chore: import upstream snapshot with attribution

apps/sim/app/api/tools/sharepoint/lists/route.ts

@@ -0,0 +1,119 @@
+import { createLogger } from '@sim/logger'
+import { type NextRequest, NextResponse } from 'next/server'
+import { sharepointListsSelectorContract } from '@/lib/api/contracts/selectors'
+import { parseRequest } from '@/lib/api/server'
+import { authorizeCredentialUse } from '@/lib/auth/credential-access'
+import { validateSharePointSiteId } from '@/lib/core/security/input-validation'
+import { generateRequestId } from '@/lib/core/utils/request'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+import { refreshAccessTokenIfNeeded } from '@/app/api/auth/oauth/utils'
+import { assertGraphNextPageUrl, getGraphNextPageUrl } from '@/tools/sharepoint/utils'
+
+export const dynamic = 'force-dynamic'
+
+const logger = createLogger('SharePointListsAPI')
+
+/**
+ * Upper bound on Microsoft Graph pages drained when listing SharePoint lists.
+ * Each page returns up to `$top=999` lists, so this caps the result set at
+ * roughly 10k lists while preventing an unbounded server-side loop.
+ */
+const MAX_LISTS_PAGES = 10
+
+interface SharePointList {
+  id: string
+  displayName: string
+  description?: string
+  webUrl?: string
+  list?: {
+    hidden?: boolean
+  }
+}
+
+export const POST = withRouteHandler(async (request: NextRequest) => {
+  const requestId = generateRequestId()
+
+  try {
+    const parsed = await parseRequest(sharepointListsSelectorContract, request, {})
+    if (!parsed.success) {
+      logger.warn(`[${requestId}] Invalid lists request data`)
+      return parsed.response
+    }
+    const { credential, workflowId, siteId } = parsed.data.body
+
+    const siteIdValidation = validateSharePointSiteId(siteId)
+    if (!siteIdValidation.isValid) {
+      logger.error(`[${requestId}] Invalid siteId: ${siteIdValidation.error}`)
+      return NextResponse.json({ error: siteIdValidation.error }, { status: 400 })
+    }
+
+    const authz = await authorizeCredentialUse(request, {
+      credentialId: credential,
+      workflowId,
+    })
+    if (!authz.ok || !authz.credentialOwnerUserId) {
+      return NextResponse.json({ error: authz.error || 'Unauthorized' }, { status: 403 })
+    }
+
+    const accessToken = await refreshAccessTokenIfNeeded(
+      credential,
+      authz.credentialOwnerUserId,
+      requestId
+    )
+    if (!accessToken) {
+      logger.error(`[${requestId}] Failed to obtain valid access token`)
+      return NextResponse.json(
+        { error: 'Failed to obtain valid access token', authRequired: true },
+        { status: 401 }
+      )
+    }
+
+    let nextUrl: string | undefined =
+      `https://graph.microsoft.com/v1.0/sites/${siteIdValidation.sanitized}/lists?$select=id,displayName,description,webUrl&$expand=list($select=hidden)&$top=999`
+
+    const rawLists: SharePointList[] = []
+    for (let page = 0; page < MAX_LISTS_PAGES && nextUrl; page++) {
+      const response = await fetch(nextUrl, {
+        headers: {
+          Authorization: `Bearer ${accessToken}`,
+        },
+      })
+
+      if (!response.ok) {
+        const errorData = await response
+          .json()
+          .catch(() => ({ error: { message: 'Unknown error' } }))
+        return NextResponse.json(
+          { error: errorData.error?.message || 'Failed to fetch lists from SharePoint' },
+          { status: response.status }
+        )
+      }
+
+      const data = await response.json()
+      if (Array.isArray(data.value)) {
+        rawLists.push(...data.value)
+      }
+
+      const nextLink = getGraphNextPageUrl(data)
+      nextUrl = nextLink ? assertGraphNextPageUrl(nextLink) : undefined
+      if (nextUrl && page === MAX_LISTS_PAGES - 1) {
+        logger.warn(
+          `[${requestId}] SharePoint lists pagination hit ${MAX_LISTS_PAGES}-page cap; result may be incomplete`
+        )
+      }
+    }
+
+    const lists = rawLists
+      .filter((list: SharePointList) => list.list?.hidden !== true)
+      .map((list: SharePointList) => ({
+        id: list.id,
+        displayName: list.displayName,
+      }))
+
+    logger.info(`[${requestId}] Successfully fetched ${lists.length} SharePoint lists`)
+    return NextResponse.json({ lists }, { status: 200 })
+  } catch (error) {
+    logger.error(`[${requestId}] Error fetching lists from SharePoint`, error)
+    return NextResponse.json({ error: 'Internal server error' }, { status: 500 })
+  }
+})