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evinser.js
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import {
executeAtom,
getAllFiles,
getGradleCommand,
getMavenCommand,
collectGradleDependencies,
collectMvnDependencies,
DEBUG_MODE
} from "./utils.js";
import { tmpdir } from "node:os";
import path from "node:path";
import fs from "node:fs";
import * as db from "./db.js";
import { PackageURL } from "packageurl-js";
import { Op } from "sequelize";
import process from "node:process";
const DB_NAME = "evinser.db";
const typePurlsCache = {};
/**
* Function to create the db for the libraries referred in the sbom.
*
* @param {object} Command line options
*/
export const prepareDB = async (options) => {
if (!options.dbPath.includes("memory") && !fs.existsSync(options.dbPath)) {
try {
fs.mkdirSync(options.dbPath, { recursive: true });
} catch (e) {
// ignore
}
}
const dirPath = options._[0] || ".";
const bomJsonFile = options.input;
if (!fs.existsSync(bomJsonFile)) {
console.log(
"Bom file doesn't exist. Check if cdxgen was invoked with the correct type argument."
);
if (!process.env.CDXGEN_DEBUG_MODE) {
console.log(
"Set the environment variable CDXGEN_DEBUG_MODE to debug to troubleshoot the issue further."
);
}
return;
}
const bomJson = JSON.parse(fs.readFileSync(bomJsonFile, "utf8"));
if (bomJson.specVersion < 1.5) {
console.log(
"Evinse requires the input SBOM in CycloneDX 1.5 format or above. You can generate one by invoking cdxgen without any --spec-version argument."
);
process.exit(0);
}
const components = bomJson.components || [];
const { sequelize, Namespaces, Usages, DataFlows } = await db.createOrLoad(
DB_NAME,
options.dbPath
);
let hasMavenPkgs = false;
// We need to slice only non-maven packages
const purlsToSlice = {};
const purlsJars = {};
let usagesSlice = undefined;
for (const comp of components) {
if (!comp.purl) {
continue;
}
usagesSlice = await Usages.findByPk(comp.purl);
const namespaceSlice = await Namespaces.findByPk(comp.purl);
if ((!usagesSlice && !namespaceSlice) || options.force) {
if (comp.purl.startsWith("pkg:maven")) {
hasMavenPkgs = true;
}
}
}
// If there are maven packages we collect and store the namespaces
if (!options.skipMavenCollector && hasMavenPkgs) {
const pomXmlFiles = getAllFiles(dirPath, "**/" + "pom.xml");
const gradleFiles = getAllFiles(dirPath, "**/" + "build.gradle*");
if (pomXmlFiles && pomXmlFiles.length) {
await catalogMavenDeps(dirPath, purlsJars, Namespaces, options);
}
if (gradleFiles && gradleFiles.length) {
await catalogGradleDeps(dirPath, purlsJars, Namespaces);
}
}
for (const purl of Object.keys(purlsToSlice)) {
await createAndStoreSlice(purl, purlsJars, Usages, options);
}
return { sequelize, Namespaces, Usages, DataFlows };
};
export const catalogMavenDeps = async (
dirPath,
purlsJars,
Namespaces,
options = {}
) => {
let jarNSMapping = undefined;
if (fs.existsSync(path.join(dirPath, "bom.json.map"))) {
try {
const mapData = JSON.parse(
fs.readFileSync(path.join(dirPath, "bom.json.map"), "utf-8")
);
if (mapData && Object.keys(mapData).length) {
jarNSMapping = mapData;
}
} catch (err) {
// ignore
}
}
if (!jarNSMapping) {
console.log("About to collect jar dependencies for the path", dirPath);
const mavenCmd = getMavenCommand(dirPath, dirPath);
// collect all jars including from the cache if data-flow mode is enabled
jarNSMapping = await collectMvnDependencies(
mavenCmd,
dirPath,
false,
options.withDeepJarCollector
);
}
if (jarNSMapping) {
for (const purl of Object.keys(jarNSMapping)) {
purlsJars[purl] = jarNSMapping[purl].jarFile;
await Namespaces.findOrCreate({
where: { purl },
defaults: {
purl,
data: JSON.stringify(
{
pom: jarNSMapping[purl].pom,
namespaces: jarNSMapping[purl].namespaces
},
null,
2
)
}
});
}
}
};
export const catalogGradleDeps = async (dirPath, purlsJars, Namespaces) => {
console.log(
"About to collect jar dependencies from the gradle cache. This would take a while ..."
