| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "fmt" |
| 5 | "net" |
| 6 | "net/http" |
| 7 | "net/http/httptest" |
| 8 | "net/url" |
| 9 | "os" |
| 10 | "strings" |
| 11 | "testing" |
| 12 | |
| 13 | "github.com/ipfs/boxo/routing/http/server" |
| 14 | "github.com/ipfs/boxo/routing/http/types" |
| 15 | "github.com/ipfs/go-cid" |
| 16 | "github.com/ipfs/go-test/random" |
| 17 | "github.com/ipfs/kubo/config" |
| 18 | "github.com/ipfs/kubo/test/cli/harness" |
| 19 | "github.com/ipfs/kubo/test/cli/testutils/httprouting" |
| 20 | "github.com/libp2p/go-libp2p/core/peer" |
| 21 | "github.com/multiformats/go-multiaddr" |
| 22 | "github.com/stretchr/testify/assert" |
| 23 | ) |
| 24 | |
| 25 | func TestHTTPRetrievalClient(t *testing.T) { |
| 26 | t.Parallel() |
| 27 | |
| 28 | // many moving pieces here, show more when debug is needed |
| 29 | debug := os.Getenv("DEBUG") == "true" |
| 30 | |
| 31 | // usee local /routing/v1/providers/{cid} and |
| 32 | // /ipfs/{cid} HTTP servers to confirm HTTP-only retrieval works end-to-end. |
| 33 | t.Run("works end-to-end with an HTTP-only provider", func(t *testing.T) { |
| 34 | // setup mocked HTTP Router to handle /routing/v1/providers/cid |
| 35 | mockRouter := &httprouting.MockHTTPContentRouter{Debug: debug} |
| 36 | delegatedRoutingServer := httptest.NewServer(server.Handler(mockRouter)) |
| 37 | t.Cleanup(func() { delegatedRoutingServer.Close() }) |
| 38 | |
| 39 | // init Kubo repo |
| 40 | node := harness.NewT(t).NewNode().Init() |
| 41 | |
| 42 | node.UpdateConfig(func(cfg *config.Config) { |
| 43 | // explicitly enable http client |
| 44 | cfg.HTTPRetrieval.Enabled = config.True |
| 45 | // allow NewMockHTTPProviderServer to use self-signed TLS cert |
| 46 | cfg.HTTPRetrieval.TLSInsecureSkipVerify = config.True |
| 47 | // setup client-only routing which asks both HTTP + DHT |
| 48 | // cfg.Routing.Type = config.NewOptionalString("autoclient") |
| 49 | // setup Kubo node to use mocked HTTP Router |
| 50 | cfg.Routing.DelegatedRouters = []string{delegatedRoutingServer.URL} |
| 51 | }) |
| 52 | |
| 53 | // compute a random CID |
| 54 | randStr := string(random.Bytes(100)) |
| 55 | res := node.PipeStrToIPFS(randStr, "add", "-qn", "--cid-version", "1") // -n means dont add to local repo, just produce CID |
| 56 | wantCIDStr := res.Stdout.Trimmed() |
| 57 | testCid := cid.MustParse(wantCIDStr) |
| 58 | |
| 59 | // setup mock HTTP provider |
| 60 | httpProviderServer := NewMockHTTPProviderServer(testCid, randStr, debug) |
| 61 | t.Cleanup(func() { httpProviderServer.Close() }) |
| 62 | httpHost, httpPort, err := splitHostPort(httpProviderServer.URL) |
| 63 | assert.NoError(t, err) |
| 64 | |
| 65 | // setup /routing/v1/providers/cid result that points at our mocked HTTP provider |
| 66 | mockHTTPProviderPeerID := "12D3KooWCjfPiojcCUmv78Wd1NJzi4Mraj1moxigp7AfQVQvGLwH" // static, it does not matter, we only care about multiaddr |
| 67 | mockHTTPMultiaddr, _ := multiaddr.NewMultiaddr(fmt.Sprintf("/ip4/%s/tcp/%s/tls/http", httpHost, httpPort)) |
| 68 | mpid, _ := peer.Decode(mockHTTPProviderPeerID) |
| 69 | mockRouter.AddProvider(testCid, &types.PeerRecord{ |
| 70 | Schema: types.SchemaPeer, |
| 71 | ID: &mpid, |
| 72 | Addrs: []types.Multiaddr{{Multiaddr: mockHTTPMultiaddr}}, |
