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gallery-dl/gallery_dl/extractor/oauth.py
2018-05-10 18:58:05 +02:00

296 lines
8.7 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2017-2018 Mike Fährmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
"""Utility classes to setup OAuth and link a users account to gallery-dl"""
from .common import Extractor, Message
from . import deviantart, flickr, reddit, smugmug, tumblr
from .. import text, oauth, config
import os
import urllib.parse
class OAuthBase(Extractor):
"""Base class for OAuth Helpers"""
category = "oauth"
redirect_uri = "http://localhost:6414/"
def __init__(self, match):
Extractor.__init__(self)
self.client = None
def oauth_config(self, key, default=None):
return config.interpolate(
("extractor", self.subcategory, key), default)
def recv(self):
"""Open local HTTP server and recv callback parameters"""
import socket
print("Waiting for response. (Cancel with Ctrl+c)")
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server.bind(("localhost", 6414))
server.listen(1)
# workaround for ctrl+c not working during server.accept on Windows
if os.name == "nt":
server.settimeout(1.0)
while True:
try:
self.client = server.accept()[0]
break
except socket.timeout:
pass
server.close()
data = self.client.recv(1024).decode()
path = data.split(" ", 2)[1]
return text.parse_query(path.partition("?")[2])
def send(self, msg):
"""Send 'msg' to the socket opened in 'recv()'"""
print(msg)
self.client.send(b"HTTP/1.1 200 OK\r\n\r\n" + msg.encode())
self.client.close()
def open(self, url, params):
"""Open 'url' in browser amd return response parameters"""
import webbrowser
url += "?" + urllib.parse.urlencode(params)
if not self.config("browser", True) or not webbrowser.open(url):
print("Please open this URL in your browser:")
print(url, end="\n\n", flush=True)
return self.recv()
def _oauth1_authorization_flow(
self, request_token_url, authorize_url, access_token_url):
"""Perform the OAuth 1.0a authorization flow"""
# get a request token
params = {"oauth_callback": self.redirect_uri}
data = self.session.get(request_token_url, params=params).text
data = text.parse_query(data)
self.session.auth.token_secret = data["oauth_token_secret"]
# get the user's authorization
params = {"oauth_token": data["oauth_token"], "perms": "read"}
data = self.open(authorize_url, params)
# exchange the request token for an access token
# self.session.token = data["oauth_token"]
data = self.session.get(access_token_url, params=data).text
data = text.parse_query(data)
self.send(OAUTH1_MSG_TEMPLATE.format(
category=self.subcategory,
token=data["oauth_token"],
token_secret=data["oauth_token_secret"],
))
def _oauth2_authorization_code_grant(
self, client_id, client_secret, auth_url, token_url,
scope="read", key="refresh_token", auth=True):
"""Perform an OAuth2 authorization code grant"""
state = "gallery-dl_{}_{}".format(
self.subcategory,
oauth.nonce(8),
)
auth_params = {
"client_id": client_id,
"response_type": "code",
"state": state,
"redirect_uri": self.redirect_uri,
"duration": "permanent",
"scope": scope,
}
# receive an authorization code
params = self.open(auth_url, auth_params)
# check authorization response
if state != params.get("state"):
self.send("'state' mismatch: expected {}, got {}.".format(
state, params.get("state")
))
return
if "error" in params:
self.send(params["error"])
return
# exchange the authorization code for a token
data = {
"grant_type": "authorization_code",
"code": params["code"],
"redirect_uri": self.redirect_uri,
