Rust
Rust
Azure Storage: List Blobs
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Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.Chilkat Rust Downloads
// Azure Blob Service Example: List the blobs in a specified container.
// See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
let rest = chilkat::Rest::new();
// Connect to the Azure Storage Blob Service
let b_tls = true;
let port = 443;
let b_auto_reconnect = true;
// In this example, the storage account name is "chilkat".
if rest.connect("chilkat.blob.core.windows.net", port, b_tls, b_auto_reconnect).is_err() {
println!("{}", rest.last_error_text());
return;
}
// Provide Azure Cloud credentials for the REST call.
let az_auth = chilkat::AuthAzureStorage::new();
az_auth.set_access_key("AZURE_ACCESS_KEY");
// The account name used here should match the 1st part of the domain passed in the call to Connect (above).
az_auth.set_account("chilkat");
az_auth.set_scheme("SharedKey");
az_auth.set_service("Blob");
// This causes the "x-ms-version: 2021-08-06" header to be automatically added.
az_auth.set_x_ms_version("2021-08-06");
let _ = rest.set_auth_azure_storage(&az_auth).is_ok();
// Note: The application does not need to explicitly set the following
// headers: x-ms-date, Authorization. These headers
// are automatically set by Chilkat.
// The expected success response is a 200 response status code with an XML response body.
// In this example, we are listing the blobs in the container named "mycontainer".
let Ok(response_str) = rest.full_request_no_body("GET", "/mycontainer?restype=container&comp=list") else {
println!("{}", rest.last_error_text());
return;
};
// When successful, the Azure Storage service will respond with a 200 response status code,
// with an XML response body.
if rest.response_status_code() != 200 {
// Examine the request/response to see what happened.
println!("response status code = {}", rest.response_status_code());
println!("response status text = {}", rest.response_status_text());
println!("response header: {}", rest.response_header());
println!("response body (if any): {}", response_str);
println!("---");
println!("LastRequestStartLine: {}", rest.last_request_start_line());
println!("LastRequestHeader: {}", rest.last_request_header());
return;
}
// Load the XML response for parsing.
// An example of the response XML is shown below.
let xml = chilkat::Xml::new();
let _ = xml.load_xml(&response_str).is_ok();
println!("{}", xml.get_xml().unwrap_or_default());
// Let's iterate over the blobs...
let last_mod = chilkat::DateTime::new();
let num_blobs = xml.num_children_at("Blobs");
let mut i = 0;
let dt = chilkat::DtObj::new();
while i < num_blobs {
println!("---- Blob {} ----", i);
xml.set_i(i);
println!("Name: {}", xml.get_child_content("Blobs|Blob[i]|Name").unwrap_or_default());
println!("Content-Length: {}", xml.get_child_content("Blobs|Blob[i]|Properties|Content-Length").unwrap_or_default());
println!("Content-Type: {}", xml.get_child_content("Blobs|Blob[i]|Properties|Content-Type").unwrap_or_default());
println!("Content-MD5: {}", xml.get_child_content("Blobs|Blob[i]|Properties|Content-MD5").unwrap_or_default());
println!("BlobType: {}", xml.get_child_content("Blobs|Blob[i]|Properties|BlobType").unwrap_or_default());
println!("LeaseStatus: {}", xml.get_child_content("Blobs|Blob[i]|Properties|LeaseStatus").unwrap_or_default());
let _ = last_mod.set_from_rfc822(&xml.get_child_content("Blobs|Blob[i]|Properties|Last-Modified").unwrap_or_default());
last_mod.to_dt_obj(true, &dt);
println!("Last-Modified YMD: {},{},{}", dt.year(), dt.month(), dt.day());
i = i + 1;
}
println!("-------------------------");
// Use the ChilkatPath method to get information for a specific blob:
// For example, let's say we want the Last-Modified date/time for
// the blob named "helloWorld.txt"
let last_mod_str = xml.chilkat_path("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*").unwrap_or_default();
println!("helloWorld.txt Last-Modified: {}", last_mod_str);
println!("Success.");
// <?xml version="1.0" encoding="utf-8" ?>
// <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
// <Blobs>
// <Blob>
// <Name>hamletC.xml</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
// <Etag>0x8D372E48B6D323A</Etag>
// <Content-Length>279658</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>helloWorld.txt</Name>
// <Properties>
// <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
// <Etag>0x8D3729D7EE38299</Etag>
// <Content-Length>12</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// <Blob>
// <Name>thisIsATest.txt</Name>
// <Properties>
// <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
// <Etag>0x8D372E8F9B2A62E</Etag>
// <Content-Length>1600</Content-Length>
// <Content-Type>application/octet-stream</Content-Type>
// <Content-Encoding />
// <Content-Language />
// <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
// <Cache-Control />
// <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
// <BlobType>BlockBlob</BlobType>
// <LeaseStatus>unlocked</LeaseStatus>
// <LeaseState>available</LeaseState>
// </Properties>
// </Blob>
// </Blobs>
// <NextMarker />
// </EnumerationResults>
//