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import psycopg2
from Crypto.Hash import SHA512
from tojauth import TOJAuth
from asyncdb import AsyncDB
import imc.proxy
import config
class User:
auth_accessid = 2
USERNAME_LEN_MIN = 5
USERNAME_LEN_MAX = 50
PASSWORD_LEN_MIN = 5
PASSWORD_LEN_MAX = 50
NICKNAME_LEN_MIN = 1
NICKNAME_LEN_MAX = 50
EMAIL_LEN_MIN = 5
EMAIL_LEN_MAX = 100
AVATAR_LEN_MIN = 0
AVATAR_LEN_MAX = 200
ABOUTME_LEN_MIN = 0
ABOUTME_LEN_MAX = 1000
def __init__(self, mod_iden):
User.instance = self
User.db = AsyncDB(config.CORE_DBNAME, config.CORE_DBUSER,
config.CORE_DBPASSWORD)
User.mod_iden = mod_iden
@imc.async.caller
def register(self, username, password, nickname, email, avatar, aboutme):
if(
type(username) != str or
type(password) != str or
type(nickname) != str or
type(email) != str or
type(avatar) != str or
type(aboutme) != str
):
return 'Eparameter'
if len(username) < self.USERNAME_LEN_MIN:
return 'Eusername_too_short'
elif len(username) > self.USERNAME_LEN_MAX:
return 'Eusername_too_long'
elif len(password) < self.PASSWORD_LEN_MIN:
return 'Epassword_too_short'
elif len(password) > self.PASSWORD_LEN_MAX:
return 'Epassword_too_long'
elif len(nickname) < self.NICKNAME_LEN_MIN:
return 'Enickname_too_short'
elif len(nickname) > self.NICKNAME_LEN_MAX:
return 'Enickname_too_long'
elif len(email) < self.EMAIL_LEN_MIN:
return 'Eemail_too_short'
elif len(email) > self.EMAIL_LEN_MAX:
return 'Eemail_too_long'
elif len(avatar) < self.AVATAR_LEN_MIN:
return 'Eavatar_too_short'
elif len(avatar) > self.AVATAR_LEN_MAX:
return 'Eavatar_too_long'
elif len(aboutme) < self.ABOUTME_LEN_MIN:
return 'Eaboutme_too_short'
elif len(aboutme) > self.ABOUTME_LEN_MAX:
return 'Eaboutme_too_long'
passhash = self._password_hash(password)
with TOJAuth.change_current_iden(self.mod_iden):
try:
uid = self._create_user(
username, passhash, nickname, email, avatar, aboutme)
except psycopg2.IntegrityError:
return 'Eusername_already_exists'
return {'uid' : uid}
@TOJAuth.check_access(auth_accessid, TOJAuth.ACCESS_EXECUTE)
def _create_user(self, username, passhash, nickname, email, avatar,
aboutme):
roleid = TOJAuth.instance.create_role(username, TOJAuth.ROLETYPE_USER)
cur = self.db.cursor()
sqlstr = ('INSERT INTO "USER" ("username", "passhash", "nickname", '
'"email", "avatar", "aboutme", "idenid") '
'VALUES (%s, %s, %s, %s, %s, %s, %s) RETURNING "uid";')
sqlarr = (username, passhash, nickname, email, avatar, aboutme, roleid)
cur.execute(sqlstr, sqlarr)
for data in cur:
uid = data[0]
return uid
@imc.async.caller
def login(self, username, password):
if(
type(username) != str or
type(password) != str
):
return 'Eparameter'
uid = self.get_uid_by_username(username)
if uid == None:
return 'Eno_such_uid'
passhash = self._password_hash(password)
cur = self.db.cursor()
sqlstr = ('SELECT "idenid" FROM "USER" WHERE "uid" = %s '
'AND "passhash" = %s;')
sqlarr = (uid, passhash)
cur.execute(sqlstr, sqlarr)
idenid = None
for data in cur:
idenid = data[0]
if idenid == None:
return 'Ewrong_password'
linkclass = TOJAuth.get_current_iden()['linkclass']
linkid = TOJAuth.get_current_iden()['linkid']
with TOJAuth.change_current_iden(self.mod_iden):
idendesc = TOJAuth.instance.create_iden(
linkclass, linkid, idenid, TOJAuth.ROLETYPE_USER, {'uid' : uid}
)
ret = {
'idendesc' : idendesc,
'uid' : uid,
'hash' : self._uid_passhash_hash(uid, passhash)
}
return ret
@imc.async.caller
def cookie_login(self, uid, uphash):
if(
type(uid) != int or
type(uphash) != str
):
return 'Eparameter'
idenid = None
real_uphash = None
cur = self.db.cursor()
sqlstr = ('SELECT "idenid", "passhash" FROM "USER" WHERE "uid" = %s;')
sqlarr = (uid, )
cur.execute(sqlstr, sqlarr)
for data in cur:
idenid = data[0]
real_uphash = self._uid_passhash_hash(uid, data[1])
if idenid == None:
return 'Eno_such_uid'
if real_uphash != uphash:
return 'Ewrong_uphash'
linkclass = TOJAuth.get_current_iden()['linkclass']