);
const gradleCmd = getGradleCommand(dirPath, dirPath);
// collect all jars including from the cache if data-flow mode is enabled
const jarNSMapping = await collectGradleDependencies(
gradleCmd,
dirPath,
false,
true
);
if (jarNSMapping) {
for (const purl of Object.keys(jarNSMapping)) {
purlsJars[purl] = jarNSMapping[purl].jarFile;
await Namespaces.findOrCreate({
where: { purl },
defaults: {
purl,
data: JSON.stringify(
{
pom: jarNSMapping[purl].pom,
namespaces: jarNSMapping[purl].namespaces
},
null,
2
)
}
});
}
}
console.log(
"To speed up successive re-runs, pass the argument --skip-maven-collector to evinse command."
);
};
export const createAndStoreSlice = async (
purl,
purlsJars,
Usages,
options = {}
) => {
const retMap = createSlice(purl, purlsJars[purl], "usages", options);
let sliceData = undefined;
if (retMap && retMap.slicesFile && fs.existsSync(retMap.slicesFile)) {
sliceData = await Usages.findOrCreate({
where: { purl },
defaults: {
purl,
data: fs.readFileSync(retMap.slicesFile, "utf-8")
}
});
}
if (retMap && retMap.tempDir && retMap.tempDir.startsWith(tmpdir())) {
fs.rmSync(retMap.tempDir, { recursive: true, force: true });
}
return sliceData;
};
export const createSlice = (
purlOrLanguage,
filePath,
sliceType = "usages",
options = {}
) => {
if (!filePath) {
return;
}
console.log(
`Create ${sliceType} slice for ${path.resolve(filePath)}. Please wait ...`
);
const language = purlOrLanguage.startsWith("pkg:")
? purlToLanguage(purlOrLanguage, filePath)
: purlOrLanguage;
if (!language) {
return undefined;
}
let sliceOutputDir = fs.mkdtempSync(
path.join(tmpdir(), `atom-${sliceType}-`)
);
if (options && options.output) {
sliceOutputDir =
fs.existsSync(options.output) &&
fs.lstatSync(options.output).isDirectory()
? path.basename(options.output)
: path.dirname(options.output);
}
const atomFile = path.join(sliceOutputDir, "app.atom");
const slicesFile = path.join(sliceOutputDir, `${sliceType}.slices.json`);
const args = [
sliceType,
"-l",
language,
"-o",
path.resolve(atomFile),
"--slice-outfile",
path.resolve(slicesFile)
];
// For projects with several layers, slice depth needs to be increased from the default 7 to 15 or 20
// This would increase the time but would yield more deeper paths
if (sliceType == "data-flow" && process.env.ATOM_SLICE_DEPTH) {
args.push("--slice-depth");
args.push(process.env.ATOM_SLICE_DEPTH);
}
args.push(path.resolve(filePath));
const result = executeAtom(filePath, args);
if (!result || !fs.existsSync(slicesFile)) {
console.warn(
`Unable to generate ${sliceType} slice using atom. Check if this is a supported language.`
);
console.log(
"Set the environment variable CDXGEN_DEBUG_MODE=debug to troubleshoot."
