Files
bazarr/libs/apprise/plugins/custom_form.py
2026-06-20 00:29:12 -04:00

573 lines
19 KiB
Python

# BSD 2-Clause License
#
# Apprise - Push Notification Library.
# Copyright (c) 2026, Chris Caron <lead2gold@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
import re
import requests
from ..common import NotifyImageSize, NotifyType
from ..locale import gettext_lazy as _
from ..url import PrivacyMode
from .base import NotifyBase
class FORMPayloadField:
"""Identifies the fields available in the FORM Payload."""
VERSION = "version"
TITLE = "title"
MESSAGE = "message"
MESSAGETYPE = "type"
# Defines the method to send the notification
METHODS = (
"POST",
"GET",
"DELETE",
"PUT",
"HEAD",
"PATCH",
"UPDATE",
"OPTIONS",
)
class NotifyForm(NotifyBase):
"""A wrapper for Form Notifications."""
# Support
# - file*
# - file?
# - file*name
# - file?name
# - ?file
# - *file
# - file
# The code will convert the ? or * to the digit increments
__attach_as_re = re.compile(
r"((?P<match1>(?P<id1a>[a-z0-9_-]+)?"
r"(?P<wc1>[*?+$:.%]+)(?P<id1b>[a-z0-9_-]+))"
r"|(?P<match2>(?P<id2>[a-z0-9_-]+)(?P<wc2>[*?+$:.%]?)))",
re.IGNORECASE,
)
# Our count
attach_as_count = "{:02d}"
# the default attach_as value
attach_as_default = f"file{attach_as_count}"
# The default descriptive name associated with the Notification
service_name = "Form"
# The default protocol
protocol = "form"
# The default secure protocol
secure_protocol = "forms"
# A URL that takes you to the setup/help of the specific protocol
setup_url = "https://appriseit.com/services/form/"
# Support attachments
attachment_support = True
# Allows the user to specify the NotifyImageSize object
image_size = NotifyImageSize.XY_128
# Disable throttle rate for Form requests since they are normally
# local anyway
request_rate_per_sec = 0
# Define the FORM version to place in all payloads
# Version: Major.Minor, Major is only updated if the entire schema is
# changed. If just adding new items (or removing old ones, only increment
# the Minor!
form_version = "1.0"
# Define object templates
templates = (
"{schema}://{host}",
"{schema}://{host}:{port}",
"{schema}://{user}@{host}",
"{schema}://{user}@{host}:{port}",
"{schema}://{user}:{password}@{host}",
"{schema}://{user}:{password}@{host}:{port}",
)
# Define our tokens; these are the minimum tokens required required to
# be passed into this function (as arguments). The syntax appends any
# previously defined in the base package and builds onto them
template_tokens = dict(
NotifyBase.template_tokens,
**{
"host": {
"name": _("Hostname"),
"type": "string",
"required": True,
},
"port": {
"name": _("Port"),
"type": "int",
"min": 1,
"max": 65535,
},
"user": {
"name": _("Username"),
"type": "string",
},
"password": {
"name": _("Password"),
"type": "string",
"private": True,
},
},
)
# Define our template arguments
template_args = dict(
NotifyBase.template_args,
**{
"method": {
"name": _("Fetch Method"),
"type": "choice:string",
"values": METHODS,
"default": METHODS[0],
},
"attach-as": {
"name": _("Attach File As"),
"type": "string",
"default": "file*",
"map_to": "attach_as",
},
},
)
# Define any kwargs we're using
template_kwargs = {
"headers": {
"name": _("HTTP Header"),
"prefix": "+",
},
"payload": {
"name": _("Payload Extras"),
"prefix": ":",
},
"params": {
"name": _("GET Params"),
"prefix": "-",
},
}
def __init__(
self,
headers=None,
method=None,
payload=None,
params=None,
attach_as=None,
**kwargs,
):
"""Initialize Form Object.
headers can be a dictionary of key/value pairs that you want to
additionally include as part of the server headers to post with
"""
super().__init__(**kwargs)
self.fullpath = kwargs.get("fullpath")
if not isinstance(self.fullpath, str):
self.fullpath = ""
self.method = (
self.template_args["method"]["default"]
if not isinstance(method, str)
else method.upper()
)
if self.method not in METHODS:
msg = f"The method specified ({method}) is invalid."
