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- {"version":3,"file":"integrity.js","sourceRoot":"","sources":["../../src/asar/integrity.ts"],"names":[],"mappings":";;;AAAA,+CAA0C;AAC1C,mCAAmC;AACnC,2BAAqC;AACrC,0CAAqC;AACrC,6BAA4B;AAC5B,iCAAsD;AAgB/C,KAAK,UAAU,WAAW,CAAC,EAAE,aAAa,EAAE,qBAAqB,EAAwB;IAC9F,kCAAkC;IAClC,MAAM,KAAK,GAAG,CAAC,MAAM,IAAA,kBAAO,EAAC,aAAa,CAAC,CAAC,CAAC,MAAM,CAAC,EAAE,CAAC,EAAE,CAAC,EAAE,CAAC,QAAQ,CAAC,OAAO,CAAC,CAAC,CAAC,IAAI,EAAE,CAAA;IACtF,MAAM,SAAS,GAAG,MAAM,sBAAe,CAAC,GAAG,CAAC,KAAK,EAAE,EAAE,CAAC,EAAE,CAAC,UAAU,CAAC,IAAI,CAAC,IAAI,CAAC,aAAa,EAAE,EAAE,CAAC,CAAC,CAAC,CAAA;IAElG,MAAM,MAAM,GAAkB,EAAE,CAAA;IAChC,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;QACrC,MAAM,CAAC,IAAI,CAAC,IAAI,CAAC,qBAAqB,EAAE,KAAK,CAAC,CAAC,CAAC,CAAC,CAAC,GAAG,SAAS,CAAC,CAAC,CAAC,CAAA;KAClE;IACD,OAAO,MAAM,CAAA;AACf,CAAC;AAVD,kCAUC;AAED,KAAK,UAAU,UAAU,CAAC,IAAY;IACpC,MAAM,IAAI,GAAG,IAAA,mBAAU,EAAC,QAAQ,CAAC,CAAA;IACjC,MAAM,EAAE,MAAM,EAAE,GAAG,MAAM,IAAA,qBAAc,EAAC,IAAI,CAAC,CAAA;IAC7C,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAA;IACnB,OAAO;QACL,SAAS,EAAE,QAAQ;QACnB,IAAI,EAAE,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC;KACzB,CAAA;AACH,CAAC;AAED,SAAgB,QAAQ,CAAC,IAAY,EAAE,SAAS,GAAG,CAAC,GAAG,IAAI,GAAG,IAAI;IAChE,OAAO,IAAI,OAAO,CAAgB,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE;QACpD,MAAM,IAAI,GAAG,IAAA,mBAAU,EAAC,QAAQ,CAAC,CAAA;QAEjC,MAAM,MAAM,GAAG,IAAI,KAAK,EAAU,CAAA;QAElC,IAAI,UAAU,GAAG,CAAC,CAAA;QAClB,IAAI,SAAS,GAAG,IAAA,mBAAU,EAAC,QAAQ,CAAC,CAAA;QAEpC,SAAS,eAAe,CAAC,KAAa;YACpC,IAAI,GAAG,GAAG,CAAC,CAAA;YACX,OAAO,GAAG,GAAG,KAAK,CAAC,MAAM,EAAE;gBACzB,MAAM,MAAM,GAAG,IAAI,CAAC,GAAG,CAAC,SAAS,GAAG,UAAU,EAAE,KAAK,CAAC,MAAM,GAAG,GAAG,CAAC,CAAA;gBACnE,SAAS,CAAC,MAAM,CAAC,KAAK,CAAC,KAAK,CAAC,GAAG,EAAE,GAAG,GAAG,MAAM,CAAC,CAAC,CAAA;gBAChD,GAAG,IAAI,MAAM,CAAA;gBACb,UAAU,IAAI,MAAM,CAAA;gBAEpB,IAAI,UAAU,KAAK,SAAS,EAAE;oBAC5B,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,CAAA;oBACpC,SAAS,GAAG,IAAA,mBAAU,EAAC,QAAQ,CAAC,CAAA;oBAChC,UAAU,GAAG,CAAC,CAAA;iBACf;aACF;QACH,CAAC;QAED,IAAA,qBAAgB,EAAC,IAAI,CAAC;aACnB,EAAE,CAAC,MAAM,EAAE,EAAE,CAAC,EAAE;YACf,4DAA4D;YAC5D,eAAe,CAAC,MAAM,CAAC,IAAI,CAAC,EAAE,CAAC,CAAC,CAAA;YAChC,IAAI,CAAC,MAAM,CAAC,EAAE,CAAC,CAAA;QACjB,CAAC,CAAC;aACD,EAAE,CAAC,OAAO,EAAE,MAAM,CAAC;aACnB,EAAE,CAAC,KAAK,EAAE,GAAG,EAAE;YACd,IAAI,UAAU,KAAK,CAAC,EAAE;gBACpB,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,CAAA;aACrC;YACD,OAAO,CAAC;gBACN,SAAS,EAAE,QAAQ;gBACnB,IAAI,EAAE,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC;gBACxB,SAAS;gBACT,MAAM;aACP,CAAC,CAAA;QACJ,CAAC,CAAC,CAAA;IACN,CAAC,CAAC,CAAA;AACJ,CAAC;AA5CD,4BA4CC;AAED,SAAgB,gBAAgB,CAAC,QAAyB,EAAE,SAAS,GAAG,CAAC,GAAG,IAAI,GAAG,IAAI;IACrF,MAAM,MAAM,GAAG,MAAM,CAAC,IAAI,CAAC,QAAQ,CAAC,CAAA;IACpC,MAAM,IAAI,GAAG,IAAA,mBAAU,EAAC,QAAQ,CAAC,CAAA;IACjC,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC,CAAA;IAEnB,MAAM,MAAM,GAAG,IAAI,KAAK,EAAU,CAAA;IAElC,KAAK,IAAI,GAAG,GAAG,CAAC,EAAE,GAAG,GAAG,MAAM,CAAC,MAAM,EAAE,GAAG,IAAI,SAAS,EAAE;QACvD,MAAM,SAAS,GAAG,IAAA,mBAAU,EAAC,QAAQ,CAAC,CAAA;QACtC,SAAS,CAAC,MAAM,CAAC,MAAM,CAAC,KAAK,CAAC,GAAG,EAAE,GAAG,GAAG,SAAS,CAAC,CAAC,CAAA;QACpD,MAAM,CAAC,IAAI,CAAC,SAAS,CAAC,MAAM,CAAC,KAAK,CAAC,CAAC,CAAA;KACrC;IAED,OAAO;QACL,SAAS,EAAE,QAAQ;QACnB,IAAI,EAAE,IAAI,CAAC,MAAM,CAAC,KAAK,CAAC;QACxB,SAAS;QACT,MAAM;KACP,CAAA;AACH,CAAC;AAnBD,4CAmBC","sourcesContent":["import