gviewer.php | searchcode

/wp-content/plugins/google-document-embedder/gviewer.php

https://gitlab.com/endomorphosis/jeffersonsmithmayor
PHP | 399 lines | 273 code | 50 blank | 76 comment | 87 complexity | 469c002821273a7abb51b23df4226da6 MD5 | raw file

<?php



/*

Plugin Name: Google Doc Embedder

Plugin URI: http://www.davistribe.org/gde/

Description: Lets you embed MS Office, PDF, TIFF, and many other file types in a web page using the Google Docs Viewer (no Flash or PDF browser plug-ins required).

Author: Kevin Davis

Author URI: http://www.davistribe.org/

Text Domain: gde

Domain Path: /languages/

Version: 2.4.6

License: GPLv2

*/



$gde_ver = "2.4.6.98";



/**

 * LICENSE

 * This file is part of Google Doc Embedder.

 *

 * Google Doc Embedder 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 2

 * 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 for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 *

 * @package    google-document-embedder

 * @author     Kevin Davis <wpp@tnw.org>

 * @copyright  Copyright 2012 Kevin Davis

 * @license    http://www.gnu.org/licenses/gpl.txt GPL 2.0

 * @link       http://www.davistribe.org/gde/

 */



if ( ! defined( 'GDE_PLUGIN_DIR' ) )

    define( 'GDE_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );

if ( ! defined( 'GDE_PLUGIN_URL' ) )

    define( 'GDE_PLUGIN_URL', plugin_dir_url( __FILE__ ) );



include_once('gde-functions.php');

$gdeoptions = get_option('gde_options');

$pUrl = plugins_url(plugin_basename(dirname(__FILE__)));

$support_link = '<a href="options-general.php?page=gviewer.php&debug=1">'.__('Support', 'gde').'</a>';



// note: updates here should also be reflected in js/dialog.js

$supported_exts = array(

	// ext		=>	mime_type

	"ai"		=>	"application/postscript",

	"doc"		=>	"application/msword",

	"docx"		=>	"application/vnd.openxmlformats-officedocument.wordprocessingml",

	"dxf"		=>	"application/dxf",

	"eps"		=>	"application/postscript",

	"otf"		=>	"font/opentype",

	"pages"		=>	"application/x-iwork-pages-sffpages",

	"pdf"		=>	"application/pdf",

	"pps"		=>	"application/vnd.ms-powerpoint",

	"ppt"		=>	"application/vnd.ms-powerpoint",

	"pptx"		=>	"application/vnd.openxmlformats-officedocument.presentationml",

	"ps"		=>	"application/postscript",

	"psd"		=>	"image/photoshop",

	"rar"		=>	"application/rar",

	"svg"		=>	"image/svg+xml",

	"tif"		=>	"image/tiff",

	"tiff"		=>	"image/tiff",

	"ttf"		=>	"application/x-font-ttf",

	"xls"		=>	"application/vnd.ms-excel",

	"xlsx"		=>	"application/vnd.openxmlformats-officedocument.spreadsheetml",

	"xps"		=>	"application/vnd.ms-xpsdocument",

	"zip"		=>	"application/zip"

);

$allowed_exts = implode("|",array_keys($supported_exts));



// basic usage: [gview file="http://path.to/file.pdf"]

function gde_gviewer_func($atts) {

	

	// current settings

	global $gdeoptions, $pUrl, $user_ID;

	

	extract(shortcode_atts(array(

		'file' => '',

		//'display' => $gdeoptions['default_display'],

		'save' => $gdeoptions['show_dl'],

		'width' => '',

		'height' => '',

		'lang' => $gdeoptions['default_lang'],

		'force' => $gdeoptions['bypass_check'],

		'cache' => $gdeoptions['disable_caching'],

		'authonly' => $gdeoptions['restrict_dl'],

		'theme' => ''

	), $atts));

	

	// add base url if needed

	if (!preg_match("/^http/i",$file) && $gdeoptions['base_url']) {

		// deal with potential slash issues

		if (!preg_match("/\/$/", $gdeoptions['base_url'])) {

			$gdeoptions['base_url'] = $gdeoptions['base_url']."/";

		}

		if (preg_match("/^\//", $file)) {

			$file = $file = substr($file, 1);

		}

		$file = $gdeoptions['base_url'].$file;

