urlpaths: seemingly full functionality

various subpath combos seem to work, and trailing slashes from them are
trimmed (including for the empty admin path "/", which is now "" by
default).

config.go

@@ -39,12 +39,19 @@ func (app *appContext) MustSetValue(section, key, val string) {
 }
 
 func (app *appContext) MustSetURLPath(section, key, val string) {
-	if !strings.HasPrefix(val, "/") {
+	if !strings.HasPrefix(val, "/") && val != "" {
 		val = "/" + val
 	}
 	app.MustSetValue(section, key, val)
 }
 
+func FormatSubpath(path string) string {
+	if path == "/" {
+		return ""
+	}
+	return strings.TrimSuffix(path, "/")
+}
+
 func (app *appContext) loadConfig() error {
 	var err error
 	app.config, err = ini.ShadowLoad(app.configPath)
@@ -52,15 +59,23 @@ func (app *appContext) loadConfig() error {
 		return err
 	}
 
-	app.MustSetURLPath("url_paths", "admin", "/")
+	// URLs
+	app.MustSetURLPath("ui", "url_base", "")
+	app.MustSetURLPath("url_paths", "admin", "")
 	app.MustSetURLPath("url_paths", "user_page", "/my/account")
 	app.MustSetURLPath("url_paths", "form", "/invite")
-	PAGES.Admin = app.config.Section("url_paths").Key("admin").MustString("/")
-	PAGES.MyAccount = app.config.Section("url_paths").Key("user_page").MustString("/my/account")
-	PAGES.Form = app.config.Section("url_paths").Key("form").MustString("/invite")
-
+	PAGES.Base = FormatSubpath(app.config.Section("ui").Key("url_base").String())
+	PAGES.Admin = FormatSubpath(app.config.Section("url_paths").Key("admin").String())
+	PAGES.MyAccount = FormatSubpath(app.config.Section("url_paths").Key("user_page").String())
+	PAGES.Form = FormatSubpath(app.config.Section("url_paths").Key("form").String())
+	if !(app.config.Section("user_page").Key("enabled").MustBool(true)) {
+		PAGES.MyAccount = "disabled"
+	}
+	if PAGES.Base == PAGES.Form || PAGES.Base == "/accounts" || PAGES.Base == "/settings" || PAGES.Base == "/activity" {
+		app.err.Printf(lm.BadURLBase, PAGES.Base)
+	}
+	app.info.Printf(lm.SubpathBlockMessage, PAGES.Base, PAGES.Admin, PAGES.MyAccount, PAGES.Form)
 	app.MustSetValue("jellyfin", "public_server", app.config.Section("jellyfin").Key("server").String())
-
 	app.MustSetValue("ui", "redirect_url", app.config.Section("jellyfin").Key("public_server").String())
 
 	for _, key := range app.config.Section("files").Keys() {
@@ -75,10 +90,6 @@ func (app *appContext) loadConfig() error {
 		app.config.Section("files").Key(key).SetValue(app.config.Section("files").Key(key).MustString(filepath.Join(app.dataPath, (key + ".db"))))
 	}
 
-	PAGES.Base = strings.TrimSuffix(app.config.Section("ui").Key("url_base").MustString(""), "/")
-	if PAGES.Base == "/invite" || PAGES.Base == "/accounts" || PAGES.Base == "/settings" || PAGES.Base == "/activity" {
-		app.err.Printf(lm.BadURLBase, PAGES.Base)
-	}
 	app.ExternalURI = strings.TrimSuffix(strings.TrimSuffix(app.config.Section("ui").Key("jfa_url").MustString(""), "/invite"), "/")
 	if !strings.HasSuffix(app.ExternalURI, PAGES.Base) {
 		app.err.Println(lm.NoURLSuffix)

