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![Logo](/static/img/cowyo.png)
# [cowyo.com](http://cowyo.com/)
[![Version 0.95](https://img.shields.io/badge/version-0.95-brightgreen.svg)]() [![Go Report Card](https://goreportcard.com/badge/github.com/schollz/cowyo)](https://goreportcard.com/report/github.com/schollz/cowyo) [![Join the chat at https://gitter.im/schollz/cowyo](https://badges.gitter.im/schollz/cowyo.svg)](https://gitter.im/schollz/cowyo?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
This is a self-contained notepad webserver that makes sharing easy and _fast_. The most important feature here is *simplicity*. There are many other features as well including versioning, page locking, self-destructing messages, encryption, math support, and listifying. Read on to learn more about the features.
# Features
**Simplicity**. The philosophy here is to *just type*. To jot a note, simply load the page at [`/`](http://cowyo.com/) and just start typing. No need to press edit, the browser will already be focused on the text. No need to press save - it will automatically save when you stop writing. The URL at [`/`](http://cowyo.com/) will redirect to an easy-to-remember name that you can use to reload the page at anytime, anywhere. But, you can also use any URL you want, e.g. [`/AnythingYouWant`](http://cowyo.com/AnythingYouWant). All pages can be rendered into HTML by adding `/view`. For example, the page [`/AnythingYouWant`](http://cowyo.com/AnythingYouWant) is rendered at [`/AnythingYouWant/view`](http://cowyo.com/AnythingYouWant/view). You can write in HTML or [Markdown](https://daringfireball.net/projects/markdown/) for page rendering. To quickly link to `/view` pages, just use `[[AnythingYouWant]]`.
![Simply type to edit.](https://raw.githubusercontent.com/schollz/cowyo/master/static/img/help1.gif)
<br>
**Listifying**. If you are writing a list and you want to tick off things really easily, just add `/list`. For example, after editing [`/grocery`](http://cowyo.com/grocery), goto [`/grocery/list`](http://cowyo.com/grocery/list). In this page, whatever you click on will be struck through and moved to the end. This is helpful if you write a grocery list and then want to easily delete things from it.
![Lists are easy to make.](https://raw.githubusercontent.com/schollz/cowyo/master/static/img/help2.gif)
<br>
**Page locking**. Pages can be locked by providing a password to prevent further editing. The whole version tree will still be available. _Note_: This is not available for list mode.
![Locking is easy.](https://raw.githubusercontent.com/schollz/cowyo/master/static/img/help3.gif)
<br>
**Automatic versioning**. All previous versions of all notes are stored and can be accessed by adding `?version=X` onto `/view` or `/edit`. If you are on the `/view` or `/edit` pages the menu below will show the most substantial changes in the history. Note, only the _current_ version can be edited (no branching allowed, yet).
![Versioning is easy.](https://raw.githubusercontent.com/schollz/cowyo/master/static/img/help4.gif)
<br>
**Self-destructing messages**. You can write a message that will delete itself when a user loads it (in any view). Useful for transmitting sensitive information. To use, simply add a line somewhere that says only "`self-destruct`".
![Mission impossible style self-destruction.](https://raw.githubusercontent.com/schollz/cowyo/master/static/img/help5.gif)
<br>
**Security**. HTTPS support is provided and everything is sanitized to prevent XSS attacks. Though all URLs are publicly accessible, you are free to obfuscate your website by using an obscure/random address (read: the site is still publicly accessible, just hard to find!). In addition to TLS support, you can PGP-encrypt your messages using a passphrase (_Note: This will delete the version tree_).
![Security and encryption baked in.](https://raw.githubusercontent.com/schollz/cowyo/master/static/img/help6.gif)
<br>
**Syntax highlighting**. There is CodeMirror support for many languages. Just use an extension (e.g. .py, .md, .txt, .js, ...) for your document and then you'll be able to edit/view your code in a simple and easy way.
![Coding syntax is provided if you use an extension](NEED GIF)
<br>
**CLI tools**. Want to upload/download from the command line? Its super easy. Upload/download files using `curl` with a simple command:
```bash
$ echo "Hello, world!" > hi.txt
$ curl -L --upload-file hi.txt cowyo.com
File uploaded to http://cowyo.com/hi.txt
$ curl -L cowyo.com/test.txt
Hello, world!
```
or just skip the file-creation step and let `cowyo` figure out a name for you:
```bash
$ echo "Wow, so easy" | curl -L --upload-file "-" cowyo.com
File uploaded to http://cowyo.com/CautiousCommonLoon
$ curl -L cowyo.com/CautiousCommonLoon
Wow, so easy
```
<br>
**Content Delivery**. Want use a script on your own domain? Just use the extension `/raw` with optional versioning (e.g. `/raw?version=1`). `cowyo` will serve these files with a wildcard Access-Control-Allow-Origin so they will work anywhere. Check out a live example [on this JSFiddle](https://jsfiddle.net/g87w7kt0/).
**Keyboard Shortcuts**. Quickly transition between Edit/View/List by using `Ctl+Shift+E` to Edit, `Ctl+Shift+Z` to View, and `Ctl+Shift+L` to Listify.
**Admin controls**. The Admin can view/delete all the documents by setting the `-a YourAdminKey` when starting the program. Then the admin has access to the `/ls/YourAdminKey` to view and delete any of the pages.
**Math support**. Math is supported with [Katex](https://github.com/Khan/KaTeX) using `$\frac{1}{2}$` for inline equations and `$$\frac{1}{2}$$` for regular equations.
# Install
If you haven't done so, first [install Go](https://golang.org/doc/install).
```
$ git clone https://github.com/schollz/cowyo.git
$ cd cowyo
$ go get ./...
$ go build
$ ./cowyo
--------------------------
cowyo (version Y) is up and running on http://SOMEADDRESS:8003
Admin key: VRSgtuVpkrwtWrfphsooOYeErzdbVHHqecMcqcbkLFNFNPwakH
--------------------------
```
Now open your browser to `http://SOMEADDRESS:8003` to see your cowyo! For more information type `./cowyo --help`.
# Contact
If you'd like help or you find a bug, please submit [an issue](https://github.com/schollz/cowyo/issues). Any other comments, questions or anything at all, just <a href="https://twitter.com/intent/tweet?screen_name=zack_118" class="twitter-mention-button" data-related="zack_118">tweet me @zack_118</a>
# Contributors
Thanks to [tscholl2](https://github.com/tscholl2) and [sjsafranek](https://github.com/sjsafranek).
Icons made by [Freepik](http://www.freepik.com) from [www.flaticon.com](http://www.flaticon.com) is licensed by <a href="http://creativecommons.org/licenses/by/3.0/" title="Creative Commons BY 3.0" target="_blank">CC 3.0 BY</a>
File uploading from [transfer.sh](https://github.com/dutchcoders/transfer.sh/blob/98399c91dd86682077cf9542badbf1658fd9a8c1/transfersh-server/handlers.go#L293-L369) (licensed by MIT).