ab9f5d2067
The former was deprecated with C++14. According to the C++11 and C++17 standards, both files are identical. Signed-off-by: Rosen Penev <rosenp@gmail.com>
107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
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* Copyright 2008-2019 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "UriUtil.hxx"
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#include "ASCII.hxx"
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#include <cassert>
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#include <string.h>
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static const char *
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verify_uri_segment(const char *p) noexcept
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{
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unsigned dots = 0;
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while (*p == '.') {
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++p;
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++dots;
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}
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if (dots <= 2 && (*p == 0 || *p == '/'))
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return nullptr;
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const char *q = strchr(p + 1, '/');
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return q != nullptr ? q : "";
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}
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bool
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uri_safe_local(const char *uri) noexcept
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{
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while (true) {
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uri = verify_uri_segment(uri);
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if (uri == nullptr)
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return false;
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if (*uri == 0)
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return true;
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assert(*uri == '/');
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++uri;
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}
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}
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gcc_pure
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static const char *
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SkipUriScheme(const char *uri) noexcept
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{
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const char *const schemes[] = { "http://", "https://", "ftp://" };
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for (auto scheme : schemes) {
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auto result = StringAfterPrefixCaseASCII(uri, scheme);
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if (result != nullptr)
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return result;
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}
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return nullptr;
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}
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std::string
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uri_remove_auth(const char *uri) noexcept
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{
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const char *auth = SkipUriScheme(uri);
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if (auth == nullptr)
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/* unrecognized URI */
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return std::string();
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const char *slash = strchr(auth, '/');
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if (slash == nullptr)
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slash = auth + strlen(auth);
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const char *at = (const char *)memchr(auth, '@', slash - auth);
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if (at == nullptr)
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/* no auth info present, do nothing */
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return std::string();
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/* duplicate the full URI and then delete the auth
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information */
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std::string result(uri);
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result.erase(auth - uri, at + 1 - auth);
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return result;
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}
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