public S3(string url, Dictionary<string, string> options)
{
//We need to do custom parsing because we allow non-valid urls
System.Text.RegularExpressions.Match m = URL_PARSING.Match(url);
if (!m.Success)
throw new Exception(string.Format(Strings.S3Backend.UnableToParseURLError, url));
string host = m.Groups["hostname"].Value;
m_prefix = m.Groups["prefix"].Value;
string awsID = null;
string awsKey = null;
if (options.ContainsKey("ftp-username"))
awsID = options["ftp-username"];
if (options.ContainsKey("ftp-password"))
awsKey = options["ftp-password"];
if (options.ContainsKey("aws_access_key_id"))
awsID = options["aws_access_key_id"];
if (options.ContainsKey("aws_secret_access_key"))
awsKey = options["aws_secret_access_key"];
string s3host;
options.TryGetValue(SERVER_NAME, out s3host);
if (string.IsNullOrEmpty(s3host))
s3host = DEFAULT_S3_HOST;
bool euBuckets = Utility.Utility.ParseBoolOption(options, EU_BUCKETS_OPTION);
bool useRRS = Utility.Utility.ParseBoolOption(options, RRS_OPTION);
bool useSSL = Utility.Utility.ParseBoolOption(options, SSL_OPTION);
string locationConstraint;
options.TryGetValue(LOCATION_OPTION, out locationConstraint);
if (!string.IsNullOrEmpty(locationConstraint) && euBuckets)
throw new Exception(string.Format(Strings.S3Backend.OptionsAreMutuallyExclusiveError, LOCATION_OPTION, EU_BUCKETS_OPTION));
if (euBuckets)
locationConstraint = S3_EU_REGION_NAME;
//Fallback to previous formats
if (host.Contains(DEFAULT_S3_HOST))
{
Uri u = new Uri(url);
host = u.Host;
m_prefix = "";
if (host.ToLower() == s3host)
{
m_bucket = System.Web.HttpUtility.UrlDecode(u.PathAndQuery);
if (m_bucket.StartsWith("/"))
m_bucket = m_bucket.Substring(1);
if (m_bucket.Contains("/"))
{
m_prefix = m_bucket.Substring(m_bucket.IndexOf("/") + 1);
m_bucket = m_bucket.Substring(0, m_bucket.IndexOf("/"));
}
}
else
{
//Subdomain type lookup
if (host.ToLower().EndsWith("." + s3host))
{
m_bucket = host.Substring(0, host.Length - ("." + s3host).Length);
host = s3host;
m_prefix = System.Web.HttpUtility.UrlDecode(u.PathAndQuery);
if (m_prefix.StartsWith("/"))
m_prefix = m_prefix.Substring(1);
}
else
throw new Exception(string.Format(Strings.S3Backend.UnableToDecodeBucketnameError, url));
}
try { Console.Error.WriteLine(string.Format(Strings.S3Backend.DeprecatedUrlFormat, "s3://" + m_bucket + "/" + m_prefix)); }
catch { }
}
else
{
//The new simplified url style s3://bucket/prefix
m_bucket = host;
host = s3host;
}
if (string.IsNullOrEmpty(awsID))
throw new Exception(Strings.S3Backend.NoAMZUserIDError);
if (string.IsNullOrEmpty(awsKey))
throw new Exception(Strings.S3Backend.NoAMZKeyError);
m_options = options;
m_prefix = m_prefix.Trim();
if (m_prefix.Length != 0 && !m_prefix.EndsWith("/"))
m_prefix += "/";
m_wrapper = new S3Wrapper(awsID, awsKey, locationConstraint, host, useRRS, useSSL);
}
public void Dispose()
{
if (m_options != null)
m_options = null;
if (m_wrapper != null)
{
m_wrapper.Dispose();
m_wrapper = null;
}
}