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74 lines
3.0 KiB
Plaintext
74 lines
3.0 KiB
Plaintext
---
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title: Password-based Authentication
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description: Password-based authentication block for React Single Page Applications
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---
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<BlockPreview name="password-based-auth/auth/sign-up" />
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## Installation
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<BlockItem
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name="password-based-auth-react"
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description="All needed components for the password based auth flow"
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/>
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## Folder structure
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This block includes the [Supabase client](/ui/docs/react/client). If you already have one installed, you can skip overwriting it.
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<RegistryBlock itemName="password-based-auth-react" />
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## Usage
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Once you install the block in your React project, you'll get all the necessary pages and components to set up a password-based authentication flow.
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### Getting started
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After installing the block, you'll have the following environment variables in your `.env.local` file:
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```env
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VITE_SUPABASE_URL=
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VITE_SUPABASE_PUBLISHABLE_OR_ANON_KEY=
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```
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- If you're using supabase.com, you can find these values in the [Connect modal](https://supabase.com/dashboard/project/_?showConnect=true&connectTab=frameworks&framework=react&using=vite&with=supabasejs) under App Frameworks or in your project's [API settings](https://supabase.com/dashboard/project/_/settings/api).
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- If you're using a local instance of Supabase, you can find these values by running `supabase start` or `supabase status` (if you already have it running).
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### Setting up routes and redirect URLs
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1. Set the site URL in the [URL Configuration](https://supabase.com/dashboard/project/_/auth/url-configuration) settings in the Supabase Dashboard.
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1. Set up the route users will visit to reset or update their password. Go to the [URL Configuration](https://supabase.com/dashboard/project/_/auth/url-configuration) settings and add the `forgot-password` route to the list of Redirect URLs. It should look something like: `http://example.com/auth/forgot-password`.
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1. Update the redirect paths in `login.tsx` and `update-password.tsx` components to point to the logged-in routes in your app. Our examples use `/protected`, but you can set this to whatever fits your app.
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1. Add the following code in the authenticated route to redirect to login if the user is unauthenticated.
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```ts
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import { useEffect } from "react"
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import { createClient } from "@supabase/supabase-js"
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export default function AuthenticatedRoute() {
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useEffect(() => {
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const checkAuth = async () => {
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const client = createClient()
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const { error } = await client.auth.getUser()
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if (error) {
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location.href = "/login"
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}
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}
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checkAuth()
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}, [])
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return <div>Authenticated page</div>;
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}
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```
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## Further reading
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- [Password-based authentication (implicit flow)](https://supabase.com/docs/guides/auth/passwords?queryGroups=flow&flow=implicit)
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- [Authentication error codes](https://supabase.com/docs/guides/auth/debugging/error-codes)
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- [Email templates](https://supabase.com/docs/guides/auth/auth-email-templates)
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- [Email templates for local development](https://supabase.com/docs/guides/local-development/customizing-email-templates)
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- [Custom SMTP](https://supabase.com/docs/guides/auth/auth-smtp)
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