satcfdi.portal.SSLAdapter.proxy_manager_for() - Code Metrics - Inspection of "fix SSL" - SAT-CFDI/python-satcfdi - Measure and Improve Code Quality continuously with Scrutinizer

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Push — main ( bbe170...cf8f99 )

by Sat CFDI

created 2023-11-06 18:30 UTC

satcfdi.portal.SSLAdapter.proxy_manager_for() A

↳ Parent: satcfdi.portal

Complexity

Conditions

Size

Total Lines	3
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	1
CRAP Score	1.2963

Importance

Changes

Metric	Value
cc	1
eloc	3
nop	3
dl	0
loc	3
ccs	1
cts	3
cp	0.3333
crap	1.2963
rs	10
c	0
b	0
f	0

import json
import pickle
from time import time

import requests
from requests.adapters import HTTPAdapter
from urllib3.util.ssl_ import create_urllib3_context
from requests.structures import CaseInsensitiveDict

from .utils import get_form, generate_token, request_ref_headers, request_verification_token, random_ajax_id
from ..models import Signer
from ..exceptions import ResponseError


# Ciphers compatible with SAT Services
CIPHERS = (
    'ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20:ECDH+AESGCM:'
    'DH+AESGCM:ECDH+AES:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!eNULL:!MD5:!DSS'
    ':HIGH:!DH'
)


class SSLAdapter(HTTPAdapter):
    def init_poolmanager(self, *args, **kwargs):
        kwargs['ssl_context'] = create_urllib3_context(ciphers=CIPHERS)
        return super().init_poolmanager(*args, **kwargs)

    def proxy_manager_for(self, *args, **kwargs):
        kwargs['ssl_context'] = create_urllib3_context(ciphers=CIPHERS)
        return super().proxy_manager_for(*args, **kwargs)


class PortalManager(requests.Session):
    def __init__(self, signer: Signer):
        super().__init__()
        self.mount('https://', SSLAdapter())
        self.signer = signer

        self.headers = CaseInsensitiveDict(
            {
                "User-Agent": 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36',
                "Accept-Encoding": 'gzip, deflate, br',
                "Accept": 'text/html,application/xhtml+xml,application/xml',
                "Connection": "keep-alive",
                'Pragma': 'no-cache',
                'Cache-Control': 'no-cache',
            }
        )

    def save_session(self, target):
        pickle.dump(self.cookies, target)

    def load_session(self, source):
        self.cookies.update(pickle.load(source))

    def form(self, action, referer_url, data):
        res = self.post(
            url=action,
            headers=request_ref_headers(referer_url),
            data=data
        )
        assert res.status_code == 200
        return res

    def fiel_login(self, login_response):
        action, data = get_form(login_response, id='certform')
        return self.form(
            action,
            login_response.request.url,
            data | {
                'token': generate_token(self.signer, code=data['guid']),
                'fert': self.signer.certificate.get_notAfter()[2:].decode(),
            }
        )


class SATPortal(PortalManager):
    BASE_URL = 'https://loginda.siat.sat.gob.mx'

    def login(self):
        res = self.get(
            url=f'{self.BASE_URL}/nidp/app/login?id=fiel'
        )
        assert res.status_code == 200
        action, data = get_form(res)

        return self.fiel_login(
            login_response=self.form(action, res.request.url, data)
        )

    def home_page(self):
        return self.get(
            url=f'{self.BASE_URL}/nidp/app?sid=0'
        )

    def logout(self):
        return self.get(
            url=f'{self.BASE_URL}/nidp/app/logout',
            headers={
                'referer': f'{self.BASE_URL}/nidp/app?sid=0'
            },
            allow_redirects=False
        )

    def declaraciones_provisionales_login(self):
        res = self.get(
            url='https://ptscdecprov.clouda.sat.gob.mx',
            allow_redirects=True
        )
        assert res.status_code == 200

        action, data = get_form(res)
        res = self.form(action, res.request.url, data)
        return res


class SATFacturaElectronica(PortalManager):
    BASE_URL = 'https://portal.facturaelectronica.sat.gob.mx'
    REQUEST_CONTEXT = 'appId=cid-v1:20ff76f4-0bca-495f-b7fd-09ca520e39f7'

    def __init__(self, signer: Signer):
        super().__init__(signer)
        self._ajax_id = random_ajax_id()
        self._request_verification_token = None

    def login(self):
        res = self.get(
            url=self.BASE_URL
        )
        assert res.status_code == 200
        try:
            action, data = get_form(res)
        except IndexError as ex:
            raise ValueError("Login form not found, please try again") from ex

