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: / proc / thread-self / root / usr / share / wireplumber / scripts / access /
Filename : access-default.lua
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-- WirePlumber
--
-- Copyright © 2021 Collabora Ltd.
--    @author George Kiagiadakis <george.kiagiadakis@collabora.com>
--
-- SPDX-License-Identifier: MIT

local config = ... or {}

-- preprocess rules and create Interest objects
for _, r in ipairs(config.rules or {}) do
  r.interests = {}
  for _, i in ipairs(r.matches) do
    local interest_desc = { type = "properties" }
    for _, c in ipairs(i) do
      c.type = "pw"
      table.insert(interest_desc, Constraint(c))
    end
    local interest = Interest(interest_desc)
    table.insert(r.interests, interest)
  end
  r.matches = nil
end

function rulesGetDefaultPermissions(properties)
  for _, r in ipairs(config.rules or {}) do
    if r.default_permissions then
      for _, interest in ipairs(r.interests) do
        if interest:matches(properties) then
          return r.default_permissions
        end
      end
    end
  end
end

clients_om = ObjectManager {
  Interest { type = "client" }
}

clients_om:connect("object-added", function (om, client)
  local id = client["bound-id"]
  local properties = client["properties"]

  local perms = rulesGetDefaultPermissions(properties)

  if perms then
    Log.info(client, "Granting permissions to client " .. id .. ": " .. perms)
    client:update_permissions { ["any"] = perms }
  end
end)

clients_om:activate()