Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 328 insertions, 0 deletions

diff --git a/ucb/source/ucp/webdav-curl/CurlUri.cxx b/ucb/source/ucp/webdav-curl/CurlUri.cxx
new file mode 100644
index 000000000..4dba6ac22
--- /dev/null
+++ b/ucb/source/ucp/webdav-curl/CurlUri.cxx
@@ -0,0 +1,328 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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 "CurlUri.hxx"
+
+#include <sal/log.hxx>
+#include <rtl/uri.hxx>
+#include <rtl/ustrbuf.hxx>
+
+#include <optional>
+
+namespace http_dav_ucp
+{
+const auto DEFAULT_HTTP_PORT = 80;
+const auto DEFAULT_HTTPS_PORT = 443;
+
+static ::std::optional<OUString> GetURLComponent(CURLU& rURI, CURLUPart const what,
+                                                 CURLUcode const expected,
+                                                 unsigned int const flags = 0)
+{
+    char* pPart(nullptr);
+    auto uc = curl_url_get(&rURI, what, &pPart, flags);
+    if (expected != CURLUE_OK && uc == expected)
+    {
+        return ::std::optional<OUString>();
+    }
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_get failed: " << what << " " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+    assert(pPart);
+    CurlUniquePtr<char> pPart2(pPart);
+    return ::rtl::OStringToOUString(pPart, RTL_TEXTENCODING_UTF8);
+}
+
+void CurlUri::Init()
+{
+    // looks like the result should be the same as the old calculateURI()
+    auto const oURI(GetURLComponent(*m_pUrl, CURLUPART_URL, CURLUE_OK, CURLU_NO_DEFAULT_PORT));
+    assert(oURI);
+    m_URI = *oURI;
+
+    auto const oScheme(GetURLComponent(*m_pUrl, CURLUPART_SCHEME, CURLUE_NO_SCHEME));
+    if (oScheme)
+    {
+        m_Scheme = *oScheme;
+    }
+    auto const oUser(GetURLComponent(*m_pUrl, CURLUPART_USER, CURLUE_NO_USER));
+    if (oUser)
+    {
+        m_User = *oUser;
+    }
+    auto const oPassWord(GetURLComponent(*m_pUrl, CURLUPART_PASSWORD, CURLUE_NO_PASSWORD));
+    if (oPassWord)
+    {
+        m_Password = *oPassWord;
+    }
+    auto const oHost(GetURLComponent(*m_pUrl, CURLUPART_HOST, CURLUE_NO_HOST));
+    if (oHost)
+    {
+        m_Host = *oHost;
+    }
+    // DAV schemes always have port but Content::transfer() is called with
+    // arbitrary URLs so use CURLUE_NO_PORT
+    auto const oPort(GetURLComponent(*m_pUrl, CURLUPART_PORT, CURLUE_NO_PORT, CURLU_DEFAULT_PORT));
+    if (oPort)
+    {
+        m_nPort = oPort->toInt32();
+    }
+
+    auto const oPath(GetURLComponent(*m_pUrl, CURLUPART_PATH, CURLUE_OK));
+    assert(oPath);
+    m_Path = *oPath;
+
+    // note: this used to be added to m_Path because before 2007, ne_uri path contained query/fragment as well :-/
+    auto const oQuery(GetURLComponent(*m_pUrl, CURLUPART_QUERY, CURLUE_NO_QUERY));
+    if (oQuery)
+    {
+        m_QueryAndFragment += "?" + *oQuery;
+    }
+    auto const oFragment(GetURLComponent(*m_pUrl, CURLUPART_FRAGMENT, CURLUE_NO_FRAGMENT));
+    if (oFragment)
+    {
+        m_QueryAndFragment += "#" + *oFragment;
+    }
+}
+
+CurlUri::CurlUri(::std::u16string_view const rURI)
+{
+    // note: in the old implementation, the rURI would be URI-encoded again
+    // here, apparently because it could actually be an IRI (RFC 3987) and
+    // neon didn't support that - not clear if this is a good idea
+