        if action.startswith('https://cfdiau.sat.gob.mx/'):
            assert 'nidp/wsfed/ep?id=SATUPCFDiCon' in action

            res = self.fiel_login(
                login_response=self.form(
                    action.replace('nidp/wsfed/ep?id=SATUPCFDiCon', 'nidp/app/login?id=SATx509Custom'),
                    res.request.url,
                    data
                )
            )

            action, data = get_form(res)
            res = self.form(action, res.request.url, data)

            action, data = get_form(res)

        res = self.form(action, res.request.url, data)

        self._request_verification_token = request_verification_token(res)
        self._ajax_id = random_ajax_id()
        return res

    def _reload_verification_token(self):
        res = self.get(
            url=f'{self.BASE_URL}/Factura/GeneraFactura',
            allow_redirects=False
        )
        if res.status_code == 200:
            self._request_verification_token = request_verification_token(res)
        else:
            raise ValueError('Please Login Again')

    def reactivate_session(self):
        res = self.post(
            url=f'{self.BASE_URL}/Home/ReActiveSession',
            headers={
                'Origin': self.BASE_URL,
                'Request-Context': self.REQUEST_CONTEXT,
                'Request-Id': f'|{self._ajax_id}.{random_ajax_id()}'
            },
            allow_redirects=False
        )
        return res

    def _request(self, method, path, data=None, params=None):
        if self._request_verification_token is None:
            self._reload_verification_token()

        res = self.request(
            method=method,
            url=f'{self.BASE_URL}/{path}',
            headers={
                'Origin': self.BASE_URL,
                'Authority': self.BASE_URL,
                'Request-Context': self.REQUEST_CONTEXT,
                '__RequestVerificationToken': self._request_verification_token,
                'Request-Id': f'|{self._ajax_id}.{random_ajax_id()}'  # |pR4Px.o0yAS
            },
            data=data,
            params=params,
            allow_redirects=False
        )
        if res.status_code == 200:
            return res.json()
        else:
            raise ResponseError(res)

    def legal_name_valid(self, rfc, legal_name):
        res = self._request(
            method='POST',
            path='Clientes/ValidaRazonSocialRFC',
            data={
                'rfcValidar': rfc.upper(),
                'razonSocial': legal_name.upper(),
            })
        if not res['exitoso']:
            raise ResponseError(res)
        return res['resultado']

    def rfc_valid(self, rfc):
        res = self._request(
            method='POST',
            path='Clientes/ExisteLrfc',
            data={
                'rfcValidar': rfc.upper()
            }
        )
        if not res['exitoso']:
            raise ResponseError(res)
        return res['resultado']

    def lco_details(self, rfc, apply_border_region=True):
        res = self._request(
            method='GET',
            path='Clientes/ValidaLco',
            params={
                'rfcValidar': rfc.upper(),
                'aplicaRegionFronteriza': apply_border_region,
                "_": int(time() * 1000)
            }
        )
        return json.loads(res)


class SATPortalConstancia(PortalManager):
    BASE_URL = 'https://login.siat.sat.gob.mx'

    def login(self):
        res = self.get(
            url=f'{self.BASE_URL}/nidp/idff/sso?id=fiel_Aviso'
        )
        assert res.status_code == 200
        action, data = get_form(res)
        if action is None:
            return res

        return self.fiel_login(
            login_response=self.form(action, res.request.url, data)
        )

    def generar_constancia(self):
        self.login()
        res = self.get(
            url="https://rfcampc.siat.sat.gob.mx/app/seg/SessionBroker?url=/PTSC/IdcSiat/autc/ReimpresionTramite/ConsultaTramite.jsf&parametro=c&idSessionBit=&idSessionBit=null",
            allow_redirects=True
        )
        assert res.status_code == 200

        # Execute Authentication Request
        action, data = get_form(res)
        if action == "https://login.siat.sat.gob.mx/nidp/saml2/sso":
            res = self.form(action, res.request.url, data)
            assert res.status_code == 200

            # Execute Authentication Response
            action, data = get_form(res)
            assert action == "https://rfcampc.siat.sat.gob.mx/saml2/sp/acs/post"
            res = self.form(action, res.request.url, data)
            assert res.status_code == 200

