Examples with RequestProcessing org.b3log.latke.servlet.annotation.RequestProcessing used on opensource projects

Example 91 with RequestProcessing

use of org.b3log.latke.servlet.annotation.RequestProcessing in project solo by b3log.

the class CaptchaProcessor method get.

/**
     * Gets captcha.
     * 
     * @param context the specified context
     */
@RequestProcessing(value = "/captcha.do", method = HTTPRequestMethod.GET)
public void get(final HTTPRequestContext context) {
    final PNGRenderer renderer = new PNGRenderer();
    context.setRenderer(renderer);
    if (null == captchas) {
        loadCaptchas();
    }
    try {
        final HttpServletRequest request = context.getRequest();
        final HttpServletResponse response = context.getResponse();
        final Random random = new Random();
        final int index = random.nextInt(CAPTCHA_COUNT);
        final Image captchaImg = captchas[index];
        final String captcha = captchaImg.getName();
        final HttpSession httpSession = request.getSession(false);
        if (null != httpSession) {
            LOGGER.log(Level.DEBUG, "Captcha[{0}] for session[id={1}]", new Object[] { captcha, httpSession.getId() });
            httpSession.setAttribute(CAPTCHA, captcha);
        }
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);
        renderer.setImage(captchaImg);
    } catch (final Exception e) {
        LOGGER.log(Level.ERROR, e.getMessage(), e);
    }
}

Example 92 with RequestProcessing

use of org.b3log.latke.servlet.annotation.RequestProcessing in project solo by b3log.

the class CommentProcessor method addPageComment.

/**
     * Adds a comment to a page.
     * <p>
     * Renders the response with a json object, for example,
     * <pre>
     * {
     *     "oId": generatedCommentId,
     *     "sc": "COMMENT_PAGE_SUCC"
     *     "commentDate": "", // yyyy/MM/dd HH:mm:ss
     *     "commentSharpURL": "",
     *     "commentThumbnailURL": "",
     *     "commentOriginalCommentName": "" // if exists this key, the comment is an reply
     * }
     * </pre>
     * </p>
     *
     * @param context the specified context, including a request json object, for example,
     *                "captcha": "",
     *                "oId": pageId,
     *                "commentName": "",
     *                "commentEmail": "",
     *                "commentURL": "",
     *                "commentContent": "", // HTML
     *                "commentOriginalCommentId": "" // optional, if exists this key, the comment is an reply
     * @throws ServletException servlet exception
     * @throws IOException      io exception
     */
@RequestProcessing(value = "/add-page-comment.do", method = HTTPRequestMethod.POST)
public void addPageComment(final HTTPRequestContext context) throws ServletException, IOException {
    final HttpServletRequest httpServletRequest = context.getRequest();
    final HttpServletResponse httpServletResponse = context.getResponse();
    final JSONObject requestJSONObject = Requests.parseRequestJSONObject(httpServletRequest, httpServletResponse);
    requestJSONObject.put(Common.TYPE, Page.PAGE);
    fillCommenter(requestJSONObject, httpServletRequest, httpServletResponse);
    final JSONObject jsonObject = commentMgmtService.checkAddCommentRequest(requestJSONObject);
    final JSONRenderer renderer = new JSONRenderer();
    context.setRenderer(renderer);
    renderer.setJSONObject(jsonObject);
    if (!jsonObject.optBoolean(Keys.STATUS_CODE)) {
        LOGGER.log(Level.WARN, "Can't add comment[msg={0}]", jsonObject.optString(Keys.MSG));
        return;
    }
    final HttpSession session = httpServletRequest.getSession(false);
    if (null == session) {
        jsonObject.put(Keys.STATUS_CODE, false);
        jsonObject.put(Keys.MSG, langPropsService.get("captchaErrorLabel"));
        return;
    }
    final String storedCaptcha = (String) session.getAttribute(CaptchaProcessor.CAPTCHA);
    session.removeAttribute(CaptchaProcessor.CAPTCHA);
    if (!userQueryService.isLoggedIn(httpServletRequest, httpServletResponse)) {
        final String captcha = requestJSONObject.optString(CaptchaProcessor.CAPTCHA);
        if (null == storedCaptcha || !storedCaptcha.equals(captcha)) {
            jsonObject.put(Keys.STATUS_CODE, false);
            jsonObject.put(Keys.MSG, langPropsService.get("captchaErrorLabel"));
            return;
        }
    }
    try {
        final JSONObject addResult = commentMgmtService.addPageComment(requestJSONObject);
        final Map<String, Object> dataModel = new HashMap<>();
        dataModel.put(Comment.COMMENT, addResult);
        final JSONObject page = addResult.optJSONObject(Page.PAGE);
        page.put(Common.COMMENTABLE, addResult.opt(Common.COMMENTABLE));
        page.put(Common.PERMALINK, addResult.opt(Common.PERMALINK));
        dataModel.put(Article.ARTICLE, page);
        // https://github.com/b3log/solo/issues/12246
        try {
            final String skinDirName = (String) httpServletRequest.getAttribute(Keys.TEMAPLTE_DIR_NAME);
            final Template template = Templates.MAIN_CFG.getTemplate("common-comment.ftl");
            final JSONObject preference = preferenceQueryService.getPreference();
            Skins.fillLangs(preference.optString(Option.ID_C_LOCALE_STRING), skinDirName, dataModel);
            Keys.fillServer(dataModel);
            final StringWriter stringWriter = new StringWriter();
            template.process(dataModel, stringWriter);
            stringWriter.close();
            addResult.put("cmtTpl", stringWriter.toString());
        } catch (final Exception e) {
        // 1.9.0 向后兼容
        }
        addResult.put(Keys.STATUS_CODE, true);
        renderer.setJSONObject(addResult);
    } catch (final Exception e) {
        LOGGER.log(Level.ERROR, "Can not add comment on page", e);
        jsonObject.put(Keys.STATUS_CODE, false);
        jsonObject.put(Keys.MSG, langPropsService.get("addFailLabel"));
    }
}

