1 | /* $Id: string-base64.cpp 106061 2024-09-16 14:03:52Z vboxsync $ */
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2 | /** @file
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3 | * MS COM / XPCOM Abstraction Layer - UTF-8 and UTF-16 string classes, BASE64 bits.
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4 | */
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5 |
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6 | /*
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7 | * Copyright (C) 2006-2024 Oracle and/or its affiliates.
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8 | *
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9 | * This file is part of VirtualBox base platform packages, as
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10 | * available from https://www.virtualbox.org.
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11 | *
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12 | * This program is free software; you can redistribute it and/or
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13 | * modify it under the terms of the GNU General Public License
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14 | * as published by the Free Software Foundation, in version 3 of the
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15 | * License.
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16 | *
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17 | * This program is distributed in the hope that it will be useful, but
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18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 | * General Public License for more details.
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21 | *
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22 | * You should have received a copy of the GNU General Public License
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23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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24 | *
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25 | * SPDX-License-Identifier: GPL-3.0-only
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26 | */
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27 |
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28 | #include "VBox/com/string.h"
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29 |
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30 | #include <iprt/base64.h>
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31 | #include <iprt/errcore.h>
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32 |
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33 |
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34 | namespace com
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35 | {
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36 |
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37 | HRESULT Bstr::base64Encode(const void *pvData, size_t cbData, bool fLineBreaks /*= false*/)
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38 | {
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39 | uint32_t const fFlags = fLineBreaks ? RTBASE64_FLAGS_EOL_LF : RTBASE64_FLAGS_NO_LINE_BREAKS;
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40 | size_t cwcEncoded = RTBase64EncodedUtf16LengthEx(cbData, fFlags);
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41 | HRESULT hrc = reserveNoThrow(cwcEncoded + 1);
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42 | if (SUCCEEDED(hrc))
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43 | {
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44 | int vrc = RTBase64EncodeUtf16Ex(pvData, cbData, fFlags, mutableRaw(), cwcEncoded + 1, &cwcEncoded);
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45 | AssertRCReturnStmt(vrc, setNull(), E_FAIL);
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46 | hrc = joltNoThrow(cwcEncoded);
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47 | }
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48 | return hrc;
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49 | }
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50 |
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51 | int Bstr::base64Decode(void *pvData, size_t cbData, size_t *pcbActual /*= NULL*/, PRTUTF16 *ppwszEnd /*= NULL*/)
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52 | {
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53 | return RTBase64DecodeUtf16Ex(raw(), RTSTR_MAX, pvData, cbData, pcbActual, ppwszEnd);
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54 | }
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55 |
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56 | ssize_t Bstr::base64DecodedSize(PRTUTF16 *ppwszEnd /*= NULL*/)
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57 | {
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58 | return RTBase64DecodedUtf16SizeEx(raw(), RTSTR_MAX, ppwszEnd);
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59 | }
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60 |
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61 | } /* namespace com */
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