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@ -2,31 +2,110 @@ import os
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import re
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import hashlib
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import time
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import ssl
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import configparser
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from pathlib import Path
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from flask import Flask, render_template, request
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from flask_dropzone import Dropzone
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from smtplib import SMTP_SSL as SMTP
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enabled_filetypes = ['txt', 'csv', 'pdf', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx']
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regex_email = re.compile('^[a-z0-9]+[\._]?[a-z0-9]+[@]\w+[.]\w{2,3}$')
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basedir = Path(__file__).resolve().parent
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upload_dir = basedir / 'uploads'
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if not upload_dir.exists:
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upload_dir.mkdir()
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import imaplib
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from smtplib import SMTP_SSL
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import email
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from email import encoders
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from email.mime.base import MIMEBase
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.mime.application import MIMEApplication
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import pdfkit
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from jinja2 import Environment, FileSystemLoader
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class ContractCreator:
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def __init__(self):
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template_loader = FileSystemLoader(searchpath="./")
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template_env = Environment(loader=template_loader)
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self.template = template_env.get_template('contract/template.html')
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self.pdfkit_options = {
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'page-size': 'A4',
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'margin-top': '0.75in',
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'margin-right': '0.75in',
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'margin-bottom': '0.75in',
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'margin-left': '0.75in',
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'encoding': "UTF-8",
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'custom-header' : [
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('Accept-Encoding', 'gzip')
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]
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}
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def fill_template(self, **kwargs):
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return self.template.render(**kwargs)
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def create_pdf(self, out_f, fields_dict):
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html_str = self.fill_template(**fields_dict)
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pdfkit.from_string(html_str, out_f, options=self.pdfkit_options)
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ENABLED_FILETYPES = ['txt', 'csv', 'pdf', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx']
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REGEX_EMAIL = re.compile('^[a-z0-9]+[\._]?[a-z0-9]+[@]\w+[.]\w{2,3}$')
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######################
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# Load configuration #
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######################
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config = configparser.ConfigParser()
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config.read('config.ini')
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config = config['DEFAULT']
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MAIL_HOST = config['MAIL_HOST']
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MAIL_LOGIN = config['MAIL_LOGIN']
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MAIL_PASS = config['MAIL_PASS']
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SMTP_PORT = int(config['SMTP_PORT'])
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IMAP_PORT = int(config['IMAP_PORT'])
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MAX_UPLOAD_SIZE = int(config['MAX_UPLOAD_SIZE']) # Bytes
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CONTRACT_CLIENT_CONTACT = config['CONTRACT_CLIENT_CONTACT']
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if 'BASE_DIR' in config:
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BASE_DIR = Path(config['BASE_DIR'])
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else:
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BASE_DIR = Path(__file__).resolve().parent
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# Override configs with environment variables, if set
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if 'PORTALDS4DS1_MAIL_HOST' in os.environ:
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MAIL_HOST = os.environ('PORTALDS4DS1_MAIL_HOST')
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if 'PORTALDS4DS1_MAIL_LOGIN' in os.environ:
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MAIL_LOGIN = os.environ('PORTALDS4DS1_MAIL_LOGIN')
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if 'PORTALDS4DS1_MAIL_PASS' in os.environ:
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MAIL_PASS = os.environ('PORTALDS4DS1_MAIL_PASS')
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if 'PORTALDS4DS1_SMTP_PORT' in os.environ:
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SMTP_PORT = int(os.environ('PORTALDS4DS1_SMTP_PORT'))
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if 'PORTALDS4DS1_IMAP_PORT' in os.environ:
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IMAP_PORT = int(os.environ('PORTALDS4DS1_IMAP_PORT'))
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if 'MAX_UPLOAD_SIZE' in os.environ:
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MAX_UPLOAD_SIZE = int(os.environ('PORTALDS4DS1_MAX_UPLOAD_SIZE'))
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if 'CONTRACT_CLIENT_CONTACT' in os.environ:
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CONTRACT_CLIENT_CONTACT = os.environ('PORTALDS4DS1_CONTRACT_CLIENT_CONTACT')
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UPLOAD_DIR = BASE_DIR / 'uploads'
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if not UPLOAD_DIR.exists:
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UPLOAD_DIR.mkdir(parents=True)
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######################
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app = Flask(__name__)
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app.config.update(
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UPLOADED_PATH = upload_dir,
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MAX_CONTENT_LENGTH = 1000000000, # 1GB
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UPLOADED_PATH = UPLOAD_DIR,
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MAX_CONTENT_LENGTH = MAX_UPLOAD_SIZE,
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TEMPLATES_AUTO_RELOAD = True
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)
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dropzone = Dropzone(app)
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contract_creator = ContractCreator()
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@app.route('/')
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def index():
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@ -49,28 +128,75 @@ def handle_upload():
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if err:
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return err, 400
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file_hashes = create_file_hashes(files)
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store_metadata(request.form, file_hashes)
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store_datafiles(files, file_hashes)
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send_confirm_mail(request.form.get('email'))
