storage: break filesystem.go into multiple files
This commit is contained in:
Conrad Hoffmann
parent
68de660456
commit
03fce79e57
@ -1,24 +1,16 @@
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package storage
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import (
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"context"
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"crypto/sha1"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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"io"
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"io/fs"
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"io/ioutil"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"regexp"
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"strings"
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"github.com/emersion/go-ical"
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"github.com/emersion/go-vcard"
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"github.com/emersion/go-webdav"
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"github.com/emersion/go-webdav/caldav"
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"github.com/emersion/go-webdav/carddav"
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@ -34,7 +26,8 @@ type filesystemBackend struct {
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}
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var (
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validFilenameRegex = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9_-]+(.[a-zA-Z]+)?$`)
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validFilenameRegex = regexp.MustCompile(`^[A-Za-z0-9][A-Za-z0-9_-]+(.[a-zA-Z]+)?$`)
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defaultResourceName = "default"
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)
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func NewFilesystem(fsPath, caldavPrefix, carddavPrefix string, userPrincipalBackend webdav.UserPrincipalBackend) (caldav.Backend, carddav.Backend, error) {
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@ -54,24 +47,6 @@ func NewFilesystem(fsPath, caldavPrefix, carddavPrefix string, userPrincipalBack
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return backend, backend, nil
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}
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func (b *filesystemBackend) AddressbookHomeSetPath(ctx context.Context) (string, error) {
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upPath, err := b.CurrentUserPrincipal(ctx)
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if err != nil {
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return "", err
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}
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return path.Join(upPath, b.carddavPrefix) + "/", nil
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}
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func (b *filesystemBackend) CalendarHomeSetPath(ctx context.Context) (string, error) {
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upPath, err := b.CurrentUserPrincipal(ctx)
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if err != nil {
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return "", err
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}
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return path.Join(upPath, b.caldavPrefix) + "/", nil
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}
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func ensureLocalDir(path string) error {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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err = os.MkdirAll(path, 0755)
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@ -84,7 +59,7 @@ func ensureLocalDir(path string) error {
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// don't use this directly, use localCalDAVPath or localCardDAVPath instead.
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func (b *filesystemBackend) safeLocalPath(homeSetPath string, urlPath string) (string, error) {
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localPath := filepath.Join(b.path, homeSetPath, "default")
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localPath := filepath.Join(b.path, homeSetPath, defaultResourceName)
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if err := ensureLocalDir(localPath); err != nil {
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return "", err
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}
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@ -97,12 +72,12 @@ func (b *filesystemBackend) safeLocalPath(homeSetPath string, urlPath string) (s
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// TODO this changes once multiple addess books are supported
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dir, file := path.Split(urlPath)
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// only accept resources in default calendar/adress book for now
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if path.Clean(dir) != path.Join(homeSetPath, "default") {
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if path.Clean(dir) != path.Join(homeSetPath, defaultResourceName) {
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if strings.HasPrefix(dir, homeSetPath) {
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err := fmt.Errorf("invalid request path: %s (%s is not %s)", urlPath, dir, path.Join(homeSetPath, "default"))
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err := fmt.Errorf("invalid request path: %s (%s is not %s)", urlPath, dir, path.Join(homeSetPath, defaultResourceName))
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return "", webdav.NewHTTPError(400, err)
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} else {
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err := fmt.Errorf("Access to resource outside of home set: %s", urlPath)
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err := fmt.Errorf("access to resource outside of home set: %s", urlPath)
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return "", webdav.NewHTTPError(403, err)
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}
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}
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@ -117,24 +92,6 @@ func (b *filesystemBackend) safeLocalPath(homeSetPath string, urlPath string) (s
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return filepath.Join(localPath, file), nil
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}
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func (b *filesystemBackend) localCalDAVPath(ctx context.Context, urlPath string) (string, error) {
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homeSetPath, err := b.CalendarHomeSetPath(ctx)
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if err != nil {
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return "", err
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}
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return b.safeLocalPath(homeSetPath, urlPath)
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}
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func (b *filesystemBackend) localCardDAVPath(ctx context.Context, urlPath string) (string, error) {
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homeSetPath, err := b.AddressbookHomeSetPath(ctx)
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if err != nil {
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return "", err
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}
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return b.safeLocalPath(homeSetPath, urlPath)
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}
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func etagForFile(path string) (string, error) {
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f, err := os.Open(path)
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if err != nil {
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@ -150,533 +107,3 @@ func etagForFile(path string) (string, error) {
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return base64.StdEncoding.EncodeToString(csum[:]), nil
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}
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func vcardPropFilter(card vcard.Card, props []string) vcard.Card {
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if card == nil {
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return nil
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}
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if len(props) == 0 {
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return card
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}
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result := make(vcard.Card)
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result["VERSION"] = card["VERSION"]
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for _, prop := range props {
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value, ok := card[prop]
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if ok {
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result[prop] = value
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}
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}
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return result
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}
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func vcardFromFile(path string, propFilter []string) (vcard.Card, error) {
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f, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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dec := vcard.NewDecoder(f)
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card, err := dec.Decode()
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if err != nil {
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return nil, err
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}
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return vcardPropFilter(card, propFilter), nil
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}
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func calendarFromFile(path string, propFilter []string) (*ical.Calendar, error) {
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f, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer f.Close()
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dec := ical.NewDecoder(f)
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cal, err := dec.Decode()
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if err != nil {
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return nil, err
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}
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return cal, nil
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// TODO implement
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//return icalPropFilter(cal, propFilter), nil
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}
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func createDefaultAddressBook(path, localPath string) error {
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// TODO what should the default address book look like?
