Nextcloud Support (#186)

README.md

@@ -50,6 +50,7 @@ The table below identifies the services this tool supports and some example serv
 | [Matrix](https://github.com/caronc/apprise/wiki/Notify_matrix) | matrix:// or matrixs://  | (TCP) 80 or 443 | matrix://hostname<br />matrix://user@hostname<br />matrixs://user:pass@hostname:port/#room_alias<br />matrixs://user:pass@hostname:port/!room_id<br />matrixs://user:pass@hostname:port/#room_alias/!room_id/#room2<br />matrixs://token@hostname:port/?webhook=matrix<br />matrix://user:token@hostname/?webhook=slack&format=markdown
 | [Mattermost](https://github.com/caronc/apprise/wiki/Notify_mattermost) | mmost://  | (TCP) 8065 | mmost://hostname/authkey<br />mmost://hostname:80/authkey<br />mmost://user@hostname:80/authkey<br />mmost://hostname/authkey?channel=channel<br />mmosts://hostname/authkey<br />mmosts://user@hostname/authkey<br />
 | [Microsoft Teams](https://github.com/caronc/apprise/wiki/Notify_msteams) | msteams://  | (TCP) 443   | msteams://TokenA/TokenB/TokenC/
+| [Nextcloud](https://github.com/caronc/apprise/wiki/Notify_nextcloud) | ncloud:// or nclouds:// | (TCP) 80 or 443 | ncloud://adminuser:pass@host/User<br/>nclouds://adminuser:pass@host/User1/User2/UserN
 | [Notica](https://github.com/caronc/apprise/wiki/Notify_notica) | notica://  | (TCP) 443   | notica://Token/
 | [Notifico](https://github.com/caronc/apprise/wiki/Notify_notifico) | notifico://  | (TCP) 443   | notifico://ProjectID/MessageHook/
 | [Prowl](https://github.com/caronc/apprise/wiki/Notify_prowl) | prowl://   | (TCP) 443    | prowl://apikey<br />prowl://apikey/providerkey

