Initial commit

application/Espo/Core/Exceptions/BadRequest.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Exceptions\Error\Body;
+use Espo\Core\Utils\Log;
+use Throwable;
+use Exception;
+
+/**
+ * A bad request exception. Main purpose is for the 400 Bad Request HTTP error.
+ * If uncaught within an API request, the message will be printed to the X-Status-Reason header.
+ */
+class BadRequest extends Exception implements HasBody, HasLogLevel
+{
+    /** @var int */
+    protected $code = 400;
+    protected ?string $body = null;
+
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * Create with a body (supposed to be sent to the frontend).
+     * Body object is supported since v8.1.
+     */
+    public static function createWithBody(string $reason, string|Body $body): self
+    {
+        if ($body instanceof Body) {
+            $body = $body->encode();
+        }
+
+        $exception = new static($reason);
+        $exception->body = $body;
+
+        return $exception;
+    }
+
+    public function getBody(): ?string
+    {
+        return $this->body;
+    }
+
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_WARNING;
+    }
+}

application/Espo/Core/Exceptions/Conflict.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Exceptions\Error\Body;
+use Exception;
+use Throwable;
+
+/**
+ * A conflict exception. Main purpose is for the 409 Conflict HTTP error.
+ * If uncaught within an API request, the message will be printed to the X-Status-Reason header.
+ */
+class Conflict extends Exception implements HasBody
+{
+    /** @var int */
+    protected $code = 409;
+    private ?string $body = null;
+
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * Create with a body (supposed to be sent to the frontend).
+     * Body object is supported since v8.1.
+     */
+    public static function createWithBody(string $reason, string|Body $body): self
+    {
+        if ($body instanceof Body) {
+            $body = $body->encode();
+        }
+
+        $exception = new static($reason);
+        $exception->body = $body;
+
+        return $exception;
+    }
+
+    public function getBody(): ?string
+    {
+        return $this->body;
+    }
+}

application/Espo/Core/Exceptions/ConflictSilent.php

@@ -0,0 +1,40 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Utils\Log;
+
+class ConflictSilent extends Conflict implements HasLogLevel
+{
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_NOTICE;
+    }
+}

application/Espo/Core/Exceptions/Error.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Exceptions\Error\Body;
+use Throwable;
+
+/**
+ * An exception for 500 Internal Server Error.
+ * If uncaught within an API request, the message will be printed to the X-Status-Reason header.
+ */
+class Error extends InternalServerError implements HasBody
+{
+    private ?string $body = null;
+
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * Create with a body (supposed to be sent to the frontend).
+     * Body object is supported since v8.1.
+     */
+    public static function createWithBody(string $message, string|Body $body): self
+    {
+        if ($body instanceof Body) {
+            $body = $body->encode();
+        }
+
+        $exception = new static($message);
+        $exception->body = $body;
+
+        return $exception;
+    }
+
+    public function getBody(): ?string
+    {
+        return $this->body;
+    }
+}

application/Espo/Core/Exceptions/Error/Body.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions\Error;
+
+use Espo\Core\Utils\Json;
+
+/**
+ * A wrapper for error message data for the frontend. Supposed to be passed encoded to `createWithBody`
+ * methods of exceptions.
+ */
+class Body
+{
+    private ?string $messageTranslationLabel = null;
+    private ?string $messageTranslationScope = null;
+    /** @var ?array<string, string> */
+    private ?array $messageTranslationData = null;
+    private ?string $message = null;
+
+    public static function create(): self
+    {
+        return new self();
+    }
+
+    /**
+     * A translatable message to display in frontend. Labels should be in the `messages` category.
+     *
+     * @param ?array<string, string> $data
+     */
+    public function withMessageTranslation(string $label, ?string $scope = null, ?array $data = null): self
+    {
+        $obj = clone $this;
+
+        $obj->messageTranslationLabel = $label;
+        $obj->messageTranslationScope = $scope;
+        $obj->messageTranslationData = $data;
+
+        return $obj;
+    }
+
+    public function withMessage(string $message): self
+    {
+        $obj = clone $this;
+        $obj->message = $message;
+
+        return $obj;
+    }
+
+    public function encode(): string
+    {
+        $data = (object) [];
+
+        if ($this->messageTranslationLabel) {
+            $messageTranslationData = (object) ($this->messageTranslationData ?? []);
+
+            $data->messageTranslation = (object) [
+                'label' => $this->messageTranslationLabel,
+                'scope' => $this->messageTranslationScope,
+                'data' => $messageTranslationData,
+            ];
+        }
+
+        if ($this->message) {
+            $data->message = $this->message;
+        }
+
+        return Json::encode($data);
+    }
+}

