openNAMU__openNAMU/func.py

import email.mime.text
import urllib.request
import sqlite3
import hashlib
import smtplib
import bcrypt
import flask
import json
import html
import sys
import re
import os

if sys.version_info < (3, 6):
    import sha3

from set_mark.tool import *
from mark import *

def load_conn(data):
    global conn
    global curs

    conn = data
    curs = conn.cursor()

    load_conn2(data)

def send_email(who, title, data):
    smtp = smtplib.SMTP_SSL('smtp.gmail.com', 465)

    try:
        curs.execute('select name, data from other where name = "g_email" or name = "g_pass"')
        rep_data = curs.fetchall()
        if rep_data:
            g_email = ''
            g_pass = ''
            for i in rep_data:
                if i[0] == 'g_email':
                    g_email = i[1]
                else:
                    g_pass = i[1]

            smtp.login(g_email, g_pass)

        msg = email.mime.text.MIMEText(data)
        msg['Subject'] = title
        smtp.sendmail(g_email, who, msg.as_string())

        smtp.quit()
    except:
        print('error : email login error')

def easy_minify(data):
    data = re.sub('\n +<', '\n<', data)
    data = re.sub('>(\n| )+<', '> <', data)
    
    return data

def render_set(title = '', data = '', num = 0):
    if acl_check(title, 'render') == 1:
        return 'http request 401.3'
    else:
        curs.execute('select data from other where name = "markup"')
        markup = curs.fetchall()

        return namumark(title, data, num, markup[0][0])

def captcha_get():
    data = ''

    if custom()[2] == 0:
        curs.execute('select data from other where name = "recaptcha"')
        recaptcha = curs.fetchall()
        if recaptcha and recaptcha[0][0] != '':
            curs.execute('select data from other where name = "sec_re"')
            sec_re = curs.fetchall()
            if sec_re and sec_re[0][0] != '':
                data += recaptcha[0][0] + '<hr>'

    return data

def update():
    # v3.0.5 사용자 문서, 파일 문서, 분류 문서 영어화
    try:
        all_rep = [['사용자:', 'user:'], ['파일:', 'file:'], ['분류:', 'category:']]
        all_rep2 = ['data', 'history', 'acl', 'topic', 'back']

        test = 0

        for i in range(3):
            for j in range(6):
                if not j == 5:
                    curs.execute('select title from ' + all_rep2[j] + ' where title like ?', [all_rep[i][0] + '%'])
                else:
                    curs.execute('select link from back where link like ?', [all_rep[i][0] + '%'])

                user_rep = curs.fetchall()
                if user_rep:
                    for user_rep2 in user_rep:
                        test = 1

                        first = re.sub('^' + all_rep[i][0], all_rep[i][1], user_rep2[0])

                        if j == 0:
                            curs.execute("update data set title = ? where title = ?", [first, user_rep2[0]])
                        elif j == 1:
                            curs.execute("update history set title = ? where title = ?", [first, user_rep2[0]])
                        elif j == 2:
                            curs.execute("update acl set title = ? where title = ?", [first, user_rep2[0]])
                        elif j == 3:
                            curs.execute("update topic set title = ? where title = ?", [first, user_rep2[0]])
                        elif j == 4:
                            curs.execute("update back set title = ? where title = ?", [first, user_rep2[0]])
                        elif j == 5:
                            curs.execute("update back set link = ? where link = ?", [first, user_rep2[0]])

        if test == 1:
            print('사용자 to user, 파일 to file, 분류 to category')
    except:
        pass

def pw_encode(data, data2 = '', type_d = ''):
    if type_d == '':
        curs.execute('select data from other where name = "encode"')
        set_data = curs.fetchall()

        type_d = set_data[0][0]

