this is a library that can take the secret link and passphrase as inputs and return the viewable secret as a raw string from ess.sessionm.com

ess-sessionm.py

import urllib.request
import urllib.parse
import json
import html


class EssRequestFailureError(Exception):
    pass

class EssParseFailureError(Exception):
    pass

class EssSecretAlreadyViewedError(Exception):
    pass

def extract_between(text):
    start = text.find("<code>") + 1
    end = text.find("</code>", start)
    return text[start+5:end]

def get_secret(passphrase, secret_id):
    url = f"https://ess.sessionm.com/secret/{secret_id}"

    # Encode form data as application/x-www-form-urlencoded
    data = urllib.parse.urlencode({
        "passphrase": passphrase
    }).encode("utf-8")

    req = urllib.request.Request(
        url,
        data=data,
        headers={"Content-Type": "application/x-www-form-urlencoded"},
        method="POST"
    )

    with urllib.request.urlopen(req) as response:
        resp_data = response.read().decode("utf-8")

        # Try to parse as JSON, otherwise return raw text
        try:
            return json.loads(resp_data)
        except json.JSONDecodeError:
            return resp_data

def parse_text(input_text):
    try:
        url, passphrase, *_=input_text.strip().split("\n")
    except ValueError:
        raise EssParseFailureError
    url=url.strip()
    passphrase=passphrase.strip()
    if not (
        url.startswith('https://ess.sessionm.com/secret/')
        and passphrase.startswith('passphrase: ')
    ):
        raise EssParseFailureError
    return url[32:], passphrase[12:]

def ess_process_text(input_text):
    url, passphrase = parse_text(input_text)
    try:
        html_response = get_secret(passphrase=passphrase,secret_id=url)
    except Exception:
        raise EssRequestFailureError
    x_secret = extract_between(html_response)
    if x_secret.__contains__('<h1>Secret has either already been viewed<br />or your passphrase is incorrect.</h1>'):
        raise EssSecretAlreadyViewedError
    return html.unescape(x_secret)

    





if __name__=="__main__":
    print(ess_process_text("""https://ess.sessionm.com/secret/ABCDEFGHIJKLMNOPQRSTUVWXYZ
                 passphrase: ABCDEFGHIJKLMNOPQRSTUVWXYZ"""))