ServletExternalContextImpl.encodeRedirectURL() doesn't handle existing query
parameters correctly
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Key: MYFACES-3229
URL: https://issues.apache.org/jira/browse/MYFACES-3229
Project: MyFaces Core
Issue Type: Bug
Components: JSR-314
Affects Versions: 2.1.1
Reporter: Christian Kaltepoth
ServletExternalContextImpl.encodeRedirectURL() doesn't work correctly if the
base URL already contains encoded query parameters. In this case the resulting
URL contains the query parameter encoded twice, which completely breaks them.
Take a look at this example:
externalContext.encodeRedirectURL("/test?p1=a+b", null);
Result ----> /test?p1=a%2Bb
Another example are encoded ampersand:
externalContext.encodeRedirectURL("/test?p1=a%26b", null);
Result ----> /test?p1=a%2526b
The root cause of the problem seems to be that
ServletExternalContextImpl.encodeURL() doesn't decode the query parameters
while parsing the base URL.
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