dolphin-tool/dist/src/dolphin-tool/dolphinToolVerify.js

🐬 dolphin-tool binaries and wrapper for Node.js.

import DolphinToolBin from './dolphinToolBin.js';
import { DigestAlgorithm } from './common.js';
import utils from './utils.js';
export default {
    async verify(options, attempt = 1) {
        const runOptions = [
            'verify',
            '-i', options.inputFilename,
            ...(options.digestAlgorithm === undefined ? [] : ['-a', options.digestAlgorithm]),
        ];
        let output;
        // eslint-disable-next-line unicorn/prefer-ternary
        if (process.platform === 'win32' && options.userFolderPath === undefined) {
            /**
             * Windows (and seemingly no other OS) has issues with concurrent or rapid execution of
             * `DolphinTool.exe`, resulting in popups with messages such as:
             *    "IOS_FS: Failed to write new FST"
             *    "IOS_FS: Failed to rename temporary FST file"
             *    "File <userDir>/Wii/shared2/sys/SYSCONF could not be opened! This may happen with
             *      improper permissions or use by another process."
             * To combat this, we have to use separate user directories per process.
             */
            output = await utils.wrapTempDir(async (temporaryDirectory) => DolphinToolBin.run([
                ...runOptions,
                '-u', temporaryDirectory,
            ], options));
        }
        else {
            output = await DolphinToolBin.run([
                ...runOptions,
                ...(options.userFolderPath ? ['-u', options.userFolderPath] : []),
            ], options);
        }
        const digests = {};
        for (const line of output.split(/\r?\n/)) {
            if (line.match(/^crc32\W/i) !== null || options.digestAlgorithm === DigestAlgorithm.CRC32) {
                digests.crc32 = line.match(/[\da-f]{8}/i)?.at(0);
            }
            if (line.match(/^md5\W/i) !== null || options.digestAlgorithm === DigestAlgorithm.MD5) {
                digests.md5 = line.match(/[\da-f]{32}/i)?.at(0);
            }
            if (line.match(/^sha1\W/i) !== null || options.digestAlgorithm === DigestAlgorithm.SHA1) {
                digests.sha1 = line.match(/[\da-f]{40}/i)?.at(0);
            }
            if (line.match(/^rchash\W/i) !== null || options.digestAlgorithm === DigestAlgorithm.RCHASH) {
                digests.rchash = line.match(/[\da-f]{32}/i)?.at(0);
            }
        }
        // Try to detect failures, and then retry them automatically
        if (Object.values(digests).filter((value) => value !== undefined).length === 0) {
            await new Promise((resolve) => {
                setTimeout(resolve, Math.random() * (2 ** (attempt - 1) * 20));
            });
            return this.verify(options, attempt + 1);
        }
        return digests;
    },
};
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