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Merge pull request #151 from kay0u/fix-match

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[FIX] string.match
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Bram 2020-01-17 09:35:54 +01:00 committed by GitHub
commit 12412cc6c8
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2 changed files with 23 additions and 23 deletions
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32
access.lua
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@ -22,9 +22,6 @@ local conf = config.get_config()
-- Import helpers
local hlp = require "helpers"
-- Import Perl regular expressions library
local rex = require "rex_pcre"
-- Load logging module
local logger = require("log")
@ -208,17 +205,6 @@ end
-- If the URL matches one of the `redirected_urls` in the configuration file,
-- just redirect to the target URL/URI
--
-- The 'match' function uses PCRE regex as default
-- If '%.' is found in the regex, we assume it's a LUA regex (legacy code)
-- 'match' returns the matched text.
function match(s, regex)
if not string.find(regex, '%%%.') then
return rex.match(s, regex)
else
return string.match(s,regex)
end
end
function detect_redirection(redirect_url)
if hlp.string.starts(redirect_url, "http://")
or hlp.string.starts(redirect_url, "https://") then
@ -243,9 +229,9 @@ end
if conf["redirected_regex"] then
for regex, redirect_url in pairs(conf["redirected_regex"]) do
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
if hlp.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or hlp.match(ngx.var.scheme.."://"..ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or hlp.match(ngx.var.uri..hlp.uri_args_string(), regex) then
logger.debug("Requested URI is in redirected_regex")
detect_redirection(redirect_url)
end
@ -274,8 +260,8 @@ end
if conf["skipped_regex"] then
for _, regex in ipairs(conf["skipped_regex"]) do
if (match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex))
if (hlp.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or hlp.match(ngx.var.uri..hlp.uri_args_string(), regex))
then
logger.debug("Skipping "..ngx.var.uri)
return hlp.pass()
@ -308,8 +294,8 @@ function is_protected()
end
end
for _, regex in ipairs(conf["protected_regex"]) do
if match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex) then
if hlp.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or hlp.match(ngx.var.uri..hlp.uri_args_string(), regex) then
logger.debug(ngx.var.uri.." is in protected_regex")
return true
end
@ -399,8 +385,8 @@ end
if conf["unprotected_regex"] then
for _, regex in ipairs(conf["unprotected_regex"]) do
if (match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or match(ngx.var.uri..hlp.uri_args_string(), regex))
if (hlp.match(ngx.var.host..ngx.var.uri..hlp.uri_args_string(), regex)
or hlp.match(ngx.var.uri..hlp.uri_args_string(), regex))
and not is_protected() then
if hlp.is_logged_in() then
hlp.set_headers()

14
helpers.lua
View file

@ -14,6 +14,20 @@ local logger = require("log")
-- url parser, c.f. https://rosettacode.org/wiki/URL_parser#Lua
local url_parser = require "socket.url"
-- Import Perl regular expressions library
local rex = require "rex_pcre"
-- The 'match' function uses PCRE regex as default
-- If '%.' is found in the regex, we assume it's a LUA regex (legacy code)
-- 'match' returns the matched text.
function match(s, regex)
if not string.find(regex, '%%%.') then
return rex.match(s, regex)
else
return string.match(s,regex)
end
end
-- Read a FS stored file
function read_file(file)