ad686b26ce
Change-Id: I6eb9f0431a9402479a2d90d5b6f68b611d52a9f9 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175957 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
756 lines
26 KiB
C++
756 lines
26 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#include <rtl/character.hxx>
|
|
#include <rtl/strbuf.hxx>
|
|
#include <rtl/textenc.h>
|
|
#include <rtl/textcvt.h>
|
|
#include <rtl/uri.h>
|
|
#include <rtl/uri.hxx>
|
|
#include <rtl/ustrbuf.h>
|
|
#include <rtl/ustrbuf.hxx>
|
|
#include <rtl/ustring.h>
|
|
#include <rtl/ustring.hxx>
|
|
#include <sal/types.h>
|
|
#include <sal/macros.h>
|
|
|
|
#include <uri_internal.hxx>
|
|
|
|
#include <algorithm>
|
|
#include <cstddef>
|
|
|
|
namespace {
|
|
|
|
sal_Unicode const cEscapePrefix = 0x25; // '%'
|
|
|
|
int getHexWeight(sal_uInt32 nUtf32)
|
|
{
|
|
return nUtf32 >= 0x30 && nUtf32 <= 0x39 ? // '0'--'9'
|
|
static_cast< int >(nUtf32 - 0x30) :
|
|
nUtf32 >= 0x41 && nUtf32 <= 0x46 ? // 'A'--'F'
|
|
static_cast< int >(nUtf32 - 0x41 + 10) :
|
|
nUtf32 >= 0x61 && nUtf32 <= 0x66 ? // 'a'--'f'
|
|
static_cast< int >(nUtf32 - 0x61 + 10) :
|
|
-1; // not a hex digit
|
|
}
|
|
|
|
bool isValid(sal_Bool const * pCharClass, sal_uInt32 nUtf32)
|
|
{
|
|
return nUtf32 < rtl::UriCharClassSize && pCharClass[nUtf32];
|
|
}
|
|
|
|
void writeUnicode(rtl_uString ** pBuffer, sal_Int32 * pCapacity,
|
|
sal_Unicode cChar)
|
|
{
|
|
rtl_uStringbuffer_insert(pBuffer, pCapacity, (*pBuffer)->length, &cChar, 1);
|
|
}
|
|
|
|
}
|
|
|
|
namespace rtl::uri::detail {
|
|
|
|
/** Read any of the following:
|
|
|
|
@li sequence of escape sequences representing character from eCharset,
|
|
translated to single UCS4 character; or
|
|
@li pair of UTF-16 surrogates, translated to single UCS4 character; or
|
|
@li single UTF-16 character, extended to UCS4 character.
|
|
*/
|
|
sal_uInt32 readUcs4(sal_Unicode const ** pBegin, sal_Unicode const * pEnd,
|
|
bool bEncoded, rtl_TextEncoding eCharset,
|
|
EscapeType * pType)
|
|
{
|
|
sal_uInt32 nChar = *(*pBegin)++;
|
|
int nWeight1;
|
|
int nWeight2;
|
|
if (nChar == cEscapePrefix && bEncoded && pEnd - *pBegin >= 2
|
|
&& (nWeight1 = getHexWeight((*pBegin)[0])) >= 0
|
|
&& (nWeight2 = getHexWeight((*pBegin)[1])) >= 0)
|
|
{
|
|
*pBegin += 2;
|
|
nChar = static_cast< sal_uInt32 >(nWeight1 << 4 | nWeight2);
|
|
if (nChar <= 0x7F)
|
|
{
|
|
*pType = EscapeChar;
|
|
}
|
|
else if (eCharset == RTL_TEXTENCODING_UTF8)
|
|
{
|
|
if (nChar >= 0xC0 && nChar <= 0xF4)
|
|
{
|
|
sal_uInt32 nEncoded;
|
|
int nShift;
|
|
sal_uInt32 nMin;
|
|
if (nChar <= 0xDF)
|
|
{
|
|
nEncoded = (nChar & 0x1F) << 6;
|
|
nShift = 0;
|
|
nMin = 0x80;
