def validate_channel_id(name: str, integration_id: Optional[int],
input_channel_id: str) -> None:
"""
In the case that the user is creating an alert via the API and providing the channel ID and name
themselves, we want to make sure both values are correct.
"""
try:
integration = Integration.objects.get(id=integration_id)
except Integration.DoesNotExist:
raise Http404
token = integration.metadata["access_token"]
headers = {"Authorization": f"Bearer {token}"}
payload = {"channel": input_channel_id}
client = SlackClient()
try:
results = client.get("/conversations.info",
headers=headers,
params=payload)
except ApiError as e:
if e.text == "channel_not_found":
raise ValidationError("Channel not found. Invalid ID provided.")
logger.info("rule.slack.conversation_info_failed",
extra={"error": str(e)})
raise IntegrationError("Could not retrieve Slack channel information.")
if not isinstance(results, dict):
raise IntegrationError("Bad slack channel list response.")
stripped_channel_name = strip_channel_name(name)
if not stripped_channel_name == results["channel"]["name"]:
channel_name = results["channel"]["name"]
raise ValidationError(
f"Received channel name {channel_name} does not match inputted channel name {stripped_channel_name}."
)
def get_users(integration: Integration,
organization: Organization) -> Sequence[Mapping[str, Any]]:
access_token = (integration.metadata.get("user_access_token")
or integration.metadata["access_token"])
headers = {"Authorization": f"Bearer {access_token}"}
client = SlackClient()
user_list = []
next_cursor = None
for i in range(SLACK_GET_USERS_PAGE_LIMIT):
try:
next_users = client.get(
"/users.list",
headers=headers,
params={
"limit": SLACK_GET_USERS_PAGE_SIZE,
"cursor": next_cursor
},
)
except ApiError as e:
logger.info(
"post_install.fail.slack_users.list",
extra={
"error": str(e),
"organization": organization.slug,
"integration_id": integration.id,
},
)
break
user_list += next_users["members"]
next_cursor = next_users["response_metadata"]["next_cursor"]
if not next_cursor:
break
return user_list
def get_channel_id_with_timeout(
integration: "Integration",
name: Optional[str],
timeout: int,
) -> Tuple[str, Optional[str], bool]:
"""
Fetches the internal slack id of a channel.
:param integration: The slack integration
:param name: The name of the channel
:param timeout: Our self-imposed time limit.
:return: a tuple of three values
1. prefix: string (`"#"` or `"@"`)
2. channel_id: string or `None`
3. timed_out: boolean (whether we hit our self-imposed time limit)
"""
headers = {
"Authorization": f"Bearer {integration.metadata['access_token']}"
}
payload = {
"exclude_archived": False,
"exclude_members": True,
"types": "public_channel,private_channel",
}
list_types = LIST_TYPES
time_to_quit = time.time() + timeout
client = SlackClient()
id_data: Optional[Tuple[str, Optional[str], bool]] = None
found_duplicate = False
prefix = ""
for list_type, result_name, prefix in list_types:
cursor = ""
while True:
endpoint = f"/{list_type}.list"
try:
# Slack limits the response of `<list_type>.list` to 1000 channels
items = client.get(endpoint,
headers=headers,
params=dict(payload,
cursor=cursor,
limit=1000))
except ApiRateLimitedError as e:
logger.info(f"rule.slack.{list_type}_list_rate_limited",
extra={"error": str(e)})
raise e
except ApiError as e:
logger.info(f"rule.slack.{list_type}_list_rate_limited",
extra={"error": str(e)})
return prefix, None, False
if not isinstance(items, dict):
continue
for c in items[result_name]:
# The "name" field is unique (this is the username for users)
# so we return immediately if we find a match.
# convert to lower case since all names in Slack are lowercase
if name and c["name"].lower() == name.lower():
return prefix, c["id"], False
# If we don't get a match on a unique identifier, we look through
# the users' display names, and error if there is a repeat.
if list_type == "users":
profile = c.get("profile")
if profile and profile.get("display_name") == name:
if id_data:
found_duplicate = True
else:
id_data = (prefix, c["id"], False)
cursor = items.get("response_metadata",
{}).get("next_cursor", None)
if time.time() > time_to_quit:
return prefix, None, True
if not cursor:
break
if found_duplicate:
raise DuplicateDisplayNameError(name)
elif id_data:
return id_data
return prefix, None, False