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uBMS_Web.py
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import socket
import re
import machine
import uBMS_WiFi
import config
def AP_start():
uBMS_WiFi.sta.active(False)
print("STA mode disactivated")
uBMS_WiFi.ap.active(True)
print("AP mode activated")
uBMS_WebPage()
def web_page():
html = """<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>uBMS Web Server</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f7f7f7;
margin: 0;
padding: 20px 0;
display: flex;
justify-content: center;
align-items: center;
min-height: 100vh;
box-sizing: border-box;
}
.container {
background-color: #fff;
padding: 20px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
max-width: 500px;
width: 100%;
}
h1 {
text-align: center;
color: #333;
}
.form-control {
margin-bottom: 15px;
}
.form-control label {
display: block;
margin-bottom: 5px;
color: #555;
}
.form-control input {
width: calc(100% - 22px);
padding: 10px;
border: 1px solid #ddd;
border-radius: 4px;
box-sizing: border-box;
}
.form-control input[type="number"] {
-moz-appearance: textfield;
}
.form-control input::-webkit-outer-spin-button,
.form-control input::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
.button {
background-color: #4CAF50;
color: white;
padding: 10px 20px;
text-align: center;
border: none;
border-radius: 4px;
cursor: pointer;
font-size: 16px;
}
.button:hover {
background-color: #45a049;
}
.button2 {
background-color: red;
}
.button2:hover {
background-color: darkred;
}
</style>
</head>
<body>
<div class="container">
<h1>uBMS Web Server</h1>
<div class="form">
<form action="/configure" method="POST" autocomplete="off" autocapitalize="none">
<div class="form-control">
<label for="ssid">SSID:</label>
<input type="text" id="ssid" name="ssid" value=\"""" + config.ssid + """\">
</div>
<div class="form-control">
<label for="password">Password:</label>
<input type="text" id="password" name="password" value=\"""" + config.password + """\">
</div>
<div class="form-control">
<label for="MINIMUM_SALE_PRICE">Minimum Sale Price [PLN]:</label>
<input type="number" id="MINIMUM_SALE_PRICE" name="MINIMUM_SALE_PRICE" step="0.01" value=\"""" + str(config.MINIMUM_SALE_PRICE) + """\">
</div>
<div class="form-control">
<button class="button">Save</button>
</div>
</form>
</div>
</div>
</body>
</html>"""
return html
import re
def save_variables(ssid, password, minimum_sale_price):
print(f"Attempting to save config")
config_file = "config.py"
# Read the current contents of the config file
try:
with open(config_file, "r") as file:
lines = file.readlines()
except OSError:
lines = []
# Create a dictionary of new values to update in the config
new_values = {
'ssid': f'"{ssid}"',
'password': f'"{password}"',
"MINIMUM_SALE_PRICE": minimum_sale_price,
}
# Update the existing lines or add them if they don't exist
for key, value in new_values.items():
pattern = re.compile(f"^{key}\s*=\s*.*$")
updated = False
for i, line in enumerate(lines):
if pattern.match(line):
lines[i] = f"{key} = {value}\n"
updated = True
break
if not updated:
lines.append(f"{key} = {value}\n")
# Write the updated contents back to the config file
try:
with open(config_file, "w") as file:
for line in lines:
file.write(line)
print("Successfully saved config to config.py")
machine.reset()
except OSError as e:
print(f"Failed to save config: {e}")
def url_decode(encoded_str):
decoded_str = encoded_str.replace('+', ' ')
# Dictionary of URL encoded characters and their corresponding decoded values
replacements = {
'%20': ' ',
'%21': '!',
'%22': '"',
'%23': '#',
'%24': '$',
'%25': '%',
'%26': '&',
'%27': "'",
'%28': '(',
'%29': ')',
'%2A': '*',
'%2B': '+',
'%2C': ',',
'%2D': '-',
'%2E': '.',
'%2F': '/',
'%3A': ':',
'%3B': ';',
'%3C': '<',
'%3D': '=',
'%3E': '>',
'%3F': '?',
'%40': '@',
'%5B': '[',
'%5C': '\\',
'%5D': ']',
'%5E': '^',
'%5F': '_',
'%60': '`',
'%7B': '{',
'%7C': '|',
'%7D': '}',
'%7E': '~'
}
for key, value in replacements.items():
decoded_str = decoded_str.replace(key, value)
return decoded_str
def parse_post_data(data):
params = {}
for pair in data.split('&'):
key, value = pair.split('=')
key = url_decode(key)
value = url_decode(value)
params[key] = value
return params
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('', 80))
s.listen(5)
def uBMS_WebPage():
while True:
conn, addr = s.accept()
print('Got a connection from %s' % str(addr))
request = conn.recv(2048)
print(request)
request_str = request.decode('utf-8')
print('Content = %s' % request_str)
if 'POST /configure' in request_str:
parts = request_str.split('\r\n\r\n')
print(f"Request parts: {parts}")
if len(parts) > 1:
post_data = parts[1]
print(f"Post data: {post_data}")
decoded_params = parse_post_data(post_data)
ssid = decoded_params.get('ssid', '')
password = decoded_params.get('password', '')
minimum_sale_price = decoded_params.get('MINIMUM_SALE_PRICE', '')
print(f"Extracted SSID: {ssid}, Password: {password}, Lower_threshold: {minimum_sale_price}")
ssid = url_decode(ssid)
password = url_decode(password)
print(f"Decoded SSID: {ssid}, Password: {password}, Lower threshold: {minimum_sale_price}")
save_variables(ssid, password, minimum_sale_price)
response = web_page()
conn.send('HTTP/1.1 200 OK\n'.encode('utf-8'))
conn.send('Content-Type: text/html\n'.encode('utf-8'))
conn.send('Connection: close\n\n'.encode('utf-8'))
conn.sendall(response.encode('utf-8'))
conn.close()