|
|
}
|
|
else if (nChar <= 0xEF)
|
|
{
|
|
nEncoded = (nChar & 0x0F) << 12;
|
|
nShift = 6;
|
|
nMin = 0x800;
|
|
}
|
|
else
|
|
{
|
|
nEncoded = (nChar & 0x07) << 18;
|
|
nShift = 12;
|
|
nMin = 0x10000;
|
|
}
|
|
|
|
sal_Unicode const * p = *pBegin;
|
|
bool bUTF8 = true;
|
|
|
|
for (; nShift >= 0; nShift -= 6)
|
|
{
|
|
if (pEnd - p < 3 || p[0] != cEscapePrefix
|
|
|| (nWeight1 = getHexWeight(p[1])) < 8
|
|
|| nWeight1 > 11
|
|
|| (nWeight2 = getHexWeight(p[2])) < 0)
|
|
{
|
|
bUTF8 = false;
|
|
break;
|
|
}
|
|
p += 3;
|
|
nEncoded |= ((nWeight1 & 3) << 4 | nWeight2) << nShift;
|
|
}
|
|
if (bUTF8 && rtl::isUnicodeScalarValue(nEncoded)
|
|
&& nEncoded >= nMin)
|
|
{
|
|
*pBegin = p;
|
|
*pType = EscapeChar;
|
|
return nEncoded;
|
|
}
|
|
}
|
|
*pType = EscapeOctet;
|
|
}
|
|
else
|
|
{
|
|
OStringBuffer aBuf(16);
|
|
aBuf.append(static_cast< char >(nChar));
|
|
rtl_TextToUnicodeConverter aConverter
|
|
= rtl_createTextToUnicodeConverter(eCharset);
|
|
sal_Unicode const * p = *pBegin;
|
|
|
|
for (;;)
|
|
{
|
|
sal_Unicode aDst[2];
|
|
sal_uInt32 nInfo;
|
|
sal_Size nConverted;
|
|
sal_Size nDstSize = rtl_convertTextToUnicode(
|
|
aConverter, nullptr, aBuf.getStr(), aBuf.getLength(), aDst,
|
|
SAL_N_ELEMENTS( aDst ),
|
|
(RTL_TEXTTOUNICODE_FLAGS_UNDEFINED_ERROR
|
|
| RTL_TEXTTOUNICODE_FLAGS_MBUNDEFINED_ERROR
|
|
| RTL_TEXTTOUNICODE_FLAGS_INVALID_ERROR),
|
|
&nInfo, &nConverted);
|
|
|
|
if (nInfo == 0)
|
|
{
|
|
assert( nConverted
|
|
== sal::static_int_cast< sal_uInt32 >(
|
|
aBuf.getLength()));
|
|
|
|
rtl_destroyTextToUnicodeConverter(aConverter);
|
|
*pBegin = p;
|
|
*pType = EscapeChar;
|
|
|
|
assert( nDstSize == 1
|
|
|| (nDstSize == 2 && rtl::isHighSurrogate(aDst[0])
|
|
&& rtl::isLowSurrogate(aDst[1])));
|
|
|
|
return nDstSize == 1
|
|
? aDst[0] : rtl::combineSurrogates(aDst[0], aDst[1]);
|
|
}
|
|
if (nInfo == RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOOSMALL
|
|
&& pEnd - p >= 3 && p[0] == cEscapePrefix
|
|
&& (nWeight1 = getHexWeight(p[1])) >= 0
|
|
&& (nWeight2 = getHexWeight(p[2])) >= 0)
|
|
{
|
|
p += 3;
|
|
aBuf.append(static_cast< char >(nWeight1 << 4 | nWeight2));
|
|
}
|
|
else if (nInfo == RTL_TEXTTOUNICODE_INFO_SRCBUFFERTOOSMALL
|
|
&& p != pEnd && *p <= 0x7F)
|
|
{
|
|
aBuf.append(static_cast< char >(*p++));
|
|
}
|
|
else
|
|
{
|
|
assert(
|
|
(nInfo & RTL_TEXTTOUNICODE_INFO_DESTBUFFERTOOSMALL)
|
|
== 0);
|
|
break;
|
|
}
|
|
}
|
|
rtl_destroyTextToUnicodeConverter(aConverter);
|
|
*pType = EscapeOctet;
|
|
}
|
|
return nChar;
|
|
}
|
|
|
|
*pType = EscapeNo;
|
|
return rtl::isHighSurrogate(nChar) && *pBegin < pEnd
|
|
&& rtl::isLowSurrogate(**pBegin) ?
|
|
rtl::combineSurrogates(nChar, *(*pBegin)++) : nChar;
|
|
}
|
|
|
|
}
|
|
|
|
namespace {
|
|
|
|
void writeUcs4(rtl_uString ** pBuffer, sal_Int32 * pCapacity, sal_uInt32 nUtf32)
|
|
{
|
|
rtl_uStringbuffer_insertUtf32(pBuffer, pCapacity, (*pBuffer)->length, nUtf32);
|
|
}
|
|
|
|
void writeEscapeOctet(rtl_uString ** pBuffer, sal_Int32 * pCapacity,
|
|
sal_uInt32 nOctet)
|
|
{
|
|
assert(nOctet <= 0xFF); // bad octet
|
|
|
|
static sal_Unicode const aHex[16]
|
|
= { 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
|
|
0x41, 0x42, 0x43, 0x44, 0x45, 0x46 }; /* '0'--'9', 'A'--'F' */
|
|
|
|
writeUnicode(pBuffer, pCapacity, cEscapePrefix);
|
|
writeUnicode(pBuffer, pCapacity, aHex[nOctet >> 4]);
|
|
writeUnicode(pBuffer, pCapacity, aHex[nOctet & 15]);
|
|
}
|
|
|
|
bool writeEscapeChar(rtl_uString ** pBuffer, sal_Int32 * pCapacity,
|
|
sal_uInt32 nUtf32, rtl_TextEncoding eCharset, bool bStrict)
|
|
{
|
|
assert(rtl::isUnicodeCodePoint(nUtf32));
|
|
if (eCharset == RTL_TEXTENCODING_UTF8)
|
|
{
|
|
if (nUtf32 < 0x80)
|
|
{
|
|
writeEscapeOctet(pBuffer, pCapacity, nUtf32);
|
|
}
|
|
else if (nUtf32 < 0x800)
|
|
{
|
|
writeEscapeOctet(pBuffer, pCapacity, nUtf32 >> 6 | 0xC0);
|
|
writeEscapeOctet(pBuffer, pCapacity, (nUtf32 & 0x3F) | 0x80);
|
|
}
|
|
else if (nUtf32 < 0x10000)
|
|
{
|
|
writeEscapeOctet(pBuffer, pCapacity, nUtf32 >> 12 | 0xE0);
|
|
writeEscapeOctet(pBuffer, pCapacity, (nUtf32 >> 6 & 0x3F) | 0x80);
|
|
writeEscapeOctet(pBuffer, pCapacity, (nUtf32 & 0x3F) | 0x80);
|
|
}
|
|
else
|
|
{
|
|
writeEscapeOctet(pBuffer, pCapacity, nUtf32 >> 18 | 0xF0);
|
|
writeEscapeOctet(pBuffer, pCapacity, (nUtf32 >> 12 & 0x3F) | 0x80);
|
|
writeEscapeOctet(pBuffer, pCapacity, (nUtf32 >> 6 & 0x3F) | 0x80);
|
|
writeEscapeOctet(pBuffer, pCapacity, (nUtf32 & 0x3F) | 0x80);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
rtl_UnicodeToTextConverter aConverter
|
|
= rtl_createUnicodeToTextConverter(eCharset);
|
|
sal_Unicode aSrc[2];
|
|
sal_Size nSrcSize = rtl::splitSurrogates(nUtf32, aSrc);
|
|
|
|
char aDst[32]; // FIXME random value
|
|
sal_uInt32 nInfo;
|
|
sal_Size nConverted;
|
|
sal_Size nDstSize = rtl_convertUnicodeToText(
|
|
aConverter, nullptr, aSrc, nSrcSize, aDst, sizeof aDst,
|
|
RTL_UNICODETOTEXT_FLAGS_UNDEFINED_ERROR
|
|
| RTL_UNICODETOTEXT_FLAGS_INVALID_ERROR
|
|
| RTL_UNICODETOTEXT_FLAGS_FLUSH,
|
|
&nInfo, &nConverted);
|
|
assert((nInfo & RTL_UNICODETOTEXT_INFO_DESTBUFFERTOSMALL) == 0);
|
|
rtl_destroyUnicodeToTextConverter(aConverter);
|
|
|
|
if (nInfo == 0)
|
|
{
|
|
assert(nConverted == nSrcSize); // bad rtl_convertUnicodeToText
|
|
|
|
for (sal_Size i = 0; i < nDstSize; ++i)
|
|
{
|
|
writeEscapeOctet(pBuffer, pCapacity,
|
|
static_cast< unsigned char >(aDst[i]));
