toolkit/components/url-classifier/nsCheckSummedOutputStream.cpp

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

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

michael@0 1 //* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #include "nsILocalFile.h"
michael@0 7 #include "nsCRT.h"
michael@0 8 #include "nsIFile.h"
michael@0 9 #include "nsISupportsImpl.h"
michael@0 10 #include "nsCheckSummedOutputStream.h"
michael@0 11
michael@0 12 ////////////////////////////////////////////////////////////////////////////////
michael@0 13 // nsCheckSummedOutputStream
michael@0 14
michael@0 15 NS_IMPL_ISUPPORTS_INHERITED(nsCheckSummedOutputStream,
michael@0 16 nsSafeFileOutputStream,
michael@0 17 nsISafeOutputStream,
michael@0 18 nsIOutputStream,
michael@0 19 nsIFileOutputStream)
michael@0 20
michael@0 21 NS_IMETHODIMP
michael@0 22 nsCheckSummedOutputStream::Init(nsIFile* file, int32_t ioFlags, int32_t perm,
michael@0 23 int32_t behaviorFlags)
michael@0 24 {
michael@0 25 nsresult rv;
michael@0 26 mHash = do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID, &rv);
michael@0 27 NS_ENSURE_SUCCESS(rv, rv);
michael@0 28
michael@0 29 rv = mHash->Init(nsICryptoHash::MD5);
michael@0 30 NS_ENSURE_SUCCESS(rv, rv);
michael@0 31
michael@0 32 return nsSafeFileOutputStream::Init(file, ioFlags, perm, behaviorFlags);
michael@0 33 }
michael@0 34
michael@0 35 NS_IMETHODIMP
michael@0 36 nsCheckSummedOutputStream::Finish()
michael@0 37 {
michael@0 38 nsresult rv = mHash->Finish(false, mCheckSum);
michael@0 39 NS_ENSURE_SUCCESS(rv, rv);
michael@0 40
michael@0 41 uint32_t written;
michael@0 42 rv = nsSafeFileOutputStream::Write(reinterpret_cast<const char*>(mCheckSum.BeginReading()),
michael@0 43 mCheckSum.Length(), &written);
michael@0 44 NS_ASSERTION(written == mCheckSum.Length(), "Error writing stream checksum");
michael@0 45 NS_ENSURE_SUCCESS(rv, rv);
michael@0 46
michael@0 47 return nsSafeFileOutputStream::Finish();
michael@0 48 }
michael@0 49
michael@0 50 NS_IMETHODIMP
michael@0 51 nsCheckSummedOutputStream::Write(const char *buf, uint32_t count, uint32_t *result)
michael@0 52 {
michael@0 53 nsresult rv = mHash->Update(reinterpret_cast<const uint8_t*>(buf), count);
michael@0 54 NS_ENSURE_SUCCESS(rv, rv);
michael@0 55
michael@0 56 return nsSafeFileOutputStream::Write(buf, count, result);
michael@0 57 }
michael@0 58
michael@0 59 ////////////////////////////////////////////////////////////////////////////////

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