how to use python scripts to simulate the login?

624867243@qq.com · 03-02-2016, 02:26 AM

how to use python scripts to simulate the login? below is my php website code,
login.html:

Code:

<html> 
<body> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<form name="login" action="login1.php" method="POST">  
name<input type="text" name="name"/> 
<p>password<input type="password" name="password"/> </p> 
<input name="log" type="submit" value="login"> 
</form> 
</body> 
</html>

login1.php:

Code:

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<?php 


$mysqli=mysqli_connect("localhost","root","root","logindb");
$name=$_POST["name"]; 
$passowrd=$_POST["password"]; 
//print_r($_COOKIE);

if ($name && $passowrd){ 
$sql = "SELECT * FROM test1 WHERE name='$name' and password='$passowrd'"; 
$res = mysqli_query($mysqli,$sql); 
$rows=mysqli_num_rows($res); 
if($rows){ 
//header("location:login1.php"); 
//exit; 
echo "successful";


}
 else{
echo "failed，please check username and password！";
}
mysqli_free_result($res);
mysqli_close($mysqli);
}
?>

I can visit http://127.0.0.1/gongji/login/login.html to the website code.

i want to simulate login and it can reponse me success or failure? but

i try to use below python scripts,but it did not response success or fialure to me.how to modify it?

Code:

#coding:utf-8
import urllib
import urllib2

aa = {'user':'knight','pasword':'knight'}
cc = urllib.urlencode(aa)
#print "this is %s" %(cc)

url = 'http://127.0.0.1/gongji/login/login.html' 
#print url 
print urllib2.urlopen(url,cc).read()

HMW · 03-02-2016, 10:41 AM

Hi!

Not really sure what you are trying to do here. First of all, you are not sending any POST requests with your Python script.

I suggest that you A) Use Python 3 in conjunction with requests, and B) Check this link for further information:
http://stackoverflow.com/questions/1...d-post-request

Furthermore, here's an example of how I would read a web page in Python 3 with urllib:

Code:

>>> import urllib.request
>>> data = urllib.request.urlopen("http://google.com")
>>> raw_Html = wp.read()
>>> print(raw_Html)

But, seriously, don't. Use requests instead, you will thank me later...

Best regards,
HMW

624867243@qq.com · 03-02-2016, 07:22 PM

Quote:

Originally Posted by HMW

Hi!

Not really sure what you are trying to do here. First of all, you are not sending any POST requests with your Python script.

I suggest that you A) Use Python 3 in conjunction with requests, and B) Check this link for further information:
http://stackoverflow.com/questions/1...d-post-request

Furthermore, here's an example of how I would read a web page in Python 3 with urllib:

Code:

>>> import urllib.request
>>> data = urllib.request.urlopen("http://google.com")
>>> raw_Html = wp.read()
>>> print(raw_Html)

But, seriously, don't. Use requests instead, you will thank me later...

Best regards,
HMW

i want to the website can respons me login access or login failure。
finaly i want to check the login is unnormal or normal.
i try to modify it this

but no matter the username and password is right or wrong) it print sucess.

Code:

#coding:utf-8
import urllib
url = 'http://127.0.0.1/gongji/login/login.html'


data = {'name':'knight',
        'password':'knight'
        }


post_data = urllib.urlencode(data)


try :
    f  = urllib.urlopen(url, post_data)
except:
    print "login success"
else:
    print "failure"

HMW · 03-03-2016, 11:38 AM

Quote:

Originally Posted by 624867243@qq.com

i try to modify it this

but no matter the username and password is right or wrong) it print sucess.

Code:

#coding:utf-8
import urllib
url = 'http://127.0.0.1/gongji/login/login.html'


data = {'name':'knight',
        'password':'knight'
        }


post_data = urllib.urlencode(data)


try :
    f  = urllib.urlopen(url, post_data)
except:
    print "login success"
else:
    print "failure"

That is because your logic behind Python's exceptions is plain wrong.
Read more here:
http://www.python-course.eu/python3_...n_handling.php

Basically, your code ALWAYS throws an exception, therefore you will ALWAYS get
login success
as a result.

If you need to use Python for this, you're gonna have to learn the language. There is (in my view) an excellent course (free) here:
http://www.pythonlearn.com/html-009/

Best regards,
HMW