[enh] Add PCRE regex support

This commit is contained in:
ljf 2018-06-24 16:04:26 +02:00
parent c354571337
commit 9cbe43862b

View file

@ -22,6 +22,9 @@ local conf = config.get_config()
-- Import helpers
local hlp = require "helpers"
-- Import Perl regular expressions library
local rex = require "rex_pcre"
-- Just a note for the client to know that he passed through the SSO
ngx.header["X-SSO-WAT"] = "You've just been SSOed"
@ -185,6 +188,12 @@ end
-- If the URL matches one of the `redirected_urls` in the configuration file,
-- just redirect to the target URL/URI
--
function match(s, regex)
if rex.match(s, regex) or string.match(s,regex) then
return true
end
return false
end
function detect_redirection(redirect_url)
if hlp.string.starts(redirect_url, "http://")
@ -209,9 +218,9 @@ end
if conf["redirected_regex"] then
for regex, redirect_url in pairs(conf["redirected_regex"]) do
if string.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or string.match(ngx.var.scheme.."://"..ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or string.match(ngx.var.uri..hlp.uri_args_string(), regex) then
if match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.scheme.."://"..ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex) then
detect_redirection(redirect_url)
end
end
@ -242,8 +251,8 @@ function is_protected()
end
end
for _, regex in ipairs(conf["protected_regex"]) do
if string.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or string.match(ngx.var.uri..hlp.uri_args_string(), regex) then
if match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex) then
return true
end
end
@ -272,8 +281,8 @@ end
if conf["skipped_regex"] then
for _, regex in ipairs(conf["skipped_regex"]) do
if (string.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or string.match(ngx.var.uri..hlp.uri_args_string(), regex))
if (match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex))
and not is_protected() then
return hlp.pass()
end
@ -341,8 +350,8 @@ end
if conf["unprotected_regex"] then
for _, regex in ipairs(conf["unprotected_regex"]) do
if (string.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or string.match(ngx.var.uri..hlp.uri_args_string(), regex))
if (match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex))
and not is_protected() then
if hlp.is_logged_in() then
hlp.set_headers()