初始化环境文件

This commit is contained in:
CN-JS-HuiBai
2026-04-04 12:49:09 +08:00
parent 07742d2688
commit c607af6fac
5971 changed files with 515160 additions and 18 deletions

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import { SMITHY_CONTEXT_KEY } from "@smithy/types";
export const getSmithyContext = (context) => context[SMITHY_CONTEXT_KEY] || (context[SMITHY_CONTEXT_KEY] = {});

8
node_modules/@smithy/core/dist-es/index.js generated vendored Normal file
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export * from "./getSmithyContext";
export * from "./middleware-http-auth-scheme";
export * from "./middleware-http-signing";
export * from "./normalizeProvider";
export { createPaginator } from "./pagination/createPaginator";
export * from "./request-builder/requestBuilder";
export * from "./setFeature";
export * from "./util-identity-and-auth";

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import { httpAuthSchemeMiddleware } from "./httpAuthSchemeMiddleware";
export const httpAuthSchemeEndpointRuleSetMiddlewareOptions = {
step: "serialize",
tags: ["HTTP_AUTH_SCHEME"],
name: "httpAuthSchemeMiddleware",
override: true,
relation: "before",
toMiddleware: "endpointV2Middleware",
};
export const getHttpAuthSchemeEndpointRuleSetPlugin = (config, { httpAuthSchemeParametersProvider, identityProviderConfigProvider, }) => ({
applyToStack: (clientStack) => {
clientStack.addRelativeTo(httpAuthSchemeMiddleware(config, {
httpAuthSchemeParametersProvider,
identityProviderConfigProvider,
}), httpAuthSchemeEndpointRuleSetMiddlewareOptions);
},
});

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import { httpAuthSchemeMiddleware } from "./httpAuthSchemeMiddleware";
export const httpAuthSchemeMiddlewareOptions = {
step: "serialize",
tags: ["HTTP_AUTH_SCHEME"],
name: "httpAuthSchemeMiddleware",
override: true,
relation: "before",
toMiddleware: "serializerMiddleware",
};
export const getHttpAuthSchemePlugin = (config, { httpAuthSchemeParametersProvider, identityProviderConfigProvider, }) => ({
applyToStack: (clientStack) => {
clientStack.addRelativeTo(httpAuthSchemeMiddleware(config, {
httpAuthSchemeParametersProvider,
identityProviderConfigProvider,
}), httpAuthSchemeMiddlewareOptions);
},
});

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import { getSmithyContext } from "@smithy/util-middleware";
import { resolveAuthOptions } from "./resolveAuthOptions";
function convertHttpAuthSchemesToMap(httpAuthSchemes) {
const map = new Map();
for (const scheme of httpAuthSchemes) {
map.set(scheme.schemeId, scheme);
}
return map;
}
export const httpAuthSchemeMiddleware = (config, mwOptions) => (next, context) => async (args) => {
const options = config.httpAuthSchemeProvider(await mwOptions.httpAuthSchemeParametersProvider(config, context, args.input));
const authSchemePreference = config.authSchemePreference ? await config.authSchemePreference() : [];
const resolvedOptions = resolveAuthOptions(options, authSchemePreference);
const authSchemes = convertHttpAuthSchemesToMap(config.httpAuthSchemes);
const smithyContext = getSmithyContext(context);
const failureReasons = [];
for (const option of resolvedOptions) {
const scheme = authSchemes.get(option.schemeId);
if (!scheme) {
failureReasons.push(`HttpAuthScheme \`${option.schemeId}\` was not enabled for this service.`);
continue;
}
const identityProvider = scheme.identityProvider(await mwOptions.identityProviderConfigProvider(config));
if (!identityProvider) {
failureReasons.push(`HttpAuthScheme \`${option.schemeId}\` did not have an IdentityProvider configured.`);
continue;
}
const { identityProperties = {}, signingProperties = {} } = option.propertiesExtractor?.(config, context) || {};
option.identityProperties = Object.assign(option.identityProperties || {}, identityProperties);
option.signingProperties = Object.assign(option.signingProperties || {}, signingProperties);
smithyContext.selectedHttpAuthScheme = {
httpAuthOption: option,
identity: await identityProvider(option.identityProperties),
signer: scheme.signer,
};
break;
}
if (!smithyContext.selectedHttpAuthScheme) {
throw new Error(failureReasons.join("\n"));
}
return next(args);
};

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export * from "./httpAuthSchemeMiddleware";
export * from "./getHttpAuthSchemeEndpointRuleSetPlugin";
export * from "./getHttpAuthSchemePlugin";

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export const resolveAuthOptions = (candidateAuthOptions, authSchemePreference) => {
if (!authSchemePreference || authSchemePreference.length === 0) {
return candidateAuthOptions;
}
const preferredAuthOptions = [];
for (const preferredSchemeName of authSchemePreference) {
for (const candidateAuthOption of candidateAuthOptions) {
const candidateAuthSchemeName = candidateAuthOption.schemeId.split("#")[1];
if (candidateAuthSchemeName === preferredSchemeName) {
preferredAuthOptions.push(candidateAuthOption);
}
}
}
for (const candidateAuthOption of candidateAuthOptions) {
if (!preferredAuthOptions.find(({ schemeId }) => schemeId === candidateAuthOption.schemeId)) {
preferredAuthOptions.push(candidateAuthOption);
}
}
return preferredAuthOptions;
};

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import { httpSigningMiddleware } from "./httpSigningMiddleware";
export const httpSigningMiddlewareOptions = {
step: "finalizeRequest",
tags: ["HTTP_SIGNING"],
name: "httpSigningMiddleware",
aliases: ["apiKeyMiddleware", "tokenMiddleware", "awsAuthMiddleware"],
override: true,
relation: "after",
toMiddleware: "retryMiddleware",
};
export const getHttpSigningPlugin = (config) => ({
applyToStack: (clientStack) => {
clientStack.addRelativeTo(httpSigningMiddleware(config), httpSigningMiddlewareOptions);
},
});

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import { HttpRequest } from "@smithy/protocol-http";
import { getSmithyContext } from "@smithy/util-middleware";
const defaultErrorHandler = (signingProperties) => (error) => {
throw error;
};
const defaultSuccessHandler = (httpResponse, signingProperties) => { };
export const httpSigningMiddleware = (config) => (next, context) => async (args) => {
if (!HttpRequest.isInstance(args.request)) {
return next(args);
}
const smithyContext = getSmithyContext(context);
const scheme = smithyContext.selectedHttpAuthScheme;
if (!scheme) {
throw new Error(`No HttpAuthScheme was selected: unable to sign request`);
}
const { httpAuthOption: { signingProperties = {} }, identity, signer, } = scheme;
const output = await next({
...args,
request: await signer.sign(args.request, identity, signingProperties),
}).catch((signer.errorHandler || defaultErrorHandler)(signingProperties));
(signer.successHandler || defaultSuccessHandler)(output.response, signingProperties);
return output;
};

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export * from "./httpSigningMiddleware";
export * from "./getHttpSigningMiddleware";

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export const normalizeProvider = (input) => {
if (typeof input === "function")
return input;
const promisified = Promise.resolve(input);
return () => promisified;
};

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const makePagedClientRequest = async (CommandCtor, client, input, withCommand = (_) => _, ...args) => {
let command = new CommandCtor(input);
command = withCommand(command) ?? command;
return await client.send(command, ...args);
};
export function createPaginator(ClientCtor, CommandCtor, inputTokenName, outputTokenName, pageSizeTokenName) {
return async function* paginateOperation(config, input, ...additionalArguments) {
const _input = input;
let token = config.startingToken ?? _input[inputTokenName];
let hasNext = true;
let page;
while (hasNext) {
_input[inputTokenName] = token;
if (pageSizeTokenName) {
_input[pageSizeTokenName] = _input[pageSizeTokenName] ?? config.pageSize;
}
if (config.client instanceof ClientCtor) {
page = await makePagedClientRequest(CommandCtor, config.client, input, config.withCommand, ...additionalArguments);
}
else {
throw new Error(`Invalid client, expected instance of ${ClientCtor.name}`);
}
yield page;
const prevToken = token;
token = get(page, outputTokenName);
hasNext = !!(token && (!config.stopOnSameToken || token !== prevToken));
}
return undefined;
};
}
const get = (fromObject, path) => {
let cursor = fromObject;
const pathComponents = path.split(".");
for (const step of pathComponents) {
if (!cursor || typeof cursor !== "object") {
return undefined;
}
cursor = cursor[step];
}
return cursor;
};

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export { requestBuilder } from "@smithy/core/protocols";

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node_modules/@smithy/core/dist-es/setFeature.js generated vendored Normal file
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export function setFeature(context, feature, value) {
if (!context.__smithy_context) {
context.__smithy_context = {
features: {},
};
}
else if (!context.__smithy_context.features) {
context.__smithy_context.features = {};
}
context.__smithy_context.features[feature] = value;
}

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import { SerdeContext } from "@smithy/core/protocols";
import { NormalizedSchema } from "@smithy/core/schema";
import { _parseEpochTimestamp, generateIdempotencyToken } from "@smithy/core/serde";
import { NumericValue } from "@smithy/core/serde";
import { fromBase64 } from "@smithy/util-base64";
import { cbor } from "./cbor";
import { dateToTag } from "./parseCborBody";
export class CborCodec extends SerdeContext {
createSerializer() {
const serializer = new CborShapeSerializer();
serializer.setSerdeContext(this.serdeContext);
return serializer;
}
createDeserializer() {
const deserializer = new CborShapeDeserializer();
deserializer.setSerdeContext(this.serdeContext);
return deserializer;
}
}
export class CborShapeSerializer extends SerdeContext {
value;
write(schema, value) {
this.value = this.serialize(schema, value);
}
serialize(schema, source) {
const ns = NormalizedSchema.of(schema);
if (source == null) {
if (ns.isIdempotencyToken()) {
return generateIdempotencyToken();
}
return source;
}
if (ns.isBlobSchema()) {
if (typeof source === "string") {
return (this.serdeContext?.base64Decoder ?? fromBase64)(source);
}
return source;
}
if (ns.isTimestampSchema()) {
if (typeof source === "number" || typeof source === "bigint") {
return dateToTag(new Date((Number(source) / 1000) | 0));
}
return dateToTag(source);
}
if (typeof source === "function" || typeof source === "object") {
const sourceObject = source;
if (ns.isListSchema() && Array.isArray(sourceObject)) {
const sparse = !!ns.getMergedTraits().sparse;
const newArray = [];
let i = 0;
for (const item of sourceObject) {
const value = this.serialize(ns.getValueSchema(), item);
if (value != null || sparse) {
newArray[i++] = value;
}
}
return newArray;
}
if (sourceObject instanceof Date) {
return dateToTag(sourceObject);
}
const newObject = {};
if (ns.isMapSchema()) {
const sparse = !!ns.getMergedTraits().sparse;
for (const key of Object.keys(sourceObject)) {
const value = this.serialize(ns.getValueSchema(), sourceObject[key]);
if (value != null || sparse) {
newObject[key] = value;
}
}
}
else if (ns.isStructSchema()) {
for (const [key, memberSchema] of ns.structIterator()) {
const value = this.serialize(memberSchema, sourceObject[key]);
if (value != null) {
newObject[key] = value;
}
}
const isUnion = ns.isUnionSchema();
if (isUnion && Array.isArray(sourceObject.$unknown)) {
const [k, v] = sourceObject.$unknown;
newObject[k] = v;
}
else if (typeof sourceObject.__type === "string") {
for (const [k, v] of Object.entries(sourceObject)) {
if (!(k in newObject)) {
newObject[k] = this.serialize(15, v);
}
}
}
}
else if (ns.isDocumentSchema()) {
for (const key of Object.keys(sourceObject)) {
newObject[key] = this.serialize(ns.getValueSchema(), sourceObject[key]);
}
}
else if (ns.isBigDecimalSchema()) {
return sourceObject;
}
return newObject;
}
return source;
}
flush() {
const buffer = cbor.serialize(this.value);
this.value = undefined;
return buffer;
}
}
export class CborShapeDeserializer extends SerdeContext {
read(schema, bytes) {
const data = cbor.deserialize(bytes);
return this.readValue(schema, data);
}
readValue(_schema, value) {
const ns = NormalizedSchema.of(_schema);
if (ns.isTimestampSchema()) {
if (typeof value === "number") {
return _parseEpochTimestamp(value);
}
if (typeof value === "object") {
if (value.tag === 1 && "value" in value) {
return _parseEpochTimestamp(value.value);
}
}
}
if (ns.isBlobSchema()) {
if (typeof value === "string") {
return (this.serdeContext?.base64Decoder ?? fromBase64)(value);
}
return value;
}
if (typeof value === "undefined" ||
typeof value === "boolean" ||
typeof value === "number" ||
typeof value === "string" ||
typeof value === "bigint" ||
typeof value === "symbol") {
return value;
}
else if (typeof value === "object") {
if (value === null) {
return null;
}
if ("byteLength" in value) {
return value;
}
if (value instanceof Date) {
return value;
}
if (ns.isDocumentSchema()) {
return value;
}
if (ns.isListSchema()) {
const newArray = [];
const memberSchema = ns.getValueSchema();
for (const item of value) {
const itemValue = this.readValue(memberSchema, item);
newArray.push(itemValue);
}
return newArray;
}
const newObject = {};
if (ns.isMapSchema()) {
const targetSchema = ns.getValueSchema();
for (const key of Object.keys(value)) {
const itemValue = this.readValue(targetSchema, value[key]);
newObject[key] = itemValue;
}
}
else if (ns.isStructSchema()) {
const isUnion = ns.isUnionSchema();
let keys;
if (isUnion) {
keys = new Set(Object.keys(value).filter((k) => k !== "__type"));
}
for (const [key, memberSchema] of ns.structIterator()) {
if (isUnion) {
keys.delete(key);
}
if (value[key] != null) {
newObject[key] = this.readValue(memberSchema, value[key]);
}
}
if (isUnion && keys?.size === 1 && Object.keys(newObject).length === 0) {
const k = keys.values().next().value;
newObject.$unknown = [k, value[k]];
}
else if (typeof value.__type === "string") {
for (const [k, v] of Object.entries(value)) {
if (!(k in newObject)) {
newObject[k] = v;
}
}
}
}
else if (value instanceof NumericValue) {
return value;
}
return newObject;
}
else {
return value;
}
}
}

