Remove Space Permissions for a Group on All Spaces

package examples

import com.atlassian.confluence.internal.security.SpacePermissionContext
import com.atlassian.confluence.internal.security.SpacePermissionManagerInternal
import com.atlassian.confluence.security.SpacePermissionManager
import com.atlassian.confluence.spaces.SpaceType
import com.atlassian.crowd.embedded.api.Group
import com.atlassian.sal.api.component.ComponentLocator
import com.onresolve.scriptrunner.parameters.annotation.GroupPicker

@GroupPicker(label = 'Group', description = 'Select the group to remove space permission from')
Group selectedGroup
assert selectedGroup

def spacePermissionManager = ComponentLocator.getComponent(SpacePermissionManager) as SpacePermissionManagerInternal

def spaceContext = SpacePermissionContext.createDefault()

def groupPermissions = spacePermissionManager.getAllPermissionsForGroup(selectedGroup.name)

groupPermissions.each { permission ->
    if (permission.space.spaceType == SpaceType.GLOBAL) {
        spacePermissionManager.removePermission(permission, spaceContext)
    }
}