mirror of
https://git.mills.io/saltyim/saltyim.git
synced 2024-06-16 11:58:24 +00:00
133 lines
3.0 KiB
Go
133 lines
3.0 KiB
Go
package internal
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import (
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"bytes"
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"go.salty.im/saltyim"
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)
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const (
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wellknownPath = ".well-known/salty"
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avatarsPath = "avatars"
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avatarResolution = 80 // 80x80 px
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blobsPath = "blobs"
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)
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var (
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ErrAddressExists = errors.New("error: address already exists")
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ErrBlobNotFound = errors.New("error: blob not found")
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)
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func CreateConfig(conf *Config, hash string, key string) error {
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p := filepath.Join(conf.Data, wellknownPath)
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p = saltyim.FixUnixHome(p)
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fn := filepath.Join(p, fmt.Sprintf("%s.json", hash))
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if FileExists(fn) {
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return ErrAddressExists
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}
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if err := os.MkdirAll(p, 0755); err != nil {
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return fmt.Errorf("error creating config paths %s: %w", p, err)
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}
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ulid, err := saltyim.GenerateULID()
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if err != nil {
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return fmt.Errorf("error generating ulid")
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}
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endpointURL := *conf.baseURL
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endpointURL.Path = fmt.Sprintf("/inbox/%s", ulid)
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config := saltyim.Config{
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Endpoint: endpointURL.String(),
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Key: key,
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}
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data, err := json.Marshal(config)
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if err != nil {
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return fmt.Errorf("error serializing config")
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}
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if err := os.WriteFile(fn, data, 0644); err != nil {
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return fmt.Errorf("error writing config to %s: %w", fn, err)
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}
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return nil
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}
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func CreateOrUpdateAvatar(conf *Config, addr saltyim.Addr, contents []byte) error {
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p := filepath.Join(conf.Data, avatarsPath)
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p = saltyim.FixUnixHome(p)
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if err := os.MkdirAll(p, 0755); err != nil {
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return fmt.Errorf("error creating avatars paths %s: %w", p, err)
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}
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fn := filepath.Join(p, fmt.Sprintf("%s.png", addr.Hash()))
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if err := SaveAvatar(fn, bytes.NewBuffer(contents), avatarResolution); err != nil {
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return fmt.Errorf("error writing avatar %s: %w", fn, err)
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}
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return nil
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}
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func CreateOrUpdateBlob(conf *Config, key string, data []byte, signer string) error {
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p := filepath.Join(conf.Data, blobsPath, signer)
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p = saltyim.FixUnixHome(p)
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if err := os.MkdirAll(p, 0755); err != nil {
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return fmt.Errorf("error creating blobs paths %s: %w", p, err)
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}
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fn := filepath.Join(p, key)
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if err := os.WriteFile(fn, data, os.FileMode(0644)); err != nil {
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return fmt.Errorf("error writing blob %s: %w", fn, err)
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}
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return nil
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}
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func GetBlob(conf *Config, key string, signer string) (*saltyim.Blob, error) {
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p := filepath.Join(conf.Data, blobsPath, signer)
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p = saltyim.FixUnixHome(p)
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if err := os.MkdirAll(p, 0755); err != nil {
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return nil, fmt.Errorf("error creating blobs paths %s: %w", p, err)
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}
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fn := filepath.Join(p, key)
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if !FileExists(fn) {
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return nil, ErrBlobNotFound
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}
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return saltyim.OpenBlob(fn)
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}
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func DeleteBlob(conf *Config, key string, signer string) error {
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p := filepath.Join(conf.Data, blobsPath, signer)
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p = saltyim.FixUnixHome(p)
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if err := os.MkdirAll(p, 0755); err != nil {
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return fmt.Errorf("error creating blobs paths %s: %w", p, err)
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}
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fn := filepath.Join(p, key)
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if !FileExists(fn) {
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return ErrBlobNotFound
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}
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// TODO: Delete the .json properties metadata files too
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return os.Remove(fn)
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}
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