blob: 4925b25bb3f87f77b521824dfbfd2ed47fd8a769 (
plain)
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
|
#!/usr/bin/env python3
# Usage:
# _from=krebs state_dir=. python sed-plugin.py 'dick butt'
# _from=krebs state_dir=. python sed-plugin.py 's/t/l/g'
# > dick bull
import shelve
from os import environ
from os.path import join
from sys import argv
from time import sleep
import re
# try to open the shelve file until it succeeds
while True:
try:
d = shelve.open(
join(environ['state_dir'], 'sed-plugin.shelve'),
writeback=True
)
break
except: # noqa: E722
sleep(0.2)
usr = environ['_from']
def is_regex(line):
myre = re.compile(r'^s/(?:\\/|[^/])+/(?:\\/|[^/])*/[ig]?$')
return myre.match(line)
line = argv[1]
if is_regex(line):
last = d.get(usr, None)
if last:
from subprocess import Popen, PIPE
p = Popen(['sed', line], stdin=PIPE, stdout=PIPE, stderr=PIPE)
so, se = p.communicate(bytes("{}\n".format(last), "UTF-8"))
if p.returncode:
print("something went wrong when trying to process your regex: {}".format(line.strip()))
ret = so.decode()
if len(ret) > 512:
print('message to long, skipped')
elif len(ret.split('\n')) > 5:
print('to many lines, skipped')
else:
if last.strip() != ret.strip():
print("\x02{}\x02 meant: {}".format(usr, ret.strip()))
if ret:
d[usr] = ret
else:
print("no last message")
else:
d[usr] = line
d.close()
|
