feat:allow authentication using proxy request header

[PterX]

description : #836

Due to improper robot settings, my pr was forcibly updated and the pr was not merged properly.

wrong merge: PterX#4

[codecov]

Codecov Report

Attention: Patch coverage is 6.66667% with 84 lines in your changes are missing coverage. Please review.

Project coverage is 30.40%. Comparing base (595cb45) to head (f44354b).
Report is 24 commits behind head on master.

Files	Patch %	Lines
internal/http/middleware/auth.go	13.95%	37 Missing ⚠️
internal/http/middleware/cidrs.go	0.00%	25 Missing ⚠️
internal/webserver/handler.go	0.00%	13 Missing ⚠️
internal/webserver/handler-api.go	0.00%	8 Missing ⚠️
internal/http/server.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #860      +/-   ##
==========================================
+ Coverage   25.58%   30.40%   +4.82%     
==========================================
  Files          47       63      +16     
  Lines        5628     4535    -1093     
==========================================
- Hits         1440     1379      -61     
+ Misses       3989     2934    -1055     
- Partials      199      222      +23     

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[dfeyer]

Love that feature, will make it super nice to integrate behing a Traefik prox with Auth forwarding to Authentik ... thanks for the contribution.

[fmartingr]

Hey @PterX thanks for keeping this up to date, I have not forgotten about it but I had to fix other things first.

Do you think you could add a basic Authelia service to the docker-compose file to ease the testing of this? It's ok if you are not comfortable with that. I'm in the process to set up Authelia in my own environment too so I could get into this once I have that running since this is of interest to me as well.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 6.66667% with 84 lines in your changes missing coverage. Please review.

Project coverage is 34.14%. Comparing base (9aa8332) to head (c5a0784).

Files	Patch %	Lines
internal/http/middleware/auth.go	13.95%	37 Missing ⚠️
internal/http/middleware/cidrs.go	0.00%	25 Missing ⚠️
internal/webserver/handler.go	0.00%	13 Missing ⚠️
internal/webserver/handler-api.go	0.00%	8 Missing ⚠️
internal/http/server.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #860      +/-   ##
==========================================
- Coverage   34.66%   34.14%   -0.52%     
==========================================
  Files          61       62       +1     
  Lines        4050     4129      +79     
==========================================
+ Hits         1404     1410       +6     
- Misses       2424     2497      +73     
  Partials      222      222              

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[fmartingr]

Hey @PterX I see you keep updating with latest master, did you missed this comment I made back in the day? It doesn't have to be authelia but some service to easily test this locally or in e2e tests (#816)