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@ -3,7 +3,7 @@
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/**
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+-----------------------------------------------------------------------+
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| This file is part of the Roundcube Webmail client |
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| Copyright (C) 2008-2014, The Roundcube Dev Team |
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| Copyright (C) 2008-2017, The Roundcube Dev Team |
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| Copyright (C) 2002-2010, The Horde Project (http://www.horde.org/) |
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| Licensed under the GNU General Public License version 3 or |
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@ -15,6 +15,7 @@
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+-----------------------------------------------------------------------+
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| Author: Jan Schneider <jan@horde.org> |
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| Author: Michael Slusarz <slusarz@horde.org> |
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| Author: Aleksander Machniak <alec@alec.pl> |
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+-----------------------------------------------------------------------+
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*/
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@ -29,41 +30,70 @@
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*/
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class rcube_tnef_decoder
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{
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const SIGNATURE = 0x223e9f78;
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const LVL_MESSAGE = 0x01;
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const LVL_ATTACHMENT = 0x02;
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const ASUBJECT = 0x88004;
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const AMCLASS = 0x78008;
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const ATTACHDATA = 0x6800f;
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const AFILENAME = 0x18010;
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const ARENDDATA = 0x69002;
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const AMAPIATTRS = 0x69005;
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const AVERSION = 0x89006;
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const MAPI_NULL = 0x0001;
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const MAPI_SHORT = 0x0002;
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const MAPI_INT = 0x0003;
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const MAPI_FLOAT = 0x0004;
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const MAPI_DOUBLE = 0x0005;
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const SIGNATURE = 0x223e9f78;
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const LVL_MESSAGE = 0x01;
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const LVL_ATTACHMENT = 0x02;
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const ASUBJECT = 0x88004;
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const AMCLASS = 0x78008;
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const ATTACHDATA = 0x6800f;
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const AFILENAME = 0x18010;
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const ARENDDATA = 0x69002;
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const AMAPIATTRS = 0x69005;
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const AOEMCODEPAGE = 0x69007;
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const AVERSION = 0x89006;
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const MAPI_NULL = 0x0001;
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const MAPI_SHORT = 0x0002;
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const MAPI_INT = 0x0003;
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const MAPI_FLOAT = 0x0004;
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const MAPI_DOUBLE = 0x0005;
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const MAPI_CURRENCY = 0x0006;
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const MAPI_APPTIME = 0x0007;
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const MAPI_ERROR = 0x000a;
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const MAPI_BOOLEAN = 0x000b;
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const MAPI_OBJECT = 0x000d;
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const MAPI_APPTIME = 0x0007;
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const MAPI_ERROR = 0x000a;
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const MAPI_BOOLEAN = 0x000b;
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const MAPI_OBJECT = 0x000d;
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const MAPI_INT8BYTE = 0x0014;
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const MAPI_STRING = 0x001e;
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const MAPI_STRING = 0x001e;
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const MAPI_UNICODE_STRING = 0x001f;
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const MAPI_SYSTIME = 0x0040;
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const MAPI_CLSID = 0x0048;
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const MAPI_BINARY = 0x0102;
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const MAPI_ATTACH_LONG_FILENAME = 0x3707;
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const MAPI_ATTACH_MIME_TAG = 0x370E;
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const MAPI_NAMED_TYPE_ID = 0x0000;
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const MAPI_NAMED_TYPE_STRING = 0x0001;
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const MAPI_MV_FLAG = 0x1000;
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const MAPI_SYSTIME = 0x0040;
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const MAPI_CLSID = 0x0048;
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const MAPI_BINARY = 0x0102;
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const MAPI_DISPLAY_NAME = 0x3001;
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const MAPI_ADDRTYPE = 0x3002;
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const MAPI_EMAIL_ADDRESS = 0x3003;
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const MAPI_COMMENT = 0x3004;
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const MAPI_DEPTH = 0x3005;
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const MAPI_PROVIDER_DISPLAY = 0x3006;
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const MAPI_CREATION_TIME = 0x3007;
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const MAPI_LAST_MODIFICATION_TIME = 0x3008;
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const MAPI_RESOURCE_FLAGS = 0x3009;
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const MAPI_PROVIDER_DLL_NAME = 0x300A;
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const MAPI_SEARCH_KEY = 0x300B;
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const MAPI_ATTACHMENT_X400_PARAMETERS = 0x3700;
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const MAPI_ATTACH_DATA_OBJ = 0x3701;
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const MAPI_ATTACH_ENCODING = 0x3702;
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const MAPI_ATTACH_EXTENSION = 0x3703;
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const MAPI_ATTACH_FILENAME = 0x3704;
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const MAPI_ATTACH_METHOD = 0x3705;
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const MAPI_ATTACH_LONG_FILENAME = 0x3707;
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const MAPI_ATTACH_PATHNAME = 0x3708;
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const MAPI_ATTACH_RENDERING = 0x3709;
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const MAPI_ATTACH_TAG = 0x370A;
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const MAPI_RENDERING_POSITION = 0x370B;
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const MAPI_ATTACH_TRANSPORT_NAME = 0x370C;
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const MAPI_ATTACH_LONG_PATHNAME = 0x370D;
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const MAPI_ATTACH_MIME_TAG = 0x370E;
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const MAPI_ATTACH_ADDITIONAL_INFO = 0x370F;
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const MAPI_ATTACH_MIME_SEQUENCE = 0x3710;
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const MAPI_ATTACH_CONTENT_ID = 0x3712;
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const MAPI_ATTACH_CONTENT_LOCATION = 0x3713;
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const MAPI_ATTACH_FLAGS = 0x3714;
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const MAPI_NAMED_TYPE_ID = 0x0000;
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const MAPI_NAMED_TYPE_STRING = 0x0001;
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const MAPI_MV_FLAG = 0x1000;
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/**
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* Decompress the data.