    if type_d == 'sha256':
        return hashlib.sha256(bytes(data, 'utf-8')).hexdigest()
    elif type_d == 'sha3':
        if sys.version_info < (3, 6):
            return sha3.sha3_256(bytes(data, 'utf-8')).hexdigest()
        else:
            return hashlib.sha3_256(bytes(data, 'utf-8')).hexdigest()
    else:
        if data2 != '':
            salt_data = bytes(data2, 'utf-8')
        else:
            salt_data = bcrypt.gensalt(11)
            
        return bcrypt.hashpw(bytes(data, 'utf-8'), salt_data).decode()

def pw_check(data, data2, type_d = 'no', id_d = ''):
    curs.execute('select data from other where name = "encode"')
    db_data = curs.fetchall()

    if type_d != 'no':
        if type_d == '':
            set_data = 'bcrypt'
        else:
            set_data = type_d
    else:
        set_data = db_data[0][0]
    
    if set_data in ['sha256', 'sha3']:
        data3 = pw_encode(data = data, type_d = set_data)
        if data3 == data2:
            re_data = 1
        else:
            re_data = 0
    else:
        if pw_encode(data, data2, 'bcrypt') == data2:
            re_data = 1
        else:
            re_data = 0

    if db_data[0][0] != set_data and re_data == 1 and id_d != '':
        curs.execute("update user set pw = ?, encode = ? where id = ?", [pw_encode(data), db_data[0][0], id_d])

    return re_data

def captcha_post(re_data, num = 1):
    if num == 1:
        if custom()[2] == 0 and captcha_get() != '':
            curs.execute('select data from other where name = "sec_re"')
            sec_re = curs.fetchall()
            if sec_re and sec_re[0][0] != '':
                data = urllib.request.urlopen('https://www.google.com/recaptcha/api/siteverify?secret=' + sec_re[0][0] + '&response=' + re_data)
                if not data:
                    return 0
                else:
                    json_data = data.read().decode(data.headers.get_content_charset())
                    json_data = json.loads(json_data)
                    if data.getcode() == 200 and json_data['success'] == True:
                        return 0
                    else:
                        return 1
            else:
                return 0
        else:
            return 0
    else:
        pass

def load_lang(data, num = 2):
    if num == 1:
        curs.execute("select data from other where name = 'language'")
        rep_data = curs.fetchall()

        json_data = open(os.path.join('language', rep_data[0][0] + '.json'), 'rt', encoding='utf-8').read()
        lang = json.loads(json_data)

        if data in lang:
            return lang[data]
        else:
            return data + ' (missing)'
    else:
        curs.execute('select data from user_set where name = "lang" and id = ?', [ip_check()])
        rep_data = curs.fetchall()
        if rep_data:
            try:
                json_data = open(os.path.join('language', rep_data[0][0] + '.json'), 'rt', encoding='utf-8').read()
                lang = json.loads(json_data)
            except:
                return load_lang(data, 1)

            if data in lang:
                return lang[data]
            else:
                return load_lang(data, 1)
        else:
            return load_lang(data, 1)

def ip_or_user(data):
    if re.search('(\.|:)', data):
        return 1
    else:
        return 0

def edit_help_button():
    # https://stackoverflow.com/questions/11076975/insert-text-into-textarea-at-cursor-position-javascript
    js_data =   '''
                <script>
                    function insert_data(name, data) {
                        if(document.selection) { 
                            document.getElementById(name).focus();

                            sel = document.selection.createRange();
                            sel.text = data; 
                        } else if(document.getElementById(name).selectionStart || document.getElementById(name).selectionStart == '0') {
                            var startPos = document.getElementById(name).selectionStart;
                            var endPos = document.getElementById(name).selectionEnd;

