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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
import os
import pty
import select
import subprocess
import sys
import time
from util import build_path, root_path, executable_suffix, green_ok, red_failed
PERMISSIONS_PROMPT_TEST_TS = "tools/complex_permissions_test.ts"
PROMPT_PATTERN = b'⚠️'
PERMISSION_DENIED_PATTERN = b'PermissionDenied: permission denied'
# This function is copied from:
# https://gist.github.com/hayd/4f46a68fc697ba8888a7b517a414583e
# https://stackoverflow.com/q/52954248/1240268
def tty_capture(cmd, bytes_input, timeout=5):
"""Capture the output of cmd with bytes_input to stdin,
with stdin, stdout and stderr as TTYs."""
mo, so = pty.openpty() # provide tty to enable line-buffering
me, se = pty.openpty()
mi, si = pty.openpty()
fdmap = {mo: 'stdout', me: 'stderr', mi: 'stdin'}
timeout_exact = time.time() + timeout
p = subprocess.Popen(
cmd, bufsize=1, stdin=si, stdout=so, stderr=se, close_fds=True)
os.write(mi, bytes_input)
select_timeout = .04 #seconds
res = {'stdout': b'', 'stderr': b''}
while True:
ready, _, _ = select.select([mo, me], [], [], select_timeout)
if ready:
for fd in ready:
data = os.read(fd, 512)
if not data:
break
res[fdmap[fd]] += data
elif p.poll() is not None or time.time(
) > timeout_exact: # select timed-out
break # p exited
for fd in [si, so, se, mi, mo, me]:
os.close(fd) # can't do it sooner: it leads to errno.EIO error
p.wait()
return p.returncode, res['stdout'], res['stderr']
# Wraps a test in debug printouts
# so we have visual indicator of what test failed
def wrap_test(test_name, test_method, *argv):
sys.stdout.write(test_name + " ... ")
try:
test_method(*argv)
print green_ok()
except AssertionError:
print red_failed()
raise
class Prompt(object):
def __init__(self, deno_exe, test_types):
self.deno_exe = deno_exe
self.test_types = test_types
def run(self, flags, args, bytes_input):
"Returns (return_code, stdout, stderr)."
cmd = [self.deno_exe, "run"] + flags + [PERMISSIONS_PROMPT_TEST_TS
] + args
print " ".join(cmd)
return tty_capture(cmd, bytes_input)
def warm_up(self):
# ignore the ts compiling message
self.run(["--allow-read"], ["read", "package.json"], b'')
def test(self):
for test_type in ["read", "write"]:
test_name_base = "test_" + test_type
wrap_test(test_name_base + "_inside_project_dir",
self.test_inside_project_dir, test_type)
wrap_test(test_name_base + "_outside_tests_dir",
self.test_outside_test_dir, test_type)
wrap_test(test_name_base + "_inside_tests_dir",
self.test_inside_test_dir, test_type)
wrap_test(test_name_base + "_outside_tests_and_js_dir",
self.test_outside_test_and_js_dir, test_type)
wrap_test(test_name_base + "_inside_tests_and_js_dir",
self.test_inside_test_and_js_dir, test_type)
wrap_test(test_name_base + "_relative", self.test_relative,
test_type)
wrap_test(test_name_base + "_no_prefix", self.test_no_prefix,
test_type)
wrap_test(test_name_base + "_allow_localhost_4545",
self.test_allow_localhost_4545)
wrap_test(test_name_base + "_allow_deno_land",
self.test_allow_deno_land)
wrap_test(test_name_base + "_allow_localhost_4545_fail",
self.test_allow_localhost_4545_fail)
wrap_test(test_name_base + "_allow_localhost",
self.test_allow_localhost)
def test_inside_project_dir(self, test_type):
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-" + test_type + "=" + root_path],
[test_type, "package.json", "tests/subdir/config.json"], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
def test_outside_test_dir(self, test_type):
code, _stdout, stderr = self.run([
"--no-prompt",
"--allow-" + test_type + "=" + os.path.join(root_path, "tests")
], [test_type, "package.json"], b'')
assert code == 1
assert not PROMPT_PATTERN in stderr
assert PERMISSION_DENIED_PATTERN in stderr
def test_inside_test_dir(self, test_type):
code, _stdout, stderr = self.run([
"--no-prompt",
"--allow-" + test_type + "=" + os.path.join(root_path, "tests")
], [test_type, "tests/subdir/config.json"], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
def test_outside_test_and_js_dir(self, test_type):
code, _stdout, stderr = self.run([
"--no-prompt", "--allow-" + test_type + "=" + os.path.join(
root_path, "tests") + "," + os.path.join(root_path, "js")
], [test_type, "package.json"], b'')
assert code == 1
assert not PROMPT_PATTERN in stderr
assert PERMISSION_DENIED_PATTERN in stderr
def test_inside_test_and_js_dir(self, test_type):
code, _stdout, stderr = self.run([
"--no-prompt", "--allow-" + test_type + "=" + os.path.join(
root_path, "tests") + "," + os.path.join(root_path, "js")
], [test_type, "js/dir_test.ts", "tests/subdir/config.json"], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
def test_allow_localhost_4545(self):
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-net=localhost:4545"],
["net", "http://localhost:4545"], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
def test_allow_deno_land(self):
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-net=deno.land"],
["net", "http://localhost:4545"], b'')
assert code == 1
assert not PROMPT_PATTERN in stderr
assert PERMISSION_DENIED_PATTERN in stderr
def test_allow_localhost_4545_fail(self):
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-net=localhost:4545"],
["net", "http://localhost:4546"], b'')
assert code == 1
assert not PROMPT_PATTERN in stderr
assert PERMISSION_DENIED_PATTERN in stderr
def test_allow_localhost(self):
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-net=localhost"], [
"net", "http://localhost:4545", "http://localhost:4546",
"http://localhost:4547"
], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
def test_relative(self, test_type):
# Save and restore curdir
saved_curdir = os.getcwd()
os.chdir(root_path)
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-" + test_type + "=" + "./tests"],
[test_type, "tests/subdir/config.json"], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
os.chdir(saved_curdir)
def test_no_prefix(self, test_type):
# Save and restore curdir
saved_curdir = os.getcwd()
os.chdir(root_path)
code, _stdout, stderr = self.run(
["--no-prompt", "--allow-" + test_type + "=" + "tests"],
[test_type, "tests/subdir/config.json"], b'')
assert code == 0
assert not PROMPT_PATTERN in stderr
assert not PERMISSION_DENIED_PATTERN in stderr
os.chdir(saved_curdir)
def complex_permissions_test(deno_exe):
p = Prompt(deno_exe, ["read", "write", "net"])
p.test()
def main():
print "Permissions prompt tests"
deno_exe = os.path.join(build_path(), "deno" + executable_suffix)
complex_permissions_test(deno_exe)
if __name__ == "__main__":
main()
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