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-rw-r--r--dummyserver/handlers.py242
1 files changed, 242 insertions, 0 deletions
diff --git a/dummyserver/handlers.py b/dummyserver/handlers.py
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+++ b/dummyserver/handlers.py
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+from __future__ import print_function
+
+import collections
+import gzip
+import json
+import logging
+import sys
+import time
+import zlib
+
+from io import BytesIO
+from tornado.wsgi import HTTPRequest
+
+try:
+ from urllib.parse import urlsplit
+except ImportError:
+ from urlparse import urlsplit
+
+log = logging.getLogger(__name__)
+
+
+class Response(object):
+ def __init__(self, body='', status='200 OK', headers=None):
+ if not isinstance(body, bytes):
+ body = body.encode('utf8')
+
+ self.body = body
+ self.status = status
+ self.headers = headers or [("Content-type", "text/plain")]
+
+ def __call__(self, environ, start_response):
+ start_response(self.status, self.headers)
+ return [self.body]
+
+
+class WSGIHandler(object):
+ pass
+
+
+class TestingApp(WSGIHandler):
+ """
+ Simple app that performs various operations, useful for testing an HTTP
+ library.
+
+ Given any path, it will attempt to load a corresponding local method if
+ it exists. Status code 200 indicates success, 400 indicates failure. Each
+ method has its own conditions for success/failure.
+ """
+ def __call__(self, environ, start_response):
+ """ Call the correct method in this class based on the incoming URI """
+ req = HTTPRequest(environ)
+
+ req.params = {}
+ for k, v in req.arguments.items():
+ req.params[k] = next(iter(v))
+
+ path = req.path[:]
+ if not path.startswith('/'):
+ path = urlsplit(path).path
+
+ target = path[1:].replace('/', '_')
+ method = getattr(self, target, self.index)
+ resp = method(req)
+
+ if dict(resp.headers).get('Connection') == 'close':
+ # FIXME: Can we kill the connection somehow?
+ pass
+
+ return resp(environ, start_response)
+
+ def index(self, _request):
+ "Render simple message"
+ return Response("Dummy server!")
+
+ def source_address(self, request):
+ """Return the requester's IP address."""
+ return Response(request.remote_ip)
+
+ def set_up(self, request):
+ test_type = request.params.get('test_type')
+ test_id = request.params.get('test_id')
+ if test_id:
+ print('\nNew test %s: %s' % (test_type, test_id))
+ else:
+ print('\nNew test %s' % test_type)
+ return Response("Dummy server is ready!")
+
+ def specific_method(self, request):
+ "Confirm that the request matches the desired method type"
+ method = request.params.get('method')
+ if method and not isinstance(method, str):
+ method = method.decode('utf8')
+
+ if request.method != method:
+ return Response("Wrong method: %s != %s" %
+ (method, request.method), status='400 Bad Request')
+ return Response()
+
+ def upload(self, request):
+ "Confirm that the uploaded file conforms to specification"
+ # FIXME: This is a huge broken mess
+ param = request.params.get('upload_param', 'myfile').decode('ascii')
+ filename = request.params.get('upload_filename', '').decode('utf-8')
+ size = int(request.params.get('upload_size', '0'))
+ files_ = request.files.get(param)
+
+ if len(files_) != 1:
+ return Response("Expected 1 file for '%s', not %d" %(param, len(files_)),
+ status='400 Bad Request')
+ file_ = files_[0]
+
+ data = file_['body']
+ if int(size) != len(data):
+ return Response("Wrong size: %d != %d" %
+ (size, len(data)), status='400 Bad Request')
+
+ if filename != file_['filename']:
+ return Response("Wrong filename: %s != %s" %
+ (filename, file_.filename),
+ status='400 Bad Request')
+
+ return Response()
+
+ def redirect(self, request):
+ "Perform a redirect to ``target``"
+ target = request.params.get('target', '/')
+ headers = [('Location', target)]
+ return Response(status='303 See Other', headers=headers)
+
+ def keepalive(self, request):
+ if request.params.get('close', b'0') == b'1':
+ headers = [('Connection', 'close')]
+ return Response('Closing', headers=headers)
+
+ headers = [('Connection', 'keep-alive')]
+ return Response('Keeping alive', headers=headers)
+
+ def sleep(self, request):
+ "Sleep for a specified amount of ``seconds``"
+ seconds = float(request.params.get('seconds', '1'))
+ time.sleep(seconds)
+ return Response()
+
+ def echo(self, request):
+ "Echo back the params"
+ if request.method == 'GET':
+ return Response(request.query)
+
+ return Response(request.body)
+
+ def encodingrequest(self, request):
+ "Check for UA accepting gzip/deflate encoding"
+ data = b"hello, world!"
