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<?php |
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/* |
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* SPDX-License-Identifier: AGPL-3.0-only |
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* SPDX-FileCopyrightText: Copyright 2007-2016 Zarafa Deutschland GmbH |
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* SPDX-FileCopyrightText: Copyright 2020-2025 grommunio GmbH |
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* |
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* This class checks and processes all incoming data of the request. |
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*/ |
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class Request { |
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public const MAXMEMORYUSAGE = 0.9; // use max. 90% of allowed memory when syncing |
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public const UNKNOWN = "unknown"; |
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public const IMPERSONATE_DELIM = '#'; |
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/** |
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* self::filterEvilInput() options. |
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*/ |
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public const LETTERS_ONLY = 1; |
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public const HEX_ONLY = 2; |
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public const WORDCHAR_ONLY = 3; |
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public const NUMBERS_ONLY = 4; |
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public const NUMBERSDOT_ONLY = 5; |
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public const HEX_EXTENDED = 6; |
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public const ISO8601 = 7; |
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public const HEX_EXTENDED2 = 8; |
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/** |
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* Command parameters for base64 encoded requests (AS >= 12.1). |
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*/ |
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public const COMMANDPARAM_ATTACHMENTNAME = 0; |
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public const COMMANDPARAM_COLLECTIONID = 1; // deprecated |
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public const COMMANDPARAM_COLLECTIONNAME = 2; // deprecated |
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public const COMMANDPARAM_ITEMID = 3; |
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public const COMMANDPARAM_LONGID = 4; |
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public const COMMANDPARAM_PARENTID = 5; // deprecated |
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public const COMMANDPARAM_OCCURRENCE = 6; |
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public const COMMANDPARAM_OPTIONS = 7; // used by SmartReply, SmartForward, SendMail, ItemOperations |
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public const COMMANDPARAM_USER = 8; // used by any command |
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// possible bitflags for COMMANDPARAM_OPTIONS |
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public const COMMANDPARAM_OPTIONS_SAVEINSENT = 0x01; |
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public const COMMANDPARAM_OPTIONS_ACCEPTMULTIPART = 0x02; |
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private static $input; |
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private static $output; |
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private static $headers; |
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private static $command; |
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private static $method; |
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private static $remoteAddr; |
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private static $getUser; |
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private static $devid; |
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private static $devtype; |
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private static $authUserString; |
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private static $authUser; |
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private static $authDomain; |
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private static $authPassword; |
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private static $impersonatedUser; |
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private static $userIdentifier; |
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private static $asProtocolVersion; |
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private static $policykey; |
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private static $useragent; |
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private static $attachmentName; |
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private static $collectionId; |
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private static $itemId; |
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private static $longId; // TODO |
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private static $occurrence; // TODO |
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private static $saveInSent; |
