feat: dynamically load enabled auth providers (#3646)

packages/hoppscotch-selfhost-web/src/platform/auth/auth.api.ts

@@ -0,0 +1,30 @@
+import axios from "axios"
+import * as E from "fp-ts/Either"
+import { z } from "zod"
+
+const expectedAllowedProvidersSchema = z.object({
+  // currently supported values are "GOOGLE", "GITHUB", "EMAIL", "MICROSOFT", "SAML"
+  // keeping it as string to avoid backend accidentally breaking frontend when adding new providers
+  providers: z.array(z.string()),
+})
+
+export const getAllowedAuthProviders = async () => {
+  try {
+    const res = await axios.get(
+      `${import.meta.env.VITE_BACKEND_API_URL}/auth/providers`,
+      {
+        withCredentials: true,
+      }
+    )
+
+    const parseResult = expectedAllowedProvidersSchema.safeParse(res.data)
+
+    if (!parseResult.success) {
+      return E.left("SOMETHING_WENT_WRONG")
+    }
+
+    return E.right(parseResult.data.providers)
+  } catch (_) {
+    return E.left("SOMETHING_WENT_WRONG")
+  }
+}