From 94aef7b4e9283f5c955cd2c4d5f71937be87b048 Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xinu.at>
Date: Sat, 17 Dec 2011 12:26:31 +0100
Subject: move JS of upload_form to separate file

The code hardly changes so it should be cached by the browser. This
won't work if it's inlined.

Signed-off-by: Florian Pritz <bluewind@xinu.at>
---
 application/views/file/upload_form.php | 66 +---------------------------------
 data/.htaccess                         |  1 +
 data/js/upload_form.js                 | 65 +++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+), 65 deletions(-)
 create mode 100644 data/js/upload_form.js

diff --git a/application/views/file/upload_form.php b/application/views/file/upload_form.php
index 8687490de..7ca0e2a13 100644
--- a/application/views/file/upload_form.php
+++ b/application/views/file/upload_form.php
@@ -6,73 +6,9 @@
       Optional password (for deletion and search): <input type="password" name="password" size="10" />
     </p>
   </form>
+  <script type="text/javascript" src="<?php echo base_url(); ?>data/js/upload_form.js?<?php echo filemtime(FCPATH."/data/js/upload_form.js"); ?>"></script>
   <script type="text/javascript">
     /* <![CDATA[ */
-    // check file size before uploading if browser support html5
-    if (window.File && window.FileList) {
-        function checkFileUpload(evt) {
-          var f = evt.target.files[0]; // FileList object
-          if (f.size > <?php echo $max_upload_size; ?>) {
-            document.getElementById('upload_button').value = "File too big";
-            document.getElementById('upload_button').disabled = true;
-          } else {
-            document.getElementById('upload_button').value = "Upload";
-            document.getElementById('upload_button').disabled = false;
-          }
-        }
-
-        document.getElementById('file').addEventListener('change', checkFileUpload, false);
-    }
-
-function encode64(inp){
-    var key="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
-    var chr1,chr2,chr3,enc3,enc4,i=0,out="";
-    while(i<inp.length){
-        chr1=inp.charCodeAt(i++);if(chr1>127) chr1=88;
-        chr2=inp.charCodeAt(i++);if(chr2>127) chr2=88;
-        chr3=inp.charCodeAt(i++);if(chr3>127) chr3=88;
-        if(isNaN(chr3)) {enc4=64;chr3=0;} else enc4=chr3&63
-        if(isNaN(chr2)) {enc3=64;chr2=0;} else enc3=((chr2<<2)|(chr3>>6))&63
-        out+=key.charAt((chr1>>2)&63)+key.charAt(((chr1<<4)|(chr2>>4))&63)+key.charAt(enc3)+key.charAt(enc4);
-    }
-    return encodeURIComponent(out);
-}
-
-function gen_boundary() {
-  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
-  var string_length = 40;
-  var randomstring = '';
-  for (var i=0; i<string_length; i++) {
-    var rnum = Math.floor(Math.random() * chars.length);
-    randomstring += chars.substring(rnum,rnum+1);
-  }
-  return randomstring;
-}
-function do_paste() {
-    var http = new XMLHttpRequest();
-    var url = "<?php echo site_url("file/do_upload/dumb"); ?>";
-    var CRLF = "\r\n";
-    var boundary = "--" + gen_boundary();
-    var body = "--" + boundary + CRLF
-      + 'Content-Disposition: form-data; name="file"; filename="stdin"' + CRLF
-      + "Content-Type: text/plain" + CRLF
-      + CRLF
-      + document.getElementById("textarea").value + CRLF
-      + "--" + boundary + "--" + CRLF + CRLF;
-    http.open("POST", url, true);
-
-    //Send the proper header information along with the request
-    http.setRequestHeader("Content-type", "multipart/form-data; boundary=" + boundary);
-    http.setRequestHeader("Authorization", "Basic " + encode64(":" + document.getElementById("textarea_password").value));
-
-    http.onreadystatechange = function() {//Call a function when the state changes.
-      if(http.readyState == 4 && http.status == 200) {
-        window.location = http.responseText;
-      }
-    }
-    http.send(body);
-}
-
 document.write('\
   <p><b>OR</b></p>\
   <form action="javascript: do_paste()">\
diff --git a/data/.htaccess b/data/.htaccess
index 13d25207f..c8dfb58fd 100644
--- a/data/.htaccess
+++ b/data/.htaccess
@@ -1,6 +1,7 @@
 <IfModule mod_expires.c>
 	ExpiresActive on
 	ExpiresByType text/css "access plus 1 year"
+	ExpiresByType application/javascript "access plus 1 year"
 </IfModule>
 
 Header append Cache-Control "public"
diff --git a/data/js/upload_form.js b/data/js/upload_form.js
new file mode 100644
index 000000000..0dcb53708
--- /dev/null
+++ b/data/js/upload_form.js
@@ -0,0 +1,65 @@
+// check file size before uploading if browser support html5
+if (window.File && window.FileList) {
+	function checkFileUpload(evt) {
+	  var f = evt.target.files[0];
+	  if (f.size > <?php echo $max_upload_size; ?>) {
+		document.getElementById('upload_button').value = "File too big";
+		document.getElementById('upload_button').disabled = true;
+	  } else {
+		document.getElementById('upload_button').value = "Upload";
+		document.getElementById('upload_button').disabled = false;
+	  }
+	}
+
+	document.getElementById('file').addEventListener('change', checkFileUpload, false);
+}
+
+function encode64(inp){
+    var key="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+    var chr1,chr2,chr3,enc3,enc4,i=0,out="";
+    while(i<inp.length){
+        chr1=inp.charCodeAt(i++);if(chr1>127) chr1=88;
+        chr2=inp.charCodeAt(i++);if(chr2>127) chr2=88;
+        chr3=inp.charCodeAt(i++);if(chr3>127) chr3=88;
+        if(isNaN(chr3)) {enc4=64;chr3=0;} else enc4=chr3&63
+        if(isNaN(chr2)) {enc3=64;chr2=0;} else enc3=((chr2<<2)|(chr3>>6))&63
+        out+=key.charAt((chr1>>2)&63)+key.charAt(((chr1<<4)|(chr2>>4))&63)+key.charAt(enc3)+key.charAt(enc4);
+    }
+    return encodeURIComponent(out);
+}
+
+function gen_boundary() {
+  var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
+  var string_length = 40;
+  var randomstring = '';
+  for (var i=0; i<string_length; i++) {
+    var rnum = Math.floor(Math.random() * chars.length);
+    randomstring += chars.substring(rnum,rnum+1);
+  }
+  return randomstring;
+}
+function do_paste() {
+    var http = new XMLHttpRequest();
+    var url = "<?php echo site_url("file/do_upload/dumb"); ?>";
+    var CRLF = "\r\n";
+    var boundary = "--" + gen_boundary();
+    var body = "--" + boundary + CRLF
+      + 'Content-Disposition: form-data; name="file"; filename="stdin"' + CRLF
+      + "Content-Type: text/plain" + CRLF
+      + CRLF
+      + document.getElementById("textarea").value + CRLF
+      + "--" + boundary + "--" + CRLF + CRLF;
+    http.open("POST", url, true);
+
+    //Send the proper header information along with the request
+    http.setRequestHeader("Content-type", "multipart/form-data; boundary=" + boundary);
+    http.setRequestHeader("Authorization", "Basic " + encode64(":" + document.getElementById("textarea_password").value));
+
+    http.onreadystatechange = function() {
+      if(http.readyState == 4 && http.status == 200) {
+        window.location = http.responseText;
+      }
+    }
+    http.send(body);
+}
+
-- 
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