1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "soup_fetcher.h"
#include <libsoup/soup.h>
#include <library.h>
#include <utils/debug.h>
#define DEFAULT_TIMEOUT 10
typedef struct private_soup_fetcher_t private_soup_fetcher_t;
/**
* private data of a soup_fetcher_t object.
*/
struct private_soup_fetcher_t {
/**
* Public data
*/
soup_fetcher_t public;
/**
* HTTP request method
*/
const char *method;
/**
* Request content type
*/
char *type;
/**
* Request data
*/
chunk_t data;
/**
* Request timeout
*/
u_int timeout;
/**
* HTTP request version
*/
SoupHTTPVersion version;
/**
* Fetcher callback function
*/
fetcher_callback_t cb;
};
/**
* Data to pass to soup callback
*/
typedef struct {
fetcher_callback_t cb;
void *user;
SoupSession *session;
} cb_data_t;
/**
* Soup callback invoking our callback
*/
static void soup_cb(SoupMessage *message, SoupBuffer *chunk, cb_data_t *data)
{
if (!data->cb(data->user, chunk_create((u_char*)chunk->data, chunk->length)))
{
soup_session_cancel_message(data->session, message,
SOUP_STATUS_CANCELLED);
}
}
METHOD(fetcher_t, fetch, status_t,
private_soup_fetcher_t *this, char *uri, void *userdata)
{
SoupMessage *message;
status_t status = FAILED;
cb_data_t data = {
.cb = this->cb,
.user = userdata,
};
message = soup_message_new(this->method, uri);
if (!message)
{
return NOT_SUPPORTED;
}
if (this->cb == fetcher_default_callback)
{
*(chunk_t*)userdata = chunk_empty;
}
if (this->type)
{
soup_message_set_request(message, this->type, SOUP_MEMORY_STATIC,
this->data.ptr, this->data.len);
}
soup_message_set_http_version(message, this->version);
soup_message_body_set_accumulate(message->response_body, FALSE);
g_signal_connect(message, "got-chunk", G_CALLBACK(soup_cb), &data);
data.session = soup_session_sync_new();
g_object_set(G_OBJECT(data.session),
SOUP_SESSION_TIMEOUT, (guint)this->timeout, NULL);
DBG2(DBG_LIB, "sending http request to '%s'...", uri);
soup_session_send_message(data.session, message);
if (SOUP_STATUS_IS_SUCCESSFUL(message->status_code))
{
status = SUCCESS;
}
else
{
DBG1(DBG_LIB, "HTTP request failed: %s", message->reason_phrase);
}
g_object_unref(G_OBJECT(message));
g_object_unref(G_OBJECT(data.session));
return status;
}
METHOD(fetcher_t, set_option, bool,
private_soup_fetcher_t *this, fetcher_option_t option, ...)
{
bool supported = TRUE;
va_list args;
va_start(args, option);
switch (option)
{
case FETCH_REQUEST_DATA:
this->method = SOUP_METHOD_POST;
this->data = va_arg(args, chunk_t);
break;
case FETCH_REQUEST_TYPE:
this->type = va_arg(args, char*);
break;
case FETCH_HTTP_VERSION_1_0:
this->version = SOUP_HTTP_1_0;
break;
case FETCH_TIMEOUT:
this->timeout = va_arg(args, u_int);
break;
case FETCH_CALLBACK:
this->cb = va_arg(args, fetcher_callback_t);
break;
default:
supported = FALSE;
break;
}
va_end(args);
return supported;
}
METHOD(fetcher_t, destroy, void,
private_soup_fetcher_t *this)
{
free(this);
}
/*
* Described in header.
*/
soup_fetcher_t *soup_fetcher_create()
{
private_soup_fetcher_t *this;
INIT(this,
.public = {
.interface = {
.fetch = _fetch,
.set_option = _set_option,
.destroy = _destroy,
},
},
.method = SOUP_METHOD_GET,
.version = SOUP_HTTP_1_1,
.timeout = DEFAULT_TIMEOUT,
.cb = fetcher_default_callback,
);
return &this->public;
}
|
