243 lines
6.8 KiB
Python
243 lines
6.8 KiB
Python
import json
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import logging
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import flask
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import requests
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from ereuseapi.methods import API
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from flask import Blueprint
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from flask import current_app as app
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from flask import g, render_template, request, session
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from flask.json import jsonify
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from flask.views import View
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from ereuse_devicehub import __version__
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from ereuse_devicehub.modules.dpp.models import Dpp
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from ereuse_devicehub.resources.device.models import Device
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logger = logging.getLogger(__name__)
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did = Blueprint('did', __name__, url_prefix='/did', template_folder='templates')
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class DidView(View):
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methods = ['GET', 'POST']
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template_name = 'anonymous.html'
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def dispatch_request(self, id_dpp):
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self.dpp = None
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self.device = None
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self.get_ids(id_dpp)
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self.context = {
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'version': __version__,
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'oidc': 'oidc' in app.blueprints.keys(),
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'user': g.user,
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'path': request.path,
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'last_dpp': None,
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'before_dpp': None,
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'rols': [],
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'rol': None,
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}
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self.get_rols()
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self.get_rol()
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self.get_device()
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self.get_last_dpp()
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self.get_before_dpp()
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self.get_manuals()
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if self.accept_json():
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return jsonify(self.get_result())
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self.get_template()
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return render_template(self.template_name, **self.context)
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def get_template(self):
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rol = self.context.get('rol')
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if not rol:
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return
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tlmp = {
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"isOperator": "operator.html",
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"isVerifier": "verifier.html",
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}
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self.template_name = tlmp.get(rol, self.template_name)
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def accept_json(self):
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if 'json' in request.headers.get('Accept', []):
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return True
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if "application/json" in request.headers.get("Content-Type", []):
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return True
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return False
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def get_ids(self, id_dpp):
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self.id_dpp = None
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self.chid = id_dpp
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if len(id_dpp.split(":")) == 2:
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self.id_dpp = id_dpp
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self.chid = id_dpp.split(':')[0]
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def get_rols(self):
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rols = session.get('rols')
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if not g.user.is_authenticated and not rols:
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return []
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if rols:
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self.context['rols'] = rols
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if 'dpp' not in app.blueprints.keys():
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return []
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if not session.get('token_dlt'):
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return []
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token_dlt = session.get('token_dlt')
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api_dlt = app.config.get('API_DLT')
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if not token_dlt or not api_dlt:
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return []
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api = API(api_dlt, token_dlt, "ethereum")
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result = api.check_user_roles()
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if result.get('Status') != 200:
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return []
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if 'Success' not in result.get('Data', {}).get('status'):
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return []
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rols = result.get('Data', {}).get('data', {})
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self.context['rols'] = [(k, k) for k, v in rols.items() if v]
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def get_rol(self):
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rols = self.context.get('rols', [])
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rol = len(rols) == 1 and rols[0][0] or None
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if 'rol' in request.args and not rol:
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rol = dict(rols).get(request.args.get('rol'))
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self.context['rol'] = rol
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def get_device(self):
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if self.id_dpp:
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self.dpp = Dpp.query.filter_by(key=self.id_dpp).one()
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device = self.dpp.device
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else:
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device = Device.query.filter_by(chid=self.chid, active=True).first()
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if not device:
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return flask.abort(404)
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placeholder = device.binding or device.placeholder
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device_abstract = placeholder and placeholder.binding or device
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device_real = placeholder and placeholder.device or device
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self.device = device_abstract
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components = self.device.components
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if self.dpp:
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components = self.dpp.snapshot.components
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self.context.update(
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{
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'placeholder': placeholder,
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'device': self.device,
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'device_abstract': device_abstract,
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'device_real': device_real,
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'components': components,
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}
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)
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def get_last_dpp(self):
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dpps = sorted(self.device.dpps, key=lambda x: x.created)
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self.context['last_dpp'] = dpps and dpps[-1] or ''
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return self.context['last_dpp']
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def get_before_dpp(self):
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if not self.dpp:
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self.context['before_dpp'] = ''
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return ''
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dpps = sorted(self.device.dpps, key=lambda x: x.created)
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before_dpp = ''
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for dpp in dpps:
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if dpp == self.dpp:
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break
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before_dpp = dpp
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self.context['before_dpp'] = before_dpp
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return before_dpp
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def get_result(self):
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components = []
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data = {
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'document': {},
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'dpp': self.id_dpp,
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'algorithm': "sha3_256",
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'components': components,
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}
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result = {'data': data}
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if self.dpp:
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data['document'] = self.dpp.snapshot.json_hw
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last_dpp = self.get_last_dpp()
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url_last = ''
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if last_dpp:
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url_last = 'https://{host}/{did}'.format(
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did=last_dpp.key, host=app.config.get('HOST')
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)
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data['url_last'] = url_last
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for c in self.dpp.snapshot.components:
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components.append({c.type: c.chid})
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return result
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dpps = []
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for d in self.device.dpps:
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rr = {
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'dpp': d.key,
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'document': d.snapshot.json_hw,
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'algorithm': "sha3_256",
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}
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dpps.append(rr)
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return {'data': dpps}
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def get_manuals(self):
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manuals = {
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'ifixit': [],
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'icecat': [],
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'details': {},
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'laer': [],
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}
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try:
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params = {
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"manufacturer": self.device.manufacturer,
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"model": self.device.model,
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}
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self.params = json.dumps(params)
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manuals['ifixit'] = self.request_manuals('ifixit')
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manuals['icecat'] = self.request_manuals('icecat')
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manuals['laer'] = self.request_manuals('laer')
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if manuals['icecat']:
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manuals['details'] = manuals['icecat'][0]
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except Exception as err:
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logger.error("Error: {}".format(err))
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self.context['manuals'] = manuals
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def request_manuals(self, prefix):
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url = app.config['URL_MANUALS']
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if not url:
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return {}
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res = requests.post(url + "/" + prefix, self.params)
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if res.status_code > 299:
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return {}
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try:
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response = res.json()
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except Exception:
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response = {}
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return response
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did.add_url_rule('/<string:id_dpp>', view_func=DidView.as_view('did'))
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