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using System.Security.Claims;
using Npgsql;
using NpgsqlRest;
using NpgsqlRest.HttpFiles;
using NpgsqlRest.TsClient;
using NpgsqlRest.DartClient;
using Serilog;
using NpgsqlRest.SqlFileSource;
using Microsoft.AspNetCore.Antiforgery;
using Microsoft.AspNetCore.DataProtection;
using NpgsqlRest.UploadHandlers;
using NpgsqlRest.Auth;
using NpgsqlRest.OpenAPI;
using NpgsqlRest.Mcp;
namespace NpgsqlRestClient;
public class App
{
private readonly Config _config;
private readonly Builder _builder;
public App(Config config, Builder builder)
{
_config = config;
_builder = builder;
}
public void Configure(WebApplication app, Action started, bool forwardedHeadersEnabled)
{
app.Lifetime.ApplicationStarted.Register(started);
// Forwarded headers MUST be first - before any IP-based decisions
if (forwardedHeadersEnabled)
{
app.UseForwardedHeaders();
}
if (_builder.UseHttpsRedirection)
{
app.UseHttpsRedirection();
}
if (_builder.UseHsts)
{
app.UseHsts();
}
if (_builder.LoggingEnabled is true)
{
app.UseSerilogRequestLogging();
}
}
public void ConfigureSecurityHeaders(WebApplication app, SecurityHeadersConfig? config, bool antiForgeryUsed)
{
if (config is null)
{
return;
}
app.Use(async (HttpContext context, RequestDelegate next) =>
{
var headers = context.Response.Headers;
if (config.XContentTypeOptions is not null)
{
headers["X-Content-Type-Options"] = config.XContentTypeOptions;
}
// Skip X-Frame-Options if Antiforgery is enabled (it already sets this header)
if (config.XFrameOptions is not null && !antiForgeryUsed)
{
headers["X-Frame-Options"] = config.XFrameOptions;
}
if (config.ReferrerPolicy is not null)
{
headers["Referrer-Policy"] = config.ReferrerPolicy;
}
if (config.ContentSecurityPolicy is not null)
{
headers["Content-Security-Policy"] = config.ContentSecurityPolicy;
}
if (config.PermissionsPolicy is not null)
{
headers["Permissions-Policy"] = config.PermissionsPolicy;
}
if (config.CrossOriginOpenerPolicy is not null)
{
headers["Cross-Origin-Opener-Policy"] = config.CrossOriginOpenerPolicy;
}
if (config.CrossOriginEmbedderPolicy is not null)
{
headers["Cross-Origin-Embedder-Policy"] = config.CrossOriginEmbedderPolicy;
}
if (config.CrossOriginResourcePolicy is not null)
{
headers["Cross-Origin-Resource-Policy"] = config.CrossOriginResourcePolicy;
}
await next(context);
});
}
public void ConfigureStaticFiles(WebApplication app, NpgsqlRestAuthenticationOptions options)
{
var staticFilesCfg = _config.Cfg.GetSection("StaticFiles");
if (_config.Exists(staticFilesCfg) is false || _config.GetConfigBool("Enabled", staticFilesCfg) is false)
{
return;
}
app.UseDefaultFiles();
string[]? authorizePaths = _config.GetConfigEnumerable("AuthorizePaths", staticFilesCfg)?.ToArray();
string? unauthorizedRedirectPath = _config.GetConfigStr("UnauthorizedRedirectPath", staticFilesCfg);
string? unauthorizedReturnToQueryParameter = _config.GetConfigStr("UnauthorizedReturnToQueryParameter", staticFilesCfg);
var parseCfg = staticFilesCfg.GetSection("ParseContentOptions");
bool parse = true;
if (_config.Exists(parseCfg) is false || _config.GetConfigBool("Enabled", parseCfg) is false)
{
parse = false;
}
var filePaths = _config.GetConfigEnumerable("FilePaths", parseCfg)?.ToArray();
var antiforgeryFieldNameTag = _config.GetConfigStr("AntiforgeryFieldName", parseCfg);
var antiforgeryTokenTag = _config.GetConfigStr("AntiforgeryToken", parseCfg);
var availableClaims = _config.GetConfigNameDefaults("AvailableClaims", parseCfg);
var availableEnvVars = _config.GetConfigNameDefaults("AvailableEnvVars", parseCfg);
var antiforgery = app.Services.GetService<IAntiforgery>();
AppStaticFileMiddleware.ConfigureStaticFileMiddleware(
parse,
filePaths,
options,
_config.GetConfigBool("CacheParsedFile", parseCfg, true),
antiforgeryFieldNameTag,
antiforgeryTokenTag,
antiforgery,
_config.GetConfigEnumerable("Headers", parseCfg)?.ToArray() ?? ["Cache-Control: no-store, no-cache, must-revalidate", "Pragma: no-cache", "Expires: 0"],
authorizePaths,
unauthorizedRedirectPath,
unauthorizedReturnToQueryParameter,
availableClaims,
availableEnvVars,
_builder.ClientLogger);
app.UseMiddleware<AppStaticFileMiddleware>();
_builder.ClientLogger?.LogDebug("Serving static files from {WebRootPath}. Parsing following file path patterns: {filePaths}", app.Environment.WebRootPath, filePaths);
}
public string CreateUrl(Routine routine, NpgsqlRestOptions options) =>
string.Concat(
string.IsNullOrEmpty(options.UrlPathPrefix) ? "/" : string.Concat("/", options.UrlPathPrefix.Trim('/')),
routine.Schema == "public" ? "" : routine.Schema.Trim(Consts.DoubleQuote).Trim('/'),
"/",
routine.Name.Trim(Consts.DoubleQuote).Trim('/'),
"/");
public (NpgsqlRestAuthenticationOptions options, IConfigurationSection authCfg) CreateNpgsqlRestAuthenticationOptions(
WebApplication app,
string? dataProtectionName)
{
var authCfg = _config.NpgsqlRestCfg.GetSection("AuthenticationOptions");
if (_config.Exists(authCfg) is false)
{
return (new NpgsqlRestAuthenticationOptions(), authCfg);
}
var basicAuthCfg = authCfg.GetSection("BasicAuth");
BasicAuthOptions basicAuth = new()
{
Enabled = _config.GetConfigBool("Enabled", basicAuthCfg, false),
Realm = _config.GetConfigStr("Realm", basicAuthCfg) ?? BasicAuthOptions.DefaultRealm,
Users = _config.GetConfigDict(basicAuthCfg.GetSection("Users")) ?? new Dictionary<string, string>(),
ChallengeCommand = _config.GetConfigStr("ChallengeCommand", basicAuthCfg),
UseDefaultPasswordHasher = _config.GetConfigBool("UseDefaultPasswordHasher", basicAuthCfg, true),
