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account.py
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account.py
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#!/usr/bin/env python
#-*- coding: utf-8 -*-
import sae
import web
import urllib
import re
import cgi
from setting import render
from setting import load_sqla
from models import User
#valid useful functions
def escape_html(s):
return cgi.escape(s, quote = True)
USERID_RE = re.compile(r"^[0-9]{1,11}$")
USER_RE = re.compile(r"^[a-zA-Z0-9_-]{3,20}$")
PASSWD_RE = re.compile(r"^.{3,20}$")
EMAIL_RE = re.compile(r"^[\S]+@[\S]+\.[\S]+$")
TEL_RE = re.compile(r"^[0-9]{11}$")
QQ_RE = re.compile(r"^[0-9]{1,13}$")
USER_AGENT_RE = re.compile(r"(Firefox\/[0-9]{1,3}|Chrome\/[0-9]{1,3}|MSIE\s[0-9]{1,3}|Safari\/[0-9]{1,3})")
def valid_userid(userid):
userid = str(userid)
if userid:
return USERID_RE.match(userid)
def valid_name(name):
if name:
return USER_RE.match(name)
def valid_password(password):
if password:
return PASSWD_RE.match(password)
def verify_password(password, v_password):
if v_password and password == v_password:
return v_password
def valid_email(email):
if email:
return EMAIL_RE.match(email)
def valid_tel(tel):
if tel:
return TEL_RE.match(tel)
def valid_qq(qq):
if qq:
return QQ_RE.match(qq)
import random
import string
import hashlib
def make_salt():
return ''.join(random.choice(string.letters) for x in xrange(5))
# Implement the function valid_pw() that returns True if a user's password
# matches its hash. You will need to modify make_pw_hash.
def make_pw_hash(pw):
salt = make_salt()
h = hashlib.sha256(pw + salt).hexdigest()
return '%s,%s' %(h,salt)
def valid_pw(pw_h):
if pw_h:
h = pw_h.split('|')
else:
return False
#user = User.get_by_id(int(h[0]))
user = web.ctx.orm.query(User).filter_by(username=h[0]).first()
if user:
if h[1] == user.userpass:
return user
else:
return False
def verify_pw(pw,pw_h,salt):
if pw and pw_h and salt:
if pw_h == hashlib.sha256(pw + salt).hexdigest():
return True
#some useful funcs
#get info of a user
def get_user(userid):
#userid=str(userid)
if valid_userid(userid):
user = web.ctx.orm.query(User).filter_by(userid=userid).first()
if user:
return user
else:
return None
class AcountHandler:
def redirect(self,path):
web.seeother(path)
def valid(self):
cookie_user = web.cookies().get('user')
user = valid_pw(cookie_user)
if user:
return user
else:
#delete the cookie
web.setcookie('user','')
return None
def check_user_agent(self):
if web.ctx.env.has_key('HTTP_USER_AGENT'):
user_agent = web.ctx.env['HTTP_USER_AGENT']
result = USER_AGENT_RE.findall(user_agent)
for agent in result:
if agent.startswith('MSIE'):
if int(agent[4::]) <9:
return False
return True
class SignupHandler(AcountHandler):
def write_html(self,user=None, username='', email='', qq='', username_error='', password_error='', v_password_error='', email_error='',qq_error='', terms_error=''):
return render.signup(user=user, username=username, email=email, qq=qq, username_error=username_error, password_error=password_error, v_password_error=v_password_error, email_error=email_error, qq_error=qq_error, terms_error=terms_error)
def GET(self):
user= self.valid()
return self.write_html(user)
def POST(self):
i=web.input()
username = i.username
password = i.password
v_password = i.verify
valided_username = valid_name(username)
valided_password = valid_password(password)
verified_password = verify_password(password, v_password)
username_error = ''
password_error = ''
v_password_error = ''
if not valided_username:
username_error = u'用户名是3到20个英文字符、数字或者“-”'
if not valided_password:
password_error = u"至少3个字符,最多20个字符,区分大小写"
elif not verified_password:
v_password_error = u"两次输入的密码不相同"
if username_error == '' and password_error == '' and v_password_error == '':
#Access the database and do something cool
user = web.ctx.orm.query(User).filter_by(username=username).first()
if not user:
h = (make_pw_hash(password)).split(',')
pw_h = h[0]
salt = h[1]
u = User(
username = username,
userpass =pw_h,
salt =salt
)
web.ctx.orm.add(u)
cookie_user = '%s|%s' % (username,pw_h)
#set cookie
web.setcookie('user',cookie_user)
self.redirect('/welcome')
else:
if user:
username_error = u'该用户名已经被使用!'
user=None
return self.write_html(user=user, username=username, username_error = username_error)
else:
username = escape_html(username)
user=None
return self.write_html(user,username, username_error, password_error, v_password_error)
class LoginHandler(AcountHandler):
def write_html(self,user=None, error=''):
return render.login(user=user, error=error)
def GET(self):
user = self.valid()
return self.write_html(user)
def POST(self):
i = web.input()
#username = i.username
username = i.username
password = i.password
#valided_username = valid_name(username)
valided_username = valid_name(username)
valided_password = valid_password(password)
if valided_username and valided_password:
#validation success,access the database
users = web.ctx.orm.query(User).filter_by(username=username).all()
if users:
user = users[0]
userid = user.userid
if verify_pw(password, user.userpass, user.salt):
cookie_user = '%s|%s' % (user.username, user.userpass)
#set cookie
web.setcookie('user',cookie_user)
self.redirect('/profile')
else:
return self.write_html(user=None, error='The user is not exist,or the password does not match this acount!oops!')
else:
return self.write_html(user=None, error='The input name or password is invalid!oops!')
class LogoutHandler(AcountHandler):
def GET(self):
#delete the cookie
web.setcookie('user','')
self.redirect('/login')
class WelcomeHandler(AcountHandler):
def write_html(self, user=None):
return render.welcome(user=user)
def GET(self):
user = self.valid()
if user:
return self.write_html(user)
else:
self.redirect('/login')
class ProfileHandler(AcountHandler):
def write_html(self,user=None):
return render.profile(user=user)
def GET(self):
user = self.valid()
if user:
return self.write_html(user)
else:
self.redirect('/login')
class EditProfileHandler(AcountHandler):
def write_html(self,user=None,email='',qq='',email_error='',qq_error=''):
return render.editprofile(user=user, email=email, qq=qq, email_error=email_error, qq_error=qq_error)
def GET(self):
user = self.valid()
if user:
email = user.email if(user.email != None) else ''
qq = user.qq if(user.qq != None) else ''
return self.write_html(user,email,qq)
else:
self.redirect('/login')
def POST(self):
user = self.valid()
if user:
i = web.input()
email = i.email
qq = i.qq
valided_email = valid_email(email)
valided_qq = valid_qq(qq)
email_error = ''
qq_error = ''
if not valided_email:
email_error = u'您输入的email有错误!'
if not valided_qq:
qq_error = u'您输入的QQ号有错误!'
if email_error == '' and qq_error == '':
user.email = email
user.qq = qq
self.redirect('/profile')
else:
return self.write_html(user,email,qq,email_error,qq_error)
else:
self.redirect('/login')
class DelAcountHandler(AcountHandler):
def write_html(self,user=None):
return render.delacount(user=user)
def GET(self):
user = self.valid()
if user:
return self.write_html(user)
else:
self.redirect('/login')
def POST(self):
user = self.valid()
if user:
i = web.input()
delacount = i.delacount
if delacount == '1':
web.ctx.orm.delete(user)
self.redirect('/home')
else:
self.redirect('/delacount')
else:
self.redirect('/login')