path: root/mbbsd/friend.c

/* $Id$ */
#include "bbs.h"

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

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

/* 特別名單的上限 */
static const unsigned int friend_max[8] = {
    MAX_FRIEND,     /* FRIEND_OVERRIDE */
    MAX_REJECT,     /* FRIEND_REJECT   */
    MAX_LOGIN_INFO, /* FRIEND_ALOHA    */
    MAX_POST_INFO,  /* FRIEND_POST     */
    MAX_NAMELIST,   /* FRIEND_SPECIAL  */
    MAX_FRIEND,     /* FRIEND_CANVOTE  */
    MAX_FRIEND,     /* BOARD_WATER     */
    MAX_FRIEND,     /* BOARD_VISABLE   */
};
/* 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 各種特別名單的補述 */
static char    * const 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    * const 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"
};

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]);
}

inline static int
friend_count(const char *fname)
{
    return file_count_line(fname);
}

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

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

    if ((uident[0] > ' ') && !belong(fpath, uident)) {
    char            buf[40] = "", buf2[256];
    char            t_uident[IDLEN + 1];

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

    if (type != FRIEND_ALOHA && type != FRIEND_POST){
           if(!des)
        getdata(2, 0, friend_desc[type], buf, sizeof(buf), DOECHO);
           else
        getdata_str(2, 0, friend_desc[type], buf, sizeof(buf), DOECHO, des);
    }

        sprintf(buf2, "%-13s%s\n", t_uident, buf);
        file_append_line(fpath, buf2);
    }
}

void
friend_special(void)
{
    char            genbuf[70], i, fname[70];
    FILE           *fp;
    friend_file[FRIEND_SPECIAL] = special_list;
    for (i = 0; i <= 9; i++) {
    snprintf(genbuf, sizeof(genbuf), "  (" ANSI_COLOR(36) "%d" ANSI_RESET ")  .. ", i);
    special_des[5] = i + '0';
    setuserfile(fname, special_des);
    if( (fp = fopen(fname, "r")) != NULL ){
        fgets(genbuf + 15, 40, fp);
        genbuf[47] = 0;
        fclose(fp);
    }
    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;
    char        myboard[IDLEN+1] = "";
    int         boardChanged = 0;

    setfriendfile(fpath, type);

    if (currboard && *currboard) 
    strcpy(myboard, currboard);

    do {
    move(2, 0);
    clrtobot();
    outs("要引入哪一個名單?\n");
    for (j = i = 0; i <= 4; i++)
        if (i != type) {
        ++j;
        prints("  (%d) %-s\n", j, friend_list[(int)i]);
        }
    if (HasUserPerm(PERM_SYSOP) || currmode & MODE_BOARD)
        for (; i < 8; ++i)
        if (i != type) {
            ++j;
            prints("  (%d) %s 板的 %s\n", j, currboard,
                 friend_list[(int)i]);
        }
    if (HasUserPerm(PERM_SYSOP))
        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 (HasUserPerm(PERM_SYSOP) && buf[0] == 's')
    {
        Select();
        boardChanged = 1;
    }

    j = buf[0] - '1';
    if (j >= type)
        j++;
    if (!(HasUserPerm(PERM_SYSOP) || currmode & MODE_BOARD) && j >= 5)
    {
        if (boardChanged)
        enter_board(myboard);
       return;
    }
    } while (buf[0] < '1' || buf[0] > '9');

    if (j == FRIEND_SPECIAL)
    friend_special();

    setfriendfile(sfile, j);

    if ((fp = fopen(sfile, "r")) != NULL) {
    while (fgets(buf, 80, fp) && (unsigned)count <= friend_max[type]) {
        char            the_id[IDLEN + 1];

        sscanf(buf, "%" toSTR(IDLEN) "s", the_id);
        if (!file_exist_record(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);
    }
    if (boardChanged)
    enter_board(myboard);
}

static int
delete_friend_from_file(const char *file, const char *string, int  case_sensitive)
{
    FILE *fp = NULL, *nfp = NULL;
    char fnew[PATHLEN];
    char genbuf[STRLEN + 1];
    int ret = 0;