}
if auth:
auth = (client_id, client_secret)
else:
auth = None
data["client_id"] = client_id
data["client_secret"] = client_secret
data = self.session.post(token_url, data=data, auth=auth).json()
# check token response
if "error" in data:
self.send(data["error"])
return
# display token
part = key.partition("_")[0]
self.send(OAUTH2_MSG_TEMPLATE.format(
category=self.subcategory,
key=part,
Key=part.capitalize(),
token=data[key],
))
class OAuthDeviantart(OAuthBase):
subcategory = "deviantart"
pattern = ["oauth:deviantart$"]
redirect_uri = "https://mikf.github.io/gallery-dl/oauth-redirect.html"
def items(self):
yield Message.Version, 1
self._oauth2_authorization_code_grant(
self.oauth_config(
"client-id", deviantart.DeviantartAPI.CLIENT_ID),
self.oauth_config(
"client-secret", deviantart.DeviantartAPI.CLIENT_SECRET),
"https://www.deviantart.com/oauth2/authorize",
"https://www.deviantart.com/oauth2/token",
scope="browse",
)
class OAuthFlickr(OAuthBase):
subcategory = "flickr"
pattern = ["oauth:flickr$"]
def __init__(self, match):
OAuthBase.__init__(self, match)
self.session = oauth.OAuth1Session(
self.oauth_config("api-key", flickr.FlickrAPI.API_KEY),
self.oauth_config("api-secret", flickr.FlickrAPI.API_SECRET),
)
def items(self):
yield Message.Version, 1
self._oauth1_authorization_flow(
"https://www.flickr.com/services/oauth/request_token",
"https://www.flickr.com/services/oauth/authorize",
"https://www.flickr.com/services/oauth/access_token",
)
class OAuthReddit(OAuthBase):
subcategory = "reddit"
pattern = ["oauth:reddit$"]
def items(self):
yield Message.Version, 1
self.session.headers["User-Agent"] = reddit.RedditAPI.USER_AGENT
self._oauth2_authorization_code_grant(
self.oauth_config("client-id", reddit.RedditAPI.CLIENT_ID),
"",
"https://www.reddit.com/api/v1/authorize",
"https://www.reddit.com/api/v1/access_token",
scope="read",
)
class OAuthSmugmug(OAuthBase):
subcategory = "smugmug"
pattern = ["oauth:smugmug$"]
def __init__(self, match):
OAuthBase.__init__(self, match)
self.session = oauth.OAuth1Session(
self.oauth_config("api-key", smugmug.SmugmugAPI.API_KEY),
self.oauth_config("api-secret", smugmug.SmugmugAPI.API_SECRET),
)
def items(self):
yield Message.Version, 1
self._oauth1_authorization_flow(
"https://api.smugmug.com/services/oauth/1.0a/getRequestToken",
"https://api.smugmug.com/services/oauth/1.0a/authorize",
"https://api.smugmug.com/services/oauth/1.0a/getAccessToken",
)
class OAuthTumblr(OAuthBase):
subcategory = "tumblr"
pattern = ["oauth:tumblr$"]
def __init__(self, match):
OAuthBase.__init__(self, match)
self.session = oauth.OAuth1Session(
self.oauth_config("api-key", tumblr.TumblrAPI.API_KEY),
self.oauth_config("api-secret", tumblr.TumblrAPI.API_SECRET),
)
def items(self):
yield Message.Version, 1
self._oauth1_authorization_flow(
"https://www.tumblr.com/oauth/request_token",
"https://www.tumblr.com/oauth/authorize",
"https://www.tumblr.com/oauth/access_token",
)
OAUTH1_MSG_TEMPLATE = """
Your Access Token and Access Token Secret are
{token}
{token_secret}
Put these values into your configuration file as
'extractor.{category}.access-token' and
'extractor.{category}.access-token-secret'.
Example:
{{
"extractor": {{
"{category}": {{
"access-token": "{token}",
"access-token-secret": "{token_secret}"
}}
}}
}}
"""
OAUTH2_MSG_TEMPLATE = """
Your {Key} Token is
{token}
Put this value into your configuration file as
'extractor.{category}.{key}-token'.
Example:
{{
"extractor": {{
"{category}": {{
"{key}-token": "{token}"
}}
}}
}}
"""