Exchange and PHP, a nightmare with a solution

OK that title is not very smooth or clever, but a project I worked on several years ago was syncing Microsoft Exchange with PHP. There's a lot out there not documented, primarily because there are several problems with PHP's implementation of XML and Microsoft's over-use of namespaces and so forth. However, with some serious hacking, I've come up with some solutions.

This was initially based on some code I had found online, however it was so long ago I have not been able to figure it out so I cannot provide proper attribution. Additionally, impersonation does work, and I've seen a lot of people have a problem with this as well.

The biggest thing is it requires a lot of manual XML to actually work, you can't build the objects and expect it to work correctly, it literally will not, primarily due to PHP's SOAP class.

The primary benefit of this code is to see how I hacked around dealing with PHP's issues when it came to trying to deal with the Exchange calendar and task system.

Feel free to reply with any fixes, updates, etc.

A few things to note:

When I created this, it was a hackfest with very little time, so the code is not my best work at all; I mean it uses globals for god sake, and improper OOP, improper usage of PSR, classes doing far too much, etc.
This code was built for PHP 5.2 – 5.4, and takes no advantage of PHP 7 or anything.
Yes, those two above mean I am embarrassed by the quality of this code, but hiding it isn't really useful to anyone, especially because I am not using it in my project any more.
This will not work out of box, because it was built specifically for my project, however because it was such a nightmare and other people are struggling, I'm sharing it. It should give you a good idea of where to start and how to deal with some hiccoughs.
I assume you've already got the basis down, and you've got messages.xsd, Services.wsdl, and types.xsd, and all the other stuff. Basically I am just assuming you've got it working, you're just running into problems actually doing anything useful.

Usage from my job which pull down basically everything first. This is because repeating calendar entries are only listed once, so you have to pre-grab and store everything in order to deal with it later. The most important aspects are storing the ID and change key so that you can properly manage it later. If someone edits a calendar entry, the change key will be "changed," so every once in a while, depending on your desire of accuracy, you may need to resync everything, unless you find a better way to do it (if so please share).

   $Exchange = new Exchange('phpuser@mydomain.com', 'mypassword');

   $entries = $Exchange->calendarList(600000, 0, True, 'Beginning');

$Exchange = new Exchange('phpuser@mydomain.com', 'mypassword');

$entries = $Exchange->calendarList(600000, 0, True, 'Beginning');

Here's the classes:

<?php
/****************************************
 * @author  @tonyshowoff
 * @version 1
 * @license MIT/X11
 ****************************************/

$GLOBALS['_EXCHANGE'] = array(
   'impersonate' => Null, /* Email address of account to impersonate */
   'curl'        => Null,
   'full_debug'  => False, /* This will display all traffic as well */
   'curl_debug'  => False /* Set cURL as verbose response */
);

$GLOBALS['_CONFIG'] = array(
   'debug_mode' => True,
   'exchange_cache' => '', /* Pathh which contains your Services.wsdl, etc */
);

class Exchange {
   public $lastError;
   private $client;
   private $impersonate;
   private $pass;
   private $user;
   private $wsdl;

   function __construct($user, $pass, $impersonate = Null) {
      $this->wsdl                          = $GLOBALS['_CONFIG']['exchange_cache'] . '/Services.wsdl';
      $this->user                          = $user;
      $this->pass                          = $pass;
      $this->impersonate                   = $impersonate;
      $GLOBALS['_EXCHANGE']['impersonate'] = $impersonate;
      $GLOBALS['_EXCHANGE']['curl']        = Null;
      $this->client                        = new ExchangeNTLMSoapClient($this->wsdl);
      $this->client->user                  = $this->user;
      $this->client->password              = $this->pass;
   }

   function calendarEntry($id) {
      $this->setup();

      $req_xml                       = new stdClass();
      $req_xml->ItemShape            = new stdClass();
      $req_xml->ItemShape->BaseShape = 'AllProperties';
      $req_xml->ItemIds              = new stdClass();
      $req_xml->ItemIds->ItemId      = new stdClass();
      $req_xml->ItemIds->ItemId->Id  = $id;

      try {
         $response = $this->client->GetItem($req_xml);
      } catch (Exception $e) {
         echo 'calendarEntry() exception on ID "' . $id . '": ', $e->getMessage(), "\n";
         $this->teardown();

         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->GetItemResponseMessage->ResponseCode == 'NoError') {
         return $response->ResponseMessages->GetItemResponseMessage->Items->CalendarItem;
      } else {
         return False;
      }
   }

   function calendarEventAdd($subject, $start, $end, $location, $body = '', $type = 'HTML', $isallday = False) {
      /*
        $start and $end must be in ISO date format or rather 'c' in PHP date format
        This function returns an array of item details upon success and False upon failure. */

      $this->setup();

      $event_xml                                               = new stdClass();
      $event_xml->SendMeetingInvitations                       = 'SendToNone';
      $event_xml->SavedItemFolderId                            = new stdClass();
      $event_xml->SavedItemFolderId->DistinguishedFolderId     = new stdClass();
      $event_xml->SavedItemFolderId->DistinguishedFolderId->Id = 'calendar';
      $event_xml->Items                                        = new stdClass();
      $event_xml->Items->CalendarItem                          = new stdClass();
      $event_xml->Items->CalendarItem->Subject                 = $subject;
      $event_xml->Items->CalendarItem->Start                   = $start;
      $event_xml->Items->CalendarItem->End                     = $end;
      $event_xml->Items->CalendarItem->Body                    = new stdClass();
      $event_xml->Items->CalendarItem->Body->BodyType          = $type;
      $event_xml->Items->CalendarItem->Body->_                 = $body;
      $event_xml->Items->CalendarItem->IsAllDayEvent           = $isallday;
      $event_xml->Items->CalendarItem->LegacyFreeBusyStatus    = 'Busy'; // Legacy only (never use)
      $event_xml->Items->CalendarItem->Location                = $location;

      try {
         $response = $this->client->CreateItem($event_xml);
      } catch (Exception $e) {
         echo 'calendarEventAdd() exception: ', $e->getMessage(), "\n";
         $this->teardown();

         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->CreateItemResponseMessage->ResponseCode == 'NoError') {
         return ['ItemId'    => $response->ResponseMessages->CreateItemResponseMessage->Items->CalendarItem->ItemId->Id,
                 'ChangeKey' => $response->ResponseMessages->CreateItemResponseMessage->Items->CalendarItem->ItemId->ChangeKey];
      } else {
         $this->lastError = $response->ResponseMessages->CreateItemResponseMessage->ResponseCode;
         log_out_error('exchange', "Calendar:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($event_xml, 1));

         return False;
      }
   }

   /**
    * Sets up strream handling. Internally used.
    *
    * @access private
    * @return void
    */
   private function setup() {
      stream_wrapper_unregister('http');
      stream_wrapper_register('http', 'ExchangeNTLMStream') or die('Failed to register protocol: 8c251e34-77e6-41ce-88da-4dbc90bc8a60');
   }