|
|
// FIXME all octets are escaped, even if there is no need
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (bStrict)
|
|
return false;
|
|
|
|
writeUcs4(pBuffer, pCapacity, nUtf32);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
struct Component
|
|
{
|
|
sal_Unicode const * pBegin;
|
|
sal_Unicode const * pEnd;
|
|
|
|
Component(): pBegin(nullptr), pEnd(nullptr) {}
|
|
|
|
bool isPresent() const { return pBegin != nullptr; }
|
|
|
|
sal_Int32 getLength() const;
|
|
};
|
|
|
|
sal_Int32 Component::getLength() const
|
|
{
|
|
assert(isPresent()); // taking length of non-present component
|
|
return static_cast< sal_Int32 >(pEnd - pBegin);
|
|
}
|
|
|
|
struct Components
|
|
{
|
|
Component aScheme;
|
|
Component aAuthority;
|
|
Component aPath;
|
|
Component aQuery;
|
|
Component aFragment;
|
|
};
|
|
|
|
void parseUriRef(rtl_uString const * pUriRef, Components * pComponents)
|
|
{
|
|
// This algorithm is liberal and accepts various forms of illegal input.
|
|
|
|
sal_Unicode const * pBegin = pUriRef->buffer;
|
|
sal_Unicode const * pEnd = pBegin + pUriRef->length;
|
|
sal_Unicode const * pPos = pBegin;
|
|
|
|
if (pPos != pEnd && rtl::isAsciiAlpha(*pPos))
|
|
{
|
|
for (sal_Unicode const * p = pPos + 1; p != pEnd; ++p)
|
|
{
|
|
if (*p == ':')
|
|
{
|
|
pComponents->aScheme.pBegin = pBegin;
|
|
pComponents->aScheme.pEnd = ++p;
|
|
pPos = p;
|
|
break;
|
|
}
|
|
|
|
if (!rtl::isAsciiAlphanumeric(*p) && *p != '+' && *p != '-'
|
|
&& *p != '.')
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (pEnd - pPos >= 2 && pPos[0] == '/' && pPos[1] == '/')
|
|
{
|
|
pComponents->aAuthority.pBegin = pPos;
|
|
pPos += 2;
|
|
while (pPos != pEnd && *pPos != '/' && *pPos != '?' && *pPos != '#')
|
|
{
|
|
++pPos;
|
|
}
|
|
|
|
pComponents->aAuthority.pEnd = pPos;
|
|
}
|
|
|
|
pComponents->aPath.pBegin = pPos;
|
|
while (pPos != pEnd && *pPos != '?' && * pPos != '#')
|
|
{
|
|
++pPos;
|
|
}
|
|
|
|
pComponents->aPath.pEnd = pPos;
|
|
|
|
if (pPos != pEnd && *pPos == '?')
|
|
{
|
|
pComponents->aQuery.pBegin = pPos++;
|
|
while (pPos != pEnd && * pPos != '#')
|
|
{
|
|
++pPos;
|
|
}
|
|
|
|
pComponents->aQuery.pEnd = pPos;
|
|
}
|
|
|
|
if (pPos != pEnd)
|
|
{
|
|
assert(*pPos == '#');
|
|
pComponents->aFragment.pBegin = pPos;
|
|
pComponents->aFragment.pEnd = pEnd;
|
|
}
|
|
}
|
|
|
|
void appendPath(
|
|
OUStringBuffer & buffer, sal_Int32 bufferStart, bool precedingSlash,
|
|
sal_Unicode const * pathBegin, sal_Unicode const * pathEnd)
|
|
{
|
|
while (precedingSlash || pathBegin != pathEnd)
|
|
{
|
|
sal_Unicode const * p = pathBegin;
|
|
while (p != pathEnd && *p != '/')
|
|
{
|
|
++p;
|
|
}
|
|
|
|
std::size_t n = p - pathBegin;
|
|
if (n == 1 && pathBegin[0] == '.')
