feat: Added init code
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ce5d474cda
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203B000478AD0EF1
131
main.go
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131
main.go
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package main
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import (
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"fmt"
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"html/template"
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"log"
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"net/http"
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"path/filepath"
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)
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func main() {
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http.HandleFunc("/", mainHandler)
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http.HandleFunc("/assets/", assetHandler)
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fmt.Println("Starting server on :3000 ...")
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log.Fatal(http.ListenAndServe(":3000", nil))
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}
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func mainHandler(w http.ResponseWriter, r *http.Request) {
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// Sanitize the path to prevent directory traversal attacks
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relPath := r.URL.Path
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if relPath == "/" {
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relPath = "/index"
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}
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// Check method
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switch r.Method {
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case http.MethodGet:
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getHandler(relPath, w, r)
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case http.MethodPost:
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postHandler(relPath, w, r)
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default:
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errorPage(405, w, r)
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}
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}
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func getHandler(relPath string, w http.ResponseWriter, r *http.Request) {
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tmplPath := filepath.Join("templates", filepath.Clean(relPath)+".html")
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// Parse the template
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tmpl, err := template.ParseFiles(tmplPath)
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if err != nil {
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errorPage(404, w, r)
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return
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}
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// Execute the template
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err = tmpl.Execute(w, nil)
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if err != nil {
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http.Error(w, "Error rendering template", http.StatusInternalServerError)
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}
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}
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func postHandler(relPath string, w http.ResponseWriter, r *http.Request) {
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switch relPath {
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case "/index":
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indexPostHandler(w, r)
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default:
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errorPage(405, w, r)
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}
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}
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func indexPostHandler(w http.ResponseWriter, r *http.Request) {
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// Parse the form data
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err := r.ParseForm()
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if err != nil {
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errorPage(500, w, r)
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return
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}
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// Get the form data
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message := r.FormValue("message")
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// Print the message to the console
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log.Printf("Message: %s", message)
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// Create a map to hold the data
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requestData := map[string]interface{}{
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"message": message,
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}
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// Return a page with message
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tmpl, err := template.ParseFiles("templates/index.html")
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if err != nil {
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errorPage(500, w, r)
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return
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}
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err = tmpl.Execute(w, requestData)
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}
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func errorPage(errorCode int, w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(errorCode)
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tmpl, err := template.ParseFiles("templates/error.html")
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if err != nil {
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log.Printf("Error loading error page template: %v", err)
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http.Error(w, "Error loading error page", http.StatusInternalServerError)
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return
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}
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errorMsgs := map[int]string{
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404: "Page not found for " + r.URL.Path,
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405: "Method not allowed",
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500: "Internal server error",
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}
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// Check if errorcode isn't in the map
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if _, ok := errorMsgs[errorCode]; !ok {
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errorCode = 500
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}
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// Correcting the initialization of the errorData map
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errorData := map[string]interface{}{
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"short": errorCode,
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"long": errorMsgs[errorCode],
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}
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err = tmpl.Execute(w, errorData)
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if err != nil {
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log.Printf("Error executing error page template: %v", err)
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http.Error(w, "Error rendering error page", http.StatusInternalServerError)
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}
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}
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func assetHandler(w http.ResponseWriter, r *http.Request) {
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// Serve static files from templates/assets
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http.ServeFile(w, r, filepath.Join("templates", filepath.Clean(r.URL.Path)))
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}
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13
templates/about.html
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13
templates/about.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Go HTML Template</title>
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<link rel="stylesheet" href="/assets/css/index.css">
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<link rel="icon" href="/assets/img/favicon.png">
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</head>
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<body>
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<h1>About page</h1>
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</body>
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</html>
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5
templates/assets/css/error.css
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5
templates/assets/css/error.css
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html {
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background-color: black;
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color: white;
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text-align: center;
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}
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4
templates/assets/css/index.css
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4
templates/assets/css/index.css
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html {
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background-color: black;
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color: white;
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}
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BIN
templates/assets/img/favicon.png
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BIN
templates/assets/img/favicon.png
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Binary file not shown.
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After Width: | Height: | Size: 44 KiB |
14
templates/error.html
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14
templates/error.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Error {{.short}}</title>
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<link rel="stylesheet" href="/assets/css/error.css">
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<link rel="icon" href="/assets/img/favicon.png">
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</head>
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<body>
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<h1>Error {{.short}}</h1>
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<p>{{.long}}</p>
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</body>
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</html>
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21
templates/index.html
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21
templates/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Go HTML Template</title>
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<link rel="stylesheet" href="/assets/css/index.css">
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<link rel="icon" href="/assets/img/favicon.png">
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</head>
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<body>
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<h1>Hello, World!</h1>
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{{if .message}}
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<p>{{.message}}</p>
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{{end}}
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<form action="/" method="post">
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<input type="text" name="message" placeholder="Enter your message">
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<button type="submit">Submit</button>
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</form>
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</body>
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</html>
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