Be specific about version

.github/workflows/go.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Set up Go
       uses: actions/setup-go@v2
       with:
-        go-version: 1.17
+        go-version: 1.22
 
     - name: Build
       run: go build -v ./...

.gitignore

@@ -1,4 +1,6 @@
 gropple
 release
 dist
-.env
+.env
+dist/
+.DS_Store

.goreleaser.yaml

@@ -1,16 +1,7 @@
-# This is an example .goreleaser.yml file with some sensible defaults.
-# Make sure to check the documentation at https://goreleaser.com
-
-# The lines below are called `modelines`. See `:help modeline`
-# Feel free to remove those if you don't want/need to use them.
-# yaml-language-server: $schema=https://goreleaser.com/static/schema.json
-# vim: set ts=2 sw=2 tw=0 fo=cnqoj
-
-version: 1
+version: 2
 
 before:
   hooks:
-    # You may remove this if you don't use go modules.
     - go mod tidy
     - go test ./...
 
@@ -23,7 +14,7 @@ builds:
       - darwin
 
 archives:
-  - format: tar.gz
+  - formats: [tar.gz]
     # this name template makes the OS and Arch compatible with the results of `uname`.
     name_template: >-
       {{ .ProjectName }}_
@@ -35,16 +26,28 @@ archives:
     # use zip for windows archives
     format_overrides:
       - goos: windows
-        format: zip
+        formats: [zip]
 
 changelog:
-  skip: true
+  disable: true
 
 dockers:
   - image_templates:
-      - "tardisx/gropple:{{ .Tag }}"
-      - "tardisx/gropple:v{{ .Major }}"
-      - "tardisx/gropple:v{{ .Major }}.{{ .Minor }}"
-      - "tardisx/gropple:latest"
-
+      - "tardisx/gropple:{{ .Tag }}-amd64"
+    use: buildx
+    build_flag_templates:
+      - "--pull"
+      - "--platform=linux/amd64"
+  - image_templates:
+      - "tardisx/gropple:{{ .Tag }}-arm64"
+    use: buildx
+    build_flag_templates:
+      - "--pull"
+      - "--platform=linux/arm64"
+    goarch: arm64
 
+docker_manifests:
+  - name_template: "tardisx/gropple:{{ .Tag }}"
+    image_templates:
+      - "tardisx/gropple:{{ .Tag }}-amd64"
+      - "tardisx/gropple:{{ .Tag }}-arm64"

CHANGELOG.md

@@ -2,7 +2,21 @@
 
 All notable changes to this project will be documented in this file.
 
-## [v1.1.1] - 2023-11-26
+## [v1.1.4] - 2025-04-25
+
+- Minor refactorings, upgrade dependencies
+- Migrate to goreleaser v2 configuration
+- Generate arm64 docker builds
+
+## [v1.1.3] - 2024-03-17
+
+- Code cleanups, better error checking
+
+## [v1.1.2] - 2024-03-16
+
+- Fix a crash for a certain pattern of log line
+
+## [v1.1.1] - 2023-12-08
 
 - Fix bug where a brand-new config was created with an out-of-date version
 - Fix for portable mode and using executable in the current working directory

Dockerfile

@@ -1,4 +1,4 @@
-FROM ubuntu:mantic
+FROM ubuntu:noble
 COPY gropple /
 
 RUN apt update &&  apt install -y curl python3 ffmpeg

config/config.go

@@ -189,9 +189,10 @@ func (c *Config) UpdateFromJSON(j []byte) error {
 		}
 
 		// check the command exists
-		_, err := exec.LookPath(newConfig.DownloadProfiles[i].Command)
+
+		_, err := AbsPathToExecutable(newConfig.DownloadProfiles[i].Command)
 		if err != nil {
-			return fmt.Errorf("Could not find %s on the path", newConfig.DownloadProfiles[i].Command)
+			return fmt.Errorf("problem with command '%s': %s", newConfig.DownloadProfiles[i].Command, err)
 		}
 	}
 
