1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
3 * soup-message-server-io.c: server-side request/response
5 * Copyright (C) 2000-2003, Ximian, Inc.
15 #include "soup-message-private.h"
16 #include "soup-address.h"
17 #include "soup-auth.h"
18 #include "soup-headers.h"
19 #include "soup-misc-private.h"
20 #include "soup-multipart.h"
21 #include "soup-server.h"
22 #include "soup-socket.h"
25 parse_request_headers (SoupMessage *msg, char *headers, guint headers_len,
26 SoupEncoding *encoding, gpointer sock)
28 SoupMessagePrivate *priv = SOUP_MESSAGE_GET_PRIVATE (msg);
29 char *req_method, *req_path, *url;
30 SoupHTTPVersion version;
35 status = soup_headers_parse_request (headers, headers_len,
40 if (!SOUP_STATUS_IS_SUCCESSFUL (status))
43 g_object_set (G_OBJECT (msg),
44 SOUP_MESSAGE_METHOD, req_method,
45 SOUP_MESSAGE_HTTP_VERSION, version,
49 /* Handle request body encoding */
50 *encoding = soup_message_headers_get_encoding (msg->request_headers);
51 if (*encoding == SOUP_ENCODING_UNRECOGNIZED) {
52 if (soup_message_headers_get_list (msg->request_headers, "Transfer-Encoding"))
53 return SOUP_STATUS_NOT_IMPLEMENTED;
55 return SOUP_STATUS_BAD_REQUEST;
58 /* Generate correct context for request */
59 req_host = soup_message_headers_get_one (msg->request_headers, "Host");
60 if (req_host && strchr (req_host, '/')) {
62 return SOUP_STATUS_BAD_REQUEST;
65 if (!strcmp (req_path, "*") && req_host) {
66 /* Eg, "OPTIONS * HTTP/1.1" */
67 url = g_strdup_printf ("%s://%s",
68 soup_socket_is_ssl (sock) ? "https" : "http",
70 uri = soup_uri_new (url);
72 soup_uri_set_path (uri, "*");
74 } else if (*req_path != '/') {
75 /* Must be an absolute URI */
76 uri = soup_uri_new (req_path);
77 } else if (req_host) {
78 url = g_strdup_printf ("%s://%s%s",
79 soup_socket_is_ssl (sock) ? "https" : "http",
81 uri = soup_uri_new (url);
83 } else if (priv->http_version == SOUP_HTTP_1_0) {
84 /* No Host header, no AbsoluteUri */
85 SoupAddress *addr = soup_socket_get_local_address (sock);
87 uri = soup_uri_new (NULL);
88 soup_uri_set_scheme (uri, soup_socket_is_ssl (sock) ?
89 SOUP_URI_SCHEME_HTTPS :
90 SOUP_URI_SCHEME_HTTP);
91 soup_uri_set_host (uri, soup_address_get_physical (addr));
92 soup_uri_set_port (uri, soup_address_get_port (addr));
93 soup_uri_set_path (uri, req_path);
99 if (!SOUP_URI_VALID_FOR_HTTP (uri)) {
100 /* certainly not "a valid host on the server" (RFC2616 5.2.3)
101 * SOUP_URI_VALID_FOR_HTTP also guards against uri == NULL
105 return SOUP_STATUS_BAD_REQUEST;
108 soup_message_set_uri (msg, uri);
111 return SOUP_STATUS_OK;
115 handle_partial_get (SoupMessage *msg)
119 SoupBuffer *full_response;
121 /* Make sure the message is set up right for us to return a
122 * partial response; it has to be a GET, the status must be
123 * 200 OK (and in particular, NOT already 206 Partial
124 * Content), and the SoupServer must have already filled in
127 if (msg->method != SOUP_METHOD_GET ||
128 msg->status_code != SOUP_STATUS_OK ||
129 soup_message_headers_get_encoding (msg->response_headers) !=
130 SOUP_ENCODING_CONTENT_LENGTH ||
131 msg->response_body->length == 0 ||
132 !soup_message_body_get_accumulate (msg->response_body))
135 /* Oh, and there has to have been a valid Range header on the
136 * request, of course.
