Initial

resources/app/node_modules/@smithy/credential-provider-imds/dist-es/fromContainerMetadata.js

@@ -0,0 +1,66 @@
+import { CredentialsProviderError } from "@smithy/property-provider";
+import { parse } from "url";
+import { httpRequest } from "./remoteProvider/httpRequest";
+import { fromImdsCredentials, isImdsCredentials } from "./remoteProvider/ImdsCredentials";
+import { providerConfigFromInit } from "./remoteProvider/RemoteProviderInit";
+import { retry } from "./remoteProvider/retry";
+export const ENV_CMDS_FULL_URI = "AWS_CONTAINER_CREDENTIALS_FULL_URI";
+export const ENV_CMDS_RELATIVE_URI = "AWS_CONTAINER_CREDENTIALS_RELATIVE_URI";
+export const ENV_CMDS_AUTH_TOKEN = "AWS_CONTAINER_AUTHORIZATION_TOKEN";
+export const fromContainerMetadata = (init = {}) => {
+    const { timeout, maxRetries } = providerConfigFromInit(init);
+    return () => retry(async () => {
+        const requestOptions = await getCmdsUri();
+        const credsResponse = JSON.parse(await requestFromEcsImds(timeout, requestOptions));
+        if (!isImdsCredentials(credsResponse)) {
+            throw new CredentialsProviderError("Invalid response received from instance metadata service.");
+        }
+        return fromImdsCredentials(credsResponse);
+    }, maxRetries);
+};
+const requestFromEcsImds = async (timeout, options) => {
+    if (process.env[ENV_CMDS_AUTH_TOKEN]) {
+        options.headers = {
+            ...options.headers,
+            Authorization: process.env[ENV_CMDS_AUTH_TOKEN],
+        };
+    }
+    const buffer = await httpRequest({
+        ...options,
+        timeout,
+    });
+    return buffer.toString();
+};
+const CMDS_IP = "169.254.170.2";
+const GREENGRASS_HOSTS = {
+    localhost: true,
+    "127.0.0.1": true,
+};
+const GREENGRASS_PROTOCOLS = {
+    "http:": true,
+    "https:": true,
+};
+const getCmdsUri = async () => {
+    if (process.env[ENV_CMDS_RELATIVE_URI]) {
+        return {
+            hostname: CMDS_IP,
+            path: process.env[ENV_CMDS_RELATIVE_URI],
+        };
+    }
+    if (process.env[ENV_CMDS_FULL_URI]) {
+        const parsed = parse(process.env[ENV_CMDS_FULL_URI]);
+        if (!parsed.hostname || !(parsed.hostname in GREENGRASS_HOSTS)) {
+            throw new CredentialsProviderError(`${parsed.hostname} is not a valid container metadata service hostname`, false);
+        }
+        if (!parsed.protocol || !(parsed.protocol in GREENGRASS_PROTOCOLS)) {
+            throw new CredentialsProviderError(`${parsed.protocol} is not a valid container metadata service protocol`, false);
+        }
+        return {
+            ...parsed,
+            port: parsed.port ? parseInt(parsed.port, 10) : undefined,
+        };
+    }
+    throw new CredentialsProviderError("The container metadata credential provider cannot be used unless" +
+        ` the ${ENV_CMDS_RELATIVE_URI} or ${ENV_CMDS_FULL_URI} environment` +
+        " variable is set", false);
+};