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defaultAB := carddav.AddressBook{
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Path: path,
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Name: "My contacts",
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Description: "Default address book",
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MaxResourceSize: 1024,
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SupportedAddressData: nil,
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}
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blob, err := json.MarshalIndent(defaultAB, "", " ")
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if err != nil {
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return fmt.Errorf("error creating default address book: %s", err.Error())
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}
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err = os.WriteFile(localPath, blob, 0644)
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if err != nil {
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return fmt.Errorf("error writing default address book: %s", err.Error())
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}
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return nil
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}
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func (b *filesystemBackend) AddressBook(ctx context.Context) (*carddav.AddressBook, error) {
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debug.Printf("filesystem.AddressBook()")
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localPath, err := b.localCardDAVPath(ctx, "")
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if err != nil {
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return nil, err
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}
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localPath = filepath.Join(localPath, "addressbook.json")
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debug.Printf("loading addressbook from %s", localPath)
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data, readErr := ioutil.ReadFile(localPath)
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if os.IsNotExist(readErr) {
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urlPath, err := b.AddressbookHomeSetPath(ctx)
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if err != nil {
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return nil, err
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}
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urlPath = path.Join(urlPath, "default") + "/"
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debug.Printf("creating default addressbook (URL:path): %s:%s", urlPath, localPath)
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err = createDefaultAddressBook(urlPath, localPath)
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if err != nil {
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return nil, err
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}
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data, readErr = ioutil.ReadFile(localPath)
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}
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if readErr != nil {
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return nil, fmt.Errorf("error opening address book: %s", readErr.Error())
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}
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var addressBook carddav.AddressBook
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err = json.Unmarshal(data, &addressBook)
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if err != nil {
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return nil, fmt.Errorf("error reading address book: %s", err.Error())
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}
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return &addressBook, nil
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}
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func (b *filesystemBackend) GetAddressObject(ctx context.Context, objPath string, req *carddav.AddressDataRequest) (*carddav.AddressObject, error) {
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debug.Printf("filesystem.GetAddressObject(%s, %v)", objPath, req)
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localPath, err := b.localCardDAVPath(ctx, objPath)
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if err != nil {
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return nil, err
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}
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info, err := os.Stat(localPath)
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if err != nil {
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if errors.Is(err, fs.ErrNotExist) {
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return nil, webdav.NewHTTPError(404, err)
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}
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return nil, err
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}
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var propFilter []string
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if req != nil && !req.AllProp {
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propFilter = req.Props
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}
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card, err := vcardFromFile(localPath, propFilter)
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if err != nil {
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return nil, err
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}
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etag, err := etagForFile(localPath)
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if err != nil {
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return nil, err
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}
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obj := carddav.AddressObject{
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Path: objPath,
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ModTime: info.ModTime(),
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ContentLength: info.Size(),
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ETag: etag,
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Card: card,
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}
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return &obj, nil
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}
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func (b *filesystemBackend) loadAllContacts(ctx context.Context, propFilter []string) ([]carddav.AddressObject, error) {
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var result []carddav.AddressObject
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localPath, err := b.localCardDAVPath(ctx, "")
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if err != nil {
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return result, err
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}
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homeSetPath, err := b.AddressbookHomeSetPath(ctx)
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if err != nil {
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return result, err
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}
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err = filepath.Walk(localPath, func(filename string, info os.FileInfo, err error) error {
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if !info.Mode().IsRegular() || filepath.Ext(filename) != ".vcf" {
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return nil
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}
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card, err := vcardFromFile(filename, propFilter)
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if err != nil {
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return err
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}
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etag, err := etagForFile(filename)
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if err != nil {
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return err
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}
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obj := carddav.AddressObject{
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Path: path.Join(homeSetPath, "default", filepath.Base(filename)),
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ModTime: info.ModTime(),
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ContentLength: info.Size(),
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ETag: etag,
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Card: card,
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}
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result = append(result, obj)
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return nil
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})
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debug.Printf("filesystem.loadAllContacts() returning %d results from %s", len(result), localPath)
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return result, err
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}
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func (b *filesystemBackend) loadAllCalendars(ctx context.Context, propFilter []string) ([]caldav.CalendarObject, error) {