                            document.getElementById(name).value = document.getElementById(name).value.substring(0, startPos) + data + document.getElementById(name).value.substring(endPos, document.getElementById(name).value.length); 
                        } else {
                            document.getElementById(name).value += data;
                        }
                    }
                </script>
                '''

    insert_list = [['[[|]]', '[[|]]'], ['[*()]', '[*()]'], ['{{{#!}}}', '{{{#!}}}'], ['||<>||', '||<>||'], ["\\'\\'\\'", "\'\'\'"]]

    data = ''
    for insert_data in insert_list:
        data += '<a href="javascript:void(0);" onclick="insert_data(\'content\', \'' + insert_data[0] + '\');">(' + insert_data[1] + ')</a> '

    return [js_data, data + '<hr>']

def ip_warring():
    if custom()[2] == 0:    
        curs.execute('select data from other where name = "no_login_warring"')
        data = curs.fetchall()
        if data and data[0][0] != '':
            text_data = '<span>' + data[0][0] + '</span><hr>'
        else:
            text_data = '<span>' + load_lang('no_login_warring') + '</span><hr>'
    else:
        text_data = ''

    return text_data

def skin_check():
    skin = './views/neo_yousoro/'

    curs.execute('select data from other where name = "skin"')
    skin_exist = curs.fetchall()
    if skin_exist and skin_exist[0][0] != '':
        if os.path.exists(os.path.abspath('./views/' + skin_exist[0][0] + '/index.html')) == 1:
            skin = './views/' + skin_exist[0][0] + '/'
    
    curs.execute('select data from user_set where name = "skin" and id = ?', [ip_check()])
    skin_exist = curs.fetchall()
    if skin_exist and skin_exist[0][0] != '':
        if os.path.exists(os.path.abspath('./views/' + skin_exist[0][0] + '/index.html')) == 1:
            skin = './views/' + skin_exist[0][0] + '/'

    return skin + 'index.html'

def next_fix(link, num, page, end = 50):
    list_data = ''

    if num == 1:
        if len(page) == end:
            list_data += '<hr><a href="' + link + str(num + 1) + '">(' + load_lang('next') + ')</a>'
    elif len(page) != end:
        list_data += '<hr><a href="' + link + str(num - 1) + '">(' + load_lang('previous') + ')</a>'
    else:
        list_data += '<hr><a href="' + link + str(num - 1) + '">(' + load_lang('previous') + ')</a> <a href="' + link + str(num + 1) + '">(' + load_lang('next') + ')</a>'

    return list_data

def other2(data):
    return data + ['']

def wiki_set(num = 1):
    if num == 1:
        data_list = []

        curs.execute('select data from other where name = ?', ['name'])
        db_data = curs.fetchall()
        if db_data and db_data[0][0] != '':
            data_list += [db_data[0][0]]
        else:
            data_list += ['wiki']

        curs.execute('select data from other where name = "license"')
        db_data = curs.fetchall()
        if db_data and db_data[0][0] != '':
            data_list += [db_data[0][0]]
        else:
            data_list += ['CC 0']

        data_list += ['', '']

        curs.execute('select data from other where name = "logo"')
        db_data = curs.fetchall()
        if db_data and db_data[0][0] != '':
            data_list += [db_data[0][0]]
        else:
            data_list += [data_list[0]]
            
        curs.execute("select data from other where name = 'head'")
        db_data = curs.fetchall()
        if db_data and db_data[0][0] != '':
            data_list += [db_data[0][0]]
        else:
            data_list += ['']

        return data_list

    if num == 2:
        var_data = 'FrontPage'

        curs.execute('select data from other where name = "frontpage"')
    elif num == 3:
        var_data = '2'

        curs.execute('select data from other where name = "upload"')
    
    db_data = curs.fetchall()
    if db_data and db_data[0][0] != '':
        return db_data[0][0]
    else:
        return var_data

def diff(seqm):
    output = []

    for opcode, a0, a1, b0, b1 in seqm.get_opcodes():
        if opcode == 'equal':
            output += [seqm.a[a0:a1]]
        elif opcode == 'insert':
            output += ["<span style='background:#CFC;'>" + seqm.b[b0:b1] + "</span>"]
        elif opcode == 'delete':
            output += ["<span style='background:#FDD;'>" + seqm.a[a0:a1] + "</span>"]
        elif opcode == 'replace':
            output += ["<span style='background:#FDD;'>" + seqm.a[a0:a1] + "</span>"]
            output += ["<span style='background:#CFC;'>" + seqm.b[b0:b1] + "</span>"]

