| 1 | // Excluded from plan9 (no fsnotify support). |
| 2 | //go:build !plan9 |
| 3 | |
| 4 | package main |
| 5 | |
| 6 | import ( |
| 7 | "context" |
| 8 | "flag" |
| 9 | "log" |
| 10 | "os" |
| 11 | "os/signal" |
| 12 | "path/filepath" |
| 13 | "slices" |
| 14 | "syscall" |
| 15 | |
| 16 | commands "github.com/ipfs/kubo/commands" |
| 17 | "github.com/ipfs/kubo/config" |
| 18 | core "github.com/ipfs/kubo/core" |
| 19 | coreapi "github.com/ipfs/kubo/core/coreapi" |
| 20 | corehttp "github.com/ipfs/kubo/core/corehttp" |
| 21 | "github.com/ipfs/kubo/misc/fsutil" |
| 22 | "github.com/ipfs/kubo/plugin" |
| 23 | pluginbadgerds "github.com/ipfs/kubo/plugin/plugins/badgerds" |
| 24 | pluginflatfs "github.com/ipfs/kubo/plugin/plugins/flatfs" |
| 25 | pluginlevelds "github.com/ipfs/kubo/plugin/plugins/levelds" |
| 26 | pluginpebbleds "github.com/ipfs/kubo/plugin/plugins/pebbleds" |
| 27 | fsrepo "github.com/ipfs/kubo/repo/fsrepo" |
| 28 | |
| 29 | fsnotify "github.com/fsnotify/fsnotify" |
| 30 | "github.com/ipfs/boxo/files" |
| 31 | ) |
| 32 | |
| 33 | var ( |
| 34 | http = flag.Bool("http", false, "expose IPFS HTTP API") |
| 35 | repoPath *string |
| 36 | watchPath = flag.String("path", ".", "the path to watch") |
| 37 | ) |
| 38 | |
| 39 | func init() { |
| 40 | ipfsPath, err := config.PathRoot() |
| 41 | if err != nil { |
| 42 | ipfsPath = os.Getenv(config.EnvDir) |
| 43 | } |
| 44 | repoPath = flag.String("repo", ipfsPath, "repo path to use") |
| 45 | } |
| 46 | |
| 47 | func main() { |
| 48 | flag.Parse() |
| 49 | |
| 50 | // precedence |
| 51 | // 1. --repo flag |
| 52 | // 2. IPFS_PATH environment variable |
| 53 | // 3. default repo path |
| 54 | var ipfsPath string |
| 55 | if *repoPath != "" { |
| 56 | ipfsPath = *repoPath |
| 57 | } else { |
| 58 | var err error |
| 59 | ipfsPath, err = fsrepo.BestKnownPath() |
| 60 | if err != nil { |
| 61 | log.Fatal(err) |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | if err := run(ipfsPath, *watchPath); err != nil { |
| 66 | log.Fatal(err) |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | func loadDatastorePlugins(plugins []plugin.Plugin) error { |
| 71 | for _, pl := range plugins { |
| 72 | if pl, ok := pl.(plugin.PluginDatastore); ok { |
| 73 | err := fsrepo.AddDatastoreConfigHandler(pl.DatastoreTypeName(), pl.DatastoreConfigParser()) |
| 74 | if err != nil { |
| 75 | return err |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | return nil |
| 80 | } |
| 81 | |
| 82 | func run(ipfsPath, watchPath string) error { |
| 83 | log.Printf("running IPFSWatch on '%s' using repo at '%s'...", watchPath, ipfsPath) |
| 84 | |
| 85 | ipfsPath, err := fsutil.ExpandHome(ipfsPath) |
| 86 | if err != nil { |
| 87 | return err |
| 88 | } |
| 89 | watcher, err := fsnotify.NewWatcher() |
| 90 | if err != nil { |
| 91 | return err |
| 92 | } |
| 93 | defer watcher.Close() |
| 94 | |
| 95 | if err := addTree(watcher, watchPath); err != nil { |
| 96 | return err |
| 97 | } |
| 98 | |
| 99 | if err = loadDatastorePlugins(slices.Concat( |
| 100 | pluginbadgerds.Plugins, |
| 101 | pluginflatfs.Plugins, |
| 102 | pluginlevelds.Plugins, |
| 103 | pluginpebbleds.Plugins, |
| 104 | )); err != nil { |
| 105 | return err |
| 106 | } |
| 107 | |
| 108 | r, err := fsrepo.Open(ipfsPath) |
| 109 | if err != nil { |
| 110 | // TODO handle case: daemon running |
| 111 | // TODO handle case: repo doesn't exist or isn't initialized |
| 112 | return err |
| 113 | } |
| 114 | |
| 115 | node, err := core.NewNode(context.Background(), &core.BuildCfg{ |
| 116 | Online: true, |
| 117 | Repo: r, |
| 118 | }) |
| 119 | if err != nil { |
| 120 | return err |
| 121 | } |
| 122 | defer node.Close() |
| 123 | |
| 124 | api, err := coreapi.NewCoreAPI(node) |
