from twisted.web import server, resource
from twisted.internet import reactor
from twisted.internet.error import ReactorAlreadyRunning
import base64
import codecs 
import sqlite3
import collections
import json
import time
import datetime
import logging
import other.utils as utils
import gamespy
import gamespy.gs_utility as gs_utils

logger_output_to_console = True
logger_output_to_file = True
logger_name = "AdminPage"
logger_filename = "admin_page.log"
logger = utils.create_logger(logger_name, logger_filename, -1, logger_output_to_console, logger_output_to_file)


#Example of adminpageconf.json
#
# {"username":"admin","password":"opensesame"}
#
# NOTE: Must use double-quotes or json module will fail
# NOTE2: Do not check the .json file into public git!
adminpageconf = None
try:
    adminpageconf = file('adminpageconf.json').read().strip()
except Exception,e:
    logger.log(logging.INFO,"ERROR reading adminpageconf.json: "+str(e))
    logger.log(logging.INFO," *** WARN: adminpageconf.json could not be read. Creating one with default values")
    adminpageconf = '{"username":"admin","password":"opensesame"}'
    fd = open('adminpageconf.json','w')
    fd.write(adminpageconf)
    fd.close()
adminpageconf = json.loads(adminpageconf)
admin_username = str(adminpageconf['username']) 
admin_password = str(adminpageconf['password']) 

class AdminPage(resource.Resource):
    isLeaf = True

    def __init__(self,adminpage):
        self.adminpage = adminpage

    def is_authorized(self, request):
        is_auth = False
        response_code = 401
        error_message = "Authorization required!"
        address = request.getClientIP()
        try:
            expected_auth = base64.encodestring(admin_username+":"+admin_password).strip()
            actual_auth = request.getAllHeaders()['authorization'].replace("Basic ","").strip()
            if actual_auth == expected_auth:
                if actual_auth == 'YWRtaW46b3BlbnNlc2FtZQ==':
                    error_message = ( 'You must change the default values in adminpageconf.json'
                    '<a href="http://%20:%20@'+request.getHeader('host')+'">[LOG OUT]</a>' )
                    response_code = 500
                else:
                    logger.log(logging.INFO,address+" Auth Success")
                    is_auth = True
        except Exception,e:
                logger.log(logging.INFO,address+" Auth Error: "+str(e))
        if not is_auth:
            logger.log(logging.INFO,address+" Auth Failure")
            request.setResponseCode(response_code)
            request.setHeader('WWW-Authenticate', 'Basic realm="ALTWFC"')
            request.write(error_message)
        return is_auth

    def update_whitelist(self, request):
        address = request.getClientIP()
        dbconn = sqlite3.connect('gpcm.db')
        userid = request.args['userid'][0].strip()
        gameid = request.args['gameid'][0].upper().strip()
        macadr = request.args['macadr'][0].strip()
        actiontype = request.args['actiontype'][0]
        if not userid.isdigit() or not gameid.isalnum() or not macadr.isalnum():
            request.setResponseCode(500)
            logger.log(logging.INFO,address+" Bad data "+userid+" "+gameid+" "+macadr)
            return "Bad data"
        if actiontype == 'add':
            dbconn.cursor().execute('insert into whitelist values(?,?,?)',(userid,gameid,macadr))
            responsedata = "Added macadr=%s for gameid=%s, userid=%s" %  (macadr,gameid,userid)
        else:
            dbconn.cursor().execute('delete from whitelist where userid=? and gameid=? and macadr=?',(userid,gameid,macadr))
            responsedata = "Removed macadr=%s for gameid=%s, userid=%s" %  (macadr,gameid,userid)
        dbconn.commit()
        dbconn.close()
        logger.log(logging.INFO,address+" "+responsedata)
        request.setHeader("Content-Type", "text/html; charset=utf-8")
        return responsedata

    def render_whitelist(self, request):
        address = request.getClientIP()
        dbconn = sqlite3.connect('gpcm.db')
        dbconn.cursor().execute('CREATE TABLE IF NOT EXISTS whitelist (userid TEXT, gameid TEXT, macadr TEXT)')
        logger.log(logging.INFO,address+" Viewed whitelist")
        responsedata = ("<html><meta charset='utf-8'>\r\n"
            "<title>altwfc admin page - WhiteList</title>"
            '<a href="http://%20:%20@'+request.getHeader('host')+'">[CLICK HERE TO LOG OUT]</a>'
            "<form action='updatewhitelist' method='POST'>"
            "userid:<input type='text' name='userid'>\r\n"
            "gameid:<input type='text' name='gameid'>\r\n"
            "macadr:<input type='text' name='macadr'>\r\n"
            "<input type='hidden' name='actiontype' value='add'>\r\n"
            "<input type='submit' value='Add to whitelist'></form>\r\n"
            "<table border='1'>"
            "<tr><td>userid</td><td>gameid</td><td>macadr</td></tr>\r\n")
        for row in dbconn.cursor().execute("select * from whitelist"):
            userid = str(row[0])
            gameid = str(row[1])
            macadr = str(row[2])
            responsedata += ("<tr><td>"+userid+"</td><td>"+gameid+"</td><td>"+macadr+"</td>"
                "<td><form action='updatewhitelist' method='POST'>"
                "<input type='hidden' name='userid' value='"+userid+"'>"
                "<input type='hidden' name='gameid' value='"+gameid+"'>"
                "<input type='hidden' name='macadr' value='"+macadr+"'>"
                "<input type='hidden' name='actiontype' value='remove'>\r\n"
                "<input type='submit' value='Remove from whitelist'></form></td></tr>\r\n")
        responsedata += "</table></html>" 
        dbconn.close()
        request.setHeader("Content-Type", "text/html; charset=utf-8")
        return responsedata

