Firstsawyou commented on a change in pull request #3263:
URL: https://github.com/apache/apisix/pull/3263#discussion_r556301713
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File path: apisix/plugins/authz-keycloak.lua
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@@ -17,15 +17,18 @@
local core = require("apisix.core")
local http = require "resty.http"
local sub_str = string.sub
-local url = require "net.url"
-local tostring = tostring
+local type = type
local ngx = ngx
+local cjson = require("cjson")
+local cjson_s = require("cjson.safe")
Review comment:
It is better to use the public methods provided
here.[https://github.com/apache/apisix/blob/master/apisix/core/json.lua
](https://github.com/apache/apisix/blob/master/apisix/core/json.lua)
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