66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
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package telemetry
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import (
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"fmt"
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"net/url"
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"regexp"
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"strings"
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)
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var (
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urlSchemeRegExp = regexp.MustCompile(`^[^:]+://`)
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scpLikeURLRegExp = regexp.MustCompile(`^(?:(?P<user>[^@]+)@)?(?P<host>[^:\s]+):(?:(?P<port>[0-9]{1,5})(?:\/|:))?(?P<path>[^\\].*\/[^\\].*)$`)
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)
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func parseGitURL(endpoint string) (string, error) {
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if e, ok := parseSCPLike(endpoint); ok {
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return e, nil
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}
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return parseURL(endpoint)
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}
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func parseURL(endpoint string) (string, error) {
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u, err := url.Parse(endpoint)
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if err != nil {
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return "", err
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}
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if !u.IsAbs() {
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return "", fmt.Errorf(
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"invalid endpoint: %s", endpoint,
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)
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}
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return fmt.Sprintf("%s%s", u.Hostname(), u.Path), nil
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}
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func parseSCPLike(endpoint string) (string, bool) {
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if matchesURLScheme(endpoint) || !matchesScpLike(endpoint) {
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return "", false
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}
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_, host, _, path := findScpLikeComponents(endpoint)
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return fmt.Sprintf("%s/%s", host, strings.TrimSuffix(path, ".git")), true
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}
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// matchesURLScheme returns true if the given string matches a URL-like
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// format scheme.
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func matchesURLScheme(url string) bool {
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return urlSchemeRegExp.MatchString(url)
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}
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// matchesScpLike returns true if the given string matches an SCP-like
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// format scheme.
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func matchesScpLike(url string) bool {
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return scpLikeURLRegExp.MatchString(url)
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}
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// findScpLikeComponents returns the user, host, port and path of the
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// given SCP-like URL.
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func findScpLikeComponents(url string) (user, host, port, path string) {
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m := scpLikeURLRegExp.FindStringSubmatch(url)
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return m[1], m[2], m[3], m[4]
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}
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