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import { RpcProtocol } from "@smithy/core/protocols";
import { TypeRegistry } from "@smithy/core/schema";
import { deref, NormalizedSchema } from "@smithy/core/schema";
import { getSmithyContext } from "@smithy/util-middleware";
import { CborCodec } from "./CborCodec";
import { loadSmithyRpcV2CborErrorCode } from "./parseCborBody";
export class SmithyRpcV2CborProtocol extends RpcProtocol {
codec = new CborCodec();
serializer = this.codec.createSerializer();
deserializer = this.codec.createDeserializer();
constructor({ defaultNamespace, errorTypeRegistries, }) {
super({ defaultNamespace, errorTypeRegistries });
}
getShapeId() {
return "smithy.protocols#rpcv2Cbor";
}
getPayloadCodec() {
return this.codec;
}
async serializeRequest(operationSchema, input, context) {
const request = await super.serializeRequest(operationSchema, input, context);
Object.assign(request.headers, {
"content-type": this.getDefaultContentType(),
"smithy-protocol": "rpc-v2-cbor",
accept: this.getDefaultContentType(),
});
if (deref(operationSchema.input) === "unit") {
delete request.body;
delete request.headers["content-type"];
}
else {
if (!request.body) {
this.serializer.write(15, {});
request.body = this.serializer.flush();
}
try {
request.headers["content-length"] = String(request.body.byteLength);
}
catch (e) { }
}
const { service, operation } = getSmithyContext(context);
const path = `/service/${service}/operation/${operation}`;
if (request.path.endsWith("/")) {
request.path += path.slice(1);
}
else {
request.path += path;
}
return request;
}
async deserializeResponse(operationSchema, context, response) {
return super.deserializeResponse(operationSchema, context, response);
}
async handleError(operationSchema, context, response, dataObject, metadata) {
const errorName = loadSmithyRpcV2CborErrorCode(response, dataObject) ?? "Unknown";
const errorMetadata = {
$metadata: metadata,
$fault: response.statusCode <= 500 ? "client" : "server",
};
let namespace = this.options.defaultNamespace;
if (errorName.includes("#")) {
[namespace] = errorName.split("#");
}
const registry = this.compositeErrorRegistry;
const nsRegistry = TypeRegistry.for(namespace);
registry.copyFrom(nsRegistry);
let errorSchema;
try {
errorSchema = registry.getSchema(errorName);
}
catch (e) {
if (dataObject.Message) {
dataObject.message = dataObject.Message;
}
const syntheticRegistry = TypeRegistry.for("smithy.ts.sdk.synthetic." + namespace);
registry.copyFrom(syntheticRegistry);
const baseExceptionSchema = registry.getBaseException();
if (baseExceptionSchema) {
const ErrorCtor = registry.getErrorCtor(baseExceptionSchema);
throw Object.assign(new ErrorCtor({ name: errorName }), errorMetadata, dataObject);
}
throw Object.assign(new Error(errorName), errorMetadata, dataObject);
}
const ns = NormalizedSchema.of(errorSchema);
const ErrorCtor = registry.getErrorCtor(errorSchema);
const message = dataObject.message ?? dataObject.Message ?? "Unknown";
const exception = new ErrorCtor(message);
const output = {};
for (const [name, member] of ns.structIterator()) {
output[name] = this.deserializer.readValue(member, dataObject[name]);
}
throw Object.assign(exception, errorMetadata, {
$fault: ns.getMergedTraits().error,
message,
}, output);
}
getDefaultContentType() {
return "application/cbor";
}
}

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export function printBytes(bytes) {
return [...bytes].map((n) => {
const pad = (num) => ("0".repeat(8) + num.toString(2)).slice(-8);
const b = pad(n);
const [maj, min] = [b.slice(0, 3), b.slice(3)];
let dmaj = "";
switch (maj) {
case "000":
dmaj = "0 - Uint64";
break;
case "001":
dmaj = "1 - Neg Uint64";
break;
case "010":
dmaj = "2 - unstructured bytestring";
break;
case "011":
dmaj = "3 - utf8 string";
break;
case "100":
dmaj = "4 - list";
break;
case "101":
dmaj = "5 - map";
break;
case "110":
dmaj = "6 - tag";
break;
case "111":
dmaj = "7 - special";
break;
default:
dmaj = String(parseInt(maj, 2));
}
return `${maj}_${min} (${dmaj}, ${parseInt(min, 2)})`;
});
}

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import { nv } from "@smithy/core/serde";
import { toUtf8 } from "@smithy/util-utf8";
import { alloc, extendedFloat16, extendedFloat32, extendedFloat64, extendedOneByte, majorList, majorMap, majorNegativeInt64, majorTag, majorUint64, majorUnstructuredByteString, majorUtf8String, minorIndefinite, specialFalse, specialNull, specialTrue, specialUndefined, tag, } from "./cbor-types";
const USE_TEXT_DECODER = typeof TextDecoder !== "undefined";
const USE_BUFFER = typeof Buffer !== "undefined";
let payload = alloc(0);
let dataView = new DataView(payload.buffer, payload.byteOffset, payload.byteLength);
const textDecoder = USE_TEXT_DECODER ? new TextDecoder() : null;
let _offset = 0;
export function setPayload(bytes) {
payload = bytes;
dataView = new DataView(payload.buffer, payload.byteOffset, payload.byteLength);
}
export function decode(at, to) {
if (at >= to) {
throw new Error("unexpected end of (decode) payload.");
}
const major = (payload[at] & 0b1110_0000) >> 5;
const minor = payload[at] & 0b0001_1111;
switch (major) {
case majorUint64:
case majorNegativeInt64:
case majorTag:
let unsignedInt;
let offset;
if (minor < 24) {
unsignedInt = minor;
offset = 1;
}
else {
switch (minor) {
case extendedOneByte:
case extendedFloat16:
case extendedFloat32:
case extendedFloat64:
const countLength = minorValueToArgumentLength[minor];
const countOffset = (countLength + 1);
offset = countOffset;
if (to - at < countOffset) {
throw new Error(`countLength ${countLength} greater than remaining buf len.`);
}
const countIndex = at + 1;
if (countLength === 1) {
unsignedInt = payload[countIndex];
}
else if (countLength === 2) {
unsignedInt = dataView.getUint16(countIndex);
}
else if (countLength === 4) {
unsignedInt = dataView.getUint32(countIndex);
}
else {
unsignedInt = dataView.getBigUint64(countIndex);
}
break;
default:
throw new Error(`unexpected minor value ${minor}.`);
}
}
if (major === majorUint64) {
_offset = offset;
return castBigInt(unsignedInt);
}
else if (major === majorNegativeInt64) {
let negativeInt;
if (typeof unsignedInt === "bigint") {
negativeInt = BigInt(-1) - unsignedInt;
}
else {
negativeInt = -1 - unsignedInt;
}
_offset = offset;
return castBigInt(negativeInt);
}
else {
if (minor === 2 || minor === 3) {
const length = decodeCount(at + offset, to);
let b = BigInt(0);
const start = at + offset + _offset;
for (let i = start; i < start + length; ++i) {
b = (b << BigInt(8)) | BigInt(payload[i]);
}
_offset = offset + _offset + length;
return minor === 3 ? -b - BigInt(1) : b;
}
else if (minor === 4) {
const decimalFraction = decode(at + offset, to);
const [exponent, mantissa] = decimalFraction;
const normalizer = mantissa < 0 ? -1 : 1;
const mantissaStr = "0".repeat(Math.abs(exponent) + 1) + String(BigInt(normalizer) * BigInt(mantissa));
let numericString;
const sign = mantissa < 0 ? "-" : "";
numericString =
exponent === 0
? mantissaStr
: mantissaStr.slice(0, mantissaStr.length + exponent) + "." + mantissaStr.slice(exponent);
numericString = numericString.replace(/^0+/g, "");
if (numericString === "") {
numericString = "0";
}
if (numericString[0] === ".") {
numericString = "0" + numericString;
}
numericString = sign + numericString;
_offset = offset + _offset;
return nv(numericString);
}
else {
const value = decode(at + offset, to);
const valueOffset = _offset;
_offset = offset + valueOffset;
return tag({ tag: castBigInt(unsignedInt), value });
}
}
case majorUtf8String:
case majorMap:
case majorList:
case majorUnstructuredByteString:
if (minor === minorIndefinite) {
switch (major) {
case majorUtf8String:
return decodeUtf8StringIndefinite(at, to);
case majorMap:
return decodeMapIndefinite(at, to);
case majorList:
return decodeListIndefinite(at, to);
case majorUnstructuredByteString:
return decodeUnstructuredByteStringIndefinite(at, to);
}
}
else {
switch (major) {
case majorUtf8String:
return decodeUtf8String(at, to);
case majorMap:
return decodeMap(at, to);
case majorList:
return decodeList(at, to);
case majorUnstructuredByteString:
return decodeUnstructuredByteString(at, to);
}
}
default:
return decodeSpecial(at, to);
}
}
function bytesToUtf8(bytes, at, to) {
if (USE_BUFFER && bytes.constructor?.name === "Buffer") {
return bytes.toString("utf-8", at, to);
}
if (textDecoder) {
return textDecoder.decode(bytes.subarray(at, to));
}
return toUtf8(bytes.subarray(at, to));
}
function demote(bigInteger) {
const num = Number(bigInteger);
if (num < Number.MIN_SAFE_INTEGER || Number.MAX_SAFE_INTEGER < num) {
console.warn(new Error(`@smithy/core/cbor - truncating BigInt(${bigInteger}) to ${num} with loss of precision.`));
}
return num;
}
const minorValueToArgumentLength = {
[extendedOneByte]: 1,
[extendedFloat16]: 2,
[extendedFloat32]: 4,
[extendedFloat64]: 8,
};
export function bytesToFloat16(a, b) {
const sign = a >> 7;
const exponent = (a & 0b0111_1100) >> 2;
const fraction = ((a & 0b0000_0011) << 8) | b;
const scalar = sign === 0 ? 1 : -1;
let exponentComponent;
let summation;
if (exponent === 0b00000) {
if (fraction === 0b00000_00000) {
return 0;
}
else {
exponentComponent = Math.pow(2, 1 - 15);
summation = 0;
}
}
else if (exponent === 0b11111) {
if (fraction === 0b00000_00000) {
return scalar * Infinity;
}
else {
return NaN;
}
}
else {
exponentComponent = Math.pow(2, exponent - 15);
summation = 1;
}
summation += fraction / 1024;
return scalar * (exponentComponent * summation);
}
function decodeCount(at, to) {
const minor = payload[at] & 0b0001_1111;
if (minor < 24) {
_offset = 1;
return minor;
}
if (minor === extendedOneByte ||
minor === extendedFloat16 ||
minor === extendedFloat32 ||
minor === extendedFloat64) {
const countLength = minorValueToArgumentLength[minor];
_offset = (countLength + 1);
if (to - at < _offset) {
throw new Error(`countLength ${countLength} greater than remaining buf len.`);
}
const countIndex = at + 1;
if (countLength === 1) {
return payload[countIndex];
}
else if (countLength === 2) {
return dataView.getUint16(countIndex);
}
else if (countLength === 4) {
return dataView.getUint32(countIndex);
}
return demote(dataView.getBigUint64(countIndex));
}
throw new Error(`unexpected minor value ${minor}.`);
}
function decodeUtf8String(at, to) {
const length = decodeCount(at, to);
const offset = _offset;
at += offset;
if (to - at < length) {
throw new Error(`string len ${length} greater than remaining buf len.`);
}
const value = bytesToUtf8(payload, at, at + length);
_offset = offset + length;
return value;
}
function decodeUtf8StringIndefinite(at, to) {
at += 1;
const vector = [];
for (const base = at; at < to;) {
if (payload[at] === 0b1111_1111) {
const data = alloc(vector.length);
data.set(vector, 0);
_offset = at - base + 2;
return bytesToUtf8(data, 0, data.length);
}
const major = (payload[at] & 0b1110_0000) >> 5;
const minor = payload[at] & 0b0001_1111;
if (major !== majorUtf8String) {
throw new Error(`unexpected major type ${major} in indefinite string.`);
}
if (minor === minorIndefinite) {
throw new Error("nested indefinite string.");
}
const bytes = decodeUnstructuredByteString(at, to);
const length = _offset;
at += length;
for (let i = 0; i < bytes.length; ++i) {
vector.push(bytes[i]);
}
}
throw new Error("expected break marker.");
}
function decodeUnstructuredByteString(at, to) {
const length = decodeCount(at, to);
const offset = _offset;
at += offset;
if (to - at < length) {
throw new Error(`unstructured byte string len ${length} greater than remaining buf len.`);
}
const value = payload.subarray(at, at + length);
_offset = offset + length;
return value;
}
function decodeUnstructuredByteStringIndefinite(at, to) {
at += 1;
const vector = [];
for (const base = at; at < to;) {
if (payload[at] === 0b1111_1111) {
const data = alloc(vector.length);
data.set(vector, 0);
_offset = at - base + 2;
return data;
}
const major = (payload[at] & 0b1110_0000) >> 5;
const minor = payload[at] & 0b0001_1111;
if (major !== majorUnstructuredByteString) {
throw new Error(`unexpected major type ${major} in indefinite string.`);
}
if (minor === minorIndefinite) {
throw new Error("nested indefinite string.");
}
const bytes = decodeUnstructuredByteString(at, to);
const length = _offset;
at += length;
for (let i = 0; i < bytes.length; ++i) {
vector.push(bytes[i]);
}
}
throw new Error("expected break marker.");
}
function decodeList(at, to) {
const listDataLength = decodeCount(at, to);
const offset = _offset;
at += offset;
const base = at;
const list = Array(listDataLength);
for (let i = 0; i < listDataLength; ++i) {
const item = decode(at, to);
const itemOffset = _offset;
list[i] = item;
at += itemOffset;
}
_offset = offset + (at - base);
return list;
}
function decodeListIndefinite(at, to) {
at += 1;
const list = [];
for (const base = at; at < to;) {
if (payload[at] === 0b1111_1111) {
_offset = at - base + 2;
return list;
}
const item = decode(at, to);
const n = _offset;
at += n;
list.push(item);
}
throw new Error("expected break marker.");
}
function decodeMap(at, to) {
const mapDataLength = decodeCount(at, to);
const offset = _offset;
at += offset;
const base = at;
const map = {};
for (let i = 0; i < mapDataLength; ++i) {
if (at >= to) {
throw new Error("unexpected end of map payload.");
}
const major = (payload[at] & 0b1110_0000) >> 5;
if (major !== majorUtf8String) {
throw new Error(`unexpected major type ${major} for map key at index ${at}.`);
}
const key = decode(at, to);
at += _offset;
const value = decode(at, to);
at += _offset;
map[key] = value;
}
_offset = offset + (at - base);
return map;
}
function decodeMapIndefinite(at, to) {
at += 1;
const base = at;
const map = {};
for (; at < to;) {
if (at >= to) {
throw new Error("unexpected end of map payload.");
}
if (payload[at] === 0b1111_1111) {
_offset = at - base + 2;
return map;
}
const major = (payload[at] & 0b1110_0000) >> 5;
if (major !== majorUtf8String) {
throw new Error(`unexpected major type ${major} for map key.`);
}
const key = decode(at, to);
at += _offset;
const value = decode(at, to);
at += _offset;
map[key] = value;
}
throw new Error("expected break marker.");
}
function decodeSpecial(at, to) {
const minor = payload[at] & 0b0001_1111;
switch (minor) {
case specialTrue:
case specialFalse:
_offset = 1;
return minor === specialTrue;
case specialNull:
_offset = 1;
return null;
case specialUndefined:
_offset = 1;
return null;
case extendedFloat16:
if (to - at < 3) {
throw new Error("incomplete float16 at end of buf.");
}
_offset = 3;
return bytesToFloat16(payload[at + 1], payload[at + 2]);
case extendedFloat32:
if (to - at < 5) {
throw new Error("incomplete float32 at end of buf.");
}
_offset = 5;
return dataView.getFloat32(at + 1);
case extendedFloat64:
if (to - at < 9) {
throw new Error("incomplete float64 at end of buf.");
}
_offset = 9;
return dataView.getFloat64(at + 1);
default:
throw new Error(`unexpected minor value ${minor}.`);
}
}
function castBigInt(bigInt) {
if (typeof bigInt === "number") {
return bigInt;
}
const num = Number(bigInt);
if (Number.MIN_SAFE_INTEGER <= num && num <= Number.MAX_SAFE_INTEGER) {
return num;
}
return bigInt;
}

