sha512 id

Author: anandkumarpatel

packages/kong-plugin/README.md

@@ -18,9 +18,9 @@ With [ReadMe's Metrics API](https://readme.com/metrics) your team can get deep i
 
 ```bash
 # Build kong image with the plugin
-docker build -t kong-readme-plugin:v1 .
+docker build -t kong-readme-plugin:latest .
 # Run kong with the plugin
-curl -Ls https://get.konghq.com/quickstart |  bash -s -- -r "" -i kong-readme-plugin -t v1
+curl -Ls https://get.konghq.com/quickstart |  bash -s -- -r "" -i kong-readme-plugin -t latest
 # Enable the plugin
 curl -isX POST http://localhost:8001/plugins -d name=readme-plugin -d 'config.api_key=<Your API Key>'
 ```

packages/kong-plugin/kong/plugins/readme-plugin/handler.lua

@@ -2,6 +2,7 @@ local Queue = require "kong.tools.queue"
 local cjson = require "cjson"
 local url = require "socket.url"
 local http = require "resty.http"
+local openssl_digest = require "resty.openssl.digest"
 
 local kong = kong
 local ngx = ngx
@@ -44,6 +45,17 @@ local function parse_url(host_url)
   return parsed_url
 end
 
+-- This will generate an integrity hash that looks something like this:
+-- sha512-Naxska/M1INY/thefLQ49sExJ8E+89Q2bz/nC4Pet52iSRPtI9w3Cyg0QdZExt0uUbbnfMJZ0qTabiLJxw6Wrg==?1345
+-- With the last 4 digits on the end for us to use to identify it later in a list.
+local function hash_value(value)
+  local last_4_digits = value:sub(-4)
+  local digest = openssl_digest.new("sha512")
+  local encoded_value = encode_base64(digest:final(value))
+  return encoded_value .. "?" .. last_4_digits
+end
+
+
 -- Creates a payload for ReadMe
 -- @return JSON string in ReadMe API Log format
 local function make_readme_payload(conf, entries)
@@ -110,16 +122,17 @@ local function make_readme_payload(conf, entries)
     if conf.group_by then
       for header_name, group_value in pairs(conf.group_by) do
         local header_value = entry.request.headers[header_name]
-        group[group_value] = header_value or "unknown"
+        group[group_value] = header_value or "none"
       end
     end
 
     local id_header = (conf.id_header and conf.id_header:lower()) or "authorization"
-    local id = entry.request.headers[id_header] or "unknown"
+    local id = entry.request.headers[id_header] or "none"
     if id_header == "authorization" and entry.raw_auth then
       id = entry.raw_auth
     end
-    group.id = id
+    group.id = hash_value(id)
+
     local api_log = {
       httpVersion = entry.httpVersion,
       requestBody = {},

packages/kong-plugin/kong/plugins/readme-plugin/schema.lua

@@ -18,7 +18,7 @@ return {
                     },
                     {
                       id_header = {
-                          description = "Select header to be used as a unique identifier for a user. This value will be hashed by ReadMe. The `Authorization` header is used by default. If the configured header was not found then it will be set to 'Unknown'.",
+                          description = "Select header to be used as a unique identifier for a user. This value will be hashed by ReadMe. The `Authorization` header is used by default. If the configured header was not found then it will be set to `none`.",
                           type = "string",
                           default = "Authorization"
                       }
@@ -60,15 +60,15 @@ return {
                     },
                     {
                         group_by = {
-                            description = "A map of headers to group by. The key is the header name and the value is the header value to group by. Applies to request headers only. If the header is not found, it will be set to `unknown`. `email` and `label` are recommended keys to provide.",
+                            description = "A map of headers to group by. The key is the header name and the value is the header value to group by. Applies to request headers only. If the header is not found, it will be set to `none`. `email` and `label` are recommended keys to provide.",
                             type = "map",
                             keys = typedefs.header_name,
                             values = {
                                 type = "string",
                                 match_none = {
                                   {
                                     pattern = "^id$",
-                                    err = "cannot map to 'id'",
+                                    err = "cannot map to `id`",
                                   }
                                 }
                             }