|
|
{
|
|
// input begins with "." -> remove from input (and done):
|
|
// i.e., !precedingSlash -> !precedingSlash
|
|
// input begins with "./" -> remove from input:
|
|
// i.e., !precedingSlash -> !precedingSlash
|
|
// input begins with "/." -> replace with "/" in input (and not yet
|
|
// done):
|
|
// i.e., precedingSlash -> precedingSlash
|
|
// input begins with "/./" -> replace with "/" in input:
|
|
// i.e., precedingSlash -> precedingSlash
|
|
}
|
|
else if (n == 2 && pathBegin[0] == '.' && pathBegin[1] == '.')
|
|
{
|
|
// input begins with ".." -> remove from input (and done):
|
|
// i.e., !precedingSlash -> !precedingSlash
|
|
// input begins with "../" -> remove from input
|
|
// i.e., !precedingSlash -> !precedingSlash
|
|
// input begins with "/.." -> replace with "/" in input, and shrink
|
|
// output (not yet done):
|
|
// i.e., precedingSlash -> precedingSlash
|
|
// input begins with "/../" -> replace with "/" in input, and shrink
|
|
// output:
|
|
// i.e., precedingSlash -> precedingSlash
|
|
if (precedingSlash)
|
|
{
|
|
buffer.truncate(
|
|
bufferStart
|
|
+ std::max<sal_Int32>(
|
|
rtl_ustr_lastIndexOfChar_WithLength(
|
|
buffer.getStr() + bufferStart,
|
|
buffer.getLength() - bufferStart, '/'),
|
|
0));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (precedingSlash)
|
|
buffer.append('/');
|
|
|
|
buffer.append(pathBegin, n);
|
|
precedingSlash = p != pathEnd;
|
|
}
|
|
pathBegin = p + (p == pathEnd ? 0 : 1);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
sal_Bool const * SAL_CALL rtl_getUriCharClass(rtl_UriCharClass eCharClass) noexcept
|
|
{
|
|
static constexpr std::array<sal_Bool, rtl::UriCharClassSize> aCharClass[] = {
|
|
rtl::createUriCharClass(u8""), // None
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+,-./:;=?@[]_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), // Uric
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+,-.:;=?@_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), // UricNoSlash
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+,-.;=@_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), // RelSegment
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+,-.:;=@_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), // RegName
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+,-.:;=_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), // Userinfo
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+,-.:=@_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"), // Pchar
|
|
rtl::createUriCharClass(
|
|
u8"!$&'()*+-./:?@_~"
|
|
"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz")}; // UnoParamValue
|
|
|
|
assert(
|
|
(eCharClass >= 0
|
|
&& (sal::static_int_cast< std::size_t >(eCharClass)
|
|
< SAL_N_ELEMENTS(aCharClass)))); // bad eCharClass
|
|
return aCharClass[eCharClass].data();
|
|
}
|
|
|
|
void SAL_CALL rtl_uriEncode(rtl_uString * pText, sal_Bool const * pCharClass,
|
|
rtl_UriEncodeMechanism eMechanism,
|
|
rtl_TextEncoding eCharset, rtl_uString ** pResult) noexcept
|
|
{
|
|
assert(!pCharClass[0x25]); // make sure the percent sign is encoded...
