Skip to content

S
solo
Commit 9e1d40df authored by Liang Ding's avatar Liang Ding
Browse files
Options

接收来自社区的评论时评论人 URL 判断增强

parent 2ee3d9e1
Hide whitespace changes
Inline Side-by-side
Showing with 369 additions and 356 deletions
core/src/main/java/org/b3log/solo/api/symphony/CommentReceiver.java
View file @ 9e1d40df
/*
* Copyright (c) 2009, 2010, 2011, 2012, 2013, B3log Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.b3log.solo.api.symphony;
import java.io.IOException;
import java.net.URL;
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.time.DateFormatUtils;
import org.b3log.latke.Keys;
import org.b3log.latke.Latkes;
import org.b3log.latke.event.Event;
import org.b3log.latke.event.EventManager;
import org.b3log.latke.repository.Transaction;
import org.b3log.latke.service.ServiceException;
import org.b3log.latke.servlet.HTTPRequestContext;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.servlet.annotation.RequestProcessing;
import org.b3log.latke.servlet.annotation.RequestProcessor;
import org.b3log.latke.servlet.renderer.JSONRenderer;
import org.b3log.latke.urlfetch.HTTPHeader;
import org.b3log.latke.urlfetch.HTTPRequest;
import org.b3log.latke.urlfetch.HTTPResponse;
import org.b3log.latke.urlfetch.URLFetchService;
import org.b3log.latke.urlfetch.URLFetchServiceFactory;
import org.b3log.latke.util.MD5;
import org.b3log.latke.util.Requests;
import org.b3log.latke.util.Strings;
import org.b3log.solo.event.EventTypes;
import org.b3log.solo.model.Article;
import org.b3log.solo.model.Comment;
import org.b3log.solo.model.Preference;
import org.b3log.solo.repository.ArticleRepository;
import org.b3log.solo.repository.CommentRepository;
import org.b3log.solo.repository.impl.ArticleRepositoryImpl;
import org.b3log.solo.repository.impl.CommentRepositoryImpl;
import org.b3log.solo.service.PreferenceQueryService;
import org.b3log.solo.util.Articles;
import org.b3log.solo.util.Comments;
import org.b3log.solo.util.QueryResults;
import org.b3log.solo.util.Statistics;
import org.b3log.solo.util.TimeZones;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Comment receiver (from B3log Symphony).
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.5, Jan 18, 2013
* @since 0.5.5
*/
@RequestProcessor
public final class CommentReceiver {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(CommentReceiver.class.getName());
/**
* Comment repository.
*/
private static CommentRepository commentRepository = CommentRepositoryImpl.getInstance();
/**
* Article utilities.
*/
private static Articles articleUtils = Articles.getInstance();
/**
* Preference query service.
*/
private PreferenceQueryService preferenceQueryService = PreferenceQueryService.getInstance();
/**
* Article repository.
*/
private static ArticleRepository articleRepository = ArticleRepositoryImpl.getInstance();
/**
* Statistic utilities.
*/
private static Statistics statistics = Statistics.getInstance();
/**
* Default user thumbnail.
*/
private static final String DEFAULT_USER_THUMBNAIL = "default-user-thumbnail.png";
/**
* URL fetch service.
*/
private static URLFetchService urlFetchService = URLFetchServiceFactory.getURLFetchService();
/**
* Event manager.
*/
private static EventManager eventManager = EventManager.getInstance();
/**
* Adds an article with the specified request.
