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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include <boost/algorithm/string/predicate.hpp> | |
5 | #include <boost/asio/write.hpp> | |
7c673cae FG |
6 | |
7 | #include "rgw_asio_client.h" | |
8 | ||
9 | #define dout_context g_ceph_context | |
10 | #define dout_subsys ceph_subsys_rgw | |
11 | ||
7c673cae FG |
12 | using namespace rgw::asio; |
13 | ||
f64942e4 AA |
14 | ClientIO::ClientIO(parser_type& parser, bool is_ssl, |
15 | const endpoint_type& local_endpoint, | |
16 | const endpoint_type& remote_endpoint) | |
17 | : parser(parser), is_ssl(is_ssl), | |
18 | local_endpoint(local_endpoint), | |
19 | remote_endpoint(remote_endpoint), | |
20 | txbuf(*this) | |
7c673cae FG |
21 | { |
22 | } | |
23 | ||
24 | ClientIO::~ClientIO() = default; | |
25 | ||
3a9019d9 | 26 | int ClientIO::init_env(CephContext *cct) |
7c673cae FG |
27 | { |
28 | env.init(cct); | |
29 | ||
30 | const auto& request = parser.get(); | |
b32b8144 | 31 | const auto& headers = request; |
7c673cae | 32 | for (auto header = headers.begin(); header != headers.end(); ++header) { |
b32b8144 FG |
33 | const auto& field = header->name(); // enum type for known headers |
34 | const auto& name = header->name_string(); | |
7c673cae FG |
35 | const auto& value = header->value(); |
36 | ||
b32b8144 FG |
37 | if (field == beast::http::field::content_length) { |
38 | env.set("CONTENT_LENGTH", value.to_string()); | |
7c673cae FG |
39 | continue; |
40 | } | |
b32b8144 FG |
41 | if (field == beast::http::field::content_type) { |
42 | env.set("CONTENT_TYPE", value.to_string()); | |
7c673cae FG |
43 | continue; |
44 | } | |
7c673cae FG |
45 | |
46 | static const boost::string_ref HTTP_{"HTTP_"}; | |
47 | ||
48 | char buf[name.size() + HTTP_.size() + 1]; | |
49 | auto dest = std::copy(std::begin(HTTP_), std::end(HTTP_), buf); | |
50 | for (auto src = name.begin(); src != name.end(); ++src, ++dest) { | |
51 | if (*src == '-') { | |
52 | *dest = '_'; | |
53 | } else { | |
54 | *dest = std::toupper(*src); | |
55 | } | |
56 | } | |
57 | *dest = '\0'; | |
58 | ||
b32b8144 | 59 | env.set(buf, value.to_string()); |
7c673cae FG |
60 | } |
61 | ||
b32b8144 FG |
62 | int major = request.version() / 10; |
63 | int minor = request.version() % 10; | |
64 | env.set("HTTP_VERSION", std::to_string(major) + '.' + std::to_string(minor)); | |
65 | ||
66 | env.set("REQUEST_METHOD", request.method_string().to_string()); | |
7c673cae FG |
67 | |
68 | // split uri from query | |
b32b8144 | 69 | auto url = request.target(); |
7c673cae | 70 | auto pos = url.find('?'); |
b32b8144 FG |
71 | if (pos != url.npos) { |
72 | auto query = url.substr(pos + 1); | |
73 | env.set("QUERY_STRING", query.to_string()); | |
74 | url = url.substr(0, pos); | |
75 | } | |
76 | env.set("REQUEST_URI", url.to_string()); | |
77 | env.set("SCRIPT_URI", url.to_string()); /* FIXME */ | |
7c673cae FG |
78 | |
79 | char port_buf[16]; | |
f64942e4 | 80 | snprintf(port_buf, sizeof(port_buf), "%d", local_endpoint.port()); |
7c673cae | 81 | env.set("SERVER_PORT", port_buf); |
f64942e4 AA |
82 | if (is_ssl) { |
83 | env.set("SERVER_PORT_SECURE", port_buf); | |
84 | } | |
85 | env.set("REMOTE_ADDR", remote_endpoint.address().to_string()); | |
