BMZCTF：个人所得税
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-- coding:utf-8 --
from flask import Flask, render_template, render_template_string, request
import tax
from jinja2 import Template
import re
app = Flask(__name__)
flag = 1
@app.route(\'/cal\', methods=[\'GET\'])
def cal_tax() -> \'html\':
try:
# income = int(request.form[\'income\'])
income = int(request.args.get(\'income\', 0))
insurance = int(request.args.get(\'insurance\', 0))
exemption = int(request.args.get(\'exemption\', 0))
# insurance = int(request.form[\'insurance\'])
# exemption = int(request.form[\'exemption\'])
before = income-insurance-exemption
free = 5000
rule = [
(80000, 0.45, 15160),
(55000, 0.35, 7160),
(35000, 0.3, 4410),
(25000, 0.25, 2660),
(12000, 0.2, 1410),
(3000, 0.1, 210),
(0,0.03, 0)
]
title = \'个税计算结果\'
mytax = tax.calc_tax(before,free,rule)
aftertax_income = income - insurance - mytax
return render_template(\'results.html\',
the_title=title,
the_income=str(income),
the_insurance=str(insurance),
the_exemption=str(exemption),
the_tax=str(mytax),
the_aftertax_income=str(aftertax_income))
except ValueError:
print(\'------------error-------------\\n\\n\')
def safe_jinja(s):
# 替换括号
s = s.replace(\'()\', \'\')
s = s.replace(\'[]\', \'\')
blacklist = [\'import\',\'os\',\'sys\',\'commands\',\'subprocess\',\'open\',\'eval\']
for bl in blacklist:
s = s.replace(bl, "")
return s
title = "输入参数的值有错"
# income = request.form[\'income\']
# income = request.form[\'income\']
# insurance = request.form[\'insurance\']
# exemption = request.form[\'exemption\']
income = request.args.get(\'income\', 0)
insurance = request.args.get(\'insurance\', 0)
exemption = request.args.get(\'exemption\', 0)
print(safe_jinja(exemption))
template = \'\'\'
<!doctype html>
<html>
<head>
<title>%s</title>
<link rel="stylesheet" href="static/hf.css" />
</head>
<body>
</body>
</html>
<h2>%s</h2>
<table>
<p>请检查输入的信息:</p>
<tr><td>[PerfectMoney下载](https://www.gendan5.com/wallet/PerfectMoney.html)税前月收入:</td><td>%s</td></tr>
<tr><td>四险一金:</td><td>%s</td></tr>
<tr><td>专项附加扣除:</td><td>%s</td></tr>
</table>
\'\'\' % (title, title, safe_jinja(income), safe_jinja(insurance), safe_jinja(exemption))
t = Template(template)
return t.render()@app.route(\'/\')
@app.route(\'/index\')
def entry_page() -> \'html\':
return render_template(\'index.html\',
the_title=\'PY个人所得税计算器\')@app.errorhandler(404)
def page_not_found(e) -> \'html\':
return render_template(\'404.html\',
url=request.url), 404@app.errorhandler(500)
def server_error(e) -> \'html\':
template = \'\'\'
<title>500 Internal Server Error</title>
<h1>Internal Server Error</h1>
<p>The server encountered an internal error and was unable to complete your request.
Please check jinjia2 syntax. Either the server is overloaded or there is an error in the application.</p>
\'\'\'
return render_template_string(template), 500if name == \'__main__\':
app.run(debug=False, port = 8003, host="0.0.0.0")以上是关于BMZCTF：个人所得税的主要内容，如果未能解决你的问题，请参考以下文章