main.tf

locals {
  custom_origin_id = "myoriginid"
}

resource "aws_cloudfront_distribution" "cdn" {
  aliases = var.cnames
  enabled = var.enabled
  tags    = var.tags

  origin {
    domain_name = var.domain_name
    origin_id   = var.origin_id

    custom_origin_config {
      http_port              = var.http_port
      https_port             = var.https_port
      origin_protocol_policy = var.origin_protocol_policy
      origin_ssl_protocols   = var.origin_ssl_protocols
    }
  }

  price_class = var.price_class

  restrictions {
    geo_restriction {
      restriction_type = "none"
    }
  }

  viewer_certificate {
    cloudfront_default_certificate = false
    acm_certificate_arn            = var.acm_certificate_arn
    ssl_support_method             = "sni-only"
    minimum_protocol_version       = var.minimum_protocol_version
  }

  default_cache_behavior {
    allowed_methods  = ["DELETE", "GET", "HEAD", "OPTIONS", "PATCH", "POST", "PUT"]
    cached_methods   = ["GET", "HEAD"]
    target_origin_id = var.origin_id

    forwarded_values {
      query_string = true
      headers      = ["Host", "Origin", "CloudFront-Forwarded-Proto", "CloudFront-Is-Mobile-Viewer", "CloudFront-Is-Tablet-Viewer", "CloudFront-Is-Desktop-Viewer"]

      cookies {
        forward           = "whitelist"
        whitelisted_names = var.cookies_whitelisted_names
      }
    }

    compress               = true
    viewer_protocol_policy = var.default_viewer_protocol_policy
    min_ttl                = var.min_ttl
    default_ttl            = var.default_ttl
    max_ttl                = var.max_ttl
  }

  ordered_cache_behavior {
    path_pattern     = "wp-admin/*"
    allowed_methods  = ["DELETE", "GET", "HEAD", "OPTIONS", "PATCH", "POST", "PUT"]
    cached_methods   = ["GET", "HEAD", "OPTIONS"]
    target_origin_id = var.origin_id

    forwarded_values {
      query_string = true
      headers      = ["*"]

      cookies {
        forward           = "all"
      }
    }

    compress               = true
    viewer_protocol_policy = "redirect-to-https"
  }

  ordered_cache_behavior {
    path_pattern     = "wp-login.php"
    allowed_methods  = ["DELETE", "GET", "HEAD", "OPTIONS", "PATCH", "POST", "PUT"]
    cached_methods   = ["GET", "HEAD", "OPTIONS"]
    target_origin_id = var.origin_id

    forwarded_values {
      query_string = true
      headers      = ["*"]

      cookies {
        forward           = "all"
      }
    }

    compress               = true
    viewer_protocol_policy = "redirect-to-https"
  }

  ordered_cache_behavior {
    path_pattern     = "wp-content/*"
    allowed_methods  = ["GET", "HEAD"]
    cached_methods   = ["GET", "HEAD"]
    target_origin_id = var.origin_id

    forwarded_values {
      query_string = true

      cookies {
        forward           = "none"
      }
    }

    compress               = true
    viewer_protocol_policy = "allow-all"
  }

  ordered_cache_behavior {
    path_pattern     = "wp-includes/*"
    allowed_methods  = ["GET", "HEAD"]
    cached_methods   = ["GET", "HEAD"]
    target_origin_id = var.origin_id

    forwarded_values {
      query_string = true

      cookies {
        forward           = "none"
      }
    }

    compress               = true
    viewer_protocol_policy = "allow-all"
  }

}