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121 lines
2.6 KiB
Go
121 lines
2.6 KiB
Go
package server
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import (
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"caj-larsson/bog/dataswamp"
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"caj-larsson/bog/dataswamp/namespace"
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"caj-larsson/bog/dataswamp/swampfile"
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fs_swampfile "caj-larsson/bog/infrastructure/fs/swampfile"
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sql_namespace "caj-larsson/bog/infrastructure/sqlite/namespace"
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"fmt"
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"net/http"
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"strconv"
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"time"
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)
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type Router interface {
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HandleFunc(pattern string, handler func(http.ResponseWriter, *http.Request))
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ServeHTTP(http.ResponseWriter, *http.Request)
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}
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type Bog struct {
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router Router
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file_service dataswamp.SwampFileService
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address string
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logger dataswamp.Logger
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}
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func buildFileDataRepository(config FileConfig) swampfile.Repository {
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r, err := fs_swampfile.NewRepository(config.Path)
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if err != nil {
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panic(err)
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}
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return r
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}
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func buildNamespaceRepository(config DatabaseConfig) namespace.Repository {
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if config.Backend != "sqlite" {
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panic("Can only handle sqlite")
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}
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return sql_namespace.NewRepository(config.Connection)
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}
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func (b *Bog) fileHandler(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/" {
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fmt.Fprintf(w, "Hi")
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return
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}
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ref := swampfile.FileReference{r.URL.Path, r.Header["User-Agent"][0]}
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switch r.Method {
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case "GET":
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swamp_file, err := b.file_service.OpenOutFile(ref)
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if err == swampfile.ErrNotExists {
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http.NotFound(w, r)
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return
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}
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if err != nil {
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panic(err)
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}
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b.logger.Info("Serving file '%s' of size %d from '%s'", ref.Path, swamp_file.Size(), ref.UserAgent)
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http.ServeContent(w, r, swamp_file.Path(), swamp_file.Modified(), swamp_file)
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case "POST":
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fallthrough
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case "PUT":
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size_str := r.Header["Content-Length"][0]
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size, err := strconv.ParseInt(size_str, 10, 64)
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if err != nil {
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w.WriteHeader(422)
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return
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}
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b.logger.Info("Recieving file '%s' of size %d from '%s'", ref.Path, size, ref.UserAgent)
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err = b.file_service.SaveFile(ref, r.Body, size)
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if err != nil {
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panic(err)
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}
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}
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return
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}
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func (b *Bog) routes() {
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b.router.HandleFunc("/", b.fileHandler)
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}
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func (b *Bog) cleanNamespaces() {
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for true {
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b.file_service.CleanUpExpiredFiles()
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time.Sleep(time.Minute * 10)
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}
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}
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func New(config *Configuration) *Bog {
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b := new(Bog)
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b.address = config.bindAddress()
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fsSwampRepo := buildFileDataRepository(config.File)
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nsRepo := buildNamespaceRepository(config.Database)
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logger := ServerLogger{Debug}
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b.file_service = dataswamp.NewSwampFileService(
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nsRepo,
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fsSwampRepo,
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config.Quota.ParsedSizeBytes(),
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config.Quota.ParsedDuration(),
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logger,
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)
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b.logger = logger
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b.router = new(http.ServeMux)
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b.routes()
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return b
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}
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func (b *Bog) Run() {
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b.logger.Info("Starting bog on address: %s", b.address)
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go b.cleanNamespaces()
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http.ListenAndServe(b.address, b.router)
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}
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