From eabd41b10fa6da986e7e5ee2e3d93d3f19100c49 Mon Sep 17 00:00:00 2001
From: Anna Janackova <anna.janackova@gmail.com>
Date: Tue, 24 Jun 2014 08:09:43 +0200
Subject: adds charset option for generating plain passwords

---
 lib/trocla.rb      | 32 ++++++++++++++++----------------
 lib/trocla/util.rb |  6 ++++--
 2 files changed, 20 insertions(+), 18 deletions(-)

(limited to 'lib')

diff --git a/lib/trocla.rb b/lib/trocla.rb
index 74825aa..a239be8 100644
--- a/lib/trocla.rb
+++ b/lib/trocla.rb
@@ -3,11 +3,11 @@ require 'trocla/util'
 require 'trocla/formats'
 
 class Trocla
-  
+
   def initialize(config_file=nil)
     if config_file
       @config_file = File.expand_path(config_file)
-    elsif File.exists?(def_config_file=File.expand_path('~/.troclarc.yaml')) || File.exists?(def_config_file=File.expand_path('/etc/troclarc.yaml')) 
+    elsif File.exists?(def_config_file=File.expand_path('~/.troclarc.yaml')) || File.exists?(def_config_file=File.expand_path('/etc/troclarc.yaml'))
       @config_file = def_config_file
     end
   end
@@ -20,27 +20,27 @@ class Trocla
       return password
     end
 
-    plain_pwd = get_password(key,'plain') 
+    plain_pwd = get_password(key,'plain')
     if options['random'] && plain_pwd.nil?
-      plain_pwd = Trocla::Util.random_str(options['length'].to_i,options['shellsafe'])
-      set_password(key,'plain',plain_pwd) unless format == 'plain' 
+      plain_pwd = Trocla::Util.random_str(options['length'].to_i,options['charset'])
+      set_password(key,'plain',plain_pwd) unless format == 'plain'
     elsif !options['random'] && plain_pwd.nil?
       raise "Password must be present as plaintext if you don't want a random password"
     end
     set_password(key,format,Trocla::Formats[format].format(plain_pwd,options))
   end
-  
+
   def get_password(key,format)
     cache.fetch(key,{})[format]
   end
-  
+
   def reset_password(key,format,options={})
     set_password(key,format,nil)
     password(key,format,options)
   end
-  
+
   def delete_password(key,format=nil)
-    if format.nil? 
+    if format.nil?
       cache.delete(key)
     else
       old_val = (h = cache.fetch(key,{})).delete(format)
@@ -48,7 +48,7 @@ class Trocla
       old_val
     end
   end
-  
+
   def set_password(key,format,password)
     if (format == 'plain')
       h = (cache[key] = { 'plain' => password })
@@ -57,22 +57,22 @@ class Trocla
     end
     h[format]
   end
-  
+
   private
   def cache
     @cache ||= build_cache
   end
-  
+
   def build_cache
     require 'moneta'
     lconfig = config
     Moneta.new(lconfig['adapter'], lconfig['adapter_options']||{})
   end
-  
+
   def config
     @config ||= read_config
   end
-  
+
   def read_config
     if @config_file.nil?
       default_config
@@ -81,10 +81,10 @@ class Trocla
       default_config.merge(YAML.load(File.read(@config_file)))
     end
   end
-  
+
   def default_config
       require 'yaml'
       YAML.load(File.read(File.expand_path(File.join(File.dirname(__FILE__),'trocla','default_config.yaml'))))
   end
-  
+
 end
diff --git a/lib/trocla/util.rb b/lib/trocla/util.rb
index ff7e3ce..2826c9e 100644
--- a/lib/trocla/util.rb
+++ b/lib/trocla/util.rb
@@ -2,8 +2,10 @@ require 'securerandom'
 class Trocla
   class Util
     class << self
-      def random_str(length=12,shellsafe=:undef)
-        if shellsafe
+      def random_str(length=12, charset=:undef)
+        if charset == 'alphanumeric'
+          (1..length).collect{|a| normal_chars[SecureRandom.random_number(normal_chars.size)] }.join.to_s
+        elsif charset == 'special_shellsafe'
           (1..length).collect{|a| safechars[SecureRandom.random_number(safechars.size)] }.join.to_s
         else
           (1..length).collect{|a| chars[SecureRandom.random_number(chars.size)] }.join.to_s
-- 
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