   /**
    * Tears down stream handling. Internally used.
    *
    * @access private
    * @return void
    */

   function teardown() {
      stream_wrapper_restore('http');
   }

   function calendarEventDelete($item_id, $type = 'HardDelete') {
      $this->setup();

      $DeleteItem                           = new stdClass();
      $DeleteItem->DeleteType               = $type;
      $DeleteItem->SendMeetingCancellations = 'SendToNone';
      $DeleteItem->ItemIds                  = new stdClass();
      $DeleteItem->ItemIds->ItemId          = new stdClass();
      $DeleteItem->ItemIds->ItemId->Id      = $item_id;

      try {
         $response = $this->client->DeleteItem($DeleteItem);
      } catch (Exception $e) {
         echo 'calendarEventDelete() exception on ID "' . $item_id . '": ', $e->getMessage(), "\n";
         $this->teardown();

         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->DeleteItemResponseMessage->ResponseCode == 'NoError') {
         return True;
      } else {
         $this->lastError = $response->ResponseMessages->DeleteItemResponseMessage->ResponseCode;
         log_out_error('exchange', "Calendar:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($DeleteItem, 1));

         return False;
      }
   }

   function calendarList($limit = 10, $offset = 0, $full = False, $point = 'Beginning') {
      $this->setup();

      $FindItem            = new stdClass();
      $FindItem->Traversal = 'Shallow';
      $FindItem->ItemShape = new stdClass();

      if (True == $full) {
         $FindItem->ItemShape->BaseShape = 'AllProperties';
      } else {
         $FindItem->ItemShape->BaseShape            = 'IdOnly';
         $FindItem->ItemShape->AdditionalProperties = new SoapVar(
            '<ns1:AdditionalProperties>
                                <ns1:FieldURI FieldURI="calendar:CalendarItemType"/>
                                <ns1:FieldURI FieldURI="calendar:IsMeeting"/>
                                <ns1:FieldURI FieldURI="calendar:IsRecurring"/>
                                <ns1:FieldURI FieldURI="calendar:Organizer"/>
                                <ns1:FieldURI FieldURI="calendar:Start"/>
                                <ns1:FieldURI FieldURI="calendar:End"/>
                                <ns1:FieldURI FieldURI="calendar:Duration"/>
                                <ns1:FieldURI FieldURI="calendar:IsAllDayEvent"/>
                                <ns1:FieldURI FieldURI="calendar:Location"/>
                                <ns1:FieldURI FieldURI="calendar:MeetingRequestWasSent"/>
                                <ns1:FieldURI FieldURI="calendar:MyResponseType"/>
                                <ns1:FieldURI FieldURI="calendar:AppointmentSequenceNumber"/>
                                <ns1:FieldURI FieldURI="calendar:AppointmentState"/>
                                <ns1:FieldURI FieldURI="item:Categories"/>
                                <ns1:FieldURI FieldURI="item:HasAttachments"/>
                                <ns1:FieldURI FieldURI="item:ReminderDueBy"/>
                                <ns1:FieldURI FieldURI="item:ReminderIsSet"/>
                                <ns1:FieldURI FieldURI="item:ReminderMinutesBeforeStart"/>
                                <ns1:FieldURI FieldURI="item:Subject"/>
                                <ns1:FieldURI FieldURI="item:ItemClass"/>
                                <ns1:FieldURI FieldURI="item:Sensitivity"/>
                                <ns1:FieldURI FieldURI="item:DateTimeReceived"/>
                                <ns1:FieldURI FieldURI="item:Importance"/>
                                <ns1:FieldURI FieldURI="item:IsDraft"/>
                                <ns1:FieldURI FieldURI="item:DateTimeCreated"/>
                        </ns1:AdditionalProperties>', XSD_ANYXML);
      }

      $FindItem->IndexedPageItemView                     = new stdClass();
      $FindItem->IndexedPageItemView->MaxEntriesReturned = $limit;
      $FindItem->IndexedPageItemView->Offset             = $offset;
      $FindItem->IndexedPageItemView->BasePoint          = $point;

      $FindItem->ParentFolderIds                            = new stdClass();
      $FindItem->ParentFolderIds->DistinguishedFolderId     = new stdClass();
      $FindItem->ParentFolderIds->DistinguishedFolderId->Id = 'calendar';

      try {
         $response = $this->client->FindItem($FindItem);
      } catch (Exception $e) {
         return False;
      }

      if ($response->ResponseMessages->FindItemResponseMessage->ResponseCode != 'NoError') {
         $this->lastError = $response->ResponseMessages->FindItemResponseMessage->ResponseCode;

         return false;
      }

      if (empty($response->ResponseMessages->FindItemResponseMessage->RootFolder->Items->CalendarItem)) {
         $items = False;
      } else {
         $items = $response->ResponseMessages->FindItemResponseMessage->RootFolder->Items->CalendarItem;

         if (!is_array($items)) {
            $items = $response->ResponseMessages->FindItemResponseMessage->RootFolder->Items;
         }
      }

      $this->teardown();

      return $items;
   }

   function calendar_event_update($item_id, $changekey, $subject, $start, $end, $location, $body = '', $type = 'HTML', $isallday = False) {
      /*
        $start and $end must be in ISO date format or rather 'c' in PHP date format
        This function returns an array of item details upon success and False upon failure. */

      $this->setup();

      $update_xml = new stdClass();

      $update_xml->SendMeetingInvitationsOrCancellations = 'SendToNone';
      $update_xml->MessageDisposition                    = 'SaveOnly';
      $update_xml->ConflictResolution                    = 'AlwaysOverwrite';

      $update_xml->ItemChanges                     = new stdClass();
      $update_xml->ItemChanges->ItemChange         = new stdClass();
      $update_xml->ItemChanges->ItemChange->ItemId = new stdClass();

      $update_xml->ItemChanges->ItemChange->ItemId->Id = $item_id;

      $update_xml->ItemChanges->ItemChange->ItemId->ChangeKey = $changekey;

      $update_xml->ItemChanges->ItemChange->Updates = new stdClass();

