${_title}

\n ${content}\n `;\n },\n }).toString(),\n {\n ...init,\n headers: {\n ...init?.headers,\n \"Content-Type\": \"text/html\",\n },\n },\n );\n },\n ...options,\n };\n const HANDLER_NAME = `@${handle}/${name}`;\n const ENDPOINT = getValEndpointFromName(HANDLER_NAME);\n\n const rootPath = (_rootPath.startsWith(\"/\")\n ? _rootPath\n : `/${_rootPath}`).replace(/\\/+$/, \"\");\n\n const templates = {\n ...defaultTemplates,\n ...options.templates,\n };\n\n function verifyAuthToken(token: string, req: Request) {\n return verifyThirdParty(token, {\n issuer: `@${handle}/authId`,\n audience: HANDLER_NAME,\n async custom(payload) {\n const author = payload.iss.split(\"/\")[0];\n return {\n scope: [`${author}/authId/id`],\n };\n },\n ...verify,\n });\n }\n\n return async (context: Context, next: () => void) => {\n const req = getRequestContextRequest(context);\n let { pathname, searchParams: qs } = new URL(req.url);\n pathname = pathname.replace(/\\/+$/, \"\").slice(rootPath.length);\n\n const cookie = getAuthCookie(req);\n\n let payload;\n try {\n payload = cookie && await verifyAuthToken(cookie, req);\n } catch (e) {\n console.log(\"cookie token validation failed\", e);\n }\n\n if (payload && pathname === \"/login\") {\n return Response.redirect(ENDPOINT + rootPath);\n }\n\n if (pathname === \"/login\" || (pathname === \"/logout\" && req.method === \"POST\")) {\n if (req.method === \"GET\") {\n const token = qs.get(\"token\");\n const clientToken = qs.get(\"clientToken\");\n qs.delete(\"token\");\n qs.delete(\"clientToken\");\n\n let failReason: RawHTML | undefined;\n\n const tokenDecoded = token && await decode(token);\n\n const [tokenPayload, clientTokenPayload] = await Promise.all([\n token && verifyAuthToken(token, req).catch((e) => {\n console.log(\"error while parsing token qs\", e);\n failReason = html`token validation failed: ${e.message}`;\n }),\n tokenDecoded && clientToken && verifyThirdParty(clientToken, {\n audience: [HANDLER_NAME, tokenDecoded.iss],\n issuer: HANDLER_NAME,\n custom: {\n scope: `${HANDLER_NAME}/requestAuth`,\n maxUses: 1,\n },\n }).catch((e) => {\n console.log(\"error validating clientToken\", e, clientToken);\n failReason = html`clientToken validation failed: ${e.message}`;\n }),\n ]);\n\n if (tokenPayload && clientTokenPayload) {\n if (tokenPayload.clientTokenId === clientTokenPayload.jti) {\n const { searchParams } = new URL(ENDPOINT + clientTokenPayload.returnTo.slice(HANDLER_NAME.length));\n const res = new Response(undefined, {\n status: 302,\n headers: {\n Location: ENDPOINT + (searchParams.get(\"returnTo\") || rootPath),\n },\n });\n setAuthCookie(res, token);\n return res;\n }\n failReason = html`clientToken validation failed: client token id mismatch`;\n }\n\n if (token || clientToken) {\n return createResponse(context, templates.failedLogin(failReason), {\n status: 403,\n });\n }\n return createResponse(context, templates.signInForm);\n } else if (req.method === \"POST\") {\n const formData = await req.formData();\n\n const username = formData.get(\"username\")?.trim().replace(/^\\@/, \"\").match(/^\\w+$/)?.[0];\n const val = \"authId\"; // formData.get(\"val\")?.trim().match(/^\\w+$/)?.[0];\n\n if (!(username && val)) {\n return createResponse(context, templates.signInForm, {\n status: 400,\n });\n }\n\n const name = `@${username}/${val}`;\n const authEndpoint = getValEndpointFromName(name);\n const returnToPath = (qs.get(\"returnTo\") || \"\").replace(/\\/*(login|logout)\\/*$/, \"\");\n const returnQS = new URLSearchParams();\n\n if (returnToPath.slice(1)) {\n returnQS.set(\"returnTo\", rootPath + returnToPath);\n }\n\n const newPayload = {\n iss: HANDLER_NAME,\n scope: `${HANDLER_NAME}/requestAuth`,\n aud: [name, HANDLER_NAME],\n returnTo: HANDLER_NAME + rootPath + \"/login\" + (returnQS.size ? `?${returnQS}` : \"\"),\n };\n\n newPayload.requestScope = requestScope instanceof Function\n ? await requestScope(req, name)\n : requestScope;\n\n const token = await generate(newPayload, \"15m\");\n\n const authQS = new URLSearchParams();\n authQS.set(\"clientToken\", token);\n\n return Response.redirect(`${authEndpoint}?${authQS}`);\n }\n } else if (pathname === \"/logout\" && req.method !== \"POST\") {\n const res = await createResponse(context, templates.loggedOut);\n setAuthCookie(res, undefined);\n return res;\n }\n\n if (!payload && !optional) {\n const qs = new URLSearchParams();\n pathname && qs.set(\"returnTo\", pathname);\n return Response.redirect(`${ENDPOINT}${rootPath}/login${qs.size ? `?${qs}` : \"\"}`);\n }\n\n context.set(\"token\", cookie);\n context.set(\"auth\", payload);\n\n return next();\n };\n}\n\nexport const signInFormBase = html`\n \n`;\n\nexport const signInForm = html`\n ${signInFormBase}\n \n