);
}
return {
tempDir: sliceOutputDir,
slicesFile,
atomFile
};
};
export const purlToLanguage = (purl, filePath) => {
let language = undefined;
const purlObj = PackageURL.fromString(purl);
switch (purlObj.type) {
case "maven":
language = filePath && filePath.endsWith(".jar") ? "jar" : "java";
break;
case "npm":
language = "javascript";
break;
case "pypi":
language = "python";
break;
case "composer":
language = "php";
break;
case "generic":
language = "c";
}
return language;
};
export const initFromSbom = (components, language) => {
const purlLocationMap = {};
const purlImportsMap = {};
for (const comp of components) {
if (!comp || !comp.evidence) {
continue;
}
if (language === "php") {
(comp.properties || [])
.filter((v) => v.name === "Namespaces")
.forEach((v) => {
purlImportsMap[comp.purl] = (v.value || "").split(", ");
});
} else {
(comp.properties || [])
.filter((v) => v.name === "ImportedModules")
.forEach((v) => {
purlImportsMap[comp.purl] = (v.value || "").split(",");
});
}
if (comp.evidence.occurrences) {
purlLocationMap[comp.purl] = new Set(
comp.evidence.occurrences.map((v) => v.location)
);
}
}
return {
purlLocationMap,
purlImportsMap
};
};
/**
* Function to analyze the project
*
* @param {object} dbObjMap DB and model instances
* @param {object} Command line options
*/
export const analyzeProject = async (dbObjMap, options) => {
const dirPath = options._[0] || ".";
const language = options.language;
let usageSlice = undefined;
let dataFlowSlice = undefined;
let reachablesSlice = undefined;
let usagesSlicesFile = undefined;
let dataFlowSlicesFile = undefined;
let reachablesSlicesFile = undefined;
let dataFlowFrames = {};
let servicesMap = {};
let retMap = {};
let userDefinedTypesMap = {};
const bomFile = options.input;
const bomJson = JSON.parse(fs.readFileSync(bomFile, "utf8"));
const components = bomJson.components || [];
// Load any existing purl-location information from the sbom.
// For eg: cdxgen populates this information for javascript projects
let { purlLocationMap, purlImportsMap } = initFromSbom(components, language);
// Do reachables first so that usages slicing can reuse the atom file
if (options.withReachables) {
if (
options.reachablesSlicesFile &&
fs.existsSync(options.reachablesSlicesFile)
) {
reachablesSlicesFile = options.reachablesSlicesFile;
reachablesSlice = JSON.parse(
fs.readFileSync(options.reachablesSlicesFile, "utf-8")
);
} else {
retMap = createSlice(language, dirPath, "reachables", options);
if (retMap && retMap.slicesFile && fs.existsSync(retMap.slicesFile)) {
reachablesSlicesFile = retMap.slicesFile;
reachablesSlice = JSON.parse(
fs.readFileSync(retMap.slicesFile, "utf-8")
);
}
}
}
if (reachablesSlice && Object.keys(reachablesSlice).length) {
dataFlowFrames = await collectReachableFrames(language, reachablesSlice);
}
// Reuse existing usages slices
if (options.usagesSlicesFile && fs.existsSync(options.usagesSlicesFile)) {
usageSlice = JSON.parse(fs.readFileSync(options.usagesSlicesFile, "utf-8"));
usagesSlicesFile = options.usagesSlicesFile;
} else {
// Generate our own slices
retMap = createSlice(language, dirPath, "usages", options);
if (retMap && retMap.slicesFile && fs.existsSync(retMap.slicesFile)) {
usageSlice = JSON.parse(fs.readFileSync(retMap.slicesFile, "utf-8"));
usagesSlicesFile = retMap.slicesFile;
}
}
if (usageSlice && Object.keys(usageSlice).length) {
const retMap = await parseObjectSlices(
language,
usageSlice,
dbObjMap,
servicesMap,
purlLocationMap,
purlImportsMap
);
purlLocationMap = retMap.purlLocationMap;
servicesMap = retMap.servicesMap;
userDefinedTypesMap = retMap.userDefinedTypesMap;
}
if (options.withDataFlow) {
if (
options.dataFlowSlicesFile &&
fs.existsSync(options.dataFlowSlicesFile)
) {
dataFlowSlicesFile = options.dataFlowSlicesFile;
dataFlowSlice = JSON.parse(
fs.readFileSync(options.dataFlowSlicesFile, "utf-8")
);
} else {
retMap = createSlice(language, dirPath, "data-flow", options);
if (retMap && retMap.slicesFile && fs.existsSync(retMap.slicesFile)) {
dataFlowSlicesFile = retMap.slicesFile;
dataFlowSlice = JSON.parse(fs.readFileSync(retMap.slicesFile, "utf-8"));
}
}
}
if (dataFlowSlice && Object.keys(dataFlowSlice).length) {
dataFlowFrames = await collectDataFlowFrames(
language,
userDefinedTypesMap,
dataFlowSlice,
dbObjMap,
purlLocationMap,
purlImportsMap
);
}
return {
atomFile: retMap.atomFile,
usagesSlicesFile,
dataFlowSlicesFile,
reachablesSlicesFile,
purlLocationMap,
servicesMap,
dataFlowFrames,
tempDir: retMap.tempDir,
userDefinedTypesMap
};
};
export const parseObjectSlices = async (
language,
usageSlice,
dbObjMap,
servicesMap = {},
purlLocationMap = {},
purlImportsMap = {}
) => {
if (!usageSlice || !Object.keys(usageSlice).length) {
return purlLocationMap;
}
const userDefinedTypesMap = {};
(usageSlice.userDefinedTypes || []).forEach((ut) => {
userDefinedTypesMap[ut.name] = true;
});
for (const slice of [
...(usageSlice.objectSlices || []),
...(usageSlice.userDefinedTypes || [])
]) {
// Skip the library code typically without filename
if (
!slice.fileName ||
!slice.fileName.trim().length ||
slice.fileName === "<empty>" ||
slice.fileName === "<unknown>"
) {
continue;
}
await parseSliceUsages(
language,
userDefinedTypesMap,
slice,
dbObjMap,
purlLocationMap,
purlImportsMap
);
detectServicesFromUsages(language, slice, servicesMap);
}
detectServicesFromUDT(language, usageSlice.userDefinedTypes, servicesMap);
return {
purlLocationMap,
servicesMap,
userDefinedTypesMap
};
};
/**
* The implementation of this function is based on the logic proposed in the atom slices specification
* https://github.com/AppThreat/atom/blob/main/specification/docs/slices.md#use
*
* @param {string} language Application language
* @param {object} userDefinedTypesMap User Defined types in the application
* @param {array} usages Usages array for each objectSlice
* @param {object} dbObjMap DB Models
* @param {object} purlLocationMap Object to track locations where purls are used
* @param {object} purlImportsMap Object to track package urls and their import aliases
* @returns
*/
export const parseSliceUsages = async (
language,
userDefinedTypesMap,
slice,
dbObjMap,
purlLocationMap,
purlImportsMap
) => {
const fileName = slice.fileName;
const typesToLookup = new Set();
const lKeyOverrides = {};
const usages = slice.usages || [];
// Annotations from usages
if (slice.signature && slice.signature.startsWith("@") && !usages.length) {
typesToLookup.add(slice.fullName);
addToOverrides(lKeyOverrides, slice.fullName, fileName, slice.lineNumber);
}
// PHP imports from usages
if (slice.code && slice.code.startsWith("use") && !usages.length) {
typesToLookup.add(slice.fullName);
addToOverrides(lKeyOverrides, slice.fullName, fileName, slice.lineNumber);
}
for (const ausage of usages) {
const ausageLine =
ausage?.targetObj?.lineNumber || ausage?.definedBy?.lineNumber;
// First capture the types in the targetObj and definedBy
for (const atype of [
[ausage?.targetObj?.isExternal, ausage?.targetObj?.typeFullName],
[ausage?.targetObj?.isExternal, ausage?.targetObj?.resolvedMethod],
[ausage?.definedBy?.isExternal, ausage?.definedBy?.typeFullName],
[ausage?.definedBy?.isExternal, ausage?.definedBy?.resolvedMethod],
...(ausage?.fields || []).map((f) => [f?.isExternal, f?.typeFullName])
]) {
if (
atype[0] !== false &&
!isFilterableType(language, userDefinedTypesMap, atype[1])
) {
if (!atype[1].includes("(") && !atype[1].includes(".py")) {
typesToLookup.add(simplifyType(atype[1]));
// Javascript calls can be resolved to a precise line number only from the call nodes
if (
["javascript", "js", "ts", "typescript"].includes(language) &&
ausageLine
) {
if (atype[1].includes(":")) {
typesToLookup.add(
simplifyType(atype[1].split("::")[0].replace(/:/g, "/"))
);
}
addToOverrides(lKeyOverrides, atype[1], fileName, ausageLine);
}
}
const maybeClassType = getClassTypeFromSignature(language, atype[1]);
