MAPIUtils

Complexity

Total Complexity

144

Size/Duplication

Total Lines	855
Duplicated Lines	0 %

Importance

Changes	2
Bugs	0	Features	0

22 Methods

Rating	Name	Duplication	Size	Complexity
A	createEntryIdObj()	0	3	2
A	GetContactPicRestriction()	0	7	1
A	GetEmailAddressRestriction()	0	29	1
A	getEID_V0Version()	0	42	1
B	IsMessageSharedAndPrivate()	0	19	7
A	IsInEmailSyncInterval()	0	12	3
A	readPropStream()	0	24	5
A	GetSignedAttachmentRestriction()	0	7	1
A	GetError()	0	10	5
A	IsUnicodeStore()	0	6	3
A	getPadding()	0	17	3
F	GetNativeBodyType()	0	91	54
A	GetEmailRestriction()	0	8	1
B	ParseSmime()	0	34	8
A	GetSubfoldersForType()	0	8	2
B	IsInCalendarSyncInterval()	0	35	11
A	GetFolderTypeRestriction()	0	7	1
A	getEIDVersion()	0	42	1
A	GetCalendarRestriction()	0	96	1
D	GetContainerClassFromFolderType()	0	38	19
C	CompareEntryIds()	0	30	13
A	GetSearchRestriction()	0	50	1

<?php
/*
 * SPDX-License-Identifier: AGPL-3.0-only
 * SPDX-FileCopyrightText: Copyright 2007-2013,2016 Zarafa Deutschland GmbH
 * SPDX-FileCopyrightText: Copyright 2020-2022 grommunio GmbH
 */

/**
 * MAPI to AS mapping class.
 */
class MAPIUtils {
	/**
	 * Create a MAPI restriction to use within an email folder which will
	 * return all messages since since $timestamp.
	 *
	 * @param long $timestamp Timestamp since when to include messages

The type long was not found. Maybe you did not declare it correctly or list all dependencies?

	 *
	 * @return array
	 */
	public static function GetEmailRestriction($timestamp) {
		// ATTENTION: ON CHANGING THIS RESTRICTION, MAPIUtils::IsInEmailSyncInterval() also needs to be changed
		return [
			RES_PROPERTY,
			[
				RELOP => RELOP_GE,
				ULPROPTAG => PR_MESSAGE_DELIVERY_TIME,
				VALUE => $timestamp,
			],
		];
	}

	/**
	 * Create a MAPI restriction to use in the calendar which will
	 * return all future calendar items, plus those since $timestamp.
	 *
	 * @param MAPIStore $store     the MAPI store

The type MAPIStore was not found. Maybe you did not declare it correctly or list all dependencies?

	 * @param long      $timestamp Timestamp since when to include messages
	 *
	 * @return array
	 */
	// TODO getting named properties
	public static function GetCalendarRestriction($store, $timestamp) {
		// This is our viewing window
		$start = $timestamp;
		$end = 0x7FFFFFFF; // infinite end

		$props = MAPIMapping::GetAppointmentProperties();
		$props = getPropIdsFromStrings($store, $props);

		// ATTENTION: ON CHANGING THIS RESTRICTION, MAPIUtils::IsInCalendarSyncInterval() also needs to be changed
		return [
			RES_OR,
			[
				// OR
				// item.end > window.start && item.start < window.end
				[
					RES_AND,
					[
						[
							RES_PROPERTY,
							[
								RELOP => RELOP_LE,
								ULPROPTAG => $props["starttime"],
								VALUE => $end,
							],
						],
						[
							RES_PROPERTY,
							[
								RELOP => RELOP_GE,
								ULPROPTAG => $props["endtime"],
								VALUE => $start,
							],
						],
					],
				],
				// OR
				[
					RES_OR,
					[
						// OR
						// (EXIST(recurrence_enddate_property) && item[isRecurring] == true && recurrence_enddate_property >= start)
						[
							RES_AND,
							[
								[
									RES_EXIST,
									[ULPROPTAG => $props["recurrenceend"],
									],
								],
								[
									RES_PROPERTY,
									[
										RELOP => RELOP_EQ,
										ULPROPTAG => $props["isrecurring"],
										VALUE => true,
									],
								],
								[
									RES_PROPERTY,
									[
										RELOP => RELOP_GE,
										ULPROPTAG => $props["recurrenceend"],
										VALUE => $start,
									],
								],
							],
						],
						// OR
						// (!EXIST(recurrence_enddate_property) && item[isRecurring] == true && item[start] <= end)
						[
							RES_AND,
							[
								[
									RES_NOT,
									[
										[
											RES_EXIST,
											[ULPROPTAG => $props["recurrenceend"],
											],
										],
									],
								],
								[
									RES_PROPERTY,
									[
										RELOP => RELOP_LE,
										ULPROPTAG => $props["starttime"],
										VALUE => $end,
									],
								],
								[
									RES_PROPERTY,
									[
										RELOP => RELOP_EQ,
										ULPROPTAG => $props["isrecurring"],
										VALUE => true,
									],
								],
							],
						],
					],
				], // EXISTS OR
			],
		];        // global OR
	}

