Mark Snijder created WICKET-6813:
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Summary: Setting child-src does not update frame-src after initial
assignment
Key: WICKET-6813
URL: https://issues.apache.org/jira/browse/WICKET-6813
Project: Wicket
Issue Type: Bug
Components: wicket-core
Affects Versions: 9.0.0, 9.0.0-M5
Reporter: Mark Snijder
When configuring CHILD_SRC Wicket also configures FRAME_SRC
([CSPHeaderConfiguration.doAddDirective|https://github.com/apache/wicket/blob/bef3facb3b240f60a3455f257eaf1b9db81a9e29/wicket-core/src/main/java/org/apache/wicket/csp/CSPHeaderConfiguration.java#L310])
however it only does this when FRAME_SRC is not set.
Since _unsafeInline()_ sets CHILD_SRC to 'self', adding other CHILD_SRC
directive values will not update the FRAME_SRC value anymore. The CSP settings
in the code below causes a _Refused to frame 'https://docs.google.com/' because
it violates the following Content Security Policy directive: "frame-src
'self'"._ error.
{code:java}
getCspSettings().blocking()
.unsafeInline()
.add(CSPDirective.SCRIPT_SRC, "https://apis.google.com/";)
.add(CSPDirective.CHILD_SRC, "https://docs.google.com/";);
{code}
A workaround is to add FRAME_SRC yourself manually to the code above
(_.add(CSPDirective.FRAME_SRC, "https://docs.google.com/";)_) but I would have
expected the code to work without adding this.
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