[BUGFIX] lower POST size when ̀PHP's upload_max_filesize is too low.

[jirafeau_mojo42.git] / lib / functions.js.php

diff --git a/lib/functions.js.php b/lib/functions.js.php
index d9a75eec7fb0badb07ac63de3997975fa06d239f..ced2fa7b5e6bdbd06bfad4c0046c71c92779fb53 100644 (file)
--- a/lib/functions.js.php
+++ b/lib/functions.js.php
@@ -370,6 +370,10 @@ function classic_upload (file, time, password, one_time, upload_password)
 
             show_link (res[0], res[1], res[2], expiryDate);
         }
+        else
+        {
+            pop_failure ("<?php echo t("ERR_OCC"); ?>");
+        }
     }
     req.open ("POST", 'script.php' , true);
 
@@ -398,6 +402,7 @@ var async_global_ref = '';
 var async_global_max_size = 0;
 var async_global_time;
 var async_global_transfering = 0;
+var async_global_last_code;
 
 function async_upload_start (max_size, file, time, password, one_time, upload_password)
 {
@@ -470,6 +475,7 @@ function async_upload_progress (e)
 
 function async_upload_push (code)
 {
+    async_global_last_code = code;
     if (async_global_transfered == async_global_file.size)
     {
         hide_upload_progression ();
@@ -482,27 +488,49 @@ function async_upload_push (code)
     req.addEventListener ("abort", pop_failure, false);
     req.onreadystatechange = function ()
     {
-        if (req.readyState == 4 && req.status == 200)
+        if (req.readyState == 4)
         {
-            var res = req.responseText;
+            if (req.status == 200)
+            {
+                var res = req.responseText;
 
-            if (/^Error/.test(res))
+                // This error may be triggered when Jirafeau does not receive any file in POST.
+                // This may be due to bad php configuration where post_max_size is too low
+                // comparing to upload_max_filesize. Let's retry with lower file size.
+                if (res === "Error 23")
+                {
+                    async_global_max_size = Math.max(1, async_global_max_size - 500);
+                    async_upload_push (async_global_last_code);
+                    return;
+                }
+                else if (/^Error/.test(res))
+                {
+                    pop_failure (res);
+                    return;
+                }
+
+                res = res.split ("\n");
+                var code = res[0]
+                async_global_transfered = async_global_transfering;
+                async_upload_push (code);
+                return;
+            }
+            else
             {
-                pop_failure (res);
+                if (req.status == 413) // Request Entity Too Large
+                {
+                    // lower async_global_max_size and retry
+                    async_global_max_size = Math.max(1, parseInt (async_global_max_size * 0.8));
+                }
+                async_upload_push (async_global_last_code);
                 return;
             }
-
-            res = res.split ("\n");
-            var code = res[0]
-            async_global_transfered = async_global_transfering;
-            async_upload_push (code);
         }
     }
     req.open ("POST", 'script.php?push_async' , true);
 
-    var chunk_size = parseInt (async_global_max_size * 0.50);
     var start = async_global_transfered;
-    var end = start + chunk_size;
+    var end = start + async_global_max_size;
     if (end >= async_global_file.size)
         end = async_global_file.size;
     var blob = async_global_file.slice (start, end);
@@ -560,8 +588,7 @@ function upload (max_size)
 {
     var one_time_checkbox = document.getElementById('one_time_download');
     var one_time = one_time_checkbox !== null ? one_time_checkbox.checked : false;
-    if (check_html5_file_api ()
-        && document.getElementById('file_select').files[0].size >= max_size)
+    if (check_html5_file_api ())
     {
         async_upload_start (
             max_size,