feat: implment bulk radius api

Signed-off-by: Umberto Sgueglia <usgueglia@contractor.linuxfoundation.org>

Author: ulemons

backend/src/api/public/v1/akrites-external/index.ts

@@ -12,7 +12,9 @@ import { getAkritesExternalContactDetailBatch } from '../packages/getAkritesExte
 import { getAkritesExternalPackageDetail } from '../packages/getAkritesExternalPackageDetail'
 import { getAkritesExternalPackageDetailBatch } from '../packages/getAkritesExternalPackageDetailBatch'
 import { getBlastRadiusJob } from '../packages/getBlastRadiusJob'
+import { getBlastRadiusJobBatch } from '../packages/getBlastRadiusJobBatch'
 import { submitBlastRadiusJob } from '../packages/submitBlastRadiusJob'
+import { submitBlastRadiusJobBatch } from '../packages/submitBlastRadiusJobBatch'
 
 const rateLimiter = createRateLimiter({ max: 60, windowMs: 60 * 1000 })
 
@@ -75,7 +77,22 @@ export function akritesExternalRouter(): Router {
   const blastRadiusSubRouter = Router()
   blastRadiusSubRouter.use(requireScopes([SCOPES.READ_PACKAGES]))
   blastRadiusSubRouter.post('/jobs', blastRadiusRateLimiter, safeWrap(submitBlastRadiusJob))
+  // Bulk submit multiplies Temporal workflow starts per request (up to
+  // MAX_BLAST_RADIUS_JOBS_PER_BATCH), so it sits behind the same strict
+  // blastRadiusRateLimiter as the single-job route, not the regular one.
+  blastRadiusSubRouter.post(
+    /^\/jobs:batch\/?$/,
+    blastRadiusRateLimiter,
+    safeWrap(submitBlastRadiusJobBatch),
+  )
   blastRadiusSubRouter.get('/jobs/:analysisId', rateLimiter, safeWrap(getBlastRadiusJob))
+  // Bulk poll is read-only, same cost profile as the other batch endpoints, so
+  // it uses the regular rateLimiter.
+  blastRadiusSubRouter.post(
+    /^\/jobs:batch\/poll\/?$/,
+    rateLimiter,
+    safeWrap(getBlastRadiusJobBatch),
+  )
   router.use('/blast-radius', blastRadiusSubRouter)
 
   return router

backend/src/api/public/v1/akrites-external/openapi.yaml

@@ -51,14 +51,16 @@ tags:
   - name: Blast Radius
     description: >
       Advisory reachability analysis — submit (2a) and poll (2b) are both
-      implemented. Submitting kicks off a Temporal workflow that runs the
-      npm reachability pipeline (other ecosystems fail fast with
-      ECOSYSTEM_NOT_SUPPORTED); poll returns job status and, once done,
-      results. Rate-limited independently of the other akrites-external
-      endpoints (default 5 requests/hour, configurable via
-      AKRITES_BLAST_RADIUS_RATE_LIMIT_MAX / _WINDOW_MS). Same interim scope
-      note as Advisories applies (read:packages, pending a dedicated
-      read:advisories scope).
+      implemented, each with a bulk counterpart. Submitting kicks off a
+      Temporal workflow that runs the npm reachability pipeline (other
+      ecosystems fail fast with ECOSYSTEM_NOT_SUPPORTED); poll returns job
+      status and, once done, results. Bulk submit (jobs:batch) is capped at
+      20 jobs per request (10 recommended as the default batch size) — each
+      entry starts its own workflow — and stays behind the same strict rate
+      limiter as the single-job route; bulk poll
+      (jobs:batch/poll) is read-only and capped at 100 like the other batch
+      endpoints. Same interim scope note as Advisories applies (read:packages,
+      pending a dedicated read:advisories scope).
 
 components:
   securitySchemes:
@@ -429,6 +431,69 @@ components:
           enum: [pending, running, done, failed]
           description: Always pending — the response is returned before the Temporal workflow runs.
 
