From f4f55f37ee3690383e11da0f5ac2bdde8f14e195 Mon Sep 17 00:00:00 2001
From: nemunaire <nemunaire@nemunai.re>
Date: Fri, 9 Dec 2016 11:55:44 +0100
Subject: [PATCH] frontend: able to receive opening hint

---
 frontend/hint.go | 39 +++++++++++++++++++++++++++++++++++++++
 frontend/main.go |  1 +
 2 files changed, 40 insertions(+)
 create mode 100644 frontend/hint.go

diff --git a/frontend/hint.go b/frontend/hint.go
new file mode 100644
index 00000000..de138647
--- /dev/null
+++ b/frontend/hint.go
@@ -0,0 +1,39 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"strings"
+)
+
+type HintHandler struct {}
+
+func (h HintHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	log.Printf("Handling %s opening hint request from %s: %s [%s]\n", r.Method, r.RemoteAddr, r.URL.Path, r.UserAgent())
+
+	w.Header().Set("Content-Type", "application/json")
+
+	// Check request type and size
+	if r.Method != "POST" {
+		http.Error(w, "{\"errmsg\":\"Requête invalide.\"}", http.StatusBadRequest)
+		return
+	} else if r.ContentLength <= 0 || r.ContentLength > 1023 {
+		http.Error(w, "{\"errmsg\":\"Requête trop longue ou de taille inconnue\"}", http.StatusRequestEntityTooLarge)
+		return
+	}
+
+	// Extract URL arguments
+	var sURL = strings.Split(r.URL.Path, "/")
+
+	if len(sURL) != 1 && len(sURL) != 2 {
+		http.Error(w, "{\"errmsg\":\"Requête invalide.\"}", http.StatusBadRequest)
+		return
+	}
+
+	team := sURL[0]
+
+	// Enqueue file for backend treatment
+	if saveTeamFile(SubmissionDir, team, "hint", w, r) {
+		http.Error(w, "{\"errmsg\":\"Demande d'astuce acceptée...\"}", http.StatusAccepted)
+	}
+}
diff --git a/frontend/main.go b/frontend/main.go
index 306549a9..6ff766a2 100644
--- a/frontend/main.go
+++ b/frontend/main.go
@@ -79,6 +79,7 @@ func main() {
 	if !*denyChName {
 		http.Handle(fmt.Sprintf("%s/chname/", *prefix), http.StripPrefix(fmt.Sprintf("%s/chname/", *prefix), ChNameHandler{}))
 	}
+	http.Handle(fmt.Sprintf("%s/openhint/", *prefix), http.StripPrefix(fmt.Sprintf("%s/openhint/", *prefix), HintHandler{}))
 	http.Handle(fmt.Sprintf("%s/submission/", *prefix), http.StripPrefix(fmt.Sprintf("%s/submission/", *prefix), SubmissionHandler{end}))
 
 	log.Println(fmt.Sprintf("Ready, listening on %s", *bind))