ippsample | IPP sample implementations
kandi X-RAY | ippsample Summary
kandi X-RAY | ippsample Summary
IPP sample implementations.
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QUESTION
I've incorprated the source code from https://github.com/istopwg/ippsample into an iOS app. Just out of curiosity I wanted to see if my iPad can print to an IPP Server service running on itself. The IPP server runs and I can successfully "print" to it from my mac (including when the IPP Server was running in the background). However, when I print from my iPad the IPP server doesn't show in the list of printers. Is there something in the architecture of an iOS device that stops this working?
I was able to print to the IPP Server on the iOS device from another iOS device.
...ANSWER
Answered 2018-Apr-10 at 14:28I could find no answers online to this so asked Michael Sweet himself. His answer - "Local IPP services are explicitly filtered out from the iOS Print UI - we had some bad experiences with third-party applications trying to run in the background leading to the change, almost 7 years ago now..."
QUESTION
I’ve built the ipp sample at https://github.com/istopwg/ippsample on my windows 10 laptop (Home edition) with Visual Studio 2017. I’m not using SSL. I want to produce PDF documents by printing to this from iOS devices and I want to be able, within ippserver, to identify the user who is printing.
This isn’t my area. I’ve little knowledge of ipp, http and c programming so am floundering a bit. I’m just aiming for a proof of concept to convince my employer this an area we should invest time in.
After much trawling of the web I came across guidance that led me to enable an iPAD to find ippserver and treat it as an AirPrint printer. I’ve included air=username,password in the TXT record because I thought this would result in the iPad user being prompted for these credentials when printing. This does have some effect. The iPad displays “Forget username and password” but it does not display a dialog to enter these. It still prints without authentication. I hope someone here can help me with this.
As an aside, the PDFs produced are corrupt. I haven’t spent any time yet trying to solve this but any hints would be appreciated.
...ANSWER
Answered 2018-Mar-09 at 07:41It occurred to me that ippserver in the sample code did not implement authentication so I added Basic authentication in the conventional way with little success until I also managed to get https working, which was difficult only because of my lack of knowledge of certificates and where to put them. Now my iOS device is sending username and password with each request in the standard basic authentication way.
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