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
197
198
199
200
201
202
203
204
205
206
207
|
/*
* avatars.h
*
* Handling of User Display Pictures (but not displaying them)
* N.B. msnp2p.c does most of the work of actually sending
* and receiving them on the network.
*
* (c) 2002-20045Thomas White <taw27@srcf.ucam.org>
* Part of TuxMessenger - GTK+-based MSN Messenger client
*
* This package 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; version 2 dated June, 1991.
*
* This package 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.
*
* You should have received a copy of the GNU General Public License
* along with this package; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <assert.h>
#include <openssl/sha.h>
#include "sbsessions.h"
#include "debug.h"
#include "routines.h"
#include "xml.h"
#include "options.h"
char *avatars_getlocalfilename(const char *name) {
char *filename;
char *done;
filename = malloc(strlen(name)+17);
strcpy(filename, "~/.tuxmessenger/");
strcat(filename, name);
done = routines_glob(filename);
free(filename);
return done;
}
static char *avatars_getfilename(const char *sha1d) {
char *filename;
char *filename2;
char *done;
filename = xml_killillegalchars(sha1d);
filename2 = malloc(strlen(filename)+25);
strcpy(filename2, "~/.tuxmessenger/avatars/");
strcat(filename2, filename);
free(filename);
done = routines_glob(filename2);
free(filename2);
return done;
}
/* Check if the picture for a user is already downloaded. Returns the filename if it's here. */
char *avatars_havepicture(const char *dpobject) {
char *picture_data_hash;
struct stat stat_buffer;
struct stat *statbuf;
char *dpobject_decoded;
char *full_filename;
assert(dpobject != NULL);
dpobject_decoded = routines_urldecode(dpobject);
picture_data_hash = xml_getfield(dpobject_decoded, "SHA1D");
free(dpobject_decoded);
full_filename = avatars_getfilename(picture_data_hash);
free(picture_data_hash);
if ( full_filename == NULL ) {
return NULL;
}
/* Check if we already have this picture or not */
statbuf = &stat_buffer;
debug_print("AV: Looking for '%s': ", full_filename);
if ( stat(full_filename, statbuf) != -1 ) {
debug_print("found!\n");
return full_filename;
} else {
debug_print("not found.\n");
}
free(full_filename);
return NULL;
}
/* Return filename of the image to use while downloading a picture. */
char *avatars_default_fetching() {
return avatars_getlocalfilename("wait_avatar.png");
}
/* Return filename of default image to use when a user has no picture. */
char *avatars_default_none() {
return avatars_getlocalfilename("default_avatar.png");
}
/* Return filename of image to use for local user. */
char *avatars_local() {
return avatars_getlocalfilename("avatar.png");
}
char *avatars_localobject() {
char *msnobject;
char *msnobject_coded;
char *sha1c_b64;
char *sha1d_b64;
char *sha1c;
char *sha1d;
struct stat stat_buffer;
struct stat *statbuf;
void *picture_data;
size_t size;
FILE *fh;
char *filename;
filename = avatars_local();
if ( filename == NULL ) {
debug_print("AV: No avatar found.\n");
return strdup("0");
}
statbuf = &stat_buffer;
if ( stat(filename, statbuf) == -1 ) {
debug_print("AV: No avatar found.\n");
return strdup("0");
}
size = (int)statbuf->st_size;
fh = fopen(filename, "r");
picture_data = malloc(size);
if ( fread(picture_data, size, 1, fh) < 0 ) {
debug_print("AV: Couldn't open avatar file.\n");
return strdup("0");
}
fclose(fh);
sha1d = SHA1(picture_data, size, NULL);
sha1d_b64 = routines_base64givenlength(sha1d, 20);
free(picture_data);
msnobject = malloc(256);
sprintf(msnobject, "Creator%sSize%iType3LocationTFR6B.tmpFriendlyAAA=SHA1D%s", options_username(), size, sha1d_b64);
sha1c = SHA1(msnobject, strlen(msnobject), NULL);
sha1c_b64 = routines_base64givenlength(sha1c, 20);
debug_print("AV: Avatar: %s - %i bytes\n", filename, size);
debug_print("AV: SHA1D: %s\n", sha1d_b64);
sprintf(msnobject, "<msnobj Creator=\"%s\" Size=\"%i\" Type=\"3\" Location=\"TFR6B.tmp\" Friendly=\"AAA=\" SHA1D=\"%s\" SHA1C=\"%s\"/>", options_username(), size, sha1d_b64, sha1c_b64);
free(sha1d_b64);
free(sha1c_b64);
msnobject_coded = routines_urlencode(msnobject);
free(msnobject);
free(filename);
return msnobject_coded;
}
char *avatars_unwrapsha1d(const char *dpobject) {
char *dpobject_decoded;
char *data_hash;
dpobject_decoded = routines_urldecode(dpobject);
data_hash = xml_getfield(dpobject_decoded, "SHA1D");
free(dpobject_decoded);
return data_hash;
}
|
