mirror of https://github.com/morpheus65535/bazarr
467 lines
16 KiB
Python
467 lines
16 KiB
Python
# -*- coding: utf-8 -*-
|
||
#
|
||
# Copyright (C) 2019 Chris Caron <lead2gold@gmail.com>
|
||
# All rights reserved.
|
||
#
|
||
# This code is licensed under the MIT License.
|
||
#
|
||
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
# of this software and associated documentation files(the "Software"), to deal
|
||
# in the Software without restriction, including without limitation the rights
|
||
# to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
|
||
# copies of the Software, and to permit persons to whom the Software is
|
||
# furnished to do so, subject to the following conditions :
|
||
#
|
||
# The above copyright notice and this permission notice shall be included in
|
||
# all copies or substantial portions of the Software.
|
||
#
|
||
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
|
||
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
# THE SOFTWARE.
|
||
#
|
||
# You will need an API Key for this plugin to work.
|
||
# From the Settings -> API Keys you can click "Create API Key" if you don't
|
||
# have one already. The key must have at least the "Mail Send" permission
|
||
# to work.
|
||
#
|
||
# The schema to use the plugin looks like this:
|
||
# {schema}://{apikey}:{from_email}
|
||
#
|
||
# Your {from_email} must be comprissed of your Sendgrid Authenticated
|
||
# Domain. The same domain must have 'Link Branding' turned on as well or it
|
||
# will not work. This can be seen from Settings -> Sender Authentication.
|
||
|
||
# If you're (SendGrid) verified domain is example.com, then your schema may
|
||
# look something like this:
|
||
|
||
# Simple API Reference:
|
||
# - https://sendgrid.com/docs/API_Reference/Web_API_v3/index.html
|
||
# - https://sendgrid.com/docs/ui/sending-email/\
|
||
# how-to-send-an-email-with-dynamic-transactional-templates/
|
||
|
||
import requests
|
||
from json import dumps
|
||
|
||
from .NotifyBase import NotifyBase
|
||
from ..common import NotifyFormat
|
||
from ..common import NotifyType
|
||
from ..utils import parse_list
|
||
from ..utils import is_email
|
||
from ..utils import validate_regex
|
||
from ..AppriseLocale import gettext_lazy as _
|
||
|
||
# Extend HTTP Error Messages
|
||
SENDGRID_HTTP_ERROR_MAP = {
|
||
401: 'Unauthorized - You do not have authorization to make the request.',
|
||
413: 'Payload To Large - The JSON payload you have included in your '
|
||
'request is too large.',
|
||
429: 'Too Many Requests - The number of requests you have made exceeds '
|
||
'SendGrid’s rate limitations.',
|
||
}
|
||
|
||
|
||
class NotifySendGrid(NotifyBase):
|
||
"""
|
||
A wrapper for Notify SendGrid Notifications
|
||
"""
|
||
|
||
# The default descriptive name associated with the Notification
|
||
service_name = 'SendGrid'
|
||
|
||
# The services URL
|
||
service_url = 'https://sendgrid.com'
|
||
|
||
# The default secure protocol
|
||
secure_protocol = 'sendgrid'
|
||
|
||
# A URL that takes you to the setup/help of the specific protocol
|
||
setup_url = 'https://github.com/caronc/apprise/wiki/Notify_sendgrid'
|
||
|
||
# Default to markdown
|
||
notify_format = NotifyFormat.HTML
|
||
|
||
# The default Email API URL to use
|
||
notify_url = 'https://api.sendgrid.com/v3/mail/send'
