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Changes to font MIME-types based on IANA's new (ca. 2017) "font" type. #189

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Changes to font MIME-types based on IANA's new (ca. 2017) "font" type. #189

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16 changes: 12 additions & 4 deletions images.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,10 +15,18 @@ def addURIPrefix(text, mimeType):
elif mimeType == 'svg':
mimeType += "+xml"
mimeType = "image/" + mimeType
elif mimeType in 'woff|woff2':
mimeType = "application/font-" + mimeType
elif mimeType in 'ttf|otf':
mimeType = "application/font-sfnt"
elif mimeType in 'otf|ttf|woff|woff2':
# (ca. 2017) The IANA deprecated the various font subtypes of the
# "application" type in favor of the new "font" type. While the
# standards were new at that point, many browsers had long accepted
# such media types due to existing use in the wild�erroneous at
# that point or not�so they're safe to use even considering older
# browsers.
# otf : application/font-sfnt -> font/otf
# ttf : application/font-sfnt -> font/ttf
# woff : application/font-woff -> font/woff
# woff2 : application/font-woff2 -> font/woff2
mimeType = "font/" + mimeType
else:
mimeType = "application/octet-stream"

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