        # Execute formReimpAcuse
        action, data = get_form(res)
        if action == "https://rfcampc.siat.sat.gob.mx/PTSC/IdcSiat/autc/ReimpresionTramite/ConsultaTramite.jsf":
            data = {
                'javax.faces.partial.ajax': "true",
                'javax.faces.source': 'formReimpAcuse:j_idt50',
                'javax.faces.partial.execute': '@all',
                'formReimpAcuse:j_idt50': 'formReimpAcuse:j_idt50',
                'formReimpAcuse': 'formReimpAcuse',
                'formReimpAcuse:tipoTramite_input': '0',
                'formReimpAcuse:tipoTramite_focus': '',
                'formReimpAcuse:fechaInicio_input:': '',
                'formReimpAcuse:fechaFin_input': '',
                'formReimpAcuse:folio': '',
                'javax.faces.ViewState': data['javax.faces.ViewState']
            }
            res = self.form(action, res.request.url, data)
            assert res.status_code == 200

        res = self.get(
            url='https://rfcampc.siat.sat.gob.mx/PTSC/IdcSiat/IdcGeneraConstancia.jsf'
        )
        assert res.status_code == 200
        return res.content


class SATPortalOpinionCumplimiento(PortalManager):
    BASE_URL = 'https://login.mat.sat.gob.mx'

    def login(self):
        res = self.get(
            url=f'{self.BASE_URL}/nidp/app/login?id=contr-dual-eFirma-totp'
        )
        assert res.status_code == 200
        action, data = get_form(res)

        res = self.form(action, res.request.url, data)
        assert res.status_code == 200

        res = self.form(action, res.request.url, data)
        assert res.status_code == 200

        res = self.form(action, res.request.url, data)
        assert res.status_code == 200

        return res

    def generar_opinion_cumplimiento_login(self):
        res = self.get(
            url="https://ptsc32d.clouda.sat.gob.mx/?/reporteOpinion32DContribuyente",
            allow_redirects=True
        )
        assert res.status_code == 200

        # Execute Authentication Request
        action, data = get_form(res)
        if action.startswith("https://login.mat.sat.gob.mx/nidp//app/login"):
            res = self.form(action, res.request.url, data)
            assert res.status_code == 200

            # Execute Authentication Response
            action, data = get_form(res)
            res = self.form(action, res.request.url, data)
            assert res.status_code == 200


