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Add new content_filter hook in prepare_body

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- Add content warning processing to prepare_body with use of disable_cw
setting
- Add filter_reasons params to prepare_body hook
This commit is contained in:
Hypolite Petovan 2018-04-01 02:26:37 -04:00
parent bec46d7b01
commit b755e808df
1 changed files with 63 additions and 10 deletions
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73
include/text.php
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@ -1209,15 +1209,17 @@ function put_item_in_cache(&$item, $update = false)
* @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
* If attach is true, also add icons for item attachments.
*
* @param array $item
* @param array $item
* @param boolean $attach
* @param boolean $is_preview
* @return string item body html
* @hook prepare_body_init item array before any work
* @hook prepare_body ('item'=>item array, 'html'=>body string) after first bbcode to html
* @hook content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
* @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
* @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
*/
function prepare_body(&$item, $attach = false, $preview = false) {
function prepare_body(array &$item, $attach = false, $is_preview = false)
{
$a = get_app();
Addon::callHooks('prepare_body_init', $item);
@ -1266,6 +1268,20 @@ function prepare_body(&$item, $attach = false, $preview = false) {
$item['hashtags'] = $hashtags;
$item['mentions'] = $mentions;
// Compile eventual content filter reasons
$filter_reasons = [];
if (!empty($item['content-warning']) && !PConfig::get(local_user(), 'social', 'disable_cw')) {
$filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
}
$hook_data = [
'item' => $item,
'filter_reasons' => $filter_reasons
];
Addon::callHooks('content_filter', $hook_data);
$filter_reasons = $hook_data['filter_reasons'];
unset($hook_data);
// Update the cached values if there is no "zrl=..." on the links.
$update = (!local_user() && !remote_user() && ($item["uid"] == 0));
@ -1277,9 +1293,17 @@ function prepare_body(&$item, $attach = false, $preview = false) {
put_item_in_cache($item, $update);
$s = $item["rendered-html"];
$prep_arr = ['item' => $item, 'html' => $s, 'preview' => $preview];
Addon::callHooks('prepare_body', $prep_arr);
$s = $prep_arr['html'];
$hook_data = [
'item' => $item,
'html' => $s,
'preview' => $is_preview,
'filter_reasons' => $filter_reasons
];
Addon::callHooks('prepare_body', $hook_data);
$s = $hook_data['html'];
unset($hook_data);
$s = apply_content_filter($s, $filter_reasons);
if (! $attach) {
// Replace the blockquotes with quotes that are used in mails.
@ -1388,10 +1412,39 @@ function prepare_body(&$item, $attach = false, $preview = false) {
$s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
}
$prep_arr = ['item' => $item, 'html' => $s];
Addon::callHooks('prepare_body_final', $prep_arr);
$hook_data = ['item' => $item, 'html' => $s];
Addon::callHooks('prepare_body_final', $hook_data);
return $prep_arr['html'];
return $hook_data['html'];
}
/**
* Given a HTML text and a set of filtering reasons, adds a content hiding header with the provided reasons
*
* Reasons are expected to have been translated already.
*
* @param string $html
* @param array $reasons
* @return string
*/
function apply_content_filter($html, array $reasons)
{
if (count($reasons)) {
$rnd = random_string(8);
$content_filter_html = '<ul>';
foreach ($reasons as $reason) {
$content_filter_html .= '<li>' . htmlspecialchars($reason) . '</li>' . PHP_EOL;
}
$content_filter_html .= '</ul>
<div id="content-filter-wrap-' . $rnd . '" class="fakelink" onclick=openClose(\'content-filter-' . $rnd . '\'); >' .
L10n::t('Click to open/close') .
'</div>
<div id="content-filter-' . $rnd . '" style="display: none;">';
$html = $content_filter_html . $html . '</div>';
}
return $html;
}
/**