django-link-shortener

django-link-shortener is a simple time and usage sensitive url shortening app.

Uses A-Za-z0-9 with the exception of I, i and 1.

Requires user to be logged in for link creation.

Usage

1. pip install django-link-shortener

2. Add "shortener" to your INSTALLED_APPS setting like this:

   INSTALLED_APPS = [
       ...
       'shortener',
   ]
   

3. Include the polls URLconf in your project urls.py like this:

   path('s/', include('shortener.urls')),
   

4. Run python manage.py migrate to create the shortener models.

Testing

1. Add the following to settings

` SHORTENER_ENABLE_TEST_PATH = True `

1. Start the development server and visit http://127.0.0.1:8000/s/test/<My-URL-HERE> to create a test shortcode.

   or

   Use shortener.create(user, link) to generate a link via code. Use shortener.expand(link) to revert

6. Visit http://127.0.0.1:8000/s/<shortcode>/ to be redirected

Configuration Options

Place in settings.py. Each setting be overridden on a per-user basis using the admin UrlProfile section

SHORTENER_ENABLED

Default: True

Controls whether users without a shortener profile can create shortlinks.

SHORTENER_MAX_URLS

Default: -1

Controls the default maximum limit of generated urls per account. -1 sets infinite.

SHORTENER_MAX_CONCURRENT

Default: -1

Controls the default maximum limit of concurrent (active) generated urls per account. -1 sets infinite

SHORTENER_LIFESPAN

Default: -1

Sets the default lifespan of links in seconds -1 sets infinite

SHORTENER_MAX_USES

Default: -1

Sets the default amount of times a link can be followed -1 sets infinite

SHORTENER_LENGTH

Default: 5

Note: Omitted from UrlProfile

Sets how many digits should be used for links. Tries up to three times to generate a unique shortcode where Each failure will result in length temporaily being increased by 1.

SHORTENER_ENABLE_TEST_PATH

Default: False

If true, creates shortlinks for logged in users at s/test/<<url>>/

The response is the shortcode to use used at s/<<shortcode>>

Common Use Cases

goo.gl type usage (default). Unlimited concurrent links for an unlimited length of time

SHORTENER_ENABLED = True
SHORTENER_MAX_URLS = -1
SHORTENER_MAX_CONCURRENT = -1
SHORTENER_LIFESPAN = -1
SHORTENER_MAX_USES = -1

Internal temporary link usage (such as on nodeferret.com). 100 Temp links per minute. 1 usage per link.

SHORTENER_ENABLED = True
SHORTENER_MAX_URLS = -1
SHORTENER_MAX_CONCURRENT = 100 # To prevent spamming
SHORTENER_LIFESPAN = 600
SHORTENER_MAX_USES = 1

Changelog

v0.4

• Allow null values in UrlProfile; null fields will use global values
• str representation of UrlProfile in admin
• add user to str representation of UrlMap
• removed 256 char limit on full_url (Credit: Khaeshah)

Upgrade Instructions

0.3 -> 0.4

pip install django-link-shortener==0.4
python manage.py migrate