    def render_GET(self, request):
        if not self.is_authorized(request):
            return ""
        if request.path == "/whitelist":
            return self.render_whitelist(request)
        if request.path != "/banhammer":
            request.setResponseCode(500)
            return "wrong url path"
        sqlstatement = (''
            'select users.profileid,enabled,data,users.gameid,console,users.userid '
            'from nas_logins '
            'inner join users '
            'on users.userid = nas_logins.userid '
            'inner join ( '
            '    select max(profileid) newestpid, userid, gameid, devname '
            '    from users '
            '    group by userid,gameid) '
            'ij on ij.userid = users.userid and '
            'users.profileid = ij.newestpid '
            'order by users.gameid '
            '') 
        dbconn = sqlite3.connect('gpcm.db')
        responsedata = ("<html><meta charset='utf-8'>\r\n"
            "<title>altwfc admin page</title>"
            '<a href="http://%20:%20@'+request.getHeader('host')+'">[CLICK HERE TO LOG OUT]</a>'
            "<br><br>"
            '<a href="http://'+request.getHeader('host')+'/whitelist">WhiteList</a>'
            "<table border='1'>" 
            "<tr><td>ingamesn or devname</td><td>gameid</td>"
            "<td>Enabled</td><td>newest dwc_pid</td>"
            "<td>gsbrcd</td><td>userid</td></tr>\r\n")
        for row in dbconn.cursor().execute(sqlstatement):
            dwc_pid = str(row[0])
            enabled = str(row[1])
            nasdata = collections.defaultdict(lambda: '', json.loads(row[2]))
            gameid = str(row[3])
            is_console = int(str(row[4]))
            userid = str(row[5])
            gsbrcd = str(nasdata['gsbrcd'])
            ingamesn = ''
            if 'ingamesn' in nasdata:
                ingamesn = str(nasdata['ingamesn'])
            elif 'devname' in nasdata:
                ingamesn = str(nasdata['devname'])
            if ingamesn:
                ingamesn = gs_utils.base64_decode(ingamesn)
                if is_console:
                    ingamesn = codecs.utf_16_be_decode(ingamesn)[0]
                else:
                    ingamesn = codecs.utf_16_le_decode(ingamesn)[0]
            else:
                ingamesn = '[NOT AVAILABLE]'
            responsedata += "<tr>"
            responsedata += "<td>"+ingamesn+"</td>"
            responsedata += "<td>"+gameid+"</td>"
            responsedata += "<td>"+enabled+"</td>"
            responsedata += "<td>"+dwc_pid+"</td>"
            responsedata += "<td>"+gsbrcd+"</td>"
            responsedata += "<td>"+userid+"</td>"
            if enabled == "1":
                responsedata += ("<td><form action='disableuser' method='POST'>"
                "<input type='hidden' name='userid' value='"+userid+"'>"
                "<input type='hidden' name='gameid' value='"+gameid+"'>"
                "<input type='hidden' name='ingamesn' value='"+ingamesn+"'>"
                "<input type='submit' value='Ban'></form></td></tr>")
            else:
                responsedata += ("<td><form action='enableuser' method='POST'>"
                "<input type='hidden' name='userid' value='"+userid+"'>"
                "<input type='hidden' name='gameid' value='"+gameid+"'>"
                "<input type='hidden' name='ingamesn' value='"+ingamesn+"'>"
                "<input type='submit' value='----- unban -----'></form></td></tr>")
        responsedata += "</table></html>" 
        dbconn.close()
        request.setHeader("Content-Type", "text/html; charset=utf-8")
        return responsedata.encode('utf-8')

    def render_POST(self, request):
        if not self.is_authorized(request):
            return ""
        if request.path == "/updatewhitelist":
            return self.update_whitelist(request)
        if request.path != "/enableuser" and request.path != "/disableuser":
            request.setResponseCode(500)
            return "wrong url path"
        address = request.getClientIP()
        responsedata = ""
        userid = request.args['userid'][0]
        gameid = request.args['gameid'][0].upper()
        ingamesn = request.args['ingamesn'][0]

        if not userid.isdigit() or not gameid.isalnum():
            logger.log(logging.INFO,address+" Bad data "+userid+" "+gameid)
            return "Bad data"

        dbconn = sqlite3.connect('gpcm.db')
        if request.path == "/enableuser":
            dbconn.cursor().execute('update users set enabled=1 '
            'where gameid=? and userid=?',(gameid,userid))
            responsedata = "Enabled %s with gameid=%s, userid=%s" % \
            (ingamesn,gameid,userid)
        else:
            dbconn.cursor().execute('update users set enabled=0 '
            'where gameid=? and userid=?',(gameid,userid))
            responsedata = "Disabled %s with gameid=%s, userid=%s" % \
            (ingamesn,gameid,userid)
        dbconn.commit()
        dbconn.close()
        logger.log(logging.INFO,address+" "+responsedata)
        request.setHeader("Content-Type", "text/html; charset=utf-8")
        return responsedata


class AdminPageServer(object):
    def start(self):
        site = server.Site(AdminPage(self))
        reactor.listenTCP(9009, site)
        try:
            if reactor.running == False:
                reactor.run(installSignalHandlers=0)
        except ReactorAlreadyRunning:
            pass

if __name__ == "__main__":
    AdminPageServer().start()