From fad14d0a300f07cc14e7cd90df8b0b0907faca41 Mon Sep 17 00:00:00 2001
From: Avril <flanchan@cumallover.me>
Date: Wed, 24 Jun 2020 13:14:56 +0100
Subject: [PATCH] secure trip

---
 .gitignore       |  1 +
 package.json     |  2 +-
 server/server.js |  2 +-
 tripcode.js      | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 49 insertions(+), 2 deletions(-)
 create mode 100644 tripcode.js

diff --git a/.gitignore b/.gitignore
index c2a3db1..fb4cde2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ www/favicon.ico
 
 stage/
 homepage/
+*~
 
 *.node
 *.pid
diff --git a/package.json b/package.json
index 340f9d9..b1cf691 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "formidable": "1.0.17",
     "hashloli": "git+ssh://public@flanchan.moe:hashloli.git",
     "jsoncompress": "^0.1.3",
-    "kana-hash": "file:../home/flandre/work/libkhash/node",
+    "kana-hash": "file:../kana-hash/node",
     "minimist": "1.2.0",
     "nan": "^2.14.0",
     "recaptcha2": "^1.3.2",
diff --git a/server/server.js b/server/server.js
index fe5e331..afaf417 100644
--- a/server/server.js
+++ b/server/server.js
@@ -23,7 +23,7 @@ var _ = require('../lib/underscore'),
     render = require('./render'),
     request = require('request'),
     STATE = require('./state'),
-    tripcode = {hash:function(a,b){return new khash.Kana(0, this.salt).once(a);}, setSalt:function(a){if(a) this.salt = new khash.Salt(a); else this.salt = khash.Salt.Default; return this.salt;}}, //require('./../tripcode/tripcode'),
+    tripcode = require('../tripcode').make(),//{hash:function(a,b){return new khash.Kana(0, this.salt).once(a);}, setSalt:function(a){if(a) this.salt = new khash.Salt(a); else this.salt = khash.Salt.Default; return this.salt;}}, //require('./../tripcode/tripcode'),
     urlParse = require('url').parse,
     web = require('./web'),
     winston = require('winston');
diff --git a/tripcode.js b/tripcode.js
new file mode 100644
index 0000000..6e2226a
--- /dev/null
+++ b/tripcode.js
@@ -0,0 +1,46 @@
+const hash = require('kana-hash');
+
+function Tripcode(algo, salt)
+{
+    this.algo = algo || hash.Kana.ALGO_DEFAULT;
+    this.salt = salt ? new hash.Kana(salt) : hash.Salt.Default;
+}
+
+Tripcode.Algorithm = {
+    Default: hash.Kana.ALGO_DEFAULT,
+    Crc32: hash.Kana.ALGO_CRC32,
+    Crc64: hash.Kana.ALGO_CRC64,
+    Sha256: hash.Kana.ALGO_SHA256,
+    Sha256T: hash.Kana.ALGO_SHA256_TRUNCATED,
+};
+Tripcode.make = (algo, salt) => {
+    return new Tripcode(algo,salt);b
+};
+Object.freeze(Tripcode.Algorithm);
+
+const TC = Tripcode.prototype;
+
+TC.hash = function(a, b, c) {
+    console.log("what are these?:");
+    
+    if (a) {
+	// Insecure 
+	return "!" +new hash.Kana(this.algo, hash.Salt.Default).once(a);
+    } else if (b) {
+	// Secure
+	return "!!" +new hash.Kana(this.algo, this.salt).once(b);
+    }
+};
+
+TC.setSalt = function(salt) {
+    if (salt)
+	this.salt = new hash.Salt(salt);
+    else if(salt === true) 
+	this.salt = hash.Salt.Default;
+    else if (salt === false)
+	this.salt = hash.Salt.None;
+    
+    return this.salt;
+};
+
+module.exports = Tripcode;