diff -u -r dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/ItemRequestForm.java dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/ItemRequestForm.java
--- dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/ItemRequestForm.java	2015-11-09 17:43:01.000000000 +0700
+++ dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/ItemRequestForm.java	2015-11-10 18:04:17.442267000 +0700
@@ -172,6 +172,9 @@
 		TextArea message = form.addItem().addTextArea("message");
 		message.setLabel(T_message);
 		message.setValue(parameters.getParameter("message", ""));
+
+		form.addItem().addSpan("g-recaptcha");
+
 		form.addItem().addHidden("bitstreamId").setValue(parameters.getParameter("bitstreamId", ""));
 		form.addItem().addButton("submit").setValue(T_submit);
 		
diff -u -r dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/SendItemRequestAction.java dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/SendItemRequestAction.java
--- dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/SendItemRequestAction.java	2015-11-09 17:43:01.000000000 +0700
+++ dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/aspect/artifactbrowser/SendItemRequestAction.java	2015-11-10 18:04:17.484669000 +0700
@@ -38,6 +38,10 @@
 import org.dspace.storage.rdbms.DatabaseManager;
 import org.dspace.storage.rdbms.TableRow;
 import org.dspace.utils.DSpace;
+import org.apache.commons.httpclient.NameValuePair;
+import org.apache.commons.httpclient.HttpClient;
+import org.apache.commons.httpclient.util.EncodingUtil;
+import org.apache.commons.httpclient.methods.PostMethod;
 
  /**
  * This action will send a mail to request a item to administrator when all mandatory data is present.
@@ -50,6 +54,30 @@
  */
 public class SendItemRequestAction extends AbstractAction
 {
+
+    private Boolean validarCaptcha(String captcha) throws Exception {
+	if(!"".equals(captcha)){
+	    String secret="XXX reCaptcha SECRET KEY XXX";
+	    String url="https://www.google.com/recaptcha/api/siteverify";
+	    NameValuePair args[] = new NameValuePair[2];
+	    args[0] = new NameValuePair("secret", secret);
+	    args[1] = new NameValuePair("response", captcha);
+	    
+	    HttpClient hc = new HttpClient();
+	    String srUrl = url + "?" + EncodingUtil.formUrlEncode(args, "UTF8");
+	    
+	    PostMethod post=new PostMethod(srUrl);
+	    int status = hc.executeMethod(post); //get.getResponseBodyAsString()
+	    if (status == 200){
+		//TODO hacerlo BIEN
+		return post.getResponseBodyAsString().contains("true");
+		
+		}
+	}
+	return false;
+    }
+
+
     private static Logger log = Logger.getLogger(SendItemRequestAction.class);
 
     public Map act(Redirector redirector, SourceResolver resolver, Map objectModel,
@@ -62,7 +90,23 @@
         String allFiles = request.getParameter("allFiles");
         String message = request.getParameter("message");
         String bitstreamId = request.getParameter("bitstreamId");
-     
+
+	boolean valido=true;
+	    try{
+		String p=request.getParameter("g-recaptcha-response");
+		if(p==null){
+		    valido=false;
+		} else if("".equals(p)){
+		    valido=false;
+		} else{
+		    valido=validarCaptcha(p);
+		}
+		
+	    }
+	    catch(Exception e){
+		valido=false;
+		    }     
+
         // User email from context
         Context context = ContextUtil.obtainContext(objectModel);
         EPerson loggedin = context.getCurrentUser();
@@ -73,7 +117,7 @@
         }
 
         // Check all data is there
-        if (StringUtils.isEmpty(requesterName) || StringUtils.isEmpty(requesterEmail) || StringUtils.isEmpty(allFiles) || StringUtils.isEmpty(message))
+        if (StringUtils.isEmpty(requesterName) || StringUtils.isEmpty(requesterEmail) || StringUtils.isEmpty(allFiles) || StringUtils.isEmpty(message) || !valido)
         {
             // Either the user did not fill out the form or this is the
             // first time they are visiting the page.
diff -u -r dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/wing/element/Item.java dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/wing/element/Item.java
--- dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/wing/element/Item.java	2015-11-09 17:43:01.000000000 +0700
+++ dspace-4.2-src-release/dspace-xmlui/src/main/java/org/dspace/app/xmlui/wing/element/Item.java	2015-11-10 18:16:45.000000000 +0700
@@ -29,6 +29,25 @@
 
 public class Item extends RichTextContainer implements StructuralElement
 {
+
+    public Span addSpan() throws WingException
+    {
+        return addSpan(null,null);
+    }
+    
+    public Span addSpan(String name) throws WingException
+    {
+        return addSpan(name,null);
+    }
+    
+    
+    public Span addSpan(String name, String rend) throws WingException{
+     Span div=new Span(context, name, rend);
+      contents.add(div);
+         return div;
+    
+    }
+
     /** The name of the item element */
     public static final String E_ITEM = "item";
 
diff -u -r dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/Mirage/lib/xsl/core/page-structure.xsl dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/Mirage/lib/xsl/core/page-structure.xsl
--- dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/Mirage/lib/xsl/core/page-structure.xsl	2015-11-09 17:43:02.000000000 +0700
+++ dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/Mirage/lib/xsl/core/page-structure.xsl	2015-11-09 18:10:46.000000000 +0700
@@ -693,6 +693,11 @@
         </script>
 
