feat(llm-security): add zero-dep plugin.xml + MANIFEST.MF parsers
This commit is contained in:
Kjell Tore Guttormsen
parent
50c0cd3065
commit
b86239448d
2 changed files with 546 additions and 4 deletions
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@ -1,5 +1,9 @@
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// ide-extension-parser.mjs — Parse VS Code extension package.json into normalized manifest.
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// ide-extension-parser.mjs — Parse IDE extension manifests into a normalized shape.
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// Zero dependencies (Node.js builtins only).
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//
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// Two extension types are supported:
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// - type: 'vscode' → parseVSCodeExtension (package.json + contributes)
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// - type: 'jetbrains' → parseIntelliJPlugin (plugin.xml + MANIFEST.MF inside JARs)
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import { readFile, access } from 'node:fs/promises';
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import { join } from 'node:path';
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@ -10,6 +14,9 @@ async function pathExists(p) {
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/**
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* @typedef {object} ParsedManifest
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* @property {'vscode'|'jetbrains'} type
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*
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* // Shared / VS Code fields (kept at top level for backward compat with runIdeChecks)
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* @property {string} id
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* @property {string} publisher
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* @property {string} name
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@ -28,6 +35,20 @@ async function pathExists(p) {
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* @property {object|string|null} repository
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* @property {object} dependencies
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* @property {boolean} hasSignature
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*
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* // JetBrains-only fields (present only when type === 'jetbrains')
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* @property {string} [pluginId]
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* @property {string|null} [sinceBuild]
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* @property {string|null} [untilBuild]
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* @property {Array<{id:string, optional:boolean, configFile:string|null}>} [depends]
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* @property {Array<{namespace:string, name:string, attrs:object}>} [extensionDeclarations]
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* @property {string[]} [applicationComponents]
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* @property {Array<{topic:string, class:string}>} [listeners]
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* @property {boolean} [hasPremainClass]
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* @property {string|null} [premainClass]
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* @property {Array<{path:string, size:number, sha256:string}>} [nativeBinaries]
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* @property {Array<{name:string, version:string|null, shaded:boolean, coords:string|null}>} [bundledJars]
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* @property {Array<{id:string, path:string}>} [themeProviders]
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*/
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/**
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@ -70,6 +91,7 @@ export async function parseVSCodeExtension(extRoot) {
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const hasSignature = await pathExists(join(extRoot, '.signature.p7s'));
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const manifest = {
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type: 'vscode',
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id: `${publisher}.${name}`.toLowerCase(),
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publisher: publisher.toLowerCase(),
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name: name.toLowerCase(),
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@ -94,16 +116,293 @@ export async function parseVSCodeExtension(extRoot) {
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}
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/**
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* Parse a .vsix file. Stub for v1 — user must extract first.
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* Parse a .vsix file. Stub — caller extracts first via lib/zip-extract.mjs.
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* @param {string} vsixPath
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* @throws {Error}
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*/
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export async function parseVsixFile(vsixPath) {
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throw new Error(`VSIX parsing not implemented in v6.3.0. Extract manually (unzip ${vsixPath}) and pass the extracted directory.`);
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throw new Error(`VSIX parsing not implemented in library-direct form. Extract manually (unzip ${vsixPath}) and pass the extracted directory.`);
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}
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// ---------------------------------------------------------------------------
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// JetBrains helpers — zero-dep plugin.xml + MANIFEST.MF parsers
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// ---------------------------------------------------------------------------
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const NAMED_ENTITIES = {
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amp: '&', lt: '<', gt: '>', quot: '"', apos: "'",
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};
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/**
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* Decode XML entity references in text content (non-CDATA).
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* @param {string} s
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* @returns {string}
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*/
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function decodeEntities(s) {
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return s.replace(/&(#x?[0-9a-fA-F]+|[a-zA-Z]+);/g, (full, inner) => {
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if (inner.startsWith('#x') || inner.startsWith('#X')) {
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const cp = parseInt(inner.slice(2), 16);
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return Number.isFinite(cp) ? String.fromCodePoint(cp) : full;
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}
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if (inner.startsWith('#')) {
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const cp = parseInt(inner.slice(1), 10);
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return Number.isFinite(cp) ? String.fromCodePoint(cp) : full;
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}
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return Object.prototype.hasOwnProperty.call(NAMED_ENTITIES, inner)
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? NAMED_ENTITIES[inner]
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: full;
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});
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}
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/**
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* Parse an IntelliJ plugin. Stub for v1.1.