|
||
|
||
# Allow 300 requests per minute.
|
||
# 60/300 = 0.2
|
||
request_rate_per_sec = 0.2
|
||
|
||
# The default subject to use if one isn't specified.
|
||
default_empty_subject = '<no subject>'
|
||
|
||
# Define object templates
|
||
templates = (
|
||
'{schema}://{apikey}:{from_email}',
|
||
'{schema}://{apikey}:{from_email}/{targets}',
|
||
)
|
||
|
||
# Define our template arguments
|
||
template_tokens = dict(NotifyBase.template_tokens, **{
|
||
'apikey': {
|
||
'name': _('API Key'),
|
||
'type': 'string',
|
||
'private': True,
|
||
'required': True,
|
||
'regex': (r'^[A-Z0-9._-]+$', 'i'),
|
||
},
|
||
'from_email': {
|
||
'name': _('Source Email'),
|
||
'type': 'string',
|
||
'required': True,
|
||
},
|
||
'target_email': {
|
||
'name': _('Target Email'),
|
||
'type': 'string',
|
||
'map_to': 'targets',
|
||
},
|
||
'targets': {
|
||
'name': _('Targets'),
|
||
'type': 'list:string',
|
||
},
|
||
})
|
||
|
||
# Define our template arguments
|
||
template_args = dict(NotifyBase.template_args, **{
|
||
'to': {
|
||
'alias_of': 'targets',
|
||
},
|
||
'cc': {
|
||
'name': _('Carbon Copy'),
|
||
'type': 'list:string',
|
||
},
|
||
'bcc': {
|
||
'name': _('Blind Carbon Copy'),
|
||
'type': 'list:string',
|
||
},
|
||
'template': {
|
||
# Template ID
|
||
# The template ID is 64 characters with one dash (d-uuid)
|
||
'name': _('Template'),
|
||
'type': 'string',
|
||
},
|
||
})
|
||
|
||
# Support Template Dynamic Variables (Substitutions)
|
||
template_kwargs = {
|
||
'template_data': {
|
||
'name': _('Template Data'),
|
||
'prefix': '+',
|
||
},
|
||
}
|
||
|
||
def __init__(self, apikey, from_email, targets=None, cc=None,
|
||
bcc=None, template=None, template_data=None, **kwargs):
|
||
"""
|
||
Initialize Notify SendGrid Object
|
||
"""
|
||
super(NotifySendGrid, self).__init__(**kwargs)
|
||
|
||
# API Key (associated with project)
|
||
self.apikey = validate_regex(
|
||
apikey, *self.template_tokens['apikey']['regex'])
|
||
if not self.apikey:
|
||
msg = 'An invalid SendGrid API Key ' \
|
||
'({}) was specified.'.format(apikey)
|
||
self.logger.warning(msg)
|
||
raise TypeError(msg)
|
||
|
||
result = is_email(from_email)
|
||
if not result:
|
||
msg = 'Invalid ~From~ email specified: {}'.format(from_email)
|
||
self.logger.warning(msg)
|
||
raise TypeError(msg)
|
||
|
||
# Store email address
|
||
self.from_email = result['full_email']
|
||
|
||
# Acquire Targets (To Emails)
|
||
self.targets = list()
|
||
|
||
# Acquire Carbon Copies
|
||
self.cc = set()
|
||
|
||
# Acquire Blind Carbon Copies
|
||
self.bcc = set()
|
||
|
||
# Now our dynamic template (if defined)
|
||
self.template = template
|
||
|
||
# Now our dynamic template data (if defined)
|
||
self.template_data = template_data \
|
||
if isinstance(template_data, dict) else {}
|
||
|
||
# Validate recipients (to:) and drop bad ones:
|
||
for recipient in parse_list(targets):
|
||
|
||
result = is_email(recipient)
|
||
if result:
|
||
self.targets.append(result['full_email'])
|
||
continue
|
||
|
||
self.logger.warning(
|
||
'Dropped invalid email '
|
||
'({}) specified.'.format(recipient),
|
||
)
|
||
|
||
# Validate recipients (cc:) and drop bad ones:
|
||
for recipient in parse_list(cc):
|
||
|
||
result = is_email(recipient)
|
||
if result:
|
||
self.cc.add(result['full_email'])
|
||
continue
|
||
|
||
self.logger.warning(
|
||
'Dropped invalid Carbon Copy email '
|
||
'({}) specified.'.format(recipient),
|
||
)
|
||
|
||
# Validate recipients (bcc:) and drop bad ones:
|
||
for recipient in parse_list(bcc):
|
||
|
||
result = is_email(recipient)
|
||
if result:
|
||
self.bcc.add(result['full_email'])
|
||
continue
|
||
|
||
self.logger.warning(
|
||
'Dropped invalid Blind Carbon Copy email '
|
||
'({}) specified.'.format(recipient),
|
||
)
|
||
|
||
if len(self.targets) == 0:
|
||
# Notify ourselves
|
||
self.targets.append(self.from_email)
|
||
|
||
return
|
||
|
||
def url(self, privacy=False, *args, **kwargs):
|
||
"""
|
||
Returns the URL built dynamically based on specified arguments.