*
* <p>
* Renders the response with a json object, for example,
* <pre>
* {
* "sc": true
* }
* </pre>
* </p>
*
* @param request the specified http servlet request, for example,
* <pre>
* {
* "comment": {
* "userB3Key": "",
* "oId": "",
* "commentSymphonyArticleId": "",
* "commentOnArticleId": "",
* "commentAuthorName": "",
* "commentAuthorEmail": "",
* "commentAuthorURL": "",
* "commentContent": "",
* "commentOriginalCommentId": "" // optional, if exists this key, the comment is an reply
* }
* }
* </pre>
* @param response the specified http servlet response
* @param context the specified http request context
* @throws Exception exception
*/
@RequestProcessing(value = "/apis/symphony/comment", method = HTTPRequestMethod.PUT)
public void addComment(final HttpServletRequest request, final HttpServletResponse response, final HTTPRequestContext context)
throws Exception {
final JSONRenderer renderer = new JSONRenderer();
context.setRenderer(renderer);
final JSONObject ret = new JSONObject();
renderer.setJSONObject(ret);
final Transaction transaction = commentRepository.beginTransaction();
try {
final JSONObject requestJSONObject = Requests.parseRequestJSONObject(request, response);
final JSONObject symphonyCmt = requestJSONObject.optJSONObject(Comment.COMMENT);
final JSONObject preference = preferenceQueryService.getPreference();
final String keyOfSolo = preference.optString(Preference.KEY_OF_SOLO);
final String key = symphonyCmt.optString("userB3Key");
if (Strings.isEmptyOrNull(keyOfSolo) || !keyOfSolo.equals(key)) {
ret.put(Keys.STATUS_CODE, HttpServletResponse.SC_FORBIDDEN);
ret.put(Keys.MSG, "Wrong key");
return;
}
final String articleId = symphonyCmt.getString("commentOnArticleId");
final JSONObject article = articleRepository.get(articleId);
if (null == article) {
ret.put(Keys.STATUS_CODE, HttpServletResponse.SC_NOT_FOUND);
ret.put(Keys.MSG, "Not found the specified article[id=" + articleId + "]");
return;
}
final String commentName = symphonyCmt.getString("commentAuthorName");
final String commentEmail = symphonyCmt.getString("commentAuthorEmail").trim().toLowerCase();
final String commentURL = "http://" + symphonyCmt.optString("commentAuthorURL");
final String commentId = symphonyCmt.optString(Keys.OBJECT_ID);
String commentContent = symphonyCmt.getString(Comment.COMMENT_CONTENT);
commentContent += "<br/><br/><p style='font-size: 12px;'><i>该评论同步自 <a href='http://symphony.b3log.org/article/"
+ symphonyCmt.optString("commentSymphonyArticleId") + "#" + commentId + "' target='_blank'>B3log 社区</a></i></p>";
final String originalCommentId = symphonyCmt.optString(Comment.COMMENT_ORIGINAL_COMMENT_ID);
// Step 1: Add comment
final JSONObject comment = new JSONObject();
JSONObject originalComment = null;
comment.put(Keys.OBJECT_ID, commentId);
comment.put(Comment.COMMENT_NAME, commentName);
comment.put(Comment.COMMENT_EMAIL, commentEmail);
comment.put(Comment.COMMENT_URL, commentURL);
comment.put(Comment.COMMENT_CONTENT, commentContent);
final String timeZoneId = preference.getString(Preference.TIME_ZONE_ID);
final Date date = TimeZones.getTime(timeZoneId);
comment.put(Comment.COMMENT_DATE, date);
ret.put(Comment.COMMENT_DATE, DateFormatUtils.format(date, "yyyy-MM-dd hh:mm:ss"));
if (!Strings.isEmptyOrNull(originalCommentId)) {
originalComment = commentRepository.get(originalCommentId);
if (null != originalComment) {
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, originalCommentId);
final String originalCommentName = originalComment.getString(Comment.COMMENT_NAME);
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, originalCommentName);
ret.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, originalCommentName);
} else {
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, "");
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, "");
LOGGER.log(Level.WARNING, "Not found orginal comment[id={0}] of reply[name={1}, content={2}]",
new String[] {originalCommentId, commentName, commentContent});
}
} else {
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, "");
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, "");
}
setCommentThumbnailURL(comment);
ret.put(Comment.COMMENT_THUMBNAIL_URL, comment.getString(Comment.COMMENT_THUMBNAIL_URL));
// Sets comment on article....
