186 lines
3.3 KiB
Go
186 lines
3.3 KiB
Go
package carddav
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import (
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"net/http"
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"os"
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"strings"
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"time"
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"github.com/emersion/hydroxide/protonmail"
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"github.com/emersion/go-vcard"
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"github.com/emersion/go-webdav/carddav"
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)
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type contextKey string
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const ClientContextKey = contextKey("client")
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type addressFileInfo struct {
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contact *protonmail.Contact
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}
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func (fi *addressFileInfo) Name() string {
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return fi.contact.ID + ".vcf"
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}
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func (fi *addressFileInfo) Size() int64 {
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return int64(fi.contact.Size)
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}
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func (fi *addressFileInfo) Mode() os.FileMode {
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return os.ModePerm
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}
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func (fi *addressFileInfo) ModTime() time.Time {
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return time.Unix(fi.contact.ModifyTime, 0)
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}
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func (fi *addressFileInfo) IsDir() bool {
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return false
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}
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func (fi *addressFileInfo) Sys() interface{} {
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return nil
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}
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type addressObject struct {
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c *protonmail.Client
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contact *protonmail.Contact
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}
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func (ao *addressObject) ID() string {
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return ao.contact.ID
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}
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func (ao *addressObject) Card() (vcard.Card, error) {
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card := make(vcard.Card)
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for _, c := range ao.contact.Cards {
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if c.Type.Encrypted() {
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// TODO: decrypt
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continue
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}
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if c.Type.Signed() {
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// TODO: check signature
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}
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decoded, err := vcard.NewDecoder(strings.NewReader(c.Data)).Decode()
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if err != nil {
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return nil, err
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}
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for k, fields := range decoded {
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for _, f := range fields {
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card.Add(k, f)
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}
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}
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}
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return card, nil
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}
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func (ao *addressObject) Stat() (os.FileInfo, error) {
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return &addressFileInfo{ao.contact}, nil
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}
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type addressBook struct {
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c *protonmail.Client
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cache map[string]*addressObject
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total int
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}
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func (ab *addressBook) cacheComplete() bool {
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return ab.total >= 0 && len(ab.cache) == ab.total
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}
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func (ab *addressBook) ListAddressObjects() ([]carddav.AddressObject, error) {
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if ab.cacheComplete() {
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aos := make([]carddav.AddressObject, 0, len(ab.cache))
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for _, ao := range ab.cache {
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aos = append(aos, ao)
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}
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return aos, nil
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}
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// Get a list of all contacts
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// TODO: paging support
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total, contacts, err := ab.c.ListContacts(0, 0)
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if err != nil {
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return nil, err
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}
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ab.total = total
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for _, contact := range contacts {
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if _, ok := ab.cache[contact.ID]; !ok {
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ab.cache[contact.ID] = &addressObject{
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c: ab.c,
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contact: contact,
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}
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}
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}
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// Get all contacts cards
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var aos []carddav.AddressObject
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page := 0
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for {
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total, contacts, err := ab.c.ListContactsExport(page, 0)
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if err != nil {
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return nil, err
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}
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ab.total = total
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if aos == nil {
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aos = make([]carddav.AddressObject, 0, total)
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}
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for _, contact := range contacts {
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ao, ok := ab.cache[contact.ID]
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if !ok {
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ao = &addressObject{
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c: ab.c,
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contact: &protonmail.Contact{ID: contact.ID},
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}
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ab.cache[contact.ID] = ao
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}
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ao.contact.Cards = contact.Cards
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aos = append(aos, ao)
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}
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if len(aos) == total || len(contacts) == 0 {
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break
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}
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page++
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}
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return aos, nil
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}
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func (ab *addressBook) GetAddressObject(id string) (carddav.AddressObject, error) {
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if ao, ok := ab.cache[id]; ok {
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return ao, nil
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} else if ab.cacheComplete() {
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return nil, carddav.ErrNotFound
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}
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contact, err := ab.c.GetContact(id)
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if err != nil {
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return nil, err
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}
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ao := &addressObject{
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c: ab.c,
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contact: contact,
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}
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ab.cache[id] = ao
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return ao, nil
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}
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func NewHandler(c *protonmail.Client) http.Handler {
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return carddav.NewHandler(&addressBook{
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c: c,
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cache: make(map[string]*addressObject),
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total: -1,
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})
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}
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