590 lines
20 KiB
Go
590 lines
20 KiB
Go
package protocol
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"math"
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"net/http"
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"net/url"
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"regexp"
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"testing"
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"time"
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"github.com/stretchr/testify/suite"
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"github.com/status-im/status-go/eth-node/crypto"
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"github.com/status-im/status-go/images"
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"github.com/status-im/status-go/multiaccounts/settings"
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"github.com/status-im/status-go/protocol/common"
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"github.com/status-im/status-go/protocol/protobuf"
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"github.com/status-im/status-go/protocol/requests"
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)
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func TestMessengerLinkPreviews(t *testing.T) {
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suite.Run(t, new(MessengerLinkPreviewsTestSuite))
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}
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type MessengerLinkPreviewsTestSuite struct {
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MessengerBaseTestSuite
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}
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// StubMatcher should either return an http.Response or nil in case the request
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// doesn't match.
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type StubMatcher func(req *http.Request) *http.Response
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type StubTransport struct {
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// fallbackToDefaultTransport when true will make the transport use
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// http.DefaultTransport in case no matcher is found.
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fallbackToDefaultTransport bool
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// disabledStubs when true, will skip all matchers and use
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// http.DefaultTransport.
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//
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// Useful while testing to toggle between the original and stubbed responses.
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disabledStubs bool
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// matchers are http.RoundTripper functions.
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matchers []StubMatcher
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}
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// RoundTrip returns a stubbed response if any matcher returns a non-nil
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// http.Response. If no matcher is found and fallbackToDefaultTransport is true,
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// then it executes the HTTP request using the default http transport.
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//
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// If StubTransport#disabledStubs is true, the default http transport is used.
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func (t *StubTransport) RoundTrip(req *http.Request) (*http.Response, error) {
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if t.disabledStubs {
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return http.DefaultTransport.RoundTrip(req)
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}
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for _, matcher := range t.matchers {
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res := matcher(req)
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if res != nil {
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return res, nil
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}
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}
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if t.fallbackToDefaultTransport {
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return http.DefaultTransport.RoundTrip(req)
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}
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return nil, fmt.Errorf("no HTTP matcher found")
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}
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func (t *StubTransport) AddURLMatcherRoundTrip(urlRegexp string, roundTrip func(r *http.Request) *http.Response) {
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matcher := func(req *http.Request) *http.Response {
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rx, err := regexp.Compile(regexp.QuoteMeta(urlRegexp))
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if err != nil {
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return nil
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}
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if !rx.MatchString(req.URL.String()) {
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return nil
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}
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return roundTrip(req)
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}
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t.matchers = append(t.matchers, matcher)
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}
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// Add a matcher based on a URL regexp. If a given request URL matches the
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// regexp, then responseBody will be returned with a hardcoded 200 status code.
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// If headers is non-nil, use it as the value of http.Response.Header.
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func (t *StubTransport) AddURLMatcher(urlRegexp string, responseBody []byte, headers map[string]string) {
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matcher := func(req *http.Request) *http.Response {
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res := &http.Response{
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StatusCode: http.StatusOK,
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Body: ioutil.NopCloser(bytes.NewBuffer(responseBody)),
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}
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if headers != nil {
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res.Header = http.Header{}
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for k, v := range headers {
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res.Header.Set(k, v)
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}
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}
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return res
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}
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t.AddURLMatcherRoundTrip(urlRegexp, matcher)
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}
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// assertContainsLongString verifies if actual contains a slice of expected and
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// correctly prints the cause of the failure. The default behavior of
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// require.Contains with long strings is to not print the formatted message
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// (varargs to require.Contains).
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func (s *MessengerLinkPreviewsTestSuite) assertContainsLongString(expected string, actual string, maxLength int) {
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var safeIdx float64
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var actualShort string
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var expectedShort string
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if len(actual) > 0 {
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safeIdx = math.Min(float64(maxLength), float64(len(actual)-1))
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actualShort = actual[:int(safeIdx)]
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}
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if len(expected) > 0 {
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safeIdx = math.Min(float64(maxLength), float64(len(expected)-1))
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expectedShort = expected[:int(safeIdx)]
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}
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s.Require().Contains(
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actual, expected,
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"'%s' should contain '%s'",
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actualShort,
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expectedShort,
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)
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_GetLinks() {
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examples := []struct {
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args string
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expected []string
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}{
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// Invalid URLs are not taken in consideration.