      $update_xml->ItemChanges->ItemChange->Updates = new SoapVar(
         '<ns1:Updates>
                                <ns1:SetItemField>
                                        <ns1:FieldURI FieldURI="item:Subject" />
                                        <ns1:CalendarItem>
                                                <ns1:Subject>' . htmlspecialchars($subject) . '</ns1:Subject>
                                        </ns1:CalendarItem>
                                </ns1:SetItemField>
                                <ns1:SetItemField>
                                        <ns1:FieldURI FieldURI="calendar:Location" />
                                        <ns1:CalendarItem>
                                                <ns1:Location>' . htmlspecialchars($location) . '</ns1:Location>
                                        </ns1:CalendarItem>
                                </ns1:SetItemField>
                                <ns1:SetItemField>
                                        <ns1:FieldURI FieldURI="calendar:Start" />
                                        <ns1:CalendarItem>
                                                <ns1:Start>' . $start . '</ns1:Start>
                                        </ns1:CalendarItem>
                                </ns1:SetItemField>
                                <ns1:SetItemField>
                                        <ns1:FieldURI FieldURI="calendar:End" />
                                        <ns1:CalendarItem>
                                                <ns1:End>' . $end . '</ns1:End>
                                        </ns1:CalendarItem>
                                </ns1:SetItemField>
                                <ns1:SetItemField>
                                        <ns1:FieldURI FieldURI="item:Body" />
                                        <ns1:CalendarItem>
                                                <ns1:Body BodyType="HTML">' . htmlspecialchars($body) . '</ns1:Body>
                                        </ns1:CalendarItem>
                                </ns1:SetItemField>
                        </ns1:Updates>', XSD_ANYXML);

      try {
         $response = $this->client->UpdateItem($update_xml);
      } catch (Exception $e) {
         echo 'calendar_event_update() exception on ID "' . $item_id . '": ', $e->getMessage(), "\n";
         $this->teardown();

         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->UpdateItemResponseMessage->ResponseCode == 'NoError') {
         return ['changekey' => $response->ResponseMessages->UpdateItemResponseMessage->Items->CalendarItem->ItemId->ChangeKey];
      } else {
         $this->lastError = $response->ResponseMessages->UpdateItemResponseMessage->ResponseCode;
         log_out_error('exchange', "Calendar:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($update_xml, 1));

         return False;
      }
   }

   function close() {
      curl_close($GLOBALS['_EXCHANGE']['curl']);

      $GLOBALS['_EXCHANGE']['impersonate'] = Null;
      $GLOBALS['_EXCHANGE']['curl']        = Null;

      if ($GLOBALS['_CONFIG']['debug_mode'] == True) {
         echo " [D] Close Exchange connection.\n";
      }
   }

   /**
    * Deletes a message in the mailbox of the current user.
    *
    * @access public
    *
    * @param ItemId $ItemId     (such as one returned by get_messages)
    * @param string $deletetype . (default: "HardDelete")
    *
    * @return bool $success (true: message was deleted, false: message failed to delete)
    */
   function delete_message($ItemId, $deletetype = "HardDelete") {
      $this->setup();

      $DeleteItem->DeleteType      = $deletetype;
      $DeleteItem->ItemIds->ItemId = $ItemId;

      $response = $this->client->DeleteItem($DeleteItem);

      $this->teardown();

      if ($response->ResponseMessages->DeleteItemResponseMessage->ResponseCode == "NoError") {
         return true;
      } else {
         $this->lastError = $response->ResponseMessages->DeleteItemResponseMessage->ResponseCode;

         return false;
      }
   }

   function getAttachment($item_id, $attachment_id) {
      // Doesn't seem to work.
      $this->setup();

      $req_xml                                = new stdClass();
      $req_xml->ItemShape                     = new stdClass();
      $req_xml->ItemShape->BaseShape          = 'AllProperties';
      $req_xml->ItemIds                       = new stdClass();
      $req_xml->ItemIds->ItemId               = new stdClass();
      $req_xml->ItemIds->ItemId->Id           = $item_id;
      $req_xml->ItemIds->ItemId->AttachmentId = $attachment_id;

      try {
         $response = $this->client->GetAttachment($req_xml);
      } catch (Exception $e) {
         echo 'getAttachment() exception on ID "' . $item_id . '": ', $e->getMessage(), "\n";
         $this->teardown();

         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->GetItemResponseMessage->ResponseCode == 'NoError') {
         return $response->ResponseMessages->GetItemResponseMessage->Items->Attachment;
      } else {
         return False;
      }
   }

   function getInbox($limit = 10, $offset = 0) {
      $this->setup();

      $FindItem            = new stdClass();
      $FindItem->Traversal = 'Shallow';
      $FindItem->ItemShape = new stdClass();

      $FindItem->ItemShape->BaseShape = 'IdOnly';

      $FindItem->ItemShape->AdditionalProperties = new SoapVar(
         '<ns1:AdditionalProperties>
                                <ns1:FieldURI FieldURI="item:Subject"/>
                        </ns1:AdditionalProperties>', XSD_ANYXML);

      $FindItem->IndexedPageItemView                     = new stdClass();
      $FindItem->IndexedPageItemView->MaxEntriesReturned = $limit;
      $FindItem->IndexedPageItemView->Offset             = $offset;
      $FindItem->IndexedPageItemView->BasePoint          = 'Beginning';

      $FindItem->ParentFolderIds                            = new stdClass();
      $FindItem->ParentFolderIds->DistinguishedFolderId     = new stdClass();
      $FindItem->ParentFolderIds->DistinguishedFolderId->Id = 'inbox';

      try {
         $response = $this->client->FindItem($FindItem);
      } catch (Exception $e) {
         return False;
      }

      if ($response->ResponseMessages->FindItemResponseMessage->ResponseCode != 'NoError') {
         $this->lastError = $response->ResponseMessages->FindItemResponseMessage->ResponseCode;

         return false;
      }

      $items = $response->ResponseMessages->FindItemResponseMessage->RootFolder->Items->Message;

      $this->teardown();

      return $items;
   }

   function itemExists($id) {
      $this->setup();

      $req_xml                       = new stdClass();
      $req_xml->ItemShape            = new stdClass();
      $req_xml->ItemShape->BaseShape = 'IdOnly';
      $req_xml->ItemIds              = new stdClass();
      $req_xml->ItemIds->ItemId      = new stdClass();
      $req_xml->ItemIds->ItemId->Id  = $id;

      try {
         $response = $this->client->GetItem($req_xml);
      } catch (Exception $e) {
         echo 'itemExists() exception on ID "' . $id . '": ', $e->getMessage(), "\n";

         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->GetItemResponseMessage->ResponseCode == 'NoError') {
         return True;
      } else {
         return False;
      }
   }

   function sendMessage($to, $subject, $content, $type = 'HTML', $save = False, $read = True) {
      /*
        This sends a message through Exchange as the user that's logged in via init.

