@chtsinc/ch-uploader
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A pluggable, cloud-agnostic file uploader for Azure, S3, and more.
110 lines (109 loc) • 5.05 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", { value: true });
exports.AzureBlobStorageUploader = void 0;
// src/providers/azure/AzureBlobStorageUploader.ts
const storage_blob_1 = require("@azure/storage-blob");
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const content_type_1 = require("../../utils/content-type");
const ch_logger_1 = require("@chtsinc/ch-logger");
class AzureBlobStorageUploader {
constructor() {
this.logger = (0, ch_logger_1.getLogger)();
}
/**
* Uploads a file to Azure Blob Storage.
* @param filePath - Local path to the file
* @param config - Configuration properties (must include SAS URL; optional: container name, retry count, retry delay)
* @param blobName - Optional blob name to use in storage; defaults to file name
* @param metadata - Optional metadata to set on the blob
*/
async upload(filePath, config, blobName, metadata = {}) {
this.logger.debug(`Checking if file exists at ${filePath}`);
if (!filePath || !fs.existsSync(filePath)) {
this.logger.error(`File does not exist at path ${filePath}. Skipping upload.`);
return null;
}
this.logger.debug(`File exists. Proceeding to upload: ${filePath}`);
const sasUrl = config["ch_azure_blob_sas_url"];
const containerName = config["ch_azure_blob_container_name"];
if (!sasUrl) {
this.logger.error("Azure Blob SAS URL is not provided in configuration.");
throw new Error("Azure Blob SAS URL is not provided in configuration.");
}
const maxRetries = parseInt(config["ch_upload_retry_count"] || "3", 10);
const retryDelayMs = parseInt(config["ch_upload_retry_delay"] || "1000", 10);
const pipelineOptions = {
retryOptions: {
maxTries: maxRetries,
retryDelayInMs: retryDelayMs,
retryPolicyType: storage_blob_1.StorageRetryPolicyType.EXPONENTIAL,
},
};
let containerClient;
if (containerName?.trim()) {
this.logger.debug(`Using container ${containerName} from config`);
const blobServiceClient = new storage_blob_1.BlobServiceClient(sasUrl, undefined, pipelineOptions);
containerClient = blobServiceClient.getContainerClient(containerName);
}
else {
this.logger.debug("Using container-scoped SAS URL");
containerClient = new storage_blob_1.ContainerClient(sasUrl, undefined, pipelineOptions);
}
const defaultName = path.basename(filePath);
const finalBlobName = blobName?.trim() ? blobName : defaultName;
const extension = path.extname(filePath).slice(1);
const blockBlobClient = containerClient.getBlockBlobClient(finalBlobName);
try {
const fileBuffer = fs.readFileSync(filePath);
this.logger.debug(`Uploading blob ${finalBlobName}`);
await blockBlobClient.uploadData(fileBuffer, {
blobHTTPHeaders: { blobContentType: this.getContentType(extension) },
metadata: Object.keys(metadata).length ? metadata : undefined,
});
this.logger.debug(`Successfully uploaded ${finalBlobName} to ${blockBlobClient.url}`);
}
catch (error) {
this.logger.error(`Uploading Failed for ${finalBlobName}`, error);
throw error;
}
return blockBlobClient.url;
}
getContentType(extension) {
return (0, content_type_1.getContentType)(extension);
}
}
exports.AzureBlobStorageUploader = AzureBlobStorageUploader;