This section introduces methods on a Connection object for managing access to the instance and graphsets within it, including privileges, policies and users.

Each example focuses solely on the method's usage. For a complete code example, please refer to the full example.

Privilege

ShowPrivilege()

Retrieves all system privileges and graph privileges, which are actually UQL command names categorized based on their operation scope.

Parameters:

• RequestConfig (Optional): Configuration settings for the request.

Returns:

• List<Privilege>: All system privileges and graph privileges.

// Retrieves all system privileges and graph privileges

var res = await ultipa.ShowPrivilege();
var graphL = new List<string>();
var systemL = new List<string>();
foreach (var item in res)
{
    if (item.Level == 0)
    {
        graphL.Add(item.Name);
    }
    else
    {
        systemL.Add(item.Name);
    }
}
Console.WriteLine("Graph privileges: ");
Console.WriteLine(JsonConvert.SerializeObject(graphL));
Console.WriteLine("System privileges: ");
Console.WriteLine(JsonConvert.SerializeObject(systemL));

Graph privileges:
["TEMPLATE","KHOP","AB","SPREAD","AUTONET","FIND","FIND_NODE","FIND_EDGE","INSERT","EXPORT","UPSERT","UPDATE","DELETE","DELETE_NODE","DELETE_EDGE","CREATE_SCHEMA","DROP_SCHEMA","ALTER_SCHEMA","SHOW_SCHEMA","CREATE_TRIGGER","DROP_TRIGGER","SHOW_TRIGGER","CREATE_BACKUP","RESTORE_BACKUP","SHOW_BACKUP","CREATE_PROPERTY","DROP_PROPERTY","ALTER_PROPERTY","SHOW_PROPERTY","CREATE_FULLTEXT","DROP_FULLTEXT","SHOW_FULLTEXT","CREATE_INDEX","DROP_INDEX","SHOW_INDEX","LTE","UFE","CLEAR_TASK","STOP_TASK","PAUSE_TASK","RESUME_TASK","SHOW_TASK","ALGO","SHOW_ALGO"]
System privileges:
["TRUNCATE","COMPACT","CREATE_GRAPH","SHOW_GRAPH","DROP_GRAPH","ALTER_GRAPH","MOUNT_GRAPH","UNMOUNT_GRAPH","TOP","KILL","STAT","SHOW_POLICY","CREATE_POLICY","DROP_POLICY","ALTER_POLICY","SHOW_USER","CREATE_USER","DROP_USER","ALTER_USER","GRANT","REVOKE","SHOW_PRIVILEGE"]

Policy

ShowPolicy()

Retrieves all policies from the instance. A policy includes system privileges, graph privileges, property privileges and other policies.

Parameters:

• RequestConfig (Optional): Configuration settings for the request.

Returns:

• List<Policy>: The list of all policies in the instance.

// Retrieves all policies and prints their information

var res = await ultipa.ShowPolicy();
foreach (var item in res)
{
    Console.WriteLine($"Policy '{item.Name}' include:");
    Console.WriteLine(
        "- System privileges: " + JsonConvert.SerializeObject(item.SystemPrivileges)
    );
    Console.WriteLine(
        "- Graph privileges: " + JsonConvert.SerializeObject(item.GraphPrivileges)
    );
    Console.WriteLine(
        "- Property privileges:" + JsonConvert.SerializeObject(item.PropertyPrivileges)
    );
    Console.WriteLine("- Policies:" + JsonConvert.SerializeObject(item.SubPolicies));
}

Policy 'operator' include:
- System privileges: ["MOUNT_GRAPH","TRUNCATE","SHOW_GRAPH"]
- Graph privileges: {"miniCircle":["UPDATE","INSERT","TEMPLATE","UPSERT","AUTONET"]}
- Property privileges:{"node":{"read":[["*","*","*"]],"write":[["*","*","*"],["miniCircle","account","*"]],"deny":[]},"edge":{"read":[["*","*","*"]],"write":[["*","*","*"]],"deny":[]}}
- Policies:[]
Policy 'manager' include:
- System privileges: ["DROP_POLICY","COMPACT"]
- Graph privileges: {"*":["CREATE_INDEX","DROP_TRIGGER","CREATE_FULLTEXT"]}
- Property privileges:{"node":{"read":[["*","*","*"]],"write":[["*","*","*"]],"deny":[]},"edge":{"read":[["*","*","*"]],"write":[["*","*","*"]],"deny":[]}}
- Policies:["operator"]

GetPolicy()

Retrieves a policy from the instance by its name.

Parameters:

• string: Name of the policy.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Policy: The retrieved policy.

