Portal Configuration of JSON Web Services

JSON web services are enabled on Liferay Portal by default. If you need to disable them, specify this portal property setting:


Next, let’s look at strict HTTP methods.

Strict HTTP Methods

All JSON web services are mapped to either GET or POST HTTP methods. If a service method name starts with get, is or has, the service is assumed to be read-only and is bound to the GET method; otherwise it’s bound to POST.

By default, Liferay Portal doesn’t check HTTP methods when invoking a service call; it works in non-strict http method mode, where services may be invoked using any HTTP method. If you need the strict mode, you can set it with this portal property:


When using strict mode, you must use the correct HTTP methods in calling service methods.

When strict HTTP mode is enabled, you still might have need to disable HTTP methods. We’ll show you how next.

Disabling HTTP Methods

When strict HTTP method mode is enabled, you can filter web service access based on HTTP methods used by the services. For example, you can set the portal JSON web services to work in read-only mode by disabling HTTP methods other than GET. For example:


Now all requests that use HTTP methods from the list above are ignored.

Next, we’ll show you how to restrict public access to exposed JSON APIs.

Controlling Public Access

Each service method knows if it can be executed by unauthenticated users and if a user has adequate permission for the chosen action. Most of the portal’s read-only methods are open to public access.

If you’re concerned about security, you can further restrict public access to exposed JSON APIs by explicitly stating which methods are public (i.e., accessible to unauthenticated users). Use the following property to specify your public methods:


The property supports wildcards, so if you specify get*,has*,is* on the right hand side of the = symbol, all read-only JSON methods will be publicly accessible. All other JSON methods will be secured. To disable access to all exposed methods, you can leave the right side of the = symbol empty; to enable access to all exposed methods, specify *.

Registering JSON Web Services

Invoking JSON Web Services

JSON Web Services Invoker

JSON Web Services Invocation Examples

« JSON Web Services Invocation ExamplesInvoking Services Using Skinny JSON Provider »
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