helpers.go

@@ -1,113 +0,0 @@
-package main
-
-import (
-	"archive/zip"
-	"fmt"
-	"io"
-	"net/http"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-func DownloadCache() error {
-	resp, err := http.Get("https://thunderstore.io/api/v1/package/")
-	if err != nil {
-		return fmt.Errorf("couldn't download payload: %w", err)
-	}
-	defer resp.Body.Close()
-
-	if err := os.MkdirAll(TMPDIR, os.ModePerm); err != nil {
-		return fmt.Errorf("couldn't create tmpdir: %w", err)
-	}
-	out, err := os.Create(PAYLOAD)
-	if err != nil {
-		return fmt.Errorf("couldn't create file: %w", err)
-	}
-	defer out.Close()
-
-	if _, err := io.Copy(out, resp.Body); err != nil {
-		return fmt.Errorf("couldn't write to file: %w", err)
-	}
-
-	return nil
-}
-
-func DownloadBepinex() error {
-	tmpPath := TMPDIR + "/bepinex.zip"
-	resp, err := http.Get("https://github.com/BepInEx/BepInEx/releases/download/v5.4.23.2/BepInEx_win_x64_5.4.23.2.zip")
-	if err != nil {
-		return fmt.Errorf("could not download bepinex: %w", err)
-	}
-	defer resp.Body.Close()
-
-	out, err := os.Create(tmpPath)
-	if err != nil {
-		return fmt.Errorf("could not create file: %w", err)
-	}
-	defer out.Close()
-
-	_, err = io.Copy(out, resp.Body)
-	if err != nil {
-		return fmt.Errorf("could not save file: %w", err)
-	}
-
-	err = unzip(tmpPath, GAME_PATH)
-	if err != nil {
-		return fmt.Errorf("could not extract BepInEx: %w", err)
-	}
-
-	return nil
-}
-
-func unzip(src, dest string) error {
-	r, err := zip.OpenReader(src)
-	if err != nil {
-		return err
-	}
-	defer r.Close()
-
-	for _, f := range r.File {
-		fpath := filepath.Join(dest, f.Name)
-
-		if f.FileInfo().IsDir() {
-			os.MkdirAll(fpath, os.ModePerm)
-			continue
-		}
-
-		if err := os.MkdirAll(filepath.Dir(fpath), os.ModePerm); err != nil {
-			return err
-		}
-
-		outFile, err := os.OpenFile(fpath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
-		if err != nil {
-			return err
-		}
-
-		rc, err := f.Open()
-		if err != nil {
-			outFile.Close()
-			return err
-		}
-
-		_, err = io.Copy(outFile, rc)
-
-		outFile.Close()
-		rc.Close()
-
-		if err != nil {
-			return err
-		}
-	}
-	return nil
-}
-
-func SanitizeInput(input *string) error {
-	if *input == "" {
-		return fmt.Errorf("%s is not set", *input)
-	}
-	if strings.HasSuffix(*input, "/") {
-		*input = strings.TrimSuffix(*input, "/")
-	}
-	return nil
-}

spire.go

@@ -2,7 +2,9 @@ package main
 
 import (
 	"fmt"
+	"io"
 	"log"
+	"net/http"
 	"os"
 	"time"
 )
@@ -12,25 +14,18 @@ const (
 	PAYLOAD = TMPDIR + "/payload.json"
 )
 
-var GAME_PATH = os.Getenv("GAME_PATH")
-
 func main() {
-	getCache()
+	get_cache()
-	if err := SanitizeInput(&GAME_PATH); err != nil {
-		log.Fatal("GAME_PATH is not set")
-	}
-	installBepinex()
 }
 
-func getCache() error {
+func get_cache() error {
 	info, err := os.Stat(PAYLOAD)
 
 	if err != nil {
 		fmt.Println("payload isn't accessible, requesting")
-		DownloadCache()
+		download_cache()
 	} else if !(info.ModTime().After(time.Now().Add(-2 * time.Hour))) {
-		// download again if payload is older than 2 hours
+		download_cache()
-		DownloadCache()
 	} else {
 		fmt.Println("payload was updated recently, won't update")
 	}
@@ -38,13 +33,29 @@ func getCache() error {
 	return nil
 }
 
-func installBepinex() {
+func download_cache() error {
-	_, err := os.Stat(GAME_PATH + "/BepInEx")
+	resp, err := http.Get("https://thunderstore.io/api/v1/package/")
-
 	if err != nil {
-		// install bepinex
+		log.Fatal("couldn't download thunderstore payload")
-		DownloadBepinex()
+		return err
-	} else {
-		fmt.Println("bepinex already installed")
 	}
+	defer resp.Body.Close()
+
+	if err := os.MkdirAll(TMPDIR, os.ModePerm); err != nil {
+		log.Fatal("couldn't create tmpdir")
+		return err
+	}
+	out, err := os.Create(PAYLOAD)
+	if err != nil {
+		log.Fatal("couldn't create payload file")
+		return err
+	}
+	defer out.Close()
+
+	if _, err := io.Copy(out, resp.Body); err != nil {
+		log.Fatal("couldn't write to payload file")
+		return err
+	}
+
+	return nil
 }