Store avatars as binary instead of base64

app/services/ldap_manager/fetch_avatar.rb

@@ -5,12 +5,12 @@ module LdapManager
     end
 
     def call
-      treebase   = ldap_config["base"]
+      treebase = ldap_config["base"]
       attributes = %w{ jpegPhoto }
-      filter     = Net::LDAP::Filter.eq("cn", @cn)
+      filter = Net::LDAP::Filter.eq("cn", @cn)
 
       entry = client.search(base: treebase, filter: filter, attributes: attributes).first
-      entry.try(:jpegPhoto) ? entry.jpegPhoto.first : nil
+      entry&.jpegPhoto ? entry.jpegPhoto.first : nil
     end
   end
 end

app/services/ldap_manager/update_avatar.rb

@@ -8,20 +8,20 @@ module LdapManager
     end
 
     def call
-      replace_attribute @dn, :jpegPhoto, @img_data
+      result = replace_attribute @dn, :jpegPhoto, @img_data
+      result
     end
 
     private
 
     def process(file)
       processed = ImageProcessing::Vips
-        .resize_to_fill(512, 512)
+        .resize_to_fill(256, 256)
         .source(file)
         .convert("jpeg")
         .saver(strip: true)
         .call
-
-      Base64.strict_encode64 processed.read
+      processed.read
     end
   end
 end