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* Capture the first match of a named element. Returns its text content
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* (with CDATA honoured, otherwise entity-decoded), or null.
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* @param {string} xml
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* @param {string} tag
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* @returns {string|null}
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*/
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function firstElementText(xml, tag) {
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const re = new RegExp(`<${tag}\\b[^>]*>([\\s\\S]*?)</${tag}>`, 'i');
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const m = xml.match(re);
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if (!m) return null;
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return normalizeTextContent(m[1]);
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}
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function normalizeTextContent(raw) {
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const trimmed = raw.trim();
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if (trimmed.startsWith('<![CDATA[') && trimmed.endsWith(']]>')) {
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return trimmed.slice(9, -3);
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}
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return decodeEntities(trimmed);
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}
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/**
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* Parse a `key="value"` or `key='value'` attribute list.
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* @param {string} attrBlob - e.g. ` id="X" path='Y'`
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* @returns {Record<string,string>}
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*/
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function parseAttrs(attrBlob) {
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const attrs = {};
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if (!attrBlob) return attrs;
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const re = /([\w-]+)\s*=\s*(?:"([^"]*)"|'([^']*)')/g;
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let m;
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while ((m = re.exec(attrBlob)) !== null) {
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attrs[m[1]] = decodeEntities(m[2] !== undefined ? m[2] : m[3]);
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}
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return attrs;
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}
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/**
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* Parse a JetBrains `plugin.xml` document.
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*
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* Regex-based, intentionally lenient. Malformed input returns
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* `{ manifest: null, warnings: [...] }` rather than throwing.
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*
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* @param {string} xmlString
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* @returns {{ manifest: object|null, warnings: string[] }}
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*/
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export function parsePluginXml(xmlString) {
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const warnings = [];
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if (typeof xmlString !== 'string') {
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return { manifest: null, warnings: ['input is not a string'] };
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}
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// --- Pre-processing pipeline ---
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let xml = xmlString.replace(/^\uFEFF/, '');
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xml = xml.replace(/\r\n?/g, '\n');
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xml = xml.replace(/<!--[\s\S]*?-->/g, '');
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// Bail on obviously malformed (no <idea-plugin> root and no <id>)
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if (!/<idea-plugin\b/i.test(xml) && !/<id\b/i.test(xml)) {
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warnings.push('no <idea-plugin> or <id> element found — not a plugin.xml');
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return { manifest: null, warnings };
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}
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// Bail on unbalanced-tag smell: count open vs close for <id> and <name>.
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// Both are required non-self-closing elements in plugin.xml, so any mismatch
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// signals truncation or malformed input.
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const balanceChecks = [
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{ open: /<id\b[^>]*>/g, close: /<\/id>/g, tag: 'id' },
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{ open: /<name\b[^>]*>/g, close: /<\/name>/g, tag: 'name' },
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];
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for (const { open, close, tag } of balanceChecks) {
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const o = (xml.match(open) || []).length;
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const c = (xml.match(close) || []).length;
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if (o > 0 && o !== c) {
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warnings.push(`unbalanced <${tag}> tags — truncated input`);
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return { manifest: null, warnings };
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}
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}
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const safe = (fn, label) => {
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try { return fn(); } catch (err) {
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warnings.push(`${label}: ${err.message}`);
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return null;
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}
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};
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const pluginId = safe(() => firstElementText(xml, 'id'), 'pluginId') || '';
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const name = safe(() => firstElementText(xml, 'name'), 'name') || '';
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const version = safe(() => firstElementText(xml, 'version'), 'version') || '';
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// <vendor url="..." email="...">Name</vendor>
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let vendor = '';
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let vendorUrl = null;
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const vendorMatch = xml.match(/<vendor\b([^>]*)>([\s\S]*?)<\/vendor>/i);
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if (vendorMatch) {
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const attrs = parseAttrs(vendorMatch[1]);
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vendorUrl = attrs.url || null;
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vendor = normalizeTextContent(vendorMatch[2]);
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}
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// <idea-version since-build="A" until-build="B"/>
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let sinceBuild = null;
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let untilBuild = null;
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const ideaVersionMatch = xml.match(/<idea-version\b([^>]*)\/?\s*>/i);
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if (ideaVersionMatch) {
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const attrs = parseAttrs(ideaVersionMatch[1]);
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sinceBuild = attrs['since-build'] || null;