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private static $acceptMultipart; |
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private static $base64QueryDecoded; |
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private static $expectedConnectionTimeout; |
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private static $memoryLimit; |
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/** |
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* Initializes request data. |
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*/ |
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public static function Initialize() { |
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// try to open stdin & stdout |
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self::$input = fopen("php://input", "r"); |
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self::$output = fopen("php://output", "w+"); |
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// Parse the standard GET parameters |
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if (isset($_GET["Cmd"])) { |
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self::$command = self::filterEvilInput($_GET["Cmd"], self::LETTERS_ONLY); |
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} |
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// getUser is unfiltered, as everything is allowed.. even "/", "\" or ".." |
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if (isset($_GET["User"])) { |
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self::$getUser = strtolower($_GET["User"]); |
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if (defined('USE_FULLEMAIL_FOR_LOGIN') && !USE_FULLEMAIL_FOR_LOGIN) { |
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self::$getUser = Utils::GetLocalPartFromEmail(self::$getUser); |
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} |
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} |
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if (isset($_GET["DeviceId"])) { |
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self::$devid = strtolower(self::filterEvilInput($_GET["DeviceId"], self::WORDCHAR_ONLY)); |
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} |
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if (isset($_GET["DeviceType"])) { |
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self::$devtype = self::filterEvilInput($_GET["DeviceType"], self::LETTERS_ONLY); |
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} |
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if (isset($_GET["AttachmentName"])) { |
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self::$attachmentName = self::filterEvilInput($_GET["AttachmentName"], self::HEX_EXTENDED2); |
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} |
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if (isset($_GET["CollectionId"])) { |
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self::$collectionId = self::filterEvilInput($_GET["CollectionId"], self::HEX_EXTENDED2); |
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} |
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if (isset($_GET["ItemId"])) { |
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self::$itemId = self::filterEvilInput($_GET["ItemId"], self::HEX_EXTENDED2); |
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} |
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if (isset($_GET["SaveInSent"]) && $_GET["SaveInSent"] == "T") { |
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self::$saveInSent = true; |
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} |
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if (isset($_SERVER["REQUEST_METHOD"])) { |
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self::$method = self::filterEvilInput($_SERVER["REQUEST_METHOD"], self::LETTERS_ONLY); |
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} |
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// TODO check IPv6 addresses |
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if (isset($_SERVER["REMOTE_ADDR"])) { |
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self::$remoteAddr = self::filterIP($_SERVER["REMOTE_ADDR"]); |
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} |
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// in protocol version > 14 mobile send these inputs as encoded query string |
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if (!isset(self::$command) && !empty($_SERVER['QUERY_STRING']) && Utils::IsBase64String($_SERVER['QUERY_STRING'])) { |
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self::decodeBase64URI(); |
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if (!isset(self::$command) && isset(self::$base64QueryDecoded['Command'])) { |
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self::$command = Utils::GetCommandFromCode(self::$base64QueryDecoded['Command']); |
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} |
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if (!isset(self::$getUser) && isset(self::$base64QueryDecoded[self::COMMANDPARAM_USER])) { |
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self::$getUser = strtolower(self::$base64QueryDecoded[self::COMMANDPARAM_USER]); |
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if (defined('USE_FULLEMAIL_FOR_LOGIN') && !USE_FULLEMAIL_FOR_LOGIN) { |
