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-rw-r--r--wkhtmltopdf/tests.py42
-rw-r--r--wkhtmltopdf/utils.py30
-rw-r--r--wkhtmltopdf/views.py16
3 files changed, 82 insertions, 6 deletions
diff --git a/wkhtmltopdf/tests.py b/wkhtmltopdf/tests.py
index 5f90c33..6b49378 100644
--- a/wkhtmltopdf/tests.py
+++ b/wkhtmltopdf/tests.py
@@ -10,7 +10,7 @@ from django.test import TestCase
from .subprocess import CalledProcessError
from .utils import _options_to_args, template_to_temp_file, wkhtmltopdf
-from .views import PdfResponse, PdfTemplateView
+from .views import PDFResponse, PdfResponse, PdfTemplateView
class TestUtils(TestCase):
@@ -69,7 +69,47 @@ class TestUtils(TestCase):
class TestViews(TestCase):
+ def test_pdf_response(self):
+ """Should generate the correct HttpResonse object and mimetype"""
+ # 404
+ response = PDFResponse(content='', status=404)
+ self.assertEqual(response.status_code, 404)
+ self.assertEqual(response.content, '')
+ self.assertEqual(response['Content-Type'], 'application/pdf')
+ self.assertFalse(response.has_header('Content-Disposition'))
+
+ content = '%PDF-1.4\n%%EOF'
+ # Without filename
+ response = PDFResponse(content=content)
+ self.assertEqual(response.status_code, 200)
+ self.assertEqual(response.content, content)
+ self.assertEqual(response['Content-Type'], 'application/pdf')
+ self.assertFalse(response.has_header('Content-Disposition'))
+
+ # With filename
+ response = PDFResponse(content=content, filename="nospace.pdf")
+ self.assertEqual(response['Content-Disposition'],
+ 'attachment; filename="nospace.pdf"')
+ response = PDFResponse(content=content, filename="one space.pdf")
+ self.assertEqual(response['Content-Disposition'],
+ 'attachment; filename="one space.pdf"')
+ response = PDFResponse(content=content, filename="4'5\".pdf")
+ self.assertEqual(response['Content-Disposition'],
+ 'attachment; filename="4\'5.pdf"')
+ response = PDFResponse(content=content, filename=u"♥.pdf")
+ self.assertEqual(response['Content-Disposition'],
+ 'attachment; filename="?.pdf"')
+
+ # Content-Type
+ response = PDFResponse(content=content,
+ content_type='application/x-pdf')
+ self.assertEqual(response['Content-Type'], 'application/x-pdf')
+ response = PDFResponse(content=content,
+ mimetype='application/x-pdf')
+ self.assertEqual(response['Content-Type'], 'application/x-pdf')
+
def test_deprecated(self):
+ """Should warn when using deprecated views."""
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('always')
PdfTemplateView()
diff --git a/wkhtmltopdf/utils.py b/wkhtmltopdf/utils.py
index 7fe432a..fb8f0aa 100644
--- a/wkhtmltopdf/utils.py
+++ b/wkhtmltopdf/utils.py
@@ -81,3 +81,33 @@ def template_to_temp_file(template_name, dictionary=None, context_instance=None)
f.write(smart_str(loader.render_to_string(template_name, dictionary=dictionary, context_instance=context_instance)))
return tempfile_path
+
+def content_disposition_filename(filename):
+ """
+ Sanitize a file name to be used in the Content-Disposition HTTP
+ header.
+
+ Even if the standard is quite permissive in terms of
+ characters, there are a lot of edge cases that are not supported by
+ different browsers.
+
+ See http://greenbytes.de/tech/tc2231/#attmultinstances for more details.
+ """
+ filename = filename.replace(';', '').replace('"', '')
+ return http_quote(filename)
+
+
+def http_quote(string):
+ """
+ Given a unicode string, will do its dandiest to give you back a
+ valid ascii charset string you can use in, say, http headers and the
+ like.
+ """
+ if isinstance(string, unicode):
+ try:
+ import unidecode
+ string = unidecode.unidecode(string)
+ except ImportError:
+ string = string.encode('ascii', 'replace')
+ # Wrap in double-quotes for ; , and the like
+ return '"{!s}"'.format(string.replace('\\', '\\\\').replace('"', '\\"'))
diff --git a/wkhtmltopdf/views.py b/wkhtmltopdf/views.py
index 8da86f5..539a669 100644
--- a/wkhtmltopdf/views.py
+++ b/wkhtmltopdf/views.py
@@ -1,3 +1,5 @@
+from __future__ import absolute_import
+
import os
from re import compile
import warnings
@@ -8,23 +10,27 @@ from django.template.context import RequestContext
from django.template.response import HttpResponse
from django.views.generic import TemplateView
-from wkhtmltopdf.utils import template_to_temp_file, wkhtmltopdf
+from .utils import (content_disposition_filename,
+ template_to_temp_file, wkhtmltopdf)
class PDFResponse(HttpResponse):
- def __init__(self, content, *args, **kwargs):
+ def __init__(self, content, mimetype=None, status=200,
+ content_type='application/pdf', *args, **kwargs):
filename = kwargs.pop('filename', None)
- super(PDFResponse, self).__init__(content, 'application/pdf', *args, **kwargs)
+ super(PDFResponse, self).__init__(content, mimetype, status,
+ content_type, *args, **kwargs)
if filename:
+ filename = content_disposition_filename(filename)
header_content = 'attachment; filename={0}'.format(filename)
- self.__setitem__('Content-Disposition', header_content)
+ self['Content-Disposition'] = header_content
class PdfResponse(PDFResponse):
def __init__(self, content, filename):
warnings.warn('PdfResponse is deprecated in favour of PDFResponse. It will be removed in version 1.',
PendingDeprecationWarning, 2)
- super(PdfResponse, self).__init__(content, filename)
+ super(PdfResponse, self).__init__(content, filename=filename)
class PDFTemplateView(TemplateView):