protected void activate(final ComponentContext context) {
// check if the key is valid
logger.info("verifying key for spam check");
boolean isValidKey = akismetService.isVerifiedKey();
if (isValidKey) {
logger.info("Key for Akismet is valid");
} else {
logger.warn("Akismet key is not valid! Spam check is not possible with this key.");
}
}
/** @see WorkflowProcess#execute(WorkItem, WorkflowSession, MetaDataMap) */
public void execute(WorkItem workItem, WorkflowSession workflowSession, MetaDataMap args)
throws WorkflowException {
final Session session = workflowSession.getSession();
final WorkflowData data = workItem.getWorkflowData();
String path = null;
String type = data.getPayloadType();
try {
if (type.equals(TYPE_JCR_PATH) && data.getPayload() != null) {
String payloadData = (String) data.getPayload();
if (session.itemExists(payloadData)) {
path = payloadData;
}
}
if (path != null) {
final Node userGeneratedNode = (Node) session.getItem(path);
if (userGeneratedNode.hasProperty(SLING_RESOURCE_TYPE)
&& userGeneratedNode
.getProperty(SLING_RESOURCE_TYPE)
.getString()
.equals(COMMENT_RESOURCE_TYPE)) {
logger.debug("Spam check for comment node at " + userGeneratedNode.getPath());
String ipAddress = null;
if (userGeneratedNode.hasProperty("ip")) {
ipAddress = userGeneratedNode.getProperty("ip").getString();
logger.debug("Spam check for comment node with ip " + ipAddress);
} else {
setIsSpam(userGeneratedNode, false, session);
logger.info("Comment has no IP address, setting isSpam to false");
return;
}
// if the ip is localhost we set isspam to false as well
if (ipAddress.equalsIgnoreCase("127.0.0.1")
|| ipAddress.equalsIgnoreCase("localhost")
|| ipAddress.equalsIgnoreCase("0:0:0:0:0:0:0:1")) {
setIsSpam(userGeneratedNode, false, session);
logger.info("Comment IP address is localhost, setting isSpam to false");
return;
}
String userAgent = null;
if (userGeneratedNode.hasProperty("userAgent")) {
userAgent = userGeneratedNode.getProperty("userAgent").getString();
logger.debug("Spam check for comment node with userAgent " + userAgent);
} else {
setIsSpam(userGeneratedNode, false, session);
logger.info("Comment has no user agent, setting isSpam to false");
return;
}
String referrer = null;
if (userGeneratedNode.hasProperty("referer")) {
referrer = userGeneratedNode.getProperty("referer").getString();
logger.debug("Spam check for comment node with referrer " + referrer);
}
String permalink = null;
try {
ResourceResolver resourceResolver =
jcrResourceResolverFactory.getResourceResolver(session);
Resource resource = resourceResolver.getResource(path);
BlogManager blogManager = resource.getResourceResolver().adaptTo(BlogManager.class);
Blog entry = blogManager.getBlog(path);
permalink = entry.getFullUrl();
logger.debug("Spam check for comment node with permalink " + permalink);
} catch (Exception e) {
logger.error("Exception " + e.toString() + " getting permalink");
}
String author = null;
if (userGeneratedNode.hasProperty("userIdentifier")) {
author = userGeneratedNode.getProperty("userIdentifier").getString();
logger.debug("Spam check for comment node with permalink " + author);
}
String authorEmail = null;
if (userGeneratedNode.hasProperty("email")) {
authorEmail = userGeneratedNode.getProperty("email").getString();
logger.debug("Spam check for comment node with author " + authorEmail);
}
String authorURL = null;
if (userGeneratedNode.hasProperty("url")) {
authorURL = userGeneratedNode.getProperty("url").getString();
logger.debug("Spam check for comment node with authorURL " + authorURL);
}
String commentText = null;
if (userGeneratedNode.hasProperty("jcr:description")) {
commentText = userGeneratedNode.getProperty("jcr:description").getString();
logger.debug("Spam check for comment node with commentText " + commentText);
}
boolean isSpam =
akismetService.commentCheck(
ipAddress,
userAgent,
referrer,
permalink,
"comment",
author,
authorEmail,
authorURL,
commentText,
null);
setIsSpam(userGeneratedNode, isSpam, session);
logger.info("Spam check result " + isSpam + " for comment: " + workItem.toString());
} else if (userGeneratedNode.hasProperty(SLING_RESOURCE_TYPE)
&& userGeneratedNode
.getProperty(SLING_RESOURCE_TYPE)
.getString()
.equals(TRACKBACK_RESOURCE_TYPE)) { // for
// trackbacks
String ipAddress = null;
if (userGeneratedNode.hasProperty("ip")) {
ipAddress = userGeneratedNode.getProperty("ip").getString();
logger.debug("Spam check for trackback node with ip " + ipAddress);
}
String authorURL = null;
if (userGeneratedNode.hasProperty("url")) {
authorURL = userGeneratedNode.getProperty("url").getString();
logger.debug("Spam check for trackback node with authorURL " + authorURL);
}
String permalink = null;
try {
ResourceResolver resourceResolver =
jcrResourceResolverFactory.getResourceResolver(session);
Resource resource = resourceResolver.getResource(path);
BlogManager blogManager = resource.getResourceResolver().adaptTo(BlogManager.class);
Blog entry = blogManager.getBlog(path);
permalink = entry.getFullUrl();
logger.debug("Spam check for trackback node with permalink " + permalink);
} catch (Exception e) {
logger.error("Exception " + e.toString() + " getting permalink");
}
/*
* it is not really clear from the akismet api how to map
* the trackback's title and blog-name to the api call. will
* try with the code below.
*/
String author = null;
if (userGeneratedNode.hasProperty("blogName")) {
author = userGeneratedNode.getProperty("blogName").getString();
logger.debug("Spam check for trackback node with blogName " + author);
}
// prepending the title to the excerpt
String excerpt = "";
if (userGeneratedNode.hasProperty("excerpt")) {
excerpt = userGeneratedNode.getProperty("excerpt").getString();
logger.debug("Spam check for trackback node with excerpt " + excerpt);
}
if (userGeneratedNode.hasProperty("jcr:title")) {
excerpt = userGeneratedNode.getProperty("jcr:title").getString() + " " + excerpt;
logger.debug(
"Spam check for trackback node with title "
+ userGeneratedNode.hasProperty("jcr:title"));
}
boolean isSpam =
akismetService.commentCheck(
ipAddress,
null,
null,
permalink,
"trackback",
author,
null,
authorURL,
excerpt,
null);
setIsSpam(userGeneratedNode, isSpam, session);
logger.info("Spam check result " + isSpam + " for trackback: " + workItem.toString());
} else {
logger.warn(
"Cannot check for spam because item is not a comment or a trackback. Workitem: "
+ workItem.toString());
}
} else {
logger.warn(
"Cannot check for spam because path is null for this workitem: " + workItem.toString());
}
} catch (RepositoryException e) {
throw new WorkflowException(e);
}
}