	/**
	 * Create a MAPI restriction in order to check if a contact has a picture.
	 *
	 * @return array
	 */
	public static function GetContactPicRestriction() {
		return [
			RES_PROPERTY,
			[
				RELOP => RELOP_EQ,
				ULPROPTAG => mapi_prop_tag(PT_BOOLEAN, 0x7FFF),

The function mapi_prop_tag was not found. Maybe you did not declare it correctly or list all dependencies?

				VALUE => true,
			],
		];
	}

	/**
	 * Create a MAPI restriction for search.
	 *
	 * @param string $query
	 *
	 * @return array
	 */
	public static function GetSearchRestriction($query) {
		return [
			RES_AND,
			[
				[
					RES_OR,
					[
						[
							RES_CONTENT,
							[
								FUZZYLEVEL => FL_SUBSTRING | FL_IGNORECASE,
								ULPROPTAG => PR_DISPLAY_NAME,
								VALUE => $query,
							],
						],
						[
							RES_CONTENT,
							[
								FUZZYLEVEL => FL_SUBSTRING | FL_IGNORECASE,
								ULPROPTAG => PR_ACCOUNT,
								VALUE => $query,
							],
						],
						[
							RES_CONTENT,
							[
								FUZZYLEVEL => FL_SUBSTRING | FL_IGNORECASE,
								ULPROPTAG => PR_SMTP_ADDRESS,
								VALUE => $query,
							],
						],
					], // RES_OR
				],
				[
					RES_OR,
					[
						[
							RES_PROPERTY,
							[
								RELOP => RELOP_EQ,
								ULPROPTAG => PR_OBJECT_TYPE,
								VALUE => MAPI_MAILUSER,
							],
						],
						[
							RES_PROPERTY,
							[
								RELOP => RELOP_EQ,
								ULPROPTAG => PR_OBJECT_TYPE,
								VALUE => MAPI_DISTLIST,
							],
						],
					],
				], // RES_OR
			], // RES_AND
		];
	}

	/**
	 * Create a MAPI restriction for a certain email address.
	 *
	 * @param MAPIStore $store the MAPI store
	 * @param string    $query email address
	 * @param mixed     $email
	 *
	 * @return array
	 */
	public static function GetEmailAddressRestriction($store, $email) {
		$props = MAPIMapping::GetContactProperties();
		$props = getPropIdsFromStrings($store, $props);

		return [
			RES_OR,
			[
				[
					RES_PROPERTY,
					[
						RELOP => RELOP_EQ,
						ULPROPTAG => $props['emailaddress1'],
						VALUE => [$props['emailaddress1'] => $email],
					],
				],
				[
					RES_PROPERTY,
					[
						RELOP => RELOP_EQ,
						ULPROPTAG => $props['emailaddress2'],
						VALUE => [$props['emailaddress2'] => $email],
					],
				],
				[
					RES_PROPERTY,
					[
						RELOP => RELOP_EQ,
						ULPROPTAG => $props['emailaddress3'],
						VALUE => [$props['emailaddress3'] => $email],
					],
				],
			],
		];
	}

	/**
	 * Create a MAPI restriction for a certain folder type.
	 *
	 * @param string $foldertype folder type for restriction
	 *
	 * @return array
	 */
	public static function GetFolderTypeRestriction($foldertype) {
		return [
			RES_PROPERTY,
			[
				RELOP => RELOP_EQ,
				ULPROPTAG => PR_CONTAINER_CLASS,
				VALUE => [PR_CONTAINER_CLASS => $foldertype],
			],
		];
	}

	/**
	 * Returns subfolders of given type for a folder or false if there are none.
	 *
	 * @param MAPIFolder $folder

The type MAPIFolder was not found. Maybe you did not declare it correctly or list all dependencies?

