UpdateFilteredPolicies returns the oldPolicy containing ptype, Is this a bug?

Xorm Adapter

Xorm Adapter is the Xorm adapter for Casbin. With this library, Casbin can load policy from Xorm supported database or save policy to it.

Based on Xorm Drivers Support, The current supported databases are:

Mysql: github.com/go-sql-driver/mysql
MyMysql: github.com/ziutek/mymysql
Postgres: github.com/lib/pq
Tidb: github.com/pingcap/tidb
SQLite: github.com/mattn/go-sqlite3
MsSql: github.com/denisenkom/go-mssqldb
Oracle: github.com/mattn/go-oci8 (experiment)

Installation

go get github.com/casbin/xorm-adapter/v3

Simple MySQL Example

package main

import (
	"github.com/casbin/casbin/v2"
	_ "github.com/go-sql-driver/mysql"

	"github.com/casbin/xorm-adapter/v3"
)

func main() {
	// Initialize a Xorm adapter and use it in a Casbin enforcer:
	// The adapter will use the MySQL database named "casbin".
	// If it doesn't exist, the adapter will create it automatically.
	a, _ := xormadapter.NewAdapter("mysql", "mysql_username:mysql_password@tcp(127.0.0.1:3306)/") // Your driver and data source. 

	// Or you can use an existing DB "abc" like this:
	// The adapter will use the table named "casbin_rule".
	// If it doesn't exist, the adapter will create it automatically.
	// a := xormadapter.NewAdapter("mysql", "mysql_username:mysql_password@tcp(127.0.0.1:3306)/abc", true)

	e, _ := casbin.NewEnforcer("examples/rbac_model.conf", a)
	
	// Load the policy from DB.
	e.LoadPolicy()
	
	// Check the permission.
	e.Enforce("alice", "data1", "read")
	
	// Modify the policy.
	// e.AddPolicy(...)
	// e.RemovePolicy(...)
	
	// Save the policy back to DB.
	e.SavePolicy()
}

Simple Postgres Example

package main

import (
	"github.com/casbin/casbin/v2"
	_ "github.com/lib/pq"

	"github.com/casbin/xorm-adapter/v3"
)

func main() {
	// Initialize a Xorm adapter and use it in a Casbin enforcer:
	// The adapter will use the Postgres database named "casbin".
	// If it doesn't exist, the adapter will create it automatically.
	a, _ := xormadapter.NewAdapter("postgres", "user=postgres_username password=postgres_password host=127.0.0.1 port=5432 sslmode=disable") // Your driver and data source.

	// Or you can use an existing DB "abc" like this:
	// The adapter will use the table named "casbin_rule".
	// If it doesn't exist, the adapter will create it automatically.
	// a := xormadapter.NewAdapter("postgres", "dbname=abc user=postgres_username password=postgres_password host=127.0.0.1 port=5432 sslmode=disable", true)

	e, _ := casbin.NewEnforcer("../examples/rbac_model.conf", a)

	// Load the policy from DB.
	e.LoadPolicy()

	// Check the permission.
	e.Enforce("alice", "data1", "read")

	// Modify the policy.
	// e.AddPolicy(...)
	// e.RemovePolicy(...)

	// Save the policy back to DB.
	e.SavePolicy()
}

Context Adapter

xormadapter supports adapter with context, the following is a timeout control implemented using context

a, _ := xormadapter.NewAdapter("mysql", "mysql_username:mysql_password@tcp(127.0.0.1:3306)/") // Your driver and data source. 
// Limited time 300s
ctx, cancel := context.WithTimeout(context.Background(), 300*time.Microsecond)
defer cancel()
err := a.AddPolicyCtx(ctx, "p", "p", []string{"alice", "data1", "read"})
if err != nil {
    panic(err)
}

Getting Help

Casbin

License

This project is under Apache 2.0 License. See the LICENSE file for the full license text.

	// SavePolicy saves policy to database.
	func (a *Adapter) SavePolicy(model model.Model) error {
	a.dropTable()
	a.createTable()

	var lines []CasbinRule

	for ptype, ast := range model["p"] {
	for _, rule := range ast.Policy {
	line := savePolicyLine(ptype, rule)
	lines = append(lines, line)
	}
	}

	for ptype, ast := range model["g"] {
	for _, rule := range ast.Policy {
	line := savePolicyLine(ptype, rule)
	lines = append(lines, line)
	}
	}

	_, err := a.engine.Insert(&lines)
	return err
	}

	// SavePolicy saves policy to database.
	func (a *Adapter) SavePolicy(model model.Model) error {
	a.dropTable()
	a.createTable()

	var lines []CasbinRule

	for ptype, ast := range model["p"] {
	for _, rule := range ast.Policy {
	line := savePolicyLine(ptype, rule)
	lines = append(lines, line)
	}
	}

	for ptype, ast := range model["g"] {
	for _, rule := range ast.Policy {
	line := savePolicyLine(ptype, rule)
	lines = append(lines, line)
	}
	}

	_, err := a.engine.Insert(&lines)
	return err
	}

	if c.PType != "" {
	policy = append(policy, c.PType)
	}

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xorm-adapter's Introduction

Xorm Adapter

Installation

Simple MySQL Example

Simple Postgres Example

Context Adapter

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