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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/asio/example/cpp11/http/server/request_handler.cpp
5 // Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
11 #include "request_handler.hpp"
15 #include "mime_types.hpp"
17 #include "request.hpp"
22 request_handler::request_handler(const std::string
& doc_root
)
27 void request_handler::handle_request(const request
& req
, reply
& rep
)
29 // Decode url to path.
30 std::string request_path
;
31 if (!url_decode(req
.uri
, request_path
))
33 rep
= reply::stock_reply(reply::bad_request
);
37 // Request path must be absolute and not contain "..".
38 if (request_path
.empty() || request_path
[0] != '/'
39 || request_path
.find("..") != std::string::npos
)
41 rep
= reply::stock_reply(reply::bad_request
);
45 // If path ends in slash (i.e. is a directory) then add "index.html".
46 if (request_path
[request_path
.size() - 1] == '/')
48 request_path
+= "index.html";
51 // Determine the file extension.
52 std::size_t last_slash_pos
= request_path
.find_last_of("/");
53 std::size_t last_dot_pos
= request_path
.find_last_of(".");
54 std::string extension
;
55 if (last_dot_pos
!= std::string::npos
&& last_dot_pos
> last_slash_pos
)
57 extension
= request_path
.substr(last_dot_pos
+ 1);
60 // Open the file to send back.
61 std::string full_path
= doc_root_
+ request_path
;
62 std::ifstream
is(full_path
.c_str(), std::ios::in
| std::ios::binary
);
65 rep
= reply::stock_reply(reply::not_found
);
69 // Fill out the reply to be sent to the client.
70 rep
.status
= reply::ok
;
72 while (is
.read(buf
, sizeof(buf
)).gcount() > 0)
73 rep
.content
.append(buf
, is
.gcount());
74 rep
.headers
.resize(2);
75 rep
.headers
[0].name
= "Content-Length";
76 rep
.headers
[0].value
= std::to_string(rep
.content
.size());
77 rep
.headers
[1].name
= "Content-Type";
78 rep
.headers
[1].value
= mime_types::extension_to_type(extension
);
81 bool request_handler::url_decode(const std::string
& in
, std::string
& out
)
84 out
.reserve(in
.size());
85 for (std::size_t i
= 0; i
< in
.size(); ++i
)
89 if (i
+ 3 <= in
.size())
92 std::istringstream
is(in
.substr(i
+ 1, 2));
93 if (is
>> std::hex
>> value
)
95 out
+= static_cast<char>(value
);
108 else if (in
[i
] == '+')
120 } // namespace server