Files
httpbin/httpbin/core.py
T

371 lines
9.1 KiB
Python

# -*- coding: utf-8 -*-
"""
httpbin.core
~~~~~~~~~~~~
This module provides the core HttpBin experience.
"""
import base64
import json
import os
import time
import uuid
from flask import Flask, Response, request, render_template, redirect, jsonify, make_response
from raven.contrib.flask import Sentry
from werkzeug.datastructures import WWWAuthenticate
from werkzeug.http import http_date
from werkzeug.wrappers import BaseResponse
from . import filters
from .helpers import get_headers, status_code, get_dict, check_basic_auth, check_digest_auth, H, ROBOT_TXT, ANGRY_ASCII
from .utils import weighted_choice
from .structures import CaseInsensitiveDict
ENV_COOKIES = (
'_gauges_unique',
'_gauges_unique_year',
'_gauges_unique_month',
'_gauges_unique_day',
'_gauges_unique_hour',
'__utmz',
'__utma',
'__utmb'
)
# Prevent WSGI from correcting the casing of the Location header
BaseResponse.autocorrect_location_header = False
app = Flask(__name__)
# Setup error collection
sentry = Sentry(app)
# ------
# Routes
# ------
@app.route('/')
def view_landing_page():
"""Generates Landing Page."""
return render_template('index.html')
@app.route('/html')
def view_html_page():
"""Simple Html Page"""
return render_template('moby.html')
@app.route('/robots.txt')
def view_robots_page():
"""Simple Html Page"""
response = make_response()
response.data = ROBOT_TXT
response.content_type = "text/plain"
return response
@app.route('/deny')
def view_deny_page():
"""Simple Html Page"""
response = make_response()
response.data = ANGRY_ASCII
response.content_type = "text/plain"
return response
# return "YOU SHOULDN'T BE HERE"
@app.route('/ip')
def view_origin():
"""Returns Origin IP."""
return jsonify(origin=request.headers.get('X-Forwarded-For', request.remote_addr))
@app.route('/headers')
def view_headers():
"""Returns HTTP HEADERS."""
return jsonify(get_dict('headers'))
@app.route('/user-agent')
def view_user_agent():
"""Returns User-Agent."""
headers = get_headers()
return jsonify({'user-agent': headers['user-agent']})
@app.route('/get', methods=('GET',))
def view_get():
"""Returns GET Data."""
return jsonify(get_dict('url', 'args', 'headers', 'origin'))
@app.route('/post', methods=('POST',))
def view_post():
"""Returns POST Data."""
return jsonify(get_dict(
'url', 'args', 'form', 'data', 'origin', 'headers', 'files', 'json'))
@app.route('/put', methods=('PUT',))
def view_put():
"""Returns PUT Data."""
return jsonify(get_dict(
'url', 'args', 'form', 'data', 'origin', 'headers', 'files', 'json'))
@app.route('/patch', methods=('PATCH',))
def view_patch():
"""Returns PATCH Data."""
return jsonify(get_dict(
'url', 'args', 'form', 'data', 'origin', 'headers', 'files', 'json'))
@app.route('/delete', methods=('DELETE',))
def view_delete():
"""Returns DETLETE Data."""
return jsonify(get_dict('url', 'args', 'data', 'origin', 'headers', 'json'))
@app.route('/gzip')
@filters.gzip
def view_gzip_encoded_content():
"""Returns GZip-Encoded Data."""
return jsonify(get_dict(
'origin', 'headers', method=request.method, gzipped=True))
@app.route('/redirect/<int:n>')
def redirect_n_times(n):
"""301 Redirects n times."""
assert n > 0
if (n == 1):
return redirect('/get')
return redirect('/redirect/{0}'.format(n - 1))
@app.route('/redirect-to')
def redirect_to():
"""302 Redirects to the given URL."""
args = CaseInsensitiveDict(request.args.items())
# We need to build the response manually and convert to UTF-8 to prevent
# werkzeug from "fixing" the URL. This endpoint should set the Location
# header to the exact string supplied.
response = app.make_response('')
response.status_code = 302
response.headers['Location'] = args['url'].encode('utf-8')
return response
@app.route('/relative-redirect/<int:n>')
def relative_redirect_n_times(n):
"""301 Redirects n times."""
