@@ -1,3 +1,5 @@ 
 module git.icyphox.sh/fsrv
 
 go 1.16
+
+require github.com/h2non/filetype v1.1.1

@@ -0,0 +1,2 @@ 
+github.com/h2non/filetype v1.1.1 h1:xvOwnXKAckvtLWsN398qS9QhlxlnVXBjXBydK2/UFB4=
+github.com/h2non/filetype v1.1.1/go.mod h1:319b3zT68BvV+WRj7cwy856M2ehB3HqNOt6sy1HndBY=

@@ -0,0 +1,57 @@ 
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"path/filepath"
+
+	"github.com/h2non/filetype"
+)
+
+func runHooks(file string) {
+	hooks, err := os.ReadDir("hooks")
+	if err != nil {
+		log.Println(err)
+	}
+	for _, h := range hooks {
+		hookFile := getHook(file)
+		if h.Name() == hookFile {
+			log.Println("running hook:", hookFile)
+			cmd := exec.Command(filepath.Join("hooks", h.Name()), file)
+			stdout, _ := cmd.StdoutPipe()
+			cmd.Start()
+			s := bufio.NewScanner(stdout)
+			for s.Scan() {
+				fmt.Println(s.Text())
+			}
+		}
+	}
+}
+
+// Checks the MIME type of file and returns
+// the corresponding hook file.
+func getHook(file string) string {
+	// Not sure how many bytes the magic number takes, but 16
+	// is a good guess. I think.
+	magic := make([]byte, 16)
+
+	f, err := os.Open(file)
+	if err != nil {
+		log.Println(err)
+	}
+	defer f.Close()
+
+	_, err = f.Read(magic)
+	if err != nil {
+		log.Println(err)
+	}
+
+	t, err := filetype.Match(magic)
+	if err != nil {
+		log.Println(err)
+	}
+	return t.Extension + ".sh"
+}

@@ -0,0 +1,6 @@ 
+#!/bin/sh
+
+mkdir tmp
+7z x "$1" -otmp
+rsync -avz tmp/* jade:/mnt/music
+rm -rf tmp

@@ -36,13 +36,12 @@ switch r.Method {
 	case "POST":
 		key := r.FormValue("key")
 		useragent := r.Header.Get("User-Agent")
-		fmt.Println(key)
 		if key != s.key {
 			fmt.Fprintf(w, "incorrect key")
 			log.Printf("incorrect key: %+v", key)
 			return
 		}
-		r.ParseMultipartForm(20 << 20)
+		r.ParseMultipartForm(512 << 20)
 		file, handler, err := r.FormFile("file")
 		if err != nil {
 			log.Println(err)
@@ -61,6 +60,11 @@ newFile := randName(5) + ext
 		diskFile := filepath.Join(s.storepath, newFile)
 		os.WriteFile(diskFile, fileBytes, 0644)
 		log.Printf("wrote: %+v", diskFile)
+		abs, err := filepath.Abs(diskFile)
+		if err != nil {
+			log.Println(err)
+		}
+		runHooks(abs)
 
 		fileUrl := s.url + "/" + newFile
 		if strings.Contains(useragent, "curl/") {