Merge branch 'go1.16'

merge go1.16 changes This includes embedded files for releases (no extra 'data' directory!) and support for a custom language file directory, allowing one to customize the text accross the app.
2024-12-22 09:00:10 +00:00 · 2021-02-17 11:15:21 +00:00 · 2021-02-17 11:15:21 +00:00 · f794322392
commit f794322392
parent afd52d1d37 c3fb00a307
23 changed files with 663 additions and 614 deletions
--- a/.drone.yml
+++ b/.drone.yml
@ -9,7 +9,7 @@ steps:
      commands:
          - git fetch --tags
    - name: release
-      image: golang:latest
+      image: golang:1.16rc1-buster
      environment:
          GITHUB_TOKEN:
              from_secret: github_token
@ -64,7 +64,7 @@ type: docker

 steps:
    - name: build
-      image: golang:latest
+      image: golang:1.16rc1-buster
      commands:
        - apt update -y
        - apt install build-essential python3-pip curl software-properties-common sed upx -y
@ -130,7 +130,7 @@ type: docker

 steps:
    - name: build
-      image: golang:latest
+      image: golang:1.16rc1-buster
      commands:
        - apt update -y
        - apt install build-essential python3-pip curl software-properties-common sed upx -y
@ -144,4 +144,3 @@ trigger:
    event:
        include:
            - pull_request
-
--- a/.gitignore
+++ b/.gitignore
@ -4,6 +4,7 @@ dist/
 build/
 data/
 version.go
+embed.go
 notes
 docs/*
 lang/langtostruct.py
--- a/.goreleaser.yml
+++ b/.goreleaser.yml
@ -26,6 +26,7 @@ before:
    - npx esbuild --bundle ts/setup.ts --outfile=./data/web/js/setup.js --minify
    - go get -u github.com/swaggo/swag/cmd/swag
    - swag init -g main.go
+    - python3 embed.py internal
 builds:
    - dir: ./
      env:
@ -44,10 +45,6 @@ archives:
        linux: Linux
        windows: Windows
        amd64: x86_64
-    files:
-        - data/*
-        - data/**/*
-        - data/**/**/*
 checksum:
    name_template: 'checksums.txt'
 snapshot:
--- a/2
+++ b/2
@ -6,7 +6,7 @@ RUN apt update -y \
    && apt install build-essential python3-pip curl software-properties-common sed -y \
    && (curl -sL https://deb.nodesource.com/setup_14.x | bash -) \
    && apt install nodejs \
-    && (cd /opt/build; make configuration npm email version typescript bundle-css swagger copy GOESBUILD=on) \
+    && (cd /opt/build; make configuration npm email version typescript bundle-css swagger noembed copy GOESBUILD=on) \
    && sed -i 's#id="password_resets-watch_directory" placeholder="/config/jellyfin"#id="password_resets-watch_directory" value="/jf" disabled#g' /opt/build/build/data/html/setup.html


--- a/69
+++ b/69
@ -4,6 +4,7 @@ ifeq ($(GOESBUILD), on)
 else
 	ESBUILD := npx esbuild
 endif
+GOBINARY ?= go

 npm:
 	$(info installing npm dependencies)
@ -16,34 +17,34 @@ npm:

 configuration:
 	$(info Fixing config-base)
-	-mkdir -p build/data
-	python3 config/fixconfig.py -i config/config-base.json -o build/data/config-base.json
+	-mkdir -p data
+	python3 config/fixconfig.py -i config/config-base.json -o data/config-base.json
 	$(info Generating config-default.ini)
-	python3 config/generate_ini.py -i config/config-base.json -o build/data/config-default.ini
+	python3 config/generate_ini.py -i config/config-base.json -o data/config-default.ini

 email:
 	$(info Generating email html)
-	python3 mail/generate.py -o build/data/
+	python3 mail/generate.py -o data/

 typescript:
 	$(info compiling typescript)
-	-mkdir -p build/data/web/js
-	-$(ESBUILD) --bundle ts/admin.ts --outfile=./build/data/web/js/admin.js --minify
-	-$(ESBUILD) --bundle ts/form.ts --outfile=./build/data/web/js/form.js --minify
-	-$(ESBUILD) --bundle ts/setup.ts --outfile=./build/data/web/js/setup.js --minify
+	-mkdir -p data/web/js
+	-$(ESBUILD) --bundle ts/admin.ts --outfile=./data/web/js/admin.js --minify
+	-$(ESBUILD) --bundle ts/form.ts --outfile=./data/web/js/form.js --minify
+	-$(ESBUILD) --bundle ts/setup.ts --outfile=./data/web/js/setup.js --minify

 ts-debug:
 	$(info compiling typescript w/ sourcemaps)
-	-mkdir -p build/data/web/js
-	-$(ESBUILD) --bundle ts/admin.ts --sourcemap --outfile=./build/data/web/js/admin.js
-	-$(ESBUILD) --bundle ts/form.ts --sourcemap --outfile=./build/data/web/js/form.js
-	-$(ESBUILD) --bundle ts/setup.ts --sourcemap --outfile=./build/data/web/js/setup.js
-	-rm -r build/data/web/js/ts
+	-mkdir -p data/web/js
+	-$(ESBUILD) --bundle ts/admin.ts --sourcemap --outfile=./data/web/js/admin.js
+	-$(ESBUILD) --bundle ts/form.ts --sourcemap --outfile=./data/web/js/form.js
+	-$(ESBUILD) --bundle ts/setup.ts --sourcemap --outfile=./data/web/js/setup.js
+	-rm -r data/web/js/ts
 	$(info copying typescript)
-	cp -r ts build/data/web/js
+	cp -r ts data/web/js

 swagger:
-	go get github.com/swaggo/swag/cmd/swag
+	$(GOBINARY) get github.com/swaggo/swag/cmd/swag
 	swag init -g main.go

 version:
@ -51,33 +52,49 @@ version:

 compile:
 	$(info Downloading deps)
-	go mod download
+	$(GOBINARY) mod download
 	$(info Building)
 	mkdir -p build
-	CGO_ENABLED=0 go build -o build/jfa-go *.go
+	cd build && CGO_ENABLED=0 $(GOBINARY) build -ldflags="-s -w" -o ./jfa-go ../*.go
+
+compile-debug:
+	$(info Downloading deps)
+	$(GOBINARY) mod download
+	$(info Building)
+	mkdir -p build
+	cd build && CGO_ENABLED=0 $(GOBINARY) build -o ./jfa-go ../*.go

 compress:
 	upx --lzma build/jfa-go

 bundle-css:
-	-mkdir -p build/data/web/css
+	-mkdir -p data/web/css
 	$(info bundling css)
-	$(ESBUILD) --bundle css/base.css --outfile=build/data/web/css/bundle.css --external:remixicon.css --minify
+	$(ESBUILD) --bundle css/base.css --outfile=data/web/css/bundle.css --external:remixicon.css --minify

 copy:
 	$(info copying fonts)
-	cp -r node_modules/remixicon/fonts/remixicon.css node_modules/remixicon/fonts/remixicon.woff2 build/data/web/css/
+	cp -r node_modules/remixicon/fonts/remixicon.css node_modules/remixicon/fonts/remixicon.woff2 data/web/css/
 	$(info copying html)
-	cp -r html build/data/
+	cp -r html data/
 	$(info copying static data)
-	-mkdir -p build/data/web
-	cp -r static/* build/data/web/
+	-mkdir -p data/web
+	cp -r static/* data/web/
 	$(info copying language files)
-	cp -r lang build/data/
+	cp -r lang data/

+embed:
+	python embed.py internal
+
+noembed:
+	python embed.py external
+	-mkdir -p build
+	$(info copying internal data into build/)
+	cp -r data build/

 install:
 	cp -r build $(DESTDIR)/jfa-go

-all: configuration npm email version typescript bundle-css swagger compile copy
-debug: configuration npm email version ts-debug bundle-css swagger compile copy
+all: configuration npm email version typescript bundle-css swagger copy embed compile
+all-external: configuration npm email version ts-debug bundle-css swagger copy noembed compile
+debug: configuration npm email version ts-debug bundle-css swagger copy noembed compile-debug
--- a/README.md
+++ b/README.md
@ -39,9 +39,8 @@ I chose to rewrite the python [jellyfin-accounts](https://github.com/hrfee/jelly

 Available on the AUR as [jfa-go](https://aur.archlinux.org/packages/jfa-go/) or [jfa-go-git](https://aur.archlinux.org/packages/jfa-go-git/).

-For other platforms, grab an archive from the release section for your platform (or nightly builds [here](https://builds.hrfee.pw/view/hrfee/jfa-go)), and extract `jfa-go` and `data` to the same directory.
-* For linux users, you can place them inside `/opt/jfa-go` and then run 
-`sudo ln -s /opt/jfa-go/jfa-go /usr/bin/jfa-go` to place it in your PATH.
+For other platforms, grab an archive from the release section for your platform (or nightly builds [here](https://builds.hrfee.pw/view/hrfee/jfa-go)), and extract the `jfa-go` executable to somewhere useful.
+* For \*nix/macOS users, `chmod +x jfa-go` then place it somewhere in your PATH like `/usr/bin`.

 Run the executable to start.

