| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2025 Vinnie Falco (vinnie dot falco at gmail dot 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/beast2 | ||
| 8 | // | ||
| 9 | |||
| 10 | #include <boost/beast2/server/serve_static.hpp> | ||
| 11 | #include <boost/beast2/error.hpp> | ||
| 12 | #include <boost/http_proto/file_source.hpp> | ||
| 13 | #include <boost/url/grammar/ci_string.hpp> | ||
| 14 | #include <string> | ||
| 15 | |||
| 16 | namespace boost { | ||
| 17 | namespace beast2 { | ||
| 18 | |||
| 19 | //------------------------------------------------ | ||
| 20 | |||
| 21 | // Return a reasonable mime type based on the extension of a file. | ||
| 22 | static | ||
| 23 | core::string_view | ||
| 24 | ✗ | get_extension( | |
| 25 | core::string_view path) noexcept | ||
| 26 | { | ||
| 27 | ✗ | auto const pos = path.rfind("."); | |
| 28 | ✗ | if( pos == core::string_view::npos) | |
| 29 | ✗ | return core::string_view(); | |
| 30 | ✗ | return path.substr(pos); | |
| 31 | } | ||
| 32 | |||
| 33 | static | ||
| 34 | core::string_view | ||
| 35 | ✗ | mime_type( | |
| 36 | core::string_view path) | ||
| 37 | { | ||
| 38 | using urls::grammar::ci_is_equal; | ||
| 39 | ✗ | auto ext = get_extension(path); | |
| 40 | ✗ | if(ci_is_equal(ext, ".htm")) return "text/html"; | |
| 41 | ✗ | if(ci_is_equal(ext, ".html")) return "text/html"; | |
| 42 | ✗ | if(ci_is_equal(ext, ".php")) return "text/html"; | |
| 43 | ✗ | if(ci_is_equal(ext, ".css")) return "text/css"; | |
| 44 | ✗ | if(ci_is_equal(ext, ".txt")) return "text/plain"; | |
| 45 | ✗ | if(ci_is_equal(ext, ".js")) return "application/javascript"; | |
| 46 | ✗ | if(ci_is_equal(ext, ".json")) return "application/json"; | |
| 47 | ✗ | if(ci_is_equal(ext, ".xml")) return "application/xml"; | |
| 48 | ✗ | if(ci_is_equal(ext, ".swf")) return "application/x-shockwave-flash"; | |
| 49 | ✗ | if(ci_is_equal(ext, ".flv")) return "video/x-flv"; | |
| 50 | ✗ | if(ci_is_equal(ext, ".png")) return "image/png"; | |
| 51 | ✗ | if(ci_is_equal(ext, ".jpe")) return "image/jpeg"; | |
| 52 | ✗ | if(ci_is_equal(ext, ".jpeg")) return "image/jpeg"; | |
| 53 | ✗ | if(ci_is_equal(ext, ".jpg")) return "image/jpeg"; | |
| 54 | ✗ | if(ci_is_equal(ext, ".gif")) return "image/gif"; | |
| 55 | ✗ | if(ci_is_equal(ext, ".bmp")) return "image/bmp"; | |
| 56 | ✗ | if(ci_is_equal(ext, ".ico")) return "image/vnd.microsoft.icon"; | |
| 57 | ✗ | if(ci_is_equal(ext, ".tiff")) return "image/tiff"; | |
| 58 | ✗ | if(ci_is_equal(ext, ".tif")) return "image/tiff"; | |
| 59 | ✗ | if(ci_is_equal(ext, ".svg")) return "image/svg+xml"; | |
| 60 | ✗ | if(ci_is_equal(ext, ".svgz")) return "image/svg+xml"; | |
| 61 | ✗ | return "application/text"; | |
| 62 | } | ||
| 63 | |||
| 64 | #if 0 | ||
| 65 | // Append an HTTP rel-path to a local filesystem path. | ||
| 66 | // The returned path is normalized for the platform. | ||
| 67 | static | ||
| 68 | void | ||
| 69 | path_cat( | ||
| 70 | std::string& result, | ||
| 71 | core::string_view prefix, | ||
| 72 | urls::segments_view suffix) | ||
| 73 | { | ||
| 74 | result = prefix; | ||
| 75 | |||
| 76 | #ifdef BOOST_MSVC | ||
| 77 | char constexpr path_separator = '\\'; | ||
| 78 | #else | ||
| 79 | char constexpr path_separator = '/'; | ||
| 80 | #endif | ||
| 81 | if( result.back() == path_separator) | ||
| 82 | result.resize(result.size() - 1); // remove trailing | ||
| 83 | #ifdef BOOST_MSVC | ||
| 84 | for(auto& c : result) | ||
| 85 | if( c == '/') | ||
| 86 | c = path_separator; | ||
| 87 | #endif | ||
| 88 | for(auto const& seg : suffix) | ||
| 89 | { | ||
| 90 | result.push_back(path_separator); | ||
| 91 | result.append(seg); | ||
| 92 | } | ||
| 93 | } | ||
| 94 | #endif | ||
| 95 | |||
| 96 | // Append an HTTP rel-path to a local filesystem path. | ||
| 97 | // The returned path is normalized for the platform. | ||
| 98 | static | ||
| 99 | void | ||
| 100 | ✗ | path_cat( | |
| 101 | std::string& result, | ||
| 102 | core::string_view prefix, | ||
| 103 | core::string_view suffix) | ||