|
|
|
|
sal_Unicode const * p = pText->buffer;
|
|
sal_Unicode const * pEnd = p + pText->length;
|
|
sal_Int32 nCapacity = 256;
|
|
rtl_uString_new_WithLength(pResult, nCapacity);
|
|
|
|
while (p < pEnd)
|
|
{
|
|
rtl::uri::detail::EscapeType eType;
|
|
sal_uInt32 nUtf32 = rtl::uri::detail::readUcs4(
|
|
&p, pEnd,
|
|
(eMechanism == rtl_UriEncodeKeepEscapes
|
|
|| eMechanism == rtl_UriEncodeCheckEscapes
|
|
|| eMechanism == rtl_UriEncodeStrictKeepEscapes),
|
|
eMechanism == rtl_UriEncodeStrictKeepEscapes ? RTL_TEXTENCODING_UTF8 : eCharset,
|
|
&eType);
|
|
|
|
switch (eType)
|
|
{
|
|
case rtl::uri::detail::EscapeNo:
|
|
if (isValid(pCharClass, nUtf32)) // implies nUtf32 <= 0x7F
|
|
{
|
|
writeUnicode(pResult, &nCapacity,
|
|
static_cast< sal_Unicode >(nUtf32));
|
|
}
|
|
else if (!writeEscapeChar(
|
|
pResult, &nCapacity, nUtf32, eCharset,
|
|
(eMechanism == rtl_UriEncodeStrict
|
|
|| eMechanism == rtl_UriEncodeStrictKeepEscapes)))
|
|
{
|
|
rtl_uString_new(pResult);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case rtl::uri::detail::EscapeChar:
|
|
if (eMechanism == rtl_UriEncodeCheckEscapes
|
|
&& isValid(pCharClass, nUtf32)) // implies nUtf32 <= 0x7F
|
|
{
|
|
writeUnicode(pResult, &nCapacity,
|
|
static_cast< sal_Unicode >(nUtf32));
|
|
}
|
|
else if (!writeEscapeChar(
|
|
pResult, &nCapacity, nUtf32, eCharset,
|
|
(eMechanism == rtl_UriEncodeStrict
|
|
|| eMechanism == rtl_UriEncodeStrictKeepEscapes)))
|
|
{
|
|
rtl_uString_new(pResult);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
case rtl::uri::detail::EscapeOctet:
|
|
writeEscapeOctet(pResult, &nCapacity, nUtf32);
|
|
break;
|
|
}
|
|
}
|
|
*pResult = rtl_uStringBuffer_makeStringAndClear(pResult, &nCapacity);
|
|
}
|
|
|
|
void SAL_CALL rtl_uriDecode(rtl_uString * pText,
|
|
rtl_UriDecodeMechanism eMechanism,
|
|
rtl_TextEncoding eCharset, rtl_uString ** pResult) noexcept
|
|
{
|
|
switch (eMechanism)
|
|
{
|
|
case rtl_UriDecodeNone:
|
|
rtl_uString_assign(pResult, pText);
|
|
break;
|
|
|
|
case rtl_UriDecodeToIuri:
|
|
eCharset = RTL_TEXTENCODING_UTF8;
|
|
[[fallthrough]];
|
|
default: // rtl_UriDecodeWithCharset, rtl_UriDecodeStrict
|
|
{
|
|
sal_Unicode const * p = pText->buffer;
|
|
sal_Unicode const * pEnd = p + pText->length;
|
|
sal_Int32 nCapacity = pText->length;
|
|
rtl_uString_new_WithLength(pResult, nCapacity);
|
|
|
|
while (p < pEnd)
|
|
{
|
|
rtl::uri::detail::EscapeType eType;
|
|
sal_uInt32 nUtf32 = rtl::uri::detail::readUcs4(&p, pEnd, true, eCharset, &eType);
|
|
switch (eType)
|
|
{
|
|
case rtl::uri::detail::EscapeChar:
|
|
if (nUtf32 <= 0x7F && eMechanism == rtl_UriDecodeToIuri)
|
|
{
|
|
writeEscapeOctet(pResult, &nCapacity, nUtf32);
|
|
break;
|
|
}
|
|
[[fallthrough]];
|
|
|
|
case rtl::uri::detail::EscapeNo:
|
|
writeUcs4(pResult, &nCapacity, nUtf32);
|
|
break;
|
|
|
|
case rtl::uri::detail::EscapeOctet:
|
|
if (eMechanism == rtl_UriDecodeStrict)
|
|
{
|
|
rtl_uString_new(pResult);
|
|
return;
|
|
}
|
|
writeEscapeOctet(pResult, &nCapacity, nUtf32);
|
|
break;
|
|
}
|
|
}
|
|
|
|
*pResult = rtl_uStringBuffer_makeStringAndClear( pResult, &nCapacity );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
sal_Bool SAL_CALL rtl_uriConvertRelToAbs(rtl_uString * pBaseUriRef,
|
|
rtl_uString * pRelUriRef,
|
|
rtl_uString ** pResult,
|
|
rtl_uString ** pException) noexcept
|
|
{
|
|
// Use the strict parser algorithm from RFC 3986, section 5.2, to turn the
|
|
// relative URI into an absolute one:
|
|
Components aRelComponents;
|
|
parseUriRef(pRelUriRef, &aRelComponents);
