) error {
-	slog.Info("SSE client connected")
-
-	w := ctx.Response()
-	w.Header().Set("Content-Type", "text/event-stream")
-	w.Header().Set("Cache-Control", "no-cache")
-	w.Header().Set("Connection", "keep-alive")
-	w.WriteHeader(http.StatusOK)
-	flusher, _ := w.Writer.(http.Flusher)
-
-	sseConnection = make(chan string)
-
-	// init display
-	ip, err := pkg.GetDeviceIp()
-	if err != nil {
-		slog.Error("Failed to get device IP address", "error", err)
-	}
-	mac, err := pkg.GetDeviceMac()
-	if err != nil {
-		slog.Error("Failed to get device MAC address", "error", err)
-	}
-	showQR := !isPortFree(8080)
-	var status bytes.Buffer
-	deviceInfoTemplate(ip, mac, showQR).Render(context.Background(), &status)
-	connectedEvent := Event{
-		Data: status.Bytes(),
-	}
-	connectedEvent.MarshalTo(w)
-	flusher.Flush()
-
-	for {
-		select {
-		case <-ctx.Request().Context().Done():
-			slog.Info("SSE client disconnected")
-			sseConnection = nil
-			return nil
-
-		case event := <-sseConnection:
-			rawEvent := Event{
-				Event: []byte(""),
-				Data:  []byte(event),
-			}
-
-			if err := rawEvent.MarshalTo(w); err != nil {
-				slog.Warn("Error writing to client", "error", err)
-				return err
-			}
-			flusher.Flush()
-		}
-	}
-}
-
-func qrRoute(c echo.Context) error {
-	data := c.QueryParam("data")
-	if data == "" {
-		return c.String(http.StatusBadRequest, "missing data")
-	}
-
-	qr, err := qrcode.New(data, qrcode.Medium)
-	if err != nil {
-		return c.String(http.StatusInternalServerError, "could not generate qr")
-	}
-
-	qr.DisableBorder = true
-	qr.ForegroundColor = color.RGBA{R: 0x1c, G: 0x19, B: 0x17, A: 0xff}
-	qr.BackgroundColor = color.RGBA{R: 0xe7, G: 0xe5, B: 0xe4, A: 0xff}
-
-	png, err := qr.PNG(-1)
-	if err != nil {
-		return c.String(http.StatusInternalServerError, "could not encode png")
-	}
-
-	return c.Blob(http.StatusOK, "image/png", png)
-}
-
 func extractFilePathMiddleware(next echo.HandlerFunc) echo.HandlerFunc {
 	return func(ctx echo.Context) error {
 		raw := ctx.Param("path")
@@ -308,38 +204,7 @@ func openFileRoute(ctx echo.Context) error {
 		return ctx.JSON(http.StatusNotFound, shared.ErrorResponse{Description: "File not found"})
 	}
 
-	if sseConnection == nil {
+	err = pkg.OpenFile(fullPath)
-		return ctx.JSON(http.StatusInternalServerError, shared.ErrorResponse{Description: "Cant connect to display browser client"})
-	}
-
-	err = resetView()
-	if err != nil {
-		slog.Error("Failed to reset view", "error", err)
-	}
-
-	mType, err := mimetype.DetectFile(fullPath)
-	if err != nil {
-		slog.Error("Failed to detect mime type", "file", pathParam, "error", err)
-		return ctx.JSON(http.StatusInternalServerError, shared.ErrorResponse{Description: "Failed to detect file type"})
-	}
-
-	switch mType.String() {
-	case "video/mp4":
-		var templateBuffer bytes.Buffer
-		videoTemplate(pathParam).Render(context.Background(), &templateBuffer)
-
-		sseConnection <- templateBuffer.String()
-	case "image/jpeg", "image/png", "image/gif":
-		var templateBuffer bytes.Buffer
-		imageTemplate(pathParam).Render(context.Background(), &templateBuffer)
-		sseConnection <- templateBuffer.String()
-	case "application/pdf", "application/vnd.openxmlformats-officedocument.presentationml.presentation", "application/vnd.oasis.opendocument.presentation":
-		err = pkg.FileHandler.OpenFile(fullPath)
-	default:
-		slog.Info("Unsupported file type", "type", mType)
-		return ctx.JSON(http.StatusUnsupportedMediaType, shared.ErrorResponse{Description: "Unsupported file type: " + mType.String()})
-	}
-
 	if err != nil {
 		slog.Error("Failed to open file", "file", pathParam, "error", err)
 		return ctx.JSON(http.StatusInternalServerError, shared.ErrorResponse{Description: "Failed to open file"})
@@ -358,13 +223,12 @@ func showHTMLRoute(ctx echo.Context) error {
 		return ctx.JSON(http.StatusBadRequest, shared.ErrorResponse{Description: shared.BadRequestDescription})
 	}
 
