All files / items lookup.js

98.18% Statements 54/55
77.77% Branches 28/36
100% Functions 8/8
100% Lines 47/47

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 1762x 2x 2x   2x 2x     10x 10x 8x 8x   1x     2x 1x     2x 13x 13x   13x 1x                   12x 1x                   11x 11x 1x                     10x 10x   1x                   111x   9x 2x                   7x 1x                   6x   6x             5x 1x                   4x 1x                     3x           6x 3x                   3x 5x 4x   6x 6x   3x                       1x 1x                    
const { DynamoDBClient } = require('@aws-sdk/client-dynamodb')
const { DynamoDBDocumentClient, BatchGetCommand, GetCommand } = require('@aws-sdk/lib-dynamodb')
const { authenticateRequest, hasPermission, canAccessEntity } = require('../shared/auth-helper')
 
const client = new DynamoDBClient({})
const docClient = DynamoDBDocumentClient.from(client)
 
function parseRequestBody(body) {
  Iif (!body) return {}
  if (typeof body === 'string') {
    try {
      return JSON.parse(body)
    } catch {
      throw new Error('Invalid JSON body')
    }
  }
  if (typeof body === 'object') return body
  return {}
}
 
exports.handler = async (event) => {
  try {
    const auth = await authenticateRequest(event)
 
    if (!auth || auth.error) {
      return {
        statusCode: 401,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: auth?.error || 'Authentication required' })
      }
    }
 
    if (!hasPermission(auth, 'items:read')) {
      return {
        statusCode: 403,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: 'Permission denied: items:read required' })
      }
    }
 
    const entityId = event.pathParameters?.entityId
    if (!entityId) {
      return {
        statusCode: 400,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: 'Missing entityId' })
      }
    }
 
    let payload
    try {
      payload = parseRequestBody(event.body)
    } catch (error) {
      return {
        statusCode: 400,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: error.message })
      }
    }
 
    const ids = Array.isArray(payload.ids) ? payload.ids.filter((id) => typeof id === 'string') : []
 
    if (!ids.length) {
      return {
        statusCode: 400,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: 'ids array is required' })
      }
    }
 
    if (ids.length > 100) {
      return {
        statusCode: 400,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: 'ids array exceeds max size of 100' })
      }
    }
 
    const uniqueIds = [...new Set(ids)]
 
    const entityResult = await docClient.send(
      new GetCommand({
        TableName: process.env.ENTITIES_TABLE_NAME,
        Key: { id: entityId }
      })
    )
 
    if (!entityResult.Item) {
      return {
        statusCode: 404,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: 'Entity not found' })
      }
    }
 
    if (!canAccessEntity(auth, entityResult.Item)) {
      return {
        statusCode: 403,
        headers: {
          'Content-Type': 'application/json',
          'Access-Control-Allow-Origin': '*'
        },
        body: JSON.stringify({ error: 'Access denied to this entity' })
      }
    }
 
    const flowId =
      entityResult.Item.visibility === 'public'
        ? entityResult.Item.flowId
        : auth.type === 'apikey' && (auth.allowedEntityIds || []).includes('*')
          ? entityResult.Item.flowId
          : auth.flowId
 
    const keys = uniqueIds.map((id) => ({ entityId, id }))
    const batchResult = await docClient.send(
      new BatchGetCommand({
        RequestItems: {
          [process.env.TABLE_NAME]: {
            Keys: keys
          }
        }
      })
    )
 
    const rawItems = batchResult.Responses?.[process.env.TABLE_NAME] || []
    const visibleItems = rawItems.filter((item) => item.flowId === flowId)
    const itemById = new Map(visibleItems.map((item) => [item.id, item]))
 
    const orderedItems = uniqueIds.map((id) => itemById.get(id)).filter(Boolean)
    const missingIds = uniqueIds.filter((id) => !itemById.has(id))
 
    return {
      statusCode: 200,
      headers: {
        'Content-Type': 'application/json',
        'Access-Control-Allow-Origin': '*'
      },
      body: JSON.stringify({
        items: orderedItems,
        missingIds
      })
    }
  } catch (error) {
    console.error('Error looking up items:', error)
    return {
      statusCode: 500,
      headers: {
        'Content-Type': 'application/json',
        'Access-Control-Allow-Origin': '*'
      },
      body: JSON.stringify({ error: 'Failed to lookup items' })
    }
  }
}