chore(*) fix linting issues

Author: bungle

lib/resty/session.lua

@@ -322,7 +322,7 @@ local function init()
 end
 
 local session = {
-    _VERSION = "3.0"
+    _VERSION = "3.1"
 }
 
 session.__index = session
@@ -432,7 +432,7 @@ function session.new(opts)
 
     local cookie = opts.cookie or defaults.cookie
     local name   = opts.name   or defaults.name
-    local secret = opts.secret or defaults.secret
+    local sec    = opts.secret or defaults.secret
 
     local secure
     local path
@@ -464,7 +464,7 @@ function session.new(opts)
     local self = {
         now        = time(),
         name       = name,
-        secret     = secret,
+        secret     = sec,
         identifier = ide,
         serializer = ser,
         strategy   = str,

lib/resty/session/ciphers/none.lua

@@ -4,11 +4,11 @@ function cipher.new()
     return cipher
 end
 
-function cipher:encrypt(data)
+function cipher.encrypt(_, data)
     return data
 end
 
-function cipher:decrypt(data)
+function cipher.decrypt(_, data)
     return data
 end
 

lib/resty/session/storage/memcache.lua

@@ -236,7 +236,7 @@ function storage:destroy(id)
 
     local key = self:key(id)
 
-    local ok, err = self:delete(key)
+    ok, err = self:delete(key)
 
     self:unlock(key)
     self:set_keepalive()

lib/resty/session/storage/redis.lua

@@ -272,7 +272,7 @@ function storage:destroy(id)
 
     local key = self:key(id)
 
-    local ok, err = self:delete(key)
+    ok, err = self:delete(key)
 
     self:unlock(key)
     self:set_keepalive()

lib/resty/session/strategies/default.lua

@@ -103,7 +103,6 @@ function strategy.modify(session, action, close, key)
   end
   local hash = session.hmac(hkey, concat{ key, data, session.key })
 
-  local err
   data, err = session.cipher:encrypt(data, hkey, id, session.key)
   if not data then
     if close and storage.close then