Mercurial > kallithea
view rhodecode/model/license.py @ 4116:ffd45b185016 rhodecode-2.2.5-gpl
Imported some of the GPLv3'd changes from RhodeCode v2.2.5.
This imports changes between changesets 21af6c4eab3d and 6177597791c2 in
RhodeCode's original repository, including only changes to Python files and HTML.
RhodeCode clearly licensed its changes to these files under GPLv3
in their /LICENSE file, which states the following:
The Python code and integrated HTML are licensed under the GPLv3 license.
(See:
https://code.rhodecode.com/rhodecode/files/v2.2.5/LICENSE
or
http://web.archive.org/web/20140512193334/https://code.rhodecode.com/rhodecode/files/f3b123159901f15426d18e3dc395e8369f70ebe0/LICENSE
for an online copy of that LICENSE file)
Conservancy reviewed these changes and confirmed that they can be licensed as
a whole to the Kallithea project under GPLv3-only.
While some of the contents committed herein are clearly licensed
GPLv3-or-later, on the whole we must assume the are GPLv3-only, since the
statement above from RhodeCode indicates that they intend GPLv3-only as their
license, per GPLv3ยง14 and other relevant sections of GPLv3.
author | Bradley M. Kuhn <bkuhn@sfconservancy.org> |
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date | Wed, 02 Jul 2014 19:03:13 -0400 |
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children |
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# -*- coding: utf-8 -*- # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. """ rhodecode.model.license ~~~~~~~~~~~~~~~~~~~~~~~ Model for licenses :created_on: Aug 1, 2013 :author: marcink :copyright: (c) 2013 RhodeCode GmbH. :license: GPLv3, see LICENSE for more details. """ import uuid import base64 import time import logging import traceback from Crypto import Random from Crypto.Cipher import AES import rhodecode from rhodecode.lib.compat import json from rhodecode.model import BaseModel from rhodecode.model.db import RhodeCodeSetting log = logging.getLogger(__name__) BLOCK_SIZE = 32 def pad(s): return (s + (BLOCK_SIZE - len(s) % BLOCK_SIZE) * chr(BLOCK_SIZE - len(s) % BLOCK_SIZE)) def unpad(s): return s[0:-ord(s[-1])] class LicenseModel(BaseModel): cls = RhodeCodeSetting def __init__(self, sa=None, key=None): super(LicenseModel, self).__init__(sa=sa) if not key: key = rhodecode.CONFIG.get('license_token') if not key: raise TypeError('Missing encryption key: %s' % key) if not isinstance(key, basestring): raise TypeError('Encryption key is bad type, got %s ' 'expected basestring' % type(key)) #strip dashes self.key = key.replace('-', '') @classmethod def generate_license_token(cls): tok_len = 4 hex_token = uuid.uuid1().hex num_pools = [hex_token[start:start+tok_len] for start in range(0, len(hex_token), tok_len)] return u'-'.join(num_pools[:4]) @classmethod def get_default_license(cls): key = 'abra-cada-bra1-rce3' enc_license_key = (''' 0HBgVSMJgapshyHBZGiSj/pqSLkO8BmkbSnFDw8j+e854FkSJuVyUhIyUSFgs5mJ+P KGknkw/LOf0pKLRZ7EZiFW+lkrv99UaS395FCp4J+ymdg7YdIdYtc0FZ8TcZjXrV3y ORR3Klsjf7PUV6XVYSU6CAMx5SyK78n3JwYLclCnog1lD4kwHEFJH+OD5jFG3OT9eN Kd0c1rVIJbbkPfppVIa4twr52bXWjueOpamdFI7DOJtlse9XyY1axgGNVQDtgRlWi5 YmtP8OfT+Rq9SaCMQzPq3R42/YWHHrG1fhEMO7DAuruyLASoXROAo+hZmDoWYiqOP2 vtJk/vc6WTB0Ro5zBWznFvkvTPzpFNf+A4FlQzQrVLjVOdIKncyJLx7QFHYFWT9ewD Abr3XpaN5brqe97hDslN/8uKZabUydYI4dKDYkuc5+WAOfPGuqM/CwIPjZQ6K8ivJK yX3CHBThwQuJtQY85GHPte0fT0bHoQyLIBwwYa76/pdm4eTaUrMZbj2HipDGTRO6BU DaDIdw5YiczQ+Jec5phmqwbJ5Z/uXzdV6dhFLDTaiQ+PSkRLg9F1/cPZZxYOo8Jatn 6pSQvmzi4ALTsaPIGGyu5aazPRB0Wz7g2tyPfUcAP5rzS0aWIdoszsAXizBiJdKgr4 X2SlOqJ3MYfen4rvLbIQwV2IiRJdtv1QoFGAyyGfDtGzYruZbpfQcouhwRJbaESTwB 0WXMa73Q2jw59GiTB5C4U=''') return json.loads(LicenseModel(key=key).decrypt(enc_license_key)) @classmethod def get_license_info(cls, license_token, enc_license_key, safe=True, fill_defaults=False): license_info = {} if fill_defaults: license_info = cls.get_default_license() try: if license_token and enc_license_key: license_info = json.loads( LicenseModel(key=license_token).decrypt(enc_license_key)) except Exception, e: log.error(traceback.format_exc()) if not safe: raise return license_info @classmethod def get_license_key(cls): defaults = RhodeCodeSetting.get_app_settings() return defaults.get('rhodecode_license_key') def encrypt(self, text, key=None): if not isinstance(text, basestring): raise TypeError('Encrypt can only work on unicode or ' 'string, got %s' % type(text)) if not key: key = self.key padded_text = pad(text) IV = Random.new().read(AES.block_size) cipher = AES.new(key, AES.MODE_CBC, IV) return base64.b64encode(IV + cipher.encrypt(padded_text)) def decrypt(self, enc_text, key=None): if not isinstance(enc_text, (unicode, str)): raise TypeError('Encrypt can only work on unicode or ' 'string, got %s' % type(enc_text)) if not key: key = self.key enc = base64.b64decode(enc_text) iv = enc[:16] # iv is stored cipher = AES.new(key, AES.MODE_CBC, iv) return unpad(cipher.decrypt(enc[16:])) def generate_signature(self, license_key, sig_key): copy = license_key.copy() del copy['signature'] return self.encrypt(json.dumps(copy), key=sig_key) def verify(self, enc_text, sig_key): if not isinstance(enc_text, basestring): raise TypeError('Encrypt can only work on unicode or ' 'string, got %s' % type(enc_text)) decrypted = json.loads(self.decrypt(enc_text)) try: signature = json.loads(self.decrypt(decrypted['signature'], sig_key)) except Exception: signature = '-- decryption error --' del decrypted['signature'] #TODO: write better diff display if decrypted != signature: raise TypeError('Signature mismatch got %s[%s] vs %s[%s]' % (decrypted, type(decrypted), signature, type(signature))) return signature