        $to         - The email address we're sending to, can be internal or external
        $subject        - The subject
        $content        - The content, style dependent on $type
        $type         - Default is 'Text', but 'HTML' should be used for HTML emails
        $save         - Default F, T/F save to user's sent folder?
        $read         - Default F, T/F mark as read. @BUG: Doesn't seem to work, possibly missing another field?
       */

      $this->setup();

      $msg_xml = new stdClass();

      if ($save == True) {
         $msg_xml->MessageDisposition                           = 'SendOnly';
         $msg_xml->SavedItemFolderId                            = new stdClass();
         $msg_xml->SavedItemFolderId->DistinguishedFolderId     = new stdClass();
         $msg_xml->SavedItemFolderId->DistinguishedFolderId->Id = 'sentitems';
      } else {
         $msg_xml->MessageDisposition = 'SendOnly';
      }

      $msg_xml->Items                                               = new stdClass();
      $msg_xml->Items->Message                                      = new stdClass();
      $msg_xml->Items->Message->ItemClass                           = 'IPM.Note';
      $msg_xml->Items->Message->Subject                             = $subject;
      $msg_xml->Items->Message->Body                                = new stdClass();
      $msg_xml->Items->Message->Body->BodyType                      = $type;
      $msg_xml->Items->Message->Body->_                             = $content;
      $msg_xml->Items->Message->ToRecipients                        = new stdClass();
      $msg_xml->Items->Message->ToRecipients->Mailbox               = new stdClass();
      $msg_xml->Items->Message->ToRecipients->Mailbox->EmailAddress = $to;

      if ($read == True) {
         $msg_xml->Items->Message->IsRead = 'true';
      }

      try {
         $response = $this->client->CreateItem($msg_xml);
      } catch (Exception $e) {
         return False;
      }

      $this->teardown();

      if ($response->ResponseMessages->CreateItemResponseMessage->ResponseCode == 'NoError') {
         return True;
      } else {
         $this->lastError = $response->ResponseMessages->CreateItemResponseMessage->ResponseCode;
         log_out_error('exchange', "sendMessage:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($msg_xml, 1));

         return False;
      }
   }
}

class ExchangeNTLMSoapClient extends NTLMSoapClient {
   public $password = '';
   public $user = '';
}

class ExchangeNTLMStream extends NTLMStream {
   //protected $user = '';
   //protected $password = '';
}

class ImpersonationHeader {
   var $ConnectingSID;

   /*ExchangeImpersonationType and the
   ConnectingSIDType*/
   function __construct($email) {
      $this->ConnectingSID                = new stdClass();
      $this->ConnectingSID->PrincipalName = $email;
      /*
            $this->ConnectingSID = new stdClass();
            $this->ConnectingSID->PrimarySmtpAddress = $email;
      */
   }
}

class NTLMSoapClient extends SoapClient {
   function __doRequest($request, $location, $action, $version, $one_way = 0) {

      if ($GLOBALS['_EXCHANGE']['full_debug'] == True) {
         echo 'Request: ' . $request . "\n<br />";
         echo 'Location: ' . $location . "\n<br />";
         echo 'Action: ' . $action . "\n<br />";
         echo 'Version: ' . $version . "\n<br />";
         echo 'One-way: ' . $one_way . "\n<br />";
         echo 'Request: ' . print_r($request, 1);
      }

      $headers = [
         'Method: POST',
         'Connection: Keep-Alive',
         'User-Agent: PHP-SOAP-CURL',
         'Content-Type: text/xml; charset=utf-8',
         'SOAPAction: "' . $action . '"',
      ];

      // @TODO: Somehow we need to pass the $impersonate var
      //        from the exchange class to here, probably just in init
      //        or something, but we'll do this hack for now.

      if ($GLOBALS['_EXCHANGE']['impersonate'] != Null) {
         // @TODO / @HACK: Ideally we'd want to just use the SOAP system
         // built into PHP to do this, but it has a flaw which
         // will not let you properly impersonate someone.
         // Until it's fixed (been 2 years as of now) we do this.

         $xml = '<SOAP-ENV:Header>';
         $xml .= '<ns1:ExchangeImpersonation>';
         $xml .= '<ns1:ConnectingSID>';
         $xml .= '<ns1:PrimarySmtpAddress>' . $GLOBALS['_EXCHANGE']['impersonate'] . '</ns1:PrimarySmtpAddress>';
         $xml .= '</ns1:ConnectingSID>';
         $xml .= '</ns1:ExchangeImpersonation>';
         $xml .= '</SOAP-ENV:Header>';

         $request = str_replace('><SOAP-ENV:Body', '>' . $xml . '<SOAP-ENV:Body', $request);
      }

      $this->__last_request_headers = $headers;
      $GLOBALS['_EXCHANGE']['curl'] = curl_init($location);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_RETURNTRANSFER, true);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_HTTPHEADER, $headers);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_POST, true);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_POSTFIELDS, $request);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_HTTPAUTH, CURLAUTH_NTLM);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_USERPWD, $this->user . ':' . $this->password);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_SSL_VERIFYPEER, false);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_SSL_VERIFYHOST, false);
      curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_VERBOSE, $GLOBALS['_EXCHANGE']['curl_debug']);
      $response = curl_exec($GLOBALS['_EXCHANGE']['curl']);

      if ($GLOBALS['_EXCHANGE']['full_debug'] == True) {
         echo 'Response: ' . print_r($response, 1);
      }

      // @TODO: If there's an error we need to log it, but
      //        this may need to be done at all the functions
      //        which parse this, rather than here. Though we
      //        should still log all CURL errors.

      return $response;
   }

   function __getLastRequestHeaders() {
      return implode("n", $this->__last_request_headers) . "n";
   }
}

class NTLMStream {
   private $buffer;
   private $mode;
   private $opened_path;
   private $options;
   private $path;
   private $pos;

   public function stream_close() {
      echo "[NTLMStream::stream_close] n";
      curl_close($this->ch);
   }

   public function stream_eof() {
      echo "[NTLMStream::stream_eof] ";
      if ($this->pos > strlen($this->buffer)) {
         echo "true n";

         return true;
      }
      echo "false n";

      return false;
   }

   public function stream_flush() {
      echo "[NTLMStream::stream_flush] n";
      $this->buffer = null;
      $this->pos    = null;
   }

   public function stream_open($path, $mode, $options, $opened_path) {
      echo "[NTLMStream::stream_open] $path , mode=$mode n";
      $this->path        = $path;
      $this->mode        = $mode;
      $this->options     = $options;
      $this->opened_path = $opened_path;
      $this->createBuffer($path);

      return true;
   }

   private function createBuffer($path) {
      if ($this->buffer) {
         return;
      }
      echo "[NTLMStream::createBuffer] create buffer from : $pathn";
      $this->ch = curl_init($path);
      curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);
      curl_setopt($this->ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
      curl_setopt($this->ch, CURLOPT_HTTPAUTH, CURLAUTH_NTLM);
      curl_setopt($this->ch, CURLOPT_USERPWD, $this->user . ':' . $this->password);
      echo $this->buffer = curl_exec($this->ch);
      echo "[NTLMStream::createBuffer] buffer size : " . strlen($this->buffer) . "bytesn";
      $this->pos = 0;
   }

