Setup login flow and some style changes

src/app.d.ts

@@ -1,13 +1,21 @@
 // See https://svelte.dev/docs/kit/types#app.d.ts
 // for information about these interfaces
+import type { Session, SupabaseClient, User } from '@supabase/supabase-js'
+import type { Database } from './database.types.ts' // import generated types
 declare global {
   namespace App {
     // interface Error {}
-    // interface Locals {}
-    // interface PageData {}
+    interface Locals {
+      supabase: ReturnType<typeof SupabaseClient<Database>>
+      safeGetSession: () => Promise<{ session: Session | null; user: User | null }>
+      session: Session | null
+      user: User | null
+    }
+    interface PageData {
+      session: Session | null
+    }
     // interface PageState {}
     // interface Platform {}
   }
 }
-
 export {};

src/database.types.ts

@@ -0,0 +1,155 @@
+export type Json =
+  | string
+  | number
+  | boolean
+  | null
+  | { [key: string]: Json | undefined }
+  | Json[]
+
+export type Database = {
+  // Allows to automatically instantiate createClient with right options
+  // instead of createClient<Database, { PostgrestVersion: 'XX' }>(URL, KEY)
+  __InternalSupabase: {
+    PostgrestVersion: "14.5"
+  }
+  public: {
+    Tables: {
+      [_ in never]: never
+    }
+    Views: {
+      [_ in never]: never
+    }
+    Functions: {
+      [_ in never]: never
+    }
+    Enums: {
+      [_ in never]: never
+    }
+    CompositeTypes: {
+      [_ in never]: never
+    }
+  }
+}
+
+type DatabaseWithoutInternals = Omit<Database, "__InternalSupabase">
+
+type DefaultSchema = DatabaseWithoutInternals[Extract<keyof Database, "public">]
+
+export type Tables<
+  DefaultSchemaTableNameOrOptions extends
+    | keyof (DefaultSchema["Tables"] & DefaultSchema["Views"])
+    | { schema: keyof DatabaseWithoutInternals },
+  TableName extends DefaultSchemaTableNameOrOptions extends {
+    schema: keyof DatabaseWithoutInternals
+  }
+    ? keyof (DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Tables"] &
+        DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Views"])
+    : never = never,
+> = DefaultSchemaTableNameOrOptions extends {
+  schema: keyof DatabaseWithoutInternals
+}
+  ? (DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Tables"] &
+      DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Views"])[TableName] extends {
+      Row: infer R
+    }
+    ? R
+    : never
+  : DefaultSchemaTableNameOrOptions extends keyof (DefaultSchema["Tables"] &
+        DefaultSchema["Views"])
+    ? (DefaultSchema["Tables"] &
+        DefaultSchema["Views"])[DefaultSchemaTableNameOrOptions] extends {
+        Row: infer R
+      }
+      ? R
+      : never
+    : never
+
+export type TablesInsert<
+  DefaultSchemaTableNameOrOptions extends
+    | keyof DefaultSchema["Tables"]
+    | { schema: keyof DatabaseWithoutInternals },
+  TableName extends DefaultSchemaTableNameOrOptions extends {
+    schema: keyof DatabaseWithoutInternals
+  }
+    ? keyof DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Tables"]
+    : never = never,
+> = DefaultSchemaTableNameOrOptions extends {
+  schema: keyof DatabaseWithoutInternals
+}
+  ? DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Tables"][TableName] extends {
+      Insert: infer I
+    }
+    ? I
+    : never
+  : DefaultSchemaTableNameOrOptions extends keyof DefaultSchema["Tables"]
+    ? DefaultSchema["Tables"][DefaultSchemaTableNameOrOptions] extends {
+        Insert: infer I
+      }
+      ? I
+      : never
+    : never
+
+export type TablesUpdate<
+  DefaultSchemaTableNameOrOptions extends
+    | keyof DefaultSchema["Tables"]
+    | { schema: keyof DatabaseWithoutInternals },
+  TableName extends DefaultSchemaTableNameOrOptions extends {
+    schema: keyof DatabaseWithoutInternals
+  }
+    ? keyof DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Tables"]
+    : never = never,
+> = DefaultSchemaTableNameOrOptions extends {
+  schema: keyof DatabaseWithoutInternals
+}
+  ? DatabaseWithoutInternals[DefaultSchemaTableNameOrOptions["schema"]]["Tables"][TableName] extends {
+      Update: infer U
+    }
+    ? U
+    : never
+  : DefaultSchemaTableNameOrOptions extends keyof DefaultSchema["Tables"]
+    ? DefaultSchema["Tables"][DefaultSchemaTableNameOrOptions] extends {
+        Update: infer U
+      }
+      ? U
+      : never
+    : never
+
+export type Enums<
+  DefaultSchemaEnumNameOrOptions extends
+    | keyof DefaultSchema["Enums"]
+    | { schema: keyof DatabaseWithoutInternals },
+  EnumName extends DefaultSchemaEnumNameOrOptions extends {
+    schema: keyof DatabaseWithoutInternals
+  }
+    ? keyof DatabaseWithoutInternals[DefaultSchemaEnumNameOrOptions["schema"]]["Enums"]
+    : never = never,
+> = DefaultSchemaEnumNameOrOptions extends {
+  schema: keyof DatabaseWithoutInternals
+}
+  ? DatabaseWithoutInternals[DefaultSchemaEnumNameOrOptions["schema"]]["Enums"][EnumName]
+  : DefaultSchemaEnumNameOrOptions extends keyof DefaultSchema["Enums"]
+    ? DefaultSchema["Enums"][DefaultSchemaEnumNameOrOptions]
+    : never
+
+export type CompositeTypes<
+  PublicCompositeTypeNameOrOptions extends
+    | keyof DefaultSchema["CompositeTypes"]
+    | { schema: keyof DatabaseWithoutInternals },
+  CompositeTypeName extends PublicCompositeTypeNameOrOptions extends {
+    schema: keyof DatabaseWithoutInternals
+  }
+    ? keyof DatabaseWithoutInternals[PublicCompositeTypeNameOrOptions["schema"]]["CompositeTypes"]
+    : never = never,
+> = PublicCompositeTypeNameOrOptions extends {
+  schema: keyof DatabaseWithoutInternals
+}
+  ? DatabaseWithoutInternals[PublicCompositeTypeNameOrOptions["schema"]]["CompositeTypes"][CompositeTypeName]
+  : PublicCompositeTypeNameOrOptions extends keyof DefaultSchema["CompositeTypes"]
+    ? DefaultSchema["CompositeTypes"][PublicCompositeTypeNameOrOptions]
+    : never
+
+export const Constants = {
+  public: {
+    Enums: {},
+  },
+} as const

