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import falcon |
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import json |
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import mysql.connector |
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import config |
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import base64 |
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import re |
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class EmailServerCollection: |
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@staticmethod |
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def __init__(): |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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resp.status = falcon.HTTP_200 |
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@staticmethod |
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def on_get(req, resp): |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
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query = (" SELECT id, host, port, requires_authentication, user_name, password, from_addr " |
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" FROM tbl_email_servers ") |
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cursor.execute(query) |
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rows = cursor.fetchall() |
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cursor.close() |
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cnx.disconnect() |
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result = list() |
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if rows is not None and len(rows) > 0: |
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for row in rows: |
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meta_result = {"id": row[0], |
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"host": row[1], |
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"port": row[2], |
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"requires_authentication": bool(row[3]), |
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"user_name": row[4], |
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"password": str(base64.b64decode(bytearray(row[5], 'utf-8')), 'utf-8') |
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if row[5] is not None else None, |
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"from_addr": row[6]} |
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result.append(meta_result) |
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resp.body = json.dumps(result) |
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@staticmethod |
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def on_post(req, resp): |
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"""Handles POST requests""" |
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try: |
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raw_json = req.stream.read().decode('utf-8') |
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except Exception as ex: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.ERROR', description=ex) |
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new_values = json.loads(raw_json, encoding='utf-8') |
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if 'host' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['host'], str) or \ |
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len(str.strip(new_values['data']['host'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_EMAIL_SERVER_HOST') |
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host = str.strip(new_values['data']['host']) |
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if 'port' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['port'], int) or \ |
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new_values['data']['port'] <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_PORT') |
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port = float(new_values['data']['port']) |
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if 'requires_authentication' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['requires_authentication'], bool): |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_REQUIRES_AUTHENTICATION') |
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requires_authentication = new_values['data']['requires_authentication'] |
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if requires_authentication: |
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if 'user_name' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['user_name'], str) or \ |
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len(str.strip(new_values['data']['user_name'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_USER_NAME') |
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user_name = new_values['data']['user_name'] |
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else: |
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user_name = None |
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if requires_authentication: |
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if 'password' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['password'], str) or \ |
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len(str.strip(new_values['data']['password'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_PASSWORD') |
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password = base64.b64encode(bytearray(new_values['data']['password'], 'utf-8')) |
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else: |
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password = None |
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if 'from_addr' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['from_addr'], str) or \ |
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len(str.strip(new_values['data']['from_addr'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_FROM_ADDR') |
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from_addr = new_values['data']['from_addr'] |
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match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', from_addr) |
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if match is None: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_FROM_ADDR') |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
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cursor.execute(" SELECT host " |
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" FROM tbl_email_servers " |
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" WHERE host = %s ", (host,)) |
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if cursor.fetchone() is not None: |
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cursor.close() |
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cnx.disconnect() |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST', |
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description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE') |
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add_value = (" INSERT INTO tbl_email_servers " |
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" (host, port, requires_authentication, user_name, password, from_addr) " |
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" VALUES (%s, %s, %s, %s, %s, %s) ") |
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cursor.execute(add_value, (host, |
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port, |
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requires_authentication, |
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user_name, |
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password, |
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from_addr)) |
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new_id = cursor.lastrowid |
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cnx.commit() |
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cursor.close() |
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cnx.disconnect() |
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resp.status = falcon.HTTP_201 |
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resp.location = '/emailservers/' + str(new_id) |
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class EmailServerItem: |
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@staticmethod |
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def __init__(): |
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pass |
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@staticmethod |
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def on_options(req, resp, id_): |
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resp.status = falcon.HTTP_200 |
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@staticmethod |
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def on_get(req, resp, id_): |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, '400 Bad Request') |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
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query = (" SELECT id, host, port, requires_authentication, user_name, password, from_addr " |
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" FROM tbl_email_servers " |
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" WHERE id = %s ") |
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cursor.execute(query, (id_,)) |
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row = cursor.fetchone() |
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cursor.close() |
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cnx.disconnect() |
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if row is None: |
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raise falcon.HTTPError(falcon.HTTP_404, 'API.NOT_FOUND') |