   /* return the position of the current read pointer */

   public function stream_read($count) {
      echo "[NTLMStream::stream_read] $count n";
      if (strlen($this->buffer) == 0) {
         return false;
      }
      $read = substr($this->buffer, $this->pos, $count);
      $this->pos += $count;

      return $read;
   }

   public function stream_stat() {
      echo "[NTLMStream::stream_stat] n";
      $this->createBuffer($this->path);
      $stat = [
         'size' => strlen($this->buffer),
      ];

      return $stat;
   }

   public function stream_tell() {
      echo "[NTLMStream::stream_tell] n";

      return $this->pos;
   }

   public function stream_write($data) {
      echo "[NTLMStream::stream_write] n";
      if (strlen($this->buffer) == 0) {
         return false;
      }

      return true;
   }

   /* Create the buffer by requesting the url through cURL */

   public function url_stat($path, $flags) {
      echo "[NTLMStream::url_stat] n";
      $this->createBuffer($path);
      $stat = [
         'size' => strlen($this->buffer),
      ];

      return $stat;
   }
}

class UpdateResponse {

}

?>

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<?php

/****************************************

* @author @tonyshowoff

* @version 1

* @license MIT/X11

****************************************/

$GLOBALS['_EXCHANGE'] = array(

'impersonate' => Null, /* Email address of account to impersonate */

'curl' => Null,

'full_debug' => False, /* This will display all traffic as well */

'curl_debug' => False /* Set cURL as verbose response */

);

$GLOBALS['_CONFIG'] = array(

'debug_mode' => True,

'exchange_cache' => '', /* Pathh which contains your Services.wsdl, etc */

);

class Exchange {

public $lastError;

private $client;

private $impersonate;

private $pass;

private $user;

private $wsdl;

function __construct($user, $pass, $impersonate = Null) {

$this->wsdl = $GLOBALS['_CONFIG']['exchange_cache'] . '/Services.wsdl';

$this->user = $user;

$this->pass = $pass;

$this->impersonate = $impersonate;

$GLOBALS['_EXCHANGE']['impersonate'] = $impersonate;

$GLOBALS['_EXCHANGE']['curl'] = Null;

$this->client = new ExchangeNTLMSoapClient($this->wsdl);

$this->client->user = $this->user;

$this->client->password = $this->pass;

}

function calendarEntry($id) {

$this->setup();

$req_xml = new stdClass();

$req_xml->ItemShape = new stdClass();

$req_xml->ItemShape->BaseShape = 'AllProperties';

$req_xml->ItemIds = new stdClass();

$req_xml->ItemIds->ItemId = new stdClass();

$req_xml->ItemIds->ItemId->Id = $id;

try {

$response = $this->client->GetItem($req_xml);

} catch (Exception $e) {

echo 'calendarEntry() exception on ID "' . $id . '": ', $e->getMessage(), "\n";

$this->teardown();

return False;

}

$this->teardown();

if ($response->ResponseMessages->GetItemResponseMessage->ResponseCode == 'NoError') {

return $response->ResponseMessages->GetItemResponseMessage->Items->CalendarItem;

} else {

return False;

}

function calendarEventAdd($subject, $start, $end, $location, $body = '', $type = 'HTML', $isallday = False) {

$start and $end must be in ISO date format or rather 'c' in PHP date format

This function returns an array of item details upon success and False upon failure. */

$this->setup();

$event_xml = new stdClass();

$event_xml->SendMeetingInvitations = 'SendToNone';

$event_xml->SavedItemFolderId = new stdClass();

$event_xml->SavedItemFolderId->DistinguishedFolderId = new stdClass();

$event_xml->SavedItemFolderId->DistinguishedFolderId->Id = 'calendar';

$event_xml->Items = new stdClass();

$event_xml->Items->CalendarItem = new stdClass();

$event_xml->Items->CalendarItem->Subject = $subject;

$event_xml->Items->CalendarItem->Start = $start;

$event_xml->Items->CalendarItem->End = $end;

$event_xml->Items->CalendarItem->Body = new stdClass();

$event_xml->Items->CalendarItem->Body->BodyType = $type;

$event_xml->Items->CalendarItem->Body->_ = $body;

$event_xml->Items->CalendarItem->IsAllDayEvent = $isallday;

$event_xml->Items->CalendarItem->LegacyFreeBusyStatus = 'Busy'; // Legacy only (never use)

$event_xml->Items->CalendarItem->Location = $location;

try {

$response = $this->client->CreateItem($event_xml);

} catch (Exception $e) {

echo 'calendarEventAdd() exception: ', $e->getMessage(), "\n";

$this->teardown();

return False;

}

$this->teardown();

if ($response->ResponseMessages->CreateItemResponseMessage->ResponseCode == 'NoError') {

return ['ItemId' => $response->ResponseMessages->CreateItemResponseMessage->Items->CalendarItem->ItemId->Id,

'ChangeKey' => $response->ResponseMessages->CreateItemResponseMessage->Items->CalendarItem->ItemId->ChangeKey];

} else {

$this->lastError = $response->ResponseMessages->CreateItemResponseMessage->ResponseCode;

log_out_error('exchange', "Calendar:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($event_xml, 1));

return False;

}

/**

* Sets up strream handling. Internally used.

* @access private

* @return void

private function setup() {

stream_wrapper_unregister('http');

stream_wrapper_register('http', 'ExchangeNTLMStream') or die('Failed to register protocol: 8c251e34-77e6-41ce-88da-4dbc90bc8a60');

}

/**

* Tears down stream handling. Internally used.