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self::$getUser = Utils::GetLocalPartFromEmail(self::$getUser); |
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} |
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} |
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if (!isset(self::$devid) && isset(self::$base64QueryDecoded['DevID'])) { |
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self::$devid = strtolower(self::filterEvilInput(self::$base64QueryDecoded['DevID'], self::WORDCHAR_ONLY)); |
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} |
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if (!isset(self::$devtype) && isset(self::$base64QueryDecoded['DevType'])) { |
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self::$devtype = self::filterEvilInput(self::$base64QueryDecoded['DevType'], self::LETTERS_ONLY); |
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} |
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if (isset(self::$base64QueryDecoded['PolKey'])) { |
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self::$policykey = (int) self::filterEvilInput(self::$base64QueryDecoded['PolKey'], self::NUMBERS_ONLY); |
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} |
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if (isset(self::$base64QueryDecoded['ProtVer'])) { |
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self::$asProtocolVersion = self::filterEvilInput(self::$base64QueryDecoded['ProtVer'], self::NUMBERS_ONLY) / 10; |
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} |
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if (isset(self::$base64QueryDecoded[self::COMMANDPARAM_ATTACHMENTNAME])) { |
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self::$attachmentName = self::filterEvilInput(self::$base64QueryDecoded[self::COMMANDPARAM_ATTACHMENTNAME], self::HEX_EXTENDED2); |
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} |
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if (isset(self::$base64QueryDecoded[self::COMMANDPARAM_COLLECTIONID])) { |
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self::$collectionId = self::filterEvilInput(self::$base64QueryDecoded[self::COMMANDPARAM_COLLECTIONID], self::HEX_EXTENDED2); |
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} |
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if (isset(self::$base64QueryDecoded[self::COMMANDPARAM_ITEMID])) { |
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self::$itemId = self::filterEvilInput(self::$base64QueryDecoded[self::COMMANDPARAM_ITEMID], self::HEX_EXTENDED2); |
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} |
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if (isset(self::$base64QueryDecoded[self::COMMANDPARAM_OPTIONS]) && (ord(self::$base64QueryDecoded[self::COMMANDPARAM_OPTIONS]) & self::COMMANDPARAM_OPTIONS_SAVEINSENT)) { |
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self::$saveInSent = true; |
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} |
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if (isset(self::$base64QueryDecoded[self::COMMANDPARAM_OPTIONS]) && (ord(self::$base64QueryDecoded[self::COMMANDPARAM_OPTIONS]) & self::COMMANDPARAM_OPTIONS_ACCEPTMULTIPART)) { |
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self::$acceptMultipart = true; |
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} |
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} |
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// in base64 encoded query string user is not necessarily set |
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if (!isset(self::$getUser) && isset($_SERVER['PHP_AUTH_USER'])) { |
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list(self::$getUser) = Utils::SplitDomainUser(strtolower($_SERVER['PHP_AUTH_USER'])); |
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if (defined('USE_FULLEMAIL_FOR_LOGIN') && !USE_FULLEMAIL_FOR_LOGIN) { |
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self::$getUser = Utils::GetLocalPartFromEmail(self::$getUser); |
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} |
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} |
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// authUser & authPassword are unfiltered! |
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// split username & domain if received as one |
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if (isset($_SERVER['PHP_AUTH_USER'])) { |
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list(self::$authUserString, self::$authDomain) = Utils::SplitDomainUser($_SERVER['PHP_AUTH_USER']); |
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self::$authPassword = (isset($_SERVER['PHP_AUTH_PW'])) ? $_SERVER['PHP_AUTH_PW'] : ""; |
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} |
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// process impersonation |
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self::$authUser = self::$authUserString; |
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if (defined('USE_FULLEMAIL_FOR_LOGIN') && !USE_FULLEMAIL_FOR_LOGIN) { |
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self::$authUser = Utils::GetLocalPartFromEmail(self::$authUser); |
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} |
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// get & convert configured memory limit |
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$memoryLimit = ini_get('memory_limit'); |
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if ($memoryLimit == -1) { |
