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fix les browsers anonymes
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from django.utils.encoding import iri_to_uri | |
import base64 | |
def __get_content_disposition(request, nom_fichier): | |
""" | |
Permet de générer la bonne chaine de caractère, selon le navigateur représentant le nom du fichier | |
""" | |
if 'HTTP_USER_AGENT' in inRequest.META and ("Firefox/" in inRequest.META['HTTP_USER_AGENT'] or "Chrome/" in inRequest.META['HTTP_USER_AGENT']): | |
# FF et Chrome: aiment le format base64 splitté en petits blocs | |
# attachment; filename="=?UTF-8?B?VW4gZmljaGllciBzcMOpY2lhbCBhdmVjIGFjY2VudCBtYWlzIA==?= =?UTF-8?B?YXZlYyB1biB0csOocyBsb25nIG5vbSBkZSBmaWNoaWVyLnR4dA==?=" | |
chunkSize = 30 | |
chunks = [nom_fichier[i:i+chunkSize] for i in range(0, len(nom_fichier), chunkSize)] | |
nom_b64 = "" | |
for chunk in chunks: | |
nom_b64 += "=?UTF-8?B?" + base64.urlsafe_b64encode(chunk.encode("utf-8")) + "?= " | |
return 'attachment; filename="%s"' % nom_b64 | |
else: | |
# IE9 et les autres: préfèrent format URL Encode | |
# attachment; filename="Un%20fichier%20sp%C3%A9cial%20avec%20accent%20mais%20avec%20un%20tr%C3%A8s%20long%20nom%20de%20fichier.txt" | |
return 'attachment; filename="%s"' % iri_to_uri(nom_fichier) |
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