--- a/api.go
+++ b/api.go
@ -1330,6 +1330,9 @@ func (app *appContext) GetLanguages(gc *gin.Context) {
 	gc.JSON(200, resp)
 }

+// @Summary Restarts the program. No response means success.
+// @Router /restart [post]
+// @tags Other
 func (app *appContext) restart(gc *gin.Context) {
 	app.info.Println("Restarting...")
 	err := app.Restart()
--- a/config.go
+++ b/config.go
@ -2,6 +2,7 @@ package main

 import (
 	"fmt"
+	"io/fs"
 	"path/filepath"
 	"strconv"
 	"strings"
@ -11,6 +12,14 @@ import (

 var emailEnabled = false

+func (app *appContext) GetPath(sect, key string) (fs.FS, string) {
+	val := app.config.Section(sect).Key(key).MustString("")
+	if strings.HasPrefix(val, "jfa-go:") {
+		return localFS, strings.TrimPrefix(val, "jfa-go:")
+	}
+	return app.systemFS, val
+}
+
 func (app *appContext) loadConfig() error {
 	var err error
 	app.config, err = ini.Load(app.configPath)
@ -31,26 +40,26 @@ func (app *appContext) loadConfig() error {
 	app.URLBase = strings.TrimSuffix(app.config.Section("ui").Key("url_base").MustString(""), "/")
 	app.config.Section("email").Key("no_username").SetValue(strconv.FormatBool(app.config.Section("email").Key("no_username").MustBool(false)))

-	app.config.Section("password_resets").Key("email_html").SetValue(app.config.Section("password_resets").Key("email_html").MustString(filepath.Join(app.localPath, "email.html")))
-	app.config.Section("password_resets").Key("email_text").SetValue(app.config.Section("password_resets").Key("email_text").MustString(filepath.Join(app.localPath, "email.txt")))
+	app.config.Section("password_resets").Key("email_html").SetValue(app.config.Section("password_resets").Key("email_html").MustString("jfa-go:" + "email.html"))
+	app.config.Section("password_resets").Key("email_text").SetValue(app.config.Section("password_resets").Key("email_text").MustString("jfa-go:" + "email.txt"))

-	app.config.Section("invite_emails").Key("email_html").SetValue(app.config.Section("invite_emails").Key("email_html").MustString(filepath.Join(app.localPath, "invite-email.html")))
-	app.config.Section("invite_emails").Key("email_text").SetValue(app.config.Section("invite_emails").Key("email_text").MustString(filepath.Join(app.localPath, "invite-email.txt")))
+	app.config.Section("invite_emails").Key("email_html").SetValue(app.config.Section("invite_emails").Key("email_html").MustString("jfa-go:" + "invite-email.html"))
+	app.config.Section("invite_emails").Key("email_text").SetValue(app.config.Section("invite_emails").Key("email_text").MustString("jfa-go:" + "invite-email.txt"))

-	app.config.Section("email_confirmation").Key("email_html").SetValue(app.config.Section("email_confirmation").Key("email_html").MustString(filepath.Join(app.localPath, "confirmation.html")))
-	app.config.Section("email_confirmation").Key("email_text").SetValue(app.config.Section("email_confirmation").Key("email_text").MustString(filepath.Join(app.localPath, "confirmation.txt")))
+	app.config.Section("email_confirmation").Key("email_html").SetValue(app.config.Section("email_confirmation").Key("email_html").MustString("jfa-go:" + "confirmation.html"))
+	app.config.Section("email_confirmation").Key("email_text").SetValue(app.config.Section("email_confirmation").Key("email_text").MustString("jfa-go:" + "confirmation.txt"))

-	app.config.Section("notifications").Key("expiry_html").SetValue(app.config.Section("notifications").Key("expiry_html").MustString(filepath.Join(app.localPath, "expired.html")))
-	app.config.Section("notifications").Key("expiry_text").SetValue(app.config.Section("notifications").Key("expiry_text").MustString(filepath.Join(app.localPath, "expired.txt")))
+	app.config.Section("notifications").Key("expiry_html").SetValue(app.config.Section("notifications").Key("expiry_html").MustString("jfa-go:" + "expired.html"))
+	app.config.Section("notifications").Key("expiry_text").SetValue(app.config.Section("notifications").Key("expiry_text").MustString("jfa-go:" + "expired.txt"))

-	app.config.Section("notifications").Key("created_html").SetValue(app.config.Section("notifications").Key("created_html").MustString(filepath.Join(app.localPath, "created.html")))
-	app.config.Section("notifications").Key("created_text").SetValue(app.config.Section("notifications").Key("created_text").MustString(filepath.Join(app.localPath, "created.txt")))
+	app.config.Section("notifications").Key("created_html").SetValue(app.config.Section("notifications").Key("created_html").MustString("jfa-go:" + "created.html"))
+	app.config.Section("notifications").Key("created_text").SetValue(app.config.Section("notifications").Key("created_text").MustString("jfa-go:" + "created.txt"))

-	app.config.Section("deletion").Key("email_html").SetValue(app.config.Section("deletion").Key("email_html").MustString(filepath.Join(app.localPath, "deleted.html")))
-	app.config.Section("deletion").Key("email_text").SetValue(app.config.Section("deletion").Key("email_text").MustString(filepath.Join(app.localPath, "deleted.txt")))
+	app.config.Section("deletion").Key("email_html").SetValue(app.config.Section("deletion").Key("email_html").MustString("jfa-go:" + "deleted.html"))
+	app.config.Section("deletion").Key("email_text").SetValue(app.config.Section("deletion").Key("email_text").MustString("jfa-go:" + "deleted.txt"))

-	app.config.Section("welcome_email").Key("email_html").SetValue(app.config.Section("welcome_email").Key("email_html").MustString(filepath.Join(app.localPath, "welcome.html")))
-	app.config.Section("welcome_email").Key("email_text").SetValue(app.config.Section("welcome_email").Key("email_text").MustString(filepath.Join(app.localPath, "welcome.txt")))
+	app.config.Section("welcome_email").Key("email_html").SetValue(app.config.Section("welcome_email").Key("email_html").MustString("jfa-go:" + "welcome.html"))
+	app.config.Section("welcome_email").Key("email_text").SetValue(app.config.Section("welcome_email").Key("email_text").MustString("jfa-go:" + "welcome.txt"))

 	app.config.Section("jellyfin").Key("version").SetValue(VERSION)
 	app.config.Section("jellyfin").Key("device").SetValue("jfa-go")
--- a/config/config-base.json
+++ b/config/config-base.json
@ -65,7 +65,7 @@
                        ["emby", "Emby"]
                    ],
                    "value": "jellyfin",
-                    "description": "Note: Emby integration works is missing some features, such as Password Resets."
+                    "description": "Note: Emby integration works but is missing some features, such as Password Resets."
                },
                "substitute_jellyfin_strings": {
                    "name": "Substitute occurrences of \"Jellyfin\"",
@ -860,6 +860,14 @@
                    "type": "text",
                    "value": "",
                    "description": "Path to directory containing custom versions of web ui pages. See wiki for more info."
+                },
+                "lang_files": {
+                    "name": "Custom language files directory",
+                    "required": false,
+                    "requires_restart": true,
+                    "type": "text",
+                    "value": "",
+                    "description": "The path to a directory which following the same form as the internal 'lang/' directory. See GitHub for more info."
                }
            }
        }
--- a/email.go
+++ b/email.go
@ -153,6 +153,28 @@ func (emailer *Emailer) NewSMTP(server string, port int, username, password stri
 	}
 }

+func (emailer *Emailer) construct(app *appContext, section, keyFragment string, data map[string]interface{}) (html, text string, err error) {
+	var tpl *template.Template
+	for _, key := range []string{"html", "text"} {
+		filesystem, fpath := app.GetPath(section, keyFragment+key)
+		tpl, err = template.ParseFS(filesystem, fpath)
+		if err != nil {
+			return
+		}
+		var tplData bytes.Buffer
+		err = tpl.Execute(&tplData, data)
+		if err != nil {
+			return
+		}
+		if key == "html" {
+			html = tplData.String()
+		} else {
+			text = tplData.String()
+		}
+	}
+	return
+}
+
 func (emailer *Emailer) constructConfirmation(code, username, key string, app *appContext) (*Email, error) {
 	email := &Email{
 		subject: app.config.Section("email_confirmation").Key("subject").MustString(emailer.lang.EmailConfirmation.get("title")),
@ -160,15 +182,8 @@ func (emailer *Emailer) constructConfirmation(code, username, key string, app *a
 	message := app.config.Section("email").Key("message").String()
 	inviteLink := app.config.Section("invite_emails").Key("url_base").String()
 	inviteLink = fmt.Sprintf("%s/%s?key=%s", inviteLink, code, key)
-
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("email_confirmation").Key("email_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "email_confirmation", "email_", map[string]interface{}{
 		"helloUser":     emailer.lang.Strings.format("helloUser", username),
 		"clickBelow":    emailer.lang.EmailConfirmation.get("clickBelow"),
 		"ifItWasNotYou": emailer.lang.Strings.get("ifItWasNotYou"),
@ -179,12 +194,6 @@ func (emailer *Emailer) constructConfirmation(code, username, key string, app *a
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

@ -197,15 +206,8 @@ func (emailer *Emailer) constructInvite(code string, invite Invite, app *appCont
 	message := app.config.Section("email").Key("message").String()
 	inviteLink := app.config.Section("invite_emails").Key("url_base").String()
 	inviteLink = fmt.Sprintf("%s/%s", inviteLink, code)
-
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("invite_emails").Key("email_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "invite_emails", "email_", map[string]interface{}{
 		"hello":              emailer.lang.InviteEmail.get("hello"),
 		"youHaveBeenInvited": emailer.lang.InviteEmail.get("youHaveBeenInvited"),
 		"toJoin":             emailer.lang.InviteEmail.get("toJoin"),
@ -217,12 +219,6 @@ func (emailer *Emailer) constructInvite(code string, invite Invite, app *appCont
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

@ -231,14 +227,8 @@ func (emailer *Emailer) constructExpiry(code string, invite Invite, app *appCont
 		subject: emailer.lang.InviteExpiry.get("title"),
 	}
 	expiry := app.formatDatetime(invite.ValidTill)
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("notifications").Key("expiry_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "notifications", "expiry_", map[string]interface{}{
 		"inviteExpired":      emailer.lang.InviteExpiry.get("inviteExpired"),
 		"expiredAt":          emailer.lang.InviteExpiry.format("expiredAt", "\""+code+"\"", expiry),
 		"notificationNotice": emailer.lang.InviteExpiry.get("notificationNotice"),
@ -246,12 +236,6 @@ func (emailer *Emailer) constructExpiry(code string, invite Invite, app *appCont
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