+    m_pUrl.reset(curl_url());
+    if (!m_pUrl)
+    {
+        throw ::std::bad_alloc();
+    }
+
+    // use curl to parse the URI, to get a consistent interpretation
+    OString const utf8URI(OUStringToOString(rURI, RTL_TEXTENCODING_UTF8));
+    auto uc = curl_url_set(m_pUrl.get(), CURLUPART_URL, utf8URI.getStr(), 0);
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_set failed: " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+
+    Init();
+}
+
+CurlUri::CurlUri(CURLU /*const*/& rUrl)
+    : m_pUrl(curl_url_dup(&rUrl))
+{
+    if (!m_pUrl)
+    {
+        throw ::std::bad_alloc();
+    }
+
+    Init();
+}
+
+CurlUri::CurlUri(CurlUri const& rOther)
+    : m_pUrl(curl_url_dup(rOther.m_pUrl.get()))
+    , m_URI(rOther.m_URI)
+    , m_Scheme(rOther.m_Scheme)
+    , m_User(rOther.m_User)
+    , m_Password(rOther.m_Password)
+    , m_Host(rOther.m_Host)
+    , m_nPort(rOther.m_nPort)
+    , m_Path(rOther.m_Path)
+    , m_QueryAndFragment(rOther.m_QueryAndFragment)
+{
+    assert(rOther.m_pUrl);
+    if (!m_pUrl)
+    {
+        throw ::std::bad_alloc();
+    }
+}
+
+void CurlUri::operator=(CurlUri const& rOther)
+{
+    assert(rOther.m_pUrl);
+    m_pUrl.reset(curl_url_dup(rOther.m_pUrl.get()));
+    if (!m_pUrl)
+    {
+        throw ::std::bad_alloc();
+    }
+    m_URI = rOther.m_URI;
+    m_Scheme = rOther.m_Scheme;
+    m_User = rOther.m_User;
+    m_Password = rOther.m_Password;
+    m_Host = rOther.m_Host;
+    m_nPort = rOther.m_nPort;
+    m_Path = rOther.m_Path;
+    m_QueryAndFragment = rOther.m_QueryAndFragment;
+}
+
+bool CurlUri::operator==(CurlUri const& rOther) const { return m_URI == rOther.m_URI; }
+
+OUString CurlUri::GetPathBaseName() const
+{
+    sal_Int32 nPos = m_Path.lastIndexOf('/');
+    sal_Int32 nTrail = 0;
+    if (nPos == m_Path.getLength() - 1)
+    {
+        // Trailing slash found. Skip.
+        nTrail = 1;
+        nPos = m_Path.lastIndexOf('/', nPos);
+    }
+    if (nPos == -1)
+    {
+        return "/";
+    }
+    return m_Path.copy(nPos + 1, m_Path.getLength() - nPos - 1 - nTrail);
+}
+
+OUString CurlUri::GetPathBaseNameUnescaped() const { return DecodeURI(GetPathBaseName()); }
+
+void CurlUri::SetScheme(::std::u16string_view const rScheme)
+{
+    OString const utf8URI(OUStringToOString(rScheme, RTL_TEXTENCODING_UTF8));
+    auto uc = curl_url_set(m_pUrl.get(), CURLUPART_SCHEME, utf8URI.getStr(), 0);
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_set failed: " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+    auto const oURI(GetURLComponent(*m_pUrl, CURLUPART_URL, CURLUE_OK, CURLU_NO_DEFAULT_PORT));
+    assert(oURI);
+    m_URI = *oURI;
+    auto const oScheme(GetURLComponent(*m_pUrl, CURLUPART_SCHEME, CURLUE_NO_SCHEME));
+    if (oScheme)
+    {
+        m_Scheme = *oScheme;
+    }
+}
+
+void CurlUri::AppendPath(::std::u16string_view const rPath)
+{
+    OUStringBuffer path(m_Path);
+    if (path.lastIndexOf('/') != path.getLength() - 1)
+    {
+        path.append("/");
+    }
+    path.append(rPath);
+    OString const utf8Path(OUStringToOString(path.makeStringAndClear(), RTL_TEXTENCODING_UTF8));
+    auto uc = curl_url_set(m_pUrl.get(), CURLUPART_PATH, utf8Path.getStr(), 0);
