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A fork of Nullpointer that works on Apache and Passenger in a shared hosting environment (tested on Dreamhost and MyW)

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The Null Pointer

This is a no-bullshit file hosting and URL shortening service that also runs mwt.sh. It can be run on a shared hosting provider with Passenger.

Configuration

To change settings, modify instance/config.py. For more information on instance configuration, see the Flask documentation.

My instance/config.py file contains:

FHOST_USE_X_ACCEL_REDIRECT = False
USE_X_SENDFILE = True
NSFW_DETECT = False
SQLALCHEMY_DATABASE_URI = "mysql://USER:PASSWORD@SQL_HOSTNAME/TABLE_NAME"
DIRECTORY = "/home/dh_user/mwt.sh/"

To customize the home and error pages, simply create a templates directory in your instance directory and copy any templates you want to modify there.

If you are running nginx, you should use the X-Accel-Redirect header. To make it work, include this in your nginx config’s server block:

location /up {
    internal;
}

where /up is whatever you’ve configured as FHOST_STORAGE_PATH.

For all other servers, set FHOST_USE_X_ACCEL_REDIRECT to False and USE_X_SENDFILE to True, assuming your server supports this. Apache requires mod_xsendfile to use this feature. Most shared hosts do not provide it by default. Dreamhost will provide it if you open a ticket. If you set both to False, Flask will serve the file with chunked encoding, which sucks and should be avoided at all costs.

To make files expire, simply create a cronjob that runs cleanup.py every now and then.

Before running the service for the first time, run FLASK_APP=fhost flask db upgrade.

Password Protection

This fork features password protection for the POST endpoint. This means the upload is impossible without basic authentication. Accounts are managed from a .htpasswd file. You can create your first user by running:

htpasswd -c -B -b .htpasswd "user1" "password"

Once the file is created, you can append users with:

htpasswd -B -b .htpasswd "user2" "password"

NSFW Detection

0x0 supports classification of NSFW content via Yahoo’s open_nsfw Caffe neural network model. This works for images and video files and requires the following:

  • Caffe Python module (built for Python 3)
  • ffmpegthumbnailer executable in $PATH

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A fork of Nullpointer that works on Apache and Passenger in a shared hosting environment (tested on Dreamhost and MyW)

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  • Python 81.8%
  • HTML 10.5%
  • CSS 7.2%
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