    end = ''.join(output)
    end = end.replace('\r\n', '\n')
    sub = ''

    if not re.search('\n', end):
        end += '\n'

    num = 0
    left = 1
    while 1:
        data = re.search('((?:(?!\n).)*)\n', end)
        if data:
            data = data.groups()[0]
            
            left += 1
            if re.search('<span style=\'(?:(?:(?!\').)+)\'>', data):
                num += 1
                if re.search('<\/span>', data):
                    num -= 1

                sub += str(left) + ' : ' + re.sub('(?P<in>(?:(?!\n).)*)\n', '\g<in>', data, 1) + '<br>'
            else:
                if re.search('<\/span>', data):
                    num -= 1
                    sub += str(left) + ' : ' + re.sub('(?P<in>(?:(?!\n).)*)\n', '\g<in>', data, 1) + '<br>'
                else:
                    if num > 0:
                        sub += str(left) + ' : ' + re.sub('(?P<in>.*)\n', '\g<in>', data, 1) + '<br>'

            end = re.sub('((?:(?!\n).)*)\n', '', end, 1)
        else:
            break
            
    return sub
           
def admin_check(num, what):
    ip = ip_check() 

    curs.execute("select acl from user where id = ?", [ip])
    user = curs.fetchall()
    if user:
        reset = 0

        while 1:
            if num == 1 and reset == 0:
                check = 'ban'
            elif num == 3 and reset == 0:
                check = 'toron'
            elif num == 4 and reset == 0:
                check = 'check'
            elif num == 5 and reset == 0:
                check = 'acl'
            elif num == 6 and reset == 0:
                check = 'hidel'
            elif num == 7 and reset == 0:
                check = 'give'
            else:
                check = 'owner'

            curs.execute('select name from alist where name = ? and acl = ?', [user[0][0], check])
            if curs.fetchall():
                if what:
                    curs.execute("insert into re_admin (who, what, time) values (?, ?, ?)", [ip, what, get_time()])
                    conn.commit()

                return 1
            else:
                if reset == 0:
                    reset = 1
                else:
                    break

def ip_pas(raw_ip):
    hide = 0

    if re.search("(\.|:)", raw_ip):
        if not re.search("^" + load_lang('tool', 1) + ":", raw_ip):    
            curs.execute("select data from other where name = 'ip_view'")
            data = curs.fetchall()
            if data and data[0][0] != '':
                ip = '<span style="font-size: 75%;">' + hashlib.md5(bytes(raw_ip, 'utf-8')).hexdigest() + '</span>'

                if not admin_check('ban', None):
                    hide = 1
            else:
                ip = raw_ip
        else:
            ip = raw_ip
            hide = 1
    else:
        curs.execute("select title from data where title = ?", ['user:' + raw_ip])
        if curs.fetchall():
            ip = '<a href="/w/' + url_pas('user:' + raw_ip) + '">' + raw_ip + '</a>'
        else:
            ip = '<a id="not_thing" href="/w/' + url_pas('user:' + raw_ip) + '">' + raw_ip + '</a>'
         
    if hide == 0:
        ip += ' <a href="/tool/' + url_pas(raw_ip) + '">(' + load_lang('tool') + ')</a>'

    return ip

def custom():
    if 'head' in flask.session:
        user_head = flask.session['head']
    else:
        user_head = ''

    if 'state' in flask.session and flask.session['state'] == 1:
        curs.execute('select name from alarm where name = ? limit 1', [ip_check()])
        if curs.fetchall():
            user_icon = 2
        else:
            user_icon = 1
    else:
        user_icon = 0

