1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* Copyright (c) 2024 Vaughn Nugent
*
* Library: VNLib
* Package: VNLib.Plugins.Extensions.Loading.Sql.SQLServer
* File: SQLServerExport.cs
*
* SQLServerExport.cs is part of VNLib.Plugins.Extensions.Loading.Sql.SQLServer which
* is part of the larger VNLib collection of libraries and utilities.
*
* VNLib.Plugins.Extensions.Loading.Sql is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* VNLib.Plugins.Extensions.Loading.Sql is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see https://www.gnu.org/licenses/.
*/
using System;
using System.Text.Json;
using System.Data.Common;
using System.Threading.Tasks;
using Microsoft.Data.SqlClient;
using Microsoft.EntityFrameworkCore;
using VNLib.Utils.Logging;
using VNLib.Plugins.Extensions.Loading;
namespace VNLib.Plugins.Extensions.Sql
{
[ServiceExport]
[ConfigurationName("sql", Required = true)]
public sealed class SqlServerExport(PluginBase plugin, IConfigScope config)
{
private async Task<string> BuildConnStringAsync()
{
//See if the user suggested a raw connection string
if (config.TryGetProperty("connection_string", ps => ps.GetString(), out string? conString))
{
return conString!;
}
else if (config.TryGetValue("json", out JsonElement value))
{
JsonSerializerOptions opt = new(JsonSerializerDefaults.General)
{
AllowTrailingCommas = true,
IgnoreReadOnlyFields = true,
DictionaryKeyPolicy = JsonNamingPolicy.SnakeCaseLower,
};
SqlConnectionStringBuilder b = value.Deserialize<SqlConnectionStringBuilder>(opt)!;
//Get the password from the secret manager
using ISecretResult? secret = await plugin.TryGetSecretAsync("db_password");
b.Password = secret?.Result.ToString();
return b.ConnectionString;
}
else
{
//Get the password from the secret manager
using ISecretResult? secret = await plugin.TryGetSecretAsync("db_password");
// Build connection string
return new SqlConnectionStringBuilder()
{
DataSource = config["hostname"].GetString(),
InitialCatalog = config["catalog"].GetString(),
UserID = config["username"].GetString(),
Pooling = true,
ApplicationName = config.GetValueOrDefault("application_name", p => p.GetString(), string.Empty),
HostNameInCertificate = config.GetValueOrDefault("hostname_in_certificate", p => p.GetString(), string.Empty),
PacketSize = config.GetValueOrDefault("packet_size", p => p.GetInt32(), 8000),
Encrypt = config.GetValueOrDefault("encrypted", p => p.GetBoolean(), false),
IntegratedSecurity = config.GetValueOrDefault("integrated_security", p => p.GetBoolean(), false),
MultipleActiveResultSets = config.GetValueOrDefault("multiple_active_result_sets", p => p.GetBoolean(), false),
ConnectTimeout = config.GetValueOrDefault("connect_timeout", p => p.GetInt32(), 15),
LoadBalanceTimeout = config.GetValueOrDefault("load_balance_timeout", p => p.GetInt32(), 0),
MaxPoolSize = config.GetValueOrDefault("max_pool_size", p => p.GetInt32(), 100),
MinPoolSize = config.GetValueOrDefault("min_pool_size", p => p.GetInt32(), 0),
TransactionBinding = config.GetValueOrDefault("transaction_binding", p => p.GetString(), "Implicit Unbind"),
TypeSystemVersion = config.GetValueOrDefault("type_system_version", p => p.GetString(), "Latest"),
WorkstationID = config.GetValueOrDefault("workstation_id", p => p.GetString(), string.Empty),
CurrentLanguage = config.GetValueOrDefault("current_language", p => p.GetString(), "us_english"),
PersistSecurityInfo = config.GetValueOrDefault("persist_security_info", p => p.GetBoolean(), false),
Replication = config.GetValueOrDefault("replication", p => p.GetBoolean(), false),
TrustServerCertificate = config.GetValueOrDefault("trust_server_certificate", p => p.GetBoolean(), false),
UserInstance = config.GetValueOrDefault("user_instance", p => p.GetBoolean(), false),
Password = secret?.Result.ToString(),
}
.ConnectionString;
}
}
/*
* NOTICE:
* Function names must be public and must match the SqlConnectionLoader delegate names.
*
* GetDbConnection - A sync or async function that takes a configuration scope and
* returns a DbConnection factory
*
* GetDbOptions - A sync or async function that takes a configuration scope and
* returns a DbConnectionOptions instance
*
* GetProviderName - Returns a string that is the provider name for the connection
*/
public string GetProviderName() => "sqlserver";
public async Task<Func<DbConnection>> GetDbConnectionAsync(IConfigScope sqlConfig)
{
//Store local copy of the connection string, probably not the best idea because of the password, but best for now
string connString = await BuildConnStringAsync();
return () => new SqlConnection(connString);
}
public async Task<DbContextOptions> GetDbOptionsAsync(IConfigScope sqlConfig)
{
//Get the connection string from the configuration
string connString = await BuildConnStringAsync();
//Build the options using the mysql extension method
DbContextOptionsBuilder b = new();
b.UseSqlServer(connString);
//Write debug loggin to the debug log if the user has it enabled or the plugin is in debug mode
if (sqlConfig.GetValueOrDefault("debug", p => p.GetBoolean(), false) || plugin.IsDebug())
{
//Write the SQL to the debug log
b.LogTo((v) => plugin.Log.Debug("SqlServer: {v}", v));
}
return b.Options;
}
}
}
|
