(Lianja) Amazon Glacier Set Vault Access Policy

Demonstrates how to set an access policy for a vault (will overwrite the existing policy).

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// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loRest = createobject("CkRest")

// Connect to the Amazon AWS REST server in the desired region.
llBTls = .T.
lnPort = 443
llBAutoReconnect = .T.
llSuccess = loRest.Connect("glacier.us-west-2.amazonaws.com",lnPort,llBTls,llBAutoReconnect)

// Provide AWS credentials.
loAuthAws = createobject("CkAuthAws")
loAuthAws.AccessKey = "AWS_ACCESS_KEY"
loAuthAws.SecretKey = "AWS_SECRET_KEY"
loAuthAws.ServiceName = "glacier"
loAuthAws.Region = "us-west-2"

llSuccess = loRest.SetAuthAws(loAuthAws)

// --------------------------------------------------------------------------
// Note: The above REST connection and setup of the AWS credentials
// can be done once.  After connecting, any number of REST calls can be made.
// The "auto reconnect" property passed to rest.Connect indicates that if
// the connection is lost, a REST method call will automatically reconnect
// if needed.
// --------------------------------------------------------------------------

// For more information, see Glacier Set Vault Access Policy Reference Documentation
// 
loRest.AddHeader("x-amz-glacier-version","2012-06-01")

// Create the following JSON
// Use this online tool to generate the code from sample JSON: 
// Generate Code to Create JSON

// {
//   "Version": "2012-10-17",
//   "Statement": [
//     {
//       "Sid": "Define-owner-access-rights",
//       "Effect": "Allow",
//       "Principal": {
//         "AWS": "arn:aws:iam::AWS_ACCOUNT_ID:root"
//       },
//       "Action": "glacier:DeleteArchive",
//       "Resource": "arn:aws:glacier:us-west-2:AWS_ACCOUNT_ID:vaults/chilkat"
//     }
//   ]
// }

loJsonPolicy = createobject("CkJsonObject")
loJsonPolicy.UpdateString("Version","2012-10-17")
loJsonPolicy.UpdateString("Statement[0].Sid","Define-owner-access-rights")
loJsonPolicy.UpdateString("Statement[0].Effect","Allow")
loJsonPolicy.UpdateString("Statement[0].Principal.AWS","arn:aws:iam::AWS_ACCOUNT_ID:root")
loJsonPolicy.UpdateString("Statement[0].Action","glacier:DeleteArchive")
// Notice here the name of the vault: "chilkat".  Change it to your vault name.  Also use your actual AWS account ID.
loJsonPolicy.UpdateString("Statement[0].Resource","arn:aws:glacier:us-west-2:AWS_ACCOUNT_ID:vaults/chilkat")

// Wrap the above JSON in this JSON:

// {
//    "Policy": "{  ... the above JSON ... }"
// }
loJson = createobject("CkJsonObject")
loJson.UpdateString("Policy",loJsonPolicy.Emit())

loSbRequestBody = createobject("CkStringBuilder")
loJson.EmitSb(loSbRequestBody)

loSbResponseBody = createobject("CkStringBuilder")
llSuccess = loRest.FullRequestSb("PUT","/AWS_ACCOUNT_ID/vaults/chilkat/access-policy",loSbRequestBody,loSbResponseBody)
if (llSuccess <> .T.) then
    ? loRest.LastErrorText
    release loRest
    release loAuthAws
    release loJsonPolicy
    release loJson
    release loSbRequestBody
    release loSbResponseBody
    return
endif

lnRespStatusCode = loRest.ResponseStatusCode
if (lnRespStatusCode >= 400) then
    ? "Response Status Code = " + str(lnRespStatusCode)
    ? "Response Header:"
    ? loRest.ResponseHeader
    ? "Response Body:"
    ? loSbResponseBody.GetAsString()
    release loRest
    release loAuthAws
    release loJsonPolicy
    release loJson
    release loSbRequestBody
    release loSbResponseBody
    return
endif

// Success is indicated by a 204 response status with an empty response body.
? "response status code = " + str(lnRespStatusCode)


release loRest
release loAuthAws
release loJsonPolicy
release loJson
release loSbRequestBody
release loSbResponseBody