link_shortener: Migrate from goo.gl to bit.ly service.

Shorten URLs by using bit.ly service instead of goo.gl service.

Fixes #367
This commit is contained in:
novokrest 2018-04-27 21:42:05 +03:00 committed by Rohitt Vashishtha
parent dcd4c4a96e
commit 3db070b99e
6 changed files with 60 additions and 57 deletions

View file

@ -1,10 +1,9 @@
# Link Shortener Bot
Link Shortener Bot is a Zulip bot that will shorten URLs ("links") in a
conversation. It uses the [goo.gl URL shortener API] to shorten its links.
conversation. It uses the [bitly URL shortener API] to shorten its links.
Use [this](https://developers.google.com/url-shortener/v1/getting_started) to get
your API Key.
Use [this](https://dev.bitly.com/get_started.html) to get your API Key.
Links can be anywhere in the message, for example,
@ -15,6 +14,6 @@ Links can be anywhere in the message, for example,
and LS Bot would respond
> https://github.com/zulip/python-zulip-api/tree/master/zulip_bots/zulip_bots/bots:
> **https://goo.gl/NjLZZH**
> **https://bit.ly/2FF3QHu**
[goo.gl URL shortener API]: https://goo.gl
[bitly URL shortener API]: https://bitly.com/

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@ -0,0 +1,18 @@
{
"request": {
"api_url": "https://api-ssl.bitly.com/v3/shorten",
"method": "GET",
"params": {
"access_token": "qwertyuiopx",
"longUrl": "www.youtube.com/watch"
}
},
"response": {
"status_code": 500,
"status_txt": "INVALID_ARG_ACCESS_TOKEN",
"data": []
},
"response-headers": {
"content-type": "application/json; charset=utf-8"
}
}

View file

@ -1,27 +0,0 @@
{
"request": {
"api_url": "https://www.googleapis.com/urlshortener/v1/url",
"method": "POST",
"params": {
"key": "qwertyuiopx"
},
"json": {
"longUrl": "www.youtube.com/watch"
}
},
"response": {
"error":{
"errors":[
{
"reason":"keyInvalid"
}
]
},
"code": 400,
"message": "Bad Request"
},
"response-headers": {
"status": 400,
"content-type": "application/json; charset=utf-8"
}
}

View file

@ -1,16 +1,22 @@
{
"request": {
"api_url": "https://www.googleapis.com/urlshortener/v1/url",
"method": "POST",
"api_url": "https://api-ssl.bitly.com/v3/shorten",
"method": "GET",
"params": {
"key": "qwertyuiop"
},
"json": {
"access_token": "qwertyuiop",
"longUrl": "https://www.github.com/zulip/zulip"
}
},
"response": {
"id": "https://goo.gl/6uoWKb"
"status_code": 200,
"status_txt": "OK",
"data": {
"url": "http://bit.ly/2Ht2hOI",
"hash": "2Ht2hOI",
"global_hash": "3j4ir4",
"long_url": "https://www.github.com/zulip/zulip/",
"new_hash": 0
}
},
"response-headers": {
"status": 200,

View file

@ -20,18 +20,16 @@ class LinkShortenerHandler(object):
self.check_api_key(bot_handler)
def check_api_key(self, bot_handler: Any) -> None:
test_request = requests.post(
'https://www.googleapis.com/urlshortener/v1/url',
json={'longUrl': 'www.youtube.com/watch'},
params={'key': self.config_info['key']}
) # type: Any
test_request_data = test_request.json()
test_request_data = self.call_link_shorten_service('www.youtube.com/watch') # type: Any
try:
if test_request_data['error']['errors'][0]['reason'] == 'keyInvalid':
if self.is_invalid_token_error(test_request_data):
bot_handler.quit('Invalid key. Follow the instructions in doc.md for setting API key.')
except KeyError:
pass
def is_invalid_token_error(self, response_json: Any) -> bool:
return response_json['status_code'] == 500 and response_json['status_txt'] == 'INVALID_ARG_ACCESS_TOKEN'
def handle_message(self, message: Dict[str, str], bot_handler: Any) -> None:
REGEX_STR = (
'('
@ -83,15 +81,24 @@ class LinkShortenerHandler(object):
long_url (str): The original URL to shorten.
'''
body = {'longUrl': long_url}
params = {'key': self.config_info['key']}
response_json = self.call_link_shorten_service(long_url)
if response_json['status_code'] == 200 and self.has_shorten_url(response_json):
shorten_url = self.get_shorten_url(response_json)
else:
shorten_url = ''
return shorten_url
request = requests.post(
'https://www.googleapis.com/urlshortener/v1/url',
json=body,
params=params
def call_link_shorten_service(self, long_url: str) -> Any:
response = requests.get(
'https://api-ssl.bitly.com/v3/shorten',
params={'access_token': self.config_info['key'], 'longUrl': long_url}
)
return response.json()
return request.json().get('id', '')
def has_shorten_url(self, response_json: Any) -> bool:
return 'data' in response_json and 'url' in response_json['data']
def get_shorten_url(self, response_json: Any) -> str:
return response_json['data']['url']
handler_class = LinkShortenerHandler

View file

@ -12,19 +12,19 @@ class TestLinkShortenerBot(BotTestCase):
self.verify_reply(message, response)
def test_bot_responds_to_empty_message(self) -> None:
with patch('requests.post'):
with patch('requests.get'):
self._test('', 'No links found. Send "help" to see usage instructions.')
def test_normal(self) -> None:
with self.mock_http_conversation('test_normal'):
self._test('Shorten https://www.github.com/zulip/zulip please.',
'https://www.github.com/zulip/zulip: https://goo.gl/6uoWKb')
'https://www.github.com/zulip/zulip: http://bit.ly/2Ht2hOI')
def test_no_links(self) -> None:
# No `mock_http_conversation` is necessary because the bot will
# recognize that no links are in the message and won't make any HTTP
# requests.
with patch('requests.post'):
with patch('requests.get'):
self._test('Shorten nothing please.',
'No links found. Send "help" to see usage instructions.')
@ -32,7 +32,7 @@ class TestLinkShortenerBot(BotTestCase):
# No `mock_http_conversation` is necessary because the bot will
# recognize that the message is 'help' and won't make any HTTP
# requests.
with patch('requests.post'):
with patch('requests.get'):
self._test('help',
('Mention the link shortener bot in a conversation and then '
'enter any URLs you want to shorten in the body of the message.'))
@ -40,6 +40,6 @@ class TestLinkShortenerBot(BotTestCase):
def test_exception_when_api_key_is_invalid(self)-> None:
bot_test_instance = LinkShortenerHandler()
with self.mock_config_info({'key': 'qwertyuiopx'}):
with self.mock_http_conversation('test_invalid_key'):
with self.mock_http_conversation('test_invalid_access_token'):
with self.assertRaises(StubBotHandler.BotQuitException):
bot_test_instance.initialize(StubBotHandler())