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updated docstring

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This commit is contained in:
emdee 2022-11-16 15:30:13 +00:00
parent 28d1d34dbd
commit 6cf32758c1
3 changed files with 3 additions and 409 deletions
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73
exclude_badExits.py
View file

@ -106,13 +106,6 @@ try:
except:
ub_ctx = RR_TYPE_TXT = RR_CLASS_IN = None
try:
if 'COLOREDLOGS_LEVEL_STYLES' not in os.environ:
os.environ['COLOREDLOGS_LEVEL_STYLES'] = 'spam=22;debug=28;verbose=34;notice=220;warning=202;success=118,bold;error=124;critical=background=red'
# https://pypi.org/project/coloredlogs/
import coloredlogs
except ImportError as e:
coloredlogs = False
global LOG
import logging
@ -120,7 +113,7 @@ import warnings
warnings.filterwarnings('ignore')
LOG = logging.getLogger()
import requests
from support_phantompy import vsetup_logging
from trustor_poc import oDownloadUrlUrllib3 as oDownloadUrl
from trustor_poc import idns_validate, TrustorError
from support_onions import icheck_torrc, bAreWeConnected, lIntroductionPoints, zResolveDomain, vwait_for_controller, yKNOWN_NODNS
@ -383,67 +376,6 @@ def aParseContact(contact, fp):
a = yaml.safe_load(oFd)
return a
def vsetup_logging(log_level, logfile=''):
global LOG
add = True
# stem fucks up logging
from stem.util import log
logging.getLogger('stem').setLevel(30)
logging._defaultFormatter = logging.Formatter(datefmt='%m-%d %H:%M:%S')
logging._defaultFormatter.default_time_format = '%m-%d %H:%M:%S'
logging._defaultFormatter.default_msec_format = ''
kwargs = dict(level=log_level,
force=True,
format='%(levelname)s %(message)s')
if logfile:
add = logfile.startswith('+')
sub = logfile.startswith('-')
if add or sub:
logfile = logfile[1:]
kwargs['filename'] = logfile
if coloredlogs:
# https://pypi.org/project/coloredlogs/
aKw = dict(level=log_level,
logger=LOG,
stream=sys.stdout if add else None,
fmt='%(levelname)s %(message)s'
)
coloredlogs.install(**aKw)
if logfile:
oHandler = logging.FileHandler(logfile)
LOG.addHandler(oHandler)
LOG.info(f"CSetting log_level to {log_level!s}")
else:
logging.basicConfig(**kwargs)
if add and logfile:
oHandler = logging.StreamHandler(sys.stdout)
LOG.addHandler(oHandler)
LOG.info(f"SSetting log_level to {log_level!s}")
logging._levelToName = {
logging.CRITICAL: 'CRITICAL',
logging.ERROR: 'ERROR',
logging.WARNING: 'WARN',
logging.INFO: 'INFO',
logging.DEBUG: 'DEBUG',
logging.NOTSET: 'NOTSET',
}
logging._nameToLevel = {
'CRITICAL': logging.CRITICAL,
'FATAL': logging.FATAL,
'ERROR': logging.ERROR,
'WARN': logging.WARNING,
'WARNING': logging.WARNING,
'INFO': logging.INFO,
'DEBUG': logging.DEBUG,
'NOTSET': logging.NOTSET,
}
def oMainArgparser(_=None):
try:
@ -508,7 +440,8 @@ def oMainArgparser(_=None):
parser.add_argument('--white_services', type=str,
default='',
help="comma sep. list of onions to whitelist their introduction points - BROKEN")
parser.add_argument('--torrc_output', type=str, default='',
parser.add_argument('--torrc_output', type=str,
default=os.path.join(ETC_DIR, 'torrc.new'),
help="Write the torrc configuration to a file")
parser.add_argument('--proof_output', type=str, default=os.path.join(ETC_DIR, 'proof.yaml'),
help="Write the proof data of the included nodes to a YAML file")

