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feat: Add casbin as AuthZ provider option #908

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Merged
ayushjain17 merged 9 commits into from
Mar 11, 2026
Merged

feat: Add casbin as AuthZ provider option #908

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20f7601
feat: introduce Casbin as AuthZ provider option
ayushjain17 Mar 9, 2026
dfbf066
fix: some fixes
ayushjain17 Mar 10, 2026
eb59ce7
chore: addressing comments
ayushjain17 Mar 10, 2026
84a5a29
chore: addressing comments
ayushjain17 Mar 10, 2026
dc9f4df
fix: adding non empty check
ayushjain17 Mar 10, 2026
572d3b6
chore: addressing comments
ayushjain17 Mar 10, 2026
f6da953
chore: addressing comments
ayushjain17 Mar 10, 2026
d5e7e7c
chore: addressing comments
ayushjain17 Mar 10, 2026
a0820db
chore: addressing comments
ayushjain17 Mar 10, 2026
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15 changes: 13 additions & 2 deletions .env.example
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
DATABASE_URL=postgres://postgres:docker@localhost:5432/config?sslmode=disable # Sample format (unused ENV variable)
PORT=8080
# CASBIN_DATABASE_URL=postgres://postgres:docker@localhost:5432/config?sslmode=disable # Sample format (unused ENV variable)
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@coderabbitai coderabbitai Bot Mar 10, 2026

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⚠️ Potential issue | 🟡 Minor

🧩 Analysis chain

🏁 Script executed:

#!/bin/bash
set -euo pipefail

rg -n --hidden \
  -g '!**/node_modules/**' \
  -g '!**/dist/**' \
  -g '!**/target/**' \
  '\bCASBIN_DATABASE_URL\b|\bCASBIN_DB_(USER|PASSWORD|HOST|NAME|POOL_SIZE)\b|\bCASBIN_POLICY_REFRESH_INTERVAL\b|\bROOT_ADMIN_EMAIL\b'

Repository: juspay/superposition

Length of output: 1032

🏁 Script executed:

sed -n '375,450p' crates/service_utils/src/middlewares/auth_z/casbin.rs

Repository: juspay/superposition

Length of output: 2608

🏁 Script executed:

rg -n 'fn get_database_url' crates/service_utils/src/middlewares/auth_z/

Repository: juspay/superposition

Length of output: 46

🏁 Script executed:

rg -n 'fn get_database_url' --type rust

Repository: juspay/superposition

Length of output: 134

🏁 Script executed:

sed -n '36,100p' crates/service_utils/src/db/utils.rs

Repository: juspay/superposition

Length of output: 1516

Remove CASBIN_DATABASE_URL from line 3.

The code uses individual CASBIN_DB_USER, CASBIN_DB_PASSWORD, CASBIN_DB_HOST, and CASBIN_DB_NAME environment variables (constructed via get_database_url() in crates/service_utils/src/db/utils.rs). CASBIN_DATABASE_URL has no consumers in the codebase and is already labeled as unused; remove it to prevent deployment confusion.

🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In @.env.example at line 3, Remove the unused CASBIN_DATABASE_URL entry from the
example env file to avoid confusion; update .env.example by deleting the
commented CASBIN_DATABASE_URL line and ensure consumers rely on the individual
vars CASBIN_DB_USER, CASBIN_DB_PASSWORD, CASBIN_DB_HOST, and CASBIN_DB_NAME (as
used by get_database_url() in crates/service_utils/src/db/utils.rs).

RUST_LOG=debug
AWS_ACCESS_KEY_ID=test
AWS_SECRET_ACCESS_KEY=test
Expand Down Expand Up @@ -36,6 +37,15 @@ AUTH_PROVIDER=DISABLED
# OIDC_ORG_TOKEN_ENDPOINT_FORMAT="http://localhost:8081/realms/<organisation>/protocol/openid-connect/token"
# OIDC_ORG_ISSUER_ENDPOINT_FORMAT="http://localhost:8081/realms/<organisation>"
AUTH_Z_PROVIDER=DISABLED
### Env(s) for Casbin AuthZ
# AUTH_Z_PROVIDER=CASBIN
# CASBIN_DB_USER=postgres
# CASBIN_DB_PASSWORD=docker
# CASBIN_DB_HOST=localhost:5432
# CASBIN_DB_NAME=config
# CASBIN_DB_POOL_SIZE=3
# CASBIN_POLICY_REFRESH_INTERVAL=60 # in seconds, default is 60 seconds
# ROOT_ADMIN_EMAIL=user@superposition.io
Comment on lines +40 to +48
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@Datron Datron Mar 10, 2026

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Need a follow up PR documenting the casbin setup in docusaurus

WORKER_ID=1
# MASTER_ENCRYPTION_KEY - add this for enabling secrets in local
REDIS_URL="http://localhost:6379"
Expand All @@ -50,7 +60,8 @@ REDIS_KEY_TTL=604800
#
# DB_PASSWORD
# SUPERPOSITION_TOKEN
# OIDC_CLIENT_SECRET - if using OIDC as auth provider
# OIDC_CLIENT_SECRET - if using OIDC as authn provider
# CASBIN_DB_PASSWORD - if using CASBIN as authz provider
# MASTER_ENCRYPTION_KEY - for using secrets
# PREVIOUS_MASTER_ENCRYPTION_KEY - needed for rotating secrets
#
Expand All @@ -59,4 +70,4 @@ REDIS_KEY_TTL=604800
#
## for local development, they already have a default value,
## to override, you can set them directly in .env file
#################################################
#################################################
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