Node.js

OSS List Bucket Objects (Alibaba Cloud)

See more Alibaba Cloud OSS Examples

Demonstrates how to list the objects in a bucket.

The Chilkat S3 functions in the HTTP class are compatible with Alibaba Cloud's OSS service.

Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  This example assumes the Chilkat HTTP API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    var http = new chilkat.Http();

    //  Insert your AccessKey ID here:
    http.AwsAccessKey = "access-key";

    //  Insert your AccessKey Secret here:
    http.AwsSecretKey = "secret-key";

    //  To list objects in a bucket located in a different region, use the endpoint for that region, such as "oss-cn-hangzhou.aliyuncs.com 	"
    //  See Alibaba Object Storage Service Regions and Endpoints
    http.AwsEndpoint = "oss-us-east-1.aliyuncs.com";

    var bucketName = "chilkat";

    var strXml = http.S3_ListBucketObjects(bucketName);
    if (http.LastMethodSuccess !== true) {
        console.log(http.LastErrorText);
        return;
    }

    console.log("Response status code = " + http.LastStatus);

    var xml = new chilkat.Xml();
    success = xml.LoadXml(strXml);
    if (success !== true) {
        console.log(xml.LastErrorText);
        return;
    }

    //  If the response status code was not 200, then the XML response is not a 
    //  listing of objects, but instead contains error information.
    if (http.LastStatus !== 200) {
        console.log(xml.GetXml());
        console.log("Failed.");
        return;
    }

    //  A sample response is shown below.
    console.log(xml.GetXml());
    console.log("----");

    //  Use this online tool to generate parsing code from sample XML: 
    //  Generate Parsing Code from XML

    //  <?xml version="1.0" encoding="UTF-8"?>
    //  <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
    //      <Name>chilkat</Name>
    //      <Prefix/>
    //      <Marker/>
    //      <MaxKeys>1000</MaxKeys>
    //      <IsTruncated>false</IsTruncated>
    //      <Contents>
    //          <Key>orchard.json</Key>
    //          <LastModified>2021-10-29T16:58:12.000Z</LastModified>
    //          <ETag>"303FB46CF341094FEF6274B7789CD6AA"</ETag>
    //          <Size>22</Size>
    //          <StorageClass>STANDARD</StorageClass>
    //          <Owner>
    //              <ID>5035535379748121</ID>
    //              <DisplayName>5035535379748121</DisplayName>
    //          </Owner>
    //      </Contents>
    //      <Contents>
    //          <Key>seahorse.jpg</Key>
    //          <LastModified>2021-10-29T16:52:01.000Z</LastModified>
    //          <ETag>"A8551F0A5437F43A796FCA7623EE9232"</ETag>
    //          <Size>24388</Size>
    //          <StorageClass>STANDARD</StorageClass>
    //          <Owner>
    //              <ID>5035535379748121</ID>
    //              <DisplayName>5035535379748121</DisplayName>
    //          </Owner>
    //  
    //      </Contents>
    //  </ListBucketResult>

    var Key;
    var LastModified;
    var ETag;
    var SizeDecimalStr;
    var StorageClass;
    var ID;
    var DisplayName;

    var ListBucketResult_xmlns = xml.GetAttrValue("xmlns");
    var Name = xml.GetChildContent("Name");
    var MaxKeys = xml.GetChildIntValue("MaxKeys");
    var IsTruncated = xml.GetChildContent("IsTruncated");
    var i = 0;
    var count_i = xml.NumChildrenHavingTag("Contents");
    while (i < count_i) {
        xml.I = i;
        Key = xml.GetChildContent("Contents[i]|Key");
        LastModified = xml.GetChildContent("Contents[i]|LastModified");
        ETag = xml.GetChildContent("Contents[i]|ETag");
        SizeDecimalStr = xml.GetChildContent("Contents[i]|Size");
        StorageClass = xml.GetChildContent("Contents[i]|StorageClass");
        ID = xml.GetChildContent("Contents[i]|Owner|ID");
        DisplayName = xml.GetChildContent("Contents[i]|Owner|DisplayName");
        i = i+1;
    }


}

chilkatExample();