* @access private

* @return void

function teardown() {

stream_wrapper_restore('http');

}

function calendarEventDelete($item_id, $type = 'HardDelete') {

$this->setup();

$DeleteItem = new stdClass();

$DeleteItem->DeleteType = $type;

$DeleteItem->SendMeetingCancellations = 'SendToNone';

$DeleteItem->ItemIds = new stdClass();

$DeleteItem->ItemIds->ItemId = new stdClass();

$DeleteItem->ItemIds->ItemId->Id = $item_id;

try {

$response = $this->client->DeleteItem($DeleteItem);

} catch (Exception $e) {

echo 'calendarEventDelete() exception on ID "' . $item_id . '": ', $e->getMessage(), "\n";

$this->teardown();

return False;

}

$this->teardown();

if ($response->ResponseMessages->DeleteItemResponseMessage->ResponseCode == 'NoError') {

return True;

} else {

$this->lastError = $response->ResponseMessages->DeleteItemResponseMessage->ResponseCode;

log_out_error('exchange', "Calendar:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($DeleteItem, 1));

return False;

}

function calendarList($limit = 10, $offset = 0, $full = False, $point = 'Beginning') {

$this->setup();

$FindItem = new stdClass();

$FindItem->Traversal = 'Shallow';

$FindItem->ItemShape = new stdClass();

if (True == $full) {

$FindItem->ItemShape->BaseShape = 'AllProperties';

} else {

$FindItem->ItemShape->BaseShape = 'IdOnly';

$FindItem->ItemShape->AdditionalProperties = new SoapVar(

'<ns1:AdditionalProperties>

<ns1:FieldURI FieldURI="calendar:CalendarItemType"/>

<ns1:FieldURI FieldURI="calendar:IsMeeting"/>

<ns1:FieldURI FieldURI="calendar:IsRecurring"/>

<ns1:FieldURI FieldURI="calendar:Organizer"/>

<ns1:FieldURI FieldURI="calendar:Start"/>

<ns1:FieldURI FieldURI="calendar:End"/>

<ns1:FieldURI FieldURI="calendar:Duration"/>

<ns1:FieldURI FieldURI="calendar:IsAllDayEvent"/>

<ns1:FieldURI FieldURI="calendar:Location"/>

<ns1:FieldURI FieldURI="calendar:MeetingRequestWasSent"/>

<ns1:FieldURI FieldURI="calendar:MyResponseType"/>

<ns1:FieldURI FieldURI="calendar:AppointmentSequenceNumber"/>

<ns1:FieldURI FieldURI="calendar:AppointmentState"/>

<ns1:FieldURI FieldURI="item:Categories"/>

<ns1:FieldURI FieldURI="item:HasAttachments"/>

<ns1:FieldURI FieldURI="item:ReminderDueBy"/>

<ns1:FieldURI FieldURI="item:ReminderIsSet"/>

<ns1:FieldURI FieldURI="item:ReminderMinutesBeforeStart"/>

<ns1:FieldURI FieldURI="item:Subject"/>

<ns1:FieldURI FieldURI="item:ItemClass"/>

<ns1:FieldURI FieldURI="item:Sensitivity"/>

<ns1:FieldURI FieldURI="item:DateTimeReceived"/>

<ns1:FieldURI FieldURI="item:Importance"/>

<ns1:FieldURI FieldURI="item:IsDraft"/>

<ns1:FieldURI FieldURI="item:DateTimeCreated"/>

</ns1:AdditionalProperties>', XSD_ANYXML);

}

$FindItem->IndexedPageItemView = new stdClass();

$FindItem->IndexedPageItemView->MaxEntriesReturned = $limit;

$FindItem->IndexedPageItemView->Offset = $offset;

$FindItem->IndexedPageItemView->BasePoint = $point;

$FindItem->ParentFolderIds = new stdClass();

$FindItem->ParentFolderIds->DistinguishedFolderId = new stdClass();

$FindItem->ParentFolderIds->DistinguishedFolderId->Id = 'calendar';

try {

$response = $this->client->FindItem($FindItem);

} catch (Exception $e) {

return False;

}

if ($response->ResponseMessages->FindItemResponseMessage->ResponseCode != 'NoError') {

$this->lastError = $response->ResponseMessages->FindItemResponseMessage->ResponseCode;

return false;

}

if (empty($response->ResponseMessages->FindItemResponseMessage->RootFolder->Items->CalendarItem)) {

$items = False;

} else {

$items = $response->ResponseMessages->FindItemResponseMessage->RootFolder->Items->CalendarItem;

if (!is_array($items)) {

$items = $response->ResponseMessages->FindItemResponseMessage->RootFolder->Items;

}

$this->teardown();

return $items;

}

function calendar_event_update($item_id, $changekey, $subject, $start, $end, $location, $body = '', $type = 'HTML', $isallday = False) {

$start and $end must be in ISO date format or rather 'c' in PHP date format

This function returns an array of item details upon success and False upon failure. */

$this->setup();

$update_xml = new stdClass();

$update_xml->SendMeetingInvitationsOrCancellations = 'SendToNone';

$update_xml->MessageDisposition = 'SaveOnly';

$update_xml->ConflictResolution = 'AlwaysOverwrite';

$update_xml->ItemChanges = new stdClass();

$update_xml->ItemChanges->ItemChange = new stdClass();

$update_xml->ItemChanges->ItemChange->ItemId = new stdClass();

$update_xml->ItemChanges->ItemChange->ItemId->Id = $item_id;

$update_xml->ItemChanges->ItemChange->ItemId->ChangeKey = $changekey;

$update_xml->ItemChanges->ItemChange->Updates = new stdClass();

$update_xml->ItemChanges->ItemChange->Updates = new SoapVar(

'<ns1:Updates>

<ns1:SetItemField>

<ns1:FieldURI FieldURI="item:Subject" />

<ns1:CalendarItem>

<ns1:Subject>' . htmlspecialchars($subject) . '</ns1:Subject>

</ns1:CalendarItem>

</ns1:SetItemField>

<ns1:SetItemField>

<ns1:FieldURI FieldURI="calendar:Location" />

<ns1:CalendarItem>

<ns1:Location>' . htmlspecialchars($location) . '</ns1:Location>

</ns1:CalendarItem>

</ns1:SetItemField>

<ns1:SetItemField>

<ns1:FieldURI FieldURI="calendar:Start" />

<ns1:CalendarItem>

<ns1:Start>' . $start . '</ns1:Start>

</ns1:CalendarItem>

</ns1:SetItemField>

<ns1:SetItemField>

<ns1:FieldURI FieldURI="calendar:End" />

<ns1:CalendarItem>

<ns1:End>' . $end . '</ns1:End>

</ns1:CalendarItem>

</ns1:SetItemField>

<ns1:SetItemField>

<ns1:FieldURI FieldURI="item:Body" />

<ns1:CalendarItem>

<ns1:Body BodyType="HTML">' . htmlspecialchars($body) . '</ns1:Body>

</ns1:CalendarItem>

</ns1:SetItemField>

</ns1:Updates>', XSD_ANYXML);

try {

$response = $this->client->UpdateItem($update_xml);