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var result []caldav.CalendarObject
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localPath, err := b.localCalDAVPath(ctx, "")
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if err != nil {
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return result, err
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}
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homeSetPath, err := b.CalendarHomeSetPath(ctx)
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if err != nil {
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return result, err
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}
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err = filepath.Walk(localPath, func(filename string, info os.FileInfo, err error) error {
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// Skip address book meta data files
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if !info.Mode().IsRegular() || filepath.Ext(filename) != ".ics" {
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return nil
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}
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cal, err := calendarFromFile(filename, propFilter)
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if err != nil {
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fmt.Printf("load calendar error for %s: %v\n", filename, err)
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return err
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}
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etag, err := etagForFile(filename)
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if err != nil {
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return err
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}
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obj := caldav.CalendarObject{
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Path: path.Join(homeSetPath, "default", filepath.Base(filename)),
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ModTime: info.ModTime(),
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ContentLength: info.Size(),
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ETag: etag,
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Data: cal,
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}
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result = append(result, obj)
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return nil
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})
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debug.Printf("filesystem.loadAllCalendars() returning %d results from %s", len(result), localPath)
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return result, err
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}
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func (b *filesystemBackend) ListAddressObjects(ctx context.Context, req *carddav.AddressDataRequest) ([]carddav.AddressObject, error) {
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debug.Printf("filesystem.ListAddressObjects(%v)", req)
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var propFilter []string
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if req != nil && !req.AllProp {
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propFilter = req.Props
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}
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return b.loadAllContacts(ctx, propFilter)
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}
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func (b *filesystemBackend) QueryAddressObjects(ctx context.Context, query *carddav.AddressBookQuery) ([]carddav.AddressObject, error) {
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debug.Printf("filesystem.QueryAddressObjects(%v)", query)
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var propFilter []string
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if query != nil && !query.DataRequest.AllProp {
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propFilter = query.DataRequest.Props
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}
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result, err := b.loadAllContacts(ctx, propFilter)
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if err != nil {
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return result, err
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}
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return carddav.Filter(query, result)
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}
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func (b *filesystemBackend) PutAddressObject(ctx context.Context, objPath string, card vcard.Card, opts *carddav.PutAddressObjectOptions) (loc string, err error) {
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debug.Printf("filesystem.PutAddressObject(%v, %v, %v)", objPath, card, opts)
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// Object always get saved as <UID>.vcf
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dirname, _ := path.Split(objPath)
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objPath = path.Join(dirname, card.Value(vcard.FieldUID)+".vcf")
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localPath, err := b.localCardDAVPath(ctx, objPath)
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if err != nil {
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return "", err
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}
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flags := os.O_RDWR | os.O_CREATE | os.O_TRUNC
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// TODO handle IfNoneMatch == ETag
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if opts.IfNoneMatch.IsWildcard() {
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// Make sure we're not overwriting an existing file
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flags |= os.O_EXCL
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} else if opts.IfMatch.IsWildcard() {
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// Make sure we _are_ overwriting an existing file
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flags &= ^os.O_CREATE
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} else if opts.IfMatch.IsSet() {
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// Make sure we overwrite the _right_ file
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etag, err := etagForFile(localPath)
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if err != nil {
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return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
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}
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want, err := opts.IfMatch.ETag()
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if err != nil {
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return "", webdav.NewHTTPError(http.StatusBadRequest, err)
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}
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if want != etag {
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err = fmt.Errorf("If-Match does not match current ETag (%s/%s)", want, etag)
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return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
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}
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}
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f, err := os.OpenFile(localPath, flags, 0666)
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if os.IsExist(err) {
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return "", carddav.NewPreconditionError(carddav.PreconditionNoUIDConflict)
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} else if err != nil {
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return "", err
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}
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defer f.Close()
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enc := vcard.NewEncoder(f)
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err = enc.Encode(card)
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if err != nil {
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return "", err
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}
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return objPath, nil
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}
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func (b *filesystemBackend) DeleteAddressObject(ctx context.Context, path string) error {
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debug.Printf("filesystem.DeleteAddressObject(%s)", path)
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localPath, err := b.localCardDAVPath(ctx, path)
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if err != nil {
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return err
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}
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err = os.Remove(localPath)
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if err != nil {
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return err
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}
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return nil
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}
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func createDefaultCalendar(path, localPath string) error {
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// TODO what should the default calendar look like?