    sprintf(fnew, "%s.%3.3X", file, (unsigned int)(random() & 0xFFF));
    if ((fp = fopen(file, "r")) && (nfp = fopen(fnew, "w"))) {
    while (fgets(genbuf, sizeof(genbuf), fp))
        if ((genbuf[0] > ' ')) {
        char buf[32];
        sscanf(genbuf, " %s", buf);
        if (((case_sensitive && strcmp(buf, string)) ||
            (!case_sensitive && strcasecmp(buf, string))))
                fputs(genbuf, nfp);
        else
            ret = 1;
        }
    Rename(fnew, file);
    }
    if(fp)
    fclose(fp);
    if(nfp)
    fclose(nfp);
    return ret;
}

void
friend_delete(const char *uident, int type)
{
    char            fn[80];
    setfriendfile(fn, type);
    delete_friend_from_file(fn, uident, 0);
}

static void
delete_user_friend(const char *uident, const char *thefriend, int type)
{
    char fn[PATHLEN];
    sethomefile(fn, uident, "aloha");
    delete_friend_from_file(fn, thefriend, 0);
}

void
friend_delete_all(const char *uident, int type)
{
    char buf[80], line[80];
    FILE *fp;

    sethomefile(buf, uident, friend_file[type]);

    if ((fp = fopen(buf, "r")) == NULL)
    return;

    while (fgets(line, sizeof(line), fp)) {
    sscanf(line, "%s", buf);
    delete_user_friend(buf, uident, type);
    }

    fclose(fp);
}

static void
friend_editdesc(const char *uident, int type)
{
    FILE           *fp=NULL, *nfp=NULL;
    char            fnnew[200], genbuf[STRLEN], fn[200];
    setfriendfile(fn, type);
    snprintf(fnnew, sizeof(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);
        }
    }
    Rename(fnnew, fn);
    }
    if(fp)
    fclose(fp);
    if(nfp)
    fclose(nfp);
}

inline void friend_load_real(int tosort, int maxf,
                 short *destn, int *destar, const char *fn)
{
    char    genbuf[200];
    FILE    *fp;
    short   nFriends = 0;
    int     uid, *tarray;
    char *p;

    setuserfile(genbuf, fn);
    if( (fp = fopen(genbuf, "r")) == NULL ){
    destar[0] = 0;
    if( destn )
        *destn = 0;
    }
    else{
    char *strtok_pos;
    tarray = (int *)malloc(sizeof(int) * maxf);
    --maxf; /* 因為最後一個要填 0, 所以先扣一個回來 */
    while( fgets(genbuf, STRLEN, fp) && nFriends < maxf )
        if( (p = strtok_r(genbuf, str_space, &strtok_pos)) &&
        (uid = searchuser(p, NULL)) )
        tarray[nFriends++] = uid;
    fclose(fp);

    if( tosort )
        qsort(tarray, nFriends, sizeof(int), cmp_int);
    if( destn )
        *destn = nFriends;
    tarray[nFriends] = 0;
    memcpy(destar, tarray, sizeof(int) * (nFriends + 1));
    free(tarray);
    }
}

/* type == 0 : load all */
void friend_load(int type)
{
    if (!type || type & FRIEND_OVERRIDE)
    friend_load_real(1, MAX_FRIEND, &currutmp->nFriends,
             currutmp->myfriend, fn_overrides);

    if (!type || type & FRIEND_REJECT)
    friend_load_real(0, MAX_REJECT, NULL, currutmp->reject, fn_reject);

    if (currutmp->friendtotal)
    logout_friend_online(currutmp);

    login_friend_online();
}

static void
friend_water(const 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, "%" toSTR(IDLEN) "s", userid);
        if ((tuid = searchuser(userid, NULL)) && tuid != usernum &&
        (uentp = (userinfo_t *) search_ulist(tuid)) &&
        isvisible_uid(tuid))
        my_write(uentp->pid, message, uentp->userid, WATERBALL_PREEDIT, NULL);
    }
    fclose(fp);
    }
}

void
friend_edit(int type)
{
    char            fpath[80], line[80], uident[IDLEN + 1];
    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,"%s.old",fpath);
            Copy(fpath, genbuf);
    }
    }
    dirty = 0;
    while (1) {
    stand_title(friend_list[type]);
    /* TODO move (0, 40) just won't really work as it hints.
     * The ANSI secapes will change x coordinate. */
    move(0, 40);
    prints("(名單上限: %d 人)", friend_max[type]);
    count = 0;
    CreateNameList();