self.logger.warning(msg)
raise TypeError(msg)
# Custom File Attachment Over-Ride Support
if not isinstance(attach_as, str):
# Default value
self.attach_as = self.attach_as_default
self.attach_multi_support = True
else:
result = self.__attach_as_re.match(attach_as.strip())
if not result:
msg = f"The attach-as specified ({attach_as}) is invalid."
self.logger.warning(msg)
raise TypeError(msg)
self.attach_as = ""
self.attach_multi_support = False
if result.group("match1"):
if result.group("id1a"):
self.attach_as += result.group("id1a")
self.attach_as += self.attach_as_count
self.attach_multi_support = True
self.attach_as += result.group("id1b")
else: # result.group('match2'):
self.attach_as += result.group("id2")
if result.group("wc2"):
self.attach_as += self.attach_as_count
self.attach_multi_support = True
# A payload map allows users to over-ride the default mapping if
# they're detected with the :overide=value. Normally this would
# create a new key and assign it the value specified. However
# if the key you specify is actually an internally mapped one,
# then a re-mapping takes place using the value
self.payload_map = {
FORMPayloadField.VERSION: FORMPayloadField.VERSION,
FORMPayloadField.TITLE: FORMPayloadField.TITLE,
FORMPayloadField.MESSAGE: FORMPayloadField.MESSAGE,
FORMPayloadField.MESSAGETYPE: FORMPayloadField.MESSAGETYPE,
}
self.params = {}
if params:
# Store our extra headers
self.params.update(params)
self.headers = {}
if headers:
# Store our extra headers
self.headers.update(headers)
self.payload_overrides = {}
self.payload_extras = {}
if payload:
# Store our extra payload entries
self.payload_extras.update(payload)
for key in list(self.payload_extras.keys()):
# Any values set in the payload to alter a system related one
# alters the system key. Hence :message=msg maps the 'message'
# variable that otherwise already contains the payload to be
# 'msg' instead (containing the payload)
if key in self.payload_map:
self.payload_map[key] = self.payload_extras[key]
self.payload_overrides[key] = self.payload_extras[key]
del self.payload_extras[key]
return
def send(
self,
body,
title="",
notify_type=NotifyType.INFO,
attach=None,
**kwargs,
):
"""Perform Form Notification."""
# Prepare HTTP Headers
headers = {
"User-Agent": self.app_id,
}
# Apply any/all header over-rides defined
headers.update(self.headers)
# Track our potential attachments
files = []
if attach and self.attachment_support:
for no, attachment in enumerate(attach, start=1):
# Perform some simple error checking
if not attachment:
# We could not access the attachment
self.logger.error(
"Could not access attachment"
f" {attachment.url(privacy=True)}."
)
return False
try:
files.append(
(
(
self.attach_as.format(no)
if self.attach_multi_support
else self.attach_as
),
(
(
attachment.name
if attachment.name
else f"file{no:03}.dat"
),
# file handle safely closed in
# `finally`; inline open intentional
open(attachment.path, "rb"), # noqa: SIM115
attachment.mimetype,
),
)
)
except OSError as e:
self.logger.warning(
"An I/O error occurred while opening {}.".format(
attachment.name if attachment else "attachment"
)
)
self.logger.debug(f"I/O Exception: {e!s}")
return False
if not self.attach_multi_support and no > 1:
self.logger.warning(
"Multiple attachments provided while "
"form:// Multi-Attachment Support not enabled"
)
# prepare Form Object
payload = {}
for key, value in (
(FORMPayloadField.VERSION, self.form_version),
(FORMPayloadField.TITLE, title),
(FORMPayloadField.MESSAGE, body),
(FORMPayloadField.MESSAGETYPE, notify_type.value),
):
if not self.payload_map[key]:
# Do not store element in payload response
continue
payload[self.payload_map[key]] = value
# Apply any/all payload over-rides defined
payload.update(self.payload_extras)
auth = None
if self.user:
auth = (self.user, self.password)
# Set our schema
schema = "https" if self.secure else "http"
url = f"{schema}://{self.host}"
if isinstance(self.port, int):
url += f":{self.port}"
url += self.fullpath
self.logger.debug(
f"Form {self.method} URL:"
f" {url} (cert_verify={self.verify_certificate!r})"
)
self.logger.debug(f"Form Payload: {payload!s}")
# Always call throttle before any remote server i/o is made
self.throttle()