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import { NumericValue } from "@smithy/core/serde";
import { fromUtf8 } from "@smithy/util-utf8";
import { alloc, extendedFloat16, extendedFloat32, extendedFloat64, majorList, majorMap, majorNegativeInt64, majorSpecial, majorTag, majorUint64, majorUnstructuredByteString, majorUtf8String, specialFalse, specialNull, specialTrue, tagSymbol, } from "./cbor-types";
const USE_BUFFER = typeof Buffer !== "undefined";
const initialSize = 2048;
let data = alloc(initialSize);
let dataView = new DataView(data.buffer, data.byteOffset, data.byteLength);
let cursor = 0;
function ensureSpace(bytes) {
const remaining = data.byteLength - cursor;
if (remaining < bytes) {
if (cursor < 16_000_000) {
resize(Math.max(data.byteLength * 4, data.byteLength + bytes));
}
else {
resize(data.byteLength + bytes + 16_000_000);
}
}
}
export function toUint8Array() {
const out = alloc(cursor);
out.set(data.subarray(0, cursor), 0);
cursor = 0;
return out;
}
export function resize(size) {
const old = data;
data = alloc(size);
if (old) {
if (old.copy) {
old.copy(data, 0, 0, old.byteLength);
}
else {
data.set(old, 0);
}
}
dataView = new DataView(data.buffer, data.byteOffset, data.byteLength);
}
function encodeHeader(major, value) {
if (value < 24) {
data[cursor++] = (major << 5) | value;
}
else if (value < 1 << 8) {
data[cursor++] = (major << 5) | 24;
data[cursor++] = value;
}
else if (value < 1 << 16) {
data[cursor++] = (major << 5) | extendedFloat16;
dataView.setUint16(cursor, value);
cursor += 2;
}
else if (value < 2 ** 32) {
data[cursor++] = (major << 5) | extendedFloat32;
dataView.setUint32(cursor, value);
cursor += 4;
}
else {
data[cursor++] = (major << 5) | extendedFloat64;
dataView.setBigUint64(cursor, typeof value === "bigint" ? value : BigInt(value));
cursor += 8;
}
}
export function encode(_input) {
const encodeStack = [_input];
while (encodeStack.length) {
const input = encodeStack.pop();
ensureSpace(typeof input === "string" ? input.length * 4 : 64);
if (typeof input === "string") {
if (USE_BUFFER) {
encodeHeader(majorUtf8String, Buffer.byteLength(input));
cursor += data.write(input, cursor);
}
else {
const bytes = fromUtf8(input);
encodeHeader(majorUtf8String, bytes.byteLength);
data.set(bytes, cursor);
cursor += bytes.byteLength;
}
continue;
}
else if (typeof input === "number") {
if (Number.isInteger(input)) {
const nonNegative = input >= 0;
const major = nonNegative ? majorUint64 : majorNegativeInt64;
const value = nonNegative ? input : -input - 1;
if (value < 24) {
data[cursor++] = (major << 5) | value;
}
else if (value < 256) {
data[cursor++] = (major << 5) | 24;
data[cursor++] = value;
}
else if (value < 65536) {
data[cursor++] = (major << 5) | extendedFloat16;
data[cursor++] = value >> 8;
data[cursor++] = value;
}
else if (value < 4294967296) {
data[cursor++] = (major << 5) | extendedFloat32;
dataView.setUint32(cursor, value);
cursor += 4;
}
else {
data[cursor++] = (major << 5) | extendedFloat64;
dataView.setBigUint64(cursor, BigInt(value));
cursor += 8;
}
continue;
}
data[cursor++] = (majorSpecial << 5) | extendedFloat64;
dataView.setFloat64(cursor, input);
cursor += 8;
continue;
}
else if (typeof input === "bigint") {
const nonNegative = input >= 0;
const major = nonNegative ? majorUint64 : majorNegativeInt64;
const value = nonNegative ? input : -input - BigInt(1);
const n = Number(value);
if (n < 24) {
data[cursor++] = (major << 5) | n;
}
else if (n < 256) {
data[cursor++] = (major << 5) | 24;
data[cursor++] = n;
}
else if (n < 65536) {
data[cursor++] = (major << 5) | extendedFloat16;
data[cursor++] = n >> 8;
data[cursor++] = n & 0b1111_1111;
}
else if (n < 4294967296) {
data[cursor++] = (major << 5) | extendedFloat32;
dataView.setUint32(cursor, n);
cursor += 4;
}
else if (value < BigInt("18446744073709551616")) {
data[cursor++] = (major << 5) | extendedFloat64;
dataView.setBigUint64(cursor, value);
cursor += 8;
}
else {
const binaryBigInt = value.toString(2);
const bigIntBytes = new Uint8Array(Math.ceil(binaryBigInt.length / 8));
let b = value;
let i = 0;
while (bigIntBytes.byteLength - ++i >= 0) {
bigIntBytes[bigIntBytes.byteLength - i] = Number(b & BigInt(255));
b >>= BigInt(8);
}
ensureSpace(bigIntBytes.byteLength * 2);
data[cursor++] = nonNegative ? 0b110_00010 : 0b110_00011;
if (USE_BUFFER) {
encodeHeader(majorUnstructuredByteString, Buffer.byteLength(bigIntBytes));
}
else {
encodeHeader(majorUnstructuredByteString, bigIntBytes.byteLength);
}
data.set(bigIntBytes, cursor);
cursor += bigIntBytes.byteLength;
}
continue;
}
else if (input === null) {
data[cursor++] = (majorSpecial << 5) | specialNull;
continue;
}
else if (typeof input === "boolean") {
data[cursor++] = (majorSpecial << 5) | (input ? specialTrue : specialFalse);
continue;
}
else if (typeof input === "undefined") {
throw new Error("@smithy/core/cbor: client may not serialize undefined value.");
}
else if (Array.isArray(input)) {
for (let i = input.length - 1; i >= 0; --i) {
encodeStack.push(input[i]);
}
encodeHeader(majorList, input.length);
continue;
}
else if (typeof input.byteLength === "number") {
ensureSpace(input.length * 2);
encodeHeader(majorUnstructuredByteString, input.length);
data.set(input, cursor);
cursor += input.byteLength;
continue;
}
else if (typeof input === "object") {
if (input instanceof NumericValue) {
const decimalIndex = input.string.indexOf(".");
const exponent = decimalIndex === -1 ? 0 : decimalIndex - input.string.length + 1;
const mantissa = BigInt(input.string.replace(".", ""));
data[cursor++] = 0b110_00100;
encodeStack.push(mantissa);
encodeStack.push(exponent);
encodeHeader(majorList, 2);
continue;
}
if (input[tagSymbol]) {
if ("tag" in input && "value" in input) {
encodeStack.push(input.value);
encodeHeader(majorTag, input.tag);
continue;
}
else {
throw new Error("tag encountered with missing fields, need 'tag' and 'value', found: " + JSON.stringify(input));
}
}
const keys = Object.keys(input);
for (let i = keys.length - 1; i >= 0; --i) {
const key = keys[i];
encodeStack.push(input[key]);
encodeStack.push(key);
}
encodeHeader(majorMap, keys.length);
continue;
}
throw new Error(`data type ${input?.constructor?.name ?? typeof input} not compatible for encoding.`);
}
}

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export const majorUint64 = 0;
export const majorNegativeInt64 = 1;
export const majorUnstructuredByteString = 2;
export const majorUtf8String = 3;
export const majorList = 4;
export const majorMap = 5;
export const majorTag = 6;
export const majorSpecial = 7;
export const specialFalse = 20;
export const specialTrue = 21;
export const specialNull = 22;
export const specialUndefined = 23;
export const extendedOneByte = 24;
export const extendedFloat16 = 25;
export const extendedFloat32 = 26;
export const extendedFloat64 = 27;
export const minorIndefinite = 31;
export function alloc(size) {
return typeof Buffer !== "undefined" ? Buffer.alloc(size) : new Uint8Array(size);
}
export const tagSymbol = Symbol("@smithy/core/cbor::tagSymbol");
export function tag(data) {
data[tagSymbol] = true;
return data;
}

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import { decode, setPayload } from "./cbor-decode";
import { encode, resize, toUint8Array } from "./cbor-encode";
export const cbor = {
deserialize(payload) {
setPayload(payload);
return decode(0, payload.length);
},
serialize(input) {
try {
encode(input);
return toUint8Array();
}
catch (e) {
toUint8Array();
throw e;
}
},
resizeEncodingBuffer(size) {
resize(size);
},
};

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export { cbor } from "./cbor";
export { tag, tagSymbol } from "./cbor-types";
export * from "./parseCborBody";
export * from "./SmithyRpcV2CborProtocol";
export * from "./CborCodec";

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import { collectBody } from "@smithy/core/protocols";
import { HttpRequest as __HttpRequest } from "@smithy/protocol-http";
import { calculateBodyLength } from "@smithy/util-body-length-browser";
import { cbor } from "./cbor";
import { tag } from "./cbor-types";
export const parseCborBody = (streamBody, context) => {
return collectBody(streamBody, context).then(async (bytes) => {
if (bytes.length) {
try {
return cbor.deserialize(bytes);
}
catch (e) {
Object.defineProperty(e, "$responseBodyText", {
value: context.utf8Encoder(bytes),
});
throw e;
}
}
return {};
});
};
export const dateToTag = (date) => {
return tag({
tag: 1,
value: date.getTime() / 1000,
});
};
export const parseCborErrorBody = async (errorBody, context) => {
const value = await parseCborBody(errorBody, context);
value.message = value.message ?? value.Message;
return value;
};
export const loadSmithyRpcV2CborErrorCode = (output, data) => {
const sanitizeErrorCode = (rawValue) => {
let cleanValue = rawValue;
if (typeof cleanValue === "number") {
cleanValue = cleanValue.toString();
}
if (cleanValue.indexOf(",") >= 0) {
cleanValue = cleanValue.split(",")[0];
}
if (cleanValue.indexOf(":") >= 0) {
cleanValue = cleanValue.split(":")[0];
}
if (cleanValue.indexOf("#") >= 0) {
cleanValue = cleanValue.split("#")[1];
}
return cleanValue;
};
if (data["__type"] !== undefined) {
return sanitizeErrorCode(data["__type"]);
}
const codeKey = Object.keys(data).find((key) => key.toLowerCase() === "code");
if (codeKey && data[codeKey] !== undefined) {
return sanitizeErrorCode(data[codeKey]);
}
};
export const checkCborResponse = (response) => {
if (String(response.headers["smithy-protocol"]).toLowerCase() !== "rpc-v2-cbor") {
throw new Error("Malformed RPCv2 CBOR response, status: " + response.statusCode);
}
};
export const buildHttpRpcRequest = async (context, headers, path, resolvedHostname, body) => {
const endpoint = await context.endpoint();
const { hostname, protocol = "https", port, path: basePath } = endpoint;
const contents = {
protocol,
hostname,
port,
method: "POST",
path: basePath.endsWith("/") ? basePath.slice(0, -1) + path : basePath + path,
headers: {
...headers,
},
};
if (resolvedHostname !== undefined) {
contents.hostname = resolvedHostname;
}
if (endpoint.headers) {
for (const [name, value] of Object.entries(endpoint.headers)) {
contents.headers[name] = value;
}
}
if (body !== undefined) {
contents.body = body;
try {
contents.headers["content-length"] = String(calculateBodyLength(body));
}
catch (e) { }
}
return new __HttpRequest(contents);
};

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export * from "./toEndpointV1";

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import { parseUrl } from "@smithy/url-parser";
export const toEndpointV1 = (endpoint) => {
if (typeof endpoint === "object") {
if ("url" in endpoint) {
const v1Endpoint = parseUrl(endpoint.url);
if (endpoint.headers) {
v1Endpoint.headers = {};
for (const [name, values] of Object.entries(endpoint.headers)) {
v1Endpoint.headers[name.toLowerCase()] = values.join(", ");
}
}
return v1Endpoint;
}
return endpoint;
}
return parseUrl(endpoint);
};

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import { fromUtf8, toUtf8 } from "@smithy/util-utf8";
export class EventStreamSerde {
marshaller;
serializer;
deserializer;
serdeContext;
defaultContentType;
constructor({ marshaller, serializer, deserializer, serdeContext, defaultContentType, }) {
this.marshaller = marshaller;
this.serializer = serializer;
this.deserializer = deserializer;
this.serdeContext = serdeContext;
this.defaultContentType = defaultContentType;
}
async serializeEventStream({ eventStream, requestSchema, initialRequest, }) {
const marshaller = this.marshaller;
const eventStreamMember = requestSchema.getEventStreamMember();
const unionSchema = requestSchema.getMemberSchema(eventStreamMember);
const serializer = this.serializer;
const defaultContentType = this.defaultContentType;
const initialRequestMarker = Symbol("initialRequestMarker");
const eventStreamIterable = {
async *[Symbol.asyncIterator]() {
if (initialRequest) {
const headers = {
":event-type": { type: "string", value: "initial-request" },
":message-type": { type: "string", value: "event" },
":content-type": { type: "string", value: defaultContentType },
};
serializer.write(requestSchema, initialRequest);
const body = serializer.flush();
yield {
[initialRequestMarker]: true,
headers,
body,
};
}
for await (const page of eventStream) {
yield page;
}
},
};
return marshaller.serialize(eventStreamIterable, (event) => {
if (event[initialRequestMarker]) {
return {
headers: event.headers,
body: event.body,
};
}
const unionMember = Object.keys(event).find((key) => {
return key !== "__type";
}) ?? "";
const { additionalHeaders, body, eventType, explicitPayloadContentType } = this.writeEventBody(unionMember, unionSchema, event);
const headers = {
":event-type": { type: "string", value: eventType },
":message-type": { type: "string", value: "event" },
":content-type": { type: "string", value: explicitPayloadContentType ?? defaultContentType },
...additionalHeaders,
};
return {
headers,
body,
};
});
}
async deserializeEventStream({ response, responseSchema, initialResponseContainer, }) {
const marshaller = this.marshaller;
const eventStreamMember = responseSchema.getEventStreamMember();
const unionSchema = responseSchema.getMemberSchema(eventStreamMember);
const memberSchemas = unionSchema.getMemberSchemas();
const initialResponseMarker = Symbol("initialResponseMarker");
const asyncIterable = marshaller.deserialize(response.body, async (event) => {
const unionMember = Object.keys(event).find((key) => {
return key !== "__type";
}) ?? "";
const body = event[unionMember].body;
if (unionMember === "initial-response") {
const dataObject = await this.deserializer.read(responseSchema, body);
delete dataObject[eventStreamMember];
return {
[initialResponseMarker]: true,
...dataObject,
};
}
else if (unionMember in memberSchemas) {
const eventStreamSchema = memberSchemas[unionMember];
if (eventStreamSchema.isStructSchema()) {
const out = {};
let hasBindings = false;
for (const [name, member] of eventStreamSchema.structIterator()) {
const { eventHeader, eventPayload } = member.getMergedTraits();
hasBindings = hasBindings || Boolean(eventHeader || eventPayload);
if (eventPayload) {
if (member.isBlobSchema()) {
out[name] = body;
}
else if (member.isStringSchema()) {
out[name] = (this.serdeContext?.utf8Encoder ?? toUtf8)(body);
}
else if (member.isStructSchema()) {
out[name] = await this.deserializer.read(member, body);
}
}
else if (eventHeader) {
const value = event[unionMember].headers[name]?.value;
if (value != null) {
if (member.isNumericSchema()) {
if (value && typeof value === "object" && "bytes" in value) {
out[name] = BigInt(value.toString());
}
else {
out[name] = Number(value);
}
}
else {
out[name] = value;
}
}
}
}
if (hasBindings) {
return {
[unionMember]: out,
};
}
if (body.byteLength === 0) {
return {
[unionMember]: {},
};
}
}
return {
[unionMember]: await this.deserializer.read(eventStreamSchema, body),
};
}
else {
return {
$unknown: event,
};
}
});
const asyncIterator = asyncIterable[Symbol.asyncIterator]();
const firstEvent = await asyncIterator.next();
if (firstEvent.done) {
return asyncIterable;
}
if (firstEvent.value?.[initialResponseMarker]) {
if (!responseSchema) {
throw new Error("@smithy::core/protocols - initial-response event encountered in event stream but no response schema given.");
}
for (const [key, value] of Object.entries(firstEvent.value)) {
initialResponseContainer[key] = value;
}
}
return {
async *[Symbol.asyncIterator]() {
if (!firstEvent?.value?.[initialResponseMarker]) {
yield firstEvent.value;
}
while (true) {
const { done, value } = await asyncIterator.next();
if (done) {
break;
}
yield value;
}
},
};
}
writeEventBody(unionMember, unionSchema, event) {
const serializer = this.serializer;
let eventType = unionMember;
let explicitPayloadMember = null;
let explicitPayloadContentType;
const isKnownSchema = (() => {
const struct = unionSchema.getSchema();
return struct[4].includes(unionMember);
})();
const additionalHeaders = {};
if (!isKnownSchema) {
const [type, value] = event[unionMember];
eventType = type;
serializer.write(15, value);
}
else {
const eventSchema = unionSchema.getMemberSchema(unionMember);
if (eventSchema.isStructSchema()) {
for (const [memberName, memberSchema] of eventSchema.structIterator()) {
const { eventHeader, eventPayload } = memberSchema.getMergedTraits();
if (eventPayload) {
explicitPayloadMember = memberName;
}
else if (eventHeader) {
const value = event[unionMember][memberName];
let type = "binary";
if (memberSchema.isNumericSchema()) {
if ((-2) ** 31 <= value && value <= 2 ** 31 - 1) {
type = "integer";
}
else {
type = "long";
}
}
else if (memberSchema.isTimestampSchema()) {
type = "timestamp";
}
else if (memberSchema.isStringSchema()) {
type = "string";
}
else if (memberSchema.isBooleanSchema()) {
type = "boolean";
}
if (value != null) {
additionalHeaders[memberName] = {
type,
value,
};
delete event[unionMember][memberName];
}
}
}
if (explicitPayloadMember !== null) {
const payloadSchema = eventSchema.getMemberSchema(explicitPayloadMember);
if (payloadSchema.isBlobSchema()) {
explicitPayloadContentType = "application/octet-stream";
}
else if (payloadSchema.isStringSchema()) {
explicitPayloadContentType = "text/plain";
}
serializer.write(payloadSchema, event[unionMember][explicitPayloadMember]);
}
else {
serializer.write(eventSchema, event[unionMember]);
}
}
else if (eventSchema.isUnitSchema()) {
serializer.write(eventSchema, {});
}
else {
throw new Error("@smithy/core/event-streams - non-struct member not supported in event stream union.");
}
}
const messageSerialization = serializer.flush() ?? new Uint8Array();
const body = typeof messageSerialization === "string"
? (this.serdeContext?.utf8Decoder ?? fromUtf8)(messageSerialization)
: messageSerialization;
return {
body,
eventType,
explicitPayloadContentType,
additionalHeaders,
};
}
}