assert n > 0
response = app.make_response('')
response.status_code = 302
if (n == 1):
response.headers['Location'] = '/get'
return response
response.headers['Location'] = '/relative-redirect/{0}'.format(n - 1)
return response
@app.route('/stream/<int:n>')
def stream_n_messages(n):
"""Stream n JSON messages"""
response = get_dict('url', 'args', 'headers', 'origin')
n = min(n, 100)
def generate_stream():
for i in range(n):
response['id'] = i
yield json.dumps(response) + '\n'
return Response(generate_stream(), headers={
"Transfer-Encoding": "chunked",
"Content-Type": "application/json",
})
@app.route('/status/<codes>')
def view_status_code(codes):
"""Return status code or random status code if more than one are given"""
if not ',' in codes:
code = int(codes)
return status_code(code)
choices = []
for choice in codes.split(','):
if not ':' in choice:
code = choice
weight = 1
else:
code, weight = choice.split(':')
choices.append((int(code), float(weight)))
code = weighted_choice(choices)
return status_code(code)
@app.route('/response-headers')
def response_headers():
"""Returns a set of response headers from the query string """
headers = CaseInsensitiveDict(request.args.items())
response = jsonify(headers.items())
while True:
content_len_shown = response.headers['Content-Length']
response = jsonify(response.headers.items())
for key, value in headers.items():
response.headers[key] = value
if response.headers['Content-Length'] == content_len_shown:
break
return response
@app.route('/cookies')
def view_cookies(hide_env=True):
"""Returns cookie data."""
cookies = dict(request.cookies.items())
if hide_env and ('show_env' not in request.args):
for key in ENV_COOKIES:
try:
del cookies[key]
except KeyError:
pass
return jsonify(cookies=cookies)
@app.route('/cookies/set/<name>/<value>')
def set_cookie(name, value):
"""Sets a cookie and redirects to cookie list."""
r = app.make_response(redirect('/cookies'))
r.set_cookie(key=name, value=value)
return r
@app.route('/cookies/set')
def set_cookies():
"""Sets cookie(s) as provided by the query string and redirects to cookie list."""
cookies = dict(request.args.items())
r = app.make_response(redirect('/cookies'))
for key, value in cookies.items():
r.set_cookie(key=key, value=value)
return r
@app.route('/basic-auth/<user>/<passwd>')
def basic_auth(user='user', passwd='passwd'):
"""Prompts the user for authorization using HTTP Basic Auth."""
if not check_basic_auth(user, passwd):
return status_code(401)
return jsonify(authenticated=True, user=user)
@app.route('/hidden-basic-auth/<user>/<passwd>')
def hidden_basic_auth(user='user', passwd='passwd'):
"""Prompts the user for authorization using HTTP Basic Auth."""
if not check_basic_auth(user, passwd):
return status_code(404)
return jsonify(authenticated=True, user=user)
@app.route('/digest-auth/<qop>/<user>/<passwd>')
def digest_auth(qop=None, user='user', passwd='passwd'):
"""Prompts the user for authorization using HTTP Digest auth"""
if qop not in ('auth', 'auth-int'):
qop = None
if not request.headers.get('Authorization'):
response = app.make_response('')
response.status_code = 401
nonce = H("%s:%d:%s" % (request.remote_addr,
time.time(),
os.urandom(10)))
opaque = H(os.urandom(10))
auth = WWWAuthenticate("digest")
auth.set_digest('me@kennethreitz.com', nonce, opaque=opaque,
qop=('auth', 'auth-int') if qop is None else (qop, ))
response.headers['WWW-Authenticate'] = auth.to_header()
return response
elif not check_digest_auth(user, passwd):
return status_code(401)
return jsonify(authenticated=True, user=user)
@app.route('/delay/<int:delay>')
def delay_response(delay):
"""Returns a delayed response"""
delay = min(delay, 10)
time.sleep(delay)
return jsonify(get_dict(
'url', 'args', 'form', 'data', 'origin', 'headers', 'files'))
@app.route('/base64/<value>')
def decode_base64(value):
"""Decodes base64url-encoded string"""
encoded = value.encode('utf-8')
return base64.urlsafe_b64decode(encoded).decode('utf-8')
@app.route('/cache', methods=('GET',))
def cache():
"""Returns a 304 if an If-Modified-Since header or If-None-Match is present. Returns the same as a GET otherwise."""
is_conditional = request.headers.get('If-Modified-Since') or request.headers.get('If-None-Match')
if is_conditional is None:
response = view_get()
response.headers['Last-Modified'] = http_date()
response.headers['ETag'] = uuid.uuid4().hex
return response
else:
return status_code(304)
if __name__ == '__main__':
app.run()