application/Espo/Core/Exceptions/ErrorSilent.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Utils\Log;
+
+class ErrorSilent extends Error implements HasLogLevel
+{
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_NOTICE;
+    }
+}

application/Espo/Core/Exceptions/Forbidden.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Exceptions\Error\Body;
+use Espo\Core\Utils\Log;
+use Throwable;
+use Exception;
+
+/**
+ * A forbidden exception. Main purpose is for the 403 Forbidden HTTP error.
+ * If uncaught within an API request, the message will be printed to the X-Status-Reason header.
+ */
+class Forbidden extends Exception implements HasBody, HasLogLevel
+{
+    /** @var int */
+    protected $code = 403;
+    private ?string $body = null;
+
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * Create with a body (supposed to be sent to the frontend).
+     * Body object is supported since v8.1.
+     */
+    public static function createWithBody(string $message, string|Body $body): self
+    {
+        if ($body instanceof Body) {
+            $body = $body->encode();
+        }
+
+        $exception = new static($message);
+        $exception->body = $body;
+
+        return $exception;
+    }
+
+    public function getBody(): ?string
+    {
+        return $this->body;
+    }
+
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_WARNING;
+    }
+}

application/Espo/Core/Exceptions/ForbiddenSilent.php

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+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Utils\Log;
+
+class ForbiddenSilent extends Forbidden implements HasLogLevel
+{
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_NOTICE;
+    }
+}

application/Espo/Core/Exceptions/HasBody.php

@@ -0,0 +1,41 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+/**
+ * Has a body supposed to be sent to the frontend.
+ */
+interface HasBody
+{
+    /**
+     * Get a body (supposed to be sent to the frontend).
+     */
+    public function getBody(): ?string;
+}

application/Espo/Core/Exceptions/HasLogLevel.php

@@ -0,0 +1,41 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+/**
+ * Has a specific log level (for the logger).
+ */
+interface HasLogLevel
+{
+    /**
+     * Get a log level.
+     */
+    public function getLogLevel(): string;
+}

application/Espo/Core/Exceptions/HasLogMessage.php

@@ -0,0 +1,41 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+/**
+ * Has a log message (for the logger).
+ */
+interface HasLogMessage
+{
+    /**
+     * Get a log message.
+     */
+    public function getLogMessage(): string;
+}

application/Espo/Core/Exceptions/InternalServerError.php

@@ -0,0 +1,36 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+class InternalServerError extends \Exception
+{
+    /** @var int */
+    protected $code = 500;
+}

application/Espo/Core/Exceptions/NotFound.php

@@ -0,0 +1,48 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Utils\Log;
+use Exception;
+
+/**
+ * A not-found exception. Main purpose is for the 404 Not Found HTTP error.
+ * If uncaught within an API request, the message will be printed to the X-Status-Reason header.
+ */
+class NotFound extends Exception implements HasLogLevel
+{
+    /** @var int */
+    protected $code = 404;
+
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_WARNING;
+    }
+}

application/Espo/Core/Exceptions/NotFoundSilent.php

@@ -0,0 +1,40 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Utils\Log;
+
+class NotFoundSilent extends NotFound implements HasLogLevel
+{
+    public function getLogLevel(): string
+    {
+        return Log::LEVEL_NOTICE;
+    }
+}

application/Espo/Core/Exceptions/ServiceUnavailable.php

@@ -0,0 +1,66 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Espo\Core\Exceptions\Error\Body;
+use Throwable;
+
+class ServiceUnavailable extends \Exception implements HasBody
+{
+    /** @var int */
+    protected $code = 503;
+    private ?string $body = null;
+
+    final public function __construct(string $message = '', int $code = 0, ?Throwable $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+    }
+
+    /**
+     * Create with a body (supposed to be sent to the frontend).
+     * Body object is supported since v8.1.
+     */
+    public static function createWithBody(string $message, string|Body $body): self
+    {
+        if ($body instanceof Body) {
+            $body = $body->encode();
+        }
+
+        $exception = new static($message);
+        $exception->body = $body;
+
+        return $exception;
+    }
+
+    public function getBody(): ?string
+    {
+        return $this->body;
+    }
+}

application/Espo/Core/Exceptions/Unauthorized.php

@@ -0,0 +1,38 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM – Open Source CRM application.
+ * Copyright (C) 2014-2025 EspoCRM, Inc.
+ * Website: https://www.espocrm.com
+ *
+ * This program 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.
+ *
+ * This program 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/>.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU Affero General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Exceptions;
+
+use Exception;
+
+class Unauthorized extends Exception
+{
+    /** @var int */
+    protected $code = 401;
+}