Add post-terminate hook

.hooks/post-terminate

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+echo "Upload $TUS_ID terminated"
+cat /dev/stdin | jq .

cmd/tusd/main.go

@@ -138,6 +138,7 @@ func main() {
 		BasePath:                basepath,
 		StoreComposer:           composer,
 		NotifyCompleteUploads:   true,
+		NotifyTerminatedUploads: true,
 	})
 	if err != nil {
 		stderr.Fatalf("Unable to create handler: %s", err)
@@ -152,7 +153,9 @@ func main() {
 		for {
 			select {
 			case info := <-handler.CompleteUploads:
-				invokeHook(info)
+				invokeHook("post-finish", info)
+			case info := <-handler.TerminatedUploads:
+				invokeHook("post-terminate", info)
 			}
 		}
 	}()
@@ -176,16 +179,21 @@ func main() {
 	}
 }
 
-func invokeHook(info tusd.FileInfo) {
+func invokeHook(name string, info tusd.FileInfo) {
+	switch name {
+	case "post-finish":
 		stdout.Printf("Upload %s (%d bytes) finished\n", info.ID, info.Size)
+	case "post-terminate":
+		stdout.Printf("Upload %s terminated\n", info.ID)
+	}
 
 	if !hookInstalled {
 		return
 	}
 
-	stdout.Println("Invoking hooks…")
+	stdout.Printf("Invoking %s hook…\n", name)
 
-	cmd := exec.Command(hooksDir + "/post-finish")
+	cmd := exec.Command(hooksDir + "/" + name)
 	env := os.Environ()
 	env = append(env, "TUS_ID="+info.ID)
 	env = append(env, "TUS_SIZE="+strconv.FormatInt(info.Size, 10))
@@ -206,7 +214,7 @@ func invokeHook(info tusd.FileInfo) {
 	go func() {
 		err := cmd.Run()
 		if err != nil {
-			stderr.Printf("Error running postfinish hook for %s: %s", info.ID, err)
+			stderr.Printf("Error running %s hook for %s: %s", name, info.ID, err)
 		}
 	}()
 }

config.go

@@ -28,6 +28,9 @@ type Config struct {
 	// Initiate the CompleteUploads channel in the Handler struct in order to
 	// be notified about complete uploads
 	NotifyCompleteUploads bool
+	// NotifyTerminatedUploads indicates whether sending notifications about
+	// terminated uploads using the TerminatedUploads channel should be enabled.
+	NotifyTerminatedUploads bool
 	// Logger the logger to use internally
 	Logger *log.Logger
 	// Respect the X-Forwarded-Host, X-Forwarded-Proto and Forwarded headers

terminate_test.go

@@ -5,6 +5,8 @@ import (
 	"testing"
 
 	. "github.com/tus/tusd"
+
+	"github.com/stretchr/testify/assert"
 )
 
 type terminateStore struct {
@@ -12,6 +14,13 @@ type terminateStore struct {
 	zeroStore
 }
 
+func (s terminateStore) GetInfo(id string) (FileInfo, error) {
+	return FileInfo{
+		ID:   id,
+		Size: 10,
+	}, nil
+}
+
 func (s terminateStore) Terminate(id string) error {
 	if id != "foo" {
 		s.t.Fatal("unexpected id")
@@ -24,8 +33,12 @@ func TestTerminate(t *testing.T) {
 		DataStore: terminateStore{
 			t: t,
 		},
+		NotifyTerminatedUploads: true,
 	})
 
+	c := make(chan FileInfo, 1)
+	handler.TerminatedUploads = c
+
 	(&httpTest{
 		Name:   "Successful OPTIONS request",
 		Method: "OPTIONS",
@@ -45,6 +58,12 @@ func TestTerminate(t *testing.T) {
 		},
 		Code: http.StatusNoContent,
 	}).Run(handler, t)
+
+	info := <-c
+
+	a := assert.New(t)
+	a.Equal("foo", info.ID)
+	a.Equal(int64(10), info.Size)
 }
 
 func TestTerminateNotImplemented(t *testing.T) {

unrouted_handler.go

@@ -66,6 +66,12 @@ type UnroutedHandler struct {
 	// this unbuffered channel. The NotifyCompleteUploads property in the Config
 	// struct must be set to true in order to work.
 	CompleteUploads chan FileInfo
+	// TerminatedUploads is used to send notifications whenever an upload is
+	// terminated by a user. The FileInfo will contain information about This
+	// upload gathered before the termination. Sending to this channel will only
+	// happen if the NotifyTerminatedUploads field is set to true in the Config
+	// structure.
+	TerminatedUploads chan FileInfo
 }
 
 // NewUnroutedHandler creates a new handler without routing using the given
@@ -92,6 +98,7 @@ func NewUnroutedHandler(config Config) (*UnroutedHandler, error) {
 		basePath:          config.BasePath,
 		isBasePathAbs:     config.isAbs,
 		CompleteUploads:   make(chan FileInfo),
+		TerminatedUploads: make(chan FileInfo),
 		logger:            config.Logger,
 		extensions:        extensions,
 	}
@@ -461,6 +468,15 @@ func (handler *UnroutedHandler) DelFile(w http.ResponseWriter, r *http.Request)
 		defer locker.UnlockUpload(id)
 	}
 
+	var info FileInfo
+	if handler.config.NotifyTerminatedUploads {
+		info, err = handler.composer.Core.GetInfo(id)
+		if err != nil {
+			handler.sendError(w, r, err)
+			return
+		}
+	}
+
 	err = handler.composer.Terminater.Terminate(id)
 	if err != nil {
 		handler.sendError(w, r, err)
@@ -468,6 +484,10 @@ func (handler *UnroutedHandler) DelFile(w http.ResponseWriter, r *http.Request)
 	}
 
 	w.WriteHeader(http.StatusNoContent)
+
+	if handler.config.NotifyTerminatedUploads {
+		handler.TerminatedUploads <- info
+	}
 }
 
 // Send the error in the response body. The status code will be looked up in