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POWhat is correct OAuth percent encoding?
 

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  1. POWhat is correct OAuth percent encoding?
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    <p>I am working on implementing an Oauth Api and am discovering there are a few things I am having trouble validating, would love if anyone could provide clarification. Warning I probably will ramble so I will try to mark my questions in bold.</p> <p>According to the oauth 1.0 spec <a href="http://tools.ietf.org/html/rfc5849">http://tools.ietf.org/html/rfc5849</a>, I am lead to believe that the way oauth params are percent encoded for signatures is different then when on the wire. Section 3.6 <a href="http://tools.ietf.org/html/rfc5849#section-3.6">http://tools.ietf.org/html/rfc5849#section-3.6</a> <em>"It is used only in the construction of the signature base string and the "Authorization" header field."</em></p> <p>RFC3986 <a href="http://tools.ietf.org/html/rfc3986">http://tools.ietf.org/html/rfc3986</a> This appears to be the percent encoding scheme used in normal requests. However I did not see it give any sort of 'this' maps to 'that' so I am assuming if the character is in the reserved list the hexadecimal equivalent should be used.</p> <p><strong>Is the only difference that a ' '(Space) is %20 when encoded for signature?</strong> The Oauth spec makes reference to this, but I can't honestly find where that is defined in the other specs. It would be awesome if someone could point me to where that is mentioned and how I may have misunderstood it.</p> <p><strong>Should other white space characters be %20? Where in the spec does that mention that?</strong></p> <p><strong>Is the conventional UrlEncode fine for form body and query params?</strong></p> <p>Finally I have some example output that I am looking to validate. I tried to show the difference between the Oauth Signature Encoded character and the Url encoded character. Once again the only differences appear to be the handling of the ' ', '*' and '~'</p> <pre><code>Char Oauth Url * %2A * ~ ~ %7E % %25 %25 ! %21 %21 : %3A %3A / %2F %2F = %3D %3D &amp; %26 %26 + %2B %2B %20 + , %2C %2C @ %40 %40 \r\n %0D%0A %0D%0A \n %0A %0A \r %0D %0D " %22 %22 ? %3F %3F ( %28 %28 ) %29 %29 | %7C %7C [ %5B %5B ] %5D %5D </code></pre>
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    1. USMatthew Ward
    1. USMatthew Ward
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