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POPOST request in iOS
 

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  1. POPOST request in iOS
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    <p>In my app I'm trying to do a POST request to a server to add a product to a cart. My code is the follow:</p> <pre><code>#import "CreateCarriage.h" #import "NSData+Base64.h" @implementation CreateCarriage{ NSMutableData *datas; NSString *prodID; } - (void)createCarriageWithProductID:(NSString *)productID { self.qty = @"1"; prodID = productID; [self sendRequestToURL:self.buyUrl withMethod:@"POST"]; } - (id)sendRequestToURL:(NSString *)url withMethod:(NSString *)method { NSURL *finalUrl; if ([method isEqualToString:@"POST"]) { finalUrl = [NSURL URLWithString:url]; } else { NSLog(@"Metodo non previsto"); } NSString *post = [NSString stringWithFormat:@"form_key=%@&amp;product=%@&amp;related_product=&amp;qty=%@", self.formKey, prodID, self.qty]; NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding allowLossyConversion:YES]; NSString *postLength = [NSString stringWithFormat:@"%d",[postData length]]; NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:finalUrl]; [request setHTTPMethod:method]; [request setValue:postLength forHTTPHeaderField:@"Content-Length"]; [request setValue:@"application/x-www-form-urlencoded" forHTTPHeaderField:@"Current-Type"]; [request setHTTPBody:postData]; NSLog(@"%@", request); NSURLConnection *connection = [NSURLConnection connectionWithRequest:request delegate:self]; if (connection) { [connection start]; } return connection; } -(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response { datas = [[NSMutableData alloc]init]; } -(void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data { NSLog(@"%@", [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding]); [datas appendData:data]; } -(void)connectionDidFinishLoading:(NSURLConnection *)connection { NSLog(@"Oggetto aggiunto al carrello"); } -(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error { NSLog(@"%@", error); } - (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge { NSString *username = @"user"; NSString *password = @"password"; NSURLCredential *credential = [NSURLCredential credentialWithUser:username password:password persistence:NSURLCredentialPersistenceForSession]; [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge]; } @end </code></pre> <p>When I run the app and try to add this product to the cart it shows this html:</p> <pre><code>&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"&gt; &lt;head&gt; &lt;meta http-equiv="Content-Type" content="text/html; charset=utf-8" /&gt; &lt;title&gt;Shopping Cart&lt;/title&gt; &lt;meta name="description" content="Default Description" /&gt; &lt;meta name="keywords" content="Magento, Varien, E-commerce" /&gt; &lt;meta name="robots" content="INDEX,FOLLOW" /&gt; &lt;link rel="icon" href="http://54.204.6.246/magento8/skin/frontend/default/default/favicon.ico" type="image/x-icon" /&gt; &lt;link rel="shortcut icon" href="http://54.204.6.246/magento8/skin/frontend/default/default/favicon.ico" type="image/x-icon" /&gt; &lt;!--[if lt IE 7]&gt; &lt;script type="text/javascript"&gt; //&lt;![CDATA[ var BLANK_URL = 'http://54.204.6.246/magento8/js/blank.html'; var BLANK_IMG = 'http://54.204.6.246/magento8/js/spacer.gif'; //]]&gt; &lt;/script&gt; &lt;![endif]--&gt; &lt;link rel="stylesheet" type="text/css" href="http://54.204.6.246/magento8/skin/frontend/default/default/css/styles.css" media="all" /&gt; &lt;link rel="stylesheet" type="text/css" href="http://54.204.6.246/magento8/skin/frontend/base/default/css/widgets.css" media="all" /&gt; &lt;link rel="stylesheet" type="text/css" href="http://54.204.6.246/magento8/skin/frontend/default/default/css/print.css" media="print" /&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/prototype/prototype.js"&gt;&lt;/script&gt; &lt;script type="tex 2013-11-14 10:59:52.735 BitmamaShop[1240:70b] t/javascript" src="http://54.204.6.246/magento8/js/lib/ccard.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/prototype/validation.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/scriptaculous/builder.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/scriptaculous/effects.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/scriptaculous/dragdrop.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/scriptaculous/controls.