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defaultC := caldav.Calendar{
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Path: path,
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Name: "My calendar",
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Description: "Default calendar",
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MaxResourceSize: 4096,
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}
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blob, err := json.MarshalIndent(defaultC, "", " ")
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if err != nil {
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return fmt.Errorf("error creating default calendar: %s", err.Error())
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}
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err = os.WriteFile(localPath, blob, 0644)
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if err != nil {
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return fmt.Errorf("error writing default calendar: %s", err.Error())
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}
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return nil
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}
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func (b *filesystemBackend) Calendar(ctx context.Context) (*caldav.Calendar, error) {
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debug.Printf("filesystem.Calendar()")
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localPath, err := b.localCalDAVPath(ctx, "")
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if err != nil {
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return nil, err
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}
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localPath = filepath.Join(localPath, "calendar.json")
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debug.Printf("loading calendar from %s", localPath)
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data, readErr := ioutil.ReadFile(localPath)
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if os.IsNotExist(readErr) {
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urlPath, err := b.CalendarHomeSetPath(ctx)
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if err != nil {
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return nil, err
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}
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urlPath = path.Join(urlPath, "default") + "/"
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debug.Printf("creating default calendar (URL:path): %s:%s", urlPath, localPath)
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err = createDefaultCalendar(urlPath, localPath)
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if err != nil {
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return nil, err
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}
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data, readErr = ioutil.ReadFile(localPath)
|
||||
}
|
||||
if readErr != nil {
|
||||
return nil, fmt.Errorf("error opening calendar: %s", readErr.Error())
|
||||
}
|
||||
var calendar caldav.Calendar
|
||||
err = json.Unmarshal(data, &calendar)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("error reading calendar: %s", err.Error())
|
||||
}
|
||||
|
||||
return &calendar, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) GetCalendarObject(ctx context.Context, objPath string, req *caldav.CalendarCompRequest) (*caldav.CalendarObject, error) {
|
||||
debug.Printf("filesystem.GetCalendarObject(%s, %v)", objPath, req)
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, objPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
info, err := os.Stat(localPath)
|
||||
if err != nil {
|
||||
if errors.Is(err, fs.ErrNotExist) {
|
||||
debug.Printf("not found: %s", localPath)
|
||||
return nil, webdav.NewHTTPError(404, err)
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
|
||||
var propFilter []string
|
||||
if req != nil && !req.AllProps {
|
||||
propFilter = req.Props
|
||||
}
|
||||
|
||||
calendar, err := calendarFromFile(localPath, propFilter)
|
||||
if err != nil {
|
||||
debug.Printf("error reading calendar: %v", err)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
etag, err := etagForFile(localPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
obj := caldav.CalendarObject{
|
||||
Path: objPath,
|
||||
ModTime: info.ModTime(),
|
||||
ContentLength: info.Size(),
|
||||
ETag: etag,
|
||||
Data: calendar,
|
||||
}
|
||||
return &obj, nil
|
||||
return nil, fmt.Errorf("not implemented")
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) ListCalendarObjects(ctx context.Context, req *caldav.CalendarCompRequest) ([]caldav.CalendarObject, error) {
|
||||
debug.Printf("filesystem.ListCalendarObjects(%v)", req)
|
||||
|
||||
var propFilter []string
|
||||
if req != nil && !req.AllProps {
|
||||
propFilter = req.Props
|
||||
}
|
||||
|
||||
return b.loadAllCalendars(ctx, propFilter)
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) QueryCalendarObjects(ctx context.Context, query *caldav.CalendarQuery) ([]caldav.CalendarObject, error) {
|
||||
debug.Printf("filesystem.QueryCalendarObjects(%v)", query)
|
||||
|
||||
var propFilter []string
|
||||
if query != nil && !query.CompRequest.AllProps {
|
||||
propFilter = query.CompRequest.Props
|
||||
}
|
||||
|
||||
