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flask_cloudflared.py
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flask_cloudflared.py
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import atexit
import requests
import subprocess
import tarfile
import tempfile
import shutil
import os
import platform
import time
import re
from random import randint
from threading import Timer
from pathlib import Path
def _get_command():
system = platform.system()
machine = platform.machine()
if system == "Windows":
if machine == "AMD64":
command = "cloudflared-windows-amd64.exe"
elif machine == "x86":
command = "cloudflared-windows-386.exe"
else:
raise Exception("{machine} is not supported on Windows".format(machine=machine))
elif system == "Linux":
if machine == "x86_64":
command = "cloudflared-linux-amd64"
elif machine == "i386":
command = "cloudflared-linux-386"
elif machine == "arm":
command = "cloudflared-linux-arm"
elif machine == "arm64":
command = "cloudflared-linux-arm64"
elif machine == "aarch":
command = "cloudflared-linux-arm64"
else:
raise Exception("{machine} is not supported on Linux".format(machine=machine))
elif system == "Darwin":
if machine == "x86_64":
command = "cloudflared"
elif machine == "arm64":
print("* On a MacOS system with an Apple Silicon chip, Rosetta 2 needs to be installed, refer to this guide to learn more: https://support.apple.com/en-us/HT211861")
command = "cloudflared"
else:
raise Exception("{machine} is not supported on Darwin".format(machine=machine))
else:
raise Exception("{system} is not supported".format(system=system))
return command
# Needed for the darwin package
def _extract_tarball(tar_path, filename):
tar = tarfile.open(tar_path+'/'+filename, 'r')
for item in tar:
tar.extract(item, tar_path)
if item.name.find(".tgz") != -1 or item.name.find(".tar") != -1:
extract(item.name, "./" + item.name[:item.name.rfind('/')])
def _run_cloudflared(port, metrics_port):
system = platform.system()
machine = platform.machine()
command = _get_command()
cloudflared_path = str(Path(tempfile.gettempdir()))
# Untar on Darwin, as there is an exclusive binary.
if (system == "Darwin"):
_download_cloudflared(cloudflared_path, "cloudflared-darwin-amd64.tgz")
_extract_tarball(cloudflared_path, "cloudflared-darwin-amd64.tgz")
executable = str(Path(cloudflared_path, command))
else:
_download_cloudflared(cloudflared_path, command)
executable = str(Path(cloudflared_path, command))
os.chmod(executable, 0o777)
if (system == "Darwin" and machine == "arm64"):
cloudflared = subprocess.Popen(['arch', '-x86_64', executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
cloudflared = subprocess.Popen([executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
atexit.register(cloudflared.terminate)
localhost_url = f"http://127.0.0.1:{metrics_port}/metrics"
attempts = 0
while attempts < 10:
try:
tunnel_url = requests.get(localhost_url).text
tunnel_url = (re.search("(?P<url>https?:\/\/[^\s]+.trycloudflare.com)", tunnel_url).group("url"))
break
except:
attempts += 1
time.sleep(3)
continue
if attempts == 10:
raise Exception(f"Can't connect to Cloudflare Edge")
return tunnel_url
def _download_cloudflared(cloudflared_path, command):
system = platform.system()
machine = platform.machine()
if Path(cloudflared_path, command).exists():
if (system == "Darwin" and machine == "arm64"):
update_cloudflared = subprocess.Popen(['arch', '-x86_64', (cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
elif system == "Darwin" and machine == "x86_64":
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+command), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
return
if system == "Windows":
if machine == "AMD64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-amd64.exe"
elif machine == "x86":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-386.exe"
elif system == "Linux":
if machine == "x86_64":
import atexit
import requests
import subprocess
import tarfile
import tempfile
import shutil
import os
import platform
import time
import re
from random import randint
from threading import Timer
from pathlib import Path
def _get_command():
system = platform.system()
machine = platform.machine()
if system == "Windows":
