public BlobClient(string connectionString, string containerName, string accountName, string accountKey)
{
if (string.IsNullOrWhiteSpace(connectionString))
{
throw new System.ArgumentException($"'{nameof(connectionString)}' cannot be null or whitespace", nameof(connectionString));
}
if (string.IsNullOrWhiteSpace(containerName))
{
throw new System.ArgumentException($"'{nameof(containerName)}' cannot be null or whitespace", nameof(containerName));
}
if (string.IsNullOrWhiteSpace(accountName))
{
throw new ArgumentException($"'{nameof(accountName)}' cannot be null or whitespace", nameof(accountName));
}
if (string.IsNullOrWhiteSpace(accountKey))
{
throw new ArgumentException($"'{nameof(accountKey)}' cannot be null or whitespace", nameof(accountKey));
}
this.connectionString = connectionString;
this.containerName = containerName;
this.accountName = accountName;
this.accountKey = accountKey;
var client = new Blobs.BlobServiceClient(this.connectionString);
this.blobContainerClient = client.GetBlobContainerClient(this.containerName);
}
public async Task <IBlobData> Fetch(string virtualPath)
{
var prefix = prefixes.FirstOrDefault(s => virtualPath.StartsWith(s, StringComparison.Ordinal));
if (prefix == null)
{
return(null);
}
var mapping = mappings[prefix];
var key = string.IsNullOrEmpty(mapping.BlobPrefix)
? virtualPath.Substring(prefix.Length).TrimStart('/')
: mapping.BlobPrefix + "/" + virtualPath.Substring(prefix.Length).TrimStart('/');
try
{
var blobClient = client.GetBlobContainerClient(mapping.Container).GetBlobClient(key);
var s = await blobClient.DownloadAsync();
return(new AzureBlob(s));
}
catch (RequestFailedException e)
{
if (e.Status == 404)
{
throw new BlobMissingException($"Azure blob \"{key}\" not found.", e);
}
throw;
}
}
public async Task <IBlobData> Fetch(string virtualPath)
{
var mapping = mappings.FirstOrDefault(s => virtualPath.StartsWith(s.UrlPrefix,
s.IgnorePrefixCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal));
if (mapping.UrlPrefix == null)
{
return(null);
}
var partialKey = virtualPath.Substring(mapping.UrlPrefix.Length).TrimStart('/');
if (mapping.LowercaseBlobPath)
{
partialKey = partialKey.ToLowerInvariant();
}
var key = string.IsNullOrEmpty(mapping.BlobPrefix)
? partialKey
: mapping.BlobPrefix + "/" + partialKey;
try
{
var blobClient = client.GetBlobContainerClient(mapping.Container).GetBlobClient(key);
var s = await blobClient.DownloadAsync();
return(new AzureBlob(s));
}
catch (RequestFailedException e)
{
if (e.Status == 404)
{
throw new BlobMissingException($"Azure blob \"{key}\" not found.", e);
}
throw;
}
}