    if user_icon != 0:
        curs.execute('select data from user_set where name = "email" and id = ?', [ip_check()])
        data = curs.fetchall()
        if data:
            email = data[0][0]
        else:
            email = ''
    else:
        email = ''

    if user_icon != 0:
        user_name = ip_check()
    else:
        user_name = load_lang('user')

    return ['', '', user_icon, user_head, email, user_name, load_lang(data = '', num = 2)]

def load_skin(data = ''):
    div2 = ''
    system_file = ['main_css', 'easter_egg.html']

    if data == '':
        ip = ip_check()

        curs.execute('select data from user_set where name = "skin" and id = ?', [ip])
        data = curs.fetchall()
        for skin_data in os.listdir(os.path.abspath('views')):
            if not skin_data in system_file:
                if not data:
                    curs.execute('select data from other where name = "skin"')
                    sql_data = curs.fetchall()
                    if sql_data and sql_data[0][0] == skin_data:
                        div2 = '<option value="' + skin_data + '">' + skin_data + '</option>' + div2
                    else:
                        div2 += '<option value="' + skin_data + '">' + skin_data + '</option>'
                elif data[0][0] == skin_data:
                    div2 = '<option value="' + skin_data + '">' + skin_data + '</option>' + div2
                else:
                    div2 += '<option value="' + skin_data + '">' + skin_data + '</option>'
    else:
        for skin_data in os.listdir(os.path.abspath('views')):
            if not skin_data in system_file:
                if data == skin_data:
                    div2 = '<option value="' + skin_data + '">' + skin_data + '</option>' + div2
                else:
                    div2 += '<option value="' + skin_data + '">' + skin_data + '</option>'

    return div2

def acl_check(name, tool = ''):
    ip = ip_check()
    
    if tool == 'render':
        curs.execute("select view from acl where title = ?", [name])
        acl_data = curs.fetchall()
        if acl_data:
            if acl_data[0][0] == 'user':
                if not user_data:
                    return 1

            if acl_data[0][0] == 'admin':
                if not user_data:
                    return 1

                if not admin_check(5, 'view (' + name + ')') == 1:
                    return 1

        return 0
    else:
        if ban_check() == 1:
            return 1

        acl_c = re.search("^user:([^/]*)", name)
        if acl_c:
            acl_n = acl_c.groups()

            if admin_check(5, None) == 1:
                return 0

            curs.execute("select dec from acl where title = ?", ['user:' + acl_n[0]])
            acl_data = curs.fetchall()
            if acl_data:
                if acl_data[0][0] == 'all':
                    return 0

                if acl_data[0][0] == 'user' and not re.search("(\.|:)", ip):
                    return 0

                if ip != acl_n[0] or re.search("(\.|:)", ip):
                    return 1
            
            if ip == acl_n[0] and not re.search("(\.|:)", ip) and not re.search("(\.|:)", acl_n[0]):
                return 0
            else:
                return 1

        file_c = re.search("^file:(.*)", name)
        if file_c and admin_check(5, 'edit (' + name + ')') != 1:
            return 1

        curs.execute("select acl from user where id = ?", [ip])
        user_data = curs.fetchall()

        curs.execute("select dec from acl where title = ?", [name])
        acl_data = curs.fetchall()
        if acl_data:
            if acl_data[0][0] == 'user':
                if not user_data:
                    return 1

            if acl_data[0][0] == 'admin':
                if not user_data:
                    return 1

                if not admin_check(5, 'edit (' + name + ')') == 1:
                    return 1

        curs.execute('select data from other where name = "edit"')
        set_data = curs.fetchall()
        if set_data:
            if set_data[0][0] == 'login':
                if not user_data:
                    return 1

            if set_data[0][0] == 'admin':
                if not user_data:
                    return 1

                if not admin_check(5, None) == 1:
                    return 1

        return 0

def ban_check(ip = None, tool = None):
    if not ip:
        ip = ip_check()

    band = re.search("^([0-9]{1,3}\.[0-9]{1,3})", ip)
    if band:
        band_it = band.groups()[0]
    else:
        band_it = '-'
    
