[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_176":177,"_178":179},"routes/_app.x.$handle.$name",{"_101":100,"_32":49,"_109":88,"_27":110,"_13":14,"_111":-5,"_11":112,"_113":114,"_115":116,"_117":118,"_119":120,"_21":-5,"_121":122,"_123":124,"_125":25,"_126":127,"_128":25,"_129":-5,"_130":-5,"_131":132},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_47":48,"_32":49,"_36":50,"_51":-5,"_52":53,"_54":55,"_56":55,"_57":-5,"_58":-5,"_18":59,"_60":-5,"_61":53,"_62":-5,"_63":-5,"_64":65,"_66":67,"_68":-5,"_69":-5,"_70":-5,"_71":-5,"_72":73,"_74":73,"_75":76,"_77":76,"_78":76,"_79":73,"_80":73,"_81":82,"_83":84,"_85":86,"_87":25},"version",1,"changes",[19,20],"aiChatInfo","userId",{"_21":41,"_23":-7,"_24":25,"_26":25,"_27":42,"_29":42},{"_21":22,"_23":-7,"_24":25,"_26":25,"_27":28,"_29":28},"file",{"_30":31,"_32":28,"_33":21,"_34":35,"_36":37,"_38":14,"_39":40,"_24":25},"previous","deleted",false,"deletedHere","path","README.md","latestPath","fileId","6ff2e398-26d6-11f0-a5b3-569c3dd06744","name","fileType","content","# Lastlogin Authentication for val.town\n\n\n![Screenshot 2024-08-08 at 08.48.41.gif](https://imagedelivery.net/iHX6Ovru0O7AjmyT5yZRoA/36674739-cd88-472c-df16-cd0b3a62bc00/public)\n\nLive demo: https://stevekrouse-lastlogin_demo.web.val.run/\nSource: @stevekrouse/lastlogin_demo\n\n## Usage\n\nWrap your http handlers in a lastlogin middleware (sessions will be persisted in the `lastlogin_session` table on your sqlite account).\n\n```tsx\n/** @jsxImportSource npm:hono@3/jsx */\nimport { lastlogin } from \"https://esm.town/v/stevekrouse/lastlogin?v=5\";\nimport { Hono } from \"npm:hono\";\n\nconst app = new Hono();\n\napp.get(\"/\", (c) => {\n const email = c.req.header(\"X-LastLogin-Email\");\n if (email) {\n return c.html(\n

Welcome, {email}!

\n Logout\n

\n );\n } else {\n return c.html(\n

Welcome to the App

Please sign in to continue.