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export * from "./EventStreamSerde";

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import { NormalizedSchema, translateTraits } from "@smithy/core/schema";
import { splitEvery, splitHeader } from "@smithy/core/serde";
import { HttpRequest } from "@smithy/protocol-http";
import { sdkStreamMixin } from "@smithy/util-stream";
import { collectBody } from "./collect-stream-body";
import { extendedEncodeURIComponent } from "./extended-encode-uri-component";
import { HttpProtocol } from "./HttpProtocol";
export class HttpBindingProtocol extends HttpProtocol {
async serializeRequest(operationSchema, _input, context) {
const input = _input && typeof _input === "object" ? _input : {};
const serializer = this.serializer;
const query = {};
const headers = {};
const endpoint = await context.endpoint();
const ns = NormalizedSchema.of(operationSchema?.input);
const payloadMemberNames = [];
const payloadMemberSchemas = [];
let hasNonHttpBindingMember = false;
let payload;
const request = new HttpRequest({
protocol: "",
hostname: "",
port: undefined,
path: "",
fragment: undefined,
query: query,
headers: headers,
body: undefined,
});
if (endpoint) {
this.updateServiceEndpoint(request, endpoint);
this.setHostPrefix(request, operationSchema, input);
const opTraits = translateTraits(operationSchema.traits);
if (opTraits.http) {
request.method = opTraits.http[0];
const [path, search] = opTraits.http[1].split("?");
if (request.path == "/") {
request.path = path;
}
else {
request.path += path;
}
const traitSearchParams = new URLSearchParams(search ?? "");
Object.assign(query, Object.fromEntries(traitSearchParams));
}
}
for (const [memberName, memberNs] of ns.structIterator()) {
const memberTraits = memberNs.getMergedTraits() ?? {};
const inputMemberValue = input[memberName];
if (inputMemberValue == null && !memberNs.isIdempotencyToken()) {
if (memberTraits.httpLabel) {
if (request.path.includes(`{${memberName}+}`) || request.path.includes(`{${memberName}}`)) {
throw new Error(`No value provided for input HTTP label: ${memberName}.`);
}
}
continue;
}
if (memberTraits.httpPayload) {
const isStreaming = memberNs.isStreaming();
if (isStreaming) {
const isEventStream = memberNs.isStructSchema();
if (isEventStream) {
if (input[memberName]) {
payload = await this.serializeEventStream({
eventStream: input[memberName],
requestSchema: ns,
});
}
}
else {
payload = inputMemberValue;
}
}
else {
serializer.write(memberNs, inputMemberValue);
payload = serializer.flush();
}
}
else if (memberTraits.httpLabel) {
serializer.write(memberNs, inputMemberValue);
const replacement = serializer.flush();
if (request.path.includes(`{${memberName}+}`)) {
request.path = request.path.replace(`{${memberName}+}`, replacement.split("/").map(extendedEncodeURIComponent).join("/"));
}
else if (request.path.includes(`{${memberName}}`)) {
request.path = request.path.replace(`{${memberName}}`, extendedEncodeURIComponent(replacement));
}
}
else if (memberTraits.httpHeader) {
serializer.write(memberNs, inputMemberValue);
headers[memberTraits.httpHeader.toLowerCase()] = String(serializer.flush());
}
else if (typeof memberTraits.httpPrefixHeaders === "string") {
for (const [key, val] of Object.entries(inputMemberValue)) {
const amalgam = memberTraits.httpPrefixHeaders + key;
serializer.write([memberNs.getValueSchema(), { httpHeader: amalgam }], val);
headers[amalgam.toLowerCase()] = serializer.flush();
}
}
else if (memberTraits.httpQuery || memberTraits.httpQueryParams) {
this.serializeQuery(memberNs, inputMemberValue, query);
}
else {
hasNonHttpBindingMember = true;
payloadMemberNames.push(memberName);
payloadMemberSchemas.push(memberNs);
}
}
if (hasNonHttpBindingMember && input) {
const [namespace, name] = (ns.getName(true) ?? "#Unknown").split("#");
const requiredMembers = ns.getSchema()[6];
const payloadSchema = [
3,
namespace,
name,
ns.getMergedTraits(),
payloadMemberNames,
payloadMemberSchemas,
undefined,
];
if (requiredMembers) {
payloadSchema[6] = requiredMembers;
}
else {
payloadSchema.pop();
}
serializer.write(payloadSchema, input);
payload = serializer.flush();
}
request.headers = headers;
request.query = query;
request.body = payload;
return request;
}
serializeQuery(ns, data, query) {
const serializer = this.serializer;
const traits = ns.getMergedTraits();
if (traits.httpQueryParams) {
for (const [key, val] of Object.entries(data)) {
if (!(key in query)) {
const valueSchema = ns.getValueSchema();
Object.assign(valueSchema.getMergedTraits(), {
...traits,
httpQuery: key,
httpQueryParams: undefined,
});
this.serializeQuery(valueSchema, val, query);
}
}
return;
}
if (ns.isListSchema()) {
const sparse = !!ns.getMergedTraits().sparse;
const buffer = [];
for (const item of data) {
serializer.write([ns.getValueSchema(), traits], item);
const serializable = serializer.flush();
if (sparse || serializable !== undefined) {
buffer.push(serializable);
}
}
query[traits.httpQuery] = buffer;
}
else {
serializer.write([ns, traits], data);
query[traits.httpQuery] = serializer.flush();
}
}
async deserializeResponse(operationSchema, context, response) {
const deserializer = this.deserializer;
const ns = NormalizedSchema.of(operationSchema.output);
const dataObject = {};
if (response.statusCode >= 300) {
const bytes = await collectBody(response.body, context);
if (bytes.byteLength > 0) {
Object.assign(dataObject, await deserializer.read(15, bytes));
}
await this.handleError(operationSchema, context, response, dataObject, this.deserializeMetadata(response));
throw new Error("@smithy/core/protocols - HTTP Protocol error handler failed to throw.");
}
for (const header in response.headers) {
const value = response.headers[header];
delete response.headers[header];
response.headers[header.toLowerCase()] = value;
}
const nonHttpBindingMembers = await this.deserializeHttpMessage(ns, context, response, dataObject);
if (nonHttpBindingMembers.length) {
const bytes = await collectBody(response.body, context);
if (bytes.byteLength > 0) {
const dataFromBody = await deserializer.read(ns, bytes);
for (const member of nonHttpBindingMembers) {
if (dataFromBody[member] != null) {
dataObject[member] = dataFromBody[member];
}
}
}
}
else if (nonHttpBindingMembers.discardResponseBody) {
await collectBody(response.body, context);
}
dataObject.$metadata = this.deserializeMetadata(response);
return dataObject;
}
async deserializeHttpMessage(schema, context, response, arg4, arg5) {
let dataObject;
if (arg4 instanceof Set) {
dataObject = arg5;
}
else {
dataObject = arg4;
}
let discardResponseBody = true;
const deserializer = this.deserializer;
const ns = NormalizedSchema.of(schema);
const nonHttpBindingMembers = [];
for (const [memberName, memberSchema] of ns.structIterator()) {
const memberTraits = memberSchema.getMemberTraits();
if (memberTraits.httpPayload) {
discardResponseBody = false;
const isStreaming = memberSchema.isStreaming();
if (isStreaming) {
const isEventStream = memberSchema.isStructSchema();
if (isEventStream) {
dataObject[memberName] = await this.deserializeEventStream({
response,
responseSchema: ns,
});
}
else {
dataObject[memberName] = sdkStreamMixin(response.body);
}
}
else if (response.body) {
const bytes = await collectBody(response.body, context);
if (bytes.byteLength > 0) {
dataObject[memberName] = await deserializer.read(memberSchema, bytes);
}
}
}
else if (memberTraits.httpHeader) {
const key = String(memberTraits.httpHeader).toLowerCase();
const value = response.headers[key];
if (null != value) {
if (memberSchema.isListSchema()) {
const headerListValueSchema = memberSchema.getValueSchema();
headerListValueSchema.getMergedTraits().httpHeader = key;
let sections;
if (headerListValueSchema.isTimestampSchema() &&
headerListValueSchema.getSchema() === 4) {
sections = splitEvery(value, ",", 2);
}
else {
sections = splitHeader(value);
}
const list = [];
for (const section of sections) {
list.push(await deserializer.read(headerListValueSchema, section.trim()));
}
dataObject[memberName] = list;
}
else {
dataObject[memberName] = await deserializer.read(memberSchema, value);
}
}
}
else if (memberTraits.httpPrefixHeaders !== undefined) {
dataObject[memberName] = {};
for (const [header, value] of Object.entries(response.headers)) {
if (header.startsWith(memberTraits.httpPrefixHeaders)) {
const valueSchema = memberSchema.getValueSchema();
valueSchema.getMergedTraits().httpHeader = header;
dataObject[memberName][header.slice(memberTraits.httpPrefixHeaders.length)] = await deserializer.read(valueSchema, value);
}
}
}
else if (memberTraits.httpResponseCode) {
dataObject[memberName] = response.statusCode;
}
else {
nonHttpBindingMembers.push(memberName);
}
}
nonHttpBindingMembers.discardResponseBody = discardResponseBody;
return nonHttpBindingMembers;
}
}

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import { NormalizedSchema, translateTraits, TypeRegistry } from "@smithy/core/schema";
import { HttpRequest, HttpResponse } from "@smithy/protocol-http";
import { SerdeContext } from "./SerdeContext";
export class HttpProtocol extends SerdeContext {
options;
compositeErrorRegistry;
constructor(options) {
super();
this.options = options;
this.compositeErrorRegistry = TypeRegistry.for(options.defaultNamespace);
for (const etr of options.errorTypeRegistries ?? []) {
this.compositeErrorRegistry.copyFrom(etr);
}
}
getRequestType() {
return HttpRequest;
}
getResponseType() {
return HttpResponse;
}
setSerdeContext(serdeContext) {
this.serdeContext = serdeContext;
this.serializer.setSerdeContext(serdeContext);
this.deserializer.setSerdeContext(serdeContext);
if (this.getPayloadCodec()) {
this.getPayloadCodec().setSerdeContext(serdeContext);
}
}
updateServiceEndpoint(request, endpoint) {
if ("url" in endpoint) {
request.protocol = endpoint.url.protocol;
request.hostname = endpoint.url.hostname;
request.port = endpoint.url.port ? Number(endpoint.url.port) : undefined;
request.path = endpoint.url.pathname;
request.fragment = endpoint.url.hash || void 0;
request.username = endpoint.url.username || void 0;
request.password = endpoint.url.password || void 0;
if (!request.query) {
request.query = {};
}
for (const [k, v] of endpoint.url.searchParams.entries()) {
request.query[k] = v;
}
if (endpoint.headers) {
for (const [name, values] of Object.entries(endpoint.headers)) {
request.headers[name] = values.join(", ");
}
}
return request;
}
else {
request.protocol = endpoint.protocol;
request.hostname = endpoint.hostname;
request.port = endpoint.port ? Number(endpoint.port) : undefined;
request.path = endpoint.path;
request.query = {
...endpoint.query,
};
if (endpoint.headers) {
for (const [name, value] of Object.entries(endpoint.headers)) {
request.headers[name] = value;
}
}
return request;
}
}
setHostPrefix(request, operationSchema, input) {
if (this.serdeContext?.disableHostPrefix) {
return;
}
const inputNs = NormalizedSchema.of(operationSchema.input);
const opTraits = translateTraits(operationSchema.traits ?? {});
if (opTraits.endpoint) {
let hostPrefix = opTraits.endpoint?.[0];
if (typeof hostPrefix === "string") {
const hostLabelInputs = [...inputNs.structIterator()].filter(([, member]) => member.getMergedTraits().hostLabel);
for (const [name] of hostLabelInputs) {
const replacement = input[name];
if (typeof replacement !== "string") {
throw new Error(`@smithy/core/schema - ${name} in input must be a string as hostLabel.`);
}
hostPrefix = hostPrefix.replace(`{${name}}`, replacement);
}
request.hostname = hostPrefix + request.hostname;
}
}
}
deserializeMetadata(output) {
return {
httpStatusCode: output.statusCode,
requestId: output.headers["x-amzn-requestid"] ?? output.headers["x-amzn-request-id"] ?? output.headers["x-amz-request-id"],
extendedRequestId: output.headers["x-amz-id-2"],
cfId: output.headers["x-amz-cf-id"],
};
}
async serializeEventStream({ eventStream, requestSchema, initialRequest, }) {
const eventStreamSerde = await this.loadEventStreamCapability();
return eventStreamSerde.serializeEventStream({
eventStream,
requestSchema,
initialRequest,
});
}
async deserializeEventStream({ response, responseSchema, initialResponseContainer, }) {
const eventStreamSerde = await this.loadEventStreamCapability();
return eventStreamSerde.deserializeEventStream({
response,
responseSchema,
initialResponseContainer,
});
}
async loadEventStreamCapability() {
const { EventStreamSerde } = await import("@smithy/core/event-streams");
return new EventStreamSerde({
marshaller: this.getEventStreamMarshaller(),
serializer: this.serializer,
deserializer: this.deserializer,
serdeContext: this.serdeContext,
defaultContentType: this.getDefaultContentType(),
});
}
getDefaultContentType() {
throw new Error(`@smithy/core/protocols - ${this.constructor.name} getDefaultContentType() implementation missing.`);
}
async deserializeHttpMessage(schema, context, response, arg4, arg5) {
void schema;
void context;
void response;
void arg4;
void arg5;
return [];
}
getEventStreamMarshaller() {
const context = this.serdeContext;
if (!context.eventStreamMarshaller) {
throw new Error("@smithy/core - HttpProtocol: eventStreamMarshaller missing in serdeContext.");
}
return context.eventStreamMarshaller;
}
}