// Retrieves a policy 'operator' and prints its information

var res = await ultipa.GetPolicy("operator");
Console.WriteLine("Policy 'operator' includes:");
Console.WriteLine(
    "- System privileges: " + JsonConvert.SerializeObject(res.SystemPrivileges)
);
Console.WriteLine(
    "- Graph privileges: " + JsonConvert.SerializeObject(res.GraphPrivileges)
);
Console.WriteLine(
    "- Property privileges: " + JsonConvert.SerializeObject(res.PropertyPrivileges)
);
Console.WriteLine("- Policies: " + JsonConvert.SerializeObject(res.SubPolicies));

Policy 'operator' includes:
- System privileges: ["MOUNT_GRAPH","TRUNCATE","SHOW_GRAPH"]
- Graph privileges: {"miniCircle":["UPDATE","INSERT","TEMPLATE","UPSERT","AUTONET"]}
- Property privileges: {"node":{"read":[["*","*","*"]],"write":[["*","*","*"],["miniCircle","account","*"]],"deny":[]},"edge":{"read":[["*","*","*"]],"write":[["*","*","*"]],"deny":[]}}
- Policies: []

CreatePolicy()

Creates a policy in the instance.

Parameters:

• Policy: The policy to be altered;the field Name must be set, SystemPrivileges, GraphPrivileges, PropertyPrivileges and Policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Creates a new policy 'sales' and then retrieves it

Policy policy = new Policy()
{
    Name = "sales",
    
    // System privileges
    SystemPrivileges = new List<string> { "SHOW_GRAPH", "TRUNCATE" },
    
    // Graph privileges
    GraphPrivileges = new()
    {
        {
            "miniCircle",
            new List<string>
            {
                "SHOW_ALGO",
                "ALGO",
                "RESUME_TASK",
                "UFE",
                "CREATE_PROPERTY",
            }
        },
        {
            "lcc",
            new List<string> { "UPDATE", "INSERT", "DELETE", "UPSERT" }
        },
    },

    //Property privileges
    PropertyPrivileges = new PropertyPrivilegeMap()
    {
        NodePrivileges = new PropertyPrivilegeMapItem()
        {
            Read = new List<List<string>>()
            {
                new() { "miniCircle", "account", "*" },
                new() { "miniCircle", "movie", "name" },
            },
            Write = new List<List<string>>()
            {
                new() { "lcc", "*", "*" },
            },
            Deny = new List<List<string>>(),
        },
    },

    // Policies
    SubPolicies = new List<string> { "manager", "operator" },
};

var newPol = await ultipa.CreatePolicy(policy);

// Prints the newly created policy 'sales' 

var res = await ultipa.GetPolicy("sales");
Console.WriteLine($"Policy '{res.Name}' includes:");
Console.WriteLine(
    "- System privileges: " + JsonConvert.SerializeObject(res.SystemPrivileges)
);
Console.WriteLine(
    "- Graph privileges: " + JsonConvert.SerializeObject(res.GraphPrivileges)
);
Console.WriteLine(
    "- Property privileges: " + JsonConvert.SerializeObject(res.PropertyPrivileges)
);
Console.WriteLine("- Policies: " + JsonConvert.SerializeObject(res.SubPolicies));

Policy 'sales' includes:
- System privileges: ["SHOW_GRAPH","TRUNCATE"]
- Graph privileges: {"miniCircle":["SHOW_ALGO","ALGO","RESUME_TASK","CREATE_PROPERTY","UFE"],"lcc":["UPDATE","INSERT","DELETE","UPSERT"]}
- Property privileges: {"node":{"read":[["*","*","*"],["miniCircle","account","*"],["miniCircle","movie","name"]],"write":[["*","*","*"],["lcc","*","*"]],"deny":[]},"edge":{"read":[["*","*","*"],["*","*","*"]],"write":[["*","*","*"],["*","*","*"]],"deny":[]}}
- Policies: ["manager","operator"]

AlterPolicy()

Alters the system privileges, graph privileges, property privileges and policies of one existing policy in the instance by its name.

