b2_download_file_by_name

Code

DOWNLOAD_URL=... # Comes from b2_authorize_account
BUCKET_NAME=... # The name of your bucket (not the ID)
FILE_NAME=... # The name of the file in the bucket

curl ${DOWNLOAD_URL}/file/${BUCKET_NAME}/${FILE}

# You will need to use the account authorization token if your bucket's type is allPrivate.

DOWNLOAD_URL=... # Comes from b2_authorize_account
BUCKET_NAME=... # The name of your bucket (not the ID)
FILE_NAME=... # The name of the file in the bucket
ACCOUNT_AUTHORIZATION_TOKEN=... # Comes from the b2_authorize_account call

curl -H "Authorization: $ACCOUNT_AUTHORIZATION_TOKEN" \
    "${DOWNLOAD_URL}/file/${BUCKET_NAME}/${FILE}"

Output

The quick brown fox jumped over the lazy dog.

Code

String downloadUrl = ""; // Provided by b2_authorize_account
String bucketName = ""; // The bucket name where the file exists
String fileName = ""; // The file name of the file you want to download.
HttpURLConnection connection = null;
byte downloadedData[] = null;
try {
    URL url = new URL(downloadUrl + "/file/" + bucketName + "/" + fileName);
    connection = (HttpURLConnection)url.openConnection();
    connection.setRequestMethod("GET");
    connection.setDoOutput(true);
    downloadedData = myDataInputStreamHandler(connection.getInputStream());
} catch (Exception e) {
    e.printStackTrace();
} finally {
    connection.disconnect();
}

// You will need to use the account authorization token if your bucket's type is allPrivate.

String accountAuthorizationToken = "";  // Provided by b2_authorize_account
String downloadUrl = ""; // Provided by b2_authorize_account
String bucketName = ""; // The bucket ID where the file exists
String fileName = ""; // The file name of the file you want to download.
HttpURLConnection connection = null;
byte downloadedData[] = null;
try {
    URL url = new URL(downloadUrl + "/file/" + bucketName + "/" + fileName);
    connection = (HttpURLConnection)url.openConnection();
    connection.setRequestProperty("Authorization", accountAuthorizationToken);
    connection.setRequestMethod("GET");
    connection.setDoOutput(true);
    downloadedData = myDataInputStreamHandler(connection.getInputStream());
} catch (Exception e) {
    e.printStackTrace();
} finally {
    connection.disconnect();
}

Output

The quick brown fox jumped over the lazy dog.

Code

import urllib2

DOWNLOAD_URL = "..." # Comes from b2_authorize_account
BUCKET_NAME = "..." # The name of your bucket (not the ID)
FILE_NAME = "..." # The name of the file in the bucket

url = DOWNLOAD_URL + '/file/' + BUCKET_NAME + '/' + FILE_NAME
print urllib2.urlopen(url).read()

# You will need to use the account authorization token if your bucket's type is allPrivate.

DOWNLOAD_URL = "..." # Comes from b2_authorize_account
BUCKET_NAME = "any_name_you_pick" # 50 char max: letters, digits, “-“ and “_” 
FILE_NAME = "..." # The name of the file in the bucket
ACCOUNT_AUTHORIZATION_TOKEN = "..." # Comes from the b2_authorize_account call

url = DOWNLOAD_URL + '/file/' + BUCKET_NAME + '/' + FILE_NAME

headers = {
    'Authorization': ACCOUNT_AUTHORIZATION_TOKEN
    }

request = urllib2.Request(url, None, headers)
response = urllib2.urlopen(request)
response_data = json.loads(response.read())
response.close()

Output

The quick brown fox jumped over the lazy dog.

Code

import Foundation

// Suitable for when a bucketType is set to allPublic.

let downloadUrl = "" // Provided by b2_authorize_account
let bucketName = "" // The bucket name where the file exists
let fileName = "" // The file name of the file you want to download. See 
                  // b2_download_file_by_name documentation for more information how the 
                  // fileName should be constructed.

// Create the request
var request = URLRequest(url: URL(string: "\(downloadUrl)/file/\(bucketName)/\(fileName)")!)
request.httpMethod = "GET"

// Create the task
let task = URLSession.shared.downloadTask(with: request) { (url, urlResponse, error) in
	// Assuming the download was successful
	print("MyDownloadedFile:\((url?.path)!)")
}

// Start the task
task.resume()

// Suitable for when a bucketType is set to allPrivate.
// You will need to use the account authorization token if your bucket's type is allPrivate.

let accountAuthorizationToken = "" // Provided by b2_authorize_account or b2_get_download_authorization. See documentation for clarification
let downloadUrl = "" // Provided by b2_authorize_account
let bucketName = "" // The bucket name where the file exists
let fileName = "" // The file name of the file you want to download

// Create the request
var request = URLRequest(url: URL(string: "\(downloadUrl)/file/\(bucketName)/\(fileName)")!)
request.httpMethod = "GET"
request.addValue(accountAuthorizationToken, forHTTPHeaderField: "Authorization") // optional

// Create the task
let task = URLSession.shared.downloadTask(with: request) { (url, urlResponse, error) in
	// Assuming the download was successful
	print("MyDownloadedFile:\((url?.path)!)")
}

// Start the task
task.resume()

// Swift 4.1 (swiftlang-902.0.48 clang-902.0.37.1) Xcode 9.3.1 (9E501)

Output

The quick brown fox jumped over the lazy dog.