SslRequirement = _config.GetConfigEnum<SslRequirement?>("SslRequirement", basicAuthCfg) ?? SslRequirement.Required
};
if (basicAuth.Enabled is true && _builder.SslEnabled is false)
{
if (basicAuth.SslRequirement == SslRequirement.Required)
{
throw new InvalidOperationException("Basic authentication with SslRequirement 'Required' cannot be used when SSL is disabled.");
}
if (basicAuth.SslRequirement == SslRequirement.Warning)
{
_builder.ClientLogger?.LogWarning("Using Basic Authentication when SSL is disabled.");
}
else if (basicAuth.SslRequirement == SslRequirement.Ignore)
{
_builder.ClientLogger?.LogDebug("WARNING: Using Basic Authentication when SSL is disabled.");
}
}
if (basicAuth.Enabled is true)
{
_builder.ClientLogger?.LogDebug("Basic Authentication enabled with realm {Realm}", basicAuth.Realm);
}
var provider = app.Services.GetService<IDataProtectionProvider>();
IDataProtector? protector = dataProtectionName is null ? null : provider?.CreateProtector(dataProtectionName);
var result = new NpgsqlRestAuthenticationOptions()
{
DefaultAuthenticationType = _config.GetConfigStr("DefaultAuthenticationType", authCfg),
StatusColumnName = _config.GetConfigStr("StatusColumnName", authCfg) ?? "status",
SchemeColumnName = _config.GetConfigStr("SchemeColumnName", authCfg) ?? "scheme",
BodyColumnName = _config.GetConfigStr("BodyColumnName", authCfg) ?? "body",
ResponseTypeColumnName = _config.GetConfigStr("ResponseTypeColumnName", authCfg) ?? "application/json",
DefaultUserIdClaimType = _config.GetConfigStr("DefaultUserIdClaimType", authCfg) ?? "user_id",
DefaultNameClaimType = _config.GetConfigStr("DefaultNameClaimType", authCfg) ?? "user_name",
DefaultRoleClaimType = _config.GetConfigStr("DefaultRoleClaimType", authCfg) ?? "user_roles",
SerializeAuthEndpointsResponse = _config.GetConfigBool("SerializeAuthEndpointsResponse", authCfg, false),
ObfuscateAuthParameterLogValues = _config.GetConfigBool("ObfuscateAuthParameterLogValues", authCfg, true),
HashColumnName = _config.GetConfigStr("HashColumnName", authCfg) ?? "hash",
PasswordParameterNameContains = _config.GetConfigStr("PasswordParameterNameContains", authCfg) ?? "pass",
PasswordVerificationFailedCommand = _config.GetConfigStr("PasswordVerificationFailedCommand", authCfg),
PasswordVerificationSucceededCommand = _config.GetConfigStr("PasswordVerificationSucceededCommand", authCfg),
UseUserContext = _config.GetConfigBool("UseUserContext", authCfg, false),
ContextKeyClaimsMapping = _config.GetConfigDict(authCfg.GetSection("ContextKeyClaimsMapping")) ?? new()
{
{ "request.user_id", "user_id" },
{ "request.user_name", "user_name" },
{ "request.user_roles" , "user_roles" },
},
ClaimsJsonContextKey = _config.GetConfigStr("ClaimsJsonContextKey", authCfg),
IpAddressContextKey = _config.GetConfigStr("IpAddressContextKey", authCfg) ?? "request.ip_address",
UseUserParameters = _config.GetConfigBool("UseUserParameters", authCfg, false),
ParameterNameClaimsMapping = _config.GetConfigDict(authCfg.GetSection("ParameterNameClaimsMapping")) ?? new()
{
{ "_user_id" , "user_id" },
{ "_user_name" , "user_name" },
{ "_user_roles" , "user_roles" },
},
ClaimsJsonParameterName = _config.GetConfigStr("ClaimsJsonParameterName", authCfg) ?? "_user_claims",
IpAddressParameterName = _config.GetConfigStr("IpAddressParameterName", authCfg) ?? "_ip_address",
BasicAuth = basicAuth,
DefaultDataProtector = protector,
CustomLoginHandler = CreateJwtLoginHandler()
};
var requiresAuth = _config.GetConfigBool("RequiresAuthorization", _config.NpgsqlRestCfg, true);
if (requiresAuth || !string.IsNullOrEmpty(result.DefaultAuthenticationType))
{
if (result.ParameterNameClaimsMapping.Count > 0)
{
_builder.ClientLogger?.LogDebug(
"UserParameters claim mapping (parameter name -> claim type): {Mapping}",
string.Join(", ", result.ParameterNameClaimsMapping.Select(kv => $"{kv.Key} -> {kv.Value}")));
}
if (result.ContextKeyClaimsMapping.Count > 0)
{
_builder.ClientLogger?.LogDebug(
"UserContext claim mapping (context key -> claim type): {Mapping}",
string.Join(", ", result.ContextKeyClaimsMapping.Select(kv => $"{kv.Key} -> {kv.Value}")));
}
}
return (result, authCfg);
}
private Func<HttpContext, ClaimsPrincipal, string?, Task<bool>>? CreateJwtLoginHandler()
{
// Two ways for JWT to be configured: the main scheme (Auth:JwtAuth=true) or one+ Jwt-type
// entries under Auth:Schemes. Any combination produces a non-null handler.
if (_builder.JwtTokenConfig is null && _builder.AdditionalJwtTokenConfigs.Count == 0)
{
return null;
}
if (_builder.JwtTokenConfig is not null)
{
JwtLoginHandler.Initialize(_builder.JwtTokenConfig);
}
foreach (var additional in _builder.AdditionalJwtTokenConfigs)
{
JwtLoginHandler.Register(additional);
}
return async (context, principal, scheme) =>
{
// Short-circuit if the login function returned a non-JWT scheme — let the cookie/bearer
// pipelines handle it. When scheme is null, fall through to JwtLoginHandler which uses
// the default (main) scheme.
if (scheme is not null && !JwtLoginHandler.IsScheme(scheme))
{
return false;
}
return await JwtLoginHandler.HandleLoginAsync(context, principal, scheme);
};
}
/// <summary>
/// Builds the <see cref="OpenApiOptions"/> from the <c>NpgsqlRest:OpenApiOptions</c> config
/// section. Returns null when the section is absent or <c>Enabled</c> is false — callers add the
/// OpenAPI plugin only on a non-null result. Extracted from <see cref="Configure"/> so the
/// config-to-options wiring (filename / paths / filters / servers / security schemes) is
/// independently testable from the WebApplication setup.