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self::$memoryLimit = false; |
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} |
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else { |
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preg_replace_callback( |
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'/(\-?\d+)(.?)/', |
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function ($m) { |
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self::$memoryLimit = $m[1] * pow(1024, strpos('BKMG', $m[2])) * self::MAXMEMORYUSAGE; |
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}, |
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strtoupper($memoryLimit) |
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); |
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} |
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} |
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/** |
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* Reads and processes the request headers. |
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*/ |
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public static function ProcessHeaders() { |
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self::$headers = array_change_key_case(apache_request_headers(), CASE_LOWER); |
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self::$useragent = (isset(self::$headers["user-agent"])) ? self::$headers["user-agent"] : self::UNKNOWN; |
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if (!isset(self::$asProtocolVersion)) { |
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self::$asProtocolVersion = (isset(self::$headers["ms-asprotocolversion"])) ? self::filterEvilInput(self::$headers["ms-asprotocolversion"], self::NUMBERSDOT_ONLY) : GSync::GetLatestSupportedASVersion(); |
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} |
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// if policykey is not yet set, try to set it from the header |
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// the policy key might be set in Request::Initialize from the base64 encoded query |
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if (!isset(self::$policykey)) { |
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if (isset(self::$headers["x-ms-policykey"])) { |
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self::$policykey = (int) self::filterEvilInput(self::$headers["x-ms-policykey"], self::NUMBERS_ONLY); |
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} |
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else { |
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self::$policykey = 0; |
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} |
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} |
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if (isset(self::$base64QueryDecoded)) { |
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SLog::Write(LOGLEVEL_DEBUG, sprintf("Request::ProcessHeaders(): base64 query string: '%s' (decoded: '%s')", $_SERVER['QUERY_STRING'], http_build_query(self::$base64QueryDecoded, '', ','))); |
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if (isset(self::$policykey)) { |
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self::$headers["x-ms-policykey"] = self::$policykey; |
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} |
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if (isset(self::$asProtocolVersion)) { |
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self::$headers["ms-asprotocolversion"] = self::$asProtocolVersion; |
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} |
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} |
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if (!isset(self::$acceptMultipart) && isset(self::$headers["ms-asacceptmultipart"]) && strtoupper(self::$headers["ms-asacceptmultipart"]) == "T") { |
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self::$acceptMultipart = true; |
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} |
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SLog::Write(LOGLEVEL_DEBUG, sprintf("Request::ProcessHeaders() ASVersion: %s", self::$asProtocolVersion)); |
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if (defined('USE_CUSTOM_REMOTE_IP_HEADER') && USE_CUSTOM_REMOTE_IP_HEADER !== false) { |
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// make custom header compatible with Apache modphp |
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$header = $apacheHeader = strtolower(USE_CUSTOM_REMOTE_IP_HEADER); |
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if (substr($apacheHeader, 0, 5) === 'http_') { |
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$apacheHeader = substr($apacheHeader, 5); |
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} |
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$apacheHeader = str_replace("_", "-", $apacheHeader); |
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if (isset(self::$headers[$header]) || isset(self::$headers[$apacheHeader])) { |
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$remoteIP = isset(self::$headers[$header]) ? self::$headers[$header] : self::$headers[$apacheHeader]; |
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// X-Forwarded-For may contain multiple IPs separated by comma: client, proxy1, proxy2. |
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// In such case we will only check the client IP. |
