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Be more lenient with label colors #17752

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Merged
merged 1 commit into from
Feb 7, 2022
Merged

Be more lenient with label colors #17752

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19 changes: 18 additions & 1 deletion models/issue_label.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ import (
)

// LabelColorPattern is a regexp witch can validate LabelColor
var LabelColorPattern = regexp.MustCompile("^#[0-9a-fA-F]{6}$")
var LabelColorPattern = regexp.MustCompile("^#?(?:[0-9a-fA-F]{6}|[0-9a-fA-F]{3})$")

// Label represents a label of repository for issues.
type Label struct {
Expand Down Expand Up @@ -258,6 +258,23 @@ func NewLabel(label *Label) error {
if !LabelColorPattern.MatchString(label.Color) {
return fmt.Errorf("bad color code: %s", label.Color)
}

// normalize case
label.Color = strings.ToLower(label.Color)

// add leading hash
if label.Color[0] != '#' {
label.Color = "#" + label.Color
}

// convert 3-character shorthand into 6-character version
if len(label.Color) == 4 {
r := label.Color[1]
g := label.Color[2]
b := label.Color[3]
label.Color = fmt.Sprintf("#%c%c%c%c%c%c", r, r, g, g, b, b)
}

return newLabel(db.GetEngine(db.DefaultContext), label)
}

Expand Down
8 changes: 6 additions & 2 deletions models/issue_label_test.go
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Expand Up @@ -38,11 +38,15 @@ func TestNewLabels(t *testing.T) {
assert.NoError(t, unittest.PrepareTestDatabase())
labels := []*Label{
{RepoID: 2, Name: "labelName2", Color: "#123456"},
{RepoID: 3, Name: "labelName3", Color: "#23456F"},
{RepoID: 3, Name: "labelName3", Color: "#123"},
{RepoID: 4, Name: "labelName4", Color: "ABCDEF"},
{RepoID: 5, Name: "labelName5", Color: "DEF"},
}
assert.Error(t, NewLabel(&Label{RepoID: 3, Name: "invalid Color", Color: ""}))
assert.Error(t, NewLabel(&Label{RepoID: 3, Name: "invalid Color", Color: "123456"}))
assert.Error(t, NewLabel(&Label{RepoID: 3, Name: "invalid Color", Color: "#45G"}))
assert.Error(t, NewLabel(&Label{RepoID: 3, Name: "invalid Color", Color: "#12345G"}))
assert.Error(t, NewLabel(&Label{RepoID: 3, Name: "invalid Color", Color: "45G"}))
assert.Error(t, NewLabel(&Label{RepoID: 3, Name: "invalid Color", Color: "12345G"}))
for _, label := range labels {
unittest.AssertNotExistsBean(t, label)
}
Expand Down
2 changes: 1 addition & 1 deletion services/forms/repo_form.go
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Expand Up @@ -549,7 +549,7 @@ type CreateLabelForm struct {
ID int64
Title string `binding:"Required;MaxSize(50)" locale:"repo.issues.label_title"`
Description string `binding:"MaxSize(200)" locale:"repo.issues.label_description"`
Color string `binding:"Required;Size(7)" locale:"repo.issues.label_color"`
Color string `binding:"Required;MaxSize(7)" locale:"repo.issues.label_color"`
}

// Validate validates the fields
Expand Down