/// </summary>
public OpenApiOptions? BuildOpenApiOptions(string? connectionString)
{
var openApiCfg = _config.NpgsqlRestCfg.GetSection("OpenApiOptions");
if (openApiCfg is null || _config.GetConfigBool("Enabled", openApiCfg) is not true)
{
return null;
}
var openApi = new OpenApiOptions
{
FileName = _config.GetConfigStr("FileName", openApiCfg),
UrlPath = _config.GetConfigStr("UrlPath", openApiCfg),
FileOverwrite = _config.GetConfigBool("FileOverwrite", openApiCfg, true),
DocumentTitle = _config.GetConfigStr("DocumentTitle", openApiCfg),
DocumentVersion = _config.GetConfigStr("DocumentVersion", openApiCfg) ?? "1.0.0",
DocumentDescription = _config.GetConfigStr("DocumentDescription", openApiCfg),
SpecVersion = _config.GetConfigStr("SpecVersion", openApiCfg) ?? "3.0",
ConnectionString = connectionString,
AddCurrentServer = _config.GetConfigBool("AddCurrentServer", openApiCfg, true),
IncludeSchemas = _config.GetConfigEnumerable("IncludeSchemas", openApiCfg)?.ToArray(),
ExcludeSchemas = _config.GetConfigEnumerable("ExcludeSchemas", openApiCfg)?.ToArray(),
NameSimilarTo = _config.GetConfigStr("NameSimilarTo", openApiCfg),
NameNotSimilarTo = _config.GetConfigStr("NameNotSimilarTo", openApiCfg),
RequiresAuthorizationOnly = _config.GetConfigBool("RequiresAuthorizationOnly", openApiCfg, false),
OmitAutomaticParameters = _config.GetConfigBool("OmitAutomaticParameters", openApiCfg, false),
};
if (openApi.UrlPath is null && openApi.FileName is null)
{
// Caller will log the warning. Return the options as-is so the warning fires through
// the same code path it always has.
return openApi;
}
var serversCfg = openApiCfg.GetSection("Servers");
var servers = new List<OpenApiServer>(3);
foreach (var serverSection in serversCfg.GetChildren())
{
var url = _config.GetConfigStr("Url", serverSection);
if (url is null)
{
continue;
}
servers.Add(new OpenApiServer
{
Url = _config.GetConfigStr("Url", serverSection)!,
Description = _config.GetConfigStr("Description", serverSection)
});
}
if (servers.Count > 0)
{
openApi.Servers = servers.ToArray();
}
var securitySchemesCfg = openApiCfg.GetSection("SecuritySchemes");
var securitySchemes = new List<OpenApiSecurityScheme>(2);
foreach (var schemeSection in securitySchemesCfg.GetChildren())
{
var name = _config.GetConfigStr("Name", schemeSection);
var type = _config.GetConfigEnum<OpenApiSecuritySchemeType?>("Type", schemeSection);
if (name is null || type is null)
{
continue;
}
var scheme = new OpenApiSecurityScheme
{
Name = name,
Type = type.Value,
Description = _config.GetConfigStr("Description", schemeSection)
};
// HTTP scheme configuration (Bearer/Basic)
if (type == OpenApiSecuritySchemeType.Http)
{
scheme.Scheme = _config.GetConfigEnum<HttpAuthScheme?>("Scheme", schemeSection);
scheme.BearerFormat = _config.GetConfigStr("BearerFormat", schemeSection);
}
// API Key configuration (Cookie/Header/Query)
if (type == OpenApiSecuritySchemeType.ApiKey)
{
scheme.In = _config.GetConfigStr("In", schemeSection);
scheme.ApiKeyLocation = _config.GetConfigEnum<ApiKeyLocation?>("ApiKeyLocation", schemeSection);
}
securitySchemes.Add(scheme);
}
if (securitySchemes.Count > 0)
{
openApi.SecuritySchemes = securitySchemes.ToArray();
}
return openApi;
}
public Action<RoutineEndpoint?>? CreateEndpointCreatedHandler(IConfigurationSection authCfg)
{
if (_config.Exists(authCfg) is false)
{
return null;
}
var loginPath = _config.GetConfigStr("LoginPath", authCfg);
var logoutPath = _config.GetConfigStr("LogoutPath", authCfg);
if (loginPath is null && logoutPath is null)
{
return null;
}
return endpoint =>
{
if (endpoint is null)
{
return;
}
if (loginPath is not null && string.Equals(endpoint.Path, loginPath, StringComparison.OrdinalIgnoreCase))
{
endpoint.Login = true;
}
if (logoutPath is not null && string.Equals(endpoint.Routine.Name, logoutPath, StringComparison.OrdinalIgnoreCase))
{
endpoint.Login = true;
}
};
}
public Action<NpgsqlConnection, RoutineEndpoint, HttpContext>? BeforeConnectionOpen(string connectionString, NpgsqlRestAuthenticationOptions options)
{
if (_config.UseJsonApplicationName is false)
{
return null;
}
// Extract the application name to avoid capturing _builder reference
var applicationName = _builder.Instance.Environment.ApplicationName;
var headerName = _config.GetConfigStr("ExecutionIdHeaderName", _config.NpgsqlRestCfg) ?? "X-Execution-Id";
_builder.ClientLogger?.LogDebug("Using JsonApplicationName {{\"app\":\"{applicationName}\",\"uid\":\"<{UserIdClaimType}>\",\"id\":\"<{headerName}>\"}}",
applicationName,
options.DefaultUserIdClaimType,
headerName);
return (connection, endpoint, context) =>
{
var uid = context.User.FindFirstValue(options.DefaultUserIdClaimType);
var executionId = context.Request.Headers[headerName].FirstOrDefault();
connection.ConnectionString = new NpgsqlConnectionStringBuilder(connectionString)
{
ApplicationName = string.Concat("{\"app\":\"", applicationName,
"\",\"uid\":", uid is null ? "null" : string.Concat("\"", uid, "\""),
",\"id\":", executionId is null ? "null" : string.Concat("\"", executionId, "\""),
"}")
}.ConnectionString;
};
}
public List<IEndpointCreateHandler> CreateCodeGenHandlers(string connectionString, string[] args)
{
List<IEndpointCreateHandler> handlers = new(3);
if (args.Any(a => string.Equals(a, "--test", StringComparison.OrdinalIgnoreCase)))
{
// Test mode: only capture endpoints for the runner (kind pre-checks: SSE/upload/login/outbound).
