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import base64 |
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import re |
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import falcon |
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import mysql.connector |
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import simplejson as json |
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from core.useractivity import user_logger, admin_control |
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import config |
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class EmailServerCollection: |
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""" |
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Email Server Collection Resource |
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This class handles CRUD operations for email server collection. |
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It provides endpoints for listing all email servers and creating new servers. |
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Email servers configure SMTP settings for sending notifications. |
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""" |
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def __init__(self): |
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"""Initialize EmailServerCollection""" |
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pass |
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@staticmethod |
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def on_options(req, resp): |
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"""Handle OPTIONS requests for CORS preflight""" |
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_ = req |
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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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admin_control(req) |
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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.close() |
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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.text = json.dumps(result) |
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@staticmethod |
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@user_logger |
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def on_post(req, resp): |
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"""Handles POST requests""" |
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admin_control(req) |
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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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print(ex) |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.FAILED_TO_READ_REQUEST_STREAM') |
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new_values = json.loads(raw_json) |
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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(status=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(status=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(status=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(status=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(status=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(status=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(r'^[_A-Za-z0-9-]+(\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9-]+)*(\.[A-Za-z]{2,4})$', |
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from_addr) |
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if match is None: |
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raise falcon.HTTPError(status=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.close() |
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raise falcon.HTTPError(status=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.close() |
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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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def __init__(self): |
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pass |
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@staticmethod |
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def on_options(req, resp, id_): |
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_ = req |
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resp.status = falcon.HTTP_200 |
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_ = id_ |
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@staticmethod |
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def on_get(req, resp, id_): |
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admin_control(req) |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(status=falcon.HTTP_400, title='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.close() |
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if row is None: |
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raise falcon.HTTPError(status=falcon.HTTP_404, title='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.text = json.dumps(result) |
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@staticmethod |
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@user_logger |
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def on_delete(req, resp, id_): |
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"""Handles DELETE requests""" |
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admin_control(req) |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(status=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.close() |
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raise falcon.HTTPError(status=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.close() |
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resp.status = falcon.HTTP_204 |
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@staticmethod |
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@user_logger |
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def on_put(req, resp, id_): |
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"""Handles PUT requests""" |
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admin_control(req) |
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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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print(str(ex)) |
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raise falcon.HTTPError(status=falcon.HTTP_400, |
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title='API.BAD_REQUEST', |
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description='API.FAILED_TO_READ_REQUEST_STREAM') |
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if not id_.isdigit() or int(id_) <= 0: |
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raise falcon.HTTPError(status=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) |
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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(status=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(status=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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255
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256
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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(status=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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262
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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(status=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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271
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272
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if requires_authentication: |
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273
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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(status=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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279
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else: |
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password = None |
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281
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282
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if 'from_addr' not in new_values['data'].keys() or \ |
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283
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not isinstance(new_values['data']['from_addr'], str) or \ |
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284
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len(str.strip(new_values['data']['from_addr'])) == 0: |
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285
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raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
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286
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description='API.INVALID_FROM_ADDR') |
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287
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from_addr = new_values['data']['from_addr'] |
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288
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289
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match = re.match(r'^[_A-Za-z0-9-]+(\.[_A-Za-z0-9-]+)*@[A-Za-z0-9-]+(\.[A-Za-z0-9-]+)*(\.[A-Za-z]{2,4})$', |
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290
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from_addr) |
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291
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if match is None: |
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292
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|
|
raise falcon.HTTPError(status=falcon.HTTP_400, title='API.BAD_REQUEST', |
|
293
|
|
|
description='API.INVALID_FROM_ADDR') |
|
294
|
|
|
|
|
295
|
|
|
cnx = mysql.connector.connect(**config.myems_fdd_db) |
|
296
|
|
|
cursor = cnx.cursor() |
|
297
|
|
|
|
|
298
|
|
|
cursor.execute(" SELECT id " |
|
299
|
|
|
" FROM tbl_email_servers " |
|
300
|
|
|
" WHERE id = %s ", |
|
301
|
|
|
(id_,)) |
|
302
|
|
|
if cursor.fetchone() is None: |
|
303
|
|
|
cursor.close() |
|
304
|
|
|
cnx.close() |
|
305
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.NOT_FOUND', |
|
306
|
|
|
description='API.EMAIL_SERVER_NOT_FOUND') |
|
307
|
|
|
|
|
308
|
|
|
cursor.execute(" SELECT host " |
|
309
|
|
|
" FROM tbl_email_servers " |
|
310
|
|
|
" WHERE host = %s AND id != %s ", (host, id_)) |
|
311
|
|
|
if cursor.fetchone() is not None: |
|
312
|
|
|
cursor.close() |
|
313
|
|
|
cnx.close() |
|
314
|
|
|
raise falcon.HTTPError(status=falcon.HTTP_404, title='API.BAD_REQUEST', |
|
315
|
|
|
description='API.EMAIL_SERVER_HOST_IS_ALREADY_IN_USE') |
|
316
|
|
|
|
|
317
|
|
|
update_row = (" UPDATE tbl_email_servers " |
|
318
|
|
|
" SET host = %s, port = %s, requires_authentication = %s, " |
|
319
|
|
|
" user_name = %s, password = %s, from_addr = %s " |
|
320
|
|
|
" WHERE id = %s ") |
|
321
|
|
|
cursor.execute(update_row, (host, |
|
322
|
|
|
port, |
|
323
|
|
|
requires_authentication, |
|
324
|
|
|
user_name, |
|
325
|
|
|
password, |
|
326
|
|
|
from_addr, |
|
327
|
|
|
id_,)) |
|
328
|
|
|
cnx.commit() |
|
329
|
|
|
|
|
330
|
|
|
cursor.close() |
|
331
|
|
|
cnx.close() |
|
332
|
|
|
|
|
333
|
|
|
resp.status = falcon.HTTP_200 |
|
334
|
|
|
|