@@ -265,14 +266,14 @@ func (cs *ConfigService) LoadConfig() error {
 	path := cs.ConfigPath
 	b, err := os.ReadFile(path)
 	if err != nil {
-		return fmt.Errorf("Could not read config '%s': %v", path, err)
+		return fmt.Errorf("could not read config '%s': %v", path, err)
 	}
 	c := Config{}
 	cs.Config = &c
 
 	err = yaml.Unmarshal(b, &c)
 	if err != nil {
-		return fmt.Errorf("Could not parse YAML config '%s': %v", path, err)
+		return fmt.Errorf("could not parse YAML config '%s': %v", path, err)
 	}
 
 	// do migrations
@@ -318,7 +319,8 @@ func (cs *ConfigService) LoadConfig() error {
 func (cs *ConfigService) WriteConfig() {
 	s, err := yaml.Marshal(cs.Config)
 	if err != nil {
-		panic(err)
+		log.Printf("error writing config: %s", err)
+		os.Exit(1)
 	}
 
 	path := cs.ConfigPath
@@ -337,3 +339,28 @@ func (cs *ConfigService) WriteConfig() {
 	}
 	file.Close()
 }
+
+// AbsPathToExecutable takes a command name, which may or may not be path-qualified,
+// and returns the fully qualified path to it, or an error if could not be found, or
+// if it does not appear to be a file.
+func AbsPathToExecutable(cmd string) (string, error) {
+
+	pathCmd, err := exec.LookPath(cmd)
+	if err != nil {
+		return "", fmt.Errorf("could not LookPath '%s': %w", cmd, err)
+	}
+
+	execAbsolutePath, err := filepath.Abs(pathCmd)
+	if err != nil {
+		return "", fmt.Errorf("could not get absolute path to '%s': %w", cmd, err)
+	}
+	fi, err := os.Stat(execAbsolutePath)
+	if err != nil {
+		return "", fmt.Errorf("could not get stat '%s': %w", cmd, err)
+	}
+	if !fi.Mode().IsRegular() {
+		return "", fmt.Errorf("'%s' is not a regular file: %w", cmd, err)
+	}
+
+	return execAbsolutePath, nil
+}

config/config_test.go

@@ -1,7 +1,10 @@
 package config
 
 import (
+	"errors"
 	"os"
+	"os/exec"
+	"path/filepath"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -164,11 +167,54 @@ profiles:
 
 func configServiceFromString(configString string) *ConfigService {
 	tmpFile, _ := os.CreateTemp("", "gropple_test_*.yml")
-	tmpFile.Write([]byte(configString))
-	tmpFile.Close()
+	_, err1 := tmpFile.Write([]byte(configString))
+	err2 := tmpFile.Close()
+
+	if errors.Join(err1, err2) != nil {
+		panic("got unexpected error")
+	}
+
 	cs := ConfigService{
 		Config:     &Config{},
 		ConfigPath: tmpFile.Name(),
 	}
 	return &cs
 }
+
+func TestLookForExecutable(t *testing.T) {
+	cmdPath, err := exec.LookPath("sleep")
+	if err != nil {
+		t.Errorf("cannot run this test without knowing about sleep: %s", err)
+		t.FailNow()
+	}
+	cmdDir := filepath.Dir(cmdPath)
+
+	cmd := "sleep"
+	path, err := AbsPathToExecutable(cmd)
+	if assert.NoError(t, err) {
+		assert.Equal(t, cmdPath, path)
+	}
+
+	cmd = cmdPath
+	path, err = AbsPathToExecutable(cmd)
+	if assert.NoError(t, err) {
+		assert.Equal(t, cmdPath, path)
+	}
+
+	cmd = "../../../../../../../../.." + cmdPath
+	path, err = AbsPathToExecutable(cmd)
+	if assert.NoError(t, err) {
+		assert.Equal(t, cmdPath, path)
+	}
+	cmd = "./sleep"
+	_, err = AbsPathToExecutable(cmd)
+	assert.Error(t, err)
+
+	os.Chdir(cmdDir) //nolint
+	cmd = "./sleep"
+	path, err = AbsPathToExecutable(cmd)
+	if assert.NoError(t, err) {
+		assert.Equal(t, cmdPath, path)
+	}
+
+}

docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.9"
 
 services:
   gropple:
-    image: tardisx/gropple:latest
+    image: tardisx/gropple:v1.1.4
     volumes:
       - /tmp/gropple-config-dir/:/config
       - /tmp/downloads/:/downloads/

download/download.go

@@ -277,20 +277,25 @@ func (dl *Download) Begin() {
 	}
 
 	// only add the url if it's not empty or an example URL. This helps us with testing
-	if !(dl.Url == "" || strings.Contains(dl.domain(), "example.org")) {
+	if dl.Url != "" && !strings.Contains(dl.domain(), "example.org") {
 		cmdSlice = append(cmdSlice, dl.Url)
 	}
 
-	dl.Log = append(dl.Log, fmt.Sprintf("executing: %s with args: %s", dl.DownloadProfile.Command, strings.Join(cmdSlice, " ")))
-
-	execAbsolutePath, err := filepath.Abs(dl.DownloadProfile.Command)
+	cmdPath, err := config.AbsPathToExecutable(dl.DownloadProfile.Command)
 	if err != nil {
-		panic(err)
+		dl.State = STATE_FAILED
+		dl.Finished = true
+		dl.FinishedTS = time.Now()
+		dl.Log = append(dl.Log, fmt.Sprintf("error finding executable for downloader: %s", err.Error()))
+		dl.Lock.Unlock()
+		return
 	}
 
-	cmd := exec.Command(execAbsolutePath, cmdSlice...)
+	dl.Log = append(dl.Log, fmt.Sprintf("executing: %s (%s) with args: %s", dl.DownloadProfile.Command, cmdPath, strings.Join(cmdSlice, " ")))
+
+	cmd := exec.Command(cmdPath, cmdSlice...)
 	cmd.Dir = dl.Config.Server.DownloadPath
-	log.Printf("Executing command: %v (executable: %s) in %s", cmd, execAbsolutePath, dl.Config.Server.DownloadPath)
+	log.Printf("Executing command executable: %s) in %s", cmdPath, dl.Config.Server.DownloadPath)
 
 	stdout, err := cmd.StdoutPipe()
 	if err != nil {
@@ -299,7 +304,6 @@ func (dl *Download) Begin() {
 		dl.FinishedTS = time.Now()
 		dl.Log = append(dl.Log, fmt.Sprintf("error setting up stdout pipe: %v", err))
 		dl.Lock.Unlock()
-
 		return
 	}
 
@@ -371,7 +375,6 @@ func (dl *Download) Begin() {
 		}
 	}
 	dl.Lock.Unlock()
-
 }
 
 // updateDownload updates the download based on data from the reader. Expects the
@@ -426,8 +429,6 @@ func (dl *Download) updateMetadata(s string) {
 		p, err := strconv.ParseFloat(matches[1], 32)
 		if err == nil {
 			dl.Percent = float32(p)
-		} else {
-			panic(err)
 		}
 	}
 

download/download_test.go

@@ -21,11 +21,11 @@ func TestUpdateMetadata(t *testing.T) {
 	// eta's might be xx:xx:xx or xx:xx
 	newD.updateMetadata("[download]   0.0% of 504.09MiB at 135.71KiB/s ETA 01:03:36")
 	if newD.Eta != "01:03:36" {
-		t.Fatalf("bad long eta in dl\n%#v", newD)
+		t.Fatalf("bad long eta in dl\n%#v", newD) //nolint
 	}
 	newD.updateMetadata("[download]   0.0% of 504.09MiB at 397.98KiB/s ETA 21:38")
 	if newD.Eta != "21:38" {
-		t.Fatalf("bad short eta in dl\n%#v", newD)
+		t.Fatalf("bad short eta in dl\n%#v", newD) //nolint
 	}
 
 	// added a new file, now we are tracking two
@@ -44,7 +44,7 @@ func TestUpdateMetadata(t *testing.T) {
 	// different download
 	newD.updateMetadata("[download]  99.3% of ~1.42GiB at 320.87KiB/s ETA 00:07 (frag 212/214)")
 	if newD.Eta != "00:07" {
-		t.Fatalf("bad short eta in dl with frag\n%v", newD)
+		t.Fatalf("bad short eta in dl with frag\n%v", newD) //nolint
 	}
 
