#coding: utf-8
#-------------------------------------------------------------------
# aaPanel
#-------------------------------------------------------------------
# Copyright (c) 2015-2020 aaPanel(www.aapanel.com) All rights reserved.
#-------------------------------------------------------------------
# Author: zhwen <[email protected]>
#-------------------------------------------------------------------

#------------------------------
# 禁止某个目录运行PHP
#------------------------------
import public,re,os,json,shutil
from public.validate import Param

class FileExecuteDeny:

    def _init_conf(self,website):
        self.ng_website_conf = '/www/server/panel/vhost/nginx/{}.conf'.format(website)
        self.ap_website_conf = '/www/server/panel/vhost/apache/{}.conf'.format(website)
        self.ols_website_conf = '/www/server/panel/vhost/openlitespeed/detail/{}.conf'.format(website)
        self.webserver = public.get_webserver()

    # 获取某个网站禁止运行的目录规则
    def get_file_deny(self,args):
        '''
        # 添加某个网站禁止运行PHP
        author: zhwen<[email protected]>
        :param args: website 网站名 str
        :return:
        '''
        # 校验参数
        try:
            get=args
            get.validate([
                Param('website').String(),
            ], [
                public.validate.trim_filter(),
            ])
        except Exception as ex:
            public.print_log("error info: {}".format(ex))
            return public.return_message(-1, 0, str(ex))

        self._init_conf(args.website)
        if self.webserver == 'nginx':
            data=self._get_nginx_file_deny()
        elif self.webserver == 'apache':
            data = self._get_apache_file_deny()
        else:
            data = self._get_ols_file_deny()
        return public.return_message(0,0,data)

    def _get_nginx_file_deny(self):
        conf = public.readFile(self.ng_website_conf)
        if not conf:
            return False
        data = re.findall('BEGIN_DENY_.*',conf)
        deny_name = []
        for i in data:
            tmp = i.split('_')
            if len(tmp) > 2:
                deny_name.append('_'.join(tmp[2:]))
            else:
                deny_name.append(tmp[-1])
        result = []
        for i in deny_name:
            reg = '#BEGIN_DENY_{}\n\\s*location\\s*\\~\\*\\s*\\^(.*)\\.\\*.*\\((.*)\\)\\$'.format(i.replace("|",r"\|"))
            re_tmp = re.search(reg,conf)
            if re_tmp:
                deny_directory = re_tmp.groups()[0]
                deny_suffix = re_tmp.groups()[1]
                result.append({'name':i,'dir':deny_directory,'suffix':deny_suffix})
        return result

    def _get_apache_file_deny(self):
        conf = public.readFile(self.ap_website_conf)
        if not conf:
            return False
        data = re.findall('BEGIN_DENY_.*',conf)
        deny_name = []
        for i in data:
            tmp = i.split('_')
            if len(tmp) > 2:
                deny_name.append('_'.join(tmp[2:]))
            else:
                deny_name.append(tmp[-1])
        result = []
        for i in deny_name:
            reg = '#BEGIN_DENY_{}\n\\s*<Directory\\s*\\~\\s*"(.*)\\.\\*.*\\((.*)\\)\\$'.format(i.replace("|",r"\|"))
            deny_directory = re.search(reg,conf).groups()[0]
            deny_suffix = re.search(reg,conf).groups()[1]
            result.append({'name':i,'dir':deny_directory,'suffix':deny_suffix})
        return result

    def _get_ols_file_deny(self):
        conf = public.readFile(self.ols_website_conf)
        if not conf:
            return False
        data = re.findall('BEGIN_DENY_.*',conf)
        deny_name = []
        for i in data:
            tmp = i.split('_')
            if len(tmp) > 2:
                deny_name.append('_'.join(tmp[2:]))
            else:
                deny_name.append(tmp[-1])
        result = []
        for i in deny_name:
            reg = '#BEGIN_DENY_{}\n\\s*rules\\s*RewriteRule\\s*\\^(.*)\\.\\*.*\\((.*)\\)\\$'.format(i.replace("|",r"\|"))
            deny_directory = re.search(reg, conf).groups()[0]
            deny_suffix = re.search(reg,conf).groups()[1]
            result.append({'name':i,'dir':deny_directory,'suffix':deny_suffix})
        return result

    def set_file_deny(self,args):
        '''
        # 添加某个网站禁止运行PHP
        author: zhwen<[email protected]>
        :param args: website 网站名 str
        :param args: deny_name 规则名称 str
        :param args: suffix 禁止访问的后续名 str
        :param args: dir 禁止访问的目录 str
        :param args: deny_name 规则名称
        :param args: act 操作方法
        :return:
        '''
        # 校验参数
        try:
            get=args
            get.validate([
                Param('deny_name').String(),
                Param('suffix').String(),
                Param('dir').String(),
                Param('act').String(),
                Param('website').String(),

