feat: add parsing for new links format #3665
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MishkaRogachev
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MishkaRogachev
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Jun 26, 2023
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Samyoul
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Jun 28, 2023
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Ok @MishkaRogachev @borismelnik this actually fixes the functionality and the tests pass. git apply ./fix.patchOr I can push this as a commit myself. diff --git a/protocol/messenger_share_urls_test.go b/protocol/messenger_share_urls_test.go
index 129c6a4f8..54d9a665b 100644
--- a/protocol/messenger_share_urls_test.go
+++ b/protocol/messenger_share_urls_test.go
@@ -112,14 +112,19 @@ func (s *MessengerShareUrlsSuite) createCommunityWithChannel() (*communities.Com
}
func (s *MessengerShareUrlsSuite) TestDecodeEncodeDataURL() {
- testData := []byte("test data 123")
+ ts := [][]byte{
+ []byte("test data 123"),
+ []byte("test data 123test data 123test data 123test data 123test data 123"),
+ }
- encodedData, err := urls.EncodeDataURL(testData)
- s.Require().NoError(err)
+ for i := range ts {
+ encodedData, err := urls.EncodeDataURL(ts[i])
+ s.Require().NoError(err)
- decodedData, err := urls.DecodeDataURL(encodedData)
- s.Require().NoError(err)
- s.Require().Equal(testData, decodedData)
+ decodedData, err := urls.DecodeDataURL(encodedData)
+ s.Require().NoError(err)
+ s.Require().Equal(ts[i], decodedData)
+ }
}
func (s *MessengerShareUrlsSuite) TestSerializePublicKey() {
diff --git a/protocol/urls/utils.go b/protocol/urls/utils.go
index 00ba40942..124ad4e6a 100644
--- a/protocol/urls/utils.go
+++ b/protocol/urls/utils.go
@@ -61,7 +61,11 @@ func encodeDataURL(data []byte) (string, error) {
bb := bytes.NewBuffer([]byte{})
writer := brotli.NewWriter(bb)
_, err := writer.Write(data)
- writer.Close()
+ if err != nil {
+ return "", err
+ }
+
+ err = writer.Close()
if err != nil {
return "", err
}
@@ -71,17 +75,17 @@ func encodeDataURL(data []byte) (string, error) {
func decodeDataURL(data string) ([]byte, error) {
decoded, err := base64.URLEncoding.DecodeString(data)
-
if err != nil {
return nil, err
}
- var output []byte
+
+ output := make([]byte, 4096)
bb := bytes.NewBuffer(decoded)
reader := brotli.NewReader(bb)
- _, err = reader.Read(output)
+ n, err := reader.Read(output)
if err != nil {
return nil, err
}
- return output, nil
+ return output[:n], nil
} |
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Decoding the url data seems to be working fine for me, but I'm getting the following error:
Detailed output: I've tried to unmarshal this data into the
Parsed using the following code: func (s *MessengerShareUrlsSuite) TestDecodeURLData() {
us := "https://status.app/c/iyKACkQKB0Rvb2RsZXMSJ0NvbG9yaW5nIHRoZSB3b3JsZCB3aXRoIGpveSDigKIg4bSXIOKAohiYohsiByMxMzFEMkYqAwEhMwM=#QnO2hw5tVAE-MD5i8Mq4s_oGWd0rRFmlObgRUNQXtUNwP1ixFw914Y4-BQpF08KOqpaULCh7UCtlWR-O0YP8MwA="
u, err := url.Parse(us)
s.Require().NoError(err)
decodedData, err := urls.DecodeDataURL(u.Path[3:])
s.Require().NoError(err)
spew.Dump(decodedData, base64.StdEncoding.EncodeToString(decodedData))
cu := &protobuf.Community{}
err = proto.Unmarshal(decodedData, cu)
s.Require().NoError(err)
spew.Dump(cu)
}OOOOoor the data is corrupted, which I'm going to presume for the moment that it isn't.
|
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Hmm, I've noticed something funny: expect(
(
await createCommunityURLWithData(
{
description: community.description.identity!.description,
displayName: community.description.identity!.displayName,
color: community.description.identity!.color,
membersCount: 446_744,
tagIndices: [1, 33, 51],
},
community.privateKey
)
).toString()
).toBe(This does not have the same field order as the protobuf: message Community {
string display_name = 1;
string description = 2;
uint32 members_count = 3;
string color = 4;
repeated uint32 tag_indices = 5;
}status-go/protocol/protobuf/url_data.proto Lines 6 to 12 in a566c91 Which could explain the type error above. Follow up, no it doesn't the decoded protobuf details below: #3665 (comment) |
@Samyoul, this patch works fine! Many thanks! 
|
|
I've ran the following byte output through a generic protobuf decoder and I get the following result:
Which looks fine up until the last field: tagIndices: [1, 33, 51],repeated uint32 tag_indices = 5; |
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For reviewers: the most significant changes located in |
borismelnik
approved these changes
Jun 29, 2023
This was referenced Jun 29, 2023
Samyoul
previously requested changes
Jun 29, 2023
Samyoul
reviewed
Jun 29, 2023
| @@ -0,0 +1,411 @@ | |||
| package protocol | |||
There was a problem hiding this comment.
Is it possible to have some tests that parse expected url strings? This way we can ensure breaking changes to functionality gets addressed.
There was a problem hiding this comment.
This is actually quite close to what I was thinking.
url := fmt.Sprintf("%s/c/%s#%s", baseShareURL, communityData, signature)
Samyoul
reviewed
Jun 29, 2023
Comment on lines
+503
to
+505
| if strings.HasPrefix(urlContents[0], "c/") { | ||
| return m.parseCommunityURLWithData(strings.TrimPrefix(urlContents[0], "c/"), urlContents[1]) | ||
| } |
There was a problem hiding this comment.
Would c/#urlfragment be a valid url that would be mis-parsed?
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Samyoul
reviewed
Jun 29, 2023
Samyoul
dismissed
their stale review
Because I was wrong, there is a whole big file of tests.
Samyoul
approved these changes
Jun 30, 2023
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@Samyoul @felicio @borismelnik I tried to add some new tests to see if we can parse urls generated by Status Web: And it seems something wrong in our |
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Opened an issue for that: #3713 |
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For status-im/status-desktop#10851
Implement parsing shared urls in a new format
Important changes: