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Diffstat (limited to 'tools/source/fsys/urlobj.cxx')
| -rw-r--r-- | tools/source/fsys/urlobj.cxx | 4830 |
1 files changed, 4830 insertions, 0 deletions
diff --git a/tools/source/fsys/urlobj.cxx b/tools/source/fsys/urlobj.cxx new file mode 100644 index 000000000..00e3207b2 --- /dev/null +++ b/tools/source/fsys/urlobj.cxx @@ -0,0 +1,4830 @@ +/* -*- 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 <sal/config.h> + +#include <tools/urlobj.hxx> +#include <tools/debug.hxx> +#include <tools/inetmime.hxx> +#include <tools/stream.hxx> +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/util/XStringWidth.hpp> +#include <o3tl/enumarray.hxx> +#include <osl/diagnose.h> +#include <osl/file.hxx> +#include <rtl/character.hxx> +#include <rtl/string.h> +#include <rtl/textenc.h> +#include <rtl/ustring.hxx> +#include <sal/log.hxx> +#include <sal/types.h> + +#include <algorithm> +#include <cassert> +#include <limits> +#include <memory> +#include <string_view> + +#include <string.h> + +#include <com/sun/star/uno/Sequence.hxx> +#include <comphelper/base64.hxx> +#include <comphelper/string.hxx> + +using namespace css; + +// INetURLObject + +/* The URI grammar (using RFC 2234 conventions). + + Constructs of the form + {reference <rule1> using rule2} + stand for a rule matching the given rule1 specified in the given reference, + encoded to URI syntax using rule2 (as specified in this URI grammar). + + + ; RFC 1738, RFC 2396, RFC 2732, private + login = [user [":" password] "@"] hostport + user = *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ";" / "=" / "_" / "~") + password = *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ";" / "=" / "_" / "~") + hostport = host [":" port] + host = incomplete-hostname / hostname / IPv4address / IPv6reference + incomplete-hostname = *(domainlabel ".") domainlabel + hostname = *(domainlabel ".") toplabel ["."] + domainlabel = alphanum [*(alphanum / "-") alphanum] + toplabel = ALPHA [*(alphanum / "-") alphanum] + IPv4address = 1*3DIGIT "." 1*3DIGIT "." 1*3DIGIT "." 1*3DIGIT + IPv6reference = "[" hexpart [":" IPv4address] "]" + hexpart = (hexseq ["::" [hexseq]]) / ("::" [hexseq]) + hexseq = hex4 *(":" hex4) + hex4 = 1*4HEXDIG + port = *DIGIT + escaped = "%" HEXDIG HEXDIG + reserved = "$" / "&" / "+" / "," / "/" / ":" / ";" / "=" / "?" / "@" / "[" / "]" + mark = "!" / "'" / "(" / ")" / "*" / "-" / "." / "_" / "~" + alphanum = ALPHA / DIGIT + unreserved = alphanum / mark + uric = escaped / reserved / unreserved + pchar = escaped / unreserved / "$" / "&" / "+" / "," / ":" / "=" / "@" + + + ; RFC 1738, RFC 2396 + ftp-url = "FTP://" login ["/" segment *("/" segment) [";TYPE=" ("A" / "D" / "I")]] + segment = *pchar + + + ; RFC 1738, RFC 2396 + http-url = "HTTP://" hostport ["/" segment *("/" segment) ["?" *uric]] + segment = *(pchar / ";") + + + ; RFC 1738, RFC 2396, <http://support.microsoft.com/default.aspx?scid=KB;EN-US;Q188997&> + file-url = "FILE://" [host / "LOCALHOST" / netbios-name] ["/" segment *("/" segment)] + segment = *pchar + netbios-name = 1*{<alphanum / "!" / "#" / "$" / "%" / "&" / "'" / "(" / ")" / "-" / "." / "@" / "^" / "_" / "{" / "}" / "~"> using (escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "-" / "." / "@" / "_" / "~")} + + + ; RFC 2368, RFC 2396 + mailto-url = "MAILTO:" [to] [headers] + to = {RFC 822 <#mailbox> using *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "@" / "_" / "~")} + headers = "?" header *("&" header) + header = hname "=" hvalue + hname = {RFC 822 <field-name> using *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "@" / "_" / "~")} / "BODY" + hvalue = {RFC 822 <field-body> using *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "@" / "_" / "~")} + + + ; private (see RFC 1738, RFC 2396) + vnd-sun-star-webdav-url = "VND.SUN.STAR.WEBDAV://" hostport ["/" segment *("/" segment) ["?" *uric]] + segment = *(pchar / ";") + + + ; private + private-url = "PRIVATE:" path ["?" *uric] + path = *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + vnd-sun-star-help-url = "VND.SUN.STAR.HELP://" name *("/" segment) ["?" *uric] + name = *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ":" / ";" / "=" / "@" / "_" / "~") + segment = *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + https-url = "HTTPS://" hostport ["/" segment *("/" segment) ["?" *uric]] + segment = *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + slot-url = "SLOT:" path ["?" *uric] + path = *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + macro-url = "MACRO:" path ["?" *uric] + path = *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + javascript-url = "JAVASCRIPT:" *uric + + + ; RFC 2397 + data-url = "DATA:" [mediatype] [";BASE64"] "," *uric + mediatype = [type "/" subtype] *(";" attribute "=" value) + type = {RFC 2045 <type> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / ":" / "?" / "@" / "_" / "~")} + subtype = {RFC 2045 <subtype> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / ":" / "?" / "@" / "_" / "~")} + attribute = {RFC 2045 <subtype> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / ":" / "?" / "@" / "_" / "~")} + value = {RFC 2045 <subtype> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / ":" / "?" / "@" / "_" / "~")} + + + ; RFC 2392, RFC 2396 + cid-url = "CID:" {RFC 822 <addr-spec> using *uric} + + + ; private + vnd-sun-star-hier-url = "VND.SUN.STAR.HIER:" ["//"reg_name] *("/" *pchar) + reg_name = 1*(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + uno-url = ".UNO:" path ["?" *uric] + path = *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + component-url = ".COMPONENT:" path ["?" *uric] + path = *(escaped / alphanum / "!" / "$" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~") + + + ; private + vnd-sun-star-pkg-url = "VND.SUN.STAR.PKG://" reg_name *("/" *pchar) ["?" *uric] + reg_name = 1*(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / ":" / ";" / "=" / "@" / "_" / "~") + + + ; RFC 2255 + ldap-url = "LDAP://" [hostport] ["/" [dn ["?" [attrdesct *("," attrdesc)] ["?" ["base" / "one" / "sub"] ["?" [filter] ["?" extension *("," extension)]]]]]] + dn = {RFC 2253 <distinguishedName> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~")} + attrdesc = {RFC 2251 <AttributeDescription> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~")} + filter = {RFC 2254 <filter> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~")} + extension = ["!"] ["X-"] extoken ["=" exvalue] + extoken = {RFC 2252 <oid> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / "/" / ":" / ";" / "@" / "_" / "~")} + exvalue = {RFC 2251 <LDAPString> using *(escaped / alphanum / "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "-" / "." / "/" / ":" / ";" / "=" / "@" / "_" / "~")} + + + ; private + db-url = "DB:" *uric + + + ; private + vnd-sun-star-cmd-url = "VND.SUN.STAR.CMD:" opaque_part + opaque_part = uric_no_slash *uric + uric_no_slash = unreserved / escaped / ";" / "?" / ":" / "@" / "&" / "=" / "+" / "$" / "," + + + ; RFC 1738 + telnet-url = "TELNET://" login ["/"] + + + ; private + vnd-sun-star-expand-url = "VND.SUN.STAR.EXPAND:" opaque_part + opaque_part = uric_no_slash *uric + uric_no_slash = unreserved / escaped / ";" / "?" / ":" / "@" / "&" / "=" / "+" / "$" / "," + + + ; private + vnd-sun-star-tdoc-url = "VND.SUN.STAR.TDOC:/" segment *("/" segment) + segment = *pchar + + + ; private + unknown-url = scheme ":" 1*uric + scheme = ALPHA *(alphanum / "+" / "-" / ".") + + + ; private (http://ubiqx.org/cifs/Appendix-D.html): + smb-url = "SMB://" login ["/" segment *("/" segment) ["?" *uric]] + segment = *(pchar / ";") + */ + +sal_Int32 INetURLObject::SubString::clear() +{ + sal_Int32 nDelta = -m_nLength; + m_nBegin = -1; + m_nLength = 0; + return nDelta; +} + +sal_Int32 INetURLObject::SubString::set(OUStringBuffer & rString, + std::u16string_view rSubString) +{ + sal_Int32 nDelta = rSubString.size() - m_nLength; + + rString.remove(m_nBegin, m_nLength); + rString.insert(m_nBegin, rSubString); + + m_nLength = rSubString.size(); + return nDelta; +} + +sal_Int32 INetURLObject::SubString::set(OUString & rString, + std::u16string_view rSubString) +{ + sal_Int32 nDelta = rSubString.size() - m_nLength; + + rString = OUString::Concat(rString.subView(0, m_nBegin)) + + rSubString + rString.subView(m_nBegin + m_nLength); + + m_nLength = rSubString.size(); + return nDelta; +} + +sal_Int32 INetURLObject::SubString::set(OUStringBuffer & rString, + std::u16string_view rSubString, + sal_Int32 nTheBegin) +{ + m_nBegin = nTheBegin; + return set(rString, rSubString); +} + +inline void INetURLObject::SubString::operator +=(sal_Int32 nDelta) +{ + if (isPresent()) + m_nBegin = m_nBegin + nDelta; +} + +int INetURLObject::SubString::compare(SubString const & rOther, + OUStringBuffer const & rThisString, + OUStringBuffer const & rOtherString) const +{ + sal_Int32 len = std::min(m_nLength, rOther.m_nLength); + sal_Unicode const * p1 = rThisString.getStr() + m_nBegin; + sal_Unicode const * end = p1 + len; + sal_Unicode const * p2 = rOtherString.getStr() + rOther.m_nBegin; + while (p1 != end) { + if (*p1 < *p2) { + return -1; + } else if (*p1 > *p2) { + return 1; + } + ++p1; + ++p2; + } + return m_nLength < rOther.m_nLength ? -1 + : m_nLength > rOther.m_nLength ? 1 + : 0; +} + +struct INetURLObject::SchemeInfo +{ + rtl::OUStringConstExpr m_sScheme; + char const * m_pPrefix; + bool m_bAuthority; + bool m_bUser; + bool m_bAuth; + bool m_bPassword; + bool m_bHost; + bool m_bPort; + bool m_bHierarchical; + bool m_bQuery; +}; + +struct INetURLObject::PrefixInfo +{ + enum class Kind { Official, Internal, External }; // order is important! + + char const * m_pPrefix; + char const * m_pTranslatedPrefix; + INetProtocol m_eScheme; + Kind m_eKind; +}; + +// static +inline INetURLObject::SchemeInfo const & +INetURLObject::getSchemeInfo(INetProtocol eTheScheme) +{ + static constexpr OUStringLiteral EMPTY = u""; + static constexpr OUStringLiteral FTP = u"ftp"; + static constexpr OUStringLiteral HTTP = u"http"; + static constexpr OUStringLiteral FILE1 = u"file"; // because FILE is already defined + static constexpr OUStringLiteral MAILTO = u"mailto"; + static constexpr OUStringLiteral VND_WEBDAV = u"vnd.sun.star.webdav"; + static constexpr OUStringLiteral PRIVATE = u"private"; + static constexpr OUStringLiteral VND_HELP = u"vnd.sun.star.help"; + static constexpr OUStringLiteral HTTPS = u"https"; + static constexpr OUStringLiteral SLOT = u"slot"; + static constexpr OUStringLiteral MACRO = u"macro"; + static constexpr OUStringLiteral JAVASCRIPT = u"javascript"; + static constexpr OUStringLiteral DATA = u"data"; + static constexpr OUStringLiteral CID = u"cid"; + static constexpr OUStringLiteral VND_HIER = u"vnd.sun.star.hier"; + static constexpr OUStringLiteral UNO = u".uno"; + static constexpr OUStringLiteral COMPONENT = u".component"; + static constexpr OUStringLiteral VND_PKG = u"vnd.sun.star.pkg"; + static constexpr OUStringLiteral LDAP = u"ldap"; + static constexpr OUStringLiteral DB = u"db"; + static constexpr OUStringLiteral VND_CMD = u"vnd.sun.star.cmd"; + static constexpr OUStringLiteral TELNET = u"telnet"; + static constexpr OUStringLiteral VND_EXPAND = u"vnd.sun.star.expand"; + static constexpr OUStringLiteral VND_TDOC = u"vnd.sun.star.tdoc"; + static constexpr OUStringLiteral SMB = u"smb"; + static constexpr OUStringLiteral HID = u"hid"; + static constexpr OUStringLiteral SFTP = u"sftp"; + static constexpr OUStringLiteral VND_CMIS = u"vnd.libreoffice.cmis"; + + static o3tl::enumarray<INetProtocol, SchemeInfo> const map = { + SchemeInfo{ + EMPTY, "", false, false, false, false, false, false, false, false}, + SchemeInfo{ + FTP, "ftp://", true, true, false, true, true, true, true, + false}, + SchemeInfo{ + HTTP, "http://", true, false, false, false, true, true, true, + true}, + SchemeInfo{ + FILE1, "file://", true, false, false, false, true, false, true, + false}, + SchemeInfo{ + MAILTO, "mailto:", false, false, false, false, false, false, + false, true}, + SchemeInfo{ + VND_WEBDAV, "vnd.sun.star.webdav://", true, false, + false, false, true, true, true, true}, + SchemeInfo{ + PRIVATE, "private:", false, false, false, false, false, false, + false, true}, + SchemeInfo{ + VND_HELP, "vnd.sun.star.help://", true, false, false, + false, false, false, true, true}, + SchemeInfo{ + HTTPS, "https://", true, false, false, false, true, true, + true, true}, + SchemeInfo{ + SLOT, "slot:", false, false, false, false, false, false, false, + true}, + SchemeInfo{ + MACRO, "macro:", false, false, false, false, false, false, + false, true}, + SchemeInfo{ + JAVASCRIPT, "javascript:", false, false, false, false, false, + false, false, false}, + SchemeInfo{ + DATA, "data:", false, false, false, false, false, false, false, + false}, + SchemeInfo{ + CID, "cid:", false, false, false, false, false, false, false, + false}, + SchemeInfo{ + VND_HIER, "vnd.sun.star.hier:", true, false, false, + false, false, false, true, false}, + SchemeInfo{ + UNO, ".uno:", false, false, false, false, false, false, false, + true}, + SchemeInfo{ + COMPONENT, ".component:", false, false, false, false, false, + false, false, true}, + SchemeInfo{ + VND_PKG, "vnd.sun.star.pkg://", true, false, false, + false, false, false, true, true}, + SchemeInfo{ + LDAP, "ldap://", true, false, false, false, true, true, + false, true}, + SchemeInfo{ + DB, "db:", false, false, false, false, false, false, false, + false}, + SchemeInfo{ + VND_CMD, "vnd.sun.star.cmd:", false, false, false, + false, false, false, false, false}, + SchemeInfo{ + TELNET, "telnet://", true, true, false, true, true, true, + true, false}, + SchemeInfo{ + VND_EXPAND, "vnd.sun.star.expand:", false, false, + false, false, false, false, false, false}, + SchemeInfo{ + VND_TDOC, "vnd.sun.star.tdoc:", false, false, false, + false, false, false, true, false}, + SchemeInfo{ + EMPTY, "", false, false, false, false, true, true, true, false }, + SchemeInfo{ + SMB, "smb://", true, true, false, true, true, true, true, + true}, + SchemeInfo{ + HID, "hid:", false, false, false, false, false, false, false, + true}, + SchemeInfo{ + SFTP, "sftp://", true, true, false, true, true, true, true, + true}, + SchemeInfo{ + VND_CMIS, "vnd.libreoffice.cmis://", true, true, + false, false, true, false, true, true} }; + return map[eTheScheme]; +}; + +inline INetURLObject::SchemeInfo const & INetURLObject::getSchemeInfo() const +{ + return getSchemeInfo(m_eScheme); +} + +namespace { + +sal_Unicode getHexDigit(sal_uInt32 nWeight) +{ + assert(nWeight < 16); + static const sal_Unicode aDigits[16] + = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', + 'D', 'E', 'F' }; + return aDigits[nWeight]; +} + +} + +// static +inline void INetURLObject::appendEscape(OUStringBuffer & rTheText, + sal_uInt32 nOctet) +{ + rTheText.append( '%' ); + rTheText.append( getHexDigit(nOctet >> 4) ); + rTheText.append( getHexDigit(nOctet & 15) ); +} + +namespace { + +enum +{ + PA = INetURLObject::PART_USER_PASSWORD, + PD = INetURLObject::PART_FPATH, + PE = INetURLObject::PART_AUTHORITY, + PF = INetURLObject::PART_REL_SEGMENT_EXTRA, + PG = INetURLObject::PART_URIC, + PH = INetURLObject::PART_HTTP_PATH, + PI = INetURLObject::PART_MESSAGE_ID_PATH, + PJ = INetURLObject::PART_MAILTO, + PK = INetURLObject::PART_PATH_BEFORE_QUERY, + PL = INetURLObject::PART_PCHAR, + PM = INetURLObject::PART_VISIBLE, + PN = INetURLObject::PART_VISIBLE_NONSPECIAL, + PO = INetURLObject::PART_UNO_PARAM_VALUE, + PP = INetURLObject::PART_UNAMBIGUOUS, + PQ = INetURLObject::PART_URIC_NO_SLASH, + PR = INetURLObject::PART_HTTP_QUERY, +}; + +sal_uInt32 const aMustEncodeMap[128] + = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +/* */ PP, +/* ! */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* " */ PM+PN +PP, +/* # */ PM, +/* $ */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* % */ PM, +/* & */ PA +PD+PE+PF+PG+PH+PI +PK+PL+PM+PN+PO +PQ+PR, +/* ' */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* ( */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* ) */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* * */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* + */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO +PQ+PR, +/* , */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN +PQ+PR, +/* - */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* . */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* / */ +PD +PG+PH+PI+PJ+PK +PM+PN+PO, +/* 0 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 1 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 2 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 3 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 4 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 5 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 6 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 7 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 8 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* 9 */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* : */ +PD+PE +PG+PH+PI+PJ+PK+PL+PM+PN+PO +PQ+PR, +/* ; */ PA +PE+PF+PG+PH+PI+PJ+PK +PM +PQ+PR, +/* < */ +PI +PM+PN +PP, +/* = */ PA +PD+PE+PF+PG+PH +PK+PL+PM+PN +PQ+PR, +/* > */ +PI +PM+PN +PP, +/* ? */ +PG +PM +PO +PQ, +/* @ */ +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* A */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* B */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* C */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* D */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* E */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* F */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* G */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* H */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* I */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* J */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* K */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* L */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* M */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* N */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* O */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* P */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* Q */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* R */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* S */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* T */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* U */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* V */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* W */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* X */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* Y */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* Z */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* [ */ PG +PM+PN+PO, +/* \ */ +PM+PN +PP, +/* ] */ PG +PM+PN+PO, +/* ^ */ PM+PN +PP, +/* _ */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* ` */ PM+PN +PP, +/* a */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* b */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* c */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* d */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* e */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* f */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* g */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* h */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* i */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* j */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* k */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* l */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* m */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* n */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* o */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* p */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* q */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* r */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* s */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* t */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* u */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* v */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* w */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* x */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* y */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* z */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ+PR, +/* { */ PM+PN +PP, +/* | */ +PM+PN +PP, +/* } */ PM+PN +PP, +/* ~ */ PA +PD+PE+PF+PG+PH+PI+PJ+PK+PL+PM+PN+PO+PP+PQ, + 0 }; + +bool mustEncode(sal_uInt32 nUTF32, INetURLObject::Part ePart) +{ + return !rtl::isAscii(nUTF32) || !(aMustEncodeMap[nUTF32] & ePart); +} + +} + +void INetURLObject::setInvalid() +{ + m_aAbsURIRef.setLength(0); + m_eScheme = INetProtocol::NotValid; + m_aScheme.clear(); + m_aUser.clear(); + m_aAuth.clear(); + m_aHost.clear(); + m_aPort.clear(); + m_aPath.clear(); + m_aQuery.clear(); + m_aFragment.clear(); +} + +namespace { + +std::unique_ptr<SvMemoryStream> memoryStream( + void const * data, sal_Int32 length) +{ + std::unique_ptr<char[]> b( + new char[length]); + memcpy(b.get(), data, length); + std::unique_ptr<SvMemoryStream> s( + new SvMemoryStream(b.get(), length, StreamMode::READ)); + s->ObjectOwnsMemory(true); + b.release(); + return s; +} + +} + +std::unique_ptr<SvMemoryStream> INetURLObject::getData() const +{ + if( GetProtocol() != INetProtocol::Data ) + { + return nullptr; + } + + OUString sURLPath = GetURLPath( DecodeMechanism::WithCharset, RTL_TEXTENCODING_ISO_8859_1 ); + sal_Unicode const * pSkippedMediatype = INetMIME::scanContentType( sURLPath ); + sal_Int32 nCharactersSkipped = pSkippedMediatype == nullptr + ? 0 : pSkippedMediatype-sURLPath.getStr(); + if (sURLPath.match(",", nCharactersSkipped)) + { + nCharactersSkipped += strlen(","); + OString sURLEncodedData( + sURLPath.getStr() + nCharactersSkipped, + sURLPath.getLength() - nCharactersSkipped, + RTL_TEXTENCODING_ISO_8859_1, OUSTRING_TO_OSTRING_CVTFLAGS); + return memoryStream( + sURLEncodedData.getStr(), sURLEncodedData.getLength()); + } + else if (sURLPath.matchIgnoreAsciiCase(";base64,", nCharactersSkipped)) + { + nCharactersSkipped += strlen(";base64,"); + std::u16string_view sBase64Data = sURLPath.subView( nCharactersSkipped ); + css::uno::Sequence< sal_Int8 > aDecodedData; + if (comphelper::Base64::decodeSomeChars(aDecodedData, sBase64Data) + == sBase64Data.size()) + { + return memoryStream( + aDecodedData.getArray(), aDecodedData.getLength()); + } + } + return nullptr; +} + +namespace { + +FSysStyle guessFSysStyleByCounting(sal_Unicode const * pBegin, + sal_Unicode const * pEnd, + FSysStyle eStyle) +{ + DBG_ASSERT(eStyle + & (FSysStyle::Unix + | FSysStyle::Dos), + "guessFSysStyleByCounting(): Bad style"); + DBG_ASSERT(std::numeric_limits< sal_Int32 >::min() < pBegin - pEnd + && pEnd - pBegin <= std::numeric_limits< sal_Int32 >::max(), + "guessFSysStyleByCounting(): Too big"); + sal_Int32 nSlashCount + = (eStyle & FSysStyle::Unix) ? + 0 : std::numeric_limits< sal_Int32 >::min(); + sal_Int32 nBackslashCount + = (eStyle & FSysStyle::Dos) ? + 0 : std::numeric_limits< sal_Int32 >::min(); + while (pBegin != pEnd) + switch (*pBegin++) + { + case '/': + ++nSlashCount; + break; + + case '\\': + ++nBackslashCount; + break; + } + return nSlashCount >= nBackslashCount ? + FSysStyle::Unix : FSysStyle::Dos; +} + +OUString parseScheme( + sal_Unicode const ** begin, sal_Unicode const * end, + sal_uInt32 fragmentDelimiter) +{ + sal_Unicode const * p = *begin; + if (p != end && rtl::isAsciiAlpha(*p)) { + do { + ++p; + } while (p != end + && (rtl::isAsciiAlphanumeric(*p) || *p == '+' || *p == '-' + || *p == '.')); + // #i34835# To avoid problems with Windows file paths like "C:\foo", + // do not accept generic schemes that are only one character long: + if (end - p > 1 && p[0] == ':' && p[1] != fragmentDelimiter + && p - *begin >= 2) + { + OUString scheme( + OUString(*begin, p - *begin).toAsciiLowerCase()); + *begin = p + 1; + return scheme; + } + } + return OUString(); +} + +} + +bool INetURLObject::setAbsURIRef(std::u16string_view rTheAbsURIRef, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset, + bool bSmart, + FSysStyle eStyle) +{ + sal_Unicode const * pPos = rTheAbsURIRef.data(); + sal_Unicode const * pEnd = pPos + rTheAbsURIRef.size(); + + setInvalid(); + + sal_uInt32 nFragmentDelimiter = '#'; + + m_aAbsURIRef.setLength(0); + + // Parse <scheme>: + sal_Unicode const * p = pPos; + PrefixInfo const * pPrefix = getPrefix(p, pEnd); + if (pPrefix) + { + pPos = p; + m_eScheme = pPrefix->m_eScheme; + + char const * pTemp = pPrefix->m_eKind >= PrefixInfo::Kind::External ? + pPrefix->m_pTranslatedPrefix : + pPrefix->m_pPrefix; + m_aAbsURIRef.appendAscii(pTemp); + m_aScheme = SubString( 0, strstr(pTemp, ":") - pTemp ); + } + else + { + if (bSmart) + { + // For scheme detection, the first (if any) of the following + // productions that matches the input string (and for which the + // appropriate style bit is set in eStyle, if applicable) + // determines the scheme. The productions use the auxiliary rules + + // domain = label *("." label) + // label = alphanum [*(alphanum / "-") alphanum] + // alphanum = ALPHA / DIGIT + // IPv6reference = "[" IPv6address "]" + // IPv6address = hexpart [":" IPv4address] + // IPv4address = 1*3DIGIT 3("." 1*3DIGIT) + // hexpart = (hexseq ["::" [hexseq]]) / ("::" [hexseq]) + // hexseq = hex4 *(":" hex4) + // hex4 = 1*4HEXDIG + // UCS4 = <any UCS4 character> + + // 1st Production (known scheme; handled by the "if (pPrefix)" branch above): + // <one of the known schemes, ignoring case> ":" *UCS4 + // 2nd Production (mailto): + // domain "@" domain + // 3rd Production (ftp): + // "FTP" 2*("." label) ["/" *UCS4] + // 4th Production (http): + // label 2*("." label) ["/" *UCS4] + // 5th Production (file): + // "//" (domain / IPv6reference) ["/" *UCS4] + // 6th Production (Unix file): + // "/" *UCS4 + // 7th Production (UNC file; FSysStyle::Dos only): + // "\\" domain ["\" *UCS4] + // 8th Production (Unix-like DOS file; FSysStyle::Dos only): + // ALPHA ":" ["/" *UCS4] + // 9th Production (DOS file; FSysStyle::Dos only): + // ALPHA ":" ["\" *UCS4] + // 10th Production (any scheme; handled by the "m_eScheme = INetProtocol::Generic;" code + // after this else branch): + // <any scheme> ":" *UCS4 + + // For the 'non URL' file productions 6--9, the interpretation of + // the input as a (degenerate) URI is turned off, i.e., escape + // sequences and fragments are never detected as such, but are + // taken as literal characters. + + sal_Unicode const * p1 = pPos; + if (eStyle & FSysStyle::Dos + && pEnd - p1 >= 2 + && rtl::isAsciiAlpha(p1[0]) + && p1[1] == ':' + && (pEnd - p1 == 2 || p1[2] == '/' || p1[2] == '\\')) + { + m_eScheme = INetProtocol::File; // 8th, 9th + eMechanism = EncodeMechanism::All; + nFragmentDelimiter = 0x80000000; + } + else if (pEnd - p1 >= 2 && p1[0] == '/' && p1[1] == '/') + { + p1 += 2; + if ((scanDomain(p1, pEnd) > 0 || scanIPv6reference(p1, pEnd)) + && (p1 == pEnd || *p1 == '/')) + m_eScheme = INetProtocol::File; // 5th + } + else if (p1 != pEnd && *p1 == '/') + { + m_eScheme = INetProtocol::File; // 6th + eMechanism = EncodeMechanism::All; + nFragmentDelimiter = 0x80000000; + } + else if (eStyle & FSysStyle::Dos + && pEnd - p1 >= 2 + && p1[0] == '\\' + && p1[1] == '\\') + { + p1 += 2; + sal_Int32 n = rtl_ustr_indexOfChar_WithLength( + p1, pEnd - p1, '\\'); + sal_Unicode const * pe = n == -1 ? pEnd : p1 + n; + if ( + parseHostOrNetBiosName( + p1, pe, EncodeMechanism::All, RTL_TEXTENCODING_DONTKNOW, + true, nullptr) || + (scanDomain(p1, pe) > 0 && p1 == pe) + ) + { + m_eScheme = INetProtocol::File; // 7th + eMechanism = EncodeMechanism::All; + nFragmentDelimiter = 0x80000000; + } + } + else + { + sal_Unicode const * pDomainEnd = p1; + sal_uInt32 nLabels = scanDomain(pDomainEnd, pEnd); + if (nLabels > 0 && pDomainEnd != pEnd && *pDomainEnd == '@') + { + ++pDomainEnd; + if (scanDomain(pDomainEnd, pEnd) > 0 + && pDomainEnd == pEnd) + m_eScheme = INetProtocol::Mailto; // 2nd + } + else if (nLabels >= 3 + && (pDomainEnd == pEnd || *pDomainEnd == '/')) + m_eScheme + = pDomainEnd - p1 >= 4 + && (p1[0] == 'f' || p1[0] == 'F') + && (p1[1] == 't' || p1[1] == 'T') + && (p1[2] == 'p' || p1[2] == 'P') + && p1[3] == '.' ? + INetProtocol::Ftp : INetProtocol::Http; // 3rd, 4th + } + } + + OUString aSynScheme; + if (m_eScheme == INetProtocol::NotValid) { + sal_Unicode const * p1 = pPos; + aSynScheme = parseScheme(&p1, pEnd, nFragmentDelimiter); + if (!aSynScheme.isEmpty()) + { + if (bSmart && m_eSmartScheme != m_eScheme && p1 != pEnd && rtl::isAsciiDigit(*p1)) + { + // rTheAbsURIRef doesn't define a known scheme (handled by the "if (pPrefix)" + // branch above); but a known scheme is defined in m_eSmartScheme. If this + // scheme may have a port in authority component, then avoid misinterpreting + // URLs like www.foo.bar:123/baz as using unknown "www.foo.bar" scheme with + // 123/baz rootless path. For now, do not try to handle possible colons in + // user information, require such ambiguous URLs to have explicit scheme part. + // Also ignore possibility of empty port. + const SchemeInfo& rInfo = getSchemeInfo(m_eSmartScheme); + if (rInfo.m_bAuthority && rInfo.m_bPort) + { + // Make sure that all characters from colon to [/?#] or to EOL are digits. + // Or maybe make it simple, and just assume that "xyz:1..." is more likely + // to be host "xyz" and port "1...", than scheme "xyz" and path "1..."