/// <summary>
/// Presigned post policy
/// </summary>
public Dictionary <string, string> PresignedPostPolicy(PostPolicy policy)
{
if (!policy.IsBucketSet())
{
throw new ArgumentException("bucket should be set");
}
if (!policy.IsKeySet())
{
throw new ArgumentException("key should be set");
}
if (!policy.IsExpirationSet())
{
throw new ArgumentException("expiration should be set");
}
string region = Regions.GetRegion(this.client.BaseUrl.Host);
DateTime signingDate = DateTime.UtcNow;
policy.SetAlgorithm("AWS4-HMAC-SHA256");
policy.SetCredential(this.authenticator.GetCredentialString(signingDate, region));
policy.SetDate(signingDate);
string policyBase64 = policy.Base64();
string signature = this.authenticator.PresignPostSignature(region, signingDate, policyBase64);
policy.SetPolicy(policyBase64);
policy.SetSignature(signature);
return(policy.GetFormData());
}
static int Main(string[] args)
{
var client = new MinioClient("https://s3.amazonaws.com", "ACCESSKEY", "SECRETKEY");
PostPolicy form = new PostPolicy();
DateTime expiration = DateTime.UtcNow;
form.SetExpires(expiration.AddDays(10));
form.SetKey("objectName");
form.SetBucket("bucketName");
Dictionary <string, string> formData = client.PresignedPostPolicy(form);
string curlCommand = "curl ";
foreach (KeyValuePair<string, string> pair in formData)
{
curlCommand = curlCommand + " -F " + pair.Key + "=" + pair.Value;
}
curlCommand = curlCommand + " -F file=@/etc/bashrc https://s3.amazonaws.com/bucketName";
Console.Out.WriteLine(curlCommand);
return 0;
}
static int Main()
{
/// Note: s3 AccessKey and SecretKey needs to be added in App.config file
/// See instructions in README.md on running examples for more information.
var client = new MinioClient("s3.amazonaws.com", ConfigurationManager.AppSettings["s3AccessKey"],
ConfigurationManager.AppSettings["s3SecretKey"]);
PostPolicy form = new PostPolicy();
DateTime expiration = DateTime.UtcNow;
form.SetExpires(expiration.AddDays(10));
form.SetKey("my-objectname");
form.SetBucket("my-bucketname");
Dictionary <string, string> formData = client.PresignedPostPolicy(form);
string curlCommand = "curl ";
foreach (KeyValuePair<string, string> pair in formData)
{
curlCommand = curlCommand + " -F " + pair.Key + "=" + pair.Value;
}
curlCommand = curlCommand + " -F file=@/etc/bashrc https://s3.amazonaws.com/my-bucketname";
Console.Out.WriteLine(curlCommand);
return 0;
}
/// <summary>
/// Presigned post policy
/// </summary>
public Dictionary<string, string> PresignedPostPolicy(PostPolicy policy)
{
if (!policy.IsBucketSet())
{
throw new ArgumentException("bucket should be set");
}
if (!policy.IsKeySet())
{
throw new ArgumentException("key should be set");
}
if (!policy.IsExpirationSet())
{
throw new ArgumentException("expiration should be set");
}
string region = Regions.GetRegion(this.client.BaseUrl.Host);
DateTime signingDate = DateTime.UtcNow;
policy.SetAlgorithm("AWS4-HMAC-SHA256");
policy.SetCredential(this.authenticator.GetCredentialString(signingDate, region));
policy.SetDate(signingDate);
string policyBase64 = policy.Base64();
string signature = this.authenticator.PresignPostSignature(signingDate, region, policyBase64);
policy.SetPolicy(policyBase64);
policy.SetSignature(signature);
return policy.getFormData();
}
/// <summary>
/// Presigned post policy
/// </summary>
public async Task <Tuple <string, Dictionary <string, string> > > PresignedPostPolicyAsync(PostPolicy policy)
{
string region = null;
if (!policy.IsBucketSet())
{
throw new ArgumentException("bucket should be set");
}
if (!policy.IsKeySet())
{
throw new ArgumentException("key should be set");
}
if (!policy.IsExpirationSet())
{
throw new ArgumentException("expiration should be set");
}
// Initialize a new client.
if (!BucketRegionCache.Instance.Exists(policy.Bucket))
{
region = await BucketRegionCache.Instance.Update(this, policy.Bucket);
}
else
{
region = BucketRegionCache.Instance.Region(policy.Bucket);
}
// Set Target URL
Uri requestUrl = RequestUtil.MakeTargetURL(this.BaseUrl, this.Secure, bucketName: policy.Bucket, region: region, usePathStyle: false);
SetTargetURL(requestUrl);
DateTime signingDate = DateTime.UtcNow;
policy.SetAlgorithm("AWS4-HMAC-SHA256");
policy.SetCredential(this.authenticator.GetCredentialString(signingDate, region));
policy.SetDate(signingDate);
string policyBase64 = policy.Base64();
string signature = this.authenticator.PresignPostSignature(region, signingDate, policyBase64);
policy.SetPolicy(policyBase64);
policy.SetSignature(signature);
return(new Tuple <string, Dictionary <string, string> >(this.restClient.BaseUrl.AbsoluteUri, policy.GetFormData()));
}
public PresignedPostPolicyArgs WithPolicy(PostPolicy policy)
{
this.Policy = policy;
return(this);
}