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{args: "", expected: []string{}},
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{args: " ", expected: []string{}},
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{args: "https", expected: []string{}},
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{args: "https://", expected: []string{}},
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{args: "https://status", expected: []string{}},
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{args: "https://status.", expected: []string{}},
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// URLs must include the sheme.
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{args: "status.com", expected: []string{}},
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{args: "https://status.im", expected: []string{"https://status.im"}},
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// Only the host should be lowercased.
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{args: "HTTPS://STATUS.IM/path/to?Q=AbCdE", expected: []string{"https://status.im/path/to?Q=AbCdE"}},
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// Remove trailing forward slash.
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{args: "https://github.com/", expected: []string{"https://github.com"}},
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{args: "https://www.youtube.com/watch?v=mzOyYtfXkb0/", expected: []string{"https://www.youtube.com/watch?v=mzOyYtfXkb0"}},
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// Valid URL.
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{args: "https://status.c", expected: []string{"https://status.c"}},
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{args: "https://status.im/test", expected: []string{"https://status.im/test"}},
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{args: "https://192.168.0.100:9999/xyz", expected: []string{"https://192.168.0.100:9999/xyz"}},
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// There is a bug in the code that builds the AST from markdown text,
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// because it removes the closing parenthesis, which means it won't be
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// possible to unfurl this URL.
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{args: "https://en.wikipedia.org/wiki/Status_message_(instant_messaging)", expected: []string{"https://en.wikipedia.org/wiki/Status_message_(instant_messaging"}},
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// Multiple URLs.
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{
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args: "https://status.im/test https://www.youtube.com/watch?v=mzOyYtfXkb0",
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expected: []string{"https://status.im/test", "https://www.youtube.com/watch?v=mzOyYtfXkb0"},
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},
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{
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args: "status.im https://www.youtube.com/watch?v=mzOyYtfXkb0",
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expected: []string{"https://www.youtube.com/watch?v=mzOyYtfXkb0"},
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},
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}
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for _, ex := range examples {
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links := GetURLs(ex.args)
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s.Require().Equal(ex.expected, links, "Failed for args: '%s'", ex.args)
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}
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}
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func (s *MessengerLinkPreviewsTestSuite) readAsset(filename string) []byte {
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b, err := ioutil.ReadFile("../_assets/tests/" + filename)
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s.Require().NoError(err)
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return b
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_YouTube() {
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u := "https://www.youtube.com/watch?v=lE4UXdJSJM4"
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thumbnailURL := "https://i.ytimg.com/vi/lE4UXdJSJM4/maxresdefault.jpg"
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expected := common.LinkPreview{
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Type: protobuf.UnfurledLink_LINK,
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URL: u,
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Hostname: "www.youtube.com",
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Title: "Interview with a GNU/Linux user - Partition 1",
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Description: "GNU/Linux Operating SystemInterview with a GNU/Linux user with Richie Guix - aired on © The GNU Linux.Programmer humorLinux humorProgramming jokesProgramming...",
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Thumbnail: common.LinkPreviewThumbnail{
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Width: 1,
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Height: 1,
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DataURI: "data:image/webp;base64,UklGRiQAAABXRUJQVlA4IBgAAAAwAQCdASoBAAEAAQAaJaQAA3AA/vpMgAA",
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},
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}
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transport := StubTransport{}
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transport.AddURLMatcher(
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u,
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[]byte(fmt.Sprintf(`
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<html>
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<head>
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<meta property="og:title" content="%s">
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<meta property="og:description" content="%s">
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<meta property="og:image" content="%s">
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</head>
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</html>
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`, expected.Title, expected.Description, thumbnailURL)),