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if (strpos($remoteIP, ',') !== false) { |
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$remoteIP = trim(explode(',', $remoteIP)[0]); |
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} |
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$remoteIP = self::filterIP($remoteIP); |
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if ($remoteIP) { |
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SLog::Write(LOGLEVEL_DEBUG, sprintf("Using custom header '%s' to determine remote IP: %s - connect is coming from IP: %s", USE_CUSTOM_REMOTE_IP_HEADER, $remoteIP, self::$remoteAddr)); |
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self::$remoteAddr = $remoteIP; |
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} |
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} |
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} |
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} |
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/** |
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* @return bool data sent or not |
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*/ |
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public static function HasAuthenticationInfo() { |
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return self::$authUser != "" && self::$authPassword != ""; |
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} |
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/*---------------------------------------------------------------------------------------------------------- |
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|
|
* Getter & Checker |
|
279
|
|
|
*/ |
|
280
|
|
|
|
|
281
|
|
|
/** |
|
282
|
|
|
* Returns the input stream. |
|
283
|
|
|
* |
|
284
|
|
|
* @return bool|handle false if not available |
|
|
|
|
|
|
285
|
|
|
*/ |
|
286
|
|
|
public static function GetInputStream() { |
|
287
|
|
|
if (isset(self::$input)) { |
|
288
|
|
|
return self::$input; |
|
289
|
|
|
} |
|
290
|
|
|
|
|
291
|
|
|
return false; |
|
292
|
|
|
} |
|
293
|
|
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|
|
294
|
|
|
/** |
|
295
|
|
|
* Returns the output stream. |
|
296
|
|
|
* |
|
297
|
|
|
* @return bool|handle false if not available |
|
298
|
|
|
*/ |
|
299
|
|
|
public static function GetOutputStream() { |
|
300
|
|
|
if (isset(self::$output)) { |
|
301
|
|
|
return self::$output; |
|
302
|
|
|
} |
|
303
|
|
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|
|
304
|
|
|
return false; |
|
305
|
|
|
} |
|
306
|
|
|
|
|
307
|
|
|
/** |
|
308
|
|
|
* Returns the request method. |
|
309
|
|
|
* |
|
310
|
|
|
* @return string |
|
311
|
|
|
*/ |
|
312
|
|
|
public static function GetMethod() { |
|
313
|
|
|
if (isset(self::$method)) { |
|
314
|
|
|
return self::$method; |
|
315
|
|
|
} |
|
316
|
|
|
|
|
317
|
|
|
return self::UNKNOWN; |
|
318
|
|
|
} |
|
319
|
|
|
|
|
320
|
|
|
/** |
|
321
|
|
|
* Returns the value of the user parameter of the querystring. |
|
322
|
|
|
* |
|
323
|
|
|
* @return bool|string false if not available |
|
324
|
|
|
*/ |
|
325
|
|
|
public static function GetGETUser() { |
|
326
|
|
|
if (isset(self::$getUser)) { |
|
327
|
|
|
return self::$getUser; |
|
328
|
|
|
} |
|
329
|
|
|
|
|
330
|
|
|
return self::UNKNOWN; |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
/** |
|
334
|
|
|
* Returns the value of the ItemId parameter of the querystring. |
|
335
|
|
|
* |
|
336
|
|
|
* @return bool|string false if not available |
|
337
|
|
|
*/ |
|
338
|
|
|
public static function GetGETItemId() { |
|
339
|
|
|
if (isset(self::$itemId)) { |
|
340
|
|
|
return self::$itemId; |
|
341
|
|
|
} |
|
342
|
|
|
|
|
343
|
|
|
return false; |
|
344
|
|
|
} |
|
345
|
|
|
|
|
346
|
|
|
/** |
|
347
|
|
|
* Returns the value of the CollectionId parameter of the querystring. |
|
348
|
|
|
* |
|
349
|
|
|
* @return bool|string false if not available |
|
350
|
|
|
*/ |
|
351
|
|
|
public static function GetGETCollectionId() { |
|
352
|
|
|
if (isset(self::$collectionId)) { |
|
353
|
|
|
return self::$collectionId; |
|
354
|
|
|
} |
|
355
|
|
|
|
|
356
|
|
|
return false; |
|
357
|
|
|
} |
|
358
|
|
|
|
|
359
|
|
|
/** |
|
360
|
|
|
* Returns if the SaveInSent parameter of the querystring is set. |
|
361
|
|
|
* |
|
362
|
|
|
* @return bool |
|
363
|
|
|
*/ |
|
364
|
|
|
public static function GetGETSaveInSent() { |
|
365
|
|
|
if (isset(self::$saveInSent)) { |
|
366
|
|
|
return self::$saveInSent; |
|
367
|
|
|
} |
|
368
|
|
|
|
|
369
|
|
|
return true; |
|
370
|
|
|
} |
|
371
|
|
|
|
|
372
|
|
|
/** |
|
373
|
|
|
* Returns if the AcceptMultipart parameter of the querystring is set. |
|
374
|
|
|
* |
|
375
|
|
|
* @return bool |
|
376
|
|
|
*/ |
|
377
|
|
|
public static function GetGETAcceptMultipart() { |
|
378
|
|
|
if (isset(self::$acceptMultipart)) { |
|
379
|
|
|
return self::$acceptMultipart; |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
return false; |
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
|
|
/** |
|
386
|
|
|
* Returns the value of the AttachmentName parameter of the querystring. |
|
387
|
|
|
* |
|
388
|
|
|
* @return bool|string false if not available |
|
389
|
|
|
*/ |
|
390
|
|
|
public static function GetGETAttachmentName() { |
|
391
|
|
|
if (isset(self::$attachmentName)) { |
|
392
|
|
|
return self::$attachmentName; |
|
393
|
|
|
} |
|
394
|
|
|
|
|
395
|
|
|
return false; |
|
396
|
|
