[shadowcpy]

refactor!: move auth state, auth middleware and the admin app into their own modules

Prepares the auth refactor by moving auth-related modules:

• the authentication state (Auth) moves to cot::auth::state,
• the authentication middleware moves to cot::middleware::auth,
• the admin app moves to cot::admin::app,
• cot::auth::db is renamed to cot::auth::user_pass (including its migrations), as it will hold the username/password backend.

BREAKING CHANGE: cot::auth::db is now cot::auth::user_pass.

Related issue or discussion

Related to the Auth Refactor, see #634

Description

Moves auth-related modules to more sensible places, this is done primarly to avoid tons of conditional db gates since the refactored auth system will require the db feature to be enabled.

Type of change

• Bug fix
• New feature
• Documentation
• Refactor / cleanup
• Performance improvement
• Other (describe above)

Checklist

• I've read the contributing guide
• Tests pass locally (just test-all)
• Code passes clippy (just clippy)
• Code is properly formatted (cargo fmt)
• New tests added (regression test for bugs, coverage for new features)
• Documentation (both code and site) updated (if applicable)

[codecov]

Codecov Report

❌ Patch coverage is 79.04192% with 105 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
cot/src/admin/app.rs	70.98%	53 Missing and 21 partials ⚠️
cot/src/auth/state.rs	87.14%	5 Missing and 13 partials ⚠️
cot/src/middleware/auth.rs	89.23%	5 Missing and 2 partials ⚠️
cot/src/auth.rs	85.00%	0 Missing and 6 partials ⚠️

Flag	Coverage Δ
rust	91.08% <79.04%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
cot/src/admin.rs	80.48% <ø> (+8.19%)	⬆️
cot/src/auth/user_pass.rs	82.91% <ø> (ø)
cot/src/config.rs	94.63% <ø> (ø)
cot/src/db/migrations/graph_export.rs	96.40% <ø> (ø)
cot/src/middleware.rs	95.20% <ø> (+1.23%)	⬆️
cot/src/project.rs	87.29% <ø> (ø)
cot/src/request/extractors.rs	89.28% <ø> (-0.94%)	⬇️
cot/src/test.rs	85.11% <100.00%> (ø)
cot/src/auth.rs	92.41% <85.00%> (+1.40%)	⬆️
cot/src/middleware/auth.rs	89.23% <89.23%> (ø)
... and 2 more

... and 1 file with indirect coverage changes

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