if machine == "AMD64":
command = "cloudflared-windows-amd64.exe"
elif machine == "x86":
command = "cloudflared-windows-386.exe"
else:
raise Exception("{machine} is not supported on Windows".format(machine=machine))
elif system == "Linux":
if machine == "x86_64":
command = "cloudflared-linux-amd64"
elif machine == "i386":
command = "cloudflared-linux-386"
elif machine == "arm":
command = "cloudflared-linux-arm"
elif machine == "arm64":
command = "cloudflared-linux-arm64"
elif machine == "aarch":
command = "cloudflared-linux-arm64"
else:
raise Exception("{machine} is not supported on Linux".format(machine=machine))
elif system == "Darwin":
if machine == "x86_64":
command = "cloudflared"
elif machine == "arm64":
print("* On a MacOS system with an Apple Silicon chip, Rosetta 2 needs to be installed, refer to this guide to learn more: https://support.apple.com/en-us/HT211861")
command = "cloudflared"
else:
raise Exception("{machine} is not supported on Darwin".format(machine=machine))
else:
raise Exception("{system} is not supported".format(system=system))
return command
# Needed for the darwin package
def _extract_tarball(tar_path, filename):
tar = tarfile.open(tar_path+'/'+filename, 'r')
for item in tar:
tar.extract(item, tar_path)
if item.name.find(".tgz") != -1 or item.name.find(".tar") != -1:
extract(item.name, "./" + item.name[:item.name.rfind('/')])
def _run_cloudflared(port, metrics_port):
system = platform.system()
machine = platform.machine()
command = _get_command()
cloudflared_path = str(Path(tempfile.gettempdir()))
# Untar on Darwin, as there is an exclusive binary.
if (system == "Darwin"):
_download_cloudflared(cloudflared_path, "cloudflared-darwin-amd64.tgz")
_extract_tarball(cloudflared_path, "cloudflared-darwin-amd64.tgz")
executable = str(Path(cloudflared_path, command))
else:
_download_cloudflared(cloudflared_path, command)
executable = str(Path(cloudflared_path, command))
os.chmod(executable, 0o777)
if (system == "Darwin" and machine == "arm64"):
cloudflared = subprocess.Popen(['arch', '-x86_64', executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
cloudflared = subprocess.Popen([executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
atexit.register(cloudflared.terminate)
localhost_url = f"http://127.0.0.1:{metrics_port}/metrics"
attempts = 0
while attempts < 10:
try:
tunnel_url = requests.get(localhost_url).text
tunnel_url = (re.search("(?P<url>https?:\/\/[^\s]+.trycloudflare.com)", tunnel_url).group("url"))
break
except:
attempts += 1
time.sleep(3)
continue
if attempts == 10:
raise Exception(f"Can't connect to Cloudflare Edge")
return tunnel_url
def _download_cloudflared(cloudflared_path, command):
system = platform.system()
machine = platform.machine()
if Path(cloudflared_path, command).exists():
if (system == "Darwin" and machine == "arm64"):
update_cloudflared = subprocess.Popen(['arch', '-x86_64', (cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
elif system == "Darwin" and machine == "x86_64":
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+command), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
return
if system == "Windows":
if machine == "AMD64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-amd64.exe"
elif machine == "x86":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-386.exe"
elif system == "Linux":
if machine == "x86_64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64"
elif machine == "i386":
import atexit
import requests
import subprocess
import tarfile
import tempfile
import shutil
import os
import platform
import time
import re
from random import randint
from threading import Timer
from pathlib import Path
def _get_command():
system = platform.system()
machine = platform.machine()
if system == "Windows":
if machine == "AMD64":
command = "cloudflared-windows-amd64.exe"
elif machine == "x86":
command = "cloudflared-windows-386.exe"
else:
raise Exception("{machine} is not supported on Windows".format(machine=machine))
elif system == "Linux":
if machine == "x86_64":
command = "cloudflared-linux-amd64"
elif machine == "i386":
command = "cloudflared-linux-386"
elif machine == "arm":
command = "cloudflared-linux-arm"
elif machine == "arm64":
