diff --git a/Dockerfile b/Dockerfile
index 0cdc29a..712c69a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,7 +4,7 @@ ENV PYTHONUNBUFFERED 1
 ENV DJANGO_ALLOW_ASYNC_UNSAFE 1
 
 # Install LaTeX requirements
-RUN apk add --no-cache gettext texlive nginx gcc libc-dev libffi-dev postgresql-dev
+RUN apk add --no-cache gettext texlive nginx gcc libc-dev libffi-dev postgresql-dev libmagic
 
 RUN apk add --no-cache bash
 
diff --git a/apps/registration/forms.py b/apps/registration/forms.py
index 3282cd7..75a25e3 100644
--- a/apps/registration/forms.py
+++ b/apps/registration/forms.py
@@ -2,6 +2,7 @@ from django import forms
 from django.contrib.auth.forms import UserCreationForm
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
+from django.forms import FileInput
 from django.utils.translation import gettext_lazy as _
 
 from .models import AdminRegistration, CoachRegistration, StudentRegistration
@@ -52,6 +53,10 @@ class PhotoAuthorizationForm(forms.ModelForm):
             raise ValidationError(_("The uploaded file must be a PDF, PNG of JPEG file."))
         return self.cleaned_data["photo_authorization"]
 
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.fields["photo_authorization"].widget = FileInput()
+
     class Meta:
         model = StudentRegistration
         fields = ('photo_authorization',)
diff --git a/apps/registration/models.py b/apps/registration/models.py
index fa584df..e5fa3da 100644
--- a/apps/registration/models.py
+++ b/apps/registration/models.py
@@ -1,3 +1,5 @@
+from django.core.exceptions import ValidationError
+
 from corres2math.tokens import email_validation_token
 from django.contrib.sites.models import Site
 from django.db import models
@@ -68,7 +70,7 @@ class Registration(PolymorphicModel):
 
 
 def get_random_filename(instance, filename):
-    return get_random_string(64)
+    return "authorization/photo/" + get_random_string(64)
 
 
 class StudentRegistration(Registration):
diff --git a/apps/registration/views.py b/apps/registration/views.py
index 103c9c1..4877427 100644
--- a/apps/registration/views.py
+++ b/apps/registration/views.py
@@ -1,3 +1,10 @@
+import mimetypes
+import os
+
+from django.http import Http404, HttpResponse, FileResponse
+from django.views.generic.base import View
+from magic import Magic
+
 from corres2math.tokens import email_validation_token
 from django.conf import settings
 from django.contrib.auth.mixins import LoginRequiredMixin
@@ -164,5 +171,26 @@ class UserUploadPhotoAuthorizationView(LoginRequiredMixin, UpdateView):
     form_class = PhotoAuthorizationForm
     template_name = "registration/upload_photo_authorization.html"
 
+    @transaction.atomic
+    def form_valid(self, form):
+        old_instance = StudentRegistration.objects.get(pk=self.object.pk)
+        if old_instance.photo_authorization:
+            old_instance.photo_authorization.delete()
+        return super().form_valid(form)
+
     def get_success_url(self):
         return reverse_lazy("registration:user_detail", args=(self.object.user.pk,))
+
+
+class PhotoAuthorizationView(LoginRequiredMixin, View):
+    def get(self, request, *args, **kwargs):
+        filename = kwargs["filename"]
+        path = f"media/authorization/photo/{filename}"
+        if not os.path.exists(path):
+            raise Http404
+        student = StudentRegistration.objects.get(photo_authorization__endswith=filename)
+        mime = Magic(mime=True)
+        mime_type = mime.from_file(path)
+        ext = mime_type.split("/")[1].replace("jpeg", "jpg")
+        true_file_name = _("Photo authorization of {student}.{ext}").format(student=str(student), ext=ext)
+        return FileResponse(open(path, "rb"), content_type=mime_type, filename=true_file_name)
diff --git a/corres2math/urls.py b/corres2math/urls.py
index 0aca2ec..63efe76 100644
--- a/corres2math/urls.py
+++ b/corres2math/urls.py
@@ -18,8 +18,7 @@ from django.contrib import admin
 from django.urls import path, include
 from django.views.defaults import bad_request, permission_denied, page_not_found, server_error
 from django.views.generic import TemplateView
-
-from corres2math import settings
+from registration.views import PhotoAuthorizationView
 