79
lookupdns.py
View file

@ -1,79 +0,0 @@
#!/usr/local/bin/python3.sh
# -*-mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*
import sys
import os
import traceback
from phantompy import Render
global LOG
import logging
import warnings
warnings.filterwarnings('ignore')
LOG = logging.getLogger()
class LookFor(Render):
def __init__(self, url, outfile, jsfile=None):
self.uri = url
Render.__init__(self, url, outfile, jsfile)
def ilookfor(self, html):
import json
marker = '<pre style="word-wrap: break-word; white-space: pre-wrap;">'
if marker not in html: return ''
i = html.find(marker) + len(marker)
html = html[i:]
assert html[0] == '{', html
i = html.find('</pre')
html = html[:i]
assert html[-1] == '}', html
LOG.debug(f"Found {len(html)} json")
o = json.loads(html)
if "Answer" not in o.keys() or type(o["Answer"]) != list:
LOG.warn(f"FAIL {self.uri}")
return 1
for elt in o["Answer"]:
assert type(elt) == dict, elt
assert 'type' in elt, elt
if elt['type'] != 16: continue
assert 'data' in elt, elt
if elt['data'] == 'we-run-this-tor-relay':
LOG.info(f"OK {self.uri}")
return 0
LOG.warn(f"BAD {self.uri}")
return 2
def _html_callback(self, *args):
"""print(self, QPrinter, Callable[[bool], None])"""
if type(args[0]) is str:
self._save(args[0])
i = self.ilookfor(args[0])
self._exit(i)
def _save(self, html):
sfile = self.outfile.replace('.pdf','.out')
# CompleteHtmlSaveFormat SingleHtmlSaveFormat MimeHtmlSaveFormat
with open(sfile, 'wt') as ofd:
ofd.write(html)
LOG.debug(f"Saved {sfile}")
def _loadFinished(self, result):
LOG.debug("phantom.py: Loading finished!")
self.toHtml(self._html_callback)
def main():
if (len(sys.argv) < 3):
LOG.info("USAGE: lookupdns.py <url> <pdf-file> [<javascript-file>]")
else:
url = sys.argv[1]
outfile = sys.argv[2]
jsfile = sys.argv[3] if len(sys.argv) > 3 else None
r = LookFor(url, outfile, jsfile)
sys.exit(0)
if __name__ == "__main__":
main()

