/// <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());
}
/// <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()));
}
/// <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();
}