libs/http/src/server/router_types.cpp
55.6% Lines (25/45)
60.0% Functions (6/10)
50.0% Branches (11/22)
libs/http/src/server/router_types.cpp
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|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2025 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // | ||
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 6 | // | ||
| 7 | // Official repository: https://github.com/cppalliance/http | ||
| 8 | // | ||
| 9 | |||
| 10 | #include <boost/http/server/route_handler.hpp> | ||
| 11 | #include <boost/http/server/etag.hpp> | ||
| 12 | #include <boost/http/server/fresh.hpp> | ||
| 13 | #include <boost/http/detail/except.hpp> | ||
| 14 | #include <boost/url/grammar/ci_string.hpp> | ||
| 15 | #include <boost/capy/buffers/make_buffer.hpp> | ||
| 16 | #include <boost/assert.hpp> | ||
| 17 | #include <cstring> | ||
| 18 | |||
| 19 | namespace boost { | ||
| 20 | namespace system { | ||
| 21 | template<> | ||
| 22 | struct is_error_code_enum< | ||
| 23 | ::boost::http::route_what> | ||
| 24 | { | ||
| 25 | static bool const value = true; | ||
| 26 | }; | ||
| 27 | } // system | ||
| 28 | } // boost | ||
| 29 | |||
| 30 | namespace boost { | ||
| 31 | namespace http { | ||
| 32 | |||
| 33 | namespace { | ||
| 34 | |||
| 35 | struct route_what_cat_type | ||
| 36 | : system::error_category | ||
| 37 | { | ||
| 38 | constexpr route_what_cat_type() | ||
| 39 | : error_category(0x7a8b3c4d5e6f1029) | ||
| 40 | { | ||
| 41 | } | ||
| 42 | |||
| 43 | ✗ | const char* name() const noexcept override | |
| 44 | { | ||
| 45 | ✗ | return "boost.http.route_what"; | |
| 46 | } | ||
| 47 | |||
| 48 | ✗ | std::string message(int code) const override | |
| 49 | { | ||
| 50 | ✗ | return message(code, nullptr, 0); | |
| 51 | } | ||
| 52 | |||
| 53 | ✗ | char const* message( | |
| 54 | int code, | ||
| 55 | char*, | ||
| 56 | std::size_t) const noexcept override | ||
| 57 | { | ||
| 58 | ✗ | switch(static_cast<route_what>(code)) | |
| 59 | { | ||
| 60 | ✗ | case route_what::done: return "done"; | |
| 61 | ✗ | case route_what::error: return "error"; | |
| 62 | ✗ | case route_what::next: return "next"; | |
| 63 | ✗ | case route_what::next_route: return "next_route"; | |
| 64 | ✗ | case route_what::close: return "close"; | |
| 65 | ✗ | default: | |
| 66 | ✗ | return "?"; | |
| 67 | } | ||
| 68 | } | ||
| 69 | }; | ||
| 70 | |||
| 71 | route_what_cat_type route_what_cat; | ||
| 72 | |||
| 73 | } // (anon) | ||
| 74 | |||
| 75 | system::error_code | ||
| 76 | 334 | make_error_code( | |
| 77 | route_what w) noexcept | ||
| 78 | { | ||
| 79 | return system::error_code{ | ||
| 80 | 334 | static_cast<int>(w), route_what_cat}; | |
| 81 | } | ||
| 82 | |||
| 83 | //---------------------------------------------------------- | ||
| 84 | |||
| 85 | 45 | route_result:: | |
| 86 | route_result( | ||
| 87 | 45 | system::error_code ec) | |
| 88 | 45 | : ec_(ec) | |
| 89 | { | ||
| 90 |
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45 | if(! ec.failed()) |
| 91 | ✗ | detail::throw_invalid_argument(); | |
| 92 | 45 | } | |
| 93 | |||
| 94 | void | ||
| 95 | 244 | route_result:: | |
| 96 | set(route_what w) | ||
| 97 | { | ||
| 98 | 244 | ec_ = make_error_code(w); | |
| 99 | 244 | } | |
| 100 | |||
| 101 | auto | ||
| 102 | 910 | route_result:: | |
| 103 | what() const noexcept -> | ||
| 104 | route_what | ||
| 105 | { | ||
| 106 |
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910 | if(! ec_.failed()) |
| 107 | 686 | return route_what::done; | |
| 108 |
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224 | if(&ec_.category() != &route_what_cat) |