src/hooks.server.ts

@@ -0,0 +1,54 @@
+import { PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_PUBLISHABLE_KEY } from '$env/static/public'
+import { createServerClient } from '@supabase/ssr'
+import type { Handle } from '@sveltejs/kit'
+import type {Database} from "./database.types.ts"
+export const handle: Handle = ({ event, resolve }) => {
+  event.locals.supabase = createServerClient<Database>(PUBLIC_SUPABASE_URL, PUBLIC_SUPABASE_PUBLISHABLE_KEY, {
+    cookies: {
+      getAll() {
+        return event.cookies.getAll()
+      },
+      setAll(cookiesToSet, headers) {
+        /**
+         * Note: You have to add the `path` variable to the
+         * set and remove method due to sveltekit's cookie API
+         * requiring this to be set, setting the path to an empty string
+         * will replicate previous/standard behavior (https://kit.svelte.dev/docs/types#public-types-cookies)
+         */
+        cookiesToSet.forEach(({ name, value, options }) =>
+          event.cookies.set(name, value, { ...options, path: '/' })
+        )
+        if (Object.keys(headers).length > 0) {
+          event.setHeaders(headers)
+        }
+      },
+    },
+  })
+  /**
+   * Unlike `supabase.auth.getSession()`, which returns the session _without_
+   * validating the JWT, this function also calls `getUser()` to validate the
+   * JWT before returning the session.
+   */
+  event.locals.safeGetSession = async () => {
+    const {
+      data: { session },
+    } = await event.locals.supabase.auth.getSession()
+    if (!session) {
+      return { session: null, user: null }
+    }
+    const {
+      data: { user },
+      error,
+    } = await event.locals.supabase.auth.getUser()
+    if (error) {
+      // JWT validation has failed
+      return { session: null, user: null }
+    }
+    return { session, user }
+  }
+  return resolve(event, {
+    filterSerializedResponseHeaders(name) {
+      return name === 'content-range' || name === 'x-supabase-api-version'
+    },
+  })
+}

