commit b3cd52a8c736bd4e3dda47fe5cbadf39b88a2b17 Author: Arsen Musayelyan Date: Fri May 28 23:00:17 2021 -0700 Initial Commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..558d7b1 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +.idea/ +/webview-permafrost +/permafrost \ No newline at end of file diff --git a/.gitm.toml b/.gitm.toml new file mode 100644 index 0000000..e4a842f --- /dev/null +++ b/.gitm.toml @@ -0,0 +1,4 @@ +[repos] +origin = "ssh://git@192.168.100.62:2222/Arsen6331/permafrost.git" +gitlab = "git@gitlab.com:moussaelianarsen/permafrost.git" +github = "git@github.com:Arsen6331/permafrost.git" diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..b01f983 --- /dev/null +++ b/Makefile @@ -0,0 +1,9 @@ +all: + go build + go build ./cmd/webview-permafrost + +install: + install -Dm755 permafrost $(PREFIX)/usr/bin/permafrost + install -Dm755 webview-permafrost $(PREFIX)/usr/bin/webview-permafrost + install -Dm644 permafrost.desktop $(PREFIX)/usr/share/applications/permafrost.desktop + install -Dm644 default.png $(PREFIX)/usr/share/pixmaps/permafrost.png \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..5d08d4a --- /dev/null +++ b/README.md @@ -0,0 +1,4 @@ +# Permafrost +Lightweight single-site browser generator using Webview or Chrome/Chromium. + +### Usage diff --git a/cmd/webview-permafrost/main.go b/cmd/webview-permafrost/main.go new file mode 100644 index 0000000..d0c8350 --- /dev/null +++ b/cmd/webview-permafrost/main.go @@ -0,0 +1,44 @@ +package main + +import ( + flag "github.com/spf13/pflag" + "github.com/webview/webview" + "github.com/zserge/lorca" + "os" +) + +func main() { + url := flag.StringP("url", "u", "https://www.arsenm.dev", "URL to open in webview") + debug := flag.BoolP("debug", "d", false, "Enable webview debug mode") + width := flag.IntP("width", "w", 800, "Width of webview window") + height := flag.IntP("height", "h", 600, "Height of webview window") + chrome := flag.Bool("chrome", false, "Use chrome devtools protocol via lorca instead of webview") + flag.Parse() + + if *chrome { + // If chrome does not exist + if lorca.LocateChrome() == "" { + // Display download prompt + lorca.PromptDownload() + // Exit with code 1 + os.Exit(1) + } + // Create new lorca UI + l, _ := lorca.New(*url, "", *width, *height) + defer l.Close() + // Wait until window closed + <-l.Done() + } else { + // Create new webview + w := webview.New(*debug) + defer w.Destroy() + // Set title of webview window + w.SetTitle("WebView SSB") + // Set window size + w.SetSize(*width, *height, webview.HintNone) + // Navigate to specified URL + w.Navigate(*url) + // Run app + w.Run() + } +} diff --git a/create.go b/create.go new file mode 100644 index 0000000..02a8ca0 --- /dev/null +++ b/create.go @@ -0,0 +1,243 @@ +package main + +import ( + "bytes" + _ "embed" + "fmt" + "fyne.io/fyne/v2" + "fyne.io/fyne/v2/canvas" + "fyne.io/fyne/v2/container" + "fyne.io/fyne/v2/dialog" + "fyne.io/fyne/v2/layout" + "fyne.io/fyne/v2/storage" + "fyne.io/fyne/v2/widget" + "github.com/mat/besticon/ico" + "image" + "image/color" + "image/png" + "io" + "net/http" + "net/url" + "os" + "path/filepath" + "strings" +) + +//go:embed default.png +var defLogo []byte + +func createTab(window fyne.Window) *fyne.Container { + // Create entry field for name of SSB + ssbName := widget.NewEntry() + ssbName.SetPlaceHolder("App Name") + + // Create entry field for URL of SSB + ssbURL := widget.NewEntry() + ssbURL.SetPlaceHolder("App URL") + + // Create dropdown menu for category in desktop file + category := widget.NewSelectEntry([]string{ + "AudioVideo", + "Audio", + "Video", + "Development", + "Education", + "Game", + "Graphics", + "Network", + "Office", + "Settings", + "System", + "Utility", + }) + category.PlaceHolder = "Category" + + // Get default logo and decode as png + img, err := png.Decode(bytes.NewReader(defLogo)) + if err != nil { + errDisp(true, err, "Error decoding default logo", window) + } + // Get canvas image from png + defaultIcon := canvas.NewImageFromImage(img) + // Create new container for icon with placeholder line + iconContainer := container.NewMax(canvas.NewLine(color.Black)) + // Set default icon in container + setIcon(defaultIcon, iconContainer) + + // Create image