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nil,
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)
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transport.AddURLMatcher(thumbnailURL, s.readAsset("1.jpg"), nil)
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stubbedClient := http.Client{Transport: &transport}
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response, err := s.m.UnfurlURLs(&stubbedClient, []string{u})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Len(response.LinkPreviews, 1)
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preview := response.LinkPreviews[0]
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s.Require().Equal(expected.Type, preview.Type)
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s.Require().Equal(expected.URL, preview.URL)
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s.Require().Equal(expected.Hostname, preview.Hostname)
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s.Require().Equal(expected.Title, preview.Title)
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s.Require().Equal(expected.Description, preview.Description)
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s.Require().Equal(expected.Thumbnail.Width, preview.Thumbnail.Width)
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s.Require().Equal(expected.Thumbnail.Height, preview.Thumbnail.Height)
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s.Require().Equal(expected.Thumbnail.URL, preview.Thumbnail.URL)
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s.assertContainsLongString(expected.Thumbnail.DataURI, preview.Thumbnail.DataURI, 100)
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_Reddit() {
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u := "https://www.reddit.com/r/Bitcoin/comments/13j0tzr/the_best_bitcoin_explanation_of_all_times/?utm_source=share"
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expected := common.LinkPreview{
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Type: protobuf.UnfurledLink_LINK,
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URL: u,
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Hostname: "www.reddit.com",
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Title: "The best bitcoin explanation of all times.",
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Description: "",
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Thumbnail: common.LinkPreviewThumbnail{},
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}
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transport := StubTransport{}
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transport.AddURLMatcher(
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"https://www.reddit.com/oembed",
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[]byte(`
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{
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"provider_url": "https://www.reddit.com/",
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"version": "1.0",
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"title": "The best bitcoin explanation of all times.",
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"provider_name": "reddit",
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"type": "rich",
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"author_name": "DTheDev"
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}
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`),
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nil,
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)
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stubbedClient := http.Client{Transport: &transport}
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response, err := s.m.UnfurlURLs(&stubbedClient, []string{u})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Len(response.LinkPreviews, 1)
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preview := response.LinkPreviews[0]
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s.Require().Equal(expected.Type, preview.Type)
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s.Require().Equal(expected.URL, preview.URL)
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s.Require().Equal(expected.Hostname, preview.Hostname)
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s.Require().Equal(expected.Title, preview.Title)
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s.Require().Equal(expected.Description, preview.Description)
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s.Require().Equal(expected.Thumbnail, preview.Thumbnail)
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_Timeout() {
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httpClient := http.Client{Timeout: time.Nanosecond}
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response, err := s.m.UnfurlURLs(&httpClient, []string{"https://status.im"})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Empty(response.LinkPreviews)
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_CommonFailures() {
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httpClient := http.Client{}
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// Test URL that doesn't return any OpenGraph title.
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transport := StubTransport{}
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transport.AddURLMatcher(
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"https://wikipedia.org",
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[]byte("<html><head></head></html>"),
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nil,
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)
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stubbedClient := http.Client{Transport: &transport}
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response, err := s.m.UnfurlURLs(&stubbedClient, []string{"https://wikipedia.org"})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Empty(response.LinkPreviews)
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// Test 404.
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response, err = s.m.UnfurlURLs(&httpClient, []string{"https://github.com/status-im/i_do_not_exist"})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Empty(response.LinkPreviews)
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// Test no response when trying to get OpenGraph metadata.