src/lib/styles/style.css

@@ -86,17 +86,32 @@ h6 {
   text-decoration: underline;
 }
 
+.site-nav form {
+  margin: 0;
+}
+
 .site-nav .login-link {
   background: transparent;
   border: 1px solid var(--color-text);
   color: var(--color-text);
+  cursor: pointer;
+  font-family: 'VT323', monospace;
+  font-size: clamp(16px, 5vw, 24px);
+  font-weight: 400;
+  height: auto;
+  line-height: 1;
+  margin: 0;
   padding: clamp(2px, 1vw, 4px) clamp(8px, 2.5vw, 14px);
+  text-transform: none;
+  white-space: nowrap;
 }
 
-.site-nav .login-link:hover {
+.site-nav .login-link:hover,
+.site-nav .login-link:focus {
   background: transparent;
   border-color: var(--color-accent);
   color: var(--color-accent);
+  outline: 0;
   text-decoration: underline;
 }
 
@@ -191,12 +206,12 @@ textarea#text-input:focus {
 }
 
 .login-page {
-  align-items: center;
+  align-items: flex-start;
   display: flex;
   justify-content: center;
   min-height: calc(100vh - 96px);
-  padding-bottom: 48px;
-  padding-top: 48px;
+  padding-bottom: 24px;
+  padding-top: 24px;
 }
 
 .login-card {
@@ -265,6 +280,14 @@ textarea#text-input:focus {
   width: 220px;
 }
 
+.button,
+button,
+input[type="submit"],
+input[type="reset"],
+input[type="button"] {
+  border-radius: 0;
+}
+
 button {
   background: transparent;
   border: 1px solid var(--color-text);

src/routes/auth/confirm/+server.ts

@@ -0,0 +1,26 @@
+   import { redirect } from '@sveltejs/kit';
+   import type { RequestHandler } from './$types';
+   import type { EmailOtpType } from '@supabase/supabase-js';
+
+   export const GET: RequestHandler = async ({url, locals}) => {
+     const token_hash = url.searchParams.get('token_hash');
+     const type = url.searchParams.get('type') as EmailOtpType | null;
+
+     if (!token_hash) {
+       throw redirect(303, "/login")
+     }else if (!type){
+       throw redirect(303, "/login")
+     }
+
+     const { error } = await locals.supabase.auth.verifyOtp({
+       token_hash,
+       type
+     });
+
+     if (error){
+       throw redirect(303, "/login");
+     }
+
+
+     throw redirect(303, "/dashboard");
+   }

src/routes/dashboard/+page.server.ts

@@ -0,0 +1,15 @@
+import {redirect} from "@sveltejs/kit"
+import type { PageServerLoad } from "./$types"
+
+export const load: PageServerLoad = async ({locals}) => {
+  const { session, user} = await locals.safeGetSession();
+
+  if (!session || !user){
+    throw redirect(303, "/login");
+  }
+    return {
+      session, 
+      user, 
+      markdown: ''
+  };
+};