	}

	

	// set or clean up dimension values

	$width = str_replace("px", "", trim($width));

	if (!$width || !preg_match("/^\d+%?$/", $width)) {

		$width = $gdeoptions['default_width'];

		if ($gdeoptions['width_type'] == "pc") {

			$width .= "%";

		}

	}

	if (!strpos($width, "%")) {

		$width .= "px";

	}

	

	$height = str_replace("px", "", trim($height));

	if (!$height || !preg_match("/^\d+%?$/", $height)) {

		$height = $gdeoptions['default_height'];

		if ($gdeoptions['height_type'] == "pc") {

			$height .= "%";

		}

	}

	if (!strpos($height, "%")) {

		$height .= "px";

	}

	

	// translate filenames with spaces (prevent break in file size check, URL check, and mask url option)

	$fn = basename($file);

	$fnp = gde_splitFilename($fn);

	$file = str_replace(" ", "%20", $file); // urlencode and rawurlencode don't reliably work here

	

	// check link for validity

	$status = gde_validTests($file, $force);

	if ($status && !is_array($status)) {

		if (($gdeoptions['disable_hideerrors'] == "no") || !$gdeoptions['disable_hideerrors']) {

			$code = "\n<!-- GDE EMBED ERROR: $status -->\n";

		} else {

			$code = "\n".'<div class="gde-error">Google Doc Embedder '.__('Error', 'gde').": ".$status."</div>\n";

		}

	} else {

		$fsize = gde_formatBytes($status['fsize']);

		

		$code =<<<HERE

%A%

<iframe src="%U%" class="gde-frame" style="width:%W%; height:%H%; border: none;" scrolling="no"></iframe>\n

%B%

HERE;



		// obfuscate filename if cache disabled (globally or via shortcode)

		if ($gdeoptions['disable_caching'] == "yes" || $cache == "0") {

			$uefile = urlencode($file."?".time());

		} else {

			$uefile = urlencode($file);

		}

		// check for proxy

		if ($gdeoptions['disable_proxy'] == "no") {

			$lnk = $pUrl."/proxy.php?url=".$uefile."&hl=".$lang;

		} else {

			$lnk = "http://docs.google.com/viewer?url=".$uefile."&hl=".$lang;

		}

		// check for mobile

		if (strstr($gdeoptions['restrict_tb'], 'm') !== false) {

			$lnk .= "&mobile=true";

		} else {

			$lnk .= "&embedded=true";

		}

		// check for theme

		if ($theme) {

			$lnk .= "&t=$theme";

		}

		// check for page

		/*

		if (is_numeric($page)) {

			// jump to selected page - experimental (works on refresh but not initial page load)

			$page = (int) $page-1;

			$lnk = $lnk."#:0.page.".$page;

		}

		*/

		// hide download link for anonymous users

		get_currentuserinfo();

		$dlRestrict = $gdeoptions['restrict_dl'];

		if ($user_ID == '') {

			if ($dlRestrict == "yes" || $authonly == "yes" || $authonly == "1") {

				// no user logged in and restrict set; override link setting

				$save = "no";

			}

		}

		

		$linkcode = "";

		if ($save == "yes" || $save == "1") {

			

			$dlMethod = $gdeoptions['link_func'];

			

			if ($fnp[1] == "PDF" || $fnp[1] == "pdf") {

				if ($dlMethod == "force" or $dlMethod == "force-mask") {

					

					// fix file name with spaces (again)

					$fn = str_replace(" ", "%20", $fn);

					

					$dlFile = $pUrl . "/libs/pdf.php?file=".urlencode($file)."&fn=".$fn;



					if ($dlMethod == "force-mask") {

						$dlFile = gde_shortUrl($dlFile);

						$target = "_blank";

						$nofollow = ' rel="nofollow"';

					} else {

						$target = "_self";

						$nofollow = "";

					}

					

					$gaTag = 'onclick="var that=this;_gaq.push([\'_trackEvent,\'Download\',\'PDF\',this.href]);setTimeout(function(){location.href=that.href;},200);return false;"';

				} elseif ($dlMethod == "default") {

					$dlFile = $file;

					$target = "_blank";

					$gaTag = 'onclick="_gaq.push([\'_trackEvent\',\'Download\',\'PDF\',this.href]);"';