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import { NormalizedSchema } from "@smithy/core/schema";
import { HttpRequest } from "@smithy/protocol-http";
import { collectBody } from "./collect-stream-body";
import { HttpProtocol } from "./HttpProtocol";
export class RpcProtocol extends HttpProtocol {
async serializeRequest(operationSchema, _input, context) {
const serializer = this.serializer;
const query = {};
const headers = {};
const endpoint = await context.endpoint();
const ns = NormalizedSchema.of(operationSchema?.input);
const schema = ns.getSchema();
let payload;
const input = _input && typeof _input === "object" ? _input : {};
const request = new HttpRequest({
protocol: "",
hostname: "",
port: undefined,
path: "/",
fragment: undefined,
query: query,
headers: headers,
body: undefined,
});
if (endpoint) {
this.updateServiceEndpoint(request, endpoint);
this.setHostPrefix(request, operationSchema, input);
}
if (input) {
const eventStreamMember = ns.getEventStreamMember();
if (eventStreamMember) {
if (input[eventStreamMember]) {
const initialRequest = {};
for (const [memberName, memberSchema] of ns.structIterator()) {
if (memberName !== eventStreamMember && input[memberName]) {
serializer.write(memberSchema, input[memberName]);
initialRequest[memberName] = serializer.flush();
}
}
payload = await this.serializeEventStream({
eventStream: input[eventStreamMember],
requestSchema: ns,
initialRequest,
});
}
}
else {
serializer.write(schema, input);
payload = serializer.flush();
}
}
request.headers = Object.assign(request.headers, headers);
request.query = query;
request.body = payload;
request.method = "POST";
return request;
}
async deserializeResponse(operationSchema, context, response) {
const deserializer = this.deserializer;
const ns = NormalizedSchema.of(operationSchema.output);
const dataObject = {};
if (response.statusCode >= 300) {
const bytes = await collectBody(response.body, context);
if (bytes.byteLength > 0) {
Object.assign(dataObject, await deserializer.read(15, bytes));
}
await this.handleError(operationSchema, context, response, dataObject, this.deserializeMetadata(response));
throw new Error("@smithy/core/protocols - RPC Protocol error handler failed to throw.");
}
for (const header in response.headers) {
const value = response.headers[header];
delete response.headers[header];
response.headers[header.toLowerCase()] = value;
}
const eventStreamMember = ns.getEventStreamMember();
if (eventStreamMember) {
dataObject[eventStreamMember] = await this.deserializeEventStream({
response,
responseSchema: ns,
initialResponseContainer: dataObject,
});
}
else {
const bytes = await collectBody(response.body, context);
if (bytes.byteLength > 0) {
Object.assign(dataObject, await deserializer.read(ns, bytes));
}
}
dataObject.$metadata = this.deserializeMetadata(response);
return dataObject;
}
}

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export class SerdeContext {
serdeContext;
setSerdeContext(serdeContext) {
this.serdeContext = serdeContext;
}
}

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import { Uint8ArrayBlobAdapter } from "@smithy/util-stream";
export const collectBody = async (streamBody = new Uint8Array(), context) => {
if (streamBody instanceof Uint8Array) {
return Uint8ArrayBlobAdapter.mutate(streamBody);
}
if (!streamBody) {
return Uint8ArrayBlobAdapter.mutate(new Uint8Array());
}
const fromContext = context.streamCollector(streamBody);
return Uint8ArrayBlobAdapter.mutate(await fromContext);
};

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export function extendedEncodeURIComponent(str) {
return encodeURIComponent(str).replace(/[!'()*]/g, function (c) {
return "%" + c.charCodeAt(0).toString(16).toUpperCase();
});
}

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export * from "./collect-stream-body";
export * from "./extended-encode-uri-component";
export * from "./HttpBindingProtocol";
export * from "./HttpProtocol";
export * from "./RpcProtocol";
export * from "./requestBuilder";
export * from "./resolve-path";
export * from "./serde/FromStringShapeDeserializer";
export * from "./serde/HttpInterceptingShapeDeserializer";
export * from "./serde/HttpInterceptingShapeSerializer";
export * from "./serde/ToStringShapeSerializer";
export * from "./serde/determineTimestampFormat";
export * from "./SerdeContext";

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import { HttpRequest } from "@smithy/protocol-http";
import { resolvedPath } from "./resolve-path";
export function requestBuilder(input, context) {
return new RequestBuilder(input, context);
}
export class RequestBuilder {
input;
context;
query = {};
method = "";
headers = {};
path = "";
body = null;
hostname = "";
resolvePathStack = [];
constructor(input, context) {
this.input = input;
this.context = context;
}
async build() {
const { hostname, protocol = "https", port, path: basePath } = await this.context.endpoint();
this.path = basePath;
for (const resolvePath of this.resolvePathStack) {
resolvePath(this.path);
}
return new HttpRequest({
protocol,
hostname: this.hostname || hostname,
port,
method: this.method,
path: this.path,
query: this.query,
body: this.body,
headers: this.headers,
});
}
hn(hostname) {
this.hostname = hostname;
return this;
}
bp(uriLabel) {
this.resolvePathStack.push((basePath) => {
this.path = `${basePath?.endsWith("/") ? basePath.slice(0, -1) : basePath || ""}` + uriLabel;
});
return this;
}
p(memberName, labelValueProvider, uriLabel, isGreedyLabel) {
this.resolvePathStack.push((path) => {
this.path = resolvedPath(path, this.input, memberName, labelValueProvider, uriLabel, isGreedyLabel);
});
return this;
}
h(headers) {
this.headers = headers;
return this;
}
q(query) {
this.query = query;
return this;
}
b(body) {
this.body = body;
return this;
}
m(method) {
this.method = method;
return this;
}
}

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import { extendedEncodeURIComponent } from "./extended-encode-uri-component";
export const resolvedPath = (resolvedPath, input, memberName, labelValueProvider, uriLabel, isGreedyLabel) => {
if (input != null && input[memberName] !== undefined) {
const labelValue = labelValueProvider();
if (labelValue == null || labelValue.length <= 0) {
throw new Error("Empty value provided for input HTTP label: " + memberName + ".");
}
resolvedPath = resolvedPath.replace(uriLabel, isGreedyLabel
? labelValue
.split("/")
.map((segment) => extendedEncodeURIComponent(segment))
.join("/")
: extendedEncodeURIComponent(labelValue));
}
else {
throw new Error("No value provided for input HTTP label: " + memberName + ".");
}
return resolvedPath;
};

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import { NormalizedSchema } from "@smithy/core/schema";
import { _parseEpochTimestamp, _parseRfc3339DateTimeWithOffset, _parseRfc7231DateTime, LazyJsonString, NumericValue, splitHeader, } from "@smithy/core/serde";
import { fromBase64 } from "@smithy/util-base64";
import { toUtf8 } from "@smithy/util-utf8";
import { SerdeContext } from "../SerdeContext";
import { determineTimestampFormat } from "./determineTimestampFormat";
export class FromStringShapeDeserializer extends SerdeContext {
settings;
constructor(settings) {
super();
this.settings = settings;
}
read(_schema, data) {
const ns = NormalizedSchema.of(_schema);
if (ns.isListSchema()) {
return splitHeader(data).map((item) => this.read(ns.getValueSchema(), item));
}
if (ns.isBlobSchema()) {
return (this.serdeContext?.base64Decoder ?? fromBase64)(data);
}
if (ns.isTimestampSchema()) {
const format = determineTimestampFormat(ns, this.settings);
switch (format) {
case 5:
return _parseRfc3339DateTimeWithOffset(data);
case 6:
return _parseRfc7231DateTime(data);
case 7:
return _parseEpochTimestamp(data);
default:
console.warn("Missing timestamp format, parsing value with Date constructor:", data);
return new Date(data);
}
}
if (ns.isStringSchema()) {
const mediaType = ns.getMergedTraits().mediaType;
let intermediateValue = data;
if (mediaType) {
if (ns.getMergedTraits().httpHeader) {
intermediateValue = this.base64ToUtf8(intermediateValue);
}
const isJson = mediaType === "application/json" || mediaType.endsWith("+json");
if (isJson) {
intermediateValue = LazyJsonString.from(intermediateValue);
}
return intermediateValue;
}
}
if (ns.isNumericSchema()) {
return Number(data);
}
if (ns.isBigIntegerSchema()) {
return BigInt(data);
}
if (ns.isBigDecimalSchema()) {
return new NumericValue(data, "bigDecimal");
}
if (ns.isBooleanSchema()) {
return String(data).toLowerCase() === "true";
}
return data;
}
base64ToUtf8(base64String) {
return (this.serdeContext?.utf8Encoder ?? toUtf8)((this.serdeContext?.base64Decoder ?? fromBase64)(base64String));
}
}

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import { NormalizedSchema } from "@smithy/core/schema";
import { fromUtf8, toUtf8 } from "@smithy/util-utf8";
import { SerdeContext } from "../SerdeContext";
import { FromStringShapeDeserializer } from "./FromStringShapeDeserializer";
export class HttpInterceptingShapeDeserializer extends SerdeContext {
codecDeserializer;
stringDeserializer;
constructor(codecDeserializer, codecSettings) {
super();
this.codecDeserializer = codecDeserializer;
this.stringDeserializer = new FromStringShapeDeserializer(codecSettings);
}
setSerdeContext(serdeContext) {
this.stringDeserializer.setSerdeContext(serdeContext);
this.codecDeserializer.setSerdeContext(serdeContext);
this.serdeContext = serdeContext;
}
read(schema, data) {
const ns = NormalizedSchema.of(schema);
const traits = ns.getMergedTraits();
const toString = this.serdeContext?.utf8Encoder ?? toUtf8;
if (traits.httpHeader || traits.httpResponseCode) {
return this.stringDeserializer.read(ns, toString(data));
}
if (traits.httpPayload) {
if (ns.isBlobSchema()) {
const toBytes = this.serdeContext?.utf8Decoder ?? fromUtf8;
if (typeof data === "string") {
return toBytes(data);
}
return data;
}
else if (ns.isStringSchema()) {
if ("byteLength" in data) {
return toString(data);
}
return data;
}
}
return this.codecDeserializer.read(ns, data);
}
}

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import { NormalizedSchema } from "@smithy/core/schema";
import { ToStringShapeSerializer } from "./ToStringShapeSerializer";
export class HttpInterceptingShapeSerializer {
codecSerializer;
stringSerializer;
buffer;
constructor(codecSerializer, codecSettings, stringSerializer = new ToStringShapeSerializer(codecSettings)) {
this.codecSerializer = codecSerializer;
this.stringSerializer = stringSerializer;
}
setSerdeContext(serdeContext) {
this.codecSerializer.setSerdeContext(serdeContext);
this.stringSerializer.setSerdeContext(serdeContext);
}
write(schema, value) {
const ns = NormalizedSchema.of(schema);
const traits = ns.getMergedTraits();
if (traits.httpHeader || traits.httpLabel || traits.httpQuery) {
this.stringSerializer.write(ns, value);
this.buffer = this.stringSerializer.flush();
return;
}
return this.codecSerializer.write(ns, value);
}
flush() {
if (this.buffer !== undefined) {
const buffer = this.buffer;
this.buffer = undefined;
return buffer;
}
return this.codecSerializer.flush();
}
}

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import { NormalizedSchema } from "@smithy/core/schema";
import { dateToUtcString, generateIdempotencyToken, LazyJsonString, quoteHeader } from "@smithy/core/serde";
import { toBase64 } from "@smithy/util-base64";
import { SerdeContext } from "../SerdeContext";
import { determineTimestampFormat } from "./determineTimestampFormat";
export class ToStringShapeSerializer extends SerdeContext {
settings;
stringBuffer = "";
constructor(settings) {
super();
this.settings = settings;
}
write(schema, value) {
const ns = NormalizedSchema.of(schema);
switch (typeof value) {
case "object":
if (value === null) {
this.stringBuffer = "null";
return;
}
if (ns.isTimestampSchema()) {
if (!(value instanceof Date)) {
throw new Error(`@smithy/core/protocols - received non-Date value ${value} when schema expected Date in ${ns.getName(true)}`);
}
const format = determineTimestampFormat(ns, this.settings);
switch (format) {
case 5:
this.stringBuffer = value.toISOString().replace(".000Z", "Z");
break;
case 6:
this.stringBuffer = dateToUtcString(value);
break;
case 7:
this.stringBuffer = String(value.getTime() / 1000);
break;
default:
console.warn("Missing timestamp format, using epoch seconds", value);
this.stringBuffer = String(value.getTime() / 1000);
}
return;
}
if (ns.isBlobSchema() && "byteLength" in value) {
this.stringBuffer = (this.serdeContext?.base64Encoder ?? toBase64)(value);
return;
}
if (ns.isListSchema() && Array.isArray(value)) {
let buffer = "";
for (const item of value) {
this.write([ns.getValueSchema(), ns.getMergedTraits()], item);
const headerItem = this.flush();
const serialized = ns.getValueSchema().isTimestampSchema() ? headerItem : quoteHeader(headerItem);
if (buffer !== "") {
buffer += ", ";
}
buffer += serialized;
}
this.stringBuffer = buffer;
return;
}
this.stringBuffer = JSON.stringify(value, null, 2);
break;
case "string":
const mediaType = ns.getMergedTraits().mediaType;
let intermediateValue = value;
if (mediaType) {
const isJson = mediaType === "application/json" || mediaType.endsWith("+json");
if (isJson) {
intermediateValue = LazyJsonString.from(intermediateValue);
}
if (ns.getMergedTraits().httpHeader) {
this.stringBuffer = (this.serdeContext?.base64Encoder ?? toBase64)(intermediateValue.toString());
return;
}
}
this.stringBuffer = value;
break;
default:
if (ns.isIdempotencyToken()) {
this.stringBuffer = generateIdempotencyToken();
}
else {
this.stringBuffer = String(value);
}
}
}
flush() {
const buffer = this.stringBuffer;
this.stringBuffer = "";
return buffer;
}
}

