{"version":3,"sources":["../../../src/adapters/azure/http-trigger-v4.adapter.ts"],"sourcesContent":["//#region Imports\n\nimport { URL } from 'node:url';\nimport type {\n Context,\n Cookie,\n HttpRequest,\n HttpResponseSimple,\n} from '@azure/functions';\nimport type { BothValueHeaders } from '../../@types';\nimport type {\n AdapterContract,\n AdapterRequest,\n GetResponseAdapterProps,\n OnErrorProps,\n} from '../../contracts';\nimport {\n getDefaultIfUndefined,\n getEventBodyAsBuffer,\n getFlattenedHeadersMap,\n getPathWithQueryStringParams,\n} from '../../core';\n\n//#endregion\n\n/**\n * The options to customize the {@link HttpTriggerV4Adapter}\n *\n * @breadcrumb Adapters / Azure / HttpTriggerV4Adapter\n * @public\n */\nexport interface HttpTriggerV4AdapterOptions {\n /**\n * Strip base path for custom domains\n *\n * @defaultValue ''\n */\n stripBasePath?: string;\n}\n\n/**\n * The adapter to handle requests from Http Trigger on Azure Function V4.\n *\n * @example\n * ```typescript\n * const stripBasePath = '/any/custom/base/path'; // default ''\n * const adapter = new HttpTriggerV4Adapter({ stripBasePath });\n * ```\n *\n * @see {@link https://docs.microsoft.com/en-us/azure/azure-functions/functions-reference-node | Reference}\n *\n * @breadcrumb Adapters / Azure / HttpTriggerV4Adapter\n * @public\n */\nexport class HttpTriggerV4Adapter\n implements AdapterContract\n{\n //#region Constructor\n\n /**\n * Default constructor\n *\n * @param options - The options to customize the {@link HttpTriggerV4Adapter}\n */\n constructor(protected readonly options?: HttpTriggerV4AdapterOptions) {}\n\n //#endregion\n\n //#region Public Methods\n\n /**\n * {@inheritDoc}\n */\n public getAdapterName(): string {\n return HttpTriggerV4Adapter.name;\n }\n\n /**\n * {@inheritDoc}\n */\n public canHandle(event: unknown, context: unknown): boolean {\n const maybeEvent = event as Partial | undefined;\n const maybeContext = context as Partial | undefined;\n\n return !!(\n maybeEvent &&\n maybeEvent.method &&\n maybeEvent.headers &&\n maybeEvent.url &&\n maybeEvent.query &&\n maybeContext &&\n maybeContext.traceContext &&\n maybeContext.bindingDefinitions &&\n maybeContext.log &&\n !!maybeContext.log.info &&\n maybeContext.bindingData\n );\n }\n\n /**\n * {@inheritDoc}\n */\n public getRequest(event: HttpRequest): AdapterRequest {\n const path = this.getPathFromEvent(event);\n\n const method = event.method!;\n const headers = getFlattenedHeadersMap(event.headers, ',', true);\n\n let body: Buffer | undefined;\n\n if (event.body) {\n const [bufferBody, contentLength] = getEventBodyAsBuffer(\n event.rawBody,\n false,\n );\n\n body = bufferBody;\n headers['content-length'] = String(contentLength);\n }\n\n const remoteAddress = headers['x-forwarded-for'];\n\n return {\n method,\n path,\n headers,\n remoteAddress,\n body,\n };\n }\n\n /**\n * {@inheritDoc}\n */\n public getResponse({\n body,\n statusCode,\n headers: originalHeaders,\n }: GetResponseAdapterProps): HttpResponseSimple {\n const headers = getFlattenedHeadersMap(originalHeaders, ',', true);\n const cookies = this.getAzureCookiesFromHeaders(originalHeaders);\n\n if (headers['set-cookie']) delete headers['set-cookie'];\n\n return {\n body,\n statusCode,\n headers,\n // I tried to understand this property with\n // https://docs.microsoft.com/en-us/aspnet/web-api/overview/formats-and-model-binding/content-negotiation\n // but I don't know if it's worth implementing this guy as an option\n // I found out when this guy is set to true and the framework sets content-type, azure returns 500\n // So I'll leave it as is and hope no one has any problems.\n enableContentNegotiation: false,\n cookies,\n };\n }\n\n /**\n * {@inheritDoc}\n */\n public onErrorWhileForwarding({\n error,\n respondWithErrors,\n event,\n delegatedResolver,\n log,\n }: OnErrorProps): void {\n const body = respondWithErrors ? error.stack : '';\n const errorResponse = this.getResponse({\n event,\n statusCode: 500,\n body: body || '',\n headers: {},\n isBase64Encoded: false,\n log,\n });\n\n delegatedResolver.succeed(errorResponse);\n }\n\n //#endregion\n\n //#region Protected Methods\n\n /**\n * Get path from event with query strings\n *\n * @param event - The event sent by serverless\n */\n protected getPathFromEvent(event: HttpRequest): string {\n const stripBasePath = getDefaultIfUndefined(\n this.options?.stripBasePath,\n '',\n );\n\n const url = new URL(event.url);\n const originalPath = url.pathname;\n\n const replaceRegex = new RegExp(`^${stripBasePath}`);\n const path = originalPath.replace(replaceRegex, '');\n\n const queryParams = event.query;\n\n return getPathWithQueryStringParams(path, queryParams);\n }\n\n /**\n * Get the Azure Cookie list parsed from set-cookie header.\n *\n * @param headers - The headers object\n */\n protected getAzureCookiesFromHeaders(headers: BothValueHeaders): Cookie[] {\n const setCookie = headers['set-cookie'];\n\n const headerCookies = Array.isArray(setCookie)\n ? setCookie\n : setCookie\n ? [setCookie]\n : [];\n\n return headerCookies.map(cookie => this.parseCookie(cookie));\n }\n\n /**\n * Parse the string cookie to the Azure Cookie Object.\n * This code was written by {@link https://github.com/zachabney | @zachabney}\n * on {@link https://github.com/zachabney/azure-aws-serverless-express/blob/241d2d5c4d5906e4817662cad6426ec2cbbf9ca7/src/index.js#L4-L49 | this library}.\n *\n * @param cookie - The cookie\n */\n protected parseCookie(cookie: string): Cookie {\n return cookie.split(';').reduce(\n (azureCookieObject, cookieProperty, index) => {\n const [key, value] = cookieProperty.split('=');\n\n const sanitizedKey = key.toLowerCase().trim();\n const sanitizedValue = value && value.trim();\n\n if (index === 0) {\n azureCookieObject.name = key;\n azureCookieObject.value = sanitizedValue;\n\n return azureCookieObject;\n }\n\n switch (sanitizedKey) {\n case 'domain':\n azureCookieObject.domain = sanitizedValue;\n break;\n case 'path':\n azureCookieObject.path = sanitizedValue;\n break;\n case 'expires':\n azureCookieObject.expires = new Date(sanitizedValue);\n break;\n case 'secure':\n azureCookieObject.secure = true;\n break;\n case 'httponly':\n azureCookieObject.httpOnly = true;\n break;\n case 'samesite':\n azureCookieObject.sameSite = sanitizedValue as Cookie['sameSite'];\n break;\n case 'max-age':\n azureCookieObject.maxAge = Number(sanitizedValue);\n break;\n }\n\n return azureCookieObject;\n },\n { name: '', value: '' } as Cookie,\n );\n }\n\n //#endregion\n}\n"],"mappings":"+GAEA,OAAS,OAAAA,MAAW,WAoDb,IAAMC,EAAN,MAAMC,CAEb,CAQE,YAA+BC,EAAuC,CAAvC,aAAAA,CAAwC,CAhEzE,MAwDA,CAAAC,EAAA,6BAiBS,gBAAyB,CAC9B,OAAOF,EAAqB,IAC9B,CAKO,UAAUG,EAAgBC,EAA2B,CAC1D,IAAMC,EAAaF,EACbG,EAAeF,EAErB,MAAO,CAAC,EACNC,GACAA,EAAW,QACXA,EAAW,SACXA,EAAW,KACXA,EAAW,OACXC,GACAA,EAAa,cACbA,EAAa,oBACbA,EAAa,KACXA,EAAa,IAAI,MACnBA,EAAa,YAEjB,CAKO,WAAWH,EAAoC,CACpD,IAAMI,EAAO,KAAK,iBAAiBJ,CAAK,EAElCK,EAASL,EAAM,OACfM,EAAUC,EAAuBP,EAAM,QAAS,IAAK,EAAI,EAE3DQ,EAEJ,GAAIR,EAAM,KAAM,CACd,GAAM,CAACS,EAAYC,CAAa,EAAIC,EAClCX,EAAM,QACN,EACF,EAEAQ,EAAOC,EACPH,EAAQ,gBAAgB,EAAI,OAAOI,CAAa,CAClD,CAEA,IAAME,EAAgBN,EAAQ,iBAAiB,EAE/C,MAAO,CACL,OAAAD,EACA,KAAAD,EACA,QAAAE,EACA,cAAAM,EACA,KAAAJ,CACF,CACF,CAKO,YAAY,CACjB,KAAAA,EACA,WAAAK,EACA,QAASC,CACX,EAA6D,CAC3D,IAAMR,EAAUC,EAAuBO,EAAiB,IAAK,EAAI,EAC3DC,EAAU,KAAK,2BAA2BD,CAAe,EAE/D,OAAIR,EAAQ,YAAY,GAAG,OAAOA,EAAQ,YAAY,EAE/C,CACL,KAAAE,EACA,WAAAK,EACA,QAAAP,EAMA,yBAA0B,GAC1B,QAAAS,CACF,CACF,CAKO,uBAAuB,CAC5B,MAAAC,EACA,kBAAAC,EACA,MAAAjB,EACA,kBAAAkB,EACA,IAAAC,CACF,EAAwD,CACtD,IAAMX,EAAOS,EAAoBD,EAAM,MAAQ,GACzCI,EAAgB,KAAK,YAAY,CACrC,MAAApB,EACA,WAAY,IACZ,KAAMQ,GAAQ,GACd,QAAS,CAAC,EACV,gBAAiB,GACjB,IAAAW,CACF,CAAC,EAEDD,EAAkB,QAAQE,CAAa,CACzC,CAWU,iBAAiBpB,EAA4B,CACrD,IAAMqB,EAAgBC,EACpB,KAAK,SAAS,cACd,EACF,EAGMC,EADM,IAAIC,EAAIxB,EAAM,GAAG,EACJ,SAEnByB,EAAe,IAAI,OAAO,IAAIJ,CAAa,EAAE,EAC7CjB,EAAOmB,EAAa,QAAQE,EAAc,EAAE,EAE5CC,EAAc1B,EAAM,MAE1B,OAAO2B,EAA6BvB,EAAMsB,CAAW,CACvD,CAOU,2BAA2BpB,EAAqC,CACxE,IAAMsB,EAAYtB,EAAQ,YAAY,EAQtC,OANsB,MAAM,QAAQsB,CAAS,EACzCA,EACAA,EACE,CAACA,CAAS,EACV,CAAC,GAEc,IAAIC,GAAU,KAAK,YAAYA,CAAM,CAAC,CAC7D,CASU,YAAYA,EAAwB,CAC5C,OAAOA,EAAO,MAAM,GAAG,EAAE,OACvB,CAACC,EAAmBC,EAAgBC,IAAU,CAC5C,GAAM,CAACC,EAAKC,CAAK,EAAIH,EAAe,MAAM,GAAG,EAEvCI,EAAeF,EAAI,YAAY,EAAE,KAAK,EACtCG,EAAiBF,GAASA,EAAM,KAAK,EAE3C,GAAIF,IAAU,EACZ,OAAAF,EAAkB,KAAOG,EACzBH,EAAkB,MAAQM,EAEnBN,EAGT,OAAQK,EAAc,CACpB,IAAK,SACHL,EAAkB,OAASM,EAC3B,MACF,IAAK,OACHN,EAAkB,KAAOM,EACzB,MACF,IAAK,UACHN,EAAkB,QAAU,IAAI,KAAKM,CAAc,EACnD,MACF,IAAK,SACHN,EAAkB,OAAS,GAC3B,MACF,IAAK,WACHA,EAAkB,SAAW,GAC7B,MACF,IAAK,WACHA,EAAkB,SAAWM,EAC7B,MACF,IAAK,UACHN,EAAkB,OAAS,OAAOM,CAAc,EAChD,KACJ,CAEA,OAAON,CACT,EACA,CAAE,KAAM,GAAI,MAAO,EAAG,CACxB,CACF,CAGF","names":["URL","HttpTriggerV4Adapter","_HttpTriggerV4Adapter","options","__name","event","context","maybeEvent","maybeContext","path","method","headers","getFlattenedHeadersMap","body","bufferBody","contentLength","getEventBodyAsBuffer","remoteAddress","statusCode","originalHeaders","cookies","error","respondWithErrors","delegatedResolver","log","errorResponse","stripBasePath","getDefaultIfUndefined","originalPath","URL","replaceRegex","queryParams","getPathWithQueryStringParams","setCookie","cookie","azureCookieObject","cookieProperty","index","key","value","sanitizedKey","sanitizedValue"]}