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@ -153,10 +183,12 @@ class rcube_tnef_decoder
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protected function _decodeAttribute(&$data, $attribute)
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{
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/* Data. */
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$this->_getx($data, $this->_geti($data, 32));
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$value = $this->_getx($data, $this->_geti($data, 32));
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/* Checksum. */
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$this->_geti($data, 16);
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return $value;
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}
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/**
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@ -254,13 +286,13 @@ class rcube_tnef_decoder
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/* Store any interesting attributes. */
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switch ($attr_name) {
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case self::MAPI_ATTACH_LONG_FILENAME:
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$value = str_replace("\0", '', $value);
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$value = $this->convertString($value);
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/* Used in preference to AFILENAME value. */
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$attachment_data[0]['name'] = preg_replace('/.*[\/](.*)$/', '\1', $value);
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break;
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case self::MAPI_ATTACH_MIME_TAG:
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$value = str_replace("\0", '', $value);
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$value = $this->convertString($value);
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/* Is this ever set, and what is format? */
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$attachment_data[0]['type'] = preg_replace('/^(.*)\/.*/', '\1', $value);
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$attachment_data[0]['subtype'] = preg_replace('/.*\/(.*)$/', '\1', $value);
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@ -276,7 +308,18 @@ class rcube_tnef_decoder
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*/
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protected function _decodeMessage(&$data)
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{
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$this->_decodeAttribute($data, $this->_geti($data, 32));
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$attribute = $this->_geti($data, 32);
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$value = $this->_decodeAttribute($data, $attribute);
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switch ($attribute) {
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case self::AOEMCODEPAGE:
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// Find codepage of the message
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$value = unpack('V', $value);
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$this->codepage = $value[1];
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break;
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default:
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}
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}
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/**
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@ -307,7 +350,8 @@ class rcube_tnef_decoder
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case self::AFILENAME:
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$value = $this->_getx($data, $this->_geti($data, 32));
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$value = str_replace("\0", '', $value);
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$value = $this->convertString($value, true);
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/* Strip path. */
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$attachment_data[0]['name'] = preg_replace('/.*[\/](.*)$/', '\1', $value);
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@ -318,7 +362,7 @@ class rcube_tnef_decoder
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case self::ATTACHDATA:
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/* The attachment itself. */
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$length = $this->_geti($data, 32);
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$attachment_data[0]['size'] = $length;
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$attachment_data[0]['size'] = $length;
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$attachment_data[0]['stream'] = $this->_getx($data, $length);
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/* Checksum */
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@ -326,8 +370,7 @@ class rcube_tnef_decoder
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break;
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case self::AMAPIATTRS:
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$length = $this->_geti($data, 32);
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$value = $this->_getx($data, $length);
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$value = $this->_getx($data, $this->_geti($data, 32));
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/* Checksum */
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$this->_geti($data, 16);
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@ -338,4 +381,23 @@ class rcube_tnef_decoder
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$this->_decodeAttribute($data, $attribute);
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}
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}
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/**
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* Convert string value to system charset according to defined codepage
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*/
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protected function convertString($str, $use_codepage = false)
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{
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$str = rtrim($str, "\0");
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if ($convert && $this->codepage
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&& ($charset = rcube_charset::$windows_codepages[$this->codepage])
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) {
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$str = rcube_charset::convert($str, $charset);
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}
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else if (strpos($str, "\0") !== false) {
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$str = rcube_charset::convert($str, 'UTF-16LE');
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}
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return $str;
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}
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}
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Aleksander Machniak
7 years ago