mirror of
https://github.com/simple-login/app.git
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125 lines
4.2 KiB
Python
125 lines
4.2 KiB
Python
import json
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import urllib.parse
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from typing import Union
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import requests
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from flask import render_template, request, flash, url_for, redirect, g
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from flask_login import login_required, current_user
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from werkzeug.datastructures import FileStorage
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from app.config import ZENDESK_HOST, ZENDESK_API_TOKEN
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from app.dashboard.base import dashboard_bp
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from app.extensions import limiter
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from app.log import LOG
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VALID_MIME_TYPES = ["text/plain", "message/rfc822"]
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def check_zendesk_response_status(response_code: int) -> bool:
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if response_code != 201:
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if response_code in (401, 422):
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LOG.error("Could not authenticate to Zendesk")
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else:
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LOG.error(
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"Problem with the Zendesk request. Status {}".format(response_code)
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)
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return False
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return True
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def upload_file_to_zendesk_and_get_upload_token(
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email: str, file: FileStorage
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) -> Union[None, str]:
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if file.mimetype not in VALID_MIME_TYPES and not file.mimetype.startswith("image/"):
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flash(
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"File {} is not an image, text or an email".format(file.filename), "warning"
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)
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return
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escaped_filename = urllib.parse.urlencode({"filename": file.filename})
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url = "https://{}/api/v2/uploads?{}".format(ZENDESK_HOST, escaped_filename)
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headers = {"content-type": file.mimetype}
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auth = ("{}/token".format(email), ZENDESK_API_TOKEN)
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response = requests.post(url, headers=headers, data=file.stream, auth=auth)
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if not check_zendesk_response_status(response.status_code):
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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 = []
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for file in files:
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if not file.filename:
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continue
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token = upload_file_to_zendesk_and_get_upload_token(email, file)
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if token is None:
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return False
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tokens.append(token)
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data = {
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"request": {
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"subject": "Ticket created for user {}".format(current_user.id),
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"comment": {"type": "Comment", "body": content, "uploads": tokens},
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"requester": {
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"name": "SimpleLogin user {}".format(current_user.id),
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"email": email,
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},
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}
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}
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url = "https://{}/api/v2/requests.json".format(ZENDESK_HOST)
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headers = {"content-type": "application/json"}
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auth = (f"{email}/token", ZENDESK_API_TOKEN)
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response = requests.post(url, data=json.dumps(data), headers=headers, auth=auth)
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if not check_zendesk_response_status(response.status_code):
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return False
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return True
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@dashboard_bp.route("/support", methods=["GET", "POST"])
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@login_required
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@limiter.limit(
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"2/hour",
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methods=["POST"],
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deduct_when=lambda r: hasattr(g, "deduct_limit") and g.deduct_limit,
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)
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def support_route():
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if not ZENDESK_HOST:
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flash("Support isn't enabled", "error")
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return redirect(url_for("dashboard.index"))
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if request.method == "POST":
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content = request.form.get("ticket_content")
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email = request.form.get("ticket_email")
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if not content:
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flash("Please add a description", "error")
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return render_template("dashboard/support.html", ticket_email=email)
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if not email:
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flash("Please provide an email address", "error")
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return render_template("dashboard/support.html", ticket_content=content)
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if not create_zendesk_request(
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email, content, request.files.getlist("ticket_files")
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):
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flash(
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"Cannot create a Zendesk ticket, sorry for the inconvenience! Please retry later.",
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"error",
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)
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return render_template(
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"dashboard/support.html", ticket_email=email, ticket_content=content
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)
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# only enable rate limiting for successful Zendesk ticket creation
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g.deduct_limit = True
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flash(
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"Support ticket is created. You will receive an email about its status.",
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"success",
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)
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return redirect(url_for("dashboard.index"))
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return render_template("dashboard/support.html", ticket_email=current_user.email)
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