feat(stream): serve /stream from a debrid HTTPS link (hueco #2/2a)
The daemon can now stream a session straight from a server-resolved debrid direct URL instead of disk/torrent, delivering the "play instantáneo cache-fast" promise for cache-confirmed torrents the user never downloaded. - debridFileProvider: an io.ReadSeekCloser over HTTP Range — network-free Seek, lazy GET on Read, reopen-on-seek, a HEAD up front for the size, and a URL-derived name so the served Content-Type is video/mp4 (not octet-stream) when the web's name lacks an extension. - OnStreamSession branches on StreamSession.DirectURL before the filePath checks (no local path, no ffmpeg), builds the provider in a goroutine (HEAD off the sync loop) and marks the session ready. - Bump 0.10.0 -> 0.11.0 as the debrid-stream floor the web gates on. Validated e2e against a real AllDebrid account: a cached mp4 plays 1080p in Chrome through the agent, including the high-offset seek for a non-faststart file's moov atom. 2b (HLS-from-URL for mkv/HEVC) + 2c (cache-fast preference + mid-stream fallback) remain.
This commit is contained in:
Deivid Soto
parent
292d5923cf
commit
b8d2b90370
6 changed files with 573 additions and 3 deletions
258
internal/engine/stream_source_debrid_test.go
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258
internal/engine/stream_source_debrid_test.go
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package engine
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import (
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"bytes"
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"context"
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"io"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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)
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// rangeServer serves a fixed byte slice with full HTTP Range support via
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// http.ServeContent (the same machinery a real debrid CDN exposes). Records
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// the number of GETs so a test can assert that a seek triggers exactly one
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// reopen rather than a full re-download.
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func rangeServer(data []byte) (*httptest.Server, *int) {
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gets := 0
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodGet {
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gets++
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}
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http.ServeContent(w, r, "movie.mp4", time.Time{}, bytes.NewReader(data))
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}))
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return srv, &gets
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}
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func makeData(n int) []byte {
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b := make([]byte, n)
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for i := range b {
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b[i] = byte(i % 251) // non-trivial, deterministic pattern
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}
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return b
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}
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func TestDebridProviderHeadSize(t *testing.T) {
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data := makeData(4096)
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srv, _ := rangeServer(data)
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defer srv.Close()
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// HEAD reports the real size; fallback is ignored when HEAD succeeds.
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p, err := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", 999)
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if err != nil {
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t.Fatalf("NewDebridFileProvider: %v", err)
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}
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if got := p.FileSize(); got != int64(len(data)) {
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t.Fatalf("FileSize from HEAD = %d, want %d", got, len(data))
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}
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if p.FileName() != "movie.mp4" {
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t.Fatalf("FileName = %q, want movie.mp4", p.FileName())
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}
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}
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func TestDebridProviderNameFromURLWhenNoExtension(t *testing.T) {
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// The web may pass a torrent title with no extension (its file-name
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// fallback). The provider must derive the name from the URL so the served
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// Content-Type is video/mp4, not application/octet-stream.
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data := makeData(1024)
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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http.ServeContent(w, r, "x", time.Time{}, bytes.NewReader(data))
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}))
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defer srv.Close()
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p, err := NewDebridFileProvider(context.Background(), srv.URL+"/Movie.2026.1080p.mp4?token=abc", "Project Hail Mary (2026) 1080p web", 0)
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if err != nil {
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t.Fatalf("provider: %v", err)
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}
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if got := p.FileName(); got != "Movie.2026.1080p.mp4" {
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t.Fatalf("FileName = %q, want Movie.2026.1080p.mp4 (derived from URL)", got)
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}
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// A passed name WITH an extension is kept as-is.
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p2, _ := NewDebridFileProvider(context.Background(), srv.URL+"/whatever.mp4", "Nice Title.mp4", 0)
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if got := p2.FileName(); got != "Nice Title.mp4" {
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t.Fatalf("FileName = %q, want Nice Title.mp4 (kept)", got)
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}
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}
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func TestDebridProviderFallbackSizeWhenNoHead(t *testing.T) {
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// Server that refuses HEAD (405) but serves GET — provider must fall back
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// to the size the web reported.
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data := makeData(2048)
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodHead {
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w.WriteHeader(http.StatusMethodNotAllowed)
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return
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}
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http.ServeContent(w, r, "movie.mp4", time.Time{}, bytes.NewReader(data))
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}))
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defer srv.Close()
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p, err := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", int64(len(data)))
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if err != nil {
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t.Fatalf("NewDebridFileProvider: %v", err)
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}
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if got := p.FileSize(); got != int64(len(data)) {
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t.Fatalf("FileSize fallback = %d, want %d", got, len(data))
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}
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}
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func TestDebridProviderNoSizeFails(t *testing.T) {
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusMethodNotAllowed) // no HEAD, no usable GET
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}))
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defer srv.Close()
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// No HEAD size and fallback 0 → must error (ServeContent can't range-serve
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// size 0 without handing the browser an empty file).