	 * @param string     $type
	 *
	 * @return bool|MAPITable

The type MAPITable was not found. Maybe you did not declare it correctly or list all dependencies?

	 */
	public static function GetSubfoldersForType($folder, $type) {
		$subfolders = mapi_folder_gethierarchytable($folder, CONVENIENT_DEPTH);

The function mapi_folder_gethierarchytable was not found. Maybe you did not declare it correctly or list all dependencies?

		mapi_table_restrict($subfolders, MAPIUtils::GetFolderTypeRestriction($type));

The function mapi_table_restrict was not found. Maybe you did not declare it correctly or list all dependencies?

		if (mapi_table_getrowcount($subfolders) > 0) {

The function mapi_table_getrowcount was not found. Maybe you did not declare it correctly or list all dependencies?

			return mapi_table_queryallrows($subfolders, [PR_ENTRYID]);

The function mapi_table_queryallrows was not found. Maybe you did not declare it correctly or list all dependencies?

		}

		return false;
	}

	/**
	 * Checks if mapimessage is inside the synchronization interval
	 * also defined by MAPIUtils::GetEmailRestriction().
	 *
	 * @param MAPIStore   $store       mapi store
	 * @param MAPIMessage $mapimessage the mapi message to be checked

The type MAPIMessage was not found. Maybe you did not declare it correctly or list all dependencies?

	 * @param long        $timestamp   the lower time limit
	 *
	 * @return bool
	 */
	public static function IsInEmailSyncInterval($store, $mapimessage, $timestamp) {
		$p = mapi_getprops($mapimessage, [PR_MESSAGE_DELIVERY_TIME]);

The function mapi_getprops was not found. Maybe you did not declare it correctly or list all dependencies?

		if (isset($p[PR_MESSAGE_DELIVERY_TIME]) && $p[PR_MESSAGE_DELIVERY_TIME] >= $timestamp) {
			SLog::Write(LOGLEVEL_DEBUG, "MAPIUtils->IsInEmailSyncInterval: Message is in the synchronization interval");

			return true;
		}

		SLog::Write(LOGLEVEL_WARN, "MAPIUtils->IsInEmailSyncInterval: Message is OUTSIDE the synchronization interval");

		return false;
	}

	/**
	 * Checks if mapimessage is inside the synchronization interval
	 * also defined by MAPIUtils::GetCalendarRestriction().
	 *
	 * @param MAPIStore   $store       mapi store
	 * @param MAPIMessage $mapimessage the mapi message to be checked
	 * @param long        $timestamp   the lower time limit
	 *
	 * @return bool
	 */
	public static function IsInCalendarSyncInterval($store, $mapimessage, $timestamp) {
		// This is our viewing window
		$start = $timestamp;
		$end = 0x7FFFFFFF; // infinite end

		$props = MAPIMapping::GetAppointmentProperties();
		$props = getPropIdsFromStrings($store, $props);

		$p = mapi_getprops($mapimessage, [$props["starttime"], $props["endtime"], $props["recurrenceend"], $props["isrecurring"], $props["recurrenceend"]]);

The function mapi_getprops was not found. Maybe you did not declare it correctly or list all dependencies?

		if (
				(
					isset($p[$props["endtime"]], $p[$props["starttime"]]) &&
					// item.end > window.start && item.start < window.end
					$p[$props["endtime"]] > $start && $p[$props["starttime"]] < $end
				) ||
			(
				isset($p[$props["isrecurring"]], $p[$props["recurrenceend"]]) &&
					// (EXIST(recurrence_enddate_property) && item[isRecurring] == true && recurrence_enddate_property >= start)
					 $p[$props["isrecurring"]] == true && $p[$props["recurrenceend"]] >= $start
			) ||
			(
				isset($p[$props["isrecurring"]], $p[$props["starttime"]]) &&
					// (!EXIST(recurrence_enddate_property) && item[isRecurring] == true && item[start] <= end)
					!isset($p[$props["recurrenceend"]]) && $p[$props["isrecurring"]] == true && $p[$props["starttime"]] <= $end
			)
		   ) {
			SLog::Write(LOGLEVEL_DEBUG, "MAPIUtils->IsInCalendarSyncInterval: Message is in the synchronization interval");

