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from flask import Flask, abort, redirect
app = Flask(__name__)
import argparse, os, pygments
from pygments import highlight
from pygments.lexers import guess_lexer
from pygments.formatters import HtmlFormatter
parser = argparse.ArgumentParser()
parser.add_argument("root_dir", help="Path to directory with pastes")
args = parser.parse_args()
@app.route('/')
def main():
return redirect("http://termbin.com", code=302)
@app.route('/<slug>')
def beautify(slug):
# Return 404 in case of urls longer than 64 chars
if len(slug) > 64:
abort(404)
# Create path for the target dir
target_dir = os.path.join(args.root_dir, slug)
# Block directory traversal attempts
if not target_dir.startswith(args.root_dir):
abort(404)
# Check if directory with requested slug exists
if os.path.isdir(target_dir):
target_file = os.path.join(target_dir, "index.txt")
# File index.txt found inside that dir
with open(target_file) as f:
code = f.read()
# Identify language
lexer = guess_lexer(code)
# Create formatter with line numbers
formatter = HtmlFormatter(linenos=True, full=True)
# Return parsed code
return highlight(code, lexer, formatter)
# Not found
abort(404)
if __name__ == '__main__':
app.run()
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