 
+	<xsl:if test="contains($request-uri,'restricted-resource')">
+	  <script 
+	      src='https://www.google.com/recaptcha/api.js'></script>
+	</xsl:if>
+
 
         <!-- Add theme javascipt  -->
         <xsl:for-each select="/dri:document/dri:meta/dri:pageMeta/dri:metadata[@element='javascript'][@qualifier='url']">
diff -u -r dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/dri2xhtml-alt/core/elements.xsl dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/dri2xhtml-alt/core/elements.xsl
--- dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/dri2xhtml-alt/core/elements.xsl	2015-11-09 17:43:01.000000000 +0700
+++ dspace-4.2-src-release/dspace-xmlui/src/main/webapp/themes/dri2xhtml-alt/core/elements.xsl	2015-11-09 18:19:10.000000000 +0700
@@ -43,41 +43,53 @@
         handle the attributes, and then apply the templates for the all children except the head. The id
         attribute is -->
     <xsl:template match="dri:div" priority="1">
-        <xsl:apply-templates select="dri:head"/>
-        <xsl:apply-templates select="@pagination">
-            <xsl:with-param name="position">top</xsl:with-param>
-        </xsl:apply-templates>
-        <div>
+      <xsl:apply-templates select="dri:head"/>
+      <xsl:apply-templates select="@pagination">
+        <xsl:with-param name="position">top</xsl:with-param>
+      </xsl:apply-templates>
+      <div>
+	<xsl:if test="@name!=''">                
+	  <xsl:attribute name="id"><xsl:value-of select="@name"/></xsl:attribute>
+        </xsl:if>
+	<xsl:choose>
+	  <xsl:when test="@name='g-recaptcha'">                
+	    <xsl:attribute name="class"><xsl:value-of 
+	    select="@name"/></xsl:attribute>
+	    <xsl:attribute name="data-sitekey">XXX reCaptcha SITE KEY XXX</xsl:attribute>
+          </xsl:when>
+	  <xsl:otherwise>
             <xsl:call-template name="standardAttributes">
-                <xsl:with-param name="class">ds-static-div</xsl:with-param>
+              <xsl:with-param name="class">ds-static-div</xsl:with-param>
             </xsl:call-template>
             <xsl:choose>
-                    <!--  does this element have any children -->
-                        <xsl:when test="child::node()">
-                                <xsl:apply-templates select="*[not(name()='head')]"/>
-                    </xsl:when>
-                        <!-- if no children are found we add a space to eliminate self closing tags -->
-                        <xsl:otherwise>
-                                &#160;
-                        </xsl:otherwise>
-                </xsl:choose>
-        </div>
-        <xsl:variable name="itemDivision">
-                        <xsl:value-of select="@n"/>
-                </xsl:variable>
-                <xsl:variable name="xrefTarget">
-                        <xsl:value-of select="./dri:p/dri:xref/@target"/>
-                </xsl:variable>
-                <xsl:if test="$itemDivision='item-view'">
-                    <xsl:call-template name="cc-license">
-                        <xsl:with-param name="metadataURL" select="./dri:referenceSet/dri:reference/@url"/>
-                    </xsl:call-template>
-                </xsl:if>
-        <xsl:apply-templates select="@pagination">
-            <xsl:with-param name="position">bottom</xsl:with-param>
-        </xsl:apply-templates>
+              <!--  does this element have any children -->
+              <xsl:when test="child::node()">
+                <xsl:apply-templates select="*[not(name()='head')]"/>
+              </xsl:when>
+              <!-- if no children are found we add a space to eliminate self closing tags -->
+              <xsl:otherwise>
+                &#160;
+              </xsl:otherwise>
+            </xsl:choose>
+	  </xsl:otherwise>
+	</xsl:choose>
+      </div>
+      <xsl:variable name="itemDivision">
+        <xsl:value-of select="@n"/>
+      </xsl:variable>
+      <xsl:variable name="xrefTarget">
+        <xsl:value-of select="./dri:p/dri:xref/@target"/>
+      </xsl:variable>
+      <xsl:if test="$itemDivision='item-view'">
+        <xsl:call-template name="cc-license">
+          <xsl:with-param name="metadataURL" select="./dri:referenceSet/dri:reference/@url"/>
+        </xsl:call-template>
+      </xsl:if>
+      <xsl:apply-templates select="@pagination">
+        <xsl:with-param name="position">bottom</xsl:with-param>
+      </xsl:apply-templates>
     </xsl:template>
-
+    
     <!-- Interactive divs get turned into forms. The priority attribute on the template itself
         signifies that this template should be executed if both it and the one above match the
         same element (namely, the div element).