typesToLookup.add(maybeClassType);
if (ausageLine) {
addToOverrides(lKeyOverrides, maybeClassType, fileName, ausageLine);
}
}
}
// Now capture full method signatures from invokedCalls, argToCalls including the paramtypes
for (const acall of []
.concat(ausage?.invokedCalls || [])
.concat(ausage?.argToCalls || [])
.concat(ausage?.procedures || [])) {
if (acall.resolvedMethod && acall.resolvedMethod.startsWith("@")) {
typesToLookup.add(acall.callName);
if (acall.lineNumber) {
addToOverrides(
lKeyOverrides,
acall.callName,
fileName,
acall.lineNumber
);
}
} else if (acall.isExternal == false) {
continue;
}
if (
!isFilterableType(language, userDefinedTypesMap, acall?.resolvedMethod)
) {
if (
!acall?.resolvedMethod.includes("(") &&
!acall?.resolvedMethod.includes(".py")
) {
typesToLookup.add(simplifyType(acall?.resolvedMethod));
// Javascript calls can be resolved to a precise line number only from the call nodes
if (acall.lineNumber) {
addToOverrides(
lKeyOverrides,
acall?.resolvedMethod,
fileName,
acall.lineNumber
);
}
}
const maybeClassType = getClassTypeFromSignature(
language,
acall?.resolvedMethod
);
typesToLookup.add(maybeClassType);
if (acall.lineNumber) {
addToOverrides(
lKeyOverrides,
maybeClassType,
fileName,
acall.lineNumber
);
}
}
for (const aparamType of acall?.paramTypes || []) {
if (!isFilterableType(language, userDefinedTypesMap, aparamType)) {
if (!aparamType.includes("(") && !aparamType.includes(".py")) {
typesToLookup.add(simplifyType(aparamType));
if (acall.lineNumber) {
if (aparamType.includes(":")) {
typesToLookup.add(
simplifyType(aparamType.split("::")[0].replace(/:/g, "/"))
);
}
addToOverrides(
lKeyOverrides,
aparamType,
fileName,
acall.lineNumber
);
}
}
const maybeClassType = getClassTypeFromSignature(
language,
aparamType
);
typesToLookup.add(maybeClassType);
if (acall.lineNumber) {
addToOverrides(
lKeyOverrides,
maybeClassType,
fileName,
acall.lineNumber
);
}
}
}
}
}
for (const atype of typesToLookup) {
if (isFilterableType(language, userDefinedTypesMap, atype)) {
continue;
}
if (purlImportsMap && Object.keys(purlImportsMap).length) {
for (const apurl of Object.keys(purlImportsMap)) {
const apurlImports = purlImportsMap[apurl];
if (language === "php") {
for (const aimp of apurlImports) {
if (atype.startsWith(aimp)) {
if (!purlLocationMap[apurl]) {
purlLocationMap[apurl] = new Set();
}
if (lKeyOverrides[atype]) {
purlLocationMap[apurl].add(...lKeyOverrides[atype]);
}
}
}
} else {
if (apurlImports && apurlImports.includes(atype)) {
if (!purlLocationMap[apurl]) {
purlLocationMap[apurl] = new Set();
}
if (lKeyOverrides[atype]) {
purlLocationMap[apurl].add(...lKeyOverrides[atype]);
}
}
}
}
} else {
// Check the namespaces db
let nsHits = typePurlsCache[atype];
if (!nsHits && ["java", "jar"].includes(language)) {
nsHits = await dbObjMap.Namespaces.findAll({
attributes: ["purl"],
where: {
data: {
[Op.like]: `%${atype}%`
}
}
});
}
if (nsHits && nsHits.length) {
for (const ns of nsHits) {
if (!purlLocationMap[ns.purl]) {
purlLocationMap[ns.purl] = new Set();
}
if (lKeyOverrides[atype]) {
purlLocationMap[ns.purl].add(...lKeyOverrides[atype]);
}
}
typePurlsCache[atype] = nsHits;
} else {
// Avoid persistent lookups
typePurlsCache[atype] = [];
}
}
}
};
export const isFilterableType = (
language,
userDefinedTypesMap,
typeFullName
) => {
if (
!typeFullName ||
["ANY", "UNKNOWN", "VOID", "IMPORT"].includes(typeFullName.toUpperCase())
) {
return true;
}
for (const ab of [
"<operator",
"<unresolved",
"<unknownFullName",
"__builtin",
"LAMBDA",
"../"
]) {
if (typeFullName.startsWith(ab)) {
return true;
}
}
if (language && ["java", "jar"].includes(language)) {
if (
!typeFullName.includes(".") ||
typeFullName.startsWith("@") ||
typeFullName.startsWith("java.") ||
typeFullName.startsWith("sun.") ||
typeFullName.startsWith("jdk.") ||
typeFullName.startsWith("org.w3c.") ||
typeFullName.startsWith("org.xml.") ||
typeFullName.startsWith("javax.xml.")
