path: root/mbbsd/friend.c

/* $Id: friend.c,v 1.2 2002/03/09 10:34:58 in2 Exp $ */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/file.h>
#include "config.h"
#include "pttstruct.h"
#include "common.h"
#include "perm.h"
#include "proto.h"

extern char currboard[];    /* name of currently selected board */
extern char *fn_overrides;
extern userinfo_t *currutmp;
extern char *fn_reject;
extern int usernum;
extern char *str_space;
extern char *msg_uid;

/* ------------------------------------- */
/* 特別名單                              */
/* ------------------------------------- */

/* Ptt 其他特別名單的檔名 */
static char special_list[] = "list.0";
static char special_des[] = "ldes.0";

/* 特別名單的上限 */
static unsigned int friend_max[8] = {
    MAX_FRIEND,
    MAX_REJECT,
    MAX_LOGIN_INFO,
    MAX_POST_INFO,
    MAX_NAMELIST,
    MAX_NAMELIST,
    MAX_NAMELIST,
    MAX_NAMELIST
};
/* 雖然好友跟壞人名單都是 * 2 但是一次最多load到shm只能有128 */

/* Ptt 各種特別名單的檔名 */
char *friend_file[8] = {
    FN_OVERRIDES,
    FN_REJECT,
    "alohaed",
    "postlist",
    "",
    FN_CANVOTE,
    FN_WATER,
    FN_VISABLE
};

/* Ptt 各種特別名單的補述 */
static char *friend_desc[8] = {
    "友誼描述：",
    "惡形惡狀：",
    "",
    "",
    "描述一下：",
    "投票者描述：",
    "惡形惡狀：",
    "看板好友描述"
};

/* Ptt 各種特別名單的中文敘述 */
static char *friend_list[8] = {
    "好友名單",
    "壞人名單",
    "上線通知",
    "新文章通知",
    "其它特別名單",
    "私人投票名單",
    "看板禁聲名單",
    "看板好友名單"
};

static void setfriendfile(char *fpath, int type) {
    if (type <= 4)      /* user list Ptt */
    setuserfile(fpath, friend_file[type]);
    else            /* board list */
    setbfile(fpath, currboard, friend_file[type]);
}

static int friend_count(char *fname) {
    FILE *fp;
    int count = 0;
    char buf[200];

#if 0
    if ((fp = fopen(fname, "r")))
    while (fgets(buf, 200, fp))
        count++;
#endif

/*rocker.011018: 忘記關檔了... */
    if ((fp = fopen(fname, "r")))
    {
      while (fgets(buf, 200, fp)) count++;
      fclose (fp);
    }
    
    return count;
}

void friend_add(char *uident, int type) {
    char fpath[80];

    setfriendfile(fpath, type);
    if (friend_count(fpath) > friend_max[type])
    return;

    if ((uident[0] > ' ') && !belong(fpath, uident))
    {
    FILE *fp;
    char buf[40] = "";
    char t_uident[IDLEN + 1];

    /* Thor: avoid uident run away when get data */
    strcpy(t_uident, uident);

    if (type != FRIEND_ALOHA && type != FRIEND_POST)
        getdata(2, 0, friend_desc[type], buf, 40, DOECHO);

    if ((fp = fopen(fpath, "a")))
    {
        flock(fileno(fp), LOCK_EX);
        fprintf(fp, "%-13s%s\n", t_uident, buf);
        flock(fileno(fp), LOCK_UN);
        fclose(fp);
    }
    }
}

static void friend_special() {
    char genbuf[70], i, fname[70];

    friend_file[FRIEND_SPECIAL] = special_list;
    for (i = 0; i <= 9; i++)
    {
    sprintf(genbuf, "  (\033[36m%d\033[m)  .. ", i);
    special_des[5] = i + '0';
    setuserfile(fname, special_des);
    if (dashf(fname))
    {
    /* no NULL check?? */
        FILE *fp = fopen(fname, "r");

        fgets(genbuf + 15, 40, fp);
        genbuf[47] = 0;
    }
    move(i + 12, 0);
    clrtoeol();
    outs(genbuf);
    }
    getdata(22, 0, "請選擇第幾號特別名單 (0~9)[0]?", genbuf, 3, LCECHO);
    if (genbuf[0] >= '0' && genbuf[0] <= '9')
    {
    special_list[5] = genbuf[0];
    special_des[5] = genbuf[0];
    }
    else
    {
    special_list[5] = '0';
    special_des[5] = '0';
    }
}

static void friend_append(int type, int count) {
    char fpath[80], i, j, buf[80], sfile[80];
    FILE *fp, *fp1;

    setfriendfile(fpath, type);