-	err := resetView()
+	err := pkg.ShowHTML(request.HTML)
 	if err != nil {
-		slog.Error("Failed to reset view", "error", err)
+		slog.Error("Failed to open html", "error", err)
+		return ctx.JSON(http.StatusInternalServerError, shared.ErrorResponse{Description: "Failed to open html"})
 	}
 
-	sseConnection <- request.HTML
-
 	slog.Info("HTML content sent to client")
 	return ctx.JSON(http.StatusOK, struct{}{})
 }
@@ -372,7 +236,7 @@ func showHTMLRoute(ctx echo.Context) error {
 func pingRoute(ctx echo.Context) error {
 	return ctx.JSON(http.StatusOK, struct {
 		Version string `json:"version"`
-	}{Version: version})
+	}{Version: shared.Version})
 }
 
 func takeScreenshotRoute(ctx echo.Context) error {
@@ -415,24 +279,18 @@ func previewRoute(ctx echo.Context) error {
 	return ctx.File(outputFilePath)
 }
 
-// Reset previous file views so they dont collide with the new one
+func openWebsiteRoute(ctx echo.Context) error {
-func resetView() error {
+	var request struct {
-	err := pkg.FileHandler.CloseRunningProgram()
+		URL string `json:"url"`
-	if err != nil {
+	}
-		return fmt.Errorf("failed to close running program: %w", err)
+	if err := ctx.Bind(&request); err != nil {
+		slog.Error("Failed to parse website input", "error", err)
+		return ctx.JSON(http.StatusBadRequest, shared.ErrorResponse{Description: shared.BadRequestDescription})
 	}
 
-	sseConnection <- ""
+	slog.Info("Opening url")
 
-	return nil
+	browser.Browser.OpenPage(request.URL)
-}
 
-func isPortFree(port int) bool {
+	return ctx.JSON(http.StatusOK, struct{}{})
-	addr := fmt.Sprintf("127.0.0.1:%d", port)
-	l, err := net.Listen("tcp", addr)
-	if err != nil {
-		return false
-	}
-	_ = l.Close()
-	return true
 }

display/web/main.templ

@@ -1,123 +0,0 @@
-package web
-
-templ indexTemplate() {
-	<!DOCTYPE html>
-	<html lang="en">
-		<head>
-			<meta charset="UTF-8"/>
-			<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-			<title>PLG MuDiCS Display</title>
-			<script src="/static/htmx.min.js"></script>
-			<script src="/static/htmx-ext-sse.min.js"></script>
-			<style>
-		:root {
-			--background-color: black;
-			--foreground-color: oklch(92.3% 0.003 48.717);
-			--font-size: 5rem;
-		}
-
-		body {
-			display: flex;
-			justify-content: center;
-			/* centers horizontally */
-			align-items: center;
-			/* centers vertically */
-			width: 100vw;
-			/* Viewport width */
-			height: 100vh;
-			/* Viewport height */
-			margin: 0;
-			padding: 0;
-			overflow: hidden;
-			background-color: var(--background-color);
-			color: var(--foreground-color);
-			font-family: ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
-			cursor: none;
-		}
-
-		video,
-		img,
-		iframe {
-			width: 100vw;
-			/* Viewport width */
-			height: 100vh;
-			/* Viewport height */
-			object-fit: contain;
-		}
-
-		p,
-		li {
-			font-size: var(--font-size);
-			line-height: 1.2;
-			text-wrap: balance;
-			max-width: 90vw;
-			word-break: break-word;
-			margin: 0 0 calc(var(--font-size) * 0.4) 0;
-		}
-
-		ul,
-		ol {
-			padding-left: calc(var(--font-size)*1.5);
-		}
-	</style>
-			<script>
-		document.addEventListener('keydown', function (event) {
-			if (event.code === 'Space') {
-				event.preventDefault();
-				var video = document.querySelector('video');
-				if (video) {
-					if (video.paused) {
-						video.play();
-					} else {
-						video.pause();
-					}
-				}
-			}
-		});
-	</script>
-		</head>
-		<bod>
-			<div hx-get="/splash" hx-trigger="load"></div>
-			<main hx-ext="sse" sse-connect="/sse" sse-swap="message"></main>
-		</bod>
-	</html>
-}
-
-templ videoTemplate(path string) {
-	<video autoplay>
-		<source src={ "/api/file/" + path } type="video/mp4"/>
-	</video>
-}
-
-templ imageTemplate(path string) {
-	<img src={ "/api/file/" + path }/>
-}
-
-templ deviceInfoTemplate(ip string, mac string, showQR bool) {
-	<div style="width: 100vw; height: 100vh; display: flex; flex-direction: row; justify-content: space-between;">
-		<div
-			style="display: flex; flex-direction: column; gap: 1rem; justify-content: end; padding: 2rem; font-size: 4rem;"
-		>
-			{ ip }
-			<span style="text-transform: uppercase;">{ mac }</span>
-		</div>
-		if showQR {
-			<div style="display: flex; justify-content: end; align-items: end; padding: 2rem;">
-				<div style="padding: 1rem; background-color: var(--foreground-color); border-radius: 1rem;">
-					<img
-						style="height: 30vh; width: auto; image-rendering: pixelated; image-rendering: crisp-edges;"
-						src={ "/qr?data=http://" + ip + ":8080" }
-						alt="QR-Code"
-					/>
-				</div>
-			</div>
-		}
-	</div>
-	<style>
-	:root {
-		--splash-bg: transparent !important;
-		--splash-fade-out-state: paused !important;
-		--background-color: oklch(21.6% 0.006 56.043);
-	}
-</style>
-}

