Get rid of packr, update all dependencies

Author: ale-rinaldi

.github/workflows/build.yml

@@ -21,9 +21,6 @@ jobs:
       with:
         go-version: '1.25.3'
 
-    - name: Install packr2
-      run: go get github.com/gobuffalo/packr/v2/packr2@latest
-    
     - name: Build frontend
       run: |
         cd webmanager

.gitignore

@@ -1,2 +1,3 @@
 /dist
 .DS_Store
+internal/assets/browser

Makefile

@@ -1,5 +1,11 @@
 # All
-all: packr client server packr-clean
+all: copy-assets client server cleanup-assets
+
+copy-assets:
+	cp -r webmanager/dist/webmanager/browser internal/assets/
+
+cleanup-assets:
+	rm -rf internal/assets/browser
 
 # Client build commands
 client-linux-i386:
@@ -33,19 +39,6 @@ server-windows-amd64:
 server-darwin-amd64:
 	GOOS=darwin GOARCH=amd64 ./build-scripts/build.sh server
 
-# Packr
-packr-client:
-	cd cmd/engarde-client && packr2
-packr-server:
-	cd cmd/engarde-server && packr2
-packr-clean-client:
-	cd cmd/engarde-client && packr2 clean
-packr-clean-server:
-	cd cmd/engarde-server && packr2 clean
-
-packr: packr-client packr-server
-packr-clean: packr-clean-client packr-clean-server
-
 # Platform-specific builds
 linux-i386: client-linux-i386 server-linux-i386
 linux-amd64: client-linux-amd64 server-linux-amd64

cmd/engarde-client/webserver.go

@@ -3,12 +3,13 @@ package main
 import (
 	"crypto/subtle"
 	"encoding/json"
-	"io/ioutil"
+	"io"
+	"io/fs"
 	"net"
 	"net/http"
 	"time"
 
-	"github.com/gobuffalo/packr/v2"
+	"github.com/porech/engarde/v2/internal/assets"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -36,21 +37,26 @@ func webBasicAuth(handler http.HandlerFunc, username, password, realm string) ht
 	}
 }
 
-func webHandleFileServer(box *packr.Box, prefix string) http.HandlerFunc {
-	fs := http.FileServer(box)
-	realHandler := fs.ServeHTTP
+func webHandleFileServer(webFS fs.FS) http.HandlerFunc {
+	fs := http.FileServer(http.FS(webFS))
 	return func(w http.ResponseWriter, req *http.Request) {
 		if req.URL.Path == "/" {
-			index, err := box.Find("index.html")
+			index, err := webFS.Open("index.html")
+			if err != nil {
+				http.NotFound(w, req)
+				return
+			}
+			defer index.Close()
+			content, err := io.ReadAll(index)
 			if err != nil {
 				http.NotFound(w, req)
 				return
 			}
 			w.WriteHeader(200)
-			w.Write(index)
+			w.Write(content)
 			return
 		}
-		realHandler(w, req)
+		fs.ServeHTTP(w, req)
 	}
 }
 
@@ -132,7 +138,7 @@ func webResetExclusions(w http.ResponseWriter, r *http.Request) {
 }
 
 func webSwapExclusion(w http.ResponseWriter, r *http.Request) {
-	body, err := ioutil.ReadAll(r.Body)
+	body, err := io.ReadAll(r.Body)
 	if err != nil {
 		w.WriteHeader(500)
 		w.Write([]byte("Internal server error"))
@@ -161,7 +167,7 @@ func webSwapExclusion(w http.ResponseWriter, r *http.Request) {
 }
 
 func webInclude(w http.ResponseWriter, r *http.Request) {
-	body, err := ioutil.ReadAll(r.Body)
+	body, err := io.ReadAll(r.Body)
 	if err != nil {
 		w.WriteHeader(500)
 		w.Write([]byte("Internal server error"))
@@ -197,7 +203,7 @@ func webInclude(w http.ResponseWriter, r *http.Request) {
 }
 