result, err := b.loadAllCalendars(ctx, propFilter)
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
return caldav.Filter(query, result)
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) PutCalendarObject(ctx context.Context, objPath string, calendar *ical.Calendar, opts *caldav.PutCalendarObjectOptions) (loc string, err error) {
|
||||
debug.Printf("filesystem.PutCalendarObject(%s, %v, %v)", objPath, calendar, opts)
|
||||
|
||||
_, uid, err := caldav.ValidateCalendarObject(calendar)
|
||||
if err != nil {
|
||||
return "", caldav.NewPreconditionError(caldav.PreconditionValidCalendarObjectResource)
|
||||
}
|
||||
|
||||
// Object always get saved as <UID>.ics
|
||||
dirname, _ := path.Split(objPath)
|
||||
objPath = path.Join(dirname, uid+".ics")
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, objPath)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
flags := os.O_RDWR | os.O_CREATE | os.O_TRUNC
|
||||
// TODO handle IfNoneMatch == ETag
|
||||
if opts.IfNoneMatch.IsWildcard() {
|
||||
// Make sure we're not overwriting an existing file
|
||||
flags |= os.O_EXCL
|
||||
} else if opts.IfMatch.IsWildcard() {
|
||||
// Make sure we _are_ overwriting an existing file
|
||||
flags &= ^os.O_CREATE
|
||||
} else if opts.IfMatch.IsSet() {
|
||||
// Make sure we overwrite the _right_ file
|
||||
etag, err := etagForFile(localPath)
|
||||
if err != nil {
|
||||
return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
|
||||
}
|
||||
want, err := opts.IfMatch.ETag()
|
||||
if err != nil {
|
||||
return "", webdav.NewHTTPError(http.StatusBadRequest, err)
|
||||
}
|
||||
if want != etag {
|
||||
err = fmt.Errorf("If-Match does not match current ETag (%s/%s)", want, etag)
|
||||
return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
|
||||
}
|
||||
}
|
||||
|
||||
f, err := os.OpenFile(localPath, flags, 0666)
|
||||
if os.IsExist(err) {
|
||||
return "", caldav.NewPreconditionError(caldav.PreconditionNoUIDConflict)
|
||||
} else if err != nil {
|
||||
return "", err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
enc := ical.NewEncoder(f)
|
||||
err = enc.Encode(calendar)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return objPath, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) DeleteCalendarObject(ctx context.Context, path string) error {
|
||||
debug.Printf("filesystem.DeleteCalendarObject(%s)", path)
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = os.Remove(localPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
303
storage/filesystem_caldav.go
Normal file
303
storage/filesystem_caldav.go
Normal file
@ -0,0 +1,303 @@
|
||||
package storage
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io/fs"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"os"
|
||||
"path"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/emersion/go-ical"
|
||||
"github.com/emersion/go-webdav"
|
||||
"github.com/emersion/go-webdav/caldav"
|
||||
|
||||
"git.sr.ht/~sircmpwn/tokidoki/debug"
|
||||
)
|
||||
|
||||
func (b *filesystemBackend) CalendarHomeSetPath(ctx context.Context) (string, error) {
|
||||
upPath, err := b.CurrentUserPrincipal(ctx)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return path.Join(upPath, b.caldavPrefix) + "/", nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) localCalDAVPath(ctx context.Context, urlPath string) (string, error) {
|
||||
homeSetPath, err := b.CalendarHomeSetPath(ctx)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return b.safeLocalPath(homeSetPath, urlPath)
|
||||
}
|
||||
|
||||
func calendarFromFile(path string, propFilter []string) (*ical.Calendar, error) {
|
||||
f, err := os.Open(path)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
dec := ical.NewDecoder(f)
|
||||
cal, err := dec.Decode()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return cal, nil
|
||||
// TODO implement
|
||||
//return icalPropFilter(cal, propFilter), nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) loadAllCalendars(ctx context.Context, propFilter []string) ([]caldav.CalendarObject, error) {
|
||||
var result []caldav.CalendarObject
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, "")
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
homeSetPath, err := b.CalendarHomeSetPath(ctx)
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
err = filepath.Walk(localPath, func(filename string, info os.FileInfo, err error) error {
|
||||
if err != nil {
|
||||
return fmt.Errorf("error accessing %s: %s", filename, err)
|
||||
}
|
||||
|
||||
// Skip address book meta data files
|
||||
if !info.Mode().IsRegular() || filepath.Ext(filename) != ".ics" {
|
||||
return nil
|
||||
}
|
||||
|
||||
cal, err := calendarFromFile(filename, propFilter)
|
||||
if err != nil {
|
||||
fmt.Printf("load calendar error for %s: %v\n", filename, err)
|
||||
return err
|
||||
}
|
||||
|
||||
etag, err := etagForFile(filename)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
obj := caldav.CalendarObject{
|
||||
Path: path.Join(homeSetPath, defaultResourceName, filepath.Base(filename)),
|
||||
ModTime: info.ModTime(),
|
||||
ContentLength: info.Size(),
|
||||
ETag: etag,
|
||||
Data: cal,
|
||||
}
|
||||
result = append(result, obj)
|
||||
return nil
|
||||
})
|
||||
|
||||
debug.Printf("filesystem.loadAllCalendars() returning %d results from %s", len(result), localPath)
|
||||
return result, err
|
||||
}
|
||||
|
||||
func createDefaultCalendar(path, localPath string) error {
|
||||
// TODO what should the default calendar look like?