 urlpatterns = [
     path('', TemplateView.as_view(template_name="index.html"), name='index'),
@@ -32,12 +31,11 @@ urlpatterns = [
     path('participation/', include('participation.urls')),
     path('registration/', include('registration.urls')),
 
+    path('media/authorization/photo/<str:filename>/', PhotoAuthorizationView.as_view(), name='photo_authorization'),
+
     path('', include('eastereggs.urls')),
 ]
 
-# FIXME Protect files
-urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)
-
 handler400 = bad_request
 handler403 = permission_denied
 handler404 = page_not_found
diff --git a/locale/fr/LC_MESSAGES/django.po b/locale/fr/LC_MESSAGES/django.po
index 6e404c8..959680f 100644
--- a/locale/fr/LC_MESSAGES/django.po
+++ b/locale/fr/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Corres2math\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2020-09-27 11:18+0200\n"
+"POT-Creation-Date: 2020-09-27 12:35+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: Yohann D'ANELLO <yohann.danello@animath.fr>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -38,7 +38,7 @@ msgstr "Fermer"
 msgid "Logs"
 msgstr "Logs"
 
-#: apps/logs/models.py:22 apps/registration/models.py:16
+#: apps/logs/models.py:22 apps/registration/models.py:18
 msgid "user"
 msgstr "utilisateur"
 
@@ -141,7 +141,7 @@ msgid "Team {name} ({trigram})"
 msgstr "Équipe {name} ({trigram})"
 
 #: apps/participation/models.py:45 apps/participation/models.py:56
-#: apps/registration/models.py:81 apps/registration/models.py:127
+#: apps/registration/models.py:83 apps/registration/models.py:129
 msgid "team"
 msgstr "équipe"
 
@@ -302,104 +302,104 @@ msgstr "Vous n'êtes pas dans une équipe."
 msgid "You don't participate, so you don't have any team."
 msgstr "Vous ne participez pas, vous n'avez donc pas d'équipe."
 
-#: apps/registration/forms.py:12
+#: apps/registration/forms.py:13
 msgid "role"
 msgstr "rôle"
 
-#: apps/registration/forms.py:14
+#: apps/registration/forms.py:15
 msgid "participant"
 msgstr "participant"
 
-#: apps/registration/forms.py:15 apps/registration/models.py:136
+#: apps/registration/forms.py:16 apps/registration/models.py:138
 msgid "coach"
 msgstr "encadrant"
 
-#: apps/registration/forms.py:52
+#: apps/registration/forms.py:53
 msgid "The uploaded file must be a PDF, PNG of JPEG file."
 msgstr "Le fichier envoyé doit être au format PDF, PNG ou JPEG."
 
-#: apps/registration/models.py:21
+#: apps/registration/models.py:23
 msgid "Grant Animath to contact me in the future about other actions"
 msgstr ""
 "Autoriser Animath à me recontacter à l'avenir à propos d'autres actions"
 
-#: apps/registration/models.py:26
+#: apps/registration/models.py:28
 msgid "email confirmed"
 msgstr "email confirmé"
 
-#: apps/registration/models.py:30
+#: apps/registration/models.py:32
 msgid "Activate your Correspondances account"
 msgstr "Activez votre compte des Correspondances"
 
-#: apps/registration/models.py:66
+#: apps/registration/models.py:68
 msgid "registration"
 msgstr "inscription"
 
-#: apps/registration/models.py:67
+#: apps/registration/models.py:69
 msgid "registrations"
 msgstr "inscriptions"
 
