<%@ page import="java.io.BufferedReader, java.io.InputStreamReader, java.io.IOException, java.io.UnsupportedEncodingException, java.net.URL, java.net.URLEncoder, java.util.ArrayList, java.util.List" %> <%! private static final String PAGEAD = "http://pagead2.googlesyndication.com/pagead/ads?"; private void googleAppendUrl(StringBuilder url, String param, String value) throws UnsupportedEncodingException { if (value != null) { String encodedValue = URLEncoder.encode(value, "UTF-8"); url.append("&").append(param).append("=").append(encodedValue); } } private void googleAppendColor(StringBuilder url, String param, String value, long random) { String[] colorArray = value.split(","); url.append("&").append(param).append("=").append( colorArray[(int)(random % colorArray.length)]); } private void googleAppendScreenRes(StringBuilder url, String uaPixels, String xUpDevcapScreenpixels, String xJphoneDisplay) { String screenRes = uaPixels; if (screenRes == null) { screenRes = xUpDevcapScreenpixels; } if (screenRes == null) { screenRes = xJphoneDisplay; } if (screenRes != null) { String[] resArray = screenRes.split("[x,*]"); if (resArray.length == 2) { url.append("&u_w=").append(resArray[0]); url.append("&u_h=").append(resArray[1]); } } } private void googleAppendMuid(StringBuilder url, List muids) { for (String muid : muids) { if (muid != null) { url.append("&muid=").append(muid); } } } private void googleAppendViaAndAccept(StringBuilder url, String via, String accept) throws UnsupportedEncodingException { googleAppendUrl(url, "via", via); googleAppendUrl(url, "accept", accept); } %> <% long googleDt = System.currentTimeMillis(); StringBuilder googleAdUrlStr = new StringBuilder(PAGEAD); googleAdUrlStr.append("ad_type=text"); googleAdUrlStr.append("&channel=7488951822"); googleAdUrlStr.append("&client=ca-mb-pub-1074670688044282"); googleAdUrlStr.append("&dt=").append(googleDt); googleAdUrlStr.append("&format=mobile_single"); googleAppendUrl(googleAdUrlStr, "ip", request.getRemoteAddr()); googleAdUrlStr.append("&markup=xhtml"); googleAdUrlStr.append("&oe=utf8"); googleAdUrlStr.append("&output=xhtml"); googleAppendUrl(googleAdUrlStr, "ref", request.getHeader("Referer")); String googleUrl = request.getRequestURL().toString(); if (request.getQueryString() != null) { googleUrl += "?" + request.getQueryString().toString(); } googleAppendUrl(googleAdUrlStr, "url", googleUrl); String googleUserAgent = request.getHeader("User-Agent"); googleAppendUrl(googleAdUrlStr, "useragent", googleUserAgent); googleAppendScreenRes(googleAdUrlStr, request.getHeader("UA-pixels"), request.getHeader("x-up-devcap-screenpixels"), request.getHeader("x-jphone-display")); List googleMuids = new ArrayList(); googleMuids.add(request.getHeader("X-DCMGUID")); googleMuids.add(request.getHeader("X-UP-SUBNO")); googleMuids.add(request.getHeader("X-JPHONE_UID")); googleMuids.add(request.getHeader("X-EM-UID")); googleAppendMuid(googleAdUrlStr, googleMuids); if (googleUserAgent == null || googleUserAgent.length() == 0) { googleAppendViaAndAccept(googleAdUrlStr, request.getHeader("Via"), request.getHeader("Accept")); } try { URL googleAdUrl = new URL(googleAdUrlStr.toString()); BufferedReader reader = new BufferedReader( new InputStreamReader(googleAdUrl.openStream(), "UTF-8")); for (String line; (line = reader.readLine()) != null;) { out.println(line); } } catch (IOException e) {} %>

Selasa, 21 Juni 2011

Dropbox: Problems in the cloud

Post by: www.ciayoo.com.
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O Dropbox, um dos serviço de armazenamento de arquivos na internet mais usados do mundo apresentou uma falha grave em seu sistema de autenticação neste domingo, sendo que após uma atualização em seus códigos, a empresa que mantém o serviço observou que era possível entrar em qualquer conta do DropBox sem precisar da senha de acesso.

A falha foi reparada após 4 horas de vulnerabilidade, e segundo a mesma empresa, menos de 1% dos usuários do sistema tiveram seus dados expostos, mas mas vale lembrar que neste caso todas as contas foram expostas ao perigo de acesso não autorizado.

Eu ainda uso a nuvem de forma tímida e somente com arquivos menos sensíveis e sigilosos, e ainda prefiro manter 2 HD’s externos para backup e um servidor próprio para arquivos na nuvem. E você, confia 100% na nuvem ou ainda prefere cuidar dos próprios backups em casa?

Fonte Wired, via O Velho.

 

21 Jun, 2011


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Diposting oleh Ryan di 06.19

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