static gchar *
gen_context(PurpleXfer *xfer, const char *file_name, const char *file_path)
{
gsize size = 0;
MsnFileContext *header;
gchar *u8 = NULL;
gchar *ret;
gunichar2 *uni = NULL;
glong currentChar = 0;
glong len = 0;
const char *preview;
gsize preview_len;
size = purple_xfer_get_size(xfer);
purple_xfer_prepare_thumbnail(xfer, "png");
if (!file_name) {
gchar *basename = g_path_get_basename(file_path);
u8 = purple_utf8_try_convert(basename);
g_free(basename);
file_name = u8;
}
uni = g_utf8_to_utf16(file_name, -1, NULL, &len, NULL);
if (u8) {
g_free(u8);
file_name = NULL;
u8 = NULL;
}
preview = purple_xfer_get_thumbnail(xfer, &preview_len);
header = g_malloc(sizeof(MsnFileContext) + preview_len);
header->length = GUINT32_TO_LE(sizeof(MsnFileContext) - 1);
header->version = GUINT32_TO_LE(2); /* V.3 contains additional unnecessary data */
header->file_size = GUINT64_TO_LE(size);
if (preview)
header->type = GUINT32_TO_LE(0);
else
header->type = GUINT32_TO_LE(1);
len = MIN(len, MAX_FILE_NAME_LEN);
for (currentChar = 0; currentChar < len; currentChar++) {
header->file_name[currentChar] = GUINT16_TO_LE(uni[currentChar]);
}
memset(&header->file_name[currentChar], 0x00, (MAX_FILE_NAME_LEN - currentChar) * 2);
memset(&header->unknown1, 0, sizeof(header->unknown1));
header->unknown2 = GUINT32_TO_LE(0xffffffff);
if (preview) {
memcpy(&header->preview, preview, preview_len);
}
header->preview[preview_len] = '\0';
g_free(uni);
ret = purple_base64_encode((const guchar *)header, sizeof(MsnFileContext) + preview_len);
g_free(header);
return ret;
}
static gchar *
gen_context(PurpleXfer *xfer, const char *file_name, const char *file_path)
{
goffset size = 0;
MsnFileContext context;
gchar *u8 = NULL;
gchar *ret;
gunichar2 *uni = NULL;
glong currentChar = 0;
glong len = 0;
const char *preview;
gsize preview_len;
size = purple_xfer_get_size(xfer);
purple_xfer_prepare_thumbnail(xfer, "png");
if (!file_name) {
gchar *basename = g_path_get_basename(file_path);
u8 = purple_utf8_try_convert(basename);
g_free(basename);
file_name = u8;
}
uni = g_utf8_to_utf16(file_name, -1, NULL, &len, NULL);
if (u8) {
g_free(u8);
file_name = NULL;
u8 = NULL;
}
preview = purple_xfer_get_thumbnail(xfer, &preview_len);
context.length = MSN_FILE_CONTEXT_SIZE_V2;
context.version = 2; /* V.3 contains additional unnecessary data */
context.file_size = size;
if (preview)
context.type = 0;
else
context.type = 1;
len = MIN(len, MAX_FILE_NAME_LEN);
for (currentChar = 0; currentChar < len; currentChar++) {
context.file_name[currentChar] = GUINT16_TO_LE(uni[currentChar]);
}
memset(&context.file_name[currentChar], 0x00, (MAX_FILE_NAME_LEN - currentChar) * 2);
#if 0
memset(&context.unknown1, 0, sizeof(context.unknown1));
context.unknown2 = 0xffffffff;
#endif
/* Mind the cast, as in, don't free it after! */
context.preview = (char *)preview;
context.preview_len = preview_len;
u8 = msn_file_context_to_wire(&context);
ret = purple_base64_encode((const guchar *)u8, MSN_FILE_CONTEXT_SIZE_V2 + preview_len);
g_free(uni);
g_free(u8);
return ret;
}
