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[feature] Support Actor URIs for webfinger queries (#2187)

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* [feature] Support Actor URIs for webfinger queries

It's now possible to pass an Actor URI as the resource to query for when
doing a webfinger query. The code now extracts the username and domain
from the URI. The URI needs to be fully qualified, including having a
scheme of http or https to be recognised as such.

The acct scheme is handled as we used to, including dealing with an
erroneous leading @ on the username. We retain the ability to handle
resources without a scheme by parsing them again with the acct scheme if
the original parse failed. This can happen due to parsing ambiguities
when dealing with a string like user@domain.tld:port.

* [bugfix] Remove debugging changes

* [chore] Make TestExtractNamestring table-driven

* [chore] Unnest Trim and Split for readability
This commit is contained in:
Daenney
2023-09-11 18:38:31 +02:00
committed by GitHub
parent 7011f57b09
commit 2cac5a4613
3 changed files with 203 additions and 85 deletions
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164
internal/util/namestring_test.go
View File

@@ -18,6 +18,7 @@
package util_test
import (
"net/url"
"testing"
"github.com/stretchr/testify/suite"
@@ -28,88 +29,101 @@ type NamestringSuite struct {
suite.Suite
}
func (suite *NamestringSuite) TestExtractWebfingerParts1() {
webfinger := "acct:stonerkitty.monster@stonerkitty.monster"
username, host, err := util.ExtractWebfingerParts(webfinger)
suite.NoError(err)
func (suite *NamestringSuite) TestExtractWebfingerParts() {
tests := []struct {
in, username, domain, err string
}{
{in: "acct:stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "acct:stonerkitty.monster@stonerkitty.monster:8080", username: "stonerkitty.monster", domain: "stonerkitty.monster:8080"},
{in: "acct:@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "stonerkitty.monster@stonerkitty.monster:8080", username: "stonerkitty.monster", domain: "stonerkitty.monster:8080"},
{in: "@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "acct:@@stonerkitty.monster@stonerkitty.monster", err: "failed to extract user and domain from: acct:@@stonerkitty.monster@stonerkitty.monster"},
{in: "acct:@stonerkitty.monster@@stonerkitty.monster", err: "failed to extract user and domain from: acct:@stonerkitty.monster@@stonerkitty.monster"},
{in: "@@stonerkitty.monster@stonerkitty.monster", err: "failed to extract user and domain from: @@stonerkitty.monster@stonerkitty.monster"},
{in: "@stonerkitty.monster@@stonerkitty.monster", err: "failed to extract user and domain from: @stonerkitty.monster@@stonerkitty.monster"},
{in: "s3:stonerkitty.monster@stonerkitty.monster", err: "unsupported scheme: s3 for resource: s3:stonerkitty.monster@stonerkitty.monster"},
}
suite.Equal("stonerkitty.monster", username)
suite.Equal("stonerkitty.monster", host)
for _, tt := range tests {
tt := tt
suite.Run(tt.in, func() {
suite.T().Parallel()
username, domain, err := util.ExtractWebfingerParts(tt.in)
if tt.err == "" {
suite.NoError(err)
suite.Equal(tt.username, username)
suite.Equal(tt.domain, domain)
} else {
suite.EqualError(err, tt.err)
}
})
}
}
func (suite *NamestringSuite) TestExtractWebfingerParts2() {
webfinger := "@stonerkitty.monster@stonerkitty.monster"
username, host, err := util.ExtractWebfingerParts(webfinger)
suite.NoError(err)
func (suite *NamestringSuite) TestExtractWebfingerPartsFromURI() {
tests := []struct {
in, username, domain, err string
}{
{in: "https://stonerkitty.monster/users/stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "https://stonerkitty.monster/users/@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "https://stonerkitty.monster/@stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "https://stonerkitty.monster/@@stonerkitty.monster", username: "@stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "https://stonerkitty.monster:8080/users/stonerkitty.monster", username: "stonerkitty.monster", domain: "stonerkitty.monster:8080"},