 	// [FixupM3u8] Fixing MPEG-TS in MP4 container of "file [-168849776_456239489].mp4"
@@ -317,7 +317,7 @@ func TestUpdateMetadataSingle(t *testing.T) {
 [youtube] 2WoDQBhJCVQ: Downloading android player API JSON
 [info] 2WoDQBhJCVQ: Downloading 1 format(s): 137+140
 [info] Writing video metadata as JSON to: The Greatest Shot In Television [2WoDQBhJCVQ].info.json
-[download] Destination: The Greatest Shot In Television [2WoDQBhJCVQ].f137.mp4
+[debug] Invoking hlsnative downloader on "https://example.org/urls/1.2.3.4%
 [download]   0.0% of 12.82MiB at 510.94KiB/s ETA 00:26
 [download]   0.0% of 12.82MiB at 966.50KiB/s ETA 00:13
 [download]   0.1% of 12.82MiB at  1.54MiB/s ETA 00:08

go.mod

@@ -1,11 +1,13 @@
 module github.com/tardisx/gropple
 
-go 1.20
+go 1.23.0
+
+toolchain go1.24.1
 
 require (
 	github.com/gorilla/mux v1.8.1
-	github.com/stretchr/testify v1.8.4
-	golang.org/x/mod v0.14.0
+	github.com/stretchr/testify v1.9.0
+	golang.org/x/mod v0.24.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 

go.sum

@@ -4,10 +4,10 @@ github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
 github.com/gorilla/mux v1.8.1/go.mod h1:AKf9I4AEqPTmMytcMc0KkNouC66V3BtZ4qD5fmWSiMQ=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
-github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-golang.org/x/mod v0.14.0 h1:dGoOF9QVLYng8IHTm7BAyWqCqSheQ5pYWGhzW00YJr0=
-golang.org/x/mod v0.14.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/mod v0.24.0 h1:ZfthKaKaT4NrhGVZHO1/WDTwGES4De8KtWO0SIbNJMU=
+golang.org/x/mod v0.24.0/go.mod h1:IXM97Txy2VM4PJ3gI61r1YEk/gAj6zAHN3AdZt6S9Ww=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=

main.go

@@ -9,13 +9,18 @@ import (
 
 	"github.com/tardisx/gropple/config"
 	"github.com/tardisx/gropple/download"
-	"github.com/tardisx/gropple/version"
+	v "github.com/tardisx/gropple/version"
 	"github.com/tardisx/gropple/web"
 )
 
+var (
+	version = "dev"
+)
+
 func main() {
-	versionInfo := &version.Manager{
-		VersionInfo: version.Info{CurrentVersion: "v1.1.1-alpha.1"},
+	versionInfo := &v.Manager{
+		// version from goreleaser has no leading 'v', even if the tag does
+		VersionInfo: v.Info{CurrentVersion: "v" + version},
 	}
 	log.Printf("Starting gropple %s - https://github.com/tardisx/gropple", versionInfo.GetInfo().CurrentVersion)
 

web/data/templates/config.tmpl

@@ -84,7 +84,10 @@
 
                             <label x-bind:for="'config-profiles-'+i+'-command'">Command to run</label>
                             <input type="text" x-bind:id="'config-profiles-'+i+'-command'" class="input-long" placeholder="name" x-model="profile.command" />
-                            <span class="pure-form-message">Which command to run. Your path will be searched, or you can specify the full path here.</span>
+                            <span class="pure-form-message">Which command to run. Your path will be searched, or you can specify the full path here.
+                            If you are using gropple in portable mode and store the executables with the gropple executable, use a prefix of
+                            <tt>./</tt>, for instance <tt>yt-dlp.exe</tt>.
+                            </span>
 
 
                             <label>Arguments</label>

web/web.go

@@ -92,7 +92,10 @@ func homeHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 
 		t, err := template.ParseFS(webFS, "data/templates/layout.tmpl", "data/templates/menu.tmpl", "data/templates/index.tmpl")
 		if err != nil {
-			panic(err)
+			log.Printf("error: %s", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = w.Write([]byte(err.Error()))
+			return
 		}
 
 		type Info struct {
@@ -113,7 +116,10 @@ func homeHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 		defer dm.Lock.Unlock()
 		err = t.ExecuteTemplate(w, "layout", info)
 		if err != nil {
-			panic(err)
+			log.Printf("error: %s", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = w.Write([]byte(err.Error()))
+			return
 		}
 	}
 }
@@ -149,12 +155,18 @@ func configHandler() func(w http.ResponseWriter, r *http.Request) {
 
 		t, err := template.ParseFS(webFS, "data/templates/layout.tmpl", "data/templates/menu.tmpl", "data/templates/config.tmpl")
 		if err != nil {
-			panic(err)
+			log.Printf("error: %s", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = w.Write([]byte(err.Error()))
+			return
 		}
 
 		err = t.ExecuteTemplate(w, "layout", nil)
 		if err != nil {
-			panic(err)
+			log.Printf("error: %s", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = w.Write([]byte(err.Error()))
+			return
 		}
 	}
 }
@@ -167,7 +179,10 @@ func configRESTHandler(cs *config.ConfigService) func(w http.ResponseWriter, r *
 			log.Printf("Updating config")
 			b, err := io.ReadAll(r.Body)
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 			err = cs.Config.UpdateFromJSON(b)
 
@@ -221,7 +236,10 @@ func fetchInfoOneRESTHandler(cs *config.ConfigService, dm *download.Manager) fun
 
 				b, err := io.ReadAll(r.Body)
 				if err != nil {
-					panic(err)
+					log.Printf("error: %s", err)
+					w.WriteHeader(http.StatusInternalServerError)
+					_, _ = w.Write([]byte(err.Error()))
+					return
 				}
 
 				err = json.Unmarshal(b, &thisReq)
@@ -271,7 +289,10 @@ func fetchInfoRESTHandler(dm *download.Manager) func(w http.ResponseWriter, r *h
 
 		b, err := dm.DownloadsAsJSON()
 		if err != nil {
-			panic(err)
+			log.Printf("error: %s", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			_, _ = w.Write([]byte(err.Error()))
+			return
 		}
 		_, err = w.Write(b)
 		if err != nil {
@@ -307,14 +328,20 @@ func fetchHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Ma
 
 			t, err := template.ParseFS(webFS, "data/templates/layout.tmpl", "data/templates/popup.tmpl")
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 
 			templateData := map[string]interface{}{"dl": dl, "config": cs.Config, "canStop": download.CanStopDownload, "Version": vm.GetInfo()}
 
 			err = t.ExecuteTemplate(w, "layout", templateData)
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 			return
 		} else if method == "POST" {
@@ -326,23 +353,29 @@ func fetchHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Ma
 			}
 
 			req := reqType{}
-			json.NewDecoder(r.Body).Decode(&req)
+			err := json.NewDecoder(r.Body).Decode(&req)
+			if err != nil {
+				log.Printf("error decoding body of request: %s", err)
+				w.WriteHeader(http.StatusBadRequest)
+				_, _ = w.Write([]byte(err.Error()))
+				return
+			}
 
 			log.Printf("popup POST request: %#v", req)
 
 			if req.URL == "" {
-				w.WriteHeader(400)
-				json.NewEncoder(w).Encode(errorResponse{
+				w.WriteHeader(http.StatusBadRequest)
+				_ = json.NewEncoder(w).Encode(errorResponse{
 					Success: false,
 					Error:   "No URL supplied",
 				})
+
 				return
 			} else {
-
 				if req.ProfileChosen == "" {
 
 					w.WriteHeader(400)
-					json.NewEncoder(w).Encode(errorResponse{
+					_ = json.NewEncoder(w).Encode(errorResponse{
 						Success: false,
 						Error:   "you must choose a profile",
 					})
@@ -352,7 +385,7 @@ func fetchHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Ma
 				profile := cs.Config.ProfileCalled(req.ProfileChosen)
 				if profile == nil {
 					w.WriteHeader(400)
-					json.NewEncoder(w).Encode(errorResponse{
+					_ = json.NewEncoder(w).Encode(errorResponse{
 						Success: false,
 						Error:   fmt.Sprintf("no such profile: '%s'", req.ProfileChosen),
 					})
@@ -370,7 +403,7 @@ func fetchHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Ma
 				dm.Queue(newDL)
 
 				w.WriteHeader(200)
-				json.NewEncoder(w).Encode(queuedResponse{
+				_ = json.NewEncoder(w).Encode(queuedResponse{
 					Success:  true,
 					Location: fmt.Sprintf("/fetch/%d", id),
 				})
@@ -383,19 +416,25 @@ func fetchHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Ma
 
 			if !present {
 				w.WriteHeader(400)
-				fmt.Fprint(w, "No url supplied")
+				_, _ = fmt.Fprint(w, "No url supplied")
 				return
 			}
 
 			t, err := template.ParseFS(webFS, "data/templates/layout.tmpl", "data/templates/popup_create.tmpl")
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 			templateData := map[string]interface{}{"config": cs.Config, "url": url[0], "Version": vm.GetInfo()}
 
 			err = t.ExecuteTemplate(w, "layout", templateData)
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 
 		}
@@ -408,22 +447,28 @@ func bulkHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 		log.Printf("bulkHandler")
 
 		method := r.Method
-		if method == "GET" {
+		switch method {
+		case "GET":
 
 			t, err := template.ParseFS(webFS, "data/templates/layout.tmpl", "data/templates/menu.tmpl", "data/templates/bulk.tmpl")
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 			templateData := map[string]interface{}{"config": cs.Config, "Version": vm.GetInfo()}
 
 			err = t.ExecuteTemplate(w, "layout", templateData)
 			if err != nil {
-				panic(err)
+				log.Printf("error: %s", err)
+				w.WriteHeader(http.StatusInternalServerError)
+				_, _ = w.Write([]byte(err.Error()))
+				return
 			}
 
 			return
-
-		} else if method == "POST" {
+		case "POST":
 			type reqBulkType struct {
 				URLs                 string `json:"urls"`
 				ProfileChosen        string `json:"profile"`
@@ -431,13 +476,19 @@ func bulkHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 			}
 
 			req := reqBulkType{}
-			json.NewDecoder(r.Body).Decode(&req)
+			err := json.NewDecoder(r.Body).Decode(&req)
+			if err != nil {
+				log.Printf("error decoding request body: %s", err)
+				w.WriteHeader(http.StatusBadRequest)
+				_, _ = w.Write([]byte(err.Error()))
+				return
+			}
 
 			log.Printf("bulk POST request: %#v", req)
 
 			if req.URLs == "" {
 				w.WriteHeader(400)
-				json.NewEncoder(w).Encode(errorResponse{
+				_ = json.NewEncoder(w).Encode(errorResponse{
 					Success: false,
 					Error:   "No URLs supplied",
 				})
@@ -447,7 +498,7 @@ func bulkHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 			if req.ProfileChosen == "" {
 
 				w.WriteHeader(400)
-				json.NewEncoder(w).Encode(errorResponse{
+				_ = json.NewEncoder(w).Encode(errorResponse{
 					Success: false,
 					Error:   "you must choose a profile",
 				})
@@ -457,7 +508,7 @@ func bulkHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 			profile := cs.Config.ProfileCalled(req.ProfileChosen)
 			if profile == nil {
 				w.WriteHeader(400)
-				json.NewEncoder(w).Encode(errorResponse{
+				_ = json.NewEncoder(w).Encode(errorResponse{
 					Success: false,
 					Error:   fmt.Sprintf("no such profile: '%s'", req.ProfileChosen),
 				})
@@ -483,7 +534,7 @@ func bulkHandler(cs *config.ConfigService, vm *version.Manager, dm *download.Man
 			}
 
 			w.WriteHeader(200)
-			json.NewEncoder(w).Encode(successResponse{
+			_ = json.NewEncoder(w).Encode(successResponse{
 				Success: true,
 				Message: fmt.Sprintf("queued %d downloads", count),
 			})