fix upload file extract issue, add more test (#17)

* fix upload file extract issue, add more test

* uncomment test

prod/upload/upload.lua

@@ -23,10 +23,11 @@ while true do
     if typ == "header" then
 
         --"Content-Disposition","form-data; name=\"files[]\"; filename=\"Song-of-joy.png\""
-        --"Content-Disposition","form-data; name=\"files[]\"; filename=\"rhythm-recognition-1.png\""
+        --"Content-Type","image\/png"
-        local key, val = res
+        local key = res[1]
-        if (key == "Content-Disposition") then
+        local val = res[2]
-            local ext = ngx.re.match(val, [[filename=".*\.(\w+)"]], "jo")
+        if key == "Content-Type" then
+            local ext = ngx.re.match(val, [[(\w+)\/(\w+)]], "jo")[2]
             file_name = string.format("%s/%s.%s", file_dir, uuid(), ext)
         end
 
@@ -45,10 +46,11 @@ while true do
         end
 
     elseif typ == "part_end" then
-        file:close()
+        if file then
+            file:close()
+            table.insert(files, file_name)
+        end
         file = nil
-        table.insert(files, file_name)
-
     elseif typ == "eof" then
         local http = require "resty.http"
         local httpc = http.new()
@@ -61,7 +63,7 @@ while true do
                       host = "ngx"
                     },
                     body = {
-                        cjson.encode({task_type = 1, data = files, created_by = 'ngx', updated_by = 'ngx'})
+                        cjson.encode({task_type = 1, data = files})
                     },
                 }
         )

test/test_magick.lua

@@ -1,7 +1,3 @@
---local str = "form-data; name=\"files[]\"; filename=\"Song-of-joy.png\""
---local ext = ngx.re.match(str, [[filename=".*\.(\w+)"]], "jo")
---print(ext)
-
 local magick = "/usr/local/ImageMagick/bin/magick"
 local tmp = io.open(magick,"r")
 if tmp == nil then
@@ -11,7 +7,7 @@ else
     io.close(tmp)
 end
 print(magick)
---
+
 --local origin = {
 --    "/Users/moicen/Music/alchemy/Song-of-joy.png",
 --    "/Users/moicen/Music/alchemy/You-and-me.png"
@@ -22,4 +18,3 @@ print(magick)
 --local output = file:read("*all")
 --file:close()
 --ngx.say(output)
-

test/test_re.lua

@@ -0,0 +1,10 @@
+--local str = "form-data; name=\"files[]\"; filename=\"Song-of-joy.png\""
+--local ext = ngx.re.match(str, [[filename=".*\.(\w+)"]], "jo")
+--print(ext)
+
+local str = [[image\/png]]
+local ext = ngx.re.match(str, [[image\/(\w+)]])
+print(ext)
+
+
+