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gallery-dl/gallery_dl/extractor/oauth.py
2024-10-01 08:22:50 +02:00

476 lines
16 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2017-2023 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 accounts to gallery-dl"""
from .common import Extractor, Message
from .. import text, oauth, util, config, exception
from ..output import stdout_write
from ..cache import cache, memcache
import urllib.parse
import binascii
import hashlib
REDIRECT_URI_LOCALHOST = "http://localhost:6414/"
REDIRECT_URI_HTTPS = "https://mikf.github.io/gallery-dl/oauth-redirect.html"
class OAuthBase(Extractor):
"""Base class for OAuth Helpers"""
category = "oauth"
redirect_uri = REDIRECT_URI_LOCALHOST
def __init__(self, match):
Extractor.__init__(self, match)
self.client = None
def _init(self):
self.cache = config.get(("extractor", self.category), "cache", True)
if self.cache and cache is memcache:
self.log.warning("cache file is not writeable")
self.cache = False
def oauth_config(self, key, default=None):
value = config.interpolate(("extractor", self.subcategory), key)
return value if value is not None else default
def recv(self):
"""Open local HTTP server and recv callback parameters"""
import socket
stdout_write("Waiting for response. (Cancel with Ctrl+c)\n")
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
server.bind((self.config("host", "localhost"),
self.config("port", 6414)))
server.listen(1)
# workaround for ctrl+c not working during server.accept on Windows
if util.WINDOWS:
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()'"""
stdout_write(msg)
self.client.send(b"HTTP/1.1 200 OK\r\n\r\n" + msg.encode())
self.client.close()
def open(self, url, params, recv=None):
"""Open 'url' in browser amd return response parameters"""
url += "?" + urllib.parse.urlencode(params)
browser = self.config("browser", True)
if browser:
try:
import webbrowser
browser = webbrowser.get()
except Exception:
browser = None
if browser and browser.open(url):
name = getattr(browser, "name", None) or "Browser"
self.log.info("Opening URL in %s:", name.capitalize())
else:
self.log.info("Please open this URL in your browser:")
stdout_write("\n{}\n\n".format(url))
return (recv or self.recv)()
def error(self, msg):
return self.send(
"Remote server reported an error:\n\n{}\n".format(msg))
def _oauth1_authorization_flow(
self, default_key, default_secret,
request_token_url, authorize_url, access_token_url):
"""Perform the OAuth 1.0a authorization flow"""
api_key = self.oauth_config("api-key") or default_key
api_secret = self.oauth_config("api-secret") or default_secret
self.session = oauth.OAuth1Session(api_key, api_secret)
self.log.info("Using %s %s API key (%s)",
"default" if api_key == default_key else "custom",
self.subcategory, api_key)
# get a request token
params = {"oauth_callback": self.redirect_uri}
data = self.request(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
data = self.request(access_token_url, params=data).text
data = text.parse_query(data)
token = data["oauth_token"]
token_secret = data["oauth_token_secret"]
# write to cache
if self.cache:
key = (self.subcategory, self.session.auth.consumer_key)
oauth._token_cache.update(key, (token, token_secret))
self.log.info("Writing tokens to cache")
# display tokens
self.send(self._generate_message(
("access-token", "access-token-secret"),
(token, token_secret),
))
def _oauth2_authorization_code_grant(
self, client_id, client_secret, default_id, default_secret,
auth_url, token_url, scope="read", duration="permanent",
key="refresh_token", auth=True, cache=None, instance=None):
"""Perform an OAuth2 authorization code grant"""
client_id = str(client_id) if client_id else default_id
client_secret = client_secret or default_secret