? + sal_Unicode const* p2 = p1 + 1; + while (p2 != pEnd && rtl::isAsciiDigit(*p2)) + ++p2; + if (p2 == pEnd || *p2 == '/' || *p2 == '?' || *p2 == '#') + m_eScheme = m_eSmartScheme; + } + } + + if (m_eScheme == INetProtocol::NotValid) + { + m_eScheme = INetProtocol::Generic; + pPos = p1; + } + } + } + + if (bSmart && m_eScheme == INetProtocol::NotValid && pPos != pEnd + && *pPos != nFragmentDelimiter) + { + m_eScheme = m_eSmartScheme; + } + + if (m_eScheme == INetProtocol::NotValid) + { + setInvalid(); + return false; + } + + if (m_eScheme != INetProtocol::Generic) { + aSynScheme = static_cast<const OUString&>(getSchemeInfo().m_sScheme); + } + m_aScheme.set(m_aAbsURIRef, aSynScheme, m_aAbsURIRef.getLength()); + m_aAbsURIRef.append(':'); + } + + sal_uInt32 nSegmentDelimiter = '/'; + sal_uInt32 nAltSegmentDelimiter = 0x80000000; + bool bSkippedInitialSlash = false; + + // Parse //<user>;AUTH=<auth>@<host>:<port> or + // //<user>:<password>@<host>:<port> or + // //<reg_name> + if (getSchemeInfo().m_bAuthority) + { + sal_Unicode const * pUserInfoBegin = nullptr; + sal_Unicode const * pUserInfoEnd = nullptr; + sal_Unicode const * pHostPortBegin = nullptr; + sal_Unicode const * pHostPortEnd = nullptr; + + switch (m_eScheme) + { + case INetProtocol::VndSunStarHelp: + { + if (pEnd - pPos < 2 || *pPos++ != '/' || *pPos++ != '/') + { + setInvalid(); + return false; + } + m_aAbsURIRef.append("//"); + OUStringBuffer aSynAuthority; + while (pPos < pEnd + && *pPos != '/' && *pPos != '?' + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, + eMechanism, + eCharset, eEscapeType); + appendUCS4(aSynAuthority, nUTF32, eEscapeType, + PART_AUTHORITY, eCharset, false); + } + m_aHost.set(m_aAbsURIRef, + aSynAuthority, + m_aAbsURIRef.getLength()); + // misusing m_aHost to store the authority + break; + } + + case INetProtocol::VndSunStarHier: + { + if (pEnd - pPos >= 2 && pPos[0] == '/' && pPos[1] == '/') + { + pPos += 2; + m_aAbsURIRef.append("//"); + OUStringBuffer aSynAuthority; + while (pPos < pEnd + && *pPos != '/' && *pPos != '?' + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, + pEnd, + eMechanism, + eCharset, + eEscapeType); + appendUCS4(aSynAuthority, + nUTF32, + eEscapeType, + PART_AUTHORITY, + eCharset, + false); + } + if (aSynAuthority.isEmpty()) + { + setInvalid(); + return false; + } + m_aHost.set(m_aAbsURIRef, + aSynAuthority, + m_aAbsURIRef.getLength()); + // misusing m_aHost to store the authority + } + break; + } + + case INetProtocol::VndSunStarPkg: + case INetProtocol::Cmis: + { + if (pEnd - pPos < 2 || *pPos++ != '/' || *pPos++ != '/') + { + setInvalid(); + return false; + } + m_aAbsURIRef.append("//"); + OUStringBuffer aSynUser(128); + + bool bHasUser = false; + while (pPos < pEnd && *pPos != '@' + && *pPos != '/' && *pPos != '?' + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, + eMechanism, + eCharset, eEscapeType); + appendUCS4(aSynUser, nUTF32, eEscapeType, + PART_USER_PASSWORD, eCharset, false); + + bHasUser = *pPos == '@'; + } + + OUStringBuffer aSynAuthority(64); + if ( !bHasUser ) + { + aSynAuthority = aSynUser; + } + else + { + m_aUser.set(m_aAbsURIRef, + aSynUser, + m_aAbsURIRef.getLength()); + m_aAbsURIRef.append("@"); + ++pPos; + + while (pPos < pEnd + && *pPos != '/' && *pPos != '?' + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, + eMechanism, + eCharset, eEscapeType); + appendUCS4(aSynAuthority, nUTF32, eEscapeType, + PART_AUTHORITY, eCharset, false); + } + } + if (aSynAuthority.isEmpty()) + { + setInvalid(); + return false; + } + m_aHost.set(m_aAbsURIRef, + aSynAuthority, + m_aAbsURIRef.getLength()); + // misusing m_aHost to store the authority + break; + } + + case INetProtocol::File: + if (bSmart) + { + // The first of the following seven productions that + // matches the rest of the input string (and for which the + // appropriate style bit is set in eStyle, if applicable) + // determines the used notation. The productions use the + // auxiliary rules + + // domain = label *("." label) + // label = alphanum [*(alphanum / "-") alphanum] + // alphanum = ALPHA / DIGIT + // IPv6reference = "[" IPv6address "]" + // IPv6address = hexpart [":" IPv4address] + // IPv4address = 1*3DIGIT 3("." 1*3DIGIT) + // hexpart = (hexseq ["::" [hexseq]]) / ("::" [hexseq]) + // hexseq = hex4 *(":" hex4) + // hex4 = 1*4HEXDIG + // path = <any UCS4 character except "#"> + // UCS4 = <any UCS4 character> + + // 1st Production (URL): + // "//" [domain / IPv6reference] ["/" *path] + // ["#" *UCS4] + // becomes + // "file://" domain "/" *path ["#" *UCS4] + if (pEnd - pPos >= 2 && pPos[0] == '/' && pPos[1] == '/') + { + sal_Unicode const * p1 = pPos + 2; + while (p1 != pEnd && *p1 != '/' && + *p1 != nFragmentDelimiter) + { + ++p1; + } + if (parseHostOrNetBiosName( + pPos + 2, p1, EncodeMechanism::All, + RTL_TEXTENCODING_DONTKNOW, true, nullptr)) + { + m_aAbsURIRef.append("//"); + pHostPortBegin = pPos + 2; + pHostPortEnd = p1; + pPos = p1; + break; + } + } + + // 2nd Production (MS IE generated 1; FSysStyle::Dos only): + // "//" ALPHA ":" ["/" *path] ["#" *UCS4] + // becomes + // "file:///" ALPHA ":" ["/" *path] ["#" *UCS4] + // replacing "\" by "/" within <*path> + // 3rd Production (MS IE generated 2; FSysStyle::Dos only): + // "//" ALPHA ":" ["\" *path] ["#" *UCS4] + // becomes + // "file:///" ALPHA ":" ["/" *path] ["#" *UCS4] + // replacing "\" by "/" within <*path> + // 4th Production (miscounted slashes): + // "//" *path ["#" *UCS4] + // becomes + // "file:///" *path ["#" *UCS4] + if (pEnd - pPos >= 2 && pPos[0] == '/' && pPos[1] == '/') + { + m_aAbsURIRef.append("//"); + pPos += 2; + bSkippedInitialSlash = true; + if ((eStyle & FSysStyle::Dos) + && pEnd - pPos >= 2 + && rtl::isAsciiAlpha(pPos[0]) + && pPos[1] == ':' + && (pEnd - pPos == 2 + || pPos[2] == '/' || pPos[2] == '\\')) + nAltSegmentDelimiter = '\\'; + break; + } + + // 5th Production (Unix): + // "/" *path ["#" *UCS4] + // becomes + // "file:///" *path ["#" *UCS4] + if (pPos < pEnd && *pPos == '/') + { + m_aAbsURIRef.append("//"); + break; + } + + // 6th Production (UNC; FSysStyle::Dos only): + // "\\" domain ["\" *path] ["#" *UCS4] + // becomes + // "file://" domain "/" *path ["#" *UCS4] + // replacing "\" by "/" within <*path> + if (eStyle & FSysStyle::Dos + && pEnd - pPos >= 2 + && pPos[0] == '\\' + && pPos[1] == '\\') + { + sal_Unicode const * p1 = pPos + 2; + sal_Unicode const * pe = p1; + while (pe < pEnd && *pe != '\\' && + *pe != nFragmentDelimiter) + { + ++pe; + } + if ( + parseHostOrNetBiosName( + p1, pe, EncodeMechanism::All, + RTL_TEXTENCODING_DONTKNOW, true, nullptr) || + (scanDomain(p1, pe) > 0 && p1 == pe) + ) + { + m_aAbsURIRef.append("//"); + pHostPortBegin = pPos + 2; + pHostPortEnd = pe; + pPos = pe; + nSegmentDelimiter = '\\'; + break; + } + } + + // 7th Production (Unix-like DOS; FSysStyle::Dos only): + // ALPHA ":" ["/" *path] ["#" *UCS4] + // becomes + // "file:///" ALPHA ":" ["/" *path] ["#" *UCS4] + // replacing "\" by "/" within <*path> + // 8th Production (DOS; FSysStyle::Dos only): + // ALPHA ":" ["\" *path] ["#" *UCS4] + // becomes + // "file:///" ALPHA ":" ["/" *path] ["#" *UCS4] + // replacing "\" by "/" within <*path> + if (eStyle & FSysStyle::Dos + && pEnd - pPos >= 2 + && rtl::isAsciiAlpha(pPos[0]) + && pPos[1] == ':' + && (pEnd - pPos == 2 + || pPos[2] == '/' + || pPos[2] == '\\')) + { + m_aAbsURIRef.append("//"); + nAltSegmentDelimiter = '\\'; + bSkippedInitialSlash = true; + break; + } + + // 9th Production (any): + // *path ["#" *UCS4] + // becomes + // "file:///" *path ["#" *UCS4] + // replacing the delimiter by "/" within <*path>. The + // delimiter is that character from the set { "/", "\"} + // which appears most often in <*path> (if FSysStyle::Unix + // is not among the style bits, "/" is removed from the + // set; if FSysStyle::Dos is not among the style bits, "\" is + // removed from the set). If two or + // more characters appear the same number of times, the + // character mentioned first in that set is chosen. If + // the first character of <*path> is the delimiter, that + // character is not copied + if (eStyle & (FSysStyle::Unix | FSysStyle::Dos)) + { + m_aAbsURIRef.append("//"); + switch (guessFSysStyleByCounting(pPos, pEnd, eStyle)) + { + case FSysStyle::Unix: + nSegmentDelimiter = '/'; + break; + + case FSysStyle::Dos: + nSegmentDelimiter = '\\'; + break; + + default: + OSL_FAIL( + "INetURLObject::setAbsURIRef():" + " Bad guessFSysStyleByCounting"); + break; + } + bSkippedInitialSlash + = pPos != pEnd && *pPos != nSegmentDelimiter; + break; + } + } + [[fallthrough]]; + default: + { + // For INetProtocol::File, allow an empty authority ("//") to be + // missing if the following path starts with an explicit "/" + // (Java is notorious in generating such file URLs, so be + // liberal here): + if (pEnd - pPos >= 2 && pPos[0] == '/' && pPos[1] == '/') + pPos += 2; + else if (!bSmart + && !(m_eScheme == INetProtocol::File + && pPos != pEnd && *pPos == '/')) + { + setInvalid(); + return false; + } + m_aAbsURIRef.append("//"); + + sal_Unicode const * pAuthority = pPos; + sal_uInt32 c = getSchemeInfo().m_bQuery ? '?' : 0x80000000; + while (pPos < pEnd && *pPos != '/' && *pPos != c + && *pPos != nFragmentDelimiter) + ++pPos; + if (getSchemeInfo().m_bUser) + if (getSchemeInfo().m_bHost) + { + sal_Unicode const * p1 = pAuthority; + while (p1 < pPos && *p1 != '@') + ++p1; + if (p1 == pPos) + { + pHostPortBegin = pAuthority; + pHostPortEnd = pPos; + } + else + { + pUserInfoBegin = pAuthority; + pUserInfoEnd = p1; + pHostPortBegin = p1 + 1; + pHostPortEnd = pPos; + } + } + else + { + pUserInfoBegin = pAuthority; + pUserInfoEnd = pPos; + } + else if (getSchemeInfo().m_bHost) + { + pHostPortBegin = pAuthority; + pHostPortEnd = pPos; + } + else if (pPos != pAuthority) + { + setInvalid(); + return false; + } + break; + } + } + + if (pUserInfoBegin) + { + Part ePart = PART_USER_PASSWORD; + bool bSupportsPassword = getSchemeInfo().m_bPassword; + bool bSupportsAuth + = !bSupportsPassword && getSchemeInfo().m_bAuth; + bool bHasAuth = false; + OUStringBuffer aSynUser; + sal_Unicode const * p1 = pUserInfoBegin; + while (p1 < pUserInfoEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(p1, pUserInfoEnd, + eMechanism, eCharset, eEscapeType); + if (eEscapeType == EscapeType::NONE) + { + if (nUTF32 == ':' && bSupportsPassword) + { + bHasAuth = true; + break; + } + else if (nUTF32 == ';' && bSupportsAuth + && pUserInfoEnd - p1 + > RTL_CONSTASCII_LENGTH("auth=") + && INetMIME::equalIgnoreCase( + p1, + p1 + RTL_CONSTASCII_LENGTH("auth="), + "auth=")) + { + p1 += RTL_CONSTASCII_LENGTH("auth="); + bHasAuth = true; + break; + } + } + appendUCS4(aSynUser, nUTF32, eEscapeType, ePart, + eCharset, false); + } + m_aUser.set(m_aAbsURIRef, aSynUser, m_aAbsURIRef.getLength()); + if (bHasAuth) + { + if (bSupportsPassword) + { + m_aAbsURIRef.append(':'); + OUStringBuffer aSynAuth; + while (p1 < pUserInfoEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(p1, pUserInfoEnd, + eMechanism, eCharset, + eEscapeType); + appendUCS4(aSynAuth, nUTF32, eEscapeType, + ePart, eCharset, false); + } + m_aAuth.set(m_aAbsURIRef, aSynAuth, m_aAbsURIRef.getLength()); + } + else + { + m_aAbsURIRef.append(";AUTH="); + OUStringBuffer aSynAuth; + while (p1 < pUserInfoEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(p1, pUserInfoEnd, + eMechanism, eCharset, + eEscapeType); + if (!INetMIME::isIMAPAtomChar(nUTF32)) + { + setInvalid(); + return false; + } + appendUCS4(aSynAuth, nUTF32, eEscapeType, + ePart, eCharset, false); + } + m_aAuth.set(m_aAbsURIRef, aSynAuth, m_aAbsURIRef.getLength()); + } + } + if (pHostPortBegin) + m_aAbsURIRef.append('@'); + } + + if (pHostPortBegin) + { + sal_Unicode const * pPort = pHostPortEnd; + if ( getSchemeInfo().m_bPort && pHostPortBegin < pHostPortEnd ) + { + sal_Unicode const * p1 = pHostPortEnd - 1; + while (p1 > pHostPortBegin && rtl::isAsciiDigit(*p1)) + --p1; + if (*p1 == ':') + pPort = p1; + } + bool bNetBiosName = false; + switch (m_eScheme) + { + case INetProtocol::File: + // If the host equals "LOCALHOST" (unencoded and ignoring + // case), turn it into an empty host: + if (INetMIME::equalIgnoreCase(pHostPortBegin, pPort, + "localhost")) + pHostPortBegin = pPort; + bNetBiosName = true; + break; + + case INetProtocol::Ldap: + case INetProtocol::Smb: + if (pHostPortBegin == pPort && pPort != pHostPortEnd) + { + setInvalid(); + return false; + } + break; + default: + if (pHostPortBegin == pPort) + { + setInvalid(); + return false; + } + break; + } + sal_Int32 nLenBeforeHost = m_aAbsURIRef.getLength(); + if (!parseHostOrNetBiosName( + pHostPortBegin, pPort, eMechanism, eCharset, + bNetBiosName, &m_aAbsURIRef)) + { + setInvalid(); + return false; + } + m_aHost = SubString(nLenBeforeHost, m_aAbsURIRef.getLength() - nLenBeforeHost); + if (pPort != pHostPortEnd) + { + m_aAbsURIRef.append(':'); + m_aPort.set(m_aAbsURIRef, + std::u16string_view{pPort + 1, static_cast<size_t>(pHostPortEnd - (pPort + 1))}, + m_aAbsURIRef.getLength()); + } + } + } + + // Parse <path> + sal_Int32 nBeforePathLength = m_aAbsURIRef.getLength(); + if (!parsePath(m_eScheme, &pPos, pEnd, eMechanism, eCharset, + bSkippedInitialSlash, nSegmentDelimiter, + nAltSegmentDelimiter, + getSchemeInfo().m_bQuery ? '?' : 0x80000000, + nFragmentDelimiter, m_aAbsURIRef)) + { + setInvalid(); + return false; + } + m_aPath = SubString(nBeforePathLength, m_aAbsURIRef.getLength() - nBeforePathLength); + + // Parse ?<query> + if (getSchemeInfo().m_bQuery && pPos < pEnd && *pPos == '?') + { + m_aAbsURIRef.append('?'); + OUStringBuffer aSynQuery; + for (++pPos; pPos < pEnd && *pPos != nFragmentDelimiter;) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, + eMechanism, eCharset, eEscapeType); + appendUCS4(aSynQuery, nUTF32, eEscapeType, + PART_URIC, eCharset, true); + } + m_aQuery.set(m_aAbsURIRef, aSynQuery, m_aAbsURIRef.getLength()); + } + + // Parse #<fragment> + if (pPos < pEnd && *pPos == nFragmentDelimiter) + { + m_aAbsURIRef.append(sal_Unicode(nFragmentDelimiter)); + OUStringBuffer aSynFragment; + for (++pPos; pPos < pEnd;) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, + eMechanism, eCharset, eEscapeType); + appendUCS4(aSynFragment, nUTF32, eEscapeType, PART_URIC, + eCharset, true); + } + m_aFragment.set(m_aAbsURIRef, aSynFragment, m_aAbsURIRef.getLength()); + } + + if (pPos != pEnd) + { + setInvalid(); + return false; + } + + return true; +} + +void INetURLObject::changeScheme(INetProtocol eTargetScheme) { + sal_Int32 oldSchemeLen = 0; + const OUString& rOldSchemeName = getSchemeInfo().m_sScheme; + if (m_eScheme == INetProtocol::Generic) + oldSchemeLen = m_aScheme.getLength(); + else + oldSchemeLen = rOldSchemeName.getLength(); + m_eScheme=eTargetScheme; + const OUString& rNewSchemeName = getSchemeInfo().m_sScheme; + sal_Int32 newSchemeLen = rNewSchemeName.getLength(); + m_aAbsURIRef.remove(0, oldSchemeLen); + m_aAbsURIRef.insert(0, rNewSchemeName); + sal_Int32 delta=newSchemeLen-oldSchemeLen; + m_aUser+=delta; + m_aAuth+=delta; + m_aHost+=delta; + m_aPort+=delta; + m_aPath+=delta; + m_aQuery+=delta; + m_aFragment+=delta; +} + +bool INetURLObject::convertRelToAbs(OUString const & rTheRelURIRef, + INetURLObject & rTheAbsURIRef, + bool & rWasAbsolute, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset, + bool bIgnoreFragment, bool bSmart, + bool bRelativeNonURIs, FSysStyle eStyle) + const +{ + sal_Unicode const * p = rTheRelURIRef.getStr(); + sal_Unicode const * pEnd = p + rTheRelURIRef.getLength(); + + sal_Unicode const * pPrefixBegin = p; + PrefixInfo const * pPrefix = getPrefix(pPrefixBegin, pEnd); + bool hasScheme = pPrefix != nullptr; + if (!hasScheme) { + pPrefixBegin = p; + hasScheme = !parseScheme(&pPrefixBegin, pEnd, '#').isEmpty(); + } + + sal_uInt32 nSegmentDelimiter = '/'; + sal_uInt32 nQueryDelimiter + = !bSmart || getSchemeInfo().m_bQuery ? '?' : 0x80000000; + sal_uInt32 nFragmentDelimiter = '#'; + Part ePart = PART_VISIBLE; + + if (!hasScheme && bSmart) + { + // If the input matches any of the following productions (for which + // the appropriate style bit is set in eStyle), it is assumed to be an + // absolute file system path, rather than a relative URI reference. + // (This is only a subset of the productions used for scheme detection + // in INetURLObject::setAbsURIRef(), because most of those productions + // interfere with the syntax of relative URI references.) The + // productions use the auxiliary rules + + // domain = label *("." label) + // label = alphanum [*(alphanum / "-") alphanum] + // alphanum = ALPHA / DIGIT + // UCS4 = <any UCS4 character> + + // 1st Production (UNC file; FSysStyle::Dos only): + // "\\" domain ["\" *UCS4] + // 2nd Production (Unix-like DOS file; FSysStyle::Dos only): + // ALPHA ":" ["/" *UCS4] + // 3rd Production (DOS file; FSysStyle::Dos only): + // ALPHA ":" ["\" *UCS4] + if (eStyle & FSysStyle::Dos) + { + bool bFSys = false; + sal_Unicode const * q = p; + if (pEnd - q >= 2 + && rtl::isAsciiAlpha(q[0]) + && q[1] == ':' + && (pEnd - q == 2 || q[2] == '/' || q[2] == '\\')) + bFSys = true; // 2nd, 3rd + else if (pEnd - q >= 2 && q[0] == '\\' && q[1] == '\\') + { + q += 2; + sal_Int32 n = rtl_ustr_indexOfChar_WithLength( + q, pEnd - q, '\\'); + sal_Unicode const * qe = n == -1 ? pEnd : q + n; + if (parseHostOrNetBiosName( + q, qe, EncodeMechanism::All, RTL_TEXTENCODING_DONTKNOW, + true, nullptr)) + { + bFSys = true; // 1st + } + } + if (bFSys) + { + INetURLObject aNewURI; + aNewURI.setAbsURIRef(rTheRelURIRef, eMechanism, + eCharset, true, eStyle); + if (!aNewURI.HasError()) + { + rTheAbsURIRef = aNewURI; + rWasAbsolute = true; + return true; + } + } + } + + // When the base URL is a file URL, accept relative file system paths + // using "\" or ":" as delimiter (and ignoring URI conventions for "%" + // and "#"), as well as relative URIs using "/" as delimiter: + if (m_eScheme == INetProtocol::File) + switch (guessFSysStyleByCounting(p, pEnd, eStyle)) + { + case FSysStyle::Unix: + nSegmentDelimiter = '/'; + break; + + case FSysStyle::Dos: + nSegmentDelimiter = '\\'; + bRelativeNonURIs = true; + break; + + default: + OSL_FAIL("INetURLObject::convertRelToAbs():" + " Bad guessFSysStyleByCounting"); + break; + } + + if (bRelativeNonURIs) + { + eMechanism = EncodeMechanism::All; + nQueryDelimiter = 0x80000000; + nFragmentDelimiter = 0x80000000; + ePart = PART_VISIBLE_NONSPECIAL; + } + } + + // If the relative URI has the same scheme as the base URI, and that + // scheme is hierarchical, then ignore its presence in the relative + // URI in order to be backward compatible (cf. RFC 2396 section 5.2 + // step 3): + if (pPrefix && pPrefix->m_eScheme == m_eScheme + && getSchemeInfo().m_bHierarchical) + { + hasScheme = false; + while (p != pEnd && *p++ != ':') ; + } + rWasAbsolute = hasScheme; + + // Fast solution for non-relative URIs: + if (hasScheme) + { + INetURLObject aNewURI(rTheRelURIRef, eMechanism, eCharset); + if (aNewURI.HasError()) + { + rWasAbsolute = false; + return false; + } + + if (bIgnoreFragment) + aNewURI.clearFragment(); + rTheAbsURIRef = aNewURI; + return true; + } + + enum State { STATE_AUTH, STATE_ABS_PATH, STATE_REL_PATH, STATE_FRAGMENT, + STATE_DONE }; + + OUStringBuffer aSynAbsURIRef(128); + // make sure that the scheme is copied for generic schemes: getSchemeInfo().m_pScheme + // is empty ("") in that case, so take the scheme from m_aAbsURIRef + if (m_eScheme != INetProtocol::Generic) + { + aSynAbsURIRef.append(getSchemeInfo().m_sScheme.asView()); + } + else + { + sal_Unicode const * pSchemeBegin + = m_aAbsURIRef.getStr(); + sal_Unicode const * pSchemeEnd = pSchemeBegin; + while (pSchemeEnd[0] != ':') + { + ++pSchemeEnd; + } + aSynAbsURIRef.append(pSchemeBegin, pSchemeEnd - pSchemeBegin); + } + aSynAbsURIRef.append(':'); + + State eState = STATE_AUTH; + bool bSameDoc = true; + + if (getSchemeInfo().m_bAuthority) + { + if (pEnd - p >= 2 && p[0] == '/' && p[1] == '/') + { + aSynAbsURIRef.append("//"); + p += 2; + eState = STATE_ABS_PATH; + bSameDoc = false; + while (p != pEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 + = getUTF32(p, pEnd, eMechanism, + eCharset, eEscapeType); + if (eEscapeType == EscapeType::NONE) + { + if (nUTF32 == nSegmentDelimiter) + break; + else if (nUTF32 == nFragmentDelimiter) + { + eState = STATE_FRAGMENT; + break; + } + } + appendUCS4(aSynAbsURIRef, nUTF32, eEscapeType, + PART_VISIBLE, eCharset, true); + } + } + else + { + SubString aAuthority(getAuthority()); + aSynAbsURIRef.append(m_aAbsURIRef.getStr() + + aAuthority.getBegin(), + aAuthority.getLength()); + } + } + + if (eState == STATE_AUTH) + { + if (p == pEnd) + eState = STATE_DONE; + else if (*p == nFragmentDelimiter) + { + ++p; + eState = STATE_FRAGMENT; + } + else if (*p == nSegmentDelimiter) + { + ++p; + eState = STATE_ABS_PATH; + bSameDoc = false; + } + else + { + eState = STATE_REL_PATH; + bSameDoc = false; + } + } + + if (eState == STATE_ABS_PATH) + { + aSynAbsURIRef.append('/'); + eState = STATE_DONE; + while (p != pEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 + = getUTF32(p, pEnd, eMechanism, eCharset, eEscapeType); + if (eEscapeType == EscapeType::NONE) + { + if (nUTF32 == nFragmentDelimiter) + { + eState = STATE_FRAGMENT; + break; + } + else if (nUTF32 == nSegmentDelimiter) + nUTF32 = '/'; + } + appendUCS4(aSynAbsURIRef, nUTF32, eEscapeType, ePart, + eCharset, true); + } + } + else if (eState == STATE_REL_PATH) + { + if (!getSchemeInfo().m_bHierarchical) + { + // Detect cases where a relative input could not be made absolute + // because the given base URL is broken (most probably because it is + // empty): + SAL_WARN_IF( + HasError(), "tools.urlobj", + "cannot make <" << rTheRelURIRef + << "> absolute against broken base <" + << GetMainURL(DecodeMechanism::NONE) << ">"); + rWasAbsolute = false; + return false; + } + + sal_Unicode const * pBasePathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pBasePathEnd + = pBasePathBegin + m_aPath.getLength(); + while (pBasePathEnd != pBasePathBegin) + if (*(--pBasePathEnd) == '/') + { + ++pBasePathEnd; + break; + } + + sal_Int32 nPathBegin = aSynAbsURIRef.getLength(); + aSynAbsURIRef.append(pBasePathBegin, pBasePathEnd - pBasePathBegin); + DBG_ASSERT(aSynAbsURIRef.getLength() > nPathBegin + && aSynAbsURIRef[aSynAbsURIRef.getLength() - 1] == '/', + "INetURLObject::convertRelToAbs(): Bad base path"); + + while (p != pEnd && *p != nQueryDelimiter && *p != nFragmentDelimiter) + { + if (*p == '.') + { + if (pEnd - p == 1 + || p[1] == nSegmentDelimiter + || p[1] == nQueryDelimiter + || p[1] == nFragmentDelimiter) + { + ++p; + if (p != pEnd && *p == nSegmentDelimiter) + ++p; + continue; + } + else if (pEnd - p >= 2 + && p[1] == '.' + && (pEnd - p == 2 + || p[2] == nSegmentDelimiter + || p[2] == nQueryDelimiter + || p[2] == nFragmentDelimiter) + && aSynAbsURIRef.getLength() - nPathBegin > 1) + { + p += 2; + if (p != pEnd && *p == nSegmentDelimiter) + ++p; + + sal_Int32 i = aSynAbsURIRef.getLength() - 2; + while (i > nPathBegin && aSynAbsURIRef[i] != '/') + --i; + aSynAbsURIRef.setLength(i + 1); + DBG_ASSERT( + aSynAbsURIRef.getLength() > nPathBegin + && aSynAbsURIRef[aSynAbsURIRef.getLength() - 1] == '/', + "INetURLObject::convertRelToAbs(): Bad base path"); + continue; + } + } + + while (p != pEnd + && *p != nSegmentDelimiter + && *p != nQueryDelimiter + && *p != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 + = getUTF32(p, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(aSynAbsURIRef, nUTF32, eEscapeType, ePart, + eCharset, true); + } + if (p != pEnd && *p == nSegmentDelimiter) + { + aSynAbsURIRef.append('/'); + ++p; + } + } + + while (p != pEnd && *p != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 + = getUTF32(p, pEnd, eMechanism, eCharset, eEscapeType); + appendUCS4(aSynAbsURIRef, nUTF32, eEscapeType, ePart, + eCharset, true); + } + + if (p == pEnd) + eState = STATE_DONE; + else + { + ++p; + eState = STATE_FRAGMENT; + } + } + else if (bSameDoc) + { + aSynAbsURIRef.append(m_aAbsURIRef.getStr() + m_aPath.getBegin(), + m_aPath.getLength()); + if (m_aQuery.isPresent()) + aSynAbsURIRef.append(m_aAbsURIRef.getStr() + + m_aQuery.getBegin() - 1, + m_aQuery.getLength() + 1); + } + + if (eState == STATE_FRAGMENT && !bIgnoreFragment) + { + aSynAbsURIRef.append('#'); + while (p != pEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 + = getUTF32(p, pEnd, eMechanism, eCharset, eEscapeType); + appendUCS4(aSynAbsURIRef, nUTF32, eEscapeType, + PART_VISIBLE, eCharset, true); + } + } + + INetURLObject aNewURI(aSynAbsURIRef.makeStringAndClear()); + if (aNewURI.HasError()) + { + // Detect cases where a relative input could not be made absolute + // because the given base URL is broken (most probably because it is + // empty): + SAL_WARN_IF( + HasError(), "tools.urlobj", + "cannot make <" << rTheRelURIRef + << "> absolute against broken base <" << GetMainURL(DecodeMechanism::NONE) + << ">"); + rWasAbsolute = false; + return false; + } + + rTheAbsURIRef = aNewURI; + return true; +} + +bool INetURLObject::convertAbsToRel(OUString const & rTheAbsURIRef, + OUString & rTheRelURIRef, + EncodeMechanism eEncodeMechanism, + DecodeMechanism eDecodeMechanism, + rtl_TextEncoding eCharset, + FSysStyle eStyle) const +{ + // Check for hierarchical base URL: + if (!getSchemeInfo().m_bHierarchical) + { + rTheRelURIRef = decode(rTheAbsURIRef, eDecodeMechanism, eCharset); + return false; + } + + // Convert the input (absolute or relative URI ref) to an absolute URI + // ref: + INetURLObject aSubject; + bool bWasAbsolute; + if (!convertRelToAbs(rTheAbsURIRef, aSubject, bWasAbsolute, + eEncodeMechanism, eCharset, false, false, false, + eStyle)) + { + rTheRelURIRef = decode(rTheAbsURIRef, eDecodeMechanism, eCharset); + return false; + } + + // Check for differing scheme or authority parts: + if ((m_aScheme.compare( + aSubject.m_aScheme, m_aAbsURIRef, aSubject.m_aAbsURIRef) + != 0) + || (m_aUser.compare( + aSubject.m_aUser, m_aAbsURIRef, aSubject.m_aAbsURIRef) + != 0) + || (m_aAuth.compare( + aSubject.m_aAuth, m_aAbsURIRef, aSubject.m_aAbsURIRef) + != 0) + || (m_aHost.compare( + aSubject.m_aHost, m_aAbsURIRef, aSubject.m_aAbsURIRef) + != 0) + || (m_aPort.compare( + aSubject.m_aPort, m_aAbsURIRef, aSubject.m_aAbsURIRef) + != 0)) + { + rTheRelURIRef = aSubject.GetMainURL(eDecodeMechanism, eCharset); + return false; + } + + sal_Unicode const * pBasePathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pBasePathEnd = pBasePathBegin + m_aPath.getLength(); + sal_Unicode const * pSubjectPathBegin + = aSubject.m_aAbsURIRef.getStr() + aSubject.m_aPath.getBegin(); + sal_Unicode const * pSubjectPathEnd + = pSubjectPathBegin + aSubject.m_aPath.getLength(); + + // Make nMatch point past the last matching slash, or past the end of the + // paths, in case they are equal: + sal_Unicode const * pSlash = nullptr; + sal_Unicode const * p1 = pBasePathBegin; + sal_Unicode const * p2 = pSubjectPathBegin; + for (;;) + { + if (p1 == pBasePathEnd || p2 == pSubjectPathEnd) + { + if (p1 == pBasePathEnd && p2 == pSubjectPathEnd) + pSlash = p1; + break; + } + + sal_Unicode c = *p1++; + if (c != *p2++) + break; + if (c == '/') + pSlash = p1; + } + if (!pSlash) + { + // One of the paths does not start with '/': + rTheRelURIRef = aSubject.GetMainURL(eDecodeMechanism, eCharset); + return false; + } + sal_Int32 nMatch = pSlash - pBasePathBegin; + + // If the two URLs are DOS file URLs starting with different volumes + // (e.g., file:///a:/... and file:///b:/...), the subject is not made + // relative (it could be, but some people do not like that): + if (m_eScheme == INetProtocol::File + && nMatch <= 1 + && hasDosVolume(eStyle) + && aSubject.hasDosVolume(eStyle)) //TODO! ok to use eStyle for these? + { + rTheRelURIRef = aSubject.GetMainURL(eDecodeMechanism, eCharset); + return false; + } + + // For every slash in the base path after nMatch, a prefix of "../" is + // added to the new relative URL (if the common prefix of the two paths is + // only "/"---but see handling of file URLs above---, the complete subject + // path could go into the new relative URL instead, but some people don't + // like that): + OUStringBuffer aSynRelURIRef; + for (sal_Unicode const * p = pBasePathBegin + nMatch; p != pBasePathEnd; + ++p) + { + if (*p == '/') + aSynRelURIRef.append("../"); + } + + // If the new relative URL would start with "//" (i.e., it would be + // mistaken for a relative URL starting with an authority part), or if the + // new relative URL would neither be empty nor start with <"/"> nor start + // with <1*rseg> (i.e., it could be mistaken for an absolute URL starting + // with a scheme part), then the new relative URL is prefixed with "./": + if (aSynRelURIRef.isEmpty()) + { + if (pSubjectPathEnd - pSubjectPathBegin >= nMatch + 2 + && pSubjectPathBegin[nMatch] == '/' + && pSubjectPathBegin[nMatch + 1] == '/') + { + aSynRelURIRef.append("./"); + } + else + { + for (sal_Unicode const * p = pSubjectPathBegin + nMatch; + p != pSubjectPathEnd && *p != '/'; ++p) + { + if (mustEncode(*p, PART_REL_SEGMENT_EXTRA)) + { + aSynRelURIRef.append("./"); + break; + } + } + } + } + + // The remainder of the subject path, starting at nMatch, is appended to + // the new relative URL: + aSynRelURIRef.append(decode(pSubjectPathBegin + nMatch, pSubjectPathEnd, + eDecodeMechanism, eCharset)); + + // If the subject has defined query or fragment parts, they are appended + // to the new relative URL: + if (aSubject.m_aQuery.isPresent()) + { + aSynRelURIRef.append('?'); + aSynRelURIRef.append(aSubject.decode(aSubject.m_aQuery, + eDecodeMechanism, eCharset)); + } + if (aSubject.m_aFragment.isPresent()) + { + aSynRelURIRef.append('#'); + aSynRelURIRef.append(aSubject.decode(aSubject.m_aFragment, + eDecodeMechanism, eCharset)); + } + + rTheRelURIRef = aSynRelURIRef.makeStringAndClear(); + return true; +} + +// static +bool INetURLObject::convertIntToExt(std::u16string_view rTheIntURIRef, + OUString & rTheExtURIRef, + DecodeMechanism eDecodeMechanism, + rtl_TextEncoding eCharset) +{ + OUStringBuffer aSynExtURIRef(256); + encodeText(aSynExtURIRef, rTheIntURIRef, PART_VISIBLE, + EncodeMechanism::NotCanonical, eCharset, true); + sal_Unicode const * pBegin = aSynExtURIRef.getStr(); + sal_Unicode const * pEnd = pBegin + aSynExtURIRef.getLength(); + sal_Unicode const * p = pBegin; + PrefixInfo const * pPrefix = getPrefix(p, pEnd); + bool bConvert = pPrefix && pPrefix->m_eKind == PrefixInfo::Kind::Internal; + if (bConvert) + { + comphelper::string::replaceAt(aSynExtURIRef, 0, p - pBegin, + OUString::createFromAscii(pPrefix->m_pTranslatedPrefix)); + } + rTheExtURIRef = decode(aSynExtURIRef, eDecodeMechanism, eCharset); + return bConvert; +} + +// static +bool INetURLObject::convertExtToInt(std::u16string_view rTheExtURIRef, + OUString & rTheIntURIRef, + DecodeMechanism eDecodeMechanism, + rtl_TextEncoding eCharset) +{ + OUStringBuffer aSynIntURIRef(256); + encodeText(aSynIntURIRef, rTheExtURIRef, PART_VISIBLE, + EncodeMechanism::NotCanonical, eCharset, true); + sal_Unicode const * pBegin = aSynIntURIRef.getStr(); + sal_Unicode const * pEnd = pBegin + aSynIntURIRef.getLength(); + sal_Unicode const * p = pBegin; + PrefixInfo const * pPrefix = getPrefix(p, pEnd); + bool bConvert = pPrefix && pPrefix->m_eKind == PrefixInfo::Kind::External; + if (bConvert) + { + comphelper::string::replaceAt(aSynIntURIRef, 0, p - pBegin, + OUString::createFromAscii(pPrefix->m_pTranslatedPrefix)); + } + rTheIntURIRef = decode(aSynIntURIRef, eDecodeMechanism, eCharset); + return bConvert; +} + +// static +INetURLObject::PrefixInfo const * INetURLObject::getPrefix(sal_Unicode const *& rBegin, + sal_Unicode const * pEnd) +{ + static PrefixInfo const aMap[] + = { // dummy entry at front needed, because pLast may point here: + { nullptr, nullptr, INetProtocol::NotValid, PrefixInfo::Kind::Internal }, + { ".component:", "staroffice.component:", INetProtocol::Component, + PrefixInfo::Kind::Internal }, + { ".uno:", "staroffice.uno:", INetProtocol::Uno, + PrefixInfo::Kind::Internal }, + { "cid:", nullptr, INetProtocol::Cid, PrefixInfo::Kind::Official }, + { "data:", nullptr, INetProtocol::Data, PrefixInfo::Kind::Official }, + { "db:", "staroffice.db:", INetProtocol::Db, PrefixInfo::Kind::Internal }, + { "file:", nullptr, INetProtocol::File, PrefixInfo::Kind::Official }, + { "ftp:", nullptr, INetProtocol::Ftp, PrefixInfo::Kind::Official }, + { "hid:", "staroffice.hid:", INetProtocol::Hid, + PrefixInfo::Kind::Internal }, + { "http:", nullptr, INetProtocol::Http, PrefixInfo::Kind::Official }, + { "https:", nullptr, INetProtocol::Https, PrefixInfo::Kind::Official }, + { "javascript:", nullptr, INetProtocol::Javascript, PrefixInfo::Kind::Official }, + { "ldap:", nullptr, INetProtocol::Ldap, PrefixInfo::Kind::Official }, + { "macro:", "staroffice.macro:", INetProtocol::Macro, + PrefixInfo::Kind::Internal }, + { "mailto:", nullptr, INetProtocol::Mailto, PrefixInfo::Kind::Official }, + { "private:", "staroffice.private:", INetProtocol::PrivSoffice, + PrefixInfo::Kind::Internal }, + { "private:factory/", "staroffice.factory:", + INetProtocol::PrivSoffice, PrefixInfo::Kind::Internal }, + { "private:helpid/", "staroffice.helpid:", INetProtocol::PrivSoffice, + PrefixInfo::Kind::Internal }, + { "private:java/", "staroffice.java:", INetProtocol::PrivSoffice, + PrefixInfo::Kind::Internal }, + { "private:searchfolder:", "staroffice.searchfolder:", + INetProtocol::PrivSoffice, PrefixInfo::Kind::Internal }, + { "private:trashcan:", "staroffice.trashcan:", + INetProtocol::PrivSoffice, PrefixInfo::Kind::Internal }, + { "sftp:", nullptr, INetProtocol::Sftp, PrefixInfo::Kind::Official }, + { "slot:", "staroffice.slot:", INetProtocol::Slot, + PrefixInfo::Kind::Internal }, + { "smb:", nullptr, INetProtocol::Smb, PrefixInfo::Kind::Official }, + { "staroffice.component:", ".component:", INetProtocol::Component, + PrefixInfo::Kind::External }, + { "staroffice.db:", "db:", INetProtocol::Db, PrefixInfo::Kind::External }, + { "staroffice.factory:", "private:factory/", + INetProtocol::PrivSoffice, PrefixInfo::Kind::External }, + { "staroffice.helpid:", "private:helpid/", INetProtocol::PrivSoffice, + PrefixInfo::Kind::External }, + { "staroffice.hid:", "hid:", INetProtocol::Hid, + PrefixInfo::Kind::External }, + { "staroffice.java:", "private:java/", INetProtocol::PrivSoffice, + PrefixInfo::Kind::External }, + { "staroffice.macro:", "macro:", INetProtocol::Macro, + PrefixInfo::Kind::External }, + { "staroffice.private:", "private:", INetProtocol::PrivSoffice, + PrefixInfo::Kind::External }, + { "staroffice.searchfolder:", "private:searchfolder:", + INetProtocol::PrivSoffice, PrefixInfo::Kind::External }, + { "staroffice.slot:", "slot:", INetProtocol::Slot, + PrefixInfo::Kind::External }, + { "staroffice.trashcan:", "private:trashcan:", + INetProtocol::PrivSoffice, PrefixInfo::Kind::External }, + { "staroffice.uno:", ".uno:", INetProtocol::Uno, + PrefixInfo::Kind::External }, + { "staroffice:", "private:", INetProtocol::PrivSoffice, + PrefixInfo::Kind::External }, + { "telnet:", nullptr, INetProtocol::Telnet, PrefixInfo::Kind::Official }, + { "vnd.libreoffice.cmis:", nullptr, INetProtocol::Cmis, PrefixInfo::Kind::Internal }, + { "vnd.sun.star.cmd:", nullptr, INetProtocol::VndSunStarCmd, + PrefixInfo::Kind::Official }, + { "vnd.sun.star.expand:", nullptr, INetProtocol::VndSunStarExpand, + PrefixInfo::Kind::Official }, + { "vnd.sun.star.help:", nullptr, INetProtocol::VndSunStarHelp, + PrefixInfo::Kind::Official }, + { "vnd.sun.star.hier:", nullptr, INetProtocol::VndSunStarHier, + PrefixInfo::Kind::Official }, + { "vnd.sun.star.pkg:", nullptr, INetProtocol::VndSunStarPkg, + PrefixInfo::Kind::Official }, + { "vnd.sun.star.tdoc:", nullptr, INetProtocol::VndSunStarTdoc, + PrefixInfo::Kind::Official }, + { "vnd.sun.star.webdav:", nullptr, INetProtocol::VndSunStarWebdav, + PrefixInfo::Kind::Official } + }; +/* This list needs to be sorted, or you'll introduce serious bugs */ + + PrefixInfo const * pFirst = aMap + 1; + PrefixInfo const * pLast = aMap + sizeof aMap / sizeof (PrefixInfo) - 1; + PrefixInfo const * pMatch = nullptr; + sal_Unicode const * pMatched = rBegin; + sal_Unicode const * p = rBegin; + sal_Int32 i = 0; + for (; pFirst < pLast; ++i) + { + if (pFirst->m_pPrefix[i] == '\0') + { + pMatch = pFirst++; + pMatched = p; + } + if (p >= pEnd) + break; + sal_uInt32 nChar = rtl::toAsciiLowerCase(*p++); + while (pFirst <= pLast && static_cast<unsigned char>(pFirst->m_pPrefix[i]) < nChar) + ++pFirst; + while (pFirst <= pLast && static_cast<unsigned char>(pLast->m_pPrefix[i]) > nChar) + --pLast; + } + if (pFirst == pLast) + { + char const * q = pFirst->m_pPrefix + i; + while (p < pEnd && *q != '\0' + && rtl::toAsciiLowerCase(*p) == static_cast<unsigned char>(*q)) + { + ++p; + ++q; + } + if (*q == '\0') + { + rBegin = p; + return pFirst; + } + } + rBegin = pMatched; + return pMatch; +} + +sal_Int32 INetURLObject::getAuthorityBegin() const +{ + DBG_ASSERT(getSchemeInfo().m_bAuthority, + "INetURLObject::getAuthority(): Bad scheme"); + sal_Int32 nBegin; + if (m_aUser.isPresent()) + nBegin = m_aUser.getBegin(); + else if (m_aHost.isPresent()) + nBegin = m_aHost.getBegin(); + else + nBegin = m_aPath.getBegin(); + nBegin -= RTL_CONSTASCII_LENGTH("//"); + DBG_ASSERT(m_aAbsURIRef[nBegin] == '/' && m_aAbsURIRef[nBegin + 1] == '/', + "INetURLObject::getAuthority(): Bad authority"); + return nBegin; +} + +INetURLObject::SubString INetURLObject::getAuthority() const +{ + sal_Int32 nBegin = getAuthorityBegin(); + sal_Int32 nEnd = m_aPort.isPresent() ? m_aPort.getEnd() : + m_aHost.isPresent() ? m_aHost.getEnd() : + m_aAuth.isPresent() ? m_aAuth.getEnd() : + m_aUser.isPresent() ? m_aUser.getEnd() : + nBegin + RTL_CONSTASCII_LENGTH("//"); + return SubString(nBegin, nEnd - nBegin); +} + +bool INetURLObject::setUser(std::u16string_view rTheUser, + rtl_TextEncoding eCharset) +{ + if ( + !getSchemeInfo().m_bUser + ) + { + return false; + } + + OUStringBuffer aNewUser; + encodeText(aNewUser, rTheUser, PART_USER_PASSWORD, + EncodeMechanism::WasEncoded, eCharset, false); + sal_Int32 nDelta; + if (m_aUser.isPresent()) + nDelta = m_aUser.set(m_aAbsURIRef, aNewUser); + else if (m_aHost.isPresent()) + { + m_aAbsURIRef.insert(m_aHost.getBegin(), u'@'); + nDelta = m_aUser.set(m_aAbsURIRef, aNewUser, m_aHost.getBegin()) + 1; + } + else if (getSchemeInfo().m_bHost) + return false; + else + nDelta = m_aUser.set(m_aAbsURIRef, aNewUser, m_aPath.getBegin()); + m_aAuth += nDelta; + m_aHost += nDelta; + m_aPort += nDelta; + m_aPath += nDelta; + m_aQuery += nDelta; + m_aFragment += nDelta; + return true; +} + +namespace +{ + void lcl_Erase(OUStringBuffer &rBuf, sal_Int32 index, sal_Int32 count) + { + OUString sTemp(rBuf.makeStringAndClear()); + rBuf.append(sTemp.replaceAt(index, count, u"")); + } +} + +bool INetURLObject::clearPassword() +{ + if (!getSchemeInfo().m_bPassword) + return false; + if (m_aAuth.isPresent()) + { + lcl_Erase(m_aAbsURIRef, m_aAuth.getBegin() - 1, + m_aAuth.getLength() + 1); + sal_Int32 nDelta = m_aAuth.clear() - 1; + m_aHost += nDelta; + m_aPort += nDelta; + m_aPath += nDelta; + m_aQuery += nDelta; + m_aFragment += nDelta; + } + return true; +} + +bool INetURLObject::setPassword(std::u16string_view rThePassword, + rtl_TextEncoding eCharset) +{ + if (!getSchemeInfo().m_bPassword) + return false; + OUStringBuffer aNewAuth; + encodeText(aNewAuth, rThePassword, PART_USER_PASSWORD, + EncodeMechanism::WasEncoded, eCharset, false); + sal_Int32 nDelta; + if (m_aAuth.isPresent()) + nDelta = m_aAuth.set(m_aAbsURIRef, aNewAuth); + else if (m_aUser.isPresent()) + { + m_aAbsURIRef.insert(m_aUser.getEnd(), u':'); + nDelta + = m_aAuth.set(m_aAbsURIRef, aNewAuth, m_aUser.getEnd() + 1) + 1; + } + else if (m_aHost.isPresent()) + { + m_aAbsURIRef.insert(m_aHost.getBegin(), ":@" ); + m_aUser.set(m_aAbsURIRef, std::u16string_view{}, m_aHost.getBegin()); + nDelta + = m_aAuth.set(m_aAbsURIRef, aNewAuth, m_aHost.getBegin() + 1) + 2; + } + else if (getSchemeInfo().m_bHost) + return false; + else + { + m_aAbsURIRef.insert(m_aPath.getBegin(), u':'); + m_aUser.set(m_aAbsURIRef, std::u16string_view{}, m_aPath.getBegin()); + nDelta + = m_aAuth.set(m_aAbsURIRef, aNewAuth, m_aPath.getBegin() + 1) + 1; + } + m_aHost += nDelta; + m_aPort += nDelta; + m_aPath += nDelta; + m_aQuery += nDelta; + m_aFragment += nDelta; + return true; +} + +// static +bool INetURLObject::parseHost(sal_Unicode const *& rBegin, sal_Unicode const * pEnd, + OUStringBuffer* pCanonic) +{ + // RFC 2373 is inconsistent about how to write an IPv6 address in which an + // IPv4 address directly follows the abbreviating "::". The ABNF in + // Appendix B suggests ":::13.1.68.3", while an example in 2.2/3 explicitly + // mentions "::13:1.68.3". This algorithm accepts both variants: + enum State { STATE_INITIAL, STATE_LABEL, STATE_LABEL_HYPHEN, + STATE_LABEL_DOT, STATE_TOPLABEL, STATE_TOPLABEL_HYPHEN, + STATE_TOPLABEL_DOT, STATE_IP4, STATE_IP4_DOT, STATE_IP6, + STATE_IP6_COLON, STATE_IP6_2COLON, STATE_IP6_3COLON, + STATE_IP6_HEXSEQ1, STATE_IP6_HEXSEQ1_COLON, + STATE_IP6_HEXSEQ1_MAYBE_IP4, STATE_IP6_HEXSEQ2, + STATE_IP6_HEXSEQ2_COLON, STATE_IP6_HEXSEQ2_MAYBE_IP4, + STATE_IP6_IP4, STATE_IP6_IP4_DOT, STATE_IP6_DONE }; + sal_uInt32 nNumber = 0; + int nDigits = 0; + int nOctets = 0; + State eState = STATE_INITIAL; + sal_Unicode const * p = rBegin; + sal_Int32 nOriginalCanonicLength = pCanonic ? pCanonic->getLength() : 0; + for (; p != pEnd; ++p) + switch (eState) + { + case STATE_INITIAL: + if (*p == '[') + { + if (pCanonic) + pCanonic->append('['); + eState = STATE_IP6; + } + else if (rtl::isAsciiAlpha(*p) || *p == '_') + eState = STATE_TOPLABEL; + else if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + nOctets = 1; + eState = STATE_IP4; + } + else + goto done; + break; + + case STATE_LABEL: + if (*p == '.') + eState = STATE_LABEL_DOT; + else if (*p == '-') + eState = STATE_LABEL_HYPHEN; + else if (!rtl::isAsciiAlphanumeric(*p) && *p != '_') + goto done; + break; + + case STATE_LABEL_HYPHEN: + if (rtl::isAsciiAlphanumeric(*p) || *p == '_') + eState = STATE_LABEL; + else if (*p != '-') + goto done; + break; + + case STATE_LABEL_DOT: + if (rtl::isAsciiAlpha(*p) || *p == '_') + eState = STATE_TOPLABEL; + else if (rtl::isAsciiDigit(*p)) + eState = STATE_LABEL; + else + goto done; + break; + + case STATE_TOPLABEL: + if (*p == '.') + eState = STATE_TOPLABEL_DOT; + else if (*p == '-') + eState = STATE_TOPLABEL_HYPHEN; + else if (!rtl::isAsciiAlphanumeric(*p) && *p != '_') + goto done; + break; + + case STATE_TOPLABEL_HYPHEN: + if (rtl::isAsciiAlphanumeric(*p) || *p == '_') + eState = STATE_TOPLABEL; + else if (*p != '-') + goto done; + break; + + case STATE_TOPLABEL_DOT: + if (rtl::isAsciiAlpha(*p) || *p == '_') + eState = STATE_TOPLABEL; + else if (rtl::isAsciiDigit(*p)) + eState = STATE_LABEL; + else + goto done; + break; + + case STATE_IP4: + if (*p == '.') + if (nOctets < 4) + { + if (pCanonic) + { + pCanonic->append(static_cast<sal_Int64>(nNumber)); + pCanonic->append( '.' ); + } + ++nOctets; + eState = STATE_IP4_DOT; + } + else + eState = STATE_LABEL_DOT; + else if (*p == '-') + eState = STATE_LABEL_HYPHEN; + else if (rtl::isAsciiAlpha(*p) || *p == '_') + eState = STATE_LABEL; + else if (rtl::isAsciiDigit(*p)) + if (nDigits < 3) + { + nNumber = 10 * nNumber + INetMIME::getWeight(*p); + ++nDigits; + } + else + eState = STATE_LABEL; + else + goto done; + break; + + case STATE_IP4_DOT: + if (rtl::isAsciiAlpha(*p) || *p == '_') + eState = STATE_TOPLABEL; + else if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + eState = STATE_IP4; + } + else + goto done; + break; + + case STATE_IP6: + if (*p == ':') + eState = STATE_IP6_COLON; + else if (rtl::isAsciiHexDigit(*p)) + { + nNumber = INetMIME::getHexWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ1; + } + else + goto done; + break; + + case STATE_IP6_COLON: + if (*p == ':') + { + if (pCanonic) + pCanonic->append("::"); + eState = STATE_IP6_2COLON; + } + else + goto done; + break; + + case STATE_IP6_2COLON: + if (*p == ']') + eState = STATE_IP6_DONE; + else if (*p == ':') + { + if (pCanonic) + pCanonic->append(':'); + eState = STATE_IP6_3COLON; + } + else if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ2_MAYBE_IP4; + } + else if (rtl::isAsciiHexDigit(*p)) + { + nNumber = INetMIME::getHexWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ2; + } + else + goto done; + break; + + case STATE_IP6_3COLON: + if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + nOctets = 1; + eState = STATE_IP6_IP4; + } + else + goto done; + break; + + case STATE_IP6_HEXSEQ1: + if (*p == ']') + { + if (pCanonic) + pCanonic->append( + OUString::number(nNumber, 16)); + eState = STATE_IP6_DONE; + } + else if (*p == ':') + { + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber, 16)); + pCanonic->append(':'); + } + eState = STATE_IP6_HEXSEQ1_COLON; + } + else if (rtl::isAsciiHexDigit(*p) && nDigits < 4) + { + nNumber = 16 * nNumber + INetMIME::getHexWeight(*p); + ++nDigits; + } + else + goto done; + break; + + case STATE_IP6_HEXSEQ1_COLON: + if (*p == ':') + { + if (pCanonic) + pCanonic->append(':'); + eState = STATE_IP6_2COLON; + } + else if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ1_MAYBE_IP4; + } + else if (rtl::isAsciiHexDigit(*p)) + { + nNumber = INetMIME::getHexWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ1; + } + else + goto done; + break; + + case STATE_IP6_HEXSEQ1_MAYBE_IP4: + if (*p == ']') + { + if (pCanonic) + pCanonic->append( + OUString::number(nNumber, 16)); + eState = STATE_IP6_DONE; + } + else if (*p == ':') + { + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber, 16)); + pCanonic->append(':'); + } + eState = STATE_IP6_HEXSEQ1_COLON; + } + else if (*p == '.') + { + nNumber = 100 * (nNumber >> 8) + 10 * (nNumber >> 4 & 15) + + (nNumber & 15); + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber)); + pCanonic->append('.'); + } + nOctets = 2; + eState = STATE_IP6_IP4_DOT; + } + else if (rtl::isAsciiDigit(*p) && nDigits < 3) + { + nNumber = 16 * nNumber + INetMIME::getWeight(*p); + ++nDigits; + } + else if (rtl::isAsciiHexDigit(*p) && nDigits < 4) + { + nNumber = 16 * nNumber + INetMIME::getHexWeight(*p); + ++nDigits; + eState = STATE_IP6_HEXSEQ1; + } + else + goto done; + break; + + case STATE_IP6_HEXSEQ2: + if (*p == ']') + { + if (pCanonic) + pCanonic->append( + OUString::number(nNumber, 16)); + eState = STATE_IP6_DONE; + } + else if (*p == ':') + { + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber, 16)); + pCanonic->append(':'); + } + eState = STATE_IP6_HEXSEQ2_COLON; + } + else if (rtl::isAsciiHexDigit(*p) && nDigits < 4) + { + nNumber = 16 * nNumber + INetMIME::getHexWeight(*p); + ++nDigits; + } + else + goto done; + break; + + case STATE_IP6_HEXSEQ2_COLON: + if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ2_MAYBE_IP4; + } + else if (rtl::isAsciiHexDigit(*p)) + { + nNumber = INetMIME::getHexWeight(*p); + nDigits = 1; + eState = STATE_IP6_HEXSEQ2; + } + else + goto done; + break; + + case STATE_IP6_HEXSEQ2_MAYBE_IP4: + if (*p == ']') + { + if (pCanonic) + pCanonic->append( + OUString::number(nNumber, 16)); + eState = STATE_IP6_DONE; + } + else if (*p == ':') + { + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber, 16)); + pCanonic->append(':'); + } + eState = STATE_IP6_HEXSEQ2_COLON; + } + else if (*p == '.') + { + nNumber = 100 * (nNumber >> 8) + 10 * (nNumber >> 4 & 15) + + (nNumber & 15); + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber)); + pCanonic->append('.'); + } + nOctets = 2; + eState = STATE_IP6_IP4_DOT; + } + else if (rtl::isAsciiDigit(*p) && nDigits < 3) + { + nNumber = 16 * nNumber + INetMIME::getWeight(*p); + ++nDigits; + } + else if (rtl::isAsciiHexDigit(*p) && nDigits < 4) + { + nNumber = 16 * nNumber + INetMIME::getHexWeight(*p); + ++nDigits; + eState = STATE_IP6_HEXSEQ2; + } + else + goto done; + break; + + case STATE_IP6_IP4: + if (*p == ']') + if (nOctets == 4) + { + if (pCanonic) + pCanonic->append( + OUString::number(nNumber)); + eState = STATE_IP6_DONE; + } + else + goto done; + else if (*p == '.') + if (nOctets < 4) + { + if (pCanonic) + { + pCanonic->append( + OUString::number(nNumber)); + pCanonic->append('.'); + } + ++nOctets; + eState = STATE_IP6_IP4_DOT; + } + else + goto done; + else if (rtl::isAsciiDigit(*p) && nDigits < 3) + { + nNumber = 10 * nNumber + INetMIME::getWeight(*p); + ++nDigits; + } + else + goto done; + break; + + case STATE_IP6_IP4_DOT: + if (rtl::isAsciiDigit(*p)) + { + nNumber = INetMIME::getWeight(*p); + nDigits = 1; + eState = STATE_IP6_IP4; + } + else + goto done; + break; + + case STATE_IP6_DONE: + goto done; + } + done: + switch (eState) + { + case STATE_LABEL: + case STATE_TOPLABEL: + case STATE_TOPLABEL_DOT: + if (pCanonic) + { + pCanonic->setLength(nOriginalCanonicLength); + pCanonic->append(rBegin, p - rBegin); + } + rBegin = p; + return true; + + case STATE_IP4: + if (nOctets == 4) + { + if (pCanonic) + pCanonic->append( + OUString::number(nNumber)); + rBegin = p; + return true; + } + if (pCanonic) + pCanonic->setLength(nOriginalCanonicLength); + return false; + + case STATE_IP6_DONE: + if (pCanonic) + pCanonic->append(']'); + rBegin = p; + return true; + + default: + if (pCanonic) + pCanonic->setLength(nOriginalCanonicLength); + return false; + } +} + +// static +bool INetURLObject::parseHostOrNetBiosName( + sal_Unicode const * pBegin, sal_Unicode const * pEnd, + EncodeMechanism eMechanism, rtl_TextEncoding eCharset, bool bNetBiosName, + OUStringBuffer* pCanonic) +{ + if (pBegin >= pEnd) + return true; + sal_Int32 nOriginalCanonicLength = pCanonic ? pCanonic->getLength() : 0; + if (sal_Unicode const* p = pBegin; parseHost(p, pEnd, pCanonic) && p == pEnd) + return true; + if (pCanonic) + pCanonic->setLength(nOriginalCanonicLength); // discard parseHost results + if (!bNetBiosName) + return false; + while (pBegin < pEnd) + { + EscapeType eEscapeType; + switch (sal_uInt32 nUTF32 = getUTF32(pBegin, pEnd, eMechanism, eCharset, eEscapeType)) + { + default: + if (INetMIME::isVisible(nUTF32)) + { + if (pCanonic) + appendUCS4(*pCanonic, nUTF32, eEscapeType, PART_URIC, eCharset, true); + break; + } + [[fallthrough]]; + case '"': + case '*': + case '+': + case ',': + case '/': + case ':': + case ';': + case '<': + case '=': + case '>': + case '?': + case '[': + case '\\': + case ']': + case '`': + case '|': + if (pCanonic) + pCanonic->setLength(nOriginalCanonicLength); + return false; + } + } + return true; +} + +bool INetURLObject::setHost(std::u16string_view rTheHost, + rtl_TextEncoding eCharset) +{ + if (!getSchemeInfo().m_bHost) + return false; + OUStringBuffer aSynHost(rTheHost); + bool bNetBiosName = false; + switch (m_eScheme) + { + case INetProtocol::File: + { + if (OUString::unacquired(aSynHost).equalsIgnoreAsciiCase("localhost")) + { + aSynHost.setLength(0); + } + bNetBiosName = true; + } + break; + case INetProtocol::Ldap: + if (aSynHost.isEmpty() && m_aPort.isPresent()) + return false; + break; + + default: + if (aSynHost.isEmpty()) + return false; + break; + } + if (!parseHostOrNetBiosName( + aSynHost.getStr(), aSynHost.getStr() + aSynHost.getLength(), + EncodeMechanism::WasEncoded, eCharset, bNetBiosName, &aSynHost)) + return false; + sal_Int32 nDelta = m_aHost.set(m_aAbsURIRef, aSynHost); + m_aPort += nDelta; + m_aPath += nDelta; + m_aQuery += nDelta; + m_aFragment += nDelta; + return true; +} + +// static +bool INetURLObject::parsePath(INetProtocol eScheme, + sal_Unicode const ** pBegin, + sal_Unicode const * pEnd, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset, + bool bSkippedInitialSlash, + sal_uInt32 nSegmentDelimiter, + sal_uInt32 nAltSegmentDelimiter, + sal_uInt32 nQueryDelimiter, + sal_uInt32 nFragmentDelimiter, + OUStringBuffer &rSynPath) +{ + DBG_ASSERT(pBegin, "INetURLObject::parsePath(): Null output param"); + + sal_Unicode const * pPos = *pBegin; + const sal_Int32 nSynPathBeforeLen = rSynPath.getLength(); + switch (eScheme) + { + case INetProtocol::NotValid: + return false; + + case INetProtocol::Ftp: + if (pPos < pEnd && *pPos != '/' && *pPos != nFragmentDelimiter) + goto failed; + while (pPos < pEnd && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_HTTP_PATH, eCharset, true); + } + if (rSynPath.getLength() - nSynPathBeforeLen == 0) + rSynPath.append('/'); + break; + + case INetProtocol::Http: + case INetProtocol::VndSunStarWebdav: + case INetProtocol::Https: + case INetProtocol::Smb: + case INetProtocol::Cmis: + if (pPos < pEnd && *pPos != '/' && *pPos != nFragmentDelimiter) + goto failed; + while (pPos < pEnd && *pPos != nQueryDelimiter + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_HTTP_PATH, eCharset, true); + } + if (rSynPath.getLength() - nSynPathBeforeLen == 0) + rSynPath.append('/'); + break; + + case INetProtocol::File: + { + if (bSkippedInitialSlash) + rSynPath.append('/'); + else if (pPos < pEnd + && *pPos != nSegmentDelimiter + && *pPos != nAltSegmentDelimiter) + goto failed; + while (pPos < pEnd && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + if (eEscapeType == EscapeType::NONE) + { + if (nUTF32 == nSegmentDelimiter + || nUTF32 == nAltSegmentDelimiter) + { + rSynPath.append('/'); + continue; + } + else if (nUTF32 == '|' + && (pPos == pEnd + || *pPos == nFragmentDelimiter + || *pPos == nSegmentDelimiter + || *pPos == nAltSegmentDelimiter) + && rSynPath.getLength() - nSynPathBeforeLen == 2 + && rtl::isAsciiAlpha(rSynPath[nSynPathBeforeLen + 1])) + { + // A first segment of <ALPHA "|"> is translated to + // <ALPHA ":">: + rSynPath.append(':'); + continue; + } + } + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_PCHAR, eCharset, true); + } + if (rSynPath.getLength() - nSynPathBeforeLen == 0) + rSynPath.append('/'); + break; + } + + case INetProtocol::Mailto: + while (pPos < pEnd && *pPos != nQueryDelimiter + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_MAILTO, eCharset, true); + } + break; + + + case INetProtocol::PrivSoffice: + case INetProtocol::Slot: + case INetProtocol::Hid: + case INetProtocol::Macro: + case INetProtocol::Uno: + case INetProtocol::Component: + case INetProtocol::Ldap: + while (pPos < pEnd && *pPos != nQueryDelimiter + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_PATH_BEFORE_QUERY, eCharset, true); + } + break; + + case INetProtocol::VndSunStarHelp: + if (pPos == pEnd + || *pPos == nQueryDelimiter + || *pPos == nFragmentDelimiter) + rSynPath.append('/'); + else + { + if (*pPos != '/') + goto failed; + while (pPos < pEnd && *pPos != nQueryDelimiter + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, + eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_HTTP_PATH, eCharset, true); + } + } + break; + + case INetProtocol::Javascript: + case INetProtocol::Data: + case INetProtocol::Cid: + case INetProtocol::Db: + while (pPos < pEnd && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_URIC, eCharset, true); + } + break; + + case INetProtocol::VndSunStarHier: + case INetProtocol::VndSunStarPkg: + if (pPos < pEnd && *pPos != '/' + && *pPos != nQueryDelimiter && *pPos != nFragmentDelimiter) + goto failed; + while (pPos < pEnd && *pPos != nQueryDelimiter + && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + if (eEscapeType == EscapeType::NONE && nUTF32 == '/') + rSynPath.append('/'); + else + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_PCHAR, eCharset, false); + } + if (rSynPath.getLength() - nSynPathBeforeLen == 0) + rSynPath.append('/'); + break; + + case INetProtocol::VndSunStarCmd: + case INetProtocol::VndSunStarExpand: + { + if (pPos == pEnd || *pPos == nFragmentDelimiter) + goto failed; + Part ePart = PART_URIC_NO_SLASH; + while (pPos != pEnd && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, ePart, + eCharset, true); + ePart = PART_URIC; + } + break; + } + + case INetProtocol::Telnet: + if (pPos < pEnd) + { + if (*pPos != '/' || pEnd - pPos > 1) + goto failed; + ++pPos; + } + rSynPath.append('/'); + break; + + case INetProtocol::VndSunStarTdoc: + if (pPos == pEnd || *pPos != '/') + goto failed; + while (pPos < pEnd && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + if (eEscapeType == EscapeType::NONE && nUTF32 == '/') + rSynPath.append('/'); + else + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_PCHAR, eCharset, false); + } + break; + + case INetProtocol::Generic: + case INetProtocol::Sftp: + while (pPos < pEnd && *pPos != nFragmentDelimiter) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pPos, pEnd, eMechanism, + eCharset, eEscapeType); + appendUCS4(rSynPath, nUTF32, eEscapeType, + PART_URIC, eCharset, true); + } + if (rSynPath.isEmpty()) + goto failed; + break; + default: + OSL_ASSERT(false); + break; + } + + *pBegin = pPos; + return true; +failed: + rSynPath.setLength(nSynPathBeforeLen); + return false; +} + +bool INetURLObject::setPath(std::u16string_view rThePath, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + OUStringBuffer aSynPath(256); + sal_Unicode const * p = rThePath.data(); + sal_Unicode const * pEnd = p + rThePath.size(); + if (!parsePath(m_eScheme, &p, pEnd, eMechanism, eCharset, false, + '/', 0x80000000, 0x80000000, 0x80000000, aSynPath) + || p != pEnd) + return false; + sal_Int32 nDelta = m_aPath.set(m_aAbsURIRef, aSynPath); + m_aQuery += nDelta; + m_aFragment += nDelta; + return true; +} + +bool INetURLObject::checkHierarchical() const { + if (m_eScheme == INetProtocol::VndSunStarExpand) { + OSL_FAIL( + "INetURLObject::checkHierarchical vnd.sun.star.expand"); + return true; + } else { + return getSchemeInfo().m_bHierarchical; + } +} + +bool INetURLObject::Append(std::u16string_view rTheSegment, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + return insertName(rTheSegment, false, LAST_SEGMENT, eMechanism, eCharset); +} + +INetURLObject::SubString INetURLObject::getSegment(sal_Int32 nIndex, + bool bIgnoreFinalSlash) + const +{ + DBG_ASSERT(nIndex >= 0 || nIndex == LAST_SEGMENT, + "INetURLObject::getSegment(): Bad index"); + + if (!checkHierarchical()) + return SubString(); + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + sal_Unicode const * pSegBegin; + sal_Unicode const * pSegEnd; + if (nIndex == LAST_SEGMENT) + { + pSegEnd = pPathEnd; + if (bIgnoreFinalSlash && pSegEnd > pPathBegin && pSegEnd[-1] == '/') + --pSegEnd; + if (pSegEnd <= pPathBegin) + return SubString(); + pSegBegin = pSegEnd - 1; + while (pSegBegin > pPathBegin && *pSegBegin != '/') + --pSegBegin; + } + else + { + pSegBegin = pPathBegin; + while (nIndex-- > 0) + do + { + ++pSegBegin; + if (pSegBegin >= pPathEnd) + return SubString(); + } + while (*pSegBegin != '/'); + pSegEnd = pSegBegin + 1; + while (pSegEnd < pPathEnd && *pSegEnd != '/') + ++pSegEnd; + } + + return SubString(pSegBegin - m_aAbsURIRef.getStr(), + pSegEnd - pSegBegin); +} + +bool INetURLObject::insertName(std::u16string_view rTheName, + bool bAppendFinalSlash, sal_Int32 nIndex, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + DBG_ASSERT(nIndex >= 0 || nIndex == LAST_SEGMENT, + "INetURLObject::insertName(): Bad index"); + + if (!checkHierarchical()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + sal_Unicode const * pPrefixEnd; + bool bInsertSlash; + sal_Unicode const * pSuffixBegin; + if (nIndex == LAST_SEGMENT) + { + pPrefixEnd = pPathEnd; + if (pPrefixEnd > pPathBegin && + pPrefixEnd[-1] == '/') + { + --pPrefixEnd; + } + bInsertSlash = bAppendFinalSlash; + pSuffixBegin = pPathEnd; + } + else if (nIndex == 0) + { + pPrefixEnd = pPathBegin; + bInsertSlash = + (pPathBegin < pPathEnd && *pPathBegin != '/') || + (pPathBegin == pPathEnd && bAppendFinalSlash); + pSuffixBegin = + (pPathEnd - pPathBegin == 1 && *pPathBegin == '/' && + !bAppendFinalSlash) + ? pPathEnd : pPathBegin; + } + else + { + pPrefixEnd = pPathBegin; + sal_Unicode const * pEnd = pPathEnd; + if (pEnd > pPathBegin && pEnd[-1] == '/') + --pEnd; + bool bSkip = pPrefixEnd < pEnd && *pPrefixEnd == '/'; + bInsertSlash = false; + pSuffixBegin = pPathEnd; + while (nIndex-- > 0) + for (;;) + { + if (bSkip) + ++pPrefixEnd; + bSkip = true; + if (pPrefixEnd >= pEnd) + { + if (nIndex == 0) + { + bInsertSlash = bAppendFinalSlash; + break; + } + else + return false; + } + if (*pPrefixEnd == '/') + { + pSuffixBegin = pPrefixEnd; + break; + } + } + } + + OUStringBuffer aNewPath(256); + aNewPath.append(pPathBegin, pPrefixEnd - pPathBegin); + aNewPath.append('/'); + encodeText(aNewPath, rTheName, PART_PCHAR, + eMechanism, eCharset, true); + if (bInsertSlash) { + aNewPath.append('/'); + } + aNewPath.append(pSuffixBegin, pPathEnd - pSuffixBegin); + + return setPath(aNewPath, EncodeMechanism::NotCanonical, + RTL_TEXTENCODING_UTF8); +} + +void INetURLObject::clearQuery() +{ + if (HasError()) + return; + if (m_aQuery.isPresent()) + { + lcl_Erase(m_aAbsURIRef, m_aQuery.getBegin() - 1, + m_aQuery.getLength() + 1); + m_aFragment += m_aQuery.clear() - 1; + } +} + +bool INetURLObject::setQuery(std::u16string_view rTheQuery, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + if (!getSchemeInfo().m_bQuery) + return false; + OUStringBuffer aNewQuery; + encodeText(aNewQuery, rTheQuery, PART_URIC, + eMechanism, eCharset, true); + sal_Int32 nDelta; + if (m_aQuery.isPresent()) + nDelta = m_aQuery.set(m_aAbsURIRef, aNewQuery); + else + { + m_aAbsURIRef.insert(m_aPath.getEnd(), u'?'); + nDelta = m_aQuery.set(m_aAbsURIRef, aNewQuery, m_aPath.getEnd() + 1) + + 1; + } + m_aFragment += nDelta; + return true; +} + +bool INetURLObject::clearFragment() +{ + if (HasError()) + return false; + if (m_aFragment.isPresent()) + { + m_aAbsURIRef.setLength(m_aFragment.getBegin() - 1); + m_aFragment.clear(); + } + return true; +} + +bool INetURLObject::setFragment(std::u16string_view rTheFragment, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + if (HasError()) + return false; + OUStringBuffer aNewFragment; + encodeText(aNewFragment, rTheFragment, PART_URIC, + eMechanism, eCharset, true); + if (m_aFragment.isPresent()) + m_aFragment.set(m_aAbsURIRef, aNewFragment); + else + { + m_aAbsURIRef.append('#'); + m_aFragment.set(m_aAbsURIRef, aNewFragment, m_aAbsURIRef.getLength()); + } + return true; +} + +bool INetURLObject::hasDosVolume(FSysStyle eStyle) const +{ + sal_Unicode const * p = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + return (eStyle & FSysStyle::Dos) + && m_aPath.getLength() >= 3 + && p[0] == '/' + && rtl::isAsciiAlpha(p[1]) + && p[2] == ':' + && (m_aPath.getLength() == 3 || p[3] == '/'); +} + +// static +void INetURLObject::encodeText( OUStringBuffer& rOutputBuffer, + sal_Unicode const * pBegin, + sal_Unicode const * pEnd, + Part ePart, EncodeMechanism eMechanism, + rtl_TextEncoding eCharset, + bool bKeepVisibleEscapes) +{ + while (pBegin < pEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pBegin, pEnd, + eMechanism, eCharset, eEscapeType); + appendUCS4(rOutputBuffer, nUTF32, eEscapeType, ePart, + eCharset, bKeepVisibleEscapes); + } +} + +// static +OUString INetURLObject::decode(sal_Unicode const * pBegin, + sal_Unicode const * pEnd, + DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + switch (eMechanism) + { + case DecodeMechanism::NONE: + return OUString(pBegin, pEnd - pBegin); + + case DecodeMechanism::ToIUri: + eCharset = RTL_TEXTENCODING_UTF8; + break; + + default: + break; + } + OUStringBuffer aResult(static_cast<int>(pEnd-pBegin)); + while (pBegin < pEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(pBegin, pEnd, + EncodeMechanism::WasEncoded, eCharset, eEscapeType); + switch (eEscapeType) + { + case EscapeType::NONE: + aResult.appendUtf32(nUTF32); + break; + + case EscapeType::Octet: + appendEscape(aResult, nUTF32); + break; + + case EscapeType::Utf32: + if ( + rtl::isAscii(nUTF32) && + ( + eMechanism == DecodeMechanism::ToIUri || + ( + eMechanism == DecodeMechanism::Unambiguous && + mustEncode(nUTF32, PART_UNAMBIGUOUS) + ) + ) + ) + { + appendEscape(aResult, nUTF32); + } + else + aResult.appendUtf32(nUTF32); + break; + } + } + return aResult.makeStringAndClear(); +} + +OUString