			return true;
		}

		SLog::Write(LOGLEVEL_WARN, "MAPIUtils->IsInCalendarSyncInterval: Message is OUTSIDE the synchronization interval");

		return false;
	}

	/**
	 * Checks if mapimessage is in a shared folder and private.
	 *
	 * @param string      $folderid    binary folderid of the message
	 * @param MAPIMessage $mapimessage the mapi message to be checked
	 *
	 * @return bool
	 */
	public static function IsMessageSharedAndPrivate($folderid, $mapimessage) {
		$sensitivity = mapi_getprops($mapimessage, [PR_SENSITIVITY]);

The function mapi_getprops was not found. Maybe you did not declare it correctly or list all dependencies?

		if (isset($sensitivity[PR_SENSITIVITY]) && $sensitivity[PR_SENSITIVITY] >= SENSITIVITY_PRIVATE) {
			$hexFolderid = bin2hex($folderid);
			$shortId = GSync::GetDeviceManager()->GetFolderIdForBackendId($hexFolderid);
			if (Utils::GetFolderOriginFromId($shortId) == DeviceManager::FLD_ORIGIN_IMPERSONATED) {
				SLog::Write(LOGLEVEL_DEBUG, sprintf("MAPIUtils->IsMessageSharedAndPrivate(): Message is in impersonated store '%s' and marked as private", GSync::GetBackend()->GetImpersonatedUser()));

				return true;
			}
			$sharedUser = GSync::GetAdditionalSyncFolderStore($hexFolderid);
			if (Utils::GetFolderOriginFromId($shortId) != DeviceManager::FLD_ORIGIN_USER && $sharedUser != false && $sharedUser != 'SYSTEM') {

It seems like you are loosely comparing $sharedUser of type string to the boolean false. If you are specifically checking for a non-empty string, consider using the more explicit !== '' instead.

				SLog::Write(LOGLEVEL_DEBUG, sprintf("MAPIUtils->IsMessageSharedAndPrivate(): Message is in shared store '%s' and marked as private", $sharedUser));

				return true;
			}
		}

		return false;
	}

	/**
	 * Reads data of large properties from a stream.
	 *
	 * @param MAPIMessage $message
	 * @param long        $prop
	 *
	 * @return string
	 */
	public static function readPropStream($message, $prop) {
		$stream = mapi_openproperty($message, $prop, IID_IStream, 0, 0);

The function mapi_openproperty was not found. Maybe you did not declare it correctly or list all dependencies?

		$ret = mapi_last_hresult();

The function mapi_last_hresult was not found. Maybe you did not declare it correctly or list all dependencies?

		if ($ret == MAPI_E_NOT_FOUND) {
			SLog::Write(LOGLEVEL_DEBUG, sprintf("MAPIUtils->readPropStream: property 0x%08X not found. It is either empty or not set. It will be ignored.", $prop));

			return "";
		}
		if ($ret) {
			SLog::Write(LOGLEVEL_ERROR, "MAPIUtils->readPropStream error opening stream: 0x%08X", $ret);

			return "";
		}
		$data = "";

The assignment to $data is dead and can be removed.

		$string = "";
		while (1) {
			$data = mapi_stream_read($stream, 1024);

The function mapi_stream_read was not found. Maybe you did not declare it correctly or list all dependencies?

			if (strlen($data) == 0) {
				break;
			}
			$string .= $data;
		}

		return $string;
	}

	/**
	 * Checks if a store supports properties containing unicode characters.
	 *
	 * @param MAPIStore $store
	 *
	 * @return
	 */
	public static function IsUnicodeStore($store) {
		$supportmask = mapi_getprops($store, [PR_STORE_SUPPORT_MASK]);

The function mapi_getprops was not found. Maybe you did not declare it correctly or list all dependencies?

		if (isset($supportmask[PR_STORE_SUPPORT_MASK]) && ($supportmask[PR_STORE_SUPPORT_MASK] & STORE_UNICODE_OK)) {
			SLog::Write(LOGLEVEL_DEBUG, "Store supports properties containing Unicode characters.");
			define('STORE_SUPPORTS_UNICODE', true);
			define('STORE_INTERNET_CPID', INTERNET_CPID_UTF8);
		}
	}

