Add support for the Microsoft compliance domain

src/core/wopi.py

@@ -111,6 +111,7 @@ def checkFileInfo(fileid, acctok):
             fmd['UserInfo'] = uinfo
         if srv.config.get('general', 'earlyfeatures', fallback='False').upper() == 'TRUE':
             fmd['AllowEarlyFeatures'] = True
+        fmd['ComplianceDomainPrefix'] = srv.config.get('general', 'compliancedomain', fallback='euc')
 
         # populate app-specific metadata
         # the following is to enable the 'Edit in Word/Excel/PowerPoint' (desktop) action (probably broken)

wopiserver.conf

@@ -134,10 +134,16 @@ codeofficetypes = .odt .ott .ods .ots .odp .otp .odg .otg .doc .dot .xls .xlt .x
 #wopiproxysecretfile = /path/to/your/shared-key-file
 #proxiedappname = Name of your proxied app
 
-# A flag to enable the business flow with Microsoft Office as detailed in:
+# A flag to disable the business flow with Microsoft Office 365 as detailed in:
 # https://learn.microsoft.com/en-us/microsoft-365/cloud-storage-partner-program/online/scenarios/business
+# Note that this must stay enabled if this wopiserver is to serve Microsoft Office 365.
 #businessflow = True
 
+# Configure the regional compliance domain for Microsoft, as detailed in:
+# https://learn.microsoft.com/en-us/microsoft-365/cloud-storage-partner-program/rest/files/checkfileinfo/checkfileinfo-csppp#compliancedomainprefix
+# The default value is the EU area.
+#compliancedomain = euc
+
 # A flag to enable early features with Microsoft Office
 #earlyfeatures = False