    curs.execute("select end, login from ban where block = ?", [band_it])
    band_d = curs.fetchall()
    
    curs.execute("select end, login from ban where block = ?", [ip])
    ban_d = curs.fetchall()
    
    data = band_d or ban_d
    if data and (data[0][0] == '' or data[0][0] > get_time()):
        if tool and tool == 'login':                    
            if data[0][1] == 'O':
                return 0
                
        return 1

    return 0
        
def topic_check(name, sub):
    ip = ip_check()

    if ban_check() == 1:
        return 1
        
    curs.execute("select acl from user where id = ?", [ip])
    user_data = curs.fetchall()

    curs.execute('select data from other where name = "discussion"')
    acl_data = curs.fetchall()
    if acl_data:
        if acl_data[0][0] == 'login':
            if not user_data:
                return 1

        if acl_data[0][0] == 'admin':
            if not user_data:
                return 1

            if not admin_check(3, 'topic (' + name + ')') == 1:
                return 1

    curs.execute("select dis from acl where title = ?", [name])
    acl_data = curs.fetchall()
    if acl_data:
        if acl_data[0][0] == 'user':
            if not user_data:
                return 1

        if acl_data[0][0] == 'admin':
            if not user_data:
                return 1

            if not admin_check(3, 'topic (' + name + ')') == 1:
                return 1
        
    curs.execute("select title from stop where title = ? and sub = ?", [name, sub])
    if curs.fetchall():
        if not admin_check(3, 'topic (' + name + ')') == 1:
            return 1

    return 0

def ban_insert(name, end, why, login, blocker):
    now_time = get_time()

    if re.search("^([0-9]{1,3}\.[0-9]{1,3})$", name):
        band = 'O'
    else:
        band = ''

    curs.execute("select block from ban where block = ?", [name])
    if curs.fetchall():
        curs.execute("insert into rb (block, end, today, blocker, why, band) values (?, ?, ?, ?, ?, ?)", [name, load_lang('release', 1), now_time, blocker, '', band])
        curs.execute("delete from ban where block = ?", [name])
    else:
        if login != '':
            login = 'O'
        else:
            login = ''

        if end != '0':
            time = datetime.datetime.now()
            plus = datetime.timedelta(seconds = int(end))
            r_time = (time + plus).strftime("%Y-%m-%d %H:%M:%S")
        else:
            r_time = ''

        curs.execute("insert into rb (block, end, today, blocker, why, band) values (?, ?, ?, ?, ?, ?)", [name, r_time, now_time, blocker, why, band])
        curs.execute("insert into ban (block, end, why, band, login) values (?, ?, ?, ?, ?)", [name, r_time, why, band, login])
    
    conn.commit()

def rd_plus(title, sub, date):
    curs.execute("select title from rd where title = ? and sub = ?", [title, sub])
    if curs.fetchall():
        curs.execute("update rd set date = ? where title = ? and sub = ?", [date, title, sub])
    else:
        curs.execute("insert into rd (title, sub, date) values (?, ?, ?)", [title, sub, date])

def history_plus(title, data, date, ip, send, leng):
    curs.execute("select id from history where title = ? order by id + 0 desc limit 1", [title])
    id_data = curs.fetchall()
    if id_data:
        curs.execute("insert into history (id, title, data, date, ip, send, leng, hide) values (?, ?, ?, ?, ?, ?, ?, '')", [str(int(id_data[0][0]) + 1), title, data, date, ip, send, leng])
    else:
        curs.execute("insert into history (id, title, data, date, ip, send, leng, hide) values ('1', ?, ?, ?, ?, ?, ?, '')", [title, data, date, ip, send + ' (' + load_lang('new', 1) + ' ' + load_lang('document', 1) + ')', leng])

def leng_check(first, second):
    if first < second:
        all_plus = '+' + str(second - first)
    elif second < first:
        all_plus = '-' + str(first - second)
    else:
        all_plus = '0'
        
