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(Objective-C) SOAP WS-Security UsernameToken

Demonstrates how to add a UsernameToken with the WSS SOAP Message Security header.

Note: This example requires Chilkat v9.5.0.66 or later.

Chilkat Objective-C Library Downloads

MAC OS X (Cocoa) Libs

iOS Libs

#import <CkoXml.h>
#import <NSString.h>
#import <CkoPrng.h>
#import <CkoBinData.h>
#import <CkoDateTime.h>
#import <CkoCrypt2.h>

// This example requires the Chilkat Crypt API to have been previously unlocked.
// See Unlock Chilkat Crypt for sample code.

// An HTTP SOAP request is an HTTP request where the SOAP XML composes the body.
// This example demonstrates how to add a WS-Security header such as the following:
// 
// <wsse:UsernameToken xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="SecurityToken-6138db82-5a4c-4bf7-915f-af7a10d9ae96">
//   <wsse:Username>user</wsse:Username>
//   <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">CBb7a2itQDgxVkqYnFtggUxtuqk=</wsse:Password>
//   <wsse:Nonce>5ABcqPZWb6ImI2E6tob8MQ==</wsse:Nonce>
//   <wsu:Created>2010-06-08T07:26:50Z</wsu:Created>
// </wsse:UsernameToken>
// 

// First build some simple SOAP XML that has some header and body.
CkoXml *xml = [[CkoXml alloc] init];
xml.Tag = @"env:Envelope";
[xml AddAttribute: @"xmlns:env" value: @"http://www.w3.org/2003/05/soap-envelope"];
[xml UpdateAttrAt: @"env:Header|n:alertcontrol" autoCreate: YES attrName: @"xmlns:n" attrValue: @"http://example.org/alertcontrol"];
[xml UpdateChildContent: @"env:Header|n:alertcontrol|n:priority" value: @"1"];
[xml UpdateChildContent: @"env:Header|n:alertcontrol|n:expires" value: @"2001-06-22T14:00:00-05:00"];
[xml UpdateAttrAt: @"env:Body|m:alert" autoCreate: YES attrName: @"xmlns:m" attrValue: @"http://example.org/alert"];
[xml UpdateChildContent: @"env:Body|m:alert|m:msg" value: @"Pick up Mary at school at 2pm"];
NSLog(@"%@",[xml GetXml]);
NSLog(@"%@",@"----");

// The following SOAP XML is built:

// 	<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">
// 	 <env:Header>
// 	  <n:alertcontrol xmlns:n="http://example.org/alertcontrol">
// 	   <n:priority>1</n:priority>
// 	   <n:expires>2001-06-22T14:00:00-05:00</n:expires>
// 	  </n:alertcontrol>
// 	 </env:Header>
// 	 <env:Body>
// 	  <m:alert xmlns:m="http://example.org/alert">
// 	   <m:msg>Pick up Mary at school at 2pm</m:msg>
// 	  </m:alert>
// 	 </env:Body>
// 	</env:Envelope>
// 

// Now build the WSSE XML housing that we'll insert into the above SOAP XML at the end.

// 	<wsse:Security>
// 	  <wsse:UsernameToken xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="WSU_ID">
// 	    <wsse:Username>USERNAME</wsse:Username>
// 	    <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">PASSWORD_DIGEST</wsse:Password>
// 	    <wsse:Nonce>NONCE</wsse:Nonce>
// 	    <wsu:Created>CREATED</wsu:Created>
// 	  </wsse:UsernameToken>
// 	</wsse:Security>

