[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_175":176,"_177":178},"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","7be78bdc-277f-11f0-b46e-569c3dd06744","name","fileType","content","# authMiddleware: middleware to protect your HTTP val\n\n## Todo\n- [ ] Human readable JWT claim validation errors","createdAt",["D",1709802258692],"branchVersion","branchId","7be32d30-277f-11f0-b46e-569c3dd06744",{"_30":43,"_32":42,"_33":44,"_34":45,"_36":46,"_38":14,"_39":40,"_24":25},"main.tsx","7be77700-277f-11f0-b46e-569c3dd06744","script","import { getCookies, setCookie } from \"https://deno.land/std/http/cookie.ts\";\nimport { rootValRef } from \"https://esm.town/v/andreterron/rootValRef\";\nimport { getAuthCookie, setAuthCookie } from \"https://esm.town/v/postpostscript/authIdBase\";\nimport { html, htmlResponse, Layout, RawHTML } from \"https://esm.town/v/postpostscript/htmlComponentLibrary\";\nimport { generate, verify, verifyThirdParty } from \"https://esm.town/v/postpostscript/jwks\";\nimport { decode, type JWTPayload, type JWTVerifyOptions } from \"https://esm.town/v/postpostscript/jwksUtils\";\nimport {\n getValEndpointFromName,\n getValEndpointFromUrl,\n getValUrlFromName,\n} from \"https://esm.town/v/postpostscript/meta\";\nimport { Profile } from \"https://esm.town/v/postpostscript/ProfileImage\";\nimport type { MaybePromise } from \"https://esm.town/v/postpostscript/typeUtils\";\nimport type { HonoRequest } from \"npm:hono\";\n\ntype MaybeMethod = T | ((req: Request, payload: JWTPayload) => MaybePromise);\ntype MaybeNameMethod = T | ((req: Request, name: string) => MaybePromise);\n\nexport type AuthMiddlewareOptions = {\n rootVal?: ReturnType;\n verify?: JWTVerifyOptions;\n requestScope?: MaybeNameMethod;\n title?: string;\n templates?: Partial;\n};\n\nasync function normalizeOption(value: MaybeMethod, req: Request, payload: JWTPayload): Promise {\n return value instanceof Function\n ? await value(req, payload)\n : value;\n}\n\nexport function getRequestContextRequest(context: ImplementsRequestContext) {\n return \"raw\" in context.req\n ? context.req.raw\n : context.req;\n}\n\nexport interface ImplementsRequestContext<\n Env extends { Variables: AuthContextVariables } = { Variables: AuthContextVariables },\n> {\n req: Request | HonoRequest;\n set: Env extends { Variables: infer Variables } ? (key: K, value: Variables[K]) => void\n : (key: string, value: any) => void;\n get: Env extends { Variables: infer Variables } ? (key: K) => Variables[K]\n : (key: string) => any;\n}\n\nexport function authWrapperCookie(\n handler: (req: Request, context: ImplementsRequestContext) => MaybePromise,\n options: AuthMiddlewareOptions & {\n rootPath?: string;\n optional?: boolean;\n createResponse?: (\n context: ImplementsRequestContext,\n content: RawHTML,\n init?: ResponseInit,\n ) => MaybePromise;\n } = {},\n) {\n const middleware = authMiddlewareCookie(options);\n\n return (req: Request) => {\n const data = new Map();\n const context = {\n req,\n set(key, value) {\n return data.set(key, value);\n },\n get(key) {\n return data.get(key);\n },\n };\n\n return middleware(context, () => {\n return handler(req, context);\n });\n };\n}\n\nexport function authWrapperToken(\n handler: (req: Request, context: ImplementsRequestContext) => MaybePromise,\n options: AuthMiddlewareOptions & {\n createResponse?: (\n context: ImplementsRequestContext,\n content: unknown,\n init?: ResponseInit,\n ) => MaybePromise;\n } = {},\n) {\n const middleware = authMiddlewareToken(options);\n\n return (req: Request) => {\n const data = new Map();\n const context = {\n req,\n set(key, value) {\n return data.set(key, value);\n },\n get(key) {\n return data.get(key);\n },\n };\n\n return middleware(context, () => {\n return handler(req, context);\n });\n };\n}\n\nexport function authMiddlewareToken(\n options: Omit, \"requestScope\"> & {\n createResponse?: (context: Context, content: unknown, init?: ResponseInit) => MaybePromise;\n } = {},\n) {\n const { rootVal: { handle, name }, createResponse, verify } = {\n rootVal: rootValRef(),\n createResponse: (context: Context, content: unknown, init: ResponseInit = {}) => {\n return Response.json(content, init);\n },\n ...options,\n };\n\n const HANDLER_NAME = `@${handle}/${name}`;\n\n return async (context: Context, next: () => void) => {\n const req = getRequestContextRequest(context);\n const qs = new URLSearchParams(req.url.split(\"?\")[1]);\n\n const token = req.headers.get(\"Authorization\")?.replace(/^Bearer\\s+/, \"\");\n let payload;\n try {\n payload = token && await 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 } catch (e) {\n console.log(\"auth token validation failed\", e);\n }\n\n if (!payload) {\n return createResponse(context, {\n \"error\": \"invalid Authorization token\",\n }, {\n status: 403,\n });\n }\n\n context.set(\"token\", token);\n context.set(\"auth\", payload);\n\n return next();\n };\n}\n\nexport function authMiddlewareTokenQS(\n options: Omit, \"requestScope\"> & {\n createResponse?: (context: Context, content: unknown, init?: ResponseInit) => MaybePromise;\n } = {},\n) {\n const { rootVal: { handle, name }, createResponse, verify } = {\n rootVal: rootValRef(),\n createResponse: (context: Context, content: unknown, init: ResponseInit = {}) => {\n return Response.json(content, init);\n },\n ...options,\n };\n\n const HANDLER_NAME = `@${handle}/${name}`;\n\n return async (context: Context, next: () => void) => {\n const req = getRequestContextRequest(context);\n const { searchParams } = new URL(req.url);\n\n const token = searchParams.get(\"token\");\n let payload;\n try {\n payload = token && await 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 } catch (e) {\n console.log(\"qs token validation failed\", e);\n }\n\n if (!payload) {\n return createResponse(context, {\n \"error\": \"invalid Authorization token\",\n }, {\n status: 403,\n });\n }\n\n context.set(\"token\", token);\n context.set(\"auth\", payload);\n\n return next();\n };\n}\n\nexport function authMiddlewareCookie(\n options: AuthMiddlewareOptions & {\n rootPath?: string;\n optional?: boolean;\n createResponse?: (context: Context, content: RawHTML, init?: ResponseInit) => MaybePromise;\n } = {},\n) {\n const { rootVal: { handle, name }, title, requestScope, verify, rootPath: _rootPath, optional, createResponse } = {\n rootVal: rootValRef(),\n title: undefined,\n requestScope: [],\n rootPath: \"/\",\n createResponse: (context: Context, content: RawHTML, init: ResponseInit = {}) => {\n const _title = `${title ?? HANDLER_NAME} - Sign In`;\n return new Response(\n Layout({\n title,\n }, {\n default() {\n return html`\n

${_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: 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Diff · v1