Sending Webmentions #10
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@ -151,16 +151,26 @@ func (OwlHtmlParser) GetWebmentionEndpoint(resp *http.Response) (string, error)
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requestUrl := resp.Request.URL
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// Check link headers
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for _, link := range resp.Header["Link"] {
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if strings.Contains(link, "rel=\"webmention\"") || strings.Contains(link, "rel=webmention") {
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link := strings.Split(link, ";")[0]
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for _, linkHeader := range resp.Header["Link"] {
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linkHeaderParts := strings.Split(linkHeader, ",")
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for _, linkHeaderPart := range linkHeaderParts {
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linkHeaderPart = strings.TrimSpace(linkHeaderPart)
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params := strings.Split(linkHeaderPart, ";")
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if len(params) != 2 {
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continue
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}
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for _, param := range params[1:] {
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param = strings.TrimSpace(param)
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if strings.Contains(param, "webmention") {
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link := strings.Split(params[0], ";")[0]
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link = strings.Trim(link, "<>")
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linkUrl, err := url.Parse(link)
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if err != nil {
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return "", err
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}
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return requestUrl.ResolveReference(linkUrl).String(), nil
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}
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}
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}
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}
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@ -103,6 +103,23 @@ func TestGetWebmentionEndpointLinkHeader(t *testing.T) {
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}
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}
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func TestGetWebmentionEndpointLinkHeaderCommas(t *testing.T) {
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html := []byte("")
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parser := &owl.OwlHtmlParser{}
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resp := constructResponse(html)
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resp.Header = http.Header{
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"Link": []string{"<https://webmention.rocks/test/19/webmention/error>; rel=\"other\", <https://webmention.rocks/test/19/webmention>; rel=\"webmention\""},
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}
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endpoint, err := parser.GetWebmentionEndpoint(resp)
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if err != nil {
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t.Errorf("Unable to parse feed: %v", err)
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}
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if endpoint != "https://webmention.rocks/test/19/webmention" {
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t.Errorf("Wrong endpoint. Expected %v, got %v", "https://webmention.rocks/test/19/webmention", endpoint)
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}
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}
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func TestGetWebmentionEndpointRelativeLink(t *testing.T) {
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html := []byte("<link rel=\"webmention\" href=\"/webmention\" />")
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parser := &owl.OwlHtmlParser{}
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