fix: don't allow the reserved provider names to be used in oauth

frontend/src/components/icons/local-auth.tsx

@@ -0,0 +1,22 @@
+import type { SVGProps } from "react";
+
+export function LocalAuthIcon(props: SVGProps<SVGSVGElement>) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="1em"
+      height="1em"
+      viewBox="0 0 24 24"
+      {...props}
+    >
+      <path
+        fill="none"
+        stroke="currentColor"
+        strokeLinecap="round"
+        strokeLinejoin="round"
+        strokeWidth={2}
+        d="M8 7a4 4 0 1 0 8 0a4 4 0 0 0-8 0M6 21v-2a4 4 0 0 1 4-4h5m3.5 3.5L15 22l-1.5-1.5m5.054-2.086a2 2 0 1 1 2.828-2.828a2 2 0 0 1-2.828 2.828M16 19l1 1"
+      ></path>
+    </svg>
+  );
+}

frontend/src/components/quick-actions/quick-actions.tsx

@@ -37,6 +37,13 @@ import { useMutation } from "@tanstack/react-query";
 import axios from "axios";
 import { toast } from "sonner";
 import { useEffect } from "react";
+import { GoogleIcon } from "../icons/google";
+import { GithubIcon } from "../icons/github";
+import { TailscaleIcon } from "../icons/tailscale";
+import { MicrosoftIcon } from "../icons/microsoft";
+import { PocketIDIcon } from "../icons/pocket-id";
+import { LocalAuthIcon } from "../icons/local-auth";
+import { OAuthIcon } from "../icons/oauth";
 
 function Avatar({ initial }: { initial: string }) {
   return (
@@ -49,8 +56,18 @@ function Avatar({ initial }: { initial: string }) {
   );
 }
 
+const iconStyles = "size-4";
+
+const iconMap: Record<string, React.ReactNode> = {
+  google: <GoogleIcon className={iconStyles} />,
+  github: <GithubIcon className={iconStyles} />,
+  tailscale: <TailscaleIcon className={iconStyles} />,
+  microsoft: <MicrosoftIcon className={iconStyles} />,
+  pocketid: <PocketIDIcon className={iconStyles} />,
+};
+
 export const QuickActions = () => {
-  const { auth } = useUserContext();
+  const { auth, oauth, tailscale } = useUserContext();
   const { theme, setTheme } = useTheme();
   const { t } = useTranslation();
   const { search } = useLocation();
@@ -64,6 +81,41 @@ export const QuickActions = () => {
   const screenParams = useScreenParams(searchParams);
   const compiledParams = recompileScreenParams(screenParams);
 
+  const providerDetails = (():
+    | { name: string; icon: React.ReactNode }
+    | undefined => {
+    if (!auth.authenticated) {
+      return undefined;
+    }
+
+    if (auth.providerId === "local" || auth.providerId === "ldap") {
+      return {
+        name: t(
+          auth.providerId === "ldap"
+            ? "quickActionsProviderLDAP"
+            : "quickActionsProviderLocal",
+        ),
+        icon: <LocalAuthIcon className={iconStyles} />,
+      };
+    }
+
+    if (oauth.active) {
+      return {
+        name: t("quickActionsProviderOAuth", { provider: oauth.displayName }),
+        icon: iconMap[auth.providerId] || <OAuthIcon className={iconStyles} />,
+      };
+    }
+
+    if (auth.providerId === "tailscale") {
+      return {
+        name: `Tailscale (${tailscale.nodeName})`,
+        icon: <TailscaleIcon className={iconStyles} />,
+      };
+    }
+
+    return undefined;
+  })();
+
   const logoutMutation = useMutation({
     mutationFn: () => axios.post("/api/user/logout"),
     mutationKey: ["logout"],
@@ -134,11 +186,19 @@ export const QuickActions = () => {
               <div className="bg-foreground text-background flex size-9 shrink-0 items-center justify-center rounded-full text-sm font-medium">
                 {initial}
               </div>
-              <div className="flex min-w-0 flex-col">
-                <span className="truncate text-sm font-medium">
-                  {auth.name}
-                </span>
-                <span className="text-muted-foreground truncate text-xs font-normal">
+              <div className="flex min-w-0 flex-col gap-1.5">
+                <div className="flex items-center gap-2">
+                  <span className="truncate text-sm font-medium leading-none">
+                    {auth.name}
+                  </span>
+                  {providerDetails && (
+                    <span className="text-muted-foreground inline-flex shrink-0 items-center gap-1 rounded-lg bg-secondary px-2 py-1.25 text-[10px] font-medium leading-none [&_svg]:size-3">
+                      {providerDetails.icon}
+                      {providerDetails.name}
+                    </span>
+                  )}
+                </div>
+                <span className="text-muted-foreground truncate text-xs leading-none">
                   {auth.email}
                 </span>
               </div>

frontend/src/lib/i18n/locales/en.json

@@ -99,5 +99,8 @@
   "quickActionsThemeDark": "Dark",
   "quickActionsThemeSystem": "System",
   "quickActionsLogout": "Logout",
-  "quickActionsTitle": "Quick Actions"
+  "quickActionsTitle": "Quick Actions",
+  "quickActionsProviderLocal": "Local",
+  "quickActionsProviderLDAP": "LDAP",
+  "quickActionsProviderOAuth": "{{provider}} OAuth"
 }

internal/bootstrap/app_bootstrap.go

@@ -11,6 +11,7 @@ import (
 	"net/url"
 	"os"
 	"os/signal"
+	"slices"
 	"sort"
 	"strings"
 	"syscall"
@@ -131,6 +132,10 @@ func (app *BootstrapApp) Setup() error {
 	app.runtime.OAuthProviders = app.config.OAuth.Providers
 
 	for id, provider := range app.runtime.OAuthProviders {
+		if slices.Contains(model.ReservedProviderNames, id) {
+			return fmt.Errorf("provider id %s is reserved and cannot be used", id)
+		}
+
 		providerWhitelist, err := utils.GetStringList(provider.Whitelist, provider.WhitelistFile)
 		if err != nil {
 			return fmt.Errorf("failed to load oauth whitelist for provider %s: %w", id, err)

internal/model/constants.go

@@ -17,6 +17,8 @@ var OverrideProviders = map[string]string{
 	"github": "GitHub",
 }
 
+var ReservedProviderNames = []string{"local", "ldap", "tailscale"}
+
 const SessionCookieName = "tinyauth-session"
 const CSRFCookieName = "tinyauth-csrf"
 const RedirectCookieName = "tinyauth-redirect"