comment.put(Comment.COMMENT_ON_ID, articleId);
comment.put(Comment.COMMENT_ON_TYPE, Article.ARTICLE);
final String commentSharpURL = getCommentSharpURLForArticle(article, commentId);
comment.put(Comment.COMMENT_SHARP_URL, commentSharpURL);
commentRepository.add(comment);
// Step 2: Update article comment count
articleUtils.incArticleCommentCount(articleId);
// Step 3: Update blog statistic comment count
statistics.incBlogCommentCount();
statistics.incPublishedBlogCommentCount();
// Step 4: Send an email to admin
try {
Comments.sendNotificationMail(article, comment, originalComment, preference);
} catch (final Exception e) {
LOGGER.log(Level.WARNING, "Send mail failed", e);
}
// Step 5: Fire add comment event
final JSONObject eventData = new JSONObject();
eventData.put(Comment.COMMENT, comment);
eventData.put(Article.ARTICLE, article);
eventManager.fireEventSynchronously(new Event<JSONObject>(EventTypes.ADD_COMMENT_TO_ARTICLE_FROM_SYMPHONY, eventData));
transaction.commit();
ret.put(Keys.STATUS_CODE, true);
ret.put(Keys.OBJECT_ID, commentId);
ret.put(Keys.OBJECT_ID, articleId);
ret.put(Keys.MSG, "add a comment to an article from symphony succ");
ret.put(Keys.STATUS_CODE, true);
renderer.setJSONObject(ret);
} catch (final ServiceException e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
final JSONObject jsonObject = QueryResults.defaultResult();
renderer.setJSONObject(jsonObject);
jsonObject.put(Keys.MSG, e.getMessage());
}
}
/**
* Gets comment sharp URL with the specified article and comment id.
*
* @param article the specified article
* @param commentId the specified comment id
* @return comment sharp URL
* @throws JSONException json exception
*/
private static String getCommentSharpURLForArticle(final JSONObject article,
final String commentId)
throws JSONException {
final String articleLink = article.getString(Article.ARTICLE_PERMALINK);
return articleLink + "#" + commentId;
}
/**
* Sets commenter thumbnail URL for the specified comment.
*
* @param comment the specified comment
* @throws Exception exception
*/
private static void setCommentThumbnailURL(final JSONObject comment)
throws Exception {
final String commentEmail = comment.getString(Comment.COMMENT_EMAIL);
final String id = commentEmail.split("@")[0];
final String domain = commentEmail.split("@")[1];
String thumbnailURL = null;
// Try to set thumbnail URL using Gravatar service
final String hashedEmail = MD5.hash(commentEmail.toLowerCase());
final int size = 60;
final URL gravatarURL = new URL(
"http://secure.gravatar.com/avatar/" + hashedEmail + "?s=" + size + "&d=" + Latkes.getServePath()
+ "/images/default-user-thumbnail.png");
try {
final HTTPRequest request = new HTTPRequest();
request.setURL(gravatarURL);
final HTTPResponse response = urlFetchService.fetch(request);
final int statusCode = response.getResponseCode();
if (HttpServletResponse.SC_OK == statusCode) {
final List<HTTPHeader> headers = response.getHeaders();
boolean defaultFileLengthMatched = false;
for (final HTTPHeader httpHeader : headers) {
if ("Content-Length".equalsIgnoreCase(httpHeader.getName())) {
if (httpHeader.getValue().equals("2147")) {
defaultFileLengthMatched = true;
}
}
}
if (!defaultFileLengthMatched) {
thumbnailURL = "http://secure.gravatar.com/avatar/" + hashedEmail + "?s=" + size + "&d=" + Latkes.getServePath()
+ "/images/default-user-thumbnail.png";
comment.put(Comment.COMMENT_THUMBNAIL_URL, thumbnailURL);
LOGGER.log(Level.FINEST, "Comment thumbnail[URL={0}]", thumbnailURL);
return;
}
} else {
