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launch_worker_mail.py
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# This file is part of Open-Capture.
# Open-Capture is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# Open-Capture is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with Open-Capture. If not, see <https://www.gnu.org/licenses/gpl-3.0.html>.
# @dev : Nathan Cheval <[email protected]>
import os
import sys
import argparse
import tempfile
import datetime
from src.backend import app
from flask_babel import gettext
from src.backend.classes.Log import Log
from src.backend.classes.Mail import Mail
from src.backend.main_splitter import launch as launch_splitter
from src.backend.functions import retrieve_config_from_custom_id
from src.backend.main import launch as launch_verifier, create_classes_from_custom_id
def str2bool(value):
"""
Function to convert string to boolean
:return: Boolean
"""
return value.lower() in "true"
def check_folders(folder_crawl, folder_dest=False):
"""
Check if IMAP folder exist
:param folder_crawl: IMAP source folder
:param folder_dest: IMAP destination folder (if action is made to move or delete)
:return: Boolean
"""
if not mail.check_if_folder_exist(folder_crawl):
print('The folder to crawl "' + folder_to_crawl + '" doesnt exist')
return False
else:
if folder_dest is not False:
if not mail.check_if_folder_exist(folder_dest):
print('The destination folder "' + str(folder_dest) + '" doesnt exist')
return False
return True
# construct the argument parse and parse the arguments
ap = argparse.ArgumentParser()
ap.add_argument("-c", "--custom-id", required=True, help="Identifier of the custom")
args = vars(ap.parse_args())
if not retrieve_config_from_custom_id(args['custom_id']):
sys.exit('Custom config file couldn\'t be found')
database, config, regex, files, ocr, log, _, spreadsheet, smtp, docservers, configurations, languages, _ = create_classes_from_custom_id(args['custom_id'])
processes = database.select({
'select': ['*'],
'table': ['mailcollect'],
'where': ['status <> %s', 'enabled = %s'],
'data': ['DEL', True]
})
if not processes:
exit('No processes available')
docservers_mailcollect = database.select({
'select': ['*'],
'table': ['docservers'],
'where': ['docserver_id = %s'],
'data': ['MAILCOLLECT_BATCHES']
})
if not docservers_mailcollect:
exit('Error with smtp settings in configurations table')
docservers_mailcollect = docservers_mailcollect[0]
config_mail = {}
with app.app_context():
for process in processes:
print('Start process : ' + process['name'])
for _p in process:
config_mail[_p] = process[_p]
now = datetime.datetime.now()
path = docservers_mailcollect['path'] + '/' + process['name'] + '/' + str('%02d' % now.year) + str('%02d' % now.month) + str('%02d' % now.day) + '/'
path_without_time = docservers_mailcollect['path']
mail = Mail(
config_mail['hostname'],
config_mail['port'],
config_mail['login'],
config_mail['password'],
config_mail['oauth'],
config_mail['tenant_id'],
config_mail['client_id'],
config_mail['secret'],
config_mail['scopes'],
config_mail['authority']
)
secured_connection = config_mail['secured_connection']
folder_trash = config_mail['folder_trash']
action = config_mail['action_after_process']
folder_to_crawl = config_mail['folder_to_crawl']
folder_destination = config_mail['folder_destination']
isSplitter = config_mail['is_splitter']
splitterWorkflowId = config_mail['splitter_workflow_id'] if 'splitter_workflow_id' in config_mail else None
verifierWorkflowId = config_mail['verifier_workflow_id'] if 'verifier_workflow_id' in config_mail else None
verifierInsertBody = config_mail['verifier_insert_body_as_doc']
splitterInsertBody = config_mail['splitter_insert_body_as_doc']
mail.test_connection(secured_connection)
if action == 'delete':
if folder_trash != '':
check = check_folders(folder_to_crawl, folder_trash)
else:
check = check_folders(folder_to_crawl)
elif action == 'move':
check = check_folders(folder_to_crawl, folder_destination)
else:
check = check_folders(folder_to_crawl)
if check:
mail.select_folder(folder_to_crawl)
emails = mail.retrieve_message()
if len(emails) > 0:
now = datetime.datetime.now()
if not os.path.exists(path):
os.makedirs(path)
year, month, day = [str('%02d' % now.year), str('%02d' % now.month), str('%02d' % now.day)]
hour, minute, second, microsecond = [str('%02d' % now.hour), str('%02d' % now.minute), str('%02d' % now.second), str('%02d' % now.microsecond)]
date_batch = year + month + day + '_' + hour + minute + second + microsecond
batch_path = tempfile.mkdtemp(dir=path, prefix='BATCH_' + date_batch + '_')
print('Batch name : ' + batch_path)
print('Batch error name : ' + docservers_mailcollect['path'] + '/_ERROR/' + batch_path.split('/MailCollect/')[1])
