spotlightishere/main.go

## main.go
package main

import (
	"fmt"
	"image"
	"image/png"
	"log"
	"net/http"
	"strconv"
)

var global image.Image

func main() {
	http.HandleFunc("/", primaryHandler)
	http.HandleFunc("/img", imageHandler)

	log.Println(http.ListenAndServeTLS("[::1]:443", "cert.pem", "key.pem", http.DefaultServeMux))
}

func primaryHandler(w http.ResponseWriter, r *http.Request) {
	switch r.Method {
	case "GET":
		w.Write([]byte(`
<!DOCTYPE html>
<html>
	<head>
		<title>puuuush</title>
	</head>
	<body>
		<form action="/" method="post" enctype="multipart/form-data">
		  <input type="file" name="fileToUpload" id="fileToUpload">
		  <input type="submit" value="Upload Image" name="submit">
		</form>
	</body>
</html>
`))
	case "POST":
		file, _, _ := r.FormFile("fileToUpload")

		// Interpret image
		img, _ := png.Decode(file)
		log.Println(img.Bounds())
		global = img

		pusher, ok := w.(http.Pusher)
		if !ok {
			w.WriteHeader(500)
			w.Write([]byte("lol"))
			return
		}

		body := `
<!DOCTYPE html>
<html>
	<head>
		<title>puuuush</title>
		<style>
			body {
				line-height: 0px;
				font-size: 0px;
			}
		</style>
	</head>
	<body>
`

		// Run through the y axis so we can create a new line on images.
		maxX := img.Bounds().Max.X
		maxY := img.Bounds().Max.Y

		for y := 0; y < maxY; y++ {
			// Register all X positions possible for this area.
			for x := 0; x < maxX; x++ {
				url := fmt.Sprintf("/img?x=%d&y=%d", x, y)
				body += fmt.Sprintf("<img src='%s'>", url)

				if err := pusher.Push(url, nil); err != nil {
					log.Printf("Failed to push: %v", err)
				}
			}

			// And now, a newline.
			body += "<br>"
			log.Println(y)
		}

		// And we're done.
		body += `
	</body>
</html>
`
		log.Print("Sending...")
		w.Write([]byte(body))

	default:
		w.Write([]byte("what the fuck are you doing?"))
	}
	return
}

func imageHandler(w http.ResponseWriter, r *http.Request) {
	queries := r.URL.Query()
	xS := queries["x"][0]
	x, _ := strconv.Atoi(xS)

	yS := queries["y"][0]
	y, _ := strconv.Atoi(yS)

	// I am so sorry.
	img := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{1, 1}})
	img.Set(0, 0, global.At(x, y))

	// I truly am sorry.
	w.Header().Set("Content-Type", "image/png")
	png.Encode(w, img)
	return
}
	package main

	import (
	"fmt"
	"image"
	"image/png"
	"log"
	"net/http"
	"strconv"
	)

	var global image.Image

	func main() {
	http.HandleFunc("/", primaryHandler)
	http.HandleFunc("/img", imageHandler)

	log.Println(http.ListenAndServeTLS("[::1]:443", "cert.pem", "key.pem", http.DefaultServeMux))
	}

	func primaryHandler(w http.ResponseWriter, r *http.Request) {
	switch r.Method {
	case "GET":
	w.Write([]byte(`
	<!DOCTYPE html>
	<html>
	<head>
	<title>puuuush</title>
	</head>
	<body>
	<form action="/" method="post" enctype="multipart/form-data">
	<input type="file" name="fileToUpload" id="fileToUpload">
	<input type="submit" value="Upload Image" name="submit">
	</form>
	</body>
	</html>
	`))
	case "POST":
	file, _, _ := r.FormFile("fileToUpload")

	// Interpret image
	img, _ := png.Decode(file)
	log.Println(img.Bounds())
	global = img

	pusher, ok := w.(http.Pusher)
	if !ok {
	w.WriteHeader(500)
	w.Write([]byte("lol"))
	return
	}

	body := `
	<!DOCTYPE html>
	<html>
	<head>
	<title>puuuush</title>
	<style>
	body {
	line-height: 0px;
	font-size: 0px;
	}
	</style>
	</head>
	<body>
	`

	// Run through the y axis so we can create a new line on images.
	maxX := img.Bounds().Max.X
	maxY := img.Bounds().Max.Y

	for y := 0; y < maxY; y++ {
	// Register all X positions possible for this area.
	for x := 0; x < maxX; x++ {
	url := fmt.Sprintf("/img?x=%d&y=%d", x, y)
	body += fmt.Sprintf("<img src='%s'>", url)

	if err := pusher.Push(url, nil); err != nil {
	log.Printf("Failed to push: %v", err)
	}
	}

	// And now, a newline.
	body += "<br>"
	log.Println(y)
	}

	// And we're done.
	body += `
	</body>
	</html>
	`
	log.Print("Sending...")
	w.Write([]byte(body))

	default:
	w.Write([]byte("what the fuck are you doing?"))
	}
	return
	}

	func imageHandler(w http.ResponseWriter, r *http.Request) {
	queries := r.URL.Query()
	xS := queries["x"][0]
	x, _ := strconv.Atoi(xS)

	yS := queries["y"][0]
	y, _ := strconv.Atoi(yS)

	// I am so sorry.
	img := image.NewRGBA(image.Rectangle{image.Point{0, 0}, image.Point{1, 1}})
	img.Set(0, 0, global.At(x, y))

	// I truly am sorry.
	w.Header().Set("Content-Type", "image/png")
	png.Encode(w, img)
	return
	}