// Code generation (HTTP files, TS client, OpenAPI) is deliberately skipped so a test run never
// rewrites generated artifacts as a side effect.
handlers.Add(new EndpointCapture());
_builder.TestLogger?.LogDebug("code generation handlers skipped in test mode");
return handlers;
}
if (args.Any(a => string.Equals(a, "--endpoints", StringComparison.OrdinalIgnoreCase)))
{
handlers.Add(new EndpointCapture());
}
var httpFilecfg = _config.NpgsqlRestCfg.GetSection("HttpFileOptions");
if (httpFilecfg is not null && _config.GetConfigBool("Enabled", httpFilecfg) is true)
{
handlers.Add(new HttpFile(new HttpFileOptions
{
Name = _config.GetConfigStr("Name", httpFilecfg),
Option = _config.GetConfigEnum<HttpFileOption?>("Option", httpFilecfg) ?? HttpFileOption.File,
NamePattern = _config.GetConfigStr("NamePattern", httpFilecfg) ?? "{0}_{1}",
CommentHeader = _config.GetConfigEnum<CommentHeader?>("CommentHeader", httpFilecfg) ?? CommentHeader.Simple,
CommentHeaderIncludeComments = _config.GetConfigBool("CommentHeaderIncludeComments", httpFilecfg, true),
FileMode = _config.GetConfigEnum<HttpFileMode?>("FileMode", httpFilecfg) ?? HttpFileMode.Schema,
FileOverwrite = _config.GetConfigBool("FileOverwrite", httpFilecfg, true),
ConnectionString = connectionString,
OmitAutomaticParameters = _config.GetConfigBool("OmitAutomaticParameters", httpFilecfg)
}));
_builder.ClientLogger?.LogDebug("HTTP file generation enabled. Name={Name}",
_config.GetConfigStr("Name", httpFilecfg) ?? "generated from connection string");
}
var openApi = BuildOpenApiOptions(connectionString);
if (openApi is not null)
{
if (openApi.UrlPath is null && openApi.FileName is null)
{
_builder.ClientLogger?.LogWarning("OpenAPI generation is disabled because both FileName and UrlPath are not set.");
}
else
{
handlers.Add(new OpenApi(openApi));
_builder.ClientLogger?.LogDebug("OpenAPI generation enabled. FileName={FileName}, UrlPath={UrlPath}",
openApi.FileName ?? "not set", openApi.UrlPath ?? "not set");
}
}
var tsClientCfg = _config.NpgsqlRestCfg.GetSection("ClientCodeGen");
if (tsClientCfg is not null && _config.GetConfigBool("Enabled", tsClientCfg) is true)
{
var ts = new TsClientOptions
{
FilePath = _config.GetConfigStr("FilePath", tsClientCfg),
FileOverwrite = _config.GetConfigBool("FileOverwrite", tsClientCfg, true),
IncludeHost = _config.GetConfigBool("IncludeHost", tsClientCfg, true),
CustomHost = tsClientCfg.GetSection("CustomHost").Value is not null
? (_config.GetConfigStr("CustomHost", tsClientCfg) ?? "")
: null,
CommentHeader = _config.GetConfigEnum<CommentHeader?>("CommentHeader", tsClientCfg) ?? CommentHeader.Simple,
CommentHeaderIncludeComments = _config.GetConfigBool("CommentHeaderIncludeComments", tsClientCfg, true),
BySchema = _config.GetConfigBool("BySchema", tsClientCfg, true),
IncludeStatusCode = _config.GetConfigBool("IncludeStatusCode", tsClientCfg, true),
CreateSeparateTypeFile = _config.GetConfigBool("CreateSeparateTypeFile", tsClientCfg, true),
ExportTypes = _config.GetConfigBool("ExportTypes", tsClientCfg),
ImportBaseUrlFrom = _config.GetConfigStr("ImportBaseUrlFrom", tsClientCfg),
ImportParseQueryFrom = _config.GetConfigStr("ImportParseQueryFrom", tsClientCfg),
IncludeParseUrlParam = _config.GetConfigBool("IncludeParseUrlParam", tsClientCfg),
IncludeParseRequestParam = _config.GetConfigBool("IncludeParseRequestParam", tsClientCfg),
UseRoutineNameInsteadOfEndpoint = _config.GetConfigBool("UseRoutineNameInsteadOfEndpoint", tsClientCfg),
DefaultJsonType = _config.GetConfigStr("DefaultJsonType", tsClientCfg) ?? "string",
ExportUrls = _config.GetConfigBool("ExportUrls", tsClientCfg),
SkipTypes = _config.GetConfigBool("SkipTypes", tsClientCfg),
UniqueModels = _config.GetConfigBool("UniqueModels", tsClientCfg),
XsrfTokenHeaderName = _config.GetConfigStr("XsrfTokenHeaderName", tsClientCfg),
ExportEventSources = _config.GetConfigBool("ExportEventSources", tsClientCfg, true),
CustomImports = _config.GetConfigEnumerable("CustomImports", tsClientCfg)?.ToArray() ?? [],
IncludeSchemaInNames = _config.GetConfigBool("IncludeSchemaInNames", tsClientCfg, true),
ErrorExpression = _config.GetConfigStr("ErrorExpression", tsClientCfg) ?? "await response.json()",
ErrorType = _config.GetConfigStr("ErrorType", tsClientCfg) ?? "{status: number; title: string; detail?: string | null} | undefined",
OmitAutomaticParameters = _config.GetConfigBool("OmitAutomaticParameters", tsClientCfg),
};
Dictionary<string, string> customHeaders = [];
foreach (var section in tsClientCfg.GetSection("CustomHeaders").GetChildren())
{
if (section?.Value is null)
{
continue;
}
customHeaders.Add(section.Key, section.Value!);
}
ts.CustomHeaders = customHeaders;
var headerLines = _config.GetConfigEnumerable("HeaderLines", tsClientCfg);
if (headerLines is not null)
{
ts.HeaderLines = [.. headerLines];
}
var skipRoutineNames = _config.GetConfigEnumerable("SkipRoutineNames", tsClientCfg);
if (skipRoutineNames is not null)
{
ts.SkipRoutineNames = [.. skipRoutineNames];
}
var skipFunctionNames = _config.GetConfigEnumerable("SkipFunctionNames", tsClientCfg);
if (skipFunctionNames is not null)
{
ts.SkipFunctionNames = [.. skipFunctionNames];
}
var skipPaths = _config.GetConfigEnumerable("SkipPaths", tsClientCfg);
if (skipPaths is not null)
{
ts.SkipPaths = [.. skipPaths];