) {
return true;
}
}
if (["javascript", "js", "ts", "typescript"].includes(language)) {
if (
typeFullName.includes(".js") ||
typeFullName.includes("=>") ||
typeFullName.startsWith("__") ||
typeFullName.startsWith("{ ") ||
typeFullName.startsWith("JSON") ||
typeFullName.startsWith("void:") ||
typeFullName.startsWith("node:")
) {
return true;
}
}
if (["python", "py"].includes(language)) {
if (
typeFullName.startsWith("tmp") ||
typeFullName.startsWith("self.") ||
typeFullName.startsWith("_")
) {
return true;
}
}
if (["php"].includes(language)) {
if (!typeFullName.includes("\\") && !typeFullName.startsWith("use")) {
return true;
}
}
if (userDefinedTypesMap[typeFullName]) {
return true;
}
return false;
};
/**
* Method to detect services from annotation objects in the usage slice
*
* @param {string} language Application language
* @param {array} usages Usages array for each objectSlice
* @param {object} servicesMap Existing service map
*/
export const detectServicesFromUsages = (language, slice, servicesMap = {}) => {
const usages = slice.usages;
if (!usages) {
return [];
}
for (const usage of usages) {
const targetObj = usage?.targetObj;
const definedBy = usage?.definedBy;
let endpoints = [];
let authenticated = undefined;
if (targetObj && targetObj?.resolvedMethod) {
if (language != "php") {
endpoints = extractEndpoints(language, targetObj?.resolvedMethod);
}
if (targetObj?.resolvedMethod.toLowerCase().includes("auth")) {
authenticated = true;
}
} else if (definedBy && definedBy?.resolvedMethod) {
if (language != "php") {
endpoints = extractEndpoints(language, definedBy?.resolvedMethod);
}
if (definedBy?.resolvedMethod.toLowerCase().includes("auth")) {
authenticated = true;
}
}
if (usage.invokedCalls) {
for (const acall of usage.invokedCalls) {
if (acall.resolvedMethod) {
if (language != "php") {
const tmpEndpoints = extractEndpoints(
language,
acall.resolvedMethod
);
if (acall.resolvedMethod.toLowerCase().includes("auth")) {
authenticated = true;
}
if (tmpEndpoints && tmpEndpoints.length) {
endpoints = (endpoints || []).concat(tmpEndpoints);
}
}
}
}
}
if (endpoints && endpoints.length) {
const serviceName = constructServiceName(language, slice);
if (!servicesMap[serviceName]) {
servicesMap[serviceName] = {
endpoints: new Set(),
authenticated,
xTrustBoundary: authenticated === true ? true : undefined
};
}
for (const endpoint of endpoints) {
servicesMap[serviceName].endpoints.add(endpoint);
}
}
}
};
/**
* Method to detect services from user defined types in the usage slice
*
* @param {string} language Application language
* @param {array} userDefinedTypes User defined types
* @param {object} servicesMap Existing service map
*/
export const detectServicesFromUDT = (
language,
userDefinedTypes,
servicesMap
) => {
if (
["python", "py", "c", "cpp", "c++", "php"].includes(language) &&
userDefinedTypes &&
userDefinedTypes.length
) {
for (const audt of userDefinedTypes) {
if (
audt.name.toLowerCase().includes("route") ||
audt.name.toLowerCase().includes("path") ||
audt.name.toLowerCase().includes("url") ||
audt.name.toLowerCase().includes("registerhandler") ||
audt.name.toLowerCase().includes("endpoint") ||
audt.name.toLowerCase().includes("api") ||
audt.name.toLowerCase().includes("add_method") ||
audt.name.toLowerCase().includes("get") ||
audt.name.toLowerCase().includes("post") ||
audt.name.toLowerCase().includes("delete") ||
