带有base64编码字段的javascript eval json

发布于 2024-09-07 14:29:03 字数 705 浏览 7 评论 0原文

我使用 sun.misc.BASE64Encoder 对加密值进行编码，然后将其添加到 JSON 字段，然后发送到客户端。我在客户端使用 Javascript 的 eval() 函数从 JSON 代码创建一个对象。当 eval() 运行时，它给出错误：

未终止的字符串文字

JSON 代码中还有其他字段，但我已将错误范围专门缩小到 base64 编码字段。这是有问题的 javascript 代码行：

var result = eval( '(' + xhr.responseText + ')' );

这是来自 Servlet 的 JSON 对象：

{
  'resource':'resource?Signature=j79r/2Hly+HqhS/6fdd+prfsR+kUNijUvDN0QJ14ZR43gzYScOMDypt/crks/CEphTUXVptJvSol
1ZOOvScCUhNOCb7dZk/3MKnI5tOewSACXK32/OJNd8hYpZtSTn+WhA6+f9BUIUZWA83U8Cud/Tb8V
R1yQWbDGG/mM/NiUSiY=', 

'url':'http://somesite.com/pr'
}

我不确定为什么 eval 会死掉，但似乎“资源”JSON 字段的值包含它不关心的内容。

提前致谢。蒂姆

原文

I am using sun.misc.BASE64Encoder to encode an encrypted value, which is then added to a JSON field and subsequently sent to the client. I use Javascript's eval() function on the client to create an object from the JSON code. When eval() runs, it gives the error:

unterminated string literal

There are other fields in the JSON code, but I've narrowed the error specifically to the base64 encoded field. Here's the offending line of javascript code:

var result = eval( '(' + xhr.responseText + ')' );

Here's the JSON object from the Servlet:

{
  'resource':'resource?Signature=j79r/2Hly+HqhS/6fdd+prfsR+kUNijUvDN0QJ14ZR43gzYScOMDypt/crks/CEphTUXVptJvSol
1ZOOvScCUhNOCb7dZk/3MKnI5tOewSACXK32/OJNd8hYpZtSTn+WhA6+f9BUIUZWA83U8Cud/Tb8V
R1yQWbDGG/mM/NiUSiY=', 

'url':'http://somesite.com/pr'
}

I'm not sure why eval is dying, but it seems the value of the 'resource' JSON field contains something it doesn't care for.

Thanks in advance.
Tim

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