chore: import upstream snapshot with attribution

apps/sim/app/api/tools/microsoft_teams/write_chat/route.ts

@@ -0,0 +1,179 @@
+import { createLogger } from '@sim/logger'
+import { getErrorMessage } from '@sim/utils/errors'
+import { type NextRequest, NextResponse } from 'next/server'
+import { teamsWriteChatContract } from '@/lib/api/contracts/tools/microsoft'
+import { parseRequest } from '@/lib/api/server'
+import { checkInternalAuth } from '@/lib/auth/hybrid'
+import { secureFetchWithValidation } from '@/lib/core/security/input-validation.server'
+import { generateRequestId } from '@/lib/core/utils/request'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+import { docNotReadyResponse } from '@/lib/uploads/utils/servable-file-response'
+import { FileAccessDeniedError } from '@/app/api/files/authorization'
+import { uploadFilesForTeamsMessage } from '@/tools/microsoft_teams/server-utils'
+import type { GraphApiErrorResponse, GraphChatMessage } from '@/tools/microsoft_teams/types'
+import { resolveMentionsForChat, type TeamsMention } from '@/tools/microsoft_teams/utils'
+
+export const dynamic = 'force-dynamic'
+
+const logger = createLogger('TeamsWriteChatAPI')
+
+export const POST = withRouteHandler(async (request: NextRequest) => {
+  const requestId = generateRequestId()
+
+  try {
+    const authResult = await checkInternalAuth(request, { requireWorkflowId: false })
+
+    if (!authResult.success || !authResult.userId) {
+      logger.warn(`[${requestId}] Unauthorized Teams chat write attempt: ${authResult.error}`)
+      return NextResponse.json(
+        {
+          success: false,
+          error: authResult.error || 'Authentication required',
+        },
+        { status: 401 }
+      )
+    }
+
+    const userId = authResult.userId
+    logger.info(
+      `[${requestId}] Authenticated Teams chat write request via ${authResult.authType}`,
+      {
+        userId,
+      }
+    )
+
+    const parsed = await parseRequest(teamsWriteChatContract, request, {})
+    if (!parsed.success) return parsed.response
+    const validatedData = parsed.data.body
+
+    logger.info(`[${requestId}] Sending Teams chat message`, {
+      chatId: validatedData.chatId,
+      hasFiles: !!(validatedData.files && validatedData.files.length > 0),
+      fileCount: validatedData.files?.length || 0,
+    })
+
+    const { attachments, filesOutput } = await uploadFilesForTeamsMessage({
+      rawFiles: validatedData.files || [],
+      accessToken: validatedData.accessToken,
+      requestId,
+      logger,
+      userId,
+    })
+
+    let messageContent = validatedData.content
+    let contentType: 'text' | 'html' = 'text'
+    const mentionEntities: TeamsMention[] = []
+
+    try {
+      const mentionResult = await resolveMentionsForChat(
+        validatedData.content,
+        validatedData.chatId,
+        validatedData.accessToken
+      )
+
+      if (mentionResult.hasMentions) {
+        contentType = 'html'
+        messageContent = mentionResult.updatedContent
+        mentionEntities.push(...mentionResult.mentions)
+        logger.info(`[${requestId}] Resolved ${mentionResult.mentions.length} mention(s)`)
+      }
+    } catch (error) {
+      logger.warn(`[${requestId}] Failed to resolve mentions, continuing without them:`, error)
+    }
+
+    if (attachments.length > 0) {
+      contentType = 'html'
+      const attachmentTags = attachments
+        .map((att) => `<attachment id="${att.id}"></attachment>`)
+        .join(' ')
+      messageContent = `${messageContent}<br/>${attachmentTags}`
+    }
+
+    const messageBody: {
+      body: {
+        contentType: 'text' | 'html'
+        content: string
+      }
+      attachments?: any[]
+      mentions?: TeamsMention[]
+    } = {
+      body: {
+        contentType,
+        content: messageContent,
+      },
+    }
+
+    if (attachments.length > 0) {
+      messageBody.attachments = attachments
+    }
+
+    if (mentionEntities.length > 0) {
+      messageBody.mentions = mentionEntities
+    }
+
+    logger.info(`[${requestId}] Sending message to Teams chat: ${validatedData.chatId}`)
+
+    const teamsUrl = `https://graph.microsoft.com/v1.0/chats/${encodeURIComponent(validatedData.chatId)}/messages`
+
+    const teamsResponse = await secureFetchWithValidation(
+      teamsUrl,
+      {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+          Authorization: `Bearer ${validatedData.accessToken}`,
+        },
+        body: JSON.stringify(messageBody),
+      },
+      'teamsUrl'
+    )
+
+    if (!teamsResponse.ok) {
+      const errorData = (await teamsResponse.json().catch(() => ({}))) as GraphApiErrorResponse
+      logger.error(`[${requestId}] Microsoft Teams API error:`, errorData)
+      return NextResponse.json(
+        {
+          success: false,
+          error: errorData.error?.message || 'Failed to send Teams message',
+        },
+        { status: teamsResponse.status }
+      )
+    }
+
+    const responseData = (await teamsResponse.json()) as GraphChatMessage
+    logger.info(`[${requestId}] Teams message sent successfully`, {
+      messageId: responseData.id,
+      attachmentCount: attachments.length,
+    })
+
+    return NextResponse.json({
+      success: true,
+      output: {
+        updatedContent: true,
+        metadata: {
+          messageId: responseData.id,
+          chatId: responseData.chatId || validatedData.chatId,
+          content: responseData.body?.content || validatedData.content,
+          createdTime: responseData.createdDateTime || new Date().toISOString(),
+          url: responseData.webUrl || '',
+          attachmentCount: attachments.length,
+        },
+        files: filesOutput,
+      },
+    })
+  } catch (error) {
+    if (error instanceof FileAccessDeniedError) {
+      return NextResponse.json({ success: false, error: 'File not found' }, { status: 404 })
+    }
+    const notReady = docNotReadyResponse(error)
+    if (notReady) return notReady
+    logger.error(`[${requestId}] Error sending Teams chat message:`, error)
+    return NextResponse.json(
+      {
+        success: false,
+        error: getErrorMessage(error, 'Unknown error occurred'),
+      },
+      { status: 500 }
+    )
+  }
+})