BluebirdPromise from \"bluebird-lst\"\nimport { createHash } from \"crypto\"\nimport { createReadStream } from \"fs\"\nimport { readdir } from \"fs/promises\"\nimport * as path from \"path\"\nimport { readAsarHeader, NodeIntegrity } from \"./asar\"\n\nexport interface AsarIntegrityOptions {\n readonly resourcesPath: string\n readonly resourcesRelativePath: string\n}\n\nexport interface HeaderHash {\n algorithm: \"SHA256\"\n hash: string\n}\n\nexport interface AsarIntegrity {\n [key: string]: HeaderHash\n}\n\nexport async function computeData({ resourcesPath, resourcesRelativePath }: AsarIntegrityOptions): Promise<AsarIntegrity> {\n // sort to produce constant result\n const names = (await readdir(resourcesPath)).filter(it => it.endsWith(\".asar\")).sort()\n const checksums = await BluebirdPromise.map(names, it => hashHeader(path.join(resourcesPath, it)))\n\n const result: AsarIntegrity = {}\n for (let i = 0; i < names.length; i++) {\n result[path.join(resourcesRelativePath, names[i])] = checksums[i]\n }\n return result\n}\n\nasync function hashHeader(file: string): Promise<HeaderHash> {\n const hash = createHash(\"sha256\")\n const { header } = await readAsarHeader(file)\n hash.update(header)\n return {\n algorithm: \"SHA256\",\n hash: hash.digest(\"hex\"),\n }\n}\n\nexport function hashFile(file: string, blockSize = 4 * 1024 * 1024): Promise<NodeIntegrity> {\n return new Promise<NodeIntegrity>((resolve, reject) => {\n const hash = createHash(\"sha256\")\n\n const blocks = new Array<string>()\n\n let blockBytes = 0\n let blockHash = createHash(\"sha256\")\n\n function updateBlockHash(chunk: Buffer) {\n let off = 0\n while (off < chunk.length) {\n const toHash = Math.min(blockSize - blockBytes, chunk.length - off)\n blockHash.update(chunk.slice(off, off + toHash))\n off += toHash\n blockBytes += toHash\n\n if (blockBytes === blockSize) {\n blocks.push(blockHash.digest(\"hex\"))\n blockHash = createHash(\"sha256\")\n blockBytes = 0\n }\n }\n }\n\n createReadStream(file)\n .on(\"data\", it => {\n // Note that `it` is a Buffer anyway so this cast is a no-op\n updateBlockHash(Buffer.from(it))\n hash.update(it)\n })\n .on(\"error\", reject)\n .on(\"end\", () => {\n if (blockBytes !== 0) {\n blocks.push(blockHash.digest(\"hex\"))\n }\n resolve({\n algorithm: \"SHA256\",\n hash: hash.digest(\"hex\"),\n blockSize,\n blocks,\n })\n })\n })\n}\n\nexport function hashFileContents(contents: Buffer | string, blockSize = 4 * 1024 * 1024): NodeIntegrity {\n const buffer = Buffer.from(contents)\n const hash = createHash(\"sha256\")\n hash.update(buffer)\n\n const blocks = new Array<string>()\n\n for (let off = 0; off < buffer.length; off += blockSize) {\n const blockHash = createHash(\"sha256\")\n blockHash.update(buffer.slice(off, off + blockSize))\n blocks.push(blockHash.digest(\"hex\"))\n }\n\n return {\n algorithm: \"SHA256\",\n hash: hash.digest(\"hex\"),\n blockSize,\n blocks,\n }\n}\n"]}
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