Parameters:

• Policy: The policy to be altered;the field Name must be set, SystemPrivileges, GraphPrivileges, PropertyPrivileges and Policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Alters the policy 'sales' and then retrieves it

Policy policy = new Policy()
{
    Name = "sales",
    SystemPrivileges = new List<string> { "SHOW_GRAPH" },
    GraphPrivileges = new()
    {
        {
            "miniCircle",
            new List<string> { "FIND" }
        },
        {
            "lcc",
            new List<string> { "UPDATE" }
        },
    },
    SubPolicies = new List<string> { "operator" },
}

var alterPol = await ultipa.AlterPolicy(policy);
Console.WriteLine(alterPol.Status.ErrorCode);

var res = await ultipa.GetPolicy("sales");
Console.WriteLine($"Policy '{res.Name}' includes:");
Console.WriteLine(
    "- System privileges: " + JsonConvert.SerializeObject(res.SystemPrivileges)
);
Console.WriteLine(
    "- Graph privileges: " + JsonConvert.SerializeObject(res.GraphPrivileges)
);
Console.WriteLine(
    "- Property privileges: " + JsonConvert.SerializeObject(res.PropertyPrivileges)
);
Console.WriteLine("- Policies: " + JsonConvert.SerializeObject(res.SubPolicies));

Success
Policy 'sales' includes:
- System privileges: ["SHOW_GRAPH"]
- Graph privileges: {"miniCircle":["FIND"],"lcc":["UPDATE"]}
- Property privileges: {"node":{"read":[["*","*","*"],["*","*","*"]],"write":[["*","*","*"],["*","*","*"]],"deny":[]},"edge":{"read":[["*","*","*"],["*","*","*"]],"write":[["*","*","*"],["*","*","*"]],"deny":[]}}
- Policies: ["operator"]

DropPolicy()

Drops one policy from the instance by its name.

Parameters:

• string: Name of the policy.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Drops the policy 'sales' and prints error code

var res = await ultipa.DropPolicy("sales");
Console.WriteLine(res.Status.ErrorCode);

Success

User

ShowUser()

Retrieves all database users from the instance.

Parameters:

• RequestConfig (Optional): Configuration settings for the request.

Returns:

• List<User>: The list of all users in the instance.

// Retrieves all users and prints information of the first returned

var res = await ultipa.ShowUser();
Console.WriteLine("Username: " + res[0].Username);
Console.WriteLine("Created on: " + res[0].CreatedTime);
Console.WriteLine(
    "System privileges: " + JsonConvert.SerializeObject(res[0].SystemPrivileges)
);
Console.WriteLine(
    "Graph privileges: " + JsonConvert.SerializeObject(res[0].GraphPrivileges)
);
Console.WriteLine(
    "Property privileges: " + JsonConvert.SerializeObject(res[0].GraphPrivileges)
);
Console.WriteLine("Policies: " + JsonConvert.SerializeObject(res[0].Policies));

Username: test006
Created on: 9/1/2023 6:37:56 AM
System privileges: ["SHOW_PRIVILEGE","ALTER_USER","DROP_USER","CREATE_USER","SHOW_GRAPH","ALTER_GRAPH","DROP_GRAPH","COMPACT","MOUNT_GRAPH","TOP","CREATE_GRAPH","STAT","UNMOUNT_GRAPH","SHOW_POLICY","TRUNCATE","KILL","ALTER_POLICY","CREATE_POLICY","DROP_POLICY","SHOW_USER"]
Graph privileges: {}
Property privileges: {}
Policies: ["operator"]

GetUser()

Retrieves a database user from the instance by its username.

Parameters:

• string: Username.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• User: The retrieved user.

// Retrieves user 'test005' and prints its information

var res = await ultipa.GetUser("test005");
Console.WriteLine("Username: " + res.Username);
Console.WriteLine("Created on: " + res.CreatedTime);
Console.WriteLine(
    "System privileges: " + JsonConvert.SerializeObject(res.SystemPrivileges)
);
Console.WriteLine("Graph privileges: " + JsonConvert.SerializeObject(res.GraphPrivileges));
Console.WriteLine(
    "Property privileges: " + JsonConvert.SerializeObject(res.GraphPrivileges)
);
Console.WriteLine("Policies: " + JsonConvert.SerializeObject(res.Policies));

Username: test005
Created on: 8/31/2023 9:15:59 AM
System privileges: ["SHOW_PRIVILEGE","ALTER_USER","DROP_USER","CREATE_USER","SHOW_GRAPH","ALTER_GRAPH","DROP_GRAPH","COMPACT","MOUNT_GRAPH","TOP","CREATE_GRAPH","STAT","UNMOUNT_GRAPH","SHOW_POLICY","TRUNCATE","KILL","ALTER_POLICY","CREATE_POLICY","DROP_POLICY","SHOW_USER"]
Graph privileges: {}
Property privileges: {}
Policies: ["operator"]

CreateUser()

Creates a database user in the instance.