} catch (Exception $e) {

echo 'calendar_event_update() exception on ID "' . $item_id . '": ', $e->getMessage(), "\n";

$this->teardown();

return False;

}

$this->teardown();

if ($response->ResponseMessages->UpdateItemResponseMessage->ResponseCode == 'NoError') {

return ['changekey' => $response->ResponseMessages->UpdateItemResponseMessage->Items->CalendarItem->ItemId->ChangeKey];

} else {

$this->lastError = $response->ResponseMessages->UpdateItemResponseMessage->ResponseCode;

log_out_error('exchange', "Calendar:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($update_xml, 1));

return False;

}

function close() {

curl_close($GLOBALS['_EXCHANGE']['curl']);

$GLOBALS['_EXCHANGE']['impersonate'] = Null;

$GLOBALS['_EXCHANGE']['curl'] = Null;

if ($GLOBALS['_CONFIG']['debug_mode'] == True) {

echo " [D] Close Exchange connection.\n";

}

/**

* Deletes a message in the mailbox of the current user.

* @access public

* @param ItemId $ItemId (such as one returned by get_messages)

* @param string $deletetype . (default: "HardDelete")

* @return bool $success (true: message was deleted, false: message failed to delete)

function delete_message($ItemId, $deletetype = "HardDelete") {

$this->setup();

$DeleteItem->DeleteType = $deletetype;

$DeleteItem->ItemIds->ItemId = $ItemId;

$response = $this->client->DeleteItem($DeleteItem);

$this->teardown();

if ($response->ResponseMessages->DeleteItemResponseMessage->ResponseCode == "NoError") {

return true;

} else {

$this->lastError = $response->ResponseMessages->DeleteItemResponseMessage->ResponseCode;

return false;

}

function getAttachment($item_id, $attachment_id) {

// Doesn't seem to work.

$this->setup();

$req_xml = new stdClass();

$req_xml->ItemShape = new stdClass();

$req_xml->ItemShape->BaseShape = 'AllProperties';

$req_xml->ItemIds = new stdClass();

$req_xml->ItemIds->ItemId = new stdClass();

$req_xml->ItemIds->ItemId->Id = $item_id;

$req_xml->ItemIds->ItemId->AttachmentId = $attachment_id;

try {

$response = $this->client->GetAttachment($req_xml);

} catch (Exception $e) {

echo 'getAttachment() exception on ID "' . $item_id . '": ', $e->getMessage(), "\n";

$this->teardown();

return False;

}

$this->teardown();

if ($response->ResponseMessages->GetItemResponseMessage->ResponseCode == 'NoError') {

return $response->ResponseMessages->GetItemResponseMessage->Items->Attachment;

} else {

return False;

}

function getInbox($limit = 10, $offset = 0) {

$this->setup();

$FindItem = new stdClass();

$FindItem->Traversal = 'Shallow';

$FindItem->ItemShape = new stdClass();

$FindItem->ItemShape->BaseShape = 'IdOnly';

$FindItem->ItemShape->AdditionalProperties = new SoapVar(

'<ns1:AdditionalProperties>

<ns1:FieldURI FieldURI="item:Subject"/>

</ns1:AdditionalProperties>', XSD_ANYXML);

$FindItem->IndexedPageItemView = new stdClass();

$FindItem->IndexedPageItemView->MaxEntriesReturned = $limit;

$FindItem->IndexedPageItemView->Offset = $offset;

$FindItem->IndexedPageItemView->BasePoint = 'Beginning';

$FindItem->ParentFolderIds = new stdClass();

$FindItem->ParentFolderIds->DistinguishedFolderId = new stdClass();

$FindItem->ParentFolderIds->DistinguishedFolderId->Id = 'inbox';

try {

$response = $this->client->FindItem($FindItem);

} catch (Exception $e) {

return False;

}

if ($response->ResponseMessages->FindItemResponseMessage->ResponseCode != 'NoError') {

$this->lastError = $response->ResponseMessages->FindItemResponseMessage->ResponseCode;

return false;

}

$items = $response->ResponseMessages->FindItemResponseMessage->RootFolder->Items->Message;

$this->teardown();

return $items;

}

function itemExists($id) {

$this->setup();

$req_xml = new stdClass();

$req_xml->ItemShape = new stdClass();

$req_xml->ItemShape->BaseShape = 'IdOnly';

$req_xml->ItemIds = new stdClass();

$req_xml->ItemIds->ItemId = new stdClass();

$req_xml->ItemIds->ItemId->Id = $id;

try {

$response = $this->client->GetItem($req_xml);

} catch (Exception $e) {

echo 'itemExists() exception on ID "' . $id . '": ', $e->getMessage(), "\n";

return False;

}

$this->teardown();

if ($response->ResponseMessages->GetItemResponseMessage->ResponseCode == 'NoError') {

return True;

} else {

return False;

}

function sendMessage($to, $subject, $content, $type = 'HTML', $save = False, $read = True) {

This sends a message through Exchange as the user that's logged in via init.

$to - The email address we're sending to, can be internal or external

$subject - The subject

$content - The content, style dependent on $type

$type - Default is 'Text', but 'HTML' should be used for HTML emails

$save - Default F, T/F save to user's sent folder?

$read - Default F, T/F mark as read. @BUG: Doesn't seem to work, possibly missing another field?

$this->setup();

$msg_xml = new stdClass();

if ($save == True) {

$msg_xml->MessageDisposition = 'SendOnly';

$msg_xml->SavedItemFolderId = new stdClass();

$msg_xml->SavedItemFolderId->DistinguishedFolderId = new stdClass();

$msg_xml->SavedItemFolderId->DistinguishedFolderId->Id = 'sentitems';

} else {

$msg_xml->MessageDisposition = 'SendOnly';

}

$msg_xml->Items = new stdClass();

$msg_xml->Items->Message = new stdClass();

$msg_xml->Items->Message->ItemClass = 'IPM.Note';

$msg_xml->Items->Message->Subject = $subject;

$msg_xml->Items->Message->Body = new stdClass();

$msg_xml->Items->Message->Body->BodyType = $type;

$msg_xml->Items->Message->Body->_ = $content;

$msg_xml->Items->Message->ToRecipients = new stdClass();

$msg_xml->Items->Message->ToRecipients->Mailbox = new stdClass();

