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aws/lambda-nodejs18.x/UpdateZulipStreams/node_modules/aws-sdk/lib/http.js

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+var AWS = require('./core');
+var inherit = AWS.util.inherit;
+
+/**
+ * The endpoint that a service will talk to, for example,
+ * `'https://ec2.ap-southeast-1.amazonaws.com'`. If
+ * you need to override an endpoint for a service, you can
+ * set the endpoint on a service by passing the endpoint
+ * object with the `endpoint` option key:
+ *
+ * ```javascript
+ * var ep = new AWS.Endpoint('awsproxy.example.com');
+ * var s3 = new AWS.S3({endpoint: ep});
+ * s3.service.endpoint.hostname == 'awsproxy.example.com'
+ * ```
+ *
+ * Note that if you do not specify a protocol, the protocol will
+ * be selected based on your current {AWS.config} configuration.
+ *
+ * @!attribute protocol
+ *   @return [String] the protocol (http or https) of the endpoint
+ *     URL
+ * @!attribute hostname
+ *   @return [String] the host portion of the endpoint, e.g.,
+ *     example.com
+ * @!attribute host
+ *   @return [String] the host portion of the endpoint including
+ *     the port, e.g., example.com:80
+ * @!attribute port
+ *   @return [Integer] the port of the endpoint
+ * @!attribute href
+ *   @return [String] the full URL of the endpoint
+ */
+AWS.Endpoint = inherit({
+
+  /**
+   * @overload Endpoint(endpoint)
+   *   Constructs a new endpoint given an endpoint URL. If the
+   *   URL omits a protocol (http or https), the default protocol
+   *   set in the global {AWS.config} will be used.
+   *   @param endpoint [String] the URL to construct an endpoint from
+   */
+  constructor: function Endpoint(endpoint, config) {
+    AWS.util.hideProperties(this, ['slashes', 'auth', 'hash', 'search', 'query']);
+
+    if (typeof endpoint === 'undefined' || endpoint === null) {
+      throw new Error('Invalid endpoint: ' + endpoint);
+    } else if (typeof endpoint !== 'string') {
+      return AWS.util.copy(endpoint);
+    }
+
+    if (!endpoint.match(/^http/)) {
+      var useSSL = config && config.sslEnabled !== undefined ?
+        config.sslEnabled : AWS.config.sslEnabled;
+      endpoint = (useSSL ? 'https' : 'http') + '://' + endpoint;
+    }
+
+    AWS.util.update(this, AWS.util.urlParse(endpoint));
+
+    // Ensure the port property is set as an integer
+    if (this.port) {
+      this.port = parseInt(this.port, 10);
+    } else {
+      this.port = this.protocol === 'https:' ? 443 : 80;
+    }
+  }
+
+});
+
+/**
+ * The low level HTTP request object, encapsulating all HTTP header
+ * and body data sent by a service request.
+ *
+ * @!attribute method
+ *   @return [String] the HTTP method of the request
+ * @!attribute path
+ *   @return [String] the path portion of the URI, e.g.,
+ *     "/list/?start=5&num=10"
+ * @!attribute headers
+ *   @return [map<String,String>]
+ *     a map of header keys and their respective values
+ * @!attribute body
+ *   @return [String] the request body payload
+ * @!attribute endpoint
+ *   @return [AWS.Endpoint] the endpoint for the request
+ * @!attribute region
+ *   @api private
+ *   @return [String] the region, for signing purposes only.
