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nginx.conf
server {
listen 9090;
server_name cache.beta2.asiaclassified.com;
root /var/www/current/public;
set $rooty /var/www/currentpublic;
large_client_header_buffers 4 16k;
location /content {
internal;
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $rooty/index.php;
include fastcgi_params;
}
location /content_esi {
fastcgi_pass 127.0.0.1:9000;
fastcgi_param SCRIPT_FILENAME $rooty/index.php;
include fastcgi_params;
}
location = /redis-get {
internal;
# set_unescape_uri is provided by ngx_set_misc
# set_unescape_uri $query $arg_query;
set $key $arg_key;
redis2_query get $key;
redis2_pass 127.0.0.1:6379;
}
location = /redis-set {
internal;
lua_need_request_body on;
client_max_body_size 100k;
client_body_in_single_buffer on;
# set_unescape_uri is provided by ngx_set_misc
# set_unescape_uri $query $arg_query;
set $key $arg_key;
redis2_query set $key $request_body;
redis2_pass 127.0.0.1:6379;
}
location = /redis-expire {
internal;
set $key $arg_key;
redis2_query expire $key 60;
redis2_pass 127.0.0.1:6379;
}
location / {
default_type text/html;
set $key $request_uri;
set_sha1 $key;
proxy_pass_request_headers off;
keepalive_timeout 0;
content_by_lua '
function literalize(str)
return str:gsub("[%(%)%.%%%+%-%*%?%[%]%^%$]", function(c) return "%" .. c end)
end
local key = ngx.var.key;
local json = require("yajl");
local res;
-- find content in redis for this key
local parser = require("redis.parser")
local ctn;
local content;
local process_esi = false;
if res == nil then
content = ngx.location.capture("/content"..ngx.var.uri, {args = ngx.var.args});
if content.status == 302 or content.status == 301 then
if content.header["Location"]~= ngx.var.uri then
ngx.redirect(content.header["Location"], content.status);
end
end
if content.header["Esi-Enabled"] ~= nil then
process_esi = true;
end
if content.header["Esi-Cache-Enabled"] ~= nil then
ngx.location.capture("/redis-set?key="..key, { method = ngx.HTTP_POST, body = content.body });
ngx.location.capture("/redis-expire?key="..key);
end;
ctn = content.body
for k,hed in pairs(content.header) do
ngx.header[k] = hed;
end
else
ctn = res;
process_esi = true;
end
if process_esi then
local mtc = string.gmatch(ctn, "(<esi:include src=\'([^\']*)\'></esi:include>)")
for esi in mtc
do
local urls = string.gmatch(esi, "src=\'([^\']*)\'")
for url in urls
do
local content2 = ngx.location.capture("/content_esi"..url);
esi = string.gsub(esi, "%?", "%%?");
tmp = string.gsub(ctn, esi, literalize(content2.body));
if tmp ~= nil then
ctn = tmp;
else
end
end
end
end
-- if not find just forward it to the content
ngx.print(ctn);
';
}
}
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