163 lines
4.0 KiB
PHP
163 lines
4.0 KiB
PHP
<?php
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class Image {
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var $id = null;
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var $height, $width;
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var $hash, $filesize;
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var $filename, $ext;
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public function Image($a=false, $b=false, $c=false) {
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if($b == false && $c == false) {
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$this->create_from_row($a);
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}
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else {
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$this->create_from_data($a, $b, $c);
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}
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}
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private function create_from_row($row) {
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$this->id = $row['id'];
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$this->owner_id = $row['owner_id'];
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$this->filename = $row['filename'];
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$this->filesize = $row['filesize'];
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$this->hash = $row['hash'];
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$this->ext = $row['ext'];
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$this->width = $row['width'];
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$this->height = $row['height'];
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}
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private function mime_to_ext($mime) {
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switch($mime) {
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default:
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case 'image/jpeg': return "jpg"; break;
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case 'image/png': return "png"; break;
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case 'image/gif': return "gif"; break;
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}
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}
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private function create_from_data($tmp, $filename, $tags) {
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global $config;
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$this->ok = false;
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$info = "";
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if(!file_exists($tmp)) return;
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if(filesize($tmp) > $config->get_int('upload_size')) return;
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if(!($info = getimagesize($tmp))) return;
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$this->width = $info[0];
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$this->height = $info[1];
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$this->mime_type = $info['mime'];
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$this->filename = str_replace("/", "_", $filename); // is this even possible?
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$this->filesize = filesize($tmp);
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$this->ext = $this->mime_to_ext($info['mime']);
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$this->hash = md5_file($tmp);
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$this->temp_filename = $tmp;
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$this->tag_array = tag_explode($tags);
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$this->ok = true;
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}
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public function is_ok() {
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return $this->ok;
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}
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public function get_owner() {
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global $database;
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return $database->get_user($this->owner_id);
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}
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public function get_tag_array() {
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if(!isset($this->tag_array)) {
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global $database;
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$this->tag_array = Array();
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$row = $database->db->Execute("SELECT * FROM tags WHERE image_id=?", array($this->id));
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while(!$row->EOF) {
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$this->tag_array[] = $row->fields['tag'];
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$row->MoveNext();
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}
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}
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return $this->tag_array;
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}
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public function get_tag_list() {
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return implode(' ', $this->get_tag_array());
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}
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public function get_image_link() {
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global $config;
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return $this->parse_link_template($config->get_string('image_ilink'), $this);
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}
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public function get_short_link() {
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global $config;
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return $this->parse_link_template($config->get_string('image_slink'), $this);
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}
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public function get_thumb_link() {
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global $config;
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return $this->parse_link_template($config->get_string('image_tlink'), $this);
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}
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public function get_tooltip() {
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global $config;
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return $this->parse_link_template($config->get_string('image_tip'), $this);
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}
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public function get_image_filename() {
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global $config;
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$hash = $this->hash;
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$ab = substr($hash, 0, 2);
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$ext = $this->ext;
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return "images/$ab/$hash";
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}
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public function get_thumb_filename() {
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global $config;
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$hash = $this->hash;
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$ab = substr($hash, 0, 2);
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return "thumbs/$ab/$hash";
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}
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public function get_filename() {
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return $this->filename;
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}
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public function get_mime_type() {
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return "image/".($this->ext);
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}
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public function get_ext() {
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return $this->ext;
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}
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private function parse_link_template($tmpl, $img) {
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global $config;
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// don't bother hitting the database if it won't be used...
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$safe_tags = "";
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if(strpos($tmpl, '$tags') !== false) { // * stabs dynamically typed languages with a rusty spoon *
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$safe_tags = preg_replace(
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"/[^a-zA-Z0-9_\- ]/",
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"", $img->get_tag_list());
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}
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$base_href = $config->get_string('base_href');
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$fname = $img->get_filename();
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$base_fname = strpos($fname, '.') ? substr($fname, 0, strrpos($fname, '.')) : $fname;
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$tmpl = str_replace('$id', $img->id, $tmpl);
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$tmpl = str_replace('$hash', $img->hash, $tmpl);
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$tmpl = str_replace('$tags', $safe_tags, $tmpl);
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$tmpl = str_replace('$base', $base_href, $tmpl);
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$tmpl = str_replace('$ext', $img->ext, $tmpl);
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$tmpl = str_replace('$size', "{$img->width}x{$img->height}", $tmpl);
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$tmpl = str_replace('$filesize', to_shorthand_int($img->filesize), $tmpl);
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$tmpl = str_replace('$filename', $base_fname, $tmpl);
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return $tmpl;
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}
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}
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?>
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