-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.py
203 lines (179 loc) · 8.42 KB
/
main.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
import os
import logging
import webapp2
import jinja2
import models
import utils
TEMPLATE_DIR = os.path.join(os.path.dirname(__file__), 'templates')
jinja_env = jinja2.Environment(loader=jinja2.FileSystemLoader(TEMPLATE_DIR), autoescape=False)
class BaseHandler(webapp2.RequestHandler):
def render_template(self, template_name, ctx={}, include_tags=True):
if include_tags:
ctx['tags'] = models.get_tags()
template = jinja_env.get_template(template_name)
self.response.out.write(template.render(ctx))
def set_cookie(self, name='', value='', path='/'):
try:
self.response.headers.add_header('Set-Cookie', '%s=%s; Path=%s' % (name, value, path))
except TypeError:
raise TypeError('Non-string cookie parameter.')
def set_user(self, user):
user_id = str(user.user_id)
session_hash = utils.make_cookie_hash(user_id)
self.set_cookie('user_id', session_hash, path='/blog')
def get_user(self):
session_string = self.request.cookies.get('user_id')
if session_string:
if utils.valid_cookie_hash(session_string):
session_hash, user_id = session_string.split("|")
user = models.get_user_by_id(int(user_id))
return user
return None
class MainHandler(BaseHandler):
def get(self):
self.render_template('root.html', include_tags=False)
class BlogHandler(BaseHandler):
def get(self):
ctx = {}
user = self.get_user()
if user:
ctx['user'] = user
entries = models.get_entries()
ctx['entries'] = entries
self.render_template('posts.html', ctx)
class RegistrationHandler(BaseHandler):
def get(self):
self.render_template('register.html')
def post(self):
errors = []
username = self.request.get('username'); logging.error(username)
email = self.request.get('email'); logging.error(email)
password = self.request.get('password'); logging.error(password)
confirm_password = self.request.get('confirm_password'); logging.error(confirm_password)
if (username and email and password and (password == confirm_password)):
username = utils.clean_input(username)
email = utils.clean_input(email)
user = models.create_user(username, email, password)
if user:
self.set_user(user)
self.redirect('/blog/posts')
else:
errors.append('An error occured, please try again.')
if not username: errors.append('Username is required.')
if not password:
errors.append('Password is required.')
elif not password == confirm_password:
errors.append('Passwords do not match.')
self.render_template('register.html', {'errors': errors})
class LoginHandler(BaseHandler):
def get(self):
redirect = self.request.get('redirect', '')
self.render_template('login.html', {'redirect' : redirect})
def post(self):
errors = []
username = self.request.get('username');logging.error(username)
password = self.request.get('password');logging.error(password)
redirect = self.request.get('redirect');logging.error(redirect)
if (username and password):
username = utils.clean_input(username)
user = models.get_user(username, password)
if user:
self.set_user(user)
self.redirect((str(redirect) or '/blog/posts'))
errors.append('Login Error: incorrect username or password.')
if not username: errors.append('Username is required.')
if not password: errors.append('Password is required.')
self.render_template('login.html', {'errors': errors, 'redirect': redirect})
class LogoutHandler(BaseHandler):
def get(self):
self.set_cookie('user_id', '', path='/blog')
self.redirect('/blog/posts')
class BlogPostHandler(BaseHandler):
def get(self):
if not self.get_user():
self.redirect('/blog/login?redirect=%s' % self.request.url)
self.render_template('post_entry.html')
def post(self):
user = self.get_user()
if not user:
self.redirect('/blog/login?redirect=%s' % self.request.url)
errors = []
title = self.request.get('title')
body = self.request.get('body')
tags = self.request.get('entry_tags')
slug = self.request.get('slug')
entry_id = self.request.get('entry_id')
entry_type = self.request.get('entry_type')
if (title and body and tags):
title = utils.clean_input(title)
# line below commented out to prevent escaping of raw html within markdown
# body = utils.clean_input(body)
slug = utils.clean_input(slug)
if entry_id:
try: entry_id = int(utils.clean_input(entry_id))
except TypeError: entry_id = 0
if tags:
tags = tags.split(",")
tags = [utils.clean_input(tag.strip()) for tag in tags]
entry_type = (entry_type in ['article', 'note', 'log'] and entry_type or '')
entry = models.save_entry(title=title,
body=body,
slug=slug,
author=user.user_id,
tags=tags,
entry_id=(entry_id or 0),
entry_type=entry_type)
self.redirect('/blog/entry/view/%d' % entry.entry_id)
if not title: errors.append('Title is required')
if not body: errors.append('Body is required.')
if not tags: errors.append('At least one tag is required')
self.render_template('post_entry.html', {'errors': errors,
'title': title,
'body': body,
'entry_tags': tags,
'slug': slug})
class PermalinkHandler(BaseHandler):
def get(self, action, entry_id):
entry = models.get_entry_by_id(int(entry_id))
user = self.get_user()
if not entry:
self.error(404)
else:
if action == 'view':
self.render_template('entry.html', {'entry': entry, 'user': user});
elif action == 'edit':
if not user:
self.redirect("/blog/login?redirect=%s" % self.request.url)
self.render_template('post_entry.html',
{ 'title': entry.title,
'slug': entry.slug,
'body': entry.body,
'entry_tags': ', '.join(tag for tag in entry.tags),
'entry_id': entry.entry_id })
class TagHandler(BaseHandler):
def get(self, tag_name):
tag_name = utils.clean_input(tag_name)
entries = models.get_entries(equal_conditions=[('tags', tag_name)])
ctx = {}
ctx['entries'] = entries
self.render_template('posts.html', ctx)
class CategoryHandler(BaseHandler):
def get(self, category):
category = category[:-1]
entries = models.get_entries(equal_conditions=[('entry_type', category)])
user = self.get_user()
ctx={}
ctx['entries'] = entries
ctx['user'] = user
self.render_template('posts.html', ctx)
app = webapp2.WSGIApplication([(r'/?', MainHandler),
(r'/blog/?', BlogHandler),
(r'/blog/posts/?', BlogHandler),
(r'/blog/register/?', RegistrationHandler),
(r'/blog/login/?', LoginHandler),
(r'/blog/logout/?', LogoutHandler),
(r'/blog/post_entry/?', BlogPostHandler),
(r'/blog/tag/([.\-\s\w]+)/?', TagHandler),
(r'/blog/entry/(view|edit)/(\d+)/?', PermalinkHandler),
(r'/blog/category/(notes|logs|articles)/?', CategoryHandler)],
debug=True) # set debug to false in production