Swift AWS S3: Get S3 Object Tags

Back to Index

Returns the tags associated with an object. This example gets the tags for the object named "starfish.jpg" located in the bucket "chilkat100".

Documentation: https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGETtagging.html

CURL Command

curl -X GET https://chilkat100.s3.amazonaws.com/starfish.jpg?tagging

Swift Example

func chilkatTest() {
    let rest = CkoRest()
    var success: Bool

    let authAws = CkoAuthAws()
    authAws.AccessKey = "AWS_ACCESS_KEY"
    authAws.SecretKey = "AWS_SECRET_KEY"
    authAws.Region = "us-east-1"
    authAws.ServiceName = "s3"
    rest.SetAuthAws(authAws)

    //  URL: https://chilkat100.s3.amazonaws.com/starfish.jpg?tagging
    var bTls: Bool = true
    var port: Int = 443
    var bAutoReconnect: Bool = true
    success = rest.Connect("chilkat100.s3.amazonaws.com", port: port, tls: bTls, autoReconnect: bAutoReconnect)
    if success != true {
        print("ConnectFailReason: \(rest.ConnectFailReason.intValue)")
        print("\(rest.LastErrorText)")
        return
    }

    let sbResponseBody = CkoStringBuilder()
    success = rest.FullRequestNoBodySb("GET", uriPath: "/starfish.jpg?tagging", sb: sbResponseBody)
    if success != true {
        print("\(rest.LastErrorText)")
        return
    }

    var respStatusCode: Int = rest.ResponseStatusCode.intValue
    if respStatusCode >= 400 {
        print("Response Status Code = \(respStatusCode)")
        print("Response Header:")
        print("\(rest.ResponseHeader)")
        print("Response Body:")
        print("\(sbResponseBody.GetAsString())")
        return
    }

    let xmlResponse = CkoXml()
    xmlResponse.LoadSb(sbResponseBody, autoTrim: true)

    //  See the Online Tool for Generating XML Parse Code
    var Tagging_xmlns: String?
    var i: Int
    var count_i: Int
    var tagPath: String?
    var Key: String?
    var Value: String?

    Tagging_xmlns = xmlResponse.GetAttrValue("xmlns")
    i = 0
    count_i = xmlResponse.NumChildrenHavingTag("TagSet|Tag").intValue
    while i < count_i {
        xmlResponse.I = i
        Key = xmlResponse.GetChildContent("TagSet|Tag[i]|Key")
        Value = xmlResponse.GetChildContent("TagSet|Tag[i]|Value")
        i = i + 1
    }


}

Sample XML Response Body

<?xml version="1.0" encoding="UTF-8" ?>
<Tagging xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    <TagSet>
        <Tag>
            <Key>habitat</Key>
            <Value>ocean</Value>
        </Tag>
        <Tag>
            <Key>phylum</Key>
            <Value>Echinodermata</Value>
        </Tag>
        <Tag>
            <Key>animal</Key>
            <Value>starfish</Value>
        </Tag>
    </TagSet>
</Tagging>