From 4db2335107ddf519784b4033336087ebf16ec2b0 Mon Sep 17 00:00:00 2001
From: Matt <matt@artemisbot.uk>
Date: Wed, 9 Jan 2019 11:45:11 +0000
Subject: [PATCH] Speedrunning strats (increased speed on big files)

---
 package-lock.json                 | 6 +++---
 package.json                      | 2 +-
 src/core/operations/YaraRules.mjs | 9 +++++++--
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/package-lock.json b/package-lock.json
index 8827fd47..573f8e67 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7756,9 +7756,9 @@
       "integrity": "sha1-ZMTwJfF/1Tv7RXY/rrFvAVp0dVA="
     },
     "libyara-wasm": {
-      "version": "0.0.4",
-      "resolved": "https://registry.npmjs.org/libyara-wasm/-/libyara-wasm-0.0.4.tgz",
-      "integrity": "sha512-Puw8AfHRgAiS2SBvJBlh3DEYU3icU16MciwQK5Fsxel021UK7DcY1A5DAKYanPNeXVztlz/9USZbEneAkcWzvA=="
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/libyara-wasm/-/libyara-wasm-0.0.6.tgz",
+      "integrity": "sha512-Crnaz5G/ejjZrEYTlyUZIaquR66djW8w8UR8GtgFrpWzhiySPJTcdxwOhGmCku2VhhETPznz20KxBNifBSF+oA=="
     },
     "livereload-js": {
       "version": "2.4.0",
diff --git a/package.json b/package.json
index ffdc5dfd..2f9c7d04 100644
--- a/package.json
+++ b/package.json
@@ -106,7 +106,7 @@
     "jsqr": "^1.1.1",
     "jsrsasign": "8.0.12",
     "kbpgp": "^2.0.82",
-    "libyara-wasm": "0.0.4",
+    "libyara-wasm": "0.0.6",
     "lodash": "^4.17.11",
     "loglevel": "^1.6.1",
     "loglevel-message-prefix": "^3.0.0",
diff --git a/src/core/operations/YaraRules.mjs b/src/core/operations/YaraRules.mjs
index 74de6f29..b6d78a8c 100644
--- a/src/core/operations/YaraRules.mjs
+++ b/src/core/operations/YaraRules.mjs
@@ -23,7 +23,7 @@ class YaraRules extends Operation {
         this.module = "Yara";
         this.description = "Yara support";
         this.infoURL = "https://en.wikipedia.org/wiki/YARA";
-        this.inputType = "string";
+        this.inputType = "ArrayBuffer";
         this.outputType = "string";
         this.args = [{
             name: "Rules",
@@ -41,7 +41,12 @@ class YaraRules extends Operation {
         return new Promise((resolve, reject) => {
             Yara().then(yara => {
                 let matchString = "";
-                const resp = yara.run(input, args[0]);
+                const inpArr = new Uint8Array(input); // I know this is garbage but it's like 1.5 times faster
+                const inpVec = new yara.vectorChar();
+                for (let i = 0; i < inpArr.length; i++) {
+                    inpVec.push_back(inpArr[i]);
+                }
+                const resp = yara.run(inpVec, args[0]);
                 if (resp.compileErrors.size() > 0) {
                     for (let i = 0; i < resp.compileErrors.size(); i++) {
                         const compileError = resp.compileErrors.get(i);