* luci/libs/http: implement multi-value support in http.protocol

diff --git a/libs/http/luasrc/http/protocol.lua b/libs/http/luasrc/http/protocol.lua
index b8e9624..a9a6d8d 100644 (file)
--- a/libs/http/luasrc/http/protocol.lua
+++ b/libs/http/luasrc/http/protocol.lua
@@ -111,6 +111,42 @@ function urlencode_params( tbl )
 end
 
 
+-- Parameter helper
+local function __initval( tbl, key )
+       local multival = ( key:sub( #key - 1, #key ) == "[]" )
+
+       if multival then
+               if type(tbl[key]) == "table" then
+                       table.insert( tbl[key], "" )
+               else
+                       tbl[key] = { "" }
+               end
+       else
+               tbl[key] = ""
+       end
+
+       return multival
+end
+
+local function __appendval( tbl, key, multival, chunk )
+       if multival then
+               tbl[key][#tbl[key]] = tbl[key][#tbl[key]] .. chunk
+       else
+               tbl[key] = tbl[key] .. chunk
+       end
+end
+
+local function __finishval( tbl, key, multival, handler )
+       if handler then
+               if multival then
+                       tbl[key][#tbl[key]] = handler( tbl[key][#tbl[key]] )
+               else
+                       tbl[key] = handler( tbl[key] )
+               end
+       end
+end
+
+
 -- Table of our process states
 local process_states = { }
 
@@ -285,9 +321,9 @@ process_states['mime-headers'] = function( msg, chunk, filecb )
 
                                        -- Treat as form field
                                        else
-                                               msg.params[field] = ""
+                                               local mv = __initval( msg.params, field )
                                                msg._mimecallback = function(chunk,eof)
-                                                       msg.params[field] = msg.params[field] .. chunk
+                                                       __appendval( msg.params, field, mv, chunk )
                                                end
                                        end
 
@@ -440,12 +476,13 @@ process_states['urldecode-key'] = function( msg, chunk, filecb )
                                                filecb( field, chunk, eof )
                                        end
                                else
+                                       local mv = __initval( msg.params, key )
                                        msg._urldeccallback = function( chunk, eof )
-                                               msg.params[key] = msg.params[key] .. chunk
+                                               __appendval( msg.params, key, mv, chunk )
 
                                                -- FIXME: Use a filter
                                                if eof then
-                                                       msg.params[key] = urldecode( msg.params[key] )
+                                                       __finishval( msg.params, key, mv, urldecode )
                                                end
                                        end
                                end