Method validateToolParams

packages/core/src/tools/shell.ts:365–409

(
    params: ShellToolParams,
  )

  }

  protected override validateToolParams(
    params: ShellToolParams,
  ): string | null {
    const commandCheck = isCommandAllowed(params.command, this.config);
    if (!commandCheck.allowed) {
      if (!commandCheck.reason) {
        console.error(
          'Unexpected: isCommandAllowed returned false without a reason',
        );
        return `Command is not allowed: ${params.command}`;
      }
      return commandCheck.reason;
    }
    const errors = SchemaValidator.validate(
      this.schema.parametersJsonSchema,
      params,
    );
    if (errors) {
      return errors;
    }
    if (!params.command.trim()) {
      return 'Command cannot be empty.';
    }
    if (getCommandRoots(params.command).length === 0) {
      return 'Could not identify command root to obtain permission from user.';
    }
    if (params.directory) {
      if (path.isAbsolute(params.directory)) {
        return 'Directory cannot be absolute. Please refer to workspace directories by their name.';
      }
      const workspaceDirs = this.config.getWorkspaceContext().getDirectories();
      const matchingDirs = workspaceDirs.filter(
        (dir) => path.basename(dir) === params.directory,
      );

      if (matchingDirs.length === 0) {
        return `Directory '${params.directory}' is not a registered workspace directory.`;
      }

      if (matchingDirs.length > 1) {
        return `Directory name '${params.directory}' is ambiguous as it matches multiple workspace directories.`;
      }
    }
    return null;
  }

  protected createInvocation(
    params: ShellToolParams,