|
||
"""
|
||
|
||
# Our URL parameters
|
||
params = self.url_parameters(privacy=privacy, *args, **kwargs)
|
||
|
||
if len(self.cc) > 0:
|
||
# Handle our Carbon Copy Addresses
|
||
params['cc'] = ','.join(self.cc)
|
||
|
||
if len(self.bcc) > 0:
|
||
# Handle our Blind Carbon Copy Addresses
|
||
params['bcc'] = ','.join(self.bcc)
|
||
|
||
if self.template:
|
||
# Handle our Template ID if if was specified
|
||
params['template'] = self.template
|
||
|
||
# Append our template_data into our parameter list
|
||
params.update(
|
||
{'+{}'.format(k): v for k, v in self.template_data.items()})
|
||
|
||
# a simple boolean check as to whether we display our target emails
|
||
# or not
|
||
has_targets = \
|
||
not (len(self.targets) == 1 and self.targets[0] == self.from_email)
|
||
|
||
return '{schema}://{apikey}:{from_email}/{targets}?{params}'.format(
|
||
schema=self.secure_protocol,
|
||
apikey=self.pprint(self.apikey, privacy, safe=''),
|
||
# never encode email since it plays a huge role in our hostname
|
||
from_email=self.from_email,
|
||
targets='' if not has_targets else '/'.join(
|
||
[NotifySendGrid.quote(x, safe='') for x in self.targets]),
|
||
params=NotifySendGrid.urlencode(params),
|
||
)
|
||
|
||
def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
|
||
"""
|
||
Perform SendGrid Notification
|
||
"""
|
||
|
||
headers = {
|
||
'User-Agent': self.app_id,
|
||
'Content-Type': 'application/json',
|
||
'Authorization': 'Bearer {}'.format(self.apikey),
|
||
}
|
||
|
||
# error tracking (used for function return)
|
||
has_error = False
|
||
|
||
# A Simple Email Payload Template
|
||
_payload = {
|
||
'personalizations': [{
|
||
# Placeholder
|
||
'to': [{'email': None}],
|
||
}],
|
||
'from': {
|
||
'email': self.from_email,
|
||
},
|
||
# A subject is a requirement, so if none is specified we must
|
||
# set a default with at least 1 character or SendGrid will deny
|
||
# our request
|
||
'subject': title if title else self.default_empty_subject,
|
||
'content': [{
|
||
'type': 'text/plain'
|
||
if self.notify_format == NotifyFormat.TEXT else 'text/html',
|
||
'value': body,
|
||
}],
|
||
}
|
||
|
||
if self.template:
|
||
_payload['template_id'] = self.template
|
||
|
||
if self.template_data:
|
||
_payload['personalizations'][0]['dynamic_template_data'] = \
|
||
{k: v for k, v in self.template_data.items()}
|
||
|
||
targets = list(self.targets)
|
||
while len(targets) > 0:
|
||
target = targets.pop(0)
|
||
|
||
# Create a copy of our template
|
||
payload = _payload.copy()
|
||
|
||
# the cc, bcc, to field must be unique or SendMail will fail, the
|
||
# below code prepares this by ensuring the target isn't in the cc
|
||
# list or bcc list. It also makes sure the cc list does not contain
|
||
# any of the bcc entries
|
||
cc = (self.cc - self.bcc - set([target]))
|
||
bcc = (self.bcc - set([target]))
|
||
|
||
# Set our target
|
||
payload['personalizations'][0]['to'][0]['email'] = target
|
||
|
||
if len(cc):
|
||
payload['personalizations'][0]['cc'] = \
|
||
[{'email': email} for email in cc]
|
||
|
||
if len(bcc):
|
||
payload['personalizations'][0]['bcc'] = \
|
||
[{'email': email} for email in bcc]
|
||
|
||
self.logger.debug('SendGrid POST URL: %s (cert_verify=%r)' % (
|
||
self.notify_url, self.verify_certificate,
|
||
))
|
||
