attachment
<div dir="ltr"><div>Hi Mike,</div><div><br></div><div>Thanks. I agree with Uli and Smith that this is a good improvement.</div><div><br></div><div>Cheers,</div><div>- Ira</div><div><br></div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><i><font size="1">Ira McDonald (Musician / Software Architect)</font></i></div><div><i><font size="1">Chair - SAE Trust Anchors and Authentication TF<br></font></i></div><div dir="ltr"><i><font size="1">Co-Chair - TCG Trusted Mobility Solutions WG</font></i></div><div><i><font size="1">Co-Chair - TCG Metadata Access Protocol SG<br></font></i></div><div dir="ltr"><i><font size="1">Chair - Linux Foundation Open Printing WG<br>Secretary - IEEE-ISTO Printer Working Group<br>Co-Chair - IEEE-ISTO PWG Internet Printing Protocol WG<br>IETF Designated Expert - IPP & Printer MIB<br>Blue Roof Music / High North Inc<br><a style="color:rgb(51,51,255)" href="http://sites.google.com/site/blueroofmusic" target="_blank">http://sites.google.com/site/blueroofmusic</a><br><a style="color:rgb(102,0,204)" href="http://sites.google.com/site/highnorthinc" target="_blank">http://sites.google.com/site/highnorthinc</a><br>mailto: <a href="mailto:blueroofmusic@gmail.com" target="_blank">blueroofmusic@gmail.com</a><br>(permanent) PO Box 221 Grand Marais, MI 49839 906-494-2434</font></i></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, May 8, 2024 at 11:13 AM Kennedy, Smith (Wireless & IPP Standards) via ipp <<a href="mailto:ipp@pwg.org">ipp@pwg.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
I concur with Uli - much more clear! And thanks for the legwork, as always.
<div><br>
<div>
<div>Smith<br>
<br>
/**<br>
Smith Kennedy<br>
HP Inc.<br>
*/ </div>
<div><br>
<blockquote type="cite">
<div>On May 8, 2024, at 8:54 AM, Uli Wehner via ipp <<a href="mailto:ipp@pwg.org" target="_blank">ipp@pwg.org</a>> wrote:</div>
<br>
<div><font face="" style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><b><span style="font-size:11pt;line-height:15.6933px;color:red">CAUTION:
External Email</span></b></font><span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"></span>
<div style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt">Mike,<u></u><u></u></span></div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt"><u></u> <u></u></span></div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt">I think this is much clearer.<u></u><u></u></span></div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt"><u></u> <u></u></span></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt"><u></u> <u></u></span></div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt">Regards<u></u><u></u></span></div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt"><u></u> <u></u></span></div>
<div style="margin:0in 0in 0in 0.75pt;font-size:12pt;font-family:Aptos,sans-serif">
<b><span style="font-size:11pt">Uli Wehner<u></u><u></u></span></b></div>
<div style="margin:0in 0in 0in 0.75pt;font-size:12pt;font-family:Aptos,sans-serif">
<span lang="JA" style="font-size:11pt;font-family:"MS Mincho"">ウリ・ヴェーナー</span><span style="font-size:10pt"><u></u><u></u></span></div>
</div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><span style="font-size:11pt"><u></u> <u></u></span></div>
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<div style="border-width:1pt medium medium;border-style:solid none none;border-color:rgb(225,225,225) currentcolor currentcolor;padding:3pt 0in 0in">
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><b><span style="font-size:11pt;font-family:Calibri,sans-serif">From:</span></b><span style="font-size:11pt;font-family:Calibri,sans-serif"><span> </span>ipp
<<a href="mailto:ipp-bounces@pwg.org" style="color:rgb(70,120,134);text-decoration:underline" target="_blank">ipp-bounces@pwg.org</a>><span> </span><b>On Behalf Of<span> </span></b>Michael Sweet via ipp<br>
<b>Sent:</b><span> </span>Wednesday, May 8, 2024 10:19 AM<br>
<b>To:</b><span> </span>Jimmy Wu <<a href="mailto:Jimmy.Wu@microsoft.com" style="color:rgb(70,120,134);text-decoration:underline" target="_blank">Jimmy.Wu@microsoft.com</a>><br>
<b>Cc:</b><span> </span>Michael Sweet <<a href="mailto:msweet@msweet.org" style="color:rgb(70,120,134);text-decoration:underline" target="_blank">msweet@msweet.org</a>>; PWG IPP Workgroup <<a href="mailto:ipp@pwg.org" style="color:rgb(70,120,134);text-decoration:underline" target="_blank">ipp@pwg.org</a>><br>
<b>Subject:</b><span> </span>Re: [IPP] [EXTERNAL] Feedback request on "printer-icons" and "printer-more-info-manufacturer" in PWG IPP-Infra<u></u><u></u></span></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">All,<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">Continuing this thread concerning resource URIs and the Same Origin policy that is used in web browsers for this sort of thing:<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">1. Web Browsers support a HTTP extension called Cross-Origin Resource Sharing (CORS), which is documented here:<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"> <a href="https://fetch.spec.whatwg.org/#http-extensions" style="color:rgb(70,120,134);text-decoration:underline" target="_blank">https://fetch.spec.whatwg.org/#http-extensions</a><u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"> The kicker is that this extension is used to allow PUT and POST requests - GET, HEAD, and OPTIONS requests are *not* limited in any way. So it doesn't look like CORS is a solution
for IPP resources.<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">2. Sharing OAuth bearer tokens across domain names probably won't work in the general case, either, because the resource URI passed in the authorization request will be different...<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">Given these discoveries, I think we just need to reword the conformance requirements to be explicitly clear, something like:<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<blockquote style="margin-left:30pt;margin-right:0in">
<div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">4.2.6 Printer ICC Profiles, Icons, and Other URIs<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">URIs reported by the Proxy to the Infrastructure Printer in an Update-Output-Device-Attributes (section 5.10) request MUST be Public Internet Accessible<span style="color:rgb(255,38,0)">,
Network Accessible without credentials, or hosted by the Infrastructure Printer (with the same credentials) </span>so that both the Infrastructure Printer and Client can access them. The following Printer attributes, if supported by the Proxy, MUST be reported
with Public Internet Accessible<span style="color:rgb(255,38,0)">, Network Accessible, or Infrastructure Printer hosted<span> </span></span>URIs: "printer-icc-profiles" ("profile-uri" member attribute), "printer-icons", "printer-more-info-manufacturer",
and "printer-strings-uri".<u></u><u></u></div>
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</blockquote>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">In short: public Internet, private Intranet, or server-hosted using the same credentials.<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">Thoughts?<u></u><u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
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<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">________________________<u></u><u></u></div>
</div>
<div>
<div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif">Michael Sweet<u></u><u></u></div>
</div>
<div style="margin:0in;font-size:12pt;font-family:Aptos,sans-serif"><u></u> <u></u></div>
</div>
</div>
</div>
<span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">_______________________________________________</span><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">
<span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline">ipp
mailing list</span><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">
<span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"><a href="mailto:ipp@pwg.org" target="_blank">ipp@pwg.org</a></span><br style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none">
<span style="font-family:Helvetica;font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline"><a href="https://www.pwg.org/mailman/listinfo/ipp" target="_blank">https://www.pwg.org/mailman/listinfo/ipp</a></span></div>
</blockquote>
</div>
<br>
</div>
</div>
</div>
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</blockquote></div>