64 lines
3.1 KiB
Python
Executable File
64 lines
3.1 KiB
Python
Executable File
"""Explicit, administrator-controlled service grants for each effective level."""
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import re
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from django.core.exceptions import ImproperlyConfigured
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from ldap3.core.exceptions import LDAPInvalidDnError
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from ldap3.utils.dn import parse_dn
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def validate_service_groups(value, paid_levels):
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if not isinstance(value, dict):
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raise ImproperlyConfigured("Membership service groups must be an object mapping levels to lists of LDAP group DNs.")
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valid_levels = {0, *paid_levels}
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for level, groups in value.items():
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if not isinstance(level, str) or not re.fullmatch(r"0|[1-9][0-9]*", level) or int(level) not in valid_levels:
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raise ImproperlyConfigured("Service group levels must be 0 or a configured paid membership level.")
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if not isinstance(groups, list):
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raise ImproperlyConfigured("Each service group level must contain a list of LDAP group DNs.")
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seen = set()
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for dn in groups:
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if not isinstance(dn, str) or not dn or dn != dn.strip() or len(dn) > 1024 or any(ord(char) < 32 for char in dn):
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raise ImproperlyConfigured("Service group DNs must be nonempty valid LDAP DNs of at most 1024 characters.")
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try:
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parts = parse_dn(dn)
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except LDAPInvalidDnError:
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raise ImproperlyConfigured("Invalid LDAP service group DN.") from None
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if not parts or dn.casefold() in seen:
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raise ImproperlyConfigured("Service group DNs must be valid and unique within each level.")
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seen.add(dn.casefold())
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return value
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def configured_groups(tiers, service_groups):
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"""All managed targets, not only the groups this account currently earns."""
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return {tier["group_dn"] for tier in tiers.values()} | {
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dn for groups in service_groups.values() for dn in groups
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}
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def service_names(level, service_groups):
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"""Public labels from the same exact-level mapping used by reconciliation."""
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labels = {
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"dex users": "Dex · single sign-on",
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"discourse users": "Discourse · community forums",
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"gitea users": "Gitea · Git hosting",
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"matrix users": "Matrix · community chat",
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"mastodon users": "Mastodon · social networking",
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"peertube users": "PeerTube · video sharing",
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}
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names = []
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for dn in service_groups.get(str(level), []):
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# Show only a group's common name, never its directory hierarchy.
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common_name = next((value for attribute, value, _separator in parse_dn(dn) if attribute.casefold() == "cn"), "")
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if not common_name:
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name = "Additional community service"
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else:
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# LDAP DN values escape reserved characters and UTF-8 bytes.
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raw = re.sub(r"\\([,=+<>#;\"\\ ])", r"\1", common_name)
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raw = re.sub(r"(?:\\[0-9a-fA-F]{2})+", lambda match: bytes.fromhex(match.group().replace("\\", "")).decode("utf-8", errors="replace"), raw)
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name = labels.get(raw.casefold(), re.sub(r"\s+users$", "", raw, flags=re.IGNORECASE))
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if name not in names:
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names.append(name)
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return names
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