47 lines
1.5 KiB
Python
47 lines
1.5 KiB
Python
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import falcon
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import logging
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import ipaddress
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from xattr import getxattr, listxattr
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from datetime import datetime
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from certidude import config, authority
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from certidude.decorators import serialize
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logger = logging.getLogger("api")
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class AttributeResource(object):
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@serialize
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def on_get(self, req, resp, cn):
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"""
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Return extended attributes stored on the server.
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This not only contains tags and lease information,
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but might also contain some other sensitive information.
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"""
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path, buf, cert = authority.get_signed(cn)
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attribs = dict()
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for key in listxattr(path):
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if not key.startswith("user."):
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continue
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value = getxattr(path, key)
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current = attribs
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if "." in key:
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namespace, key = key.rsplit(".", 1)
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for component in namespace.split("."):
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if component not in current:
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current[component] = dict()
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current = current[component]
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current[key] = value
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whitelist = attribs.get("user").get("address")
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if req.context.get("remote_addr") != whitelist:
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logger.info("Attribute access denied from %s, expected %s for %s",
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req.context.get("remote_addr"),
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whitelist,
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cn)
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raise falcon.HTTPForbidden("Forbidden",
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"Attributes only accessible to the machine")
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return attribs
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