X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=client%2Fclient_OLD%2Fjavascripts%2Fshared%2FchallengeCheck.js;fp=client%2Fclient_OLD%2Fjavascripts%2Fshared%2FchallengeCheck.js;h=85d8571d1bee65d6e71b9df28c18d392405ad643;hb=625022fdcf750f0aff8fcd699f7e9b89730e1d10;hp=0000000000000000000000000000000000000000;hpb=b955c65b942d09d24b5c3bed0d755d4f2f8f71f1;p=vchess.git

diff --git a/client/client_OLD/javascripts/shared/challengeCheck.js b/client/client_OLD/javascripts/shared/challengeCheck.js
new file mode 100644
index 00000000..85d8571d
--- /dev/null
+++ b/client/client_OLD/javascripts/shared/challengeCheck.js
@@ -0,0 +1,53 @@
+// 'vname' for 'variant name' is defined when run on client side
+function checkChallenge(c, vname)
+{
+	const vid = parseInt(c.vid);
+	if (isNaN(vid) || vid <= 0)
+		return "Please select a variant";
+
+	const mainTime = parseInt(c.mainTime);
+	const increment = parseInt(c.increment);
+	if (isNaN(mainTime) || mainTime <= 0)
+		return "Main time should be strictly positive";
+	if (isNaN(increment) || increment < 0)
+		return "Increment must be positive";
+
+	// Basic alphanumeric check for players names
+	let playerCount = 0;
+	for (p of c.players)
+	{
+		if (p.name.length > 0)
+		{
+			if (!p.name.match(/^[\w]+$/))
+				return "Wrong characters in players names";
+			playerCount++;
+		}
+	}
+
+	if (playerCount > 0 && playerCount != c.nbPlayers-1)
+		return "None, or all of the opponent names must be filled"
+
+	if (typeof document !== "undefined") //client side
+	{
+		const V = eval(vname + "Rules");
+		// Allow custom FEN (and check it) only for individual challenges
+		if (c.fen.length > 0 && playerCount > 0)
+		{
+			if (!V.IsGoodFen(c.fen))
+				return "Bad FEN string";
+		}
+		else
+		{
+			// Generate a FEN
+			c.fen = V.GenRandInitFen();
+		}
+	}
+	else
+	{
+		// Just characters check on server:
+		if (!c.fen.match(/^[a-zA-Z0-9, /-]*$/))
+			return "Bad FEN string";
+	}
+}
+
+try { module.exports = checkChallenge; } catch(e) { } //for server