command = "cloudflared-linux-arm64"
elif machine == "aarch":
command = "cloudflared-linux-arm64"
else:
raise Exception("{machine} is not supported on Linux".format(machine=machine))
elif system == "Darwin":
if machine == "x86_64":
command = "cloudflared"
elif machine == "arm64":
print("* On a MacOS system with an Apple Silicon chip, Rosetta 2 needs to be installed, refer to this guide to learn more: https://support.apple.com/en-us/HT211861")
command = "cloudflared"
else:
raise Exception("{machine} is not supported on Darwin".format(machine=machine))
else:
raise Exception("{system} is not supported".format(system=system))
return command
# Needed for the darwin package
def _extract_tarball(tar_path, filename):
tar = tarfile.open(tar_path+'/'+filename, 'r')
for item in tar:
tar.extract(item, tar_path)
if item.name.find(".tgz") != -1 or item.name.find(".tar") != -1:
extract(item.name, "./" + item.name[:item.name.rfind('/')])
def _run_cloudflared(port, metrics_port):
system = platform.system()
machine = platform.machine()
command = _get_command()
cloudflared_path = str(Path(tempfile.gettempdir()))
# Untar on Darwin, as there is an exclusive binary.
if (system == "Darwin"):
_download_cloudflared(cloudflared_path, "cloudflared-darwin-amd64.tgz")
_extract_tarball(cloudflared_path, "cloudflared-darwin-amd64.tgz")
executable = str(Path(cloudflared_path, command))
else:
_download_cloudflared(cloudflared_path, command)
executable = str(Path(cloudflared_path, command))
os.chmod(executable, 0o777)
if (system == "Darwin" and machine == "arm64"):
cloudflared = subprocess.Popen(['arch', '-x86_64', executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
cloudflared = subprocess.Popen([executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
atexit.register(cloudflared.terminate)
localhost_url = f"http://127.0.0.1:{metrics_port}/metrics"
attempts = 0
while attempts < 10:
try:
tunnel_url = requests.get(localhost_url).text
tunnel_url = (re.search("(?P<url>https?:\/\/[^\s]+.trycloudflare.com)", tunnel_url).group("url"))
break
except:
attempts += 1
time.sleep(3)
continue
if attempts == 10:
raise Exception(f"Can't connect to Cloudflare Edge")
return tunnel_url
def _download_cloudflared(cloudflared_path, command):
system = platform.system()
machine = platform.machine()
if Path(cloudflared_path, command).exists():
if (system == "Darwin" and machine == "arm64"):
update_cloudflared = subprocess.Popen(['arch', '-x86_64', (cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
elif system == "Darwin" and machine == "x86_64":
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+command), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
return
if system == "Windows":
if machine == "AMD64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-amd64.exe"
elif machine == "x86":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-386.exe"
elif system == "Linux":
if machine == "x86_64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64"
elif machine == "i386":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-386"
elif machine == "arm":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm"
elif machine == "arm64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm64"
elif machine == "aarch64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm64"
elif system == "Darwin":
if machine == "x86_64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-darwin-amd64.tgz"
if machine == "arm64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-darwin-amd64.tgz"
_download_file(url)
def _download_file(url):
local_filename = url.split('/')[-1]
r = requests.get(url, stream=True)
download_path = str(Path(tempfile.gettempdir(), local_filename))
with open(download_path, 'wb') as f:
shutil.copyfileobj(r.raw, f)
return download_path
def start_cloudflared(app, port, metrics_port):
cloudflared_address = _run_cloudflared(port, metrics_port)
print(f" * Running on {cloudflared_address}")
print(f" * Traffic stats available on http://127.0.0.1:{metrics_port}/metrics")
app.cloudflared_address = cloudflared_address
app.metrics_address = f"http://127.0.0.1:{metrics_port}/metrics"
def run_with_cloudflared(app):
old_run = app.run
def new_run(*args, **kwargs):