apprise/plugins/NotifyNextcloud.py

@@ -0,0 +1,294 @@
+# -*- 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 CON
+
+import requests
+
+from .NotifyBase import NotifyBase
+from ..URLBase import PrivacyMode
+from ..common import NotifyType
+from ..utils import parse_list
+from ..AppriseLocale import gettext_lazy as _
+
+
+class NotifyNextcloud(NotifyBase):
+    """
+    A wrapper for Nextcloud Notifications
+    """
+
+    # The default descriptive name associated with the Notification
+    service_name = 'Nextcloud'
+
+    # The services URL
+    service_url = 'https://nextcloud.com/'
+
+    # Insecure protocol (for those self hosted requests)
+    protocol = 'ncloud'
+
+    # The default protocol (this is secure for notica)
+    secure_protocol = 'nclouds'
+
+    # A URL that takes you to the setup/help of the specific protocol
+    setup_url = 'https://github.com/caronc/apprise/wiki/Notify_nextcloud'
+
+    # Nextcloud URL
+    notify_url = '{schema}://{host}/ocs/v2.php/apps/admin_notifications/' \
+                 'api/v1/notifications/{target}'
+
+    # Nextcloud does not support a title
+    title_maxlen = 255
+
+    # Defines the maximum allowable characters per message.
+    body_maxlen = 4000
+
+    # Define object templates
+    templates = (
+        '{schema}://{user}:{password}@{host}/{targets}',
+        '{schema}://{user}:{password}@{host}:{port}/{targets}',
+    )
+
+    # Define our template tokens
+    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,
+        },
+        'target_user': {
+            'name': _('Target User'),
+            'type': 'string',
+            'map_to': 'targets',
+        },
+        'targets': {
+            'name': _('Targets'),
+            'type': 'list:string',
+            'required': True,
+        },
+    })
+
+    # Define any kwargs we're using
+    template_kwargs = {
+        'headers': {
+            'name': _('HTTP Header'),
+            'prefix': '+',
+        },
+    }
+
+    def __init__(self, targets=None, headers=None, **kwargs):
+        """
+        Initialize Nextcloud Object
+        """
+        super(NotifyNextcloud, self).__init__(**kwargs)
+
+        self.targets = parse_list(targets)
+        if len(self.targets) == 0:
+            msg = 'At least one Nextcloud target user must be specified.'
+            self.logger.warning(msg)
+            raise TypeError(msg)
+
+        self.headers = {}
+        if headers:
+            # Store our extra headers
+            self.headers.update(headers)
+
+        return
+
+    def send(self, body, title='', notify_type=NotifyType.INFO, **kwargs):
+        """
+        Perform Nextcloud Notification
+        """
+
+        # Prepare our Header
+        headers = {
+            'User-Agent': self.app_id,
+            'OCS-APIREQUEST': 'true',
+        }
+
+        # Apply any/all header over-rides defined
+        headers.update(self.headers)
+
+        # error tracking (used for function return)
+        has_error = False
+
+        # Create a copy of the targets list
+        targets = list(self.targets)
+        while len(targets):
+            target = targets.pop(0)
+
+            # Prepare our Payload
+            payload = {
+                'shortMessage': title if title else self.app_desc,
+            }
+            if body:
+                # Only store the longMessage if a body was defined; nextcloud
+                # doesn't take kindly to empty longMessage entries.
+                payload['longMessage'] = body
+
+            auth = None
+            if self.user:
+                auth = (self.user, self.password)
+
+            notify_url = self.notify_url.format(
+                schema='https' if self.secure else 'http',
+                host=self.host if not isinstance(self.port, int)
+                else '{}:{}'.format(self.host, self.port),
+                target=target,
+            )
+
+            self.logger.debug('Nextcloud POST URL: %s (cert_verify=%r)' % (
+                notify_url, self.verify_certificate,
+            ))
+            self.logger.debug('Nextcloud Payload: %s' % str(payload))
+
+            # Always call throttle before any remote server i/o is made
+            self.throttle()
+
+            try:
+                r = requests.post(
+                    notify_url,
+                    data=payload,
+                    headers=headers,
+                    auth=auth,
+                    verify=self.verify_certificate,
+                )
+                if r.status_code != requests.codes.ok:
+                    # We had a problem
+                    status_str = \
+                        NotifyNextcloud.http_response_code_lookup(
+                            r.status_code)
+
+                    self.logger.warning(
+                        'Failed to send Nextcloud notification:'
+                        '{}{}error={}.'.format(
+                            status_str,
+                            ', ' if status_str else '',
+                            r.status_code))
+
+                    self.logger.debug(
+                        'Response Details:\r\n{}'.format(r.content))
+                    # track our failure
+                    has_error = True
+                    continue
+
+                else:
+                    self.logger.info('Sent Nextcloud notification.')
+
+            except requests.RequestException as e:
+                self.logger.warning(
+                    'A Connection error occured sending Nextcloud '
+                    'notification.',
+                )
+                self.logger.debug('Socket Exception: %s' % str(e))
+
+                # track our failure
+                has_error = True
+                continue
+
+        return not has_error
+
+    def url(self, privacy=False, *args, **kwargs):
+        """
+        Returns the URL built dynamically based on specified arguments.
+        """
+
+        # Define any arguments set
+        args = {
+            'format': self.notify_format,
+            'overflow': self.overflow_mode,
+            'verify': 'yes' if self.verify_certificate else 'no',
+        }
+
+        # Append our headers into our args
+        args.update({'+{}'.format(k): v for k, v in self.headers.items()})
+
+        # Determine Authentication
+        auth = ''
+        if self.user and self.password:
+            auth = '{user}:{password}@'.format(
+                user=NotifyNextcloud.quote(self.user, safe=''),
+                password=self.pprint(
+                    self.password, privacy, mode=PrivacyMode.Secret, safe=''),
+            )
+        elif self.user:
+            auth = '{user}@'.format(
+                user=NotifyNextcloud.quote(self.user, safe=''),
+            )
+
+        default_port = 443 if self.secure else 80
+
+        return '{schema}://{auth}{hostname}{port}/{targets}?{args}' \
+               .format(
+                   schema=self.secure_protocol
+                   if self.secure else self.protocol,
+                   auth=auth,
+                   hostname=NotifyNextcloud.quote(self.host, safe=''),
+                   port='' if self.port is None or self.port == default_port
+                        else ':{}'.format(self.port),
+                   targets='/'.join([NotifyNextcloud.quote(x)
+                                     for x in self.targets]),
+                   args=NotifyNextcloud.urlencode(args),
+               )
+
+    @staticmethod
+    def parse_url(url):
+        """
+        Parses the URL and returns enough arguments that can allow
+        us to substantiate this object.
+
+        """
+
+        results = NotifyBase.parse_url(url)
+        if not results:
+            # We're done early as we couldn't load the results
+            return results
+
+        # Fetch our targets
+        results['targets'] = \
+            NotifyNextcloud.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'] += \
+                NotifyNextcloud.parse_list(results['qsd']['to'])
+
+        # Add our headers that the user can potentially over-ride if they
+        # wish to to our returned result set
+        results['headers'] = results['qsd-']
+        results['headers'].update(results['qsd+'])
+
+        return results

