projects / vchess.git / blame
| Commit | Line | Data |
|---|---|---|
| ab4f4bf2 BA |
1 | function checkChallenge(c) |
| 2 | { | |
| 3 | const vid = parseInt(c.vid); | |
| 4 | if (isNaN(vid) || vid <= 0) | |
| 5 | return "Please select a variant"; | |
| 6 | ||
| 7 | const mainTime = parseInt(c.mainTime); | |
| 8 | const increment = parseInt(c.increment); | |
| 9 | if (isNaN(mainTime) || mainTime <= 0) | |
| 10 | return "Main time should be strictly positive"; | |
| 11 | if (isNaN(increment) || increment < 0) | |
| 12 | return "Increment must be positive"; | |
| 13 | ||
| 14 | // Basic alphanumeric check for players names | |
| 15 | let playerCount = 0; | |
| 16 | for (p of c.players) | |
| 17 | { | |
| 18 | if (p.length > 0) | |
| 19 | { | |
| 20 | if (!p.match(/^[\w]+$/)) | |
| 21 | return "Wrong characters in players names"; | |
| 22 | playerCount++; | |
| 23 | } | |
| 24 | } | |
| 25 | ||
| 26 | if (playerCount > 0 && playerCount != c.nbPlayers) | |
| 27 | return "None, or all of the opponent names must be filled" | |
| 28 | ||
| 29 | if (!!document) //client side | |
| 30 | { | |
| 31 | const idxInVariants = variantArray.findIndex(v => v.id == c.vid); | |
| 32 | const vname = variantArray[idxInVariants].name; | |
| 33 | const scriptId = vname + "RulesScript"; | |
| 34 | const afterRulesAreLoaded = () => { | |
| 35 | const V = eval(vname + "Rules"); | |
| 36 | // Allow custom FEN (and check it) only for individual challenges | |
| 37 | if (c.fen.length > 0 && playerCount > 0) | |
| 38 | { | |
| 39 | if (!V.IsGoodFen(c.fen)) | |
| 40 | return "Bad FEN string"; | |
| 41 | } | |
| 42 | else | |
| 43 | { | |
| 44 | // Generate a FEN | |
| 45 | c.fen = V.GenRandInitFen(); | |
| 46 | } | |
| 47 | }; | |
| 48 | if (!document.getElementById(scriptId)) | |
| 49 | { | |
| 50 | // Load variant rules (only once) | |
| 51 | var script = document.createElement("script"); | |
| 52 | script.id = scriptId; | |
| 53 | script.src = "/javascripts/variants/" + vname + ".js"; | |
| 54 | document.body.appendChild(script); | |
| 55 | script.onload = afterRulesAreLoaded; | |
| 56 | } | |
| 57 | } | |
| 58 | else | |
| 59 | { | |
| 60 | // Just characters check on server: | |
| 61 | if (!c.fen.match(/^[a-zA-Z0-9, /-]*$/)) | |
| 62 | return "Bad FEN string"; | |
| 63 | } | |
| 64 | } | |
| 65 | ||
| 66 | try { module.exports = checkChallenge; } catch(e) { } //for server |