| 104 | { | ||
| 105 | ✗ | result = prefix; | |
| 106 | |||
| 107 | #ifdef BOOST_MSVC | ||
| 108 | char constexpr path_separator = '\\'; | ||
| 109 | #else | ||
| 110 | ✗ | char constexpr path_separator = '/'; | |
| 111 | #endif | ||
| 112 | ✗ | if( result.back() == path_separator) | |
| 113 | ✗ | result.resize(result.size() - 1); // remove trailing | |
| 114 | #ifdef BOOST_MSVC | ||
| 115 | for(auto& c : result) | ||
| 116 | if( c == '/') | ||
| 117 | c = path_separator; | ||
| 118 | #endif | ||
| 119 | ✗ | for(auto const& c : suffix) | |
| 120 | { | ||
| 121 | ✗ | if(c == '/') | |
| 122 | ✗ | result.push_back(path_separator); | |
| 123 | else | ||
| 124 | ✗ | result.push_back(c); | |
| 125 | } | ||
| 126 | ✗ | } | |
| 127 | |||
| 128 | //------------------------------------------------ | ||
| 129 | |||
| 130 | // serve-static | ||
| 131 | // | ||
| 132 | // https://www.npmjs.com/package/serve-static | ||
| 133 | |||
| 134 | struct serve_static::impl | ||
| 135 | { | ||
| 136 | ✗ | impl( | |
| 137 | core::string_view path_, | ||
| 138 | options const& opt_) | ||
| 139 | ✗ | : path(path_) | |
| 140 | ✗ | , opt(opt_) | |
| 141 | { | ||
| 142 | ✗ | } | |
| 143 | |||
| 144 | std::string path; | ||
| 145 | options opt; | ||
| 146 | }; | ||
| 147 | |||
| 148 | ✗ | serve_static:: | |
| 149 | ~serve_static() | ||
| 150 | { | ||
| 151 | ✗ | if(impl_) | |
| 152 | ✗ | delete impl_; | |
| 153 | ✗ | } | |
| 154 | |||
| 155 | ✗ | serve_static:: | |
| 156 | ✗ | serve_static(serve_static&& other) noexcept | |
| 157 | ✗ | : impl_(other.impl_) | |
| 158 | { | ||
| 159 | ✗ | other.impl_ = nullptr; | |
| 160 | ✗ | } | |
| 161 | |||
| 162 | ✗ | serve_static:: | |
| 163 | serve_static( | ||
| 164 | core::string_view path, | ||
| 165 | ✗ | options const& opt) | |
| 166 | ✗ | : impl_(new impl(path, opt)) | |
| 167 | { | ||
| 168 | ✗ | } | |
| 169 | |||
| 170 | auto | ||
| 171 | ✗ | serve_static:: | |
| 172 | operator()( | ||
| 173 | http::route_params& p) const -> | ||
| 174 | http::route_result | ||
| 175 | { | ||
| 176 | // Allow: GET, HEAD | ||
| 177 | ✗ | if( p.req.method() != http::method::get && | |
| 178 | ✗ | p.req.method() != http::method::head) | |
| 179 | { | ||
| 180 | ✗ | if(impl_->opt.fallthrough) | |
| 181 | ✗ | return http::route::next; | |
| 182 | |||
| 183 | ✗ | p.res.set_status( | |
| 184 | http::status::method_not_allowed); | ||
| 185 | ✗ | p.res.set(http::field::allow, "GET, HEAD"); | |
| 186 | ✗ | p.set_body(""); | |
| 187 | ✗ | return http::route::send; | |
| 188 | } | ||
| 189 | |||
| 190 | // Build the path to the requested file | ||
| 191 | ✗ | std::string path; | |
| 192 | ✗ | path_cat(path, impl_->path, p.path); | |
| 193 | ✗ | if(p.parser.get().target().back() == '/') | |
| 194 | { | ||
| 195 | ✗ | path.push_back('/'); | |
| 196 | ✗ | path.append("index.html"); | |
| 197 | } | ||
| 198 | |||
| 199 | // Attempt to open the file | ||
| 200 | ✗ | system::error_code ec; | |
| 201 | ✗ | capy::file f; | |
| 202 | ✗ | std::uint64_t size = 0; | |
| 203 | ✗ | f.open(path.c_str(), capy::file_mode::scan, ec); | |
| 204 | ✗ | if(! ec.failed()) | |
| 205 | ✗ | size = f.size(ec); | |
| 206 | ✗ | if(! ec.failed()) | |
| 207 | { | ||
| 208 | ✗ | p.res.set_start_line( | |
| 209 | http::status::ok, | ||
| 210 | p.req.version()); | ||
| 211 | ✗ | p.res.set_payload_size(size); | |
| 212 | |||
| 213 | ✗ | auto mt = mime_type(get_extension(path)); | |
| 214 | ✗ | p.res.append( | |
| 215 | http::field::content_type, mt); | ||
| 216 | |||
| 217 | // send file | ||
| 218 | ✗ | p.serializer.start<http::file_source>( | |
| 219 | ✗ | p.res, std::move(f), size); | |
| 220 | ✗ | return http::route::send; | |
| 221 | } | ||
| 222 | |||
| 223 | ✗ | if( ec == system::errc::no_such_file_or_directory && | |
| 224 | ✗ | ! impl_->opt.fallthrough) | |
| 225 | ✗ | return http::route::next; | |
| 226 | |||
| 227 | ✗ | BOOST_ASSERT(ec.failed()); | |
| 228 | ✗ | return ec; | |
| 229 | ✗ | } | |
| 230 | |||
| 231 | } // beast2 | ||
| 232 | } // boost | ||
| 233 | |||
| 234 |