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policy.tf
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resource "aws_s3_bucket_policy" "default" {
count = var.enforce_ssl_requests ? 1 : 0
provider = aws.primary
bucket = aws_s3_bucket.default.id
policy = data.aws_iam_policy_document.default-ssl.json
depends_on = [aws_s3_bucket_public_access_block.default, time_sleep.wait_30_secs]
}
data "aws_iam_policy_document" "default-ssl" {
provider = aws.primary
#
# 1stg Policy Statement
statement {
sid = "EnforceSSlRequestsOnly"
effect = "Deny"
principals {
type = "AWS"
identifiers = ["*"]
}
actions = [
"s3:*",
]
resources = [
"${aws_s3_bucket.default.arn}/*"
]
#
# Check for a condition that always requires ssl communications
condition {
test = "Bool"
variable = "aws:SecureTransport"
values = ["false"]
}
}
}
resource "aws_s3_bucket_policy" "default-ssl-vpc" {
count = var.enforce_ssl_requests && var.enforce_vpc_requests && length(var.vpc_ids_list) != 0 ? 1 : 0
provider = aws.primary
bucket = aws_s3_bucket.default.id
policy = data.aws_iam_policy_document.default-ssl-vpc.json
depends_on = [aws_s3_bucket_public_access_block.default, time_sleep.wait_30_secs]
}
data "aws_iam_policy_document" "default-ssl-vpc" {
provider = aws.primary
#
# 1stg Policy Statement
statement {
sid = "EnforceSSlRequestsOnly"
effect = "Deny"
principals {
type = "AWS"
identifiers = ["*"]
}
actions = [
"s3:*",
]
resources = [
"${aws_s3_bucket.default.arn}/*"
]
#
# Check for a condition that always requires ssl communications
condition {
test = "Bool"
variable = "aws:SecureTransport"
values = ["false"]
}
}
#
# Policy Statements per vpc id
statement {
sid = "EnforceVPCRequestsOnly"
effect = "Deny"
principals {
type = "AWS"
identifiers = ["*"]
}
actions = [
"s3:*",
]
resources = [
aws_s3_bucket.default.arn,
"${aws_s3_bucket.default.arn}/*"
]
#
# Bucket policy that restricts access to a specific VPC by using the
# aws:sourceVpc condition.
#
condition {
test = "StringNotEquals"
variable = "aws:sourceVpc"
values = [
for vpc_id in var.vpc_ids_list :
vpc_id
]
}
}
}