Example 93 with RequestProcessing

use of org.b3log.latke.servlet.annotation.RequestProcessing in project solo by b3log.

the class FeedProcessor method blogArticlesRSS.

/**
     * Blog articles RSS output.
     *
     * @param context the specified context
     */
@RequestProcessing(value = { "/blog-articles-rss.do" }, method = { HTTPRequestMethod.GET, HTTPRequestMethod.HEAD })
public void blogArticlesRSS(final HTTPRequestContext context) {
    final HttpServletResponse response = context.getResponse();
    final RssRenderer renderer = new RssRenderer();
    context.setRenderer(renderer);
    final Channel channel = new Channel();
    try {
        final JSONObject preference = preferenceQueryService.getPreference();
        if (null == preference) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final String blogTitle = preference.getString(Option.ID_C_BLOG_TITLE);
        final String blogSubtitle = preference.getString(Option.ID_C_BLOG_SUBTITLE);
        final int outputCnt = preference.getInt(Option.ID_C_FEED_OUTPUT_CNT);
        channel.setTitle(StringEscapeUtils.escapeXml(blogTitle));
        channel.setLastBuildDate(new Date());
        channel.setLink(Latkes.getServePath());
        channel.setAtomLink(Latkes.getServePath() + "/blog-articles-rss.do");
        channel.setGenerator("Solo, ver " + SoloServletListener.VERSION);
        final String localeString = preference.getString(Option.ID_C_LOCALE_STRING);
        final String country = Locales.getCountry(localeString).toLowerCase();
        final String language = Locales.getLanguage(localeString).toLowerCase();
        channel.setLanguage(language + '-' + country);
        channel.setDescription(blogSubtitle);
        final List<Filter> filters = new ArrayList<Filter>();
        filters.add(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true));
        filters.add(new PropertyFilter(Article.ARTICLE_VIEW_PWD, FilterOperator.EQUAL, ""));
        final Query query = new Query().setCurrentPageNum(1).setPageSize(outputCnt).setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters)).addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).setPageCount(1);
        final JSONObject articleResult = articleRepository.get(query);
        final JSONArray articles = articleResult.getJSONArray(Keys.RESULTS);
        final boolean hasMultipleUsers = userQueryService.hasMultipleUsers();
        String authorName = "";
        if (!hasMultipleUsers && 0 != articles.length()) {
            authorName = articleQueryService.getAuthor(articles.getJSONObject(0)).getString(User.USER_NAME);
        }
        final boolean isFullContent = "fullContent".equals(preference.getString(Option.ID_C_FEED_OUTPUT_MODE));
        for (int i = 0; i < articles.length(); i++) {
            Item item = getItem(articles, hasMultipleUsers, authorName, isFullContent, i);
            channel.addItem(item);
        }
        renderer.setContent(channel.toString());
    } catch (final Exception e) {
        LOGGER.log(Level.ERROR, "Get blog article rss error", e);
        try {
            context.getResponse().sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
        } catch (final IOException ex) {
            throw new RuntimeException(ex);
        }
    }
}