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/scriptaculous/slider.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/varien/js.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/varien/form.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/varien/menu.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/mage/translate.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/mage/cookies.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/varien/weee.js"&gt;&lt;/script&gt; &lt;!--[if lt IE 8]&gt; &lt;link rel="stylesheet" type="text/css" href="http://54.204.6.246/magento8/skin/frontend/default/default/css/styles-ie.css" media="all" /&gt; &lt;![endif]--&gt; &lt;!--[if lt IE 7]&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/js/lib/ds-sleight.js"&gt;&lt;/script&gt; &lt;script type="text/javascript" src="http://54.204.6.246/magento8/skin/frontend/base/default/js/ie6.js"&gt;&lt;/script&gt; &lt;![endif]--&gt; &lt;script type="text/javascript"&gt; //&lt;![CDATA[ Mage.Cookies.path = '/magento8'; Mage.Cookies.domain = '.54.204.6.246'; //]]&gt; &lt;/script&gt; &lt;script type="text/javascript"&gt; //&lt;![CDATA[ optionalZipCountries = ["HK","IE","MO","PA"]; //]]&gt; &lt;/script&gt; &lt;script type="text/javascript"&gt;//&lt;![CDATA[ var Translator = new Translate([]); //]]&gt;&lt;/script&gt;&lt;/head&gt; &lt;body class=" checkout-cart-index"&gt; &lt;div class="wrapper"&gt; &lt;noscript&gt; &lt;div class="global-site-notice noscript"&gt; &lt;div class="notice-inner"&gt; &lt;p&gt; &lt;strong&gt;JavaScript seems to be disabled in your browser.&lt;/strong&gt;&lt;br /&gt; You must have JavaScript enabled in your browser to utilize the functionality of this website. &lt;/p&gt; &lt;/div&gt; &lt;/div&gt; &lt;/noscript&gt; &lt;div class="page"&gt; &lt;div class="header-container"&gt; &lt;div class="header"&gt; &lt;a href="http://54.204.6.246/magento8/" title="Magento Commerce" class="logo"&gt;&lt;strong&gt;Magento Commerce&lt;/strong&gt;&lt;img src="http://54.204.6.246/magento8/skin/frontend/default/default/images/logo.gif" alt="Magento Commerce" /&gt;&lt;/a&gt; &lt;div class="quick-access"&gt; &lt;form id="search_mini_form" action="http://54.204.6.246/magento8/catalogsearch/result/" method="get"&gt; &lt;div class="form-search"&gt; &lt;label for="search"&gt;Search:&lt;/label&gt; &lt;input id="search" type="text" name="q" value="" class="input-text" maxlength="128" /&gt; &lt;button type="submit" title="Search" class="button"&gt;&lt;span&gt;&lt;span&gt;Search&lt;/span&gt;&lt;/span&gt;&lt;/button&gt; &lt;div id="search_autocomplete" class="search-autocomplete"&gt;&lt;/div&gt; &lt;script type="text/javascript"&gt; //&lt;![CDATA[ var searchForm = new Varien.searchForm('search_mini_form', 'search', 'Search entire store here...'); searchForm.initAutocomplete('http://54.204.6.246/magento8/catalogsearch/ajax/suggest/', 'search_autocomplete'); //]]&gt; &lt;/script&gt; &lt;/div&gt; &lt;/form&gt; &lt;p class="welcome-msg"&gt;Default welcome msg! &lt;/p&gt; &lt;ul class="links"&gt; &lt;li class="first" &gt;&lt;a href="http://54.204.6.246/magento8/customer/account/" title="My Account" &gt;My Account&lt;/a&gt;&lt;/li&gt; &lt;li &gt;&lt;a href="http://54.204.6.246/magento8/wishlist/" title="My Wishlist" &gt;My Wishlist&lt;/a&gt;&lt;/li&gt; &lt;li &gt;&lt;a href="http://54.204.6.246/magento8/checkout/cart/" title="My Cart" class="top-link-cart"&gt;My Cart&lt;/a&gt;&lt;/li&gt; &lt;li &gt;&lt;a href="http://54.204.6.246/magento8/checkout/" title="Checkout" class="top-link-checkout"&gt;Checkout&lt;/a&gt;&lt;/li&gt; &lt;li class=" last" &gt;&lt;a href="http://54.204.6.246/magento8/customer/account/login/" title="Log In" &gt;Log In&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="nav-container"&gt; &lt;ul id="nav"&gt; &lt;li class="level0 nav-1 first last level-top"&gt;&lt;a href="http://54.204.6.246/magento8/special-sales.html" class="level-top" &gt;&lt;span&gt;special_sales&lt;/span&gt;&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; &lt;div class="main-container col1-layout"&gt; &lt;div class="main"&gt; &lt;div class="col-main"&gt; &lt;div class="page-title"&gt; &lt;h1&gt;Shopping Cart is Empty&lt;/h1&gt; &lt;/div&gt; &lt;div class="cart-empty"&gt; &lt;p&gt;You have no items in your shopping cart.