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if _, err := NewDebridFileProvider(context.Background(), srv.URL, "", 0); err == nil {
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t.Fatal("expected error when size is unknown, got nil")
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}
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if _, err := NewDebridFileProvider(context.Background(), "", "movie.mp4", 100); err == nil {
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t.Fatal("expected error for empty URL, got nil")
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}
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}
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func TestDebridReaderSequentialRead(t *testing.T) {
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data := makeData(100_000)
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srv, gets := rangeServer(data)
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defer srv.Close()
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p, err := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", 0)
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if err != nil {
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t.Fatalf("provider: %v", err)
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}
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rd := p.NewFileReader(context.Background())
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defer rd.Close()
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got, err := io.ReadAll(rd)
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if err != nil {
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t.Fatalf("ReadAll: %v", err)
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}
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if !bytes.Equal(got, data) {
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t.Fatalf("sequential read mismatch: got %d bytes, want %d", len(got), len(data))
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}
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// A pure sequential read holds a single body to EOF → exactly one GET.
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if *gets != 1 {
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t.Fatalf("sequential read issued %d GETs, want 1", *gets)
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}
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}
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func TestDebridReaderSeekEndReportsSize(t *testing.T) {
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data := makeData(5000)
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srv, _ := rangeServer(data)
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defer srv.Close()
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p, _ := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", 0)
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rd := p.NewFileReader(context.Background())
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defer rd.Close()
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// http.ServeContent calls Seek(0, SeekEnd) to learn the size — must be
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// network-free and return the total.
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size, err := rd.Seek(0, io.SeekEnd)
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if err != nil {
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t.Fatalf("Seek end: %v", err)
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}
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if size != int64(len(data)) {
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t.Fatalf("SeekEnd = %d, want %d", size, len(data))
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}
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}
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func TestDebridReaderSeekThenRead(t *testing.T) {
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data := makeData(50_000)
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srv, gets := rangeServer(data)
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defer srv.Close()
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p, _ := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", 0)
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rd := p.NewFileReader(context.Background())
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defer rd.Close()
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const off = 12_345
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if _, err := rd.Seek(off, io.SeekStart); err != nil {
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t.Fatalf("seek: %v", err)
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}
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got, err := io.ReadAll(rd)
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if err != nil {
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t.Fatalf("ReadAll after seek: %v", err)
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}
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if !bytes.Equal(got, data[off:]) {
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t.Fatalf("tail mismatch: got %d bytes, want %d", len(got), len(data)-off)
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}
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// Seek is network-free; the read after it is the only GET.
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if *gets != 1 {
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t.Fatalf("seek+read issued %d GETs, want 1", *gets)
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}
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}
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func TestDebridReaderServeContentRoundTrip(t *testing.T) {
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// Drive the reader exactly like StreamServer does: hand it to
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// http.ServeContent and issue a ranged request. Verifies the reader is a
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// correct io.ReadSeeker for the production serving path.
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data := makeData(80_000)
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srv, _ := rangeServer(data)
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defer srv.Close()
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p, _ := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", 0)
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front := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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rd := p.NewFileReader(r.Context())
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defer rd.Close()
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http.ServeContent(w, r, p.FileName(), time.Time{}, rd)
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}))
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defer front.Close()
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req, _ := http.NewRequest(http.MethodGet, front.URL, nil)
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req.Header.Set("Range", "bytes=10000-19999")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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t.Fatalf("ranged GET: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusPartialContent {
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t.Fatalf("status = %d, want 206", resp.StatusCode)
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}
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body, _ := io.ReadAll(resp.Body)
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want := data[10000:20000]
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if !bytes.Equal(body, want) {
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t.Fatalf("ranged body mismatch: got %d bytes", len(body))
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}
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}
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func TestDebridReaderSeekPastEnd(t *testing.T) {
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data := makeData(1000)
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srv, _ := rangeServer(data)
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defer srv.Close()
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p, _ := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", 0)
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rd := p.NewFileReader(context.Background())
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defer rd.Close()
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// Seeking at/past size then reading yields EOF, no error, no bytes.
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if _, err := rd.Seek(int64(len(data)), io.SeekStart); err != nil {
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t.Fatalf("seek: %v", err)
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}
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n, err := rd.Read(make([]byte, 16))
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if n != 0 || err != io.EOF {
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t.Fatalf("read past end = (%d, %v), want (0, EOF)", n, err)
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}
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}
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func TestDebridReaderRejectsServerIgnoringRange(t *testing.T) {
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// A server that always returns 200 (ignores Range) is only safe at pos 0.
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// A reopen at a non-zero offset (after a seek) must error rather than serve
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// misaligned bytes.
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data := makeData(4000)
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srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
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w.Header().Set("Content-Length", "4000")
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w.WriteHeader(http.StatusOK)
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w.Write(data)
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}))
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defer srv.Close()
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p, err := NewDebridFileProvider(context.Background(), srv.URL, "movie.mp4", int64(len(data)))
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if err != nil {
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t.Fatalf("provider: %v", err)
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}
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rd := p.NewFileReader(context.Background())
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defer rd.Close()
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if _, err := rd.Seek(1000, io.SeekStart); err != nil {
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t.Fatalf("seek: %v", err)
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}
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if _, err := rd.Read(make([]byte, 16)); err == nil {
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t.Fatal("expected error when server ignores Range at non-zero offset, got nil")
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}
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}
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