LOGGER.log(Level.WARNING, "Can not fetch thumbnail from Gravatar[commentEmail={0}, statusCode={1}]",
new Object[] {commentEmail, statusCode});
}
} catch (final IOException e) {
LOGGER.warning(e.getMessage());
LOGGER.log(Level.WARNING, "Can not fetch thumbnail from Gravatar[commentEmail={0}]", commentEmail);
}
if (null == thumbnailURL) {
LOGGER.log(Level.WARNING, "Not supported yet for comment thumbnail for email[{0}]", commentEmail);
thumbnailURL = "/images/" + DEFAULT_USER_THUMBNAIL;
comment.put(Comment.COMMENT_THUMBNAIL_URL, thumbnailURL);
}
}
}
/*
* Copyright (c) 2009, 2010, 2011, 2012, 2013, B3log Team
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.b3log.solo.api.symphony;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang.time.DateFormatUtils;
import org.b3log.latke.Keys;
import org.b3log.latke.Latkes;
import org.b3log.latke.event.Event;
import org.b3log.latke.event.EventManager;
import org.b3log.latke.repository.Transaction;
import org.b3log.latke.service.ServiceException;
import org.b3log.latke.servlet.HTTPRequestContext;
import org.b3log.latke.servlet.HTTPRequestMethod;
import org.b3log.latke.servlet.annotation.RequestProcessing;
import org.b3log.latke.servlet.annotation.RequestProcessor;
import org.b3log.latke.servlet.renderer.JSONRenderer;
import org.b3log.latke.urlfetch.HTTPHeader;
import org.b3log.latke.urlfetch.HTTPRequest;
import org.b3log.latke.urlfetch.HTTPResponse;
import org.b3log.latke.urlfetch.URLFetchService;
import org.b3log.latke.urlfetch.URLFetchServiceFactory;
import org.b3log.latke.util.MD5;
import org.b3log.latke.util.Requests;
import org.b3log.latke.util.Strings;
import org.b3log.solo.event.EventTypes;
import org.b3log.solo.model.Article;
import org.b3log.solo.model.Comment;
import org.b3log.solo.model.Preference;
import org.b3log.solo.repository.ArticleRepository;
import org.b3log.solo.repository.CommentRepository;
import org.b3log.solo.repository.impl.ArticleRepositoryImpl;
import org.b3log.solo.repository.impl.CommentRepositoryImpl;
import org.b3log.solo.service.PreferenceQueryService;
import org.b3log.solo.util.Articles;
import org.b3log.solo.util.Comments;
import org.b3log.solo.util.QueryResults;
import org.b3log.solo.util.Statistics;
import org.b3log.solo.util.TimeZones;
import org.json.JSONException;
import org.json.JSONObject;
/**
* Comment receiver (from B3log Symphony).
*
* @author <a href="mailto:DL88250@gmail.com">Liang Ding</a>
* @version 1.0.0.6, Mar 18, 2013
* @since 0.5.5
*/
@RequestProcessor
public final class CommentReceiver {
/**
* Logger.
*/
private static final Logger LOGGER = Logger.getLogger(CommentReceiver.class.getName());
/**
* Comment repository.
*/
private static CommentRepository commentRepository = CommentRepositoryImpl.getInstance();
/**
* Article utilities.
*/
private static Articles articleUtils = Articles.getInstance();
/**
* Preference query service.
*/
private PreferenceQueryService preferenceQueryService = PreferenceQueryService.getInstance();
/**
* Article repository.
*/
private static ArticleRepository articleRepository = ArticleRepositoryImpl.getInstance();
/**
* Statistic utilities.
*/
private static Statistics statistics = Statistics.getInstance();
/**
* Default user thumbnail.
*/
private static final String DEFAULT_USER_THUMBNAIL = "default-user-thumbnail.png";
/**
* URL fetch service.
*/
private static URLFetchService urlFetchService = URLFetchServiceFactory.getURLFetchService();
/**
* Event manager.
*/
private static EventManager eventManager = EventManager.getInstance();
/**
* Adds an article with the specified request.
