获取jsticket，用于微信js sdk，仅支持对象存储

Gemfile

 source 'https://rubygems.org'
 
 group :test, :development do
-  gem "rspec", "~> 3.0.0.beta1"
-  gem 'redis-namespace', '~> 1.5.1'
-  gem "rake", "~> 0.9.6"
+  gem "rspec"
+  gem 'redis-namespace'
   gem 'simplecov', '~> 0.7.1', :require => false
   gem "codeclimate-test-reporter", require: nil
   gem 'coveralls', require: false
   # For debugger
-  gem "pry-rails", "~> 0.3.2"
+  gem "pry-rails"
 
-  gem "pry-debugger", "~> 0.2.2"
+  gem "pry-byebug"
 end
 
 # Specify your gem's dependencies in weixin_authorize.gemspec

lib/weixin_authorize/client.rb

@@ -15,7 +15,7 @@ module WeixinAuthorize
 
     attr_accessor :app_id, :app_secret, :expired_at # Time.now + expires_in
     attr_accessor :access_token, :redis_key
-    attr_accessor :storage
+    attr_accessor :storage, :jsticket
 
     def initialize(app_id, app_secret, redis_key=nil)
       @app_id     = app_id
@@ -35,13 +35,29 @@ module WeixinAuthorize
       @storage.valid?
     end
 
+    # TODO: refactor with difference storage
+    def js_ticket
+      raise ValidAccessTokenException if !is_valid?
+      if @jsticket.nil? || @jsticket.result["expired_at"] <= Time.now.to_i
+        @jsticket ||= get_jsticket
+      end
+      @jsticket.result["ticket"]
+    end
+
     private
 
+      def get_jsticket
+        ticket = http_get("/ticket/getticket", {type: 1})
+        ticket.result["expired_at"] = ticket.result["expires_in"] + Time.now.to_i
+        ticket
+      end
+
       def access_token_param
         {access_token: get_access_token}
       end
 
       def http_get(url, headers={}, endpoint="plain")
+        puts "get jsticket" if url.include?("getticket")
         headers = headers.merge(access_token_param)
         WeixinAuthorize.http_get_without_token(url, headers, endpoint)
       end

weixin_authorize.gemspec

@@ -19,16 +19,16 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "rest-client", ">= 1.6.7"
-  spec.add_dependency "redis", "~> 3.1.0"
+  spec.add_dependency "redis", ">= 3.1.0"
 
-  spec.add_dependency "carrierwave", "~> 0.10.0"
-  spec.add_dependency 'mini_magick', '~> 3.7.0'
+  spec.add_dependency "carrierwave", ">= 0.10.0"
+  spec.add_dependency 'mini_magick', '>= 3.7.0'
 
   # A streaming JSON parsing and encoding library for Ruby (C bindings to yajl)
   # https://github.com/brianmario/yajl-ruby
-  spec.add_dependency "yajl-ruby", "~> 1.2.0"
+  spec.add_dependency "yajl-ruby", ">= 1.2.0"
 
-  spec.add_development_dependency "bundler", "~> 1.3"
+  spec.add_development_dependency "bundler"
   spec.add_development_dependency "rake"
 
 end