src/routes/dashboard/+page.svelte

@@ -1,7 +1,9 @@
 <header class="site-header">
   <a class="site-logo" href="/">gitKeep</a>
   <nav class="site-nav" aria-label="Main navigation">
-    <a class="login-link" href="#get-started">Logout</a>
+    <form method="POST" action="/logout">
+      <button class="login-link" type="submit">Logout</button>
+    </form>
   </nav>
 </header>
 

src/routes/login/+page.server.ts

@@ -1,29 +1,37 @@
-   import { fail } from '@sveltejs/kit';
-   import { supabase } from '$lib/server/supabase.ts';
-   import type { Actions } from './$types';
+import { fail } from "@sveltejs/kit";
+import type { Actions } from "./$types";
 
 export const actions: Actions = {
-  default: async ({request, url}) =>{
+  default: async ({ request, url, locals }) => {
     const form = await request.formData();
-    const email = String(form.get("email") ?? "");
+    const email = String(form.get("email") ?? "")
+      .trim()
+      .toLowerCase();
     const baseUrl = url.origin;
 
-    if (!email){
-      return fail(400, {message: "Missing email"})
+    if (!email) {
+      return fail(400, { message: "Missing email" });
     }
-      const { error } = await supabase.auth.signInWithOtp({
-      email: email,
+
+    const { error } = await locals.supabase.auth.signInWithOtp({
+      email,
       options: {
         shouldCreateUser: true,
-        emailRedirectTo: `${baseUrl}/dashboard`,
+        emailRedirectTo: `${baseUrl}/auth/confirm`,
       },
-    })
-    
-    if (error){
-      return fail(400, error.message);
+    });
+
+    if (error) {
+      const isRateLimited = error.status === 429 ||
+        error.message.toLowerCase().includes("rate limit");
+
+      return fail(isRateLimited ? 429 : 400, {
+        message: isRateLimited
+          ? "Too many login emails requested. Please wait a minute, then try again."
+          : error.message,
+      });
     }
 
-    return {success: true}
-
-  }
-}
+    return { success: true, email };
+  },
+};

src/routes/login/+page.svelte

@@ -1,19 +1,46 @@
 <header class="site-header">
   <a class="site-logo" href="/">gitKeep</a>
-  <nav class="site-nav" aria-label="Main navigation">
-    <a href="/">Home</a>
-  </nav>
 </header>
 
+<script lang="ts">
+  import type { PageProps } from "./$types";
+
+  let { form }: PageProps = $props();
+  let isSubmitting = $state(false);
+</script>
+
 <section class="container login-page">
   <div class="login-card">
     <h1 class="display-heading">Login</h1>
-    <p class="login-copy">Enter your email and we’ll send you a magic link.</p>
+    {#if form?.success}
+      <h4>Check your email for your login link!</h4>
+    {:else}
+      <p class="login-copy">
+        Enter your email and we’ll send you a magic link.
+      </p>
 
-    <form class="login-form" method = "POST">
-      <label for="email">Email</label>
-      <input id="email" name="email" type="email" autocomplete="email" placeholder="you@example.com" required />
-      <button type="submit">Send magic link</button>
-    </form>
+      {#if form?.message}
+        <p class="error-message">{form.message}</p>
+      {/if}
+
+      <form
+        class="login-form"
+        method="POST"
+        onsubmit={() => (isSubmitting = true)}
+      >
+        <label for="email">Email</label>
+        <input
+          id="email"
+          name="email"
+          type="email"
+          autocomplete="email"
+          placeholder="you@example.com"
+          required
+        />
+        <button type="submit" disabled={isSubmitting}>
+          {isSubmitting ? "Sending…" : "Send magic link"}
+        </button>
+      </form>
+    {/if}
   </div>
 </section>

src/routes/logout/+server.ts

@@ -0,0 +1,8 @@
+import {redirect} from "@sveltejs/kit"
+import type { RequestHandler } from ".$types"
+
+export const POST: RequestHandler = async ({locals}) => {
+  await locals.supabase.auth.signOut();
+
+  throw redirect(303, "/login");
+}