118 lines
4.5 KiB
Markdown
118 lines
4.5 KiB
Markdown
# whiteboard
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This is a lightweight NodeJS collaborative Whiteboard/Sketchboard witch can easily be customized...
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## Demowhiteboard ##
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[HERE](https://cloud13.de/testwhiteboard/) (Resets every night)
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## Some Features
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* Shows remote user cursors while drawing
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* Undo function for each user (strg+z)
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* Drag+Drop / Copy+Paste Images to Whiteboard from PC and Browsers
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* Resize, Move & Draw Images to Canvas or Background
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* Write text
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* Save Whiteboard to Image and JSON
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* Draw angle lines by pressing "shift" while drawing (with line tool)
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* Draw square by pressing "shift" while drawing (with rectangle tool)
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* Indicator that shows the smallest screen participating
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* Working on PC, Tablet & Mobile
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## Install the App
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You can run this app with and without docker
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### Without Docker
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1. install the latest NodeJs
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2. Clone the app
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3. Run `npm i` inside the folder
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4. Run `node server.js`
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5. Surf to http://YOURIP:8080
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### With Docker
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1. `docker run -d -p 8080:8080 rofl256/whiteboard`
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2. Surf to http://YOURIP:8080
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## URL Parameters
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Call your site with GET parameters to change the WhiteboardID or the Username
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`http://YOURIP:8080?whiteboardid=MYID&username=MYNAME`
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* whiteboardid => All people with the same ID are drawing on the same board
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* username => The name witch is showing to others while drawing
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* title => Change the name of the Browser Tab
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## Security - AccessToken (Optional)
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To prevent clients who might know or guess the base URL from abusing the server to upload files and stuff..., you can set an accesstoken at server start.
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<b>Server (Without docker):</b> `node server.js --accesstoken="mySecToken"`
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<b>Server (With docker):</b> `docker run -d -e accesstoken="mySecToken" -p 8080:8080 rofl256/whiteboard`
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Then set the same token on the client side as well:
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<b>Client (With and without docker):</b> `http://YOURIP:8080?accesstoken=mySecToken&whiteboardid=MYID&username=MYNAME`
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Done!
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## WebDAV (Optional)
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This function allows your users to save the whiteboard directly to a webdav server (Nextcloud) as image without downloading it.
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To enable it:
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<b>Server (Without docker):</b> `node server.js --webdav=true`
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<b>Server (With docker):</b> `docker run -d -e webdav=true -p 8080:8080 rofl256/whiteboard`
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Then set the same parameter on the client side as well:
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<b>Client (With and without docker):</b> `http://YOURIP:8080?webdav=true&whiteboardid=MYID&username=MYNAME`
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Refresh the site and You will notice an extra save button in the top panel. Set your WebDav Parameters, and you are good to go!
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Note: For the most owncloud/nextcloud setups you have to set the WebDav-Server URL to: https://YourDomain.tl/remote.php/webdav/
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Done!
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## Things you may want to know
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* Whiteboards are gone if you restart the Server, so keep that in mind (or save your whiteboard)
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* You shoud be able to customize the layout without ever toutching the whiteboard.js (take a look at index.html & main.js)
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## All server start parameters (also docker)
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* accesstoken => take a look at "Security - AccessToken" for a full explanation
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* disablesmallestscreen => set this to "true" if you don't want show the "smallest screen" indicator (A dotted gray line) to the users
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* webdav => Enable the function to save to a webdav-server (Must also be enabled on the client; Take a look at the webdav section)
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## ToDo
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* Make undo function more reliable on texts
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## Nginx Reverse Proxy configuration
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Add this to your server part:
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```
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location /whiteboard/ {
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proxy_set_header HOST $host;
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proxy_http_version 1.1;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection upgrade;
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proxy_pass http://YOURIP:8080/;
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}
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```
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To run it at /whiteboard. Don't forget to change -> YOURIP!
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## Nextcloud integration
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1. Install this app on your server
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2. Enable and go to "external sites" (app) on your Nextcloud
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2. Add a link to your server: `https://YOURIP/whiteboard/?whiteboardid=WHITEBOARDNAME&username={uid}`
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You can give each group its own whiteboard by changeing the WHITEBOARDNAME in the URL if you want.
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Note: You might have to serve the app with https (If your nextcloud server runs https). To do so, its recommend to run this app behind a reverse proxy. (as shown above)
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#### (Optional) Set whiteboard icon in nextcloud
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Upload both icons present at /doc/nextcloud_icons/ to your nextcloud at the "external sites" admin section. Then set it as symbol on your link.
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___ MIT License ___
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