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132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
import json
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from flask import Flask, request, Response, abort, jsonify
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from pisa import HOST, PORT, logging
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from pisa.logger import Logger
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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 pisa.block_processor import BlockProcessor
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# ToDo: #5-add-async-to-api
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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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HTTP_SERVICE_UNAVAILABLE = 503
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logger = Logger("API")
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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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logger.info('Connection accepted', from_addr_port='{}:{}'.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, signature = watcher.add_appointment(appointment)
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# ToDo: #13-create-server-side-signature-receipt
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if appointment_added:
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rcode = HTTP_OK
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response = "appointment accepted. locator: {}. signature: {}".format(appointment.locator, signature)
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else:
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rcode = HTTP_SERVICE_UNAVAILABLE
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response = "appointment rejected"
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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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# We should never end up here, since inspect only returns appointments or tuples. Just in case.
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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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logger.info('Sending response and disconnecting',
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from_addr_port='{}:{}'.format(remote_addr, remote_port), response=response)
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return Response(response, status=rcode, mimetype='text/plain')
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# FIXME: THE NEXT THREE API ENDPOINTS ARE FOR TESTING AND SHOULD BE REMOVED / PROPERLY MANAGED BEFORE PRODUCTION!
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# ToDo: #17-add-api-keys
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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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# ToDo: #15-add-system-monitor
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appointment_in_watcher = watcher.locator_uuid_map.get(locator)
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if appointment_in_watcher:
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for uuid in appointment_in_watcher:
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appointment_data = watcher.appointments[uuid].to_dict()
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appointment_data['status'] = "being_watched"
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response.append(appointment_data)
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if watcher.responder:
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responder_jobs = watcher.responder.jobs
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for job in responder_jobs.values():
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if job.locator == locator:
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job_data = job.to_dict()
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job_data['status'] = "dispute_responded"
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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 = jsonify(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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# ToDo: #15-add-system-monitor
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if request.remote_addr in request.host or request.remote_addr == '127.0.0.1':
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for uuid, appointment in watcher.appointments.items():
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watcher_appointments[uuid] = appointment.to_dict()
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if watcher.responder:
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for uuid, job in watcher.responder.jobs.items():
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responder_jobs[uuid] = job.to_dict()
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response = jsonify({"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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@app.route('/get_block_count', methods=['GET'])
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def get_block_count():
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return jsonify({"block_count": BlockProcessor.get_block_count()})
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def start_api():
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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 watcher, inspector
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# ToDo: #18-separate-api-from-watcher
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watcher = Watcher()
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inspector = Inspector()
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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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