1	1	import json
2	1	import pickle
3	1	from time import time
4
5	1	import requests
6	1	from requests.adapters import HTTPAdapter
7	1	from urllib3.util.ssl_ import create_urllib3_context
8	1	from requests.structures import CaseInsensitiveDict
9
10	1	from .utils import get_form, generate_token, request_ref_headers, request_verification_token, random_ajax_id
11	1	from ..models import Signer
12	1	from ..exceptions import ResponseError
13
14
15		# Ciphers compatible with SAT Services
16	1	CIPHERS = (
17		'ECDHE+AESGCM:ECDHE+CHACHA20:DHE+AESGCM:DHE+CHACHA20:ECDH+AESGCM:'
18		'DH+AESGCM:ECDH+AES:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!eNULL:!MD5:!DSS'
19		':HIGH:!DH'
20		)
21
22
23	1	class SSLAdapter(HTTPAdapter):
24	1	def init_poolmanager(self, args, *kwargs):
25	1	kwargs['ssl_context'] = create_urllib3_context(ciphers=CIPHERS)
26	1	return super().init_poolmanager(args, *kwargs)
27
28	1	def proxy_manager_for(self, args, *kwargs):
29		kwargs['ssl_context'] = create_urllib3_context(ciphers=CIPHERS)
30		return super().proxy_manager_for(args, *kwargs)
31
32
33	1	class PortalManager(requests.Session):
34	1	def __init__(self, signer: Signer):
35	1	super().__init__()
36	1	self.mount('https://', SSLAdapter())
37	1	self.signer = signer
38
39	1	self.headers = CaseInsensitiveDict(
40		{
41		"User-Agent": 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36',
42		"Accept-Encoding": 'gzip, deflate, br',
43		"Accept": 'text/html,application/xhtml+xml,application/xml',
44		"Connection": "keep-alive",
45		'Pragma': 'no-cache',
46		'Cache-Control': 'no-cache',
47		}
48		)
49
50	1	def save_session(self, target):
51	1	pickle.dump(self.cookies, target)
52
53	1	def load_session(self, source):
54		self.cookies.update(pickle.load(source))
55
56	1	def form(self, action, referer_url, data):
57		res = self.post(
58		url=action,
59		headers=request_ref_headers(referer_url),
60		data=data
61		)
62		assert res.status_code == 200
63		return res
64
65	1	def fiel_login(self, login_response):
66		action, data = get_form(login_response, id='certform')
67		return self.form(
68		action,
69		login_response.request.url,
70		data \| {
71		'token': generate_token(self.signer, code=data['guid']),
72		'fert': self.signer.certificate.get_notAfter()[2:].decode(),
73		}
74		)
75
76
77	1	class SATPortal(PortalManager):
78	1	BASE_URL = 'https://loginda.siat.sat.gob.mx'
79
80	1	def login(self):
81		res = self.get(
82		url=f'{self.BASE_URL}/nidp/app/login?id=fiel'
83		)
84		assert res.status_code == 200
85		action, data = get_form(res)
86
87		return self.fiel_login(
88		login_response=self.form(action, res.request.url, data)
89		)
90
91	1	def home_page(self):
92		return self.get(
93		url=f'{self.BASE_URL}/nidp/app?sid=0'
94		)
95
96	1	def logout(self):
97		return self.get(
98		url=f'{self.BASE_URL}/nidp/app/logout',
99		headers={
100		'referer': f'{self.BASE_URL}/nidp/app?sid=0'
101		},
102		allow_redirects=False
103		)
104
105	1	def declaraciones_provisionales_login(self):
106		res = self.get(
107		url='https://ptscdecprov.clouda.sat.gob.mx',
108		allow_redirects=True
109		)
110		assert res.status_code == 200
111
112		action, data = get_form(res)
113		res = self.form(action, res.request.url, data)
114		return res
115
116
117	1	class SATFacturaElectronica(PortalManager):
118	1	BASE_URL = 'https://portal.facturaelectronica.sat.gob.mx'
119	1	REQUEST_CONTEXT = 'appId=cid-v1:20ff76f4-0bca-495f-b7fd-09ca520e39f7'
120
121	1	def __init__(self, signer: Signer):
122		super().__init__(signer)
123		self._ajax_id = random_ajax_id()
124		self._request_verification_token = None
125
126	1	def login(self):
127		res = self.get(
128		url=self.BASE_URL
129		)
130		assert res.status_code == 200
131		try:
132		action, data = get_form(res)
133		except IndexError as ex:
134		raise ValueError("Login form not found, please try again") from ex
135
136		if action.startswith('https://cfdiau.sat.gob.mx/'):
137		assert 'nidp/wsfed/ep?id=SATUPCFDiCon' in action
138
139		res = self.fiel_login(
140		login_response=self.form(
141		action.replace('nidp/wsfed/ep?id=SATUPCFDiCon', 'nidp/app/login?id=SATx509Custom'),
142		res.request.url,
143		data
144		)
145		)
146
147		action, data = get_form(res)
148		res = self.form(action, res.request.url, data)
149
150		action, data = get_form(res)
151
152		res = self.form(action, res.request.url, data)
153
154		self._request_verification_token = request_verification_token(res)
155		self._ajax_id = random_ajax_id()
156		return res
157
158	1	def _reload_verification_token(self):
159		res = self.get(
160		url=f'{self.BASE_URL}/Factura/GeneraFactura',
161		allow_redirects=False
162		)
163		if res.status_code == 200:
164		self._request_verification_token = request_verification_token(res)
165		else:
166		raise ValueError('Please Login Again')
167
168	1	def reactivate_session(self):
169		res = self.post(
170		url=f'{self.BASE_URL}/Home/ReActiveSession',
171		headers={
172		'Origin': self.BASE_URL,
173		'Request-Context': self.REQUEST_CONTEXT,
174		'Request-Id': f'\|{self._ajax_id}.{random_ajax_id()}'
175		},
176		allow_redirects=False