Parameters:

• User: The user to be created; the fields Username and Password must be set, SystemPrivilegess, GraphPrivileges, PropertyPrivileges and Policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Creates a new user 'CSharpUser' and prints error code
User newUser = new User()
{
    Username = "CSharpUser",
    Password = "Password",
    Privileges = new Policy()
    {
        GraphPrivileges = new()
        {
            {
                "miniCircle",
                new List<string>
                {
                    "SHOW_ALGO",
                    "ALGO",
                    "RESUME_TASK",
                    "UFE",
                    "CREATE_PROPERTY",
                }
            },
        },
        SystemPrivileges = new() { "SHOW_GRAPH", "TRUNCATE" },
        PropertyPrivileges = new PropertyPrivilegeMap()
        {
            NodePrivileges = new PropertyPrivilegeMapItem()
            {
                Read = new List<List<string>>()
                {
                    new() { "miniCircle", "account", "*" },
                    new() { "miniCircle", "movie", "name" },
                },
                Write = new List<List<string>>()
                {
                    new() { "lcc", "*", "*" },
                },
                Deny = new List<List<string>>(),
            },
        },
        SubPolicies = new() { "manager", "operator" },
    },
};

Success

AlterUser()

Alters the password, system privileges, graph privileges, property privileges and policies of one existing database user in the instance by its username.

Parameters:

• User: The user to be altered; the field Username must be set, Password, SystemPrivilegess, GraphPrivileges, PropertyPrivileges and Policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Alters the user 'CSharpUser' and prints error code
User newUser = new User()
{
    Username = "CSharpUser",
    Password = "Password123",
    Privileges = new Policy()
    {
        GraphPrivileges = new()
        {
            {
                "miniCircle",
                new() { "FIND" }
            },
            {
                "lcc",
                new() { "UPDATE" }
            },
        },
        SystemPrivileges = new() { "SHOW_GRAPH" },
        SubPolicies = new() { "operator" },
    },
};

var res = await ultipa.AlterUser(newUser);
Console.WriteLine(res.Status.ErrorCode);

Success

DropUser()

Drops one database user from the instance by its username.

Parameters:

• string: Username.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Drops the user 'CSharpUser' and prints error code

var res = await ultipa.DropUser("CSharpUser");
Console.WriteLine(res.Status.ErrorCode);

Success

GrantPolicy()

Grants policies to a database user in the instance.

Parameters:

• string: Username.
• List<string>: Policies to grant.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

// Grants policies 'operator' and 'manager' to user 'johndoe' and prints error code
var res = await ultipa.GrantPolicy("johndoe", policies: new() { "operator", "manager" });
Console.WriteLine(res.Status.ErrorCode);

Success

RevokePolicy()

Revokes policies from a database user in the instance.

Parameters:

• string: Username.
• List<string>: Policies to revoke.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• UqlResponse: Result of the request.

var res = await ultipa.RevokePolicy("johndoe", policies: new() { "operator", "manager" });
Console.WriteLine(res.Status.ErrorCode);

Success

Full Example

using System.Data;
using System.Security.Cryptography.X509Certificates;
using System.Xml.Linq;
using Google.Protobuf.WellKnownTypes;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using UltipaService;
using UltipaSharp;
using UltipaSharp.api;
using UltipaSharp.configuration;
using UltipaSharp.connection;
using UltipaSharp.exceptions;
using UltipaSharp.structs;
using UltipaSharp.utils;
using Logger = UltipaSharp.utils.Logger;
using Property = UltipaSharp.structs.Property;
using Schema = UltipaSharp.structs.Schema;

class Program
{
    static async Task Main(string[] args)
    {
        // Connection configurations
        //URI example: Hosts=new[]{"mqj4zouys.us-east-1.cloud.ultipa.com:60010"}
        var myconfig = new UltipaConfig()
        {
            Hosts = new[] { "192.168.1.85:60061", "192.168.1.86:60061", "192.168.1.87:60061" },
            Username = "***",
            Password = "***",
        };

        // Establishes connection to the database
        var ultipa = new Ultipa(myconfig);
        var isSuccess = ultipa.Test();
        Console.WriteLine(isSuccess);

        // Request configurations
        RequestConfig requestConfig = new RequestConfig()
        {
            UseMaster = true,
            Graph = "miniCircle",
        };


        // Retrieves all policies and prints their information
        var res = await ultipa.ShowPolicy();
        foreach (var item in res)
        {
            Console.WriteLine($"Policy '{item.Name}' include:");
            Console.WriteLine(
                "- System privileges: " + JsonConvert.SerializeObject(item.SystemPrivileges)
            );
            Console.WriteLine(
                "- Graph privileges: " + JsonConvert.SerializeObject(item.GraphPrivileges)
            );
            Console.WriteLine(
                "- Property privileges:" + JsonConvert.SerializeObject(item.PropertyPrivileges)
            );
            Console.WriteLine("- Policies:" + JsonConvert.SerializeObject(item.SubPolicies));
        }
      
    }
}