selection dialog + selectImg := dialog.NewFileOpen(func(file fyne.URIReadCloser, err error) { + // Close file at end of function + defer file.Close() + if err != nil { + errDisp(true, err, "Error opening file", window) + } + // If no file selected, stop further execution of function + if file == nil { + return + } + // Get image from file reader + icon := canvas.NewImageFromReader(file, file.URI().Name()) + setIcon(icon, iconContainer) + }, window) + // Create filter constrained to images + selectImg.SetFilter(storage.NewMimeTypeFileFilter([]string{"image/*"})) + + // Create button to use favicon as icon + faviconBtn := widget.NewButton("Use favicon", func() { + // Attempt to parse URL + uri, err := url.ParseRequestURI(ssbURL.Text) + if err != nil { + errDisp(true, err, "Error parsing URL. Note that the scheme (https://) is required.", window) + return + } + // Attempt to get favicon using DuckDuckGo API + res, err := http.Get(fmt.Sprintf("https://external-content.duckduckgo.com/ip3/%s.ico", uri.Host)) + if err != nil { + errDisp(true, err, "Error getting favicon via DuckDuckGo API", window) + return + } + defer res.Body.Close() + // Attempt to decode data as ico file + favicon, err := ico.Decode(res.Body) + if err != nil { + errDisp(true, err, "Error decoding ico file", window) + return + } + // Get new image from decoded data + icon := canvas.NewImageFromImage(favicon) + setIcon(icon, iconContainer) + }) + + // Create vertical container + col := container.NewVBox( + category, + widget.NewButton("Select icon", selectImg.Show), + faviconBtn, + ) + + // Use home directory to get icon path + iconDir := filepath.Join(home, ".config", name, "icons") + + useChrome := widget.NewCheck("Use Chrome (not isolated)", nil) + + // Create new button that creates SSB + createBtn := widget.NewButton("Create", func() { + // Attempt to create SSB + err := createSSB(ssbName.Text, ssbURL.Text, category.Text, useChrome.Checked, iconContainer.Objects[0].(*canvas.Image).Image) + if err != nil { + errDisp(true, err, "Error creating SSB", window) + } + refreshRmBtns(window, iconDir, rmBtns) + ssbName.SetText("") + ssbURL.SetText("") + category.SetText("") + useChrome.SetChecked(false) + setIcon(defaultIcon, iconContainer) + }) + + // Create new vertical container + content := container.New(layout.NewVBoxLayout(), + ssbName, + ssbURL, + // Create dual-column container to house icon and fields + container.NewGridWithColumns(2, + container.NewVBox( + container.NewCenter(widget.NewLabel("Icon")), + iconContainer, + useChrome, + ), + col, + ), + // Add expanding spacer + layout.NewSpacer(), + createBtn, + ) + + // Return base container + return content +} + +func setIcon(img *canvas.Image, logoLayout *fyne.Container) { + // Expand image keeping aspect ratio + img.FillMode = canvas.ImageFillContain + // Set minimum image size to 50x50 + img.SetMinSize(fyne.NewSize(50, 50)) + // Replace image in layout + logoLayout.Objects[0] = img + // Refresh layout (update changes) + logoLayout.Refresh() +} + +func createSSB(ssbName, uri, category string, useChrome bool, icon image.Image) error { + // Parse provided URL for validity + _, err := url.ParseRequestURI(uri) + if err != nil { + return err + } + + // Use home directory to get various paths + configDir := filepath.Join(home, ".config", name) + iconDir := filepath.Join(configDir, "icons", ssbName) + desktopDir := filepath.Join(home, ".local", "share", "applications") + + // Create paths if nonexistent + err = makeDirs(configDir, iconDir, desktopDir) + if err != nil { + return err + } + + // Get paths to resources + iconPath := filepath.Join(iconDir, "icon.png") + desktopPath := filepath.Join(desktopDir, ssbName+".desktop") + + // Create icon file + iconFile, err := os.Create(iconPath) + if err != nil { + return err + } + // Encode icon as png, writing to file + err = png.Encode(iconFile, icon) + if err != nil { + return err + } + iconFile.Close() + + if useChrome { + uri += " --chrome" + } + + // Expand desktop file template with provided data + desktopStr := fmt.Sprintf(DesktopTemplate, + ssbName, + iconPath, + uri, + category, + ) + + // Create new executable desktop file + desktopFile, err := os.OpenFile(desktopPath, os.O_CREATE|os.O_RDWR, 