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response, err = s.m.UnfurlURLs(&httpClient, []string{"https://wikipedia.o"})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Empty(response.LinkPreviews)
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_isSupportedImageURL() {
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examples := []struct {
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url string
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expected bool
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}{
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{url: "https://placehold.co/600x400@2x.png", expected: true},
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{url: "https://placehold.co/600x400@2x.PNG", expected: true},
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{url: "https://placehold.co/600x400@2x.jpg", expected: true},
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{url: "https://placehold.co/600x400@2x.JPG", expected: true},
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{url: "https://placehold.co/600x400@2x.jpeg", expected: true},
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{url: "https://placehold.co/600x400@2x.Jpeg", expected: true},
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{url: "https://placehold.co/600x400@2x.webp", expected: true},
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{url: "https://placehold.co/600x400@2x.WebP", expected: true},
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{url: "https://placehold.co/600x400@2x.PnGs", expected: false},
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{url: "https://placehold.co/600x400@2x.tiff", expected: false},
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}
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for _, e := range examples {
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parsedURL, err := url.Parse(e.url)
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s.Require().NoError(err, e)
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s.Require().Equal(e.expected, IsSupportedImageURL(parsedURL), e.url)
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}
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_Image() {
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u := "https://placehold.co/600x400@3x.png"
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expected := common.LinkPreview{
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Type: protobuf.UnfurledLink_IMAGE,
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URL: u,
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Hostname: "placehold.co",
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Title: "",
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Description: "",
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Thumbnail: common.LinkPreviewThumbnail{
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Width: 1293,
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Height: 1900,
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DataURI: "data:image/jpeg;base64,/9j/2wCEABALDA4MChAODQ4SERATGCgaGBYWGDEjJR0oOjM9PDkzODdASFxOQERXRTc4UG1RV19iZ",
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},
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}
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transport := StubTransport{}
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// Use a larger image to verify Thumbnail.DataURI is compressed.
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transport.AddURLMatcher(u, s.readAsset("IMG_1205.HEIC.jpg"), nil)
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stubbedClient := http.Client{Transport: &transport}
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response, err := s.m.UnfurlURLs(&stubbedClient, []string{u})
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s.Require().NoError(err)
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s.Require().Len(response.StatusLinkPreviews, 0)
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s.Require().Len(response.LinkPreviews, 1)
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preview := response.LinkPreviews[0]
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s.Require().Equal(expected.Type, preview.Type)
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s.Require().Equal(expected.URL, preview.URL)
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s.Require().Equal(expected.Hostname, preview.Hostname)
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s.Require().Equal(expected.Title, preview.Title)
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s.Require().Equal(expected.Description, preview.Description)
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s.Require().Equal(expected.Thumbnail.Width, preview.Thumbnail.Width)
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s.Require().Equal(expected.Thumbnail.Height, preview.Thumbnail.Height)
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s.Require().Equal(expected.Thumbnail.URL, preview.Thumbnail.URL)
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s.assertContainsLongString(expected.Thumbnail.DataURI, preview.Thumbnail.DataURI, 100)
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}
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func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_StatusContactAdded() {
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identity, err := crypto.GenerateKey()
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s.Require().NoError(err)
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c, err := BuildContactFromPublicKey(&identity.PublicKey)
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s.Require().NoError(err)
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s.Require().NotNil(c)
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pubkey, err := c.PublicKey()
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s.Require().NoError(err)
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shortKey, err := s.m.SerializePublicKey(crypto.CompressPubkey(pubkey))
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s.Require().NoError(err)
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payload, err := images.GetPayloadFromURI("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAYAAAAeP4ixA" +
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"AAAiklEQVR4nOzWwQmFQAwG4ffEXmzLIizDImzLarQBhSwSGH7mO+9hh0DI9AthCI0hNIbQGEJjCI0hNIbQxITM1YfHfl69X3m2bsu/8i5mI" +
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"obQGEJjCI0hNIbQlG+tUW83UtfNFjMRQ2gMofm8tUa3U9c2i5mIITSGqEnMRAyhMYTGEBpDaO4AAAD//5POEGncqtj1AAAAAElFTkSuQmCC")
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s.Require().NoError(err)
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icon := images.IdentityImage{
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Width: 50,
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Height: 50,
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Payload: payload,
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}
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c.Bio = "TestBio_1"
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c.DisplayName = "TestDisplayName_2"
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c.Images = map[string]images.IdentityImage{}
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c.Images[images.SmallDimName] = icon
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s.m.allContacts.Store(c.ID, c)
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// Generate a shared URL
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u, err := s.m.ShareUserURLWithData(c.ID)
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s.Require().NoError(err)
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// Update contact info locally after creating the shared URL
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// This is required to test that URL-decoded data is not used in the preview.