+ encoding = request.headers.get('Accept-Encoding', '')
+ headers = None
+ if encoding == 'gzip':
+ headers = [('Content-Encoding', 'gzip')]
+ file_ = BytesIO()
+ zipfile = gzip.GzipFile('', mode='w', fileobj=file_)
+ zipfile.write(data)
+ zipfile.close()
+ data = file_.getvalue()
+ elif encoding == 'deflate':
+ headers = [('Content-Encoding', 'deflate')]
+ data = zlib.compress(data)
+ elif encoding == 'garbage-gzip':
+ headers = [('Content-Encoding', 'gzip')]
+ data = 'garbage'
+ elif encoding == 'garbage-deflate':
+ headers = [('Content-Encoding', 'deflate')]
+ data = 'garbage'
+ return Response(data, headers=headers)
+
+ def headers(self, request):
+ return Response(json.dumps(request.headers))
+
+ def successful_retry(self, request):
+ """ Handler which will return an error and then success
+
+ It's not currently very flexible as the number of retries is hard-coded.
+ """
+ test_name = request.headers.get('test-name', None)
+ if not test_name:
+ return Response("test-name header not set",
+ status="400 Bad Request")
+
+ if not hasattr(self, 'retry_test_names'):
+ self.retry_test_names = collections.defaultdict(int)
+ self.retry_test_names[test_name] += 1
+
+ if self.retry_test_names[test_name] >= 2:
+ return Response("Retry successful!")
+ else:
+ return Response("need to keep retrying!", status="418 I'm A Teapot")
+
+ def shutdown(self, request):
+ sys.exit()
+
+
+# RFC2231-aware replacement of internal tornado function
+def _parse_header(line):
+ r"""Parse a Content-type like header.
+
+ Return the main content-type and a dictionary of options.
+
+ >>> d = _parse_header("CD: fd; foo=\"bar\"; file*=utf-8''T%C3%A4st")[1]
+ >>> d['file'] == 'T\u00e4st'
+ True
+ >>> d['foo']
+ 'bar'
+ """
+ import tornado.httputil
+ import email.utils
+ from urllib3.packages import six
+ if not six.PY3:
+ line = line.encode('utf-8')
+ parts = tornado.httputil._parseparam(';' + line)
+ key = next(parts)
+ # decode_params treats first argument special, but we already stripped key
+ params = [('Dummy', 'value')]
+ for p in parts:
+ i = p.find('=')
+ if i >= 0:
+ name = p[:i].strip().lower()
+ value = p[i + 1:].strip()
+ params.append((name, value))
+ params = email.utils.decode_params(params)
+ params.pop(0) # get rid of the dummy again
+ pdict = {}
+ for name, value in params:
+ value = email.utils.collapse_rfc2231_value(value)
+ if len(value) >= 2 and value[0] == '"' and value[-1] == '"':
+ value = value[1:-1]
+ pdict[name] = value
+ return key, pdict
+
+# TODO: make the following conditional as soon as we know a version
+# which does not require this fix.
+# See https://github.com/facebook/tornado/issues/868
+if True:
+ import tornado.httputil
+ tornado.httputil._parse_header = _parse_header
generated by cgit v1.2.3 (git 2.25.4) at 2024-06-03 19:29:34 +0000