0755) + if err != nil { + return err + } + // Copy expanded desktop file template to file + _, err = io.Copy(desktopFile, strings.NewReader(desktopStr)) + if err != nil { + return err + } + desktopFile.Close() + + return nil +} + +// Make all directories provided if they do not exist +func makeDirs(dirs ...string) error { + // For each directory + for _, dir := range dirs { + // Create directory and parents if required + err := os.MkdirAll(dir, 0755) + if err != nil { + return err + } + } + return nil +} diff --git a/default.png b/default.png new file mode 100644 index 0000000..3fbce2f Binary files /dev/null and b/default.png differ diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..d6fecd1 --- /dev/null +++ b/go.mod @@ -0,0 +1,12 @@ +module permafrost + +go 1.16 + +require ( + fyne.io/fyne/v2 v2.0.3 + github.com/mat/besticon v3.12.0+incompatible + github.com/rs/zerolog v1.22.0 + github.com/spf13/pflag v1.0.3 + github.com/webview/webview v0.0.0-20210330151455-f540d88dde4e + github.com/zserge/lorca v0.1.10 +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..6fab439 --- /dev/null +++ b/go.sum @@ -0,0 +1,102 @@ +fyne.io/fyne/v2 v2.0.3 h1:qzd2uLLrAVrNeqnLY44QZCsMxZwjoo1my+lMzHicMXY= +fyne.io/fyne/v2 v2.0.3/go.mod h1:nNpgL7sZkDVLraGtQII2ArNRnnl6kHup/KfQRxIhbvs= +github.com/Kodeworks/golang-image-ico v0.0.0-20141118225523-73f0f4cfade9/go.mod h1:7uhhqiBaR4CpN0k9rMjOtjpcfGd6DG2m04zQxKnWQ0I= +github.com/akavel/rsrc v0.8.0/go.mod h1:uLoCtb9J+EyAqh+26kdrTgmzRBFPGOolLWKpdxkKq+c= +github.com/coreos/go-systemd 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@@ -0,0 +1,38 @@ +package main + +import ( + "fyne.io/fyne/v2" + "fyne.io/fyne/v2/container" + "fyne.io/fyne/v2/dialog" + "fyne.io/fyne/v2/widget" + "github.com/rs/zerolog" + zlog "github.com/rs/zerolog/log" + "os" +) + +// Set global logger to zerolog +var log = zlog.Output(zerolog.ConsoleWriter{Out: os.Stderr}) + +func errDisp(gui bool, err error, msg string, window ...fyne.Window) { + // If gui is being used + if gui { + // Create new container with message label + content := container.NewVBox( + widget.NewLabel(msg), + ) + if err != nil { + // Add more details dropdown with error label + content.Add(widget.NewAccordion( + widget.NewAccordionItem("More Details", widget.NewLabel(err.Error())), + )) + } + // Create and show new custom dialog with container + dialog.NewCustom("Error", "Ok", content, window[0]).Show() + } else { + if err != nil { + log.Warn().Err(err).Msg(msg) + } else { + log.Warn().Msg(msg) + } + } +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..79f0d50 --- /dev/null +++ b/main.go @@ -0,0 +1,94 @@ +package main + +import ( + "fmt" + fyneApp "fyne.io/fyne/v2/app" + "fyne.io/fyne/v2/container" + flag "github.com/spf13/pflag" + "image" + "os" + "runtime" +) + +const name = "wvssb" + +var home string + +func init() { + // If not on linux, fatally log + if runtime.GOOS != "linux" { + log.Fatal().Msg("This tool only supports Linux.") + } + var err error + // Get user home directory + home, err = os.UserHomeDir() + if err != nil { + errDisp(false, err, "Error getting user home directory") + } +} + +func main() { + useGui := flag.BoolP("gui", "g", false, "Use GUI (ignores all other flags)") + create := flag.BoolP("create", "c", false, "Create new SSB") + remove := flag.BoolP("remove", "r", false, "Remove an existing SSB") + ssbName := flag.StringP("name", "n", "", "Name of SSB to create or remove") + url := flag.StringP("url", "u", "", "URL of new SSB") + category := flag.StringP("category", "C", "Network", "Category of new SSB") + iconPath := flag.StringP("icon", "i", "", "Path to icon for new SSB") + chrome := flag.Bool("chrome", false, "Use chrome via lorca instead of webview") + flag.ErrHelp = fmt.Errorf("help message for %s", name) + flag.Parse() + + // If --gui provided + if *useGui { + // Start GUI + initGUI() + } else { + // If --create provided + if *create { + // Open icon path provided via --icon + iconFile, err := os.Open(*iconPath) + if err != nil { + errDisp(false, err, "Error opening icon file") + } + defer iconFile.Close() + // Decode icon file into image.Image + icon, _, err := image.Decode(iconFile) + if err != nil { + errDisp(false, err, "Error decoding image from