|
} |
|
397
|
|
|
|
|
398
|
|
|
/** |
|
399
|
|
|
* Returns user that is synchronizing data. |
|
400
|
|
|
* If impersonation is active it returns the impersonated user, |
|
401
|
|
|
* else the auth user. |
|
402
|
|
|
* |
|
403
|
|
|
* @return bool|string false if not available |
|
404
|
|
|
*/ |
|
405
|
|
|
public static function GetUser() { |
|
406
|
|
|
if (self::GetImpersonatedUser()) { |
|
407
|
|
|
return self::GetImpersonatedUser(); |
|
408
|
|
|
} |
|
409
|
|
|
|
|
410
|
|
|
return self::GetAuthUser(); |
|
411
|
|
|
} |
|
412
|
|
|
|
|
413
|
|
|
/** |
|
414
|
|
|
* Returns the AuthUser string send by the client. |
|
415
|
|
|
* |
|
416
|
|
|
* @return bool|string false if not available |
|
417
|
|
|
*/ |
|
418
|
|
|
public static function GetAuthUserString() { |
|
419
|
|
|
if (isset(self::$authUserString)) { |
|
420
|
|
|
return self::$authUserString; |
|
421
|
|
|
} |
|
422
|
|
|
|
|
423
|
|
|
return false; |
|
424
|
|
|
} |
|
425
|
|
|
|
|
426
|
|
|
/** |
|
427
|
|
|
* Returns the impersonated user. If not available, returns false. |
|
428
|
|
|
* |
|
429
|
|
|
* @return bool|string false if not available |
|
430
|
|
|
*/ |
|
431
|
|
|
public static function GetImpersonatedUser() { |
|
432
|
|
|
if (isset(self::$impersonatedUser)) { |
|
433
|
|
|
return self::$impersonatedUser; |
|
434
|
|
|
} |
|
435
|
|
|
|
|
436
|
|
|
return false; |
|
437
|
|
|
} |
|
438
|
|
|
|
|
439
|
|
|
/** |
|
440
|
|
|
* Returns the authenticated user. |
|
441
|
|
|
* |
|
442
|
|
|
* @return bool|string false if not available |
|
443
|
|
|
*/ |
|
444
|
|
|
public static function GetAuthUser() { |
|
445
|
|
|
if (isset(self::$authUser)) { |
|
446
|
|
|
return self::$authUser; |
|
447
|
|
|
} |
|
448
|
|
|
|
|
449
|
|
|
return false; |
|
450
|
|
|
} |
|
451
|
|
|
|
|
452
|
|
|
/** |
|
453
|
|
|
* Returns the authenticated domain for the user. |
|
454
|
|
|
* |
|
455
|
|
|
* @return bool|string false if not available |
|
456
|
|
|
*/ |
|
457
|
|
|
public static function GetAuthDomain() { |
|
458
|
|
|
if (isset(self::$authDomain)) { |
|
459
|
|
|
return self::$authDomain; |
|
460
|
|
|
} |
|
461
|
|
|
|
|
462
|
|
|
return false; |
|
463
|
|
|
} |
|
464
|
|
|
|
|
465
|
|
|
/** |
|
466
|
|
|
* Returns the transmitted password. |
|
467
|
|
|
* |
|
468
|
|
|
* @return bool|string false if not available |
|
469
|
|
|
*/ |
|
470
|
|
|
public static function GetAuthPassword() { |
|
471
|
|
|
if (isset(self::$authPassword)) { |
|
472
|
|
|
return self::$authPassword; |
|
473
|
|
|
} |
|
474
|
|
|
|
|
475
|
|
|
return false; |
|
476
|
|
|
} |
|
477
|
|
|
|
|
478
|
|
|
/** |
|
479
|
|
|
* Returns the RemoteAddress. |
|
480
|
|
|
* |
|
481
|
|
|
* @return string |
|
482
|
|
|
*/ |
|
483
|
|
|
public static function GetRemoteAddr() { |
|
484
|
|
|
if (isset(self::$remoteAddr)) { |
|
485
|
|
|
return self::$remoteAddr; |
|
486
|
|
|
} |
|
487
|
|
|
|
|
488
|
|
|
return "UNKNOWN"; |
|
489
|
|
|
} |
|
490
|
|
|
|
|
491
|
|
|
/** |
|
492
|
|
|
* Returns the command to be executed. |
|
493
|
|
|
* |
|
494
|
|
|
* @return bool|string false if not available |
|
495
|
|
|
*/ |
|
496
|
|
|
public static function GetCommand() { |
|
497
|
|
|
if (isset(self::$command)) { |
|
498
|
|
|
return self::$command; |
|
499
|
|
|
} |
|
500
|
|
|
|
|
501
|
|
|
return false; |
|
502
|
|
|
} |
|
503
|
|
|
|
|
504
|
|
|
/** |
|
505
|
|
|
* Returns the command code which is being executed. |
|
506
|
|
|
* |
|
507
|
|
|
* @return bool|string false if not available |
|
508
|
|
|
*/ |
|
509
|
|
|
public static function GetCommandCode() { |
|
510
|
|
|
if (isset(self::$command)) { |
|
511
|
|
|
return Utils::GetCodeFromCommand(self::$command); |
|
512
|
|
|
} |
|
513
|
|
|
|
|
514
|
|
|
return false; |
|
515
|
|
|
} |
|
516
|
|
|
|
|
517
|
|
|
/** |
|
518
|
|
|
* Returns the device id transmitted. |
|
519
|
|
|
* |
|
520
|
|
|
* @return bool|string false if not available |
|
521
|
|
|
*/ |
|
522
|
|
|
public static function GetDeviceID() { |
|
523
|
|
|
if (isset(self::$devid)) { |
|
524
|
|
|
return self::$devid; |
|
525
|
|
|
} |
|
526
|
|
|
|
|
527
|
|
|
return false; |
|
528
|
|
|
} |
|
529
|
|
|
|
|
530
|
|
|
/** |
|
531
|
|
|
* Returns the device type if transmitted. |
|
532
|
|
|
* |
|
533
|
|
|
* @return bool|string false if not available |
|
534
|
|
|
*/ |
|
535
|
|
|
public static function GetDeviceType() { |
|
536
|
|
|
if (isset(self::$devtype)) { |
|
537
|
|
|
return self::$devtype; |
|
538
|
|
|
} |
|
539
|
|
|
|
|
540
|
|
|
return false; |
|
541
|
|
|
} |
|
542
|
|
|
|
|
543
|
|
|
/** |
|
544
|
|
|
* Returns the value of supported AS protocol from the headers. |
|
545
|
|
|
* |
|
546
|
|
|
* @return bool|string false if not available |
|
547
|
|
|
*/ |
|
548
|
|
|
public static function GetProtocolVersion() { |
|
549
|
|
|
if (isset(self::$asProtocolVersion)) { |
|
550
|
|
|
return self::$asProtocolVersion; |
|
551
|
|
|
} |
|
552
|
|
|
|
|
553
|
|
|
return false; |
|
554
|
|
|
} |
|
555
|
|
|
|
|
556
|
|
|
/** |
|
557
|
|
|
* Returns the user agent sent in the headers. |
|
558
|
|
|
* |
|
559
|
|
|
* @return bool|string false if not available |
|
560
|
|
|
*/ |
|
561
|
|
|
public static function GetUserAgent() { |
|
562
|
|
|
if (isset(self::$useragent)) { |
|
563
|
|
|
return self::$useragent; |
|
564
|
|
|
} |
|
565
|
|
|
|
|
566
|
|
|
return self::UNKNOWN; |
|
567
|
|
|
} |
|
568
|
|
|
|
|
569
|
|
|
/** |
|
570
|
|
|
* Returns policy key sent by the device. |
|
571
|
|
|
* |
|
572
|
|
|
* @return bool|int false if not available |