&lt;/p&gt; &lt;p&gt;Click &lt;a href="http://54.204.6.246/magento8/api/rest/products/1"&gt;here&lt;/a&gt; to continue shopping.&lt;/p&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;div class="footer-container"&gt; &lt;div class="footer"&gt; &lt;ul&gt; &lt;li&gt;&lt;a href="http://54.204.6.246/magento8/about-magento-demo-store"&gt;About Us&lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="http://54.204.6.246/magento8/customer-service"&gt;Customer Service&lt;/a&gt;&lt;/li&gt; &lt;li class="last privacy"&gt;&lt;a href="http://54.204.6.246/magento8/privacy-policy-cookie-restriction-mode"&gt;Privacy Policy&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt;&lt;ul class="links"&gt; &lt;li class="first" &gt;&lt;a href="http://54.204.6.246/magento8/catalog/seo_sitemap/category/" title="Site Map" &gt;Site Map&lt;/a&gt;&lt;/li&gt; &lt;li &gt;&lt;a href="http://54.204.6.246/magento8/catalogsearch/term/popular/" title="Search Terms" &gt;Search Terms&lt;/a&gt;&lt;/li&gt; &lt;li &gt;&lt;a href="http://54.204.6.246/magento8/catalogsearch/advanced/" title="Advanced Search" &gt;Advanced Search&lt;/a&gt;&lt;/li&gt; &lt;li &gt;&lt;a href="http://54.204.6.246/magento8/sales/guest/form/" title="Orders and Returns" &gt;Orders and Returns&lt;/a&gt;&lt;/li&gt; &lt;li class=" last" &gt;&lt;a href="http://54.204.6.246/magento8/contacts/" title="Contact Us" &gt;Contact Us&lt;/a&gt;&lt;/li&gt; &lt;/ul&gt; &lt;p class="bugs"&gt;Help Us to Keep Magento Healthy - &lt;a href="http://www.magentocommerce.com/bug-tracking" onclick="this.target='_blank'"&gt;&lt;strong&gt;Report All Bugs&lt;/strong&gt;&lt;/a&gt; (ver. 1.8.0.0)&lt;/p&gt; &lt;address&gt;&amp;copy; 2013 Magento Demo Store. All Rights Reserved.&lt;/address&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>In which you can see that I didn't added anything to my cart... What's wrong with this code?</p> <p><strong>UPDATE:</strong></p> <p>I tried to use Chrome to see the POST/GET request that the browser did and I will post here the response:</p> <pre><code>Request URL:http://54.204.6.246/magento8/checkout/cart/add/uenc/aHR0cDovLzU0LjIwNC42LjI0Ni9tYWdlbnRvOC9zcGVjaWFsLXNhbGVzL2VhdS1kZS10b2lsZXQtMi5odG1sP19fX1NJRD1V/product/2/form_key/7CUKq8086ReKwIjs/ Request Method:POST Status Code:302 Moved Temporarily Request Headersview source Accept:text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8 Accept-Encoding:gzip,deflate,sdch Accept-Language:it-IT,it;q=0.8,en-US;q=0.6,en;q=0.4 Authorization:Basic cmVwbHk6cmVwbHk= Cache-Control:max-age=0 Content-Length:58 Content-Type:application/x-www-form-urlencoded Cookie:PHPSESSID=hsbbokn9h4v0dnaa3oiis38jd5; frontend=8u4mii1suojhhmj27ndiqm4pf3 Host:54.204.6.246 Origin:http://54.204.6.246 Proxy-Connection:keep-alive Referer:http://54.204.6.246/magento8/special-sales/eau-de-toilet-2.html User-Agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.48 Safari/537.36 Form Dataview parsed form_key=7CUKq8086ReKwIjs&amp;product=2&amp;related_product=&amp;qty=1 Response Headersview source Cache-Control:no-store, no-cache, must-revalidate, post-check=0, pre-check=0 Connection:keep-alive Content-Length:0 Content-Type:text/html; charset=UTF-8 Date:Thu, 14 Nov 2013 09:35:13 GMT Expires:Thu, 19 Nov 1981 08:52:00 GMT Location:http://54.204.6.246/magento8/checkout/cart/ Pragma:no-cache Server:Apache/2.2.15 (Red Hat) Set-Cookie:frontend=8u4mii1suojhhmj27ndiqm4pf3; expires=Thu, 14-Nov-2013 10:35:14 GMT; Max-Age=3600; path=/magento8; domain=54.204.6.246; httponly Via:1.1 ced01squidp02.replynet.prv (squid/3.3.9) X-Cache:MISS from ced01squidp02.replynet.prv X-Cache-Lookup:MISS from ced01squidp02.replynet.prv:8080 X-Powered-By:PHP/5.5.5 </code></pre> <p>I guess the section that I should use it's <code>Form Data</code> and it shows me this request: <code>form_key=7CUKq8086ReKwIjs&amp;product=2&amp;related_product=&amp;qty=1</code>, if you take a look about my iOS code you can see that I tried to do the same stuff.</p>
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    1. COi couldnt find any error in your code. it may be a server side error
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    2. COis this a REST api that you are using? because I don't think they return such responses even during erroneous situations.
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    3. COYes it's they are the REST API of Magento e-commerce
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