[Don't Merge Yet] Fix #3906: missing url escape of square backets#3908
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jbaehr wants to merge 1 commit intofsprojects:masterfrom
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[Don't Merge Yet] Fix #3906: missing url escape of square backets#3908jbaehr wants to merge 1 commit intofsprojects:masterfrom
jbaehr wants to merge 1 commit intofsprojects:masterfrom
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As System.Uri.GetComponents(...*UriFormat.SafeUnescaped*) is based on the outdated RFC 2396 it unescapes angle brackets, which usage is only declared "unwise" in the original URI RFC from 1998. The uptodate one, RFC 3986, forbidds them in path segments. This causes trouble with software based on the newer RFC, such as the OPC API in `System.IO.Packaing`. Instead of hooking a third layer of escape/unescape layer on top of the existing code, I decided to rewrite the `ensureValidName` method, hoping the intend of the code is clearer now. For more details see the comments in fsprojects#3906.
jbaehr
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Currently, it's not clear if this proposed fix here is for better or worse, cf. #3906 (comment). |
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As System.Uri.GetComponents(...UriFormat.SafeUnescaped) is based on
the outdated RFC 2396 it unescapes angle brackets, which usage is only
declared "unwise" in the original URI RFC from 1998. The uptodate one,
RFC 3986, forbidds them in path segments. This causes trouble with
software based on the newer RFC, such as the OPC API in
System.IO.Packaing.Instead of hooking a third layer of escape/unescape layer on top of the
existing code, I decided to rewrite the
ensureValidNamemethod, hopingthe intend of the code is clearer now. For more details see the comments
in #3906.
Note: I was only able to verify the method isolated in LinqPad. I tried hard but failed to compile paket (and thus run the tests) because of a corporate proxy requiring credentials. Sorry for that; let's hope for the CI.