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export function determineTimestampFormat(ns, settings) {
if (settings.timestampFormat.useTrait) {
if (ns.isTimestampSchema() &&
(ns.getSchema() === 5 ||
ns.getSchema() === 6 ||
ns.getSchema() === 7)) {
return ns.getSchema();
}
}
const { httpLabel, httpPrefixHeaders, httpHeader, httpQuery } = ns.getMergedTraits();
const bindingFormat = settings.httpBindings
? typeof httpPrefixHeaders === "string" || Boolean(httpHeader)
? 6
: Boolean(httpQuery) || Boolean(httpLabel)
? 5
: undefined
: undefined;
return bindingFormat ?? settings.timestampFormat.default;
}

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export class TypeRegistry {
namespace;
schemas;
exceptions;
static registries = new Map();
constructor(namespace, schemas = new Map(), exceptions = new Map()) {
this.namespace = namespace;
this.schemas = schemas;
this.exceptions = exceptions;
}
static for(namespace) {
if (!TypeRegistry.registries.has(namespace)) {
TypeRegistry.registries.set(namespace, new TypeRegistry(namespace));
}
return TypeRegistry.registries.get(namespace);
}
copyFrom(other) {
const { schemas, exceptions } = this;
for (const [k, v] of other.schemas) {
if (!schemas.has(k)) {
schemas.set(k, v);
}
}
for (const [k, v] of other.exceptions) {
if (!exceptions.has(k)) {
exceptions.set(k, v);
}
}
}
register(shapeId, schema) {
const qualifiedName = this.normalizeShapeId(shapeId);
for (const r of [this, TypeRegistry.for(qualifiedName.split("#")[0])]) {
r.schemas.set(qualifiedName, schema);
}
}
getSchema(shapeId) {
const id = this.normalizeShapeId(shapeId);
if (!this.schemas.has(id)) {
throw new Error(`@smithy/core/schema - schema not found for ${id}`);
}
return this.schemas.get(id);
}
registerError(es, ctor) {
const $error = es;
const ns = $error[1];
for (const r of [this, TypeRegistry.for(ns)]) {
r.schemas.set(ns + "#" + $error[2], $error);
r.exceptions.set($error, ctor);
}
}
getErrorCtor(es) {
const $error = es;
if (this.exceptions.has($error)) {
return this.exceptions.get($error);
}
const registry = TypeRegistry.for($error[1]);
return registry.exceptions.get($error);
}
getBaseException() {
for (const exceptionKey of this.exceptions.keys()) {
if (Array.isArray(exceptionKey)) {
const [, ns, name] = exceptionKey;
const id = ns + "#" + name;
if (id.startsWith("smithy.ts.sdk.synthetic.") && id.endsWith("ServiceException")) {
return exceptionKey;
}
}
}
return undefined;
}
find(predicate) {
return [...this.schemas.values()].find(predicate);
}
clear() {
this.schemas.clear();
this.exceptions.clear();
}
normalizeShapeId(shapeId) {
if (shapeId.includes("#")) {
return shapeId;
}
return this.namespace + "#" + shapeId;
}
}

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export const deref = (schemaRef) => {
if (typeof schemaRef === "function") {
return schemaRef();
}
return schemaRef;
};

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export * from "./deref";
export * from "./middleware/getSchemaSerdePlugin";
export * from "./schemas/ListSchema";
export * from "./schemas/MapSchema";
export * from "./schemas/OperationSchema";
export * from "./schemas/operation";
export * from "./schemas/ErrorSchema";
export * from "./schemas/NormalizedSchema";
export * from "./schemas/Schema";
export * from "./schemas/SimpleSchema";
export * from "./schemas/StructureSchema";
export * from "./schemas/sentinels";
export * from "./schemas/translateTraits";
export * from "./TypeRegistry";

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import { schemaDeserializationMiddleware } from "./schemaDeserializationMiddleware";
import { schemaSerializationMiddleware } from "./schemaSerializationMiddleware";
export const deserializerMiddlewareOption = {
name: "deserializerMiddleware",
step: "deserialize",
tags: ["DESERIALIZER"],
override: true,
};
export const serializerMiddlewareOption = {
name: "serializerMiddleware",
step: "serialize",
tags: ["SERIALIZER"],
override: true,
};
export function getSchemaSerdePlugin(config) {
return {
applyToStack: (commandStack) => {
commandStack.add(schemaSerializationMiddleware(config), serializerMiddlewareOption);
commandStack.add(schemaDeserializationMiddleware(config), deserializerMiddlewareOption);
config.protocol.setSerdeContext(config);
},
};
}

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export {};

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import { HttpResponse } from "@smithy/protocol-http";
import { getSmithyContext } from "@smithy/util-middleware";
import { operation } from "../schemas/operation";
export const schemaDeserializationMiddleware = (config) => (next, context) => async (args) => {
const { response } = await next(args);
const { operationSchema } = getSmithyContext(context);
const [, ns, n, t, i, o] = operationSchema ?? [];
try {
const parsed = await config.protocol.deserializeResponse(operation(ns, n, t, i, o), {
...config,
...context,
}, response);
return {
response,
output: parsed,
};
}
catch (error) {
Object.defineProperty(error, "$response", {
value: response,
enumerable: false,
writable: false,
configurable: false,
});
if (!("$metadata" in error)) {
const hint = `Deserialization error: to see the raw response, inspect the hidden field {error}.$response on this object.`;
try {
error.message += "\n " + hint;
}
catch (e) {
if (!context.logger || context.logger?.constructor?.name === "NoOpLogger") {
console.warn(hint);
}
else {
context.logger?.warn?.(hint);
}
}
if (typeof error.$responseBodyText !== "undefined") {
if (error.$response) {
error.$response.body = error.$responseBodyText;
}
}
try {
if (HttpResponse.isInstance(response)) {
const { headers = {} } = response;
const headerEntries = Object.entries(headers);
error.$metadata = {
httpStatusCode: response.statusCode,
requestId: findHeader(/^x-[\w-]+-request-?id$/, headerEntries),
extendedRequestId: findHeader(/^x-[\w-]+-id-2$/, headerEntries),
cfId: findHeader(/^x-[\w-]+-cf-id$/, headerEntries),
};
}
}
catch (e) {
}
}
throw error;
}
};
const findHeader = (pattern, headers) => {
return (headers.find(([k]) => {
return k.match(pattern);
}) || [void 0, void 1])[1];
};

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import { toEndpointV1 } from "@smithy/core/endpoints";
import { getSmithyContext } from "@smithy/util-middleware";
import { operation } from "../schemas/operation";
export const schemaSerializationMiddleware = (config) => (next, context) => async (args) => {
const { operationSchema } = getSmithyContext(context);
const [, ns, n, t, i, o] = operationSchema ?? [];
const endpoint = context.endpointV2
? async () => toEndpointV1(context.endpointV2)
: config.endpoint;
const request = await config.protocol.serializeRequest(operation(ns, n, t, i, o), args.input, {
...config,
...context,
endpoint,
});
return next({
...args,
request,
});
};

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import { Schema } from "./Schema";
import { StructureSchema } from "./StructureSchema";
export class ErrorSchema extends StructureSchema {
static symbol = Symbol.for("@smithy/err");
ctor;
symbol = ErrorSchema.symbol;
}
export const error = (namespace, name, traits, memberNames, memberList, ctor) => Schema.assign(new ErrorSchema(), {
name,
namespace,
traits,
memberNames,
memberList,
ctor: null,
});

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import { Schema } from "./Schema";
export class ListSchema extends Schema {
static symbol = Symbol.for("@smithy/lis");
name;
traits;
valueSchema;
symbol = ListSchema.symbol;
}
export const list = (namespace, name, traits, valueSchema) => Schema.assign(new ListSchema(), {
name,
namespace,
traits,
valueSchema,
});

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import { Schema } from "./Schema";
export class MapSchema extends Schema {
static symbol = Symbol.for("@smithy/map");
name;
traits;
keySchema;
valueSchema;
symbol = MapSchema.symbol;
}
export const map = (namespace, name, traits, keySchema, valueSchema) => Schema.assign(new MapSchema(), {
name,
namespace,
traits,
keySchema,
valueSchema,
});

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import { deref } from "../deref";
import { translateTraits } from "./translateTraits";
const anno = {
it: Symbol.for("@smithy/nor-struct-it"),
ns: Symbol.for("@smithy/ns"),
};
export const simpleSchemaCacheN = [];
export const simpleSchemaCacheS = {};
export class NormalizedSchema {
ref;
memberName;
static symbol = Symbol.for("@smithy/nor");
symbol = NormalizedSchema.symbol;
name;
schema;
_isMemberSchema;
traits;
memberTraits;
normalizedTraits;
constructor(ref, memberName) {
this.ref = ref;
this.memberName = memberName;
const traitStack = [];
let _ref = ref;
let schema = ref;
this._isMemberSchema = false;
while (isMemberSchema(_ref)) {
traitStack.push(_ref[1]);
_ref = _ref[0];
schema = deref(_ref);
this._isMemberSchema = true;
}
if (traitStack.length > 0) {
this.memberTraits = {};
for (let i = traitStack.length - 1; i >= 0; --i) {
const traitSet = traitStack[i];
Object.assign(this.memberTraits, translateTraits(traitSet));
}
}
else {
this.memberTraits = 0;
}
if (schema instanceof NormalizedSchema) {
const computedMemberTraits = this.memberTraits;
Object.assign(this, schema);
this.memberTraits = Object.assign({}, computedMemberTraits, schema.getMemberTraits(), this.getMemberTraits());
this.normalizedTraits = void 0;
this.memberName = memberName ?? schema.memberName;
return;
}
this.schema = deref(schema);
if (isStaticSchema(this.schema)) {
this.name = `${this.schema[1]}#${this.schema[2]}`;
this.traits = this.schema[3];
}
else {
this.name = this.memberName ?? String(schema);
this.traits = 0;
}
if (this._isMemberSchema && !memberName) {
throw new Error(`@smithy/core/schema - NormalizedSchema member init ${this.getName(true)} missing member name.`);
}
}
static [Symbol.hasInstance](lhs) {
const isPrototype = this.prototype.isPrototypeOf(lhs);
if (!isPrototype && typeof lhs === "object" && lhs !== null) {
const ns = lhs;
return ns.symbol === this.symbol;
}
return isPrototype;
}
static of(ref) {
const keyAble = typeof ref === "function" || (typeof ref === "object" && ref !== null);
if (typeof ref === "number") {
if (simpleSchemaCacheN[ref]) {
return simpleSchemaCacheN[ref];
}
}
else if (typeof ref === "string") {
if (simpleSchemaCacheS[ref]) {
return simpleSchemaCacheS[ref];
}
}
else if (keyAble) {
if (ref[anno.ns]) {
return ref[anno.ns];
}
}
const sc = deref(ref);
if (sc instanceof NormalizedSchema) {
return sc;
}
if (isMemberSchema(sc)) {
const [ns, traits] = sc;
if (ns instanceof NormalizedSchema) {
Object.assign(ns.getMergedTraits(), translateTraits(traits));
return ns;
}
throw new Error(`@smithy/core/schema - may not init unwrapped member schema=${JSON.stringify(ref, null, 2)}.`);
}
const ns = new NormalizedSchema(sc);
if (keyAble) {
return (ref[anno.ns] = ns);
}
if (typeof sc === "string") {
return (simpleSchemaCacheS[sc] = ns);
}
if (typeof sc === "number") {
return (simpleSchemaCacheN[sc] = ns);
}
return ns;
}
getSchema() {
const sc = this.schema;
if (Array.isArray(sc) && sc[0] === 0) {
return sc[4];
}
return sc;
}
getName(withNamespace = false) {
const { name } = this;
const short = !withNamespace && name && name.includes("#");
return short ? name.split("#")[1] : name || undefined;
}
getMemberName() {
return this.memberName;
}
isMemberSchema() {
return this._isMemberSchema;
}
isListSchema() {
const sc = this.getSchema();
return typeof sc === "number"
? sc >= 64 && sc < 128
: sc[0] === 1;
}
isMapSchema() {
const sc = this.getSchema();
return typeof sc === "number"
? sc >= 128 && sc <= 0b1111_1111
: sc[0] === 2;
}
isStructSchema() {
const sc = this.getSchema();
if (typeof sc !== "object") {
return false;
}
const id = sc[0];
return (id === 3 ||
id === -3 ||
id === 4);
}
isUnionSchema() {
const sc = this.getSchema();
if (typeof sc !== "object") {
return false;
}
return sc[0] === 4;
}
isBlobSchema() {
const sc = this.getSchema();
return sc === 21 || sc === 42;
}
isTimestampSchema() {
const sc = this.getSchema();
return (typeof sc === "number" &&
sc >= 4 &&
sc <= 7);
}
isUnitSchema() {
return this.getSchema() === "unit";
}
isDocumentSchema() {
return this.getSchema() === 15;
}
isStringSchema() {
return this.getSchema() === 0;
}
isBooleanSchema() {
return this.getSchema() === 2;
}
isNumericSchema() {
return this.getSchema() === 1;
}
isBigIntegerSchema() {
return this.getSchema() === 17;
}
isBigDecimalSchema() {
return this.getSchema() === 19;
}
isStreaming() {
const { streaming } = this.getMergedTraits();
return !!streaming || this.getSchema() === 42;
}
isIdempotencyToken() {
return !!this.getMergedTraits().idempotencyToken;
}
getMergedTraits() {
return (this.normalizedTraits ??
(this.normalizedTraits = {
...this.getOwnTraits(),
...this.getMemberTraits(),
}));
}
getMemberTraits() {
return translateTraits(this.memberTraits);
}
getOwnTraits() {
return translateTraits(this.traits);
}
getKeySchema() {
const [isDoc, isMap] = [this.isDocumentSchema(), this.isMapSchema()];
if (!isDoc && !isMap) {
throw new Error(`@smithy/core/schema - cannot get key for non-map: ${this.getName(true)}`);
}
const schema = this.getSchema();
const memberSchema = isDoc
? 15
: schema[4] ?? 0;
return member([memberSchema, 0], "key");
}
getValueSchema() {
const sc = this.getSchema();
const [isDoc, isMap, isList] = [this.isDocumentSchema(), this.isMapSchema(), this.isListSchema()];
const memberSchema = typeof sc === "number"
? 0b0011_1111 & sc
: sc && typeof sc === "object" && (isMap || isList)
? sc[3 + sc[0]]
: isDoc
? 15
: void 0;
if (memberSchema != null) {
return member([memberSchema, 0], isMap ? "value" : "member");
}
throw new Error(`@smithy/core/schema - ${this.getName(true)} has no value member.`);
}
getMemberSchema(memberName) {
const struct = this.getSchema();
if (this.isStructSchema() && struct[4].includes(memberName)) {
const i = struct[4].indexOf(memberName);
const memberSchema = struct[5][i];
return member(isMemberSchema(memberSchema) ? memberSchema : [memberSchema, 0], memberName);
}
if (this.isDocumentSchema()) {
return member([15, 0], memberName);
}
throw new Error(`@smithy/core/schema - ${this.getName(true)} has no member=${memberName}.`);
}
getMemberSchemas() {
const buffer = {};
try {
for (const [k, v] of this.structIterator()) {
buffer[k] = v;
}
}
catch (ignored) { }
return buffer;
}
getEventStreamMember() {
if (this.isStructSchema()) {
for (const [memberName, memberSchema] of this.structIterator()) {
if (memberSchema.isStreaming() && memberSchema.isStructSchema()) {
return memberName;
}
}
}
return "";
}
*structIterator() {
if (this.isUnitSchema()) {
return;
}
if (!this.isStructSchema()) {
throw new Error("@smithy/core/schema - cannot iterate non-struct schema.");
}
const struct = this.getSchema();
const z = struct[4].length;
let it = struct[anno.it];
if (it && z === it.length) {
yield* it;
return;
}
it = Array(z);
for (let i = 0; i < z; ++i) {
const k = struct[4][i];
const v = member([struct[5][i], 0], k);
yield (it[i] = [k, v]);
}
struct[anno.it] = it;
}
}
function member(memberSchema, memberName) {
if (memberSchema instanceof NormalizedSchema) {
return Object.assign(memberSchema, {
memberName,
_isMemberSchema: true,
});
}
const internalCtorAccess = NormalizedSchema;
return new internalCtorAccess(memberSchema, memberName);
}
const isMemberSchema = (sc) => Array.isArray(sc) && sc.length === 2;
export const isStaticSchema = (sc) => Array.isArray(sc) && sc.length >= 5;

