Ophestra
f5abce9df5
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This passes more information allowing for better error handling. This eliminates generic WrapErr from system. Signed-off-by: Ophestra <cat@gensokyo.uk>
72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package system
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import (
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"errors"
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"fmt"
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"os"
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"slices"
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"hakurei.app/system/acl"
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)
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// UpdatePerm appends an ephemeral acl update Op.
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func (sys *I) UpdatePerm(path string, perms ...acl.Perm) *I {
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sys.UpdatePermType(Process, path, perms...)
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return sys
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}
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// UpdatePermType appends an acl update Op.
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func (sys *I) UpdatePermType(et Enablement, path string, perms ...acl.Perm) *I {
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sys.lock.Lock()
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defer sys.lock.Unlock()
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sys.ops = append(sys.ops, &ACL{et, path, perms})
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return sys
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}
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type ACL struct {
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et Enablement
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path string
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perms acl.Perms
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}
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func (a *ACL) Type() Enablement { return a.et }
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func (a *ACL) apply(sys *I) error {
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msg.Verbose("applying ACL", a)
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return newOpError("acl", acl.Update(a.path, sys.uid, a.perms...), false)
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}
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func (a *ACL) revert(sys *I, ec *Criteria) error {
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if ec.hasType(a) {
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msg.Verbose("stripping ACL", a)
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err := acl.Update(a.path, sys.uid)
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if errors.Is(err, os.ErrNotExist) {
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// the ACL is effectively stripped if the file no longer exists
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msg.Verbosef("target of ACL %s no longer exists", a)
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err = nil
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}
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return newOpError("acl", err, true)
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} else {
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msg.Verbose("skipping ACL", a)
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return nil
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}
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}
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func (a *ACL) Is(o Op) bool {
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a0, ok := o.(*ACL)
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return ok && a0 != nil &&
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a.et == a0.et &&
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a.path == a0.path &&
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slices.Equal(a.perms, a0.perms)
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}
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func (a *ACL) Path() string { return a.path }
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func (a *ACL) String() string {
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return fmt.Sprintf("%s type: %s path: %q",
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a.perms, TypeString(a.et), a.path)
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}
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