def post(self, certificate_id, data=None):
        """
        .. http:post:: /certificates/1/export

           Export a certificate

           **Example request**:

           .. sourcecode:: http

              PUT /certificates/1/export HTTP/1.1
              Host: example.com
              Accept: application/json, text/javascript
              Content-Type: application/json;charset=UTF-8

              {
                "export": {
                    "plugin": {
                        "pluginOptions": [{
                            "available": ["Java Key Store (JKS)"],
                            "required": true,
                            "type": "select",
                            "name": "type",
                            "helpMessage": "Choose the format you wish to export",
                            "value": "Java Key Store (JKS)"
                        }, {
                            "required": false,
                            "type": "str",
                            "name": "passphrase",
                            "validation": "^(?=.*[A-Za-z])(?=.*\\d)(?=.*[$@$!%*#?&])[A-Za-z\\d$@$!%*#?&]{8,}$",
                            "helpMessage": "If no passphrase is given one will be generated for you, we highly recommend this. Minimum length is 8."
                        }, {
                            "required": false,
                            "type": "str",
                            "name": "alias",
                            "helpMessage": "Enter the alias you wish to use for the keystore."
                        }],
                        "version": "unknown",
                        "description": "Attempts to generate a JKS keystore or truststore",
                        "title": "Java",
                        "author": "Kevin Glisson",
                        "type": "export",
                        "slug": "java-export"
                    }
                }
              }


           **Example response**:

           .. sourcecode:: http

              HTTP/1.1 200 OK
              Vary: Accept
              Content-Type: text/javascript

              {
                "data": "base64encodedstring",
                "passphrase": "UAWOHW#&@_%!tnwmxh832025",
                "extension": "jks"
              }

           :reqheader Authorization: OAuth token to authenticate
           :statuscode 200: no error
           :statuscode 403: unauthenticated

        """
        cert = service.get(certificate_id)

        if not cert:
            return dict(message="Cannot find specified certificate"), 404

        plugin = data["plugin"]["plugin_object"]

        if plugin.requires_key:
            if not cert.private_key:
                return (
                    dict(
                        message="Unable to export certificate, plugin: {} requires a private key but no key was found.".format(
                            plugin.slug
                        )
                    ),
                    400,
                )

            else:
                # allow creators
                if g.current_user != cert.user:
                    owner_role = role_service.get_by_name(cert.owner)
                    permission = CertificatePermission(
                        owner_role, [x.name for x in cert.roles]
                    )

                    if not permission.can():
                        return (
                            dict(
                                message="You are not authorized to export this certificate."
                            ),
                            403,
                        )

        options = data["plugin"]["plugin_options"]

        log_service.create(g.current_user, "key_view", certificate=cert)
        extension, passphrase, data = plugin.export(
            cert.body, cert.chain, cert.private_key, options
        )

        # Clear memory for last passphrase if it's in plugin.options
        for option in plugin.options:
            if 'value' in option and option['value'] == passphrase:
                del option['value']

        # we take a hit in message size when b64 encoding
        return dict(
            extension=extension,
            passphrase=passphrase,
            data=base64.b64encode(data).decode("utf-8"),
        )

        .. http:post:: /certificates/1/export

           Export a certificate

           **Example request**:

           .. sourcecode:: http

              PUT /certificates/1/export HTTP/1.1
              Host: example.com
              Accept: application/json, text/javascript
              Content-Type: application/json;charset=UTF-8

              {
                "export": {
                    "plugin": {
                        "pluginOptions": [{
                            "available": ["Java Key Store (JKS)"],
                            "required": true,
                            "type": "select",
                            "name": "type",
                            "helpMessage": "Choose the format you wish to export",
                            "value": "Java Key Store (JKS)"
                        }, {
                            "required": false,
                            "type": "str",
                            "name": "passphrase",
                            "validation": "^(?=.*[A-Za-z])(?=.*\d)(?=.*[$@$!%*#?&])[A-Za-z\d$@$!%*#?&]{8,}$",
                            "helpMessage": "If no passphrase is given one will be generated for you, we highly recommend this. Minimum length is 8."
                        }, {
                            "required": false,
                            "type": "str",
                            "name": "alias",
                            "helpMessage": "Enter the alias you wish to use for the keystore."
                        }],
                        "version": "unknown",
                        "description": "Attempts to generate a JKS keystore or truststore",
                        "title": "Java",
                        "author": "Kevin Glisson",
                        "type": "export",
                        "slug": "java-export"
                    }
                }
              }


           **Example response**:

           .. sourcecode:: http

              HTTP/1.1 200 OK
              Vary: Accept
              Content-Type: text/javascript

              {
                "data": "base64encodedstring",
                "passphrase": "UAWOHW#&@_%!tnwmxh832025",
                "extension": "jks"
              }

           :reqheader Authorization: OAuth token to authenticate
           :statuscode 200: no error
           :statuscode 403: unauthenticated

        
lemur/certificates/views.py