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mirror of https://github.com/krateng/maloja.git synced 2023-08-10 21:12:55 +03:00

Reorganized compliant APIs somewhat, possibly for the worse

This commit is contained in:
Krateng 2019-05-14 17:18:28 +02:00
parent 3c6cfc81c5
commit 53778ce644
2 changed files with 151 additions and 94 deletions

View File

@ -3,6 +3,8 @@ import hashlib
import random
import database
import datetime
import itertools
import sys
from cleanup import CleanerAgent
from bottle import response
@ -33,6 +35,13 @@ def generate_key(ls):
# return False
handlers = {}
def handler(apiname,version):
def deco(cls):
handlers[(apiname,version)] = cls()
return cls
return deco
def handle(path,keys,headers,auth):
print("API request: " + str(path))
@ -44,104 +53,152 @@ def handle(path,keys,headers,auth):
print("\t" + str(h) + ": " + str(headers.get(h)))
print("Auth: " + str(auth))
try:
if path[0] in ["audioscrobbler","gnukebox","gnufm"]:
response = handle_audioscrobbler(path[1:],keys)
elif path[0] in ["listenbrainz","lbrnz"]:
response = handle_listenbrainz(path[1:],keys,headers)
else:
response = {"error_message":"Invalid scrobble protocol"}
except:
response = {"error_message":"Unknown API error"}
raise
keys = {**keys,**headers}
print("Response: " + str(response))
return response
# no need to save these on disk, clients can always request a new session
mobile_sessions = []
def handle_audioscrobbler(path,keys):
if path[0] == "2.0":
if keys.get("method") == "auth.getMobileSession":
token = keys.get("authToken")
user = keys.get("username")
password = keys.get("password")
# either username and password
if user is not None and password is not None:
if password in database.allAPIkeys():
sessionkey = generate_key(mobile_sessions)
return {"session":{"key":sessionkey}}
# or username and token (deprecated by lastfm)
elif user is not None and token is not None:
for key in database.allAPIkeys():
if md5(user + md5(key)) == token:
sessionkey = generate_key(mobile_sessions)
return {"session":{"key":sessionkey}}
return {"error":4}
if len(path)>1 and (path[0],path[1]) in handlers:
handler = handlers[(path[0],path[1])]
path = path[2:]
try:
response.status,result = handler.handle(path,keys)
except:
type = sys.exc_info()[0]
response.status,result = handler.errors[type]
else:
result = {"error":"Invalid scrobble protocol"}
response.status = 500
elif keys.get("method") == "track.scrobble":
if keys.get("sk") is None or keys.get("sk") not in mobile_sessions:
return {"error":9}
print("Response: " + str(result))
return result
class BadAuthException(Exception): pass
class InvalidAuthException(Exception): pass
class InvalidMethodException(Exception): pass
class InvalidSessionKey(Exception): pass
class MalformedJSONException(Exception): pass
class APIHandler:
_instance = None
def __new__(cls, *args, **kwargs):
if not isinstance(cls._instance, cls):
cls._instance = object.__new__(cls, *args, **kwargs)
return cls._instance
def handle(self,pathnodes,keys):
try:
methodname = self.get_method(pathnodes,keys)
method = self.methods[methodname]
except:
raise InvalidMethodException()
return method(pathnodes,keys)
@handler("audioscrobbler","2.0")
@handler("gnufm","2.0")
@handler("gnukebox","2.0")
class GNUFM2(APIHandler):
def __init__(self):
# no need to save these on disk, clients can always request a new session
self.mobile_sessions = []
self.methods = {
"auth.getMobileSession":self.authmobile,
"track.scrobble":self.scrobble
}
self.errors = {
BadAuthException:(400,{"error":6,"message":"Requires authentication"}),
InvalidAuthException:(401,{"error":4,"message":"Invalid credentials"}),
InvalidMethodException:(200,{"error":3,"message":"Invalid method"}),
InvalidSessionKey:(403,{"error":9,"message":"Invalid session key"})
}
def get_method(self,pathnodes,keys):
return keys.get("method")
def authmobile(self,pathnodes,keys):
token = keys.get("authToken")
user = keys.get("username")
password = keys.get("password")
# either username and password
if user is not None and password is not None:
if password in database.allAPIkeys():
sessionkey = generate_key(self.mobile_sessions)
return 200,{"session":{"key":sessionkey}}
else:
raise InvalidAuthException()
# or username and token (deprecated by lastfm)
elif user is not None and token is not None:
for key in database.allAPIkeys():
if md5(user + md5(key)) == token:
sessionkey = generate_key(self.mobile_sessions)
return 200,{"session":{"key":sessionkey}}
raise InvalidAuthException()
else:
raise BadAuthException()
if "track" in keys and "artist" in keys:
artiststr,titlestr = keys["artist"], keys["track"]
def scrobble(self,pathnodes,keys):
if keys.get("sk") is None or keys.get("sk") not in self.mobile_sessions:
raise InvalidSessionKey()
else:
if "track" in keys and "artist" in keys:
artiststr,titlestr = keys["artist"], keys["track"]
(artists,title) = cla.fullclean(artiststr,titlestr)
timestamp = int(keys["timestamp"])
database.createScrobble(artists,title,timestamp)
return 200,{"scrobbles":{"@attr":{"ignored":0}}}
else:
for num in range(50):
if "track[" + str(num) + "]" in keys:
artiststr,titlestr = keys["artist[" + str(num) + "]"], keys["track[" + str(num) + "]"]
(artists,title) = cla.fullclean(artiststr,titlestr)
timestamp = int(keys["timestamp[" + str(num) + "]"])
database.createScrobble(artists,title,timestamp)
return 200,{"scrobbles":{"@attr":{"ignored":0}}}
@handler("listenbrainz","1")
@handler("lbrnz","1")
class LBrnz1(APIHandler):
def __init__(self):
self.methods = {
"submit-listens":self.submit
}
self.errors = {
BadAuthException:(401,{"code":401,"error":"You need to provide an Authorization header."}),
InvalidAuthException:(401,{"code":401,"error":"Bad Auth"}),
InvalidMethodException:(200,{"code":200,"error":"Invalid Method"}),
MalformedJSONException:(400,{"code":400,"error":"Invalid JSON document submitted."})
}
def get_method(self,pathnodes,keys):
print(pathnodes)
return pathnodes.pop(0)
def submit(self,pathnodes,keys):
try:
token = keys.get("Authorization").replace("token ","").strip()
except:
raise BadAuthException()
if token not in database.allAPIkeys():
raise InvalidAuthException()
try:
if keys["listen_type"] in ["single","import"]:
payload = keys["payload"]
for listen in payload:
metadata = listen["track_metadata"]
artiststr, titlestr = metadata["artist_name"], metadata["track_name"]
(artists,title) = cla.fullclean(artiststr,titlestr)
timestamp = int(keys["timestamp"])
try:
timestamp = int(listen["listened_at"])
except:
timestamp = int(datetime.datetime.now(tz=datetime.timezone.utc).timestamp())
database.createScrobble(artists,title,timestamp)
return {"scrobbles":{"@attr":{"ignored":0}}}
else:
for num in range(50):
if "track[" + str(num) + "]" in keys:
artiststr,titlestr = keys["artist[" + str(num) + "]"], keys["track[" + str(num) + "]"]
(artists,title) = cla.fullclean(artiststr,titlestr)
timestamp = int(keys["timestamp[" + str(num) + "]"])
database.createScrobble(artists,title,timestamp)
return {"scrobbles":{"@attr":{"ignored":0}}}
return {"error":3}
else:
return {"error_message":"API version not supported"}
def handle_listenbrainz(path,keys,headers):
if path[0] == "1":
if path[1] == "submit-listens":
if headers.get("Authorization") is not None:
token = headers.get("Authorization").replace("token ","").strip()
if token in database.allAPIkeys():
if "payload" in keys:
if keys["listen_type"] in ["single","import"]:
for listen in keys["payload"]:
metadata = listen["track_metadata"]
artiststr, titlestr = metadata["artist_name"], metadata["track_name"]
(artists,title) = cla.fullclean(artiststr,titlestr)
try:
timestamp = int(listen["listened_at"])
except:
timestamp = int(datetime.datetime.now(tz=datetime.timezone.utc).timestamp())
database.createScrobble(artists,title,timestamp)
return {"code":200,"status":"ok"}
else:
response.status = 400
return {"code":400,"error":"Invalid JSON document submitted."}
else:
return {"error":"Bad Auth"}
return 200,{"code":200,"status":"ok"}
else:
return {"code":401,"error":"You need to provide an Authorization header."}
else:
return {"error_message":"Invalid API method"}
else:
return {"error_message":"API version not supported"}
return 200,{"code":200,"status":"ok"}
except:
raise MalformedJSONException()

View File

@ -664,7 +664,7 @@ def sapi(path):
path = path.split("/")
path = list(filter(None,path))
headers = request.headers
if "application/json" in request.get_header("Content-Type"):
if request.get_header("Content-Type") is not None and "application/json" in request.get_header("Content-Type"):
keys = request.json
else:
keys = FormsDict.decode(request.params)