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More speedrun stats (literally 10x faster)

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Matt 2019-01-12 00:20:25 +00:00
parent dd9ba4d250
commit 8bba4b2973
3 changed files with 16 additions and 11 deletions
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6
package-lock.json generated
View file

@ -7756,9 +7756,9 @@
"integrity": "sha1-ZMTwJfF/1Tv7RXY/rrFvAVp0dVA=" "integrity": "sha1-ZMTwJfF/1Tv7RXY/rrFvAVp0dVA="
}, },
"libyara-wasm": { "libyara-wasm": {
"version": "0.0.8", "version": "0.0.9",
"resolved": "https://registry.npmjs.org/libyara-wasm/-/libyara-wasm-0.0.8.tgz", "resolved": "https://registry.npmjs.org/libyara-wasm/-/libyara-wasm-0.0.9.tgz",
"integrity": "sha512-ZB+Ya3bEBoanvde47X8RzqpMBHgrPxrTZIJ/UEoatVnOEy2he1IORuotdSkP2o73URRzHGN1jNWDIhTdfbZ3rQ==" "integrity": "sha512-GTR8GD7q2xCwRzQpoSVh31KPbH145tCKaU3DAnQMpkf4aKqjnVpQlq6gUjyDhvw8RPZ2tamyQad5hg42KsVvRw=="
}, },
"livereload-js": { "livereload-js": {
"version": "2.4.0", "version": "2.4.0",

2
package.json
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@ -106,7 +106,7 @@
"jsqr": "^1.1.1", "jsqr": "^1.1.1",
"jsrsasign": "8.0.12", "jsrsasign": "8.0.12",
"kbpgp": "^2.0.82", "kbpgp": "^2.0.82",
"libyara-wasm": "0.0.8", "libyara-wasm": "0.0.9",
"lodash": "^4.17.11", "lodash": "^4.17.11",
"loglevel": "^1.6.1", "loglevel": "^1.6.1",
"loglevel-message-prefix": "^3.0.0", "loglevel-message-prefix": "^3.0.0",

19
src/core/operations/YARARules.mjs
View file

@ -59,16 +59,22 @@ class YARARules extends Operation {
* @returns {string} * @returns {string}
*/ */
run(input, args) { run(input, args) {
if (ENVIRONMENT_IS_WORKER())
self.sendStatusMessage("Instantiating YARA.");
const [rules, showStrings, showLengths, showMeta] = args; const [rules, showStrings, showLengths, showMeta] = args;
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
Yara().then(yara => { Yara().then(yara => {
if (ENVIRONMENT_IS_WORKER()) self.sendStatusMessage("Converting data for YARA.");
let matchString = ""; let matchString = "";
const inpArr = new Uint8Array(input);
const inpVec = new yara.vectorChar(); const inpArr = new Uint8Array(input); // Turns out embind knows that JS uint8array <==> C++ std::string
for (let i = 0; i < inpArr.length; i++) {
inpVec.push_back(inpArr[i]); if (ENVIRONMENT_IS_WORKER()) self.sendStatusMessage("Running YARA matching.");
}
const resp = yara.run(inpVec, rules); const resp = yara.run(inpArr, rules);
if (ENVIRONMENT_IS_WORKER()) self.sendStatusMessage("Processing data.");
if (resp.compileErrors.size() > 0) { if (resp.compileErrors.size() > 0) {
for (let i = 0; i < resp.compileErrors.size(); i++) { for (let i = 0; i < resp.compileErrors.size(); i++) {
const compileError = resp.compileErrors.get(i); const compileError = resp.compileErrors.get(i);
@ -102,7 +108,6 @@ class YARARules extends Operation {
} }
} }
} }
} }
resolve(matchString); resolve(matchString);
}); });