| 109 | 147 | return route_what::error; | |
| 110 |
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77 | if( ec_ == route_what::next) |
| 111 | 64 | return route_what::next; | |
| 112 |
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13 | if( ec_ == route_what::next_route) |
| 113 | 7 | return route_what::next_route; | |
| 114 | //if( ec_ == route_what::close) | ||
| 115 | 6 | return route_what::close; | |
| 116 | } | ||
| 117 | |||
| 118 | auto | ||
| 119 | 20 | route_result:: | |
| 120 | error() const noexcept -> | ||
| 121 | system::error_code | ||
| 122 | { | ||
| 123 |
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20 | if(&ec_.category() != &route_what_cat) |
| 124 | 20 | return ec_; | |
| 125 | ✗ | return {}; | |
| 126 | } | ||
| 127 | |||
| 128 | //------------------------------------------------ | ||
| 129 | |||
| 130 | bool | ||
| 131 | ✗ | route_params:: | |
| 132 | is_method( | ||
| 133 | core::string_view s) const noexcept | ||
| 134 | { | ||
| 135 | ✗ | auto m = http::string_to_method(s); | |
| 136 | ✗ | if(m != http::method::unknown) | |
| 137 | ✗ | return priv_.verb_ == m; | |
| 138 | ✗ | return s == priv_.verb_str_; | |
| 139 | } | ||
| 140 | |||
| 141 | //------------------------------------------------ | ||
| 142 | |||
| 143 | capy::io_task<> | ||
| 144 |
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108 | route_params:: |
| 145 | send(std::string_view body) | ||
| 146 | { | ||
| 147 | auto const sc = res.status(); | ||
| 148 | |||
| 149 | // 204 No Content / 304 Not Modified: strip headers, no body | ||
| 150 | if(sc == status::no_content || | ||
| 151 | sc == status::not_modified) | ||
| 152 | { | ||
| 153 | res.erase(field::content_type); | ||
| 154 | res.erase(field::content_length); | ||
| 155 | res.erase(field::transfer_encoding); | ||
| 156 | co_return co_await res_body.write_eof(); | ||
| 157 | } | ||
| 158 | |||
| 159 | // 205 Reset Content: Content-Length=0, no body | ||
| 160 | if(sc == status::reset_content) | ||
| 161 | { | ||
| 162 | res.erase(field::transfer_encoding); | ||
| 163 | res.set_payload_size(0); | ||
| 164 | co_return co_await res_body.write_eof(); | ||
| 165 | } | ||
| 166 | |||
| 167 | // Set Content-Type if not already set | ||
| 168 | if(! res.exists(field::content_type)) | ||
| 169 | { | ||
| 170 | if(! body.empty() && body[0] == '<') | ||
| 171 | res.set(field::content_type, | ||
| 172 | "text/html; charset=utf-8"); | ||
| 173 | else | ||
| 174 | res.set(field::content_type, | ||
| 175 | "text/plain; charset=utf-8"); | ||
| 176 | } | ||
| 177 | |||
| 178 | // Generate ETag if not already set | ||
| 179 | if(! res.exists(field::etag)) | ||
| 180 | res.set(field::etag, etag(body)); | ||
| 181 | |||
| 182 | // Set Content-Length if not already set | ||
| 183 | if(! res.exists(field::content_length)) | ||
| 184 | res.set_payload_size(body.size()); | ||
| 185 | |||
| 186 | // Freshness check: auto-304 for conditional GET | ||
| 187 | if(is_fresh(req, res)) | ||
| 188 | { | ||
| 189 | res.set_status(status::not_modified); | ||
| 190 | res.erase(field::content_type); | ||
| 191 | res.erase(field::content_length); | ||
| 192 | res.erase(field::transfer_encoding); | ||
| 193 | co_return co_await res_body.write_eof(); | ||
| 194 | } | ||
| 195 | |||
| 196 | // HEAD: send headers only, skip body | ||
| 197 | if(req.method() == method::head) | ||
| 198 | { | ||
| 199 | co_return co_await res_body.write_eof(); | ||
| 200 | } | ||
| 201 | |||
| 202 | auto [ec, n] = co_await res_body.write_eof( | ||
| 203 | capy::make_buffer(body)); | ||
| 204 | co_return {ec}; | ||
| 205 | 216 | } | |
| 206 | |||
| 207 | } // http | ||
| 208 | } // boost | ||
| 209 |