# For GET the payload becomes URL query parameters; for all other
# methods it is sent as the request body.
if self.method == "GET":
payload.update(self.params)
try:
r = requests.request(
self.method,
url,
files=files if files else None,
data=payload if self.method != "GET" else None,
params=payload if self.method == "GET" else self.params,
headers=headers,
auth=auth,
verify=self.verify_certificate,
timeout=self.request_timeout,
allow_redirects=self.redirects,
)
if r.status_code < 200 or r.status_code >= 300:
# We had a problem
status_str = NotifyForm.http_response_code_lookup(
r.status_code
)
self.logger.warning(
"Failed to send Form %s notification: %s%serror=%s.",
self.method,
status_str,
", " if status_str else "",
r.status_code,
)
self.logger.debug(
"Response Details:\r\n%r", (r.content or b"")[:2000]
)
# Return; we're done
return False
else:
self.logger.info("Sent Form %s notification.", self.method)
except requests.RequestException as e:
self.logger.warning(
"A Connection error occurred sending Form "
f"notification to {self.host}."
)
self.logger.debug(f"Socket Exception: {e!s}")
# Return; we're done
return False
except OSError as e:
self.logger.warning(
"An I/O error occurred while reading one of the "
"attached files."
)
self.logger.debug(f"I/O Exception: {e!s}")
return False
finally:
for file in files:
# Ensure all files are closed
file[1][1].close()
return True
@property
def url_identifier(self):
"""Returns all of the identifiers that make this URL unique from
another simliar one.
Targets or end points should never be identified here.
"""
return (
self.secure_protocol if self.secure else self.protocol,
self.user,
self.password,
self.host,
self.port if self.port else (443 if self.secure else 80),
self.fullpath.rstrip("/"),
)
def url(self, privacy=False, *args, **kwargs):
"""Returns the URL built dynamically based on specified arguments."""
# Define any URL parameters
params = {
"method": self.method,
}
# Extend our parameters
params.update(self.url_parameters(privacy=privacy, *args, **kwargs))
# Append our headers into our parameters
params.update({f"+{k}": v for k, v in self.headers.items()})
# Append our GET params into our parameters
params.update({f"-{k}": v for k, v in self.params.items()})
# Append our payload extra's into our parameters
params.update({f":{k}": v for k, v in self.payload_extras.items()})
params.update({f":{k}": v for k, v in self.payload_overrides.items()})
if self.attach_as != self.attach_as_default:
# Provide Attach-As extension details
params["attach-as"] = self.attach_as
# Determine Authentication
auth = ""
if self.user and self.password:
auth = "{user}:{password}@".format(
user=NotifyForm.quote(self.user, safe=""),
password=self.pprint(
self.password, privacy, mode=PrivacyMode.Secret, safe=""
),
)
elif self.user:
auth = "{user}@".format(
user=NotifyForm.quote(self.user, safe=""),
)
default_port = 443 if self.secure else 80
return "{schema}://{auth}{hostname}{port}{fullpath}?{params}".format(
schema=self.secure_protocol if self.secure else self.protocol,
auth=auth,
# never encode hostname since we're expecting it to be a valid one
hostname=self.host,
port=(
""
if self.port is None or self.port == default_port
else f":{self.port}"
),
fullpath=(
NotifyForm.quote(self.fullpath, safe="/")
if self.fullpath
else "/"
),
params=NotifyForm.urlencode(params),
)
@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
# store any additional payload extra's defined
results["payload"] = {
NotifyForm.unquote(x): NotifyForm.unquote(y)
for x, y in results["qsd:"].items()
}
# Add our headers that the user can potentially over-ride if they wish
# to to our returned result set and tidy entries by unquoting them
results["headers"] = {
NotifyForm.unquote(x): NotifyForm.unquote(y)
for x, y in results["qsd+"].items()
}
# Add our GET paramters in the event the user wants to pass these along
results["params"] = {
NotifyForm.unquote(x): NotifyForm.unquote(y)
for x, y in results["qsd-"].items()
}
# Allow Attach-As Support which over-rides the name of the filename
# posted with the form://
# the default is file01, file02, file03, etc
if "attach-as" in results["qsd"] and len(results["qsd"]["attach-as"]):
results["attach_as"] = results["qsd"]["attach-as"]
# Set method if not otherwise set
if "method" in results["qsd"] and len(results["qsd"]["method"]):
results["method"] = NotifyForm.unquote(results["qsd"]["method"])
return results