def _error_response(self, response, env, start_response):
"""
Sends the error response to the remote client, possibly resolving a
custom error response body based on x-container-meta-web-error.
:param response: The error response we should default to sending.
:param env: The original request WSGI environment.
:param start_response: The WSGI start_response hook.
"""
if not self._error:
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return response
save_response_status = self._response_status
save_response_headers = self._response_headers
save_response_exc_info = self._response_exc_info
resp = self._app_call(
make_env(env,
'GET',
'/%s/%s/%s/%s%s' %
(self.version, self.account, self.container,
self._get_status_int(), self._error),
self.agent,
swift_source='SW'))
if is_success(self._get_status_int()):
start_response(save_response_status, self._response_headers,
self._response_exc_info)
return resp
start_response(save_response_status, save_response_headers,
save_response_exc_info)
return response
def _error_response(self, response, env, start_response):
"""
Sends the error response to the remote client, possibly resolving a
custom error response body based on x-container-meta-web-error.
:param response: The error response we should default to sending.
:param env: The original request WSGI environment.
:param start_response: The WSGI start_response hook.
"""
if not self._error:
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return response
save_response_status = self._response_status
save_response_headers = self._response_headers
save_response_exc_info = self._response_exc_info
resp = self._app_call(make_env(
env, 'GET', '/%s/%s/%s/%s%s' % (
self.version, self.account, self.container,
self._get_status_int(), self._error),
self.agent, swift_source='SW'))
if is_success(self._get_status_int()):
start_response(save_response_status, self._response_headers,
self._response_exc_info)
return resp
start_response(save_response_status, save_response_headers,
save_response_exc_info)
return response
def make_encrypted_env(env, method=None, path=None, agent='Swift',
query_string=None, swift_source=None):
"""Same as :py:func:`make_env` but with encryption env, if available."""
newenv = wsgi.make_env(
env, method=method, path=path, agent=agent, query_string=query_string,
swift_source=swift_source)
for name in (crypto_utils.ALGO_ENV_KEY, crypto_utils.SRC_ALGO_ENV_KEY,
crypto_utils.KEY_ENV_KEY, crypto_utils.SRC_KEY_ENV_KEY,
crypto_utils.KEY_MD5_ENV_KEY,
crypto_utils.SRC_KEY_MD5_ENV_KEY):
if name in env:
newenv[name] = env[name]
return newenv
def make_encrypted_env(env,
method=None,
path=None,
agent='Swift',
query_string=None,
swift_source=None):
"""Same as :py:func:`make_env` but with encryption env, if available."""
newenv = wsgi.make_env(env,
method=method,
path=path,
agent=agent,
query_string=query_string,
swift_source=swift_source)
for name in (ALGO_ENV_KEY, KEY_ENV_KEY, KEY_MD5_ENV_KEY):
if name in env:
newenv[name] = env[name]
return newenv
def handle_object(self, env, start_response):
"""
Handles a possible static web request for an object. This object could
resolve into an index or listing request.
:param env: The original WSGI environment dict.
:param start_response: The original WSGI start_response hook.
"""
tmp_env = dict(env)
tmp_env['HTTP_USER_AGENT'] = \
'%s StaticWeb' % env.get('HTTP_USER_AGENT')
tmp_env['swift.source'] = 'SW'
resp = self._app_call(tmp_env)
status_int = self._get_status_int()
self._get_container_info(env)
if is_success(status_int) or is_redirection(status_int):
# Treat directory marker objects as not found
if not self._dir_type:
self._dir_type = 'application/directory'
content_length = self._response_header_value('content-length')
content_length = int(content_length) if content_length else 0
if self._response_header_value('content-type') == self._dir_type \
and content_length <= 1:
status_int = HTTP_NOT_FOUND
else:
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return resp
if status_int != HTTP_NOT_FOUND:
# Retaining the previous code's behavior of not using custom error
# pages for non-404 errors.
self._error = None
return self._error_response(resp, env, start_response)
if not self._listings and not self._index:
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return resp
status_int = HTTP_NOT_FOUND
if self._index:
tmp_env = dict(env)
tmp_env['HTTP_USER_AGENT'] = \
'%s StaticWeb' % env.get('HTTP_USER_AGENT')
tmp_env['swift.source'] = 'SW'
if not tmp_env['PATH_INFO'].endswith('/'):
tmp_env['PATH_INFO'] += '/'
tmp_env['PATH_INFO'] += self._index
resp = self._app_call(tmp_env)
status_int = self._get_status_int()
if is_success(status_int) or is_redirection(status_int):
if not env['PATH_INFO'].endswith('/'):
resp = HTTPMovedPermanently(location=env['PATH_INFO'] +
'/')
return resp(env, start_response)
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return resp
if status_int == HTTP_NOT_FOUND:
if not env['PATH_INFO'].endswith('/'):
tmp_env = make_env(
env,
'GET',
'/%s/%s/%s' % (self.version, self.account, self.container),
self.agent,
swift_source='SW')
tmp_env['QUERY_STRING'] = 'limit=1&format=json&delimiter' \
'=/&limit=1&prefix=%s' % quote(self.obj + '/')
resp = self._app_call(tmp_env)
body = ''.join(resp)
if not is_success(self._get_status_int()) or not body or \
not json.loads(body):
resp = HTTPNotFound()(env, self._start_response)
return self._error_response(resp, env, start_response)
resp = HTTPMovedPermanently(location=env['PATH_INFO'] + '/')
return resp(env, start_response)
return self._listing(env, start_response, self.obj)
def _listing(self, env, start_response, prefix=None):
"""
Sends an HTML object listing to the remote client.
:param env: The original WSGI environment dict.
:param start_response: The original WSGI start_response hook.
:param prefix: Any prefix desired for the container listing.
"""
if not config_true_value(self._listings):
body = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 ' \
'Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\n' \
'<html>\n' \
'<head>\n' \
'<title>Listing of %s</title>\n' % cgi.escape(env['PATH_INFO'])
if self._listings_css:
body += ' <link rel="stylesheet" type="text/css" ' \
'href="%s" />\n' % self._build_css_path(prefix or '')
else:
body += ' <style type="text/css">\n' \
' h1 {font-size: 1em; font-weight: bold;}\n' \
' p {font-size: 2}\n' \
' </style>\n'
body += '</head>\n<body>' \
' <h1>Web Listing Disabled</h1>' \
' <p>The owner of this web site has disabled web listing.' \
' <p>If you are the owner of this web site, you can enable' \
' web listing by setting X-Container-Meta-Web-Listings.</p>'
if self._index:
body += '<h1>Index File Not Found</h1>' \
' <p>The owner of this web site has set ' \
' <b>X-Container-Meta-Web-Index: %s</b>. ' \
' However, this file is not found.</p>' % self._index
body += ' </body>\n</html>\n'
resp = HTTPNotFound(body=body)(env, self._start_response)
return self._error_response(resp, env, start_response)
tmp_env = make_env(env,
'GET',
'/%s/%s/%s' %
(self.version, self.account, self.container),
self.agent,
swift_source='SW')
tmp_env['QUERY_STRING'] = 'delimiter=/&format=json'
if prefix:
tmp_env['QUERY_STRING'] += '&prefix=%s' % quote(prefix)
else:
prefix = ''
resp = self._app_call(tmp_env)
if not is_success(self._get_status_int()):
return self._error_response(resp, env, start_response)
listing = None
body = ''.join(resp)
if body:
listing = json.loads(body)
if not listing:
resp = HTTPNotFound()(env, self._start_response)
return self._error_response(resp, env, start_response)
headers = {'Content-Type': 'text/html; charset=UTF-8'}
body = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 ' \
'Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\n' \
'<html>\n' \
' <head>\n' \
' <title>Listing of %s</title>\n' % \
cgi.escape(env['PATH_INFO'])
if self._listings_css:
body += ' <link rel="stylesheet" type="text/css" ' \
'href="%s" />\n' % (self._build_css_path(prefix))
else:
body += ' <style type="text/css">\n' \
' h1 {font-size: 1em; font-weight: bold;}\n' \
' th {text-align: left; padding: 0px 1em 0px 1em;}\n' \
' td {padding: 0px 1em 0px 1em;}\n' \
' a {text-decoration: none;}\n' \
' </style>\n'
body += ' </head>\n' \
' <body>\n' \
' <h1 id="title">Listing of %s</h1>\n' \
' <table id="listing">\n' \
