2022-03-08 21:59:25 +08:00
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-- https://stackoverflow.com/questions/4990990/check-if-a-file-exists-with-lua
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local function file_exists(name)
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local f = io.open(name,"r")
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if f~=nil then io.close(f) return true else return false end
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end
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local file_to_check = string.match(ngx.var.request_uri, ".*/(.*)")
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local file_dir = ngx.var.tmp_file_dir
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2022-08-22 23:59:02 +08:00
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local fullpath = file_dir .. "/" .. file_to_check .. ".png";
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2022-03-09 01:57:15 +08:00
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ngx.log(ngx.INFO, "FILE TO CHECK -> ", fullpath)
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2022-03-08 21:59:25 +08:00
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ngx.say(file_exists(fullpath))
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