Log = Log(batch_path + '/' + date_batch + '.log', smtp)
Log.info('Start following batch : ' + os.path.basename(os.path.normpath(batch_path)))
Log.info('Action after processing e-mail is : ' + action)
Log.info('Number of e-mail to process : ' + str(len(emails)))
cpt_mail = 1
for msg in emails:
mail.backup_email(msg, batch_path)
insert_doc = verifierInsertBody if not isSplitter else splitterInsertBody
ret = mail.construct_dict(msg, batch_path, configurations, insert_doc)
if insert_doc:
Log.info('Start to process e-mail body and attachments')
else:
Log.info('Start to process only attachments')
Log.info('Process e-mail n°' + str(cpt_mail) + '/' + str(len(emails)))
if not insert_doc:
if len(ret['attachments']) > 0:
Log.info('Found ' + str(len(ret['attachments'])) + ' attachments')
cpt = 1
for attachment in ret['attachments']:
if attachment['format'].lower() == 'pdf':
if not isSplitter:
task_id_monitor = database.insert({
'table': 'monitoring',
'columns': {
'status': 'wait',
'module': 'verifier',
'filename': os.path.basename(attachment['file']),
'workflow_id': verifierWorkflowId,
'source': 'cli'
}
})
launch_verifier({
'cpt': str(cpt),
'isMail': True,
'ip': '0.0.0.0',
'source': 'email',
'process': process,
'batch_path': batch_path,
'file': attachment['file'],
'user_info': 'mailcollect',
'custom_id': args['custom_id'],
'process_name': process['name'],
'workflow_id': verifierWorkflowId,
'task_id_monitor': task_id_monitor,
'log': batch_path + '/' + date_batch + '.log',
'nb_of_attachments': str(len(ret['attachments'])),
'error_path': path_without_time + '/_ERROR/' + process['name'] + '/' + year + month + day,
'msg': {
'uid': msg.uid,
'subject': msg.subject,
'date': msg.date.strftime('%d/%m/%Y %H:%M:%S')
}
})
else:
task_id_monitor = database.insert({
'table': 'monitoring',
'columns': {
'status': 'wait',
'module': 'splitter',
'filename': os.path.basename(attachment['file']),
'workflow_id': splitterWorkflowId,
'source': 'cli'
}
})
launch_splitter({
'isMail': True,
'cpt': str(cpt),
'ip': '0.0.0.0',
'batch_path': batch_path,
'process': process['name'],
'user_info': 'mailcollect',
'file': attachment['file'],
'custom_id': args['custom_id'],
'workflow_id': splitterWorkflowId,
'task_id_monitor': task_id_monitor,
'log': batch_path + '/' + date_batch + '.log',
'nb_of_attachments': str(len(ret['attachments'])),
'error_path': path_without_time + '/_ERROR/' + process['name'] + '/' + year + month + day,
'msg': {
'uid': msg.uid,
'subject': msg.subject if msg.subject else gettext('NO_SUBJECT'),
'date': msg.date.strftime('%d/%m/%Y %H:%M:%S')
}
})
else:
Log.info('Attachment n°' + str(cpt) + ' is not a PDF file')
cpt = cpt + 1
else:
Log.info('No attachments found')
else:
if not isSplitter:
task_id_monitor = database.insert({
'table': 'monitoring',
'columns': {
'status': 'wait',
'module': 'verifier',
'filename': ret['file']['filename'],
'workflow_id': verifierWorkflowId,
'source': 'cli'
}
})
launch_verifier({
'isMail': True,
'ip': '0.0.0.0',
'source': 'email',
'process': process,
'file': ret['file']['path'],
'batch_path': batch_path,
'user_info': 'mailcollect',
'custom_id': args['custom_id'],
'process_name': process['name'],
'attachments': ret['attachments'],
'workflow_id': verifierWorkflowId,
'task_id_monitor': task_id_monitor,
'log': batch_path + '/' + date_batch + '.log',
'error_path': path_without_time + '/_ERROR/' + process['name'] + '/' + year + month + day,
'msg': {
'uid': msg.uid,
'subject': msg.subject,
'date': msg.date.strftime('%d/%m/%Y %H:%M:%S')
}
})
else:
task_id_monitor = database.insert({
'table': 'monitoring',
'columns': {
'status': 'wait',
'module': 'splitter',
'filename': ret['file']['filename'],
'workflow_id': splitterWorkflowId,
'source': 'cli'
}
})
launch_splitter({
'isMail': True,
'ip': '0.0.0.0',
'batch_path': batch_path,
'process': process['name'],
'user_info': 'mailcollect',
'file': ret['file']['path'],
'custom_id': args['custom_id'],
'attachments': ret['attachments'],
'workflow_id': splitterWorkflowId,
'task_id_monitor': task_id_monitor,
'log': batch_path + '/' + date_batch + '.log',
'error_path': path_without_time + '/_ERROR/' + process['name'] + '/' + year + month + day,
'msg': {
'uid': msg.uid,
'subject': msg.subject if msg.subject else gettext('NO_SUBJECT') + ' - ' + msg.date.strftime('%d/%m/%Y %H:%M:%S'),
'date': msg.date.strftime('%d/%m/%Y %H:%M:%S')
}
})
if action not in ['move', 'delete', 'none']:
action = 'none'
if action == 'move':
Log.info('Move mail into archive folder : ' + folder_destination)
mail.move_to_destination_folder(msg, folder_destination, Log)
elif action == 'delete':
Log.info('Move mail to trash')
mail.delete_mail(msg, folder_trash, Log)
cpt_mail = cpt_mail + 1
else:
print('Folder do not contain any e-mail...')
else:
sys.exit(0)