|
||||
defaultC := caldav.Calendar{
|
||||
Path: path,
|
||||
Name: "My calendar",
|
||||
Description: "Default calendar",
|
||||
MaxResourceSize: 4096,
|
||||
}
|
||||
blob, err := json.MarshalIndent(defaultC, "", " ")
|
||||
if err != nil {
|
||||
return fmt.Errorf("error creating default calendar: %s", err.Error())
|
||||
}
|
||||
err = os.WriteFile(localPath, blob, 0644)
|
||||
if err != nil {
|
||||
return fmt.Errorf("error writing default calendar: %s", err.Error())
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) Calendar(ctx context.Context) (*caldav.Calendar, error) {
|
||||
debug.Printf("filesystem.Calendar()")
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, "")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
localPath = filepath.Join(localPath, "calendar.json")
|
||||
|
||||
debug.Printf("loading calendar from %s", localPath)
|
||||
|
||||
data, readErr := ioutil.ReadFile(localPath)
|
||||
if os.IsNotExist(readErr) {
|
||||
urlPath, err := b.CalendarHomeSetPath(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
urlPath = path.Join(urlPath, defaultResourceName) + "/"
|
||||
debug.Printf("creating default calendar (URL:path): %s:%s", urlPath, localPath)
|
||||
err = createDefaultCalendar(urlPath, localPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
data, readErr = ioutil.ReadFile(localPath)
|
||||
}
|
||||
if readErr != nil {
|
||||
return nil, fmt.Errorf("error opening calendar: %s", readErr.Error())
|
||||
}
|
||||
var calendar caldav.Calendar
|
||||
err = json.Unmarshal(data, &calendar)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("error reading calendar: %s", err.Error())
|
||||
}
|
||||
|
||||
return &calendar, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) GetCalendarObject(ctx context.Context, objPath string, req *caldav.CalendarCompRequest) (*caldav.CalendarObject, error) {
|
||||
debug.Printf("filesystem.GetCalendarObject(%s, %v)", objPath, req)
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, objPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
info, err := os.Stat(localPath)
|
||||
if err != nil {
|
||||
if errors.Is(err, fs.ErrNotExist) {
|
||||
debug.Printf("not found: %s", localPath)
|
||||
return nil, webdav.NewHTTPError(404, err)
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
|
||||
var propFilter []string
|
||||
if req != nil && !req.AllProps {
|
||||
propFilter = req.Props
|
||||
}
|
||||
|
||||
calendar, err := calendarFromFile(localPath, propFilter)
|
||||
if err != nil {
|
||||
debug.Printf("error reading calendar: %v", err)
|
||||
return nil, err
|
||||
}
|
||||
|
||||
etag, err := etagForFile(localPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
obj := caldav.CalendarObject{
|
||||
Path: objPath,
|
||||
ModTime: info.ModTime(),
|
||||
ContentLength: info.Size(),
|
||||
ETag: etag,
|
||||
Data: calendar,
|
||||
}
|
||||
return &obj, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) ListCalendarObjects(ctx context.Context, req *caldav.CalendarCompRequest) ([]caldav.CalendarObject, error) {
|
||||
debug.Printf("filesystem.ListCalendarObjects(%v)", req)
|
||||
|
||||
var propFilter []string
|
||||
if req != nil && !req.AllProps {
|
||||
propFilter = req.Props
|
||||
}
|
||||
|
||||
return b.loadAllCalendars(ctx, propFilter)
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) QueryCalendarObjects(ctx context.Context, query *caldav.CalendarQuery) ([]caldav.CalendarObject, error) {
|
||||
debug.Printf("filesystem.QueryCalendarObjects(%v)", query)
|
||||
|
||||
var propFilter []string
|
||||
if query != nil && !query.CompRequest.AllProps {
|
||||
propFilter = query.CompRequest.Props
|
||||
}
|
||||
|
||||
result, err := b.loadAllCalendars(ctx, propFilter)
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
return caldav.Filter(query, result)
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) PutCalendarObject(ctx context.Context, objPath string, calendar *ical.Calendar, opts *caldav.PutCalendarObjectOptions) (loc string, err error) {
|
||||
debug.Printf("filesystem.PutCalendarObject(%s, %v, %v)", objPath, calendar, opts)
|
||||
|
||||
_, uid, err := caldav.ValidateCalendarObject(calendar)
|
||||
if err != nil {
|
||||
return "", caldav.NewPreconditionError(caldav.PreconditionValidCalendarObjectResource)
|
||||
}
|
||||
|
||||
// Object always get saved as <UID>.ics
|
||||
dirname, _ := path.Split(objPath)
|
||||
objPath = path.Join(dirname, uid+".ics")
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, objPath)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
flags := os.O_RDWR | os.O_CREATE | os.O_TRUNC
|
||||
// TODO handle IfNoneMatch == ETag
|
||||
if opts.IfNoneMatch.IsWildcard() {
|
||||
// Make sure we're not overwriting an existing file
|
||||
flags |= os.O_EXCL
|
||||
} else if opts.IfMatch.IsWildcard() {
|
||||
// Make sure we _are_ overwriting an existing file
|
||||
flags &= ^os.O_CREATE
|
||||
} else if opts.IfMatch.IsSet() {
|
||||
// Make sure we overwrite the _right_ file
|
||||
etag, err := etagForFile(localPath)
|
||||
if err != nil {
|
||||
return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
|
||||
}
|
||||
want, err := opts.IfMatch.ETag()
|
||||
if err != nil {
|