linkid = TOJAuth.get_current_iden()['linkid']
with TOJAuth.change_current_iden(self.mod_iden):
idendesc = TOJAuth.instance.create_iden(
linkclass, linkid, idenid, TOJAuth.ROLETYPE_USER, {'uid' : uid}
)
ret = {
'idendesc' : idendesc,
'uid' : uid,
'hash' : uphash
}
return ret
@imc.async.caller
def get_user_info(self, uid):
if(
type(uid) != int
):
return 'Eparameter'
ret = self._get_user_info_by_uid(uid)
if ret == None:
return 'Eno_such_uid'
return ret
@imc.async.caller
def set_user_info(self, uid, nickname, email, avatar, aboutme):
if(
type(uid) != int or
type(nickname) != str or
type(email) != str or
type(avatar) != str or
type(aboutme) != str
):
return 'Eparameter'
if len(nickname) < self.NICKNAME_LEN_MIN:
return 'Enickname_too_short'
elif len(nickname) > self.NICKNAME_LEN_MAX:
return 'Enickname_too_long'
elif len(email) < self.EMAIL_LEN_MIN:
return 'Eemail_too_short'
elif len(email) > self.EMAIL_LEN_MAX:
return 'Eemail_too_long'
elif len(avatar) < self.AVATAR_LEN_MIN:
return 'Eavatar_too_short'
elif len(avatar) > self.AVATAR_LEN_MAX:
return 'Eavatar_too_long'
elif len(aboutme) < self.ABOUTME_LEN_MIN:
return 'Eaboutme_too_short'
elif len(aboutme) > self.ABOUTME_LEN_MAX:
return 'Eaboutme_too_long'
idenid = self.get_idenid_by_uid(uid)
if idenid == None:
return 'Eno_such_uid'
if idenid != TOJAuth.get_current_iden()['idenid']:
TOJAuth.check_access(
self.auth_accessid, TOJAuth.ACCESS_EXECUTE)(lambda x:x)(0)
cur = self.db.cursor()
sqlstr = ('UPDATE "USER" SET "nickname" = %s, "email" = %s, '
'"avatar" = %s, "aboutme" = %s WHERE "uid" = %s;')
sqlarr = (nickname, email, avatar, aboutme, uid)
cur.execute(sqlstr, sqlarr)
@imc.async.caller
def change_user_password(self, uid, old_password, new_password):
if(
type(uid) != int or
type(old_password) != str or
type(new_password) != str
):
return 'Eparameter'
if len(new_password) < self.PASSWORD_LEN_MIN:
return 'Epassword_too_short'
elif len(new_password) > self.PASSWORD_LEN_MAX:
return 'Epassword_too_long'
idenid = self.get_idenid_by_uid(uid)
if idenid == None:
return 'Eno_such_uid'
if idenid != TOJAuth.get_current_iden()['idenid']:
TOJAuth.check_access(
self.auth_accessid, TOJAuth.ACCESS_EXECUTE)(lambda x:x)(0)
old_passhash = self._password_hash(old_password)
cur = self.db.cursor()
sqlstr = ('SELECT "idenid" FROM "USER" WHERE "uid" = %s '
'AND "passhash" = %s;')
sqlarr = (uid, old_passhash)
cur.execute(sqlstr, sqlarr)
idenid = None
for data in cur:
idenid = data[0]
if idenid == None:
return 'Ewrong_old_password'
new_passhash = self._password_hash(new_password)
sqlstr = ('UPDATE "USER" SET "passhash" = %s WHERE "uid" = %s;')
sqlarr = (new_passhash, uid)
cur.execute(sqlstr, sqlarr)
@imc.async.caller
def oauth_login(self):
raise NotImplementedError
def _password_hash(self, password):
h = SHA512.new(bytes(password + config.USER_PASSHASH_SALT, 'utf-8'))
return h.hexdigest()
def _uid_passhash_hash(self, uid, passhash):
return self._password_hash(
'GENGJIAN_WEISUO_KING^^' + str(uid) + '@E__E@' + passhash + 'Yo!')
def _get_user_info_by_uid(self, uid):
cur = self.db.cursor()
sqlstr = ('SELECT * FROM "USER" WHERE "uid" = %s;')
sqlarr = (uid, )
cur.execute(sqlstr, sqlarr)
ret = None
for data in cur:
ret = {}
ret['uid'] = data[0]
ret['username'] = data[1]
ret['nickname'] = data[3]
ret['email'] = data[4]
ret['avatar'] = data[5]
ret['aboutme'] = data[6]
return ret
def get_idenid_by_uid(self, uid):
cur = self.db.cursor()
sqlstr = ('SELECT "idenid" FROM "USER" WHERE "uid" = %s;')
sqlarr = (uid, )
cur.execute(sqlstr, sqlarr)
ret = None
for data in cur:
ret = data[0]
return ret
def get_uid_by_username(self, username):
cur = self.db.cursor()
sqlstr = ('SELECT "uid" FROM "USER" WHERE "username" = %s;')
sqlarr = (username, )
cur.execute(sqlstr, sqlarr)
uid = None
for data in cur:
uid = data[0]
return uid
def does_username_exist(self, username):
uid = self.get_uid_by_username(username)
return uid != None
|
