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org.freedesktop.PolicyKit1.Authority Interface

org.freedesktop.PolicyKit1.Authority Interface — Authority Interface

Methods

Flags        CheckAuthorizationFlags
Enumeration  ImplicitAuthorization
ErrorDomain  org.freedesktop.PolicyKit1.Error.*
Flags        AuthorityFeatures
Structure    Subject
Structure    Identity
Structure    ActionDescription
Structure    AuthorizationResult
Structure    TemporaryAuthorization

EnumerateActions                 (IN  String                         locale,
                                  OUT Array<ActionDescription>       action_descriptions)
CheckAuthorization               (IN  Subject                        subject,
                                  IN  String                         action_id,
                                  IN  Dict<String,String>            details,
                                  IN  CheckAuthorizationFlags        flags,
                                  IN  String                         cancellation_id,
                                  OUT AuthorizationResult            result)
CancelCheckAuthorization         (IN  String                         cancellation_id)
RegisterAuthenticationAgent      (IN  Subject                        subject,
                                  IN  String                         locale,
                                  IN  String                         object_path)
UnregisterAuthenticationAgent    (IN  Subject                        subject,
                                  IN  String                         object_path)
AuthenticationAgentResponse      (IN  String                         cookie,
                                  IN  Identity                       identity)
EnumerateTemporaryAuthorizations (IN  Subject                        subject,
                                  OUT Array<TemporaryAuthorization>  temporary_authorizations)
RevokeTemporaryAuthorizations    (IN  Subject                        subject)
RevokeTemporaryAuthorizationById (IN  String                         id)
AddLockdownForAction             (IN  String                         action_id)
RemoveLockdownForAction          (IN  String                         action_id)
    

Signals

Changed ()
    

Properties

BackendName         readable     String
BackendVersion      readable     String
BackendFeatures     readable     AuthorityFeatures
    

Description

This D-Bus interface is implemented by the /org/freedesktop/PoliycKit1/Authority object on the well-known name org.freedesktop.PolicyKit1 on the system message bus.

Enumerations

The CheckAuthorizationFlags Flags

{
  None                 = 0x00000000,
  AllowUserInteraction = 0x00000001
}
          

Flags used in the CheckAuthorization() method.

None

No flags set.

AllowUserInteraction

If the Subject can obtain the authorization through authentication, and an authentication agent is available, then attempt to do so. Note, this means that the CheckAuthorization() method will block while the user is being asked to authenticate.


The ImplicitAuthorization Enumeration

{
  NotAuthorized                               = 0,
  AuthenticationRequired                      = 1,
  AdministratorAuthenticationRequired         = 2,
  AuthenticationRequiredRetained              = 3,
  AdministratorAuthenticationRequiredRetained = 4,
  Authorized                                  = 5
}
          

An enumeration for granting implicit authorizations.

NotAuthorized

The Subject is not authorized.

AuthenticationRequired

Authentication is required.

AdministratorAuthenticationRequired

Authentication as an administrator is required.

AuthenticationRequiredRetained

Authentication is required. If the authorization is obtained, it is retained.

AdministratorAuthenticationRequiredRetained

Authentication as an administrator is required. If the authorization is obtained, it is retained.

Authorized

The subject is authorized.


The org.freedesktop.PolicyKit1.Error.* Error Domain

{
  org.freedesktop.PolicyKit1.Error.Failed,
  org.freedesktop.PolicyKit1.Error.Cancelled,
  org.freedesktop.PolicyKit1.Error.NotSupported,
  org.freedesktop.PolicyKit1.Error.NotAuthorized,
  org.freedesktop.PolicyKit1.Error.CancellationIdNotUnique
}
          

Errors that can be returned by various method calls.

org.freedesktop.PolicyKit1.Error.Failed

The operation failed.

org.freedesktop.PolicyKit1.Error.Cancelled

The operation was cancelled.

org.freedesktop.PolicyKit1.Error.NotSupported

The operation is not supported.

org.freedesktop.PolicyKit1.Error.NotAuthorized

You are not authorized to perform the requested operation.

org.freedesktop.PolicyKit1.Error.CancellationIdNotUnique

The passed cancellation_id is already in use.


The AuthorityFeatures Flags

{
  None                   = 0x00000000,
  TemporaryAuthorization = 0x00000001,
  Lockdown               = 0x00000002
}
          

Flags describing features supported by the Authority implementation.

None

No flags set.