|
|
OUStringBuffer aBuffer(256);
|
|
|
|
if (aRelComponents.aScheme.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aScheme.pBegin,
|
|
aRelComponents.aScheme.getLength());
|
|
|
|
if (aRelComponents.aAuthority.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aAuthority.pBegin,
|
|
aRelComponents.aAuthority.getLength());
|
|
}
|
|
|
|
appendPath(
|
|
aBuffer, aBuffer.getLength(), false, aRelComponents.aPath.pBegin,
|
|
aRelComponents.aPath.pEnd);
|
|
|
|
if (aRelComponents.aQuery.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aQuery.pBegin,
|
|
aRelComponents.aQuery.getLength());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
Components aBaseComponents;
|
|
parseUriRef(pBaseUriRef, &aBaseComponents);
|
|
if (!aBaseComponents.aScheme.isPresent())
|
|
{
|
|
rtl_uString_assign(
|
|
pException,
|
|
(OUString(
|
|
"<" + OUString::unacquired(&pBaseUriRef)
|
|
+ "> does not start with a scheme component")
|
|
.pData));
|
|
return false;
|
|
}
|
|
|
|
aBuffer.append(aBaseComponents.aScheme.pBegin,
|
|
aBaseComponents.aScheme.getLength());
|
|
if (aRelComponents.aAuthority.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aAuthority.pBegin,
|
|
aRelComponents.aAuthority.getLength());
|
|
appendPath(
|
|
aBuffer, aBuffer.getLength(), false,
|
|
aRelComponents.aPath.pBegin, aRelComponents.aPath.pEnd);
|
|
|
|
if (aRelComponents.aQuery.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aQuery.pBegin,
|
|
aRelComponents.aQuery.getLength());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (aBaseComponents.aAuthority.isPresent())
|
|
{
|
|
aBuffer.append(aBaseComponents.aAuthority.pBegin,
|
|
aBaseComponents.aAuthority.getLength());
|
|
}
|
|
|
|
if (aRelComponents.aPath.pBegin == aRelComponents.aPath.pEnd)
|
|
{
|
|
aBuffer.append(aBaseComponents.aPath.pBegin,
|
|
aBaseComponents.aPath.getLength());
|
|
if (aRelComponents.aQuery.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aQuery.pBegin,
|
|
aRelComponents.aQuery.getLength());
|
|
}
|
|
else if (aBaseComponents.aQuery.isPresent())
|
|
{
|
|
aBuffer.append(aBaseComponents.aQuery.pBegin,
|
|
aBaseComponents.aQuery.getLength());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (*aRelComponents.aPath.pBegin == '/')
|
|
{
|
|
appendPath(
|
|
aBuffer, aBuffer.getLength(), false,
|
|
aRelComponents.aPath.pBegin, aRelComponents.aPath.pEnd);
|
|
}
|
|
else if (aBaseComponents.aAuthority.isPresent()
|
|
&& aBaseComponents.aPath.pBegin
|
|
== aBaseComponents.aPath.pEnd)
|
|
{
|
|
appendPath(
|
|
aBuffer, aBuffer.getLength(), true,
|
|
aRelComponents.aPath.pBegin, aRelComponents.aPath.pEnd);
|
|
}
|
|
else
|
|
{
|
|
sal_Int32 n = aBuffer.getLength();
|
|
sal_Int32 i = rtl_ustr_lastIndexOfChar_WithLength(
|
|
aBaseComponents.aPath.pBegin,
|
|
aBaseComponents.aPath.getLength(), '/');
|
|
|
|
if (i >= 0)
|
|
{
|
|
appendPath(
|
|
aBuffer, n, false, aBaseComponents.aPath.pBegin,
|
|
aBaseComponents.aPath.pBegin + i);
|
|
}
|
|
|
|
appendPath(
|
|
aBuffer, n, i >= 0, aRelComponents.aPath.pBegin,
|
|
aRelComponents.aPath.pEnd);
|
|
}
|
|
|
|
if (aRelComponents.aQuery.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aQuery.pBegin,
|
|
aRelComponents.aQuery.getLength());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (aRelComponents.aFragment.isPresent())
|
|
{
|
|
aBuffer.append(aRelComponents.aFragment.pBegin,
|
|
aRelComponents.aFragment.getLength());
|
|
}
|
|
|
|
rtl_uString_assign(pResult, aBuffer.makeStringAndClear().pData);
|
|
return true;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|