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package org.apereo.cas.util; |
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import org.apache.commons.lang3.StringUtils; |
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import org.apereo.cas.authentication.adaptive.geo.GeoLocationRequest; |
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import org.apereo.cas.authentication.principal.WebApplicationService; |
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import org.apereo.cas.web.support.ArgumentExtractor; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.springframework.web.context.request.RequestContextHolder; |
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import org.springframework.web.context.request.ServletRequestAttributes; |
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import javax.servlet.http.HttpServletRequest; |
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import javax.servlet.http.HttpServletResponse; |
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import java.util.Enumeration; |
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import java.util.LinkedHashMap; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.Objects; |
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/** |
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* This is {@link HttpRequestUtils}. |
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* |
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* @author Misagh Moayyed |
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* @since 5.2.0 |
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*/ |
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public final class HttpRequestUtils { |
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/** |
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* Constant representing the request header for user agent. |
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*/ |
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public static final String USER_AGENT_HEADER = "user-agent"; |
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private static final Logger LOGGER = LoggerFactory.getLogger(HttpRequestUtils.class); |
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private HttpRequestUtils() {} |
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/** |
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* Gets http servlet request from request attributes. |
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* |
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* @return the http servlet request from request attributes |
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*/ |
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public static HttpServletRequest getHttpServletRequestFromRequestAttributes() { |
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try { |
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return ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getRequest(); |
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} catch (final Exception e) { |
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LOGGER.trace(e.getMessage(), e); |
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} |
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return null; |
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} |
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/** |
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* Gets http servlet response from request attributes. |
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* |
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* @return the http servlet response from request attributes |
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*/ |
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public static HttpServletResponse getHttpServletResponseFromRequestAttributes() { |
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return ((ServletRequestAttributes) RequestContextHolder.currentRequestAttributes()).getResponse(); |
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} |
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/** |
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* Gets http servlet request geo location. |
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* |
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* @param request the request |
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* @return the http servlet request geo location |
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*/ |
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public static GeoLocationRequest getHttpServletRequestGeoLocation(final HttpServletRequest request) { |
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final int latIndex = 0; |
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final int longIndex = 1; |
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final int accuracyIndex = 2; |
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final int timeIndex = 3; |
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final GeoLocationRequest loc = new GeoLocationRequest(); |
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if (request != null) { |
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final String geoLocationParam = request.getParameter("geolocation"); |
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if (StringUtils.isNotBlank(geoLocationParam)) { |
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final String[] geoLocation = geoLocationParam.split(","); |
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loc.setLatitude(geoLocation[latIndex]); |
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loc.setLongitude(geoLocation[longIndex]); |
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loc.setAccuracy(geoLocation[accuracyIndex]); |
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loc.setTimestamp(geoLocation[timeIndex]); |
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} |
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} |
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return loc; |
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} |
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/** |
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* Gets request headers. |
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* |
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* @param request the request |
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* @return the request headers |
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*/ |
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public static Map<String, String> getRequestHeaders(final HttpServletRequest request) { |
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final Map<String, String> headers = new LinkedHashMap<>(); |
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final Enumeration<String> headerNames = request.getHeaderNames(); |
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if (headerNames != null) { |
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while (headerNames.hasMoreElements()) { |
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final String headerName = headerNames.nextElement(); |
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final String headerValue = StringUtils.stripToEmpty(request.getHeader(headerName)); |
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headers.put(headerName, headerValue); |
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} |
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} |
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return headers; |
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} |
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/** |
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* Gets http servlet request user agent. |
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* |
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* @param request the request |
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* @return the http servlet request user agent |
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*/ |
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public static String getHttpServletRequestUserAgent(final HttpServletRequest request) { |
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if (request != null) { |
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return request.getHeader(USER_AGENT_HEADER); |
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} |
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return null; |
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} |
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/** |
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* Gets the service from the request based on given extractors. |
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* |
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* @param argumentExtractors the argument extractors |
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* @param request the request |
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* @return the service, or null. |
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*/ |
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public static WebApplicationService getService(final List<ArgumentExtractor> argumentExtractors, final HttpServletRequest request) { |
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return argumentExtractors.stream().map(argumentExtractor -> argumentExtractor.extractService(request)) |
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.filter(Objects::nonNull).findFirst().orElse(null); |
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} |
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} |
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apereo /
cas