||||
return "", webdav.NewHTTPError(http.StatusBadRequest, err)
|
||||
}
|
||||
if want != etag {
|
||||
err = fmt.Errorf("If-Match does not match current ETag (%s/%s)", want, etag)
|
||||
return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
|
||||
}
|
||||
}
|
||||
|
||||
f, err := os.OpenFile(localPath, flags, 0666)
|
||||
if os.IsExist(err) {
|
||||
return "", caldav.NewPreconditionError(caldav.PreconditionNoUIDConflict)
|
||||
} else if err != nil {
|
||||
return "", err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
enc := ical.NewEncoder(f)
|
||||
err = enc.Encode(calendar)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return objPath, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) DeleteCalendarObject(ctx context.Context, path string) error {
|
||||
debug.Printf("filesystem.DeleteCalendarObject(%s)", path)
|
||||
|
||||
localPath, err := b.localCalDAVPath(ctx, path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = os.Remove(localPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
310
storage/filesystem_carddav.go
Normal file
310
storage/filesystem_carddav.go
Normal file
@ -0,0 +1,310 @@
|
||||
package storage
|
||||
|
||||
import (
|
||||
"context"
|
||||
"encoding/json"
|
||||
"errors"
|
||||
"fmt"
|
||||
"io/fs"
|
||||
"io/ioutil"
|
||||
"net/http"
|
||||
"os"
|
||||
"path"
|
||||
"path/filepath"
|
||||
|
||||
"github.com/emersion/go-vcard"
|
||||
"github.com/emersion/go-webdav"
|
||||
"github.com/emersion/go-webdav/carddav"
|
||||
|
||||
"git.sr.ht/~sircmpwn/tokidoki/debug"
|
||||
)
|
||||
|
||||
func (b *filesystemBackend) AddressbookHomeSetPath(ctx context.Context) (string, error) {
|
||||
upPath, err := b.CurrentUserPrincipal(ctx)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return path.Join(upPath, b.carddavPrefix) + "/", nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) localCardDAVPath(ctx context.Context, urlPath string) (string, error) {
|
||||
homeSetPath, err := b.AddressbookHomeSetPath(ctx)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return b.safeLocalPath(homeSetPath, urlPath)
|
||||
}
|
||||
|
||||
func vcardPropFilter(card vcard.Card, props []string) vcard.Card {
|
||||
if card == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
if len(props) == 0 {
|
||||
return card
|
||||
}
|
||||
|
||||
result := make(vcard.Card)
|
||||
result["VERSION"] = card["VERSION"]
|
||||
for _, prop := range props {
|
||||
value, ok := card[prop]
|
||||
if ok {
|
||||
result[prop] = value
|
||||
}
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
|
||||
func vcardFromFile(path string, propFilter []string) (vcard.Card, error) {
|
||||
f, err := os.Open(path)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
dec := vcard.NewDecoder(f)
|
||||
card, err := dec.Decode()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return vcardPropFilter(card, propFilter), nil
|
||||
}
|
||||
|
||||
func createDefaultAddressBook(path, localPath string) error {
|
||||
// TODO what should the default address book look like?
|
||||
defaultAB := carddav.AddressBook{
|
||||
Path: path,
|
||||
Name: "My contacts",
|
||||
Description: "Default address book",
|
||||
MaxResourceSize: 1024,
|
||||
SupportedAddressData: nil,
|
||||
}
|
||||
blob, err := json.MarshalIndent(defaultAB, "", " ")
|
||||
if err != nil {
|
||||
return fmt.Errorf("error creating default address book: %s", err.Error())
|
||||
}
|
||||
err = os.WriteFile(localPath, blob, 0644)
|
||||
if err != nil {
|
||||
return fmt.Errorf("error writing default address book: %s", err.Error())
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) AddressBook(ctx context.Context) (*carddav.AddressBook, error) {
|
||||
debug.Printf("filesystem.AddressBook()")
|
||||
localPath, err := b.localCardDAVPath(ctx, "")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
localPath = filepath.Join(localPath, "addressbook.json")
|
||||
|
||||
debug.Printf("loading addressbook from %s", localPath)
|
||||
|
||||
data, readErr := ioutil.ReadFile(localPath)
|
||||
if os.IsNotExist(readErr) {
|
||||
urlPath, err := b.AddressbookHomeSetPath(ctx)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
urlPath = path.Join(urlPath, defaultResourceName) + "/"
|
||||
debug.Printf("creating default addressbook (URL:path): %s:%s", urlPath, localPath)
|
||||
err = createDefaultAddressBook(urlPath, localPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
data, readErr = ioutil.ReadFile(localPath)
|
||||
}
|
||||
if readErr != nil {
|
||||
return nil, fmt.Errorf("error opening address book: %s", readErr.Error())
|
||||
}
|
||||
var addressBook carddav.AddressBook
|
||||
err = json.Unmarshal(data, &addressBook)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("error reading address book: %s", err.Error())
|
||||
}
|
||||
|
||||
return &addressBook, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) GetAddressObject(ctx context.Context, objPath string, req *carddav.AddressDataRequest) (*carddav.AddressObject, error) {
|
||||
debug.Printf("filesystem.GetAddressObject(%s, %v)", objPath, req)
|
||||
localPath, err := b.localCardDAVPath(ctx, objPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
info, err := os.Stat(localPath)
|
