mojo/shell/capability_filter.h

   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 #ifndef MOJO_SHELL_CAPABILITY_FILTER_H_
   6 #define MOJO_SHELL_CAPABILITY_FILTER_H_
   7
   8 #include <map>
   9 #include <set>
  10
  11 #include "mojo/public/cpp/bindings/array.h"
  12
  13 namespace mojo {
  14 // TODO(beng): upstream this into mojo repo, array.h so it can be shared with
  15 //             application_impl.cc.
  16 // A |TypeConverter| that will create an |std::set<E>| containing a copy of
  17 // the contents of an |Array<T>|, using |TypeConverter<E, T>| to copy each
  18 // element. If the input array is null, the output set will be empty.
  19 template <typename E, typename T>
  20 struct TypeConverter <std::set<E>, Array<T>> {
  21   static std::set<E> Convert(const Array<T>& input) {
  22     std::set<E> result;
  23     if (!input.is_null()) {
  24       for (size_t i = 0; i < input.size(); ++i)
  25         result.insert(TypeConverter<E, T>::Convert(input[i]));
  26     }
  27     return result;
  28   }
  29 };
  30
  31 template <typename T, typename E>
  32 struct TypeConverter <Array<T>, std::set<E>> {
  33   static Array<T> Convert(const std::set<E>& input) {
  34     Array<T> result(0u);
  35     for (auto i : input)
  36       result.push_back(TypeConverter<T, E>::Convert(i));
  37     return result.Pass();
  38   }
  39 };
  40
  41 namespace shell {
  42
  43 // A set of names of interfaces that may be exposed to an application.
  44 using AllowedInterfaces = std::set<std::string>;
  45 // A map of allowed applications to allowed interface sets. See shell.mojom for
  46 // more details.
  47 using CapabilityFilter = std::map<std::string, AllowedInterfaces>;
  48
  49 // Returns a capability filter that allows an application to connect to any
  50 // other application and any service exposed by other applications.
  51 CapabilityFilter GetPermissiveCapabilityFilter();
  52
  53 }  // namespace shell
  54 }  // namespace mojo
  55
  56
  57 #endif  // MOJO_SHELL_CAPABILITY_FILTER_H_