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displayimage.php
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<?php
/**
* Coppermine Photo Gallery
*
* v1.0 originally written by Gregory Demar
*
* @copyright Copyright (c) 2003-2021 Coppermine Dev Team
* @license GNU General Public License version 3 or later; see LICENSE
*
* displayimage.php
* @since 1.6.15
*/
define('IN_COPPERMINE', true);
define('DISPLAYIMAGE_PHP', true);
define('SMILIES_PHP', true);
define('INDEX_PHP', true);
require('include/init.inc.php');
if (!USER_ID && ($CONFIG['allow_unlogged_access'] <= 1)) {
$redirect = 'login.php';
if ($matches = $superCage->server->getMatched('QUERY_STRING', '/^[a-zA-Z0-9&=_\/.-]+$/')) {
$redirect .= '?force_login=1&referer='.urlencode('displayimage.php?'.$matches[0]);
}
header("Location: $redirect");
exit();
}
if (USER_ID && (USER_ACCESS_LEVEL <= 1)) {
cpg_die(ERROR, ((USER_ACCESS_LEVEL == 1) ? $lang_errors['access_thumbnail_only'] : $lang_errors['access_none']), __FILE__, __LINE__);
}
if (!$superCage->get->keyExists('slideshow')) {
js_include('js/displayimage.js');
}
if ($CONFIG['enable_smilies']) {
include("include/smilies.inc.php");
}
$breadcrumb = '';
$breadcrumb_text = '';
$cat_data = array();
if ($CONFIG['read_exif_data']) {
include("include/exif_php.inc.php");
}
if ($CONFIG['read_iptc_data']) {
include("include/iptc.inc.php");
}
/**
* Local functions definition
*/
// Sanitize the data - to fix the XSS vulnerability - Aditya
function sanitize_data(&$value, $key)
{
if (is_array($value)) {
array_walk($value, 'sanitize_data');
} else {
// sanitize against sql/html injection; trim any nongraphical non-ASCII character:
$value = trim(htmlentities(strip_tags(trim($value, "\x7f..\xff\x0..\x1f")), ENT_QUOTES));
}
}
function html_picture_menu()
{
global $lang_display_image_php, $CURRENT_PIC_DATA, $CURRENT_ALBUM_DATA, $CONFIG;
if ((USER_ADMIN_MODE && $CURRENT_ALBUM_DATA['category'] == FIRST_USER_CAT + USER_ID) || ($CONFIG['users_can_edit_pics'] && $CURRENT_PIC_DATA['owner_id'] == USER_ID && USER_ID != 0) || GALLERY_ADMIN_MODE) {
$delete_icon = cpg_fetch_icon('delete', 1);
$edit_icon = cpg_fetch_icon('edit', 1);
$rotate_icon = cpg_fetch_icon('rotate_ccw', 1);
list($timestamp, $form_token) = getFormToken();
$picmenu = <<< EOT
<div class="buttonlist align_right">
<ul>
<li><a href="javascript:;" onclick="return MM_openBrWindow('pic_editor.php?id={$CURRENT_PIC_DATA['pid']}','Crop_Picture','scrollbars=yes,toolbar=no,status=yes,resizable=yes')"><span>{$rotate_icon}{$lang_display_image_php['crop_pic']}</span></a></li>
<li><a href="edit_one_pic.php?id={$CURRENT_PIC_DATA['pid']}&what=picture"><span>{$edit_icon}{$lang_display_image_php['edit_pic']}</span></a></li>
<li><a href="delete.php?id={$CURRENT_PIC_DATA['pid']}&what=picture&form_token={$form_token}&timestamp={$timestamp}" onclick="return confirm('{$lang_display_image_php['confirm_del']}'); return false; "><span class="last">{$delete_icon}{$lang_display_image_php['del_pic']}</span></a></li>
</ul>
</div>
EOT;
} else {
$picmenu = '';
}
return $picmenu;
}
// Display picture information
function html_picinfo()
{
global $CONFIG, $CURRENT_PIC_DATA, $CURRENT_ALBUM_DATA, $THEME_DIR, $FAVPICS, $REFERER, $CPG_PHP_SELF;
global $album, $lang_picinfo, $lang_display_image_php, $lang_byte_units, $lang_common, $lang_date, $cpg_udb;
if ($CURRENT_PIC_DATA['owner_id']) {
$owner_link = '<a href="profile.php?uid=' . $CURRENT_PIC_DATA['owner_id'] . '">' . $cpg_udb->get_user_name($CURRENT_PIC_DATA['owner_id']) . '</a> ';
} else {
$owner_link = '';
}
if (GALLERY_ADMIN_MODE && $CURRENT_PIC_DATA['pic_raw_ip']) {
if ($CURRENT_PIC_DATA['pic_hdr_ip']) {
$ipinfo = ' (' . $CURRENT_PIC_DATA['pic_hdr_ip'] . '[' . $CURRENT_PIC_DATA['pic_raw_ip'] . ']) / ';
} else {
$ipinfo = ' (' . $CURRENT_PIC_DATA['pic_raw_ip'] . ') / ';
}
} else {
if ($owner_link) {
$ipinfo = '/ ';
} else {
$ipinfo = '';
}
}
$info[$lang_common['filename']] = htmlspecialchars($CURRENT_PIC_DATA['filename']);
$info[$lang_picinfo['Album name']] = '<span class="alblink">' . $owner_link . $ipinfo . '<a href="thumbnails.php?album=' . $CURRENT_PIC_DATA['aid'] . '">' . $CURRENT_ALBUM_DATA['title'] . '</a></span>';
$votedetailsunhidetoggle_onload_added = false;
if ($CURRENT_PIC_DATA['votes'] > 0) {
if (defined('THEME_HAS_RATING_GRAPHICS')) {
$prefix = $THEME_DIR;
} else {
$prefix = '';
}
if (GALLERY_ADMIN_MODE) {
$width = 800;
$height = 700;
} else {
$width = 400;
$height = 250;
}
if ($CONFIG['vote_details'] == 1) {
$stat_link = "stat_details.php?type=vote&pid={$CURRENT_PIC_DATA['pid']}&sort=sdate&dir=&sdate=1&ip=1&rating=1&referer=0&browser=0&os=0&uid=1";
$detailsLink_votes = '(<a href="' . $stat_link . '" class="greybox">' . $lang_picinfo['show_details'] . '</a>)';
} else {
$detailsLink_votes = '';
}
//calculate required amount of stars in picinfo
$i = 1;
$rating = round(($CURRENT_PIC_DATA['pic_rating'] / 2000) / (5 / $CONFIG['rating_stars_amount']));
$rating_images = '';
while ($i <= $CONFIG['rating_stars_amount']) {
if ($i <= $rating) {
$rating_images .= '<img src="' . $prefix . 'images/rate_full.png" align="left" alt="' . $rating . '"/>';
} else {
$rating_images .= '<img src="' . $prefix . 'images/rate_empty.png" align="left" alt="' . $rating . '"/>';
}
$i++;
}
$info[sprintf($lang_picinfo['Rating'], $CURRENT_PIC_DATA['votes'])] = $rating_images . $detailsLink_votes;
}
if ($CURRENT_PIC_DATA['keywords'] != '') {
$keyword_links = array();
foreach (explode($CONFIG['keyword_separator'], html_entity_decode($CURRENT_PIC_DATA['keywords'])) as $keyword) {
$keyword_links[] = '<a href="thumbnails.php?album=search&keywords=on&search=' . urlencode($keyword) . '">' . htmlspecialchars($keyword) . '</a>';
}
$info[$lang_common['keywords']] = '<span class="alblink">' . implode(' / ', $keyword_links) . '</span>';
}
for ($i = 1; $i <= 4; $i++) {
if ($CONFIG['user_field' . $i . '_name']) {
if ($CURRENT_PIC_DATA['user' . $i] != "") {
$info[$CONFIG['user_field' . $i . '_name']] = make_clickable($CURRENT_PIC_DATA['user' . $i]);
}
}
}
$info[$lang_common['filesize']] = ($CURRENT_PIC_DATA['filesize'] > 10240 ? ($CURRENT_PIC_DATA['filesize'] >> 10) . ' ' . $lang_byte_units[1] : $CURRENT_PIC_DATA['filesize'] . ' ' . $lang_byte_units[0]);
$info[$lang_common['filesize']] = '<span dir="ltr">' . $info[$lang_common['filesize']] . '</span>';
$info[$lang_picinfo['Date Added']] = localised_date($CURRENT_PIC_DATA['ctime'], $lang_date['lastup']);
$info[$lang_picinfo['Dimensions']] = sprintf($lang_display_image_php['size'], $CURRENT_PIC_DATA['pwidth'], $CURRENT_PIC_DATA['pheight']);
$info[$lang_picinfo['Displayed']] = sprintf($lang_display_image_php['views'], $CURRENT_PIC_DATA['hits']);
if ($CURRENT_PIC_DATA['hits'] && $CONFIG['hit_details'] && GALLERY_ADMIN_MODE) {
$stat_link = "stat_details.php?type=hits&pid={$CURRENT_PIC_DATA['pid']}&sort=sdate&dir=&sdate=1&ip=1&search_phrase=0&referer=0&browser=1&os=1";
$info[$lang_picinfo['Displayed']] .= ' (<a href="' . $stat_link . '" class="greybox">' . $lang_picinfo['show_details'] . '</a>)';
}
$path_to_pic = $CONFIG['fullpath'] . $CURRENT_PIC_DATA['filepath'] . $CURRENT_PIC_DATA['filename'];
$path_to_orig_pic = $CONFIG['fullpath'] . $CURRENT_PIC_DATA['filepath'] . $CONFIG['orig_pfx'] . $CURRENT_PIC_DATA['filename'];
// Read the iptc and EXIF data from original pic (if watermarked)
$metadata_path = file_exists($path_to_orig_pic) ? $path_to_orig_pic : $path_to_pic;
if (is_image($CURRENT_PIC_DATA['filename'])) {
if ($CONFIG['read_exif_data']) {
$exif = exif_parse_file($metadata_path, $CURRENT_PIC_DATA['pid']);
if (is_array($exif)) {
array_walk($exif, 'sanitize_data');
$info = array_merge($info, $exif);
}
}
// Read the iptc data
if ($CONFIG['read_iptc_data']) {
$iptc = get_IPTC($metadata_path);
if (is_array($iptc)) {
array_walk($iptc, 'sanitize_data');
if (!empty($iptc['Title'])) {
$info[$lang_picinfo['iptcTitle']] = $iptc['Title'];
}
if (!empty($iptc['Copyright'])) {
$info[$lang_picinfo['iptcCopyright']] = $iptc['Copyright'];
}
if (!empty($iptc['Keywords'])) {
$info[$lang_picinfo['iptcKeywords']] = implode(' ', $iptc['Keywords']);
}
if (!empty($iptc['Category'])) {
$info[$lang_picinfo['iptcCategory']] = $iptc['Category'];
}
if (!empty($iptc['SubCategories'])) {
$info[$lang_picinfo['iptcSubCategories']] = implode(' ', $iptc['SubCategories']);
}
}
}
}
// Create the absolute URL for display in info
$info[$lang_picinfo['URL']] = '<a href="' . $CONFIG["ecards_more_pic_target"] . (substr($CONFIG["ecards_more_pic_target"], -1) == '/' ? '' : '/') .basename($CPG_PHP_SELF) . "?pid={$CURRENT_PIC_DATA['pid']}" . '" >' . $CONFIG["ecards_more_pic_target"] . (substr($CONFIG["ecards_more_pic_target"], -1) == '/' ? '' : '/') . basename($CPG_PHP_SELF) . "?pid={$CURRENT_PIC_DATA['pid']}" . '</a>';
// Create the add to fav link
$ref = $REFERER ? "&referer=$REFERER" : '';
if (!in_array($CURRENT_PIC_DATA['pid'], $FAVPICS)) {
$info[$lang_picinfo['addFavPhrase']] = "<a href=\"addfav.php?pid=" . $CURRENT_PIC_DATA['pid'] . $ref . "\" >" . $lang_picinfo['addFav'] . '</a>';
} else {
$info[$lang_picinfo['addFavPhrase']] = "<a href=\"addfav.php?pid=" . $CURRENT_PIC_DATA['pid'] . $ref . "\" >" . $lang_picinfo['remFav'] . '</a>';
}
/**
* Filter file information
*/
$info = CPGPluginAPI::filter('file_info', $info);
return theme_html_picinfo($info);
}
/** Main code */
$pos = $superCage->get->getInt('pos');
/** Hack added by tarique to prevent incorrect picture being seen on last view or last uploaded */
$pid = $superCage->get->getInt('pid');
$cat = $superCage->get->getInt('cat');
/** TODO: Add the code to handle date parameter */
//$date = $superCage->get->getInt('cat');
if ($superCage->get->testAlpha('album')) {
$album = $superCage->get->getAlpha('album');
} else {
$album = $superCage->get->getInt('album');
}
/** get ajax call to thumb photo slideshow*/
$ajax_show = $superCage->get->getInt('ajax_show');
/** get AJAX call to run filmstrip */
$ajax_call = $superCage->get->getInt('ajax_call');
// attempt to fix topn images for keyworded albums
if ($cat < 0) {
$result = cpg_db_query("SELECT category, title, aid, keyword, description, alb_password_hint FROM {$CONFIG['TABLE_ALBUMS']} WHERE aid='" . (- $cat) . "'");
if ($result->numRows() > 0) {
$CURRENT_ALBUM_DATA = $result->fetchAssoc();
$CURRENT_ALBUM_KEYWORD = $CURRENT_ALBUM_DATA['keyword'];
}
$result->free();
}
set_js_var('cookies_allowed', CPG_COOKIES_ALLOWED);
get_meta_album_set($cat);
if (!$superCage->get->keyExists('fullsize') && ($pos < 0 || $pid > 0)) {
$pid = ($pos < 0) ? -$pos : $pid;
if (!$album) {
$result = cpg_db_query("SELECT aid FROM {$CONFIG['TABLE_PICTURES']} AS p WHERE pid='$pid' $FORBIDDEN_SET LIMIT 1");
if ($result->numRows() == 0) {
// show password prompt if the file is in a password protected album and the user has access rights to that album
$aid = cpg_db_query("SELECT aid FROM {$CONFIG['TABLE_PICTURES']} WHERE pid='$pid' LIMIT 1")->result(0);
if (cpg_pw_protected_album_access($aid) === 1) {
$redirect = "thumbnails.php?album=".$aid;
header("Location: $redirect");
} else {
cpg_die(ERROR, $lang_errors['non_exist_ap'], __FILE__, __LINE__);
}
}
$row = $result->fetchAssoc(true);
}
$album = (!$album) ? $row['aid'] : $album;
// attempt to determine the position directly
$pos = get_pic_pos($album, $pid);
if ($pos === FALSE) {
$pic_data = get_pic_data($album, $pic_count, $album_name, -1, -1, false);
for ($pos = 0; $pic_data[$pos]['pid'] != $pid && $pos < $pic_count; $pos++);
reset($pic_data);
$CURRENT_PIC_DATA = $pic_data[$pos];
} else {
// load current pic details
$pic_data = get_pic_data($album, $pic_count, $album_name, $pos, 1, false);
$CURRENT_PIC_DATA = $pic_data[0];
// load prev, next, start and end for the navbar
if ($pos > 0) {
$prev = get_pic_data($album, $pic_count, $album_name, $pos - 1, 1, false, 'pidonly');
$pic_data[$pos - 1] = $prev[0];
}
if ($pos < ($pic_count -1)) {
$next = get_pic_data($album, $pic_count, $album_name, $pos + 1, 1, false, 'pidonly');
$pic_data[$pos + 1] = $next[0];
}
$start = get_pic_data($album, $pic_count, $album_name, 0, 1, false, 'pidonly');
$pic_data[0] = $start[0];
$end = get_pic_data($album, $pic_count, $album_name, $pic_count - 1, 1, false, 'pidonly');
$pic_data[$pic_count - 1] = $end[0];
}
} elseif (isset($pos) && is_numeric($pos)) {
//$pic_data = get_pic_data($album, $pic_count, $album_name, $pos, 1, false);
//We must get all the data here as well, otherwise the prev/next breaks.
$pic_data = get_pic_data($album, $pic_count, $album_name, -1, -1, false);
if ($pic_count == 0) {
cpg_die(INFORMATION, $lang_errors['no_img_to_display'], __FILE__, __LINE__);
} elseif (count($pic_data) == 0 && $pos >= $pic_count) {
$pos = $pic_count - 1;
$human_pos = $pos + 1;
$pic_data = get_pic_data($album, $pic_count, $album_name, $pos, 1, false);
}
$CURRENT_PIC_DATA = $pic_data[$pos];
}
if (!$superCage->get->keyExists('fullsize') && !$superCage->get->keyExists('ajax_show') && empty($CURRENT_PIC_DATA)) {
cpg_die(ERROR, $lang_errors['non_exist_ap'], __FILE__, __LINE__);
}
/** add the assign variable work with jSlideshow */
set_js_var('position', $pos);
set_js_var('album', $album);
set_js_var('cat', $cat);
set_js_var('count', empty($pic_count) ? 0 : $pic_count);
if ($superCage->get->keyExists('msg_id')) {
set_js_var('msg_id', $superCage->get->getInt('msg_id'));
set_js_var('page', $superCage->get->getInt('page'));
}
/** if slideshow is has a key or ajax_show has a key then run jquery.slideshow.js */
if ($superCage->get->keyExists('slideshow') || $superCage->get->keyExists('ajax_show')) {
js_include('js/jquery.slideshow.js');
}
/** If we have film_strip key in GET then it means this is an ajax call for filmstrip */
if ($superCage->get->keyExists('film_strip')) {
echo display_film_strip($album, (isset($cat) ? $cat : 0), $pos, true);
exit;
}
/** if there is value for ajax_show key in GET then it means this is an ajax call to display sideshow. */
if ($superCage->get->keyExists('ajax_show')) {
display_slideshow($pos, $ajax_show);
exit;
}
// Retrieve data for the current album
if (isset($CURRENT_PIC_DATA)) {
$ref_album = (is_numeric($album) ? $album : $CURRENT_PIC_DATA['aid']);
$result = cpg_db_query("SELECT title, comments, votes, category, aid FROM {$CONFIG['TABLE_ALBUMS']} WHERE aid='{$ref_album}' LIMIT 1");
if (!$result->numRows()) {
cpg_die(CRITICAL_ERROR, sprintf($lang_errors['pic_in_invalid_album'], $CURRENT_PIC_DATA['aid']), __FILE__, __LINE__);
}
$CURRENT_ALBUM_DATA = $result->fetchAssoc(true);
if (is_numeric($album)) {
$cat = - $album;
$actual_cat = $CURRENT_ALBUM_DATA['category'];
breadcrumb($actual_cat, $breadcrumb, $breadcrumb_text);
$cat = - $album;
} else {
$actual_cat = $CURRENT_ALBUM_DATA['category'];
breadcrumb($actual_cat, $breadcrumb, $breadcrumb_text);
}
}
if ($superCage->get->keyExists('fullsize')) {
$CURRENT_PIC_DATA = cpg_db_query("SELECT * FROM {$CONFIG['TABLE_PICTURES']} AS p " . "WHERE pid='$pid' $FORBIDDEN_SET")->fetchAssoc(true);
theme_display_fullsize_pic();
} elseif ($superCage->get->keyExists('slideshow')) {
$slideshow = $superCage->get->getInt('slideshow');
set_js_var('run_slideshow', 'true');
display_slideshow($pos);
} else {
if (!$pos && !$pid) {
cpg_die(ERROR, $lang_errors['non_exist_ap'], __FILE__, __LINE__);
}
$picture_title = $CURRENT_PIC_DATA['title'] ? $CURRENT_PIC_DATA['title'] : strtr(preg_replace("/(.+)\..*?\Z/", "\\1", htmlspecialchars($CURRENT_PIC_DATA['filename'])), "_", " ");
$nav_menu = theme_html_img_nav_menu();
$picture = theme_html_picture();
$votes = theme_html_rating_box();
$pic_info = html_picinfo();
$comments = theme_html_comments($CURRENT_PIC_DATA['pid']);
$meta_keywords = '';
if ($CURRENT_PIC_DATA['keywords']) {
$meta_keywords .= '<meta name="keywords" content="' . str_replace($CONFIG['keyword_separator'], ',', $CURRENT_PIC_DATA['keywords']) . '" />' . $LINEBREAK;
}
// Tell robots to ignore meta albums
if (!is_numeric($album)) {
$meta_keywords .= '<meta name="robots" content="noindex, nofollow" />' . $LINEBREAK;
}
$meta_keywords .= $meta_nav;
$film_strip = '';
if ($CONFIG['display_film_strip'] == 1) {
$film_strip = display_film_strip($album, (isset($cat) ? $cat : 0), $pos, true);
}
// Set the picture id for use in js
set_js_var('picture_id', $CURRENT_PIC_DATA['pid']);
pageheader($album_name . ' - ' . $picture_title, $meta_keywords, false);
// Display Breadcrumbs
if ($breadcrumb && strpos($CONFIG['main_page_layout'], 'breadcrumb') !== false) {
theme_display_breadcrumb($breadcrumb, $cat_data);
}
CPGPluginAPI::action('post_breadcrumb', null);
theme_display_image($nav_menu, $picture, $votes, $pic_info, $comments, $film_strip);
pagefooter();
}
//EOF