	/**
	 * Returns the MAPI PR_CONTAINER_CLASS string for an ActiveSync Foldertype.
	 *
	 * @param int $foldertype
	 *
	 * @return string
	 */
	public static function GetContainerClassFromFolderType($foldertype) {
		switch ($foldertype) {
			case SYNC_FOLDER_TYPE_TASK:
			case SYNC_FOLDER_TYPE_USER_TASK:
				return "IPF.Task";
				break;

break is not strictly necessary here and could be removed.

			case SYNC_FOLDER_TYPE_APPOINTMENT:
			case SYNC_FOLDER_TYPE_USER_APPOINTMENT:
				return "IPF.Appointment";
				break;

			case SYNC_FOLDER_TYPE_CONTACT:
			case SYNC_FOLDER_TYPE_USER_CONTACT:
				return "IPF.Contact";
				break;

			case SYNC_FOLDER_TYPE_NOTE:
			case SYNC_FOLDER_TYPE_USER_NOTE:
				return "IPF.StickyNote";
				break;

			case SYNC_FOLDER_TYPE_JOURNAL:
			case SYNC_FOLDER_TYPE_USER_JOURNAL:
				return "IPF.Journal";
				break;

			case SYNC_FOLDER_TYPE_INBOX:
			case SYNC_FOLDER_TYPE_DRAFTS:
			case SYNC_FOLDER_TYPE_WASTEBASKET:
			case SYNC_FOLDER_TYPE_SENTMAIL:
			case SYNC_FOLDER_TYPE_OUTBOX:
			case SYNC_FOLDER_TYPE_USER_MAIL:
			case SYNC_FOLDER_TYPE_OTHER:
			case SYNC_FOLDER_TYPE_UNKNOWN:
			default:
				return "IPF.Note";
				break;
		}
	}

	public static function GetSignedAttachmentRestriction() {
		return [
			RES_PROPERTY,
			[
				RELOP => RELOP_EQ,
				ULPROPTAG => PR_ATTACH_MIME_TAG,
				VALUE => [PR_ATTACH_MIME_TAG => 'multipart/signed'],
			],
		];
	}

	/**
	 * Calculates the native body type of a message using available properties. Refer to oxbbody.
	 *
	 * @param array $messageprops
	 *
	 * @return int
	 */
	public static function GetNativeBodyType($messageprops) {
		// check if the properties are set and get the error code if needed
		if (!isset($messageprops[PR_BODY])) {
			$messageprops[PR_BODY] = self::GetError(PR_BODY, $messageprops);
		}
		if (!isset($messageprops[PR_RTF_COMPRESSED])) {
			$messageprops[PR_RTF_COMPRESSED] = self::GetError(PR_RTF_COMPRESSED, $messageprops);
		}
		if (!isset($messageprops[PR_HTML])) {
			$messageprops[PR_HTML] = self::GetError(PR_HTML, $messageprops);
		}
		if (!isset($messageprops[PR_RTF_IN_SYNC])) {
			$messageprops[PR_RTF_IN_SYNC] = self::GetError(PR_RTF_IN_SYNC, $messageprops);
		}

