{"version":3,"sources":["../src/mock-artifactory-server.ts"],"sourcesContent":["import http from 'http';\nimport https from 'https';\nimport { URL } from 'url';\n\n/**\n * TEST-ONLY: Minimal in-memory mock of a subset of the JFrog Artifactory npm API surface\n * tailored to fhir-package-installer integration testing.\n *\n * Features:\n * 1. Bearer token auth (single fixed token) -> 401 if missing, 403 if invalid.\n * 2. Package metadata proxying to an upstream registry (defaults to packages.fhir.org).\n * 3. Tarball URL rewriting so downstream code exercises redirect logic.\n * 4. Tarball request simulation via 302 redirect to an upstream tarball base (defaults to packages.simplifier.net).\n *\n * NOT FOR PRODUCTION USE. Surface is intentionally small; breaking changes unlikely but\n * additions may occur in minor versions. Kept here so downstream libraries can reuse\n * without duplicating test utilities.\n */\nexport interface MockArtifactoryServerApi {\n /** Starts listening. If port was 0, a random available port will be selected. */\n start(): Promise;\n /** Gracefully stops the server. */\n stop(): Promise;\n /** Base URL (http://localhost:port). */\n getBaseUrl(): string;\n /** Returns the static valid bearer token you must send under Authorization header. */\n getValidToken(): string;\n}\n\ninterface PackageVersionMeta {\n dist?: { tarball?: string };\n [k: string]: unknown;\n}\n\nexport type MockArtifactoryServerOptions = {\n /** Upstream npm-like registry base URL, e.g. https://packages.fhir.org or http://localhost:PORT */\n upstreamRegistryUrl?: string;\n /** Upstream tarball base URL used for 302 redirects, e.g. https://packages.simplifier.net or http://localhost:PORT */\n upstreamTarballBaseUrl?: string;\n};\n\nclass InternalMockArtifactoryServer implements MockArtifactoryServerApi {\n private server: http.Server;\n private port: number;\n private readonly validToken = 'test-token';\n private upstreamRegistryUrl: string;\n private upstreamTarballBaseUrl: string;\n\n constructor(port: number, options: MockArtifactoryServerOptions = {}) {\n this.port = port;\n this.upstreamRegistryUrl = options.upstreamRegistryUrl ?? 'https://packages.fhir.org';\n this.upstreamTarballBaseUrl = options.upstreamTarballBaseUrl ?? 'https://packages.simplifier.net';\n this.server = this.createServer();\n }\n\n async start(): Promise {\n if (this.server.listening) return; // idempotent\n await new Promise((resolve, reject) => {\n this.server.once('error', reject);\n this.server.listen(this.port, () => resolve());\n });\n // If ephemeral port requested (0), update to the actual assigned port.\n const addr = this.server.address();\n if (typeof addr === 'object' && addr && 'port' in addr) this.port = addr.port;\n }\n\n async stop(): Promise {\n if (!this.server.listening) return; // idempotent\n await new Promise((resolve) => this.server.close(() => resolve()));\n }\n\n getBaseUrl(): string {\n return `http://localhost:${this.port}`;\n }\n\n getValidToken(): string {\n return this.validToken;\n }\n\n // ---- Internal implementation ----\n private createServer(): http.Server {\n return http.createServer(async (req, res) => {\n // Basic CORS for convenience\n res.setHeader('Access-Control-Allow-Origin', '*');\n res.setHeader('Access-Control-Allow-Methods', 'GET, OPTIONS');\n res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization');\n if (req.method === 'OPTIONS') {\n res.writeHead(200); res.end(); return;\n }\n\n // Auth checks\n const authHeader = req.headers.authorization;\n if (!authHeader || !authHeader.startsWith('Bearer ')) {\n this.json(res, 401, { error: 'Unauthorized' });\n return;\n }\n const token = authHeader.substring('Bearer '.length);\n if (token !