    return all_plus

def edit_filter_do(data):
    if admin_check(1, 'edit_filter pass') != 1:
        curs.execute("select regex, sub from filter")
        for data_list in curs.fetchall():
            match = re.compile(data_list[0])
            if match.search(data):
                ban_insert(
                    ip_check(), 
                    '0' if data_list[1] == 'X' else data_list[1], 
                    load_lang('edit', 1) + ' ' + load_lang('filter', 1), 
                    None, 
                    load_lang('tool', 1) + ':' + load_lang('edit', 1) + ' ' + load_lang('filter', 1)
                )
                
                return 1
    
    return 0

def redirect(data):
    return flask.redirect(data)

def re_error(data):
    conn.commit()
    
    if data == '/ban':
        ip = ip_check()

        end = '<li>' + load_lang('why') + ' : ' + load_lang('authority_error') + '</li>'

        if ban_check() == 1:
            curs.execute("select end, why from ban where block = ?", [ip])
            end_data = curs.fetchall()
            if not end_data:
                match = re.search("^([0-9]{1,3}\.[0-9]{1,3})", ip)
                if match:
                    curs.execute("select end, why from ban where block = ?", [match.groups()[0]])
                    end_data = curs.fetchall()
            
            if end_data:
                end = '<li>' + load_lang('state') + ' : ' + load_lang('ban') + '</li><li>'

                if end_data[0][0]:
                    now = int(re.sub('(\-| |:)', '', get_time()))
                    day = int(re.sub('(\-| |:)', '', end_data[0][0]))
                    
                    if now >= day:
                        curs.execute("delete from ban where block = ?", [ip])
                        conn.commit()

                        end += '<script>location.reload();</script>'
                    else:
                        end += 'end : ' + end_data[0][0]
                else:
                    end += load_lang('limitless')
                
                end += '</li>'

                if end_data[0][1] != '':
                    end += '<li>' + load_lang('why') + ' : ' + end_data[0][1] + '</li>'

        return easy_minify(flask.render_template(skin_check(), 
            imp = ['error', wiki_set(1), custom(), other2([0, 0])],
            data = '<h2>error</h2><ul>' + end + '</ul>',
            menu = 0
        ))
    else:
        error_data = re.search('\/error\/([0-9]+)', data)
        if error_data:
            num = int(error_data.groups()[0])
            if num == 1:
                data = load_lang('no_login_error')
            elif num == 2:
                data = load_lang('no_exist_user_error')
            elif num == 3:
                data = load_lang('authority_error')
            elif num == 4:
                data = load_lang('no_admin_block_error')
            elif num == 5:
                data = load_lang('skin_error')
            elif num == 6:
                data = load_lang('same_id_exist_error')
            elif num == 7:
                data = load_lang('long_id_error')
            elif num == 8:
                data = load_lang('id_char_error')
            elif num == 9:
                data = load_lang('file_exist_error')
            elif num == 10:
                data = load_lang('password_error')
            elif num == 13:
                data = load_lang('recaptcha_error')
            elif num == 14:
                data = load_lang('file_extension_error')
            elif num == 15:
                data = load_lang('edit_record_error')
            elif num == 16:
                data = load_lang('same_file_error')
            elif num == 17:
                data = load_lang('file_capacity_error') + ' ' + wiki_set(3)
            elif num == 19:
                data = load_lang('decument_exist_error')
            elif num == 20:
                data = load_lang('password_diffrent_error')
            elif num == 21:
                data = load_lang('edit_filter_error')
            elif num == 22:
                data = load_lang('file_name_error')
            else:
                data = '???'

            return easy_minify(flask.render_template(skin_check(), 
                imp = ['error', wiki_set(1), custom(), other2([0, 0])],
                data = '<h2>error</h2><ul><li>' + data + '</li></ul>',
                menu = 0
            ))
        else:
            return redirect('/')