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from tojauth import TOJAuth
from asyncdb import AsyncDB
from user import UserMg
from imc.proxy import Proxy
import imc.proxy
import config
class Mail:
_accessid = 3
MAIL_TYPE_INBOX = 1
MAIL_TYPE_SENT_BACKUP = 2
MAIL_TYPE_DRAFT = 3
TITLE_LEN_MIN = 1
TITLE_LEN_MAX = 256
CONTENT_LEN_MIN = 0
CONTENT_LEN_MAX = 65536
LIST_ITEM_PER_PAGE = 20
def __init__(self, mod_idendesc, get_link_fn):
Mail.instance = self
Mail.db = AsyncDB(config.CORE_DBNAME, config.CORE_DBUSER,
config.CORE_DBPASSWORD)
Mail._idendesc = mod_idendesc
self.get_link = get_link_fn
Proxy.instance.register_call(
'core/mail/', 'send_mail', self.send_mail)
Proxy.instance.register_call(
'core/mail/', 'recv_mail', self.recv_mail)
Proxy.instance.register_call(
'core/mail/', 'list_mail', self.list_mail)
Proxy.instance.register_call(
'core/mail/', 'del_mail', self.del_mail)
Proxy.instance.register_call(
'core/mail/', 'get_mail_count', self.get_mail_count)
@imc.async.caller
def send_mail(self, to_username, title, content):
if(
type(to_username) != str or
type(title) != str or
type(content) != str
):
return 'Eparameter'
if len(title) < self.TITLE_LEN_MIN:
return 'Etitle_too_short'
elif len(title) > self.TITLE_LEN_MAX:
return 'Etitle_too_long'
elif len(content) < self.CONTENT_LEN_MIN:
return 'Econtent_too_short'
elif len(content) > self.CONTENT_LEN_MAX:
return 'Econtent_too_long'
to_uid = UserMg.instance.get_uid_by_username(to_username)
if to_uid == None:
return 'Eto_username'
uid = UserMg.get_current_uid()
if uid == None:
return 'Euid'
with TOJAuth.change_current_iden(self._idendesc):
self._add_mail(
to_uid, uid, self.MAIL_TYPE_INBOX, True, title, content
)
self._add_mail(
uid, to_uid, self.MAIL_TYPE_SENT_BACKUP, False, title, content
)
@TOJAuth.check_access(_accessid, TOJAuth.ACCESS_EXECUTE)
def _add_mail(self, uid, from_uid, mail_type, unread, title, content):
cur = self.db.cursor()
sqlstr = ('INSERT INTO "MAIL" ("uid", "from_uid", "mail_type", '
'"unread", "title", "content") VALUES (%s, %s, %s, %s, %s, '
'%s) RETURNING "mailid";')
sqlarr = (uid, from_uid, mail_type, unread, title, content)
cur.execute(sqlstr, sqlarr)
mailid = None
for data in cur:
mailid = data[0]
return mailid
@imc.async.caller
def recv_mail(self, mailid):
if(
type(mailid) != int
):
return 'Eparameter'
uid = UserMg.get_current_uid()
if uid == None:
return 'Eno_uid'
with TOJAuth.change_current_iden(self._idendesc):
mail = self._get_mail(mailid)
if mail == None:
return 'Eno_such_mailid'
if mail['to_uid'] != uid:
TOJAuth.check_access(
self._accessid, TOJAuth.ACCESS_EXECUTE)(lambda x:x)(0)
with TOJAuth.change_current_iden(self._idendesc):
self._set_unread_stat(mailid, False)
return mail
@TOJAuth.check_access(_accessid, TOJAuth.ACCESS_EXECUTE)
def _get_mail(self, mailid):
cur = self.db.cursor()
sqlstr = ('SELECT * FROM "MAIL" WHERE "mailid" = %s;')
sqlarr = (mailid, )
cur.execute(sqlstr, sqlarr)
ret = None
for data in cur:
ret = {}
ret['mailid'] = data[0]
ret['to_uid'] = data[1]
ret['from_uid'] = data[2]
ret['mail_type'] = data[3]
ret['title'] = data[5]
ret['content'] = data[6]
