100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"strconv"
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"github.com/go-chi/chi/v5"
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)
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// Define a function to handle incoming requests
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func requestHandler(w http.ResponseWriter, r *http.Request) {
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// Get the 'name' variable from the request
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name := chi.URLParam(r, "name")
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// Use a default value if 'name' is not present
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if name == "" {
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name = "World"
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}
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// Respond with a greeting message
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fmt.Fprintf(w, "Hello, %s!\n", name)
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}
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const (
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EPD_7IN3F_BLACK = 0x0
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EPD_7IN3F_WHITE = 0x1
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EPD_7IN3F_GREEN = 0x2
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EPD_7IN3F_BLUE = 0x3
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EPD_7IN3F_RED = 0x4
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EPD_7IN3F_YELLOW = 0x5
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EPD_7IN3F_ORANGE = 0x6
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)
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func getImage(w http.ResponseWriter, r *http.Request) {
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colors := []byte{
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EPD_7IN3F_BLACK, EPD_7IN3F_BLUE, EPD_7IN3F_GREEN, EPD_7IN3F_ORANGE,
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EPD_7IN3F_RED, EPD_7IN3F_YELLOW, EPD_7IN3F_WHITE, EPD_7IN3F_WHITE,
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}
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var data []byte
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for i := 0; i < 240; i++ {
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for k := 0; k < 4; k++ {
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for j := 0; j < 100; j++ {
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data = append(data, (colors[k]<<4)|colors[k])
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}
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}
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}
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for i := 0; i < 240; i++ {
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for k := 4; k < 8; k++ {
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for j := 0; j < 100; j++ {
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data = append(data, (colors[k]<<4)|colors[k])
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}
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}
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}
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// // Fill the array with byte K
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// for i := 0; i < 800*480/2; i++ {
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// data = append(data, (colors[0]<<4)|colors[6])
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// }
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w.Header().Set("Content-Length", strconv.Itoa(len(data)))
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w.Write(data)
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}
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func basicAuth(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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username, password, ok := r.BasicAuth()
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if !ok || username != "username" || password != "password" {
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http.Error(w, "Unauthorized.", 401)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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func main() {
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fmt.Println("Hello, Nix!")
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// Create a new Chi router
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router := chi.NewRouter()
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// Register the requestHandler function to handle requests at the root path
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// and a path with the 'name' parameter
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router.Get("/", requestHandler)
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router.Get("/{name}", requestHandler)
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router.Group(func(r chi.Router) {
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// r.Use(basicAuth)
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r.Get("/getImage", getImage)
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})
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// Start the HTTP server on port 8080 and log any errors
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log.Fatal(http.ListenAndServe("0.0.0.0:8080", router))
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}
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