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fix: add content-type check and move TrimSpace to the end

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This commit is contained in:
yinebebt
2024-12-02 14:32:44 +03:00
parent 3fbfc5ceef
commit fb6ebfaa12
1 changed files with 12 additions and 7 deletions
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19
server/linkpreview.go
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@ -92,9 +92,10 @@ func previewLink(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
return
}
if err := json.NewEncoder(w).Encode(extractMetadata(body)); err != nil {
http.Error(w, "Failed to encode response", http.StatusInternalServerError)
if strings.HasPrefix(resp.Header.Get("Content-Type"), "text/html") {
if err := json.NewEncoder(w).Encode(extractMetadata(body)); err != nil {
http.Error(w, "Failed to encode response", http.StatusInternalServerError)
}
}
}
@ -186,14 +187,18 @@ func validateURL(u *url.URL) error {
func sanitizePreview(preview linkPreview) *linkPreview {
if utf8.RuneCountInString(preview.Title) > 80 {
preview.Title = string([]rune(strings.TrimSpace(preview.Title))[:80])
preview.Title = string([]rune(preview.Title)[:80])
}
if utf8.RuneCountInString(preview.Description) > 256 {
preview.Description = string([]rune(strings.TrimSpace(preview.Description))[:256])
preview.Description = string([]rune(preview.Description)[:256])
}
if len(preview.ImageURL) > 2000 {
preview.ImageURL = strings.TrimSpace(preview.ImageURL)[:2000]
preview.ImageURL = preview.ImageURL[:2000]
}
return &preview
return &linkPreview{
Title: strings.TrimSpace(preview.Title),
Description: strings.TrimSpace(preview.Description),
ImageURL: strings.TrimSpace(preview.ImageURL),
}
}