Feature/rpc message protection (#2951)

* Added encryption required flag to policy table.

Also added RPC Encryption Manager Interface for comfortable access to
policy table.

* Added logic for processing RPC according to the proposal.

* The permission change notification has been expanded.

* Fixed UTs after implementation feature RPC message protection.

* Fix multiframe issue

* Fix style

* Added storage of encryption required rpcs

* Fix CI build

* Extended logic adding encryption flag in message helper

* Added permission check of encryption required for PROP

* Added permission check of encryption required for EXT

* Fixes after rebase

* Answer PR comments

- fixed typos
- fixed 3rd party cmake

* fixup! Added logic for processing RPC according to the proposal.

* fixup! The permission change notification has been expanded.

* Answer PR comments

- renamed functions
- added encryption_required flag to sql_pt_ext* source files
- added condition and logging to CacheManager::GetApplicationParams

* fixup! Added logic for processing RPC according to the proposal.

* fixup! Added encryption required flag to policy table.

* fixup! Added permission check of encryption required for EXT

* fixup! Added permission check of encryption required for PROP

* Fixes after rebase

1 files changed, 65 insertions, 1 deletions

diff --git a/src/components/policy/policy_regular/include/policy/policy_manager_impl.h b/src/components/policy/policy_regular/include/policy/policy_manager_impl.h
index 903f7820d2..d8ab079cf0 100644
--- a/src/components/policy/policy_regular/include/policy/policy_manager_impl.h
+++ b/src/components/policy/policy_regular/include/policy/policy_manager_impl.h
@@ -37,6 +37,7 @@
 #include <list>
 #include <string>
 
+#include "application_manager/policies/policy_encryption_flag_getter.h"
 #include "policy/access_remote.h"
 #include "policy/access_remote_impl.h"
 #include "policy/cache_manager_interface.h"
@@ -57,6 +58,45 @@ struct CheckAppPolicy;
 class PolicyManagerImpl : public PolicyManager {
  public:
   PolicyManagerImpl();
+  /*
+   * \param policy_app_id policy app id
+   * \return true if the app need encryption
+   */
+  bool AppNeedEncryption(const std::string& policy_app_id) const OVERRIDE;
+
+  /*
+   * \param policy_app_id policy app id
+   * \return Optional app need encryption
+   */
+  const rpc::Optional<rpc::Boolean> GetAppEncryptionRequired(
+      const std::string& policy_app_id) const OVERRIDE;
+  /*
+   * \param policy_app_id policy app id
+   * \return groups that exist for app
+   */
+  const std::vector<std::string> GetFunctionalGroupsForApp(
+      const std::string& policy_app_id) const OVERRIDE;
+
+  const std::vector<std::string> GetApplicationPolicyIDs() const OVERRIDE;
+
+  /*
+   * \param policy_group group
+   * \return true if the group need encryption
+   */
+  bool FunctionGroupNeedEncryption(
+      const std::string& policy_group) const OVERRIDE;
+  /*
+   * \param policy_group group
+   * \return RPCs that exists in group
+   */
+  const std::vector<std::string> GetRPCsForFunctionGroup(
+      const std::string& group) const OVERRIDE;
+  /*
+   * \param function_id function id
+   * \return policy function name
+   */
+  const std::string GetPolicyFunctionName(
+      const uint32_t function_id) const OVERRIDE;
 
   /**
    * @brief set_listener set new policy listener instance
@@ -92,6 +132,21 @@ class PolicyManagerImpl : public PolicyManager {
   bool LoadPT(const std::string& file,
               const BinaryMessage& pt_content) OVERRIDE;
 
+  typedef policy_table::ApplicationPolicies::value_type AppPoliciesValueType;
+
+  /**
+   * @brief Notifies system by sending OnAppPermissionChanged notification
+   * @param app_policy Reference to application policy
+   */
+  void NotifySystem(const AppPoliciesValueType& app_policy) const;
+
+  /**
+   * @brief Sends OnPermissionChange notification to application if its
+   * currently registered
+   * @param app_policy Reference to application policy
+   */
+  void SendPermissionsToApp(const AppPoliciesValueType& app_policy);
+
   /**
    * @brief Resets Policy Table
    * @param file_name Path to preloaded PT file
@@ -836,10 +891,19 @@ class PolicyManagerImpl : public PolicyManager {
    * @param snapshot Shared pointer to current copy of policy table
    * @return Collection per-application results
    */
-  void CheckPermissionsChanges(
+  CheckAppPolicyResults CheckPermissionsChanges(
       const std::shared_ptr<policy_table::Table> update,
       const std::shared_ptr<policy_table::Table> snapshot);
 
+  void ProcessAppPolicyCheckResults(
+      const CheckAppPolicyResults& results,
+      const rpc::policy_table_interface_base::ApplicationPolicies&
+          app_policies);
+
+  void ProcessActionsForAppPolicies(
+      const ApplicationsPoliciesActions& actions,
+      const policy_table::ApplicationPolicies& app_policies);
+
   /**
    * @brief Compares current policies to the updated one.
    * Trigger actions in case if certain fields after update were changed.