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import { Schema } from "./Schema";
export class OperationSchema extends Schema {
static symbol = Symbol.for("@smithy/ope");
name;
traits;
input;
output;
symbol = OperationSchema.symbol;
}
export const op = (namespace, name, traits, input, output) => Schema.assign(new OperationSchema(), {
name,
namespace,
traits,
input,
output,
});

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@@ -0,0 +1,20 @@
export class Schema {
name;
namespace;
traits;
static assign(instance, values) {
const schema = Object.assign(instance, values);
return schema;
}
static [Symbol.hasInstance](lhs) {
const isPrototype = this.prototype.isPrototypeOf(lhs);
if (!isPrototype && typeof lhs === "object" && lhs !== null) {
const list = lhs;
return list.symbol === this.symbol;
}
return isPrototype;
}
getName() {
return this.namespace + "#" + this.name;
}
}

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@@ -0,0 +1,20 @@
import { Schema } from "./Schema";
export class SimpleSchema extends Schema {
static symbol = Symbol.for("@smithy/sim");
name;
schemaRef;
traits;
symbol = SimpleSchema.symbol;
}
export const sim = (namespace, name, schemaRef, traits) => Schema.assign(new SimpleSchema(), {
name,
namespace,
traits,
schemaRef,
});
export const simAdapter = (namespace, name, traits, schemaRef) => Schema.assign(new SimpleSchema(), {
name,
namespace,
traits,
schemaRef,
});

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import { Schema } from "./Schema";
export class StructureSchema extends Schema {
static symbol = Symbol.for("@smithy/str");
name;
traits;
memberNames;
memberList;
symbol = StructureSchema.symbol;
}
export const struct = (namespace, name, traits, memberNames, memberList) => Schema.assign(new StructureSchema(), {
name,
namespace,
traits,
memberNames,
memberList,
});

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export const operation = (namespace, name, traits, input, output) => ({
name,
namespace,
traits,
input,
output,
});

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export const SCHEMA = {
BLOB: 0b0001_0101,
STREAMING_BLOB: 0b0010_1010,
BOOLEAN: 0b0000_0010,
STRING: 0b0000_0000,
NUMERIC: 0b0000_0001,
BIG_INTEGER: 0b0001_0001,
BIG_DECIMAL: 0b0001_0011,
DOCUMENT: 0b0000_1111,
TIMESTAMP_DEFAULT: 0b0000_0100,
TIMESTAMP_DATE_TIME: 0b0000_0101,
TIMESTAMP_HTTP_DATE: 0b0000_0110,
TIMESTAMP_EPOCH_SECONDS: 0b0000_0111,
LIST_MODIFIER: 0b0100_0000,
MAP_MODIFIER: 0b1000_0000,
};

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@@ -0,0 +1,26 @@
export const traitsCache = [];
export function translateTraits(indicator) {
if (typeof indicator === "object") {
return indicator;
}
indicator = indicator | 0;
if (traitsCache[indicator]) {
return traitsCache[indicator];
}
const traits = {};
let i = 0;
for (const trait of [
"httpLabel",
"idempotent",
"idempotencyToken",
"sensitive",
"httpPayload",
"httpResponseCode",
"httpQueryParams",
]) {
if (((indicator >> i++) & 1) === 1) {
traits[trait] = 1;
}
}
return (traitsCache[indicator] = traits);
}

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export const copyDocumentWithTransform = (source, schemaRef, transform = (_) => _) => source;

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import { strictParseByte, strictParseDouble, strictParseFloat32, strictParseShort } from "./parse-utils";
const DAYS = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
const MONTHS = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
export function dateToUtcString(date) {
const year = date.getUTCFullYear();
const month = date.getUTCMonth();
const dayOfWeek = date.getUTCDay();
const dayOfMonthInt = date.getUTCDate();
const hoursInt = date.getUTCHours();
const minutesInt = date.getUTCMinutes();
const secondsInt = date.getUTCSeconds();
const dayOfMonthString = dayOfMonthInt < 10 ? `0${dayOfMonthInt}` : `${dayOfMonthInt}`;
const hoursString = hoursInt < 10 ? `0${hoursInt}` : `${hoursInt}`;
const minutesString = minutesInt < 10 ? `0${minutesInt}` : `${minutesInt}`;
const secondsString = secondsInt < 10 ? `0${secondsInt}` : `${secondsInt}`;
return `${DAYS[dayOfWeek]}, ${dayOfMonthString} ${MONTHS[month]} ${year} ${hoursString}:${minutesString}:${secondsString} GMT`;
}
const RFC3339 = new RegExp(/^(\d{4})-(\d{2})-(\d{2})[tT](\d{2}):(\d{2}):(\d{2})(?:\.(\d+))?[zZ]$/);
export const parseRfc3339DateTime = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value !== "string") {
throw new TypeError("RFC-3339 date-times must be expressed as strings");
}
const match = RFC3339.exec(value);
if (!match) {
throw new TypeError("Invalid RFC-3339 date-time value");
}
const [_, yearStr, monthStr, dayStr, hours, minutes, seconds, fractionalMilliseconds] = match;
const year = strictParseShort(stripLeadingZeroes(yearStr));
const month = parseDateValue(monthStr, "month", 1, 12);
const day = parseDateValue(dayStr, "day", 1, 31);
return buildDate(year, month, day, { hours, minutes, seconds, fractionalMilliseconds });
};
const RFC3339_WITH_OFFSET = new RegExp(/^(\d{4})-(\d{2})-(\d{2})[tT](\d{2}):(\d{2}):(\d{2})(?:\.(\d+))?(([-+]\d{2}\:\d{2})|[zZ])$/);
export const parseRfc3339DateTimeWithOffset = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value !== "string") {
throw new TypeError("RFC-3339 date-times must be expressed as strings");
}
const match = RFC3339_WITH_OFFSET.exec(value);
if (!match) {
throw new TypeError("Invalid RFC-3339 date-time value");
}
const [_, yearStr, monthStr, dayStr, hours, minutes, seconds, fractionalMilliseconds, offsetStr] = match;
const year = strictParseShort(stripLeadingZeroes(yearStr));
const month = parseDateValue(monthStr, "month", 1, 12);
const day = parseDateValue(dayStr, "day", 1, 31);
const date = buildDate(year, month, day, { hours, minutes, seconds, fractionalMilliseconds });
if (offsetStr.toUpperCase() != "Z") {
date.setTime(date.getTime() - parseOffsetToMilliseconds(offsetStr));
}
return date;
};
const IMF_FIXDATE = new RegExp(/^(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun), (\d{2}) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) (\d{4}) (\d{1,2}):(\d{2}):(\d{2})(?:\.(\d+))? GMT$/);
const RFC_850_DATE = new RegExp(/^(?:Monday|Tuesday|Wednesday|Thursday|Friday|Saturday|Sunday), (\d{2})-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)-(\d{2}) (\d{1,2}):(\d{2}):(\d{2})(?:\.(\d+))? GMT$/);
const ASC_TIME = new RegExp(/^(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun) (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) ( [1-9]|\d{2}) (\d{1,2}):(\d{2}):(\d{2})(?:\.(\d+))? (\d{4})$/);
export const parseRfc7231DateTime = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value !== "string") {
throw new TypeError("RFC-7231 date-times must be expressed as strings");
}
let match = IMF_FIXDATE.exec(value);
if (match) {
const [_, dayStr, monthStr, yearStr, hours, minutes, seconds, fractionalMilliseconds] = match;
return buildDate(strictParseShort(stripLeadingZeroes(yearStr)), parseMonthByShortName(monthStr), parseDateValue(dayStr, "day", 1, 31), { hours, minutes, seconds, fractionalMilliseconds });
}
match = RFC_850_DATE.exec(value);
if (match) {
const [_, dayStr, monthStr, yearStr, hours, minutes, seconds, fractionalMilliseconds] = match;
return adjustRfc850Year(buildDate(parseTwoDigitYear(yearStr), parseMonthByShortName(monthStr), parseDateValue(dayStr, "day", 1, 31), {
hours,
minutes,
seconds,
fractionalMilliseconds,
}));
}
match = ASC_TIME.exec(value);
if (match) {
const [_, monthStr, dayStr, hours, minutes, seconds, fractionalMilliseconds, yearStr] = match;
return buildDate(strictParseShort(stripLeadingZeroes(yearStr)), parseMonthByShortName(monthStr), parseDateValue(dayStr.trimLeft(), "day", 1, 31), { hours, minutes, seconds, fractionalMilliseconds });
}
throw new TypeError("Invalid RFC-7231 date-time value");
};
export const parseEpochTimestamp = (value) => {
if (value === null || value === undefined) {
return undefined;
}
let valueAsDouble;
if (typeof value === "number") {
valueAsDouble = value;
}
else if (typeof value === "string") {
valueAsDouble = strictParseDouble(value);
}
else if (typeof value === "object" && value.tag === 1) {
valueAsDouble = value.value;
}
else {
throw new TypeError("Epoch timestamps must be expressed as floating point numbers or their string representation");
}
if (Number.isNaN(valueAsDouble) || valueAsDouble === Infinity || valueAsDouble === -Infinity) {
throw new TypeError("Epoch timestamps must be valid, non-Infinite, non-NaN numerics");
}
return new Date(Math.round(valueAsDouble * 1000));
};
const buildDate = (year, month, day, time) => {
const adjustedMonth = month - 1;
validateDayOfMonth(year, adjustedMonth, day);
return new Date(Date.UTC(year, adjustedMonth, day, parseDateValue(time.hours, "hour", 0, 23), parseDateValue(time.minutes, "minute", 0, 59), parseDateValue(time.seconds, "seconds", 0, 60), parseMilliseconds(time.fractionalMilliseconds)));
};
const parseTwoDigitYear = (value) => {
const thisYear = new Date().getUTCFullYear();
const valueInThisCentury = Math.floor(thisYear / 100) * 100 + strictParseShort(stripLeadingZeroes(value));
if (valueInThisCentury < thisYear) {
return valueInThisCentury + 100;
}
return valueInThisCentury;
};
const FIFTY_YEARS_IN_MILLIS = 50 * 365 * 24 * 60 * 60 * 1000;
const adjustRfc850Year = (input) => {
if (input.getTime() - new Date().getTime() > FIFTY_YEARS_IN_MILLIS) {
return new Date(Date.UTC(input.getUTCFullYear() - 100, input.getUTCMonth(), input.getUTCDate(), input.getUTCHours(), input.getUTCMinutes(), input.getUTCSeconds(), input.getUTCMilliseconds()));
}
return input;
};
const parseMonthByShortName = (value) => {
const monthIdx = MONTHS.indexOf(value);
if (monthIdx < 0) {
throw new TypeError(`Invalid month: ${value}`);
}
return monthIdx + 1;
};
const DAYS_IN_MONTH = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
const validateDayOfMonth = (year, month, day) => {
let maxDays = DAYS_IN_MONTH[month];
if (month === 1 && isLeapYear(year)) {
maxDays = 29;
}
if (day > maxDays) {
throw new TypeError(`Invalid day for ${MONTHS[month]} in ${year}: ${day}`);
}
};
const isLeapYear = (year) => {
return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
};
const parseDateValue = (value, type, lower, upper) => {
const dateVal = strictParseByte(stripLeadingZeroes(value));
if (dateVal < lower || dateVal > upper) {
throw new TypeError(`${type} must be between ${lower} and ${upper}, inclusive`);
}
return dateVal;
};
const parseMilliseconds = (value) => {
if (value === null || value === undefined) {
return 0;
}
return strictParseFloat32("0." + value) * 1000;
};
const parseOffsetToMilliseconds = (value) => {
const directionStr = value[0];
let direction = 1;
if (directionStr == "+") {
direction = 1;
}
else if (directionStr == "-") {
direction = -1;
}
else {
throw new TypeError(`Offset direction, ${directionStr}, must be "+" or "-"`);
}
const hour = Number(value.substring(1, 3));
const minute = Number(value.substring(4, 6));
return direction * (hour * 60 + minute) * 60 * 1000;
};
const stripLeadingZeroes = (value) => {
let idx = 0;
while (idx < value.length - 1 && value.charAt(idx) === "0") {
idx++;
}
if (idx === 0) {
return value;
}
return value.slice(idx);
};

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import { v4 as generateIdempotencyToken } from "@smithy/uuid";
export { generateIdempotencyToken };

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export * from "./copyDocumentWithTransform";
export * from "./date-utils";
export * from "./generateIdempotencyToken";
export * from "./lazy-json";
export * from "./parse-utils";
export * from "./quote-header";
export * from "./schema-serde-lib/schema-date-utils";
export * from "./split-every";
export * from "./split-header";
export * from "./value/NumericValue";

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export const LazyJsonString = function LazyJsonString(val) {
const str = Object.assign(new String(val), {
deserializeJSON() {
return JSON.parse(String(val));
},
toString() {
return String(val);
},
toJSON() {
return String(val);
},
});
return str;
};
LazyJsonString.from = (object) => {
if (object && typeof object === "object" && (object instanceof LazyJsonString || "deserializeJSON" in object)) {
return object;
}
else if (typeof object === "string" || Object.getPrototypeOf(object) === String.prototype) {
return LazyJsonString(String(object));
}
return LazyJsonString(JSON.stringify(object));
};
LazyJsonString.fromObject = LazyJsonString.from;