		if ( // 1
				($messageprops[PR_BODY] == MAPI_E_NOT_FOUND) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_FOUND) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_FOUND)) {
			return SYNC_BODYPREFERENCE_PLAIN;
		}
		if ( // 2
				($messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_FOUND) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_FOUND)) {
			return SYNC_BODYPREFERENCE_PLAIN;
		}
		if ( // 3
				($messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_FOUND)) {
			return SYNC_BODYPREFERENCE_RTF;
		}
		if ( // 4
				($messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_IN_SYNC])) {
			return SYNC_BODYPREFERENCE_RTF;
		}
		if ( // 5
				($messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				(!$messageprops[PR_RTF_IN_SYNC])) {
			return SYNC_BODYPREFERENCE_HTML;
		}
		if ( // 6
				($messageprops[PR_RTF_COMPRESSED] != MAPI_E_NOT_FOUND || $messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_HTML] != MAPI_E_NOT_FOUND || $messageprops[PR_HTML] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_IN_SYNC])) {
			return SYNC_BODYPREFERENCE_RTF;
		}
		if ( // 7
				($messageprops[PR_RTF_COMPRESSED] != MAPI_E_NOT_FOUND || $messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_HTML] != MAPI_E_NOT_FOUND || $messageprops[PR_HTML] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				(!$messageprops[PR_RTF_IN_SYNC])) {
			return SYNC_BODYPREFERENCE_HTML;
		}
		if ( // 8
				($messageprops[PR_BODY] != MAPI_E_NOT_FOUND || $messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] != MAPI_E_NOT_FOUND || $messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_IN_SYNC])) {
			return SYNC_BODYPREFERENCE_RTF;
		}
		if ( // 9.1
				($messageprops[PR_BODY] != MAPI_E_NOT_FOUND || $messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] != MAPI_E_NOT_FOUND || $messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				(!$messageprops[PR_RTF_IN_SYNC])) {
			return SYNC_BODYPREFERENCE_PLAIN;
		}
		if ( // 9.2
				($messageprops[PR_RTF_COMPRESSED] != MAPI_E_NOT_FOUND || $messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_BODY] == MAPI_E_NOT_FOUND) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_FOUND)) {
			return SYNC_BODYPREFERENCE_RTF;
		}
		if ( // 9.3
				($messageprops[PR_BODY] != MAPI_E_NOT_FOUND || $messageprops[PR_BODY] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_FOUND) &&
				($messageprops[PR_HTML] == MAPI_E_NOT_FOUND)) {
			return SYNC_BODYPREFERENCE_PLAIN;
		}
		if ( // 9.4
				($messageprops[PR_HTML] != MAPI_E_NOT_FOUND || $messageprops[PR_HTML] == MAPI_E_NOT_ENOUGH_MEMORY) &&
				($messageprops[PR_BODY] == MAPI_E_NOT_FOUND) &&
				($messageprops[PR_RTF_COMPRESSED] == MAPI_E_NOT_FOUND)) {
			return SYNC_BODYPREFERENCE_HTML;
		}
		// 10
		return SYNC_BODYPREFERENCE_PLAIN;
	}

	/**
	 * Returns the error code for a given property.
	 * Helper for MAPIUtils::GetNativeBodyType() function but also used in other places.
	 *
	 * @param int   $tag
	 * @param array $messageprops
	 *
	 * @return int (MAPI_ERROR_CODE)
	 */
	public static function GetError($tag, $messageprops) {
		$prBodyError = mapi_prop_tag(PT_ERROR, mapi_prop_id($tag));

The function mapi_prop_tag was not found. Maybe you did not declare it correctly or list all dependencies?

The function mapi_prop_id was not found. Maybe you did not declare it correctly or list all dependencies?

		if (isset($messageprops[$prBodyError]) && mapi_is_error($messageprops[$prBodyError])) {

The function mapi_is_error was not found. Maybe you did not declare it correctly or list all dependencies?

			if ($messageprops[$prBodyError] == MAPI_E_NOT_ENOUGH_MEMORY_32BIT ||
					$messageprops[$prBodyError] == MAPI_E_NOT_ENOUGH_MEMORY_64BIT) {
				return MAPI_E_NOT_ENOUGH_MEMORY;
			}
		}

		return MAPI_E_NOT_FOUND;
	}

	/**
	 * Function will be used to decode smime messages and convert it to normal messages.
	 *
	 * @param MAPISession    $session

The type MAPISession was not found. Maybe you did not declare it correctly or list all dependencies?

	 * @param MAPIStore      $store
	 * @param MAPIAdressBook $addressBook

The type MAPIAdressBook was not found. Maybe you did not declare it correctly or list all dependencies?

	 * @param MAPIMessage    $message     smime message
	 * @param mixed          $mapimessage
	 */
	public static function ParseSmime($session, $store, $addressBook, &$mapimessage) {
		$props = mapi_getprops($mapimessage, [PR_MESSAGE_CLASS, PR_SUBJECT, PR_MESSAGE_DELIVERY_TIME, PR_SENT_REPRESENTING_NAME, PR_SENT_REPRESENTING_ENTRYID, PR_SENT_REPRESENTING_SEARCH_KEY, PR_MESSAGE_FLAGS]);

The function mapi_getprops was not found. Maybe you did not declare it correctly or list all dependencies?

		$read = $props[PR_MESSAGE_FLAGS] & MSGFLAG_READ;

		if (isset($props[PR_MESSAGE_CLASS]) && stripos($props[PR_MESSAGE_CLASS], 'IPM.Note.SMIME.MultipartSigned') !== false) {
			// this is a signed message. decode it.
			$attachTable = mapi_message_getattachmenttable($mapimessage);

The function mapi_message_getattachmenttable was not found. Maybe you did not declare it correctly or list all dependencies?