				}

				

			} elseif ($dlMethod == "force-mask") {

				$dlFile = gde_shortUrl($file);

				$nofollow = ' rel="nofollow"';

				$target = "_self";

				$gaTag = 'onclick="var that=this;_gaq.push([\'_trackEvent,\'Download\',\''.$fnp[1].'\',this.href]);setTimeout(function(){location.href=that.href;},200);return false;"';

			} else {

				$dlFile = $file;

				$nofolow = "";

				$target = "_self";

				$gaTag = 'onclick="var that=this;_gaq.push([\'_trackEvent,\'Download\',\''.$fnp[1].'\',this.href]);setTimeout(function(){location.href=that.href;},200);return false;"';

			}

			$txt = $gdeoptions['link_text'];

			if ($gdeoptions['enable_ga'] == "yes") {

				$gaLink = " $gaTag";

			} else {

				$gaLink = "";

			}

			$linkcode .= "<p class=\"gde-text\"><a href=\"$dlFile\" target=\"$target\" class=\"gde-link\"".$gaLink.$nofollow.">$txt</a></p>";

		}

		

		if ($gdeoptions['link_pos'] == "above") {

			$code = str_replace("%A%", $linkcode, $code);

			$code = str_replace("%B%", '', $code);

		} else {

			$code = str_replace("%A%", '', $code);

			$code = str_replace("%B%", $linkcode, $code);

		}

		$code = str_replace("%U%", $lnk, $code);

		$code = str_replace("%W%", $width, $code);

		$code = str_replace("%H%", $height, $code);

		$code = str_replace("%FN", $fn, $code);

		

		// file type replacement

		$ftype = strtoupper($fnp[1]);

		if ($ftype == "TIF") { 

			$ftype = "TIFF";

		}

		$code = str_replace("%FT", $ftype, $code);

		$code = str_replace("%FS", $fsize, $code);

	}

	

	return $code;

}



// activate plugin

register_activation_hook( __FILE__, 'gde_activate');

// allow localisation

load_plugin_textdomain('gde', false, basename( dirname( __FILE__ ) ) . '/languages' );



function gde_activate() {

	global $wpdb;

	

	// initial options

	$init = gde_init();

}



// add an option page

add_action('admin_menu', 'gde_option_page');

function gde_option_page() {

	global $gde_settings_page;

	

	$gde_settings_page = add_options_page('GDE '.__('Settings', 'gde'), 'GDE '.__('Settings', 'gde'), 'manage_options', basename(__FILE__), 'gde_options');



	// enable settings jQuery

	add_action( 'admin_enqueue_scripts', 'gde_admin_custom_js' );

}

function gde_options() {

	if ( function_exists('current_user_can') && !current_user_can('manage_options') ) wp_die('You don\'t have access to this page.');

	if (! user_can_access_admin_page()) wp_die( __('You do not have sufficient permissions to access this page', 'gde') );

	

	require(plugin_dir_path(__FILE__).'/options.php');

	add_action('in_admin_footer', 'gde_admin_footer');

}



// add additional links, for convenience

$plugin = plugin_basename(__FILE__);

function gde_actlinks($links) { 

	$settings_link = '<a href="options-general.php?page=gviewer.php">'.__('Settings', 'gde').'</a>'; 

	array_unshift($links, $settings_link); 

	return $links; 

}

function gde_metalinks($links, $file) {

	global $debug, $support_link;

	$plugin = plugin_basename(__FILE__);

	if ($file == $plugin) {

		$links[] = $support_link;

	}

	return $links;

}

add_filter("plugin_action_links_$plugin", 'gde_actlinks');

add_filter("plugin_row_meta", 'gde_metalinks', 10, 2);



// check for beta, if enabled

function gde_checkforBeta($plugin) {

	global $gde_ver, $pUrl, $gdeoptions;

	

	// beta messages

	$beta_msg['avail'] = array(__('Beta version available', 'gde'), __('Please deactivate the plug-in and install the current version if you wish to participate. Otherwise, you can turn off beta version checking in GDE Settings. Testers appreciated!', 'gde'));

	$beta_msg['newer'] = array(__('Updated beta version available', 'gde'), __('A newer beta has been released. Please deactivate the plug-in and install the current version. Thanks for your help!', 'gde'));