Example 94 with RequestProcessing

use of org.b3log.latke.servlet.annotation.RequestProcessing in project solo by b3log.

the class FeedProcessor method tagArticlesAtom.

/**
     * Tag articles Atom output.
     *
     * @param context the specified context
     * @throws IOException io exception
     */
@RequestProcessing(value = { "/tag-articles-feed.do" }, method = { HTTPRequestMethod.GET, HTTPRequestMethod.HEAD })
public void tagArticlesAtom(final HTTPRequestContext context) throws IOException {
    final AtomRenderer renderer = new AtomRenderer();
    context.setRenderer(renderer);
    final HttpServletRequest request = context.getRequest();
    final HttpServletResponse response = context.getResponse();
    final String queryString = request.getQueryString();
    if (Strings.isEmptyOrNull(queryString)) {
        response.sendError(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }
    final String oIdMap = queryString.split("&")[0];
    final String tagId = oIdMap.split("=")[1];
    final Feed feed = new Feed();
    try {
        final JSONObject tag = tagRepository.get(tagId);
        if (null == tag) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final String tagTitle = tag.getString(Tag.TAG_TITLE);
        final JSONObject preference = preferenceQueryService.getPreference();
        if (null == preference) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final String blogTitle = preference.getString(Option.ID_C_BLOG_TITLE);
        final String blogSubtitle = preference.getString(Option.ID_C_BLOG_SUBTITLE) + ", " + tagTitle;
        final int outputCnt = preference.getInt(Option.ID_C_FEED_OUTPUT_CNT);
        feed.setTitle(StringEscapeUtils.escapeXml(blogTitle));
        feed.setSubtitle(StringEscapeUtils.escapeXml(blogSubtitle));
        feed.setUpdated(new Date());
        feed.setAuthor(StringEscapeUtils.escapeXml(blogTitle));
        feed.setLink(Latkes.getServePath() + "/tag-articles-feed.do");
        feed.setId(Latkes.getServePath() + "/");
        final JSONObject tagArticleResult = tagArticleRepository.getByTagId(tagId, 1, outputCnt);
        final JSONArray tagArticleRelations = tagArticleResult.getJSONArray(Keys.RESULTS);
        if (0 == tagArticleRelations.length()) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }
        final List<JSONObject> articles = new ArrayList<JSONObject>();
        for (int i = 0; i < tagArticleRelations.length(); i++) {
            final JSONObject tagArticleRelation = tagArticleRelations.getJSONObject(i);
            final String articleId = tagArticleRelation.getString(Article.ARTICLE + "_" + Keys.OBJECT_ID);
            final JSONObject article = articleRepository.get(articleId);
            if (// Skips the unpublished article
            article.getBoolean(Article.ARTICLE_IS_PUBLISHED) && Strings.isEmptyOrNull(article.optString(Article.ARTICLE_VIEW_PWD))) {
                // Skips article with password
                articles.add(article);
            }
        }
        final boolean hasMultipleUsers = userQueryService.hasMultipleUsers();
        String authorName = "";
        if (!hasMultipleUsers && !articles.isEmpty()) {
            authorName = articleQueryService.getAuthor(articles.get(0)).getString(User.USER_NAME);
        }
        final boolean isFullContent = "fullContent".equals(preference.getString(Option.ID_C_FEED_OUTPUT_MODE));
        for (int i = 0; i < articles.size(); i++) {
            Entry entry = getEntryForArticle(articles, hasMultipleUsers, authorName, isFullContent, i);
            feed.addEntry(entry);
        }
        renderer.setContent(feed.toString());
    } catch (final Exception e) {
        LOGGER.log(Level.ERROR, "Get tag article feed error", e);
        try {
            context.getResponse().sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
        } catch (final IOException ex) {
            throw new RuntimeException(ex);
        }
    }
}