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upload_metadata = get_upload_metadata(request)
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contract_file_name = generate_contract_pdf(upload_metadata)
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# Add contract_file_name to metadata TODO: move somewhere else
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upload_metadata['contract'] = contract_file_name
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store_datafiles(files, upload_metadata)
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store_metadata(upload_metadata)
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send_confirm_mail(upload_metadata)
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return 'Uspešno ste oddali datotek(e). Št. datotek: {}'.format(len(files))
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def get_upload_metadata(request):
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upload_metadata = dict()
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file_hashes = create_file_hashes(request.files)
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form_data = request.form.copy()
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upload_timestamp = int(time.time())
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upload_id = create_upload_id(form_data, upload_timestamp, file_hashes)
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upload_metadata['form_data'] = form_data
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upload_metadata['upload_id'] = upload_id
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upload_metadata['timestamp'] = upload_timestamp
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upload_metadata['file_hashes'] = file_hashes
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return upload_metadata
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def check_suffixes(files):
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for key, f in files.items():
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if key.startswith('file'):
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suffix = f.filename.split('.')[-1]
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if suffix not in enabled_filetypes:
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if suffix not in ENABLED_FILETYPES:
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return 'Datoteka "{}" ni pravilnega formata.'.format(f.filename)
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return None
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def get_subdir(dir_name):
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subdir = app.config['UPLOADED_PATH'] / dir_name
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if not subdir.exists():
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subdir.mkdir()
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return subdir
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def create_upload_id(form_data, upload_timestamp, file_hashes):
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tip = form_data.get('tip')
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ime = form_data.get('ime')
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podjetje = form_data.get('podjetje')
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naslov = form_data.get('naslov')
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posta = form_data.get('posta')
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email = form_data.get('email')
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telefon = form_data.get('telefon')
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# This hash serves as an unique identifier for the whole upload.
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metahash = hashlib.md5((tip+ime+podjetje+naslov+posta+email+telefon).encode())
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# Include file hashes to avoid metafile name collisions if they have the same form values,
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# but different data files. Sort hashes first so upload order doesn't matter.
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sorted_f_hashes = list(file_hashes.values())
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sorted_f_hashes.sort()
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metahash.update(''.join(sorted_f_hashes).encode())
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metahash = metahash.hexdigest()
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return metahash
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def check_form(form):
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tip = form.get('tip')
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ime = form.get('ime')
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podjetje = form.get('podjetje')
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naslov = form.get('naslov')
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posta = form.get('posta')
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email = form.get('email')
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telefon = form.get('telefon')
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@ -81,16 +207,22 @@ def check_form(form):
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return 'Predolgo ime.'
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if len(podjetje) > 100:
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return 'Predolgo ime institucije'
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return 'Predolgo ime institucije.'
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if len(email) > 100:
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return 'Predolgi email naslov'
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elif not re.search(regex_email, email):
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elif not re.search(REGEX_EMAIL, email):
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return 'Email napačnega formata.'
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if len(telefon) > 100:
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return 'Predolga telefonska št.'
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if len(naslov) > 100:
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return 'Predolg naslov.'
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if len(posta) > 100:
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return 'Predolga pošta'
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return None
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@ -105,42 +237,35 @@ def create_file_hashes(files):
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return res
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def store_metadata(form, file_hashes):
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base = app.config['UPLOADED_PATH'] / 'meta'
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if not base.exists():
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base.mkdir()
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def store_metadata(upload_metadata):
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base = get_subdir('meta')
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tip = form.get('tip')
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ime = form.get('ime')
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podjetje = form.get('podjetje')
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email = form.get('email')
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telefon = form.get('telefon')
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timestamp = upload_metadata['timestamp']
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upload_id = upload_metadata['upload_id']
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form_data = upload_metadata['form_data']
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email = form_data['email']
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file_hashes = upload_metadata['file_hashes']
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contract = upload_metadata['contract']
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filename = str(timestamp) + '-' + email + '-' + upload_id + '.meta'
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# This hash serves as an identifier for the whole upload.
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metahash = hashlib.md5((tip+ime+podjetje+email+telefon).encode())
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# Include file hashes to avoid metafile name collisions if they have the same form values,
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# but different data files. Sort hashes first so upload order doesn't matter.
