Yes that is very odd!!  maybe it has something to do with it being a string
in quotes?? Regardless congrats and I will most certainly file that away in
the old brain because I have no doubt I will do that very same thing in the
future!!


On Wed, Oct 2, 2019 at 2:01 AM Pietro Abano <[email protected]> wrote:

> Hi Donald,
>
> thank you for your hint: I did not see the IP address there indeed.
> Obviously not good.
>
> So I was gonna try your suggestion (removing the Host $host parameter)
> but then I spotted my own typing error in the
> /etc/nginx/sites-enabled/default file.
> One would think the nginx would not start at all or at least warn me,
> because it checks the configs for syntax errors I guess, it happens all the
> time, but not this simple typo ("Ugrade" instead of "Upgrade"!)
>
> Everything works great now, the wiki is accessible only to clients with
> proper cert and its content is saved and updated accordingly.
>
> You simply made my date by making me go through this one more time.
> In case you'd want to see how it's done with client certs I can provide
> you (or anyone interested) with all the details.
>
> Thanks!
>
> Pietro
>
>
> On Wednesday, October 2, 2019 at 4:56:00 AM UTC+2, Donald Coates wrote:
>>
>> You'll probably get a better answer here but in the mean time: is
>> 192.168.112.110 the address that bob shows in the settings?   On my own
>> setup I do not have proxy_set_header Host $host so I wonder if that is
>> causing the trouble.  I believe that is for standard http connections and
>> not web socket.  If you look here
>> <https://www.nginx.com/blog/websocket-nginx/> you will see that line is
>> not included.  I still have trouble understanding the intricacies of nginx
>> and end up throwing shit against the wall until something sticks.
>>
>> On Tuesday, October 1, 2019 at 11:10:50 AM UTC-4, Pietro Abano wrote:
>>>
>>> Hello everyone,
>>>
>>> I could not find anything related to what I am trying to achieve here so
>>> if it's already covered somewhere please let me know.
>>>
>>> As much as I love Jed's amazing work on *BobWiki* because it changes
>>> the ball game for TW5 completely, allowing to share and work on something
>>> with a team, over a local network, there is one thing that I'm missing -
>>> user authentication.
>>>
>>> In my scenario it is not so much about who the actual individual is,
>>> only that it should be one of the authorized users.
>>> So I thought the client certificate-based authentication would do it. I
>>> set up a reverse proxy using nginx to handle SSL/TLS (for the web server
>>> and the clients) and talking to a local nodejs application on client's
>>> behalf.
>>>
>>> After some reading about nginx and tweaking my nginx configs I am
>>> finally able to access the TW5 on nodejs via https and even authenticate to
>>> it (actually to nginx) with client X.509 certs, but unfortunatelly I hit a
>>> problem:
>>>
>>>    - can't make any changes to TW5/BobWiki over the https.
>>>
>>>
>>> The setup:
>>> the TW5 runs on nodejs at 127.0.0.1:8080
>>> Tiddlywiki version 5.1.21 with Bob version 1.2.4
>>> Serving on 127.0.0.1:8080
>>>
>>> on the same host with IP of 192.168.112.110 there's nginx listening at
>>> 80 or 443 forwarding all traffic to http://127.0.0.1:8080
>>>
>>> It appears the TW5 is not aware of any requests done from the web
>>> client, while direct connection to nodejs works as usual.
>>>
>>> Not being a web developer nor an experienced sysadmin (just a tinker) I
>>> have no clue as to where to look. Is it something with my nginx
>>> configuration, more specifically with websockets? When looking at the data
>>> being tranferred (Chrome, Inspect, Network) e.g. when adding a new tiddler,
>>> I don't see much going on.
>>>
>>> I can see some websocket communication initiated by
>>> $:/plugins/OokTech/Bob/BrowserWebSocketsSetup.js which is different
>>> when I go directly to nodejs - there I can see $:/core/module/saver in
>>> action, while when I use the nginx-proxied access I don't see this at all.
>>>
>>> Another symptom of the behavior is that when two users connect to the
>>> same TW5 on nodejs, they both see any changes done by one of them in almost
>>> real-time without refreshing the page while in ngix-proxied https access no
>>> such on-screen update happens.
>>>
>>> Studying the errors in Chrome I've come up with this which seems
>>> relevant:
>>> $:/plugins/OokTech/Bob/BrowserWebSocketsSetup.js:63 WebSocket connection
>>> to 'wss://192.168.112.110/' failed: Error during WebSocket handshake:
>>> Unexpected response code: 200 (of course without https, this looks like
>>> 'ws://192.168.112.110/')
>>>
>>> Btw, the Firefox's error pinpoints the line in the code (does not say
>>> which source, I assume it's this BrowserWebSocketsSetup.js):
>>> Firefox can’t establish a connection to the server at wss://
>>> 192.168.112.110/. line 11345 > eval:63:48
>>>
>>> This all happens regardless of http or https, it's the same error as
>>> long as nginx is in the middle.
>>>
>>> At various forums I found the solution for that Chrome error and it
>>> looks like a websocket configuration thing in nginx:
>>>
>>>    - from https://github.com/websockets/ws/issues/979
>>>
>>> "*Had the same issue, my app is behind nginx. Making these changes to
>>> my Nginx config removed the error.*
>>>
>>> *location / {*
>>> *proxy_pass http://localhost:8080 <http://localhost:8080>;*
>>> *proxy_http_version 1.1;*
>>> *proxy_set_header Upgrade $http_upgrade;*
>>> *proxy_set_header Connection "upgrade";*
>>> *proxy_set_header Host $host;*
>>> *}*
>>> "
>>>
>>> The same changes did not help in my case, so it must be somewhere else,
>>> maybe in the BobWiki code.
>>>
>>> But that's about all I can do about it so I'd need someone's help.
>>> Is there anyone here who would know where this comes from?
>>>
>>> I can provide him/her with all the configs or even the full VM
>>> (Ubuntu18.04mini) if needed.
>>> But the cert-based authentication seems to be too attractive for me to
>>> let it vanish to oblivion.
>>>
>>> All the best to the community!
>>>
>>> Pietro
>>>
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