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result = {"id": row[0], |
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"host": row[1], |
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"port": row[2], |
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"requires_authentication": bool(row[3]), |
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"user_name": row[4], |
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"password": str(base64.b64decode(bytearray(row[5], 'utf-8')), 'utf-8') |
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if row[5] is not None else None, |
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"from_addr": row[5]} |
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resp.body = json.dumps(result) |
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View Code Duplication |
@staticmethod |
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def on_delete(req, resp, id_): |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_EMAIL_SERVER_ID') |
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
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cursor.execute(" SELECT host " |
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" FROM tbl_email_servers " |
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" WHERE id = %s ", (id_,)) |
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if cursor.fetchone() is None: |
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cursor.close() |
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cnx.disconnect() |
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
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description='API.EMAIL_SERVER_NOT_FOUND') |
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cursor.execute(" DELETE FROM tbl_email_servers WHERE id = %s ", (id_,)) |
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cnx.commit() |
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cursor.close() |
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cnx.disconnect() |
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resp.status = falcon.HTTP_204 |
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201
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@staticmethod |
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def on_put(req, resp, id_): |
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"""Handles PUT requests""" |
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try: |
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raw_json = req.stream.read().decode('utf-8') |
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except Exception as ex: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.EXCEPTION', description=ex) |
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209
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_EMAIL_SERVER_ID') |
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new_values = json.loads(raw_json, encoding='utf-8') |
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if 'host' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['host'], str) or \ |
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len(str.strip(new_values['data']['host'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_EMAIL_SERVER_HOST') |
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host = str.strip(new_values['data']['host']) |
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if 'port' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['port'], int) or \ |
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new_values['data']['port'] <= 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_PORT') |
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port = float(new_values['data']['port']) |
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if 'requires_authentication' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['requires_authentication'], bool): |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_REQUIRES_AUTHENTICATION') |
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requires_authentication = new_values['data']['requires_authentication'] |
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if requires_authentication: |
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if 'user_name' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['user_name'], str) or \ |
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len(str.strip(new_values['data']['user_name'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_USER_NAME') |
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user_name = new_values['data']['user_name'] |
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else: |
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user_name = None |
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245
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if requires_authentication: |
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if 'password' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['password'], str) or \ |
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len(str.strip(new_values['data']['password'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_PASSWORD') |
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password = base64.b64encode(bytearray(new_values['data']['password'], 'utf-8')) |
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else: |
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password = None |
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if 'from_addr' not in new_values['data'].keys() or \ |
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not isinstance(new_values['data']['from_addr'], str) or \ |
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len(str.strip(new_values['data']['from_addr'])) == 0: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_FROM_ADDR') |
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from_addr = new_values['data']['from_addr'] |
261
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262
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match = re.match('^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$', from_addr) |
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if match is None: |
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raise falcon.HTTPError(falcon.HTTP_400, title='API.BAD_REQUEST', |
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description='API.INVALID_FROM_ADDR') |
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267
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cnx = mysql.connector.connect(**config.myems_fdd_db) |
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cursor = cnx.cursor() |
269
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270
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cursor.execute(" SELECT id " |
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" FROM tbl_email_servers " |
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" WHERE id = %s ", |
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(id_,)) |
274
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if cursor.fetchone() is None: |
275
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cursor.close() |
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cnx.disconnect() |
277
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raise falcon.HTTPError(falcon.HTTP_404, title='API.NOT_FOUND', |
278
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description='API.EMAIL_SERVER_NOT_FOUND') |
279
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280
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cursor.execute(" SELECT host " |
281
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" FROM tbl_email_servers " |
282
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" WHERE host = %s AND id != %s ", (host, id_)) |
283
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if cursor.fetchone() is not None: |
284
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cursor.close() |
285
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cnx.disconnect() |
286
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raise falcon.HTTPError(falcon.HTTP_404, title='API.BAD_REQUEST', |
287
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description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE') |
288
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289
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update_row = (" UPDATE tbl_email_servers " |
290
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" SET host = %s, port = %s, requires_authentication = %s, " |
291
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" user_name = %s, password = %s, from_addr = %s " |
292
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" WHERE id = %s ") |
293
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cursor.execute(update_row, (host, |
294
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port, |
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requires_authentication, |
296
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user_name, |
297
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password, |
298
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from_addr, |
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id_,)) |
300
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cnx.commit() |
301
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302
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cursor.close() |
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cnx.disconnect() |
304
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305
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resp.status = falcon.HTTP_200 |
306
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