Whitespace~

app.rb

@@ -11,14 +11,14 @@ class Application < Sinatra::Base
     AVATAR_PATH = File.expand_path(File.join(File.dirname(__FILE__), 'avatars'))
     AVATAR_DEFAULT = File.join(AVATAR_PATH, 'default.png')
     AVATAR_ORIGINAL_PATH = File.join(AVATAR_PATH, 'original')
-    
+
     helpers do
       def recent limit=10
         seen = []
         File.new(File.join(AVATAR_PATH, 'recent.log'), 'r').each do |email_md5|
           email_md5.strip!
           unless seen.include? email_md5
-            yield email_md5 
+            yield email_md5
             seen << email_md5
             limit -= 1
             break if limit < 1
@@ -27,23 +27,23 @@ def recent limit=10
       rescue Errno::ENOENT
       end
     end
-    
+
     get '/' do
       haml :home
     end
-    
+
     post '/upload' do
       email = params[:email].strip.downcase
       halt 401 unless email.present? && email =~ /\A\S+@\S+\.\S{2,}\Z/
-      
+
       # What are we naming this image?
       email_md5 = Digest::MD5.hexdigest(email).downcase
-      
+
       # Load up the image
       avatar = Magick::Image::read(params[:avatar][:tempfile].path).first
       halt 401 unless avatar.filesize <= 1024*1024
       avatar.resize_to_fit! 512
-      
+
       # Save the original for later resizing
       avatar_filename = File.join(AVATAR_ORIGINAL_PATH, email_md5)
       avatar.write avatar_filename
@@ -53,52 +53,52 @@ def recent limit=10
       Dir.mkdir(File.join(AVATAR_PATH, size.to_s)) unless File.exists? File.join(AVATAR_PATH, size.to_s)
       avatar_thumbnail_filename = File.join(AVATAR_PATH, size.to_s, "#{email_md5}.#{avatar.format.downcase}")
       avatar.write avatar_thumbnail_filename
-      
+
       # Keep track of recent avatars
       recent = File.new(File.join(AVATAR_PATH, 'recent.log'), 'a')
       recent.sync = true
       recent << "#{email_md5}\n"
-      
+
       redirect '/'
     end
-    
+
     get %r{\A/avatar/([a-zA-Z0-9\-_]{32})(?:.(png|jpg|jpeg|gif))?\Z} do |email_md5, format|
       email_md5.downcase!
       format = (format || "png").downcase.to_sym
       format = :jpeg if format == :jpg
       size = (params[:s] || params[:size] || 80).to_i
-      
+
       halt 401, {}, ["Size invalid"] unless 1 <= size && size <= 512
-      
+
       avatar_filename = File.join(AVATAR_ORIGINAL_PATH, email_md5)
       unless File.exists? avatar_filename
         email_md5 = 'default'
         avatar_filename = AVATAR_DEFAULT
       end
-      
+
       avatar_thumbnail_filename = File.join(AVATAR_PATH, size.to_s, "#{email_md5}.#{format}")
       if !File.exists?(avatar_thumbnail_filename) || File.stat(avatar_thumbnail_filename).mtime <= File.stat(avatar_filename).mtime
         avatar = Magick::Image::read(avatar_filename).first
         avatar_thumbnail = avatar.resize_to_fit size
         Dir.mkdir File.join(AVATAR_PATH, size.to_s) unless File.exists? File.join(AVATAR_PATH, size.to_s)
         avatar_thumbnail.write avatar_thumbnail_filename
       end
-      
+
       send_file avatar_thumbnail_filename, :disposition => "inline"
     end
-    
+
     get %r{\A/avatar/(\S+?@\S+?\.\S{2,}?)(\.(?:png|jpg|jpeg|gif))?\Z} do |email, format_suffix|
       email = email.strip.downcase
       email_md5 = Digest::MD5.hexdigest(email).downcase
-      
+
       redirect "/avatar/#{email_md5}#{format_suffix}"
     end
-    
+
     get '/gravatar.php' do
       query = request.GET.dup
       email_md5 = query.delete('gravatar_id').downcase
       halt 400, {}, ['Invalid gravatar ID'] unless email_md5.present? && email_md5 =~ /\A[a-f0-9]{32}\Z/
-      
+
       redirect "/avatar/#{email_md5}?#{Rack::Utils.build_query(query)}"
     end
   end