Node.js

Amazon Glacier Get Vault Access Policy

See more Amazon Glacier Examples

Demonstrates how to retrieve the access-policy subresource set on the vault Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var rest = new chilkat.Rest();

    //  Connect to the Amazon AWS REST server in the desired region.
    var bTls = true;
    var port = 443;
    var bAutoReconnect = true;
    success = rest.Connect("glacier.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    //  Provide AWS credentials.
    var authAws = new chilkat.AuthAws();
    authAws.AccessKey = "AWS_ACCESS_KEY";
    authAws.SecretKey = "AWS_SECRET_KEY";
    authAws.ServiceName = "glacier";
    authAws.Region = "us-west-2";

    success = rest.SetAuthAws(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
    //  
    rest.AddHeader("x-amz-glacier-version","2012-06-01");

    //  Get the access policy for the "chilkat" vault.
    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestNoBodySb("GET","/AWS_ACCOUNT_ID/vaults/chilkat/access-policy",sbResponseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var respStatusCode = rest.ResponseStatusCode;
    if (respStatusCode >= 400) {
        console.log("Response Status Code = " + respStatusCode);
        console.log("Response Header:");
        console.log(rest.ResponseHeader);
        console.log("Response Body:");
        console.log(sbResponseBody.GetAsString());
        return;
    }

    //  Success is indicated by a 200 response status.
    console.log("response status code = " + respStatusCode);

    var json = new chilkat.JsonObject();
    json.LoadSb(sbResponseBody);
    json.EmitCompact = false;

    //  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...
    var jsonPolicy = new chilkat.JsonObject();
    jsonPolicy.Load(json.StringOf("Policy"));
    jsonPolicy.EmitCompact = false;

    console.log(jsonPolicy.Emit());
    console.log("----");

    //  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...
    var Version;
    var i;
    var count_i;
    var Sid;
    var Effect;
    var PrincipalAWS;
    var Action;
    var Resource;

    Version = jsonPolicy.StringOf("Version");
    i = 0;
    count_i = jsonPolicy.SizeOfArray("Statement");
    while (i < count_i) {
        jsonPolicy.I = i;
        Sid = jsonPolicy.StringOf("Statement[i].Sid");
        Effect = jsonPolicy.StringOf("Statement[i].Effect");
        PrincipalAWS = jsonPolicy.StringOf("Statement[i].Principal.AWS");
        Action = jsonPolicy.StringOf("Statement[i].Action");
        Resource = jsonPolicy.StringOf("Statement[i].Resource");
        i = i+1;
    }


}

chilkatExample();