self.log.info("Using %s %s client ID (%s)",
"default" if client_id == default_id else "custom",
instance or self.subcategory, client_id)
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" : duration,
"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 {}.\n".format(
state, params.get("state")))
return
if "error" in params:
return self.error(params)
# exchange authorization code for a token
data = {
"grant_type" : "authorization_code",
"code" : params["code"],
"redirect_uri": self.redirect_uri,
}
if auth:
auth = util.HTTPBasicAuth(client_id, client_secret)
else:
auth = None
data["client_id"] = client_id
data["client_secret"] = client_secret
data = self.request(
token_url, method="POST", data=data, auth=auth).json()
# check token response
if "error" in data:
return self.error(data)
token = data[key]
token_name = key.replace("_", "-")
# write to cache
if self.cache and cache:
cache.update(instance or ("#" + str(client_id)), token)
self.log.info("Writing '%s' to cache", token_name)
# display token
self.send(self._generate_message(
(token_name,), (token,),
))
def _generate_message(self, names, values):
_vh, _va, _is, _it = (
("This value has", "this value", "is", "it")
if len(names) == 1 else
("These values have", "these values", "are", "them")
)
msg = "\nYour {} {}\n\n{}\n\n".format(
" and ".join("'" + n + "'" for n in names),
_is,
"\n".join(values),
)
opt = self.oauth_config(names[0])
if self.cache and (opt is None or opt == "cache"):
msg += _vh + " been cached and will automatically be used.\n"
else:
msg += "Put " + _va + " into your configuration file as \n"
msg += " and\n".join(
"'extractor." + self.subcategory + "." + n + "'"
for n in names
)
if self.cache:
msg += (
"\nor set\n'extractor.{}.{}' to \"cache\""
.format(self.subcategory, names[0])
)
msg += "\nto use {}.\n".format(_it)
return msg
# --------------------------------------------------------------------
# OAuth 1.0a
class OAuthFlickr(OAuthBase):
subcategory = "flickr"
pattern = "oauth:flickr$"
example = "oauth:flickr"
redirect_uri = REDIRECT_URI_HTTPS
def items(self):
yield Message.Version, 1
from . import flickr
self._oauth1_authorization_flow(
flickr.FlickrAPI.API_KEY,
flickr.FlickrAPI.API_SECRET,
"https://www.flickr.com/services/oauth/request_token",
"https://www.flickr.com/services/oauth/authorize",
"https://www.flickr.com/services/oauth/access_token",
)
class OAuthSmugmug(OAuthBase):
subcategory = "smugmug"
pattern = "oauth:smugmug$"
example = "oauth:smugmug"
def items(self):
yield Message.Version, 1
from . import smugmug
self._oauth1_authorization_flow(
smugmug.SmugmugAPI.API_KEY,
smugmug.SmugmugAPI.API_SECRET,
"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$"
example = "oauth:tumblr"
def items(self):
yield Message.Version, 1
from . import tumblr
self._oauth1_authorization_flow(
tumblr.TumblrAPI.API_KEY,
tumblr.TumblrAPI.API_SECRET,
"https://www.tumblr.com/oauth/request_token",
"https://www.tumblr.com/oauth/authorize",
"https://www.tumblr.com/oauth/access_token",
)
# --------------------------------------------------------------------
# OAuth 2.0
class OAuthDeviantart(OAuthBase):
subcategory = "deviantart"
pattern = "oauth:deviantart$"
example = "oauth:deviantart"
redirect_uri = REDIRECT_URI_HTTPS
def items(self):
yield Message.Version, 1
from . import deviantart
self._oauth2_authorization_code_grant(
self.oauth_config("client-id"),
self.oauth_config("client-secret"),
deviantart.DeviantartOAuthAPI.CLIENT_ID,
deviantart.DeviantartOAuthAPI.CLIENT_SECRET,
"https://www.deviantart.com/oauth2/authorize",
"https://www.deviantart.com/oauth2/token",
scope="browse user.manage",
cache=deviantart._refresh_token_cache,
)
class OAuthReddit(OAuthBase):
subcategory = "reddit"
pattern = "oauth:reddit$"
example = "oauth:reddit"
def items(self):