@ -266,14 +250,8 @@ func (emailer *Emailer) constructCreated(code, username, address string, invite
 	} else {
 		tplAddress = address
 	}
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("notifications").Key("created_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "notifications", "created_", map[string]interface{}{
 		"aUserWasCreated":    emailer.lang.UserCreated.format("aUserWasCreated", "\""+code+"\""),
 		"name":               emailer.lang.Strings.get("name"),
 		"address":            emailer.lang.Strings.get("emailAddress"),
@ -286,12 +264,6 @@ func (emailer *Emailer) constructCreated(code, username, address string, invite
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

@ -301,14 +273,8 @@ func (emailer *Emailer) constructReset(pwr PasswordReset, app *appContext) (*Ema
 	}
 	d, t, expiresIn := emailer.formatExpiry(pwr.Expiry, true, app.datePattern, app.timePattern)
 	message := app.config.Section("email").Key("message").String()
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("password_resets").Key("email_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "password_resets", "email_", map[string]interface{}{
 		"helloUser":                emailer.lang.Strings.format("helloUser", pwr.Username),
 		"someoneHasRequestedReset": emailer.lang.PasswordReset.get("someoneHasRequestedReset"),
 		"ifItWasYou":               emailer.lang.PasswordReset.get("ifItWasYou"),
@ -321,12 +287,6 @@ func (emailer *Emailer) constructReset(pwr PasswordReset, app *appContext) (*Ema
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

@ -334,14 +294,8 @@ func (emailer *Emailer) constructDeleted(reason string, app *appContext) (*Email
 	email := &Email{
 		subject: app.config.Section("deletion").Key("subject").MustString(emailer.lang.UserDeleted.get("title")),
 	}
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("deletion").Key("email_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "deletion", "email_", map[string]interface{}{
 		"yourAccountWasDeleted": emailer.lang.UserDeleted.get("yourAccountWasDeleted"),
 		"reason":                emailer.lang.UserDeleted.get("reason"),
 		"reasonVal":             reason,
@ -349,12 +303,6 @@ func (emailer *Emailer) constructDeleted(reason string, app *appContext) (*Email
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

@ -362,14 +310,8 @@ func (emailer *Emailer) constructWelcome(username string, app *appContext) (*Ema
 	email := &Email{
 		subject: app.config.Section("welcome_email").Key("subject").MustString(emailer.lang.WelcomeEmail.get("title")),
 	}
-	for _, key := range []string{"html", "text"} {
-		fpath := app.config.Section("welcome_email").Key("email_" + key).String()
-		tpl, err := template.ParseFiles(fpath)
-		if err != nil {
-			return nil, err
-		}
-		var tplData bytes.Buffer
-		err = tpl.Execute(&tplData, map[string]string{
+	var err error
+	email.html, email.text, err = emailer.construct(app, "welcome_email", "email_", map[string]interface{}{
 		"welcome":         emailer.lang.WelcomeEmail.get("welcome"),
 		"youCanLoginWith": emailer.lang.WelcomeEmail.get("youCanLoginWith"),
 		"jellyfinURL":     emailer.lang.WelcomeEmail.get("jellyfinURL"),
@ -381,12 +323,6 @@ func (emailer *Emailer) constructWelcome(username string, app *appContext) (*Ema
 	if err != nil {
 		return nil, err
 	}
-		if key == "html" {
-			email.html = tplData.String()
-		} else {
-			email.text = tplData.String()
-		}
-	}
 	return email, nil
 }

--- a/embed.py
+++ b/embed.py
@ -0,0 +1,68 @@
+#!/usr/bin/python
+import sys
+import argparse
+
+parser = argparse.ArgumentParser()
+parser.add_argument("embed", metavar="<true/false>|<internal/external>|<yes/no>", type=str)
+trues = ["true", "internal", "yes", "y"]
+falses = ["false", "external", "no", "n"]
+
+EMBED = parser.parse_args().embed
+
+with open("embed.go", "w") as f:
+    if EMBED in trues:
+        f.write("""package main
+import (
+	"embed"
+	"io/fs"
+	"log"
+)
+
+//go:embed data data/html data/web data/web/css data/web/js
+var loFS embed.FS
+
+//go:embed lang/common lang/admin lang/email lang/form lang/setup
+var laFS embed.FS
+
+var langFS rewriteFS
+var localFS rewriteFS
+
+type rewriteFS struct {
+	fs     embed.FS
+	prefix string
+}
+
+func (l rewriteFS) Open(name string) (fs.File, error)          { return l.fs.Open(l.prefix + name) }
+func (l rewriteFS) ReadDir(name string) ([]fs.DirEntry, error) { return l.fs.ReadDir(l.prefix + name) }
+func (l rewriteFS) ReadFile(name string) ([]byte, error)       { return l.fs.ReadFile(l.prefix + name) }
+func FSJoin(elem ...string) string {
+    out := ""
+    for _, v := range elem { out += v + "/" }
+    return out[:len(out)-1]
+}
+
+func loadFilesystems() {
+	langFS = rewriteFS{laFS, "lang/"}
+	localFS = rewriteFS{loFS, "data/"}
+	log.Println("Using internal storage")
+}""")
+    elif EMBED in falses:
+        f.write("""package main
+import (
+    "io/fs"
+    "os"
+    "log"
+    "path/filepath"
+)
+
+var localFS fs.FS
+var langFS fs.FS
+
+func FSJoin(elem ...string) string { return filepath.Join(elem...) }
+
+func loadFilesystems() {
+    log.Println("Using external storage")
+    executable, _ := os.Executable()
+    localFS = os.DirFS(filepath.Join(filepath.Dir(executable), "data"))
+    langFS = os.DirFS(filepath.Join(filepath.Dir(executable), "data", "lang"))
+}""")
--- a/go.mod
+++ b/go.mod
@ -1,6 +1,6 @@
 module github.com/hrfee/jfa-go

