cdk-amazon-chime-resources
Version:
66 lines (65 loc) • 2.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.getUserAgentPlugin = exports.getUserAgentMiddlewareOptions = exports.userAgentMiddleware = void 0;
const protocol_http_1 = require("@aws-sdk/protocol-http");
const util_endpoints_1 = require("@aws-sdk/util-endpoints");
const constants_1 = require("./constants");
const userAgentMiddleware = (options) => (next, context) => async (args) => {
var _a, _b;
const { request } = args;
if (!protocol_http_1.HttpRequest.isInstance(request))
return next(args);
const { headers } = request;
const userAgent = ((_a = context === null || context === void 0 ? void 0 : context.userAgent) === null || _a === void 0 ? void 0 : _a.map(escapeUserAgent)) || [];
const defaultUserAgent = (await options.defaultUserAgentProvider()).map(escapeUserAgent);
const customUserAgent = ((_b = options === null || options === void 0 ? void 0 : options.customUserAgent) === null || _b === void 0 ? void 0 : _b.map(escapeUserAgent)) || [];
const prefix = (0, util_endpoints_1.getUserAgentPrefix)();
const sdkUserAgentValue = (prefix ? [prefix] : [])
.concat([...defaultUserAgent, ...userAgent, ...customUserAgent])
.join(constants_1.SPACE);
const normalUAValue = [
...defaultUserAgent.filter((section) => section.startsWith("aws-sdk-")),
...customUserAgent,
].join(constants_1.SPACE);
if (options.runtime !== "browser") {
if (normalUAValue) {
headers[constants_1.X_AMZ_USER_AGENT] = headers[constants_1.X_AMZ_USER_AGENT]
? `${headers[constants_1.USER_AGENT]} ${normalUAValue}`
: normalUAValue;
}
headers[constants_1.USER_AGENT] = sdkUserAgentValue;
}
else {
headers[constants_1.X_AMZ_USER_AGENT] = sdkUserAgentValue;
}
return next({
...args,
request,
});
};
exports.userAgentMiddleware = userAgentMiddleware;
const escapeUserAgent = ([name, version]) => {
const prefixSeparatorIndex = name.indexOf("/");
const prefix = name.substring(0, prefixSeparatorIndex);
let uaName = name.substring(prefixSeparatorIndex + 1);
if (prefix === "api") {
uaName = uaName.toLowerCase();
}
return [prefix, uaName, version]
.filter((item) => item && item.length > 0)
.map((item) => item === null || item === void 0 ? void 0 : item.replace(constants_1.UA_ESCAPE_REGEX, "_"))
.join("/");
};
exports.getUserAgentMiddlewareOptions = {
name: "getUserAgentMiddleware",
step: "build",
priority: "low",
tags: ["SET_USER_AGENT", "USER_AGENT"],
override: true,
};
const getUserAgentPlugin = (config) => ({
applyToStack: (clientStack) => {
clientStack.add((0, exports.userAgentMiddleware)(config), exports.getUserAgentMiddlewareOptions);
},
});
exports.getUserAgentPlugin = getUserAgentPlugin;