app-MAIL-temp/app/dashboard/views/support.py

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import json
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import urllib.parse
from typing import Union
import requests
from flask import render_template, request, flash, url_for, redirect
from flask_login import login_required, current_user
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from werkzeug.datastructures import FileStorage
from app.dashboard.base import dashboard_bp
from app.log import LOG
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from app.models import Mailbox
from app.config import ZENDESK_HOST
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VALID_MIME_TYPES = ["text/plain", "message/rfc822"]
@dashboard_bp.route("/support", methods=["GET"])
@login_required
def show_support_dialog():
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if not ZENDESK_HOST:
return render_template("dashboard/support_disabled.html")
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return render_template("dashboard/support.html", ticket_email=current_user.email)
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def check_zendesk_response_status(response_code: int) -> bool:
if response_code != 201:
if response_code in (401 or 422):
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LOG.debug("Could not authenticate")
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else:
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LOG.debug("Problem with the request. Status {}".format(response_code))
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return False
return True
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def upload_file_to_zendesk_and_get_upload_token(file: FileStorage) -> Union[None, str]:
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if file.mimetype not in VALID_MIME_TYPES and not file.mimetype.startswith("image/"):
flash(
"File {} is not an image, text or an email".format(file.filename), "warning"
)
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return
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escaped_filename = urllib.parse.urlencode({"filename": file.filename})
url = "https://{}/api/v2/uploads?{}".format(ZENDESK_HOST, escaped_filename)
headers = {"content-type": file.mimetype}
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response = requests.post(url, headers=headers, data=file.stream)
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if not check_zendesk_response_status(response.status_code):
return
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data = response.json()
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return data["upload"]["token"]
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def create_zendesk_request(email: str, content: str, files: [FileStorage]) -> bool:
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tokens = []
for file in files:
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if not file.filename:
continue
token = upload_file_to_zendesk_and_get_upload_token(file)
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if token is None:
return False
tokens.append(token)
data = {
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"request": {
"subject": "Ticket created for user {}".format(current_user.id),
"comment": {"type": "Comment", "body": content, "uploads": tokens},
"requester": {
"name": "SimpleLogin user {}".format(current_user.id),
"email": email,
},
}
}
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url = "https://{}/api/v2/requests.json".format(ZENDESK_HOST)
headers = {"content-type": "application/json"}
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response = requests.post(url, data=json.dumps(data), headers=headers)
if not check_zendesk_response_status(response.status_code):
return False
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flash("Ticket was created. You should receive an email notification", "success")
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LOG.debug("Ticket created")
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return True
@dashboard_bp.route("/support", methods=["POST"])
@login_required
def process_support_dialog():
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if not ZENDESK_HOST:
return render_template("dashboard/support_disabled.html")
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content = request.form.get("ticket_content") or ""
email = request.form.get("ticket_email") or ""
if not content:
flash("Please add a description", "warning")
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return render_template("dashboard/support.html", ticket_email=email)
if not email:
flash("Please add an email", "warning")
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return render_template("dashboard/support.html", ticket_content=content)
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if create_zendesk_request(email, content, request.files.getlist("ticket_files")):
return render_template(
"dashboard/support_ticket_created.html", ticket_email=email
)
return render_template(
"dashboard/support.html", ticket_email=email, ticket_content=content
)