Thanks - solved my own problem. It was the user-agent being re-written not the host as I suspected.
On Monday, March 2, 2020 at 3:57:47 PM UTC-8, Will Reiher wrote: > > Hello App Engine team or anyone that might know - I'm running into a bit > of a wall. I need to update to a new AWS API that now requires the host > header to have specific content which is part of an HMAC signed request. > > In my case it's "host: webservices.amazon.com" when I'm making requests > to https://webservices.amazon.com/paapi5/. > > I wired everything up but - as you know - urlfetch kills/replaces the host > header. I can't tell what it's replacing it with and I'm not sure if there > is work around. I can't leave it off but perhaps if I knew what it was > putting in the header as a replacement I would be able to match the > signature. As it stands now my requests are not valid. > -- <https://www.friesenpress.com/friesenpress10> A decade of journeys taken and stories told. Join us <https://www.friesenpress.com/friesenpress10> as we celebrate 10 years as North America's leading publishing services provider! Connect with us at: <https://www.friesenpress.com/social> FriesenPress | Suite 300 - 990 Fort St, Victoria, BC, Canada, V8V 3K2 | https://www.friesenpress.com <https://www.friesenpress.com> | https://www.friesenpress.com/blog <https://www.friesenpress.com/blog> You are receiving this email because you are a FriesenPress client or partner. This email and any documents attached to it may contain confidential information. If you are not the intended recipient, you are hereby notified that any disclosure, copying or distribution of the contents of this email is prohibited. If you no longer wish to receive promotional emails from FriesenPress visit https://books.friesenpress.com/agreement/email/ <https://books.friesenpress.com/agreement/email> to change your settings. The privacy of your information is important to us. To learn more, visit our privacy policy <https://www.friesenpress.com/about/privacy-policy/>. -- You received this message because you are subscribed to the Google Groups "Google App Engine" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/google-appengine/a40fa94a-6b01-475c-bbeb-feb6f07283ed%40googlegroups.com.
