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From c52e1b7388c17466a551391cdf81964bf0b7aef0 Mon Sep 17 00:00:00 2001
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From: ThiefMaster <adrian@planetcoding.net>
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Date: Thu, 23 Nov 2017 10:32:13 +0100
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Subject: [PATCH 2/3] Fix ValueError for some invalid Range requests
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fixes #2526
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---
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CHANGES | 8 ++++++++
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flask/helpers.py | 3 ++-
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tests/test_helpers.py | 21 ++++++++++++++++++++-
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3 files changed, 30 insertions(+), 2 deletions(-)
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diff --git a/CHANGES b/CHANGES
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index 3456276a..b32b98cb 100644
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--- a/CHANGES
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+++ b/CHANGES
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@@ -15,6 +15,14 @@ Major release, unreleased
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method returns compressed response by default, and pretty response in
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debug mode.
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+Version 0.12.3
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+--------------
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+
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+Bugfix release, unreleased
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+
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+- Fix a ValueError caused by invalid Range requests in some cases
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+
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+
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Version 0.12.2
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--------------
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diff --git a/flask/helpers.py b/flask/helpers.py
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index 4bb1d1c9..caaad9a3 100644
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--- a/flask/helpers.py
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+++ b/flask/helpers.py
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@@ -591,7 +591,8 @@ def send_file(filename_or_fp, mimetype=None, as_attachment=False,
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rv = rv.make_conditional(request, accept_ranges=True,
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complete_length=fsize)
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except RequestedRangeNotSatisfiable:
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- file.close()
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+ if file is not None:
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+ file.close()
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raise
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else:
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rv = rv.make_conditional(request)
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diff --git a/tests/test_helpers.py b/tests/test_helpers.py
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index 9320ef71..69350751 100644
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--- a/tests/test_helpers.py
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+++ b/tests/test_helpers.py
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@@ -468,7 +468,7 @@ class TestSendfile(object):
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@pytest.mark.skipif(
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not callable(getattr(Range, 'to_content_range_header', None)),
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- reason="not implement within werkzeug"
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+ reason="not implemented within werkzeug"
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)
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def test_send_file_range_request(self):
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app = flask.Flask(__name__)
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@@ -529,6 +529,25 @@ class TestSendfile(object):
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assert rv.status_code == 200
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rv.close()
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+ @pytest.mark.skipif(
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+ not callable(getattr(Range, 'to_content_range_header', None)),
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+ reason="not implemented within werkzeug"
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+ )
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+ def test_send_file_range_request_xsendfile_invalid(self):
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+ # https://github.com/pallets/flask/issues/2526
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+ app = flask.Flask(__name__)
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+ app.use_x_sendfile = True
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+
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+ @app.route('/')
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+ def index():
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+ return flask.send_file('static/index.html', conditional=True)
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+
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+ c = app.test_client()
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+
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+ rv = c.get('/', headers={'Range': 'bytes=1000-'})
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+ assert rv.status_code == 416
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+ rv.close()
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+
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def test_attachment(self):
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app = flask.Flask(__name__)
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with app.test_request_context():
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--
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2.21.0
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