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{ stdenv, curl, cacert, writeText, fetchFromGitHub, fetchpatch
, python, pythonPackages
# Dependencies for the captcha solver
, pkgconfig, qt5, runCommandCC
, email, password
}:
{ name ? null, machineName, downloadName ? "Download", suffix ? "humblebundle", md5 }: let
cafile = "${cacert}/etc/ssl/certs/ca-bundle.crt";
getCaptcha = let
injectedJS = ''
function waitForResponse() {
try {
var response = grecaptcha.getResponse();
} catch(_) {
return setTimeout(waitForResponse, 50);
}
if (response != "")
document.title = response;
else
setTimeout(waitForResponse, 50);
}
waitForResponse();
'';
escapeCString = stdenv.lib.replaceStrings ["\"" "\n"] ["\\\"" "\\n"];
application = writeText "captcha.cc" ''
#include <QApplication>
#include <QWebEngineView>
#include <QTcpServer>
#include <QQuickWebEngineProfile>
int main(int argc, char **argv) {
QApplication *app = new QApplication(argc, argv);
QTcpServer *server = new QTcpServer();
QWebEngineView *browser = new QWebEngineView();
QQuickWebEngineProfile::defaultProfile()->setOffTheRecord(true);
if (!server->listen(QHostAddress::LocalHost, 18123)) {
qCritical() << "Unable to listen on port 18123!";
return 1;
}
qInfo() << "Waiting for connection from the HB downloader...";
if (!server->waitForNewConnection(-1)) {
qCritical() << "Unable to accept the connection!";
return 1;
}
qInfo() << "Connection established, spawning window to solve captcha.";
QTcpSocket *sock = server->nextPendingConnection();
browser->load(QUrl("https://www.humblebundle.com/user/captcha"));
browser->show();
browser->connect(browser, &QWebEngineView::loadFinished, [=]() {
browser->page()->runJavaScript("${escapeCString injectedJS}");
browser->connect(
browser, &QWebEngineView::titleChanged, [=](const QString &title) {
sock->write(title.toUtf8());
sock->flush();
sock->waitForBytesWritten();
sock->close();
server->close();
app->quit();
}
);
});
return app->exec();
}
'';
in runCommandCC "get-captcha" {
nativeBuildInputs = [ pkgconfig ];
buildInputs = [ qt5.qtbase qt5.qtwebengine ];
} ''
g++ $(pkg-config --libs --cflags Qt5WebEngineWidgets Qt5WebEngine) \
-Wall -std=c++11 -o "$out" ${application}
'';
humbleAPI = pythonPackages.buildPythonPackage rec {
name = "humblebundle-${version}";
version = "0.1.1";
src = fetchFromGitHub {
owner = "saik0";
repo = "humblebundle-python";
rev = version;
sha256 = "1kcg42nh7sbjabim1pbqx14468pypznjy7fx2bv7dicy0sqd9b8j";
};
postPatch = ''
sed -i -e '/^LOGIN_URL *=/s,/login,/processlogin,' humblebundle/client.py
'';
propagatedBuildInputs = [ pythonPackages.requests ];
};
pyStr = str: "'${stdenv.lib.escape ["'" "\\"] str}'";
getDownloadURL = writeText "gethburl.py" ''
import socket, sys, time, humblebundle
def get_products(client):
gamekeys = client.get_gamekeys()
for gamekey in gamekeys:
order = hb.get_order(gamekey)
if order.subproducts is None:
continue
for subproduct in order.subproducts:
prodname = subproduct.human_name.encode('ascii', 'replace')
downloads = [(download.machine_name, download.download_struct)
for download in subproduct.downloads]
yield ((subproduct.machine_name, prodname), downloads)
def find_download(downloads):
for machine_name, dstruct in sum(downloads.values(), []):
if machine_name == ${pyStr machineName}:
for ds in dstruct:
if ds.name == ${pyStr downloadName}:
return ds
print >>sys.stderr, \
${pyStr "Unable to find ${downloadName} for ${machineName}!"}
print >>sys.stderr, 'Available download types:'
for ds in dstruct:
print >>sys.stderr, " " + ds.name
raise SystemExit(1)
def login_with_captcha(hb):
print >>sys.stderr, "Solving a captcha is required to log in."
print >>sys.stderr, "Please run " ${pyStr (toString getCaptcha)} " now."
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print >>sys.stderr, "Waiting for connection",
i = 0
while sock.connect_ex(("127.0.0.1", 18123)) != 0:
time.sleep(0.1)
if i % 10 == 0:
sys.stderr.write('.')
sys.stderr.flush()
i += 1
print >>sys.stderr, " connected."
print >>sys.stderr, "Waiting for captcha to be solved..."
response = sock.recv(4096)
sock.close()
print >>sys.stderr, "Captcha solved correctly, logging in."
hb.login(${pyStr email}, ${pyStr password}, recaptcha_response=response)
hb = humblebundle.HumbleApi()
try:
hb.login(${pyStr email}, ${pyStr password})
except humblebundle.exceptions.HumbleCaptchaException:
login_with_captcha(hb)
products = dict(get_products(hb))
dstruct = find_download(products)
if dstruct is None:
print >>sys.stderr, ${pyStr "Cannot find download for ${machineName}!"}
print >>sys.stderr, 'Available machine names:'
for name, dstructs in sorted(products.items(), key=lambda x: x[0]):
print >>sys.stderr, " * " + name[1]
print >>sys.stderr, " " + ', '.join(map(lambda x: x[0], dstructs))
raise SystemExit(1)
elif dstruct.md5 != ${pyStr md5}:
print >>sys.stderr, \
${pyStr "MD5 for ${machineName} is not ${md5} but "} \
+ dstruct.md5 + '.'
raise SystemExit(1)
else:
print dstruct.url.web
'';
in stdenv.mkDerivation {
name = if name != null then name else "${machineName}.${suffix}";
outputHashAlgo = "md5";
outputHash = md5;
buildInputs = [ python humbleAPI ];
buildCommand = ''
url="$(python "${getDownloadURL}")"
header "downloading $name from $url"
"${curl.bin or curl}/bin/curl" --cacert "${cafile}" --fail \
--output "$out" "$url"
stopNest
'';
}
|