7c673cae | 86 | // TODO: set REMOTE_USER if authenticated |
3a9019d9 | 87 | return 0; |
7c673cae FG |
88 | } |
89 | ||
7c673cae FG |
90 | size_t ClientIO::complete_request() |
91 | { | |
92 | return 0; | |
93 | } | |
94 | ||
95 | void ClientIO::flush() | |
96 | { | |
97 | txbuf.pubsync(); | |
98 | } | |
99 | ||
100 | size_t ClientIO::send_status(int status, const char* status_name) | |
101 | { | |
102 | static constexpr size_t STATUS_BUF_SIZE = 128; | |
103 | ||
104 | char statusbuf[STATUS_BUF_SIZE]; | |
105 | const auto statuslen = snprintf(statusbuf, sizeof(statusbuf), | |
106 | "HTTP/1.1 %d %s\r\n", status, status_name); | |
107 | ||
108 | return txbuf.sputn(statusbuf, statuslen); | |
109 | } | |
110 | ||
111 | size_t ClientIO::send_100_continue() | |
112 | { | |
113 | const char HTTTP_100_CONTINUE[] = "HTTP/1.1 100 CONTINUE\r\n\r\n"; | |
114 | const size_t sent = txbuf.sputn(HTTTP_100_CONTINUE, | |
115 | sizeof(HTTTP_100_CONTINUE) - 1); | |
116 | flush(); | |
117 | return sent; | |
118 | } | |
119 | ||
120 | static constexpr size_t TIME_BUF_SIZE = 128; | |
121 | static size_t dump_date_header(char (×tr)[TIME_BUF_SIZE]) | |
122 | { | |
123 | const time_t gtime = time(nullptr); | |
124 | struct tm result; | |
125 | struct tm const * const tmp = gmtime_r(>ime, &result); | |
126 | if (tmp == nullptr) { | |
127 | return 0; | |
128 | } | |
129 | return strftime(timestr, sizeof(timestr), | |
130 | "Date: %a, %d %b %Y %H:%M:%S %Z\r\n", tmp); | |
131 | } | |
132 | ||
133 | size_t ClientIO::complete_header() | |
134 | { | |
135 | size_t sent = 0; | |
136 | ||
137 | char timestr[TIME_BUF_SIZE]; | |
138 | if (dump_date_header(timestr)) { | |
139 | sent += txbuf.sputn(timestr, strlen(timestr)); | |
140 | } | |
141 | ||
b32b8144 | 142 | if (parser.keep_alive()) { |
7c673cae FG |
143 | constexpr char CONN_KEEP_ALIVE[] = "Connection: Keep-Alive\r\n"; |
144 | sent += txbuf.sputn(CONN_KEEP_ALIVE, sizeof(CONN_KEEP_ALIVE) - 1); | |
b32b8144 | 145 | } else { |
7c673cae FG |
146 | constexpr char CONN_KEEP_CLOSE[] = "Connection: close\r\n"; |
147 | sent += txbuf.sputn(CONN_KEEP_CLOSE, sizeof(CONN_KEEP_CLOSE) - 1); | |
148 | } | |
149 | ||
150 | constexpr char HEADER_END[] = "\r\n"; | |
151 | sent += txbuf.sputn(HEADER_END, sizeof(HEADER_END) - 1); | |
152 | ||
153 | flush(); | |
154 | return sent; | |
155 | } | |
156 | ||
157 | size_t ClientIO::send_header(const boost::string_ref& name, | |
158 | const boost::string_ref& value) | |
159 | { | |
160 | static constexpr char HEADER_SEP[] = ": "; | |
161 | static constexpr char HEADER_END[] = "\r\n"; | |
162 | ||
163 | size_t sent = 0; | |
164 | ||
165 | sent += txbuf.sputn(name.data(), name.length()); | |
166 | sent += txbuf.sputn(HEADER_SEP, sizeof(HEADER_SEP) - 1); | |
167 | sent += txbuf.sputn(value.data(), value.length()); | |
168 | sent += txbuf.sputn(HEADER_END, sizeof(HEADER_END) - 1); | |
169 | ||
170 | return sent; | |
171 | } | |
172 | ||
173 | size_t ClientIO::send_content_length(uint64_t len) | |
174 | { | |
175 | static constexpr size_t CONLEN_BUF_SIZE = 128; | |
176 | ||
177 | char sizebuf[CONLEN_BUF_SIZE]; | |
178 | const auto sizelen = snprintf(sizebuf, sizeof(sizebuf), | |
179 | "Content-Length: %" PRIu64 "\r\n", len); | |
180 | ||
181 | return txbuf.sputn(sizebuf, sizelen); | |
182 | } |