# Webserver port is 5000 by default.
port = kwargs.get('port', 5000)
# If metrics_port is not specified, we will use a random port between 8100 and 9000.
metrics_port = kwargs.get('metrics_port', randint(8100, 9000))
# Removing the port and metrics_port from kwargs to avoid passing them to the Flask app.
kwargs.pop('metrics_port', None)
# Starting the Cloudflared tunnel in a separate thread.
thread = Timer(1, start_cloudflared, args=(app, port, metrics_port,))
thread.setDaemon(True)
thread.start()
# Running the Flask app.
old_run(*args, **kwargs)
app.run = new_run
executable = str(Path(cloudflared_path, command))
else:
_download_cloudflared(cloudflared_path, command)
executable = str(Path(cloudflared_path, command))
os.chmod(executable, 0o777)
if (system == "Darwin" and machine == "arm64"):
cloudflared = subprocess.Popen(['arch', '-x86_64', executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
cloudflared = subprocess.Popen([executable, 'tunnel', '--url', 'http://127.0.0.1:' + str(port), '--metrics', '127.0.0.1:' + str(metrics_port)], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
atexit.register(cloudflared.terminate)
localhost_url = f"http://127.0.0.1:{metrics_port}/metrics"
attempts = 0
while attempts < 10:
try:
tunnel_url = requests.get(localhost_url).text
tunnel_url = (re.search("(?P<url>https?:\/\/[^\s]+.trycloudflare.com)", tunnel_url).group("url"))
break
except:
attempts += 1
time.sleep(3)
continue
if attempts == 10:
raise Exception(f"Can't connect to Cloudflare Edge")
return tunnel_url
def _download_cloudflared(cloudflared_path, command):
system = platform.system()
machine = platform.machine()
if Path(cloudflared_path, command).exists():
if (system == "Darwin" and machine == "arm64"):
update_cloudflared = subprocess.Popen(['arch', '-x86_64', (cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
elif system == "Darwin" and machine == "x86_64":
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+'cloudflared'), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
else:
update_cloudflared = subprocess.Popen([(cloudflared_path+'/'+command), 'update'], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
return
if system == "Windows":
if machine == "AMD64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-amd64.exe"
elif machine == "x86":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-windows-386.exe"
elif system == "Linux":
if machine == "x86_64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-amd64"
elif machine == "i386":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-386"
elif machine == "arm":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm"
elif machine == "arm64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm64"
elif machine == "aarch64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-linux-arm64"
elif system == "Darwin":
if machine == "x86_64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-darwin-amd64.tgz"
if machine == "arm64":
url = "https://github.com/cloudflare/cloudflared/releases/latest/download/cloudflared-darwin-amd64.tgz"
_download_file(url)
def _download_file(url):
local_filename = url.split('/')[-1]
r = requests.get(url, stream=True)
download_path = str(Path(tempfile.gettempdir(), local_filename))
with open(download_path, 'wb') as f:
shutil.copyfileobj(r.raw, f)
return download_path
def start_cloudflared(port, metrics_port):
cloudflared_address = _run_cloudflared(port, metrics_port)
print(f" * Running on {cloudflared_address}")
print(f" * Traffic stats available on http://127.0.0.1:{metrics_port}/metrics")
def run_with_cloudflared(app):
old_run = app.run
def new_run(*args, **kwargs):
# Webserver port is 5000 by default.
port = kwargs.get('port', 5000)
# If metrics_port is not specified, we will use a random port between 8100 and 9000.
metrics_port = kwargs.get('metrics_port', randint(8100, 9000))
# Removing the port and metrics_port from kwargs to avoid passing them to the Flask app.
kwargs.pop('metrics_port', None)
# Starting the Cloudflared tunnel in a separate thread.
thread = Timer(2, start_cloudflared, args=(port, metrics_port,))
thread.setDaemon(True)
thread.start()
# Running the Flask app.
old_run(*args, **kwargs)
app.run = new_run