-
Notifications
You must be signed in to change notification settings - Fork 8
/
blog.py
executable file
·267 lines (220 loc) · 9.2 KB
/
blog.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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
#!/usr/bin/env python
#-*- coding:utf-8 -*-
import tornado.database
import tornado.httpserver
import tornado.web
import tornado.ioloop
import os.path
import markdown
import ConfigParser
import re
from model import Article, Label, Auth, Search
from component import Paginator
from tornado.options import define, options
class Application(tornado.web.Application):
def __init__(self):
handlers = [
(r'/', HomeHandler),
(r'/article/(\d+)', ArticleHandler),
(r'/createArticle', CreateArticleHandler),
(r'/preview', PreviewHandler),
(r'/article/edit/(\d+)', EditArticleHandler),
(r'/article/update/(\d+)', UpdateArticleHandler),
(r'/login', LoginHandler),
(r'/logout', LogoutHandler),
(r'/auth', AuthHandler),
(r'/page/(\d+)', ArticleListHandler),
(r'/search', SearchHandler),
]
settings = dict(
static_path=os.path.join(os.path.dirname(__file__), 'static'),
template_path=os.path.join(os.path.dirname(__file__), 'templates'),
autoescape=None,
xsrf_cookies=True,
cookie_secret='6de683f6e8f038f62863fe27a17573e5',
login_url='/login',
)
tornado.web.Application.__init__(self, handlers, **settings)
self.db = tornado.database.Connection(
host=options.mysql_host, database=options.mysql_database,
user=options.mysql_user, password=options.mysql_password
)
class BaseHandler(tornado.web.RequestHandler):
@property
def db(self):
return self.application.db
def write_error(self, status_code, **kwargs):
if status_code == 400:
error = "400: Bad Request"
self.render('error.html', error=error, home_title=options.home_title)
if status_code == 405:
error = "405: Method Not Allowed"
self.render('error.html', error=error, home_title=options.home_title)
if status_code == 404:
error = "404: Page Not Found"
self.render('error.html', error=error, home_title=options.home_title)
def get_current_user(self):
return self.get_secure_cookie('user')
def isAdmin(self):
if self.get_secure_cookie('user'):
return True
else:
return False
class HomeHandler(BaseHandler):
def get(self):
p = Paginator(Article.all(self.db), 5)
page = p.page(1)
isAdmin = self.isAdmin()
label_list = Label.group(self.db)
self.render('index.html', articles=page.object_list, label_list=label_list,
isAdmin=isAdmin, page=page, home_title=options.home_title,
user=options.user, photo=options.photo)
class ArticleListHandler(BaseHandler):
def get(self, pageId):
p = Paginator(Article.all(self.db), 5)
page = p.page(int(pageId))
isAdmin = self.isAdmin()
label_list = Label.group(self.db)
self.render('index.html', articles=page.object_list, label_list=label_list,
isAdmin=isAdmin, page=page, home_title=options.home_title,
user=options.user, photo=options.photo)
class ArticleHandler(BaseHandler):
def get(self, id):
article = Article.get(self.db, id)
if article is None:
error = '404: Page Not Found'
self.render('error.html', error=error, home_title=options.home_title)
else:
isAdmin = self.isAdmin()
label_list = Label.group(self.db)
blog_hostname = options.blog_hostname
self.render('article.html', article=article, label_list=label_list,
blog_hostname=blog_hostname, isAdmin=isAdmin, home_title=options.home_title,
user=options.user, photo=options.photo)
class PreviewHandler(BaseHandler):
@tornado.web.authenticated
def post(self):
title = self.get_argument('title')
content_md = self.get_argument('content')
pattern = r'\[[^\[\]]+\]'
labels = re.findall(pattern, self.get_argument('labels'))
content_html = markdown.markdown(content_md, ['codehilite'])
article = {}
article['title'] = title
article['content_html'] = content_html
article['labels'] = [{'detail': label[1:-1].strip()} for label in labels]
data = {}
data['title'] = title
data['labels'] = self.get_argument('labels')
data['content'] = content_md
