Source code for

import hashlib
import smtplib
import uuid
from collections import UserDict
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from ipaddress import IPv4Address, IPv6Address, ip_address
from random import randint
from typing import Union
from urllib.parse import urlencode
from pprint import pformat

[docs]class Event(UserDict): # HTTP PageView # Fields under __request__: # user_agent, user_ip, host, path, referer def __getattr__(self, name): return self["__request__"][name] or "" def _cid_v1(self): # Author: Cyrus Afrasiabi # Reference: # More at: pyga.utils.generate_hash hash_val = 1 if self.user_agent: hash_val = 0 for ordinal in map(ord, self.user_agent[::-1]): hash_val = ((hash_val << 6) & 0xfffffff) + ordinal + (ordinal << 14) left_most_7 = hash_val & 0xfe00000 if left_most_7 != 0: hash_val ^= left_most_7 >> 21 return ((randint(0, 0x7fffffff) ^ hash_val) & 0x7fffffff) def _cid_v2(self): # Author: Zhongchao Qian # More at: """ Generates a unique user ID Using the remote IP and client user agent, to produce a somewhat unique identifier for users. A UUID version 4 conforming to RFC 4122 is produced which is generally acceptable. It is not entirely random, but looks random enough to the outside. Using a hash func. the user info is completely anonymized. Args: remote_ip: Client IP address as a string, IPv4 or IPv6 user_agent: User agent string of the client """ try: rip: Union[IPv4Address, IPv6Address] = ip_address(self.user_ip) ip_packed = rip.packed except ValueError: # in the weird case I don't get an IP ip_packed = randint(0, 0xffffffff).to_bytes(4, 'big') # nosec h = hashlib.blake2b(digest_size=16, salt=b'biothings') h.update(ip_packed) h.update(self.user_agent.encode('utf-8', errors='replace')) d = bytearray(h.digest()) # truncating hash is not that bad, fixing some bits should be okay, too d[6] = 0x40 | (d[6] & 0x0f) # set version d[8] = 0x80 | (d[8] & 0x3f) # set variant u = str(uuid.UUID(bytes=bytes(d))) return u def _cid(self, version): if version == 1: return self._cid_v1() elif version == 2: return self._cid_v2() # this is a required GA field raise ValueError("CID Version.")
[docs] def to_GA_payload(self, tracking_id, cid_version=1): # by default implements # a GA PageView hit-type # In the future, consider adding additional # keys as cutomized dimensions or metrics. payload = { "v": 1, # protocol version "t": "pageview", "tid": tracking_id, "cid": self._cid(cid_version), "uip": self.user_ip, "dh":, "dp": self.path } # add document referer if isinstance(self.referer, str): if len(self.referer) <= 2048: # GA Limit payload["dr"] = self.referer # add user_agent if self.user_agent: payload["ua"] = self.user_agent # this also escapes payload vals return [urlencode(payload)]
def __str__(self): # to facilitate logging return f"{type(self).__name__}({pformat(self)})"
def _clean(dict): return {k: v for k, v in dict.items() if v}
[docs]class GAEvent(Event): # GA Event # { # "category": "video", # "action": "play", # "label": "sample.mpg", # "value": "60" # }
[docs] def to_GA_payload(self, tracking_id, cid_version=1): payloads = super().to_GA_payload(tracking_id, cid_version) if self.get("category") and self.get("action"): payloads.append(urlencode(_clean({ "v": 1, # protocol version "t": "event", "tid": tracking_id, "cid": self._cid(cid_version), "ec": self["category"], "ea": self["action"], "el": self.get("label", ""), "ev": self.get("value", "") }))) for event in self.get("__secondary__", []): event["__request__"] = self["__request__"] payloads.extend( event.to_GA_payload( tracking_id, cid_version)[1:]) # ignore the first event (pageview) # which is already generated once return payloads
[docs]class Message(Event): """ Logical document that can be sent through services. Processable fields: title, body, url, url_text, image, image_altext Optionally define default field values below. """ DEFAULTS = { "title": "Notification Message", "url_text": "View Details", "image_altext": "<IMAGE>" } def __getattr__(self, attr): # virtual attributes if attr in ('title', 'body', 'url', 'url_text', 'image', 'image_altext'): if attr in self: return self[attr] if attr in self.DEFAULTS: return self.DEFAULTS[attr] return "" raise AttributeError()
[docs] def to_ADF(self): """ Generate ADF for Atlassian Jira payload. Overwrite this to build differently. """ adf = { "version": 1, "type": "doc", "content": [] } if self.body: adf["content"].append({ "type": "paragraph", "content": [{"type": "text", "text": self.body}] }) if self.url: adf["content"].append({ "type": "paragraph", "content": [{ "type": "text", "text": self.url_text, "marks": [{"type": "link", "attrs": {"href": self.url}}] }] }) return adf
[docs] def to_slack_payload(self): """ Generate slack webhook notification payload. """ blocks = [] if self.title: blocks.append({ "type": "header", "text": { "type": "plain_text", "text": ":sparkles: " + self.title, "emoji": True } }) blocks.append({ "type": "divider" }) if self.body: body = { "type": "section", "text": {"type": "mrkdwn", "text": self.body}, } if self.image: body["accessory"] = { "type": "image", "image_url": self.image, "alt_text": self.image_altext } blocks.append(body) if self.url: blocks.append({ "type": "section", "text": { "type": "mrkdwn", "text": f"*<{self.url}|{self.url_text}>*"} }) return { "attachments": [{ "blocks": blocks }] }
[docs] def to_jira_payload(self, profile): """ Combine notification message with project profile to genereate jira issue tracking ticket request payload. """ return { "fields": { "project": {"id": profile.project_id}, "summary": self.title, "issuetype": {"id": profile.issuetype_id}, "assignee": {"id": profile.assignee_id}, "reporter": {"id": profile.reporter_id}, "priority": {"id": "3"}, "labels": [profile.label], "description": self.to_ADF() } }
[docs] def to_email_payload(self, sendfrom, sendto): """ Build a MIMEMultipart message that can be sent as an email. """ # Create message container - the correct MIME type is multipart/alternative. msg = MIMEMultipart('alternative') msg['Subject'] = self.title # msg['From'] = email.utils.formataddr((SENDERNAME, SENDER)) msg['From'] = sendfrom msg['To'] = sendto # Comment or delete the next line if you are not using a configuration set # msg.add_header('X-SES-CONFIGURATION-SET',CONFIGURATION_SET) # Record the MIME types of both parts - text/plain and text/html. part1 = MIMEText(self.body, 'plain') part2 = MIMEText(f""" <!DOCTYPE html> <html> <head> <title>{self.title}</title> </head> <body> <p>{self.body}</p> </body> </html>""", 'html') # Attach parts into message container. # According to RFC 2046, the last part of a multipart message, in this case # the HTML message, is best and preferred. msg.attach(part1) msg.attach(part2) return msg