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c.Bio = "TestBio_2"
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c.DisplayName = "TestDisplayName_2"
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s.m.allContacts.Store(c.ID, c)
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r, err := s.m.UnfurlURLs(nil, []string{u})
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s.Require().NoError(err)
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s.Require().Len(r.StatusLinkPreviews, 1)
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s.Require().Len(r.LinkPreviews, 0)
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preview := r.StatusLinkPreviews[0]
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s.Require().Equal(u, preview.URL)
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s.Require().Nil(preview.Community)
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s.Require().Nil(preview.Channel)
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s.Require().NotNil(preview.Contact)
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s.Require().Equal(shortKey, preview.Contact.PublicKey)
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s.Require().Equal(c.DisplayName, preview.Contact.DisplayName)
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s.Require().Equal(c.Bio, preview.Contact.Description)
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s.Require().Equal(icon.Width, preview.Contact.Icon.Width)
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s.Require().Equal(icon.Height, preview.Contact.Icon.Height)
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s.Require().Equal("", preview.Contact.Icon.URL)
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expectedDataURI, err := images.GetPayloadDataURI(icon.Payload)
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s.Require().NoError(err)
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s.Require().Equal(expectedDataURI, preview.Contact.Icon.DataURI)
|
|
}
|
|
|
|
func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_StatusCommunityJoined() {
|
|
|
|
description := &requests.CreateCommunity{
|
|
Membership: protobuf.CommunityPermissions_NO_MEMBERSHIP,
|
|
Name: "status",
|
|
Description: "status community description",
|
|
Color: "#123456",
|
|
Image: "../_assets/tests/status.png", // 256*256 px
|
|
ImageAx: 0,
|
|
ImageAy: 0,
|
|
ImageBx: 256,
|
|
ImageBy: 256,
|
|
Banner: images.CroppedImage{
|
|
ImagePath: "../_assets/tests/IMG_1205.HEIC.jpg", // 2282*3352 px
|
|
X: 0,
|
|
Y: 0,
|
|
Width: 160,
|
|
Height: 90,
|
|
},
|
|
}
|
|
|
|
response, err := s.m.CreateCommunity(description, false)
|
|
s.Require().NoError(err)
|
|
s.Require().NotNil(response)
|
|
|
|
community := response.Communities()[0]
|
|
communityImages := community.Images()
|
|
s.Require().Len(communityImages, 3)
|
|
|
|
// Get icon data
|
|
icon, ok := communityImages[images.SmallDimName]
|
|
s.Require().True(ok)
|
|
iconWidth, iconHeight, err := images.GetImageDimensions(icon.Payload)
|
|
s.Require().NoError(err)
|
|
iconDataURI, err := images.GetPayloadDataURI(icon.Payload)
|
|
s.Require().NoError(err)
|
|
|
|
// Get banner data
|
|
banner, ok := communityImages[images.BannerIdentityName]
|
|
s.Require().True(ok)
|
|
bannerWidth, bannerHeight, err := images.GetImageDimensions(banner.Payload)
|
|
s.Require().NoError(err)
|
|
bannerDataURI, err := images.GetPayloadDataURI(banner.Payload)
|
|
s.Require().NoError(err)
|
|
|
|
// Create shared URL
|
|
u, err := s.m.ShareCommunityURLWithData(community.ID())
|
|
