#coding: utf-8
#-------------------------------------------------------------------
# YakPanel
#-------------------------------------------------------------------
# Copyright (c) 2015-2020 YakPanel(www.yakpanel.com) All rights reserved.
#-------------------------------------------------------------------
# Author: zhwen <zhw@yakpanel.com>
#-------------------------------------------------------------------

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

class PhpExecuteDeny:

    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_php_deny(self,args):
        '''
        # 添加某个网站禁止运行PHP
        author: zhwen<zhw@yakpanel.com>
        :param args: website 网站名 str
        :return:
        '''
        self._init_conf(args.website)
        if self.webserver == 'nginx':
            data=self._get_nginx_php_deny()
        elif self.webserver == 'apache':
            data = self._get_apache_php_deny()
        else:
            data = self._get_ols_php_deny()
        return data

    def _get_nginx_php_deny(self):
        conf = public.readFile(self.ng_website_conf)
        if not conf:
            return False
        data = re.findall('BEGIN_DENY_.*',conf)
        deny_name = [i.split('_')[-1] for i in data]
        result = []
        for i in deny_name:
            reg = '#BEGIN_DENY_{}\n\\s*location\\s*\\~\\*\\s*\\^(.*)\\.\\*.*\\((.*)\\)\\$'.format(i)
            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_apache_php_deny(self):
        conf = public.readFile(self.ap_website_conf)
        if not conf:
            return False
        data = re.findall('BEGIN_DENY_.*',conf)
        deny_name = [i.split('_')[-1] for i in data]
        result = []
        for i in deny_name:
            reg = '#BEGIN_DENY_{}\n\\s*<Directory\\s*\\~\\s*"(.*)\\.\\*.*\\((.*)\\)\\$'.format(i)
            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_php_deny(self):
        conf = public.readFile(self.ols_website_conf)
        if not conf:
            return False
        data = re.findall('BEGIN_DENY_.*',conf)
        deny_name = [i.split('_')[-1] for i in data]
        result = []
        for i in deny_name:
            reg = '#BEGIN_DENY_{}\n\\s*rules\\s*RewriteRule\\s*\\^(.*)\\.\\*.*\\((.*)\\)\\$'.format(i)
            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_php_deny(self,args):
        '''
        # 添加某个网站禁止运行PHP
        author: zhwen<zhw@yakpanel.com>
        :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:
        '''
        tmp = self._check_args(args)
        if tmp:
            return tmp
        deny_name = args.deny_name
        dir = args.dir
        suffix = args.suffix
        website = args.website
        self._init_conf(website)
        conf = public.readFile(self.ng_website_conf)
        if not conf:
            return 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.returnMsg(False, public.lang("The specify rule name is not exists! [ {} ]", deny_name))
            self.del_php_deny(args)
        else:
            if deny_name in exist_deny_name:
                return public.returnMsg(False, public.lang("The specify rule name is already exists! [ {} ]", deny_name))
        self._set_nginx_php_deny(deny_name,dir,suffix)
        self._set_apache_php_deny(deny_name,dir,suffix)
        self._set_ols_php_deny(deny_name,dir,suffix)
        public.serviceReload()
        return public.returnMsg(True, public.lang("Add Successfully"))

    def _set_nginx_php_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:
            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_php_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:
            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_php_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_php_deny(self,args):
        '''
        # 添加某个网站禁止运行PHP
        author: zhwen<zhw@yakpanel.com>
        :param args: website 网站名 str
        :param args: deny_name 规则名称 str
        :return:
        '''
        self._init_conf(args.website)
        deny_name = args.deny_name
        self._set_nginx_php_deny(deny_name)
        self._set_apache_php_deny(deny_name)
        self._set_ols_php_deny(deny_name)
        public.serviceReload()
        return public.returnMsg(True, public.lang("Delete Successfully"))

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