zift 0.2.3

Scan codebases for embedded authorization logic and generate Policy as Code (Rego for OPA, Cedar for AWS Verified Permissions and other Cedar-compatible engines)
Documentation 
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[rule]
id = "ruby-role-collection-include"
languages = ["ruby"]
category = "rbac"
confidence = "high"
description = "Membership check on roles/permissions collection (Ruby)"
# Matches `user.roles.include?(:manager)` and friends — second-most common
# Ruby RBAC shape after equality. Accepts the role value as either a symbol
# (`:manager`) or string ("manager"). The intermediate `roles` identifier
# (`@collection`) is gated by predicate so unrelated `tags.include?` calls
# don't fire.
query = """
(call
  receiver: (call
    receiver: (_)
    method: (identifier) @collection)
  method: (identifier) @method_name
  arguments: (argument_list
    [
      (simple_symbol) @role_value
      (string (string_content) @role_value)
    ])
) @match
"""

[rule.predicates.method_name]
eq = "include?"

[rule.predicates.collection]
match = "(?i)^(roles|permissions|authorities|scopes|granted_authorities)$"

[rule.rego_template]
template = """
default allow := false

allow if {
    "{{role_value}}" in input.user.roles
}
"""


[rule.cedar_template]
template = """
permit (
    principal,
    action,
    resource
)
when {
    principal.roles.contains("{{role_value}}")
};
"""
[[rule.tests]]
input = """
def manager_only?
  current_user.roles.include?(:manager)
end
"""
expect_match = true

[[rule.tests]]
input = """
def has_read?
  user.permissions.include?("read")
end
"""
expect_match = true

[[rule.tests]]
input = """
def tagged?
  post.tags.include?(:featured)
end
"""
expect_match = false