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* filters: migrate from luacrypto to luaossl•••luaossl has no upstream anymore and doesn't support OpenSSL 1.1, whereas luaossl is quite active. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2019-01-031-12/+19
* auth-filters: use crypt() in simple-authentication•••There's no use in giving a silly example to folks who will just copy it, so instead try to do something slightly better. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2018-07-151-13/+6
* auth-filters: generate secret securely•••This is much better than having the user generate it themselves. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2018-07-151-8/+42
* auth-filters: do not use HMAC-SHA1•••Though SHA1 is broken, HMAC-SHA1 is still fine. But let's not push our luck; SHA256 is more sensible anyway. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2018-07-141-2/+2
* simple-authentication.lua: tie secure cookies to field namesJason A. Donenfeld2015-03-051-13/+21
* simple-authentication: style•••Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2014-01-231-1/+1
* auth: document tweakables in lua script•••Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2014-01-171-0/+10
* auth: have cgit calculate login address•••This way we're sure to use virtual root, or any other strangeness encountered. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2014-01-161-6/+1
* auth: lua string comparisons are time invariant•••By default, strings are compared by hash, so we can remove this comment. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2014-01-161-2/+2
* authentication: use hidden form instead of referer•••This also gives us some CSRF protection. Note that we make use of the hmac to protect the redirect value. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2014-01-161-79/+121
* auth: add basic authentication filter framework•••This leverages the new lua support. See filters/simple-authentication.lua for explaination of how this works. There is also additional documentation in cgitrc.5.txt. Though this is a cookie-based approach, cgit's caching mechanism is preserved for authenticated pages. Very plugable and extendable depending on user needs. The sample script uses an HMAC-SHA1 based cookie to store the currently logged in user, with an expiration date. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> Jason A. Donenfeld2014-01-161-0/+225