}
var skipSchemas = _config.GetConfigEnumerable("SkipSchemas", tsClientCfg);
if (skipSchemas is not null)
{
ts.SkipSchemas = [.. skipSchemas];
}
var reactQueryCfg = tsClientCfg.GetSection("ReactQuery");
ts.ReactQuery = new TsClientReactQueryOptions
{
Enabled = _config.GetConfigBool("Enabled", reactQueryCfg),
FilePath = _config.GetConfigStr("FilePath", reactQueryCfg),
FileOverwrite = _config.GetConfigBool("FileOverwrite", reactQueryCfg, true),
QueryKeyPrefix = _config.GetConfigStr("QueryKeyPrefix", reactQueryCfg),
ExposeQueryKeys = _config.GetConfigBool("ExposeQueryKeys", reactQueryCfg, true),
ImportFrom = _config.GetConfigStr("ImportFrom", reactQueryCfg) ?? "@tanstack/react-query",
};
var reactQueryHeaderLines = _config.GetConfigEnumerable("HeaderLines", reactQueryCfg);
if (reactQueryHeaderLines is not null)
{
ts.ReactQuery.HeaderLines = [.. reactQueryHeaderLines];
}
handlers.Add(new TsClient(ts));
_builder.ClientLogger?.LogDebug("TypeScript client code generation enabled. FilePath={FilePath}", ts.FilePath);
}
var dartClientCfg = _config.NpgsqlRestCfg.GetSection("DartClientCodeGen");
if (dartClientCfg is not null && _config.GetConfigBool("Enabled", dartClientCfg) is true)
{
var dart = new DartClientOptions
{
FilePath = _config.GetConfigStr("FilePath", dartClientCfg),
FileOverwrite = _config.GetConfigBool("FileOverwrite", dartClientCfg, true),
IncludeHost = _config.GetConfigBool("IncludeHost", dartClientCfg, true),
CustomHost = dartClientCfg.GetSection("CustomHost").Value is not null
? (_config.GetConfigStr("CustomHost", dartClientCfg) ?? "")
: null,
CommentHeader = _config.GetConfigEnum<CommentHeader?>("CommentHeader", dartClientCfg) ?? CommentHeader.Simple,
CommentHeaderIncludeComments = _config.GetConfigBool("CommentHeaderIncludeComments", dartClientCfg, true),
BySchema = _config.GetConfigBool("BySchema", dartClientCfg, true),
IncludeStatusCode = _config.GetConfigBool("IncludeStatusCode", dartClientCfg, true),
SeparateModelsFile = _config.GetConfigBool("SeparateModelsFile", dartClientCfg),
ImportBaseUrlFrom = _config.GetConfigStr("ImportBaseUrlFrom", dartClientCfg),
UseRoutineNameInsteadOfEndpoint = _config.GetConfigBool("UseRoutineNameInsteadOfEndpoint", dartClientCfg),
DefaultJsonType = _config.GetConfigStr("DefaultJsonType", dartClientCfg) ?? "dynamic",
ExportUrls = _config.GetConfigBool("ExportUrls", dartClientCfg),
UniqueModels = _config.GetConfigBool("UniqueModels", dartClientCfg),
XsrfTokenHeaderName = _config.GetConfigStr("XsrfTokenHeaderName", dartClientCfg),
ExportEventSources = _config.GetConfigBool("ExportEventSources", dartClientCfg, true),
IncludeParseUrlParam = _config.GetConfigBool("IncludeParseUrlParam", dartClientCfg),
IncludeParseRequestParam = _config.GetConfigBool("IncludeParseRequestParam", dartClientCfg),
CustomImports = _config.GetConfigEnumerable("CustomImports", dartClientCfg)?.ToArray() ?? [],
IncludeSchemaInNames = _config.GetConfigBool("IncludeSchemaInNames", dartClientCfg, true),
ErrorTypeName = _config.GetConfigStr("ErrorTypeName", dartClientCfg) ?? "ApiError",
ResultTypeName = _config.GetConfigStr("ResultTypeName", dartClientCfg) ?? "ApiResult",
OmitAutomaticParameters = _config.GetConfigBool("OmitAutomaticParameters", dartClientCfg),
ModelPrefix = _config.GetConfigStr("ModelPrefix", dartClientCfg) ?? "",
ModelSuffix = _config.GetConfigStr("ModelSuffix", dartClientCfg) ?? "",
UseDateTimeType = _config.GetConfigBool("UseDateTimeType", dartClientCfg, true),
};
Dictionary<string, string> dartCustomHeaders = [];
foreach (var section in dartClientCfg.GetSection("CustomHeaders").GetChildren())
{
if (section?.Value is null)
{
continue;
}
dartCustomHeaders.Add(section.Key, section.Value!);
}
dart.CustomHeaders = dartCustomHeaders;
var dartHeaderLines = _config.GetConfigEnumerable("HeaderLines", dartClientCfg);
if (dartHeaderLines is not null)
{
dart.HeaderLines = [.. dartHeaderLines];
}
var dartSkipRoutineNames = _config.GetConfigEnumerable("SkipRoutineNames", dartClientCfg);
if (dartSkipRoutineNames is not null)
{
dart.SkipRoutineNames = [.. dartSkipRoutineNames];
}
var dartSkipFunctionNames = _config.GetConfigEnumerable("SkipFunctionNames", dartClientCfg);
if (dartSkipFunctionNames is not null)
{
dart.SkipFunctionNames = [.. dartSkipFunctionNames];
}
var dartSkipPaths = _config.GetConfigEnumerable("SkipPaths", dartClientCfg);
if (dartSkipPaths is not null)
{
dart.SkipPaths = [.. dartSkipPaths];
}
var dartSkipSchemas = _config.GetConfigEnumerable("SkipSchemas", dartClientCfg);
if (dartSkipSchemas is not null)
{
dart.SkipSchemas = [.. dartSkipSchemas];
}
handlers.Add(new NpgsqlRest.DartClient.DartClient(dart));
_builder.ClientLogger?.LogDebug("Dart client code generation enabled. FilePath={FilePath}", dart.FilePath);
}
var mcpCfg = _config.NpgsqlRestCfg.GetSection("McpOptions");
var mcpEnabled = mcpCfg is not null && _config.GetConfigBool("Enabled", mcpCfg) is true;
var toolSchemasCfg = mcpCfg?.GetSection("ToolSchemas");
var toolSchemasEnabled = toolSchemasCfg is not null && _config.GetConfigBool("Enabled", toolSchemasCfg) is true;
// The handler is registered when either the /mcp endpoint or the ToolSchemas documents are
// enabled - the schema documents are generated from `mcp` annotations independently of
// serving the /mcp endpoint.
