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https://github.com/oxen-io/lokinet.git
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273270916e
This commit reflects changes to clang-format rules. Unfortunately, these rule changes create a massive change to the codebase, which causes an apparent rewrite of git history. Git blame's --ignore-rev flag can be used to ignore this commit when attempting to `git blame` some code.
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include <service/address.hpp>
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#include <crypto/crypto.hpp>
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#include <algorithm>
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namespace llarp
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{
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namespace service
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{
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const std::set<std::string> Address::AllowedTLDs = {".loki", ".snode"};
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bool
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Address::PermitTLD(const char* tld)
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{
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std::string gtld(tld);
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std::transform(gtld.begin(), gtld.end(), gtld.begin(), ::tolower);
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return AllowedTLDs.count(gtld) != 0;
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}
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std::string
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Address::ToString(const char* tld) const
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{
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if (!PermitTLD(tld))
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return "";
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char tmp[(1 + 32) * 2] = {0};
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std::string str = Base32Encode(*this, tmp);
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if (subdomain.size())
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str = subdomain + "." + str;
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return str + tld;
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}
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bool
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Address::FromString(const std::string& str, const char* tld)
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{
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if (!PermitTLD(tld))
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return false;
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static auto lowercase = [](const std::string s, bool stripDots) -> std::string {
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std::string ret(s.size(), ' ');
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std::transform(s.begin(), s.end(), ret.begin(), [stripDots](const char& ch) -> char {
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if (ch == '.' && stripDots)
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return ' ';
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return ::tolower(ch);
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});
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return ret.substr(0, ret.find_last_of(' '));
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};
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const auto pos = str.find_last_of('.');
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if (pos == std::string::npos)
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return false;
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if (str.substr(pos) != tld)
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return false;
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auto sub = str.substr(0, pos);
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// set subdomains if they are there
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const auto idx = sub.find_last_of('.');
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if (idx != std::string::npos)
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{
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subdomain = lowercase(sub.substr(0, idx), false);
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sub = sub.substr(idx + 1);
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}
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// make sure it's lowercase
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return Base32Decode(lowercase(sub, true), *this);
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}
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dht::Key_t
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Address::ToKey() const
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{
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PubKey k;
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CryptoManager::instance()->derive_subkey(k, PubKey(data()), 1);
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return dht::Key_t{k.as_array()};
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}
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} // namespace service
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} // namespace llarp
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