mirror of
https://github.com/aler9/gortsplib
synced 2025-10-05 15:16:51 +08:00
ec81d388d1
* switch from v4 to v5 * remove deprecated entities * remove "2" suffix from entities * rename TransportProtocol into Protocol
91 lines
2.1 KiB
Go
91 lines
2.1 KiB
Go
package base
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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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// URL is a RTSP URL.
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// This is basically an HTTP URL with some additional functions to handle
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// control attributes.
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type URL url.URL
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var escapeRegexp = regexp.MustCompile(`^(.+?)://(.*?)@(.*?)/(.*?)$`)
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// ParseURL parses a RTSP URL.
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func ParseURL(s string) (*URL, error) {
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// https://github.com/golang/go/issues/30611
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m := escapeRegexp.FindStringSubmatch(s)
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if m != nil {
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m[3] = strings.ReplaceAll(m[3], "%25", "%")
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m[3] = strings.ReplaceAll(m[3], "%", "%25")
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s = m[1] + "://" + m[2] + "@" + m[3] + "/" + m[4]
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}
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u, err := url.Parse(s)
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if err != nil {
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return nil, err
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}
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if u.Scheme != "rtsp" && u.Scheme != "rtsps" {
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return nil, fmt.Errorf("unsupported scheme '%s'", u.Scheme)
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}
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if u.Opaque != "" {
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return nil, fmt.Errorf("URLs with opaque data are not supported")
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}
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if u.Fragment != "" {
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return nil, fmt.Errorf("URLs with fragments are not supported")
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}
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return (*URL)(u), nil
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}
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// String implements fmt.Stringer.
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func (u *URL) String() string {
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return (*url.URL)(u).String()
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}
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// Clone clones a URL.
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func (u *URL) Clone() *URL {
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return (*URL)(&url.URL{
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Scheme: u.Scheme,
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User: u.User,
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Host: u.Host,
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Path: u.Path,
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RawPath: u.RawPath,
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ForceQuery: u.ForceQuery,
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RawQuery: u.RawQuery,
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})
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}
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// CloneWithoutCredentials clones a URL without its credentials.
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func (u *URL) CloneWithoutCredentials() *URL {
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return (*URL)(&url.URL{
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Scheme: u.Scheme,
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Host: u.Host,
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Path: u.Path,
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RawPath: u.RawPath,
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ForceQuery: u.ForceQuery,
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RawQuery: u.RawQuery,
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})
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}
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// Hostname returns u.Host, stripping any valid port number if present.
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//
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// If the result is enclosed in square brackets, as literal IPv6 addresses are,
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// the square brackets are removed from the result.
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func (u *URL) Hostname() string {
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return (*url.URL)(u).Hostname()
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}
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// Port returns the port part of u.Host, without the leading colon.
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//
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// If u.Host doesn't contain a valid numeric port, Port returns an empty string.
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func (u *URL) Port() string {
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return (*url.URL)(u).Port()
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}
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