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Fixed #5887 -- Consolidated some duplicate code in SafeMIMEText and SafeMIMEMultipart. Thanks, Carl Karsten 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6987 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2008-01-02 05:29:10 +00:00
parent f6336737a0
commit 1264bcf8b0
1 changed files with 7 additions and 17 deletions
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24
django/core/mail.py
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@ -67,8 +67,7 @@ def make_msgid(idstring=None):
class BadHeaderError(ValueError):
pass
class SafeMIMEText(MIMEText):
def __setitem__(self, name, val):
def forbid_multi_line_headers(name, val):
"Forbids multi-line headers, to prevent header injection."
if '\n' in val or '\r' in val:
raise BadHeaderError, "Header values can't contain newlines (got %r for header %r)" % (val, name)
@ -84,25 +83,16 @@ class SafeMIMEText(MIMEText):
val = ', '.join(result)
else:
val = Header(force_unicode(val), settings.DEFAULT_CHARSET)
return (name, val)
class SafeMIMEText(MIMEText):
def __setitem__(self, name, val):
name, val = forbid_multi_line_headers(name, val)
MIMEText.__setitem__(self, name, val)
class SafeMIMEMultipart(MIMEMultipart):
def __setitem__(self, name, val):
"Forbids multi-line headers, to prevent header injection."
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 = force_unicode(val).encode('ascii')
except UnicodeEncodeError:
if name.lower() in ('to', 'from', 'cc'):
result = []
for item in val.split(', '):
nm, addr = parseaddr(item)
nm = str(Header(nm, settings.DEFAULT_CHARSET))
result.append(formataddr((nm, str(addr))))
val = ', '.join(result)
else:
val = Header(force_unicode(val), settings.DEFAULT_CHARSET)
name, val = forbid_multi_line_headers(name, val)
MIMEMultipart.__setitem__(self, name, val)
class SMTPConnection(object):