s.Require().NoError(err)
|
|
|
|
// Unfurl community shared URL
|
|
r, err := s.m.UnfurlURLs(nil, []string{u})
|
|
s.Require().NoError(err)
|
|
s.Require().Len(r.StatusLinkPreviews, 1)
|
|
s.Require().Len(r.LinkPreviews, 0)
|
|
|
|
preview := r.StatusLinkPreviews[0]
|
|
s.Require().Equal(u, preview.URL)
|
|
s.Require().NotNil(preview.Community)
|
|
s.Require().Nil(preview.Channel)
|
|
s.Require().Nil(preview.Contact)
|
|
|
|
s.Require().Equal(community.IDString(), preview.Community.CommunityID)
|
|
s.Require().Equal(community.Name(), preview.Community.DisplayName)
|
|
s.Require().Equal(community.Identity().Description, preview.Community.Description)
|
|
s.Require().Equal(iconWidth, preview.Community.Icon.Width)
|
|
s.Require().Equal(iconHeight, preview.Community.Icon.Height)
|
|
s.Require().Equal(iconDataURI, preview.Community.Icon.DataURI)
|
|
s.Require().Equal(bannerWidth, preview.Community.Banner.Width)
|
|
s.Require().Equal(bannerHeight, preview.Community.Banner.Height)
|
|
s.Require().Equal(bannerDataURI, preview.Community.Banner.DataURI)
|
|
}
|
|
|
|
func (s *MessengerLinkPreviewsTestSuite) Test_UnfurlURLs_Settings() {
|
|
|
|
// Create website stub
|
|
ogLink := "https://github.com"
|
|
requestsCount := 0
|
|
|
|
transport := StubTransport{}
|
|
transport.AddURLMatcherRoundTrip(
|
|
ogLink,
|
|
func(req *http.Request) *http.Response {
|
|
requestsCount++
|
|
responseBody := []byte(`<html><head><meta property="og:title" content="TestTitle"></head></html>`)
|
|
return &http.Response{
|
|
StatusCode: http.StatusOK,
|
|
Body: ioutil.NopCloser(bytes.NewBuffer(responseBody)),
|
|
}
|
|
},
|
|
)
|
|
stubbedClient := http.Client{Transport: &transport}
|
|
|
|
// Add contact
|
|
identity, err := crypto.GenerateKey()
|
|
s.Require().NoError(err)
|
|
|
|
c, err := BuildContactFromPublicKey(&identity.PublicKey)
|
|
s.Require().NoError(err)
|
|
s.Require().NotNil(c)
|
|
|
|
c.Bio = "TestBio_1"
|
|
c.DisplayName = "TestDisplayName_2"
|
|
s.m.allContacts.Store(c.ID, c)
|
|
statusUserLink, err := s.m.ShareUserURLWithData(c.ID)
|
|
s.Require().NoError(err)
|
|
|
|
linksToUnfurl := []string{ogLink, statusUserLink}
|
|
|
|
// Test `AlwaysAsk`
|
|
// NOTE: on status-go side `AlwaysAsk` == `EnableAll`, "asking" should be processed by the app
|
|
|
|
requestsCount = 0
|
|
err = s.m.settings.SaveSettingField(settings.URLUnfurlingMode, settings.URLUnfurlingAlwaysAsk)
|
|
s.Require().NoError(err)
|
|
|
|
linkPreviews, err := s.m.UnfurlURLs(&stubbedClient, linksToUnfurl)
|
|
s.Require().NoError(err)
|
|
s.Require().Len(linkPreviews.LinkPreviews, 1)
|
|
s.Require().Len(linkPreviews.StatusLinkPreviews, 1)
|
|
s.Require().Equal(requestsCount, 1)
|
|
|
|
// Test `EnableAll`
|
|
requestsCount = 0
|
|
err = s.m.settings.SaveSettingField(settings.URLUnfurlingMode, settings.URLUnfurlingEnableAll)
|
|
s.Require().NoError(err)
|
|
|
|
linkPreviews, err = s.m.UnfurlURLs(&stubbedClient, linksToUnfurl)
|
|
s.Require().NoError(err)
|
|
s.Require().Len(linkPreviews.LinkPreviews, 1)
|
|
s.Require().Len(linkPreviews.StatusLinkPreviews, 1)
|
|
s.Require().Equal(requestsCount, 1)
|
|
|
|
// Test `DisableAll`
|
|
requestsCount = 0
|
|
err = s.m.settings.SaveSettingField(settings.URLUnfurlingMode, settings.URLUnfurlingDisableAll)
|
|
s.Require().NoError(err)
|
|
|
|
linkPreviews, err = s.m.UnfurlURLs(&stubbedClient, linksToUnfurl)
|
|
s.Require().NoError(err)
|
|
s.Require().Len(linkPreviews.LinkPreviews, 0)
|
|
s.Require().Len(linkPreviews.StatusLinkPreviews, 1) // Status links are always unfurled
|
|
s.Require().Equal(requestsCount, 0)
|
|
|
|
}
|