    do
    {
    move(2, 0);
    clrtobot();
    outs("要引入哪一個名單?\n");
    for (i = 0, j = 0; i <= 7; i++)
    {
        if (i == type)
        continue;
        j++;
        if (i <= 4)
        sprintf(buf, "  (%d) %-s\n", j, friend_list[(int) i]);
        else
        sprintf(buf, "  (%d) %s 版的 %s\n", j, currboard,
            friend_list[(int) i]);
        outs(buf);
    }
    outs("  (S) 選擇其他看板的特別名單");
    getdata(11, 0, "請選擇 或 直接[Enter] 放棄:", buf, 3, LCECHO);
    if (!buf[0])
        return;
    if (buf[0] == 's')
        Select();
    }
    while (buf[0] < '1' || buf[0] > '9');

    j = buf[0] - '1';
    if (j >= type)
    j++;
    if (j == FRIEND_SPECIAL)
    friend_special();

    setfriendfile(sfile, j);

    fp = fopen(sfile, "r");
    while (fgets(buf, 80, fp) && count <= friend_max[type])
    {
    char the_id[15];

    sscanf(buf, "%s", the_id);
    if (!belong(fpath, the_id))
    {
        if ((fp1 = fopen(fpath, "a")))
        {
        flock(fileno(fp1), LOCK_EX);
        fputs(buf, fp1);
        flock(fileno(fp1), LOCK_UN);
        fclose(fp1);
        }
    }
    }
    fclose(fp);
}

void friend_delete(char *uident, int type) {
    FILE *fp, *nfp;
    char fn[80], fnnew[80];
    char genbuf[200];

    setfriendfile(fn, type);

    sprintf(fnnew, "%s-", fn);
    if ((fp = fopen(fn, "r")) && (nfp = fopen(fnnew, "w")))
    {
    int length = strlen(uident);

    while (fgets(genbuf, STRLEN, fp))
        if ((genbuf[0] > ' ') && strncmp(genbuf, uident, length))
        fputs(genbuf, nfp);
    fclose(fp);
    fclose(nfp);
    Rename(fnnew, fn);
    }
}

static void friend_editdesc(char *uident, int type) {
    FILE *fp, *nfp;
    char fnnew[200], genbuf[200], fn[200];
    setfriendfile(fn, type);
    sprintf(fnnew, "%s-", fn);
    if ((fp = fopen(fn, "r")) && (nfp = fopen(fnnew, "w")))
    {
    int length = strlen(uident);

    while (fgets(genbuf, STRLEN, fp))
    {
        if ((genbuf[0] > ' ') && strncmp(genbuf, uident, length))
        fputs(genbuf, nfp);
        else if (!strncmp(genbuf, uident, length))
        {
        char buf[50] = "";
        getdata(2, 0, "修改描述：", buf, 40, DOECHO);
        fprintf(nfp, "%-13s%s\n", uident, buf);
        }
    }
    fclose(fp);
    fclose(nfp);
    Rename(fnnew, fn);
    }
}

void friend_load() {
    FILE *fp;
    int myfriends[MAX_FRIEND];
    int myrejects[MAX_REJECT];
    int friendcount, rejectedcount;
    char genbuf[200];

    memset(myfriends, 0, sizeof(myfriends));
    friendcount = 0;
    setuserfile(genbuf, fn_overrides);
    if ((fp = fopen(genbuf, "r")))
    {
    int unum;

    while (fgets(genbuf, STRLEN, fp) && friendcount < MAX_FRIEND - 1)
        if (strtok(genbuf, str_space))
        if ((unum = searchuser(genbuf)))
            myfriends[friendcount++] = unum;
    fclose(fp);
    }
    memcpy(currutmp->friend, myfriends, sizeof(myfriends));

    memset(myrejects, 0, sizeof(myrejects));
    rejectedcount = 0;
    setuserfile(genbuf, fn_reject);
    if ((fp = fopen(genbuf, "r")))
    {
    int unum;

    while (fgets(genbuf, STRLEN, fp) && rejectedcount < MAX_REJECT - 1)
        if (strtok(genbuf, str_space))
        if ((unum = searchuser(genbuf)))
            myrejects[rejectedcount++] = unum;
    fclose(fp);
    }
    memcpy(currutmp->reject, myrejects, sizeof(myrejects));
    if(currutmp->friendtotal) logout_friend_online();
    login_friend_online();
}

extern userec_t cuser;

static void friend_water(char *message, int type) { /* 群體水球 added by Ptt */
    char fpath[80], line[80], userid[IDLEN + 1];
    FILE *fp;

    setfriendfile(fpath, type);
    if ((fp = fopen(fpath, "r")))
    while(fgets(line, 80, fp)) {
        userinfo_t *uentp;
        int tuid;
        
        sscanf(line, "%s", userid);
        if((tuid = searchuser(userid)) && tuid != usernum &&
           (uentp = (userinfo_t *) search_ulist(tuid)) &&
               isvisible_uid(tuid))
        my_write(uentp->pid, message, uentp->userid, 1, NULL);
    }
    fclose(fp);
}

