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skynet-webportal/docker/nginx/libs/skynet/utils.lua

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local _M = {}
function _M.authorization_header()
-- read api password from env variable
local apipassword = os.getenv("SIA_API_PASSWORD")
-- if api password is not available as env variable, read it from disk
if apipassword == nil or apipassword == "" then
-- open apipassword file for reading (b flag is required for some reason)
-- (file /etc/.sia/apipassword has to be mounted from the host system)
local apipassword_file = io.open("/data/sia/apipassword", "rb")
-- read apipassword file contents and trim newline (important)
apipassword = apipassword_file:read("*all"):gsub("%s+", "")
-- make sure to close file after reading the password
apipassword_file.close()
end
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-- encode the user:password authorization string
-- (in our case user is empty so it is just :password)
local content = require("ngx.base64").encode_base64url(":" .. apipassword)
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-- set authorization header with proper base64 encoded string
return "Basic " .. content
end
return _M