audt.name.toLowerCase().includes("put") ||
audt.name.toLowerCase().includes("head") ||
audt.name.toLowerCase().includes("options") ||
audt.name.toLowerCase().includes("addRoute") ||
audt.name.toLowerCase().includes("connect")
) {
const fields = audt.fields || [];
if (
fields.length &&
fields[0] &&
fields[0].name &&
fields[0].name.length > 1
) {
const endpoints = extractEndpoints(language, fields[0].name);
let serviceName = "service";
if (audt.fileName) {
serviceName = `${path.basename(
audt.fileName.replace(".py", "")
)}-service`;
}
if (endpoints && endpoints.length) {
if (!servicesMap[serviceName]) {
servicesMap[serviceName] = {
endpoints: new Set(),
authenticated: false,
xTrustBoundary: undefined
};
}
for (const endpoint of endpoints) {
servicesMap[serviceName].endpoints.add(endpoint);
}
}
}
}
}
}
};
export const constructServiceName = (language, slice) => {
let serviceName = "service";
if (slice?.fullName) {
serviceName = slice.fullName.split(":")[0].replace(/\./g, "-");
} else if (slice?.fileName) {
serviceName = path.basename(slice.fileName).split(".")[0];
}
if (!serviceName.endsWith("service")) {
serviceName = serviceName + "-service";
}
return serviceName;
};
export const extractEndpoints = (language, code) => {
if (!code) {
return undefined;
}
let endpoints = undefined;
switch (language) {
case "java":
case "jar":
if (
code.startsWith("@") &&
(code.includes("Mapping") || code.includes("Path")) &&
code.includes("(")
) {
const matches = code.match(/['"](.*?)['"]/gi) || [];
endpoints = matches
.map((v) => v.replace(/["']/g, ""))
.filter(
(v) =>
v.length &&
!v.startsWith(".") &&
v.includes("/") &&
!v.startsWith("@")
);
}
break;
case "js":
case "ts":
case "javascript":
case "typescript":
if (code.includes("app.") || code.includes("route")) {
const matches = code.match(/['"](.*?)['"]/gi) || [];
endpoints = matches
.map((v) => v.replace(/["']/g, ""))
.filter(
(v) =>
v.length &&
!v.startsWith(".") &&
v.includes("/") &&
!v.startsWith("@") &&
!v.startsWith("application/") &&
!v.startsWith("text/")
);
}
break;
default:
endpoints = (code.match(/['"](.*?)['"]/gi) || [])
.map((v) => v.replace(/["']/g, "").replace("\n", ""))
.filter((v) => v.length > 2 && v.includes("/"));
break;
}
return endpoints;
};
/**
* Method to create the SBOM with evidence file called evinse file.
*
* @param {object} sliceArtefacts Various artefacts from the slice operation
* @param {object} options Command line options
* @returns
*/
export const createEvinseFile = (sliceArtefacts, options) => {
const {
tempDir,
usagesSlicesFile,
dataFlowSlicesFile,
reachablesSlicesFile,
purlLocationMap,
servicesMap,
dataFlowFrames
} = sliceArtefacts;
const bomFile = options.input;
const evinseOutFile = options.output;
const bomJson = JSON.parse(fs.readFileSync(bomFile, "utf8"));
const components = bomJson.components || [];
let occEvidencePresent = false;
let csEvidencePresent = false;
let servicesPresent = false;
for (const comp of components) {
if (!comp.purl) {
continue;
}
delete comp.signature;
const locationOccurrences = Array.from(
purlLocationMap[comp.purl] || []
).sort();
if (locationOccurrences.length) {
if (!comp.evidence) {
comp.evidence = {};
}
// This step would replace any existing occurrences
// This is fine as long as the input sbom was also generated by cdxgen
comp.evidence.occurrences = locationOccurrences