From 3e4d1197d58b9d5a7ca4c6e0b6e11194a8136d1a Mon Sep 17 00:00:00 2001
From: Ryan Boren <ryan@git.wordpress.org>
Date: Thu, 20 Mar 2008 00:33:59 +0000
Subject: [PATCH] Degrade flash upload if the server is lightttpd < 1.5. Props
 nbachyski. fixes #6243

git-svn-id: https://develop.svn.wordpress.org/trunk@7406 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-admin/includes/media.php                           |  4 +++-
 wp-includes/functions.php                             | 11 +++++++++++
 wp-includes/js/swfupload/handlers.js                  |  5 -----
 .../plugins/swfupload.graceful_degradation.js         |  1 +
 wp-includes/script-loader.php                         |  3 +++
 5 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 779682ca54..e266d68fed 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -811,7 +811,6 @@ jQuery(function($){
 			file_size_limit : "<?php echo wp_max_upload_size(); ?>b",
 			swfupload_element_id : "flash-upload-ui", // id of the element displayed when swfupload is available
 			degraded_element_id : "html-upload-ui",   // when swfupload is unavailable
-			swfupload_loaded_handler : uploadLoaded,
 			file_dialog_start_handler : fileDialogStart,
 			file_queued_handler : fileQueued,
 			upload_start_handler : uploadStart,
@@ -843,6 +842,9 @@ jQuery(function($){
 	</p>
 	<input type="hidden" name="post_id" id="post_id" value="<?php echo $post_id; ?>" />
 	<br class="clear" />
+	<?php if ( is_lighttpd_before_150() ): ?>
+	<p><?php _e('If you want to use all capabilties of the uploader, like uploading multiple files at once, please upgrade to lighttpd 1.5.'); ?></p>
+	<?php endif;?>
 </div>
 <?php
 }
diff --git a/wp-includes/functions.php b/wp-includes/functions.php
index da51e12cbb..2b51d70c25 100644
--- a/wp-includes/functions.php
+++ b/wp-includes/functions.php
@@ -1705,4 +1705,15 @@ function _deprecated_file($file, $version, $replacement=null) {
 			trigger_error( printf( __("%1$s is <strong>deprecated</strong> since version %2$s with no alternative available."), $file, $version ) );
 	}
 }
+
+/**
+ * is_lighttpd_before_150() - Is the server running earlier than 1.5.0 version of lighttpd
+ *
+ * @return bool Whether the server is running lighttpd < 1.5.0
+ */
+function is_lighttpd_before_150() {
+	$server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' );
+	$server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : '';
+	return  'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' );
+}
 ?>
diff --git a/wp-includes/js/swfupload/handlers.js b/wp-includes/js/swfupload/handlers.js
index c53edf1d04..3dd3c4f1ee 100644
--- a/wp-includes/js/swfupload/handlers.js
+++ b/wp-includes/js/swfupload/handlers.js
@@ -1,8 +1,3 @@
-function uploadLoaded() {
-	jQuery("#html-upload-ui").remove();
-	jQuery("#flash-upload-ui").show();
-}
-
 function fileDialogStart() {
 	jQuery("#media-upload-error").empty();
 }
diff --git a/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js b/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js
index 16bf12ed7b..c26b4046db 100644
--- a/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js
+++ b/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js
@@ -36,6 +36,7 @@ if (typeof(SWFUpload) === "function") {
 	SWFUpload.gracefulDegradation.swfUploadLoaded = function () {
 		var swfupload_container_id, swfupload_container, degraded_container_id, degraded_container, user_swfUploadLoaded_handler;
 		try {
+			if (uploadDegradeOptions.is_lighttpd_before_150) throw "Lighttpd versions earlier than 1.5.0 aren't supported!";
 			swfupload_element_id = this.getSetting("swfupload_element_id");
 			degraded_element_id = this.getSetting("degraded_element_id");
 			
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index 1200174b44..b34a4f5707 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -83,6 +83,9 @@ class WP_Scripts {
 		$this->add( 'thickbox', '/wp-includes/js/thickbox/thickbox.js', array('jquery'), '3.1');
 		$this->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', false, '2.0.2');
 		$this->add( 'swfupload-degrade', '/wp-includes/js/swfupload/plugins/swfupload.graceful_degradation.js', array('swfupload'), '2.0.2');
+		$this->localize( 'swfupload-degrade', 'uploadDegradeOptions', array(
+			'is_lighttpd_before_150' => is_lighttpd_before_150(),
+		) );
 		$this->add( 'swfupload-queue', '/wp-includes/js/swfupload/plugins/swfupload.queue.js', array('swfupload'), '2.0.2');
 		$this->add( 'swfupload-handlers', '/wp-includes/js/swfupload/handlers.js', array('swfupload'), '2.0.2-20080301');
 		// these error messages came from the sample swfupload js, they might need changing.