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/* $Cambridge: hermes/src/prayer/cmd/cmd_block.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 *value;
count = 0;
for (item = account->block_list->head; item; item = item->next) {
struct filter *filter = (struct filter *) item;
if (filter->type != FILTER_BLOCK) {
count++;
continue;
}
value = pool_printf(tvals->pool, "%s@%s",
filter->local_part, filter->domain);
template_vals_foreach_init(tvals, "@blocks", count);
template_vals_foreach_ulong(tvals, "@blocks", count, "offset", count);
template_vals_foreach_string(tvals, "@blocks", count, "value", value);
count++;
}
session_seed_template(session, tvals);
template_expand("block", tvals, b);
response_html(request, 200); /* Success */
}
static void
generate_error(struct session *session)
{
struct template_vals *tvals = session->template_vals;
struct request *request = session->request;
struct account *account = session->account;
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("block_fail", tvals, b);
response_html(request, 200);
}
void
cmd_block(struct session *session)
{
struct request *request = session->request;
struct account *account = session->account;
unsigned long offset;
struct assoc *h = NIL;
struct filter *filter;
char *param;
if (request->method != POST) {
if (!account_mail_check(account, request->pool)) {
generate_error(session);
return;
}
if ((request->argc >= 3) && !strcmp(request->argv[1], "remove")) {
offset = atoi(request->argv[2]);
account_block_remove(account, offset);
if (account_mail_update(account, request->pool)) {
session_message(session, "Removed block number: %lu",
offset + 1);
} else {
char *msg = account_fetch_message(account);
session_alert(session,
"Failed to remove block number: %lu: %s",
offset + 1, msg);
session_log(session,
"[cmd_block] Failed to remove block number: %lu: %s",
offset + 1, msg);
}
}
generate_form(session);
return;
}
filter = filter_alloc();
request_decode_form(request);
h = request->form;
if (assoc_lookup(h, "sub_cancel")) {
session_redirect(session, request, "manage");
return;
}
param = assoc_lookup(h, "param");
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;
}
/* Param is address or address wildcard */
if (!filter_test_addr(filter, session, param)) {
session_alert(session, "Invalid filter pattern");
generate_form(session);
return;
}
/* Block is special: doesn't require target folder */
filter_set_type(filter, FILTER_BLOCK);
filter_set_addr(filter, session, param);
account_block_add(session->account, filter);
if (account_mail_update(account, request->pool)) {
session_message(session, "Added BLOCK filter");
} else {
char *msg = account_fetch_message(account);
session_alert(session, "Failed to add BLOCK filter: %s", msg);
session_log(session,
"[cmd_block] Failed to add BLOCK filter: %s", msg);
}
generate_form(session);
}
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