||||
if err != nil {
|
||||
if errors.Is(err, fs.ErrNotExist) {
|
||||
return nil, webdav.NewHTTPError(404, err)
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
|
||||
var propFilter []string
|
||||
if req != nil && !req.AllProp {
|
||||
propFilter = req.Props
|
||||
}
|
||||
|
||||
card, err := vcardFromFile(localPath, propFilter)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
etag, err := etagForFile(localPath)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
obj := carddav.AddressObject{
|
||||
Path: objPath,
|
||||
ModTime: info.ModTime(),
|
||||
ContentLength: info.Size(),
|
||||
ETag: etag,
|
||||
Card: card,
|
||||
}
|
||||
return &obj, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) loadAllContacts(ctx context.Context, propFilter []string) ([]carddav.AddressObject, error) {
|
||||
var result []carddav.AddressObject
|
||||
|
||||
localPath, err := b.localCardDAVPath(ctx, "")
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
homeSetPath, err := b.AddressbookHomeSetPath(ctx)
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
err = filepath.Walk(localPath, func(filename string, info os.FileInfo, err error) error {
|
||||
if err != nil {
|
||||
return fmt.Errorf("error accessing %s: %s", filename, err)
|
||||
}
|
||||
|
||||
if !info.Mode().IsRegular() || filepath.Ext(filename) != ".vcf" {
|
||||
return nil
|
||||
}
|
||||
|
||||
card, err := vcardFromFile(filename, propFilter)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
etag, err := etagForFile(filename)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
obj := carddav.AddressObject{
|
||||
Path: path.Join(homeSetPath, defaultResourceName, filepath.Base(filename)),
|
||||
ModTime: info.ModTime(),
|
||||
ContentLength: info.Size(),
|
||||
ETag: etag,
|
||||
Card: card,
|
||||
}
|
||||
result = append(result, obj)
|
||||
return nil
|
||||
})
|
||||
|
||||
debug.Printf("filesystem.loadAllContacts() returning %d results from %s", len(result), localPath)
|
||||
return result, err
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) ListAddressObjects(ctx context.Context, req *carddav.AddressDataRequest) ([]carddav.AddressObject, error) {
|
||||
debug.Printf("filesystem.ListAddressObjects(%v)", req)
|
||||
var propFilter []string
|
||||
if req != nil && !req.AllProp {
|
||||
propFilter = req.Props
|
||||
}
|
||||
|
||||
return b.loadAllContacts(ctx, propFilter)
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) QueryAddressObjects(ctx context.Context, query *carddav.AddressBookQuery) ([]carddav.AddressObject, error) {
|
||||
debug.Printf("filesystem.QueryAddressObjects(%v)", query)
|
||||
var propFilter []string
|
||||
if query != nil && !query.DataRequest.AllProp {
|
||||
propFilter = query.DataRequest.Props
|
||||
}
|
||||
|
||||
result, err := b.loadAllContacts(ctx, propFilter)
|
||||
if err != nil {
|
||||
return result, err
|
||||
}
|
||||
|
||||
return carddav.Filter(query, result)
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) PutAddressObject(ctx context.Context, objPath string, card vcard.Card, opts *carddav.PutAddressObjectOptions) (loc string, err error) {
|
||||
debug.Printf("filesystem.PutAddressObject(%v, %v, %v)", objPath, card, opts)
|
||||
|
||||
// Object always get saved as <UID>.vcf
|
||||
dirname, _ := path.Split(objPath)
|
||||
objPath = path.Join(dirname, card.Value(vcard.FieldUID)+".vcf")
|
||||
|
||||
localPath, err := b.localCardDAVPath(ctx, objPath)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
flags := os.O_RDWR | os.O_CREATE | os.O_TRUNC
|
||||
// TODO handle IfNoneMatch == ETag
|
||||
if opts.IfNoneMatch.IsWildcard() {
|
||||
// Make sure we're not overwriting an existing file
|
||||
flags |= os.O_EXCL
|
||||
} else if opts.IfMatch.IsWildcard() {
|
||||
// Make sure we _are_ overwriting an existing file
|
||||
flags &= ^os.O_CREATE
|
||||
} else if opts.IfMatch.IsSet() {
|
||||
// Make sure we overwrite the _right_ file
|
||||
etag, err := etagForFile(localPath)
|
||||
if err != nil {
|
||||
return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
|
||||
}
|
||||
want, err := opts.IfMatch.ETag()
|
||||
if err != nil {
|
||||
return "", webdav.NewHTTPError(http.StatusBadRequest, err)
|
||||
}
|
||||
if want != etag {
|
||||
err = fmt.Errorf("If-Match does not match current ETag (%s/%s)", want, etag)
|
||||
return "", webdav.NewHTTPError(http.StatusPreconditionFailed, err)
|
||||
}
|
||||
}
|
||||
|
||||
f, err := os.OpenFile(localPath, flags, 0666)
|
||||
if os.IsExist(err) {
|
||||
return "", carddav.NewPreconditionError(carddav.PreconditionNoUIDConflict)
|
||||
} else if err != nil {
|
||||
return "", err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
enc := vcard.NewEncoder(f)
|
||||
err = enc.Encode(card)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
|
||||
return objPath, nil
|
||||
}
|
||||
|
||||
func (b *filesystemBackend) DeleteAddressObject(ctx context.Context, path string) error {
|
||||
debug.Printf("filesystem.DeleteAddressObject(%s)", path)
|
||||
|
||||
localPath, err := b.localCardDAVPath(ctx, path)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
err = os.Remove(localPath)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user