GNUnet  0.19.2
rest.c
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1 /*
2  This file is part of GNUnet
3  Copyright (C) 2010-2015 GNUnet e.V.
4 
5  GNUnet is free software: you can redistribute it and/or modify it
6  under the terms of the GNU Affero General Public License as published
7  by the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  GNUnet is distributed in the hope that it will be useful, but
11  WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  Affero General Public License for more details.
14 
15  You should have received a copy of the GNU Affero General Public License
16  along with this program. If not, see <http://www.gnu.org/licenses/>.
17 
18  SPDX-License-Identifier: AGPL3.0-or-later
19  */
20 
27 #include "platform.h"
28 #include "gnunet_util_lib.h"
29 #include "gnunet_rest_lib.h"
30 #include "microhttpd.h"
31 
36 int
37 GNUNET_REST_namespace_match (const char *url, const char *namespace)
38 {
39  return 0 == strncmp (namespace, url, strlen (namespace));
40 }
41 
42 
43 struct MHD_Response*
45 {
46  struct MHD_Response *resp;
47  size_t len;
48 
49  if (NULL == data)
50  {
51  len = 0;
52  data = "";
53  }
54  else
55  len = strlen (data);
56  resp = MHD_create_response_from_buffer (len,
57  (void *) data,
58  MHD_RESPMEM_MUST_COPY);
59  return resp;
60 }
61 
62 
63 int
67  void *cls)
68 {
69  int count;
70  int i;
71  char *url;
72 
73  count = 0;
74  while (NULL != handlers[count].method)
75  count++;
76 
77  GNUNET_asprintf (&url, "%s", conn->url);
78  if (url[strlen (url) - 1] == '/')
79  url[strlen (url) - 1] = '\0';
80  for (i = 0; i < count; i++)
81  {
82  if (0 != strcasecmp (conn->method, handlers[i].method))
83  continue;
84  if (strlen (url) < strlen (handlers[i].namespace))
85  continue;
86  if (GNUNET_NO == GNUNET_REST_namespace_match (url, handlers[i].namespace))
87  continue;
88  // Match
89  handlers[i].proc (conn, (const char *) url, cls);
90  GNUNET_free (url);
91  return GNUNET_YES;
92  }
93  GNUNET_free (url);
95  return GNUNET_NO;
96 }
97 
98 
99 /* end of rest.c */
static struct GNUNET_CADET_MessageHandler handlers[]
Handlers, for diverse services.
uint32_t data
The data value.
uint16_t len
length of data (which is always a uint32_t, but presumably this can be used to specify that fewer byt...
API for helper library to parse/create REST.
@ GNUNET_YES
@ GNUNET_NO
int int GNUNET_asprintf(char **buf, const char *format,...) __attribute__((format(printf
Like asprintf, just portable.
#define GNUNET_free(ptr)
Wrapper around free.
struct MHD_Response * GNUNET_REST_create_response(const char *data)
Create REST MHD response.
Definition: rest.c:44
int GNUNET_REST_handle_request(struct GNUNET_REST_RequestHandle *conn, const struct GNUNET_REST_RequestHandler *handlers, struct GNUNET_REST_RequestHandlerError *err, void *cls)
Definition: rest.c:64
int GNUNET_REST_namespace_match(const char *url, const char *namespace)
REST Utilities.
Definition: rest.c:37
@ MHD_HTTP_BAD_REQUEST
Bad Request [RFC7231, Section 6.5.1].
const char * url
The url as string.
const char * method
The HTTP method as MHD value (see microhttpd.h)