ret['send_time'] = data[7]
ret['to_username'] = (
UserMg.instance.get_user_info_by_uid(data[1])['username'])
ret['from_username'] = (
UserMg.instance.get_user_info_by_uid(data[2])['username'])
return ret
@TOJAuth.check_access(_accessid, TOJAuth.ACCESS_EXECUTE)
def _set_unread_stat(self, mailid, unread):
cur = self.db.cursor()
sqlstr = ('UPDATE "MAIL" SET "unread" = %s WHERE "mailid" = %s;')
sqlarr = (unread, mailid)
cur.execute(sqlstr, sqlarr)
@imc.async.caller
def list_mail(
self, mail_type, start_index = 1, end_index = LIST_ITEM_PER_PAGE
):
if(
type(mail_type) != int
):
return 'Eparameter'
uid = UserMg.get_current_uid()
if uid == None:
return 'Eno_uid'
with TOJAuth.change_current_iden(self._idendesc):
maillist = self._get_maillist(
uid, mail_type, start_index, end_index)
return maillist
@TOJAuth.check_access(_accessid, TOJAuth.ACCESS_EXECUTE)
def _get_maillist(self, uid, mail_type, start_index, end_index):
cur = self.db.cursor()
sqlstr = ('SELECT "mailid", "from_uid", "unread", "title", '
'"send_time" FROM "MAIL" WHERE "uid" = %s AND "mail_type" = '
'%s ORDER BY "mailid" DESC LIMIT %s OFFSET %s;')
sqlarr = (uid, mail_type, end_index - start_index, start_index)
cur.execute(sqlstr, sqlarr)
ret = []
for data in cur:
item = {}
item['mailid'] = data[0]
item['from_uid'] = data[1]
item['unread'] = data[2]
item['title'] = data[3]
item['send_time'] = data[4]
item['from_username'] = (
UserMg.instance.get_user_info_by_uid(data[1])['username'])
ret.append(item)
return ret
@imc.async.caller
def del_mail(self, mailid):
if(
type(mailid) != int
):
return 'Eparameter'
uid = UserMg.get_current_uid()
if uid == None:
return 'Eno_uid'
with TOJAuth.change_current_iden(self._idendesc):
mail = self._get_mail(mailid)
if mail == None:
return 'Eno_such_mailid'
if mail['to_uid'] != uid:
TOJAuth.check_access(
self._accessid, TOJAuth.ACCESS_EXECUTE)(lambda x:x)(0)
with TOJAuth.change_current_iden(self._idendesc):
self._del_mail(mailid)
@TOJAuth.check_access(_accessid, TOJAuth.ACCESS_EXECUTE)
def _del_mail(self, mailid):
cur = self.db.cursor()
sqlstr = ('DELETE FROM "MAIL" WHERE "mailid" = %s;')
sqlarr = (mailid, )
cur.execute(sqlstr, sqlarr)
@imc.async.caller
def get_mail_count(self, mail_type = None):
uid = UserMg.get_current_uid()
if uid == None:
return 'Eno_uid'
with TOJAuth.change_current_iden(self._idendesc):
tot_count = self._get_mail_count(uid, None, mail_type)
unread_count = self._get_mail_count(uid, True, mail_type)
ret = {
'tot_count': tot_count,
'unread_count': unread_count
}
return ret
@TOJAuth.check_access(_accessid, TOJAuth.ACCESS_EXECUTE)
def _get_mail_count(self, uid, unread = None, mail_type = None):
cur = self.db.cursor()
sqlstr = ('SELECT COUNT(*) FROM "MAIL" WHERE "uid" = %s')
sqlarr = [uid]
if unread != None:
sqlstr = sqlstr + (' AND "unread" = %s')
sqlarr.append(unread)
if mail_type != None:
sqlstr = sqlstr + (' AND "mail_type" = %s')
sqlarr.append(mail_type)
sqlstr = sqlstr + (';')
cur.execute(sqlstr, sqlarr)
for data in cur:
count = data[0]
return count
def load(mod_idendesc, get_link_fn):
Mail(mod_idendesc, get_link_fn)
def unload():
pass
|