' <tr id="heading">\n' \
' <th class="colname">Name</th>\n' \
' <th class="colsize">Size</th>\n' \
' <th class="coldate">Date</th>\n' \
' </tr>\n' % \
cgi.escape(env['PATH_INFO'])
if prefix:
body += ' <tr id="parent" class="item">\n' \
' <td class="colname"><a href="../">../</a></td>\n' \
' <td class="colsize"> </td>\n' \
' <td class="coldate"> </td>\n' \
' </tr>\n'
for item in listing:
if 'subdir' in item:
subdir = item['subdir'].encode("utf-8")
if prefix:
subdir = subdir[len(prefix):]
body += ' <tr class="item subdir">\n' \
' <td class="colname"><a href="%s">%s</a></td>\n' \
' <td class="colsize"> </td>\n' \
' <td class="coldate"> </td>\n' \
' </tr>\n' % \
(quote(subdir), cgi.escape(subdir))
for item in listing:
if 'name' in item:
name = item['name'].encode("utf-8")
if prefix:
name = name[len(prefix):]
content_type = item['content_type'].encode("utf-8")
bytes = human_readable(item['bytes'])
last_modified = (cgi.escape(item['last_modified'].encode(
"utf-8")).split('.')[0].replace('T', ' '))
body += ' <tr class="item %s">\n' \
' <td class="colname"><a href="%s">%s</a></td>\n' \
' <td class="colsize">%s</td>\n' \
' <td class="coldate">%s</td>\n' \
' </tr>\n' % \
(' '.join('type-' + cgi.escape(t.lower(), quote=True)
for t in content_type.split('/')),
quote(name), cgi.escape(name),
bytes, last_modified)
body += ' </table>\n' \
' </body>\n' \
'</html>\n'
resp = Response(headers=headers, body=body)
return resp(env, start_response)
def handle_object(self, env, start_response):
"""
Handles a possible static web request for an object. This object could
resolve into an index or listing request.
:param env: The original WSGI environment dict.
:param start_response: The original WSGI start_response hook.
"""
tmp_env = dict(env)
tmp_env['HTTP_USER_AGENT'] = \
'%s StaticWeb' % env.get('HTTP_USER_AGENT')
tmp_env['swift.source'] = 'SW'
resp = self._app_call(tmp_env)
status_int = self._get_status_int()
self._get_container_info(env)
if is_success(status_int) or is_redirection(status_int):
# Treat directory marker objects as not found
if not self._dir_type:
self._dir_type = 'application/directory'
content_length = self._response_header_value('content-length')
content_length = int(content_length) if content_length else 0
if self._response_header_value('content-type') == self._dir_type \
and content_length <= 1:
status_int = HTTP_NOT_FOUND
else:
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return resp
if status_int != HTTP_NOT_FOUND:
# Retaining the previous code's behavior of not using custom error
# pages for non-404 errors.
self._error = None
return self._error_response(resp, env, start_response)
if not self._listings and not self._index:
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return resp
status_int = HTTP_NOT_FOUND
if self._index:
tmp_env = dict(env)
tmp_env['HTTP_USER_AGENT'] = \
'%s StaticWeb' % env.get('HTTP_USER_AGENT')
tmp_env['swift.source'] = 'SW'
if not tmp_env['PATH_INFO'].endswith('/'):
tmp_env['PATH_INFO'] += '/'
tmp_env['PATH_INFO'] += self._index
resp = self._app_call(tmp_env)
status_int = self._get_status_int()
if is_success(status_int) or is_redirection(status_int):
if not env['PATH_INFO'].endswith('/'):
return self._redirect_with_slash(env, start_response)
start_response(self._response_status, self._response_headers,
self._response_exc_info)
return resp
if status_int == HTTP_NOT_FOUND:
if not env['PATH_INFO'].endswith('/'):
tmp_env = make_env(
env, 'GET', '/%s/%s/%s' % (
self.version, self.account, self.container),
self.agent, swift_source='SW')
tmp_env['QUERY_STRING'] = 'limit=1&format=json&delimiter' \
'=/&limit=1&prefix=%s' % quote(self.obj + '/')
resp = self._app_call(tmp_env)
body = ''.join(resp)
if not is_success(self._get_status_int()) or not body or \
not json.loads(body):
resp = HTTPNotFound()(env, self._start_response)
return self._error_response(resp, env, start_response)
return self._redirect_with_slash(env, start_response)
return self._listing(env, start_response, self.obj)
def _listing(self, env, start_response, prefix=None):
"""
Sends an HTML object listing to the remote client.
:param env: The original WSGI environment dict.
:param start_response: The original WSGI start_response hook.
:param prefix: Any prefix desired for the container listing.
