1 files changed, 145 insertions, 0 deletions
diff --git a/scripts/ci/openresty/json-api.lua b/scripts/ci/openresty/json-api.lua
new file mode 100644
index 0000000..4a574f7
--- /dev/null
+++ b/scripts/ci/openresty/json-api.lua
@@ -0,0 +1,145 @@
+-- Based on https://github.com/bambattajb/openresty-api-example
+
+-- Helper functions
+function strSplit(delim,str)
+    local t = {}
+
+    for substr in string.gmatch(str, "[^".. delim.. "]*") do
+        if substr ~= nil and string.len(substr) > 0 then
+            table.insert(t,substr)
+        end
+    end
+
+    return t
+end
+
+-- Read body being passed
+-- Required for ngx.req.get_body_data()
+ngx.req.read_body()
+-- Parser for sending JSON back to the client
+local cjson = require("cjson")
+-- Get the request path
+local reqPath = ngx.var.uri
+-- Get the request method (POST, GET etc..)
+local reqMethod = ngx.var.request_method
+-- Get any URI arguments
+local uriArgs = ngx.req.get_uri_args()
+-- Parse the body data as JSON
+local body = ngx.req.get_body_data() ==
+        -- This is like a ternary statement for Lua
+        -- It is saying if doesn't exist at least
+        -- define as empty object
+        nil and {} or cjson.decode(ngx.req.get_body_data());
+
+Api = {}
+Api.__index = Api
+-- Declare API not yet responded
+Api.responded = false;
+-- Function for checking input from client
+function Api.endpoint(method, path, callback)
+
+    -- return false if method doesn't match
+    if reqMethod ~= method
+    then
+        return false
+    end
+
+    -- If API already responded
+    if Api.responded then
+        return false
+    end
+
+    -- KeyData = params passed in path
+    local keyData = {}
+    -- Unaltered version of path
+    local origPath = reqPath
+    -- If this endpoint has params
+    if string.find(path, "<(.-)>")
+    then
+        -- Split origin and passed path sections
+        local splitPath = strSplit("/", path)
+        local splitReqPath = strSplit("/", reqPath)
+        -- Iterate over splitPath
+        for i, k in pairs(splitPath) do
+            -- If chunk contains <something>
+            if string.find(k, "<(.-)>")
+            then
+                if not splitReqPath[i] then
+                    reqPath = origPath
+                    return false
+                end
+                -- Add to keyData
+                keyData[string.match(k, "%<(%a+)%>")] = splitReqPath[i]
+                -- Replace matches with default for validation
+                reqPath = string.gsub(reqPath, splitReqPath[i], k)
+            end
+        end
+    end
+
+    -- return false if path doesn't match anything
+    if reqPath ~= path
+    then
+        reqPath = origPath
+        return false;
+    end
+
+    -- Make sure we don't run this again
+    Api.responded = true;
+
+    return callback(body, keyData);
+end
+
+-- Used in the accounting test
+Api.endpoint('POST', '/user/<username>/mac/<client>',
+    function(body, keyData)
+        local returnData = {}
+        returnData["control:Tmp-String-0"] = uriArgs.section
+        returnData["control:Tmp-String-1"] = {
+            reqMethod,
+            reqPath
+        }
+        returnData["control:User-Name"] = {
+            op = ":=",
+            value = keyData.username
+        }
+        returnData["control:NAS-IP-Address"] = {
+            op = "+=",
+            value = body.NAS or body['NAS-IP-Address'].value
+        }
+        returnData["control:Tmp-String-2"] = {
+            op = "^=",
+            value = keyData.username
+        }
+        return ngx.say(cjson.encode(returnData))
+    end
+)
+
+-- Used in the authorize test
+Api.endpoint('GET', '/user/<username>/mac/<client>',
+    function(body, keyData)
+        local returnData = {}
+        returnData["control:Tmp-String-0"] = uriArgs.section
+        returnData["control:Tmp-String-1"] = {
+            reqMethod,
+            reqPath
+        }
+        returnData["control:User-Name"] = {
+            op = ":=",
+            value = keyData.username
+        }
+        returnData["control:Tmp-String-2"] = {
+            op = "^=",
+            value = keyData.username
+        }
+        return ngx.say(cjson.encode(returnData))
+    end
+)
+
+-- Simple reflection of a URI argument
+Api.endpoint('GET', '/user/<username>/reflect/',
+    function(body, keyData)
+        local returnData = {}
+        returnData["station"] = uriArgs.station
+        return ngx.say(cjson.encode(returnData))
+    end
+)