CkoXml *wsse = [[CkoXml alloc] init];
wsse.Tag = @"wsse:Security";
[wsse UpdateAttrAt: @"wsse:UsernameToken" autoCreate: YES attrName: @"xmlns:wsu" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd"];
[wsse UpdateAttrAt: @"wsse:UsernameToken" autoCreate: YES attrName: @"wsu:Id" attrValue: @"WSU_ID"];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsse:Username" value: @"USERNAME"];
[wsse UpdateAttrAt: @"wsse:UsernameToken|wsse:Password" autoCreate: YES attrName: @"Type" attrValue: @"http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest"];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsse:Password" value: @"PASSWORD_DIGEST"];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsse:Nonce" value: @"NONCE"];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsu:Created" value: @"CREATED"];
NSLog(@"%@",[wsse GetXml]);
NSLog(@"%@",@"----");

// Insert the wsse:Security XML into the existing SOAP header:
CkoXml *xHeader = [xml GetChildWithTag: @"env:Header"];
[xHeader AddChildTree: wsse];

// Now show the SOAP XML with the wsse:Security header added:
NSLog(@"%@",[xml GetXml]);
NSLog(@"%@",@"----");

// Now our XML looks like this:
// 	<env:Envelope xmlns:env="http://www.w3.org/2003/05/soap-envelope">
// 	    <env:Header>
// 	        <n:alertcontrol xmlns:n="http://example.org/alertcontrol">
// 	            <n:priority>1</n:priority>
// 	            <n:expires>2001-06-22T14:00:00-05:00</n:expires>
// 	        </n:alertcontrol>
// 	        <wsse:Security>
// 	            <wsse:UsernameToken xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd" wsu:Id="WSU_ID">
// 	                <wsse:Username>USERNAME</wsse:Username>
// 	                <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">PASSWORD_DIGEST</wsse:Password>
// 	                <wsse:Nonce>NONCE</wsse:Nonce>
// 	                <wsu:Created>CREATED</wsu:Created>
// 	            </wsse:UsernameToken>
// 	        </wsse:Security>
// 	    </env:Header>
// 	    <env:Body>
// 	        <m:alert xmlns:m="http://example.org/alert">
// 	            <m:msg>Pick up Mary at school at 2pm</m:msg>
// 	        </m:alert>
// 	    </env:Body>
// 	</env:Envelope>
// 

// -----------------------------------------------------
// Now let's fill-in-the-blanks with actual information...
// -----------------------------------------------------

NSString *wsu_id = @"Example-1";
[wsse UpdateAttrAt: @"wsse:UsernameToken" autoCreate: YES attrName: @"wsu:Id" attrValue: wsu_id];

NSString *password = @"password";
NSString *username = @"user";
[wsse UpdateChildContent: @"wsse:UsernameToken|wsse:Username" value: username];

// The nonce should be 16 random bytes.
CkoPrng *prng = [[CkoPrng alloc] init];
CkoBinData *bd = [[CkoBinData alloc] init];
// Generate 16 random bytes into bd.
// Note: The GenRandomBd method is added in Chilkat v9.5.0.66
[prng GenRandomBd: [NSNumber numberWithInt: 16] bd: bd];

NSString *nonce = [bd GetEncoded: @"base64"];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsse:Nonce" value: nonce];

// Get the current date/time in a string with this format: 2010-06-08T07:26:50Z
CkoDateTime *dt = [[CkoDateTime alloc] init];
[dt SetFromCurrentSystemTime];
BOOL bLocal = NO;
NSString *created = [dt GetAsTimestamp: bLocal];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsu:Created" value: created];

// The password digest is calculated like this:
// Password_Digest = Base64 ( SHA-1 ( nonce + created + password ) )
[bd AppendString: created charset: @"utf-8"];
[bd AppendString: password charset: @"utf-8"];

CkoCrypt2 *crypt = [[CkoCrypt2 alloc] init];
crypt.HashAlgorithm = @"SHA-1";
crypt.EncodingMode = @"base64";
// Note: The HashBdENC method is added in Chilkat v9.5.0.66
NSString *passwordDigest = [crypt HashBdENC: bd];
[wsse UpdateChildContent: @"wsse:UsernameToken|wsse:Password" value: passwordDigest];

// Examine the final SOAP XML with WS-Security header added.
NSLog(@"%@",[xml GetXml]);
 

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