TemporaryAuthorization

The authority supports temporary authorizations that can be obtained through authentication.

Lockdown

The authority supports the AddLockdownForAction() and RemoveLockdownForAction() methods.

Structures

The Subject Structure

{
  String               subject_kind,
  Dict<String,Variant> subject_details
}
          

This struct describes subjects such as UNIX processes. It is typically used to check if a given process is authorized for an action.

The following kinds of subjects are known:

Unix Process. subject_kind should be set to unix-process with keys pid (of type uint32) and start-time (of type uint64).

Unix Session. subject_kind should be set to unix-session with the key session-id (of type string).

System Bus Name. subject_kind should be set to system-bus-name with the key name (of type string).

String subject_kind

The type of the subject.

Dict<String,Variant> subject_details

Details about the subject. Depending of the value of subject_kind, a set of well-defined key/value pairs are guaranteed to be available.


The Identity Structure

{
  String               identity_kind,
  Dict<String,Variant> identity_details
}
          

This struct describes identities such as UNIX users and UNIX groups. It is typically used to check if a given process is authorized for an action.

The following kinds of identities are known:

Unix User. identity_kind should be set to unix-user with key uid (of type uint32).

Unix Group. identity_kind should be set to unix-group with key gid (of type uint32).

String identity_kind

Type of identity.

Dict<String,Variant> identity_details

Details about the identity. Depending of the value of identity_kind, a set of well-defined key/value pairs are guaranteed to be available.


The ActionDescription Structure

{
  String                action_id,
  String                description,
  String                message,
  String                vendor_name,
  String                vendor_url,
  String                icon_name,
  ImplicitAuthorization implicit_any,
  ImplicitAuthorization implicit_inactive,
  ImplicitAuthorization implicit_active,
  Dict<String,String>   annotations
}
          

This struct describes actions registered with the PolicyKit daemon.

String action_id

Action Identifier.

String description

Localized description of the action.

String message

Localized message to be displayed when making the user authenticate for an action.

String vendor_name

Name of the provider of the action or the empty string.

String vendor_url

A URL pointing to a place with more information about the action or the empty string.

String icon_name

The themed icon describing the action or the empty string if no icon is set.

ImplicitAuthorization implicit_any

A value from the ImplicitAuthorization. enumeration for implicit authorizations that apply to any Subject.

ImplicitAuthorization implicit_inactive

A value from the ImplicitAuthorization. enumeration for implicit authorizations that apply any Subject in an inactive user session on the local console.

ImplicitAuthorization implicit_active

A value from the ImplicitAuthorization. enumeration for implicit authorizations that apply any Subject in an active user session on the local console.

Dict<String,String> annotations

Annotations for the action.


The AuthorizationResult Structure

{
  Boolean             is_authorized,
  Boolean             is_challenge,
  Dict<String,String> details
}
          

Describes the result of calling CheckAuthorization().

Boolean is_authorized

TRUE if the given Subject is authorized for the given action.

Boolean is_challenge

TRUE if the given Subject could be authorized if more information was provided, and CheckAuthorizationFlags.AllowUserInteraction wasn't passed or no suitable authentication agent was available.

Dict<String,String> details

Details for the result or empty if not authorized. Known key/value-pairs include polkit.temporary_authorization_id (if the authorization is temporary, this is set to the opaque temporary authorization id), polkit.retains_authorization_after_challenge (Set to a non-empty string if the authorization will be retained after authentication (if is_challenge is TRUE)) and polkit.lockdown (set to a non-empty string if the action is locked down).


The TemporaryAuthorization Structure

{
  String  id,
  String  action_id,
  Subject subject,
  UInt64  time_obtained,
  UInt64  time_expires
}
          

This struct describes a temporary authorization.

String id

An opaque identifier for the temporary authorization.

String action_id

The action the temporary authorization is for.

Subject subject

The subject the temporary authorization is for.

UInt64 time_obtained

When the temporary authorization was obtained, in seconds since the Epoch Jan 1, 1970 0:00 UTC.

UInt64 time_expires

When the temporary authorization is set to expire, in seconds since the Epoch Jan 1, 1970 0:00 UTC.

Method Details

EnumerateActions ()

EnumerateActions (IN  String                    locale,
                  OUT Array<ActionDescription>  action_descriptions)
    

Enumerates all registered PolicyKit actions.

IN String locale:

The locale to get descriptions in or the blank string to use the system locale.

OUT Array<ActionDescription> action_descriptions:

An array of ActionDescription structs.