138 if (!soup_message_headers_get_ranges (msg->request_headers,
139 msg->response_body->length,
143 full_response = soup_message_body_flatten (msg->response_body);
144 if (!full_response) {
145 soup_message_headers_free_ranges (msg->request_headers, ranges);
149 soup_message_set_status (msg, SOUP_STATUS_PARTIAL_CONTENT);
150 soup_message_body_truncate (msg->response_body);
153 SoupBuffer *range_buf;
155 /* Single range, so just set Content-Range and fix the body. */
157 soup_message_headers_set_content_range (msg->response_headers,
160 full_response->length);
161 range_buf = soup_buffer_new_subbuffer (full_response,
163 ranges[0].end - ranges[0].start + 1);
164 soup_message_body_append_buffer (msg->response_body, range_buf);
165 soup_buffer_free (range_buf);
167 SoupMultipart *multipart;
168 SoupMessageHeaders *part_headers;
169 SoupBuffer *part_body;
170 const char *content_type;
173 /* Multiple ranges, so build a multipart/byteranges response
174 * to replace msg->response_body with.
177 multipart = soup_multipart_new ("multipart/byteranges");
178 content_type = soup_message_headers_get_one (msg->response_headers,
180 for (i = 0; i < nranges; i++) {
181 part_headers = soup_message_headers_new (SOUP_MESSAGE_HEADERS_MULTIPART);
183 soup_message_headers_append (part_headers,
187 soup_message_headers_set_content_range (part_headers,
190 full_response->length);
191 part_body = soup_buffer_new_subbuffer (full_response,
193 ranges[i].end - ranges[i].start + 1);
194 soup_multipart_append_part (multipart, part_headers,
196 soup_message_headers_free (part_headers);
197 soup_buffer_free (part_body);
200 soup_multipart_to_message (multipart, msg->response_headers,
202 soup_multipart_free (multipart);
205 soup_buffer_free (full_response);
206 soup_message_headers_free_ranges (msg->request_headers, ranges);
210 get_response_headers (SoupMessage *msg, GString *headers,
211 SoupEncoding *encoding, gpointer user_data)
213 SoupEncoding claimed_encoding;
214 SoupMessageHeadersIter iter;
215 const char *name, *value;
217 handle_partial_get (msg);
219 g_string_append_printf (headers, "HTTP/1.%c %d %s\r\n",
220 soup_message_get_http_version (msg) == SOUP_HTTP_1_0 ? '0' : '1',
221 msg->status_code, msg->reason_phrase);
223 claimed_encoding = soup_message_headers_get_encoding (msg->response_headers);
224 if ((msg->method == SOUP_METHOD_HEAD ||
225 msg->status_code == SOUP_STATUS_NO_CONTENT ||
226 msg->status_code == SOUP_STATUS_NOT_MODIFIED ||
227 SOUP_STATUS_IS_INFORMATIONAL (msg->status_code)) ||
228 (msg->method == SOUP_METHOD_CONNECT &&
229 SOUP_STATUS_IS_SUCCESSFUL (msg->status_code)))
230 *encoding = SOUP_ENCODING_NONE;
232 *encoding = claimed_encoding;
234 if (claimed_encoding == SOUP_ENCODING_CONTENT_LENGTH &&
235 !soup_message_headers_get_content_length (msg->response_headers)) {
236 soup_message_headers_set_content_length (msg->response_headers,
237 msg->response_body->length);
240 soup_message_headers_iter_init (&iter, msg->response_headers);
241 while (soup_message_headers_iter_next (&iter, &name, &value))
242 g_string_append_printf (headers, "%s: %s\r\n", name, value);
243 g_string_append (headers, "\r\n");
247 soup_message_read_request (SoupMessage *msg,
249 SoupMessageCompletionFn completion_cb,
252 GMainContext *async_context;
256 SOUP_SOCKET_ASYNC_CONTEXT, &async_context,
259 async_context = g_main_context_ref (g_main_context_default ());
261 iostream = soup_socket_get_iostream (sock);
263 soup_message_io_server (msg, iostream, async_context,
264 get_response_headers,
265 parse_request_headers,
267 completion_cb, user_data);
269 g_main_context_unref (async_context);