Example 95 with RequestProcessing

use of org.b3log.latke.servlet.annotation.RequestProcessing in project solo by b3log.

the class FeedProcessor method blogArticlesAtom.

/**
     * Blog articles Atom output.
     *
     * @param context the specified context
     */
@RequestProcessing(value = { "/blog-articles-feed.do" }, method = { HTTPRequestMethod.GET, HTTPRequestMethod.HEAD })
public void blogArticlesAtom(final HTTPRequestContext context) {
    final AtomRenderer renderer = new AtomRenderer();
    context.setRenderer(renderer);
    final Feed feed = new Feed();
    try {
        final JSONObject preference = preferenceQueryService.getPreference();
        final String blogTitle = preference.getString(Option.ID_C_BLOG_TITLE);
        final String blogSubtitle = preference.getString(Option.ID_C_BLOG_SUBTITLE);
        final int outputCnt = preference.getInt(Option.ID_C_FEED_OUTPUT_CNT);
        feed.setTitle(StringEscapeUtils.escapeXml(blogTitle));
        feed.setSubtitle(StringEscapeUtils.escapeXml(blogSubtitle));
        feed.setUpdated(new Date());
        feed.setAuthor(StringEscapeUtils.escapeXml(blogTitle));
        feed.setLink(Latkes.getServePath() + "/blog-articles-feed.do");
        feed.setId(Latkes.getServePath() + "/");
        final List<Filter> filters = new ArrayList<Filter>();
        filters.add(new PropertyFilter(Article.ARTICLE_IS_PUBLISHED, FilterOperator.EQUAL, true));
        filters.add(new PropertyFilter(Article.ARTICLE_VIEW_PWD, FilterOperator.EQUAL, ""));
        final Query query = new Query().setCurrentPageNum(1).setPageSize(outputCnt).setFilter(new CompositeFilter(CompositeFilterOperator.AND, filters)).addSort(Article.ARTICLE_UPDATE_DATE, SortDirection.DESCENDING).setPageCount(1);
        final boolean hasMultipleUsers = userQueryService.hasMultipleUsers();
        String authorName = "";
        final JSONObject articleResult = articleRepository.get(query);
        final JSONArray articles = articleResult.getJSONArray(Keys.RESULTS);
        if (!hasMultipleUsers && 0 != articles.length()) {
            authorName = articleQueryService.getAuthor(articles.getJSONObject(0)).getString(User.USER_NAME);
        }
        final boolean isFullContent = "fullContent".equals(preference.getString(Option.ID_C_FEED_OUTPUT_MODE));
        for (int i = 0; i < articles.length(); i++) {
            Entry entry = getEntry(hasMultipleUsers, authorName, articles, isFullContent, i);
            feed.addEntry(entry);
        }
        renderer.setContent(feed.toString());
    } catch (final Exception e) {
        LOGGER.log(Level.ERROR, "Get blog article feed error", e);
        try {
            context.getResponse().sendError(HttpServletResponse.SC_SERVICE_UNAVAILABLE);
        } catch (final IOException ex) {
            throw new RuntimeException(ex);
        }
    }
}