File: docbook-interface-org.freedesktop.PolicyKit1.AuthenticationAgent.xml

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<?xml version="1.0"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.1.2 //EN"
"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
<refentry id="eggdbus-interface-org.freedesktop.PolicyKit1.AuthenticationAgent">
  <refmeta>
    <refentrytitle role="top_of_page">org.freedesktop.PolicyKit1.AuthenticationAgent Interface</refentrytitle>
  </refmeta>
  <refnamediv>
    <refname>org.freedesktop.PolicyKit1.AuthenticationAgent Interface</refname>
    <refpurpose>Authentication Agent Interface</refpurpose>
  </refnamediv>
  <refsynopsisdiv role="synopsis">
    <title role="synopsis.title">Methods</title>
    <synopsis>
<link linkend="eggdbus-method-org.freedesktop.PolicyKit1.AuthenticationAgent.BeginAuthentication">BeginAuthentication</link>  (IN  String               action_id,
                      IN  String               message,
                      IN  String               icon_name,
                      IN  Dict&lt;String,String&gt;  details,
                      IN  String               cookie,
                      IN  Array&lt;<link linkend="eggdbus-struct-Identity">Identity</link>&gt;      identities)
<link linkend="eggdbus-method-org.freedesktop.PolicyKit1.AuthenticationAgent.CancelAuthentication">CancelAuthentication</link> (IN  String               cookie)
    </synopsis>
  </refsynopsisdiv>
  <refsect1 role="desc" id="eggdbus-if-description-org.freedesktop.PolicyKit1.AuthenticationAgent">
    <title role="desc.title">Description</title>
      <para>
<para>This D-Bus interface is used for communication between the system-wide PolicyKit daemon and one or more authentication agents each running in a user session.</para><para>An authentication agent must implement this interface and register (passing the object path of the object implementing the interface) using the <link linkend="eggdbus-method-org.freedesktop.PolicyKit1.Authority.RegisterAuthenticationAgent">RegisterAuthenticationAgent()</link> and <link linkend="eggdbus-method-org.freedesktop.PolicyKit1.Authority.UnregisterAuthenticationAgent">UnregisterAuthenticationAgent()</link> methods on the <link linkend="eggdbus-interface-org.freedesktop.PolicyKit1.Authority">org.freedesktop.PolicyKit1.Authority</link> interface of the PolicyKit daemon.</para>
      </para>
  </refsect1>
  <refsect1 role="details" id="eggdbus-if-method-details-org.freedesktop.PolicyKit1.AuthenticationAgent">
    <title role="details.title">Method Details</title>
    <refsect2 role="function" id="eggdbus-method-org.freedesktop.PolicyKit1.AuthenticationAgent.BeginAuthentication">
      <title>BeginAuthentication ()</title>
    <programlisting>
BeginAuthentication (IN  String               action_id,
                     IN  String               message,
                     IN  String               icon_name,
                     IN  Dict&lt;String,String&gt;  details,
                     IN  String               cookie,
                     IN  Array&lt;<link linkend="eggdbus-struct-Identity">Identity</link>&gt;      identities)
    </programlisting>
    <para>
      <para>
        Called by the PolicyKit daemon when the authentication agent
        needs the user to authenticate as one of the identities in
        <parameter>identities</parameter> for the action with the
        identifier <parameter>action_id</parameter>.</para><para>Upon
        succesful authentication, the authentication agent must invoke
        the <link
        linkend="eggdbus-method-org.freedesktop.PolicyKit1.Authority.AuthenticationAgentResponse2">AuthenticationAgentResponse2()</link>
        method on the <link
        linkend="eggdbus-interface-org.freedesktop.PolicyKit1.Authority">org.freedesktop.PolicyKit1.Authority</link>
        interface of the PolicyKit daemon before returning. This is normally
        achieved via the <link linkend="PolkitAgentSession">PolkitAgentSession</link>
        API, which invokes a private setuid helper process to verify the
        authentication.
      </para>
      <para>
        The authentication agent should not return until after authentication is complete.
        If the user dismisses the authentication dialog, the authentication agent should return the <link linkend="eggdbus-constant-Error.org.freedesktop.PolicyKit1.Error.Cancelled">org.freedesktop.PolicyKit1.Error.Cancelled</link> error.
      </para>
    </para>

<variablelist role="params">
  <varlistentry>
    <term><literal>IN  String <parameter>action_id</parameter></literal>:</term>
    <listitem>
      <para>
The identifier for the action that the user is authentication for.
      </para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term><literal>IN  String <parameter>message</parameter></literal>:</term>
    <listitem>
      <para>
The message to display to the user. This is translated into the locale passed when registering the authentication agent using <link linkend="eggdbus-method-org.freedesktop.PolicyKit1.Authority.RegisterAuthenticationAgent">RegisterAuthenticationAgent()</link>.
      </para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term><literal>IN  String <parameter>icon_name</parameter></literal>:</term>
    <listitem>
      <para>
The themed icon describing the action or the empty string if no icon is set.
      </para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term><literal>IN  Dict&lt;String,String&gt; <parameter>details</parameter></literal>:</term>
    <listitem>
      <para>
        Details about the authentication request. This is a dictionary
        of key/value pairs where both key and value are strings.
        Known key/value-pairs include
        <literal>polkit.caller-pid</literal> (the process id of the
        mechanism making the authorization check) and
        <literal>polkit.subject-pid</literal> (the process id of the
        subject the check is for).
      </para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term><literal>IN  String <parameter>cookie</parameter></literal>:</term>
    <listitem>
      <para>
A cookie identifying the authentication request.
      </para>
    </listitem>
  </varlistentry>
  <varlistentry>
    <term><literal>IN  Array&lt;<link linkend="eggdbus-struct-Identity">Identity</link>&gt; <parameter>identities</parameter></literal>:</term>
    <listitem>
      <para>
An array of <link linkend="eggdbus-struct-Identity">Identity</link> structs that the user can use for authentication.
      </para>
    </listitem>
  </varlistentry>
</variablelist>
    </refsect2>
    <refsect2 role="function" id="eggdbus-method-org.freedesktop.PolicyKit1.AuthenticationAgent.CancelAuthentication">
      <title>CancelAuthentication ()</title>
    <programlisting>
CancelAuthentication (IN  String  cookie)
    </programlisting>
    <para>
Called by the PolicyKit daemon if the authentication agent needs to cancel an authentication dialog.
    </para>
<variablelist role="params">
  <varlistentry>
    <term><literal>IN  String <parameter>cookie</parameter></literal>:</term>
    <listitem>
      <para>
The cookie identifying the authentication request.
      </para>
    </listitem>
  </varlistentry>
</variablelist>
    </refsect2>
  </refsect1>
</refentry>