初始化环境文件

node_modules/@aws-sdk/middleware-sdk-s3/dist-es/s3-express/classes/SignatureV4S3Express.js

@@ -0,0 +1,41 @@
+import { SignatureV4 } from "@smithy/signature-v4";
+import { SESSION_TOKEN_HEADER, SESSION_TOKEN_QUERY_PARAM } from "../constants";
+export class SignatureV4S3Express extends SignatureV4 {
+    async signWithCredentials(requestToSign, credentials, options) {
+        const credentialsWithoutSessionToken = getCredentialsWithoutSessionToken(credentials);
+        requestToSign.headers[SESSION_TOKEN_HEADER] = credentials.sessionToken;
+        const privateAccess = this;
+        setSingleOverride(privateAccess, credentialsWithoutSessionToken);
+        return privateAccess.signRequest(requestToSign, options ?? {});
+    }
+    async presignWithCredentials(requestToSign, credentials, options) {
+        const credentialsWithoutSessionToken = getCredentialsWithoutSessionToken(credentials);
+        delete requestToSign.headers[SESSION_TOKEN_HEADER];
+        requestToSign.headers[SESSION_TOKEN_QUERY_PARAM] = credentials.sessionToken;
+        requestToSign.query = requestToSign.query ?? {};
+        requestToSign.query[SESSION_TOKEN_QUERY_PARAM] = credentials.sessionToken;
+        const privateAccess = this;
+        setSingleOverride(privateAccess, credentialsWithoutSessionToken);
+        return this.presign(requestToSign, options);
+    }
+}
+function getCredentialsWithoutSessionToken(credentials) {
+    const credentialsWithoutSessionToken = {
+        accessKeyId: credentials.accessKeyId,
+        secretAccessKey: credentials.secretAccessKey,
+        expiration: credentials.expiration,
+    };
+    return credentialsWithoutSessionToken;
+}
+function setSingleOverride(privateAccess, credentialsWithoutSessionToken) {
+    const id = setTimeout(() => {
+        throw new Error("SignatureV4S3Express credential override was created but not called.");
+    }, 10);
+    const currentCredentialProvider = privateAccess.credentialProvider;
+    const overrideCredentialsProviderOnce = () => {
+        clearTimeout(id);
+        privateAccess.credentialProvider = currentCredentialProvider;
+        return Promise.resolve(credentialsWithoutSessionToken);
+    };
+    privateAccess.credentialProvider = overrideCredentialsProviderOnce;
+}