INetURLObject::GetURLNoPass(DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + INetURLObject aTemp(*this); + aTemp.clearPassword(); + return aTemp.GetMainURL(eMechanism, eCharset); +} + +OUString INetURLObject::GetURLNoMark(DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + INetURLObject aTemp(*this); + aTemp.clearFragment(); + return aTemp.GetMainURL(eMechanism, eCharset); +} + +OUString +INetURLObject::getAbbreviated( + uno::Reference< util::XStringWidth > const & rStringWidth, + sal_Int32 nWidth, + DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) + const +{ + OSL_ENSURE(rStringWidth.is(), "specification violation"); + OUStringBuffer aBuffer; + // make sure that the scheme is copied for generic schemes: getSchemeInfo().m_pScheme + // is empty ("") in that case, so take the scheme from m_aAbsURIRef + if (m_eScheme != INetProtocol::Generic) + { + aBuffer.append(getSchemeInfo().m_sScheme.asView()); + } + else + { + if (!m_aAbsURIRef.isEmpty()) + { + sal_Unicode const * pSchemeBegin + = m_aAbsURIRef.getStr(); + sal_Unicode const * pSchemeEnd = pSchemeBegin; + + while (pSchemeEnd[0] != ':') + { + ++pSchemeEnd; + } + aBuffer.append(pSchemeBegin, pSchemeEnd - pSchemeBegin); + } + } + aBuffer.append(':'); + bool bAuthority = getSchemeInfo().m_bAuthority; + sal_Unicode const * pCoreBegin + = m_aAbsURIRef.getStr() + (bAuthority ? getAuthorityBegin() : + m_aPath.getBegin()); + sal_Unicode const * pCoreEnd + = m_aAbsURIRef.getStr() + m_aPath.getBegin() + m_aPath.getLength(); + bool bSegment = false; + if (getSchemeInfo().m_bHierarchical) + { + OUString aRest; + if (m_aQuery.isPresent()) + aRest = "?..."; + else if (m_aFragment.isPresent()) + aRest = "#..."; + OUStringBuffer aTrailer; + sal_Unicode const * pBegin = pCoreBegin; + sal_Unicode const * pEnd = pCoreEnd; + sal_Unicode const * pPrefixBegin = pBegin; + sal_Unicode const * pSuffixEnd = pEnd; + bool bPrefix = true; + bool bSuffix = true; + do + { + if (bSuffix) + { + sal_Unicode const * p = pSuffixEnd - 1; + if (pSuffixEnd == pCoreEnd && *p == '/') + --p; + while (*p != '/') + --p; + if (bAuthority && p == pCoreBegin + 1) + --p; + OUString + aSegment(decode(p + (p == pBegin && pBegin != pCoreBegin ? + 1 : 0), + pSuffixEnd, + eMechanism, + eCharset)); + pSuffixEnd = p; + OUStringBuffer aResult(aBuffer); + if (pSuffixEnd != pBegin) + aResult.append("..."); + aResult.append(aSegment); + aResult.append(aTrailer); + aResult.append(aRest); + if (rStringWidth-> + queryStringWidth(aResult.makeStringAndClear()) + <= nWidth) + { + aTrailer.insert(0, aSegment); + bSegment = true; + pEnd = pSuffixEnd; + } + else + bSuffix = false; + if (pPrefixBegin > pSuffixEnd) + pPrefixBegin = pSuffixEnd; + if (pBegin == pEnd) + break; + } + if (bPrefix) + { + sal_Unicode const * p + = pPrefixBegin + + (bAuthority && pPrefixBegin == pCoreBegin ? 2 : + 1); + OSL_ASSERT(p <= pEnd); + while (p < pEnd && *p != '/') + ++p; + if (p == pCoreEnd - 1 && *p == '/') + ++p; + OUString + aSegment(decode(pPrefixBegin + + (pPrefixBegin == pCoreBegin ? 0 : + 1), + p == pEnd ? p : p + 1, + eMechanism, + eCharset)); + pPrefixBegin = p; + OUStringBuffer aResult(aBuffer); + aResult.append(aSegment); + if (pPrefixBegin != pEnd) + aResult.append("..."); + aResult.append(aTrailer); + aResult.append(aRest); + if (rStringWidth-> + queryStringWidth(aResult.makeStringAndClear()) + <= nWidth) + { + aBuffer.append(aSegment); + bSegment = true; + pBegin = pPrefixBegin; + } + else + bPrefix = false; + if (pPrefixBegin > pSuffixEnd) + pSuffixEnd = pPrefixBegin; + if (pBegin == pEnd) + break; + } + } + while (bPrefix || bSuffix); + if (bSegment) + { + if (pPrefixBegin != pBegin || pSuffixEnd != pEnd) + aBuffer.append("..."); + aBuffer.append(aTrailer); + } + } + if (!bSegment) + aBuffer.append(decode(pCoreBegin, + pCoreEnd, + eMechanism, + eCharset)); + if (m_aQuery.isPresent()) + { + aBuffer.append('?'); + aBuffer.append(decode(m_aQuery, eMechanism, eCharset)); + } + if (m_aFragment.isPresent()) + { + aBuffer.append('#'); + aBuffer.append(decode(m_aFragment, eMechanism, eCharset)); + } + if (!aBuffer.isEmpty()) + { + OUStringBuffer aResult(aBuffer); + if (rStringWidth->queryStringWidth(aResult.makeStringAndClear()) + > nWidth) + for (sal_Int32 i = aBuffer.getLength();;) + { + if (i == 0) + { + aBuffer.setLength(aBuffer.getLength() - 1); + if (aBuffer.isEmpty()) + break; + } + else + { + aBuffer.setLength(--i); + aBuffer.append("..."); + } + aResult = aBuffer; + if (rStringWidth-> + queryStringWidth(aResult.makeStringAndClear()) + <= nWidth) + break; + } + } + return aBuffer.makeStringAndClear(); +} + +bool INetURLObject::operator ==(INetURLObject const & rObject) const +{ + if (m_eScheme != rObject.m_eScheme) + return false; + if (m_eScheme == INetProtocol::NotValid) + return std::u16string_view(m_aAbsURIRef) == std::u16string_view(rObject.m_aAbsURIRef); + if ((m_aScheme.compare( + rObject.m_aScheme, m_aAbsURIRef, rObject.m_aAbsURIRef) + != 0) + || GetUser(DecodeMechanism::NONE) != rObject.GetUser(DecodeMechanism::NONE) + || GetPass(DecodeMechanism::NONE) != rObject.GetPass(DecodeMechanism::NONE) + || !GetHost(DecodeMechanism::NONE).equalsIgnoreAsciiCase( + rObject.GetHost(DecodeMechanism::NONE)) + || GetPort() != rObject.GetPort() + || HasParam() != rObject.HasParam() + || GetParam() != rObject.GetParam()) + return false; + OUString aPath1(GetURLPath(DecodeMechanism::NONE)); + OUString aPath2(rObject.GetURLPath(DecodeMechanism::NONE)); + switch (m_eScheme) + { + case INetProtocol::File: + { + // If the URL paths of two file URLs only differ in that one has a + // final '/' and the other has not, take the two paths as + // equivalent (this could be useful for other schemes, too): + sal_Int32 nLength = aPath1.getLength(); + switch (nLength - aPath2.getLength()) + { + case -1: + if (aPath2[nLength] != '/') + return false; + break; + + case 0: + break; + + case 1: + if (aPath1[--nLength] != '/') + return false; + break; + + default: + return false; + } + return aPath1.compareTo(aPath2, nLength) == 0; + } + + default: + return aPath1 == aPath2; + } +} + +bool INetURLObject::ConcatData(INetProtocol eTheScheme, + std::u16string_view rTheUser, + std::u16string_view rThePassword, + std::u16string_view rTheHost, + sal_uInt32 nThePort, + std::u16string_view rThePath) +{ + setInvalid(); + m_eScheme = eTheScheme; + if (HasError() || m_eScheme == INetProtocol::Generic) + return false; + m_aAbsURIRef.setLength(0); + m_aAbsURIRef.append(getSchemeInfo().m_sScheme.asView()); + m_aAbsURIRef.append(':'); + if (getSchemeInfo().m_bAuthority) + { + m_aAbsURIRef.append("//"); + bool bUserInfo = false; + if (getSchemeInfo().m_bUser) + { + if (!rTheUser.empty()) + { + OUStringBuffer aNewUser; + encodeText(aNewUser, rTheUser, PART_USER_PASSWORD, + EncodeMechanism::WasEncoded, RTL_TEXTENCODING_UTF8, false); + m_aUser.set(m_aAbsURIRef, aNewUser, m_aAbsURIRef.getLength()); + bUserInfo = true; + } + } + else if (!rTheUser.empty()) + { + setInvalid(); + return false; + } + if (!rThePassword.empty()) + { + if (getSchemeInfo().m_bPassword) + { + m_aAbsURIRef.append(':'); + OUStringBuffer aNewAuth; + encodeText(aNewAuth, rThePassword, PART_USER_PASSWORD, + EncodeMechanism::WasEncoded, RTL_TEXTENCODING_UTF8, false); + m_aAuth.set(m_aAbsURIRef, aNewAuth, m_aAbsURIRef.getLength()); + bUserInfo = true; + } + else + { + setInvalid(); + return false; + } + } + if (bUserInfo && getSchemeInfo().m_bHost) + m_aAbsURIRef.append('@'); + if (getSchemeInfo().m_bHost) + { + OUStringBuffer aSynHost(rTheHost); + bool bNetBiosName = false; + switch (m_eScheme) + { + case INetProtocol::File: + { + if (OUString::unacquired(aSynHost).equalsIgnoreAsciiCase( "localhost" )) + { + aSynHost.setLength(0); + } + bNetBiosName = true; + } + break; + + case INetProtocol::Ldap: + if (aSynHost.isEmpty() && nThePort != 0) + { + setInvalid(); + return false; + } + break; + + default: + if (aSynHost.isEmpty()) + { + setInvalid(); + return false; + } + break; + } + if (!parseHostOrNetBiosName( + aSynHost.getStr(), aSynHost.getStr() + aSynHost.getLength(), + EncodeMechanism::WasEncoded, RTL_TEXTENCODING_UTF8, bNetBiosName, &aSynHost)) + { + setInvalid(); + return false; + } + m_aHost.set(m_aAbsURIRef, aSynHost, m_aAbsURIRef.getLength()); + if (nThePort != 0) + { + if (getSchemeInfo().m_bPort) + { + m_aAbsURIRef.append(':'); + m_aPort.set(m_aAbsURIRef, + OUString::number(nThePort), + m_aAbsURIRef.getLength()); + } + else + { + setInvalid(); + return false; + } + } + } + else if (!rTheHost.empty() || nThePort != 0) + { + setInvalid(); + return false; + } + } + OUStringBuffer aSynPath(256); + sal_Unicode const * p = rThePath.data(); + sal_Unicode const * pEnd = p + rThePath.size(); + if (!parsePath(m_eScheme, &p, pEnd, EncodeMechanism::WasEncoded, RTL_TEXTENCODING_UTF8, false, '/', + 0x80000000, 0x80000000, 0x80000000, aSynPath) + || p != pEnd) + { + setInvalid(); + return false; + } + m_aPath.set(m_aAbsURIRef, aSynPath, m_aAbsURIRef.getLength()); + return true; +} + +// static +OUString INetURLObject::GetAbsURL(std::u16string_view rTheBaseURIRef, + OUString const & rTheRelURIRef, + EncodeMechanism eEncodeMechanism, + DecodeMechanism eDecodeMechanism, + rtl_TextEncoding eCharset) +{ + // Backwards compatibility: + if (rTheRelURIRef.isEmpty() || rTheRelURIRef[0] == '#') + return rTheRelURIRef; + + INetURLObject aTheAbsURIRef; + bool bWasAbsolute; + return INetURLObject(rTheBaseURIRef, eEncodeMechanism, eCharset). + convertRelToAbs(rTheRelURIRef, aTheAbsURIRef, + bWasAbsolute, eEncodeMechanism, + eCharset, false, false, + false, FSysStyle::Detect) + || eEncodeMechanism != EncodeMechanism::WasEncoded + || eDecodeMechanism != DecodeMechanism::ToIUri + || eCharset != RTL_TEXTENCODING_UTF8 ? + aTheAbsURIRef.GetMainURL(eDecodeMechanism, eCharset) : + rTheRelURIRef; +} + +OUString INetURLObject::getExternalURL() const +{ + OUString aTheExtURIRef; + translateToExternal( + m_aAbsURIRef, aTheExtURIRef); + return aTheExtURIRef; +} + +bool INetURLObject::isSchemeEqualTo(std::u16string_view scheme) const { + return m_aScheme.isPresent() + && (rtl_ustr_compareIgnoreAsciiCase_WithLength( + scheme.data(), scheme.size(), + m_aAbsURIRef.getStr() + m_aScheme.getBegin(), + m_aScheme.getLength()) + == 0); +} + +bool INetURLObject::isAnyKnownWebDAVScheme() const { + return ( isSchemeEqualTo( INetProtocol::Http ) || + isSchemeEqualTo( INetProtocol::Https ) || + isSchemeEqualTo( INetProtocol::VndSunStarWebdav ) || + isSchemeEqualTo( u"vnd.sun.star.webdavs" ) || + isSchemeEqualTo( u"webdav" ) || + isSchemeEqualTo( u"webdavs" )); +} + +// static +OUString INetURLObject::GetScheme(INetProtocol eTheScheme) +{ + return OUString::createFromAscii(getSchemeInfo(eTheScheme).m_pPrefix); +} + +// static +const OUString & INetURLObject::GetSchemeName(INetProtocol eTheScheme) +{ + return getSchemeInfo(eTheScheme).m_sScheme; +} + +// static +INetProtocol INetURLObject::CompareProtocolScheme(std::u16string_view aTheAbsURIRef) +{ + sal_Unicode const * p = aTheAbsURIRef.data(); + PrefixInfo const * pPrefix = getPrefix(p, p + aTheAbsURIRef.size()); + return pPrefix ? pPrefix->m_eScheme : INetProtocol::NotValid; +} + +OUString INetURLObject::GetHostPort(DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + // Check because PROT_VND_SUN_STAR_HELP, PROT_VND_SUN_STAR_HIER, and + // PROT_VND_SUN_STAR_PKG misuse m_aHost: + if (!getSchemeInfo().m_bHost) + return OUString(); + OUStringBuffer aHostPort(decode(m_aHost, eMechanism, eCharset)); + if (m_aPort.isPresent()) + { + aHostPort.append(':'); + aHostPort.append(decode(m_aPort, eMechanism, eCharset)); + } + return aHostPort.makeStringAndClear(); +} + +sal_uInt32 INetURLObject::GetPort() const +{ + if (m_aPort.isPresent()) + { + sal_Unicode const * p = m_aAbsURIRef.getStr() + m_aPort.getBegin(); + sal_Unicode const * pEnd = p + m_aPort.getLength(); + sal_uInt32 nThePort; + if (INetMIME::scanUnsigned(p, pEnd, true, nThePort) && p == pEnd) + return nThePort; + } + return 0; +} + +bool INetURLObject::SetPort(sal_uInt32 nThePort) +{ + if (getSchemeInfo().m_bPort && m_aHost.isPresent()) + { + sal_Int32 nDelta; + if (m_aPort.isPresent()) + nDelta = m_aPort.set(m_aAbsURIRef, OUString::number(nThePort)); + else + { + m_aAbsURIRef.insert(m_aHost.getEnd(), u':'); + nDelta = m_aPort.set(m_aAbsURIRef, OUString::number(nThePort), m_aHost.getEnd() + 1) + + 1; + } + m_aPath += nDelta; + m_aQuery += nDelta; + m_aFragment += nDelta; + return true; + } + return false; +} + +sal_Int32 INetURLObject::getSegmentCount(bool bIgnoreFinalSlash) const +{ + if (!checkHierarchical()) + return 0; + + sal_Unicode const * p = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pEnd = p + m_aPath.getLength(); + if (bIgnoreFinalSlash && pEnd > p && pEnd[-1] == '/') + --pEnd; + sal_Int32 n = p == pEnd || *p == '/' ? 0 : 1; + while (p != pEnd) + if (*p++ == '/') + ++n; + return n; +} + +bool INetURLObject::removeSegment(sal_Int32 nIndex, bool bIgnoreFinalSlash) +{ + SubString aSegment(getSegment(nIndex, bIgnoreFinalSlash)); + if (!aSegment.isPresent()) + return false; + + OUStringBuffer aNewPath(m_aPath.getLength()); + aNewPath.append(m_aAbsURIRef.getStr() + m_aPath.getBegin(), + aSegment.getBegin() - m_aPath.getBegin()); + if (bIgnoreFinalSlash && aSegment.getEnd() == m_aPath.getEnd()) + aNewPath.append('/'); + else + aNewPath.append(m_aAbsURIRef.getStr() + aSegment.getEnd(), + m_aPath.getEnd() - aSegment.getEnd()); + if (aNewPath.isEmpty() && !aSegment.isEmpty() && + m_aAbsURIRef[aSegment.getBegin()] == '/') + { + aNewPath.append('/'); + } + + return setPath(aNewPath, EncodeMechanism::NotCanonical, + RTL_TEXTENCODING_UTF8); +} + +OUString INetURLObject::getName(sal_Int32 nIndex, bool bIgnoreFinalSlash, + DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + SubString aSegment(getSegment(nIndex, bIgnoreFinalSlash)); + if (!aSegment.isPresent()) + return OUString(); + + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * p = pSegBegin; + while (p != pSegEnd && *p != ';') + ++p; + + return decode(pSegBegin, p, eMechanism, eCharset); +} + +bool INetURLObject::setName(std::u16string_view rTheName, EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + SubString aSegment(getSegment(LAST_SEGMENT, true)); + if (!aSegment.isPresent()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * p = pSegBegin; + while (p != pSegEnd && *p != ';') + ++p; + + OUStringBuffer aNewPath(256); + aNewPath.append(std::u16string_view(pPathBegin, pSegBegin - pPathBegin)); + encodeText(aNewPath, rTheName, PART_PCHAR, eMechanism, eCharset, true); + aNewPath.append(std::u16string_view(p, pPathEnd - p)); + return setPath(aNewPath, EncodeMechanism::NotCanonical, RTL_TEXTENCODING_UTF8); +} + +bool INetURLObject::hasExtension() + const +{ + SubString aSegment(getSegment(LAST_SEGMENT, true/*bIgnoreFinalSlash*/)); + if (!aSegment.isPresent()) + return false; + + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + for (sal_Unicode const * p = pSegBegin; p != pSegEnd && *p != ';'; ++p) + if (*p == '.' && p != pSegBegin) + return true; + return false; +} + +OUString INetURLObject::getBase(sal_Int32 nIndex, bool bIgnoreFinalSlash, + DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + SubString aSegment(getSegment(nIndex, bIgnoreFinalSlash)); + if (!aSegment.isPresent()) + return OUString(); + + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * pExtension = nullptr; + sal_Unicode const * p = pSegBegin; + for (; p != pSegEnd && *p != ';'; ++p) + if (*p == '.' && p != pSegBegin) + pExtension = p; + if (!pExtension) + pExtension = p; + + return decode(pSegBegin, pExtension, eMechanism, eCharset); +} + +bool