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(PureBasic) Amazon Glacier Set Vault Access Policy

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

Chilkat PureBasic Module Download

Chilkat PureBasic Module

IncludeFile "CkStringBuilder.pb"
IncludeFile "CkAuthAws.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkRest.pb"

Procedure ChilkatExample()

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

    rest.i = CkRest::ckCreate()
    If rest.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ; Connect to the Amazon AWS REST server in the desired region.
    bTls.i = 1
    port.i = 443
    bAutoReconnect.i = 1
    success.i = CkRest::ckConnect(rest,"glacier.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

    ; Provide AWS credentials.
    authAws.i = CkAuthAws::ckCreate()
    If authAws.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkAuthAws::setCkAccessKey(authAws, "AWS_ACCESS_KEY")
    CkAuthAws::setCkSecretKey(authAws, "AWS_SECRET_KEY")
    CkAuthAws::setCkServiceName(authAws, "glacier")
    CkAuthAws::setCkRegion(authAws, "us-west-2")

    success = CkRest::ckSetAuthAws(rest,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 Set Vault Access Policy Reference Documentation
    ; 
    CkRest::ckAddHeader(rest,"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"
    ;     }
    ;   ]
    ; }

    jsonPolicy.i = CkJsonObject::ckCreate()
    If jsonPolicy.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(jsonPolicy,"Version","2012-10-17")
    CkJsonObject::ckUpdateString(jsonPolicy,"Statement[0].Sid","Define-owner-access-rights")
    CkJsonObject::ckUpdateString(jsonPolicy,"Statement[0].Effect","Allow")
    CkJsonObject::ckUpdateString(jsonPolicy,"Statement[0].Principal.AWS","arn:aws:iam::AWS_ACCOUNT_ID:root")
    CkJsonObject::ckUpdateString(jsonPolicy,"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.
    CkJsonObject::ckUpdateString(jsonPolicy,"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 ... }"
    ; }
    json.i = CkJsonObject::ckCreate()
    If json.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckUpdateString(json,"Policy",CkJsonObject::ckEmit(jsonPolicy))

    sbRequestBody.i = CkStringBuilder::ckCreate()
    If sbRequestBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    CkJsonObject::ckEmitSb(json,sbRequestBody)

    sbResponseBody.i = CkStringBuilder::ckCreate()
    If sbResponseBody.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkRest::ckFullRequestSb(rest,"PUT","/AWS_ACCOUNT_ID/vaults/chilkat/access-policy",sbRequestBody,sbResponseBody)
    If success <> 1
        Debug CkRest::ckLastErrorText(rest)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkJsonObject::ckDispose(jsonPolicy)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbRequestBody)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    respStatusCode.i = CkRest::ckResponseStatusCode(rest)
    If respStatusCode >= 400
        Debug "Response Status Code = " + Str(respStatusCode)
        Debug "Response Header:"
        Debug CkRest::ckResponseHeader(rest)
        Debug "Response Body:"
        Debug CkStringBuilder::ckGetAsString(sbResponseBody)
        CkRest::ckDispose(rest)
        CkAuthAws::ckDispose(authAws)
        CkJsonObject::ckDispose(jsonPolicy)
        CkJsonObject::ckDispose(json)
        CkStringBuilder::ckDispose(sbRequestBody)
        CkStringBuilder::ckDispose(sbResponseBody)
        ProcedureReturn
    EndIf

    ; Success is indicated by a 204 response status with an empty response body.
    Debug "response status code = " + Str(respStatusCode)


    CkRest::ckDispose(rest)
    CkAuthAws::ckDispose(authAws)
    CkJsonObject::ckDispose(jsonPolicy)
    CkJsonObject::ckDispose(json)
    CkStringBuilder::ckDispose(sbRequestBody)
    CkStringBuilder::ckDispose(sbResponseBody)


    ProcedureReturn
EndProcedure

 

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