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76 lines
2.5 KiB
C++
76 lines
2.5 KiB
C++
3 years ago
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/**
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* Copyright (c) 2021, Timothy Stack
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*
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* All rights reserved.
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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 are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "humanize.network.hh"
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#include "pcrepp/pcrepp.hh"
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#include "fmt/format.h"
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namespace humanize {
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namespace network {
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nonstd::optional<remote_path> remote_path::from_str(const char *str)
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{
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static const pcrepp REMOTE_PATTERN(
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"(?:(?<username>[^@]+)@)?(?<hostname>[^:]+):(?<path>.*)");
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pcre_context_static<30> pc;
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pcre_input pi(str);
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if (!REMOTE_PATTERN.match(pc, pi)) {
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return nonstd::nullopt;
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}
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const auto username = pi.get_substr_opt(pc["username"]);
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const auto hostname = pi.get_substr(pc["hostname"]);
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auto path = pi.get_substr(pc["path"]);
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if (path.empty()) {
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path = ".";
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}
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return remote_path {
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username,
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hostname,
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path,
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};
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}
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std::string to_netloc(const nonstd::optional<std::string>& username,
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std::string hostname)
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{
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return fmt::format("{}{}{}",
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username.value_or(std::string()),
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username ? "@" : "",
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hostname);
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}
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}
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}
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