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untilBuild = attrs['until-build'] || null;
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}
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// <depends optional="true" config-file="X">ID</depends>
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const depends = [];
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const dependsRe = /<depends\b([^>]*)>([\s\S]*?)<\/depends>/gi;
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let dm;
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while ((dm = dependsRe.exec(xml)) !== null) {
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const attrs = parseAttrs(dm[1]);
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depends.push({
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id: normalizeTextContent(dm[2]),
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optional: attrs.optional === 'true',
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configFile: attrs['config-file'] || null,
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});
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}
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// <extensions defaultExtensionNs="com.intellij">...<extensions>
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const extensionDeclarations = [];
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const themeProviders = [];
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const extBlockRe = /<extensions\b([^>]*)>([\s\S]*?)<\/extensions>/gi;
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let em;
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while ((em = extBlockRe.exec(xml)) !== null) {
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const attrs = parseAttrs(em[1]);
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const ns = attrs.defaultExtensionNs || 'com.intellij';
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const body = em[2];
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// Children: <(name) ... /> or <(name) ...>...</(name)>
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// Use [^>]*? (non-greedy, slash allowed in attr values like path="/x/y")
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// so self-closing elements with slashes in attributes still match.
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const childRe = /<([\w.-]+)\b([^>]*?)(?:\/\s*>|>([\s\S]*?)<\/\1>)/g;
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let cm;
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while ((cm = childRe.exec(body)) !== null) {
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const childName = cm[1];
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const childAttrs = parseAttrs(cm[2]);
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extensionDeclarations.push({ namespace: ns, name: childName, attrs: childAttrs });
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if (childName === 'themeProvider') {
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themeProviders.push({
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id: childAttrs.id || '',
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path: childAttrs.path || '',
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});
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}
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}
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}
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// <application-components><component><implementation-class>X</implementation-class></component></application-components>
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const applicationComponents = [];
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const appCompBlockRe = /<application-components\b[^>]*>([\s\S]*?)<\/application-components>/gi;
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let am;
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while ((am = appCompBlockRe.exec(xml)) !== null) {
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const implRe = /<implementation-class>\s*([\s\S]*?)\s*<\/implementation-class>/g;
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let im;
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while ((im = implRe.exec(am[1])) !== null) {
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applicationComponents.push(decodeEntities(im[1]).trim());
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}
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}
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// <applicationListener topic="X" class="Y"/>
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const listeners = [];
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const listenerRe = /<applicationListener\b([^/>]*)\/?\s*>/gi;
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let lm;
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while ((lm = listenerRe.exec(xml)) !== null) {
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const attrs = parseAttrs(lm[1]);
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listeners.push({
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topic: attrs.topic || '',
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class: attrs.class || '',
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});
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}
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return {
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manifest: {
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pluginId,
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name,
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version,
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vendor,
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vendorUrl,
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sinceBuild,
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untilBuild,
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depends,
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extensionDeclarations,
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applicationComponents,
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listeners,
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themeProviders,
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},
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warnings,
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};
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}
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/**
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* Parse a `META-INF/MANIFEST.MF` file. Simple `Key: Value` line protocol.
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* Handles RFC-822 72-char continuation lines (lines starting with space/tab
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* are appended to the previous line's value).
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*
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* @param {string} mfString
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* @returns {{mainClass: string|null, premainClass: string|null, implTitle: string|null, implVersion: string|null, premainAttrs: object}}
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*/
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export function parseManifestMf(mfString) {
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const out = {
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mainClass: null,
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premainClass: null,
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implTitle: null,
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implVersion: null,
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premainAttrs: {},
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};
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if (typeof mfString !== 'string' || mfString.length === 0) return out;
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// Pre-processing
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let s = mfString.replace(/^\uFEFF/, '');
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s = s.replace(/\r\n?/g, '\n');
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// Concatenate continuation lines (lines beginning with a single space or tab).
