[wikimo]add config for token key expired

lib/weixin_authorize.rb

@@ -88,6 +88,10 @@ module WeixinAuthorize
       "https://open.weixin.qq.com#{url}"
     end
 
+    def calculate_expire(expires_in)
+      Time.now + expires_in.to_i - key_expired
+    end
+
   end
 
 end

lib/weixin_authorize/config.rb

@@ -13,6 +13,10 @@ module WeixinAuthorize
       @redis ||= config.redis
     end
 
+    def key_expired
+      config.key_expired || 100
+    end
+
     # 可选配置: RestClient timeout, etc.
     # key 必须是符号
     # 如果出现 RestClient::SSLCertificateNotVerified Exception: SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed
@@ -26,6 +30,6 @@ module WeixinAuthorize
   end
 
   class Config
-    attr_accessor :redis, :rest_client_options
+    attr_accessor :redis, :rest_client_options, :key_expired
   end
 end

lib/weixin_authorize/js_ticket/store.rb

@@ -32,7 +32,7 @@ module WeixinAuthorize
       def set_jsticket
         result = client.http_get("/ticket/getticket", {type: 1}).result
         client.jsticket = result["ticket"]
-        client.jsticket_expired_at = result["expires_in"] + Time.now.to_i
+        client.jsticket_expired_at = WeixinAuthorize.calculate_expire(result["expires_in"])
       end
 
     end

lib/weixin_authorize/token/redis_store.rb

@@ -19,7 +19,7 @@ module WeixinAuthorize
           client.access_token, "expired_at",
           client.expired_at
         )
-        weixin_redis.expireat(client.redis_key, client.expired_at.to_i-100) # 提前10秒超时
+        weixin_redis.expireat(client.redis_key, client.expired_at.to_i)
       end
 
       def access_token

lib/weixin_authorize/token/store.rb

@@ -47,7 +47,7 @@ module WeixinAuthorize
       def set_access_token(access_token_infos=nil)
         token_infos = access_token_infos || http_get_access_token.result
         client.access_token = token_infos["access_token"]
-        client.expired_at   = Time.now.to_i + token_infos["expires_in"].to_i
+        client.expired_at = WeixinAuthorize.calculate_expire(token_infos["expires_in"])
       end
 
       def http_get_access_token

spec/spec_helper.rb

@@ -55,6 +55,7 @@ redis_with_ns = Redis::Namespace.new("#{namespace}", :redis => redis)
 
 WeixinAuthorize.configure do |config|
   config.redis = redis_with_ns
+  # config.key_expired = 200
   config.rest_client_options = {timeout: 10, open_timeout: 10, verify_ssl: true}
 end