{in: "https://stonerkitty.monster/users/stonerkitty.monster/evil", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "https://stonerkitty.monster/@stonerkitty.monster/evil", username: "stonerkitty.monster", domain: "stonerkitty.monster"},
{in: "/@stonerkitty.monster", err: "failed to extract domain from: /@stonerkitty.monster"},
{in: "/users/stonerkitty.monster", err: "failed to extract domain from: /users/stonerkitty.monster"},
{in: "@stonerkitty.monster", err: "failed to extract domain from: @stonerkitty.monster"},
{in: "users/stonerkitty.monster", err: "failed to extract domain from: users/stonerkitty.monster"},
{in: "https://stonerkitty.monster/users/", err: "failed to extract username from: https://stonerkitty.monster/users/"},
{in: "https://stonerkitty.monster/users/@", err: "failed to extract username from: https://stonerkitty.monster/users/@"},
{in: "https://stonerkitty.monster/@", err: "failed to extract username from: https://stonerkitty.monster/@"},
{in: "https://stonerkitty.monster/", err: "failed to extract username from: https://stonerkitty.monster/"},
}
suite.Equal("stonerkitty.monster", username)
suite.Equal("stonerkitty.monster", host)
for _, tt := range tests {
tt := tt
suite.Run(tt.in, func() {
suite.T().Parallel()
uri, _ := url.Parse(tt.in)
username, domain, err := util.ExtractWebfingerPartsFromURI(uri)
if tt.err == "" {
suite.NoError(err)
suite.Equal(tt.username, username)
suite.Equal(tt.domain, domain)
} else {
suite.EqualError(err, tt.err)
}
})
}
}
func (suite *NamestringSuite) TestExtractWebfingerParts3() {
webfinger := "acct:someone@somewhere"
username, host, err := util.ExtractWebfingerParts(webfinger)
suite.NoError(err)
func (suite *NamestringSuite) TestExtractNamestring() {
tests := []struct {
in, username, host, err string
}{
{in: "@stonerkitty.monster@stonerkitty.monster", username: "stonerkitty.monster", host: "stonerkitty.monster"},
{in: "@stonerkitty.monster", username: "stonerkitty.monster"},
{in: "@someone@somewhere", username: "someone", host: "somewhere"},
{in: "", err: "couldn't match mention "},
}
suite.Equal("someone", username)
suite.Equal("somewhere", host)
}
func (suite *NamestringSuite) TestExtractWebfingerParts4() {
webfinger := "@stoner-kitty.monster@stonerkitty.monster"
username, host, err := util.ExtractWebfingerParts(webfinger)
suite.NoError(err)
suite.Equal("stoner-kitty.monster", username)
suite.Equal("stonerkitty.monster", host)
}
func (suite *NamestringSuite) TestExtractWebfingerParts5() {
webfinger := "@stonerkitty.monster"
username, host, err := util.ExtractWebfingerParts(webfinger)
suite.NoError(err)
suite.Equal("stonerkitty.monster", username)
suite.Empty(host)
}
func (suite *NamestringSuite) TestExtractWebfingerParts6() {
webfinger := "@@stonerkitty.monster"
_, _, err := util.ExtractWebfingerParts(webfinger)
suite.EqualError(err, "couldn't match mention @@stonerkitty.monster")
}
func (suite *NamestringSuite) TestExtractNamestringParts1() {
namestring := "@stonerkitty.monster@stonerkitty.monster"
username, host, err := util.ExtractNamestringParts(namestring)
suite.NoError(err)
suite.Equal("stonerkitty.monster", username)
suite.Equal("stonerkitty.monster", host)
}
func (suite *NamestringSuite) TestExtractNamestringParts2() {
namestring := "@stonerkitty.monster"
username, host, err := util.ExtractNamestringParts(namestring)
suite.NoError(err)
suite.Equal("stonerkitty.monster", username)
suite.Empty(host)
}
func (suite *NamestringSuite) TestExtractNamestringParts3() {
namestring := "@someone@somewhere"
username, host, err := util.ExtractWebfingerParts(namestring)
suite.NoError(err)
suite.Equal("someone", username)
suite.Equal("somewhere", host)
}
func (suite *NamestringSuite) TestExtractNamestringParts4() {
namestring := ""
_, _, err := util.ExtractNamestringParts(namestring)
suite.EqualError(err, "couldn't match mention ")
for _, tt := range tests {
tt := tt
suite.Run(tt.in, func() {
suite.T().Parallel()
username, host, err := util.ExtractNamestringParts(tt.in)
if tt.err != "" {
suite.EqualError(err, tt.err)
} else {
suite.NoError(err)
suite.Equal(tt.username, username)
suite.Equal(tt.host, host)
}
})
}
}
func TestNamestringSuite(t *testing.T) {