unhandled "slice bounds out of range [:-1]" when SAN_URI doesn't contain )://

[jiang-gao]

PROBLEM SUMMARY

the code here raises slice bounds out of range [:-1] error when the SAN_URI doesn't contain ):// - because missing ):// makes index=-1, which isn't valid for val[1:index]. For our use case, the value for URI (SAN) in the issue_template is .*

STEPS TO REPRODUCE

1. set the Terraform with csr_origin = "service"
2. set URI (SAN) in the issue_template with .*

resource "venafi_certificate" "mdc_server" {
  common_name = "test.test1.com"
  san_dns = [
    "test.test1.com",
    "test.test2.com",
    "test.test3.com"
  ]
  algorithm    = "RSA"
  rsa_bits     = "2048"
  valid_days   = "15"
  organization = "mycompany"
  country      = "US"
  state        = "New York"
  locality     = "New York"
  csr_origin   = "service"
  key_password = "_123456TdafdsadasdesR!"
}

The below error pops up:

COMMENTS/WORKAROUNDS

Disabling URI (SAN) is a workaround