public Task Initialize(IServiceProvider serviceProvider, IConfigurationSection configuration)
{
byte versionByte = byte.Parse(configuration["version_byte"]);
this.keyEncoder = new KeyEncoder(versionByte);
P2pkhSubject[] adminAddresses = configuration
.GetSection("admin_addresses")
.GetChildren()
.Select(key => key.Value)
.Select(address => new P2pkhSubject(new[] { address }, 1, keyEncoder))
.ToArray();
List <Acl> pathPermissions = new List <Acl>()
{
// Admins have full rights
new Acl(adminAddresses, LedgerPath.Parse("/"), true, StringPattern.MatchAll, PermissionSet.AllowAll)
};
if (bool.Parse(configuration["allow_third_party_assets"]))
{
this.staticPermissionProviders.Add(new P2pkhIssuanceImplicitLayout(keyEncoder));
}
if (bool.Parse(configuration["allow_p2pkh_accounts"]))
{
this.staticPermissionProviders.Add(new P2pkhImplicitLayout(keyEncoder));
}
this.staticPermissionProviders.Add(new StaticPermissionLayout(pathPermissions));
return(Task.FromResult(0));
}
/// <summary>
/// Parses a permission set from a JSON string.
/// </summary>
/// <param name="json">The JSON string to parse.</param>
/// <param name="path">The path on which these permissions apply.</param>
/// <param name="keyEncoder">The key encoder to use in the parsed <see cref="Acl"/> objects.</param>
/// <returns>The parsed list of <see cref="Acl"/> objects.</returns>
public static IReadOnlyList<Acl> Parse(string json, LedgerPath path, KeyEncoder keyEncoder)
{
JArray document = JArray.Parse(json);
return ((IEnumerable<JToken>)document).Select(root =>
new Acl(
((JArray)root["subjects"]).Children().Select(subject =>
new P2pkhSubject(((JArray)subject["addresses"]).Select(key => (string)key), (int)subject["required"], keyEncoder)),
path,
(bool?)root["recursive"] ?? true,
new StringPattern((string)root["record_name"] ?? string.Empty, (PatternMatchingStrategy)Enum.Parse(typeof(PatternMatchingStrategy), (string)root["record_name_matching"] ?? "Prefix")),
new PermissionSet(
accountNegative: Parse(root["permissions"]["account_negative"]),
accountSpend: Parse(root["permissions"]["account_spend"]),
accountModify: Parse(root["permissions"]["account_modify"]),
accountCreate: Parse(root["permissions"]["account_create"]),
dataModify: Parse(root["permissions"]["data_modify"]))))
.ToList();
}
/// <summary>
/// Parses a permission set from a JSON string.
/// </summary>
/// <param name="json">The JSON string to parse.</param>
/// <param name="path">The path on which these permissions apply.</param>
/// <param name="keyEncoder">The key encoder to use in the parsed <see cref="Acl"/> objects.</param>
/// <returns>The parsed list of <see cref="Acl"/> objects.</returns>
public static IReadOnlyList <Acl> Parse(string json, LedgerPath path, KeyEncoder keyEncoder)
{
JArray document = JArray.Parse(json);
return(((IEnumerable <JToken>)document).Select(root =>
new Acl(
((JArray)root["subjects"]).Children().Select(subject =>
new P2pkhSubject(((JArray)subject["addresses"]).Select(key => (string)key), (int)subject["required"], keyEncoder)),
path,
(bool?)root["recursive"] ?? true,
new StringPattern((string)root["record_name"] ?? string.Empty, (PatternMatchingStrategy)Enum.Parse(typeof(PatternMatchingStrategy), (string)root["record_name_matching"] ?? "Prefix")),
new PermissionSet(
accountNegative: Parse(root["permissions"]["account_negative"]),
accountSpend: Parse(root["permissions"]["account_spend"]),
accountModify: Parse(root["permissions"]["account_modify"]),
accountCreate: Parse(root["permissions"]["account_create"]),
dataModify: Parse(root["permissions"]["data_modify"]))))
.ToList());
}
public P2pkhIssuanceImplicitLayout(KeyEncoder keyEncoder)
{
this.keyEncoder = keyEncoder;
}
public P2pkhImplicitLayout(KeyEncoder keyEncoder)
{
this.keyEncoder = keyEncoder;
}
public P2pkhSubject(IEnumerable<string> addresses, int signaturesRequired, KeyEncoder keyEncoder)
{
this.Addresses = addresses.ToList().AsReadOnly();
this.SignaturesRequired = signaturesRequired;
this.keyEncoder = keyEncoder;
}
public P2pkhSubject(IEnumerable <string> addresses, int signaturesRequired, KeyEncoder keyEncoder)
{
this.Addresses = addresses.ToList().AsReadOnly();
this.SignaturesRequired = signaturesRequired;
this.keyEncoder = keyEncoder;
}
public DynamicPermissionLayout(IStorageEngine store, KeyEncoder keyEncoder)
{
this.store = store;
this.keyEncoder = keyEncoder;
}
public DynamicPermissionLayout(IStorageEngine store, KeyEncoder keyEncoder)
{
this.store = store;
this.keyEncoder = keyEncoder;
}