	$beta_msg['current'] = array(__('You\'re running a beta version. Please give feedback.', 'gde'), __('Thank you for running a test version of Google Doc Embedder. You are running the most current beta version. Please give feedback on this version using the &quot;Support&quot; link above. Thanks for your help!', 'gde'));

	$beta_msg['link'] = __('more info', 'gde');

	

	$pdata = get_plugin_data(__FILE__);

	if (preg_match('/-dev$/i', $pdata['Version'])) { $isbeta = 1; } else { $isbeta = ""; }

	

	if (strpos($pUrl.'/gviewer.php', $plugin) !== false) {

		if ($gdeoptions['suppress_beta'] !== "yes") {

			$vcheck = wp_remote_fopen(GDE_BETA_CHKFILE);

		}

		

		if ($vcheck) {

			$lver = $gde_ver;

			

			$status = explode('@', $vcheck);

			$rver = $status[1];

			$message = $status[3];

			

			if ($isbeta) {

				$titleStr = $beta_msg['newer'][0];

				$msgStr = $beta_msg['newer'][1];

			} else {

				$titleStr = $beta_msg['avail'][0];

				$msgStr = $beta_msg['avail'][1];

			}

			$message = str_replace("%msg", $msgStr, $message);

			

			if ((version_compare(strval($rver), strval($lver), '>') == 1)) {

				$msg = "$titleStr: <strong>v".$rver."</strong> - ".$message;

				echo '<td colspan="5" class="plugin-update" style="line-height:1.2em; font-size:11px; padding:1px;"><div style="background:#A2F099;border:1px solid #4FE23F; padding:2px; font-weight:bold;">'.$titleStr.'. <a href="javascript:void(0);" onclick="jQuery(\'#gde-beta-msg\').toggle();">('.$beta_msg['link'].')</a></div><div id="gde-beta-msg" style="display:none; padding:10px; text-align:center;">'.$msg.'</div></td>';

			} elseif ($isbeta) {

				$msg = $beta_msg['current'][0];

				echo '<td colspan="5" class="plugin-update" style="line-height:1.2em; font-size:11px; padding:1px;"><div style="border:1px solid; padding:2px; font-weight:bold;">'.$beta_msg['current'][1].' <a href="javascript:void(0);" onclick="jQuery(\'#gde-beta-msg\').toggle();">('.$beta_msg['link'].')</a></div><div id="gde-beta-msg" style="display:none; padding:10px; text-align:center;" >'.$msg.'</div></td>';

			} else {

				return;

			}

		} elseif ($isbeta) {

			$msg = $beta_msg['current'][1];

			echo '<td colspan="5" class="plugin-update" style="line-height:1.2em; font-size:11px; padding:1px;"><div style="border:1px solid; padding:2px; font-weight:bold;">'.$beta_msg['current'][0].' <a href="javascript:void(0);" onclick="jQuery(\'#gde-beta-msg\').toggle();">('.$beta_msg['link'].')</a></div><div id="gde-beta-msg" style="display:none; padding:10px; text-align:center;" >'.$msg.'</div></td>';			

		}

	}

}

add_action('after_plugin_row', 'gde_checkforBeta');



// activate shortcode

add_shortcode('gview', 'gde_gviewer_func');



// editor integration

if ($gdeoptions['disable_editor'] !== "yes") {

	// add quicktag

	add_action( 'admin_print_scripts', 'gde_admin_print_scripts' );

	

	// add tinymce button

	add_action( 'admin_init','gde_mce_addbuttons' );

	

	// extend media upload support to natively unsupported mime types

	if ($gdeoptions['ed_extend_upload'] == "yes") {

		add_filter('upload_mimes', 'gde_upload_mimes');

	}

	

	// embed shortcode instead of link from media library for supported types

	if ($gdeoptions['ed_embed_sc'] == "yes") {

		add_filter('media_send_to_editor', 'gde_media_insert', 20, 3);

	}

}



// footer credit

function gde_admin_footer() {

	global $support_link;

	$pdata = get_plugin_data(__FILE__);

	$plugin_str = __('plugin', 'gde');

	$version_str = __('Version', 'gde');

	printf('%1$s %2$s | %3$s %4$s | %5$s<br />', $pdata['Title'], $plugin_str, $version_str, $pdata['Version'], $support_link);

}



?>