def compile(submission_id, language_id):
secure.low_level()
'''将程序编译成可执行文件'''
language = language.get_lang(language_id).lower()
dir_work = os.path.join(config.work_dir, str(submission_id))
build_cmd = {
"gcc": "gcc main.c -o main -Wall -lm -O2 -std=c99 --static -DONLINE_JUDGE",
"g++": "g++ main.cpp -O2 -Wall -lm --static -DONLINE_JUDGE -o main",
"java": "javac Main.java",
"ruby": "reek main.rb",
"perl": "perl -c main.pl",
"pascal": 'fpc main.pas -O2 -Co -Ct -Ci',
"go": '/opt/golang/bin/go build -ldflags "-s -w" main.go',
"lua": 'luac -o main main.lua',
"python2": 'python2 -m py_compile main.py',
"python3": 'python3 -m py_compile main.py',
"haskell": "ghc -o main main.hs",
}
if language not in build_cmd.keys():
return False
p = subprocess.Popen(
build_cmd[language],
shell=True,
cwd=dir_work,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE
)
out, err = p.communicate() # 获取编译错误信息
if p.returncode == 0: # 返回值为0,编译成功
return True
init.dblock.acquire()
update.update_compile_info(submission_id, err + out) # 编译失败,更新题目的编译错误信息
init.dblock.release()
return False
def handle_send_message_event(data):
app.logger.info("{} has sent message to the room {}: {} in {}".format(
data['username'], data['room'], data['message'], data['lang']))
for sid in clients:
translator = Translator()
data['message'] = str(
translator.translate(data['message'],
dest=get_lang(userdata[sid])).text)
socketio.emit('receive_message', data, room=sid)
def check_dangerous_code(submission_id, language_id):
language = language.get_lang(language_id).lower()
if language in ['python2', 'python3']:
code = file('/work/%s/main.py' % submission_id).readlines()
support_modules = [
're', # 正则表达式
'sys', # sys.stdin
'string', # 字符串处理
'scanf', # 格式化输入
'math', # 数学库
'cmath', # 复数数学库
'decimal', # 数学库，浮点数
'numbers', # 抽象基类
'fractions', # 有理数
'random', # 随机数
'itertools', # 迭代函数
'functools',
#Higher order functions and operations on callable objects
'operator', # 函数操作
'readline', # 读文件
'json', # 解析json
'array', # 数组
'sets', # 集合
'queue', # 队列
'types', # 判断类型
]
for line in code:
if line.find('import') >= 0:
words = line.split()
tag = 0
for w in words:
if w in support_modules:
tag = 1
break
if tag == 0:
return False
return True
if language in ['c', 'c++']:
try:
code = file('/work/%s/main.c' % submission_id).read()
except:
code = file('/work/%s/main.cpp' % submission_id).read()
if code.find('system') >= 0:
return False
return True
if language == 'go':
code = file('/work/%s/main.go' % submission_id).read()
danger_package = [
'os', 'path', 'net', 'sql', 'syslog', 'http', 'mail', 'rpc', 'smtp', 'exec', 'user',
]
for item in danger_package:
if code.find('"%s"' % item) >= 0:
return False
return True