+ */
+AWS.HttpRequest = inherit({
+
+  /**
+   * @api private
+   */
+  constructor: function HttpRequest(endpoint, region) {
+    endpoint = new AWS.Endpoint(endpoint);
+    this.method = 'POST';
+    this.path = endpoint.path || '/';
+    this.headers = {};
+    this.body = '';
+    this.endpoint = endpoint;
+    this.region = region;
+    this._userAgent = '';
+    this.setUserAgent();
+  },
+
+  /**
+   * @api private
+   */
+  setUserAgent: function setUserAgent() {
+    this._userAgent = this.headers[this.getUserAgentHeaderName()] = AWS.util.userAgent();
+  },
+
+  getUserAgentHeaderName: function getUserAgentHeaderName() {
+    var prefix = AWS.util.isBrowser() ? 'X-Amz-' : '';
+    return prefix + 'User-Agent';
+  },
+
+  /**
+   * @api private
+   */
+  appendToUserAgent: function appendToUserAgent(agentPartial) {
+    if (typeof agentPartial === 'string' && agentPartial) {
+      this._userAgent += ' ' + agentPartial;
+    }
+    this.headers[this.getUserAgentHeaderName()] = this._userAgent;
+  },
+
+  /**
+   * @api private
+   */
+  getUserAgent: function getUserAgent() {
+    return this._userAgent;
+  },
+
+  /**
+   * @return [String] the part of the {path} excluding the
+   *   query string
+   */
+  pathname: function pathname() {
+    return this.path.split('?', 1)[0];
+  },
+
+  /**
+   * @return [String] the query string portion of the {path}
+   */
+  search: function search() {
+    var query = this.path.split('?', 2)[1];
+    if (query) {
+      query = AWS.util.queryStringParse(query);
+      return AWS.util.queryParamsToString(query);
+    }
+    return '';
+  },
+
+  /**
+   * @api private
+   * update httpRequest endpoint with endpoint string
+   */
+  updateEndpoint: function updateEndpoint(endpointStr) {
+    var newEndpoint = new AWS.Endpoint(endpointStr);
+    this.endpoint = newEndpoint;
+    this.path = newEndpoint.path || '/';
+    if (this.headers['Host']) {
+      this.headers['Host'] = newEndpoint.host;
+    }
+  }
+});
+
+/**
+ * The low level HTTP response object, encapsulating all HTTP header
+ * and body data returned from the request.
+ *
+ * @!attribute statusCode
+ *   @return [Integer] the HTTP status code of the response (e.g., 200, 404)
+ * @!attribute headers
+ *   @return [map<String,String>]
+ *      a map of response header keys and their respective values
+ * @!attribute body
+ *   @return [String] the response body payload
+ * @!attribute [r] streaming
+ *   @return [Boolean] whether this response is being streamed at a low-level.
+ *     Defaults to `false` (buffered reads). Do not modify this manually, use
+ *     {createUnbufferedStream} to convert the stream to unbuffered mode
+ *     instead.
+ */
+AWS.HttpResponse = inherit({
+
+  /**
+   * @api private
+   */
+  constructor: function HttpResponse() {
+    this.statusCode = undefined;
+    this.headers = {};
+    this.body = undefined;
+    this.streaming = false;
+    this.stream = null;
+  },
+
+  /**
+   * Disables buffering on the HTTP response and returns the stream for reading.
+   * @return [Stream, XMLHttpRequest, null] the underlying stream object.
+   *   Use this object to directly read data off of the stream.
+   * @note This object is only available after the {AWS.Request~httpHeaders}
+   *   event has fired. This method must be called prior to
+   *   {AWS.Request~httpData}.
+   * @example Taking control of a stream
+   *   request.on('httpHeaders', function(statusCode, headers) {
+   *     if (statusCode < 300) {
+   *       if (headers.etag === 'xyz') {
+   *         // pipe the stream, disabling buffering
+   *         var stream = this.response.httpResponse.createUnbufferedStream();
+   *         stream.pipe(process.stdout);
+   *       } else { // abort this request and set a better error message
+   *         this.abort();
+   *         this.response.error = new Error('Invalid ETag');
+   *       }
+   *     }
+   *   }).send(console.log);
+   */
+  createUnbufferedStream: function createUnbufferedStream() {
+    this.streaming = true;
+    return this.stream;
+  }
+});
+
+
+AWS.HttpClient = inherit({});
+
+/**
+ * @api private
+ */
+AWS.HttpClient.getInstance = function getInstance() {
+  if (this.singleton === undefined) {
+    this.singleton = new this();
+  }
+  return this.singleton;
+};