if (mcpCfg is not null && (mcpEnabled || toolSchemasEnabled))
{
var mcpAuthCfg = mcpCfg.GetSection("Authorization");
handlers.Add(new Mcp(new McpOptions
{
Enabled = mcpEnabled,
UrlPath = _config.GetConfigStr("UrlPath", mcpCfg) ?? "/mcp",
ServerName = _config.GetConfigStr("ServerName", mcpCfg),
ServerVersion = _config.GetConfigStr("ServerVersion", mcpCfg),
Instructions = _config.GetConfigStr("Instructions", mcpCfg),
ToolDescriptionSuffix = _config.GetConfigStr("ToolDescriptionSuffix", mcpCfg),
RateLimiterPolicy = _config.GetConfigStr("RateLimiterPolicy", mcpCfg),
AllowedOrigins = [.. _config.GetConfigEnumerable("AllowedOrigins", mcpCfg) ?? []],
Authorization = new McpAuthorizationOptions
{
RequireAuthorization = _config.GetConfigBool("RequireAuthorization", mcpAuthCfg),
AuthorizationServers = [.. _config.GetConfigEnumerable("AuthorizationServers", mcpAuthCfg) ?? []],
ScopesSupported = [.. _config.GetConfigEnumerable("ScopesSupported", mcpAuthCfg) ?? []],
Audience = _config.GetConfigStr("Audience", mcpAuthCfg),
ProtectedResourceMetadataPath = _config.GetConfigStr("ProtectedResourceMetadataPath", mcpAuthCfg),
FilterToolsByRole = _config.GetConfigBool("FilterToolsByRole", mcpAuthCfg),
},
ToolSchemas = new McpToolSchemaOptions
{
Enabled = toolSchemasEnabled,
FileOverwrite = _config.GetConfigBool("FileOverwrite", toolSchemasCfg!, true),
// An explicitly null (or empty) configured value skips that document; an absent key keeps the default.
OpenAiFileName = BindToolSchemaPath("OpenAiFileName", "npgsqlrest_tools_openai.json"),
OpenAiUrlPath = BindToolSchemaPath("OpenAiUrlPath", "/tools/openai.json"),
AnthropicFileName = BindToolSchemaPath("AnthropicFileName", "npgsqlrest_tools_anthropic.json"),
AnthropicUrlPath = BindToolSchemaPath("AnthropicUrlPath", "/tools/anthropic.json"),
LlmsTxtFileName = BindToolSchemaPath("LlmsTxtFileName", "llms.txt"),
LlmsTxtUrlPath = BindToolSchemaPath("LlmsTxtUrlPath", "/llms.txt"),
// Rendered into the llms.txt Machine-readable section; wired from the OpenAPI
// plugin's configuration (the MCP plugin has no reference to it).
OpenApiUrlPath = openApi?.UrlPath,
},
}));
if (mcpEnabled)
{
_builder.ClientLogger?.LogDebug("MCP server enabled. UrlPath={UrlPath}",
_config.GetConfigStr("UrlPath", mcpCfg) ?? "/mcp");
}
if (toolSchemasEnabled)
{
_builder.ClientLogger?.LogDebug("MCP ToolSchemas generation enabled.");
}
}
return handlers;
string? BindToolSchemaPath(string key, string defaultValue)
{
if (toolSchemasCfg?.GetSection(key).Exists() is not true)
{
return defaultValue;
}
var value = _config.GetConfigStr(key, toolSchemasCfg);
return string.IsNullOrEmpty(value) ? null : value;
}
}
public List<IEndpointSource> CreateEndpointSources(bool relaxSqlFileErrors = false)
{
var sources = new List<IEndpointSource>(2);
var routineOptionsCfg = _config.NpgsqlRestCfg.GetSection("RoutineOptions");
if (routineOptionsCfg.Exists() is true && _config.GetConfigBool("Enabled", routineOptionsCfg, true) is false)
{
_builder.ClientLogger?.LogDebug("{name} PostgreSQL Source is disabled", nameof(RoutineSource));
}
else
{
RoutineSource CreateRoutineSource()
{
var source = new RoutineSource();
if (routineOptionsCfg.Exists() is true)
{
var customTypeParameterSeparator = _config.GetConfigStr("CustomTypeParameterSeparator", routineOptionsCfg);
if (customTypeParameterSeparator is not null)
{
source.CustomTypeParameterSeparator = customTypeParameterSeparator;
}
var includeLanguages = _config.GetConfigEnumerable("IncludeLanguages", routineOptionsCfg);
if (includeLanguages is not null)
{
source.IncludeLanguages = [.. includeLanguages];
}
var excludeLanguages = _config.GetConfigEnumerable("ExcludeLanguages", routineOptionsCfg);
if (excludeLanguages is not null)
{
source.ExcludeLanguages = [.. excludeLanguages];
}
source.NestedJsonForCompositeTypes = _config.GetConfigBool("NestedJsonForCompositeTypes", routineOptionsCfg);
source.ResolveNestedCompositeTypes = _config.GetConfigBool("ResolveNestedCompositeTypes", routineOptionsCfg, true);
}
return source;
}
// Per-connection routine discovery: one RoutineSource per listed connection name, sharing
// every other RoutineOptions setting and the global filters. Replace semantics: list the
// main connection's name to also discover the default database's routines. Endpoints
// execute on the connection they were discovered from (a `connection` annotation wins).
