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devicehub-teal/ereuse_devicehub/api/views.py

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import json
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from binascii import Error as asciiError
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from flask import Blueprint
from flask import current_app as app
from flask import g, jsonify, request
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from flask.views import View
from flask.wrappers import Response
from marshmallow.exceptions import ValidationError
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from werkzeug.exceptions import Unauthorized
from ereuse_devicehub.auth import Auth
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from ereuse_devicehub.db import db
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from ereuse_devicehub.parser.models import SnapshotsLog
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from ereuse_devicehub.parser.parser import ParseSnapshotLsHw
from ereuse_devicehub.parser.schemas import Snapshot_lite
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from ereuse_devicehub.resources.action.views.snapshot import (
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SnapshotMixin,
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move_json,
save_json,
)
from ereuse_devicehub.resources.enums import Severity
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api = Blueprint('api', __name__, url_prefix='/api')
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class LoginMixin(View):
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def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self.authenticate()
def authenticate(self):
unauthorized = Unauthorized('Provide a suitable token.')
basic_token = request.headers.get('Authorization', " ").split(" ")
if not len(basic_token) == 2:
raise unauthorized
token = basic_token[1]
try:
token = Auth.decode(token)
except asciiError:
raise unauthorized
self.user = Auth().authenticate(token)
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g.user = self.user
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class InventoryView(LoginMixin, SnapshotMixin):
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methods = ['POST']
def dispatch_request(self):
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snapshot_json = json.loads(request.data)
self.tmp_snapshots = app.config['TMP_SNAPSHOTS']
self.path_snapshot = save_json(snapshot_json, self.tmp_snapshots, g.user.email)
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snapshot_json = self.validate(snapshot_json)
if type(snapshot_json) == Response:
return snapshot_json
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self.snapshot_json = ParseSnapshotLsHw(snapshot_json).get_snapshot()
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snapshot = self.build()
db.session.add(snapshot)
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snap_log = SnapshotsLog(
description='Ok',
snapshot_uuid=snapshot.uuid,
severity=Severity.Info,
sid=snapshot.sid,
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version=str(snapshot.version),
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snapshot=snapshot,
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)
snap_log.save()
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db.session().final_flush()
db.session.commit()
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url = "https://{}/".format(app.config['HOST'])
public_url = "{}{}".format(url.strip("/"), snapshot.device.url.to_text())
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self.response = jsonify(
{
'dhid': snapshot.device.dhid,
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'url': url,
'public_url': public_url,
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}
)
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self.response.status_code = 201
move_json(self.tmp_snapshots, self.path_snapshot, g.user.email)
return self.response
def validate(self, snapshot_json):
self.schema = Snapshot_lite()
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try:
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return self.schema.load(snapshot_json)
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except ValidationError as err:
txt = "{}".format(err)
uuid = snapshot_json.get('uuid')
sid = snapshot_json.get('sid')
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version = snapshot_json.get('version')
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error = SnapshotsLog(
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description=txt,
snapshot_uuid=uuid,
severity=Severity.Error,
sid=sid,
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version=str(version),
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)
error.save(commit=True)
# raise err
self.response = jsonify(err)
self.response.status_code = 400
return self.response
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api.add_url_rule('/inventory/', view_func=InventoryView.as_view('inventory'))