yield Message.Version, 1
from . import reddit
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 history",
cache=reddit._refresh_token_cache,
)
class OAuthMastodon(OAuthBase):
subcategory = "mastodon"
pattern = "oauth:mastodon:(?:https?://)?([^/?#]+)"
example = "oauth:mastodon:mastodon.social"
def __init__(self, match):
OAuthBase.__init__(self, match)
self.instance = match.group(1)
def items(self):
yield Message.Version, 1
from . import mastodon
for _, root, application in mastodon.MastodonExtractor.instances:
if self.instance == root.partition("://")[2]:
break
else:
application = self._register(self.instance)
self._oauth2_authorization_code_grant(
application["client-id"],
application["client-secret"],
application["client-id"],
application["client-secret"],
"https://{}/oauth/authorize".format(self.instance),
"https://{}/oauth/token".format(self.instance),
instance=self.instance,
key="access_token",
cache=mastodon._access_token_cache,
)
@cache(maxage=36500*86400, keyarg=1)
def _register(self, instance):
self.log.info("Registering application for '%s'", instance)
url = "https://{}/api/v1/apps".format(instance)
data = {
"client_name": "gdl:" + oauth.nonce(8),
"redirect_uris": self.redirect_uri,
"scopes": "read",
}
data = self.request(url, method="POST", data=data).json()
if "client_id" not in data or "client_secret" not in data:
raise exception.StopExtraction(
"Failed to register new application: '%s'", data)
data["client-id"] = data.pop("client_id")
data["client-secret"] = data.pop("client_secret")
self.log.info("client-id:\n%s", data["client-id"])
self.log.info("client-secret:\n%s", data["client-secret"])
return data
# --------------------------------------------------------------------
class OAuthPixiv(OAuthBase):
subcategory = "pixiv"
pattern = "oauth:pixiv$"
example = "oauth:pixiv"
def items(self):
yield Message.Version, 1
from . import pixiv
code_verifier = util.generate_token(32)
digest = hashlib.sha256(code_verifier.encode()).digest()
code_challenge = binascii.b2a_base64(
digest)[:-2].decode().replace("+", "-").replace("/", "_")
url = "https://app-api.pixiv.net/web/v1/login"
params = {
"code_challenge": code_challenge,
"code_challenge_method": "S256",
"client": "pixiv-android",
}
code = self.open(url, params, self._input_code)
url = "https://oauth.secure.pixiv.net/auth/token"
headers = {
"User-Agent": "PixivAndroidApp/5.0.234 (Android 11; Pixel 5)",
}
data = {
"client_id" : self.oauth_config(
"client-id" , pixiv.PixivAppAPI.CLIENT_ID),
"client_secret" : self.oauth_config(
"client-secret", pixiv.PixivAppAPI.CLIENT_SECRET),
"code" : code,
"code_verifier" : code_verifier,
"grant_type" : "authorization_code",
"include_policy": "true",
"redirect_uri" : "https://app-api.pixiv.net"
"/web/v1/users/auth/pixiv/callback",
}
data = self.request(
url, method="POST", headers=headers, data=data).json()
if "error" in data:
stdout_write("\n{}\n".format(data))
if data["error"] in ("invalid_request", "invalid_grant"):
stdout_write("'code' expired, try again\n\n")
return
token = data["refresh_token"]
if self.cache:
username = self.oauth_config("username")
pixiv._refresh_token_cache.update(username, token)
self.log.info("Writing 'refresh-token' to cache")
stdout_write(self._generate_message(("refresh-token",), (token,)))
def _input_code(self):
stdout_write("""\
1) Open your browser's Developer Tools (F12) and switch to the Network tab
2) Login
3) Select the last network monitor entry ('callback?state=...')
4) Copy its 'code' query parameter, paste it below, and press Enter
- This 'code' will expire 30 seconds after logging in.
- Copy-pasting more than just the 'code' value will work as well,
like the entire URL or several query parameters.
""")
code = self.input("code: ")
return code.rpartition("=")[2].strip()