void friend_edit(int type) {
    char fpath[80], line[80], uident[20];
    int count, column, dirty;
    FILE *fp;
    char genbuf[200];

    if (type == FRIEND_SPECIAL)
    friend_special();
    setfriendfile(fpath, type);

    if (type == FRIEND_ALOHA || type == FRIEND_POST)
    {
    if (dashf(fpath))
    {
        sprintf(genbuf, "/bin/cp %s %s.old", fpath, fpath);
        system(genbuf);
    }
    }

    dirty = 0;
    while (1)
    {
    stand_title(friend_list[type]);
    move(0, 40);
    sprintf(line, "(名單上限:%d個人)", friend_max[type]);
    outs(line);
    count = 0;
    CreateNameList();

    if ((fp = fopen(fpath, "r")))
    {
        move(3, 0);
        column = 0;
        while (fgets(genbuf, STRLEN, fp))
        {
        if (genbuf[0] <= ' ')
            continue;
        strtok(genbuf, str_space);
        AddNameList(genbuf);
        prints("%-13s", genbuf);
        count++;
        if (++column > 5)
        {
            column = 0;
            outc('\n');
        }
        }
        fclose(fp);
    }
    getdata(1, 0, (count ?
               "(A)增加(D)刪除(E)修改(P)引入(L)詳細列出"
               "(K)刪除整個名單(W)丟水球(Q)結束？[Q]" :
               "(A)增加 (P)引入其他名單 (Q)結束？[Q]"),
        uident, 3, LCECHO);
    if (*uident == 'a')
    {
        move(1, 0);
        usercomplete(msg_uid, uident);
        if (uident[0] && searchuser(uident) && !InNameList(uident))
        {
        friend_add(uident, type);
        dirty = 1;
        }
    }
    else if (*uident == 'p')
    {
        friend_append(type, count);
        dirty = 1;
    }
    else if (*uident == 'e' && count)
    {
        move(1, 0);
        namecomplete(msg_uid, uident);
        if (uident[0] && InNameList(uident))
        {
        friend_editdesc(uident, type);
        }
    }
    else if (*uident == 'd' && count)
    {
        move(1, 0);
        namecomplete(msg_uid, uident);
        if (uident[0] && InNameList(uident))
        {
        friend_delete(uident, type);
        dirty = 1;
        }
    }
    else if (*uident == 'l' && count)
        more(fpath, YEA);
    else if (*uident == 'k' && count)
    {
        getdata(2, 0, "整份名單將會被刪除,您確定嗎 (a/N)?", uident, 3,
            LCECHO);
        if (*uident == 'a')
        unlink(fpath);
        dirty = 1;
    }
    else if (*uident == 'w' && count)
    {
        if (!getdata(0, 0, "群體水球:", uident, 60, DOECHO))
        continue;
        if (getdata(0, 0, "確定丟出群體水球? [Y]", line, 4, LCECHO) &&
        *line == 'n')
        continue;
        friend_water(uident, type);
    }
    else
        break;
    }
    if (dirty)
    {
    move(2, 0);
    outs("更新資料中..請稍候.....");
    refresh();
    if (type == FRIEND_ALOHA || type == FRIEND_POST)
    {
        sprintf(genbuf, "%s.old", fpath);
        if ((fp = fopen(genbuf, "r")))
        {
        while (fgets(line, 80, fp))
        {
            sscanf(line, "%s", uident);
            sethomefile(genbuf, uident,
              type == FRIEND_ALOHA ? "aloha" : "postnotify");
            del_distinct(genbuf, cuser.userid);
        }
        fclose(fp);
        }
        sprintf(genbuf, "%s", fpath);
        if ((fp = fopen(genbuf, "r")))
        {
        while (fgets(line, 80, fp))
        {
            sscanf(line, "%s", uident);
            sethomefile(genbuf, uident,
              type == FRIEND_ALOHA ? "aloha" : "postnotify");
            add_distinct(genbuf, cuser.userid);
        }
        fclose(fp);
        }
    }
    else if (type == FRIEND_SPECIAL)
    {
        genbuf[0] = 0;
        setuserfile(line, special_des);
        if ((fp = fopen(line, "r")))
        {
        fgets(genbuf, 30, fp);
        fclose(fp);
        }
        getdata_buf(2, 0, " 請為此特別名單取一個簡短名稱:", genbuf, 30,
            DOECHO);
        if ((fp = fopen(line, "w")))
        {
        fprintf(fp, "%s", genbuf);
        fclose(fp);
        }
    }
    friend_load();
    }
}

int t_override() {
    friend_edit(FRIEND_OVERRIDE);
    return 0;
}

int t_reject() {
    friend_edit(FRIEND_REJECT);
    return 0;
}