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const rawLines = s.split('\n');
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const logical = [];
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for (const line of rawLines) {
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if (line.length > 0 && (line[0] === ' ' || line[0] === '\t') && logical.length > 0) {
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logical[logical.length - 1] += line.slice(1);
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} else {
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logical.push(line);
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}
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}
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for (const line of logical) {
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if (!line || !line.includes(': ')) continue;
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const idx = line.indexOf(': ');
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const key = line.slice(0, idx).trim();
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const value = line.slice(idx + 2);
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if (key === 'Main-Class') out.mainClass = value;
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else if (key === 'Premain-Class') out.premainClass = value;
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else if (key === 'Implementation-Title') out.implTitle = value;
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else if (key === 'Implementation-Version') out.implVersion = value;
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// Forensic collection of all Premain-* + Agent-* attributes
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if (/^(Premain-|Agent-|Boot-Class-Path|Can-)/.test(key)) {
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out.premainAttrs[key] = value;
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}
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}
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return out;
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}
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/**
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* Parse an IntelliJ plugin directory. Implemented in Step 6 (v6.6.0).
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* Stub preserved until Step 6 lands.
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* @param {string} pluginRoot
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* @returns {Promise<null>}
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*/
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243
plugins/llm-security/tests/scanners/jetbrains-parser.test.mjs
Normal file
243
plugins/llm-security/tests/scanners/jetbrains-parser.test.mjs
Normal file
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@ -0,0 +1,243 @@
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// jetbrains-parser.test.mjs — Zero-dep plugin.xml + MANIFEST.MF parsers.
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//
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// All inputs are inline strings — no filesystem fixtures required.
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import { describe, it } from 'node:test';
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import assert from 'node:assert/strict';
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import {
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parsePluginXml,
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parseManifestMf,
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} from '../../scanners/lib/ide-extension-parser.mjs';
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describe('parsePluginXml — happy path', () => {
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const xml = `<?xml version="1.0"?>
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<idea-plugin>
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<id>org.example.myplugin</id>
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<name>My Plugin</name>
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<version>1.2.3</version>
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<vendor url="https://example.com">Example Inc</vendor>
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<idea-version since-build="232.0" until-build="242.*"/>
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<depends>com.intellij.modules.platform</depends>
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<depends optional="true" config-file="python.xml">com.intellij.modules.python</depends>
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<extensions defaultExtensionNs="com.intellij">
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<applicationService serviceImplementation="org.example.Foo"/>
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<postStartupActivity implementation="org.example.Startup"/>
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<themeProvider id="my-theme" path="/themes/my.theme.json"/>
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</extensions>
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</idea-plugin>`;