-#: apps/registration/models.py:86
+#: apps/registration/models.py:88
 msgid "12th grade"
 msgstr "Terminale"
 
-#: apps/registration/models.py:87
+#: apps/registration/models.py:89
 msgid "11th grade"
 msgstr "Première"
 
-#: apps/registration/models.py:88
+#: apps/registration/models.py:90
 msgid "10th grade or lower"
 msgstr "Seconde ou inférieur"
 
-#: apps/registration/models.py:90
+#: apps/registration/models.py:92
 msgid "student class"
 msgstr "classe"
 
-#: apps/registration/models.py:95
+#: apps/registration/models.py:97
 msgid "school"
 msgstr "école"
 
-#: apps/registration/models.py:100
+#: apps/registration/models.py:102
 msgid "photo authorization"
 msgstr "autorisation de droit à l'image"
 
-#: apps/registration/models.py:108
+#: apps/registration/models.py:110
 msgid "student"
 msgstr "étudiant"
 
-#: apps/registration/models.py:116
+#: apps/registration/models.py:118
 msgid "student registration"
 msgstr "inscription d'élève"
 
-#: apps/registration/models.py:117
+#: apps/registration/models.py:119
 msgid "student registrations"
 msgstr "inscriptions d'élève"
 
-#: apps/registration/models.py:131
+#: apps/registration/models.py:133
 msgid "professional activity"
 msgstr "activité professionnelle"
 
-#: apps/registration/models.py:144
+#: apps/registration/models.py:146
 msgid "coach registration"
 msgstr "inscription d'encadrant"
 
-#: apps/registration/models.py:145
+#: apps/registration/models.py:147
 msgid "coach registrations"
 msgstr "inscriptions d'encadrants"
 
-#: apps/registration/models.py:150
+#: apps/registration/models.py:152
 msgid "role of the administrator"
 msgstr "rôle de l'administrateur"
 
-#: apps/registration/models.py:155
+#: apps/registration/models.py:157
 msgid "admin"
 msgstr "admin"
 
-#: apps/registration/models.py:163
+#: apps/registration/models.py:165
 msgid "admin registration"
 msgstr "inscription d'administrateur"
 
-#: apps/registration/models.py:164
+#: apps/registration/models.py:166
 msgid "admin registrations"
 msgstr "inscriptions d'administrateur"
 
@@ -635,26 +635,31 @@ msgstr "Modifier l'utilisateur"
 msgid "Upload photo authorization"
 msgstr "Téléverser l'autorisation de droit à l'image"
 
-#: apps/registration/views.py:56
+#: apps/registration/views.py:63
 msgid "Email validation"
 msgstr "Validation de l'adresse mail"
 
-#: apps/registration/views.py:58
+#: apps/registration/views.py:65
 msgid "Validate email"
 msgstr "Valider l'adresse mail"
 
-#: apps/registration/views.py:97
+#: apps/registration/views.py:104
 msgid "Email validation unsuccessful"
 msgstr "Échec de la validation de l'adresse mail"
 
-#: apps/registration/views.py:108
+#: apps/registration/views.py:115
 msgid "Email validation email sent"
 msgstr "Mail de confirmation de l'adresse mail envoyé"
 
-#: apps/registration/views.py:116
+#: apps/registration/views.py:123
 msgid "Resend email validation link"
 msgstr "Renvoyé le lien de validation de l'adresse mail"
 
+#: apps/registration/views.py:195
+#, python-brace-format
+msgid "Photo authorization of {student}.{ext}"
+msgstr "Autorisation de droit à l'image de {student}.{ext}"
+
 #: corres2math/settings.py:150
 msgid "English"
 msgstr "Anglais"
diff --git a/requirements.txt b/requirements.txt
index adbb301..8e2482a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,5 @@ django-tables2
 djangorestframework
 django-rest-polymorphic
 ptpython
+python-magic
 gunicorn
\ No newline at end of file