260
phantompy.py
View file

@ -1,260 +0,0 @@
#!/usr/local/bin/python3.sh
# -*-mode: python; indent-tabs-mode: nil; py-indent-offset: 4; coding: utf-8 -*-
# https://gist.github.com/michaelfranzl/91f0cc13c56120391b949f885643e974/raw/a0601515e7a575bc4c7d4d2a20973b29b6c6f2df/phantom.py
"""
# phantom.py
Simple but fully scriptable headless QtWebKit browser using PyQt5 in Python3,
specialized in executing external JavaScript and generating PDF files. A lean
replacement for other bulky headless browser frameworks.
## Usage
If you have a display attached:
./phantom.py <url> <pdf-file> [<javascript-file>]
If you don't have a display attached (i.e. on a remote server):
xvfb-run ./phantom.py <url> <pdf-file> [<javascript-file>]
Arguments:
<url> Can be a http(s) URL or a path to a local file
<pdf-file> Path and name of PDF file to generate
[<javascript-file>] (optional) Path and name of a JavaScript file to execute
## Features
* Generate a PDF screenshot of the web page after it is completely loaded.
* Optionally execute a local JavaScript file specified by the argument
<javascript-file> after the web page is completely loaded, and before
the PDF is generated.
* console.log's will be printed to stdout.
* Easily add new features by changing the source code of this script, without
compiling C++ code. For more advanced applications, consider attaching
PyQt objects/methods to WebKit's JavaScript space by using
`QWebFrame::addToJavaScriptWindowObject()`.
If you execute an external <javascript-file>, phantom.py has no way of knowing
when that script has finished doing its work. For this reason, the external
script should execute `console.log("__PHANTOM_PY_DONE__");` when done. This will
trigger the PDF generation, after which phantom.py will exit. If no
`__PHANTOM_PY_DONE__` string is seen on the console for 10 seconds, phantom.py
will exit without doing anything. This behavior could be implemented more
elegantly without console.log's but it is the simplest solution.
It is important to remember that since you're just running WebKit, you can use
everything that WebKit supports, including the usual JS client libraries, CSS,
CSS @media types, etc.
## Dependencies
* Python3
* PyQt5
* xvfb (optional for display-less machines)
Installation of dependencies in Debian Stretch is easy:
apt-get install xvfb python3-pyqt5 python3-pyqt5.qtwebkit
Finding the equivalent for other OSes is an exercise that I leave to you.
## Examples
Given the following file /tmp/test.html
<html>
<body>
<p>foo <span id="id1">foo</span> <span id="id2">foo</span></p>
</body>
<script>
document.getElementById('id1').innerHTML = "bar";
</script>
</html>
... and the following file /tmp/test.js:
document.getElementById('id2').innerHTML = "baz";
console.log("__PHANTOM_PY_DONE__");
... and running this script (without attached display) ...
xvfb-run python3 phantom.py /tmp/test.html /tmp/out.pdf /tmp/test.js
... you will get a PDF file /tmp/out.pdf with the contents "foo bar baz".
Note that the second occurrence of "foo" has been replaced by the web page's own
script, and the third occurrence of "foo" by the external JS file.
## License
Copyright 2017 Michael Karl Franzl
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""
import sys
import os
import traceback
import atexit
from PyQt5.QtCore import QUrl
from PyQt5.QtCore import QTimer
from PyQt5.QtWidgets import QApplication
from PyQt5.QtPrintSupport import QPrinter
from PyQt5.QtWebEngineWidgets import QWebEnginePage as QWebPage
global LOG
import logging
import warnings
warnings.filterwarnings('ignore')
LOG = logging.getLogger()
def prepare():
sfile = '/tmp/test.js'
if not os.path.exists(sfile):
with open(sfile, 'wt') as ofd:
ofd.write("""
document.getElementById('id2').innerHTML = "baz";
console.log("__PHANTOM_PY_DONE__");
""")
sys.stderr.write(f"wrote {sfile} ")
sfile = '/tmp/test.html'
if not os.path.exists(sfile):
with open(sfile, 'wt') as ofd:
ofd.write("""
<html>
<body>
<p>foo <span id="id1">foo</span> <span id="id2">foo</span></p>
</body>
<script>
document.getElementById('id1').innerHTML = "bar";
</script>
</html>
""")
sys.stderr.write(f"wrote {sfile} ")
sys.stderr.write("\n")
class Render(QWebPage):
def __init__(self, url, outfile, jsfile=None):
self.app = QApplication(sys.argv)
QWebPage.__init__(self)
self.jsfile = jsfile
self.outfile = outfile
qurl = QUrl.fromUserInput(url)
LOG.debug(f"phantom.py: URL= {qurl} OUTFILE={outfile} JSFILE= {jsfile)")
# The PDF generation only happens when the special string __PHANTOM_PY_DONE__
# is sent to console.log(). The following JS string will be executed by
# default, when no external JavaScript file is specified.
self.js_contents = "setTimeout(function() { console.log('__PHANTOM_PY_DONE__') }, 5000);";
if jsfile:
try:
f = open(self.jsfile)
self.js_contents = f.read()
f.close()
except:
LOG.error(traceback.format_exc())
self._exit(10)
self.loadFinished.connect(self._loadFinished)
self.load(qurl)
self.javaScriptConsoleMessage = self._onConsoleMessage
if False:
# Run for a maximum of 10 seconds
watchdog = QTimer()
watchdog.setSingleShot(True)
watchdog.timeout.connect(lambda: self._exit(9))
watchdog.start(10000)
self.app.exec_()
def _onConsoleMessage(self, *args):
if len(args) > 3:
level, txt, lineno, filename = args
else:
level = 1
txt, lineno, filename = args
LOG.debug(f"CONSOLE {lineno} {txt} {filename}")
if "__PHANTOM_PY_DONE__" in txt:
# If we get this magic string, it means that the external JS is done
self._print()
if "__PHANTOM_PY_EXIT__" in txt:
self._exit(0)
def _loadFinished(self, result):
LOG.debug(f"phantom.py: Evaluating JS from {self.jsfile}")
self.runJavaScript("document.documentElement.contentEditable=true")
self.runJavaScript(self.js_contents)
def _printer_callback(self, *args):
"""print(self, QPrinter, Callable[[bool], None])"""
# print(f"_printer_callback {self.outfile} {args}")
if args[0] is False:
i = 1
else:
i = 0
self._exit(i)
def _print(self):
printer = QPrinter()
printer.setPageMargins(10, 10, 10, 10, QPrinter.Millimeter)
printer.setPaperSize(QPrinter.A4)
printer.setCreator("phantom.py by Michael Karl Franzl")
printer.setOutputFormat(QPrinter.PdfFormat);
printer.setOutputFileName(self.outfile);
self.print(printer, self._printer_callback)
LOG.debug("phantom.py: Printed")
def _exit(self, val):
LOG.debug(f"phantom.py: Exiting with val {val}")
# Run for a maximum of 10 seconds
watchdog = QTimer()
watchdog.setSingleShot(True)
watchdog.timeout.connect(lambda: sys.exit(val))
watchdog.start(10000)
self.app.exit(val)
atexit._clear()
sys.exit(val)
def main():
if (len(sys.argv) < 3):
LOG.info("USAGE: ./phantom.py <url> <pdf-file> [<javascript-file>]")
else:
url = sys.argv[1]
outfile = sys.argv[2]
jsfile = sys.argv[3] if len(sys.argv) > 3 else None
r = Render(url, outfile, jsfile)
sys.exit(0)
if __name__ == "__main__":
main()