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it('extracts pluginId, name, version, vendor', () => {
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const { manifest, warnings } = parsePluginXml(xml);
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assert.ok(manifest, `expected manifest, got null; warnings: ${warnings.join('; ')}`);
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assert.equal(manifest.pluginId, 'org.example.myplugin');
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assert.equal(manifest.name, 'My Plugin');
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assert.equal(manifest.version, '1.2.3');
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assert.equal(manifest.vendor, 'Example Inc');
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assert.equal(manifest.vendorUrl, 'https://example.com');
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});
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it('extracts idea-version build range', () => {
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const { manifest } = parsePluginXml(xml);
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assert.equal(manifest.sinceBuild, '232.0');
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assert.equal(manifest.untilBuild, '242.*');
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});
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it('extracts depends[] with optional + config-file', () => {
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const { manifest } = parsePluginXml(xml);
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assert.equal(manifest.depends.length, 2);
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assert.deepEqual(manifest.depends[0], {
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id: 'com.intellij.modules.platform', optional: false, configFile: null,
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});
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assert.deepEqual(manifest.depends[1], {
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id: 'com.intellij.modules.python', optional: true, configFile: 'python.xml',
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});
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});
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it('captures extension children with namespace', () => {
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const { manifest } = parsePluginXml(xml);
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const names = manifest.extensionDeclarations.map(e => e.name).sort();
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assert.deepEqual(names, ['applicationService', 'postStartupActivity', 'themeProvider']);
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assert.ok(manifest.extensionDeclarations.every(e => e.namespace === 'com.intellij'));
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});
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it('collects themeProviders[] with id + path', () => {
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const { manifest } = parsePluginXml(xml);
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assert.equal(manifest.themeProviders.length, 1);
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assert.equal(manifest.themeProviders[0].id, 'my-theme');
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assert.equal(manifest.themeProviders[0].path, '/themes/my.theme.json');
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});
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});
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describe('parsePluginXml — CDATA + entity handling', () => {
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it('preserves CDATA content verbatim', () => {
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const xml = `<idea-plugin>
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<id>x.y</id>
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<name><![CDATA[<b>hello & world</b>]]></name>
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</idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.equal(manifest.name, '<b>hello & world</b>');
|
||||
});
|
||||
|
||||
it('decodes named entity refs in non-CDATA text', () => {
|
||||
const xml = `<idea-plugin>
|
||||
<id>com.intellij.java&extras</id>
|
||||
<name>n</name>
|
||||
</idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.equal(manifest.pluginId, 'com.intellij.java&extras');
|
||||
});
|
||||
|
||||
it('decodes numeric entity refs (decimal + hex)', () => {
|
||||
const xml = `<idea-plugin><id>ABCD</id><name>n</name></idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.equal(manifest.pluginId, 'ABCD');
|
||||
});
|
||||
});
|
||||
|
||||
describe('parsePluginXml — robustness', () => {
|
||||
it('parses BOM-prefixed input identically', () => {
|
||||
const xmlA = `<idea-plugin><id>a</id><name>n</name></idea-plugin>`;
|
||||
const xmlB = '\uFEFF' + xmlA;
|
||||
assert.deepEqual(parsePluginXml(xmlA).manifest, parsePluginXml(xmlB).manifest);
|
||||
});
|
||||
|
||||
it('parses CRLF identically to LF', () => {
|
||||
const xmlLF = `<idea-plugin>\n<id>a</id>\n<name>n</name>\n</idea-plugin>`;
|
||||
const xmlCRLF = xmlLF.replace(/\n/g, '\r\n');
|
||||
