#!/bin/bash

set -xe

HOSTNAME=$(hostname)
CLIENTNAME=mercy

cat <<EOF >ca-config.json
{
  "signing": {
    "default": {
      "expiry": "8760h"
    },
    "profiles": {
      "server": {
        "expiry": "8760h",
        "usages": [
          "signing",
          "key encipherment",
          "server auth"
        ]
      },
      "client": {
        "expiry": "8760h",
        "usages": [
          "signing",
          "key encipherment",
          "client auth"
        ]
      },
      "peer": {
        "expiry": "8760h",
        "usages": [
          "signing",
          "key encipherment",
          "server auth",
          "client auth"
        ]
      }
    }
  }
}
EOF

cat <<EOF >ca-csr.json
{
  "CN": "ACME Company",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "names": [
    {
      "C": "US",
      "L": "Missouri",
      "ST": "Saint Louis",
      "O": "OverWatch",
      "OU": "OverWatch"
    }
  ]
}
EOF


cat <<EOF >server-csr.json
{
  "CN": "${HOSTNAME}",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "hosts": [
    "${HOSTNAME}"
  ],
  "names": [
    {
      "C": "US",
      "L": "Missouri",
      "ST": "Saint Louis",
      "O": "OverWatch",
      "OU": "OverWatch"
    }
  ]
}
EOF

cat <<EOF >client-csr.json
{
  "CN": "${CLIENTNAME}",
  "key": {
    "algo": "rsa",
    "size": 2048
  },
  "hosts": [
    "${HOSTNAME}"
  ],
  "names": [
    {
      "C": "US",
      "L": "Missouri",
      "ST": "Saint Louis",
      "O": "OverWatch",
      "OU": "OverWatch"
    }
  ]
}
EOF

cfssl gencert -initca ca-csr.json | cfssljson -bare ca -
cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=server server-csr.json | cfssljson -bare server -
cfssl gencert -ca=ca.pem -ca-key=ca-key.pem -config=ca-config.json -profile=client client-csr.json | cfssljson -base client -