@aws-amplify/storage
Version:
Storage category of aws-amplify
60 lines (58 loc) • 2.71 kB
JavaScript
;
// Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
Object.defineProperty(exports, "__esModule", { value: true });
exports.downloadData = void 0;
const core_1 = require("@aws-amplify/core");
const utils_1 = require("@aws-amplify/core/internals/utils");
const resolveS3ConfigAndInput_1 = require("../../utils/resolveS3ConfigAndInput");
const utils_2 = require("../../utils");
const s3data_1 = require("../../utils/client/s3data");
const userAgent_1 = require("../../utils/userAgent");
const utils_3 = require("../../../../utils");
const constants_1 = require("../../utils/constants");
const downloadData = (input) => {
const abortController = new AbortController();
const downloadTask = (0, utils_2.createDownloadTask)({
job: downloadDataJob(input, abortController.signal),
onCancel: (message) => {
abortController.abort(message);
},
});
return downloadTask;
};
exports.downloadData = downloadData;
const downloadDataJob = (downloadDataInput, abortSignal) => async () => {
const { options: downloadDataOptions } = downloadDataInput;
const { bucket, keyPrefix, s3Config, identityId } = await (0, resolveS3ConfigAndInput_1.resolveS3ConfigAndInput)(core_1.Amplify, downloadDataInput);
const { inputType, objectKey } = (0, utils_2.validateStorageOperationInput)(downloadDataInput, identityId);
(0, utils_2.validateBucketOwnerID)(downloadDataOptions?.expectedBucketOwner);
const finalKey = inputType === constants_1.STORAGE_INPUT_KEY ? keyPrefix + objectKey : objectKey;
utils_3.logger.debug(`download ${objectKey} from ${finalKey}.`);
const { Body: body, LastModified: lastModified, ContentLength: size, ETag: eTag, Metadata: metadata, VersionId: versionId, ContentType: contentType, } = await (0, s3data_1.getObject)({
...s3Config,
abortSignal,
onDownloadProgress: downloadDataOptions?.onProgress,
userAgentValue: (0, userAgent_1.getStorageUserAgentValue)(utils_1.StorageAction.DownloadData),
}, {
Bucket: bucket,
Key: finalKey,
...(downloadDataOptions?.bytesRange && {
Range: `bytes=${downloadDataOptions.bytesRange.start}-${downloadDataOptions.bytesRange.end}`,
}),
ExpectedBucketOwner: downloadDataOptions?.expectedBucketOwner,
});
const result = {
body,
lastModified,
size,
contentType,
eTag,
metadata,
versionId,
};
return inputType === constants_1.STORAGE_INPUT_KEY
? { key: objectKey, ...result }
: { path: objectKey, ...result };
};
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