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| 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 | 1x 1x 1x 1x 1x 9x 9x 9x 1x 8x 8x 8x 1x 7x 7x 7x 7x 7x 7x 7x 7x 7x 6x 6x 1x 1x 1x | const { DynamoDBClient } = require('@aws-sdk/client-dynamodb')
const { DynamoDBDocumentClient, QueryCommand, GetCommand } = require('@aws-sdk/lib-dynamodb')
const { authenticateRequest, hasPermission, canAccessEntity } = require('../shared/auth-helper')
const client = new DynamoDBClient({})
const docClient = DynamoDBDocumentClient.from(client)
async function getItemsHandler(event) {
try {
// Authenticate (supports JWT and API keys)
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' })
}
}
// Check permission
Iif (!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' })
}
}
// Verify entity access (important for API keys with allowedEntityIds)
// First, get the entity to check access
const entityResult = await docClient.send(
new GetCommand({
TableName: process.env.ENTITIES_TABLE_NAME,
Key: { id: entityId }
})
)
Iif (!entityResult.Item) {
return {
statusCode: 404,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Entity not found' })
}
}
// Check if auth can access this entity
Iif (!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' })
}
}
// Get tenant from auth context
// For API keys with wildcard access, use the entity's owner tenant to query items
const tenantId =
auth.type === 'apikey' && (auth.allowedEntityIds || []).includes('*')
? entityResult.Item.tenantId
: auth.tenantId
// Pagination support
const limit = event.queryStringParameters?.limit
? parseInt(event.queryStringParameters.limit)
: 30
const nextToken = event.queryStringParameters?.nextToken
const queryParams = {
TableName: process.env.TABLE_NAME,
KeyConditionExpression: 'entityId = :entityId',
FilterExpression: 'tenantId = :tenantId',
ExpressionAttributeValues: {
':entityId': entityId,
':tenantId': tenantId
},
Limit: limit
}
// Add pagination token if provided
Iif (nextToken) {
try {
queryParams.ExclusiveStartKey = JSON.parse(Buffer.from(nextToken, 'base64').toString())
} catch {
return {
statusCode: 400,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Invalid nextToken' })
}
}
}
// Query items by entityId (partition key) and filter by tenantId
const result = await docClient.send(new QueryCommand(queryParams))
// Encode LastEvaluatedKey for next request
const responseNextToken = result.LastEvaluatedKey
? Buffer.from(JSON.stringify(result.LastEvaluatedKey)).toString('base64')
: null
return {
statusCode: 200,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({
items: result.Items || [],
nextToken: responseNextToken,
hasMore: !!result.LastEvaluatedKey
})
}
} catch (error) {
console.error('Error fetching items:', error)
return {
statusCode: 500,
headers: {
'Content-Type': 'application/json',
'Access-Control-Allow-Origin': '*'
},
body: JSON.stringify({ error: 'Failed to fetch items' })
}
}
}
exports.handler = getItemsHandler
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