#631: Derselbe Vorschlag (gleicher Agent, gleiches Werkzeug, gleiche Argumente unabhaengig von Schluesselreihenfolge) wird nicht erneut angelegt - der Agent erfaehrt die bestehende Nummer. Offene Vorschlaege verfallen nach 24 h (Status Expired). #609: Werkzeuge koennen den Freigabeschluessel aus dem Inhalt bestimmen (IAgentTool.StagingAktion). Database: SELECT/SHOW/DESCRIBE -> query, INSERT/UPDATE/DELETE -> write, DDL -> schema; write und schema sind freigabepflichtig. Ausgefuehrt wird nach Statement-Art, schreibende Statements melden die Zeilenzahl. #579: Database-Vorpruefung (Zugriffsebene, Tabellenfreigabe, SqlGuard) - was das Werkzeug ablehnen wuerde, kommt nicht mehr in die Freigabeliste. #610: SqlGuard ueberspringt IF [NOT] EXISTS und erkennt DESCRIBE/DESC <tabelle>. #632: WebFetch fetch mit filter liefert aus JSON/JSONP nur passende Eintraege; beim Blaettern durch grosses JSON empfiehlt der Hinweis den filter. Version 0.1.10. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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using System.Text.Json;
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using ClawdDotNet.Core.Tools;
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using ClawdDotNet.Tools.Database;
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using ClawdDotNet.Tools.Tests.FileRW;
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using Microsoft.Extensions.Logging.Abstractions;
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using Shouldly;
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namespace ClawdDotNet.Tools.Tests.Database;
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/// <summary>
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/// Vorpruefung (#579) und Freigabeschluessel (#609) des Database-Werkzeugs - beides ohne
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/// Datenbankverbindung pruefbar, weil es nur Konfiguration und Statement ansieht.
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/// </summary>
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public sealed class DatabaseVorpruefungTests
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{
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private static readonly DatabaseTool Tool = new();
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private static AgentToolContext Kontext(string accessLevel, params string[] tabellen) => new(
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"agent", "inst",
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new Dictionary<string, object?>
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{
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["type"] = "mysql",
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["connectionString"] = "Server=nirgends",
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["accessLevel"] = accessLevel,
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["allowedTables"] = JsonSerializer.SerializeToElement(tabellen)
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},
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new NullStateStore(), NullLogger.Instance, CancellationToken.None);
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private static JsonElement Sql(string sql, string action = "query")
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=> JsonSerializer.SerializeToElement(new { action, sql });
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[Fact]
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public void Ein_Agent_mit_Leserechten_bekommt_sein_INSERT_sofort_abgelehnt_statt_zur_Freigabe()
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=> Tool.Preflight(Sql("INSERT INTO messwerte (ort) VALUES ('Berlin')", "insert"), Kontext("ReadOnly", "messwerte"))
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.ShouldNotBeNull().ShouldContain("ReadOnly");
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[Fact]
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public void Strukturaenderung_ohne_Admin_wird_vorab_abgelehnt()
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=> Tool.Preflight(Sql("ALTER TABLE messwerte ADD COLUMN x INT"), Kontext("ReadWrite", "messwerte"))
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.ShouldNotBeNull().ShouldContain("DDL");
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[Fact]
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public void Fremde_Tabelle_wird_vorab_abgelehnt()
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=> Tool.Preflight(Sql("SELECT * FROM protokoll"), Kontext("ReadOnly", "messwerte"))
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.ShouldNotBeNull().ShouldContain("protokoll");
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[Theory]
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[InlineData("SELECT * FROM messwerte", "ReadOnly")]
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[InlineData("INSERT INTO messwerte (ort) VALUES ('Berlin')", "ReadWrite")]
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[InlineData("CREATE TABLE IF NOT EXISTS messwerte (id INT)", "Admin")]
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[InlineData("DESCRIBE messwerte", "ReadOnly")]
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public void Erlaubtes_passiert_die_Vorpruefung(string sql, string level)
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=> Tool.Preflight(Sql(sql), Kontext(level, "messwerte")).ShouldBeNull();
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[Theory]
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[InlineData("SELECT * FROM messwerte", "query", "query")]
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[InlineData("INSERT INTO messwerte (ort) VALUES ('Berlin')", "query", "write")]
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[InlineData("UPDATE messwerte SET ort = 'X'", "insert", "write")]
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[InlineData("CREATE TABLE messwerte (id INT)", "query", "schema")]
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[InlineData("DROP TABLE IF EXISTS messwerte", "query", "schema")]
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public void Der_Freigabeschluessel_folgt_dem_Statement_nicht_dem_action_Argument(string sql, string action, string erwartet)
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=> Tool.StagingAktion(Sql(sql, action)).ShouldBe(erwartet);
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[Fact]
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public void Ohne_sql_gilt_das_action_Argument_wie_bei_MongoDB()
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=> Tool.StagingAktion(JsonSerializer.SerializeToElement(new { action = "insert", collection = "c" })).ShouldBeNull();
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}
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@@ -22,6 +22,30 @@ public sealed class SqlGuardTests
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// Angriffe — alle müssen abgelehnt werden
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// ═══════════════════════════════════════════════════════════
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// ─── #610: wiederholbares Anlegen und Strukturabfragen ───
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[Theory]
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[InlineData("CREATE TABLE IF NOT EXISTS prices (id INT)", SqlOperation.Schema)]
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[InlineData("DROP TABLE IF EXISTS prices", SqlOperation.Schema)]
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[InlineData("DESCRIBE prices", SqlOperation.Read)]
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[InlineData("DESC prices", SqlOperation.Read)]
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[InlineData("SHOW COLUMNS FROM prices", SqlOperation.Read)]
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public void IF_NOT_EXISTS_und_Strukturabfragen_nennen_die_richtige_Tabelle(string sql, SqlOperation operation)
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{
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var result = Inspect(sql);
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result.IsValid.ShouldBeTrue(result.Error);
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result.Operation.ShouldBe(operation);
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result.Tables.ShouldBe(["prices"]);
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}
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[Theory]
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[InlineData("CREATE TABLE IF NOT EXISTS users (id INT)")]
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[InlineData("DROP TABLE IF EXISTS users")]
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[InlineData("DESCRIBE users")]
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public void IF_EXISTS_und_DESCRIBE_oeffnen_keine_fremde_Tabelle(string sql)
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=> Inspect(sql).IsValid.ShouldBeFalse();
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[Theory]
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[InlineData("DELETE FROM users -- prices")]
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[InlineData("DELETE FROM users /* prices */")]
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