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KiDocExchange Web Service

Introduction

KiDocExchange is a web service for uploading files into Krediidiinfo server. Web Service description can be found on http://services.krediidiinfo.ee/KiDocExchange.wsdl.

Sequence Diagram

Next squence diagram illustrates how to use KiDocExchange to upload files.

Methods

startUpload

Starts and initializes file upload.

	Name	Type	Description
Input Parameter:	fileName	xs:string	The name of file
Output Parameter:	docID	xs:integer	Unique file identification number in Krediidiinfo server.

uploadChunk

Uploads and appends next chunk of data. Servers can send data in one chunk. Several chunks are needed when upload process is slow and there are a progress feedback needed (desktop application).

	Name	Type	Description
Input Parameters:	docID	xs:integer	File identification number
	chunk	xs:base64Binary	Next chunk of data
Output Parameters:			None

finishUpload

Finishes file upload.

	Name	Type	Description
Input Parameters:	docID	xs:integer	File identification number
	md5	xs:string	MD5 checksum of uploaded file
Output Parameters:	errorCode	xs:integer	If 0 then file upload succeeded. If negative then there was an error. See Error Codes for more information.

getStatusCode

Returns the status code of uploaded file

	Name	Type	Description
Input Parameters:	docID	xs:integer	File identification number
Output Parameters:	status_code	xs:integer	File status code:
			0	File has been processed
			2	Uploading in progress
			3	File is in processing
			4	File was successfully uploaded and is waiting for processing
			-1	Unknown error. Contact Krediidiinfo for more information. You might get usefull information with getStatusMsg method.
			-10003	MD5 check failed
			-xxxxx	File processing failed. Contact Krediidiinfo for more information. You might get usefull information with getStatusMsg method.

getStatusMsg

Returns the status message of uploaded file.

	Name	Type	Description
Input Parameters:	docID	xs:integer	File identification number
Output Parameters:	statusMsg	xs:string	Status message of the file

Error Codes

Code	Description
0	Success
	Request was processed successfully.
-10001	Access denied
	You are trying to access file owned by somebody else.
-10002	File does not exists
	You are using file identification that does not exist
-10003	MD5 failure
	Your sent MD5 does not match MD5 calculated by server

Example in PHP

<?php
/**
 * Example of uploading and downloading files using KiDocExchange interface.
 * @author Rait Kapp <rait@krediidiinfo.ee>
 * @created 27.04.2007
 */
$wsdl_url = 'http://services.krediidiinfo.ee/KiDocExchange.wsdl';
$params = array('location'      => 'https://services.krediidiinfo.ee/soap.php?name=KiDocExchange&debug'
              , 'login'       => 'username' // <-- username. Make sure username is string type (PHP bug?).
              , 'password'    => 'password'   // <-- password
	        );
    	
$client = new SoapClient($wsdl_url, $params);

// Uploading file.
$content = 'I am a little test file!';
$docID = $client->startUpload('test.txt');
$client->uploadChunk($docID, $content);		

$md5 = md5($content);
$result = $client->finishUpload($docID, $md5);
if ($result != 0) {
    die("upload failed.! Error code: {$result}\n");
}

// Downloading file
$start = 0;
$count = 512; // can be a big number if you do not have to display download progress.
$data = '';
while ($chunk = $client->downloadChunk($docID, $start, $count)) {
    $start += $count;
    $data .= $chunk;
}

if ($content != $data) {
    echo "Something is not right!\n";
} else {
    echo "We got back: {$data}\n";
}

?>