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git.proxmox.com Git - ceph.git/blob - ceph/src/boost/libs/asio/example/cpp03/http/server2/request_handler.cpp
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5 // Copyright (c) 2003-2019 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 <boost/lexical_cast.hpp>
16 #include "mime_types.hpp"
18 #include "request.hpp"
23 request_handler::request_handler(const std::string
& doc_root
)
28 void request_handler::handle_request(const request
& req
, reply
& rep
)
30 // Decode url to path.
31 std::string request_path
;
32 if (!url_decode(req
.uri
, request_path
))
34 rep
= reply::stock_reply(reply::bad_request
);
38 // Request path must be absolute and not contain "..".
39 if (request_path
.empty() || request_path
[0] != '/'
40 || request_path
.find("..") != std::string::npos
)
42 rep
= reply::stock_reply(reply::bad_request
);
46 // If path ends in slash (i.e. is a directory) then add "index.html".
47 if (request_path
[request_path
.size() - 1] == '/')
49 request_path
+= "index.html";
52 // Determine the file extension.
53 std::size_t last_slash_pos
= request_path
.find_last_of("/");
54 std::size_t last_dot_pos
= request_path
.find_last_of(".");
55 std::string extension
;
56 if (last_dot_pos
!= std::string::npos
&& last_dot_pos
> last_slash_pos
)
58 extension
= request_path
.substr(last_dot_pos
+ 1);
61 // Open the file to send back.
62 std::string full_path
= doc_root_
+ request_path
;
63 std::ifstream
is(full_path
.c_str(), std::ios::in
| std::ios::binary
);
66 rep
= reply::stock_reply(reply::not_found
);
70 // Fill out the reply to be sent to the client.
71 rep
.status
= reply::ok
;
73 while (is
.read(buf
, sizeof(buf
)).gcount() > 0)
74 rep
.content
.append(buf
, is
.gcount());
75 rep
.headers
.resize(2);
76 rep
.headers
[0].name
= "Content-Length";
77 rep
.headers
[0].value
= boost::lexical_cast
<std::string
>(rep
.content
.size());
78 rep
.headers
[1].name
= "Content-Type";
79 rep
.headers
[1].value
= mime_types::extension_to_type(extension
);
82 bool request_handler::url_decode(const std::string
& in
, std::string
& out
)
85 out
.reserve(in
.size());
86 for (std::size_t i
= 0; i
< in
.size(); ++i
)
90 if (i
+ 3 <= in
.size())
93 std::istringstream
is(in
.substr(i
+ 1, 2));
94 if (is
>> std::hex
>> value
)
96 out
+= static_cast<char>(value
);
109 else if (in
[i
] == '+')
121 } // namespace server2