netwerk/base/public/nsIContentSniffer.idl@97036ab72558
netwerk/base/public/nsIContentSniffer.idl
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
5 #include "nsISupports.idl"
7 interface nsIRequest;
9 /**
10 * Content sniffer interface. Components implementing this interface can
11 * determine a MIME type from a chunk of bytes.
12 */
13 [scriptable, uuid(a5772d1b-fc63-495e-a169-96e8d3311af0)]
14 interface nsIContentSniffer : nsISupports
15 {
16 /**
17 * Given a chunk of data, determines a MIME type. Information from the given
18 * request may be used in order to make a better decision.
19 *
20 * @param aRequest The request where this data came from. May be null.
21 * @param aData Data to check
22 * @param aLength Length of the data
23 *
24 * @return The content type
25 *
26 * @throw NS_ERROR_NOT_AVAILABLE if no MIME type could be determined.
27 *
28 * @note Implementations should consider the request read-only. Especially,
29 * they should not attempt to set the content type property that subclasses of
30 * nsIRequest might offer.
31 */
32 ACString getMIMETypeFromContent(in nsIRequest aRequest,
33 [const,array,size_is(aLength)] in octet aData,
34 in unsigned long aLength);
35 };
