diff options
Diffstat (limited to 'examples/rgw-cache/nginx-lua-file.lua')
| -rw-r--r-- | examples/rgw-cache/nginx-lua-file.lua | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/examples/rgw-cache/nginx-lua-file.lua b/examples/rgw-cache/nginx-lua-file.lua new file mode 100644 index 000000000..efaf42230 --- /dev/null +++ b/examples/rgw-cache/nginx-lua-file.lua @@ -0,0 +1,26 @@ +local check = ngx.req.get_headers()["AUTHORIZATION"] +local uri = ngx.var.request_uri +local ngx_re = require "ngx.re" +local hdrs = ngx.req.get_headers() +--Take all signedheaders names, this for creating the X-Amz-Cache which is necessary to override range header to be able to readahead an object +local res, err = ngx_re.split(check,"SignedHeaders=") +local res2, err2 = ngx_re.split(res[2],",") +local res3, err3 = ngx_re.split(res2[1],";") +local t = {} +local concathdrs = string.char(0x00) +for i = 1, #res3, 1 do + if hdrs[res3[i]] ~= nil then +--0xB1 is the separator between header name and value + t[i] = res3[i] .. string.char(0xB1) .. hdrs[res3[i]] +--0xB2 is the separator between headers + concathdrs = concathdrs .. string.char(0xB2) .. t[i] + end +end +-- check if the authorization header is not empty +if check ~= nil then + local xamzcache = concathdrs:sub(2) + xamzcache = xamzcache .. string.char(0xB2) .. "Authorization" .. string.char(0xB1) .. check + if xamzcache:find("aws4_request") ~= nil and uri ~= "/" and uri:find("?") == nil and hdrs["if-match"] == nil then + ngx.var.authvar = xamzcache + end +end |