"""
label = env['PATH_INFO']
if self._listings_label:
groups = env['PATH_INFO'].split('/')
label = '{0}/{1}'.format(self._listings_label,
'/'.join(groups[4:]))
if not config_true_value(self._listings):
body = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 ' \
'Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\n' \
'<html>\n' \
'<head>\n' \
'<title>Listing of %s</title>\n' % cgi.escape(label)
if self._listings_css:
body += ' <link rel="stylesheet" type="text/css" ' \
'href="%s" />\n' % self._build_css_path(prefix or '')
else:
body += ' <style type="text/css">\n' \
' h1 {font-size: 1em; font-weight: bold;}\n' \
' p {font-size: 2}\n' \
' </style>\n'
body += '</head>\n<body>' \
' <h1>Web Listing Disabled</h1>' \
' <p>The owner of this web site has disabled web listing.' \
' <p>If you are the owner of this web site, you can enable' \
' web listing by setting X-Container-Meta-Web-Listings.</p>'
if self._index:
body += '<h1>Index File Not Found</h1>' \
' <p>The owner of this web site has set ' \
' <b>X-Container-Meta-Web-Index: %s</b>. ' \
' However, this file is not found.</p>' % self._index
body += ' </body>\n</html>\n'
resp = HTTPNotFound(body=body)(env, self._start_response)
return self._error_response(resp, env, start_response)
tmp_env = make_env(
env, 'GET', '/%s/%s/%s' % (
self.version, self.account, self.container),
self.agent, swift_source='SW')
tmp_env['QUERY_STRING'] = 'delimiter=/&format=json'
if prefix:
tmp_env['QUERY_STRING'] += '&prefix=%s' % quote(prefix)
else:
prefix = ''
resp = self._app_call(tmp_env)
if not is_success(self._get_status_int()):
return self._error_response(resp, env, start_response)
listing = None
body = ''.join(resp)
if body:
listing = json.loads(body)
if not listing:
resp = HTTPNotFound()(env, self._start_response)
return self._error_response(resp, env, start_response)
headers = {'Content-Type': 'text/html; charset=UTF-8'}
body = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 ' \
'Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">\n' \
'<html>\n' \
' <head>\n' \
' <title>Listing of %s</title>\n' % cgi.escape(label)
if self._listings_css:
body += ' <link rel="stylesheet" type="text/css" ' \
'href="%s" />\n' % (self._build_css_path(prefix))
else:
body += ' <style type="text/css">\n' \
' h1 {font-size: 1em; font-weight: bold;}\n' \
' th {text-align: left; padding: 0px 1em 0px 1em;}\n' \
' td {padding: 0px 1em 0px 1em;}\n' \
' a {text-decoration: none;}\n' \
' </style>\n'
body += ' </head>\n' \
' <body>\n' \
' <h1 id="title">Listing of %s</h1>\n' \
' <table id="listing">\n' \
' <tr id="heading">\n' \
' <th class="colname">Name</th>\n' \
' <th class="colsize">Size</th>\n' \
' <th class="coldate">Date</th>\n' \
' </tr>\n' % cgi.escape(label)
if prefix:
body += ' <tr id="parent" class="item">\n' \
' <td class="colname"><a href="../">../</a></td>\n' \
' <td class="colsize"> </td>\n' \
' <td class="coldate"> </td>\n' \
' </tr>\n'
for item in listing:
if 'subdir' in item:
subdir = item['subdir'].encode("utf-8")
if prefix:
subdir = subdir[len(prefix):]
body += ' <tr class="item subdir">\n' \
' <td class="colname"><a href="%s">%s</a></td>\n' \
' <td class="colsize"> </td>\n' \
' <td class="coldate"> </td>\n' \
' </tr>\n' % \
(quote(subdir), cgi.escape(subdir))
for item in listing:
if 'name' in item:
name = item['name'].encode("utf-8")
if prefix:
name = name[len(prefix):]
content_type = item['content_type'].encode("utf-8")
bytes = human_readable(item['bytes'])
last_modified = (
cgi.escape(item['last_modified'].encode("utf-8")).
split('.')[0].replace('T', ' '))
body += ' <tr class="item %s">\n' \
' <td class="colname"><a href="%s">%s</a></td>\n' \
' <td class="colsize">%s</td>\n' \
' <td class="coldate">%s</td>\n' \
' </tr>\n' % \
(' '.join('type-' + cgi.escape(t.lower(), quote=True)
for t in content_type.split('/')),
quote(name), cgi.escape(name),
bytes, last_modified)
body += ' </table>\n' \
' </body>\n' \
'</html>\n'
resp = Response(headers=headers, body=body)
return resp(env, start_response)