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Interoperability failure with SAP due to URI encoding #9226

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cyberduck opened this issue Jan 21, 2016 · 2 comments
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Interoperability failure with SAP due to URI encoding #9226

cyberduck opened this issue Jan 21, 2016 · 2 comments
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@dkocher
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bug thirdparty Issue caused by third party webdav WebDAV Protocol Implementation

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@cyberduck
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74e1f1f created the issue

SAP offers WEBDAV access to it's servers but the URLs are a bit special. They include brackets "(" and "=" as in the following example:
http://mysapserver/sap(Yz0wMDEmbD1lbg==)/bc/bsp_dev/sap/decode_url

Unfortunately, Cyberduck encodes such URLs as:
http://mysapserver/sap%28Yz0wMDEmbD1lbg%3D%3D%29/bc/bsp_dev/sap/decode_url/

Which results in WEBDAV failing as SAP does not expect/support this.

We have verified it in Fiddler by changing the Cyberduck request and when the brackets are included unencoded everything works fine.

I guess one could debate the RFC* but it would be nice to include an option that Cyberduck does not encode such characters in URLs.
@cyberduck
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@dkocher commented

Parantheses and equal sign are part of the reserved characters as defined in Uniform Resource Identifier (URI): Generic Syntax. There is no ambiguity here. For reference also refer to Percent-encoding.

Please report a bug with the product vendor referencing this ticket.

@cyberduck
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74e1f1f commented

I would like to question your assumption that special characters must always be percent encoded. According to your link and the RFC:

"When a character from the reserved set (a "reserved character") has special meaning (a "reserved purpose") in a certain context, and a URI scheme says that it is necessary to use that character for some other purpose, then the character must be percent-encoded."

Assuming SAP is using the brackets for their intended "reserved purpose" then the client should not be encoding them.

@iterate-ch iterate-ch locked as resolved and limited conversation to collaborators Nov 26, 2021
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