lemonldap-ng/doc/sources/admin/rest2f.rst
2022-06-27 11:06:07 +02:00

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REST Second Factor
==================
This plugin can be used to append a second factor authentication device
like SMS or OTP. It uses an external web service to submit and validate
the second factor.
Configuration
~~~~~~~~~~~~~
All parameters are set in "General Parameters » Portal Parameters »
Second Factors » REST 2nd Factor".
- **Activation**
- **Code regex**: regular expression to create an OTP code. If this option is
set, LemonLDAP::NG will generate the code and send it through the Init URL,
then verify it internally.
- **Init URL** *(optional)*: REST URL to initialize dialog *(send
OTP)*. Leave it blank if your API doesn't need any initialization
- **Init arguments**: list of arguments to send *(see below)*
- **Verify URL** *(required)*: REST URL to verify code
- **Verify arguments**: list of arguments to send *(see below)*
- **Re-send interval**: Set this to a non-empty value to allow the user to
re-send the code in case a transmission error occured. The value sets how
many seconds the user has to wait before each attempt
- **Authentication level** (Optional): if you want to overwrite the
value sent by your authentication module, you can define here the new
authentication level. Example: 5
- **Label** (Optional): label that should be displayed to the user on
the choice screen
- **Logo** (Optional): logo file *(in static/<skin> directory)*
Arguments
---------
Arguments are a list of key/value. Key is the name of JSON entry, value
is attribute or macro name.
REST Dialog
-----------
REST web services have just to reply with a "result" key in a JSON file.
Auth/UserDB can add an "info" array. It will be stored in session data
(without reading "Exported variables").
If *Code regex* is set
~~~~~~~~~~~~~~~~~~~~~~
========== ================================================ ====================================
URL Query Response
========== ================================================ ====================================
Init URL JSON body: ``{"user":$user,"code":"$code",...}`` JSON body: ``{"result":true/false}``
========== ================================================ ====================================
The Verify URL is not called, since the code is checked against the internally saved value
If *Code regex* is not set
~~~~~~~~~~~~~~~~~~~~~~~~~~
========== ================================================ ====================================
URL Query Response
========== ================================================ ====================================
Init URL JSON body: ``{"user":$user,...}`` JSON body: ``{"result":true/false}``
Verify URL JSON body: ``{"user":$user,"code":"$code",...}`` JSON body: ``{"result":true/false}``
========== ================================================ ====================================