47
47
def start(self, req, cwd=''):
48
48
working_dir = os.path.join("/home", req.user.login, cwd)
51
53
jail_path = os.path.join(req.config['paths']['jails']['mounts'],
53
cons = ivle.console.Console(req.config, req.user, jail_path,
55
cons = ivle.console.Console(req.config, uid, jail_path, working_dir)
56
57
# Assemble the key and return it. Yes, it is double-encoded.
57
58
return {'key': cjson.encode({"host": cons.host,
92
94
except (cjson.DecodeError, ivle.chat.ProtocolError):
93
95
# Could not decode the reply from the python-console server
94
96
response = {"terminate":
97
"Communication to console process lost"}
96
98
if "terminate" in response:
97
response = restart_console(req.config, req.user, jail_path,
99
response = restart_console(req.config, uid, jail_path,
98
100
working_dir, response["terminate"])
99
101
except socket.error, (enumber, estring):
100
102
if enumber == errno.ECONNREFUSED:
101
103
# Timeout: Restart the session
102
response = restart_console(req.config, req.user, jail_path,
104
response = restart_console(req.config, uid, jail_path,
104
"Timed out due to inactivity")
106
"The IVLE console has timed out due to inactivity")
105
107
elif enumber == errno.ECONNRESET:
106
108
# Communication issue: Restart the session
107
response = restart_console(req.config, req.user, jail_path,
109
response = restart_console(req.config, uid, jail_path,
111
"Connection with the console has been reset")
111
113
# Some other error - probably serious
112
114
raise socket.error, (enumber, estring)
116
def restart_console(config, user, jail_path, working_dir, reason):
118
def restart_console(config, uid, jail_path, working_dir, reason):
117
119
"""Tells the client that it must be issued a new console since the old
118
120
console is no longer availible. The client must accept the new key.
119
121
Returns the JSON response to be given to the client.
121
123
# Start a new console server console
122
cons = ivle.console.Console(config, user, jail_path, working_dir)
124
cons = ivle.console.Console(config, uid, jail_path, working_dir)
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126
# Make a JSON object to tell the browser to restart its console client
125
127
new_key = cjson.encode(