smr/README.md

# SMR

## Overview

This repository contains the source code to a pastebin clone. It was made after
concerns with pastebin.com taking down certain kinds of content. SMR aims to
be small, fast, and secure. It is built on top of [Kore](https://kore.io), using
[luajit](https://luajit.org) to expose a Lua programming environment. It uses
[sqlite3](https://sqlite.org) as it's database. SMR is implemented in about 
4k SLOC and is expected to never exceed 5k SLOC. Contributions welcome.

```

-------------------------------------------------------------------------------
Language                     files          blank        comment           code
-------------------------------------------------------------------------------
Lua                             36            190            306           1993
C                                4             61            116            709
HTML                            18             21              0            561
SQL                             36              6             35            266
JavaScript                       3             19             21            203
CSS                              3              4              8             73
C/C++ Header                     4              3              0             46
-------------------------------------------------------------------------------
SUM:                           104            304            486           3851
-------------------------------------------------------------------------------

```

## Roadmap

* Accounts (complete)
* Comments (complete)
* Tags (complete)
* Search (complete)
* Archive (complete)
* Author biographies (complete)
* Kore 4.2.0 (complete)
* addon api

TODO's:

* Currently, people can post comments to unlisted stories even if they don't have
the correct link.
* Find a replacement preprocessor
* The archive is currently generated weekly from a cron job, and served 
syncronously. We can generate a zip file on-the-fly instead, and if the client
disconnects, it's fine to drop the whole thing.
* We can simplify a lot of error handling logic by setting sql prepared statements to reset during error unwinding.
* We can simplify a lot of business logic by having requests parse their parameters eagerly.

## Hacking

If you want to contribute to this repository:
1. Install the [kore webserver](https://kore.io)(Documentation -> installation)
2. Use a `kodev create smr` to create a blank kore application
3. Install Lua and Luarocks from your package manager
4. Use Luarocks to install the following dependencies (`luarocks install <package>`)
  * etlua - Lua templating, comparable to Jinja for Python
  * lpeg - Parsing Expression Grammers, used to build text parsers
  * lsqlite3 - Sqlite3 for Lua, a lightweight database
  * lua-zlib - Data compression
5. You may need to modify conf/build.conf, I use Lua 5.1 on my development machine,
   but everything should still work with later versions.
6. Install [spp](https://github.com/radare/spp)
7. Clone this repository into the smr folder, cd into the root, and run `make`!
  * You may need to modify the configuration in the Makefile, add `test.monster 127.0.0.1` to your `/etc/hosts`, modify command invocation, ect.

## Misc. notes

SMR requires a slightly modified version of Kore to run. See [my kore patches](https://git.fuwafuwa.moe/rmalley/kore_patches)
for the changes I needed to make to get the JIT compiler playing nice with
Kore's seccomp restrictions. There are a few other changes, like modified kore
to accept any text as input for things like file upload.

**UPDATE (12/18/2020)**

Kore 4.0 no longer needs the seccomp changes, as those have been exposed to
library users, and smr has been updated appropriately. It still needs the
allow-multiline-input patch though.