Increase max length of simple_captcha to 12

config/diaspora.yml.example

@@ -289,7 +289,7 @@ configuration: ## Section
       ## Captcha image size (default='120x20')
       #image_size: '120x20'
 
-      ## Length of captcha text (default=5)
+      ## Length of captcha text (default=5)(max=12)
       #captcha_length: 5
 
       ## Captcha image style (default='simply_green')

config/initializers/setup_simple_captcha.rb

@@ -1,6 +1,11 @@
 SimpleCaptcha.setup do |sc|
   sc.image_size = AppConfig.settings.captcha.image_size
-  sc.length = AppConfig.settings.captcha.captcha_length.to_i
+  value_length = AppConfig.settings.captcha.captcha_length.to_i
+  if value_length <= 12 && value_length > 0 
+    sc.length = value_length
+  else
+    sc.length = 5
+  end
   sc.image_style = AppConfig.settings.captcha.image_style
   sc.distortion = AppConfig.settings.captcha.distortion
   p AppConfig.settings.captcha

db/migrate/20140826165533_increase_simple_captcha_limit.rb

@@ -0,0 +1,8 @@
+class IncreaseSimpleCaptchaLimit < ActiveRecord::Migration
+  def self.up
+    change_column :simple_captcha_data, :value, :string, :limit => 12
+  end
+  def self.down
+    change_column :simple_captcha_data, :value, :string, :limit => 6
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20140824230505) do
+ActiveRecord::Schema.define(version: 20140826165533) do
 
   create_table "account_deletions", force: true do |t|
     t.string   "diaspora_handle"
@@ -449,7 +449,7 @@ ActiveRecord::Schema.define(version: 20140824230505) do
 
   create_table "simple_captcha_data", force: true do |t|
     t.string   "key",        limit: 40
-    t.string   "value",      limit: 6
+    t.string   "value",      limit: 12
     t.datetime "created_at"
     t.datetime "updated_at"
   end