| 73 | // no explicit Protocols, ensure multiaddr alone is enough |
| 74 | }) |
| 75 | |
| 76 | // Start Kubo |
| 77 | node.StartDaemon() |
| 78 | defer node.StopDaemon() |
| 79 | |
| 80 | if debug { |
| 81 | fmt.Printf("delegatedRoutingServer.URL: %s\n", delegatedRoutingServer.URL) |
| 82 | fmt.Printf("httpProviderServer.URL: %s\n", httpProviderServer.URL) |
| 83 | fmt.Printf("httpProviderServer.Multiaddr: %s\n", mockHTTPMultiaddr) |
| 84 | fmt.Printf("testCid: %s\n", testCid) |
| 85 | } |
| 86 | |
| 87 | // Now, make Kubo to read testCid. it was not added to local blockstore, so it has only one provider -- a HTTP server. |
| 88 | |
| 89 | // First, confirm delegatedRoutingServer returned HTTP provider |
| 90 | findprovsRes := node.IPFS("routing", "findprovs", testCid.String()) |
| 91 | assert.Equal(t, mockHTTPProviderPeerID, findprovsRes.Stdout.Trimmed()) |
| 92 | |
| 93 | // Ok, now attempt retrieval. |
| 94 | // If there was no timeout and returned bytes match expected body, HTTP routing and retrieval worked end-to-end. |
| 95 | catRes := node.IPFS("cat", testCid.String()) |
| 96 | assert.Equal(t, randStr, catRes.Stdout.Trimmed()) |
| 97 | }) |
| 98 | } |
| 99 | |
| 100 | // NewMockHTTPProviderServer pretends to be http provider that supports |
| 101 | // block response https://specs.ipfs.tech/http-gateways/trustless-gateway/#block-responses-application-vnd-ipld-raw |
| 102 | func NewMockHTTPProviderServer(c cid.Cid, body string, debug bool) *httptest.Server { |
| 103 | expectedPathPrefix := "/ipfs/" + c.String() |
| 104 | handler := http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) { |
| 105 | if debug { |
| 106 | fmt.Printf("NewMockHTTPProviderServer GET %s\n", req.URL.Path) |
| 107 | } |
| 108 | if strings.HasPrefix(req.URL.Path, expectedPathPrefix) { |
| 109 | w.Header().Set("Content-Type", "application/vnd.ipld.raw") |
| 110 | w.WriteHeader(http.StatusOK) |
| 111 | if req.Method == "GET" { |
| 112 | _, err := w.Write([]byte(body)) |
| 113 | if err != nil { |
| 114 | fmt.Fprintf(os.Stderr, "NewMockHTTPProviderServer GET %s error: %v\n", req.URL.Path, err) |
| 115 | } |
| 116 | } |
| 117 | } else if strings.HasPrefix(req.URL.Path, "/ipfs/bafkqaaa") { |
| 118 | // This is probe from https://specs.ipfs.tech/http-gateways/trustless-gateway/#dedicated-probe-paths |
| 119 | w.Header().Set("Content-Type", "application/vnd.ipld.raw") |
| 120 | w.WriteHeader(http.StatusOK) |
| 121 | } else { |
| 122 | http.Error(w, "Not Found", http.StatusNotFound) |
| 123 | } |
| 124 | }) |
| 125 | |
| 126 | // Make it HTTP/2 with self-signed TLS cert |
| 127 | srv := httptest.NewUnstartedServer(handler) |
| 128 | srv.EnableHTTP2 = true |
| 129 | srv.StartTLS() |
| 130 | return srv |
| 131 | } |
| 132 | |
| 133 | func splitHostPort(httpUrl string) (ipAddr string, port string, err error) { |
| 134 | u, err := url.Parse(httpUrl) |
| 135 | if err != nil { |
| 136 | return "", "", err |
| 137 | } |
| 138 | if u.Scheme == "" || u.Host == "" { |
| 139 | return "", "", fmt.Errorf("invalid URL format: missing scheme or host") |
| 140 | } |
| 141 | ipAddr, port, err = net.SplitHostPort(u.Host) |
| 142 | if err != nil { |
| 143 | return "", "", fmt.Errorf("failed to split host and port from %q: %w", u.Host, err) |
| 144 | } |
| 145 | return ipAddr, port, nil |
| 146 | } |