Следующий запрос может дать нам ожидаемый результат:
db.collection.aggregate([
{
$project:{
"subdomains":{
$filter:{
"input":"$subdomains",
"as":"subdomain",
"cond":{
$in:[
443,
{
$ifNull:[
"$$subdomain.shodan.ports.port",
[]
]
}
]
}
}
}
}
}
]).pretty()
Набор данных:
{
"_id" : ObjectId("5d7fb679d76f3bbf82ed952e"),
"org-name" : "Shropshire Community Health NHS Trust",
"domain" : "shropscommunityhealth.nhs.uk",
"subdomains" : [
{
"name" : "www.shropscommunityhealth.nhs.uk",
"firstSeen" : "2015-10-17 01:10:00",
"a_rr" : "195.49.146.9",
"data_retrieved" : ISODate("2019-09-16T17:21:11.468Z"),
"asn" : 21472,
"asn_org" : "ServerHouse Ltd",
"city" : "Portsmouth",
"country" : "United Kingdom",
"shodan" : {
"ports" : [
{
"port" : 443,
"cpe" : "cpe:/a:microsoft:internet_information_server:8.5",
"product" : "Microsoft IIS httpd"
},
{
"port" : 80,
"cpe" : "cpe:/o:microsoft:windows",
"product" : "Microsoft HTTPAPI httpd"
}
],
"timestamp" : ISODate("2019-09-16T17:21:12.659Z")
}
},
{
"name" : "www2.shropscommunityhealth.nhs.uk",
"firstSeen" : "2017-06-23 16:55:00",
"a_rr" : "80.175.25.17",
"data_retrieved" : ISODate("2019-09-16T17:21:12.663Z"),
"asn" : 8607,
"asn_org" : "Timico Limited",
"city" : null,
"country" : "United Kingdom",
"shodan" : {
"timestamp" : ISODate("2019-09-16T17:21:13.664Z")
}
}
]
}
Выход:
{
"_id" : ObjectId("5d7fb679d76f3bbf82ed952e"),
"org-name" : "Shropshire Community Health NHS Trust",
"domain" : "shropscommunityhealth.nhs.uk",
"subdomains" : [
{
"name" : "www.shropscommunityhealth.nhs.uk",
"firstSeen" : "2015-10-17 01:10:00",
"a_rr" : "195.49.146.9",
"data_retrieved" : ISODate("2019-09-16T17:21:11.468Z"),
"asn" : 21472,
"asn_org" : "ServerHouse Ltd",
"city" : "Portsmouth",
"country" : "United Kingdom",
"shodan" : {
"ports" : [
{
"port" : 443,
"cpe" : "cpe:/a:microsoft:internet_information_server:8.5",
"product" : "Microsoft IIS httpd"
},
{
"port" : 80,
"cpe" : "cpe:/o:microsoft:windows",
"product" : "Microsoft HTTPAPI httpd"
}
],
"timestamp" : ISODate("2019-09-16T17:21:12.659Z")
}
}
]
}