Skvělé, už jsem to rozběhal. Díky za pomoc. VL
#!/usr/bin/python2.4
import cherrypy
class Login:
def check(cls, fn):
def _check(self, *args, **kwargs):
if cherrypy.session.has_key('userid'):
# User is logged in; allow access
return fn(self, *args, **kwargs)
else:
# User isn't logged in yet.
# See if the user just tried to log in
try:
submit = kwargs['login']
email = kwargs['loginEmail']
password = kwargs['loginPassword']
except KeyError:
# No, this wasn't a login attempt. Send the user to
# the login "page".
return self.loginPage(cherrypy.url())
# Now look up the user id by the email and password
userid = self.getUserId(email, password)
if userid is None:
# Bad login attempt
return self.loginPage(cherrypy.url(), 'Invalid email
address or password.')
# User is now logged in, so retain the userid and show the
content
cherrypy.session['userid'] = userid
return fn(self, *args, **kwargs)
return _check
check = classmethod(check)
def getUserId(self, email, password):
'''Simple function to look up a user id from email and password.
Naturally, this would be stored in a database rather than
hardcoded, and the password would be stored in a hashed format
rather than in cleartext.
Returns the userid on success, or None on failure.
'''
accounts = {('[EMAIL PROTECTED]', 'foo'): 'vlada'}
return accounts.get((email,password), None)
def loginPage(self, targetPage, message=None):
'''Return a login "pagelet" that replaces the regular content if
the user is not logged in.'''
result = []
result.append('<h1>Sitename Login</h1>')
if message is not None:
result.append('<p>%s</p>' % message)
result.append('<form action=%s method=post>' % targetPage)
result.append('<p>Email Address: <input type=text
name="loginEmail"></p>')
result.append('<p>Password: <input type=password
name="loginPassword"></p>')
result.append('<p><input type="submit" name="login" value="Log
In"></p>')
result.append('</form>')
return '\n'.join(result)
def logOut(self):
'''Log Out.'''
del cherrypy.session['userid']
return 'You are no more logged in' + self.index()
logOut.exposed = True
class Page(Login):
def index(self):
return '''<h1>SiteName</h1>
<h2>Home Page</h2>
<p><a href="public">Public Page</a></p>
<p><a href="private">Private Page</a> <i>(registered users
only)</i></p>
'''
index.exposed = True
def public(self):
return '''<h1>SiteName</h1>
<h2>Public Page</h2>
<p><a href="/">Go back home</a></p>'''
public.exposed = True
def private(self, *args, **kwargs):
return '''<h1>SiteName</h1>
<h2>Private Page</h2>
<p><a href="logOut">Log Out</a></p>
<p><a href="/">Go back home</a></p>'''
private = Login.check(private)
private.exposed = True
root = Page()
cherrypy.tree.mount(root, '/')
if __name__ == "__main__":
import os.path
cherrypy.config.update(os.path.join(os.path.dirname(__file__),
'check-1.conf'))
cherrypy.server.quickstart()
cherrypy.engine.start()
check-1.conf
Description: Binary data
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