packaging/redhat/python-apprise.spec

@@ -49,10 +49,11 @@ it easy to access:
 
 Boxcar, ClickSend, Discord, E-Mail, Emby, Faast, Flock, Gitter, Gotify, Growl,
 IFTTT, Join, KODI, Kumulos, Mailgun, MatterMost, Matrix, Microsoft Windows
-Notifications, Microsoft Teams, MessageBird, MSG91, Nexmo, Notica, Notifico,
-Notify MyAndroid, Prowl, Pushalot, PushBullet, Pushjet, Pushover, PushSafer,
-Rocket.Chat, SendGrid, SimplePush, Slack, Super Toasty, Stride, Syslog,
-Techulus Push, Telegram, Twilio, Twitter, Twist, XBMC, XMPP, Webex Teams}
+Notifications, Microsoft Teams, MessageBird, MSG91, Nexmo, Nextcloud, Notica,
+Notifico, Notify MyAndroid, Prowl, Pushalot, PushBullet, Pushjet, Pushover,
+PushSafer, Rocket.Chat, SendGrid, SimplePush, Slack, Super Toasty, Stride,
+Syslog, Techulus Push, Telegram, Twilio, Twitter, Twist, XBMC, XMPP,
+Webex Teams}
 
 Name:           python-%{pypi_name}
 Version:        0.8.2

setup.py

@@ -72,10 +72,10 @@ setup(
     keywords='Push Notifications Alerts Email AWS SNS Boxcar ClickSend '
         'Discord Dbus Emby Faast Flock Gitter Gnome Gotify Growl IFTTT Join '
         'KODI Kumulos Mailgun Matrix Mattermost MessageBird MSG91 Nexmo '
-        'Notica, Notifico Prowl PushBullet Pushjet Pushed Pushover PushSafer '
-        'Rocket.Chat Ryver SendGrid SimplePush Slack Stride Syslog Techulus '
-        'Push Telegram Twilio Twist Twitter XBMC Microsoft MSTeams Windows '
-        'Webex CLI API',
+        'Nextcloud Notica, Notifico Prowl PushBullet Pushjet Pushed Pushover '
+        'PushSafer Rocket.Chat Ryver SendGrid SimplePush Slack Stride Syslog '
+        'Techulus Push Telegram Twilio Twist Twitter XBMC Microsoft MSTeams '
+        'Windows Webex CLI API',
     author='Chris Caron',
     author_email='lead2gold@gmail.com',
     packages=find_packages(),

