java/nekurak.net-web/web/kaptcha.jsp
author František Kučera <franta-hg@frantovo.cz>
Sun Aug 15 22:20:10 2010 +0200 (2010-08-15)
changeset 151 d7b5099bf65e
parent 83 6767606d6342
permissions -rw-r--r--
chat
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<?xml version="1.0" encoding="UTF-8"?>
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<jsp:root xmlns:jsp="http://java.sun.com/JSP/Page"
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		  xmlns:c="http://java.sun.com/jsp/jstl/core"
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		  xmlns:fmt="http://java.sun.com/jsp/jstl/fmt"
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		  xmlns:fn="http://java.sun.com/jsp/jstl/functions"
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		  xmlns:nk="urn:jsptagdir:/WEB-INF/tags/nekurak"
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		  version="2.0">
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	<jsp:directive.page contentType="application/xhtml+xml"/>
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	<!-- <lokalizace> -->
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	<c:if test="${param.jazyk != null}">
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		<fmt:setLocale value="${param.jazyk}" scope="session"/>
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	</c:if>
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	<fmt:setBundle basename="cz.frantovo.nekurak.preklady" scope="application"/>
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	<!-- </lokalizace> -->
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	<nk:stranka titulek="Kaptcha">
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		<h1><c:out value="Kaptcha – ukázka"/></h1>
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		<c:choose>
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			<c:when test="${param.akce == 'odeslat'}">
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				<p>Odeslané údaje:</p>
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				<p>Políčko 1: <c:out value="${param.policko1}"/></p>
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				<p>Políčko 2: <c:out value="${param.policko2}"/></p>
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				<p>Kaptcha: <c:out value="${param.kaptcha}"/></p>
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				<p>Očekávaná hodnota: <c:out value="${sessionScope['KAPTCHA_SESSION_KEY']}"/></p>
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				<c:choose>
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					<c:when test="${sessionScope['KAPTCHA_SESSION_KEY'] == param.kaptcha}">
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						<p class="informacniHlaska">Správně opsaný kód z obrázku.</p>
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					</c:when>
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					<c:otherwise>
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						<p class="chybovaHlaska">Špatně obsaný kód z obrázku.</p>
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					</c:otherwise>
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				</c:choose>
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			</c:when>
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			<c:otherwise>
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				<!-- Zobrazíme uživateli registrační formulář. -->
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				<p>Nějaký formulář, který chceme ochránit proti spamu:</p>
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				<form method="post" action="kaptcha.jsp?akce=odeslat">
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					<fieldset>
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						<label>Políčko 1: <input type="text" name="policko1" maxlength="255"/></label><br/>
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						<label>Políčko 2: <input type="text" name="policko2" maxlength="255"/></label><br/>
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					</fieldset>
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					<fieldset>
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						<!-- Kaptcha -->
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						<img src="kaptcha.jpg" alt="ochrana proti spamu" id="kaptchaIMG" title="klikněte pro vygenerování nového obrázku"/><br/>
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						<script type="text/javascript">
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							$(function(){
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								$('#kaptchaIMG').click(function () { $(this).attr('src', 'kaptcha.jpg?' + Math.floor(Math.random()*100) ); })
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							});
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						</script>
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						<label>Opište: <input type="text" name="kaptcha" maxlength="255"/></label><br/>
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					</fieldset>
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					<fieldset>
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						<button value="submit">Odeslat</button>
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					</fieldset>
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				</form>
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			</c:otherwise>
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		</c:choose>
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	</nk:stranka>
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</jsp:root>