			$rows = mapi_table_queryallrows($attachTable, [PR_ATTACH_MIME_TAG, PR_ATTACH_NUM]);

The function mapi_table_queryallrows was not found. Maybe you did not declare it correctly or list all dependencies?

			$attnum = false;

			foreach ($rows as $row) {
				if (isset($row[PR_ATTACH_MIME_TAG]) && $row[PR_ATTACH_MIME_TAG] == 'multipart/signed') {
					$attnum = $row[PR_ATTACH_NUM];
				}
			}

			if ($attnum !== false) {
				$att = mapi_message_openattach($mapimessage, $attnum);

The function mapi_message_openattach was not found. Maybe you did not declare it correctly or list all dependencies?

				$data = mapi_openproperty($att, PR_ATTACH_DATA_BIN);

The function mapi_openproperty was not found. Maybe you did not declare it correctly or list all dependencies?

				mapi_message_deleteattach($mapimessage, $attnum);

The function mapi_message_deleteattach was not found. Maybe you did not declare it correctly or list all dependencies?

				mapi_inetmapi_imtomapi($session, $store, $addressBook, $mapimessage, $data, ["parse_smime_signed" => 1]);

The function mapi_inetmapi_imtomapi was not found. Maybe you did not declare it correctly or list all dependencies?

				SLog::Write(LOGLEVEL_DEBUG, "Convert a smime signed message to a normal message.");
			}
			$mprops = mapi_getprops($mapimessage, [PR_MESSAGE_FLAGS]);
			// Workaround for issue 13
			mapi_setprops($mapimessage, [

The function mapi_setprops was not found. Maybe you did not declare it correctly or list all dependencies?

				PR_MESSAGE_CLASS => 'IPM.Note.SMIME.MultipartSigned',
				PR_SUBJECT => $props[PR_SUBJECT],
				PR_MESSAGE_DELIVERY_TIME => $props[PR_MESSAGE_DELIVERY_TIME],
				PR_SENT_REPRESENTING_NAME => $props[PR_SENT_REPRESENTING_NAME],
				PR_SENT_REPRESENTING_ENTRYID => $props[PR_SENT_REPRESENTING_ENTRYID],
				PR_SENT_REPRESENTING_SEARCH_KEY => $props[PR_SENT_REPRESENTING_SEARCH_KEY],
				// mark the message as read if the main message has read flag
				PR_MESSAGE_FLAGS => $read ? $mprops[PR_MESSAGE_FLAGS] | MSGFLAG_READ : $mprops[PR_MESSAGE_FLAGS],
			]);
		}
		// TODO check if we need to do this for encrypted (and signed?) message as well
	}

	/**
	 * Compares two entryIds. It is possible to have two different entryIds that should match as they
	 * represent the same object (in multiserver environments).
	 *
	 * @param string $entryId1
	 * @param string $entryId2
	 *
	 * @return bool
	 */
	public static function CompareEntryIds($entryId1, $entryId2) {
		if (!is_string($entryId1) || !is_string($entryId2)) {

The condition is_string($entryId1) is always true.

The condition is_string($entryId2) is always true.

			return false;
		}

		if ($entryId1 === $entryId2) {
			// if normal comparison succeeds then we can directly say that entryids are same
			return true;
		}

		$eid1 = self::createEntryIdObj($entryId1);
		$eid2 = self::createEntryIdObj($entryId2);

		if ($eid1['length'] != $eid2['length'] ||
				$eid1['abFlags'] != $eid2['abFlags'] ||
				$eid1['version'] != $eid2['version'] ||
				$eid1['type'] != $eid2['type']) {
			return false;
		}

		if ($eid1['name'] == 'EID_V0') {
			if ($eid1['length'] < $eid1['min_length'] || $eid1['id'] != $eid2['id']) {
				return false;
			}
		}
		elseif ($eid1['length'] < $eid1['min_length'] || $eid1['uniqueId'] != $eid2['uniqueId']) {
			return false;
		}

		return true;
	}

	/**
	 * Creates an object that has split up all the components of an entryID.
	 *
	 * @param string $entryid Entryid
	 *
	 * @return object EntryID object
	 */
	private static function createEntryIdObj($entryid) {
		// check if we are dealing with old or new object entryids
		return (substr($entryid, 40, 8) == '00000000') ? self::getEID_V0Version($entryid) : self::getEIDVersion($entryid);

The expression return substr($entryid, 40, 8) == '00000000' ? self::getEID_V0Version($entryid) : self::getEIDVersion($entryid) also could return the type array<string,string> which is incompatible with the documented return type object.

