Luke Barnard 34ed4f4206 Implement username availability checker ... Outlined here: https://github.com/vector-im/riot-web/issues/3605#issuecomment-298679388 ```HTTP GET /_matrix/.../register/available { "username": "desiredlocalpart123" } ``` If available, the response looks like ```HTTP HTTP/1.1 200 OK { "available": true } ``` Otherwise, ```HTTP HTTP/1.1 429 { "errcode": "M_LIMIT_EXCEEDED", "error": "Too Many Requests", "retry_after_ms": 2000 } ``` or ```HTTP HTTP/1.1 400 { "errcode": "M_USER_IN_USE", "error": "User ID already taken." } ``` or ```HTTP HTTP/1.1 400 { "errcode": "M_INVALID_USERNAME", "error": "Some reason for username being invalid" } ```		2017-05-03 12:04:12 +01:00
..
__init__.py	copyrights	2016-01-07 04:26:29 +00:00
_base.py	GET /devices endpoint	2016-07-20 16:42:32 +01:00
account_data.py	m.read_marker -> m.fully_read (#2128)	2017-04-18 17:46:15 +01:00
account.py	Fix token request for addition of phone numbers	2017-03-23 18:46:17 +00:00
auth.py	window.postmessage for Interactive Auth fallback	2016-10-06 18:16:59 +01:00
devices.py	Implement _simple_delete_many_txn, use it to delete devices	2017-03-13 17:53:23 +00:00
filter.py	Refactor test_filter to use real DataStore	2016-10-18 12:17:38 -05:00
keys.py	sets aren't JSON serializable	2017-02-02 14:55:54 +00:00
notifications.py	Implement only=highlight on /notifications	2016-09-08 13:43:35 +01:00
openid.py	Rename openid/token to openid/request_token	2016-05-05 15:15:00 +01:00
read_marker.py	m.read_marker -> m.fully_read (#2128)	2017-04-18 17:46:15 +01:00
receipts.py	Shuffle receipt handler around so that worker apps don't need to load it	2016-11-23 15:14:24 +00:00
register.py	Implement username availability checker	2017-05-03 12:04:12 +01:00
report_event.py	Add timestamp and auto incrementing ID	2016-05-04 15:19:12 +01:00
sendtodevice.py	Allow guest access to endpoints for E2E	2016-11-25 15:26:34 +00:00
sync.py	Comment and remove spurious logging	2017-04-27 17:25:44 +01:00
tags.py	Use parse_json_object_from_request to parse JSON out of request bodies	2016-03-11 16:41:03 +00:00
thirdparty.py	switch to allow_guest=True for authing 3Ps as per PR feedback	2017-03-31 13:54:26 +01:00
tokenrefresh.py	Rip out more refresh_token code	2016-11-30 17:40:18 +00:00