== this.validToken) {\n this.json(res, 403, { error: 'Forbidden' });\n return;\n }\n\n const url = new URL(req.url || '/', this.getBaseUrl());\n\n try {\n if (url.pathname.includes('/-/')) {\n this.handleTarballRedirect(res, url);\n return;\n }\n if (url.pathname.includes('/artifactory/api/npm/')) {\n await this.handleArtifactoryMetadata(res, url);\n return;\n }\n if (url.pathname.endsWith('/')) {\n await this.handleSimplifierMetadata(res, url);\n return;\n }\n this.json(res, 404, { error: 'Not found' });\n } catch {\n this.json(res, 500, { error: 'Internal server error' });\n }\n });\n }\n\n private async handleArtifactoryMetadata(res: http.ServerResponse, url: URL) {\n // /artifactory/api/npm///\n const segments = url.pathname.split('/').filter(Boolean);\n const packageName = segments.at(-1) || segments.at(-2);\n if (!packageName) { this.json(res, 404, { error: 'Package not found' }); return; }\n await this.fetchAndRewrite(packageName, res);\n }\n\n private async handleSimplifierMetadata(res: http.ServerResponse, url: URL) {\n // /hl7.fhir.uv.sdc/ style path\n const packageName = url.pathname.split('/').filter(Boolean)[0];\n if (!packageName) { this.json(res, 404, { error: 'Package not found' }); return; }\n await this.fetchAndRewrite(packageName, res);\n }\n\n private handleTarballRedirect(res: http.ServerResponse, url: URL) {\n const parts = url.pathname.split('/').filter(Boolean);\n // pattern: /-/\n const tgzFile = parts.at(-1);\n const packageName = parts.at(-3); // /-/\n if (!tgzFile || !packageName) { this.json(res, 404, { error: 'Tarball not found' }); return; }\n const base = this.upstreamTarballBaseUrl.replace(/\\/+$/, '');\n const redirectUrl = `${base}/${packageName}/-/${tgzFile}`;\n res.writeHead(302, { Location: redirectUrl, 'Content-Type': 'application/json' });\n res.end(JSON.stringify({ message: 'Redirecting to Simplifier' }));\n }\n\n private async fetchAndRewrite(packageName: string, res: http.ServerResponse) {\n try {\n const base = this.upstreamRegistryUrl.replace(/\\/+$/, '');\n const sourceUrl = `${base}/${packageName}/`;\n const { data } = await this.fetchRaw(sourceUrl);\n const modified = this.rewriteTarballs(data);\n this.json(res, 200, modified);\n } catch {\n this.json(res, 404, { error: 'Package not found' });\n }\n }\n\n private fetchRaw(url: string): Promise<{ statusCode: number; data: string }> {\n return new Promise((resolve, reject) => {\n const parsed = new URL(url);\n const client = parsed.protocol === 'http:' ? http : https;\n client.get(url, (resp) => {\n let acc = '';\n resp.on('data', (chunk) => acc += chunk);\n resp.on('end', () => resolve({ statusCode: resp.statusCode || 0, data: acc }));\n }).on('error', reject);\n });\n }\n\n private rewriteTarballs(raw: string): unknown {\n try {\n const json = JSON.parse(raw);\n if (json.versions) {\n for (const v of Object.values(json.versions) as PackageVersionMeta[]) {\n if (v.dist?.tarball) {\n const original = new URL(v.dist.tarball);\n const parts = original.pathname.split('/').filter(Boolean); // /-/\n const packageName = parts[0];\n const tgzFile = parts.at(-1);\n if (packageName && tgzFile) {\n v.dist.tarball = `${this.getBaseUrl()}/${packageName}/-/${tgzFile}`;\n }\n }\n }\n }\n return json;\n } catch {\n return raw; // fall back to raw string\n }\n }\n\n private json(res: http.ServerResponse, status: number, body: unknown) {\n res.writeHead(status, { 'Content-Type': 'application/json' });\n res.end(typeof body === 'string' ? body : JSON.stringify(body));\n }\n}\n\n/** Factory to create a new mock Artifactory server instance.\n * @param port Optional port. 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