\n Sign In\n

\n );\n }\n});\n\nexport default lastlogin(app.fetch);\n```","createdAt",["D",1724456014016],"branchVersion","branchId","6fefb0a6-26d6-11f0-a5b3-569c3dd06744",{"_30":43,"_32":42,"_33":44,"_34":45,"_36":46,"_38":14,"_39":40,"_24":25},"main.tsx","6ff2da24-26d6-11f0-a5b3-569c3dd06744","script","/** @jsxImportSource npm:hono/jsx */\n\nasync function createSession(email: string, hostname: string) {\n const { zip } = await import(\"https://esm.town/v/pomdtr/sql\");\n const { sqlite } = await import(\"https://esm.town/v/std/sqlite\");\n\n const sessionID = crypto.randomUUID();\n const expiresAt = new Date();\n expiresAt.setDate(expiresAt.getDate() + 14);\n\n await sqlite.batch([\n `CREATE TABLE IF NOT EXISTS lastlogin_session (email TEXT, sessionID TEXT, hostname TEXT, expiresAt INTEGER)`,\n {\n sql: `DELETE FROM lastlogin_session WHERE email=? & hostname=?`,\n args: [email, hostname],\n },\n {\n sql: `INSERT INTO lastlogin_session VALUES (?, ?, ?, ?)`,\n args: [email, sessionID, hostname, expiresAt.getTime()],\n },\n ]);\n\n return sessionID;\n}\n\nasync function getSession(sessionID: string, hostname: string) {\n const { zip } = await import(\"https://esm.town/v/pomdtr/sql\");\n const { sqlite } = await import(\"https://esm.town/v/std/sqlite\");\n\n try {\n const res = await sqlite.execute({\n sql: `SELECT * FROM lastlogin_session WHERE sessionID=? AND hostname=?`,\n args: [sessionID, hostname],\n });\n const rows = zip(res);\n if (rows.length === 0) {\n return null;\n }\n\n const session = rows[0];\n if (session.expiresAt < Date.now()) {\n await sqlite.execute({\n sql: `DELETE FROM lastlogin_session WHERE sessionID=?`,\n args: [sessionID],\n });\n return null;\n }\n\n return session;\n } catch (_) {\n return null;\n }\n}\n\nasync function deleteSession(sessionID: string) {\n const { sqlite } = await import(\"https://esm.town/v/std/sqlite\");\n\n await sqlite.execute({\n sql: `DELETE FROM lastlogin_session WHERE sessionID=?`,\n args: [sessionID],\n });\n}\n\nconst SESSION_COOKIE = \"lastlogin_session\";\nconst OAUTH_COOKIE = \"oauth_store\";\n\nexport function lastlogin(\n handler: (req: Request) => Response | Promise,\n) {\n return async (req: Request) => {\n const { api } = await import(\"https://esm.town/v/pomdtr/api\");\n const { deleteCookie, getCookies, setCookie } = await import(\"jsr:@std/http/cookie\");\n\n const url = new URL(req.url);\n const clientID = `${url.protocol}//${url.host}/`;\n const redirectUri = `${url.protocol}//${url.host}/auth/callback`;\n if (url.pathname == \"/auth/callback\") {\n const cookies = await getCookies(req.headers);\n const store = JSON.parse(decodeURIComponent(cookies[OAUTH_COOKIE]));\n const state = url.searchParams.get(\"state\");\n if (!state || state != store.state) {\n return new Response(\"state mismatch\", { status: 400 });\n }\n\n const code = url.searchParams.get(\"code\");\n if (!code) {\n return new Response(\"code not found\", { status: 400 });\n }\n\n const tokenUrl = new URL(\"https://lastlogin.io/token\");\n tokenUrl.searchParams.set(\"client_id\", clientID);\n tokenUrl.searchParams.set(\"code\", code);\n tokenUrl.searchParams.set(\"redirect_uri\", redirectUri);\n tokenUrl.searchParams.set(\"response_type\", \"code\");\n tokenUrl.searchParams.set(\"state\", store.state);\n\n const tokenResp = await fetch(tokenUrl.toString());\n if (!tokenResp.ok) {\n throw new Error(await tokenResp.text());\n }\n\n const { access_token } = (await tokenResp.json()) as {\n access_token: string;\n };\n\n const resp = await fetch(\"https://lastlogin.io/userinfo\", {\n headers: {\n Authorization: `Bearer ${access_token}`,\n },\n });\n\n const { email } = (await resp.json()) as { email: string };\n const res = new Response(null, {\n status: 302,\n headers: {\n Location: store.redirect,\n },\n });\n const sessionID = await createSession(email, url.hostname);\n deleteCookie(res.headers, OAUTH_COOKIE);\n setCookie(res.headers, {\n httpOnly: true,\n secure: true,\n sameSite: \"None\",\n path: \"/\",\n name: SESSION_COOKIE,\n value: sessionID,\n });\n\n return res;\n }\n\n if (url.pathname == \"/auth/logout\") {\n const cookies = getCookies(req.headers);\n if (!(SESSION_COOKIE in cookies)) {\n return new Response(\"session cookie not found\", { status: 401 });\n }\n const sessionID = cookies[SESSION_COOKIE];\n await deleteSession(sessionID);\n\n const res = new Response(null, {\n status: 302,\n headers: {\n Location: \"/\",\n },\n });\n\n deleteCookie(res.headers, SESSION_COOKIE);\n return res;\n }\n\n const cookies = getCookies(req.headers);\n const session = await getSession(cookies[SESSION_COOKIE], url.hostname);\n if (url.pathname == \"/auth/login\" && !session) {\n const state = crypto.randomUUID();\n const authUrl = new URL(\"https://lastlogin.io/auth\");\n authUrl.searchParams.set(\"client_id\", clientID);\n authUrl.searchParams.set(\"redirect_uri\", redirectUri);\n authUrl.searchParams.set(\"scope\", \"email\");\n authUrl.searchParams.set(\"response_type\", \"code\");\n authUrl.searchParams.set(\"state\", state);\n\n const res = new Response(null, {\n status: 302,\n headers: {\n Location: authUrl.toString(),\n },\n });\n deleteCookie(res.headers, SESSION_COOKIE);\n setCookie(res.headers, {\n httpOnly: true,\n secure: true,\n sameSite: \"None\",\n path: \"/\",\n name: OAUTH_COOKIE,\n value: encodeURIComponent(\n JSON.stringify({\n state,\n redirect: url.toString(),\n }),\n ),\n });\n\n return res;\n }\n if (url.pathname === \"/auth/login\" && session) {\n return new Response(null, {\n status: 302,\n headers: {\n Location: \"/\",\n },\n });\n }\n\n if (session?.email) {\n req.headers.set(\"X-LastLogin-Email\", session.email);\n }\n\n return handler(req);\n 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Diff · v1