+    BlastRadiusJobBatchRequest:
+      type: object
+      required: [jobs]
+      properties:
+        jobs:
+          type: array
+          minItems: 1
+          maxItems: 20
+          description: >
+            Capped much lower than the 100-item read batches — each entry
+            starts its own Temporal workflow, so the batch multiplies
+            workflow starts (and reachability-analysis cost) per request.
+            10 is the recommended default batch size; 20 is the hard limit.
+          items:
+            $ref: '#/components/schemas/BlastRadiusJobRequest'
+
+    BlastRadiusJobBatchResponse:
+      type: object
+      required: [results]
+      description: >
+        Plain array in request order, one entry per submitted job — unlike the
+        read batches there is no found/not-found case, every job is submitted.
+      properties:
+        results:
+          type: array
+          items:
+            $ref: '#/components/schemas/BlastRadiusJobEntry'
+
+    BlastRadiusJobPollBatchRequest:
+      type: object
+      required: [analysisIds]
+      properties:
+        analysisIds:
+          type: array
+          minItems: 1
+          maxItems: 100
+          items:
+            type: string
+            format: uuid
+        page:
+          type: integer
+          minimum: 1
+          default: 1
+        pageSize:
+          type: integer
+          minimum: 1
+          maximum: 100
+          default: 20
+
+    BlastRadiusAnalysisBulkEntry:
+      type: object
+      required: [requestedAnalysisId, found, analysis]
+      properties:
+        requestedAnalysisId:
+          type: string
+        found:
+          type: boolean
+        analysis:
+          type: object
+          nullable: true
+          allOf:
+            - $ref: '#/components/schemas/BlastRadiusAnalysis'
+
     BlastRadiusResultConfidence:
       type: string
       enum: [high, medium, low]
@@ -1045,6 +1110,122 @@ paths:
               schema:
                 $ref: '#/components/schemas/Error'
 
+  /akrites-external/blast-radius/jobs:batch:
+    post:
+      operationId: submitBlastRadiusJobBatch
+      summary: 2a bulk — Submit multiple blast-radius analysis jobs
+      description: >
+        One job per array entry, same semantics as the single-job submit —
+        omit package for an advisory-wide analysis, provide it to narrow to a
+        single package. Each entry starts its own Temporal workflow, so the
+        batch is capped at 20 jobs (10 recommended as the default batch
+        size), much lower than the 100-item read batches, and stays behind
+        the same strict rate limiter as the single-job route.
+
+
+        A per-job failure does not fail the whole batch — that entry comes
+        back with status: 'failed' and the rest still submit.
+      tags: [Blast Radius]
+      security:
+        - M2MBearer:
+            - read:packages
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/BlastRadiusJobBatchRequest'
+      responses:
+        '202':
+          description: Jobs accepted, in request order.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/BlastRadiusJobBatchResponse'
+        '400':
+          description: Validation error (empty array, >20 items, or an invalid job entry).
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        '401':
+          description: Missing or invalid bearer token.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        '403':
+          description: Token missing read:packages scope.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        '429':
+          description: Too many requests — rate-limited independently of the other endpoints.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+
+  /akrites-external/blast-radius/jobs:batch/poll:
+    post:
+      operationId: getBlastRadiusJobBatch
+      summary: 2b bulk — Poll multiple blast-radius analysis jobs
+      description: >
+        Same found/not-found echo shape as the other batch endpoints: an
+        unknown analysisId comes back { found: false, analysis: null }
+        instead of 404ing the whole request. Read-only, so it is rate-limited
+        the same as the other non-blast-radius endpoints, not the strict
+        submit limiter.
+      tags: [Blast Radius]
+      security:
+        - M2MBearer:
+            - read:packages
+      requestBody:
+        required: true
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/BlastRadiusJobPollBatchRequest'
+      responses:
+        '200':
+          description: One page of results, in request order.
+          content:
+            application/json:
+              schema:
+                type: object
+                required: [page, pageSize, total, results]
+                properties:
+                  page:
+                    type: integer
+                  pageSize:
+                    type: integer
+                  total:
+                    type: integer
+                    description: Total number of requested analysisIds, across all pages.
+                  results:
+                    type: array
+                    items:
+                      $ref: '#/components/schemas/BlastRadiusAnalysisBulkEntry'
+        '400':
+          description: Validation error (empty array, >100 items, or a non-uuid analysisId).
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        '401':
+          description: Missing or invalid bearer token.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        '403':
+          description: Token missing read:packages scope.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+
   /akrites-external/blast-radius/jobs/{analysisId}:
     get:
       operationId: getBlastRadiusJob