config/config-base.yaml

@@ -194,12 +194,10 @@ sections:
     value: Your account has been created. Click below to continue to Jellyfin.
     description: Displayed when a user creates an account. Use the "post-signup card"
       in the Message editor for more control.
-  - setting: url_base
-    name: Reverse Proxy subfolder
-    requires_restart: true
-    type: text
-    description: URL base for when running jfa-go with a reverse proxy in a subfolder.
-      include preceding /, e.g "/accounts".
+  - setting: subfolder_note
+    name: "Reverse proxy-ing to a subfolder?"
+    type: note
+    description: "Put the folder (e.g. /accounts) in \"Reverse Proxy subfolder\", and the full URL including it (e.g. https://jellyf.in/accounts) in \"External jfa-go URL\"."
   - setting: jfa_url
     name: External jfa-go URL
     required: true
@@ -209,6 +207,12 @@ sections:
     description: The URL at which the jfa-go root (admin page) is accessible, including
       the subfolder if you use one. This is necessary because using a reverse proxy
       means the program has no way of knowing the URL itself.
+  - setting: url_base
+    name: Reverse Proxy subfolder
+    requires_restart: true
+    type: text
+    description: URL base for when running jfa-go with a reverse proxy in a subfolder.
+      include preceding /, e.g "/accounts".
   - setting: redirect_url
     name: Form success redirect URL
     type: text
@@ -232,10 +236,14 @@ sections:
     - ["opaque", "Opaque"]
     value: clear
     description: Appearance of the Admin login screen.
+  - setting: urlpaths_note
+    name: "URL Paths:"
+    type: note
+    description: "Want \"My Account\" at \"/\" or the admin page at \"/admin\"? Enable advanced settings and check the \"URL Paths\" section."
 - section: url_paths
   meta:
     name: URL Paths
-    description: Settings for changing where different pages are accessed.
+    description: Settings for changing where different pages are accessed. If you change & forget these, they're printed in the logs on startup. Paths should have a slash at the beginning but not at the end.
     advanced: true
   settings:
   - setting: admin
@@ -243,7 +251,7 @@ sections:
     type: text
     required: true
     requires_restart: true
-    value: "/"
+    value: ""
     description: URL subpath the admin page should be at.
   - setting: user_page
     name: "\"My Account\" subpath"

logmessages/logmessages.go

@@ -212,9 +212,10 @@ const (
 	InitProxy           = "Initialized proxy @ \"%s\""
 	FailedInitProxy     = "Failed to initialize proxy @ \"%s\": %v\nStartup will pause for a bit to grab your attention."
 	NoURLSuffix         = `Warning: Given "jfa_url"/"External jfa-go URL" value does not include "url_base" value!`
-	BadURLBase          = `Warning: Given URL Base "%s" may conflict with the applications subpaths.`
+	BadURLBase          = `Warning: Given reverse proxy subfolder "%s" may conflict with the applications subpaths.`
 	NoExternalHost      = `No "External jfa-go URL" provided, set one in Settings > General.`
 	LoginWontSave       = ` Your login won't save until you do.`
+	SubpathBlockMessage = `URLs: Root subfolder = "%s", Admin = "%s", My Account = "%s", Invite forms = "%s"`
 
 	// discord.go
 	StartDaemon                      = "Started %s daemon"

ts/admin.ts

@@ -178,7 +178,6 @@ for (const tab of tabs) {
     }
 }
 // Default tab
-// if ((window.URLBase + "/").includes(window.location.pathname)) {
 if (!matchedTab) {
     window.tabs.switch("", true);
 }

ts/user.ts

@@ -660,7 +660,7 @@ document.addEventListener("details-reload", () => {
             expiryCard.expiry = details.expiry;
 
             const adminBackButton = document.getElementById("admin-back-button") as HTMLAnchorElement;
-            adminBackButton.href = window.location.href.replace(window.pages.MyAccount, window.pages.Admin);
+            adminBackButton.href = window.pages.Base + window.pages.Admin;
 
             let messageCard = document.getElementById("card-message");
             if (details.accounts_admin) {