\n If you haven't set up the required Vals jwks and authId yet, there is a guide at\n \n @postpostscript/authIdUserGuide\n \n

\n`;\n\nexport const defaultTemplates = {\n signInForm,\n\n loggedOut: html`\n

\n You are now logged out! You can close this tab.\n

\n\n ${signInForm}\n `,\n\n failedLogin: (reason: unknown) =>\n html`\n \n\n ${signInForm}\n `,\n};\n\nexport function userDisplay(payload: JWTPayload) {\n return payload.sub.replace(/\\/.*/, \"\");\n}\n\nexport function userActionsDisplay(\n payload: JWTPayload,\n {\n order = [\"language\", \"profile\", \"username\", \"logout\"],\n parts = {} as Record,\n } = {},\n) {\n const username = userDisplay(payload);\n\n const _parts: Record = {\n language: html`\n \n Signed in as\n \n `,\n profile: html`\n \n \n ${Profile(username)}\n \n \n `,\n username: html`\n \n \n ${username}\n \n \n `,\n logout: html`\n \n \n Log Out\n \n \n `,\n ...parts,\n };\n\n return html`\n \n ${order.map(key => _parts[key])}\n \n `;\n}\n\nexport type AuthContextVariables = {\n token: string;\n auth: JWTPayload;\n};\nexport type HonoEnv = {\n Variables: AuthContextVariables;\n};\nexport type HonoEnvOptional = {\n Variables: Partial;\n};","deleted",false,"label",[36],"7a509eae-2760-11f0-86ff-569c3dd06744","README.md","7a509f30-2760-11f0-86ff-569c3dd06744",1,["D",1709411892508],0,"# authMiddleware: middleware to protect your HTTP val\n\n## Todo\n- [ ] Human readable JWT claim validation errors",[58],{"_34":57,"_13":58,"_37":59,"_39":-5,"_40":41,"_42":60,"_44":45,"_46":71,"_17":62,"_49":24,"_51":63,"_53":54,"_55":-5,"_68":72,"_18":73},{"_34":35,"_13":36,"_37":38,"_39":-5,"_40":41,"_42":43,"_44":45,"_46":67,"_17":48,"_49":50,"_51":52,"_53":54,"_55":-5,"_68":69,"_18":70},["D",1709775728746],"children",[],[36],["D",1709411892508],[],[58],"7a4daf28-2760-11f0-86ff-569c3dd06744",["D",1746195577072],"deletedAt","legacyEnvVars","privacy","public","httpPrivacy","description","imageUrl","userId","4bfb99a9-2008-40e0-bacb-7c7d84227cee","pinnedFileId","pinPreview","pinMigrated","screenshotVersion","likeCount","orgId","1073b191-f665-405d-9530-545465c93575","tursoName","tursoHostname","tursoMeasuredAt","pinned","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm","user",{"_11":12,"_126":122},"org",{"_11":12,"_120":-5,"_121":122,"_83":84,"_123":124,"_125":54},"