| 125 | if err != nil { |
| 126 | return err |
| 127 | } |
| 128 | |
| 129 | if *http { |
| 130 | addr := "/ip4/127.0.0.1/tcp/5001" |
| 131 | opts := []corehttp.ServeOption{ |
| 132 | corehttp.GatewayOption("/ipfs", "/ipns"), |
| 133 | corehttp.WebUIOption, |
| 134 | corehttp.CommandsOption(cmdCtx(node, ipfsPath)), |
| 135 | } |
| 136 | go func() { |
| 137 | if err := corehttp.ListenAndServe(node, addr, opts...); err != nil { |
| 138 | return |
| 139 | } |
| 140 | }() |
| 141 | } |
| 142 | |
| 143 | interrupts := make(chan os.Signal, 1) |
| 144 | signal.Notify(interrupts, os.Interrupt, syscall.SIGTERM) |
| 145 | |
| 146 | for { |
| 147 | select { |
| 148 | case <-interrupts: |
| 149 | return nil |
| 150 | case e := <-watcher.Events: |
| 151 | log.Printf("received event: %s", e) |
| 152 | isDir, err := IsDirectory(e.Name) |
| 153 | if err != nil { |
| 154 | log.Println(err) |
| 155 | continue |
| 156 | } |
| 157 | switch e.Op { |
| 158 | case fsnotify.Remove: |
| 159 | if isDir { |
| 160 | if err := watcher.Remove(e.Name); err != nil { |
| 161 | return err |
| 162 | } |
| 163 | } |
| 164 | default: |
| 165 | // all events except for Remove result in an IPFS.Add, but only |
| 166 | // directory creation triggers a new watch |
| 167 | switch e.Op { |
| 168 | case fsnotify.Create: |
| 169 | if isDir { |
| 170 | if err := addTree(watcher, e.Name); err != nil { |
| 171 | return err |
| 172 | } |
| 173 | } |
| 174 | } |
| 175 | go func() { |
| 176 | file, err := os.Open(e.Name) |
| 177 | if err != nil { |
| 178 | log.Println(err) |
| 179 | return |
| 180 | } |
| 181 | defer file.Close() |
| 182 | |
| 183 | st, err := file.Stat() |
| 184 | if err != nil { |
| 185 | log.Println(err) |
| 186 | return |
| 187 | } |
| 188 | |
| 189 | f, err := files.NewReaderPathFile(e.Name, file, st) |
| 190 | if err != nil { |
| 191 | log.Println(err) |
| 192 | return |
| 193 | } |
| 194 | |
| 195 | k, err := api.Unixfs().Add(node.Context(), f) |
| 196 | if err != nil { |
| 197 | log.Println(err) |
| 198 | } |
| 199 | log.Printf("added %s... key: %s", e.Name, k) |
| 200 | }() |
| 201 | } |
| 202 | case err := <-watcher.Errors: |
| 203 | log.Println(err) |
| 204 | } |
| 205 | } |
| 206 | } |
| 207 | |
| 208 | func addTree(w *fsnotify.Watcher, root string) error { |
| 209 | err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error { |
| 210 | if err != nil { |
| 211 | log.Println(err) |
| 212 | return nil |
| 213 | } |
| 214 | isDir, err := IsDirectory(path) |
| 215 | if err != nil { |
| 216 | log.Println(err) |
| 217 | return nil |
| 218 | } |
| 219 | switch { |
| 220 | case isDir && IsHidden(path): |
| 221 | log.Println(path) |
| 222 | return filepath.SkipDir |
| 223 | case isDir: |
| 224 | log.Println(path) |
| 225 | if err = w.Add(path); err != nil { |
| 226 | return err |
| 227 | } |
| 228 | default: |
| 229 | return nil |
| 230 | } |
| 231 | return nil |
| 232 | }) |
| 233 | return err |
| 234 | } |
| 235 | |
| 236 | func IsDirectory(path string) (bool, error) { |
| 237 | fileInfo, err := os.Stat(path) |
| 238 | if err != nil { |
| 239 | return false, err |
| 240 | } |
| 241 | return fileInfo.IsDir(), nil |
| 242 | } |
| 243 | |
| 244 | func IsHidden(path string) bool { |
| 245 | path = filepath.Base(path) |
| 246 | if path == "." || path == "" { |
| 247 | return false |
| 248 | } |
| 249 | if rune(path[0]) == rune('.') { |
| 250 | return true |
| 251 | } |
| 252 | return false |
| 253 | } |
| 254 | |
| 255 | func cmdCtx(node *core.IpfsNode, repoPath string) commands.Context { |
| 256 | return commands.Context{ |
| 257 | ConfigRoot: repoPath, |
| 258 | ConstructNode: func() (*core.IpfsNode, error) { |
| 259 | return node, nil |
| 260 | }, |
| 261 | } |
| 262 | } |