-go 1.14
+go 1.16

 replace github.com/hrfee/jfa-go/docs => ./docs

@ -17,8 +17,7 @@ require (
 	github.com/gin-contrib/static v0.0.0-20200916080430-d45d9a37d28e
 	github.com/gin-gonic/gin v1.6.3
 	github.com/go-chi/chi v4.1.2+incompatible // indirect
-	github.com/go-openapi/spec v0.20.1 // indirect
-	github.com/go-openapi/swag v0.19.13 // indirect
+	github.com/go-openapi/spec v0.20.3 // indirect
 	github.com/go-playground/validator/v10 v10.4.1 // indirect
 	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/google/uuid v1.1.2 // indirect
@ -31,6 +30,7 @@ require (
 	github.com/lithammer/shortuuid/v3 v3.0.4
 	github.com/logrusorgru/aurora/v3 v3.0.0
 	github.com/mailgun/mailgun-go/v4 v4.3.0
+	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/smartystreets/goconvey v1.6.4 // indirect
 	github.com/swaggo/files v0.0.0-20190704085106-630677cd5c14
@ -38,9 +38,7 @@ require (
 	github.com/swaggo/swag v1.7.0 // indirect
 	github.com/ugorji/go v1.2.0 // indirect
 	golang.org/x/crypto v0.0.0-20201112155050-0c6587e931a9 // indirect
-	golang.org/x/net v0.0.0-20210119194325-5f4716e94777 // indirect
 	golang.org/x/sys v0.0.0-20210124154548-22da62e12c0c // indirect
-	golang.org/x/text v0.3.5 // indirect
 	golang.org/x/tools v0.1.0 // indirect
 	google.golang.org/protobuf v1.25.0 // indirect
 	gopkg.in/ini.v1 v1.62.0
--- a/go.sum
+++ b/go.sum
@ -11,7 +11,6 @@ github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafo
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
-github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@ -30,7 +29,6 @@ github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870 h1:E2s37DuLxFhQD
 github.com/facebookgo/subset v0.0.0-20150612182917-8dac2c3c4870/go.mod h1:5tD+neXqOorC30/tWg0LCSkrqj/AR6gu8yY8/fpw1q0=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
-github.com/ghodss/yaml v1.0.0 h1:wQHKEahhL6wmXdzwWG11gIVCkOv05bNOh+Rxn0yngAk=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
 github.com/gin-contrib/gzip v0.0.1 h1:ezvKOL6jH+jlzdHNE4h9h8q8uMpDQjyl0NN0Jd7jozc=
 github.com/gin-contrib/gzip v0.0.1/go.mod h1:fGBJBCdt6qCZuCAOwWuFhBB4OOq9EFqlo5dEaFhhu5w=
@ -48,42 +46,32 @@ github.com/gin-gonic/gin v1.5.0/go.mod h1:Nd6IXA8m5kNZdNEHMBd93KT+mdY3+bewLgRvmC
 github.com/gin-gonic/gin v1.6.2/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
 github.com/gin-gonic/gin v1.6.3 h1:ahKqKTFpO5KTPHxWZjEdPScmYaGtLo8Y4DMHoEsnp14=
 github.com/gin-gonic/gin v1.6.3/go.mod h1:75u5sXoLsGZoRN5Sgbi1eraJ4GU3++wFwWzhwvtwp4M=
-github.com/go-chi/chi v4.0.0+incompatible h1:SiLLEDyAkqNnw+T/uDTf3aFB9T4FTrwMpuYrgaRcnW4=
 github.com/go-chi/chi v4.0.0+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
 github.com/go-chi/chi v4.1.2+incompatible h1:fGFk2Gmi/YKXk0OmGfBh0WgmN3XB8lVnEyNz34tQRec=
 github.com/go-chi/chi v4.1.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
 github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
 github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
-github.com/go-openapi/jsonpointer v0.19.3 h1:gihV7YNZK1iK6Tgwwsxo2rJbD1GTbdm72325Bq8FI3w=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
 github.com/go-openapi/jsonpointer v0.19.5 h1:gZr+CIYByUqjcgeLXnQu2gHYQC9o73G2XUeOFYEICuY=
 github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
 github.com/go-openapi/jsonreference v0.17.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
 github.com/go-openapi/jsonreference v0.19.0/go.mod h1:g4xxGn04lDIRh0GJb5QlpE3HfopLOL6uZrK/VgnsK9I=
 github.com/go-openapi/jsonreference v0.19.2/go.mod h1:jMjeRr2HHw6nAVajTXJ4eiUwohSTlpa0o73RUL1owJc=
-github.com/go-openapi/jsonreference v0.19.3 h1:5cxNfTy0UVC3X8JL5ymxzyoUZmo8iZb+jeTWn7tUa8o=
 github.com/go-openapi/jsonreference v0.19.3/go.mod h1:rjx6GuL8TTa9VaixXglHmQmIL98+wF9xc8zWvFonSJ8=
-github.com/go-openapi/jsonreference v0.19.4 h1:3Vw+rh13uq2JFNxgnMTGE1rnoieU9FmyE1gvnyylsYg=
 github.com/go-openapi/jsonreference v0.19.4/go.mod h1:RdybgQwPxbL4UEjuAruzK1x3nE69AqPYEJeo/TWfEeg=
 github.com/go-openapi/jsonreference v0.19.5 h1:1WJP/wi4OjB4iV8KVbH73rQaoialJrqv8gitZLxGLtM=
 github.com/go-openapi/jsonreference v0.19.5/go.mod h1:RdybgQwPxbL4UEjuAruzK1x3nE69AqPYEJeo/TWfEeg=
 github.com/go-openapi/spec v0.19.0/go.mod h1:XkF/MOi14NmjsfZ8VtAKf8pIlbZzyoTvZsdfssdxcBI=
-github.com/go-openapi/spec v0.19.4 h1:ixzUSnHTd6hCemgtAJgluaTSGYpLNpJY4mA2DIkdOAo=
 github.com/go-openapi/spec v0.19.4/go.mod h1:FpwSN1ksY1eteniUU7X0N/BgJ7a4WvBFVA8Lj9mJglo=
-github.com/go-openapi/spec v0.19.14 h1:r4fbYFo6N4ZelmSX8G6p+cv/hZRXzcuqQIADGT1iNKM=
 github.com/go-openapi/spec v0.19.14/go.mod h1:gwrgJS15eCUgjLpMjBJmbZezCsw88LmgeEip0M63doA=
-github.com/go-openapi/spec v0.20.1 h1:5WNKTzPguDN+79wbJw2UE2q+eX+gUmEFsIKSvnSQJlc=
-github.com/go-openapi/spec v0.20.1/go.mod h1:93x7oh+d+FQsmsieroS4cmR3u0p/ywH649a3qwC9OsQ=
+github.com/go-openapi/spec v0.20.3 h1:uH9RQ6vdyPSs2pSy9fL8QPspDF2AMIMPtmK5coSSjtQ=
+github.com/go-openapi/spec v0.20.3/go.mod h1:gG4F8wdEDN+YPBMVnzE85Rbhf+Th2DTvA9nFPQ5AYEg=
 github.com/go-openapi/swag v0.17.0/go.mod h1:AByQ+nYG6gQg71GINrmuDXCPWdL640yX49/kXLo40Tg=
 github.com/go-openapi/swag v0.19.2/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
-github.com/go-openapi/swag v0.19.5 h1:lTz6Ys4CmqqCQmZPBlbQENR1/GucA2bzYTE12Pw4tFY=
 github.com/go-openapi/swag v0.19.5/go.mod h1:POnQmlKehdgb5mhVOsnJFsivZCEZ/vjK9gh66Z9tfKk=
-github.com/go-openapi/swag v0.19.11 h1:RFTu/dlFySpyVvJDfp/7674JY4SDglYWKztbiIGFpmc=
 github.com/go-openapi/swag v0.19.11/go.mod h1:Uc0gKkdR+ojzsEpjh39QChyu92vPgIr72POcgHMAgSY=
-github.com/go-openapi/swag v0.19.12 h1:Bc0bnY2c3AoF7Gc+IMIAQQsD8fLHjHpc19wXvYuayQI=
-github.com/go-openapi/swag v0.19.12/go.mod h1:eFdyEBkTdoAf/9RXBvj4cr1nH7GD8Kzo5HTt47gr72M=
-github.com/go-openapi/swag v0.19.13 h1:233UVgMy1DlmCYYfOiFpta6e2urloh+sEs5id6lyzog=
-github.com/go-openapi/swag v0.19.13/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
+github.com/go-openapi/swag v0.19.14 h1:gm3vOOXfiuw5i9p5N9xJvfjvuofpyvLA9Wr6QfK5Fng=
+github.com/go-openapi/swag v0.19.14/go.mod h1:QYRuS/SOXUCsnplDa677K7+DxSOj6IPNl/eQntq43wQ=
 github.com/go-playground/assert/v2 v2.0.1 h1:MsBgLAaY856+nPRTKrp3/OZK38U/wa0CcBYNjji3q3A=
 github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
 github.com/go-playground/locales v0.12.1/go.mod h1:IUMDtCfWo/w/mtMfIE/IG2K+Ey3ygWanZIBtBW0W2TM=
@ -92,7 +80,6 @@ github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTM
 github.com/go-playground/universal-translator v0.16.0/go.mod h1:1AnU7NaIRDWWzGEKwgtJRd2xk99HeFyHw3yid4rvQIY=
 github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no=
 github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA=
-github.com/go-playground/validator/v10 v10.2.0 h1:KgJ0snyC2R9VXYN2rneOtQcw5aHQB1Vv0sFl1UcHBOY=
 github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
 github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE=
 github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4=
@ -101,7 +88,6 @@ github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfb
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
-github.com/golang/protobuf v1.3.3 h1:gyjaxf+svBWX08ZjK86iN9geUJF0H6gp2IRKX6Nf6/I=
 github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw=
 github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8=
 github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA=
@ -118,7 +104,6 @@ github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/uuid v1.1.1 h1:Gkbcsh/GbpXz7lPftLA3P6TYMwjCLYm83jiFQZF/3gY=
 github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/google/uuid v1.1.2 h1:EVhdT+1Kseyi1/pUmXKaFxYsDNy9RQYkMWRH68J/W7Y=
 github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@ -131,7 +116,6 @@ github.com/josharian/intern v1.0.0/go.mod h1:5DoeVV0s6jJacbCEi61lwdGj/aVlrQvzHFF
 github.com/json-iterator/go v1.1.5/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
-github.com/json-iterator/go v1.1.9 h1:9yzud/Ht36ygwatGx56VwCZtlI/2AD15T1X2sjSuGns=
 github.com/json-iterator/go v1.1.9/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.10 h1:Kz6Cvnvv2wGdaG/V8yMvfkmNiXq9Ya2KUv4rouJJr68=
 github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
@ -157,35 +141,31 @@ github.com/mailgun/mailgun-go/v4 v4.3.0/go.mod h1:fWuBI2iaS/pSSyo6+EBpHjatQO3lV8
 github.com/mailru/easyjson v0.0.0-20180823135443-60711f1a8329/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
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@ -200,40 +180,32 @@ github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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-golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
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@ -254,14 +226,9 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn
 golang.org/x/net v0.0.0-20190611141213-3f473d35a33a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297 h1:k7pJ2yAPLPgbskkFdhRCsA77k2fySZ1zf2zCjvQCiIM=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b h1:uwuIcX0g4Yl1NC5XAz37xsr2lTtcqevgzYNVt49waME=
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-golang.org/x/net v0.0.0-20201224014010-6772e930b67b h1:iFwSg7t5GZmB/Q5TjiEAsdoLDrdJRC1RiF2WhuV29Qw=
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 golang.org/x/net v0.0.0-20210119194325-5f4716e94777 h1:003p0dJM77cxMSyCPFphvZf/Y5/NXf5fzg6ufd1/Oew=
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@ -279,23 +246,16 @@ golang.org/x/sys v0.0.0-20190610200419-93c9922d18ae/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20200116001909-b77594299b42 h1:vEOn+mP2zCOVzKckCZy6YsCtDblrpj/w7B9nxGNELpg=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 h1:nxC68pudNYkKU6jWhgrqdreuFiOQWj1Fs7T3VrH4Pjw=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
-golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.4 h1:0YWbFKbhXG/wIiuHDSKpS0Iy7FSA+u45VtBMfQcFTTc=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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 golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@ -307,10 +267,8 @@ golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
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-golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59 h1:QjA/9ArTfVTLfEhClDCG7SGrZkZixxWpwNCDiwJfh88=
 golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.0.0-20201120155355-20be4ac4bd6e h1:t96dS3DO8DGjawSLJL/HIdz8CycAd2v07XxqB3UPTi0=
 golang.org/x/tools v0.0.0-20201120155355-20be4ac4bd6e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.1.0 h1:po9/4sTYwZU9lPhi1tOrb4hCv3qrhiQ77LZfGa2OjwY=
 golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0=
@ -333,7 +291,6 @@ google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQ
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.25.0 h1:Ejskq+SyPohKW+1uil0JJMtmHCgJPJ/qWTxr8qp+R4c=
@ -350,9 +307,7 @@ gopkg.in/ini.v1 v1.62.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.3.0 h1:clyUAQHOM3G0M3f5vQj7LuJrETvjVot3Z5el9nffUtU=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
--- a/main.go
+++ b/main.go
@ -8,7 +8,7 @@ import (
 	"flag"
 	"fmt"
 	"io"
-	"io/ioutil"
+	"io/fs"
 	"log"
 	"mime"
 	"net"
@ -22,20 +22,27 @@ import (
 	"strings"
 	"time"

