shibuqam: we can use `string_arg` directly

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/contrib/shibuqam/examples/shibuqamoauth.nit b/contrib/shibuqam/examples/shibuqamoauth.nit
index bda76a3..951640e 100644 (file)
--- a/contrib/shibuqam/examples/shibuqamoauth.nit
+++ b/contrib/shibuqam/examples/shibuqamoauth.nit
@@ -174,17 +174,6 @@ import popcorn
 import shibuqam
 import json
 
-redef class HttpRequest
-       # percent decoded get or post parameter.
-       fun dec_param(name: String): nullable String
-       do
-               var res = get_args.get_or_null(name)
-               if res == null then res = post_args.get_or_null(name)
-               if res == null then return null
-               return res.from_percent_encoding
-       end
-end
-
 class AuthHandler
        super Handler
 
@@ -232,8 +221,8 @@ class AuthHandler
                # GET means a Authorization Request from the user-agent
 
                # Get the `redirect_uri` parameter, we use it to identify the client
-               var redir = http_request.dec_param("redir")
-               if redir == null then redir = http_request.dec_param("redirect_uri")
+               var redir = http_request.string_arg("redir")
+               if redir == null then redir = http_request.string_arg("redirect_uri")
                if redir == null then
                        response.send("No redirect_uri.", 400)
                        return
@@ -246,7 +235,7 @@ class AuthHandler
                end
 
                # Get the state, we use it to avoid CSRF attacks
-               var state = http_request.dec_param("state")
+               var state = http_request.string_arg("state")
                var res = redir + "?"
 
                # If we are here, the reverse proxy did the authentication
@@ -281,7 +270,7 @@ class AuthHandler
 
                expiration
 
-               var code = http_request.dec_param("code")
+               var code = http_request.string_arg("code")
                if code == null then
                        print "POST: no code"
                        return