Townie

\n
\n \n Log in with Val Town\n \n

\n \n \n `);\n});\n\napp.post(\"/logout\", (c) => {\n deleteCookie(c, \"_session\");\n return c.redirect(VALTOWN_URL);\n});\n\n// redirect to OAuth flow\napp.get(\"/auth\", async (c) => {\n const sessionCookie = getCookie(c, \"_session\");\n if (sessionCookie) return c.redirect(\"/\");\n\n const codeVerifier = client.randomPKCECodeVerifier();\n const codeChallenge = await client.calculatePKCECodeChallenge(codeVerifier);\n const state = client.randomState();\n\n const parameters = {\n redirect_uri: REDIRECT_URI,\n scope: SCOPE,\n code_challenge: codeChallenge,\n code_challenge_method: \"S256\",\n prompt: \"login consent\",\n state,\n };\n const redirectUrl = client.buildAuthorizationUrl(config, parameters);\n setCookie(c, \"codeVerifier\", codeVerifier);\n setCookie(c, \"state\", state);\n\n return c.redirect(redirectUrl);\n});\n\n// OAuth callback\napp.get(\"*\", async (c, next) => {\n const code = c.req.query(\"code\");\n if (!code) return next();\n\n const pkceCodeVerifier = getCookie(c, \"codeVerifier\");\n const expectedState = getCookie(c, \"state\");\n const tokens = await client.authorizationCodeGrant(\n config,\n new URL(c.req.url),\n {\n pkceCodeVerifier,\n expectedState,\n }\n );\n const expiration = new Date(Date.now() + tokens.expires_in * 1000).getTime();\n const cookie = `${tokens.access_token}.${expiration}`;\n setCookie(c, \"_session\", cookie);\n return c.redirect(\"/\");\n});\n\n// check token expiration\napp.get(\"*\", async (c, next) => {\n const sessionCookie = getCookie(c, \"_session\");\n if (!sessionCookie) return next();\n\n let tokens = sessionCookie.split(\".\");\n const expiration = new Date(parseInt(tokens[1])).getTime();\n if (expiration < Date.now()) {\n deleteCookie(c, \"_session\");\n return c.redirect(\"/auth\");\n }\n return next();\n});\n\n// SPA routes\napp.get(\"*\", async (c) => {\n const sessionCookie = getCookie(c, \"_session\");\n\n try {\n // validate session\n const tokens = sessionCookie.split(\".\");\n const vt = new ValTown({ bearerToken: tokens[0] });\n const user = await vt.me.profile.retrieve();\n // console.log(\"logged in as user\", user.name);\n } catch (err) {\n console.log(err);\n deleteCookie(c, \"_session\");\n return c.redirect(\"/login\");\n }\n\n return c.html(`\n \n \n Townie\n \n \n \n \n \n \n

\n \n \n \n \n `);\n});\n\n// Unwrap and rethrow Hono errors as the original error\n// If you delete this, all errors will be \"Internal Server Error\"\napp.onError((err, c) => {\n throw err;\n});\n\nexport default app.fetch;\n","deleted","label",[98],"permalink","https://www.val.town/x/jasonkneen/Townie/code/index.ts","extension","actionData","errors"]