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Objective

This document is intended for developers who want to create applications external to Fluig. Fluig has a public API and its main services are available on the platform. By using this API, you can create messages on behalf of the user, add contacts as favorites, create articles and much more. For the applications to act on behalf of the user the authorization is performed through the OAuth protocol.

API

API(Application Programming Interface) is a set of routines and standards set by the software so that external applications can use its resources in their applications. 

In Fluig, the API documentation is available at http://<FluigServer>/api or here.

All services are based on REST, where writing actions are limited to HTTP POST request type, and query actions are limited to GET. 

OAuth

Authentication and authorization of external applications to Fluig is performed via the protocolOAuth 1.0 and OAuth 1.0a , which enables applications to perform actions on behalf of the user without storing their login information (username/password). You can also use the Fluig API through a valid session in the internet browser.

Authentication process:

For an application to act in Fluig on behalf of a user or of itself it has to be previously registered on the Fluig platform with its public and private keys. As soon as the application is registered in Fluig it is possible to start the authentication process as steps below:

•  Step 1: Application requests a token from Fluig to start an OAuth session (http://<ServerFluig>/portal/api/rest/oauth/request_token)
•  Step 2: Application requests user authorization through login and password (http://<ServerFluig>/portal/api/rest/oauth/authorize)
•  Step 3: Application requests Fluig tokens to act on behalf of the user (http://<ServerFluig>/portal/api/rest/oauth/access_token) 

Register application in Fluig

To register an application in Fluig log in as Fluig administrator.

Follow the steps:

Example application

There is an application developed by the Fluig team that shows how to use the API. The application is developed in Java. You have to have JDK 1.7 installed before running the application. Build and dependencies management is made by Maven, so it is mandatory to have it installed in the development environment to be used.

fluig-client-demo.zip

Download the file and unzip it into a directory of your choice.

The project basically consists of a pom.xml (Project Object Model, Maven standard file) and a Java class called  FluigClientExample . Open the class and check the documentation generated from comments. You will see that it is necessary to build an object  FluigClient and this object receives some parameters such as host, consumer key and consumer secret. You should change the values in the construction to a known host and enter the consumer key and secret of the application that is your responsibility, as the code that follows:

		FluigClient fluig = new FluigClient()
				.setHost ("http://127.0.0.1:8080")
				.setConsumerKey ("enter your consumer key here")
				.setConsumerKey ("enter your consumer secret here")
				.connect();

Further down in the code, note that the application creates and reads posts by communities. You have to enter a valid community of your environment to run the demo application;

String comunidadeAlias = "coloque_aqui_alias_de_alguma_comunidade";

After performing the changes, open the directory generated and you will notice that the pom.xml file is located in the root of the project.

To perform the build of the project, type:

$ mvn clean install

During the build process, Maven will display several logs, such as dependencies being downloaded among others.

After build is successfully finished, note that the file target/api-client-demo-jar-with-dependencies.jar generated is an executable Java. To execute it, type the command:

$ java -jar target/api-client-demo-jar-with-dependencies.jar

In FluigClientExample class, note that the execution will: list the users, create a post on the user's personal page, create a post in a community and list the posts of a community. During the execution, the call result logs will be displayed on the console.