branch",{"_17":43,"_13":16,"_34":41,"_112":74,"_113":-5,"_114":-5,"_115":-5,"_116":-5,"_117":-5,"_118":14,"_119":12},"isOwned","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","displayName","avatar","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvdXBsb2FkZWQvaW1nXzJjdlhaRXl0WXVNSlhZcWU0ckI2c1BOMjNhQSJ9","tier","free","canRestrictVals","profileImageUrl","adoptOrgId",{"_34":74,"_13":14,"_46":164,"_76":-5,"_77":45,"_78":79,"_80":79,"_81":-5,"_82":-5,"_83":84,"_85":-5,"_86":45,"_87":-5,"_88":-5,"_89":62,"_90":91,"_92":-5,"_93":-5,"_94":-5,"_95":-5,"_96":97,"_98":97,"_99":100,"_101":100,"_102":100,"_103":97,"_104":97,"_105":165,"_107":166,"_109":167,"_111":54},[158,159],"files",[158,159],"counts",{"_149":62,"_150":60,"_151":60,"_31":152,"_153":154},[145,146],"upstreamProject","upstreamBranch","emptyEnvVars","flags",[],"hasHttpFiles","grants","orgs","customDomains",{},{"_34":57,"_13":58,"_37":59,"_39":-5,"_40":41,"_42":60,"_44":45,"_46":61,"_17":62,"_49":24,"_51":63,"_53":54,"_55":-5,"_18":148},{"_34":35,"_13":36,"_37":38,"_39":-5,"_40":41,"_42":43,"_44":45,"_46":47,"_17":48,"_49":50,"_51":52,"_53":54,"_55":-5,"_18":147},[36],[58],"pulls","branches","forks",{"_155":62,"_157":62},"connections",{"_155":62,"_156":62},"count","unfilledCount","emptyCount",{"_34":57,"_13":58,"_37":59,"_39":-5,"_40":41,"_42":60,"_44":45,"_46":71,"_17":62,"_49":24,"_51":63,"_53":54,"_55":-5,"_68":162,"_18":163},{"_34":35,"_13":36,"_37":38,"_39":-5,"_40":41,"_42":43,"_44":45,"_46":67,"_17":48,"_49":50,"_51":52,"_53":54,"_55":-5,"_68":160,"_18":161},[],[36],[],[58],["D",1746195577072],{"_11":12,"_126":122},{"_11":12,"_120":-5,"_121":122,"_83":84,"_123":124,"_125":54},{"_17":43,"_13":16,"_34":41,"_112":74,"_113":-5,"_114":-5,"_115":-5,"_116":-5,"_117":-5,"_118":14,"_119":12},"ctx",{"_105":-5,"_142":201,"_202":203,"_204":205,"_206":54,"_207":54,"_208":54,"_209":45,"_210":-5,"_211":-7,"_212":-7,"_213":62,"_214":54,"_215":54,"_216":-5,"_217":54,"_218":54,"_219":54,"_220":-5},"ENV",{"_172":173,"_174":175,"_176":16,"_177":178,"_179":180,"_181":182,"_183":184,"_185":186,"_187":188,"_189":190,"_191":192,"_193":194,"_195":196,"_197":198,"_199":200},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","e87eb04e707cf64e7e532c8e8ec395f209e17f15","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Code