test/test_nextcloud_plugin.py

@@ -0,0 +1,63 @@
+# -*- coding: utf-8 -*-
+#
+# 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.
+
+import six
+import mock
+import requests
+from apprise import plugins
+
+# Disable logging for a cleaner testing output
+import logging
+logging.disable(logging.CRITICAL)
+
+
+@mock.patch('requests.post')
+def test_nextcloud_empty_body(mock_post):
+    """
+    API: NotifyNextcloud() empty body
+
+    """
+    # Disable Throttling to speed testing
+    plugins.NotifyBase.request_rate_per_sec = 0
+
+    # A response
+    robj = mock.Mock()
+    robj.content = ''
+    robj.status_code = requests.codes.ok
+
+    # Prepare Mock
+    mock_post.return_value = robj
+
+    # Variation Initializations
+    obj = plugins.NotifyNextcloud(
+        host="localhost", user="admin", password="pass", targets="user")
+    assert isinstance(obj, plugins.NotifyNextcloud) is True
+    assert isinstance(obj.url(), six.string_types) is True
+
+    # An empty body
+    assert obj.send(body="") is True
+    assert 'data' in mock_post.call_args_list[0][1]
+    assert 'shortMessage' in mock_post.call_args_list[0][1]['data']
+    # The longMessage argument is not set
+    assert 'longMessage' not in mock_post.call_args_list[0][1]['data']

test/test_rest_plugins.py

@@ -1737,6 +1737,72 @@ TEST_URLS = (
         'test_requests_exceptions': True,
     }),
 
+    ##################################
+    # NotifyNextcloud
+    ##################################
+    ('ncloud://:@/', {
+        'instance': None,
+    }),
+    ('ncloud://', {
+        'instance': None,
+    }),
+    ('nclouds://', {
+        # No hostname
+        'instance': None,
+    }),
+    ('ncloud://localhost', {
+        # No user specified
+        'instance': TypeError,
+    }),
+    ('ncloud://localhost/admin', {
+        'instance': plugins.NotifyNextcloud,
+    }),
+    ('ncloud://user@localhost/admin', {
+        'instance': plugins.NotifyNextcloud,
+    }),
+    ('ncloud://user@localhost?to=user1,user2', {
+        'instance': plugins.NotifyNextcloud,
+    }),
+    ('ncloud://user:pass@localhost/user1/user2', {
+        'instance': plugins.NotifyNextcloud,
+
+        # Our expected url(privacy=True) startswith() response:
+        'privacy_url': 'ncloud://user:****@localhost/user1/user2',
+    }),
+    ('ncloud://user:pass@localhost:8080/admin', {
+        'instance': plugins.NotifyNextcloud,
+    }),
+    ('nclouds://user:pass@localhost/admin', {
+        'instance': plugins.NotifyNextcloud,
+
+        # Our expected url(privacy=True) startswith() response:
+        'privacy_url': 'nclouds://user:****@localhost/admin',
+    }),
+    ('nclouds://user:pass@localhost:8080/admin/', {
+        'instance': plugins.NotifyNextcloud,
+    }),
+    ('ncloud://localhost:8080/admin?-HeaderKey=HeaderValue', {
+        'instance': plugins.NotifyNextcloud,
+    }),
+    ('ncloud://user:pass@localhost:8081/admin', {
+        'instance': plugins.NotifyNextcloud,
+        # force a failure
+        'response': False,
+        'requests_response_code': requests.codes.internal_server_error,
+    }),
+    ('ncloud://user:pass@localhost:8082/admin', {
+        'instance': plugins.NotifyNextcloud,
+        # throw a bizzare code forcing us to fail to look it up
+        'response': False,
+        'requests_response_code': 999,
+    }),
+    ('ncloud://user:pass@localhost:8083/user1/user2/user3', {
+        'instance': plugins.NotifyNextcloud,
+        # Throws a series of connection and transfer exceptions when this flag
+        # is set and tests that we gracfully handle them
+        'test_requests_exceptions': True,
+    }),
+
     ##################################
     # NotifyProwl
     ##################################