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<?php namespace HashOver;
// Copyright (C) 2018 Jacob Barkdull
// This file is part of HashOver.
//
// HashOver is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// HashOver is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with HashOver. If not, see <http://www.gnu.org/licenses/>.
// Change to the HashOver directory
chdir (realpath ('../../'));
// Check if request is for JSONP
if (isset ($_GET['jsonp'])) {
// If so, setup HashOver for JavaScript
require ('backend/javascript-setup.php');
} else {
// If not, setup HashOver for JSON
require ('backend/json-setup.php');
}
try {
// Instantiate HashOver class
$hashover = new \HashOver ('json', 'api');
$hashover->setup->setThreadName ('request');
$hashover->initiate ();
$hashover->finalize ();
// Throw exception if the "Latest Comments" API is disabled
if ($hashover->setup->apiStatus ('latest') === 'disabled') {
throw new \Exception ('This API is not enabled.');
}
// Comments and statistics response array
$data = array ();
// Add locales to data
$data['locale'] = array (
'date-time' => $hashover->locale->text['date-time'],
'dislike' => $hashover->locale->text['dislike'],
'external-image-tip' => $hashover->locale->text['external-image-tip'],
'like' => $hashover->locale->text['like'],
'today' => $hashover->locale->text['date-today'],
'commenter-tip' => $hashover->locale->text['commenter-tip'],
'subscribed-tip' => $hashover->locale->text['subscribed-tip'],
'unsubscribed-tip' => $hashover->locale->text['unsubscribed-tip'],
'replies' => $hashover->locale->text['replies'],
'reply' => $hashover->locale->text['reply'],
'loading' => $hashover->locale->text['loading'],
'click-to-close' => $hashover->locale->text['click-to-close'],
'day-names' => $hashover->locale->text['date-day-names'],
'month-names' => $hashover->locale->text['date-month-names']
);
// Add setup information to data
$data['setup'] = array (
'server-eol' => PHP_EOL,
'default-name' => $hashover->setup->defaultName,
'user-is-logged-in' => $hashover->login->userIsLoggedIn,
'time-format' => $hashover->setup->timeFormat,
'image-extensions' => $hashover->setup->imageTypes,
'image-placeholder' => $hashover->setup->getImagePath ('place-holder'),
'theme-css' => $hashover->setup->getThemePath ('latest.css'),
'device-type' => ($hashover->setup->isMobile === true) ? 'mobile' : 'desktop',
'uses-user-timezone' => $hashover->setup->usesUserTimezone,
'uses-short-dates' => $hashover->setup->usesShortDates,
'allows-images' => $hashover->setup->allowsImages,
'uses-markdown' => $hashover->setup->usesMarkdown
);
// Add UI HTML to data
$data['ui'] = array (
'user-avatar' => $hashover->ui->userAvatar (),
'name-link' => $hashover->ui->nameElement ('a'),
'name-span' => $hashover->ui->nameElement ('span'),
'thread-link' => $hashover->ui->threadLink (),
'reply-link' => $hashover->ui->formLink ('{{href}}', 'reply'),
'like-count' => $hashover->ui->likeCount ('likes'),
'dislike-count' => $hashover->ui->likeCount ('dislikes'),
'name-wrapper' => $hashover->ui->nameWrapper (),
'date-link' => $hashover->ui->dateLink (),
'comment-wrapper' => $hashover->ui->commentWrapper (),
'theme' => $hashover->templater->parseTheme ('latest.html')
);
// Attempt to get comment thread from GET/POST data
$get_thread = $hashover->setup->getRequest ('thread', 'auto');
// Check if we're getting metadata for a specific thread
if ($get_thread !== 'auto') {
// If so, attempt to read thread-specific latest comments metadata
$latest = $hashover->thread->data->readMeta ('latest-comments', $get_thread);
} else {
// If not, attempt to read global latest comments metadata
$latest = $hashover->thread->data->readMeta ('latest-comments', 'auto', true);
}
// Check if the latest comments read successfully
if ($latest !== false) {
// If so, reduce number of latest comments to configured limit
$latest = array_slice ($latest, 0, $hashover->setup->latestMax);
} else {
// If not, set to empty array
$latest = array ();
}
// Latest comments
$comments = array ();
// Run through the latest comments
foreach ($latest as $item) {
// Get comment key
$key = basename ($item);
$key_parts = explode ('-', $key);
// Decide proper thread
$thread = ($get_thread === 'auto') ? dirname ($item) : $get_thread;
// Attempt to read page information metadata
$page_info = $hashover->thread->data->readMeta ('page-info', $thread);
// Attempt to read comment
$raw = $hashover->thread->data->read ($key, $thread);
// Skip failed or unapproved comments or missing metadata
if ((!empty ($raw['status']) and $raw['status'] !== 'approved')
or ($raw and $page_info) === false)
{
continue;
}
// Parse comment
$comment = $hashover->commentParser->parse ($raw, $key, $key_parts);
// Merge comment with page metadata
$comment = array_merge ($page_info, $comment);
// Trim comment body to configurable length
if ($hashover->setup->latestTrimWidth > 0) {
// Instantiate WriteComments
//
// TODO: Split WriteComments into multiple classes so we
// can instantiate only the functionality that we need
//
$write_comments = new WriteComments (
$hashover->setup,
$hashover->thread
);
// Shorthands
$trim_length = $hashover->setup->latestTrimWidth;
$close_tags = $write_comments->closeTags;
// Add <code> to list of tags to close
$write_comments->closeTags[] = 'code';
// Trim the comment to configurable length
$body = rtrim (mb_strimwidth ($comment['body'], 0, $trim_length, '...'));
// Close any tags that may have had their endings trimmed off
$body = $write_comments->tagCloser ($close_tags, $body);
// Escape any HTML tags that may have been trimmed in half
$body = $write_comments->htmlSelectiveEscape ($body);
// Update the comment
$comment['body'] = $body;
}
// Add comment to response array
$comments[] = $comment;
}
// HashOver instance information
$data['instance'] = array (
'comments' => array ('primary' => $comments),
'total-count' => count ($comments)
);
// Generate statistics
$hashover->statistics->executionEnd ();
// HashOver statistics
$data['statistics'] = array (
'execution-time' => $hashover->statistics->executionTime,
'script-memory' => $hashover->statistics->scriptMemory,
'system-memory' => $hashover->statistics->systemMemory
);
// Encode JSON data
echo $hashover->misc->jsonData ($data);
} catch (\Exception $error) {
$misc = new Misc ('json');
$message = $error->getMessage ();
$misc->displayError ($message);
}
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