-	"github.com/gin-contrib/pprof"
-	"github.com/gin-contrib/static"
-	"github.com/gin-gonic/gin"
 	"github.com/hrfee/jfa-go/common"
 	_ "github.com/hrfee/jfa-go/docs"
 	"github.com/hrfee/jfa-go/mediabrowser"
 	"github.com/hrfee/jfa-go/ombi"
 	"github.com/lithammer/shortuuid/v3"
 	"github.com/logrusorgru/aurora/v3"
-	swaggerFiles "github.com/swaggo/files"
-	ginSwagger "github.com/swaggo/gin-swagger"
 	"gopkg.in/ini.v1"
 )

+var (
+	PLATFORM           string = runtime.GOOS
+	SOCK               string = "jfa-go.sock"
+	SRV                *http.Server
+	RESTART            chan bool
+	DATA, CONFIG, HOST *string
+	PORT               *int
+	DEBUG              *bool
+	TEST               bool
+	SWAGGER            *bool
+)
+
 var serverTypes = map[string]string{
 	"jellyfin": "Jellyfin",
 	"emby":     "Emby (experimental)",
@ -50,7 +57,7 @@ type User struct {
 	Password string `json:"password"`
 }

-// contains everything the application needs, essentially. Wouldn't do this in the future.
+// contains (almost) everything the application needs, essentially. This was a dumb design decision imo.
 type appContext struct {
 	// defaults         *Config
 	config         *ini.File
@ -58,7 +65,8 @@ type appContext struct {
 	configBasePath string
 	configBase     settings
 	dataPath       string
-	localPath      string
+	systemFS       fs.FS
+	webFS          httpFS
 	cssClass       string
 	jellyfinLogin  bool
 	users          []User
@ -80,27 +88,6 @@ type appContext struct {
 	URLBase          string
 }

-func (app *appContext) loadHTML(router *gin.Engine) {
-	customPath := app.config.Section("files").Key("html_templates").MustString("")
-	templatePath := filepath.Join(app.localPath, "html")
-	htmlFiles, err := ioutil.ReadDir(templatePath)
-	if err != nil {
-		app.err.Fatalf("Couldn't access template directory: \"%s\"", templatePath)
-		return
-	}
-	loadFiles := make([]string, len(htmlFiles))
-	for i, f := range htmlFiles {
-		if _, err := os.Stat(filepath.Join(customPath, f.Name())); os.IsNotExist(err) {
-			app.debug.Printf("Using default \"%s\"", f.Name())
-			loadFiles[i] = filepath.Join(templatePath, f.Name())
-		} else {
-			app.info.Printf("Using custom \"%s\"", f.Name())
-			loadFiles[i] = filepath.Join(filepath.Join(customPath, f.Name()))
-		}
-	}
-	router.LoadHTMLFiles(loadFiles...)
-}
-
 func generateSecret(length int) (string, error) {
 	bytes := make([]byte, length)
 	_, err := rand.Read(bytes)
@ -110,46 +97,6 @@ func generateSecret(length int) (string, error) {
 	return base64.URLEncoding.EncodeToString(bytes), err
 }

-func setGinLogger(router *gin.Engine, debugMode bool) {
-	if debugMode {
-		router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
-			return fmt.Sprintf("[GIN/DEBUG] %s: %s(%s) => %d in %s; %s\n",
-				param.TimeStamp.Format("15:04:05"),
-				param.Method,
-				param.Path,
-				param.StatusCode,
-				param.Latency,
-				func() string {
-					if param.ErrorMessage != "" {
-						return "Error: " + param.ErrorMessage
-					}
-					return ""
-				}(),
-			)
-		}))
-	} else {
-		router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
-			return fmt.Sprintf("[GIN] %s(%s) => %d\n",
-				param.Method,
-				param.Path,
-				param.StatusCode,
-			)
-		}))
-	}
-}
-
-var (
-	PLATFORM           string = runtime.GOOS
-	SOCK               string = "jfa-go.sock"
-	SRV                *http.Server
-	RESTART            chan bool
-	DATA, CONFIG, HOST *string
-	PORT               *int
-	DEBUG              *bool
-	TEST               bool
-	SWAGGER            *bool
-)
-
 func test(app *appContext) {
 	fmt.Printf("\n\n----\n\n")
 	settings := map[string]interface{}{
@ -186,15 +133,20 @@ func start(asDaemon, firstCall bool) {
 	app := new(appContext)

 	/*
-		set default config, data and local paths
-		also, confusing naming here. data_path is not the internal 'data' directory, rather the users .config/jfa-go folder.
-		local_path is the internal 'data' directory.
+		set default config and data paths
+		data: Contains invites.json, emails.json, user_profile.json, etc.
+		config: config.ini. Usually in data, but can be changed via -config.
+		localFS is jfa-go's internal data. On external builds, the directory is named "data" and placed next to the executable.
 	*/
 	userConfigDir, _ := os.UserConfigDir()
 	app.dataPath = filepath.Join(userConfigDir, "jfa-go")
 	app.configPath = filepath.Join(app.dataPath, "config.ini")
-	executable, _ := os.Executable()
-	app.localPath = filepath.Join(filepath.Dir(executable), "data")
+	app.systemFS = os.DirFS("/")
+	// gin-static doesn't just take a plain http.FileSystem, so we implement it's ServeFileSystem. See static.go.
+	app.webFS = httpFS{
+		hfs: http.FS(localFS),
+		fs:  localFS,
+	}

 	app.info = log.New(os.Stdout, "[INFO] ", log.Ltime)
 	app.err = log.New(os.Stdout, "[ERROR] ", log.Ltime|log.Lshortfile)
@ -251,23 +203,19 @@ func start(asDaemon, firstCall bool) {
 	}
 	if _, err := os.Stat(app.configPath); os.IsNotExist(err) {
 		firstRun = true
-		dConfigPath := filepath.Join(app.localPath, "config-default.ini")
-		var dConfig *os.File
-		dConfig, err = os.Open(dConfigPath)
+		dConfig, err := fs.ReadFile(localFS, "config-default.ini")
 		if err != nil {
-			app.err.Fatalf("Couldn't find default config file \"%s\"", dConfigPath)
+			app.err.Fatalf("Couldn't find default config file")
 		}
-		defer dConfig.Close()
-		var nConfig *os.File
 		nConfig, err := os.Create(app.configPath)
 		if err != nil {
 			app.err.Printf("Couldn't open config file for writing: \"%s\"", app.configPath)
 			app.err.Fatalf("Error: %s", err)
 		}
 		defer nConfig.Close()
-		_, err = io.Copy(nConfig, dConfig)
+		_, err = nConfig.Write(dConfig)
 		if err != nil {
-			app.err.Fatalf("Couldn't copy default config. To do this manually, copy\n%s\nto\n%s", dConfigPath, app.configPath)
+			app.err.Fatalf("Couldn't copy default config.")
 		}
 		app.info.Printf("Copied default configuration to \"%s\"", app.configPath)
 	}
@ -288,7 +236,7 @@ func start(asDaemon, firstCall bool) {
 		app.info.Print(aurora.Magenta("\n\nWARNING: Don't use debug mode in production, as it exposes pprof on the network.\n\n"))
 		app.debug = log.New(os.Stdout, "[DEBUG] ", log.Ltime|log.Lshortfile)
 	} else {
-		app.debug = log.New(ioutil.Discard, "", 0)
+		app.debug = log.New(io.Discard, "", 0)
 	}

 	if asDaemon {
@ -330,11 +278,17 @@ func start(asDaemon, firstCall bool) {
 		}()
 	}

-	app.storage.lang.CommonPath = filepath.Join(app.localPath, "lang", "common")
-	app.storage.lang.FormPath = filepath.Join(app.localPath, "lang", "form")
-	app.storage.lang.AdminPath = filepath.Join(app.localPath, "lang", "admin")
-	app.storage.lang.EmailPath = filepath.Join(app.localPath, "lang", "email")
-	err := app.storage.loadLang()
+	app.storage.lang.CommonPath = "common"
+	app.storage.lang.FormPath = "form"
+	app.storage.lang.AdminPath = "admin"
+	app.storage.lang.EmailPath = "email"
+	externalLang := app.config.Section("files").Key("lang_files").MustString("")
+	var err error
+	if externalLang == "" {
+		err = app.storage.loadLang(langFS)
+	} else {
+		err = app.storage.loadLang(langFS, os.DirFS(externalLang))
+	}
 	if err != nil {
 		app.info.Fatalf("Failed to load language files: %+v\n", err)
 	}
@ -413,8 +367,8 @@ func start(asDaemon, firstCall bool) {

 		}

-		app.configBasePath = filepath.Join(app.localPath, "config-base.json")
-		configBase, _ := ioutil.ReadFile(app.configBasePath)
+		app.configBasePath = "config-base.json"
+		configBase, _ := fs.ReadFile(localFS, app.configBasePath)
 		json.Unmarshal(configBase, &app.configBase)

 		themes := map[string]string{
@ -562,8 +516,8 @@ func start(asDaemon, firstCall bool) {
 	} else {
 		debugMode = false
 		address = "0.0.0.0:8056"
-		app.storage.lang.SetupPath = filepath.Join(app.localPath, "lang", "setup")
-		err := app.storage.loadLangSetup()
+		app.storage.lang.SetupPath = "setup"
+		err := app.storage.loadLangSetup(langFS)
 		if err != nil {
 			app.info.Fatalf("Failed to load language files: %+v\n", err)
 		}
@ -572,89 +526,15 @@ func start(asDaemon, firstCall bool) {
 	// workaround for potentially broken windows mime types
 	mime.AddExtensionType(".js", "application/javascript")

+	app.info.Println("Initializing router")
+	router := app.loadRouter(address, debugMode)
 	app.info.Println("Loading routes")
-	if debugMode {
-		gin.SetMode(gin.DebugMode)
-	} else {
-		gin.SetMode(gin.ReleaseMode)
-	}
-	router := gin.New()
-
-	setGinLogger(router, debugMode)
-
-	router.Use(gin.Recovery())
-	routePrefixes := []string{app.URLBase}
-	if app.URLBase != "" {
-		routePrefixes = append(routePrefixes, "")
-	}
-	for _, p := range routePrefixes {
-		router.Use(static.Serve(p+"/", static.LocalFile(filepath.Join(app.localPath, "web"), false)))
-	}
-	app.loadHTML(router)
-	router.NoRoute(app.NoRouteHandler)
-	if debugMode {
-		app.debug.Println("Loading pprof")
-		pprof.Register(router)
-	}
-	for _, p := range routePrefixes {
-		router.GET(p+"/lang/:page", app.GetLanguages)
-	}
 	if !firstRun {
-		for _, p := range routePrefixes {
-			router.GET(p+"/", app.AdminPage)
-			router.GET(p+"/accounts", app.AdminPage)
-			router.GET(p+"/settings", app.AdminPage)
-			router.GET(p+"/lang/:page/:file", app.ServeLang)
-			router.GET(p+"/token/login", app.getTokenLogin)
-			router.GET(p+"/token/refresh", app.getTokenRefresh)
-			router.POST(p+"/newUser", app.NewUser)
-			router.Use(static.Serve(p+"/invite/", static.LocalFile(filepath.Join(app.localPath, "web"), false)))
-			router.GET(p+"/invite/:invCode", app.InviteProxy)
-		}
-		if *SWAGGER {
-			app.info.Print(aurora.Magenta("\n\nWARNING: Swagger should not be used on a public instance.\n\n"))
-			for _, p := range routePrefixes {
-				router.GET(p+"/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
-			}
-		}
-		api := router.Group("/", app.webAuth())
-		for _, p := range routePrefixes {
-			router.POST(p+"/logout", app.Logout)
-			api.DELETE(p+"/users", app.DeleteUser)
-			api.GET(p+"/users", app.GetUsers)
-			api.POST(p+"/users", app.NewUserAdmin)
-			api.POST(p+"/invites", app.GenerateInvite)
-			api.GET(p+"/invites", app.GetInvites)
-			api.DELETE(p+"/invites", app.DeleteInvite)
-			api.POST(p+"/invites/profile", app.SetProfile)
-			api.GET(p+"/profiles", app.GetProfiles)
-			api.POST(p+"/profiles/default", app.SetDefaultProfile)
-			api.POST(p+"/profiles", app.CreateProfile)
-			api.DELETE(p+"/profiles", app.DeleteProfile)
-			api.POST(p+"/invites/notify", app.SetNotify)
-			api.POST(p+"/users/emails", app.ModifyEmails)
-			// api.POST(p + "/setDefaults", app.SetDefaults)
-			api.POST(p+"/users/settings", app.ApplySettings)
-			api.GET(p+"/config", app.GetConfig)
-			api.POST(p+"/config", app.ModifyConfig)
-			api.POST(p+"/restart", app.restart)
-			if app.config.Section("ombi").Key("enabled").MustBool(false) {
-				api.GET(p+"/ombi/users", app.OmbiUsers)
-				api.POST(p+"/ombi/defaults", app.SetOmbiDefaults)
-			}
-		}
-		app.info.Printf("Starting router @ %s", address)
+		app.loadRoutes(router)
 	} else {
-		router.GET("/", app.ServeSetup)
-		router.POST("/jellyfin/test", app.TestJF)
-		router.POST("/config", app.ModifyConfig)
+		app.loadSetup(router)
 		app.info.Printf("Loading setup @ %s", address)
 	}
-
-	SRV = &http.Server{
-		Addr:    address,
-		Handler: router,
-	}
 	go func() {
 		if app.config.Section("advanced").Key("tls").MustBool(false) {
 			cert := app.config.Section("advanced").Key("tls_cert").MustString("")
@ -676,9 +556,9 @@ func start(asDaemon, firstCall bool) {
 		}
 	}()
 	for range RESTART {
-		cntx, cancel := context.WithTimeout(context.Background(), time.Second*5)
+		ctx, cancel := context.WithTimeout(context.Background(), time.Second*5)
 		defer cancel()
-		if err := SRV.Shutdown(cntx); err != nil {
+		if err := SRV.Shutdown(ctx); err != nil {
 			app.err.Fatalf("Server shutdown error: %s", err)
 		}
 		return
@ -757,6 +637,7 @@ func main() {
 	if flagPassed("test") {
 		TEST = true
 	}
+	loadFilesystems()
 	if flagPassed("start") {
 		args := []string{}
 		for i, f := range os.Args {
--- a/package-lock.json
+++ b/package-lock.json
@ -227,11 +227,6 @@
      "resolved": "https://registry.npm.taobao.org/entities/download/entities-1.1.2.tgz?cache=0&sync_timestamp=1602897347667&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fentities%2Fdownload%2Fentities-1.1.2.tgz",
      "integrity": "sha1-vfpzUplmTfr9NFKe1PhSKidf6lY="
    },
-    "esbuild": {
-      "version": "0.8.46",
-      "resolved": "https://registry.npm.taobao.org/esbuild/download/esbuild-0.8.46.tgz",
-      "integrity": "sha1-j8cjDOMBmxLiVTOZ8MA4dacpwms="
-    },
    "escalade": {
      "version": "3.1.1",
      "resolved": "https://registry.npm.taobao.org/escalade/download/escalade-3.1.1.tgz?cache=0&sync_timestamp=1602567437752&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fescalade%2Fdownload%2Fescalade-3.1.1.tgz",
--- a/package.json
+++ b/package.json
@ -18,7 +18,6 @@
  "homepage": "https://github.com/hrfee/jfa-go#readme",
  "dependencies": {
    "a17t": "^0.4.0",
-    "esbuild": "^0.8.46",
    "lodash": "^4.17.19",
    "mjml": "^4.8.0",
    "remixicon": "^2.5.0",
--- a/pwreset.go
+++ b/pwreset.go
@ -2,7 +2,6 @@ package main

 import (
 	"encoding/json"
-	"io/ioutil"
 	"os"
 	"strings"
 	"time"
@ -53,7 +52,7 @@ func pwrMonitor(app *appContext, watcher *fsnotify.Watcher) {
 			}
 			if event.Op&fsnotify.Write == fsnotify.Write && strings.Contains(event.Name, "passwordreset") {
 				var pwr PasswordReset
-				data, err := ioutil.ReadFile(event.Name)
+				data, err := os.ReadFile(event.Name)
 				if err != nil {
 					return
 				}
--- a/router.go
+++ b/router.go
@ -0,0 +1,156 @@
+package main
+
+import (
+	"fmt"
+	"html/template"
+	"io/fs"
+	"net/http"
+	"os"
+	"path/filepath"
+
+	"github.com/gin-contrib/pprof"
+	"github.com/gin-contrib/static"
+	"github.com/gin-gonic/gin"
+	"github.com/logrusorgru/aurora/v3"
+	swaggerFiles "github.com/swaggo/files"
+	ginSwagger "github.com/swaggo/gin-swagger"
+)
+
+// loads HTML templates. If [files]/html_templates is set, alternative files inside the directory are loaded in place of the internal templates.
+func (app *appContext) loadHTML(router *gin.Engine) {
+	customPath := app.config.Section("files").Key("html_templates").MustString("")
+	templatePath := "html"
+	htmlFiles, err := fs.ReadDir(localFS, templatePath)
+	if err != nil {
+		app.err.Fatalf("Couldn't access template directory: \"%s\"", templatePath)
+		return
+	}
+	loadFiles := make([]string, len(htmlFiles))
+	for i, f := range htmlFiles {
+		if _, err := os.Stat(filepath.Join(customPath, f.Name())); os.IsNotExist(err) {
+			app.debug.Printf("Using default \"%s\"", f.Name())
+			loadFiles[i] = FSJoin(templatePath, f.Name())
+		} else {
+			app.info.Printf("Using custom \"%s\"", f.Name())
+			loadFiles[i] = filepath.Join(filepath.Join(customPath, f.Name()))
+		}
+	}
+	tmpl, err := template.ParseFS(localFS, loadFiles...)
+	if err != nil {
+		app.err.Fatalf("Failed to load templates: %v", err)
+	}
+	router.SetHTMLTemplate(tmpl)
+}
+
+// sets gin logger.
+func setGinLogger(router *gin.Engine, debugMode bool) {
+	if debugMode {
+		router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
+			return fmt.Sprintf("[GIN/DEBUG] %s: %s(%s) => %d in %s; %s\n",
+				param.TimeStamp.Format("15:04:05"),
+				param.Method,
+				param.Path,
+				param.StatusCode,
+				param.Latency,
+				func() string {
+					if param.ErrorMessage != "" {
+						return "Error: " + param.ErrorMessage
+					}
+					return ""
+				}(),
+			)
+		}))
+	} else {
+		router.Use(gin.LoggerWithFormatter(func(param gin.LogFormatterParams) string {
+			return fmt.Sprintf("[GIN] %s(%s) => %d\n",
+				param.Method,
+				param.Path,
+				param.StatusCode,
+			)
+		}))
+	}
+}
+
+func (app *appContext) loadRouter(address string, debug bool) *gin.Engine {
+	if debug {
+		gin.SetMode(gin.DebugMode)
+	} else {
+		gin.SetMode(gin.ReleaseMode)
+	}
+	router := gin.New()
+
+	setGinLogger(router, debug)
+
+	router.Use(gin.Recovery())
+	app.loadHTML(router)
+	router.Use(static.Serve("/", app.webFS))
+	router.NoRoute(app.NoRouteHandler)
+	if debug {
+		app.debug.Println("Loading pprof")
+		pprof.Register(router)
+	}
+	SRV = &http.Server{
+		Addr:    address,
+		Handler: router,
+	}
+	return router
+}
+
+func (app *appContext) loadRoutes(router *gin.Engine) {
+	routePrefixes := []string{app.URLBase}
+	if app.URLBase != "" {
+		routePrefixes = append(routePrefixes, "")
+	}
+	for _, p := range routePrefixes {
+		router.GET(p+"/lang/:page", app.GetLanguages)
+		router.Use(static.Serve(p+"/", app.webFS))
+		router.GET(p+"/", app.AdminPage)
+		router.GET(p+"/accounts", app.AdminPage)
+		router.GET(p+"/settings", app.AdminPage)
+		router.GET(p+"/lang/:page/:file", app.ServeLang)
+		router.GET(p+"/token/login", app.getTokenLogin)
+		router.GET(p+"/token/refresh", app.getTokenRefresh)
+		router.POST(p+"/newUser", app.NewUser)
+		router.Use(static.Serve(p+"/invite/", app.webFS))
+		router.GET(p+"/invite/:invCode", app.InviteProxy)
+	}
+	if *SWAGGER {
+		app.info.Print(aurora.Magenta("\n\nWARNING: Swagger should not be used on a public instance.\n\n"))
+		for _, p := range routePrefixes {
+			router.GET(p+"/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler))
+		}
+	}
+	api := router.Group("/", app.webAuth())
+	for _, p := range routePrefixes {
+		router.POST(p+"/logout", app.Logout)
+		api.DELETE(p+"/users", app.DeleteUser)
+		api.GET(p+"/users", app.GetUsers)
+		api.POST(p+"/users", app.NewUserAdmin)
+		api.POST(p+"/invites", app.GenerateInvite)
+		api.GET(p+"/invites", app.GetInvites)
+		api.DELETE(p+"/invites", app.DeleteInvite)
+		api.POST(p+"/invites/profile", app.SetProfile)
+		api.GET(p+"/profiles", app.GetProfiles)
+		api.POST(p+"/profiles/default", app.SetDefaultProfile)
+		api.POST(p+"/profiles", app.CreateProfile)
+		api.DELETE(p+"/profiles", app.DeleteProfile)
+		api.POST(p+"/invites/notify", app.SetNotify)
+		api.POST(p+"/users/emails", app.ModifyEmails)
+		// api.POST(p + "/setDefaults", app.SetDefaults)
+		api.POST(p+"/users/settings", app.ApplySettings)
+		api.GET(p+"/config", app.GetConfig)
+		api.POST(p+"/config", app.ModifyConfig)
+		api.POST(p+"/restart", app.restart)
+		if app.config.Section("ombi").Key("enabled").MustBool(false) {
+			api.GET(p+"/ombi/users", app.OmbiUsers)
+			api.POST(p+"/ombi/defaults", app.SetOmbiDefaults)
+		}
+	}
+}
+
+func (app *appContext) loadSetup(router *gin.Engine) {
+	router.GET("/lang/:page", app.GetLanguages)
+	router.GET("/", app.ServeSetup)
+	router.POST("/jellyfin/test", app.TestJF)
+	router.POST("/config", app.ModifyConfig)
+}
--- a/setup.go
+++ b/setup.go
@ -2,7 +2,7 @@ package main