*
* <p>
* Renders the response with a json object, for example,
* <pre>
* {
* "sc": true
* }
* </pre>
* </p>
*
* @param request the specified http servlet request, for example,
* <pre>
* {
* "comment": {
* "userB3Key": "",
* "oId": "",
* "commentSymphonyArticleId": "",
* "commentOnArticleId": "",
* "commentAuthorName": "",
* "commentAuthorEmail": "",
* "commentAuthorURL": "",
* "commentContent": "",
* "commentOriginalCommentId": "" // optional, if exists this key, the comment is an reply
* }
* }
* </pre>
* @param response the specified http servlet response
* @param context the specified http request context
* @throws Exception exception
*/
@RequestProcessing(value = "/apis/symphony/comment", method = HTTPRequestMethod.PUT)
public void addComment(final HttpServletRequest request, final HttpServletResponse response, final HTTPRequestContext context)
throws Exception {
final JSONRenderer renderer = new JSONRenderer();
context.setRenderer(renderer);
final JSONObject ret = new JSONObject();
renderer.setJSONObject(ret);
final Transaction transaction = commentRepository.beginTransaction();
try {
final JSONObject requestJSONObject = Requests.parseRequestJSONObject(request, response);
final JSONObject symphonyCmt = requestJSONObject.optJSONObject(Comment.COMMENT);
final JSONObject preference = preferenceQueryService.getPreference();
final String keyOfSolo = preference.optString(Preference.KEY_OF_SOLO);
final String key = symphonyCmt.optString("userB3Key");
if (Strings.isEmptyOrNull(keyOfSolo) || !keyOfSolo.equals(key)) {
ret.put(Keys.STATUS_CODE, HttpServletResponse.SC_FORBIDDEN);
ret.put(Keys.MSG, "Wrong key");
return;
}
final String articleId = symphonyCmt.getString("commentOnArticleId");
final JSONObject article = articleRepository.get(articleId);
if (null == article) {
ret.put(Keys.STATUS_CODE, HttpServletResponse.SC_NOT_FOUND);
ret.put(Keys.MSG, "Not found the specified article[id=" + articleId + "]");
return;
}
final String commentName = symphonyCmt.getString("commentAuthorName");
final String commentEmail = symphonyCmt.getString("commentAuthorEmail").trim().toLowerCase();
String commentURL = symphonyCmt.optString("commentAuthorURL");
if (!commentURL.contains("://")) {
commentURL = "http://" + commentURL;
}
try {
new URL(commentURL);
} catch (final MalformedURLException e) {
LOGGER.log(Level.WARNING, "The comment URL is invalid [{0}]", commentURL);
commentURL = "";
}
final String commentId = symphonyCmt.optString(Keys.OBJECT_ID);
String commentContent = symphonyCmt.getString(Comment.COMMENT_CONTENT);
commentContent += "<br/><br/><p style='font-size: 12px;'><i>该评论同步自 <a href='http://symphony.b3log.org/article/"
+ symphonyCmt.optString("commentSymphonyArticleId") + "#" + commentId + "' target='_blank'>B3log 社区</a></i></p>";
final String originalCommentId = symphonyCmt.optString(Comment.COMMENT_ORIGINAL_COMMENT_ID);
// Step 1: Add comment
final JSONObject comment = new JSONObject();
JSONObject originalComment = null;
comment.put(Keys.OBJECT_ID, commentId);
comment.put(Comment.COMMENT_NAME, commentName);
comment.put(Comment.COMMENT_EMAIL, commentEmail);
comment.put(Comment.COMMENT_URL, commentURL);
comment.put(Comment.COMMENT_CONTENT, commentContent);
final String timeZoneId = preference.getString(Preference.TIME_ZONE_ID);
final Date date = TimeZones.getTime(timeZoneId);
comment.put(Comment.COMMENT_DATE, date);
ret.put(Comment.COMMENT_DATE, DateFormatUtils.format(date, "yyyy-MM-dd hh:mm:ss"));
if (!Strings.isEmptyOrNull(originalCommentId)) {
originalComment = commentRepository.get(originalCommentId);
if (null != originalComment) {
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, originalCommentId);
final String originalCommentName = originalComment.getString(Comment.COMMENT_NAME);
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, originalCommentName);
ret.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, originalCommentName);
} else {
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, "");
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, "");
LOGGER.log(Level.WARNING, "Not found orginal comment[id={0}] of reply[name={1}, content={2}]",
new String[] {originalCommentId, commentName, commentContent});
}
} else {
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_ID, "");
comment.put(Comment.COMMENT_ORIGINAL_COMMENT_NAME, "");
}
setCommentThumbnailURL(comment);
ret.put(Comment.COMMENT_THUMBNAIL_URL, comment.getString(Comment.COMMENT_THUMBNAIL_URL));
// Sets comment on article....