self.render('preview.html', article=article, data=data,
user=options.user, photo=options.photo)
class EditArticleHandler(BaseHandler):
@tornado.web.authenticated
def get(self, id):
article = Article.get(self.db, id)
if article is None:
error = '404: Page Not Found'
self.render('error.html', error=error, home_title=options.home_title)
else:
labels = ' '.join(map(lambda item: '[' + item['detail'] + ']', article['labels']))
self.render('editArticle.html', article=article, labels=labels)
class UpdateArticleHandler(BaseHandler):
@tornado.web.authenticated
def post(self, id):
title = self.get_argument('title')
content_md = self.get_argument('content')
pattern = r'\[[^\[\]]+\]'
labels = re.findall(pattern, self.get_argument('labels'))
content_html = markdown.markdown(content_md, ['codehilite'])
try:
Article.update(self.db, id, title, content_md, content_html)
Label.deleteAll(self.db, id)
for label in labels:
detail = label[1:-1].strip()
Label.create(self.db, id, detail)
self.redirect('/article/' + id, permanent=True)
except:
error = "The post data invalid"
self.render('error.html', error=error, home_title=options.home_title)
class CreateArticleHandler(BaseHandler):
@tornado.web.authenticated
def get(self):
self.render('createArticle.html')
@tornado.web.authenticated
def post(self):
title = self.get_argument('title')
content_md = self.get_argument('content')
pattern = r'\[[^\[\]]+\]'
labels = re.findall(pattern, self.get_argument('labels'))
content_html = markdown.markdown(content_md, ['codehilite'])
try:
article_id = Article.create(self.db, title, content_md, content_html)
for label in labels:
detail = label[1:-1].strip()
Label.create(self.db, article_id, detail)
self.redirect('/', permanent=True)
except:
error = "The post data invalid"
self.render('error.html', error=error, home_title=options.home_title)
class SearchHandler(BaseHandler):
def get(self):
key = self.get_argument('key', '').strip()
pageId = int(self.get_argument('page', '1'))
if len(key) == 0:
results = Article.all(self.db)
else:
results = Search.all(self.db, key)
p = Paginator(results, 5)
page = p.page(pageId)
isAdmin = self.isAdmin()
label_list = Label.group(self.db)
self.render('search.html', articles=page.object_list, label_list=label_list,
isAdmin=isAdmin, page=page, home_title=options.home_title,
user=options.user, photo=options.photo)
class LoginHandler(BaseHandler):
def get(self):
next = self.get_argument('next', '/')
self.render('login.html', next=next)
class LogoutHandler(BaseHandler):
def get(self):
self.clear_cookie('user')
self.redirect('/', permanent=True)
class AuthHandler(BaseHandler):
def post(self):
username = self.get_argument("username")
password = self.get_argument("password")
try:
if self.validate(username) is None:
raise
if Auth.authenticate(self.db, username, password):
self.set_secure_cookie("user", "admin", expires_days=1)
self.redirect(self.get_argument('next', '/'), permanent=True)
else:
error = "Authentication failure"
self.render('error.html', error=error, home_title=options.home_title)
except:
error = "The user not exists"
self.render('error.html', error=error, home_title=options.home_title)
def validate(self, username):
regex = re.compile(r'^[\w\d]+$')
return regex.match(username)
def main():
config = ConfigParser.ConfigParser()
config.read('blog.cfg')
mysql = dict(config.items('mysql'))
blog = dict(config.items('blog'))
define("port", default=int(blog['port']), type=int)
define("mysql_host", default="127.0.0.1:3306")
define("mysql_database", default=mysql['database'])
define("mysql_user", default=mysql['user'])
define("mysql_password", default=mysql['password'])
define("blog_hostname", default=blog['hostname'])
define("user", default=blog['user'])
define("home_title", default=blog['home_title'])
define("photo", default=blog['photo'])
http_server = tornado.httpserver.HTTPServer(Application())
http_server.listen(options.port)
tornado.ioloop.IOLoop.instance().start()
if __name__ == '__main__':
main()