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Programming Guide » History » Version 11

chin-yeh, 03/07/2012 02:38 PM

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h1. Programming Guide





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This guide describes how to integrate online mall with the QIWI.





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*Demo Application:* _(refer to the [[wiki#Merchant-Account|Merchant Account]] to get the merchant details)_





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> http://192.168.2.68/qiwi-provider/sample_payment_form.html





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> you're conducting testing in QIWI *production* environment





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h2. Steps-By-Steps





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# First, go through the [[wiki#Overview|Payment Flow]]





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# To redirect the customer to QIWI, prepare the following <code>HTML form</code>:





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** *action* - must be http://w.qiwi.ru/setInetBill_utf.do





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** *method* - must use *POST* method





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** *from* - merchant ID _(refer to the [[wiki#Merchant-Account|Merchant Account]] to get the merchant details)_





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** *txn_id* - unique transaction ID, _e.g. order ID_





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** *to* - customer's MSISDN, _e.g. mobile phone number_





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** *summ* - payment amount, _e.g. 10.22_





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** *com* - description of this payment





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** _example_:





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<pre>





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<code class="HTML">





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<form method="post" action="http://w.qiwi.ru/setInetBill_utf.do"/>





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<table>





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	<tr><td>eCosway Shop ID:</td>





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		<td><input name="from" type="text" value="2042"/></td>





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	</tr>





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	<tr><td>eCosway Order ID:</td>





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		<td><input name="txn_id" type="text" value="test-order-1"/></td>





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	</tr>





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	<tr><td>Customer Mobile No.:</td>





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		<td><input name="to" type="text" value="9161234567"/></td>





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	</tr>





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	<tr><td>Payment Amount (RUB a.k.a Rouble):</td>





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		<td><input name="summ" type="text" value="2.15"/></td>





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	</tr>





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	<tr><td>Payment Description:</td>





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		<td><input name="com" type="text" value="For registration fee"/></td>





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	</tr>





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	<tr>





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		<td><input type="submit" value="Pay Now"/>





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		</td>





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	</tr>





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</table>





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</form>





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</code>





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</pre>





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# Prepare a <code>servlet</code> or <code>JSP</code> to capture the payment status callback.





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## the <code>servlet</code> or <code>JSP</code> must accept this 2 query parameter, *paymentResponse* and *cardGateway*





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<pre>





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<code class="JAVA">





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String paymentResponse = request.getParameter("paymentResponse");





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String cardGateway = request.getParameter("cardGateway"); // always will be 'qiwi'





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</code>





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</pre>





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*** _the value of *cardGateway* will be always *qiwi*_ 





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## decrypt the parameter using *EncryptAES* utils:





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<pre>





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<code class="JAVA">





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String decryptedResponse = new EncryptAES().decryptSKey(request.getParameter("paymentResponse"));





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</code>





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</pre>





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## the decrypted <code>paymentResponse</code> parameter consists of *transaction ID*, and *payment result* and delimited by <code>comma</code>





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<pre>





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test-order-1,true





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</pre>





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*** *transaction ID* - usually this is order ID 





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*** *payment result* - *true* means success; *false* means failed





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## include the *full URL* of this <code>JSP</code> or <code>Servlet</code> into *delegate.url* property <code>[/data/qiwi-provider/application.properties]</code>, for example:





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<pre>





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delegate.url=http://127.0.0.1:8080/ecosway/qiwiPaymentStatusUpdate.jsp





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</pre>





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## *Important Note:* This is your responsibility to persist this payment result into the respective <code>interface</code> table.





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# done.