diff options
Diffstat (limited to 'pkgs/games/gog/fetch-gog/default.nix')
| -rw-r--r-- | pkgs/games/gog/fetch-gog/default.nix | 85 |
1 files changed, 69 insertions, 16 deletions
diff --git a/pkgs/games/gog/fetch-gog/default.nix b/pkgs/games/gog/fetch-gog/default.nix index 3389eb60..e16f9e87 100644 --- a/pkgs/games/gog/fetch-gog/default.nix +++ b/pkgs/games/gog/fetch-gog/default.nix @@ -9,6 +9,33 @@ }: let + # Taken from lgogdownloader (https://github.com/Sude-/lgogdownloader): + clientId = "46899977096215655"; + clientSecret = "9d85c43b1482497dbbce61f6e4aa173a" + + "433796eeae2ca8c5f6129f2dc4de46d9"; + redirectUri = "https://embed.gog.com/on_login_success?origin=client"; + + urlencode = url: query: let + urlquote = isQstring: val: let + extraSafeChars = lib.optionalString (!isQstring) "/:"; + safeChars = lib.lowerChars ++ lib.upperChars + ++ lib.stringToCharacters ("0123456789_.-" + extraSafeChars); + charList = lib.stringToCharacters val; + hexify = chr: "%${import ./hexify-char.nix chr}"; + quoteChar = chr: if lib.elem chr safeChars then chr else hexify chr; + in lib.concatMapStrings quoteChar charList; + mkKeyVal = key: val: "${urlquote true key}=${urlquote true val}"; + qstring = lib.concatStringsSep "&" (lib.mapAttrsToList mkKeyVal query); + in urlquote false url + lib.optionalString (query != {}) "?${qstring}"; + + authURL = urlencode "https://auth.gog.com/auth" { + client_id = clientId; + redirect_uri = redirectUri; + response_type = "code"; + layout = "default"; + brand = "gog"; + }; + getCaptcha = let mkCString = val: let escaped = lib.replaceStrings ["\"" "\\" "\n"] ["\\\"" "\\\\" "\\n"] val; @@ -44,12 +71,9 @@ let #include <QQuickWebEngineProfile> #include <QUrlQuery> - // Taken from lgogdownloader (https://github.com/Sude-/lgogdownloader): - static QString clientId = "46899977096215655"; - static QString clientSecret = - "9d85c43b1482497dbbce61f6e4aa173a433796eeae2ca8c5f6129f2dc4de46d9"; - static QString redirectUri = - "https://embed.gog.com/on_login_success?origin=client"; + static QString clientId = ${mkCString clientId}; + static QString clientSecret = ${mkCString clientSecret}; + static QString redirectUri = ${mkCString redirectUri}; static QUrl getAuthUrl() { QUrl url("https://auth.gog.com/auth"); @@ -136,13 +160,48 @@ let fetcher = writeText "fetch-gog.py" '' import sys, socket, time from urllib.request import urlopen, Request + from urllib.parse import urlsplit, urlencode, parse_qs from urllib.error import HTTPError from json import loads + import mechanicalsoup from tabulate import tabulate class GogFetcher: def __init__(self, product_id, download_type, download_name): + self.product_id = product_id + self.download_type = download_type + self.download_name = download_name + self.login() + + def login(self): + browser = mechanicalsoup.StatefulBrowser() + response = browser.open(${mkPyStr authURL}) + if "google.com/recaptcha" in response.text: + token_url = self.login_with_captcha() + else: + browser.select_form('form[name="login"]') + browser['login[username]'] = ${mkPyStr email} + browser['login[password]'] = ${mkPyStr password} + browser.submit_selected() + + auth_code = parse_qs(urlsplit(browser.get_url()).query)['code'] + + token_url = "https://auth.gog.com/token?" + urlencode({ + 'client_id': ${mkPyStr clientId}, + 'client_secret': ${mkPyStr clientSecret}, + 'grant_type': 'authorization_code', + 'code': auth_code, + 'redirect_uri': ${mkPyStr redirectUri} + }) + + response = urlopen( + token_url, cafile=${mkPyStr "${cacert}/etc/ssl/certs/ca-bundle.crt"} + ) + + self.access_token = loads(response.read())['access_token'] + + def login_with_captcha(self): sys.stderr.write("Solving a captcha is required to log in.\n") sys.stderr.write("Please run " ${mkPyStr getCaptcha} " now.\n") sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) @@ -159,15 +218,7 @@ let token_url = sock.recv(4096) sock.close() sys.stderr.write("Captcha solved correctly, logging in.\n") - response = urlopen( - token_url.decode(), - cafile=${mkPyStr "${cacert}/etc/ssl/certs/ca-bundle.crt"} - ) - - self.product_id = product_id - self.download_type = download_type - self.download_name = download_name - self.access_token = loads(response.read())['access_token'] + return token_url.decode() def request(self, url): headers = {"Authorization": "Bearer " + self.access_token} @@ -227,7 +278,9 @@ in stdenv.mkDerivation { outputHashAlgo = "sha256"; outputHash = sha256; - nativeBuildInputs = [ curl python3Packages.tabulate ]; + nativeBuildInputs = [ + curl python3Packages.tabulate python3Packages.MechanicalSoup + ]; buildCommand = '' url="$(${python3Packages.python.interpreter} ${fetcher} \ |