fpWeb and sessions
lazarus / 38-Networking and Web Programming

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krolikbest · 2023-04-17 19:43

Hi,
I would like to ask if is it current and proper way to use session
like described in this topic: https://forum.lazarus.freepascal.org/ind
ex.php/topic,43256.msg302446.html#msg302446 ?

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Leledumbo · 2023-04-19 10:00

Just checked, the last attachement still works as expected, so yes.

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krolikbest · 2023-04-19 18:09

Thanks for checking. In the meantime, I realized my own idea for the
sessions. In a nutshell, it involves using some sort of list, such as
TStringList. There are stored so called session names (generated via
Random procedure) when a new client (browser) logs into my http
server. In few days I should show on my youtube some experiments with
fphttpserver, pas2js, Raspberry Pi and esp8266

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egsuh · 2023-04-20 04:22

HTTP Server may use TStringList for session management. But it's not
portable to CGI model. Anyway I'm interested in your example.

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Leledumbo · 2023-04-20 08:39

The backend could be anything. Really the only connection a session
has is its key cookie. Like egsuh said, though, TStringList won't
survive one shot execution model employed by CGIs. Unless, you
(Save|Load)FromFile accordingly. I usually just use Redis for session,
as it has built-in expiration mechanism fully user controllable from
query.

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krolikbest · 2023-04-20 10:52

My solution is standalone httpserver working on Raspberry Pi. still I
have some minor issues to configure RPi for working in to wifi subnets
(RPi has two interfaces). One wifi is for working in range of my main
home router, and second subnet is for working between RPi and few
esp8266. Describing my problem with configuration of RPi is boring to
read but i'm making some progress