CheckAuthorization ()

CheckAuthorization (IN  Subject                  subject,
                    IN  String                   action_id,
                    IN  Dict<String,String>      details,
                    IN  CheckAuthorizationFlags  flags,
                    IN  String                   cancellation_id,
                    OUT AuthorizationResult      result)
    

Checks if subject is authorized to perform the action with identifier action_id.

If cancellation_id is non-empty and already in use for the caller, the org.freedesktop.PolicyKit1.Error.CancellationIdNotUnique error is returned.

Note that CheckAuthorizationFlags.AllowUserInteraction SHOULD be passed ONLY if the event that triggered the authorization check is stemming from an user action, e.g. the user pressing a button or attaching a device.

IN Subject subject:

A Subject struct.

IN String action_id:

Identifier for the action that subject is attempting to do.

IN Dict<String,String> details:

Details describing the action. Keys starting with polkit. are reserved for internal use and cannot be used.

IN CheckAuthorizationFlags flags:

A set of CheckAuthorizationFlags.

IN String cancellation_id:

A unique id used to cancel the the authentication check via CancelCheckAuthorization() or the empty string if cancellation is not needed.

OUT AuthorizationResult result:

An AuthorizationResult structure.


CancelCheckAuthorization ()

CancelCheckAuthorization (IN  String  cancellation_id)
    

Cancels an authorization check.

IN String cancellation_id:

The cancellation_id passed to CheckAuthorization().


RegisterAuthenticationAgent ()

RegisterAuthenticationAgent (IN  Subject  subject,
                             IN  String   locale,
                             IN  String   object_path)
    

Register an authentication agent.

Note that current versions of PolicyKit will only work if session_id is set to the empty string. In the future it might work for non-empty strings if the caller is sufficiently privileged.

IN Subject subject:

The subject to register the authentication agent for, typically a session subject.

IN String locale:

The locale of the authentication agent.

IN String object_path:

The object path of authentication agent object on the unique name of the caller.


UnregisterAuthenticationAgent ()

UnregisterAuthenticationAgent (IN  Subject  subject,
                               IN  String   object_path)
    

Unregister an authentication agent.

IN Subject subject:

The subject passed to RegisterAuthenticationAgent().

IN String object_path:

The object_path passed to RegisterAuthenticationAgent().


AuthenticationAgentResponse ()

AuthenticationAgentResponse (IN  String    cookie,
                             IN  Identity  identity)
    

Method for authentication agents to invoke on successful authentication. This method will fail unless a sufficiently privileged caller invokes it.

IN String cookie:

The cookie identifying the authentication request that was passed to the authentication agent.

IN Identity identity:

A Identity struct describing what identity was authenticated.


EnumerateTemporaryAuthorizations ()

EnumerateTemporaryAuthorizations (IN  Subject                        subject,
                                  OUT Array<TemporaryAuthorization>  temporary_authorizations)
    

Retrieves all temporary authorizations that applies to subject.

IN Subject subject:

The subject to get temporary authorizations for.

OUT Array<TemporaryAuthorization> temporary_authorizations:

An array of TemporaryAuthorization structs.


RevokeTemporaryAuthorizations ()

RevokeTemporaryAuthorizations (IN  Subject  subject)
    

Revokes all temporary authorizations that applies to subject.

IN Subject subject:

The subject to revoke temporary authorizations from.


RevokeTemporaryAuthorizationById ()

RevokeTemporaryAuthorizationById (IN  String  id)
    

Revokes all temporary authorizations that applies to subject.

IN String id:

The opaque identifier of the temporary authorization.


AddLockdownForAction ()

AddLockdownForAction (IN  String  action_id)
    

Locks down an action so administrator authentication is always needed to obtain a temporary authorization for the action.

IN String action_id:

Identifier for the action.


RemoveLockdownForAction ()

RemoveLockdownForAction (IN  String  action_id)
    

Removes the effect of a previous AddLockdownForAction() call.

IN String action_id:

Identifier for the action.

Signal Details

The "Changed" signal

Changed ()
    

This signal is emitted when actions and/or authorizations change

Property Details

The "BackendName" property

BackendName     readable     String
    

The name of the currently used Authority backend.


The "BackendVersion" property

BackendVersion     readable     String
    

The version of the currently used Authority backend.


The "BackendFeatures" property

BackendFeatures     readable     AuthorityFeatures
    

The features supported by the currently used Authority backend.

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