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sorted_f_hashes = list(file_hashes.values())
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sorted_f_hashes.sort()
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metahash.update(''.join(sorted_f_hashes).encode())
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metahash = metahash.hexdigest()
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timestamp = int(time.time())
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filename = str(timestamp) + '-' + email + '-' + metahash + '.meta'
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path = base / filename
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with path.open('w') as f:
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f.write('tip=' + tip)
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f.write('\nime=' + ime)
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f.write('\npodjetje=' + podjetje)
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f.write('\nemail=' + email)
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f.write('tip=' + form_data['tip'])
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f.write('\nime=' + form_data['ime'])
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f.write('\npodjetje=' + form_data['podjetje'])
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f.write('\nnaslov=' + form_data['naslov'])
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f.write('\nposta=' + form_data['posta'])
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f.write('\nemail=' + form_data['email'])
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f.write('\ndatoteke=' + str(sorted_f_hashes))
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f.write('\npogodba=' + contract)
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def store_datafiles(files, file_hashes):
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base = app.config['UPLOADED_PATH'] / 'files'
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if not base.exists():
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base.mkdir()
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def store_datafiles(files, upload_metadata):
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base = get_subdir('files')
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file_hashes = upload_metadata['file_hashes']
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for key, f in files.items():
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if key.startswith('file'):
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@ -149,19 +274,55 @@ def store_datafiles(files, file_hashes):
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path.mkdir()
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f.save(path / f.filename)
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def send_confirm_mail(email):
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#msg = MIMEText(content, text_subtype)
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#msg['Subject'] = "TEST"
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#msg['From'] = sender # some SMTP servers will do this automatically, not all
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#conn = SMTP(SMTPserver)
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#conn.set_debuglevel(False)
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#conn.login(USERNAME, PASSWORD)
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#try:
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# conn.sendmail(sender, destination, msg.as_string())
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#finally:
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# conn.quit()
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pass
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def generate_contract_pdf(upload_metadata):
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base = get_subdir('contracts')
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contract_file_name = upload_metadata['upload_id'] + '.pdf'
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form_data = upload_metadata['form_data']
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data = {
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'ime_priimek': form_data['ime'],
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'naslov': form_data['naslov'],
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'posta': form_data['posta'],
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'kontakt_narocnik': CONTRACT_CLIENT_CONTACT,
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'kontakt_imetnikpravic': form_data['ime']
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}
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contract_creator.create_pdf(base / contract_file_name, data)
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return contract_file_name
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def send_confirm_mail(upload_metadata):
|
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|
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body = 'Usprešno ste oddali besedila. V prilogi vam pošiljamo pogodbo.'
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|
|
message = MIMEMultipart()
|
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|
|
message['From'] = MAIL_LOGIN
|
|
|
|
|
message['To'] = upload_metadata['form_data']['email']
|
|
|
|
|
message['Subject'] = 'Pogodba za oddana besedila ' + upload_metadata['upload_id']
|
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|
|
|
message.attach(MIMEText(body, "plain"))
|
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|
|
contracts_dir = get_subdir('contracts')
|
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|
|
|
base_name = upload_metadata['contract']
|
|
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|
|
contract_file = contracts_dir / base_name
|
|
|
|
|
with open(contract_file, "rb") as f:
|
|
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|
|
part = MIMEApplication(
|
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|
|
f.read(),
|
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|
|
Name = base_name
|
|
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|
|
)
|
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|
|
part['Content-Disposition'] = 'attachment; filename="%s"' % base_name
|
|
|
|
|
message.attach(part)
|
|
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|
|
|
|
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|
|
text = message.as_string()
|
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|
|
# Create a secure SSL context
|
|
|
|
|
context = ssl.create_default_context()
|
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|
|
|
|
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|
|
with SMTP_SSL(MAIL_HOST, SMTP_PORT, context=context) as server:
|
|
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|
|
server.login(MAIL_LOGIN, MAIL_PASS)
|
|
|
|
|
server.sendmail(message['From'], message['To'], text)
|
|
|
|
|
|
|
|
|
|
# Save copy of sent mail in Sent mailbox
|
|
|
|
|
imap = imaplib.IMAP4_SSL(MAIL_HOST, IMAP_PORT)
|
|
|
|
|
imap.login(MAIL_LOGIN, MAIL_PASS)
|
|
|
|
|
imap.append('Sent', '\\Seen', imaplib.Time2Internaldate(time.time()), text.encode('utf8'))
|
|
|
|
|
imap.logout()
|
|
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|
|
if __name__ == '__main__':
|
|
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|
msinkec
3 years ago