            ], [
                public.validate.trim_filter(),
            ])
        except Exception as ex:
            public.print_log("error info: {}".format(ex))
            return public.return_message(-1, 0, str(ex))

        tmp = self._check_args(args)
        if tmp:
            return tmp
        deny_name = args.deny_name
        if not re.match(r"^\w+$",deny_name): return public.return_message(-1, 0, public.lang("The rule name can only be composed of letters, numbers, and underscores!"))
        dir = args.dir
        suffix = args.suffix
        website = args.website
        if suffix[-1] == "|":
            suffix = suffix[:-1]
        self._init_conf(website)
        conf = public.readFile(self.ng_website_conf)
        if not conf:
            return public.return_message(-1,0,False)
        data = re.findall('BEGIN_DENY_.*',conf)
        exist_deny_name = [i.split('_')[-1] for i in data]
        if args.act == 'edit':
            if deny_name not in exist_deny_name:
                return public.return_message(-1, 0, public.lang("The specify rule name is not exists! [ {} ]", deny_name))
            self.del_file_deny(args)
        else:
            if deny_name in exist_deny_name:
                return public.return_message(-1, 0, public.lang("The specify rule name is already exists! [ {} ]", deny_name))
        self._set_nginx_file_deny(deny_name,dir,suffix)
        self._set_apache_file_deny(deny_name,dir,suffix)
        self._set_ols_file_deny(deny_name,dir,suffix)
        public.serviceReload()
        return public.return_message(0, 0, public.lang("Setup successfully!"))

    def _set_nginx_file_deny(self,name,dir=None,suffix=None):
        conf = public.readFile(self.ng_website_conf)
        if not conf:
            return False
        if not dir and not suffix:
            reg = '\\s*#BEGIN_DENY_{n}\n(.|\n)*#END_DENY_{n}\n'.format(n=name)
            conf = re.sub(reg,'',conf)
        else:
            if dir[0] != '/':dir = '/'+dir
            if dir[-1] != '/':dir = dir+'/'
            new = '''
    #BEGIN_DENY_%s
    location ~* ^%s.*.(%s)$ {
        deny all;
    }
    #END_DENY_%s
''' %  (name,dir,suffix,name)
            if '#BEGIN_DENY_{}\n'.format(name) in conf:
                return True
            conf = re.sub('#ERROR-PAGE-END','#ERROR-PAGE-END'+new,conf)
        public.writeFile(self.ng_website_conf,conf)
        return True

    def _set_apache_file_deny(self,name,dir=None,suffix=None):
        conf = public.readFile(self.ap_website_conf)
        if not conf:
            return False
        if not dir and not suffix:
            reg = '\\s*#BEGIN_DENY_{n}\n(.|\n)*#END_DENY_{n}'.format(n=name)
            conf = re.sub(reg,'',conf)
        else:
            if dir[0] != '/':dir = '/'+dir
            if dir[-1] != '/':dir = dir+'/'
            new = r'''
    #BEGIN_DENY_{n}
        <Directory ~ "{d}.*\.({s})$">
          Order allow,deny
          Deny from all
        </Directory>
    #END_DENY_{n}
'''.format(n=name,d=dir,s=suffix)
            if '#BEGIN_DENY_{}'.format(name) in conf:
                return True
            conf = re.sub(r'#DENY\s*FILES',new+'\n    #DENY FILES',conf)
        public.writeFile(self.ap_website_conf,conf)
        return True

    def _set_ols_file_deny(self,name,dir=None,suffix=None):
        conf = public.readFile(self.ols_website_conf)
        if not conf:
            return False
        if not dir and not suffix:
            reg = '#BEGIN_DENY_{n}\n(.|\n)*#END_DENY_{n}\\s*'.format(n=name)
            conf = re.sub(reg,'',conf)
        else:
            new = r'''
  #BEGIN_DENY_{n}
    rules                   RewriteRule ^{d}.*\.({s})$ - [F,L]
  #END_DENY_{n}
'''.format(n=name,d=dir,s=suffix)
            if '#BEGIN_DENY_{}'.format(name) in conf:
                return True
            conf = re.sub(r'autoLoadHtaccess\s*1','autoLoadHtaccess        1'+new,conf)
        public.writeFile(self.ols_website_conf,conf)
        return True

    # 删除某个网站禁止运行PHP
    def del_file_deny(self,args):
        '''
        # 添加某个网站禁止运行PHP
        author: zhwen<[email protected]>
        :param args: website 网站名 str
        :param args: deny_name 规则名称 str
        :return:
        '''
        # 校验参数
        try:
            get=args
            get.validate([
                Param('deny_name').String(),
                Param('website').String(),
            ], [
                public.validate.trim_filter(),
            ])
        except Exception as ex:
            public.print_log("error info: {}".format(ex))
            return public.return_message(-1, 0, str(ex))

        self._init_conf(args.website)
        deny_name = args.deny_name
        self._set_nginx_file_deny(deny_name)
        self._set_apache_file_deny(deny_name)
        self._set_ols_file_deny(deny_name)
        public.serviceReload()
        return public.return_message(0, 0, public.lang("Successfully deleted!"))

    # 检查传入参数
    def _check_args(self,args):
        if hasattr(args,'deny_name'):
            if len(args.deny_name) < 3:
                return public.return_message(-1, 0, public.lang("Rule name needs to be greater than 3 bytes"))
        if hasattr(args,'suffix'):
            if not args.suffix:
                return public.return_message(-1, 0, public.lang("File suffix cannot be empty"))
        if hasattr(args,'dir'):
            if not args.dir:
                return public.return_message(-1, 0, public.lang("Directory cannot be empty"))