    if ((fp = fopen(fpath, "r"))) {
        move(3, 0);
        column = 0;
        while (fgets(genbuf, STRLEN, fp)) {
        char *space;
        if (genbuf[0] <= ' ')
            continue;
        space = strpbrk(genbuf, str_space);
        if (space) *space = '\0';
        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[0] == 'a') {
        move(1, 0);
        usercomplete(msg_uid, uident);
        if (uident[0] && searchuser(uident, uident) && !InNameList(uident)) {
        friend_add(uident, type, NULL);
        dirty = 1;
        }
    } else if (uident[0] == 'p') {
        friend_append(type, count);
        dirty = 1;
    } else if (uident[0] == 'e' && count) {
        move(1, 0);
        namecomplete(msg_uid, uident);
        if (uident[0] && InNameList(uident)) {
        friend_editdesc(uident, type);
        }
    } else if (uident[0] == 'd' && count) {
        move(1, 0);
        namecomplete(msg_uid, uident);
        if (uident[0] && InNameList(uident)) {
        friend_delete(uident, type);
        dirty = 1;
        }
    } else if (uident[0] == 'l' && count)
        more(fpath, YEA);
    else if (uident[0] == 'k' && count) {
        getdata(2, 0, "刪除整份名單,確定嗎 (a/N)?", uident, 3,
            LCECHO);
        if (uident[0] == 'a')
        unlink(fpath);
        dirty = 1;
    } else if (uident[0] == 'w' && count) {
        char            wall[60];
        if (!getdata(0, 0, "群體水球:", wall, sizeof(wall), DOECHO))
        continue;
        if (getdata(0, 0, "確定丟出群體水球? [Y]", line, 4, LCECHO) &&
        *line == 'n')
        continue;
        friend_water(wall, 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) {
        snprintf(genbuf, sizeof(genbuf), "%s.old", fpath);
        if ((fp = fopen(genbuf, "r"))) {
        while (fgets(line, 80, fp)) {
            sscanf(line, "%" toSTR(IDLEN) "s", uident);
            sethomefile(genbuf, uident,
                 type == FRIEND_ALOHA ? "aloha" : "postnotify");
            del_distinct(genbuf, cuser.userid, 0);
        }
        fclose(fp);
        }
        strlcpy(genbuf, fpath, sizeof(genbuf));
        if ((fp = fopen(genbuf, "r"))) {
        while (fgets(line, 80, fp)) {
            sscanf(line, "%" toSTR(IDLEN) "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"))) {
        fputs(genbuf, fp);
        fclose(fp);
        }
    } else if (type == BOARD_WATER) {
        boardheader_t *bp = NULL;
        currbid = getbnum(currboard);
        assert(0<=currbid-1 && currbid-1<MAX_BOARD);
        bp = getbcache(currbid);
        bp->perm_reload = now;
        assert(0<=currbid-1 && currbid-1<MAX_BOARD);
        substitute_record(fn_board, bp, sizeof(boardheader_t), currbid);
        // log_usies("SetBoard", bp->brdname);
    }
    friend_load(0);
    }
}

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

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

int
t_fix_aloha()
{
    char xid[IDLEN+1] = "";
    char fn[PATHLEN] = "";

    clear();
    stand_title("修正上站通知");

    outs("\n\n▲如果你遇到有人沒在你的上站通知名單內但又會一直丟水球給你，\n"
    "  請輸入他的 ID。\n\n");
    
    move(1, 0);
    usercomplete("有誰不在名單內又會送上站通知給您呢？ ", xid);

    if (!xid[0])
    {
    vmsg("修正結束。");
    return 0;
    }

    // check by xid
    move(5, 0);
    outs("檢查中...\n");

    // xid in my override list?
    setuserfile(fn, "alohaed");
    if (belong(fn, xid))
    {
    prints(ANSI_COLOR(1;32) "[%s] 確實在你的上站通知名單內。"
        "請編輯 [上站通知名單]。" ANSI_RESET "\n", xid);
    vmsg("不需修正。");
    return 0;
    }

    sethomefile(fn, xid, "aloha");
    if (delete_friend_from_file(fn, cuser.userid, 0))
    {
    outs(ANSI_COLOR(1;33) "已找到錯誤並修復完成。" ANSI_RESET "\n");
    } else {
    outs(ANSI_COLOR(1;31) "找不到錯誤... 打錯 ID 了？" ANSI_RESET "\n");
    }

    vmsg("若上站通知錯誤仍持續發生請通知站方處理。");
    return 0;
}