errors.lua

errors.lua

local errors = {}

local AUTH_FAILED_STATUS    = 403
local AUTH_FAILED_HEADERS   = 'text/plain; charset=us-ascii'
local AUTH_FAILED_MESSAGE   = 'Authentication failed'

local AUTH_MISSING_STATUS   = 403
local AUTH_MISSING_HEADERS  = 'text/plain; charset=us-ascii'
local AUTH_MISSING_MESSAGE  = 'Authentication parameters missing'

local NO_MATCH_STATUS       = 404
local NO_MATCH_HEADERS      = 'text/plain; charset=us-ascii'
local NO_MATCH_MESSAGE      = 'No rule matched'

function errors.no_credentials()
  ngx.status = AUTH_MISSING_STATUS
  ngx.header.content_type = AUTH_MISSING_HEADERS
  ngx.print(AUTH_MISSING_MESSAGE)
  ngx.exit(ngx.HTTP_OK)
end

function errors.authorization_failed()
  ngx.status = AUTH_FAILED_STATUS
  ngx.header.content_type = AUTH_FAILED_HEADERS
  ngx.print(AUTH_FAILED_MESSAGE)
  ngx.exit(ngx.HTTP_OK)
end

function errors.no_match()
  ngx.status = NO_MATCH_STATUS
  ngx.header.content_type = NO_MATCH_HEADERS
  ngx.print(NO_MATCH_MESSAGE)
  ngx.exit(ngx.HTTP_OK)
end

return errors