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export const parseBoolean = (value) => {
switch (value) {
case "true":
return true;
case "false":
return false;
default:
throw new Error(`Unable to parse boolean value "${value}"`);
}
};
export const expectBoolean = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value === "number") {
if (value === 0 || value === 1) {
logger.warn(stackTraceWarning(`Expected boolean, got ${typeof value}: ${value}`));
}
if (value === 0) {
return false;
}
if (value === 1) {
return true;
}
}
if (typeof value === "string") {
const lower = value.toLowerCase();
if (lower === "false" || lower === "true") {
logger.warn(stackTraceWarning(`Expected boolean, got ${typeof value}: ${value}`));
}
if (lower === "false") {
return false;
}
if (lower === "true") {
return true;
}
}
if (typeof value === "boolean") {
return value;
}
throw new TypeError(`Expected boolean, got ${typeof value}: ${value}`);
};
export const expectNumber = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value === "string") {
const parsed = parseFloat(value);
if (!Number.isNaN(parsed)) {
if (String(parsed) !== String(value)) {
logger.warn(stackTraceWarning(`Expected number but observed string: ${value}`));
}
return parsed;
}
}
if (typeof value === "number") {
return value;
}
throw new TypeError(`Expected number, got ${typeof value}: ${value}`);
};
const MAX_FLOAT = Math.ceil(2 ** 127 * (2 - 2 ** -23));
export const expectFloat32 = (value) => {
const expected = expectNumber(value);
if (expected !== undefined && !Number.isNaN(expected) && expected !== Infinity && expected !== -Infinity) {
if (Math.abs(expected) > MAX_FLOAT) {
throw new TypeError(`Expected 32-bit float, got ${value}`);
}
}
return expected;
};
export const expectLong = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (Number.isInteger(value) && !Number.isNaN(value)) {
return value;
}
throw new TypeError(`Expected integer, got ${typeof value}: ${value}`);
};
export const expectInt = expectLong;
export const expectInt32 = (value) => expectSizedInt(value, 32);
export const expectShort = (value) => expectSizedInt(value, 16);
export const expectByte = (value) => expectSizedInt(value, 8);
const expectSizedInt = (value, size) => {
const expected = expectLong(value);
if (expected !== undefined && castInt(expected, size) !== expected) {
throw new TypeError(`Expected ${size}-bit integer, got ${value}`);
}
return expected;
};
const castInt = (value, size) => {
switch (size) {
case 32:
return Int32Array.of(value)[0];
case 16:
return Int16Array.of(value)[0];
case 8:
return Int8Array.of(value)[0];
}
};
export const expectNonNull = (value, location) => {
if (value === null || value === undefined) {
if (location) {
throw new TypeError(`Expected a non-null value for ${location}`);
}
throw new TypeError("Expected a non-null value");
}
return value;
};
export const expectObject = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value === "object" && !Array.isArray(value)) {
return value;
}
const receivedType = Array.isArray(value) ? "array" : typeof value;
throw new TypeError(`Expected object, got ${receivedType}: ${value}`);
};
export const expectString = (value) => {
if (value === null || value === undefined) {
return undefined;
}
if (typeof value === "string") {
return value;
}
if (["boolean", "number", "bigint"].includes(typeof value)) {
logger.warn(stackTraceWarning(`Expected string, got ${typeof value}: ${value}`));
return String(value);
}
throw new TypeError(`Expected string, got ${typeof value}: ${value}`);
};
export const expectUnion = (value) => {
if (value === null || value === undefined) {
return undefined;
}
const asObject = expectObject(value);
const setKeys = Object.entries(asObject)
.filter(([, v]) => v != null)
.map(([k]) => k);
if (setKeys.length === 0) {
throw new TypeError(`Unions must have exactly one non-null member. None were found.`);
}
if (setKeys.length > 1) {
throw new TypeError(`Unions must have exactly one non-null member. Keys ${setKeys} were not null.`);
}
return asObject;
};
export const strictParseDouble = (value) => {
if (typeof value == "string") {
return expectNumber(parseNumber(value));
}
return expectNumber(value);
};
export const strictParseFloat = strictParseDouble;
export const strictParseFloat32 = (value) => {
if (typeof value == "string") {
return expectFloat32(parseNumber(value));
}
return expectFloat32(value);
};
const NUMBER_REGEX = /(-?(?:0|[1-9]\d*)(?:\.\d+)?(?:[eE][+-]?\d+)?)|(-?Infinity)|(NaN)/g;
const parseNumber = (value) => {
const matches = value.match(NUMBER_REGEX);
if (matches === null || matches[0].length !== value.length) {
throw new TypeError(`Expected real number, got implicit NaN`);
}
return parseFloat(value);
};
export const limitedParseDouble = (value) => {
if (typeof value == "string") {
return parseFloatString(value);
}
return expectNumber(value);
};
export const handleFloat = limitedParseDouble;
export const limitedParseFloat = limitedParseDouble;
export const limitedParseFloat32 = (value) => {
if (typeof value == "string") {
return parseFloatString(value);
}
return expectFloat32(value);
};
const parseFloatString = (value) => {
switch (value) {
case "NaN":
return NaN;
case "Infinity":
return Infinity;
case "-Infinity":
return -Infinity;
default:
throw new Error(`Unable to parse float value: ${value}`);
}
};
export const strictParseLong = (value) => {
if (typeof value === "string") {
return expectLong(parseNumber(value));
}
return expectLong(value);
};
export const strictParseInt = strictParseLong;
export const strictParseInt32 = (value) => {
if (typeof value === "string") {
return expectInt32(parseNumber(value));
}
return expectInt32(value);
};
export const strictParseShort = (value) => {
if (typeof value === "string") {
return expectShort(parseNumber(value));
}
return expectShort(value);
};
export const strictParseByte = (value) => {
if (typeof value === "string") {
return expectByte(parseNumber(value));
}
return expectByte(value);
};
const stackTraceWarning = (message) => {
return String(new TypeError(message).stack || message)
.split("\n")
.slice(0, 5)
.filter((s) => !s.includes("stackTraceWarning"))
.join("\n");
};
export const logger = {
warn: console.warn,
};

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export function quoteHeader(part) {
if (part.includes(",") || part.includes('"')) {
part = `"${part.replace(/"/g, '\\"')}"`;
}
return part;
}

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const ddd = `(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun)(?:[ne|u?r]?s?day)?`;
const mmm = `(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)`;
const time = `(\\d?\\d):(\\d{2}):(\\d{2})(?:\\.(\\d+))?`;
const date = `(\\d?\\d)`;
const year = `(\\d{4})`;
const RFC3339_WITH_OFFSET = new RegExp(/^(\d{4})-(\d\d)-(\d\d)[tT](\d\d):(\d\d):(\d\d)(\.(\d+))?(([-+]\d\d:\d\d)|[zZ])$/);
const IMF_FIXDATE = new RegExp(`^${ddd}, ${date} ${mmm} ${year} ${time} GMT$`);
const RFC_850_DATE = new RegExp(`^${ddd}, ${date}-${mmm}-(\\d\\d) ${time} GMT$`);
const ASC_TIME = new RegExp(`^${ddd} ${mmm} ( [1-9]|\\d\\d) ${time} ${year}$`);
const months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
export const _parseEpochTimestamp = (value) => {
if (value == null) {
return void 0;
}
let num = NaN;
if (typeof value === "number") {
num = value;
}
else if (typeof value === "string") {
if (!/^-?\d*\.?\d+$/.test(value)) {
throw new TypeError(`parseEpochTimestamp - numeric string invalid.`);
}
num = Number.parseFloat(value);
}
else if (typeof value === "object" && value.tag === 1) {
num = value.value;
}
if (isNaN(num) || Math.abs(num) === Infinity) {
throw new TypeError("Epoch timestamps must be valid finite numbers.");
}
return new Date(Math.round(num * 1000));
};
export const _parseRfc3339DateTimeWithOffset = (value) => {
if (value == null) {
return void 0;
}
if (typeof value !== "string") {
throw new TypeError("RFC3339 timestamps must be strings");
}
const matches = RFC3339_WITH_OFFSET.exec(value);
if (!matches) {
throw new TypeError(`Invalid RFC3339 timestamp format ${value}`);
}
const [, yearStr, monthStr, dayStr, hours, minutes, seconds, , ms, offsetStr] = matches;
range(monthStr, 1, 12);
range(dayStr, 1, 31);
range(hours, 0, 23);
range(minutes, 0, 59);
range(seconds, 0, 60);
const date = new Date(Date.UTC(Number(yearStr), Number(monthStr) - 1, Number(dayStr), Number(hours), Number(minutes), Number(seconds), Number(ms) ? Math.round(parseFloat(`0.${ms}`) * 1000) : 0));
date.setUTCFullYear(Number(yearStr));
if (offsetStr.toUpperCase() != "Z") {
const [, sign, offsetH, offsetM] = /([+-])(\d\d):(\d\d)/.exec(offsetStr) || [void 0, "+", 0, 0];
const scalar = sign === "-" ? 1 : -1;
date.setTime(date.getTime() + scalar * (Number(offsetH) * 60 * 60 * 1000 + Number(offsetM) * 60 * 1000));
}
return date;
};
export const _parseRfc7231DateTime = (value) => {
if (value == null) {
return void 0;
}
if (typeof value !== "string") {
throw new TypeError("RFC7231 timestamps must be strings.");
}
let day;
let month;
let year;
let hour;
let minute;
let second;
let fraction;
let matches;
if ((matches = IMF_FIXDATE.exec(value))) {
[, day, month, year, hour, minute, second, fraction] = matches;
}
else if ((matches = RFC_850_DATE.exec(value))) {
[, day, month, year, hour, minute, second, fraction] = matches;
year = (Number(year) + 1900).toString();
}
else if ((matches = ASC_TIME.exec(value))) {
[, month, day, hour, minute, second, fraction, year] = matches;
}
if (year && second) {
const timestamp = Date.UTC(Number(year), months.indexOf(month), Number(day), Number(hour), Number(minute), Number(second), fraction ? Math.round(parseFloat(`0.${fraction}`) * 1000) : 0);
range(day, 1, 31);
range(hour, 0, 23);
range(minute, 0, 59);
range(second, 0, 60);
const date = new Date(timestamp);
date.setUTCFullYear(Number(year));
return date;
}
throw new TypeError(`Invalid RFC7231 date-time value ${value}.`);
};
function range(v, min, max) {
const _v = Number(v);
if (_v < min || _v > max) {
throw new Error(`Value ${_v} out of range [${min}, ${max}]`);
}
}

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export function splitEvery(value, delimiter, numDelimiters) {
if (numDelimiters <= 0 || !Number.isInteger(numDelimiters)) {
throw new Error("Invalid number of delimiters (" + numDelimiters + ") for splitEvery.");
}
const segments = value.split(delimiter);
if (numDelimiters === 1) {
return segments;
}
const compoundSegments = [];
let currentSegment = "";
for (let i = 0; i < segments.length; i++) {
if (currentSegment === "") {
currentSegment = segments[i];
}
else {
currentSegment += delimiter + segments[i];
}
if ((i + 1) % numDelimiters === 0) {
compoundSegments.push(currentSegment);
currentSegment = "";
}
}
if (currentSegment !== "") {
compoundSegments.push(currentSegment);
}
return compoundSegments;
}

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export const splitHeader = (value) => {
const z = value.length;
const values = [];
let withinQuotes = false;
let prevChar = undefined;
let anchor = 0;
for (let i = 0; i < z; ++i) {
const char = value[i];
switch (char) {
case `"`:
if (prevChar !== "\\") {
withinQuotes = !withinQuotes;
}
break;
case ",":
if (!withinQuotes) {
values.push(value.slice(anchor, i));
anchor = i + 1;
}
break;
default:
}
prevChar = char;
}
values.push(value.slice(anchor));
return values.map((v) => {
v = v.trim();
const z = v.length;
if (z < 2) {
return v;
}
if (v[0] === `"` && v[z - 1] === `"`) {
v = v.slice(1, z - 1);
}
return v.replace(/\\"/g, '"');
});
};

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const format = /^-?\d*(\.\d+)?$/;
export class NumericValue {
string;
type;
constructor(string, type) {
this.string = string;
this.type = type;
if (!format.test(string)) {
throw new Error(`@smithy/core/serde - NumericValue must only contain [0-9], at most one decimal point ".", and an optional negation prefix "-".`);
}
}
toString() {
return this.string;
}
static [Symbol.hasInstance](object) {
if (!object || typeof object !== "object") {
return false;
}
const _nv = object;
return NumericValue.prototype.isPrototypeOf(object) || (_nv.type === "bigDecimal" && format.test(_nv.string));
}
}
export function nv(input) {
return new NumericValue(String(input), "bigDecimal");
}

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export class DefaultIdentityProviderConfig {
authSchemes = new Map();
constructor(config) {
for (const [key, value] of Object.entries(config)) {
if (value !== undefined) {
this.authSchemes.set(key, value);
}
}
}
getIdentityProvider(schemeId) {
return this.authSchemes.get(schemeId);
}
}

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import { HttpRequest } from "@smithy/protocol-http";
import { HttpApiKeyAuthLocation } from "@smithy/types";
export class HttpApiKeyAuthSigner {
async sign(httpRequest, identity, signingProperties) {
if (!signingProperties) {
throw new Error("request could not be signed with `apiKey` since the `name` and `in` signer properties are missing");
}
if (!signingProperties.name) {
throw new Error("request could not be signed with `apiKey` since the `name` signer property is missing");
}
if (!signingProperties.in) {
throw new Error("request could not be signed with `apiKey` since the `in` signer property is missing");
}
if (!identity.apiKey) {
throw new Error("request could not be signed with `apiKey` since the `apiKey` is not defined");
}
const clonedRequest = HttpRequest.clone(httpRequest);
if (signingProperties.in === HttpApiKeyAuthLocation.QUERY) {
clonedRequest.query[signingProperties.name] = identity.apiKey;
}
else if (signingProperties.in === HttpApiKeyAuthLocation.HEADER) {
clonedRequest.headers[signingProperties.name] = signingProperties.scheme
? `${signingProperties.scheme} ${identity.apiKey}`
: identity.apiKey;
}
else {
throw new Error("request can only be signed with `apiKey` locations `query` or `header`, " +
"but found: `" +
signingProperties.in +
"`");
}
return clonedRequest;
}
}

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import { HttpRequest } from "@smithy/protocol-http";
export class HttpBearerAuthSigner {
async sign(httpRequest, identity, signingProperties) {
const clonedRequest = HttpRequest.clone(httpRequest);
if (!identity.token) {
throw new Error("request could not be signed with `token` since the `token` is not defined");
}
clonedRequest.headers["Authorization"] = `Bearer ${identity.token}`;
return clonedRequest;
}
}

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export * from "./httpApiKeyAuth";
export * from "./httpBearerAuth";
export * from "./noAuth";

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export class NoAuthSigner {
async sign(httpRequest, identity, signingProperties) {
return httpRequest;
}
}

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@@ -0,0 +1,3 @@
export * from "./DefaultIdentityProviderConfig";
export * from "./httpAuthSchemes";
export * from "./memoizeIdentityProvider";

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export const createIsIdentityExpiredFunction = (expirationMs) => function isIdentityExpired(identity) {
return doesIdentityRequireRefresh(identity) && identity.expiration.getTime() - Date.now() < expirationMs;
};
export const EXPIRATION_MS = 300_000;
export const isIdentityExpired = createIsIdentityExpiredFunction(EXPIRATION_MS);
export const doesIdentityRequireRefresh = (identity) => identity.expiration !== undefined;
export const memoizeIdentityProvider = (provider, isExpired, requiresRefresh) => {
if (provider === undefined) {
return undefined;
}
const normalizedProvider = typeof provider !== "function" ? async () => Promise.resolve(provider) : provider;
let resolved;
let pending;
let hasResult;
let isConstant = false;
const coalesceProvider = async (options) => {
if (!pending) {
pending = normalizedProvider(options);
}
try {
resolved = await pending;
hasResult = true;
isConstant = false;
}
finally {
pending = undefined;
}
return resolved;
};
if (isExpired === undefined) {
return async (options) => {
if (!hasResult || options?.forceRefresh) {
resolved = await coalesceProvider(options);
}
return resolved;
};
}
return async (options) => {
if (!hasResult || options?.forceRefresh) {
resolved = await coalesceProvider(options);
}
if (isConstant) {
return resolved;
}
if (!requiresRefresh(resolved)) {
isConstant = true;
return resolved;
}
if (isExpired(resolved)) {
await coalesceProvider(options);
return resolved;
}
return resolved;
};
};