Examples with MultiRequests org.wso2.balana.xacml3.MultiRequests used on opensource projects

Example 1 with MultiRequests

use of org.wso2.balana.xacml3.MultiRequests in project carbon-identity-framework by wso2.

the class JSONRequestParser method parse.

/**
 * Static method that will convert a XACML JSON Request to a <code>{@link RequestCtx}</code> instance
 *
 * @param jsonRequest <code>String</code> with JSON request
 * @return <code>{@link RequestCtx}</code> instance that can be used to evaluate on Balana
 * @throws JsonParseException         <code>{@link JsonParseException}</code>
 * @throws RequestParseException      <code>{@link RequestParseException}</code>
 * @throws UnknownIdentifierException <code>{@link UnknownIdentifierException}</code>
 */
public static RequestCtx parse(String jsonRequest) throws JsonParseException, RequestParseException, UnknownIdentifierException {
    JsonObject requestObject = null;
    Set<Attributes> categories = new HashSet<>();
    boolean returnPolicyIdList = false;
    boolean combinedDecision = false;
    MultiRequests multiRequests = null;
    RequestDefaults requestDefaults = null;
    try {
        requestObject = gson.fromJson(jsonRequest, JsonObject.class);
        requestObject = requestObject.get("Request").getAsJsonObject();
    } catch (Exception e) {
        throw new JsonParseException("Error in JSON Request String");
    }
    Set<Map.Entry<String, JsonElement>> jsonAttributes = requestObject.entrySet();
    for (Map.Entry<String, JsonElement> jsonAttribute : jsonAttributes) {
        if (jsonAttribute.getValue().isJsonPrimitive()) {
            switch(jsonAttribute.getKey()) {
                case XACMLConstants.RETURN_POLICY_LIST:
                    if (jsonAttribute.getValue().getAsBoolean() == true) {
                        returnPolicyIdList = true;
                    }
                    break;
                case XACMLConstants.COMBINE_DECISION:
                    if (jsonAttribute.getValue().getAsBoolean() == true) {
                        combinedDecision = true;
                    }
                    break;
                case EntitlementEndpointConstants.XPATH_VERSION:
                    String xPathVersion = jsonAttribute.getValue().getAsString();
                    requestDefaults = new RequestDefaults(xPathVersion);
                    break;
            }
        } else if (!jsonAttribute.getValue().isJsonNull()) {
            JsonObject jsonCategory = null;
            if (jsonAttribute.getValue().isJsonObject()) {
                jsonCategory = jsonAttribute.getValue().getAsJsonObject();
                jsonAttributeSeperator(jsonAttribute, jsonCategory, categories);
            } else if (jsonAttribute.getValue().isJsonArray()) {
                for (JsonElement jsonElement : jsonAttribute.getValue().getAsJsonArray()) {
                    jsonCategory = jsonElement.getAsJsonObject();
                    jsonAttributeSeperator(jsonAttribute, jsonCategory, categories);
                }
            } else if (EntitlementEndpointConstants.MULTI_REQUESTS.equals(jsonAttribute.getKey())) {
                Set<Map.Entry<String, JsonElement>> jsonRequestReferences = jsonCategory.entrySet();
                Set<RequestReference> requestReferences = new HashSet<>();
                if (jsonRequestReferences.isEmpty()) {
                    throw new RequestParseException("MultiRequest should contain at least one Reference Request");
                }
                for (Map.Entry<String, JsonElement> jsonRequstReference : jsonRequestReferences) {
                    requestReferences.add(jsonObjectToRequestReference(jsonRequstReference.getValue().getAsJsonObject()));
                }
                multiRequests = new MultiRequests(requestReferences);
            }
        }
    }
    return new RequestCtx(null, categories, returnPolicyIdList, combinedDecision, multiRequests, requestDefaults);
}