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ponepaste/includes/functions.php

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PHP
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<?php
/*
* Paste <https://github.com/jordansamuel/PASTE>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program 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 General Public License in GPL.txt for more details.
*/
function timer() {
static $start;
if (is_null($start)) {
$start = microtime(true);
} else {
$diff = round((microtime(true) - $start), 4);
$start = null;
return $diff;
}
}
function getUserFavs($conn, $username) {
$query = $conn->prepare("SELECT pins.f_time, pins.m_fav, pins.f_paste, pastes.id, pastes.title, pastes.now_time, pastes.tagsys FROM pins, pastes WHERE pins.f_paste = pastes.id AND pins.m_fav=?'");
$query->execute([$username]);
return $query->fetchAll();
}
function CountPasteFavs($conn, $fav_id) {
$query = $conn->prepare("SELECT COUNT(f_paste) FROM pins WHERE f_paste=?");
$query->execute([$fav_id]);
return $query->fetchAll();
}
function checkFavorite($paste_id, $user_id, $conn) {
$result = $conn->query("SELECT * FROM pins WHERE m_fav = '" . $user_id . "' AND f_paste = '" . $paste_id . "'");
$numrows = $result->num_rows;
if ($numrows == 0) {
echo "<a href='#' id='favorite' class='iconn tool-iconn' data-fid='" . $paste_id . "'><i class='far fa-star fa-lg has-text-grey' title='Favourite'></i></a>";
} else {
echo "<a href='#' id='favorite' class='iconn tool-iconn' data-fid='" . $paste_id . "'><i class='fas fa-star fa-lg has-text-grey' title='Favourite'></i></a>";
}
}
function getreports($conn, $count = 10) {
$query = $conn->prepare('SELECT * FROM user_reports LIMIT ?');
$query->execute([$count]);
return $query->fetchAll();
}
function sandwitch($str) {
$output = "";
$arr = explode(",", $str);
foreach ($arr as $word) {
$word = ucfirst($word);
if (stripos($word, 'nsfw') !== false) {
$word = strtoupper($word);
$tagcolor = "tag is-danger";
} elseif (stripos($word, 'SAFE') !== false) {
$word = strtoupper($word);
$tagcolor = "tag is-success";
} elseif (strstr($word, '/')) {
$tagcolor = "tag is-primary";
} else {
$tagcolor = "tag is-info";
}
$output .= '<a href="/archive?q=' . trim($word) . '"><span class="' . $tagcolor . '">' . trim($word) . '</span>';
}
return $output;
}
function getevent($conn, $event_name, $count) {
$query = $conn->prepare("SELECT id, visible, title, date, now_time, views, member, tagsys FROM pastes WHERE visible='1' AND tagsys LIKE '%?%'
ORDER BY RAND () LIMIT 0, ?");
$query->execute([$event_name, $count]);
return $query->fetchAll();
}
function linkify($value, $protocols = array('http', 'mail'), array $attributes = array()) {
// Link attributes
$attr = '';
foreach ($attributes as $key => $val) {
$attr .= ' ' . $key . '="' . htmlentities($val) . '"';
}
$links = array();
// Extract existing links and tags
$value = preg_replace_callback('~(<a .*?>.*?</a>|<.*?>)~i', function ($match) use (&$links) {
return '<' . array_push($links, $match[1]) . '>';
}, $value);
// Extract text links for each protocol
foreach ((array)$protocols as $protocol) {
switch ($protocol) {
case 'http':
case 'https':
$value = preg_replace_callback('~(?:(https?)://([^\s<]+)|(www\.[^\s<]+?\.[^\s<]+))(?<![\.,:])~i', function ($match) use ($protocol, &$links, $attr) {
if ($match[1]) $protocol = $match[1];
$link = $match[2] ?: $match[3];
return '<' . array_push($links, "<a $attr href=\"$protocol://$link\">$protocol://$link</a>") . '>';
}, $value);
break;
default:
$value = preg_replace_callback('~' . preg_quote($protocol, '~') . '://([^\s<]+?)(?<![\.,:])~i', function ($match) use ($protocol, &$links, $attr) {
return '<' . array_push($links, "<a $attr href=\"$protocol://{$match[1]}\">$protocol://{$match[1]}</a>") . '>';
}, $value);
break;
}
}
// Insert all link
return preg_replace_callback('/<(\d+)>/', function ($match) use (&$links) {
return $links[$match[1] - 1];
}, $value);
}
function getRecentreport($conn, $count) {
$query = $conn->prepare("SELECT id, m_report, p_report, rep_reason, t_report FROM user_reports
ORDER BY id DESC
LIMIT 0 , ?");
$query->execute([$count]);
return $query->fetchAll();
}
function getUserRecom($conn, $p_member) {
$query = $conn->prepare("SELECT id, member, title, visible
FROM pastes where member= ? AND visible = '0'
ORDER BY id DESC
LIMIT 0 , 5");
$query->execute([$p_member]);
return $query->fetchAll();
}
function recentupdate($conn, $count) {
$query = $conn->prepare("SELECT id, visible, title, date, timeedit, now_time, member, tagsys FROM pastes WHERE visible='0' ORDER BY timeedit DESC
LIMIT 10 , ?");
$query->execute([$count]);
return $query->fetchAll();
}
//Cannot get this to work.
function monthpop($conn, $count) {
$p_month = date('F');
$query = $conn->prepare("SELECT s_date, views, title, id, now_time, visible, tagsys, member FROM pastes WHERE s_date LIKE ? AND visible = '0' ORDER BY views + 0 DESC LIMIT 10, ?");
$query->execute([$p_month, $count]);
return $query->fetchAll();
}
function isValidEmail($email) {
return filter_var($email, FILTER_VALIDATE_EMAIL)
&& preg_match('/@.+\./', $email);
}
function formatBytes($size, $precision = 2) {
$base = log($size, 1024);
$suffixes = array('B', 'KB', 'MB', 'GB', 'TB');
return round(pow(1024, $base - floor($base)), $precision) . ' ' . $suffixes[floor($base)];
}
function str_conntains($haystack, $needle, $ignoreCase = false) {
if ($ignoreCase) {
$haystack = strtolower($haystack);
$needle = strtolower($needle);
}
$needlePos = strpos($haystack, $needle);
return ($needlePos === false ? false : ($needlePos + 1));
}
function encrypt($value) {
$salt = $sec_key;
$encrypted_string = openssl_encrypt($value, "AES-256-CBC", $salt);
return $encrypted_string;
}
function decrypt($value) {
$salt = $sec_key;
$decrypted_string = openssl_decrypt($value, "AES-256-CBC", $salt);
return $decrypted_string;
}
function deleteMyPaste($conn, $paste_id) {
$query = "DELETE FROM pastes where id='$paste_id'";
$result = mysqli_query($conn, $query);
}
function getRecent($conn, $count) {
$query = $conn->prepare("SELECT id, visible, title, date, now_time, member, tagsys
FROM pastes where visible='0'
ORDER BY id DESC
LIMIT ?");
$query->execute([$count]);
return $query->fetchAll();
}
function getRecentadmin($conn, $count = 5) {
$query = $conn->prepare('SELECT id, ip title, date, now_time, s_date, views, member FROM pastes ORDER BY id DESC LIMIT 0, ?');
$query->execute([$count]);
return $query->fetchAll();
}
function getpopular($conn, $count) {
$query = $conn->prepare("SELECT id, visible, title, date, now_time, views, member, tagsys
FROM pastes WHERE visible='0'
ORDER BY views + 0 DESC
LIMIT 0, ?");
$query->execute([$count]);
return $query->fetchAll();
}
function getrandom($conn, $count) {
$query = $conn->prepare("SELECT id, visible, title, date, now_time, views, member, tagsys
FROM pastes where visible='0'
ORDER BY RAND()
LIMIT ?");
$query->execute([$count]);
return $query->fetchAll();
}
function getUserRecent($conn, $count, $username) {
$query = $conn->prepare("SELECT id, member, title, date, now_time
FROM pastes where member=?
ORDER BY id DESC
LIMIT 0 , ?");
$query->execute([$username, $count]);
return $query->fetchAll();
}
function getUserPastes($conn, $username) {
$query = $conn->prepare("SELECT id, title, code, views, s_date, now_time, visible, date, tagsys, member FROM pastes where member=? ORDER by id DESC");
$query->execute([$username]);
return $query->fetchAll();
}
function jsonView($paste_id, $p_title, $p_conntent, $p_code) {
$stats = false;
if ($p_code) {
// Raw
header('conntent-type: text/plain');
echo $p_conntent;
$stats = true;
} else {
// 404
header('HTTP/1.1 404 Not Found');
}
return $stats;
}
function getTotalPastes(PDO $conn, string $username) : int {
$query = $conn->prepare("SELECT COUNT(*) FROM pastes WHERE member = ?");
$query->execute([$username]);
return intval($query->fetch(PDO::FETCH_NUM)[0]);
}
function isValidUsername(string $str) : bool {
return !preg_match('/[^A-Za-z0-9._\\-$]/', $str);
}
function existingUser(PDO $conn, string $username) : bool {
$query = $conn->prepare('SELECT 1 FROM users WHERE username = ?');
$query->execute([$username]);
return (bool)$query->fetch();
}
function updateMyView($conn, $paste_id) {
$query = $conn->prepare("SELECT views, id FROM pastes WHERE id= ?");
$query->execute([$paste_id]);
if ($row = $query->fetch()) {
$p_view = Trim($row['views']);
}
$p_view = $p_view + 1;
$query = $conn->prepare("UPDATE pastes SET views='$p_view' where id= ?");
$query->execute([$paste_id]);
return $query->fetchAll();
}
function conTime($secs) {
// round up to 1 seconnd
if ($secs == 0) {
$secs = 1;
}
$bit = array(
' year' => $secs / 31556926 % 12,
' week' => $secs / 604800 % 52,
' day' => $secs / 86400 % 7,
' hour' => $secs / 3600 % 24,
' min' => $secs / 60 % 60,
' sec' => $secs % 60
);
foreach ($bit as $k => $v) {
if ($v > 1)
$ret[] = $v . $k . 's';
if ($v == 1)
$ret[] = $v . $k;
}
array_splice($ret, count($ret) - 1, 0, 'and');
$ret[] = 'ago';
$val = join(' ', $ret);
if (str_conntains($val, "week")) {
} else {
$val = str_replace("and", "", $val);
}
if (Trim($val) == "ago") {
$val = "1 sec ago";
}
return $val;
}
function truncate($input, $maxWords, $maxChars) {
$words = preg_split('/\s+/', $input);
$words = array_slice($words, 0, $maxWords);
$words = array_reverse($words);
$chars = 0;
$truncated = array();
while (count($words) > 0) {
$fragment = trim(array_pop($words));
$chars += strlen($fragment);
if ($chars > $maxChars)
break;
$truncated[] = $fragment;
}
$result = implode(' ', $truncated);
return $result . ($input == $result ? '' : '[...]');
}
function truncatetag($input, $maxWords, $maxChars) {
$str = $input;
$pattern = '/,/i';
$words = preg_replace($pattern, ' ', $str);
$words = preg_split('/\s+/', $input);
$words = array_slice($words, 0, $maxWords);
$words = array_reverse($words);
$chars = 0;
$truncated1 = array();
while (count($words) > 0) {
$fragment = trim(array_pop($words));
$chars += strlen($fragment);
if ($chars > $maxChars)
break;
$truncated1[] = $fragment;
}
$result = implode($truncated1, ' ');
return $result . ($input == $result ? '' : '...');
}
function doDownload($paste_id, $p_title, $p_member, $p_conntent, $p_code) {
$stats = false;
if ($p_code) {
// Figure out extensions.
$ext = "txt";
switch ($p_code) {
default:
$ext = 'txt';
break;
}
// Download
$p_title = stripslashes($p_title);
header('content-type: text/plain');
header('content-Disposition: attachment; filename="' . $paste_id . '_' . $p_title . '_' . $p_member . '.' . $ext . '"');
echo $p_conntent;
$stats = true;
} else {
// 404
header('HTTP/1.1 404 Not Found');
}
return $stats;
}
function rawView($paste_id, $p_title, $p_conntent, $p_code) {
$stats = false;
if ($p_code) {
// Raw
header('content-type: text/plain');
echo $p_conntent;
$stats = true;
} else {
// 404
header('HTTP/1.1 404 Not Found');
}
return $stats;
}
function embedView($paste_id, $p_title, $p_conntent, $p_code, $title, $baseurl, $ges_style, $lang) {
$stats = false;
if ($p_conntent) {
// Build the output
$output = "<div class='paste_embed_conntainer'>";
$output .= "<style>"; // Add our own styles
$output .= "
.paste_embed_conntainer {
font-size: 12px;
color: #333;
text-align: left;
margin-bottom: 1em;
border: 1px solid #ddd;
background-color: #f7f7f7;
border-radius: 3px;
}
.paste_embed_conntainer a {
font-weight: bold;
color: #666;
text-decoration: none;
border: 0;
}
.paste_embed_conntainer ol {
color: white;
background-color: #f7f7f7;
border-right: 1px solid #ccc;
margin: 0;
}
.paste_embed_footer {
font-size:14px;
padding: 10px;
overflow: hidden;
color: #767676;
background-color: #f7f7f7;
border-radius: 0 0 2px 2px;
border-top: 1px solid #ccc;
}
.de1, .de2 {
-moz-user-select: text;
-khtml-user-select: text;
-webkit-user-select: text;
-ms-user-select: text;
user-select: text;
padding: 0 8px;
color: #000;
border-left: 1px solid #ddd;
background: #ffffff;
line-height:20px;
}";
$output .= "</style>";
$output .= "$ges_style"; // Dynamic GeSHI Style
$output .= $p_conntent; // Paste conntent
$output .= "<div class='paste_embed_footer'>";
$output .= "<a href='https://ponepaste.org/$paste_id'>$p_title</a> " . $lang['embed-hosted-by'] . " <a href='https://ponepaste.org'>$title</a> | <a href='https://ponepaste.org/raw/$paste_id'>" . strtolower($lang['view-raw']) . "</a>";
$output .= "</div>";
$output .= "</div>";
// Display embed conntent using json_encode since that escapes
// characters well enough to satisfy javascript. http://stackoverflow.com/a/169035
header('conntent-type: text/javascript; charset=utf-8;');
echo 'document.write(' . json_encode($output) . ')';
$stats = true;
} else {
// 404
header('HTTP/1.1 404 Not Found');
}
return $stats;
}
function addToSitemap($paste_id, $priority, $changefreq, $mod_rewrite) {
$c_date = date('Y-m-d');
$site_data = file_get_contents("sitemap.xml");
$site_data = str_replace("</urlset>", "", $site_data);
// which protocol are we on
$protocol = paste_protocol();
if ($mod_rewrite == "1") {
$server_name = $protocol . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . "/" . $paste_id;
} else {
$server_name = $protocol . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . "/paste.php?id=" . $paste_id;
}
$c_sitemap =
' <url>
<loc>' . $server_name . '</loc>
<priority>' . $priority . '</priority>
<changefreq>' . $changefreq . '</changefreq>
<lastmod>' . $c_date . '</lastmod>
</url>
</urlset>';
$full_map = $site_data . $c_sitemap;
file_put_contents("sitemap.xml", $full_map);
}
function paste_protocol() : string {
return (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] == "on") ? 'https://' : 'http://';
}
function is_banned(PDO $conn, string $ip) : bool {
$query = $conn->prepare('SELECT 1 FROM ban_user WHERE ip = ?');
$query->execute([$ip]);
return (bool) $query->fetch();
}
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