static CamelSExpResult *
junk_test (struct _CamelSExp *f,
gint argc,
struct _CamelSExpResult **argv,
FilterMessageSearch *fms)
{
CamelSExpResult *r;
CamelMessageInfo *info = fms->info;
CamelJunkFilter *junk_filter;
CamelMessageFlags flags;
CamelMimeMessage *message;
CamelJunkStatus status;
const GHashTable *ht;
const struct _camel_header_param *node;
gboolean sender_is_known;
gboolean message_is_junk = FALSE;
GError *error = NULL;
junk_filter = camel_session_get_junk_filter (fms->session);
if (junk_filter == NULL)
goto exit;
/* Check if the message is already classified. */
flags = camel_message_info_flags (info);
if (flags & CAMEL_MESSAGE_JUNK) {
if (camel_debug ("junk"))
printf (
"Message has a Junk flag set already, "
"skipping junk test...\n");
goto exit;
}
if (flags & CAMEL_MESSAGE_NOTJUNK) {
if (camel_debug ("junk"))
printf (
"Message has a NotJunk flag set already, "
"skipping junk test...\n");
goto exit;
}
/* Check the headers for a junk designation. */
ht = camel_session_get_junk_headers (fms->session);
node = camel_message_info_headers (info);
while (node != NULL) {
const gchar *value = NULL;
if (node->name != NULL)
value = g_hash_table_lookup (
(GHashTable *) ht, node->name);
message_is_junk =
(value != NULL) &&
(camel_strstrcase (node->value, value) != NULL);
if (message_is_junk) {
if (camel_debug ("junk"))
printf (
"Message contains \"%s: %s\"",
node->name, value);
goto done;
}
node = node->next;
}
/* If the sender is known, the message is not junk. */
sender_is_known = camel_session_lookup_addressbook (
fms->session, camel_message_info_from (info));
if (camel_debug ("junk"))
printf (
"Sender '%s' in book? %d\n",
camel_message_info_from (info),
sender_is_known);
if (sender_is_known)
goto done;
/* Consult 3rd party junk filtering software. */
message = camel_filter_search_get_message (fms, f);
status = camel_junk_filter_classify (
junk_filter, message, NULL, &error);
if (error == NULL) {
const gchar *status_desc;
switch (status) {
case CAMEL_JUNK_STATUS_INCONCLUSIVE:
status_desc = "inconclusive";
message_is_junk = FALSE;
break;
case CAMEL_JUNK_STATUS_MESSAGE_IS_JUNK:
status_desc = "junk";
message_is_junk = TRUE;
break;
case CAMEL_JUNK_STATUS_MESSAGE_IS_NOT_JUNK:
status_desc = "not junk";
message_is_junk = FALSE;
break;
default:
g_warn_if_reached ();
status_desc = "invalid";
message_is_junk = FALSE;
break;
}
if (camel_debug ("junk"))
g_print (
"Junk filter classification: %s\n",
status_desc);
} else {
g_warn_if_fail (status == CAMEL_JUNK_STATUS_ERROR);
g_warning ("%s: %s", G_STRFUNC, error->message);
g_error_free (error);
message_is_junk = FALSE;
}
done:
if (camel_debug ("junk"))
printf (
"Message is determined to be %s\n",
message_is_junk ? "*JUNK*" : "clean");
exit:
r = camel_sexp_result_new (f, CAMEL_SEXP_RES_BOOL);
r->value.number = message_is_junk;
return r;
}
static CamelSExpResult *
junk_test (struct _CamelSExp *f,
gint argc,
struct _CamelSExpResult **argv,
FilterMessageSearch *fms)
{
CamelSExpResult *r;
gboolean retval = FALSE;
CamelMessageInfo *info = fms->info;
CamelJunkFilter *junk_filter;
junk_filter = camel_session_get_junk_filter (fms->session);
d(printf("doing junk test for message from '%s'\n", camel_message_info_from (fms->info)));
if (junk_filter != NULL && (camel_message_info_flags (info) & (CAMEL_MESSAGE_JUNK | CAMEL_MESSAGE_NOTJUNK)) == 0) {
const GHashTable *ht = camel_session_get_junk_headers (fms->session);
const struct _camel_header_param *node = camel_message_info_headers (info);
while (node && !retval) {
if (node->name) {
gchar *value = (gchar *) g_hash_table_lookup ((GHashTable *) ht, node->name);
d(printf("JunkCheckMatch: %s %s %s\n", node->name, node->value, value));
if (value)
retval = camel_strstrcase (node->value, value) != NULL;
}
node = node->next;
}
if (camel_debug ("junk"))
printf("filtered based on junk header ? %d\n", retval);
if (!retval) {
retval = camel_session_lookup_addressbook (fms->session, camel_message_info_from (info)) != TRUE;
if (camel_debug ("junk"))
printf("Sender '%s' in book? %d\n", camel_message_info_from (info), !retval);
if (retval) /* Not in book. Could be spam. So check for it */ {
CamelMimeMessage *message;
CamelJunkStatus status;
gboolean success;
d(printf("filtering message\n"));
message = camel_filter_search_get_message (fms, f);
success = camel_junk_filter_classify (junk_filter, message, &status, NULL, NULL);
retval = success && (status == CAMEL_JUNK_STATUS_MESSAGE_IS_JUNK);
}
}
if (camel_debug ("junk"))
printf("junk filter => %s\n", retval ? "*JUNK*" : "clean");
} else if (junk_filter != NULL && camel_debug ("junk")) {
if (camel_message_info_flags (info) & CAMEL_MESSAGE_JUNK)
printf ("Message has a Junk flag set already, skipping junk test...\n");
else if (camel_message_info_flags (info) & CAMEL_MESSAGE_NOTJUNK)
printf ("Message has a NotJunk flag set already, skipping junk test...\n");
}
r = camel_sexp_result_new (f, CAMEL_SEXP_RES_BOOL);
r->value.number = retval;
return r;
}