Code

require 'json'
require 'net/http'

download_url = "" # Provided by authorize account
bucket_name = "" # The NAME of the bucket you want to download from
file_name = "" # The file name of the file you want to download
uri = URI("#{download_url}/file/#{bucket_name}/#{file_name}")
req = Net::HTTP::Get.new(uri)
http = Net::HTTP.new(req.uri.host, req.uri.port)
http.use_ssl = true
res = http.start {|http| http.request(req)}
case res
when Net::HTTPSuccess then
    res.body
when Net::HTTPRedirection then
    fetch(res['location'], limit - 1)
else
    res.error!
end

# You will need to use the account authorization token if your bucket's type is allPrivate.

download_url = "" # Provided by authorize account
bucket_name = "" # The NAME of the bucket you want to download from
file_name = "" # The file name of the file you want to download
account_authorization_token = "" # B2 Cloud Authorization Token
uri = URI("#{download_url}/file/#{bucket_name}/#{file_name}")
req = Net::HTTP::Get.new(uri)
req.add_field("Authorization","#{account_authorization_token}")
http = Net::HTTP.new(req.uri.host, req.uri.port)
http.use_ssl = true
res = http.start {|http| http.request(req)}
case res
when Net::HTTPSuccess then
    res.body
when Net::HTTPRedirection then
    fetch(res['location'], limit - 1)
else
    res.error!
end

Output

The quick brown fox jumped over the lazy dog.

Code

using System;
using System.IO;
using System.Net;

string downloadUrl = ""; // Provided by b2_authorize_account
string bucketName = ""; // The bucket name where the file exists
string fileName = ""; // The file ID of the file you want to download
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(String.Format("{0}/file/{1}/{2}", downloadUrl, bucketName, fileName));
webRequest.Method = "GET";
WebResponse response = (HttpWebResponse)webRequest.GetResponse();
Stream responseStream = response.GetResponseStream();
byte[] fileBytes;
using (BinaryReader br = new BinaryReader(responseStream))
{
    fileBytes = br.ReadBytes(500000);
    br.Close();
}
responseStream.Close();
response.Close();
string downloadsFolder = @"FILE DIRECTORY HERE";
FileStream saveFile = new FileStream(downloadsFolder, FileMode.Create);
BinaryWriter writeFile = new BinaryWriter(saveFile);
try
{
    writeFile.Write(fileBytes);
}
finally
{
    saveFile.Close();
    writeFile.Close();
}

// You will need to use the account authorization token if your bucket's type is allPrivate.

string downloadUrl = ""; // Provided by b2_authorize_account
string bucketName = ""; // The bucket name where the file exists
string fileName = ""; // The file ID of the file you want to download
string accountAuthorizationToken = "ACCOUNT_AUTHORIZATION_TOKEN"; //Provided by b2_authorize_account
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(String.Format("{0}/file/{1}/{2}", downloadUrl, bucketName, fileName)); 
webRequest.Method = "GET";
webRequest.Headers.Add("Authorization", accountAuthorizationToken);
WebResponse response = (HttpWebResponse)webRequest.GetResponse();
Stream responseStream = response.GetResponseStream();
byte[] fileBytes;
using (BinaryReader br = new BinaryReader(responseStream))
{
    fileBytes = br.ReadBytes(500000);
    br.Close();
}
responseStream.Close();
response.Close();
string downloadsFolder = @"FILE DIRECTORY HERE";
FileStream saveFile = new FileStream(downloadsFolder, FileMode.Create);
BinaryWriter writeFile = new BinaryWriter(saveFile);
try
{
    writeFile.Write(fileBytes);
}
finally
{
    saveFile.Close();
    writeFile.Close();
}

Output

The quick brown fox jumped over the lazy dog.

Code

$download_url = ""; // From b2_authorize_account call
$bucket_name = "";  // The NAME of the bucket you want to download from
$file_name = "file.txt"; // The name of the file you want to download
$uri = $download_url . "/file/" . $bucket_name . "/" . $file_name;

$session = curl_init($uri);

curl_setopt($session, CURLOPT_HTTPGET, true); // HTTP GET
curl_setopt($session, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($session, CURLOPT_RETURNTRANSFER, true);  // Receive server response
$server_output = curl_exec($session); // Let's do this!
curl_close ($session); // Clean up
echo ($server_output); // Tell me about the rabbits, George!

// You will need to use the account authorization token if your bucket's type is allPrivate.

$download_url = ""; // From b2_authorize_account call
$bucket_name = "";  // The NAME of the bucket you want to download from
$file_name = "file.txt"; // The name of the file you want to download
$auth_token = ""; // From b2_authorize_account call
$uri = $download_url . "/file/" . $bucket_name . "/" . $file_name;

$session = curl_init($uri);

// Add headers
$headers = array();
$headers[] = "Authorization: " . $auth_token;
curl_setopt($session, CURLOPT_HTTPHEADER, $headers); 

curl_setopt($session, CURLOPT_HTTPGET, true); // HTTP POST
curl_setopt($session, CURLOPT_RETURNTRANSFER, true);  // Receive server response
$server_output = curl_exec($session); // Let's do this!
curl_close ($session); // Clean up
echo ($server_output); // Tell me about the rabbits, George!

Output

The quick brown fox jumped over the lazy dog.