177		)
178		return res
179
180	1	def _request(self, method, path, data=None, params=None):
181		if self._request_verification_token is None:
182		self._reload_verification_token()
183
184		res = self.request(
185		method=method,
186		url=f'{self.BASE_URL}/{path}',
187		headers={
188		'Origin': self.BASE_URL,
189		'Authority': self.BASE_URL,
190		'Request-Context': self.REQUEST_CONTEXT,
191		'__RequestVerificationToken': self._request_verification_token,
192		'Request-Id': f'\|{self._ajax_id}.{random_ajax_id()}' # \|pR4Px.o0yAS
193		},
194		data=data,
195		params=params,
196		allow_redirects=False
197		)
198		if res.status_code == 200:
199		return res.json()
200		else:
201		raise ResponseError(res)
202
203	1	def legal_name_valid(self, rfc, legal_name):
204		res = self._request(
205		method='POST',
206		path='Clientes/ValidaRazonSocialRFC',
207		data={
208		'rfcValidar': rfc.upper(),
209		'razonSocial': legal_name.upper(),
210		})
211		if not res['exitoso']:
212		raise ResponseError(res)
213		return res['resultado']
214
215	1	def rfc_valid(self, rfc):
216		res = self._request(
217		method='POST',
218		path='Clientes/ExisteLrfc',
219		data={
220		'rfcValidar': rfc.upper()
221		}
222		)
223		if not res['exitoso']:
224		raise ResponseError(res)
225		return res['resultado']
226
227	1	def lco_details(self, rfc, apply_border_region=True):
228		res = self._request(
229		method='GET',
230		path='Clientes/ValidaLco',
231		params={
232		'rfcValidar': rfc.upper(),
233		'aplicaRegionFronteriza': apply_border_region,
234		"_": int(time() * 1000)
235		}
236		)
237		return json.loads(res)
238
239
240	1	class SATPortalConstancia(PortalManager):
241	1	BASE_URL = 'https://login.siat.sat.gob.mx'
242
243	1	def login(self):
244		res = self.get(
245		url=f'{self.BASE_URL}/nidp/idff/sso?id=fiel_Aviso'
246		)
247		assert res.status_code == 200
248		action, data = get_form(res)
249		if action is None:
250		return res
251
252		return self.fiel_login(
253		login_response=self.form(action, res.request.url, data)
254		)
255
256	1	def generar_constancia(self):
257		self.login()
258		res = self.get(
259		url="https://rfcampc.siat.sat.gob.mx/app/seg/SessionBroker?url=/PTSC/IdcSiat/autc/ReimpresionTramite/ConsultaTramite.jsf&parametro=c&idSessionBit=&idSessionBit=null",
260		allow_redirects=True
261		)
262		assert res.status_code == 200
263
264		# Execute Authentication Request
265		action, data = get_form(res)
266		if action == "https://login.siat.sat.gob.mx/nidp/saml2/sso":
267		res = self.form(action, res.request.url, data)
268		assert res.status_code == 200
269
270		# Execute Authentication Response
271		action, data = get_form(res)
272		assert action == "https://rfcampc.siat.sat.gob.mx/saml2/sp/acs/post"
273		res = self.form(action, res.request.url, data)
274		assert res.status_code == 200
275
276		# Execute formReimpAcuse
277		action, data = get_form(res)
278		if action == "https://rfcampc.siat.sat.gob.mx/PTSC/IdcSiat/autc/ReimpresionTramite/ConsultaTramite.jsf":
279		data = {
280		'javax.faces.partial.ajax': "true",
281		'javax.faces.source': 'formReimpAcuse:j_idt50',
282		'javax.faces.partial.execute': '@all',
283		'formReimpAcuse:j_idt50': 'formReimpAcuse:j_idt50',
284		'formReimpAcuse': 'formReimpAcuse',
285		'formReimpAcuse:tipoTramite_input': '0',
286		'formReimpAcuse:tipoTramite_focus': '',
287		'formReimpAcuse:fechaInicio_input:': '',
288		'formReimpAcuse:fechaFin_input': '',
289		'formReimpAcuse:folio': '',
290		'javax.faces.ViewState': data['javax.faces.ViewState']
291		}
292		res = self.form(action, res.request.url, data)
293		assert res.status_code == 200
294
295		res = self.get(
296		url='https://rfcampc.siat.sat.gob.mx/PTSC/IdcSiat/IdcGeneraConstancia.jsf'
297		)
298		assert res.status_code == 200
299		return res.content
300
301
302	1	class SATPortalOpinionCumplimiento(PortalManager):
303	1	BASE_URL = 'https://login.mat.sat.gob.mx'
304
305	1	def login(self):
306		res = self.get(
307		url=f'{self.BASE_URL}/nidp/app/login?id=contr-dual-eFirma-totp'
308		)
309		assert res.status_code == 200
310		action, data = get_form(res)
311
312		res = self.form(action, res.request.url, data)
313		assert res.status_code == 200
314
315		res = self.form(action, res.request.url, data)
316		assert res.status_code == 200
317
318		res = self.form(action, res.request.url, data)
319		assert res.status_code == 200
320
321		return res
322
323	1	def generar_opinion_cumplimiento_login(self):
324		res = self.get(
325		url="https://ptsc32d.clouda.sat.gob.mx/?/reporteOpinion32DContribuyente",
326		allow_redirects=True
327		)
328		assert res.status_code == 200
329
330		# Execute Authentication Request
331		action, data = get_form(res)
332		if action.startswith("https://login.mat.sat.gob.mx/nidp//app/login"):
333		res = self.form(action, res.request.url, data)
334		assert res.status_code == 200
335
336		# Execute Authentication Response
337		action, data = get_form(res)
338		res = self.form(action, res.request.url, data)
339		assert res.status_code == 200
340

SAT-CFDI / python-satcfdi

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