var readMetadataFrom = _config.GetConfigEnumerable("ReadMetadataFromConnections", routineOptionsCfg)?.ToArray();
if (readMetadataFrom is { Length: > 0 })
{
var available = _config.Cfg.GetSection("ConnectionStrings").GetChildren()
.Select(c => c.Key).Where(k => k is not null).ToArray();
foreach (var name in readMetadataFrom)
{
if (available.Contains(name, StringComparer.OrdinalIgnoreCase) is false)
{
throw new InvalidOperationException(
$"NpgsqlRest:RoutineOptions:ReadMetadataFromConnections entry '{name}' was not found in the ConnectionStrings section. " +
$"Available connection names: {string.Join(", ", available)}.");
}
}
foreach (var name in readMetadataFrom.Distinct(StringComparer.OrdinalIgnoreCase))
{
var source = CreateRoutineSource();
source.ConnectionName = name;
sources.Add(source);
_builder.ClientLogger?.LogDebug("Using {name} PostgreSQL Source on connection {connection}", nameof(RoutineSource), name);
}
}
else
{
sources.Add(CreateRoutineSource());
_builder.ClientLogger?.LogDebug("Using {name} PostrgeSQL Source", nameof(RoutineSource));
}
}
var sqlFileSourceCfg = _config.NpgsqlRestCfg.GetSection("SqlFileSource");
if (sqlFileSourceCfg.Exists() is true && _config.GetConfigBool("Enabled", sqlFileSourceCfg, true) is true)
{
var filePattern = _config.GetConfigStr("FilePattern", sqlFileSourceCfg) ?? "";
if (!string.IsNullOrEmpty(filePattern))
{
var opts = new SqlFileSourceOptions
{
FilePattern = filePattern,
CommentScope = _config.GetConfigEnum<CommentScope>("CommentScope", sqlFileSourceCfg),
UnnamedSingleColumnSet = _config.GetConfigBool("UnnamedSingleColumnSet", sqlFileSourceCfg, true),
SkipNonQueryCommands = _config.GetConfigBool("SkipNonQueryCommands", sqlFileSourceCfg, true),
};
// Absent => default "*.test.sql"; explicit empty string disables the exclusion.
var skipPattern = _config.GetConfigStr("SkipPattern", sqlFileSourceCfg);
if (sqlFileSourceCfg.GetSection("SkipPattern").Exists())
{
opts.SkipPattern = skipPattern ?? "";
}
if (_config.GetConfigStr("CommentsMode", sqlFileSourceCfg) is not null)
{
opts.CommentsMode = _config.GetConfigEnum<CommentsMode>("CommentsMode", sqlFileSourceCfg);
}
if (_config.GetConfigStr("ErrorMode", sqlFileSourceCfg) is not null)
{
opts.ErrorMode = _config.GetConfigEnum<ParseErrorMode>("ErrorMode", sqlFileSourceCfg);
}
if (relaxSqlFileErrors && opts.ErrorMode == ParseErrorMode.Exit)
{
// Watch mode rebuilds endpoints on the fly; ErrorMode=Exit would kill the whole watch
// session (Environment.Exit) on a broken SQL file — Skip drops the file instead, and
// the runner reports the endpoint delta after each rebuild.
opts.ErrorMode = ParseErrorMode.Skip;
(_builder.TestLogger ?? _builder.ClientLogger)?.LogDebug("watch mode: SqlFileSource ErrorMode forced from Exit to Skip");
}
var resultPrefix = _config.GetConfigStr("ResultPrefix", sqlFileSourceCfg);
if (resultPrefix is not null)
{
opts.ResultPrefix = resultPrefix;
}
var sqlFileSource = new SqlFileSource(opts)
{
NestedJsonForCompositeTypes = _config.GetConfigBool("NestedJsonForCompositeTypes", sqlFileSourceCfg)
};
sources.Add(sqlFileSource);
_builder.ClientLogger?.LogDebug("Using {name} PostgreSQL Source with pattern {pattern}", nameof(SqlFileSource), filePattern);
}
}
return sources;
}
public NpgsqlRestUploadOptions CreateUploadOptions()
{
var uploadCfg = _config.NpgsqlRestCfg.GetSection("UploadOptions");
if (uploadCfg.Exists() is false)
{
return new NpgsqlRestUploadOptions();
}
var result = new NpgsqlRestUploadOptions
{
Enabled = _config.GetConfigBool("Enabled", uploadCfg),
LogUploadEvent = _config.GetConfigBool("LogUploadEvent", uploadCfg, true),
LogUploadParameters = _config.GetConfigBool("LogUploadParameters", uploadCfg, false),
DefaultUploadHandler = _config.GetConfigStr("DefaultUploadHandler", uploadCfg) ?? "large_object",
UseDefaultUploadMetadataParameter = _config.GetConfigBool("UseDefaultUploadMetadataParameter", uploadCfg, false),
DefaultUploadMetadataParameterName = _config.GetConfigStr("DefaultUploadMetadataParameterName", uploadCfg) ?? "_upload_metadata",
UseDefaultUploadMetadataContextKey = _config.GetConfigBool("UseDefaultUploadMetadataContextKey", uploadCfg, false),
DefaultUploadMetadataContextKey = _config.GetConfigStr("DefaultUploadMetadataContextKey", uploadCfg) ?? "request.upload_metadata",
};
var uploadHandlersCfg = uploadCfg.GetSection("UploadHandlers");
UploadHandlerOptions uploadHandlerOptions;
if (uploadHandlersCfg.Exists() is false)
{
uploadHandlerOptions = new();
}
else
{
uploadHandlerOptions = new()
{
StopAfterFirstSuccess = _config.GetConfigBool("StopAfterFirstSuccess", uploadHandlersCfg, false),
IncludedMimeTypePatterns = _config.GetConfigStr("IncludedMimeTypePatterns", uploadHandlersCfg).SplitParameter(),
ExcludedMimeTypePatterns = _config.GetConfigStr("ExcludedMimeTypePatterns", uploadHandlersCfg).SplitParameter(),
BufferSize = _config.GetConfigInt("BufferSize", uploadHandlersCfg) ?? 8192,
