gradido/src/cpsp/decodeTransaction.cpsp

<%@ page class="DecodeTransactionPage" %>
<%@ page form="true" %>
<%@	page compressed="true" %>
<%@ page baseClass="SessionHTTPRequestHandler" %>
<%@ page ctorArg="Session*" %>
<%@ header include="SessionHTTPRequestHandler.h" %>
<%!
#include "sodium.h"
#include "../proto/gradido/TransactionBody.pb.h"
#include "../controller/User.h"
#include "../model/TransactionBase.h"
%>
<%%
	const char* pageName = "Decode Transaction";
	model::messages::gradido::TransactionBody transactionBody;
	bool decoded = false;
	bool adminUser = false;
	if(mSession && mSession->getNewUser())  {
		auto user = mSession->getNewUser();
		auto model = user->getModel();
		if(model && model->getRole() == model::table::ROLE_ADMIN) {
			adminUser = true;
		}
	}
	if(!form.empty()) {
		auto base64 = form.get("transaction", "");
		if(base64 != "") {
			unsigned char* binBuffer = (unsigned char*)malloc(base64.size());
			size_t resultingBinSize = 0;
			size_t base64_size = base64.size();
			if (sodium_base642bin(
				binBuffer, base64_size,
				base64.data(), base64_size, 
				nullptr, &resultingBinSize, nullptr, 
				sodium_base64_VARIANT_ORIGINAL)) 
			{
				free(binBuffer);
				addError(new Error("ProcessingTransaction", "error decoding base64"), false);
			} else {
				std::string binString((char*)binBuffer, resultingBinSize);
				free(binBuffer);
				
				if (!transactionBody.ParseFromString(binString)) {
					addError(new Error("ProcessingTransaction", "error creating Transaction from binary Message"), false);			
				} else {
					decoded = true;
				}
			}
		}
	} 
	/*
	char *sodium_bin2hex(char * const hex, const size_t hex_maxlen,
                     const unsigned char * const bin, const size_t bin_len);
	*/
%><%@ include file="header_old.cpsp" %>
<div class="grd_container">
	<h1>Transaktion dekodieren</h1>
	<%= getErrorsHtml() %>
	<form method="POST">
		<fieldset class="grd_container_small">
			<legend>Transaktion dekodieren</legend>
			<textarea style="width:100%;height:100px" name="transaction"><%= !form.empty() ? form.get("transaction", "") : "" %></textarea>
		</fieldset>
		<input class="grd-form-bn grd-form-bn-succeed" type="submit" name="submit" value="Dekodieren">
	</form>
	<% if(decoded) { %>
		<p><b>Verwendungszweck:</b></p>
		<p><%= transactionBody.memo() %></p>
		<% if(transactionBody.has_transfer()) { 
			auto transfer = transactionBody.transfer();
		%>
		<h3>Transfer</h3>
		<b>Sender</b>
		<% for(int i = 0; i < transfer.senderamounts_size(); i++) {
			auto sender = transfer.senderamounts(i); 
			char hex[65]; memset(hex, 0, 65);
			sodium_bin2hex(hex, 65, (const unsigned char*)sender.ed25519_sender_pubkey().data(), sender.ed25519_sender_pubkey().size());
			%>
			<p>pubkey: <%= hex %></p>
			<p>amount: <%=  TransactionBase::amountToString(sender.amount()) %> GDD</p>
		<% } %>
		<b>Receiver</b>
		<% for(int i = 0; i < transfer.receiveramounts_size(); i++) {
			auto receiver = transfer.receiveramounts(i); 
			char hex[65]; memset(hex, 0, 65);
			sodium_bin2hex(hex, 65, (const unsigned char*)receiver.ed25519_receiver_pubkey().data(), receiver.ed25519_receiver_pubkey().size());
			%>
			<p>pubkey: <%= hex %></p>
			<p>amount: <%=  TransactionBase::amountToString(receiver.amount()) %> GDD</p>
		<% } %>
		<% } else if(transactionBody.has_creation()) { 
			auto creation = transactionBody.creation();
			auto receiver = creation.receiveramount();
			char hex[65]; memset(hex, 0, 65);
			sodium_bin2hex(hex, 65, (const unsigned char*)receiver.ed25519_receiver_pubkey().data(), receiver.ed25519_receiver_pubkey().size());
			
			Poco::AutoPtr<controller::User> user = nullptr;
			if(adminUser) {
				user = controller::User::create();
				if(!user->load((const unsigned char*)receiver.ed25519_receiver_pubkey().data())) {
					user.assign(nullptr);
				}
			}
			//pubkey
		%>
		<h3>Creation</h3>
		<% if(!adminUser || user.isNull() || !user->getModel()) { %>
		<p>pubkey: <%= hex %></p>
		<% } else { %>
		<p>user: </p>
		<p><%= user->getModel()->toHTMLString() %></p>
		<% } %>
		<p>amount: <%= TransactionBase::amountToString(receiver.amount()) %> GDD</p>
		<% } %>
	<% } %>
</div>
<%@ include file="footer.cpsp" %>