[MS4W-Users] Hide Some Layer Data based on User

[Kombi Mabunda]

Hi guys. I need some help, how can I create heatmap from mapguide when I
have points data shapefile

On Wed, 20 Jan 2021, 02:57 Brent Fraser via MS4W-Users, <
ms4w-users at lists.ms4w.com> wrote:

> Hi Andrew,
>
>   I've solved similar requirements of showing user-specific data by using
> server-side
> scripting like PHP or Python.
>
>   With this method:
>   1. Your login script presents a login page requiring username and
> password.
>   2. The user enters a valid username/password and submits them.
>   3. The scripting validates the username/password and creates a Session
>      variable (e.g. username) to indicate the user is logged in.  Note
> this is
>      only stored on the server side and is available to other scripts of
> the user's Session.
>   4. From the mapping HTML/JavaScript in the browser, map requests are
> sent to a
>       "mapserv.php" script(not the mapserv CGI executable)  which uses the
> Mapserver PHP interface
>   5. The mapserv.php loads the map file, does any needed substitutions
> (e.g. username in a query),
>       requests the mapping data. and passes the result to the client
> browser.
>
>
>  Best Regards,
>  Brent Fraser
>
>
> ------------------------------
> *From*: Andrew T via MS4W-Users <ms4w-users at lists.ms4w.com>
> *Sent*: 1/19/21 8:34 AM
> *To*: "Discussions for MS4W (MapServer for Windows)" <
> ms4w-users at lists.ms4w.com>
> *Cc*: Andrew T <igis at interactivegis.com>
> *Subject*: [MS4W-Users] Hide Some Layer Data based on User
>
> We have some data in a PostGIS database and are using OpenLayers to show
> maps, and mostly using MapServer to create tiled and full images such as
> ImageWMS.  We're open to continuing that or other ideas using PostGIS and
> Openlayers.
>
> We'd like to add user based filters so that "user1" only sees certain
> points and "user2" only sees other points on the same layer.  We can do
> this through filtering results in the PostGIS query with VALIDATION
> <https://mapserver.org/de/mapfile/validation.html> but are concerned
> about the security of passing a user ID or name through the querystring to
> MapServer.
>
> I've looked around and maybe not searched on the right terms for
> alternative ideas, but is the VALIDATION and passing user info the best way
> to go about this, and is it secure?  Or is there a way to better show and
> hide data inside a layer based on the user?
>
> Thanks,
> Andrew
>
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