file") + } + // Attempt to create SSB using flag-provided values + err = createSSB(*ssbName, *url, *category, *chrome, icon) + if err != nil { + errDisp(false, err, "Error creating SSB") + } + } else if *remove { + // Attempt to remove ssb of name provided via --name + err := removeSSB(*ssbName) + if err != nil { + errDisp(false, err, "Error removing SSB") + } + } else { + // Show help screen + flag.Usage() + log.Fatal().Msg("Must provide --gui, --create, or --remove") + } + } +} + +func initGUI() { + app := fyneApp.New() + // Create new window with title + window := app.NewWindow("Webview SSB") + + // Create tab container + tabs := container.NewAppTabs( + container.NewTabItem("Create", createTab(window)), + container.NewTabItem("Remove", removeTab(window)), + ) + // Put tabs at the top of the window + tabs.SetTabLocation(container.TabLocationTop) + + window.SetContent(tabs) + window.ShowAndRun() +} diff --git a/permafrost.desktop b/permafrost.desktop new file mode 100644 index 0000000..12abe56 --- /dev/null +++ b/permafrost.desktop @@ -0,0 +1,7 @@ +[Desktop Entry] +Name=Permafrost +Icon=/usr/share/pixmaps/permafrost.png +Type=Application +Terminal=false +Exec=permafrost --gui +Categories=Network; \ No newline at end of file diff --git a/remove.go b/remove.go new file mode 100644 index 0000000..6592fb6 --- /dev/null +++ b/remove.go @@ -0,0 +1,98 @@ +package main + +import ( + "fmt" + "fyne.io/fyne/v2" + "fyne.io/fyne/v2/container" + "fyne.io/fyne/v2/dialog" + "fyne.io/fyne/v2/widget" + "os" + "path/filepath" +) + +var rmBtns *fyne.Container + +func removeTab(window fyne.Window) *fyne.Container { + // Use home directory to get various paths + configDir := filepath.Join(home, ".config", name) + iconDir := filepath.Join(configDir, "icons") + + // Create directories if they do not exist + err := makeDirs(configDir, iconDir) + if err != nil { + errDisp(true, err, "Error creating required directories", window) + } + + // Create new wrapping grid for remove buttons + rmBtns = container.NewGridWrap(fyne.NewSize(125, 75)) + + // Refresh remove buttons, adding any existing SSBs + refreshRmBtns(window, iconDir, rmBtns) + + return rmBtns +} + +func refreshRmBtns(window fyne.Window, iconDir string, rmBtns *fyne.Container) { + // Remove all objects from container + rmBtns.Objects = []fyne.CanvasObject{} + // List files in icon directory + ls, err := os.ReadDir(iconDir) + if err != nil { + errDisp(true, err, "Error listing icon directory", window) + } + for _, listing := range ls { + listingName := listing.Name() + // Get path for SSB icon + listingPath := filepath.Join(iconDir, listingName) + + // Load icon from path + img, err := fyne.LoadResourceFromPath(filepath.Join(listingPath, "icon.png")) + if err != nil { + errDisp(true, err, "Error loading icon as resource", window) + } + + // Create new button with icon + rmBtn := widget.NewButtonWithIcon(listingName, img, func() { + // Create and show new confirmation dialog + dialog.NewConfirm( + "Remove SSB", + fmt.Sprintf("Are you sure you want to remove %s?", listingName), + func(ok bool) { + if ok { + // Attempt to remove SSB + err = removeSSB(listingName) + if err != nil { + errDisp(true, err, "Error removing SSB", window) + } + refreshRmBtns(window, iconDir, rmBtns) + } + }, + window, + ).Show() + }) + // Add button to container + rmBtns.Objects = append(rmBtns.Objects, rmBtn) + } + // Refresh container (update changes) + rmBtns.Refresh() +} + +func removeSSB(ssbName string) error { + // Use home directory to get various paths + configDir := filepath.Join(home, ".config", name) + iconDir := filepath.Join(configDir, "icons", ssbName) + desktopDir := filepath.Join(home, ".local", "share", "applications") + + // Remove icon directory + err := os.RemoveAll(iconDir) + if err != nil { + return err + } + + // Remove desktop file + err = os.Remove(filepath.Join(desktopDir, ssbName+".desktop")) + if err != nil { + return err + } + return nil +} diff --git a/tmpl.go b/tmpl.go new file mode 100644 index 0000000..7602be6 --- /dev/null +++ b/tmpl.go @@ -0,0 +1,10 @@ +package main + +const DesktopTemplate = `#!/usr/bin/env xdg-open +[Desktop Entry] +Name=%s +Icon=%s +Type=Application +Terminal=false +Exec=webview-permafrost --url %s +Categories=%s;`