 func webExclude(w http.ResponseWriter, r *http.Request) {
-	body, err := ioutil.ReadAll(r.Body)
+	body, err := io.ReadAll(r.Body)
 	if err != nil {
 		w.WriteHeader(500)
 		w.Write([]byte("Internal server error"))
@@ -235,8 +241,8 @@ func webExclude(w http.ResponseWriter, r *http.Request) {
 func webserver(listenAddr, username, password string) {
 	for {
 		realm := "engarde"
-		box := packr.New("webmanager", "../../webmanager/dist/webmanager/browser")
-		http.HandleFunc("/", webBasicAuth(webHandleFileServer(box, "/"), username, password, realm))
+		webFS := assets.GetWebFS()
+		http.HandleFunc("/", webBasicAuth(webHandleFileServer(webFS), username, password, realm))
 		http.HandleFunc("/api/v1/get-list", NoCache(webBasicAuth(webGetList, username, password, realm)))
 		http.HandleFunc("/api/v1/include", NoCache(webBasicAuth(webInclude, username, password, realm)))
 		http.HandleFunc("/api/v1/exclude", NoCache(webBasicAuth(webExclude, username, password, realm)))

cmd/engarde-server/webserver.go

@@ -3,10 +3,12 @@ package main
 import (
 	"crypto/subtle"
 	"encoding/json"
+	"io"
+	"io/fs"
 	"net/http"
 	"time"
 
-	"github.com/gobuffalo/packr/v2"
+	"github.com/porech/engarde/v2/internal/assets"
 	log "github.com/sirupsen/logrus"
 )
 
@@ -31,20 +33,26 @@ func webBasicAuth(handler http.HandlerFunc, username, password, realm string) ht
 	}
 }
 
-func webHandleFileServer(box *packr.Box, prefix string) http.HandlerFunc {
-	fs := http.FileServer(box)
-	realHandler := fs.ServeHTTP
+func webHandleFileServer(webFS fs.FS) http.HandlerFunc {
+	fs := http.FileServer(http.FS(webFS))
 	return func(w http.ResponseWriter, req *http.Request) {
 		if req.URL.Path == "/" {
-			index, err := box.Find("index.html")
+			index, err := webFS.Open("index.html")
 			if err != nil {
 				http.NotFound(w, req)
+				return
+			}
+			defer index.Close()
+			content, err := io.ReadAll(index)
+			if err != nil {
+				http.NotFound(w, req)
+				return
 			}
 			w.WriteHeader(200)
-			w.Write(index)
+			w.Write(content)
 			return
 		}
-		realHandler(w, req)
+		fs.ServeHTTP(w, req)
 	}
 }
 
@@ -83,8 +91,8 @@ func webGetList(w http.ResponseWriter, r *http.Request) {
 func webserver(listenAddr, username, password string) {
 	for {
 		realm := "engarde"
-		box := packr.New("webmanager", "../../webmanager/dist/webmanager/browser")
-		http.HandleFunc("/", webBasicAuth(webHandleFileServer(box, "/"), username, password, realm))
+		webFS := assets.GetWebFS()
+		http.HandleFunc("/", webBasicAuth(webHandleFileServer(webFS), username, password, realm))
 		http.HandleFunc("/api/v1/get-list", NoCache(webBasicAuth(webGetList, username, password, realm)))
 		log.Info("Management webserver listening on " + listenAddr)
 		if err := http.ListenAndServe(listenAddr, nil); err != nil {

go.mod

@@ -1,12 +1,8 @@
 module github.com/porech/engarde/v2
 
-go 1.13
+go 1.16
 
 require (
-	github.com/gobuffalo/packr/v2 v2.7.1
-	github.com/rogpeppe/go-internal v1.5.0 // indirect
-	github.com/sirupsen/logrus v1.4.2
-	golang.org/x/crypto v0.0.0-20191108234033-bd318be0434a // indirect
-	golang.org/x/sys v0.0.0-20191105231009-c1f44814a5cd // indirect
-	gopkg.in/yaml.v2 v2.2.2
+	github.com/sirupsen/logrus v1.9.3
+	gopkg.in/yaml.v2 v2.4.0
 )

go.sum

@@ -1,92 +1,18 @@
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internal/assets/assets.go

@@ -0,0 +1,15 @@
+package assets
+
+import (
+	"embed"
+	"io/fs"
+)
+
+//go:embed browser
+var WebAssets embed.FS
+
+// GetWebFS returns the embedded web assets filesystem
+func GetWebFS() fs.FS {
+	webFS, _ := fs.Sub(WebAssets, "browser")
+	return webFS
+}