reorginizationHEADmain

1 files changed, 38 insertions, 0 deletions

diff --git a/req-params.lua b/req-params.lua
new file mode 100755
index 0000000..077a7e4
--- /dev/null
+++ b/req-params.lua
@@ -0,0 +1,38 @@
+-- /var/www/cgi-bin/cgi.lua
+-- Simple Lua CGI helper for GET and POST
+
+local params = {}
+
+-- Parse URL-encoded query string into a table
+local function parse_query(qs)
+    local t = {}
+    for k, v in string.gmatch(qs or "", "([^&=]+)=([^&]*)") do
+        -- URL-decode
+        k = k:gsub("+", " "):gsub("%%(%x%x)", function(h) return string.char(tonumber(h,16)) end)
+        v = v:gsub("+", " "):gsub("%%(%x%x)", function(h) return string.char(tonumber(h,16)) end)
+        t[k] = v
+    end
+    return t
+end
+
+-- GET parameters
+params.get_params = parse_query(os.getenv("QUERY_STRING"))
+
+-- POST parameters
+params.post_params = {}
+local content_length = tonumber(os.getenv("CONTENT_LENGTH") or 0)
+if content_length > 0 then
+    local body = io.read(content_length)
+    params.post_params = parse_query(body)
+end
+
+-- Convenience functions
+function params.get(key) return params.get_params[key] end
+function params.post(key) return params.post_params[key] end
+
+-- Combine GET+POST if you want
+function params.param(key)
+    return params.post(key) or params.get(key)
+end
+
+return params