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
|
/* HexChat
* Copyright (c) 2010-2012 Berke Viktor.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include <gio/gio.h>
#include "hexchat-plugin.h"
static hexchat_plugin *ph; /* plugin handle */
static char name[] = "Checksum";
static char desc[] = "Calculate checksum for DCC file transfers";
static char version[] = "4.0";
typedef struct {
gboolean send_message;
char *servername;
char *channel;
} ChecksumCallbackInfo;
static void
print_sha256_result (ChecksumCallbackInfo *info, const char *checksum, const char *filename, GError *error)
{
// So then we get the next best available channel, since we always want to print at least somewhere, it's fine
hexchat_context *ctx = hexchat_find_context(ph, info->servername, info->channel);
if (!ctx) {
// before we print a private message to the wrong channel, we exit early
if (info->send_message) {
return;
}
// if the context isn't found the first time, we search in the server
ctx = hexchat_find_context(ph, info->servername, NULL);
if (!ctx) {
// The second time we exit early, since printing in another server isn't desireable
return;
}
}
hexchat_set_context(ph, ctx);
if (error) {
hexchat_printf (ph, "Failed to create checksum for %s: %s\n", filename, error->message);
} else if (info->send_message) {
hexchat_commandf (ph, "quote PRIVMSG %s :SHA-256 checksum for %s (remote): %s", hexchat_get_info (ph, "channel"), filename, checksum);
} else {
hexchat_printf (ph, "SHA-256 checksum for %s (local): %s\n", filename, checksum);
}
}
static void
file_sha256_complete (GFile *file, GAsyncResult *result, gpointer user_data)
{
ChecksumCallbackInfo * callback_info = user_data;
GError *error = NULL;
char *sha256 = NULL;
const char *filename = g_task_get_task_data (G_TASK (result));
sha256 = g_task_propagate_pointer (G_TASK (result), &error);
print_sha256_result (callback_info, sha256, filename, error);
g_free(callback_info->servername);
g_free(callback_info->channel);
g_free(callback_info);
g_free (sha256);
g_clear_error (&error);
}
static void
thread_sha256_file (GTask *task, GFile *file, gpointer task_data, GCancellable *cancellable)
{
GChecksum *checksum;
GFileInputStream *istream;
guint8 buffer[32768];
GError *error = NULL;
gssize ret;
istream = g_file_read (file, cancellable, &error);
if (error) {
g_task_return_error (task, error);
return;
}
checksum = g_checksum_new (G_CHECKSUM_SHA256);
while ((ret = g_input_stream_read (G_INPUT_STREAM (istream), buffer, sizeof(buffer), cancellable, &error)) > 0)
g_checksum_update (checksum, buffer, ret);
if (error) {
g_checksum_free (checksum);
g_task_return_error (task, error);
return;
}
g_task_return_pointer (task, g_strdup (g_checksum_get_string (checksum)), g_free);
g_checksum_free (checksum);
}
static int
dccrecv_cb (char *word[], void *userdata)
{
GTask *task;
char *filename_fs;
GFile *file;
const char *dcc_completed_dir;
char *filename;
if (hexchat_get_prefs (ph, "dcc_completed_dir", &dcc_completed_dir, NULL) == 1 && dcc_completed_dir[0] != '\0')
filename = g_build_filename (dcc_completed_dir, word[1], NULL);
else
filename = g_strdup (word[2]);
filename_fs = g_filename_from_utf8 (filename, -1, NULL, NULL, NULL);
if (!filename_fs) {
hexchat_printf (ph, "Checksum: Invalid filename (%s)\n", filename);
g_free (filename);
return HEXCHAT_EAT_NONE;
}
ChecksumCallbackInfo *callback_data = g_new (ChecksumCallbackInfo, 1);
callback_data->servername = g_strdup(hexchat_get_info(ph, "server"));
callback_data->channel = g_strdup(hexchat_get_info(ph, "channel"));
callback_data->send_message = FALSE;
file = g_file_new_for_path (filename_fs);
task = g_task_new (file, NULL, (GAsyncReadyCallback) file_sha256_complete, (gpointer)callback_data);
g_task_set_task_data (task, filename, g_free);
g_task_run_in_thread (task, (GTaskThreadFunc) thread_sha256_file);
g_free (filename_fs);
g_object_unref (file);
g_object_unref (task);
return HEXCHAT_EAT_NONE;
}
static int
dccoffer_cb (char *word[], void *userdata)
{
GFile *file;
GTask *task;
char *filename;
ChecksumCallbackInfo *callback_data = g_new (ChecksumCallbackInfo, 1);
callback_data->servername = g_strdup(hexchat_get_info(ph, "server"));
callback_data->channel = g_strdup(hexchat_get_info(ph, "channel"));
callback_data->send_message = TRUE;
filename = g_strdup (word[3]);
file = g_file_new_for_path (filename);
task = g_task_new (file, NULL, (GAsyncReadyCallback) file_sha256_complete, (gpointer)callback_data);
g_task_set_task_data (task, filename, g_free);
g_task_run_in_thread (task, (GTaskThreadFunc) thread_sha256_file);
g_object_unref (file);
g_object_unref (task);
return HEXCHAT_EAT_NONE;
}
int
hexchat_plugin_init (hexchat_plugin *plugin_handle, char **plugin_name, char **plugin_desc, char **plugin_version, char *arg)
{
ph = plugin_handle;
*plugin_name = name;
*plugin_desc = desc;
*plugin_version = version;
hexchat_hook_print (ph, "DCC RECV Complete", HEXCHAT_PRI_NORM, dccrecv_cb, NULL);
hexchat_hook_print (ph, "DCC Offer", HEXCHAT_PRI_NORM, dccoffer_cb, NULL);
hexchat_printf (ph, "%s plugin loaded\n", name);
return 1;
}
int
hexchat_plugin_deinit (void)
{
hexchat_printf (ph, "%s plugin unloaded\n", name);
return 1;
}
|
