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Iterate on previous security fixes: ignore Auth header on PROPFIND routes, and don't drop Auth header which are not Basic auth

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This commit is contained in:
Alexandre Aubin 2023-01-09 19:46:51 +01:00
parent 1f56a08621
commit ca7cf2c2cc
1 changed files with 11 additions and 2 deletions
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13
helpers.lua
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@ -265,7 +265,9 @@ function refresh_logged_in()
local auth_header = ngx.req.get_headers()["Authorization"] or ngx.req.get_headers()["Proxy-Authorization"]
if auth_header then
-- Ignore this for PROPFIND routes used by Nextcloud (et al.?) which also rely on basic auth with totally yunohost-unrelated credentials ...
if auth_header and ngx.var.request_method ~= "PROPFIND" then
logger.debug(auth_header)
_, _, b64_cred = string.find(auth_header, "^Basic%s+(.+)$")
if b64_cred == nil then
return is_logged_in
@ -417,7 +419,14 @@ end
-- - app requests that no authentication headers be sent
-- Prevents user from pretending to be someone else on public apps
function clear_headers()
ngx.req.clear_header("Authorization")
-- Clear auth header only if it's a 'Basic' auth stuff, not 'Bearer' stuff
-- Also ignore PROPFIND routes used by Nextcloud (et al.?)
if ngx.var.request_method ~= "PROPFIND" and ngx.req.get_headers()["Authorization"] then
_, _, b64_cred = string.find(auth_header, "^Basic%s+(.+)$")
if b64_cred ~= nil then
ngx.req.clear_header("Authorization")
end
end
for k, v in pairs(conf["additional_headers"]) do
ngx.req.clear_header(k)
end