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A Java reference implementation for CZDS download zone file API

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CZDS API client in Java

This repository provides a Java example of how to download zone files via CZDS (Centralized Zone Data Service) REST API. A detail API Specs is included in this reposity in the docs directory.

There is also an example provided in Python. It can be found in this repo.

Environment

Language: Java 11

Build Tool: Maven 3.6+

Configurations

You can provide default configurations in application.properties file.

# REST endpoint for authentication
# Can be overwritten via command line option -a
authentication.base.url=https://account-api.icann.org
   
# REST endpoint for downloading zone files
# Can be overwritten via command line option -c
czds.base.url=https://czds-api.icann.org
  
# Account credential.
# Optional. Can be overwritten via commandline option -u and -p
icann.account.username=username@example.com
icann.account.password=12345Abcd#
   
# The directory where zone files will be saved
# Optional. Default to current directory.
# Can be overwritten via commandline option -d
working.directory=/where/zonefiles/will/be/saved

Command line Options

Use command line -t to specify the TLDs you want to download zone files for. By default, all APPROVED zone files will be downloaded. You can also use command line options to pass in your account credential and output directory. The command line options have higher precedence than the application.properties file.

usage: ZoneFileDownloader [-a <arg>] [-c <arg>] [-h] [-o <arg>] [-p <arg>] [-t <arg>] [-u <arg>]
 -a,--authen-url <arg>   Specify the authentication REST endpoint base URL.
 -c,--czds-url <arg>     Specify the CZDS REST endpoint base URL.
 -h,--help               Print usage.
 -d,--directory <arg>    Specify the directory where the file(s) will be saved.
 -p,--password <arg>     Specify your password
 -t,--tld <arg>          Specify the TLD(s) you want to download zone file(s) for. Comma separated multiple TLDs. 
                         By default, all APPROVED zone files will be downloaded.
 -u,--username <arg>     Specify your username.

Build

mvn clean install

It produces an executable jar ./target/zonefile-downloader.jar

Run

  • To download all of your APPROVED zone files assume that you have set all the required configurations in application.properties

    • run
    java -jar ./target/zonefile-downloader.jar
    
  • To download zone files for one or more TLDs (for example, abb, booking), assume that you have set all the required configurations in application.properties

    • run
    java -jar ./target/zonefile-downloader.jar -t abb,booking
    
  • To pass in all commandline options,

    • run
       java -jar ./target/zonefile-downloader.jar \
       -a https://account-api.icann.org \
       -c https://czds-api.icann.org \
       -t booking \
       -d /where/you/want/to/save/zonefiles \
       -u username@example.com \
       -p 1234567#Abcdefg

Release

The org.icann.czd:czds-client library has been published in Maven Central Repository. You can include the following artifact in your project:

<!-- https://mvnrepository.com/artifact/org.icann.czds/czds-client -->
<dependency>
    <groupId>org.icann.czds</groupId>
    <artifactId>czds-client</artifactId>
    <version>1.x.x</version>
</dependency>

Documentation

Contributing

Contributions are welcome.

Other

Reference Implementation in Python: https://github.com/icann/czds-api-client-python

Java: http://www.oracle.com/technetwork/java/javase/downloads/index.html

Apache Maven 3: https://maven.apache.org/download.cgi

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A Java reference implementation for CZDS download zone file API

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