self.logger.debug('SendGrid Payload: %s' % str(payload))
|
||
|
||
# Always call throttle before any remote server i/o is made
|
||
self.throttle()
|
||
try:
|
||
r = requests.post(
|
||
self.notify_url,
|
||
data=dumps(payload),
|
||
headers=headers,
|
||
verify=self.verify_certificate,
|
||
timeout=self.request_timeout,
|
||
)
|
||
if r.status_code not in (
|
||
requests.codes.ok, requests.codes.accepted):
|
||
# We had a problem
|
||
status_str = \
|
||
NotifySendGrid.http_response_code_lookup(
|
||
r.status_code, SENDGRID_HTTP_ERROR_MAP)
|
||
|
||
self.logger.warning(
|
||
'Failed to send SendGrid notification to {}: '
|
||
'{}{}error={}.'.format(
|
||
target,
|
||
status_str,
|
||
', ' if status_str else '',
|
||
r.status_code))
|
||
|
||
self.logger.debug(
|
||
'Response Details:\r\n{}'.format(r.content))
|
||
|
||
# Mark our failure
|
||
has_error = True
|
||
continue
|
||
|
||
else:
|
||
self.logger.info(
|
||
'Sent SendGrid notification to {}.'.format(target))
|
||
|
||
except requests.RequestException as e:
|
||
self.logger.warning(
|
||
'A Connection error occurred sending SendGrid '
|
||
'notification to {}.'.format(target))
|
||
self.logger.debug('Socket Exception: %s' % str(e))
|
||
|
||
# Mark our failure
|
||
has_error = True
|
||
continue
|
||
|
||
return not has_error
|
||
|
||
@staticmethod
|
||
def parse_url(url):
|
||
"""
|
||
Parses the URL and returns enough arguments that can allow
|
||
us to re-instantiate this object.
|
||
|
||
"""
|
||
|
||
results = NotifyBase.parse_url(url)
|
||
if not results:
|
||
# We're done early as we couldn't load the results
|
||
return results
|
||
|
||
# Our URL looks like this:
|
||
# {schema}://{apikey}:{from_email}/{targets}
|
||
#
|
||
# which actually equates to:
|
||
# {schema}://{user}:{password}@{host}/{email1}/{email2}/etc..
|
||
# ^ ^ ^
|
||
# | | |
|
||
# apikey -from addr-
|
||
|
||
if not results.get('user'):
|
||
# An API Key as not properly specified
|
||
return None
|
||
|
||
if not results.get('password'):
|
||
# A From Email was not correctly specified
|
||
return None
|
||
|
||
# Prepare our API Key
|
||
results['apikey'] = NotifySendGrid.unquote(results['user'])
|
||
|
||
# Prepare our From Email Address
|
||
results['from_email'] = '{}@{}'.format(
|
||
NotifySendGrid.unquote(results['password']),
|
||
NotifySendGrid.unquote(results['host']),
|
||
)
|
||
|
||
# Acquire our targets
|
||
results['targets'] = NotifySendGrid.split_path(results['fullpath'])
|
||
|
||
# The 'to' makes it easier to use yaml configuration
|
||
if 'to' in results['qsd'] and len(results['qsd']['to']):
|
||
results['targets'] += \
|
||
NotifySendGrid.parse_list(results['qsd']['to'])
|
||
|
||
# Handle Carbon Copy Addresses
|
||
if 'cc' in results['qsd'] and len(results['qsd']['cc']):
|
||
results['cc'] = \
|
||
NotifySendGrid.parse_list(results['qsd']['cc'])
|
||
|
||
# Handle Blind Carbon Copy Addresses
|
||
if 'bcc' in results['qsd'] and len(results['qsd']['bcc']):
|
||
results['bcc'] = \
|
||
NotifySendGrid.parse_list(results['qsd']['bcc'])
|
||
|
||
# Handle Blind Carbon Copy Addresses
|
||
if 'template' in results['qsd'] and len(results['qsd']['template']):
|
||
results['template'] = \
|
||
NotifySendGrid.unquote(results['qsd']['template'])
|
||
|
||
# Add any template substitutions
|
||
results['template_data'] = results['qsd+']
|
||
|
||
return results
|