feat: automatically sanitise usernames on create/update (#689)

* feat: automatically sanitise usernames on create/update

Signed-off-by: higgs01 <6546697+higgs01@users.noreply.github.com>

* test: add tests for validation and sanitasion

Signed-off-by: higgs01 <6546697+higgs01@users.noreply.github.com>

* fix: Return only the sanitised string in sanitise_username (#424)

* fix: Use as_str for role.id in insert_role
* Run rustfmt for code changes

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* feat: Make minimum username length configurable in Revolt.toml (#424)

* fix: Remove redundant call to is_match with blocked username regex

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* Update crates/core/database/src/models/users/model.rs

Co-authored-by: Tom <iamtomahawkx@gmail.com>
Signed-off-by: jarvarvarvis <53998846+jarvarvarvis@users.noreply.github.com>

* Update crates/core/database/src/models/users/model.rs

Co-authored-by: Tom <iamtomahawkx@gmail.com>
Signed-off-by: jarvarvarvis <53998846+jarvarvarvis@users.noreply.github.com>

* Update crates/core/database/src/models/users/model.rs

Co-authored-by: Tom <iamtomahawkx@gmail.com>
Signed-off-by: jarvarvarvis <53998846+jarvarvarvis@users.noreply.github.com>

* Update crates/core/database/src/models/users/model.rs

Co-authored-by: Tom <iamtomahawkx@gmail.com>
Signed-off-by: jarvarvarvis <53998846+jarvarvarvis@users.noreply.github.com>

* fix: Implement suggested changes and clean up last 4 commits

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* fix: Disallow stoat as username, update create_user test

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* fix: Use sanitised username to find updated discriminator

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* feat: Sanitise revolt.chat in username

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* fix: Implement discussed changes

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* test: Fix create_user test

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

* fix: don't overflow the stack
not entirely sure why this fixes it and I don't like it. But work it does.

Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>

* fix: revert odd file mode change

Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>

---------

Signed-off-by: higgs01 <6546697+higgs01@users.noreply.github.com>
Signed-off-by: jarvarvarvis <jarvistrigo@gmail.com>
Signed-off-by: jarvarvarvis <53998846+jarvarvarvis@users.noreply.github.com>
Signed-off-by: IAmTomahawkx <iamtomahawkx@gmail.com>
Co-authored-by: higgs01 <6546697+higgs01@users.noreply.github.com>
Co-authored-by: Tom <iamtomahawkx@gmail.com>

crates/core/config/Revolt.toml

@@ -78,6 +78,8 @@ call_ring_duration = 30
 [api.livekit.nodes]
 
 [api.users]
+# Minimum allowed length of usernames
+min_username_length = 2
 
 [pushd]
 # this changes the names of the queues to not overlap 

crates/core/config/src/lib.rs

@@ -231,6 +231,7 @@ pub struct LiveKitNode {
 #[derive(Deserialize, Debug, Clone)]
 pub struct ApiUsers {
     pub early_adopter_cutoff: Option<u64>,
+    pub min_username_length: usize,
 }
 
 #[derive(Deserialize, Debug, Clone)]