$msg_xml->Items->Message->ToRecipients->Mailbox->EmailAddress = $to;

if ($read == True) {

$msg_xml->Items->Message->IsRead = 'true';

}

try {

$response = $this->client->CreateItem($msg_xml);

} catch (Exception $e) {

return False;

}

$this->teardown();

if ($response->ResponseMessages->CreateItemResponseMessage->ResponseCode == 'NoError') {

return True;

} else {

$this->lastError = $response->ResponseMessages->CreateItemResponseMessage->ResponseCode;

log_out_error('exchange', "sendMessage:\r\nError: " . print_r($this->lastError, 1) . "\r\n\r\nInitial data:\r\n" . print_r($msg_xml, 1));

return False;

}

class ExchangeNTLMSoapClient extends NTLMSoapClient {

public $password = '';

public $user = '';

}

class ExchangeNTLMStream extends NTLMStream {

//protected $user = '';

//protected $password = '';

}

class ImpersonationHeader {

var $ConnectingSID;

/*ExchangeImpersonationType and the

ConnectingSIDType*/

function __construct($email) {

$this->ConnectingSID = new stdClass();

$this->ConnectingSID->PrincipalName = $email;

$this->ConnectingSID = new stdClass();

$this->ConnectingSID->PrimarySmtpAddress = $email;

}

class NTLMSoapClient extends SoapClient {

function __doRequest($request, $location, $action, $version, $one_way = 0) {

if ($GLOBALS['_EXCHANGE']['full_debug'] == True) {

echo 'Request: ' . $request . "\n ";

echo 'Location: ' . $location . "\n ";

echo 'Action: ' . $action . "\n ";

echo 'Version: ' . $version . "\n ";

echo 'One-way: ' . $one_way . "\n ";

echo 'Request: ' . print_r($request, 1);

}

$headers = [

'Method: POST',

'Connection: Keep-Alive',

'User-Agent: PHP-SOAP-CURL',

'Content-Type: text/xml; charset=utf-8',

'SOAPAction: "' . $action . '"',

];

// @TODO: Somehow we need to pass the $impersonate var

// from the exchange class to here, probably just in init

// or something, but we'll do this hack for now.

if ($GLOBALS['_EXCHANGE']['impersonate'] != Null) {

// @TODO / @HACK: Ideally we'd want to just use the SOAP system

// built into PHP to do this, but it has a flaw which

// will not let you properly impersonate someone.

// Until it's fixed (been 2 years as of now) we do this.

$xml = '<SOAP-ENV:Header>';

$xml .= '<ns1:ExchangeImpersonation>';

$xml .= '<ns1:ConnectingSID>';

$xml .= '<ns1:PrimarySmtpAddress>' . $GLOBALS['_EXCHANGE']['impersonate'] . '</ns1:PrimarySmtpAddress>';

$xml .= '</ns1:ConnectingSID>';

$xml .= '</ns1:ExchangeImpersonation>';

$xml .= '</SOAP-ENV:Header>';

$request = str_replace('><SOAP-ENV:Body', '>' . $xml . '<SOAP-ENV:Body', $request);

}

$this->__last_request_headers = $headers;

$GLOBALS['_EXCHANGE']['curl'] = curl_init($location);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_RETURNTRANSFER, true);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_HTTPHEADER, $headers);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_POST, true);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_POSTFIELDS, $request);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_HTTPAUTH, CURLAUTH_NTLM);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_USERPWD, $this->user . ':' . $this->password);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_SSL_VERIFYPEER, false);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_SSL_VERIFYHOST, false);

curl_setopt($GLOBALS['_EXCHANGE']['curl'], CURLOPT_VERBOSE, $GLOBALS['_EXCHANGE']['curl_debug']);

$response = curl_exec($GLOBALS['_EXCHANGE']['curl']);

if ($GLOBALS['_EXCHANGE']['full_debug'] == True) {

echo 'Response: ' . print_r($response, 1);

}

// @TODO: If there's an error we need to log it, but

// this may need to be done at all the functions

// which parse this, rather than here. Though we

// should still log all CURL errors.

return $response;

}

function __getLastRequestHeaders() {

return implode("n", $this->__last_request_headers) . "n";

}

class NTLMStream {

private $buffer;

private $mode;

private $opened_path;

private $options;

private $path;

private $pos;

public function stream_close() {

echo "[NTLMStream::stream_close] n";

curl_close($this->ch);

}

public function stream_eof() {

echo "[NTLMStream::stream_eof] ";

if ($this->pos > strlen($this->buffer)) {

echo "true n";

return true;

}

echo "false n";

return false;

}

public function stream_flush() {

echo "[NTLMStream::stream_flush] n";

$this->buffer = null;

$this->pos = null;

}

public function stream_open($path, $mode, $options, $opened_path) {

echo "[NTLMStream::stream_open] $path , mode=$mode n";

$this->path = $path;

$this->mode = $mode;

$this->options = $options;

$this->opened_path = $opened_path;

$this->createBuffer($path);

return true;

}

private function createBuffer($path) {

if ($this->buffer) {

return;

}

echo "[NTLMStream::createBuffer] create buffer from : $pathn";

$this->ch = curl_init($path);

curl_setopt($this->ch, CURLOPT_RETURNTRANSFER, true);

curl_setopt($this->ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);

curl_setopt($this->ch, CURLOPT_HTTPAUTH, CURLAUTH_NTLM);

curl_setopt($this->ch, CURLOPT_USERPWD, $this->user . ':' . $this->password);

echo $this->buffer = curl_exec($this->ch);

echo "[NTLMStream::createBuffer] buffer size : " . strlen($this->buffer) . "bytesn";

$this->pos = 0;

}

/* return the position of the current read pointer */

public function stream_read($count) {

echo "[NTLMStream::stream_read] $count n";

if (strlen($this->buffer) == 0) {

return false;

}

$read = substr($this->buffer, $this->pos, $count);

$this->pos += $count;

return $read;

}

public function stream_stat() {

echo "[NTLMStream::stream_stat] n";

$this->createBuffer($this->path);

$stat = [

'size' => strlen($this->buffer),

];

return $stat;

}

public function stream_tell() {

echo "[NTLMStream::stream_tell] n";

return $this->pos;

}

public function stream_write($data) {

echo "[NTLMStream::stream_write] n";

if (strlen($this->buffer) == 0) {

return false;

}

return true;

}

/* Create the buffer by requesting the url through cURL */

public function url_stat($path, $flags) {

echo "[NTLMStream::url_stat] n";

$this->createBuffer($path);

$stat = [

'size' => strlen($this->buffer),

];

return $stat;

}

class UpdateResponse {

}

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