backend/src/api/public/v1/packages/blastRadiusBatch.test.ts

@@ -0,0 +1,93 @@
+import { describe, expect, it } from 'vitest'
+
+import {
+  MAX_BLAST_RADIUS_JOBS_PER_BATCH,
+  MAX_BLAST_RADIUS_POLL_IDS_PER_BATCH,
+  blastRadiusJobBatchRequestSchema,
+  blastRadiusJobPollBatchRequestSchema,
+  paginateAnalysisIds,
+} from './blastRadiusBatch'
+
+describe('blastRadiusJobBatchRequestSchema', () => {
+  it('accepts a batch of valid job requests', () => {
+    const result = blastRadiusJobBatchRequestSchema.safeParse({
+      jobs: [
+        { advisoryId: 'GHSA-jf85-cpcp-j695', ecosystem: 'npm' },
+        { advisoryId: 'CVE-2024-12345', ecosystem: 'npm', package: 'pkg:npm/lodash' },
+      ],
+    })
+    expect(result.success).toBe(true)
+  })
+
+  it('rejects an empty jobs array', () => {
+    const result = blastRadiusJobBatchRequestSchema.safeParse({ jobs: [] })
+    expect(result.success).toBe(false)
+  })
+
+  it('rejects more than MAX_BLAST_RADIUS_JOBS_PER_BATCH jobs', () => {
+    const jobs = Array.from({ length: MAX_BLAST_RADIUS_JOBS_PER_BATCH + 1 }, () => ({
+      advisoryId: 'GHSA-jf85-cpcp-j695',
+      ecosystem: 'npm',
+    }))
+    const result = blastRadiusJobBatchRequestSchema.safeParse({ jobs })
+    expect(result.success).toBe(false)
+  })
+
+  it('rejects a batch containing one invalid job', () => {
+    const result = blastRadiusJobBatchRequestSchema.safeParse({
+      jobs: [
+        { advisoryId: 'GHSA-jf85-cpcp-j695', ecosystem: 'npm' },
+        { advisoryId: 'not-an-advisory-id', ecosystem: 'npm' },
+      ],
+    })
+    expect(result.success).toBe(false)
+  })
+})
+
+describe('blastRadiusJobPollBatchRequestSchema', () => {
+  const validId = '3fa85f64-5717-4562-b3fc-2c963f66afa6'
+
+  it('accepts a batch of valid analysisIds and defaults page/pageSize', () => {
+    const result = blastRadiusJobPollBatchRequestSchema.parse({ analysisIds: [validId] })
+    expect(result.page).toBe(1)
+    expect(result.pageSize).toBe(20)
+  })
+
+  it('rejects an empty analysisIds array', () => {
+    const result = blastRadiusJobPollBatchRequestSchema.safeParse({ analysisIds: [] })
+    expect(result.success).toBe(false)
+  })
+
+  it('rejects a non-uuid analysisId', () => {
+    const result = blastRadiusJobPollBatchRequestSchema.safeParse({ analysisIds: ['not-a-uuid'] })
+    expect(result.success).toBe(false)
+  })
+
+  it('rejects more than MAX_BLAST_RADIUS_POLL_IDS_PER_BATCH analysisIds', () => {
+    const analysisIds = Array.from(
+      { length: MAX_BLAST_RADIUS_POLL_IDS_PER_BATCH + 1 },
+      () => validId,
+    )
+    const result = blastRadiusJobPollBatchRequestSchema.safeParse({ analysisIds })
+    expect(result.success).toBe(false)
+  })
+})
+
+describe('paginateAnalysisIds', () => {
+  it('slices the requested page out of the full analysisIds array', () => {
+    const analysisIds = ['a', 'b', 'c', 'd', 'e']
+    const result = paginateAnalysisIds({ analysisIds, page: 2, pageSize: 2 })
+    expect(result).toEqual({
+      page: 2,
+      pageSize: 2,
+      total: 5,
+      pagedAnalysisIds: ['c', 'd'],
+    })
+  })
+
+  it('returns an empty page past the end of the array', () => {
+    const result = paginateAnalysisIds({ analysisIds: ['a'], page: 2, pageSize: 20 })
+    expect(result.pagedAnalysisIds).toEqual([])
+    expect(result.total).toBe(1)
+  })
+})