snyk-docker-plugin/dist/dockerfile/index.js

Snyk CLI docker plugin

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.updateDockerfileBaseImageName = exports.getDockerfileBaseImageName = exports.getPackagesFromDockerfile = exports.instructionDigest = exports.readDockerfileAndAnalyse = exports.analyseDockerfile = void 0;
const dockerfile_ast_1 = require("dockerfile-ast");
const fs = require("fs");
const path_1 = require("path");
const instruction_parser_1 = require("./instruction-parser");
Object.defineProperty(exports, "getDockerfileBaseImageName", { enumerable: true, get: function () { return instruction_parser_1.getDockerfileBaseImageName; } });
Object.defineProperty(exports, "getPackagesFromDockerfile", { enumerable: true, get: function () { return instruction_parser_1.getPackagesFromDockerfile; } });
Object.defineProperty(exports, "instructionDigest", { enumerable: true, get: function () { return instruction_parser_1.instructionDigest; } });
const instruction_updater_1 = require("./instruction-updater");
Object.defineProperty(exports, "updateDockerfileBaseImageName", { enumerable: true, get: function () { return instruction_updater_1.updateDockerfileBaseImageName; } });
async function readDockerfileAndAnalyse(dockerfilePath) {
    if (!dockerfilePath) {
        return undefined;
    }
    const contents = await readFile((0, path_1.normalize)(dockerfilePath));
    return analyseDockerfile(contents);
}
exports.readDockerfileAndAnalyse = readDockerfileAndAnalyse;
async function analyseDockerfile(contents) {
    const dockerfile = dockerfile_ast_1.DockerfileParser.parse(contents);
    const baseImageResult = (0, instruction_parser_1.getDockerfileBaseImageName)(dockerfile);
    const dockerfilePackages = (0, instruction_parser_1.getPackagesFromDockerfile)(dockerfile);
    const dockerfileLayers = (0, instruction_parser_1.getLayersFromPackages)(dockerfilePackages);
    return {
        baseImage: baseImageResult.baseImage,
        dockerfilePackages,
        dockerfileLayers,
        error: baseImageResult.error,
    };
}
exports.analyseDockerfile = analyseDockerfile;
async function readFile(path) {
    return new Promise((resolve, reject) => {
        fs.readFile(path, "utf8", (err, data) => {
            return err ? reject(err) : resolve(data);
        });
    });
}
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