PowerBuilder

Amazon Glacier Get Vault Access Policy

See more Amazon Glacier Examples

Demonstrates how to retrieve the access-policy subresource set on the vault PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Rest
integer li_BTls
integer li_Port
integer li_BAutoReconnect
oleobject loo_AuthAws
oleobject loo_SbResponseBody
integer li_RespStatusCode
oleobject loo_Json
oleobject loo_JsonPolicy
string ls_Version
integer i
integer li_Count_i
string ls_Sid
string ls_Effect
string ls_PrincipalAWS
string ls_Action
string ls_Resource

li_Success = 0

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

loo_Rest = create oleobject
li_rc = loo_Rest.ConnectToNewObject("Chilkat.Rest")
if li_rc < 0 then
    destroy loo_Rest
    MessageBox("Error","Connecting to COM object failed")
    return
end if

// Connect to the Amazon AWS REST server in the desired region.
li_BTls = 1
li_Port = 443
li_BAutoReconnect = 1
li_Success = loo_Rest.Connect("glacier.us-west-2.amazonaws.com",li_Port,li_BTls,li_BAutoReconnect)

// Provide AWS credentials.
loo_AuthAws = create oleobject
li_rc = loo_AuthAws.ConnectToNewObject("Chilkat.AuthAws")

loo_AuthAws.AccessKey = "AWS_ACCESS_KEY"
loo_AuthAws.SecretKey = "AWS_SECRET_KEY"
loo_AuthAws.ServiceName = "glacier"
loo_AuthAws.Region = "us-west-2"

li_Success = loo_Rest.SetAuthAws(loo_AuthAws)

// --------------------------------------------------------------------------
// 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 Get Vault Access Policy Reference Documentation
// 
loo_Rest.AddHeader("x-amz-glacier-version","2012-06-01")

// Get the access policy for the "chilkat" vault.
loo_SbResponseBody = create oleobject
li_rc = loo_SbResponseBody.ConnectToNewObject("Chilkat.StringBuilder")

li_Success = loo_Rest.FullRequestNoBodySb("GET","/AWS_ACCOUNT_ID/vaults/chilkat/access-policy",loo_SbResponseBody)
if li_Success <> 1 then
    Write-Debug loo_Rest.LastErrorText
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponseBody
    return
end if

li_RespStatusCode = loo_Rest.ResponseStatusCode
if li_RespStatusCode >= 400 then
    Write-Debug "Response Status Code = " + string(li_RespStatusCode)
    Write-Debug "Response Header:"
    Write-Debug loo_Rest.ResponseHeader
    Write-Debug "Response Body:"
    Write-Debug loo_SbResponseBody.GetAsString()
    destroy loo_Rest
    destroy loo_AuthAws
    destroy loo_SbResponseBody
    return
end if

// Success is indicated by a 200 response status.
Write-Debug "response status code = " + string(li_RespStatusCode)

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")

loo_Json.LoadSb(loo_SbResponseBody)
loo_Json.EmitCompact = 0

// Returns JSON such as this:
// {
//   "Policy": "{\"Version\":\"2012-10-17\",\"Statement\":[{\"Sid\":\"Define-owner-access-rights\",\"Effect\":\"Allow\",\"Principal\":{\"AWS\":\"arn:aws:iam::9999999999999:root\"},\"Action\":\"glacier:DeleteArchive\",\"Resource\":\"arn:aws:glacier:us-west-2:9999999999999:vaults/chilkat\"}]}"
// }

// Unwrap...
loo_JsonPolicy = create oleobject
li_rc = loo_JsonPolicy.ConnectToNewObject("Chilkat.JsonObject")

loo_JsonPolicy.Load(loo_Json.StringOf("Policy"))
loo_JsonPolicy.EmitCompact = 0

Write-Debug loo_JsonPolicy.Emit()
Write-Debug "----"

// The jsonPolicy contains:

// {
//   "Version": "2012-10-17",
//   "Statement": [
//     {
//       "Sid": "Define-owner-access-rights",
//       "Effect": "Allow",
//       "Principal": {
//         "AWS": "arn:aws:iam::9999999999999:root"
//       },
//       "Action": "glacier:DeleteArchive",
//       "Resource": "arn:aws:glacier:us-west-2:9999999999999:vaults/chilkat"
//     }
//   ]
// }
// 

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

// To parse the above contents of jsonPolicy...

ls_Version = loo_JsonPolicy.StringOf("Version")
i = 0
li_Count_i = loo_JsonPolicy.SizeOfArray("Statement")
do while i < li_Count_i
    loo_JsonPolicy.I = i
    ls_Sid = loo_JsonPolicy.StringOf("Statement[i].Sid")
    ls_Effect = loo_JsonPolicy.StringOf("Statement[i].Effect")
    ls_PrincipalAWS = loo_JsonPolicy.StringOf("Statement[i].Principal.AWS")
    ls_Action = loo_JsonPolicy.StringOf("Statement[i].Action")
    ls_Resource = loo_JsonPolicy.StringOf("Statement[i].Resource")
    i = i + 1
loop


destroy loo_Rest
destroy loo_AuthAws
destroy loo_SbResponseBody
destroy loo_Json
destroy loo_JsonPolicy