INetURLObject::setBase(std::u16string_view rTheBase, sal_Int32 nIndex, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset) +{ + SubString aSegment(getSegment(nIndex, true/*bIgnoreFinalSlash*/)); + if (!aSegment.isPresent()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * pExtension = nullptr; + sal_Unicode const * p = pSegBegin; + for (; p != pSegEnd && *p != ';'; ++p) + if (*p == '.' && p != pSegBegin) + pExtension = p; + if (!pExtension) + pExtension = p; + + OUStringBuffer aNewPath(256); + aNewPath.append(std::u16string_view(pPathBegin, pSegBegin - pPathBegin)); + encodeText(aNewPath, rTheBase, PART_PCHAR, eMechanism, eCharset, true); + aNewPath.append(std::u16string_view(pExtension, pPathEnd - pExtension)); + return setPath(aNewPath, EncodeMechanism::NotCanonical, RTL_TEXTENCODING_UTF8); +} + +OUString INetURLObject::getExtension(sal_Int32 nIndex, + bool bIgnoreFinalSlash, + DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + SubString aSegment(getSegment(nIndex, bIgnoreFinalSlash)); + if (!aSegment.isPresent()) + return OUString(); + + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * pExtension = nullptr; + sal_Unicode const * p = pSegBegin; + for (; p != pSegEnd && *p != ';'; ++p) + if (*p == '.' && p != pSegBegin) + pExtension = p; + + if (!pExtension) + return OUString(); + + return decode(pExtension + 1, p, eMechanism, eCharset); +} + +bool INetURLObject::setExtension(std::u16string_view rTheExtension, + sal_Int32 nIndex, bool bIgnoreFinalSlash, + rtl_TextEncoding eCharset) +{ + SubString aSegment(getSegment(nIndex, bIgnoreFinalSlash)); + if (!aSegment.isPresent()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * pExtension = nullptr; + sal_Unicode const * p = pSegBegin; + for (; p != pSegEnd && *p != ';'; ++p) + if (*p == '.' && p != pSegBegin) + pExtension = p; + if (!pExtension) + pExtension = p; + + OUStringBuffer aNewPath(256); + aNewPath.append(OUString::Concat(std::u16string_view(pPathBegin, pExtension - pPathBegin)) + "."); + encodeText(aNewPath, rTheExtension, PART_PCHAR, EncodeMechanism::WasEncoded, eCharset, true); + aNewPath.append(std::u16string_view(p, pPathEnd - p)); + return setPath(aNewPath, EncodeMechanism::NotCanonical, RTL_TEXTENCODING_UTF8); +} + +bool INetURLObject::removeExtension(sal_Int32 nIndex, bool bIgnoreFinalSlash) +{ + SubString aSegment(getSegment(nIndex, bIgnoreFinalSlash)); + if (!aSegment.isPresent()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + sal_Unicode const * pSegBegin + = m_aAbsURIRef.getStr() + aSegment.getBegin(); + sal_Unicode const * pSegEnd = pSegBegin + aSegment.getLength(); + + if (pSegBegin < pSegEnd && *pSegBegin == '/') + ++pSegBegin; + sal_Unicode const * pExtension = nullptr; + sal_Unicode const * p = pSegBegin; + for (; p != pSegEnd && *p != ';'; ++p) + if (*p == '.' && p != pSegBegin) + pExtension = p; + if (!pExtension) + return true; + + OUString aNewPath = + OUString::Concat(std::u16string_view(pPathBegin, pExtension - pPathBegin)) + + std::u16string_view(p, pPathEnd - p); + + return setPath(aNewPath, EncodeMechanism::NotCanonical, RTL_TEXTENCODING_UTF8); +} + +bool INetURLObject::hasFinalSlash() const +{ + if (!checkHierarchical()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + return pPathEnd > pPathBegin && pPathEnd[-1] == '/'; +} + +bool INetURLObject::setFinalSlash() +{ + if (!checkHierarchical()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + if (pPathEnd > pPathBegin && pPathEnd[-1] == '/') + return true; + + OUString aNewPath + = OUString::Concat(std::u16string_view(pPathBegin, pPathEnd - pPathBegin)) + "/"; + + return setPath(aNewPath, EncodeMechanism::NotCanonical, RTL_TEXTENCODING_UTF8); +} + +bool INetURLObject::removeFinalSlash() +{ + if (!checkHierarchical()) + return false; + + sal_Unicode const * pPathBegin + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pPathEnd = pPathBegin + m_aPath.getLength(); + if (pPathEnd <= pPathBegin || pPathEnd[-1] != '/') + return true; + + --pPathEnd; + if (pPathEnd == pPathBegin && *pPathBegin == '/') + return false; + OUString aNewPath(pPathBegin, pPathEnd - pPathBegin); + + return setPath(aNewPath, EncodeMechanism::NotCanonical, RTL_TEXTENCODING_UTF8); +} + +OUString INetURLObject::getFSysPath(FSysStyle eStyle, + sal_Unicode * pDelimiter) const +{ + if (m_eScheme != INetProtocol::File) + return OUString(); + + if (((eStyle & FSysStyle::Vos) ? 1 : 0) + + ((eStyle & FSysStyle::Unix) ? 1 : 0) + + ((eStyle & FSysStyle::Dos) ? 1 : 0) + > 1) + { + if(eStyle & FSysStyle::Vos && m_aHost.isPresent() && m_aHost.getLength() > 0) + { + eStyle= FSysStyle::Vos; + } + else + { + if(hasDosVolume(eStyle) || ((eStyle & FSysStyle::Dos) && m_aHost.isPresent() && m_aHost.getLength() > 0)) + { + eStyle = FSysStyle::Dos; + } + else + { + if(eStyle & FSysStyle::Unix && (!m_aHost.isPresent() || m_aHost.getLength() == 0)) + { + eStyle = FSysStyle::Unix; + } + else + { + eStyle= FSysStyle(0); + } + } + } + } + + switch (eStyle) + { + case FSysStyle::Vos: + { + if (pDelimiter) + *pDelimiter = '/'; + + OUStringBuffer aSynFSysPath; + aSynFSysPath.append("//"); + if (m_aHost.isPresent() && m_aHost.getLength() > 0) + aSynFSysPath.append(decode(m_aHost, DecodeMechanism::WithCharset, + RTL_TEXTENCODING_UTF8)); + else + aSynFSysPath.append('.'); + aSynFSysPath.append(decode(m_aPath, DecodeMechanism::WithCharset, + RTL_TEXTENCODING_UTF8)); + return aSynFSysPath.makeStringAndClear(); + } + + case FSysStyle::Unix: + { + if (m_aHost.isPresent() && m_aHost.getLength() > 0) + return OUString(); + + if (pDelimiter) + *pDelimiter = '/'; + + return decode(m_aPath, DecodeMechanism::WithCharset, RTL_TEXTENCODING_UTF8); + } + + case FSysStyle::Dos: + { + if (pDelimiter) + *pDelimiter = '\\'; + + OUStringBuffer aSynFSysPath(64); + if (m_aHost.isPresent() && m_aHost.getLength() > 0) + { + aSynFSysPath.append("\\\\"); + aSynFSysPath.append(decode(m_aHost, DecodeMechanism::WithCharset, + RTL_TEXTENCODING_UTF8)); + aSynFSysPath.append('\\'); + } + sal_Unicode const * p + = m_aAbsURIRef.getStr() + m_aPath.getBegin(); + sal_Unicode const * pEnd = p + m_aPath.getLength(); + DBG_ASSERT(p < pEnd && *p == '/', + "INetURLObject::getFSysPath(): Bad path"); + ++p; + while (p < pEnd) + { + EscapeType eEscapeType; + sal_uInt32 nUTF32 = getUTF32(p, pEnd, EncodeMechanism::WasEncoded, + RTL_TEXTENCODING_UTF8, + eEscapeType); + if (eEscapeType == EscapeType::NONE && nUTF32 == '/') + aSynFSysPath.append('\\'); + else + aSynFSysPath.appendUtf32(nUTF32); + } + return aSynFSysPath.makeStringAndClear(); + } + + default: + return OUString(); + } +} + +// static +void INetURLObject::appendUCS4Escape(OUStringBuffer & rTheText, + sal_uInt32 nUCS4) +{ + DBG_ASSERT(nUCS4 < 0x80000000, + "INetURLObject::appendUCS4Escape(): Bad char"); + if (nUCS4 < 0x80) + appendEscape(rTheText, nUCS4); + else if (nUCS4 < 0x800) + { + appendEscape(rTheText, nUCS4 >> 6 | 0xC0); + appendEscape(rTheText, (nUCS4 & 0x3F) | 0x80); + } + else if (nUCS4 < 0x10000) + { + appendEscape(rTheText, nUCS4 >> 12 | 0xE0); + appendEscape(rTheText, (nUCS4 >> 6 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 & 0x3F) | 0x80); + } + else if (nUCS4 < 0x200000) + { + appendEscape(rTheText, nUCS4 >> 18 | 0xF0); + appendEscape(rTheText, (nUCS4 >> 12 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 >> 6 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 & 0x3F) | 0x80); + } + else if (nUCS4 < 0x4000000) + { + appendEscape(rTheText, nUCS4 >> 24 | 0xF8); + appendEscape(rTheText, (nUCS4 >> 18 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 >> 12 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 >> 6 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 & 0x3F) | 0x80); + } + else + { + appendEscape(rTheText, nUCS4 >> 30 | 0xFC); + appendEscape(rTheText, (nUCS4 >> 24 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 >> 18 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 >> 12 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 >> 6 & 0x3F) | 0x80); + appendEscape(rTheText, (nUCS4 & 0x3F) | 0x80); + } +} + +// static +void INetURLObject::appendUCS4(OUStringBuffer& rTheText, sal_uInt32 nUCS4, + EscapeType eEscapeType, + Part ePart, rtl_TextEncoding eCharset, + bool bKeepVisibleEscapes) +{ + bool bEscape; + rtl_TextEncoding eTargetCharset = RTL_TEXTENCODING_DONTKNOW; + switch (eEscapeType) + { + case EscapeType::NONE: + if (mustEncode(nUCS4, ePart)) + { + bEscape = true; + eTargetCharset = RTL_TEXTENCODING_UTF8; + } + else + bEscape = false; + break; + + case EscapeType::Octet: + bEscape = true; + eTargetCharset = RTL_TEXTENCODING_ISO_8859_1; + break; + + case EscapeType::Utf32: + if (mustEncode(nUCS4, ePart)) + { + bEscape = true; + eTargetCharset = eCharset; + } + else if (bKeepVisibleEscapes && INetMIME::isVisible(nUCS4)) + { + bEscape = true; + eTargetCharset = RTL_TEXTENCODING_ASCII_US; + } + else + bEscape = false; + break; + default: + bEscape = false; + } + + if (bEscape) + { + switch (eTargetCharset) + { + default: + OSL_FAIL("INetURLObject::appendUCS4(): Unsupported charset"); + [[fallthrough]]; + case RTL_TEXTENCODING_ASCII_US: + case RTL_TEXTENCODING_ISO_8859_1: + appendEscape(rTheText, nUCS4); + break; + case RTL_TEXTENCODING_UTF8: + appendUCS4Escape(rTheText, nUCS4); + break; + } + } + else + rTheText.append(sal_Unicode(nUCS4)); +} + +// static +sal_uInt32 INetURLObject::getUTF32(sal_Unicode const *& rBegin, + sal_Unicode const * pEnd, + EncodeMechanism eMechanism, + rtl_TextEncoding eCharset, + EscapeType & rEscapeType) +{ + DBG_ASSERT(rBegin < pEnd, "INetURLObject::getUTF32(): Bad sequence"); + sal_uInt32 nUTF32 = INetMIME::getUTF32Character(rBegin, pEnd); + switch (eMechanism) + { + case EncodeMechanism::All: + rEscapeType = EscapeType::NONE; + break; + + case EncodeMechanism::WasEncoded: + { + int nWeight1; + int nWeight2; + if (nUTF32 == static_cast<unsigned char>('%') && rBegin + 1 < pEnd + && (nWeight1 = INetMIME::getHexWeight(rBegin[0])) >= 0 + && (nWeight2 = INetMIME::getHexWeight(rBegin[1])) >= 0) + { + rBegin += 2; + nUTF32 = nWeight1 << 4 | nWeight2; + switch (eCharset) + { + default: + OSL_FAIL( + "INetURLObject::getUTF32(): Unsupported charset"); + [[fallthrough]]; + case RTL_TEXTENCODING_ASCII_US: + rEscapeType = rtl::isAscii(nUTF32) ? + EscapeType::Utf32 : EscapeType::Octet; + break; + + case RTL_TEXTENCODING_ISO_8859_1: + rEscapeType = EscapeType::Utf32; + break; + + case RTL_TEXTENCODING_UTF8: + if (rtl::isAscii(nUTF32)) + rEscapeType = EscapeType::Utf32; + else + { + if (nUTF32 >= 0xC0 && nUTF32 <= 0xF4) + { + sal_uInt32 nEncoded; + int nShift; + sal_uInt32 nMin; + if (nUTF32 <= 0xDF) + { + nEncoded = (nUTF32 & 0x1F) << 6; + nShift = 0; + nMin = 0x80; + } + else if (nUTF32 <= 0xEF) + { + nEncoded = (nUTF32 & 0x0F) << 12; + nShift = 6; + nMin = 0x800; + } + else + { + nEncoded = (nUTF32 & 0x07) << 18; + nShift = 12; + nMin = 0x10000; + } + sal_Unicode const * p = rBegin; + bool bUTF8 = true; + for (;;) + { + if (pEnd - p < 3 + || p[0] != '%' + || (nWeight1 + = INetMIME::getHexWeight(p[1])) + < 8 + || nWeight1 > 11 + || (nWeight2 + = INetMIME::getHexWeight(p[2])) + < 0) + { + bUTF8 = false; + break; + } + p += 3; + nEncoded + |= ((nWeight1 & 3) << 4 | nWeight2) + << nShift; + if (nShift == 0) + break; + nShift -= 6; + } + if (bUTF8 && rtl::isUnicodeScalarValue(nEncoded) + && nEncoded >= nMin) + { + rBegin = p; + nUTF32 = nEncoded; + rEscapeType = EscapeType::Utf32; + break; + } + } + rEscapeType = EscapeType::Octet; + } + break; + } + } + else + rEscapeType = EscapeType::NONE; + break; + } + + case EncodeMechanism::NotCanonical: + { + int nWeight1; + int nWeight2; + if (nUTF32 == static_cast<unsigned char>('%') && rBegin + 1 < pEnd + && ((nWeight1 = INetMIME::getHexWeight(rBegin[0])) >= 0) + && ((nWeight2 = INetMIME::getHexWeight(rBegin[1])) >= 0)) + { + rBegin += 2; + nUTF32 = nWeight1 << 4 | nWeight2; + rEscapeType = EscapeType::Octet; + } + else + rEscapeType = EscapeType::NONE; + break; + } + } + return nUTF32; +} + +// static +sal_uInt32 INetURLObject::scanDomain(sal_Unicode const *& rBegin, + sal_Unicode const * pEnd, + bool bEager) +{ + enum State { STATE_DOT, STATE_LABEL, STATE_HYPHEN }; + State eState = STATE_DOT; + sal_Int32 nLabels = 0; + sal_Unicode const * pLastAlphanumeric = nullptr; + for (sal_Unicode const * p = rBegin;; ++p) + switch (eState) + { + case STATE_DOT: + if (p != pEnd && (rtl::isAsciiAlphanumeric(*p) || *p == '_')) + { + ++nLabels; + eState = STATE_LABEL; + break; + } + if (bEager || nLabels == 0) + return 0; + rBegin = p - 1; + return nLabels; + + case STATE_LABEL: + if (p != pEnd) + { + if (rtl::isAsciiAlphanumeric(*p) || *p == '_') + break; + else if (*p == '.') + { + eState = STATE_DOT; + break; + } + else if (*p == '-') + { + pLastAlphanumeric = p; + eState = STATE_HYPHEN; + break; + } + } + rBegin = p; + return nLabels; + + case STATE_HYPHEN: + if (p != pEnd) + { + if (rtl::isAsciiAlphanumeric(*p) || *p == '_') + { + eState = STATE_LABEL; + break; + } + else if (*p == '-') + break; + } + if (bEager) + return 0; + rBegin = pLastAlphanumeric; + return nLabels; + } +} + +// static +bool INetURLObject::scanIPv6reference(sal_Unicode const *& rBegin, + sal_Unicode const * pEnd) +{ + if (rBegin != pEnd && *rBegin == '[') { + sal_Unicode const * p = rBegin + 1; + //TODO: check for valid IPv6address (RFC 2373): + while (p != pEnd && (rtl::isAsciiHexDigit(*p) || *p == ':' || *p == '.')) + { + ++p; + } + if (p != pEnd && *p == ']') { + rBegin = p + 1; + return true; + } + } + return false; +} + +OUString INetURLObject::GetPartBeforeLastName() + const +{ + if (!checkHierarchical()) + return OUString(); + INetURLObject aTemp(*this); + aTemp.clearFragment(); + aTemp.clearQuery(); + aTemp.removeSegment(LAST_SEGMENT, false); + aTemp.setFinalSlash(); + return aTemp.GetMainURL(DecodeMechanism::ToIUri); +} + +OUString INetURLObject::GetLastName(DecodeMechanism eMechanism, + rtl_TextEncoding eCharset) const +{ + return getName(LAST_SEGMENT, true, eMechanism, eCharset); +} + +OUString INetURLObject::GetFileExtension() const +{ + return getExtension(LAST_SEGMENT, false); +} + +void INetURLObject::CutLastName() +{ + INetURLObject aTemp(*this); + aTemp.clearFragment(); + aTemp.clearQuery(); + if (!aTemp.removeSegment(LAST_SEGMENT, false)) + return; + *this = aTemp; +} + +OUString INetURLObject::PathToFileName() const +{ + if (m_eScheme != INetProtocol::File) + return OUString(); + OUString aSystemPath; + if (osl::FileBase::getSystemPathFromFileURL( + decode(m_aAbsURIRef.getStr(), + m_aAbsURIRef.getStr() + m_aPath.getEnd(), + DecodeMechanism::NONE, RTL_TEXTENCODING_UTF8), + aSystemPath) + != osl::FileBase::E_None) + return OUString(); + return aSystemPath; +} + +OUString INetURLObject::GetFull() const +{ + INetURLObject aTemp(*this); + aTemp.removeFinalSlash(); + return aTemp.PathToFileName(); +} + +OUString INetURLObject::GetPath() const +{ + INetURLObject aTemp(*this); + aTemp.removeSegment(); + aTemp.removeFinalSlash(); + return aTemp.PathToFileName(); +} + +void INetURLObject::SetBase(std::u16string_view rTheBase) +{ + setBase(rTheBase, LAST_SEGMENT, EncodeMechanism::All); +} + +OUString INetURLObject::GetBase() const +{ + return getBase(LAST_SEGMENT, true, DecodeMechanism::WithCharset); +} + +void INetURLObject::SetExtension(std::u16string_view rTheExtension) +{ + setExtension(rTheExtension, LAST_SEGMENT, false); +} + +OUString INetURLObject::CutExtension() +{ + OUString aTheExtension(getExtension(LAST_SEGMENT, false)); + return removeExtension(LAST_SEGMENT, false) + ? aTheExtension : OUString(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |