* @copyright Copyright (c) 2008, Picturesurf.org */ class PicturesurfGallery { var $version = "1.2"; var $wpdb; var $includesDir; var $viewsDir; var $dataDir; var $uploadDir; var $backupDir; var $pluginUrl; var $actionsClass; var $thumbModes = array('ST' , 'SQ'); //Warning! First should be the grid thumbnail mode! var $settings; /* * Gallery plugin constructor class * * @author Denis Zenkovich */ function PicturesurfGallery () { /* in case of slow connections attempt to extend script time for copy function in PicturesurfGalleryActions->registerImage will not work for safe_mode=on though */ set_time_limit(120); ini_set('pcre.backtrack_limit', 10000000); ini_set('allow_url_fopen', 1); global $wpdb, $wp_the_query; $this->wpdb = &$wpdb; $this->includesDir = dirname(__FILE__) . "/includes/"; $this->viewsDir = dirname(__FILE__) . "/views/"; $this->blogUrl = get_option('siteurl'); $dir = array_pop(explode('/wp-content/', str_replace('\\', '/', dirname(__FILE__)))); $this->pluginUrl = get_option('siteurl') . '/wp-content/' . $dir . '/'; $this->dataDir = dirname(__FILE__) . "/data/"; require_once ($this->includesDir . 'GalleryActions.php'); require_once ($this->includesDir . 'config.php'); require_once($this->includesDir . 'json.php'); //fill in settings $sets = get_option('GallerySettings'); if(is_array($sets)) { $sets = array_pop($sets); } if($sets) { $this->settings = unserialize($sets); } else { $this->settings = array( 'IsImagePages' => LOCAL_IMAGEPAGES, 'SaveMode' => LOCAL_SAVE_MODE, 'SaveUploadsFolder' => LOCAL_SAVE_IMG_FOLDER, 'IsShowEmail' => LOCAL_SHOW_EMAIL_SHARE, 'IsShowFaceB' => LOCAL_SHOW_FACEB_SHARE ); } if($this->settings['SaveMode']=='WP') { $uploadPath = wp_upload_dir(); $this->dataDir = $uploadPath['basedir'] . '/' . $this->settings['SaveUploadsFolder'] . '/'; } if(!strstr($_SERVER['REQUEST_URI'], '/wp-admin/admin-ajax.php')) { if(!is_dir($this->dataDir)) { $message = 'Oops! Our plugin cannot find the folder that holds your gallery images.'; $message.= '

Please verify that this folder exists:

'; $message.= '

' . $this->dataDir . '

'; $this->error($message); return; } $testfile = $this->dataDir.'test1.txt'; $fp = @fopen($testfile, 'w'); if(!$fp) { $message = 'Oops! A permission setting is preventing our plugin from putting images into the gallery folder.'; $message.= '

Please enable write access for this folder:

'; $message.= '

' . $this->dataDir . '

Please verify that this folder exists:

'; $message.= '

' . $this->backupDir . '

'; $this->error($message); return; } } $testfile = $this->backupDir.'test2.txt'; $fp = @fopen($testfile, 'w'); if(!$fp) { $message = 'Oops! A permission setting is preventing our plugin from backing up your gallery data.'; $message.= '

Please enable write access for this folder:

'; $message.= '

' . $this->backupDir . '

'; $message.= '...or let your server administrator resolve this issue by sending them the following message:'; $mail = 'Hello,

' . 'Please enable write access for the folder:
' . $this->backupDir . '

' . 'I need this setting changed in order to run a WordPress plugin for creating image galleries.

' . 'Thanks!'; $this->error($message, $mail); return; } fclose($fp); @unlink($testfile); } $this->actionsClass = new PicturesurfGalleryActions($this); add_action('init', array($this , 'updateRewriter')); add_action('admin_menu', array($this , 'addCreatePanel')); add_action('edit_post', array($this , 'clearSessionAddMeta')); add_action('save_post', array($this , 'clearSessionAddMeta')); add_action('publish_post', array($this , 'clearSessionAddMeta')); add_filter('the_posts', array($this , 'replaceWithImage')); add_filter('the_excerpt_rss', array($this , 'embedGallery')); add_filter('the_excerpt', array($this , 'embedGallery')); add_filter('the_content', array($this , 'embedGallery')); //assigning ajax actions for gallery create add_action('wp_ajax_saveSession', array($this->actionsClass , 'saveSession')); add_action('wp_ajax_saveDefaults', array($this->actionsClass , 'saveDefaults')); add_action('wp_ajax_saveGallery', array($this->actionsClass , 'saveGallery')); add_action('wp_ajax_PSapiProxy', array($this->actionsClass , 'apiProxy')); add_action('wp_ajax_registerImage', array($this->actionsClass , 'registerImage')); add_action('wp_ajax_loadOriginal', array($this->actionsClass , 'loadOriginal')); add_action('wp_ajax_deleteImage', array($this->actionsClass , 'deleteImage')); add_action('wp_ajax_saveGallery', array($this->actionsClass , 'saveGallery')); add_action('wp_ajax_saveGalleryFile', array($this->actionsClass , 'saveGalleryFile')); add_action('wp_ajax_saveSettings', array($this->actionsClass , 'saveSettings')); register_activation_hook(__FILE__, array($this , 'install')); register_deactivation_hook(__FILE__, array($this , 'uninstall')); } /* * install plugin DB tables and etcs on activation * * @author Denis Zenkovich */ function install () { $this->patch(); //creating galleries table $tblName = $this->wpdb->prefix . "psgalleries"; if ($this->wpdb->get_var("SHOW TABLES LIKE '$tblName'") != $tblName) { $sql = 'CREATE TABLE `' . $tblName . '` ( `id` int(11) NOT NULL auto_increment, `ps_id` int(11) NOT NULL, `code` varchar(100) default NULL, PRIMARY KEY (`id`), INDEX (`ps_id`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8;'; $this->wpdb->query($sql); } //creating imagepages table $tblName = $this->wpdb->prefix . "psimagepages"; if ($this->wpdb->get_var("SHOW TABLES LIKE '$tblName'") != $tblName) { $sql = 'CREATE TABLE `' . $tblName . '` ( `ps_id` int(11) NOT NULL, `sequence` int(6) NOT NULL, `title` varchar(100) default NULL, `description` text default NULL, `preview_url` text default NULL, `views` int(11) default 0, INDEX (`ps_id`), INDEX (`sequence`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8;'; $this->wpdb->query($sql); } delete_option("GalleryVersion"); add_option("GalleryVersion", $this->version); } /* * patch previous version of plugin, or data left from it to current one * * @author Denis Zenkovich */ function patch () { $oldVer = get_option("GalleryVersion"); if ($oldVer == '1.0') //Deprecated, we shouldn't have any user having this one { $this->wpdb->query('DROP TABLE ' . $this->wpdb->prefix . 'psgalleries;'); } } /* * show initialization error message in formatted div * * @author Denis Zenkovich */ function error($message, $mail = null) { echo '

' . '

' . $message . '

' . ($mail?'

' . $mail . '

':'') . '

Still need help? Post on our support forum or ' . 'contact us directly so we can help you resolve the issue quickly ;)

' . '

'; } /* * clean up plugin DB tables and etcs on deactivation * * @author Denis Zenkovich */ function uninstall () { //TODO should we drop psgalleries table? Galleries will be lost } /* * Add image-page into url parameters * * @author Denis Zenkovich */ function updateRewriter () { global $wp_rewrite; $wp_rewrite->add_endpoint('image-page', EP_PERMALINK); //TODO code so that rules are not flushed each time $wp_rewrite->flush_rules(); } /* * add Gallery panel into WP admin action hooks * * @author Denis Zenkovich */ function addCreatePanel ($a) { if (function_exists('add_meta_box')) // 2.5 style { $head = 'Picturesurf Gallery: Add an image gallery to your blog post in seconds'; add_meta_box('gallerydiv', $head, array($this , 'drawCreatePanel'), 'post', 'normal'); //add_meta_box('gallerydiv', $head, array($this , 'drawCreatePanel'), 'page', 'normal'); } else //TODO // 2.3 { //add_action('dbx_post_normal', array($this, 'drawCreatePanel')); //add_action('dbx_page_normal', array($this, 'drawCreatePanel')); } } /* * draw preview block, draw create iframe, check for existing post's Gallery, * load it's data or clear session of previous post * * @author Denis Zenkovich */ function drawCreatePanel () { session_start(); $JSON = new PSGalleryServicesJSON(); $matches = array(); preg_match('@gid: ..(\d*)..@', $_SESSION['GalleryDataString'], $matches); $gidS = $matches[1]; global $post; if ($post && $post->ID) { $meta = get_post_meta($post->ID, '_Gallery'); if (is_array($meta) && count($meta) > 0) { $gidP = array_pop($meta); if ($gidS != $gidP) { $row = $this->wpdb->get_row("SELECT code FROM " . $this->wpdb->prefix . "psgalleries WHERE ps_id = '" . $gidP . "';"); $data_filename = $row->code . '.json'; $data = @file_get_contents(PICTURESURF_URL_GAL_DATA . $data_filename); //avoid warning if no file $_SESSION['GalleryDataString'] = ($data ? $data : ''); } } } else if ($gidS > 0) { $row = $this->wpdb->get_row('SELECT post_id FROM ' . $this->wpdb->prefix . "postmeta WHERE meta_key = '_Gallery' AND meta_value = '" . $gidS . "';"); if ($row && $row->post_id > 0) { $_SESSION['GalleryDataString'] = ''; } } $_SESSION['GalleryDefaults'] = get_option("GalleryDefaults"); $_SESSION['GallerySettingsJSON'] = $JSON->encode($this->settings); $path = $this->pluginUrl; if(!@file_get_contents(PICTURESURF_URL_GAL . 'ig_logreg_html.php')) { $message = 'Oops! A server configuration is preventing you from creating an image gallery.'; if(!ini_get('allow_url_fopen')) { $message.= '

To fix this problem, turn on the PHP configuration option "allow_url_fopen" in the server settings file "php.ini" '; $message.= 'or let your server administrator resolve this issue by sending them the following message:

'; $mail = 'Hello,

' . 'Please turn on the PHP configuration option "allow_url_fopen" in the server settings file "php.ini"

' . 'I need this setting changed in order to run a WordPress plugin for creating image galleries.

' . 'Thanks!'; } else { $message.= '

To fix this problem, verify that the PHP function "file_get_contents" is able to load external URLs or let your '; $message.= 'server administrator resolve this issue by sending them the following message:

'; $mail = 'Hello,

' . 'Please verify that the PHP function "file_get_contents" is able to load external URLs.

' . 'I need this setting changed in order to run a WordPress plugin for creating image galleries.

' . 'Thanks!'; } $this->error($message, $mail); return; } echo ''; require ($this->viewsDir . 'gallery_preview.php'); echo ''; //IE6 WP page size fix echo ''; } /* * clear Gallery session and add record in post meta when user saves the post where Gallery is inserted * * @param $newId * @author Denis Zenkovich */ function clearSessionAddMeta ($newId) { session_start(); global $post; $mainId = $_POST["ID"] ? $_POST["ID"] : $post->ID; $matches = array(); preg_match('@gid:\s*..(\d*)..@s', $_SESSION['GalleryDataString'], $matches); $gid = $matches[1]; if ($mainId && $gid) { add_post_meta($mainId, '_Gallery', $gid, true) ? "" : update_post_meta($mainId, '_Gallery', $gid); if ($newId) { add_post_meta($newId, '_Gallery', $gid, true) ? "" : update_post_meta($newId, '_Gallery', $gid); } } } /* * find [myGallery/Gallery=id] embed codes and substitute those with real widget embed * * @param $content * @author Denis Zenkovich */ function embedGallery ($content) { global $wp_the_query; $matches = array(); preg_match_all('@\[PSGallery=([^\]]+)\]?@', $content, $matches, PREG_SET_ORDER); $patterns = array(); $replacements = array(); foreach ($matches as $Gallery) { list ($tag, $code) = $Gallery; if (isset($code)) { $embed = $this->_getGalleryEmbed($code, $wp_the_query->is_feed); if (isset($embed)) { $patterns[] = $tag; $replacements[] = $embed; } } } $content = str_replace($patterns, $replacements, $content); return $content; } /* * output embed code for Galleries that reside on Picturesurf.org * * @param $code * @author Denis Zenkovich */ function _getGalleryEmbed ($code, $is_feed = false) { $JSON = new PSGalleryServicesJSON(); if(@file_get_contents(PICTURESURF_URL_GAL . 'ig_logreg_html.php')) { $datastr = file_get_contents(PICTURESURF_URL_GAL_DATA . $code . '.json'); } else { $datastr = file_get_contents($this->backupDir . $code . '.json'); return $this->_getGalleryInHTML($datastr); } if ($is_feed) { return $this->_getGalleryInHTML($datastr); } $row = $this->wpdb->get_row('SELECT ps_id FROM ' . $this->wpdb->prefix . 'psgalleries WHERE code="' . $code . '";'); $row = $this->wpdb->get_row('SELECT * FROM ' . $this->wpdb->prefix . "postmeta WHERE meta_key='_Gallery' AND meta_value='" . $row->ps_id . "';"); if ($row && $row->post_id > 0) { global $wp_rewrite; $postUrl = get_permalink($row->post_id); $prefSlash = (substr($postUrl, -1) != '/'?'/':''); $pageAdd = $wp_rewrite->permalink_structure ? $prefSlash . 'image-page/' : (strstr($postUrl, '?') ? '&' : '?') . 'image-page='; $html = ''; } $html .= ''; $html .= ''; $html .= ''; $linkt = 'Free Photo Gallery'; $post= 'by Picturesurf'; $host = $_SERVER['HTTP_HOST']; if(strstr($host, 'techcrunch.com') || strstr($host, 'crunchgear.com') || strstr($host, 'mobilecrunch.com')) { $linkt = 'Photo Gallery'; $post= 'by Picturesurf'; } $lnkhtml = '' . $linkt . ' '; $html .= '

' . $lnkhtml . $post . '

'; return $html; } /* * if this is an image post - adds return back to post link * * @param $content * @author Denis Zenkovich */ function replaceWithImage ($posts) { global $wp_query; if(!is_array($wp_query->query)) { return $posts; } $imgNum = $wp_query->query['image-page']; if (! $imgNum) //skip if not image page { $url = $_SERVER['REQUEST_URI']; if(strstr($url, 'image-page')) { $redirect = preg_replace('@image-page[/]@', '', $url); header('Location: ' . $redirect); exit(); } return $posts; } if (count($posts) != 1) //skip if not single post { return $posts; } $post = $posts[0]; $pMeta = get_post_meta($post->ID, '_Gallery'); $galId = $pMeta?array_pop(array_unique($pMeta)):null; if (! $galId) { return; } $res = $this->wpdb->get_results('SELECT * FROM ' . $this->wpdb->prefix . 'psimagepages AS IP LEFT JOIN ' . $this->wpdb->prefix . 'psgalleries AS G ON G.ps_id = IP.ps_id WHERE IP.ps_id = "' . $galId . '" ORDER BY IP.sequence;', ARRAY_A); if (! $res || ! count($res)) { return; } global $wp_rewrite; $data['post_url'] = get_permalink($post->ID); $imageUrlSuf = ($wp_rewrite->permalink_structure ? 'image-page/' : (strstr($data['post_url'], '?') ? '&' : '?') . 'image-page='); $imgFound = false; $isNext = false; $isPrev = false; $NextUrl = '#'; $PrevUrl = '#'; $ImageClickUrl = '#'; $IsEmail = $this->settings['IsShowEmail']; $IsFaceB = $this->settings['IsShowFaceB']; foreach ($res as $row) { if ($row['sequence'] == $imgNum - 1) { $isPrev = true; $PrevUrl = $data['post_url'] . $imageUrlSuf . $row['sequence']; } if ($row['sequence'] == ($imgNum + 1)) { $isNext = true; $NextUrl = $data['post_url'] . $imageUrlSuf . $row['sequence']; $ImageClickUrl = $data['post_url'] . $imageUrlSuf . $row['sequence']; } if ($row['sequence'] == $imgNum) { $data = array_merge($data, $row); $imgFound = true; } } if ($isPrev && !$isNext) { $ImageClickUrl = $data['post_url'] . $imageUrlSuf . '1'; } if (! $imgFound) { return; } list ($data['width'], $data['height']) = @getimagesize($data['preview_url']); $data['orig_url'] = str_replace('custom_', '', $data['preview_url']); list ($data['orig_w'], $data['orig_h']) = @getimagesize($data['orig_url']); $data['total'] = count($res); $data['self_url'] = $data['post_url'] . $imageUrlSuf . $data['sequence']; $data['token'] = array_shift(explode('.', array_pop(explode('-', $data['orig_url'])))); ob_start(); include ($this->viewsDir . 'gallery_image.php'); $post->post_content = preg_replace("@[\r\n\t]@s", "", ob_get_clean()); $post->custom_css_href = PICTURESURF_URL_GAL_WIDGET . 'igw_css.php?gallery=' . $data["code"] . '&divid=' . $data['code'] . '0;'; $posts[0] = $post; add_action('the_content', array($this , '_addImagePageCSS')); return $posts; } /* * hack into WP $query object to allow displaying image posts with type "GalleryImage" * * @author Denis Zenkovich */ function _addImagePageCSS ($content) { global $post; if(@file_get_contents(PICTURESURF_URL_GAL . 'ig_logreg_html.php')) { $cssPath = PICTURESURF_URL_GAL . 'css/gallery-image.css'; } else { $cssPath = $this->pluginUrl . 'views/gallery-image.css'; } $precont = ''; return $precont . $content; } /* * find [myGallery/Gallery=id] embed codes and substitute those with real widget images specificaly for feeds * * @param $content * @author Denis Zenkovich */ function _getGalleryInHTML ($datastr, $PS = false) { ob_start(); global $wp_rewrite, $post; $json = new PSGalleryServicesJSON(); $posturl = get_permalink($post->ID); $imageUrlSuf = ($wp_rewrite->permalink_structure ? 'image-page/' : (strstr($posturl, '?') ? '&' : '?') . 'image-page='); $datastr = stripcslashes(urldecode(str_replace("Gallery = ", "", $datastr))); $data = $json->decode($datastr); foreach ($data->ims as $key => $image) { //get first available thumb from the list defined on top (should be SQ) foreach ($this->thumbModes as $mode) { if($image->thumbnails->{$mode}) { $image->thumbnail = ($image->thumbnails->{$mode}); break; } } $image->href = $posturl . $imageUrlSuf . ($key+1); if($PS) { $ImageUrl = PICTURESURF_URL_IMG . array_pop(explode('/', str_replace($mode . '_', '', $image->thumbnail))); $image->thumbnail = $ImageUrl; $image->href = $ImageUrl; } $data->ims[$key] == $image; } include ($this->viewsDir . 'gallery_feed.php'); return ob_get_clean(); } }