	}

	/**
	 * The entryid from the begin of zarafa till 5.20.
	 *
	 * @param string $entryid
	 *
	 * @return object EntryID object
	 */
	private static function getEID_V0Version($entryid) {
		// always make entryids in uppercase so comparison will be case insensitive
		$entryId = strtoupper($entryid);

		$res = [
			'abFlags' => '',  // BYTE[4],  4 bytes,  8 hex characters
			'guid' => '',  // GUID,    16 bytes, 32 hex characters
			'version' => '',  // ULONG,    4 bytes,  8 hex characters
			'type' => '',  // ULONG,    4 bytes,  8 hex characters
			'id' => '',  // ULONG,    4 bytes,  8 hex characters
			'server' => '',  // CHAR,    variable length
			'padding' => '',  // TCHAR[3], 4 bytes,  8 hex characters (upto 4 bytes)
		];

		$res['length'] = strlen($entryId);
		$offset = 0;

		// First determine padding, and remove if from the entryId
		$res['padding'] = self::getPadding($entryId);
		$entryId = substr($entryId, 0, strlen($entryId) - strlen($res['padding']));

		$res['abFlags'] = substr($entryId, $offset, 8);
		$offset = +8;

		$res['guid'] = substr($entryId, $offset, 32);
		$offset += 32;

		$res['version'] = substr($entryId, $offset, 8);
		$offset += 8;

		$res['type'] = substr($entryId, $offset, 8);
		$offset += 8;

		$res['id'] = substr($entryId, $offset, 8);
		$offset += 8;

		$res['server'] = substr($entryId, $offset);

		$res['min_length'] = 64;
		$res['name'] = 'EID_V0';

		return $res;

The expression return $res returns the type array<string,string> which is incompatible with the documented return type object.

	}

	/**
	 * Entryid from version 6.
	 *
	 * @param string $entryid
	 *
	 * @return null[]|number[]|string[]
	 */
	private static function getEIDVersion($entryid) {
		// always make entryids in uppercase so comparison will be case insensitive
		$entryId = strtoupper($entryid);

		$res = [
			'abFlags' => '',  // BYTE[4],  4 bytes,  8 hex characters
			'guid' => '',  // GUID,    16 bytes, 32 hex characters
			'version' => '',  // ULONG,    4 bytes,  8 hex characters
			'type' => '',  // ULONG,    4 bytes,  8 hex characters
			'uniqueId' => '',  // ULONG,   16 bytes,  32 hex characters
			'server' => '',  // CHAR,    variable length
			'padding' => '',  // TCHAR[3], 4 bytes,  8 hex characters (upto 4 bytes)
		];

		$res['length'] = strlen($entryId);
		$offset = 0;

		// First determine padding, and remove if from the entryId
		$res['padding'] = self::getPadding($entryId);
		$entryId = substr($entryId, 0, strlen($entryId) - strlen($res['padding']));

		$res['abFlags'] = substr($entryId, $offset, 8);
		$offset = +8;

		$res['guid'] = substr($entryId, $offset, 32);
		$offset += 32;

		$res['version'] = substr($entryId, $offset, 8);
		$offset += 8;

		$res['type'] = substr($entryId, $offset, 8);
		$offset += 8;

		$res['uniqueId'] = substr($entryId, $offset, 32);
		$offset += 32;

		$res['server'] = substr($entryId, $offset);

		$res['min_length'] = 88;
		$res['name'] = 'EID';

		return $res;
	}

	/**
	 * Detect padding (max 3 bytes) from the entryId.
	 *
	 * @param string $entryId
	 *
	 * @return string
	 */
	private static function getPadding($entryId) {
		$len = strlen($entryId);
		$padding = '';
		$offset = 0;

		for ($iterations = 4; $iterations > 0; --$iterations) {
			if (substr($entryId, $len - ($offset + 2), $len - $offset) == '00') {
				$padding .= '00';
				$offset += 2;
			}
			else {
				// if non-null character found then break the loop
				break;
			}
		}

		return $padding;
	}
}