|
573
|
|
|
*/ |
|
574
|
|
|
public static function GetPolicyKey() { |
|
575
|
|
|
if (isset(self::$policykey)) { |
|
576
|
|
|
return self::$policykey; |
|
577
|
|
|
} |
|
578
|
|
|
|
|
579
|
|
|
return false; |
|
580
|
|
|
} |
|
581
|
|
|
|
|
582
|
|
|
/** |
|
583
|
|
|
* Indicates if a policy key was sent by the device. |
|
584
|
|
|
* |
|
585
|
|
|
* @return bool |
|
586
|
|
|
*/ |
|
587
|
|
|
public static function WasPolicyKeySent() { |
|
588
|
|
|
return isset(self::$headers["x-ms-policykey"]); |
|
589
|
|
|
} |
|
590
|
|
|
|
|
591
|
|
|
/** |
|
592
|
|
|
* Indicates if grommunio-sync was called with a POST request. |
|
593
|
|
|
* |
|
594
|
|
|
* @return bool |
|
595
|
|
|
*/ |
|
596
|
|
|
public static function IsMethodPOST() { |
|
597
|
|
|
return self::$method == "POST"; |
|
598
|
|
|
} |
|
599
|
|
|
|
|
600
|
|
|
/** |
|
601
|
|
|
* Indicates if grommunio-sync was called with a GET request. |
|
602
|
|
|
* |
|
603
|
|
|
* @return bool |
|
604
|
|
|
*/ |
|
605
|
|
|
public static function IsMethodGET() { |
|
606
|
|
|
return self::$method == "GET"; |
|
607
|
|
|
} |
|
608
|
|
|
|
|
609
|
|
|
/** |
|
610
|
|
|
* Indicates if grommunio-sync was called with a OPTIONS request. |
|
611
|
|
|
* |
|
612
|
|
|
* @return bool |
|
613
|
|
|
*/ |
|
614
|
|
|
public static function IsMethodOPTIONS() { |
|
615
|
|
|
return self::$method == "OPTIONS"; |
|
616
|
|
|
} |
|
617
|
|
|
|
|
618
|
|
|
/** |
|
619
|
|
|
* Sometimes strange device ids are submitted |
|
620
|
|
|
* No device information should be saved when this happens. |
|
621
|
|
|
* |
|
622
|
|
|
* @return bool false if invalid |
|
623
|
|
|
*/ |
|
624
|
|
|
public static function IsValidDeviceID() { |
|
625
|
|
|
if (self::GetDeviceID() === "validate") { |
|
626
|
|
|
return false; |
|
627
|
|
|
} |
|
628
|
|
|
|
|
629
|
|
|
return true; |
|
630
|
|
|
} |
|
631
|
|
|
|
|
632
|
|
|
/** |
|
633
|
|
|
* Returns the amount of data sent in this request (from the headers). |
|
634
|
|
|
* |
|
635
|
|
|
* @return int |
|
636
|
|
|
*/ |
|
637
|
|
|
public static function GetContentLength() { |
|
638
|
|
|
return (isset(self::$headers["content-length"])) ? (int) self::$headers["content-length"] : 0; |
|
639
|
|
|
} |
|
640
|
|
|
|
|
641
|
|
|
/** |
|
642
|
|
|
* Returns the amount of seconds this request is able to be kept open without the client |
|
643
|
|
|
* closing it. This depends on the vendor. |
|
644
|
|
|
* |
|
645
|
|
|
* @return bool |
|
646
|
|
|
*/ |
|
647
|
|
|
public static function GetExpectedConnectionTimeout() { |
|
648
|
|
|
// Different vendors implement different connection timeouts. |
|
649
|
|
|
// In order to optimize processing, we return a specific time for the major |
|
650
|
|
|
// classes currently known (feedback welcome). |
|
651
|
|
|
// The amount of time returned is somehow lower than the max timeout so we have |
|
652
|
|
|
// time for processing. |
|
653
|
|
|
|
|
654
|
|
|
if (!isset(self::$expectedConnectionTimeout)) { |
|
655
|
|
|
// Apple and Windows Phone have higher timeouts (4min = 240sec) |
|
656
|
|
|
if (stripos(SYNC_TIMEOUT_LONG_DEVICETYPES, self::GetDeviceType()) !== false) { |
|
|
|
|
|
|
657
|
|
|
self::$expectedConnectionTimeout = 210; |
|
658
|
|
|
} |
|
659
|
|
|
// Samsung devices have a intermediate timeout (90sec) |
|
660
|
|
|
elseif (stripos(SYNC_TIMEOUT_MEDIUM_DEVICETYPES, self::GetDeviceType()) !== false) { |
|
661
|
|
|
self::$expectedConnectionTimeout = 85; |
|
662
|
|
|
} |
|
663
|
|
|
else { |
|
664
|
|
|
// for all other devices, a timeout of 30 seconds is expected |
|
665
|
|
|
self::$expectedConnectionTimeout = 28; |
|
666
|
|
|
} |
|
667
|
|
|
} |
|
668
|
|
|
|
|
669
|
|
|
return self::$expectedConnectionTimeout; |
|
670
|
|
|
} |
|
671
|
|
|
|
|
672
|
|
|
/** |
|
673
|
|
|
* Indicates if the maximum timeout for the devicetype of this request is |
|
674
|
|
|
* almost reached. |
|
675
|
|
|
* |
|
676
|
|
|
* @return bool |
|
677
|
|
|
*/ |
|
678
|
|
|
public static function IsRequestTimeoutReached() { |
|
679
|
|
|
return (time() - $_SERVER["REQUEST_TIME"]) >= self::GetExpectedConnectionTimeout(); |
|
680
|
|
|
} |
|
681
|
|
|
|
|
682
|
|
|
/** |
|
683
|
|
|
* Indicates if the memory usage limit is almost reached. |
|
684
|
|
|
* Processing should stop then to prevent hard out-of-memory issues. |
|
685
|
|
|
* The threshold is hardcoded at 90% in Request::MAXMEMORYUSAGE. |
|
686
|
|
|
* |
|
687
|
|
|
* @return bool |
|
688
|
|
|
*/ |
|
689
|
|
|
public static function IsRequestMemoryLimitReached() { |
|
690
|
|
|
if (self::$memoryLimit === false) { |
|
691
|
|
|
return false; |
|
692
|
|
|
} |
|
693
|
|
|
|
|
694
|
|
|
return memory_get_peak_usage(true) >= self::$memoryLimit; |
|
695
|
|
|
} |
|
696
|
|
|
|
|
697
|
|
|
/** |
|
698
|
|
|
* Returns a user identifier coming from the logged user store, mostly an email address. |
|
699
|
|
|
* |
|
700
|
|
|
* @return string |
|
701
|
|
|
*/ |
|
702
|
|
|
public static function GetUserIdentifier() { |
|
703
|
|
|
return self::$userIdentifier; |
|
704
|
|
|
} |
|
705
|
|
|
|
|
706
|
|
|
/** |
|
707
|
|
|
* Sets a user identifier coming from the logged user store. |
|
708
|
|
|
* |
|
709
|
|
|
* @param string $userIdentifier |
|
710
|
|
|
*/ |
|
711
|
|
|
public static function SetUserIdentifier($userIdentifier) { |
|
712
|
|
|
self::$userIdentifier = $userIdentifier; |
|
713
|
|
|
} |
|
714
|
|
|
|
|
715
|
|
|
/*---------------------------------------------------------------------------------------------------------- |
|
716
|
|
