def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
python类DEFAULT_CHARSET的实例源码
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding)
for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def parse(self, stream, media_type=None, parser_context=None):
"""
Parses the incoming bytestream as a multipart encoded form,
and returns a DataAndFiles object.
`.data` will be a `QueryDict` containing all the form parameters.
`.files` will be a `QueryDict` containing all the form files.
"""
parser_context = parser_context or {}
request = parser_context['request']
encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET)
meta = request.META.copy()
meta['CONTENT_TYPE'] = media_type
upload_handlers = request.upload_handlers
try:
parser = DjangoMultiPartParser(meta, stream, upload_handlers, encoding)
data, files = parser.parse()
return DataAndFiles(data, files)
except MultiPartParserError as exc:
raise ParseError('Multipart form parse error - %s' % six.text_type(exc))
def __init__(self, request, parsers=None, authenticators=None,
negotiator=None, parser_context=None):
self._request = request
self.parsers = parsers or ()
self.authenticators = authenticators or ()
self.negotiator = negotiator or self._default_negotiator()
self.parser_context = parser_context
self._data = Empty
self._files = Empty
self._full_data = Empty
self._content_type = Empty
self._stream = Empty
if self.parser_context is None:
self.parser_context = {}
self.parser_context['request'] = self
self.parser_context['encoding'] = request.encoding or settings.DEFAULT_CHARSET
force_user = getattr(request, '_force_auth_user', None)
force_token = getattr(request, '_force_auth_token', None)
if force_user is not None or force_token is not None:
forced_auth = ForcedAuthentication(force_user, force_token)
self.authenticators = (forced_auth,)
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding)
for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(self.to))
if self.cc:
msg['Cc'] = ', '.join(self.cc)
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(self.reply_to))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def render_to_response(request, template_name, data=None, mimetype=None):
if mimetype is None:
mimetype = settings.DEFAULT_CONTENT_TYPE
original_mimetype = mimetype
if mimetype == 'application/xhtml+xml':
# Internet Explorer only understands XHTML if it's served as text/html
if request.META.get('HTTP_ACCEPT').find(mimetype) == -1:
mimetype = 'text/html'
response = HttpResponse(render_to_string(request, template_name, data),
content_type='%s; charset=%s' % (mimetype, settings.DEFAULT_CHARSET))
if original_mimetype == 'application/xhtml+xml':
# Since XHTML is served with two different MIME types, depending on the
# browser, we need to tell proxies to serve different versions.
from django.utils.cache import patch_vary_headers
patch_vary_headers(response, ['User-Agent'])
return response
def parse(self, stream, media_type=None, parser_context=None):
"""
Parses the incoming bytestream as a multipart encoded form,
and returns a DataAndFiles object.
`.data` will be a `QueryDict` containing all the form parameters.
`.files` will be a `QueryDict` containing all the form files.
"""
parser_context = parser_context or {}
request = parser_context['request']
encoding = parser_context.get('encoding', settings.DEFAULT_CHARSET)
meta = request.META.copy()
meta['CONTENT_TYPE'] = media_type
upload_handlers = request.upload_handlers
try:
parser = DjangoMultiPartParser(meta, stream, upload_handlers, encoding)
data, files = parser.parse()
return DataAndFiles(data, files)
except MultiPartParserError as exc:
raise ParseError('Multipart form parse error - %s' % six.text_type(exc))
def __init__(self, request, parsers=None, authenticators=None,
negotiator=None, parser_context=None):
self._request = request
self.parsers = parsers or ()
self.authenticators = authenticators or ()
self.negotiator = negotiator or self._default_negotiator()
self.parser_context = parser_context
self._data = Empty
self._files = Empty
self._full_data = Empty
self._content_type = Empty
self._stream = Empty
if self.parser_context is None:
self.parser_context = {}
self.parser_context['request'] = self
self.parser_context['encoding'] = request.encoding or settings.DEFAULT_CHARSET
force_user = getattr(request, '_force_auth_user', None)
force_token = getattr(request, '_force_auth_token', None)
if (force_user is not None or force_token is not None):
forced_auth = ForcedAuthentication(force_user, force_token)
self.authenticators = (forced_auth,)
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding)
for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding)
for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding)
for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(self.to))
if self.cc:
msg['Cc'] = ', '.join(self.cc)
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(self.reply_to))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding)
for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(self.to))
if self.cc:
msg['Cc'] = ', '.join(self.cc)
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(self.reply_to))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def __init__(self, request, parsers=(), authenticators=(), negotiator=DefaultContentNegotiation,
parser_context=None):
self._request = request
self.parsers = parsers
self.authenticators = authenticators
self.negotiator = negotiator
self.parser_context = parser_context
self._data = Empty
self._files = Empty
self._full_data = Empty
self._content_type = Empty
self._stream = Empty
if self.parser_context is None:
self.parser_context = {}
self.parser_context['request'] = self
self.parser_context['encoding'] = request.encoding or settings.DEFAULT_CHARSET
force_user = getattr(request, '_force_auth_user', None)
force_token = getattr(request, '_force_auth_token', None)
if force_user is not None or force_token is not None:
forced_auth = ForcedAuthentication(force_user, force_token)
self.authenticators = (forced_auth,)
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def encode_file(boundary, key, file):
def to_bytes(s):
return force_bytes(s, settings.DEFAULT_CHARSET)
filename = os.path.basename(file.name) if hasattr(file, 'name') else ''
if hasattr(file, 'content_type'):
content_type = file.content_type
elif filename:
content_type = mimetypes.guess_type(filename)[0]
else:
content_type = None
if content_type is None:
content_type = 'application/octet-stream'
if not filename:
filename = key
return [
to_bytes('--%s' % boundary),
to_bytes('Content-Disposition: form-data; name="%s"; filename="%s"'
% (key, filename)),
to_bytes('Content-Type: %s' % content_type),
b'',
to_bytes(file.read())
]
def forbid_multi_line_headers(name, val, encoding):
"""Forbids multi-line headers, to prevent header injection."""
encoding = encoding or settings.DEFAULT_CHARSET
val = force_text(val)
if '\n' in val or '\r' in val:
raise BadHeaderError("Header values can't contain newlines (got %r for header %r)" % (val, name))
try:
val.encode('ascii')
except UnicodeEncodeError:
if name.lower() in ADDRESS_HEADERS:
val = ', '.join(sanitize_address(addr, encoding) for addr in getaddresses((val,)))
else:
val = Header(val, encoding).encode()
else:
if name.lower() == 'subject':
val = Header(val).encode()
return str(name), val
def message(self):
encoding = self.encoding or settings.DEFAULT_CHARSET
msg = SafeMIMEText(self.body, self.content_subtype, encoding)
msg = self._create_message(msg)
msg['Subject'] = self.subject
msg['From'] = self.extra_headers.get('From', self.from_email)
msg['To'] = self.extra_headers.get('To', ', '.join(map(force_text, self.to)))
if self.cc:
msg['Cc'] = ', '.join(map(force_text, self.cc))
if self.reply_to:
msg['Reply-To'] = self.extra_headers.get('Reply-To', ', '.join(map(force_text, self.reply_to)))
# Email header names are case-insensitive (RFC 2045), so we have to
# accommodate that when doing comparisons.
header_names = [key.lower() for key in self.extra_headers]
if 'date' not in header_names:
msg['Date'] = formatdate()
if 'message-id' not in header_names:
# Use cached DNS_NAME for performance
msg['Message-ID'] = make_msgid(domain=DNS_NAME)
for name, value in self.extra_headers.items():
if name.lower() in ('from', 'to'): # From and To are already handled
continue
msg[name] = value
return msg