1 // Copyright (c) 2012 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.
5 #ifndef COMPONENTS_POLICY_CORE_COMMON_CLOUD_DEVICE_MANAGEMENT_SERVICE_H_
6 #define COMPONENTS_POLICY_CORE_COMMON_CLOUD_DEVICE_MANAGEMENT_SERVICE_H_
13 #include "base/basictypes.h"
14 #include "base/callback.h"
15 #include "base/compiler_specific.h"
16 #include "base/memory/ref_counted.h"
17 #include "base/memory/weak_ptr.h"
18 #include "components/policy/core/common/cloud/cloud_policy_constants.h"
19 #include "components/policy/policy_export.h"
20 #include "net/url_request/url_fetcher_delegate.h"
21 #include "policy/proto/device_management_backend.pb.h"
24 class URLRequestContextGetter;
29 class DeviceManagementRequestJobImpl;
30 class DeviceManagementService;
32 // DeviceManagementRequestJob describes a request to send to the device
33 // management service. Jobs are created by DeviceManagementService. They can be
34 // canceled by deleting the object.
35 class POLICY_EXPORT DeviceManagementRequestJob {
37 // Describes the job type.
41 TYPE_API_AUTH_CODE_FETCH,
44 TYPE_UPLOAD_CERTIFICATE,
45 TYPE_DEVICE_STATE_RETRIEVAL,
48 typedef base::Callback<
49 void(DeviceManagementStatus, int,
50 const enterprise_management::DeviceManagementResponse&)> Callback;
52 typedef base::Callback<void(DeviceManagementRequestJob*)> RetryCallback;
54 virtual ~DeviceManagementRequestJob();
56 // Functions for configuring the job. These should only be called before
57 // Start()ing the job, but never afterwards.
58 void SetGaiaToken(const std::string& gaia_token);
59 void SetOAuthToken(const std::string& oauth_token);
60 void SetUserAffiliation(UserAffiliation user_affiliation);
61 void SetDMToken(const std::string& dm_token);
62 void SetClientID(const std::string& client_id);
63 enterprise_management::DeviceManagementRequest* GetRequest();
65 // A job may automatically retry if it fails due to a temporary condition, or
66 // due to proxy misconfigurations. If a |retry_callback| is set then it will
67 // be invoked with the DeviceManagementRequestJob as an argument when that
68 // happens, so that the job's owner can customize the retry request before
70 void SetRetryCallback(const RetryCallback& retry_callback);
72 // Starts the job. |callback| will be invoked on completion.
73 void Start(const Callback& callback);
76 typedef std::vector<std::pair<std::string, std::string> > ParameterMap;
78 DeviceManagementRequestJob(JobType type,
79 const std::string& agent_parameter,
80 const std::string& platform_parameter);
82 // Appends a parameter to |query_params|.
83 void AddParameter(const std::string& name, const std::string& value);
85 // Fires the job, to be filled in by implementations.
86 virtual void Run() = 0;
88 ParameterMap query_params_;
89 std::string gaia_token_;
90 std::string dm_token_;
91 enterprise_management::DeviceManagementRequest request_;
92 RetryCallback retry_callback_;
97 DISALLOW_COPY_AND_ASSIGN(DeviceManagementRequestJob);
100 // The device management service is responsible for everything related to
101 // communication with the device management server. It creates the backends
102 // objects that the device management policy provider and friends use to issue
104 class POLICY_EXPORT DeviceManagementService : public net::URLFetcherDelegate {
106 // Obtains the parameters used to contact the server.
107 // This allows creating the DeviceManagementService early and getting these
108 // parameters later. Passing the parameters directly in the ctor isn't
109 // possible because some aren't ready during startup. http://crbug.com/302798
110 class POLICY_EXPORT Configuration {
112 virtual ~Configuration() {}
114 // Server at which to contact the service.
115 virtual std::string GetServerUrl() = 0;
117 // Agent reported in the "agent" query parameter.
118 virtual std::string GetAgentParameter() = 0;
120 // The platform reported in the "platform" query parameter.
121 virtual std::string GetPlatformParameter() = 0;
124 explicit DeviceManagementService(scoped_ptr<Configuration> configuration);
125 virtual ~DeviceManagementService();
127 // The ID of URLFetchers created by the DeviceManagementService. This can be
128 // used by tests that use a TestURLFetcherFactory to get the pending fetchers
129 // created by the DeviceManagementService.
130 static const int kURLFetcherID;
132 // Creates a new device management request job. Ownership is transferred to
134 virtual DeviceManagementRequestJob* CreateJob(
135 DeviceManagementRequestJob::JobType type,
136 const scoped_refptr<net::URLRequestContextGetter>& request_context);
138 // Schedules a task to run |Initialize| after |delay_milliseconds| had passed.
139 void ScheduleInitialization(int64 delay_milliseconds);
141 // Makes the service stop all requests.
144 // Gets the URL that the DMServer requests are sent to.
145 std::string GetServerUrl();
148 typedef std::map<const net::URLFetcher*,
149 DeviceManagementRequestJobImpl*> JobFetcherMap;
150 typedef std::deque<DeviceManagementRequestJobImpl*> JobQueue;
152 friend class DeviceManagementRequestJobImpl;
154 // net::URLFetcherDelegate override.
155 virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
157 // Starts processing any queued jobs.
161 void StartJob(DeviceManagementRequestJobImpl* job);
163 // Adds a job. Caller must make sure the job pointer stays valid until the job
164 // completes or gets canceled via RemoveJob().
165 void AddJob(DeviceManagementRequestJobImpl* job);
167 // Removes a job. The job will be removed and won't receive a completion
169 void RemoveJob(DeviceManagementRequestJobImpl* job);
171 // A Configuration implementation that is used to obtain various parameters
172 // used to talk to the device management server.
173 scoped_ptr<Configuration> configuration_;
175 // The jobs we currently have in flight.
176 JobFetcherMap pending_jobs_;
178 // Jobs that are registered, but not started yet.
179 JobQueue queued_jobs_;
181 // If this service is initialized, incoming requests get fired instantly.
182 // If it is not initialized, incoming requests are queued.
185 // Used to create tasks to run |Initialize| delayed on the UI thread.
186 base::WeakPtrFactory<DeviceManagementService> weak_ptr_factory_;
188 DISALLOW_COPY_AND_ASSIGN(DeviceManagementService);
191 } // namespace policy
193 #endif // COMPONENTS_POLICY_CORE_COMMON_CLOUD_DEVICE_MANAGEMENT_SERVICE_H_