Install CA certificate on Firefox (Windows)

modules/hic-tre-cert.ps1

@@ -39,7 +39,22 @@ zvyXRCnDutC2I48pjubDIKtp2crIOMdsmtBVCQq6gX1Sl/4z4E6BXEWkfVcSBk+O
 05i6skiAX2QQcqX+EC/9HQ8UEjKIGeXyR2SxAiACx+1ckj9MHG8nytRAJQ2glmLs
 ws7bgq7KAqJqvvPyVIeOW0hx4AX+5Q==
 -----END CERTIFICATE-----
-"@ | Out-File -FilePath C:\Tools\hic-tre.dundee.ac.uk.crt
+"@ | Out-File -Encoding ASCII -FilePath C:\Tools\hic-tre.dundee.ac.uk.crt
 
 Get-Item C:\Tools\hic-tre.dundee.ac.uk.crt | `
   Import-Certificate -CertStoreLocation Cert:\LocalMachine\Root
+
+
+# Firefox doesn't use the system certificates by default, but a policy
+# can be used to force the installation of the certificate at the next
+# run.
+New-Item -Path "C:\Program Files\Mozilla Firefox\" -Name distribution -ItemType Directory -Force
+@"
+{
+  "policies": {
+    "Certificates": {
+      "Install": ["C:\\Tools\\hic-tre.dundee.ac.uk.crt"]
+    }
+  }
+}
+"@ | Out-File -Encoding ASCII -FilePath "C:\Program Files\Mozilla Firefox\distribution\policies.json"