display/web/sse.go

@@ -1,75 +0,0 @@
-package web
-
-import (
-	"bytes"
-	"fmt"
-	"io"
-)
-
-// Event represents Server-Sent Event.
-// SSE explanation: https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events#event_stream_format
-type Event struct {
-	// ID is used to set the EventSource object's last event ID value.
-	ID []byte
-	// Data field is for the message. When the EventSource receives multiple consecutive lines
-	// that begin with data:, it concatenates them, inserting a newline character between each one.
-	// Trailing newlines are removed.
-	Data []byte
-	// Event is a string identifying the type of event described. If this is specified, an event
-	// will be dispatched on the browser to the listener for the specified event name; the website
-	// source code should use addEventListener() to listen for named events. The onmessage handler
-	// is called if no event name is specified for a message.
-	Event []byte
-	// Retry is the reconnection time. If the connection to the server is lost, the browser will
-	// wait for the specified time before attempting to reconnect. This must be an integer, specifying
-	// the reconnection time in milliseconds. If a non-integer value is specified, the field is ignored.
-	Retry []byte
-	// Comment line can be used to prevent connections from timing out; a server can send a comment
-	// periodically to keep the connection alive.
-	Comment []byte
-}
-
-// MarshalTo marshals Event to given Writer
-func (ev *Event) MarshalTo(w io.Writer) error {
-	// Marshalling part is taken from: https://github.com/r3labs/sse/blob/c6d5381ee3ca63828b321c16baa008fd6c0b4564/http.go#L16
-	if len(ev.Data) == 0 && len(ev.Comment) == 0 {
-		return nil
-	}
-
-	if len(ev.Data) > 0 {
-		if _, err := fmt.Fprintf(w, "id: %s\n", ev.ID); err != nil {
-			return err
-		}
-
-		sd := bytes.Split(ev.Data, []byte("\n"))
-		for i := range sd {
-			if _, err := fmt.Fprintf(w, "data: %s\n", sd[i]); err != nil {
-				return err
-			}
-		}
-
-		if len(ev.Event) > 0 {
-			if _, err := fmt.Fprintf(w, "event: %s\n", ev.Event); err != nil {
-				return err
-			}
-		}
-
-		if len(ev.Retry) > 0 {
-			if _, err := fmt.Fprintf(w, "retry: %s\n", ev.Retry); err != nil {
-				return err
-			}
-		}
-	}
-
-	if len(ev.Comment) > 0 {
-		if _, err := fmt.Fprintf(w, ": %s\n", ev.Comment); err != nil {
-			return err
-		}
-	}
-
-	if _, err := fmt.Fprint(w, "\n"); err != nil {
-		return err
-	}
-
-	return nil
-}

