cf31ed88a5bd8238ccd6faec2415fd47239d3d12
[friends.git] / friends / server.py
1 #!/usr/bin/python3
2 import tornado.ioloop
3 import tornado.web
4 import os
5 import os.path
6 import tornado.httpserver
7 import tornado.httpclient as httpclient
8 import sqlite3
9 import arrow
10 import datetime
11 from rd import RD, Link
12 import hmac
13 from tornado.options import options, define
14 import logging
15 db = None
16 # insert into user (name,email) values('mikael','mikael@frykholm.com');
17 # insert into entry (userid,text) values (1,'My thoughts on ostatus');
18
19
20 settings = {
21 "static_path": os.path.join(os.path.dirname(__file__), "static"),
22 "cookie_secret": "supersecret123",
23 "login_url": "/login",
24 "xsrf_cookies": False,
25 "domain":"https://ronin.frykholm.com",
26
27 }
28
29 #curl -v -k "https://ronin.frykholm.com/hub" -d "hub.callback=a" -d "hub.mode=b" -d "hub.topic=c" -d "hub.verify=d"
30
31 class PushHandler(tornado.web.RequestHandler):
32 def post(self):
33 """ Someone wants to subscribe to hub_topic feed"""
34 hub_callback = self.get_argument('hub.callback')
35 hub_mode = self.get_argument('hub.mode')
36 hub_topic = self.get_argument('hub.topic')
37 hub_verify = self.get_argument('hub.verify')
38 hub_lease_seconds = self.get_argument('hub.lease_seconds','')
39 hub_secret = self.get_argument('hub.secret','')
40 hub_verify_token = self.get_argument('hub.verify_token','')
41 print(self.request.body)
42 if hub_mode == 'unsubscribe':
43 pass #FIXME
44 path = hub_topic.split(self.settings['domain'])[1]
45 user = path.split('user/')[1]
46 row = db.execute("select id from user where name=?",(user,)).fetchone()
47 expire = datetime.datetime.utcnow() + datetime.timedelta(seconds=int(hub_lease_seconds))
48 if row:
49 db.execute("INSERT into subscriptions (userid, expires, callback, secret, verified) "
50 "values (?,?,?,?,?)",(row['id'],expire,hub_callback,hub_secret,False))
51 db.commit()
52 self.set_status(202)
53 http_client = httpclient.HTTPClient()
54 try:
55 response = http_client.fetch(hub_callback+"?hub.mode={}&hub.topic={}&hub.secret".format(hub_mode,hub_topic,hub_secret))
56 print(response.body)
57 except httpclient.HTTPError as e:
58 # HTTPError is raised for non-200 responses; the response
59 # can be found in e.response.
60 print("Error: " + str(e))
61 except Exception as e:
62 # Other errors are possible, such as IOError.
63 print("Error: " + str(e))
64 http_client.close()
65 #TODO add secret to outgoing feeds with hmac
66
67 class XrdHandler(tornado.web.RequestHandler):
68 def get(self):
69 self.render("templates/xrd.xml", hostname="ronin.frykholm.com", url=self.settings['domain'])
70
71 class FingerHandler(tornado.web.RequestHandler):
72 def get(self):
73 user = self.get_argument('resource')
74 user = user.split('acct:')[1]
75 (user,domain) = user.split('@')
76 rows = db.execute("select id from user where user.name=?",(user,)).fetchone()
77 if not rows:
78 self.set_status(404)
79 self.write("Not found")
80 self.finish()
81 return
82 lnk = Link(rel='http://spec.example.net/photo/1.0',
83 type='image/jpeg',
84 href='{}/static/{}.jpg'.format(self.settings['domain'],user))
85 lnk.titles.append(('User Photo', 'en'))
86 lnk.titles.append(('Benutzerfoto', 'de'))
87 lnk.properties.append(('http://spec.example.net/created/1.0', '1970-01-01'))
88 lnk2 = Link(rel='http://schemas.google.com/g/2010#updates-from',
89 type='application/atom+xml',
90 href='{}/user/{}'.format(self.settings['domain'],user))
