/* /secure/daemon/bboard.c
* from Nightmare 3.3
* bulletin board daemon
* created by Descartes of Borg 940920
*/
#include <lib.h>
#include <dirs.h>
#include <privs.h>
#include "bboard.h"
inherit LIB_DAEMON;
private string __Owner;
private mapping *__Posts;
static private string __CurrentID;
string list_new_posts(string id);
string Location;
void create() {
daemon::create();
SetNoClean(1);
__Owner = 0;
__CurrentID = 0;
__Posts = ({});
}
static private void save_board() {
if(!__CurrentID){
return;
}
if(!unguarded((: file_exists,save_file(DIR_BOARDS+"/"+__CurrentID) :))){
int i;
if(!sizeof(__Posts)){
__Owner = query_privs(previous_object(0));
__Posts = ({});
}
i = strlen(__CurrentID);
while(i--)
if((__CurrentID[i] < 'a' || __CurrentID[i] > 'z') && __CurrentID[i] != '_')
error("Illegal bulletin board id.");
}
SaveObject(save_file(DIR_BOARDS+"/"+__CurrentID));
}
static private int restore_board() {
if(!__CurrentID){
return 0;
}
if(!unguarded((: file_exists, save_file(DIR_BOARDS+"/"+__CurrentID) :))){
__Owner = query_privs(previous_object(0));
__Posts = ({});
return 0;
}
else {
RestoreObject(save_file(DIR_BOARDS+"/"+__CurrentID));
}
return 1;
}
static private int valid_access() {
string str;
if(this_player() && archp(this_player())) true();
else if(__Owner == PRIV_SECURE && !(master()->valid_apply(({}))))
return 0;
str = query_privs(previous_object(0));
if(member_array(PRIV_SECURE, explode(str, ":")) != -1) return 1;
return (__Owner == str);
}
void add_post(string id, string who, string subj, string msg) {
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()) return;
if(!stringp(who)) return;
if(!subj || subj == "") subj = "[No Subject]";
if(!msg || msg == "") return;
__Posts += ({ ([ "author" : who, "subject" : subj, "time" : time(),
"post" : msg, "read" : ({ convert_name(who) }) ]) });
save_board();
}
void RegisterLocation(string id, string location){
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()){
return;
}
if(!location || !stringp(location)){
return;
}
Location = location;
save_board();
}
void remove_post(string id, int post) {
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()) return;
if(post < 0 || post >= sizeof(__Posts)) return;
if( !post && sizeof(__Posts) ) __Posts = __Posts[1..];
else if( post == sizeof(__Posts) - 1 ) __Posts = __Posts[0..<2];
else __Posts = __Posts[0..(post - 1)] + __Posts[(post + 1)..];
save_board();
}
void mark_read(string id, int post, string reader) {
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()) return;
if(post < 0 || post > sizeof(__Posts)) return;
if(reader && reader != "")
__Posts[post]["read"] = distinct_array(__Posts[post]["read"]+({reader}));
save_board();
}
mapping query_post(string id, int post) {
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()) return 0;
if(post < 0 || post > sizeof(__Posts)) return 0;
return copy(__Posts[post]);
}
mapping *query_posts(string id) {
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()) return 0;
return copy(__Posts);
}
int query_number_posts(string id) {
if(__CurrentID != id) {
__CurrentID = id;
restore_board();
}
if(!valid_access()) return 0;
return sizeof(__Posts);
}
varargs string list_new_posts(string id, int location){
string mag;
int i;
mixed count;
if(__CurrentID != id) {
__CurrentID = id;
Location = 0;
i = restore_board();
}
count = 0;
for(i = 0; i < sizeof(__Posts); i++){
if(member_array(convert_name(this_player()->GetKeyName()),
__Posts[i]["read"]) == -1) count++;
}
id = replace_string(id, "_", " ");
if(location) id += " ( "+Location+" ) ";
mag = "";
mag += capitalize(id) + " has "+(count ? count : "no") + " new message"+
(count == 1 ? "" : "s")+ " posted.";
return mag;
}
