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bazarr/libs/apprise/plugins/viber.py
2026-03-17 21:30:35 -04:00

334 lines
11 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.
# API Reference: https://creators.viber.com/docs/bots-api/\
# resources/messaging/send-message
from __future__ import annotations
from collections.abc import Iterable
from json import dumps, loads
from typing import Any, Optional
import requests
from ..common import NotifyType
from ..locale import gettext_lazy as _
from ..url import PrivacyMode
from ..utils.parse import parse_list, validate_regex
from .base import NotifyBase
class NotifyViber(NotifyBase):
"""Send a Viber Bot message using the Viber REST Bot API."""
# The default descriptive name associated with the Notification
service_name = _("Viber")
# The Services URL
service_url = "https://www.viber.com/"
# The default protocol
secure_protocol = "viber"
# A URL that takes you to the setup/help of the specific protocol
setup_url = "https://appriseit.com/services/viber/"
# Viber notification endpoint
notify_url = "https://chatapi.viber.com/pa/send_message"
# Service limits (documented maximum is 30KB)
# Note: this is not exact byte accounting (UTF-8 vs chars), but it keeps
# messages in the expected range.
body_maxlen = 30000
# We don't support titles for Viber notifications
title_maxlen = 0
# Maximum characters allowed in sender name
viber_sender_name_limit = 28
# Minimal URL; endpoint is fixed, token is the first path entry.
templates = (
"{schema}://{token}/{targets}",
)
template_tokens = dict(NotifyBase.template_tokens, **{
"token": {
"name": _("Authentication Token"),
"type": "string",
"private": True,
"required": True,
},
"targets": {
"name": _("Receiver IDs"),
"type": "list:string",
},
})
template_args = dict(NotifyBase.template_args, **{
# Viber requires sender.name
"from": {
"name": _("Bot Name"),
"type": "string",
"map_to": "source",
},
# Optional sender.avatar URL
"avatar": {
"name": _("Bot Avatar URL"),
"type": "string",
},
"token": {
"alias_of": "token",
},
# Allow targets to also come from query string
"to": {
"alias_of": "targets"
}
})
def __init__(
self,
token: str,
targets: Optional[Iterable[str]] = None,
source: Optional[str] = None,
avatar: Optional[str] = None,
**kwargs: Any,
) -> None:
super().__init__(**kwargs)
self.token = validate_regex(token)
if not self.token:
msg = "An invalid Viber authentication token was specified."
self.logger.warning(msg)
raise TypeError(msg)
# Sender name is required by the API; provide a safe default
sourcev = (source or "").strip()
if len(sourcev) > self.viber_sender_name_limit:
self.logger.warning(
f"Viber sender name exceeds {self.viber_sender_name_limit} "
"characters, truncating.")
sourcev = sourcev[:self.viber_sender_name_limit]
self.source: str = sourcev
self.avatar: Optional[str] = (avatar or "").strip() or None
# Store our targets
self.targets = parse_list(targets)
def __len__(self) -> int:
"""Number of outbound HTTP requests this configuration will perform."""
return max(1, len(self.targets))
def url(self, privacy: bool = False, *args: Any, **kwargs: Any) -> str:
"""Rebuild the Apprise URL with secrets redacted."""
# Define any URL parameters
params = self.url_parameters(privacy=privacy, *args, **kwargs)
if self.source:
params["from"] = self.source
if self.avatar:
params["avatar"] = self.avatar
# Path targets
tgt = ""
if self.targets:
tgt = "/".join(self.quote(t, safe="") for t in self.targets)
# Token in first path element
token = self.pprint(
self.token, privacy, mode=PrivacyMode.Secret, safe="")
query = self.urlencode(params)
return (
f"{self.secure_protocol}://{token}/"
+ tgt + (f"?{query}" if query else ""))
@property
def url_identifier(self) -> str:
"""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, self.token)
def send(
self,
body: str,
title: str = "",
notify_type: NotifyType = NotifyType.INFO,
**kwargs: Any,
) -> bool:
"""Send a Viber notification to each configured receiver ID."""
if not self.targets:
# There were no services to notify
self.logger.warning("There were no Viber targets to notify")
return False
# Prepare our headers
headers = {
"User-Agent": self.app_id,
"Content-Type": "application/json",
"X-Viber-Auth-Token": self.token,
}
# Prepare our payload
payload: dict[str, Any] = {
"type": "text",
"text": body,
"sender": {
"name": self.source if self.source
else self.app_desc[:self.viber_sender_name_limit]},
}
if self.avatar:
payload["sender"]["avatar"] = self.avatar
content = None
status_str = None
has_error = False
for dest in self.targets:
payload["receiver"] = dest
self.throttle()
try:
r = requests.post(
self.notify_url,
data=dumps(payload),
headers=headers,
verify=self.verify_certificate,
timeout=self.request_timeout,
)
# Viber returns the following on success:
# {"status":0,"status_message":"ok",...}
try:
content = loads(r.content)
except (AttributeError, TypeError, ValueError, KeyError):
# ValueError = r.content is Unparsable
# TypeError = r.content is None
# AttributeError = r is None
# KeyError = 'result' is not found in result
content = {}
self.logger.warning(
"Invalid JSON response from Viber sending "
f"notification to {dest}")
self.logger.debug("Response Details:\n%s", r.content)
has_error = True
continue
if r.status_code != requests.codes.ok:
# We had a problem
status_str = (
content.get("status_message")
if content.get("status_message")
else self.http_response_code_lookup(
r.status_code
)
)
self.logger.warning(
f"Failed to send Viber notification to {dest} - "
f"{status_str} error={r.status_code}."
)
self.logger.debug("Response Details:\n%s", r.content)
# Mark our failure
has_error = True
continue
if int(content.get("status", -1)) != 0:
self.logger.warning(
f"Failed to send Viber notification to {dest} - "
"Viber Error {%s} (status=%s)",
content.get("status_message", "unknown"),
content.get("status", "unknown"),
)
self.logger.debug("Response Details:\n%s", r.content)
# Mark our failure
has_error = True
continue
except requests.RequestException as e:
self.logger.warning(
"A Connection error occured sending Viber notification "
"to %s",
dest,
)
self.logger.debug(f"Socket Exception: {e!s}")
# Mark our failure
has_error = True
continue
return not has_error
@staticmethod
def parse_url(url: str) -> dict[str, Any]:
"""Parse the URL and return arguments to instantiate this object."""
results = NotifyBase.parse_url(url, verify_host=False)
if not results:
# We're done early as we couldn't load the results
return results
# Prepare a Full path to work with
results["targets"] = [
NotifyViber.unquote(results["host"]),
*NotifyViber.split_path(results["fullpath"])]
if "token" in results["qsd"] and len(results["qsd"]["token"]):
results["token"] = NotifyViber.unquote(
results["qsd"]["token"]
)
else:
results["token"] = results["targets"][0]
results["targets"] = results["targets"][1:]
# Support the 'to' variable so that we can support targets this way too
# The 'to' makes it easier to use yaml configuration
if "to" in results["qsd"] and len(results["qsd"]["to"]):
results["targets"] += results["qsd"]["to"]
# Map 'from' -> source
if "from" in results["qsd"] and len(results["qsd"]["from"]):
results["source"] = NotifyViber.unquote(
results["qsd"]["from"]
)
# Map avatar
if "avatar" in results["qsd"] and len(results["qsd"]["avatar"]):
results["avatar"] = NotifyViber.unquote(
results["qsd"]["avatar"]
)
return results