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_set failed: " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+    auto const oURI(GetURLComponent(*m_pUrl, CURLUPART_URL, CURLUE_OK, CURLU_NO_DEFAULT_PORT));
+    assert(oURI);
+    m_URI = *oURI;
+    auto const oPath(GetURLComponent(*m_pUrl, CURLUPART_PATH, CURLUE_OK));
+    assert(oPath);
+    m_Path = *oPath;
+}
+
+CurlUri CurlUri::CloneWithRelativeRefPathAbsolute(OUString const& rRelativeRef) const
+{
+    ::std::unique_ptr<CURLU, deleter_from_fn<CURLU, curl_url_cleanup>> pUrl(
+        curl_url_dup(m_pUrl.get()));
+    sal_Int32 indexEnd(rRelativeRef.getLength());
+    auto const indexQuery(rRelativeRef.indexOf('?'));
+    auto const indexFragment(rRelativeRef.indexOf('#'));
+    CURLUcode uc;
+    if (indexFragment != -1)
+    {
+        std::u16string_view const fragment(rRelativeRef.subView(indexFragment + 1));
+        indexEnd = indexFragment;
+        OString const utf8Fragment(OUStringToOString(fragment, RTL_TEXTENCODING_UTF8));
+        uc = curl_url_set(pUrl.get(), CURLUPART_FRAGMENT, utf8Fragment.getStr(), 0);
+    }
+    else
+    {
+        uc = curl_url_set(pUrl.get(), CURLUPART_FRAGMENT, nullptr, 0);
+    }
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_set failed: " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+    if (indexQuery != -1 && (indexFragment == -1 || indexQuery < indexFragment))
+    {
+        std::u16string_view const query(
+            rRelativeRef.subView(indexQuery + 1, indexEnd - indexQuery - 1));
+        indexEnd = indexQuery;
+        OString const utf8Query(OUStringToOString(query, RTL_TEXTENCODING_UTF8));
+        uc = curl_url_set(pUrl.get(), CURLUPART_QUERY, utf8Query.getStr(), 0);
+    }
+    else
+    {
+        uc = curl_url_set(pUrl.get(), CURLUPART_QUERY, nullptr, 0);
+    }
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_set failed: " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+    std::u16string_view const path(rRelativeRef.subView(0, indexEnd));
+    OString const utf8Path(OUStringToOString(path, RTL_TEXTENCODING_UTF8));
+    uc = curl_url_set(pUrl.get(), CURLUPART_PATH, utf8Path.getStr(), 0);
+    if (uc != CURLUE_OK)
+    {
+        SAL_WARN("ucb.ucp.webdav.curl", "curl_url_set failed: " << uc);
+        throw DAVException(DAVException::DAV_INVALID_ARG);
+    }
+    return CurlUri(*pUrl.release());
+}
+
+OUString EncodeSegment(OUString const& rSegment)
+{
+    return rtl::Uri::encode(rSegment, rtl_UriCharClassPchar, rtl_UriEncodeIgnoreEscapes,
+                            RTL_TEXTENCODING_UTF8);
+}
+
+OUString DecodeURI(OUString const& rURI)
+{
+    return rtl::Uri::decode(rURI, rtl_UriDecodeWithCharset, RTL_TEXTENCODING_UTF8);
+}
+
+OUString ConnectionEndPointString(std::u16string_view rHostName, sal_uInt16 const nPort)
+{
+    OUStringBuffer aBuf;
+
+    // Is host a numeric IPv6 address?
+    if ((rHostName.find(':') != std::u16string_view::npos) && (rHostName[0] != '['))
+    {
+        aBuf.append("[");
+        aBuf.append(rHostName);
+        aBuf.append("]");
+    }
+    else
+    {
+        aBuf.append(rHostName);
+    }
+
+    if ((nPort != DEFAULT_HTTP_PORT) && (nPort != DEFAULT_HTTPS_PORT))
+    {
+        aBuf.append(":");
+        aBuf.append(sal_Int32(nPort));
+    }
+    return aBuf.makeStringAndClear();
+}
+
+} // namespace http_dav_ucp
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */