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handlers.py
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handlers.py
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#!/usr/bin/env python
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
# THIS FILE IS NOT USED ANYMORE #
# !!!!!!!!!!!!!!!!!!!!!!!!!!!!! #
import os
import webapp2
import jinja2
import json
import time
import utils
import mydb
import cgi
import logging
template_dir = os.path.join(os.path.dirname(__file__), 'templates')
jinja_env = jinja2.Environment(loader = jinja2.FileSystemLoader(template_dir), autoescape=False)
class Handler(webapp2.RequestHandler):
def write(self, *a, **kw):
self.response.out.write(*a, **kw)
def render_str(self, template, **params):
t = jinja_env.get_template(template)
return t.render(params)
def render(self, template, **kw):
self.write(self.render_str(template, **kw))
def signedin(self):
try:
user_id_cookie_val = self.request.cookies.get('user_id')
user_id_val = utils.check_secure_val(user_id_cookie_val)
print "user_id_val: %s" % user_id_val
if user_id_val:
uname = mydb.single_user_by_id(user_id_val)
if not (uname is None):
return uname, True
return
except:
return None, False
class SignupPage(Handler):
def render_signup(self, uname="", uname_err="", psswrd_err="", verify_err="", email="", email_err=""):
self.render("signup.html", uname=uname, uname_err=uname_err, psswrd_err=psswrd_err, verify_err=verify_err, email=email, email_err=email_err)
def get(self):
self.render_signup()
def post(self):
user_uname = self.request.get('username')
user_psswrd = self.request.get('password')
user_ver = self.request.get('verify')
user_email = self.request.get('email')
uname = utils.valid_uname(user_uname)
uname_ex = utils.user_exists(user_uname)
psswrd = utils.valid_psswrd(user_psswrd)
verified = utils.verify_psswrd(user_psswrd, user_ver)
email = utils.valid_email(user_email)
# this will store the values to be returned
ret = {"uname":cgi.escape(user_uname), "uname_err":"", "psswrd_err":"", "verify_err":"", "email":cgi.escape(user_email), "email_err":""}
if not uname:
ret["uname_err"] = "That's not a valid username!"
if uname_ex:
ret["uname_err"] = "This username already exists!"
if not psswrd:
ret["psswrd_err"] = "That wasn't a valid password"
if not verified:
ret["verify_err"] = "Passwords did not match"
if not email:
ret["email_err"] = "That's not a valid email!"
if not(uname and not uname_ex and psswrd and verified and (email or user_email == "")):
self.render_signup(uname=ret["uname"], uname_err=ret["uname_err"], psswrd_err=ret["psswrd_err"], verify_err=ret["verify_err"], email=ret["email"], email_err=ret["email_err"])
else:
password_hash = utils.make_pw_hash(user_uname, user_psswrd)
user = mydb.User(username=user_uname, password_hash=password_hash, salt=password_hash.split('|')[1], email=user_email)
user.put()
print "added new user %s" % user.username
mydb.allusers(True, user)
redir = self.request.cookies.get('Location')
#time.sleep(1)
if not redir:
redir = '/'
self.response.headers.add_header('Set-Cookie', "user_id=%s;Location=%s;Path=/" % (utils.make_secure_val(str(user.key().id())), str(redir)))
print redir
self.redirect(str(redir))
class LoginPage(Handler):
def render_login(self, uname="", login_err=""):
self.render("login.html", uname=uname, login_err=login_err)
def get(self):
self.render_login()
def post(self):
user_uname = self.request.get('username')
user_psswrd = self.request.get('password')
print user_uname
valid_pwd = False
valid_user = False
q = mydb.single_user_by_name(user_uname)
print q
if not(q is None):
valid_user = True
valid_pwd = utils.valid_pw(user_uname, user_psswrd, q.password_hash)
if valid_pwd and valid_user:
redir = self.request.cookies.get('Location')
if not redir:
redir = '/'
self.response.headers.add_header('Set-Cookie', "user_id=%s;Location=%s;Path=/" % (utils.make_secure_val(str(q.key().id())), str(redir)))
self.redirect(str(redir))
else:
self.render_login(uname=cgi.escape(user_uname), login_err="Invalid username or password")
class LogoutPage(Handler):
def get(self):
redir = self.request.cookies.get('Location')
self.response.set_cookie('user_id', '')
self.redirect(str(redir))
class WikiPage(Handler):
def render_post(self, entry_id):
post = mydb.singlepost(entry_id)
if post:
uname, logged_in = self.signedin()
self.response.set_cookie('Location', entry_id)
if logged_in:
self.render("individpost.html", entry=post, user=uname.username, logged_in=logged_in)
else:
self.render("individpost.html", entry=post, logged_in=logged_in)
else:
logging.error("NO POST, redirect to /_edit%s" % entry_id)
#mydb.allposts(True)
self.redirect("/_edit"+entry_id)
def get(self, entry_id):
self.render_post(entry_id)
class EditPage(Handler):
def render_edit(self, title="", content="", logged_in=False, user=""):
self.render("edit.html", title=title, content=content, logged_in=logged_in, user=user)
def get(self, entry_id):
uname, logged_in = self.signedin()
print uname
post = mydb.singlepost(entry_id)
if logged_in:
self.response.set_cookie('Location', '/_edit'+entry_id)
logging.debug("entry id for editing: " + entry_id)
if post:
logging.error("THERE is a post")
self.render_edit(post.title, post.content, logged_in=logged_in, user=uname.username)
else:
logging.error("NO POST, render for edit: %s" % entry_id)
self.render_edit(title=entry_id, logged_in=logged_in, user=uname.username)
else:
if post is None:
p = mydb.Post(title=entry_id, content=" ")
p.put()
mydb.allposts(True, p)
self.redirect('/..' + entry_id)
def post(self, entry_id):
uname, logged_in = self.signedin()
print entry_id
p = mydb.singlepost(entry_id)
if logged_in:
entry = self.request.get("content")
print entry
logging.error("this is the entry_title: " + entry_id)
print "p is none: " + str(p is None)
if p is None:
p = mydb.Post(title=entry_id, content=entry)
p.content = entry
p.put()
print "updated content: " + str(p.content)
print "edit post entry key after put: " + str(p.key())
mydb.allposts(True, p)
else:
if p is None:
p = mydb.Post(title=entry_id, content=" ")
p.put()
mydb.allposts(True, p)
self.redirect('/..'+entry_id)
#This should be useless but kept it here for now
class JSONHandler(webapp2.RequestHandler):
def write(self, *a):
self.response.headers['Content-Type'] = 'application/json; charset=UTF-8'
self.response.out.write(json.dumps(*a))
def create_json_entry(self, post):
return {"content": post.content,
"subject": post.title, "created": post.created.strftime("%a %b %H:%M:%S %Y"), "last_modified": post.last_modified.strftime("%a %b %H:%M:%S %Y")}
class SingleJSON(JSONHandler):
def get(self, entry_id):
post = mydb.singlepost(int(entry_id))
json_entry = self.create_json_entry(post)
self.write(json_entry)
class MainJSON(JSONHandler):
def get(self):
posts = mydb.allposts()
post_list = [self.create_json_entry(post) for post in posts]
self.write(post_list)
class Flush(Handler):
def get(self):
mydb.flush_memcache()
self.redirect('/')
class WelcomePage(Handler):
def render_welcome(self, user=""):
self.render("welcome.html", username=user)
def get(self):
user_id_cookie_val = self.request.cookies.get('user_id')
if user_id_cookie_val:
user_id_val = utils.check_secure_val(user_id_cookie_val)
if user_id_val:
uname = mydb.single_user_by_id(user_id_val)
self.render_welcome(uname)
else:
self.redirect('/signup')
class NewPost(Handler):
def render_newpost(self, title="", content="", error=""):
self.render("newpost.html", title=title, content=content, error=error)
def get(self):
self.render_newpost()
def post(self):
title = self.request.get("subject")
content = self.request.get("content")
if title and content:
a = mydb.Post(title = title, content = content)
a.put()
mydb.allposts(True)
id = a.key().id()
self.redirect("/"+str(id))
else:
error = "we need a title and some content"
self.render_newpost(title, content, error)
class MainPage(Handler):
def render_front(self, title="", content="", error=""):
posts = mydb.recentposts()
if mydb.memcache_get('age') is None:
mydb.memcache_set('age', time.time())
age = '%i' % (time.time() - mydb.memcache_get('age'))
self.render("front.html", title=title, age=age, content=content, error=error, posts=posts)
def get(self):
self.render_front()