91
92 rd = RD(subject='{}/{}'.format(self.settings['domain'],user))
93 rd.properties.append('http://spec.example.net/type/person')
94 rd.links.append(lnk)
95 rd.links.append(lnk2)
96 self.write(rd.to_json())
97
98 class UserHandler(tornado.web.RequestHandler):
99 def get(self, user):
100 entries = db.execute("select entry.id,text,ts from user,entry where user.id=entry.userid and user.name=?",(user,))
101 # import pdb;pdb.set_trace()
102 self.set_header("Content-Type", 'application/atom+xml')
103 out = self.render("templates/feed.xml",
104 user=user,
105 feed_url="{}/user/{}".format(self.settings['domain'], user),
106 hub_url="{}/hub".format(self.settings['domain']),
107 entries=entries,
108 arrow=arrow )
109 #digest = hmac.new()
110
111 def post(self, user):
112 entries = db.execute("select entry.id,text,ts from user,entry where user.id=entry.userid and user.name=?",(user,))
113
114 self.set_header("Content-Type", 'application/atom+xml')
115 out = self.render_string("templates/feed.xml",
116 user=user,
117 feed_url="{}/user/{}".format(self.settings['domain'], user),
118 hub_url="{}/hub".format(self.settings['domain']),
119 entries=entries,
120 arrow=arrow)
121 #import pdb;pdb.set_trace()
122 subscribers = db.execute("select callback, secret from subscriptions, user where user.id=subscriptions.userid and user.name=?",(user,))
123 for url,secret in subscribers:
124 digest = hmac.new(secret.encode('utf8'), out, digestmod='sha1').hexdigest()
125
126 req = httpclient.HTTPRequest(url=url, allow_nonstandard_methods=True,method='POST', body=out, headers={"X-Hub-Signature":"sha1={}".format(digest),"Content-Type": 'application/atom+xml',"Content-Length":len(out)})
127 apa = httpclient.HTTPClient()
128 apa.fetch(req)
129
130 application = tornado.web.Application([
131 (r"/.well-known/host-meta", XrdHandler),
132 (r"/.well-known/webfinger", FingerHandler),
133 (r"/user/(.+)", UserHandler),
134 (r"/hub", PushHandler),
135 ],debug=True,**settings)
136 srv = tornado.httpserver.HTTPServer(application, )
137
138 def setup_db(path):
139 gen_log = logging.getLogger("tornado.general")
140 gen_log.warn("No db found, creating in {}".format(path))
141 con = sqlite3.connect(path)
142 con.execute(""" create table user (id integer primary key,
143 name varchar,
144 email varchar);
145 create table entry (id integer primary key,
146 userid INTEGER,
147 text varchar,
148 ts timestamp default current_timestamp,
149 FOREIGN KEY(userid) REFERENCES user(id));
150 create table subscriptions (id integer primary key,
151 userid integer,
152 expires datetime,
153 callback varchar,
154 secret varchar,
155 verified bool,
156 FOREIGN KEY(userid) REFERENCES user(id));""")
157 con.commit()
158
159
160 options.define("config_file", default="/etc/friends/friends.conf", type=str)
161 options.define("webroot", default="/srv/friends/", type=str)
162
163 if __name__ == "__main__":
164 dbPath = 'friends.db'
165 # options.log_file_prefix="/tmp/friends"
166 tornado.options.parse_config_file(options.config_file)
167 tornado.options.parse_command_line()
168 gen_log = logging.getLogger("tornado.general")
169 gen_log.info("Reading config from: %s", options.config_file,)
170 if not os.path.exists(dbPath):
171 setup_db(dbPath)
172 db = sqlite3.connect(dbPath, detect_types=sqlite3.PARSE_DECLTYPES|sqlite3.PARSE_COLNAMES)
173 db.row_factory = sqlite3.Row
174 srv.listen(80)
175 tornado.ioloop.IOLoop.instance().start()
176