comment.put(Comment.COMMENT_ON_ID, articleId);
comment.put(Comment.COMMENT_ON_TYPE, Article.ARTICLE);
final String commentSharpURL = getCommentSharpURLForArticle(article, commentId);
comment.put(Comment.COMMENT_SHARP_URL, commentSharpURL);
commentRepository.add(comment);
// Step 2: Update article comment count
articleUtils.incArticleCommentCount(articleId);
// Step 3: Update blog statistic comment count
statistics.incBlogCommentCount();
statistics.incPublishedBlogCommentCount();
// Step 4: Send an email to admin
try {
Comments.sendNotificationMail(article, comment, originalComment, preference);
} catch (final Exception e) {
LOGGER.log(Level.WARNING, "Send mail failed", e);
}
// Step 5: Fire add comment event
final JSONObject eventData = new JSONObject();
eventData.put(Comment.COMMENT, comment);
eventData.put(Article.ARTICLE, article);
eventManager.fireEventSynchronously(new Event<JSONObject>(EventTypes.ADD_COMMENT_TO_ARTICLE_FROM_SYMPHONY, eventData));
transaction.commit();
ret.put(Keys.STATUS_CODE, true);
ret.put(Keys.OBJECT_ID, commentId);
ret.put(Keys.OBJECT_ID, articleId);
ret.put(Keys.MSG, "add a comment to an article from symphony succ");
ret.put(Keys.STATUS_CODE, true);
renderer.setJSONObject(ret);
} catch (final ServiceException e) {
LOGGER.log(Level.SEVERE, e.getMessage(), e);
final JSONObject jsonObject = QueryResults.defaultResult();
renderer.setJSONObject(jsonObject);
jsonObject.put(Keys.MSG, e.getMessage());
}
}
/**
* Gets comment sharp URL with the specified article and comment id.
*
* @param article the specified article
* @param commentId the specified comment id
* @return comment sharp URL
* @throws JSONException json exception
*/
private static String getCommentSharpURLForArticle(final JSONObject article,
final String commentId)
throws JSONException {
final String articleLink = article.getString(Article.ARTICLE_PERMALINK);
return articleLink + "#" + commentId;
}
/**
* Sets commenter thumbnail URL for the specified comment.
*
* @param comment the specified comment
* @throws Exception exception
*/
private static void setCommentThumbnailURL(final JSONObject comment)
throws Exception {
final String commentEmail = comment.getString(Comment.COMMENT_EMAIL);
final String id = commentEmail.split("@")[0];
final String domain = commentEmail.split("@")[1];
String thumbnailURL = null;
// Try to set thumbnail URL using Gravatar service
final String hashedEmail = MD5.hash(commentEmail.toLowerCase());
final int size = 60;
final URL gravatarURL = new URL(
"http://secure.gravatar.com/avatar/" + hashedEmail + "?s=" + size + "&d=" + Latkes.getServePath()
+ "/images/default-user-thumbnail.png");
try {
final HTTPRequest request = new HTTPRequest();
request.setURL(gravatarURL);
final HTTPResponse response = urlFetchService.fetch(request);
final int statusCode = response.getResponseCode();
if (HttpServletResponse.SC_OK == statusCode) {
final List<HTTPHeader> headers = response.getHeaders();
boolean defaultFileLengthMatched = false;
for (final HTTPHeader httpHeader : headers) {
if ("Content-Length".equalsIgnoreCase(httpHeader.getName())) {
if (httpHeader.getValue().equals("2147")) {
defaultFileLengthMatched = true;
}
}
}
if (!defaultFileLengthMatched) {
thumbnailURL = "http://secure.gravatar.com/avatar/" + hashedEmail + "?s=" + size + "&d=" + Latkes.getServePath()
+ "/images/default-user-thumbnail.png";
comment.put(Comment.COMMENT_THUMBNAIL_URL, thumbnailURL);
LOGGER.log(Level.FINEST, "Comment thumbnail[URL={0}]", thumbnailURL);
return;
}
} else {
LOGGER.log(Level.WARNING, "Can not fetch thumbnail from Gravatar[commentEmail={0}, statusCode={1}]",
new Object[] {commentEmail, statusCode});
}
} catch (final IOException e) {
LOGGER.warning(e.getMessage());
LOGGER.log(Level.WARNING, "Can not fetch thumbnail from Gravatar[commentEmail={0}]", commentEmail);
}
if (null == thumbnailURL) {
LOGGER.log(Level.WARNING, "Not supported yet for comment thumbnail for email[{0}]", commentEmail);
thumbnailURL = "/images/" + DEFAULT_USER_THUMBNAIL;
comment.put(Comment.COMMENT_THUMBNAIL_URL, thumbnailURL);
}
}
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment