Updates

A bunch of updatesss

cmd/fileserver/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"flag"
 	"fmt"
 	"log"
 
@@ -9,7 +10,19 @@ import (
 )
 
 func main() {
-	cfg, err := config.LoadConfig("config.yaml")
+	var cfgFlag = flag.String("c", "config.yaml", "Configuration file to load")
+	var genFlag = flag.String("g", "", "Generate an example configuration to the given file")
+	flag.Parse()
+
+	if *genFlag != "" {
+		if err := config.WriteExampleConfig(*genFlag); err != nil {
+			log.Fatalf("Failed to create example config: %v", err)
+		}
+		log.Printf("Generated example configuration at: %s\n", *genFlag)
+		return
+	}
+
+	cfg, err := config.LoadConfig(*cfgFlag)
 	if err != nil {
 		log.Fatalf("Failed to load config: %v", err)
 	}

embed.go

@@ -4,3 +4,6 @@ import "embed"
 
 //go:embed templates/*
 var TemplateFS embed.FS
+
+//go:embed static/*
+var StaticFS embed.FS

internal/config/config.go

@@ -6,12 +6,34 @@ import (
 	"gopkg.in/yaml.v3"
 )
 
-type Config struct {
-	ServeDirectory string `yaml:"serveDirectory"`
-	Port           int    `int:"port"`
+var defaultCfg = Config{
+	ServerName: "My Fileserver",
+	Port:       8080,
+	Directories: []Directory{
+		{
+			Id:          "example",
+			DisplayName: "Example Directory",
+			Path:        "/path/to/directory",
+		},
+	},
 }
 
-// LoadConfig loads a Config from the given path.
+// Directory represents a configuration for a directory to be served.
+type Directory struct {
+	Id          string `yaml:"id"`
+	DisplayName string `yaml:"display_name"`
+	Description string `yaml:"description"`
+	Path        string `yaml:"path"`
+}
+
+// Config represents a configuration for the fileserver.
+type Config struct {
+	ServerName  string      `yaml:"server_name"`
+	Port        int         `yaml:"port"`
+	Directories []Directory `yaml:"directories"`
+}
+
+// LoadConfig loads configuration from a YAML file.
 func LoadConfig(path string) (*Config, error) {
 	data, err := os.ReadFile(path)
 	if err != nil {
@@ -25,3 +47,13 @@ func LoadConfig(path string) (*Config, error) {
 
 	return &cfg, nil
 }
+
+// WriteExampleConfig writes an example configuration to a YAML file.
+func WriteExampleConfig(filepath string) error {
+	data, err := yaml.Marshal(&defaultCfg)
+	if err != nil {
+		return err
+	}
+
+	return os.WriteFile(filepath, data, 0644)
+}

internal/server/controllers/directories.go

@@ -0,0 +1,16 @@
+package controllers
+
+import (
+	"git.zervo.org/zervo/fileserver/internal/config"
+	"git.zervo.org/zervo/fileserver/internal/server/views"
+	"github.com/kataras/iris/v12"
+)
+
+// DirectoriesRoute registers all routes under /directories
+func DirectoriesRoute(app *iris.Application, cfg *config.Config) {
+	party := app.Party("/directories")
+
+	party.Get("/", func(ctx iris.Context) {
+		views.DirectoriesView(ctx, cfg)
+	})
+}

internal/server/server.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"errors"
 	"fmt"
 	"io/fs"
 	"net/http"
@@ -9,6 +10,7 @@ import (
 
 	"git.zervo.org/zervo/fileserver"
 	"git.zervo.org/zervo/fileserver/internal/config"
+	"git.zervo.org/zervo/fileserver/internal/server/controllers"
 	"github.com/kataras/iris/v12"
 	"github.com/kataras/iris/v12/view"
 )
@@ -17,16 +19,23 @@ import (
 func Start(cfg *config.Config) error {
 	app := iris.New()
 
-	subFs, err := fs.Sub(fileserver.TemplateFS, "templates")
+	templates, err := fs.Sub(fileserver.TemplateFS, "templates")
 	if err != nil {
-		return fmt.Errorf("Failed to sub fs")
+		return errors.New("fs.Sub operation on TemplateFS")
 	}
 
-	tmpl := view.HTML(subFs, ".html")
-	app.RegisterView(tmpl)
+	templater := view.HTML(templates, ".html").Layout("layouts/main.html")
+	app.RegisterView(templater)
 
-	app.Get("/", func(ctx iris.Context) {
-		files, err := os.ReadDir(cfg.ServeDirectory)
+	// Register core routes
+	app.Get("/", index)
+	app.Get("/favicon.ico", favicon)
+
+	// Register controller routes
+	controllers.DirectoriesRoute(app, cfg)
+
+	app.Get("/aaa", func(ctx iris.Context) {
+		files, err := os.ReadDir("test")
 		if err != nil {
 			ctx.StatusCode(http.StatusInternalServerError)
 			ctx.WriteString("Could not read directory")
@@ -48,9 +57,25 @@ func Start(cfg *config.Config) error {
 
 	app.Get("/download/{filename:string}", func(ctx iris.Context) {
 		filename := ctx.Params().Get("filename")
-		filePath := filepath.Join(cfg.ServeDirectory, filename)
+		filePath := filepath.Join("test", filename)
 		ctx.SendFile(filePath, filename)
 	})
 
 	return app.Listen(":" + fmt.Sprint(cfg.Port))
 }
+
+// index redirects request from '/' to '/directories'.
+func index(ctx iris.Context) {
+	ctx.Redirect("/directories")
+}
+
+// favicon returns favicon data upon request.
+func favicon(ctx iris.Context) {
+	data, err := fileserver.StaticFS.ReadFile("static/favicon.ico")
+	if err != nil {
+		ctx.StatusCode(http.StatusNotFound)
+		return
+	}
+	ctx.ContentType("image/x-icon")
+	ctx.Write(data)
+}

