http-dec-req-hdr.lua 649 B

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  1. -- 功能:还原 HTTP 请求头
  2. -- 阶段:access_by_lua
  3. local hdrs, err = ngx.req.get_headers()
  4. local extHdrs
  5. for k, v in pairs(hdrs) do
  6. if k:sub(1, 2) ~= '--' then
  7. goto continue
  8. end
  9. ngx.req.clear_header(k)
  10. k = k:sub(3)
  11. if k == 'url' then
  12. ngx.var._url = v
  13. elseif k == 'ver' then
  14. ngx.var._ver = v
  15. elseif k == 'aceh' then
  16. ngx.ctx._aceh = 1
  17. elseif k == 'ext' then
  18. extHdrs = require('cjson').decode(v)
  19. else
  20. if k == 'referer' then
  21. ngx.var._ref = v
  22. end
  23. ngx.req.set_header(k, v)
  24. end
  25. ::continue::
  26. end
  27. if extHdrs then
  28. for k, v in pairs(extHdrs) do
  29. ngx.req.set_header(k, v)
  30. end
  31. end