(Tcl) 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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load ./chilkat.dll

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

set rest [new_CkRest]

# Connect to the Amazon AWS REST server in the desired region.
set bTls 1
set port 443
set bAutoReconnect 1
set success [CkRest_Connect $rest "glacier.us-west-2.amazonaws.com" $port $bTls $bAutoReconnect]

# Provide AWS credentials.
set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"
CkAuthAws_put_ServiceName $authAws "glacier"
CkAuthAws_put_Region $authAws "us-west-2"

set success [CkRest_SetAuthAws $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_AddHeader $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"
#     }
#   ]
# }

set jsonPolicy [new_CkJsonObject]

CkJsonObject_UpdateString $jsonPolicy "Version" "2012-10-17"
CkJsonObject_UpdateString $jsonPolicy "Statement[0].Sid" "Define-owner-access-rights"
CkJsonObject_UpdateString $jsonPolicy "Statement[0].Effect" "Allow"
CkJsonObject_UpdateString $jsonPolicy "Statement[0].Principal.AWS" "arn:aws:iam::AWS_ACCOUNT_ID:root"
CkJsonObject_UpdateString $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_UpdateString $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 ... }"
# }
set json [new_CkJsonObject]

CkJsonObject_UpdateString $json "Policy" [CkJsonObject_emit $jsonPolicy]

set sbRequestBody [new_CkStringBuilder]

CkJsonObject_EmitSb $json $sbRequestBody

set sbResponseBody [new_CkStringBuilder]

set success [CkRest_FullRequestSb $rest "PUT" "/AWS_ACCOUNT_ID/vaults/chilkat/access-policy" $sbRequestBody $sbResponseBody]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkJsonObject $jsonPolicy
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    exit
}

set respStatusCode [CkRest_get_ResponseStatusCode $rest]
if {$respStatusCode >= 400} then {
    puts "Response Status Code = $respStatusCode"
    puts "Response Header:"
    puts [CkRest_responseHeader $rest]
    puts "Response Body:"
    puts [CkStringBuilder_getAsString $sbResponseBody]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkJsonObject $jsonPolicy
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkStringBuilder $sbResponseBody
    exit
}

# Success is indicated by a 204 response status with an empty response body.
puts "response status code = $respStatusCode"

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkJsonObject $jsonPolicy
delete_CkJsonObject $json
delete_CkStringBuilder $sbRequestBody
delete_CkStringBuilder $sbResponseBody