Initial Commit

go.mod

@@ -0,0 +1,3 @@
+module mii-fetch
+
+go 1.22

handlers/mii.go

@@ -0,0 +1,36 @@
+package handlers
+
+import (
+	"net/http"
+	"strings"
+
+	"mii-fetch/services"
+)
+
+func MiiHandler(w http.ResponseWriter, r *http.Request) {
+	path := strings.TrimPrefix(r.URL.Path, "/")
+	parts := strings.Split(path, "/")
+
+	if len(parts) < 2 {
+		http.Error(w, "Invalid request", http.StatusBadRequest)
+		return
+	}
+
+	pid := parts[0]
+	filename := parts[1]
+
+	// block favicon cuz fuck u
+	if strings.Contains(pid, "favicon") || strings.Contains(filename, "favicon") {
+		w.WriteHeader(http.StatusNoContent)
+		return
+	}
+
+	imgBytes, err := services.FetchMii(pid)
+	if err != nil {
+		http.Error(w, err.Message, err.Code)
+		return
+	}
+
+	w.Header().Set("Content-Type", "image/png")
+	w.Write(imgBytes)
+}

main.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"log"
+	"net/http"
+
+	"mii-fetch/handlers"
+)
+
+func main() {
+	mux := http.NewServeMux()
+	mux.HandleFunc("/", handlers.MiiHandler)
+
+	log.Println("server running on :80")
+	err := http.ListenAndServe(":80", mux)
+	if err != nil {
+		log.Fatal(err)
+	}
+}

services/mii_handler.go

@@ -0,0 +1,67 @@
+package services
+
+import (
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+)
+
+type ServiceError struct {
+	Message string
+	Code    int
+}
+
+func FetchMii(pid string) ([]byte, *ServiceError) {
+	client := &http.Client{Timeout: 10 * time.Second}
+
+	spfnURL := fmt.Sprintf("https://account.spfn.net/api/v2/users/%s/mii", pid)
+
+	req, _ := http.NewRequest("GET", spfnURL, nil)
+	req.Header.Set("Accept", "application/json")
+	req.Header.Set("User-Agent", "what we think about v/s 6.0?")
+
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, &ServiceError{"internal server error", 500}
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode != 200 {
+		return nil, &ServiceError{"user not found", 404}
+	}
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var miiData string
+	if err := json.Unmarshal(body, &miiData); err != nil {
+		return nil, &ServiceError{"invalid response", 500}
+	}
+
+	miiData = strings.TrimSpace(miiData)
+	miiData = strings.ReplaceAll(miiData, "\r", "")
+	miiData = strings.ReplaceAll(miiData, "\n", "")
+
+	encoded := url.QueryEscape(miiData)
+
+	renderURL := fmt.Sprintf(
+		"https://mii-unsecure.ariankordi.net/miis/image.png?data=%s&resourceType=very_high&type=face&width=256",
+		encoded,
+	)
+
+	imgResp, err := client.Get(renderURL)
+	if err != nil {
+		return nil, &ServiceError{"renderer failed", 502}
+	}
+	defer imgResp.Body.Close()
+
+	if imgResp.StatusCode != 200 {
+		return nil, &ServiceError{"mii renderer failed", 502}
+	}
+
+	imgBytes, _ := io.ReadAll(imgResp.Body)
+	return imgBytes, nil
+}

utils/http.go

@@ -0,0 +1 @@
+package utils