assert.deepEqual(parsePluginXml(xmlLF).manifest, parsePluginXml(xmlCRLF).manifest);
|
||||
});
|
||||
|
||||
it('strips XML comments before regex match', () => {
|
||||
const xml = `<idea-plugin>
|
||||
<!-- <id>fake.id</id> -->
|
||||
<id>real.id</id>
|
||||
<name>n</name>
|
||||
</idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.equal(manifest.pluginId, 'real.id');
|
||||
});
|
||||
|
||||
it('non-string input returns null + warning (never throws)', () => {
|
||||
const { manifest, warnings } = parsePluginXml(null);
|
||||
assert.equal(manifest, null);
|
||||
assert.ok(warnings.length > 0);
|
||||
});
|
||||
|
||||
it('truncated input returns null + warning (never throws)', () => {
|
||||
const xml = `<idea-plugin><id>a</id><name>n</name`; // truncated
|
||||
const { manifest, warnings } = parsePluginXml(xml);
|
||||
assert.equal(manifest, null);
|
||||
assert.ok(warnings.length > 0);
|
||||
});
|
||||
|
||||
it('unknown namespace on <extensions> is preserved', () => {
|
||||
const xml = `<idea-plugin>
|
||||
<id>a</id><name>n</name>
|
||||
<extensions defaultExtensionNs="org.custom">
|
||||
<myService key="x"/>
|
||||
</extensions>
|
||||
</idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.equal(manifest.extensionDeclarations.length, 1);
|
||||
assert.equal(manifest.extensionDeclarations[0].namespace, 'org.custom');
|
||||
assert.equal(manifest.extensionDeclarations[0].name, 'myService');
|
||||
});
|
||||
|
||||
it('captures legacy application-components', () => {
|
||||
const xml = `<idea-plugin>
|
||||
<id>a</id><name>n</name>
|
||||
<application-components>
|
||||
<component>
|
||||
<implementation-class>com.bad.Comp</implementation-class>
|
||||
</component>
|
||||
</application-components>
|
||||
</idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.deepEqual(manifest.applicationComponents, ['com.bad.Comp']);
|
||||
});
|
||||
|
||||
it('captures applicationListener topic + class', () => {
|
||||
const xml = `<idea-plugin>
|
||||
<id>a</id><name>n</name>
|
||||
<applicationListener topic="com.intellij.ide.AppLifecycleListener" class="org.x.Listener"/>
|
||||
</idea-plugin>`;
|
||||
const { manifest } = parsePluginXml(xml);
|
||||
assert.equal(manifest.listeners.length, 1);
|
||||
assert.equal(manifest.listeners[0].topic, 'com.intellij.ide.AppLifecycleListener');
|
||||
assert.equal(manifest.listeners[0].class, 'org.x.Listener');
|
||||
});
|
||||
});
|
||||
|
||||
describe('parseManifestMf', () => {
|
||||
it('extracts Main-Class, Premain-Class, Implementation-Title/Version', () => {
|
||||
const mf = [
|
||||
'Manifest-Version: 1.0',
|
||||
'Main-Class: org.example.Main',
|
||||
'Premain-Class: org.bad.Agent',
|
||||
'Implementation-Title: my-plugin',
|
||||
'Implementation-Version: 1.0.0',
|
||||
'',
|
||||
].join('\n');
|
||||
const out = parseManifestMf(mf);
|
||||
assert.equal(out.mainClass, 'org.example.Main');
|
||||
assert.equal(out.premainClass, 'org.bad.Agent');
|
||||
assert.equal(out.implTitle, 'my-plugin');
|
||||
assert.equal(out.implVersion, '1.0.0');
|
||||
});
|
||||
|
||||
it('collects Premain-/Agent-/Can- attrs into premainAttrs', () => {
|
||||
const mf = [
|
||||
'Premain-Class: org.bad.Agent',
|
||||
'Can-Redefine-Classes: true',
|
||||
'Can-Retransform-Classes: true',
|
||||
'Agent-Class: org.bad.Agent',
|
||||
'Boot-Class-Path: boot.jar',
|
||||
'',
|
||||
].join('\n');
|
||||
const out = parseManifestMf(mf);
|
||||
assert.equal(out.premainAttrs['Can-Redefine-Classes'], 'true');
|
||||
assert.equal(out.premainAttrs['Can-Retransform-Classes'], 'true');
|
||||
assert.equal(out.premainAttrs['Agent-Class'], 'org.bad.Agent');
|
||||
assert.equal(out.premainAttrs['Boot-Class-Path'], 'boot.jar');
|
||||
});
|
||||
|
||||
it('handles 72-char continuation lines (space-prefixed)', () => {
|
||||
const mf = [
|
||||
'Premain-Class: org.example.VeryLongPackage',
|
||||
' Name.ContinuedAgent',
|
||||
'',
|
||||
].join('\n');
|
||||
const out = parseManifestMf(mf);
|
||||
assert.equal(out.premainClass, 'org.example.VeryLongPackageName.ContinuedAgent');
|
||||
});
|
||||
|
||||
it('handles tab continuation (rare but legal)', () => {
|
||||
const mf = 'Main-Class: org.a\n\tTail\n';
|
||||
const out = parseManifestMf(mf);
|
||||
assert.equal(out.mainClass, 'org.aTail');
|
||||
});
|
||||
|
||||
it('empty input returns all-null without throwing', () => {
|
||||
const out = parseManifestMf('');
|
||||
assert.equal(out.mainClass, null);
|
||||
assert.equal(out.premainClass, null);
|
||||
assert.deepEqual(out.premainAttrs, {});
|
||||
});
|
||||
|
||||
it('non-string input returns all-null without throwing', () => {
|
||||
const out = parseManifestMf(null);
|
||||
assert.equal(out.mainClass, null);
|
||||
});
|
||||
|
||||
it('garbage input returns all-null without throwing', () => {
|
||||
const out = parseManifestMf('lkajsdf qwertyui 12345\n!!!\n');
|
||||
assert.equal(out.mainClass, null);
|
||||
assert.equal(out.premainClass, null);
|
||||
});
|
||||
|
||||
it('CRLF input parses identically to LF', () => {
|
||||
const lf = 'Main-Class: org.a\nPremain-Class: org.b\n';
|
||||
const crlf = lf.replace(/\n/g, '\r\n');
|
||||
assert.deepEqual(parseManifestMf(lf), parseManifestMf(crlf));
|
||||
});
|
||||
});
|
||||
Loading…
Add table
Add a link
Reference in a new issue