UEA-Prodem

node_modules/@smithy/node-http-handler/dist-es/node-http2-handler.js

@@ -0,0 +1,173 @@
+import { HttpResponse, buildQueryString } from "@smithy/core/protocols";
+import { buildAbortError } from "./build-abort-error";
+import { getTransformedHeaders } from "./get-transformed-headers";
+import { node_http2 } from "./node-http2";
+import { NodeHttp2ConnectionManager } from "./node-http2-connection-manager";
+import { writeRequestBody } from "./write-request-body";
+const { constants } = node_http2;
+export class NodeHttp2Handler {
+    config;
+    configProvider;
+    metadata = { handlerProtocol: "h2" };
+    connectionManager = new NodeHttp2ConnectionManager({});
+    static create(instanceOrOptions) {
+        if (typeof instanceOrOptions?.handle === "function") {
+            return instanceOrOptions;
+        }
+        return new NodeHttp2Handler(instanceOrOptions);
+    }
+    constructor(options) {
+        this.configProvider = new Promise((resolve, reject) => {
+            if (typeof options === "function") {
+                options()
+                    .then((opts) => {
+                    resolve(opts || {});
+                })
+                    .catch(reject);
+            }
+            else {
+                resolve(options || {});
+            }
+        });
+    }
+    destroy() {
+        this.connectionManager.destroy();
+    }
+    async handle(request, { abortSignal, requestTimeout, isEventStream } = {}) {
+        if (!this.config) {
+            this.config = await this.configProvider;
+            const { disableConcurrentStreams, maxConcurrentStreams, nodeHttp2ConnectOptions } = this.config;
+            this.connectionManager.setDisableConcurrentStreams(disableConcurrentStreams ?? false);
+            if (maxConcurrentStreams) {
+                this.connectionManager.setMaxConcurrentStreams(maxConcurrentStreams);
+            }
+            if (nodeHttp2ConnectOptions) {
+                this.connectionManager.setNodeHttp2ConnectOptions(nodeHttp2ConnectOptions);
+            }
+        }
+        const { requestTimeout: configRequestTimeout, disableConcurrentStreams } = this.config;
+        const useIsolatedSession = disableConcurrentStreams || isEventStream;
+        const effectiveRequestTimeout = requestTimeout ?? configRequestTimeout;
+        return new Promise((_resolve, _reject) => {
+            let fulfilled = false;
+            let writeRequestBodyPromise = undefined;
+            const resolve = async (arg) => {
+                await writeRequestBodyPromise;
+                _resolve(arg);
+            };
+            const reject = async (arg) => {
+                await writeRequestBodyPromise;
+                _reject(arg);
+            };
+            if (abortSignal?.aborted) {
+                fulfilled = true;
+                const abortError = buildAbortError(abortSignal);
+                reject(abortError);
+                return;
+            }
+            const { hostname, method, port, protocol, query } = request;
+            let auth = "";
+            if (request.username != null || request.password != null) {
+                const username = request.username ?? "";
+                const password = request.password ?? "";
+                auth = `${username}:${password}@`;
+            }
+            const authority = `${protocol}//${auth}${hostname}${port ? `:${port}` : ""}`;
+            const requestContext = { destination: new URL(authority) };
+            const connectConfig = {
+                requestTimeout: this.config?.sessionTimeout,
+                isEventStream,
+            };
+            const ref = useIsolatedSession
+                ? this.connectionManager.createIsolatedSession(requestContext, connectConfig)
+                : this.connectionManager.lease(requestContext, connectConfig);
+            const session = ref.deref();
+            const rejectWithDestroy = (err) => {
+                if (useIsolatedSession) {
+                    ref.destroy();
+                }
+                fulfilled = true;
+                reject(err);
+            };
+            const queryString = query ? buildQueryString(query) : "";
+            let path = request.path;
+            if (queryString) {
+                path += `?${queryString}`;
+            }
+            if (request.fragment) {
+                path += `#${request.fragment}`;
+            }
+            const clientHttp2Stream = session.request({
+                ...request.headers,
+                [constants.HTTP2_HEADER_PATH]: path,
+                [constants.HTTP2_HEADER_METHOD]: method,
+            });
+            if (effectiveRequestTimeout) {
+                clientHttp2Stream.setTimeout(effectiveRequestTimeout, () => {
+                    clientHttp2Stream.close();
+                    const timeoutError = new Error(`Stream timed out because of no activity for ${effectiveRequestTimeout} ms`);
+                    timeoutError.name = "TimeoutError";
+                    rejectWithDestroy(timeoutError);
+                });
+            }
+            if (abortSignal) {
+                const onAbort = () => {
+                    clientHttp2Stream.close();
+                    const abortError = buildAbortError(abortSignal);
+                    rejectWithDestroy(abortError);
+                };
+                if (typeof abortSignal.addEventListener === "function") {
+                    const signal = abortSignal;
+                    signal.addEventListener("abort", onAbort, { once: true });
+                    clientHttp2Stream.once("close", () => signal.removeEventListener("abort", onAbort));
+                }
+                else {
+                    abortSignal.onabort = onAbort;
+                }
+            }
+            clientHttp2Stream.on("frameError", (type, code, id) => {
+                rejectWithDestroy(new Error(`Frame type id ${type} in stream id ${id} has failed with code ${code}.`));
+            });
+            clientHttp2Stream.on("error", rejectWithDestroy);
+            clientHttp2Stream.on("aborted", () => {
+                rejectWithDestroy(new Error(`HTTP/2 stream is abnormally aborted in mid-communication with result code ${clientHttp2Stream.rstCode}.`));
+            });
+            clientHttp2Stream.on("response", (headers) => {
+                const httpResponse = new HttpResponse({
+                    statusCode: headers[":status"] ?? -1,
+                    headers: getTransformedHeaders(headers),
+                    body: clientHttp2Stream,
+                });
+                fulfilled = true;
+                resolve({ response: httpResponse });
+                if (useIsolatedSession) {
+                    session.close();
+                }
+            });
+            clientHttp2Stream.on("close", () => {
+                if (useIsolatedSession) {
+                    ref.destroy();
+                }
+                else {
+                    this.connectionManager.release(requestContext, ref);
+                }
+                if (!fulfilled) {
+                    rejectWithDestroy(new Error("Unexpected error: http2 request did not get a response"));
+                }
+            });
+            writeRequestBodyPromise = writeRequestBody(clientHttp2Stream, request, effectiveRequestTimeout);
+        });
+    }
+    updateHttpClientConfig(key, value) {
+        this.config = undefined;
+        this.configProvider = this.configProvider.then((config) => {
+            return {
+                ...config,
+                [key]: value,
+            };
+        });
+    }
+    httpHandlerConfigs() {
+        return this.config ?? {};
+    }
+}