display/web/static/htmx-ext-sse.min.js

@@ -1 +0,0 @@
-(function(){var g;htmx.defineExtension("sse",{init:function(e){g=e;if(htmx.createEventSource==undefined){htmx.createEventSource=t}},getSelectors:function(){return["[sse-connect]","[data-sse-connect]","[sse-swap]","[data-sse-swap]"]},onEvent:function(e,t){var r=t.target||t.detail.elt;switch(e){case"htmx:beforeCleanupElement":var n=g.getInternalData(r);var s=n.sseEventSource;if(s){g.triggerEvent(r,"htmx:sseClose",{source:s,type:"nodeReplaced"});n.sseEventSource.close()}return;case"htmx:afterProcessNode":i(r)}}});function t(e){return new EventSource(e,{withCredentials:true})}function a(n){if(g.getAttributeValue(n,"sse-swap")){var s=g.getClosestMatch(n,v);if(s==null){return null}var e=g.getInternalData(s);var a=e.sseEventSource;var t=g.getAttributeValue(n,"sse-swap");var r=t.split(",");for(var i=0;i<r.length;i++){const u=r[i].trim();const c=function(e){if(l(s)){return}if(!g.bodyContains(n)){a.removeEventListener(u,c);return}if(!g.triggerEvent(n,"htmx:sseBeforeMessage",e)){return}f(n,e.data);g.triggerEvent(n,"htmx:sseMessage",e)};g.getInternalData(n).sseEventListener=c;a.addEventListener(u,c)}}if(g.getAttributeValue(n,"hx-trigger")){var s=g.getClosestMatch(n,v);if(s==null){return null}var e=g.getInternalData(s);var a=e.sseEventSource;var o=g.getTriggerSpecs(n);o.forEach(function(t){if(t.trigger.slice(0,4)!=="sse:"){return}var r=function(e){if(l(s)){return}if(!g.bodyContains(n)){a.removeEventListener(t.trigger.slice(4),r)}htmx.trigger(n,t.trigger,e);htmx.trigger(n,"htmx:sseMessage",e)};g.getInternalData(n).sseEventListener=r;a.addEventListener(t.trigger.slice(4),r)})}}function i(e,t){if(e==null){return null}if(g.getAttributeValue(e,"sse-connect")){var r=g.getAttributeValue(e,"sse-connect");if(r==null){return}n(e,r,t)}a(e)}function n(r,e,n){var s=htmx.createEventSource(e);s.onerror=function(e){g.triggerErrorEvent(r,"htmx:sseError",{error:e,source:s});if(l(r)){return}if(s.readyState===EventSource.CLOSED){n=n||0;n=Math.max(Math.min(n*2,128),1);var t=n*500;window.setTimeout(function(){i(r,n)},t)}};s.onopen=function(e){g.triggerEvent(r,"htmx:sseOpen",{source:s});if(n&&n>0){const t=r.querySelectorAll("[sse-swap], [data-sse-swap], [hx-trigger], [data-hx-trigger]");for(let e=0;e<t.length;e++){a(t[e])}n=0}};g.getInternalData(r).sseEventSource=s;var t=g.getAttributeValue(r,"sse-close");if(t){s.addEventListener(t,function(){g.triggerEvent(r,"htmx:sseClose",{source:s,type:"message"});s.close()})}}function l(e){if(!g.bodyContains(e)){var t=g.getInternalData(e).sseEventSource;if(t!=undefined){g.triggerEvent(e,"htmx:sseClose",{source:t,type:"nodeMissing"});t.close();return true}}return false}function f(t,r){g.withExtensions(t,function(e){r=e.transformResponse(r,null,t)});var e=g.getSwapSpecification(t);var n=g.getTarget(t);g.swap(n,r,e,{contextElement:t})}function v(e){return g.getInternalData(e).sseEventSource!=null}})();

go.work.sum

@@ -1,4 +1,6 @@
 github.com/a-h/htmlformat v0.0.0-20250209131833-673be874c677/go.mod h1:FMIm5afKmEfarNbIXOaPHFY8X7fo+fRQB6I9MPG2nB0=
+github.com/ledongthuc/pdf v0.0.0-20220302134840-0c2507a12d80/go.mod h1:imJHygn/1yfhB7XSJJKlFZKl/J+dCPAknuiaGOshXAs=
+github.com/orisano/pixelmatch v0.0.0-20220722002657-fb0b55479cde/go.mod h1:nZgzbfBr3hhjoZnS66nKrHmduYNpc34ny7RK4z5/HM0=
 github.com/rs/cors v1.11.0/go.mod h1:XyqrcTp5zjWr1wsJ8PIRZssZ8b/WMcMf71DJnit4EMU=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=

nixos/configuration.nix

@@ -92,7 +92,6 @@
     nushell
     unzip
     iputils
-    xreader
     tree
     jq
 

shared/embed.go

@@ -6,7 +6,7 @@ import (
 )
 
 //go:embed splash_screen.html
-var SplashScreenTemplate string
+var RawSplashScreenTemplate string
 
 //go:embed version.txt
 var versionNotTrimmed string