在这个简单的例子中,我试图用meta http-equiv报头设置一个CSP报头。我包括一个base64图像,我试图让Chrome加载图像。
我认为data关键字应该做到这一点, 但不知怎么的,它不管用。
我只是在开发工具中得到以下错误:
拒绝加载图像“data:image/png;base64,R0lGODlhDwAPAOZEAMkJCfAwMMYGBtZMTP75+euIiPFBP+hVVf3v7…nw7yk4Mjr6GLUY+joiBI2QAACABwJDCHgoKOHEoAYVBAgY8GGAxAoNGAmiwMHBCgccKDAKBAA7”,因为它违反了以下内容安全策略指令:“img-src 'self' data”。
示例代码(JSFiddle不适用于此示例,因为我不能在那里设置元标头):
<html>
<head>
<meta http-equiv="Content-Security-Policy" content="
default-src 'none';
style-src 'self' 'unsafe-inline';
img-src 'self' data;
" />
<style>
#helloCSP {
width: 50px;
height: 50px;
background: url(data:image/png;base64,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) no-repeat;
border: 1px solid red;
}
</style>
</head>
<body>
<h1>CSP</h1>
<div id="helloCSP"></div>
</body>
</html>
你也可以在这里打开这个例子: https://dl.dropboxusercontent.com/u/638360/ps/csp.html