The Tor Browser: dom/base/nsIScriptChannel.idl@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #include "nsISupports.idl"

     8 /**

     9  * An interface representing a channel which will have to execute some sort of

    10  * program provided via its URI to compute the data it should return.

    11  *

    12  * If a channel implements this interface, the execution of the program in

    13  * question will be restricted in the following ways:

    14  *

    15  * - If the channel does not have an owner principal, the program will not be

    16  *   executed at all, no matter what.  This is necessary because in this

    17  *   circumstance we have no way to tell whether script execution is allowed at

    18  *   all for the originating security context of this channel.

    19  * - If the channel has an owner principal, how it is executed is controlled by

    20  *   this interface.  However if the owner principal does not subsume the

    21  *   principal of the environment in which the program is to be executed the

    22  *   execution will be forced to happen in a sandbox.

    23  */

    24 [scriptable, uuid(33234b99-9588-4c7d-9da6-86b8b7cba565)]

    25 interface nsIScriptChannel : nsISupports

    26 {

    27   /**

    28    * Possible ways of executing the program.

    29    */

    31   /**

    32    * Don't execute at all.

    33    */

    34   const unsigned long NO_EXECUTION = 0;

    36   /**

    37    * Execute in a sandbox, no matter how the various principals involved are

    38    * related to each other.

    39    */

    40   const unsigned long EXECUTE_IN_SANDBOX = 1;

    42   /**

    43    * Execute against the target environment if the principals allow it.

    44    */

    45   const unsigned long EXECUTE_NORMAL = 2;

    47   /**

    48    * Whether and how the program represented by this channel is to be executed.

    49    * The default value if this property has never been set on this channel MUST

    50    * be either EXECUTE_IN_SANDBOX or NO_EXECUTION.

    51    *

    52    * @throws NS_ERROR_INVALID_ARG when set to an unrecognized value.

    53    */

    54   attribute unsigned long executionPolicy;

    56   /**

    57    * Control whether the program should be executed synchronosly when

    58    * the channel's AsyncOpen method is called or whether it should be

    59    * executed asynchronously.  In both cases, any data that the

    60    * channel returns will be returned asynchronously; the only thing

    61    * this property affects is when the program executes.

    62    *

    63    * The default value of this property is TRUE.

    64    *

    65    * Setting this property after asyncOpen has been called on the

    66    * channel has no effect.

    67    */

    68   attribute boolean executeAsync;

    69 };

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