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/* $Cambridge: hermes/src/prayer/cmd/cmd_filter.c,v 1.4 2008/09/17 17:20:25 dpc22 Exp $ */
/************************************************
* Prayer - a Webmail Interface *
************************************************/
/* Copyright (c) University of Cambridge 2000 - 2008 */
/* See the file NOTICE for conditions of use and distribution. */
#include "prayer_session.h"
static void generate_form(struct session *session)
{
struct template_vals *tvals = session->template_vals;
struct request *request = session->request;
struct buffer *b = request->write_buffer;
struct account *account = session->account;
struct list_item *item;
unsigned long count;
char *type;
char *type_strong;
char *value;
count = 0;
for (item = account->filter_list->head; item; item = item->next) {
struct filter *filter = (struct filter *) item;
template_vals_foreach_init(tvals, "@filters", count);
template_vals_foreach_ulong(tvals, "@filters", count, "offset", count);
switch (filter->type) {
case FILTER_SENDER:
type = "sender";
type_strong = "SENDER";
value = pool_printf(tvals->pool, "%s@%s",
filter->local_part, filter->domain);
break;
case FILTER_RECIPIENT:
type = "recipient";
type_strong = "RECIPIENT";
value = pool_printf(tvals->pool, "%s@%s",
filter->local_part, filter->domain);
break;
case FILTER_SUBJECT:
type = "subject";
type_strong = "SUBJECT";
value = filter->subject;
break;
default:
type = "unknown";
type_strong = "UNKNOWN";
value = "";
break;
}
template_vals_foreach_string(tvals, "@filters", count,
"type_strong", type_strong);
template_vals_foreach_string(tvals, "@filters", count,
"type", type);
template_vals_foreach_string(tvals, "@filters", count,
"value", value);
if (filter->mailbox)
template_vals_foreach_string(tvals, "@filters", count,
"mailbox", filter->mailbox);
if (filter->copy)
template_vals_foreach_ulong(tvals, "@filters", count, "copy", 1);
count++;
}
session_seed_template(session, tvals);
template_expand("filter", tvals, b);
response_html(request, 200); /* Success */
}
static void
generate_error(struct session *session)
{
struct template_vals *tvals = session->template_vals;
struct account *account = session->account;
struct request *request = session->request;
char *msg = account_fetch_message(account);
struct buffer *b = request->write_buffer;
if (!(msg && msg[0]))
msg = "Unable to check mail processing status";
template_vals_string(tvals, "msg", msg);
session_seed_template(session, tvals);
template_expand("filter_fail", tvals, b);
response_html(request, 200);
}
void cmd_filter(struct session *session)
{
struct request *request = session->request;
struct account *account = session->account;
unsigned long offset;
struct assoc *h = NIL;
struct filter *filter = filter_alloc();
char *type;
char *param;
if (request->method != POST) {
if (!account_mail_check(account, request->pool)) {
generate_error(session);
return;
}
if (session->half_filter) {
filter_free(session->half_filter);
session->half_filter = NIL;
}
if ((request->argc >= 3) && !strcmp(request->argv[1], "remove")) {
offset = atoi(request->argv[2]);
account_filter_remove(session->account, offset);
if (account_mail_update(session->account, request->pool)) {
session_message(session, "Removed filter number: %lu",
offset + 1);
} else {
char *msg = account_fetch_message(account);
session_alert(session, "Failed to remove filter number: %lu",
offset + 1, msg);
session_log(session,
"[cmd_filter] Failed to remove filter number: %lu",
offset + 1, msg);
}
}
generate_form(session);
return;
}
request_decode_form(request);
h = request->form;
if (assoc_lookup(h, "sub_cancel")) {
session_redirect(session, request, "manage");
return;
}
type = assoc_lookup(h, "type");
param = assoc_lookup(h, "param");
if (!(type && type[0])) {
session_alert(session, "Missing type field");
generate_form(session);
return;
}
if (param && param[0])
param = string_trim_whitespace(param);
if (!(param && param[0])) {
session_alert(session, "Missing or empty parameter field");
generate_form(session);
return;
}
if (!strcmp(type, "block") ||
!strcmp(type, "sender") || !strcmp(type, "recipient")) {
/* Param is address or address wildcard */
if (!filter_test_addr(filter, session, param)) {
session_alert(session, "Invalid filter pattern");
generate_form(session);
return;
}
}
if (!strcmp(type, "subject")) {
session_message(session, "Adding SUBJECT filter: \"%s\"", param);
filter_set_type(filter, FILTER_SUBJECT);
filter_set_subject(filter, param);
} else if (!strcmp(type, "sender")) {
session_message(session, "Adding SENDER filter: \"%s\"", param);
filter_set_type(filter, FILTER_SENDER);
filter_set_addr(filter, session, param);
} else if (!strcmp(type, "recipient")) {
session_message(session, "Adding RECIPIENT filter: \"%s\"",
param);
filter_set_type(filter, FILTER_RECIPIENT);
filter_set_addr(filter, session, param);
} else {
session_alert(session, "Bad/Unknown filter type");
session_redirect(session, request, "error");
return;
}
session->half_filter = filter;
session_redirect(session, request, "filter_select");
}
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