Tasks
Python Client & Server
Server
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
port = 12345
host = "127.0.0.1"
s.bind ((host,port))
s.listen(5)
print "Listening..."
while True:
conn, addr = s.accept()
print 'Connection from:', addr
file_name = conn.recv(1024)
file_name = file_name.strip("\n")
print "File name:", file_name
data = conn.recv(2048)
print "Data Received. "
file_tmp = open(file_name, "w")
file_tmp.write(data)
file_tmp.close()
print "File created!"
conn.closeClient
import socket, sys
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
port = 12345
host = "127.0.0.1"
s.connect((host,port))
file_name = sys.argv[1]
print "File name:", file_name
file_content = sys.argv[2]
s.send(file_name)
print "Send filename."
f = open(file_content, "r")
data = f.read()
s.send(data)
print "Send data."
f.close()
s.close()
print 'uploaded!'Web Application
HTML
<html>
<head>
<title> Simple Login Page </title>
</head>
<body>
<h1> HTML Forms </h1>
<form method="post" action="login.php">
Username: <input type="text" name="username"> <br>
Password: <input type="password" name="password"> <br><br>
<input type="submit" value="Login">
</form>
<p> If you click the "Login" button, the form-data will be sent to a page called "login.php" </p>
</body>
</html>PHP
<?php
$username = $_POST["username"];
$password = $_POST["password"];
$credentials = array("user1:passwd1", "user2:passwd2", "user3:passwd3");
foreach ($credentials as $credential) {
$cred_user = explode(":", $credential)[0];
$cred_pass = explode(":", $credential)[1];
if ($username == $cred_user && $password == $cred_pass) {
echo "You have logged in successfully";
exit();
}
}
echo "Login failed, please try again.";
?>Last updated