|
* Private stuff |
|
717
|
|
|
*/ |
|
718
|
|
|
|
|
719
|
|
|
/** |
|
720
|
|
|
* Replaces all not allowed characters in a string. |
|
721
|
|
|
* |
|
722
|
|
|
* @param string $input the input string |
|
723
|
|
|
* @param int $filter one of the predefined filters: LETTERS_ONLY, HEX_ONLY, WORDCHAR_ONLY, NUMBERS_ONLY, NUMBERSDOT_ONLY |
|
724
|
|
|
* @param char $replacevalue (opt) a character the filtered characters should be replaced with |
|
|
|
|
|
|
725
|
|
|
* |
|
726
|
|
|
* @return string |
|
727
|
|
|
*/ |
|
728
|
|
|
private static function filterEvilInput($input, $filter, $replacevalue = '') { |
|
729
|
|
|
$re = false; |
|
730
|
|
|
if ($filter == self::LETTERS_ONLY) { |
|
731
|
|
|
$re = "/[^A-Za-z]/"; |
|
732
|
|
|
} |
|
733
|
|
|
elseif ($filter == self::HEX_ONLY) { |
|
734
|
|
|
$re = "/[^A-Fa-f0-9]/"; |
|
735
|
|
|
} |
|
736
|
|
|
elseif ($filter == self::WORDCHAR_ONLY) { |
|
737
|
|
|
$re = "/[^A-Za-z0-9]/"; |
|
738
|
|
|
} |
|
739
|
|
|
elseif ($filter == self::NUMBERS_ONLY) { |
|
740
|
|
|
$re = "/[^0-9]/"; |
|
741
|
|
|
} |
|
742
|
|
|
elseif ($filter == self::NUMBERSDOT_ONLY) { |
|
743
|
|
|
$re = "/[^0-9\\.]/"; |
|
744
|
|
|
} |
|
745
|
|
|
elseif ($filter == self::HEX_EXTENDED) { |
|
746
|
|
|
$re = "/[^A-Fa-f0-9\\:\\.]/"; |
|
747
|
|
|
} |
|
748
|
|
|
elseif ($filter == self::HEX_EXTENDED2) { |
|
749
|
|
|
$re = "/[^A-Fa-f0-9\\:USGI]/"; |
|
750
|
|
|
} // Folder origin constants from DeviceManager::FLD_ORIGIN_* (C already hex) |
|
751
|
|
|
elseif ($filter == self::ISO8601) { |
|
752
|
|
|
$re = "/[^\\d{8}T\\d{6}Z]/"; |
|
753
|
|
|
} |
|
754
|
|
|
|
|
755
|
|
|
return ($re) ? preg_replace($re, $replacevalue, $input) : ''; |
|
756
|
|
|
} |
|
757
|
|
|
|
|
758
|
|
|
/** |
|
759
|
|
|
* If $input is a valid IPv4 or IPv6 address, returns a valid compact IPv4 or IPv6 address string. |
|
760
|
|
|
* Otherwise, it will strip all characters that are neither numerical or '.' and prefix with "bad-ip". |
|
761
|
|
|
* |
|
762
|
|
|
* @param string $input The ipv4/ipv6 address |
|
763
|
|
|
* |
|
764
|
|
|
* @return string |
|
765
|
|
|
*/ |
|
766
|
|
|
private static function filterIP($input) { |
|
767
|
|
|
$in_addr = @inet_pton($input); |
|
768
|
|
|
if ($in_addr === false) { |
|
769
|
|
|
return 'badip-' . self::filterEvilInput($input, self::HEX_EXTENDED); |
|
770
|
|
|
} |
|
771
|
|
|
|
|
772
|
|
|
return inet_ntop($in_addr); |
|
773
|
|
|
} |
|
774
|
|
|
|
|
775
|
|
|
/** |
|
776
|
|
|
* Returns base64 encoded "php://input" |
|
777
|
|
|
* With POST request (our case), you can open and read |
|
778
|
|
|
* multiple times "php://input". |
|
779
|
|
|
* |
|
780
|
|
|
* @param int $maxLength max. length to be returned. Default: return all |
|
781
|
|
|
* |
|
782
|
|
|
* @return string - base64 encoded wbxml |
|
783
|
|
|
*/ |
|
784
|
|
|
public static function GetInputAsBase64($maxLength = -1) { |
|
785
|
|
|
$input = fopen('php://input', 'r'); |
|
786
|
|
|
$wbxml = base64_encode(stream_get_contents($input, $maxLength)); |
|
787
|
|
|
fclose($input); |
|
788
|
|
|
|
|
789
|
|
|
return $wbxml; |
|
790
|
|
|
} |
|
791
|
|
|
|
|
792
|
|
|
/** |
|
793
|
|
|
* Decodes base64 encoded query parameters. Based on dw2412 contribution. |
|
794
|
|
|
*/ |
|
795
|
|
|
private static function decodeBase64URI() { |
|
796
|
|
|
/* |
|
797
|
|
|
* The query string has a following structure. Number in () is position: |
|
798
|
|
|
* 1 byte - protocol version (0) |
|
799
|
|
|
* 1 byte - command code (1) |
|
800
|
|
|
* 2 bytes - locale (2) |
|
801
|
|
|
* 1 byte - device ID length (4) |
|
802
|
|
|
* variable - device ID (4+device ID length) |
|
803
|
|
|
* 1 byte - policy key length (5+device ID length) |
|
804
|
|
|
* 0 or 4 bytes - policy key (5+device ID length + policy key length) |
|
805
|
|
|
* 1 byte - device type length (6+device ID length + policy key length) |
|
806
|
|
|
* variable - device type (6+device ID length + policy key length + device type length) |
|
807
|
|
|
* variable - command parameters, array which consists of: |
|
808
|
|
|
* 1 byte - tag |
|
809
|
|
|
* 1 byte - length |
|
810
|
|
|
* variable - value of the parameter |
|
811
|
|
|
* |
|
812
|
|
|
*/ |
|
813
|
|
|
$decoded = base64_decode($_SERVER['QUERY_STRING']); |
|
814
|
|
|
$devIdLength = ord($decoded[4]); // device ID length |
|
815
|
|
|
$polKeyLength = ord($decoded[5 + $devIdLength]); // policy key length |
|
816
|
|
|
$devTypeLength = ord($decoded[6 + $devIdLength + $polKeyLength]); // device type length |
|
817
|
|
|
// unpack the decoded query string values |
|
818
|
|
|
self::$base64QueryDecoded = unpack("CProtVer/CCommand/vLocale/CDevIDLen/H" . ($devIdLength * 2) . "DevID/CPolKeyLen" . ($polKeyLength == 4 ? "/VPolKey" : "") . "/CDevTypeLen/A" . $devTypeLength . "DevType", $decoded); |
|
819
|
|
|
|
|
820
|
|
|
// get the command parameters |
|
821
|
|
|
$pos = 7 + $devIdLength + $polKeyLength + $devTypeLength; |
|
822
|
|
|
$decoded = substr($decoded, $pos); |
|
823
|
|
|
while (strlen($decoded) > 0) { |
|
824
|
|
|
$paramLength = ord($decoded[1]); |
|
825
|
|
|
$unpackedParam = unpack("CParamTag/CParamLength/A" . $paramLength . "ParamValue", $decoded); |
|
826
|
|
|
self::$base64QueryDecoded[ord($decoded[0])] = $unpackedParam['ParamValue']; |
|
827
|
|
|
// remove parameter from decoded query string |
|
828
|
|
|
$decoded = substr($decoded, 2 + $paramLength); |
|
829
|
|
|
} |
|
830
|
|
|
} |
|
831
|
|
|
} |
|
832
|
|
|
|
grommunio /
grommunio-sync
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