 import (
 	"encoding/json"
-	"io/ioutil"
+	"io/fs"
 	"path/filepath"
 	"strings"

@ -70,13 +70,14 @@ func (app *appContext) TestJF(gc *gin.Context) {
 	gc.JSON(200, map[string]bool{"success": true})
 }

-func (st *Storage) loadLangSetup() error {
+// The first filesystem passed should be the localFS, to ensure the local lang files are loaded first.
+func (st *Storage) loadLangSetup(filesystems ...fs.FS) error {
 	st.lang.Setup = map[string]setupLang{}
 	var english setupLang
-	load := func(fname string) error {
+	load := func(filesystem fs.FS, fname string) error {
 		index := strings.TrimSuffix(fname, filepath.Ext(fname))
 		lang := setupLang{}
-		f, err := ioutil.ReadFile(filepath.Join(st.lang.SetupPath, fname))
+		f, err := fs.ReadFile(filesystem, FSJoin(st.lang.SetupPath, fname))
 		if err != nil {
 			return err
 		}
@ -107,22 +108,35 @@ func (st *Storage) loadLangSetup() error {
 		st.lang.Setup[index] = lang
 		return nil
 	}
-	err := load("en-us.json")
-	if err != nil {
+	engFound := false
+	var err error
+	for _, filesystem := range filesystems {
+		err = load(filesystem, "en-us.json")
+		if err == nil {
+			engFound = true
+		}
+	}
+	if !engFound {
 		return err
 	}
 	english = st.lang.Setup["en-us"]
-	files, err := ioutil.ReadDir(st.lang.SetupPath)
+	setupLoaded := false
+	for _, filesystem := range filesystems {
+		files, err := fs.ReadDir(filesystem, st.lang.SetupPath)
 		if err != nil {
 			return err
 		}
 		for _, f := range files {
 			if f.Name() != "en-us.json" {
-			err = load(f.Name())
-			if err != nil {
+				err = load(filesystem, f.Name())
+				if err == nil {
+					setupLoaded = true
+				}
+			}
+		}
+	}
+	if !setupLoaded {
 		return err
 	}
-		}
-	}
 	return nil
 }
--- a/static.go
+++ b/static.go
@ -0,0 +1,32 @@
+package main
+
+import (
+	"io/fs"
+	"net/http"
+	"strings"
+)
+
+// Since the gin-static middleware uses a version of http.Filesystem with an extra Exists() func, we extend it here.
+
+type httpFS struct {
+	hfs http.FileSystem // Created by converting fs.FS using http.FS()
+	fs  fs.FS
+}
+
+func (f httpFS) Open(name string) (http.File, error) {
+	return f.hfs.Open("web" + name)
+}
+
+func (f httpFS) Exists(prefix string, filepath string) bool {
+	if p := strings.TrimPrefix(filepath, prefix); len(p) < len(filepath) {
+		stats, err := fs.Stat(f.fs, "web/"+p)
+		if err != nil {
+			return false
+		}
+		if stats.IsDir() {
+			return false
+		}
+		return true
+	}
+	return false
+}
--- a/storage.go
+++ b/storage.go
@ -2,8 +2,9 @@ package main

 import (
 	"encoding/json"
-	"io/ioutil"
+	"io/fs"
 	"log"
+	"os"
 	"path/filepath"
 	"strconv"
 	"strings"
@ -62,20 +63,20 @@ type Lang struct {
 	Setup           setupLangs
 }

-func (st *Storage) loadLang() (err error) {
-	err = st.loadLangCommon()
+func (st *Storage) loadLang(filesystems ...fs.FS) (err error) {
+	err = st.loadLangCommon(filesystems...)
 	if err != nil {
 		return
 	}
-	err = st.loadLangAdmin()
+	err = st.loadLangAdmin(filesystems...)
 	if err != nil {
 		return
 	}
-	err = st.loadLangForm()
+	err = st.loadLangForm(filesystems...)
 	if err != nil {
 		return
 	}
-	err = st.loadLangEmail()
+	err = st.loadLangEmail(filesystems...)
 	return
 }

@ -120,13 +121,13 @@ func patchQuantityStrings(english, other *map[string]quantityString) {
 	}
 }

-func (st *Storage) loadLangCommon() error {
+func (st *Storage) loadLangCommon(filesystems ...fs.FS) error {
 	st.lang.Common = map[string]commonLang{}
 	var english commonLang
-	load := func(fname string) error {
+	load := func(filesystem fs.FS, fname string) error {
 		index := strings.TrimSuffix(fname, filepath.Ext(fname))
 		lang := commonLang{}
-		f, err := ioutil.ReadFile(filepath.Join(st.lang.CommonPath, fname))
+		f, err := fs.ReadFile(filesystem, FSJoin(st.lang.CommonPath, fname))
 		if err != nil {
 			return err
 		}
@ -143,33 +144,46 @@ func (st *Storage) loadLangCommon() error {
 		st.lang.Common[index] = lang
 		return nil
 	}
-	err := load("en-us.json")
-	if err != nil {
+	engFound := false
+	var err error
+	for _, filesystem := range filesystems {
+		err = load(filesystem, "en-us.json")
+		if err == nil {
+			engFound = true
+		}
+	}
+	if !engFound {
 		return err
 	}
 	english = st.lang.Common["en-us"]
-	files, err := ioutil.ReadDir(st.lang.CommonPath)
+	commonLoaded := false
+	for _, filesystem := range filesystems {
+		files, err := fs.ReadDir(filesystem, st.lang.CommonPath)
 		if err != nil {
-		return err
+			continue
 		}
 		for _, f := range files {
 			if f.Name() != "en-us.json" {
-			err = load(f.Name())
-			if err != nil {
+				err = load(filesystem, f.Name())
+				if err == nil {
+					commonLoaded = true
+				}
+			}
+		}
+	}
+	if !commonLoaded {
 		return err
 	}
-		}
-	}
 	return nil
 }

-func (st *Storage) loadLangAdmin() error {
+func (st *Storage) loadLangAdmin(filesystems ...fs.FS) error {
 	st.lang.Admin = map[string]adminLang{}
 	var english adminLang
-	load := func(fname string) error {
+	load := func(filesystem fs.FS, fname string) error {
 		index := strings.TrimSuffix(fname, filepath.Ext(fname))
 		lang := adminLang{}
-		f, err := ioutil.ReadFile(filepath.Join(st.lang.AdminPath, fname))
+		f, err := fs.ReadFile(filesystem, FSJoin(st.lang.AdminPath, fname))
 		if err != nil {
 			return err
 		}
@ -194,33 +208,46 @@ func (st *Storage) loadLangAdmin() error {
 		st.lang.Admin[index] = lang
 		return nil
 	}
-	err := load("en-us.json")
-	if err != nil {
+	engFound := false
+	var err error
+	for _, filesystem := range filesystems {
+		err = load(filesystem, "en-us.json")
+		if err == nil {
+			engFound = true
+		}
+	}
+	if !engFound {
 		return err
 	}
 	english = st.lang.Admin["en-us"]
-	files, err := ioutil.ReadDir(st.lang.AdminPath)
+	adminLoaded := false
+	for _, filesystem := range filesystems {
+		files, err := fs.ReadDir(filesystem, st.lang.AdminPath)
 		if err != nil {
-		return err
+			continue
 		}
 		for _, f := range files {
 			if f.Name() != "en-us.json" {
-			err = load(f.Name())
-			if err != nil {
+				err = load(filesystem, f.Name())
+				if err == nil {
+					adminLoaded = true
+				}
+			}
+		}
+	}
+	if !adminLoaded {
 		return err
 	}
-		}
-	}
 	return nil
 }