TextTestBufferSize = _config.GetConfigInt("TextTestBufferSize", uploadHandlersCfg) ?? 4096,
TextNonPrintableThreshold = _config.GetConfigInt("TextNonPrintableThreshold", uploadHandlersCfg) ?? 5,
LargeObjectEnabled = _config.GetConfigBool("LargeObjectEnabled", uploadHandlersCfg, true),
LargeObjectKey = _config.GetConfigStr("LargeObjectKey", uploadHandlersCfg) ?? "large_object",
LargeObjectCheckText = _config.GetConfigBool("LargeObjectCheckText", uploadHandlersCfg, false),
LargeObjectCheckImage = _config.GetConfigBool("LargeObjectCheckImage", uploadHandlersCfg, false),
FileSystemEnabled = _config.GetConfigBool("FileSystemEnabled", uploadHandlersCfg, true),
FileSystemKey = _config.GetConfigStr("FileSystemKey", uploadHandlersCfg) ?? "file_system",
FileSystemPath = _config.GetConfigStr("FileSystemPath", uploadHandlersCfg) ?? "/tmp/uploads",
FileSystemUseUniqueFileName = _config.GetConfigBool("FileSystemUseUniqueFileName", uploadHandlersCfg, true),
FileSystemCreatePathIfNotExists = _config.GetConfigBool("FileSystemCreatePathIfNotExists", uploadHandlersCfg, true),
FileSystemCheckText = _config.GetConfigBool("FileSystemCheckText", uploadHandlersCfg, false),
FileSystemCheckImage = _config.GetConfigBool("FileSystemCheckImage", uploadHandlersCfg, false),
CsvUploadEnabled = _config.GetConfigBool("CsvUploadEnabled", uploadHandlersCfg, true),
CsvUploadKey = _config.GetConfigStr("CsvUploadKey", uploadHandlersCfg) ?? "csv",
CsvUploadCheckFileStatus = _config.GetConfigBool("CsvUploadCheckFileStatus", uploadHandlersCfg, true),
CsvUploadDelimiterChars = _config.GetConfigStr("CsvUploadDelimiterChars", uploadHandlersCfg) ?? ",",
CsvUploadHasFieldsEnclosedInQuotes = _config.GetConfigBool("CsvUploadHasFieldsEnclosedInQuotes", uploadHandlersCfg, true),
CsvUploadSetWhiteSpaceToNull = _config.GetConfigBool("CsvUploadSetWhiteSpaceToNull", uploadHandlersCfg, true),
CsvUploadRowCommand = _config.GetConfigStr("CsvUploadRowCommand", uploadHandlersCfg) ?? "call process_csv_row($1,$2,$3,$4)",
RowCommandUserClaimsKey = _config.GetConfigStr("RowCommandUserClaimsKey", uploadHandlersCfg) ?? "claims",
};
var imageTypes = _config.GetConfigStr("AllowedImageTypes", uploadHandlersCfg)?.ParseImageTypes(null);
if (imageTypes is not null)
{
uploadHandlerOptions.AllowedImageTypes = imageTypes.Value;
}
}
result.DefaultUploadHandlerOptions = uploadHandlerOptions;
result.UploadHandlers = result.CreateUploadHandlers();
if (_config.GetConfigBool("ExcelUploadEnabled", uploadHandlersCfg, true))
{
// Initialize ExcelDataReader encoding provider
System.Text.Encoding.RegisterProvider(System.Text.CodePagesEncodingProvider.Instance);
ExcelUploadOptions.Instance.ExcelSheetName = _config.GetConfigStr("ExcelSheetName", uploadHandlersCfg) ?? null;
ExcelUploadOptions.Instance.ExcelAllSheets = _config.GetConfigBool("ExcelAllSheets", uploadHandlersCfg, false);
ExcelUploadOptions.Instance.ExcelTimeFormat = _config.GetConfigStr("ExcelTimeFormat", uploadHandlersCfg) ?? "HH:mm:ss";
ExcelUploadOptions.Instance.ExcelDateFormat = _config.GetConfigStr("ExcelDateFormat", uploadHandlersCfg) ?? "yyyy-MM-dd";
ExcelUploadOptions.Instance.ExcelDateTimeFormat = _config.GetConfigStr("ExcelDateTimeFormat", uploadHandlersCfg) ?? "yyyy-MM-dd HH:mm:ss";
ExcelUploadOptions.Instance.ExcelRowDataAsJson = _config.GetConfigBool("ExcelRowDataAsJson", uploadHandlersCfg, false);
ExcelUploadOptions.Instance.ExcelUploadRowCommand = _config.GetConfigStr("ExcelUploadRowCommand", uploadHandlersCfg) ?? "call process_excel_row($1,$2,$3,$4)";
result?.UploadHandlers?.Add(
_config.GetConfigStr("ExcelKey", uploadHandlersCfg) ?? "excel",
strategy => new ExcelUploadHandler(result, strategy));
}
if (result?.UploadHandlers is not null && result.UploadHandlers.Count > 1)
{
_builder.ClientLogger?.LogDebug("Using {Keys} upload handlers where {DefaultUploadHandler} is default.", result.UploadHandlers.Keys, result.DefaultUploadHandler);
foreach (var uploadHandler in result.UploadHandlers)
{
_builder.ClientLogger?.LogTrace("Upload handler {Key} has following parameters: {Parameters}",
uploadHandler.Key, uploadHandler.Value(null!).SetType(uploadHandler.Key).Parameters);
}
}
return result!;
}
public Dictionary<string, NpgsqlRest.TableFormatHandlers.ITableFormatHandler>? CreateTableFormatHandlers()
{
var cfg = _config.NpgsqlRestCfg.GetSection("TableFormatOptions");
if (cfg.Exists() is false)
{
return null;
}
if (_config.GetConfigBool("Enabled", cfg, false) is false)
{
return null;
}
var result = new Dictionary<string, NpgsqlRest.TableFormatHandlers.ITableFormatHandler>();
if (_config.GetConfigBool("HtmlEnabled", cfg, true))
{
var handler = new NpgsqlRest.TableFormatHandlers.HtmlTableFormatHandler
{
Header = _config.GetConfigStr("HtmlHeader", cfg) ??
"<style>table{font-family:Calibri,Arial,sans-serif;font-size:11pt;border-collapse:collapse}" +
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