33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
# GNU MediaGoblin -- federated, autonomous media hosting
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# Copyright (C) 2011 Free Software Foundation, Inc
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from mimetypes import guess_type
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from Image import open as image_open
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ALLOWED = ['image/jpeg', 'image/png', 'image/tiff', 'image/gif']
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def check_filetype(posted_file):
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if not guess_type(posted_file.filename) in ALLOWED:
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return False
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try:
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image = image_open(posted_file.file)
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except IOError:
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return False
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return True
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