Coapp service engine interface

Interface for CoApp's Service Engine

Connecting to the engine

• via named pipe, either over an async bidirectional pipe, or two pipes for WSH

// sample connection via jscript scripting language
(no sample yet!)

Uses url-encoding syntax for messages (both send and receive):

name-of-message?someparameter=value&someotherparameter=value2

Policy Location:

All policies will be found in Computer Configuration\Administrative Templates\Control Panel\CoApp (TODO: verify, unsure)

All policy values will be stored in the registry under HKLM\Software\CoApp\PackageManager\Policies

Policies:

Name	Default Users	Description
Connect	Everyone	Allows access to communicate with the CoApp service
EnumeratePackages	Everyone	Allows access to query the system for installed packages
InstallPackage	Administrators	Allows a new package to be installed
UpdatePackage	Everyone	Allows a newer version of an package that is currently installed to be installed
RemovePackage	Administrators	Allows a package to be removed
ChangeActivePackage	Administrators	Allows a user to change which version of a package is the active (default) one
ChangeRequiredState	Administrators	Allows a user to change whether a given package is required (user requested)
ChangeBlockedState	Administrators	Allows a user to change whether a given package is blocked from being upgraded
EditSystemFeeds	Administrators	Allows users to edit remembered feeds for the system
EditSessionFeeds	Administrators	Allows users to edit remembered feeds for the session

Messages accepted by the service Service-Request-Messages

Name
start-session
find-package
install-package
recognize-file
unable-to-acquire
remove-package
set-package
verify-file-signature
add-feed
remove-feed
find-feeds

Messages sent from the service Service-Response-Messages

Name
session-started
no-packages-found
found-package
package-details
found-feed
scanning-packages
installing-package
installed-package
failed-install-package
failed-remove-package
require-remote-file
signature-validation
operation-requires-permission
message-argument-error
file-not-found
unknown-package
package-is-blocked
unable-to-recognize-file