internal/server/views/directories.go

@@ -0,0 +1,29 @@
+package views
+
+import (
+	"fmt"
+
+	"git.zervo.org/zervo/fileserver/internal/config"
+	"git.zervo.org/zervo/fileserver/internal/util/data"
+	"github.com/kataras/iris/v12"
+)
+
+type directorypage struct {
+	Directories []config.Directory
+}
+
+// DirectoriesView renders the view for '/directories'.
+func DirectoriesView(ctx iris.Context, cfg *config.Config) {
+	ctx.CompressWriter(true)
+	ctx.ViewData("", data.LayoutData{
+		ServerName:    cfg.ServerName,
+		ServerVersion: "0.0.1",
+		Page: directorypage{
+			Directories: cfg.Directories,
+		},
+	})
+	if err := ctx.View("directories.html"); err != nil {
+		errorView(ctx, fmt.Errorf("Failed to render DirectoriesView: %v", err))
+		return
+	}
+}

internal/server/views/error.go

@@ -0,0 +1,8 @@
+package views
+
+import "github.com/kataras/iris/v12"
+
+// errorView renders a view for unexpected errors.
+func errorView(ctx iris.Context, err error) {
+	ctx.HTML(`<h2>Unexpected Error</h2><br><p style="color:red;">%s</p>`, err.Error())
+}

internal/util/data/layout.go

@@ -0,0 +1,13 @@
+package data
+
+// LayoutData holds templating data for a layout.
+type LayoutData struct {
+	// ServerName is the custom name of the server instance.
+	ServerName string
+
+	// ServerVersion is a string representing the server version.
+	ServerVersion string
+
+	// Page contains page/view-specific data.
+	Page any
+}

templates/directories.html

@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<body class="ma-6">
+    <h4 class="mt-4 mb-3">Welcome To</h4>
+    {{ render "partials/badge.html" . }}
+    <h3 class="p-3 mb-3">Select Directory</h3>
+    <div class="d-flex flex-column align-items-center gap-4 mb-3">
+        {{range .Page.Directories}}
+        <div class="card shadow w-100 text-start bg-dark-subtle" style="max-width: 500px;">
+            <div class="card-body">
+                <h5 class="card-title text-primary"><i class="bi bi-folder2-open me-2"></i>{{.DisplayName}}</h5>
+                <p class="card-text">{{.Description}}</p>
+                <a href="/b/{{.Id}}" class="btn btn-primary"><i class="bi bi-arrow-up-right-square-fill me-1"></i>Open</a>
+            </div>
+        </div>  
+        {{else}}
+        <h5 class="text-warning-emphasis">
+            No directories found.<br>If you are the administrator of this server,<br>you can add directories in the server configuration.
+        </h5>
+        {{end}}
+    </div>
+</body>
+</html>

templates/layouts/main.html

@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html lang="en" data-bs-theme="dark">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-LN+7fdVzj6u52u30Kp6M/trliBMCMKTyK833zpbD+pXdCLuTusPj697FH4R/5mcr" crossorigin="anonymous">
+    <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.13.1/font/bootstrap-icons.min.css " rel="stylesheet">
+    <title>{{.ServerName}}</title>
+    <style>
+        html, body {
+            height: 100%;
+        }
+    </style>
+</head>
+<body class="d-flex flex-column min-vh-100">
+
+    <main class="flex-grow-1 d-flex justify-content-center">
+        <div class="container text-center">
+            {{ yield . }}
+        </div>
+    </main>
+
+    {{ render "partials/footer.html" . }}
+
+</footer>
+</body>
+</html>

templates/list.html

@@ -2,7 +2,6 @@
 <html>
 <head>
     <title>Go FileServer</title>
-    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-LN+7fdVzj6u52u30Kp6M/trliBMCMKTyK833zpbD+pXdCLuTusPj697FH4R/5mcr" crossorigin="anonymous">
 </head>
 <body class="container mt-5">
     <h1 class="mb-4">File Server</h1>

templates/partials/badge.html

@@ -0,0 +1,3 @@
+<div class="d-inline-block shadow p-2 px-3 mb-5 border rounded bg-dark-subtle">
+    <h1><i class="bi bi-file-zip me-2"></i>{{if .ServerName}}{{.ServerName}}{{else}}My Fileserver{{end}}</h1>
+</div>

templates/partials/footer.html

@@ -0,0 +1,23 @@
+<footer class="bg-secondary-subtle text-secondary-emphasis py-1 mt-auto w-100">
+    <div class="container">
+        <div class="d-flex flex-row justify-content-between text-center">
+            <div class="mt-2">
+                <h5>Fileserver</h5>
+            </div>
+            <div class="mt-2">
+                <a href="http://git.zervo.org/zervo/Fileserver" class="text-secondary-emphasis text-decoration-none mx-2">
+                    <i class="bi bi-git me-1"></i>Source
+                </a>
+                <a href="/directories" class="text-secondary-emphasis text-decoration-none mx-2">
+                    <i class="bi bi-folder-fill me-1"></i>Directories
+                </a>
+                <a href="#" class="text-secondary-emphasis text-decoration-none mx-2">
+                    <i class="bi bi-info-circle-fill me-1"></i>Information
+                </a>
+            </div>
+            <div class="mt-2">
+                <h5>v{{.ServerVersion}}</h5>
+            </div>
+        </div>
+    </div>
+</footer>