mojo/shell/capability_filter.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mojo/shell/capability_filter.h"
   6
   7 #include "mojo/shell/identity.h"
   8
   9 namespace mojo {
  10 namespace shell {
  11
  12 CapabilityFilter GetPermissiveCapabilityFilter() {
  13   CapabilityFilter filter;
  14   AllowedInterfaces interfaces;
  15   interfaces.insert("*");
  16   filter["*"] = interfaces;
  17   return filter;
  18 }
  19
  20 AllowedInterfaces GetAllowedInterfaces(const CapabilityFilter& filter,
  21                                        const Identity& identity) {
  22   // Start by looking for interfaces specific to the supplied identity.
  23   auto it = filter.find(identity.url().spec());
  24   if (it != filter.end())
  25     return it->second;
  26
  27   // Fall back to looking for a wildcard rule.
  28   it = filter.find("*");
  29   if (filter.size() == 1 && it != filter.end())
  30     return it->second;
  31
  32   // Finally, nothing is allowed.
  33   return AllowedInterfaces();
  34 }
  35
  36 }  // namespace shell
  37 }  // namespace mojo