105 lines
3.1 KiB
C++
105 lines
3.1 KiB
C++
// This file Copyright © 2021-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#include <optional>
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#include <string>
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#include <string_view>
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#include "tr-macros.h" // tr_sha1_digest_t
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struct evbuffer;
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/** @brief convenience function to determine if an address is an IP address (IPv4 or IPv6) */
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bool tr_addressIsIP(char const* address);
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/** @brief return true if the url is a http or https or UDP url that Transmission understands */
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bool tr_urlIsValidTracker(std::string_view url);
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/** @brief return true if the url is a [ http, https, ftp, sftp ] url that Transmission understands */
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bool tr_urlIsValid(std::string_view url);
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struct tr_url_parsed_t
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{
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// http://example.com:80/over/there?name=ferret#nose
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std::string_view scheme; // "http"
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std::string_view authority; // "example.com:80"
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std::string_view host; // "example.com"
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std::string_view sitename; // "example"
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std::string_view portstr; // "80"
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std::string_view path; // /"over/there"
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std::string_view query; // "name=ferret"
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std::string_view fragment; // "nose"
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std::string_view full; // "http://example.com:80/over/there?name=ferret#nose"
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int port = -1; // 80
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};
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std::optional<tr_url_parsed_t> tr_urlParse(std::string_view url);
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// like tr_urlParse(), but with the added constraint that 'scheme'
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// must be one we that Transmission supports for announce and scrape
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std::optional<tr_url_parsed_t> tr_urlParseTracker(std::string_view url);
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// example use: `for (auto const [key, val] : tr_url_query_view{ querystr })`
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struct tr_url_query_view
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{
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std::string_view const query;
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explicit tr_url_query_view(std::string_view query_in)
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: query{ query_in }
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{
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}
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struct iterator
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{
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std::pair<std::string_view, std::string_view> keyval = std::make_pair(std::string_view{ "" }, std::string_view{ "" });
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std::string_view remain = std::string_view{ "" };
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iterator& operator++();
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constexpr auto const& operator*() const
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{
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return keyval;
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}
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constexpr auto const* operator->() const
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{
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return &keyval;
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}
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constexpr bool operator==(iterator const& that) const
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{
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return this->remain == that.remain && this->keyval == that.keyval;
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}
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constexpr bool operator!=(iterator const& that) const
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{
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return !(*this == that);
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}
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};
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iterator begin() const;
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constexpr iterator end() const
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{
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return iterator{};
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}
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};
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void tr_http_escape(std::string& appendme, std::string_view str, bool escape_reserved);
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// TODO: remove evbuffer version
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void tr_http_escape(struct evbuffer* out, std::string_view str, bool escape_reserved);
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void tr_http_escape_sha1(char* out, uint8_t const* sha1_digest);
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void tr_http_escape_sha1(char* out, tr_sha1_digest_t const& digest);
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char const* tr_webGetResponseStr(long response_code);
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std::string tr_urlPercentDecode(std::string_view);
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