-func (st *Storage) loadLangForm() error {
+func (st *Storage) loadLangForm(filesystems ...fs.FS) error {
 	st.lang.Form = map[string]formLang{}
 	var english formLang
-	load := func(fname string) error {
+	load := func(filesystem fs.FS, fname string) error {
 		index := strings.TrimSuffix(fname, filepath.Ext(fname))
 		lang := formLang{}
-		f, err := ioutil.ReadFile(filepath.Join(st.lang.FormPath, fname))
+		f, err := fs.ReadFile(filesystem, FSJoin(st.lang.FormPath, fname))
 		if err != nil {
 			return err
 		}
@ -250,33 +277,46 @@ func (st *Storage) loadLangForm() error {
 		st.lang.Form[index] = lang
 		return nil
 	}
-	err := load("en-us.json")
-	if err != nil {
+	engFound := false
+	var err error
+	for _, filesystem := range filesystems {
+		err = load(filesystem, "en-us.json")
+		if err == nil {
+			engFound = true
+		}
+	}
+	if !engFound {
 		return err
 	}
 	english = st.lang.Form["en-us"]
-	files, err := ioutil.ReadDir(st.lang.FormPath)
+	formLoaded := false
+	for _, filesystem := range filesystems {
+		files, err := fs.ReadDir(filesystem, st.lang.FormPath)
 		if err != nil {
-		return err
+			continue
 		}
 		for _, f := range files {
 			if f.Name() != "en-us.json" {
-			err = load(f.Name())
-			if err != nil {
+				err = load(filesystem, f.Name())
+				if err == nil {
+					formLoaded = true
+				}
+			}
+		}
+	}
+	if !formLoaded {
 		return err
 	}
-		}
-	}
 	return nil
 }

-func (st *Storage) loadLangEmail() error {
+func (st *Storage) loadLangEmail(filesystems ...fs.FS) error {
 	st.lang.Email = map[string]emailLang{}
 	var english emailLang
-	load := func(fname string) error {
+	load := func(filesystem fs.FS, fname string) error {
 		index := strings.TrimSuffix(fname, filepath.Ext(fname))
 		lang := emailLang{}
-		f, err := ioutil.ReadFile(filepath.Join(st.lang.EmailPath, fname))
+		f, err := fs.ReadFile(filesystem, FSJoin(st.lang.EmailPath, fname))
 		if err != nil {
 			return err
 		}
@ -299,23 +339,36 @@ func (st *Storage) loadLangEmail() error {
 		st.lang.Email[index] = lang
 		return nil
 	}
-	err := load("en-us.json")
-	if err != nil {
+	engFound := false
+	var err error
+	for _, filesystem := range filesystems {
+		err = load(filesystem, "en-us.json")
+		if err == nil {
+			engFound = true
+		}
+	}
+	if !engFound {
 		return err
 	}
 	english = st.lang.Email["en-us"]
-	files, err := ioutil.ReadDir(st.lang.EmailPath)
+	emailLoaded := false
+	for _, filesystem := range filesystems {
+		files, err := fs.ReadDir(filesystem, st.lang.EmailPath)
 		if err != nil {
-		return err
+			continue
 		}
 		for _, f := range files {
 			if f.Name() != "en-us.json" {
-			err = load(f.Name())
-			if err != nil {
+				err = load(filesystem, f.Name())
+				if err == nil {
+					emailLoaded = true
+				}
+			}
+		}
+	}
+	if !emailLoaded {
 		return err
 	}
-		}
-	}
 	return nil
 }

@ -329,76 +382,6 @@ func (st *Storage) storeInvites() error {
 	return storeJSON(st.invite_path, st.invites)
 }

-// func (st *Storage) loadLang() error {
-// 	loadData := func(path string, stringJson bool) (map[string]string, map[string]map[string]interface{}, error) {
-// 		files, err := ioutil.ReadDir(path)
-// 		outString := map[string]string{}
-// 		out := map[string]map[string]interface{}{}
-// 		if err != nil {
-// 			return nil, nil, err
-// 		}
-// 		for _, f := range files {
-// 			index := strings.TrimSuffix(f.Name(), filepath.Ext(f.Name()))
-// 			var data map[string]interface{}
-// 			var file []byte
-// 			var err error
-// 			file, err = ioutil.ReadFile(filepath.Join(path, f.Name()))
-// 			if err != nil {
-// 				file = []byte("{}")
-// 			}
-// 			// Replace Jellyfin with something if necessary
-// 			if substituteStrings != "" {
-// 				fileString := strings.ReplaceAll(string(file), "Jellyfin", substituteStrings)
-// 				file = []byte(fileString)
-// 			}
-// 			err = json.Unmarshal(file, &data)
-// 			if err != nil {
-// 				log.Printf("ERROR: Failed to read \"%s\": %s", path, err)
-// 				return nil, nil, err
-// 			}
-// 			if stringJson {
-// 				stringJSON, err := json.Marshal(data)
-// 				if err != nil {
-// 					return nil, nil, err
-// 				}
-// 				outString[index] = string(stringJSON)
-// 			}
-// 			out[index] = data
-//
-// 		}
-// 		return outString, out, nil
-// 	}
-// 	_, form, err := loadData(st.lang.FormPath, false)
-// 	if err != nil {
-// 		return err
-// 	}
-// 	for index, lang := range form {
-// 		validationStrings := lang["validationStrings"].(map[string]interface{})
-// 		vS, err := json.Marshal(validationStrings)
-// 		if err != nil {
-// 			return err
-// 		}
-// 		lang["validationStrings"] = string(vS)
-// 		form[index] = lang
-// 	}
-// 	st.lang.Form = form
-// 	adminJSON, admin, err := loadData(st.lang.AdminPath, true)
-// 	st.lang.Admin = admin
-// 	st.lang.AdminJSON = adminJSON
-//
-// 	_, emails, err := loadData(st.lang.EmailPath, false)
-// 	fixedEmails := map[string]map[string]map[string]interface{}{}
-// 	for lang, e := range emails {
-// 		f := map[string]map[string]interface{}{}
-// 		for field, vals := range e {
-// 			f[field] = vals.(map[string]interface{})
-// 		}
-// 		fixedEmails[lang] = f
-// 	}
-// 	st.lang.Email = fixedEmails
-// 	return err
-// }
-
 func (st *Storage) loadEmails() error {
 	return loadJSON(st.emails_path, &st.emails)
 }
@ -495,7 +478,7 @@ func (st *Storage) migrateToProfile() error {
 func loadJSON(path string, obj interface{}) error {
 	var file []byte
 	var err error
-	file, err = ioutil.ReadFile(path)
+	file, err = os.ReadFile(path)
 	if err != nil {
 		file = []byte("{}")
 	}
@ -511,7 +494,7 @@ func storeJSON(path string, obj interface{}) error {
 	if err != nil {
 		return err
 	}
-	err = ioutil.WriteFile(path, data, 0644)
+	err = os.WriteFile(path, data, 0644)
 	if err != nil {
 		log.Printf("ERROR: Failed to write to \"%s\": %s", path, err)
 	}
--- a/version.py
+++ b/version.py
@ -1,6 +1,6 @@
 import subprocess
 import sys
-import os
+
 try:
    version = sys.argv[1].replace('v', '')
 except IndexError:
--- a/views.go
+++ b/views.go
@ -52,14 +52,19 @@ func (app *appContext) pushResources(gc *gin.Context, admin bool) {
 	gc.Header("Link", cssHeader)
 }

-func (app *appContext) AdminPage(gc *gin.Context) {
-	app.pushResources(gc, true)
+func (app *appContext) getLang(gc *gin.Context, chosen string) string {
 	lang := gc.Query("lang")
 	if lang == "" {
-		lang = app.storage.lang.chosenAdminLang
+		lang = chosen
 	} else if _, ok := app.storage.lang.Admin[lang]; !ok {
-		lang = app.storage.lang.chosenAdminLang
+		lang = chosen
 	}
+	return lang
+}
+
+func (app *appContext) AdminPage(gc *gin.Context) {
+	app.pushResources(gc, true)
+	lang := app.getLang(gc, app.storage.lang.chosenAdminLang)
 	emailEnabled, _ := app.config.Section("invite_emails").Key("enabled").Bool()
 	notificationsEnabled, _ := app.config.Section("notifications").Key("enabled").Bool()
 	ombiEnabled := app.config.Section("ombi").Key("enabled").MustBool(false)
@ -82,12 +87,7 @@ func (app *appContext) AdminPage(gc *gin.Context) {
 func (app *appContext) InviteProxy(gc *gin.Context) {
 	app.pushResources(gc, false)
 	code := gc.Param("invCode")
-	lang := gc.Query("lang")
-	if lang == "" {
-		lang = app.storage.lang.chosenFormLang
-	} else if _, ok := app.storage.lang.Form[lang]; !ok {
-		lang = app.storage.lang.chosenFormLang
-	}
+	lang := app.getLang(gc, app.storage.lang.chosenFormLang)
 	/* Don't actually check if the invite is valid, just if it exists, just so the page loads quicker. Invite is actually checked on submit anyway. */
 	// if app.checkInvite(code, false, "") {
 	inv, ok := app.storage.invites[code]
@ -98,7 +98,7 @@ func (app *appContext) InviteProxy(gc *gin.Context) {
 		})
 		return
 	}
-	if key := gc.Query("key"); key != "" {
+	if key := gc.Query("key"); key != "" && app.config.Section("email_confirmation").Key("enabled").MustBool(false) {
 		validKey := false
 		keyIndex := -1
 		for i, k := range inv.Keys {