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https://github.com/aljazceru/python-teos.git
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74ecf0ab54
Add endpoint and logic so appointment can be queried to pisa. A better implementation based on persistent storage (i.e. DB) should replace it in the future
121 lines
4.0 KiB
Python
121 lines
4.0 KiB
Python
from pisa import *
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from pisa.watcher import Watcher
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from pisa.inspector import Inspector
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from pisa.appointment import Appointment
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from flask import Flask, request, Response, abort
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import json
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app = Flask(__name__)
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HTTP_OK = 200
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HTTP_BAD_REQUEST = 400
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@app.route('/', methods=['POST'])
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def add_appointment():
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remote_addr = request.environ.get('REMOTE_ADDR')
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remote_port = request.environ.get('REMOTE_PORT')
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if debug:
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logging.info('[API] connection accepted from {}:{}'.format(remote_addr, remote_port))
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# Check content type once if properly defined
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request_data = json.loads(request.get_json())
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appointment = inspector.inspect(request_data)
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if type(appointment) == Appointment:
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appointment_added = watcher.add_appointment(appointment, debug, logging)
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rcode = HTTP_OK
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# FIXME: Response should be signed receipt (created and signed by the API)
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if appointment_added:
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response = "appointment accepted"
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else:
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response = "appointment rejected"
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# FIXME: change the response code maybe?
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elif type(appointment) == tuple:
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rcode = HTTP_BAD_REQUEST
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response = "appointment rejected. Error {}: {}".format(appointment[0], appointment[1])
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else:
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rcode = HTTP_BAD_REQUEST
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response = "appointment rejected. Request does not match the standard"
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# Send response back. Change multiprocessing.connection for an http based connection
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if debug:
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logging.info('[API] sending response and disconnecting: {} --> {}:{}'.format(response, remote_addr,
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remote_port))
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return Response(response, status=rcode, mimetype='text/plain')
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# FIXME: THE NEXT TWO API ENDPOINTS ARE FOR TESTING AND SHOULD BE REMOVED / PROPERLY MANAGED BEFORE PRODUCTION!
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@app.route('/get_appointment', methods=['GET'])
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def get_appointment():
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locator = request.args.get('locator')
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response = []
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job_in_watcher = watcher.appointments.get(locator)
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if job_in_watcher:
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for job in job_in_watcher:
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job_data = job.to_json()
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job_data['status'] = "being watched"
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response.append(job_data)
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if watcher.responder:
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responder_jobs = watcher.responder.jobs
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for job_id, job in responder_jobs.items():
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if job.locator == locator:
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job_data = job.to_json()
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job_data['status'] = "dispute responded"
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job_data['confirmations'] = watcher.responder.confirmation_counter.get(job_id)
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response.append(job_data)
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if not response:
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response.append({"locator": locator, "status": "not found"})
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response = json.dumps(response)
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return response
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@app.route('/get_all_appointments', methods=['GET'])
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def get_all_appointments():
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watcher_appointments = []
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responder_jobs = []
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if request.remote_addr in ['localhost', '127.0.0.1']:
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for app_id, appointment in watcher.appointments.items():
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jobs_data = [job.to_json() for job in appointment]
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watcher_appointments.append({app_id: jobs_data})
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if watcher.responder:
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for job_id, job in watcher.responder.jobs.items():
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job_data = job.to_json()
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job_data['confirmations'] = watcher.responder.confirmation_counter.get(job_id)
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responder_jobs.append({job_id: job_data})
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response = json.dumps({"watcher_appointments": watcher_appointments, "responder_jobs": responder_jobs})
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else:
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abort(404)
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return response
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def start_api(d, l):
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# FIXME: Pretty ugly but I haven't found a proper way to pass it to add_appointment
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global debug, logging, watcher, inspector
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debug = d
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logging = l
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watcher = Watcher()
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inspector = Inspector(debug, logging)
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# Setting Flask log t ERROR only so it does not mess with out logging
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logging.getLogger('werkzeug').setLevel(logging.ERROR)
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app.run(host=HOST, port=PORT)
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