本文为您介绍URL鉴权的代码示例(Python、Java、Go、PHP和C#)，您可以根据业务需要，方便的对URL进行鉴权处理。
URL鉴权规则请参见
说明
代码示例中的key参数对应控制台中URL鉴权的主KEY或备KEY。可在在直播控制台的域名管理>直播管理>访问控制>URL鉴权页面中的鉴权URL设置模块中配置或查看。
生成推流地址时，key需要使用推流域名的主KEY或备KEY。
生成播放地址时，key需要使用播流域名的主KEY或备KEY。
Python代码示例import re
import time
import hashlib
import datetime
def md5sum(src):
m = hashlib.md5()
m.update(src)
return m.hexdigest()
def a_auth(uri, key, exp):
p = re.compile("^(rtmp://)?([^/?]+)(/[^?]*)?(\\?.*)?$")
if not p:
return None
m = p.match(uri)
scheme, host, path, args = m.groups()
if not scheme: scheme = "rtmp://"
if not path: path = "/"
if not args: args = ""
rand = "0" # "0" by default, other value is ok
uid = "0" # "0" by default, other value is ok
sstring = "%s-%s-%s-%s-%s" %(path, exp, rand, uid, key)
hashvalue = md5sum(sstring.encode('utf-8'))
auth_key = "%s-%s-%s-%s" %(exp, rand, uid, hashvalue)
if args:
return "%s%s%s%s&auth_key=%s" %(scheme, host, path, args, auth_key)
else:
return "%s%s%s%s?auth_key=%s" %(scheme, host, path, args, auth_key)
def main():
uri = "rtmp://video-center.alivecdn.com/test/test?vhost=xc.cdnpe.com" # original uri
key = "" # private key of authorization
exp = int(time.time()) + 1 * 3600 # expiration time: 1 hour after current itme
authuri = a_auth(uri, key, exp) # auth type:
print("URL : %s\nAUTH: %s" %(uri, authuri))
if __name__ == "__main__":
main()
Java代码示例import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class AuthDemo {
private static String md5Sum(String src) {
MessageDigest md5 = null;
try {
md5 = MessageDigest.getInstance("MD5");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
md5.update(StandardCharsets.UTF_8.encode(src));
return String.format("%032x", new BigInteger(1, md5.digest()));
}
private static String aAuth(String uri, String key, long exp) {
String pattern = "^(rtmp://)?([^/?]+)(/[^?]*)?(\\\\?.*)?$";
Pattern r = Pattern.compile(pattern);
Matcher m = r.matcher(uri);
String scheme = "", host = "", path = "", args = "";
if (m.find()) {
scheme = m.group(1) == null ? "rtmp://" : m.group(1);
host = m.group(2) == null ? "" : m.group(2);
path = m.group(3) == null ? "/" : m.group(3);
args = m.group(4) == null ? "" : m.group(4);
} else {
System.out.println("NO MATCH");
}
String rand = "0"; // "0" by default, other value is ok
String uid = "0"; // "0" by default, other value is ok
String sString = String.format("%s-%s-%s-%s-%s", path, exp, rand, uid, key);
String hashValue = md5Sum(sString);
String authKey = String.format("%s-%s-%s-%s", exp, rand, uid, hashValue);
if (args.isEmpty()) {
return String.format("%s%s%s%s?auth_key=%s", scheme, host, path, args, authKey);
} else {
return String.format("%s%s%s%s&auth_key=%s", scheme, host, path, args, authKey);
}
}
public static void main(String[] args) {
String uri = "rtmp://play.example.com/live/test"; // original uri
String key = ""; // private key of authorization
long exp = System.currentTimeMillis() / 1000 + 1 * 3600; // expiration time: 1 hour after current time
String authUri = aAuth(uri, key, exp); // auth type:
System.out.printf("URL : %s\nAuth: %s", uri, authUri);
}
}
Go代码示例package mainimport (
"crypto/md5"
"encoding/hex"
"fmt"
"regexp"
"time"
)
func md5sum(src string) string {
h := md5.New()
h.Write([]byte(src))
return hex.EncodeToString(h.Sum(nil))
}
func a_auth(uri, key string, exp int64) string {
p, err := regexp.Compile("^(rtmp://)?([^/?]+)(/[^?]*)?(\\?.*)?$")
if err != nil {
fmt.Println(err)
return ""
}
m := p.FindStringSubmatch(uri)
var scheme, host, path, args string
if len(m) == 5 {
scheme, host, path, args = m[1], m[2], m[3], m[4]
} else {
scheme, host, path, args = "rtmp://", "", "/", ""
}
rand := "0" // "0" by default, other value is ok
uid := "0" // "0" by default, other value is ok
sstring := fmt.Sprintf("%s-%d-%s-%s-%s", path, exp, rand, uid, key)
hashvalue := md5sum(sstring)
auth_key := fmt.Sprintf("%d-%s-%s-%s", exp, rand, uid, hashvalue)
if len(args) != 0 {
return fmt.Sprintf("%s%s%s%s&auth_key=%s", scheme, host, path, args, auth_key)
} else {
return fmt.Sprintf("%s%s%s%s?auth_key=%s", scheme, host, path, args, auth_key)
}
}
func main() {
uri := "rtmp://play.example.com/live/test" // original uri
key := "" // private key of authorization
exp := time.Now().Unix() + 3600 // expiration time: 1 hour after current itme
authuri := a_auth(uri, key, exp) // auth type:
fmt.Printf("URL : %s\nAUTH: %s", uri, authuri)
}
PHP代码示例<?php
function a_auth($uri, $key, $exp) {
preg_match("/^(rtmp:\/\/)?([^\/?]+)?(\/[^?]*)?(\\?.*)?$/", $uri, $matches);
$scheme = $matches[1];
$host = $matches[2];
$path = $matches[3];
$args = $matches[4];
if (empty($args)) {
$args ="";
}
if (empty($scheme)) {
$scheme ="rtmp://";
}
if (empty($path)) {
$path ="/";
}
$rand = "0";
// "0" by default, other value is ok
$uid = "0";
// "0" by default, other value is ok
$sstring = sprintf("%s-%u-%s-%s-%s", $path, $exp, $rand, $uid, $key);
$hashvalue = md5($sstring);
$auth_key = sprintf("%u-%s-%s-%s", $exp, $rand, $uid, $hashvalue);
if ($args) {
return sprintf("%s%s%s%s&auth_key=%s", $scheme, $host, $path, $args, $auth_key);
} else {
return sprintf("%s%s%s%s?auth_key=%s", $scheme, $host, $path, $args, $auth_key);
}
}
$uri = "rtmp://play.example.com/live/test";
$key = "";
$exp = time() + 3600;
$authuri = a_auth($uri, $key, $exp);
echo "URL :" . $uri;
echo PHP_EOL;
echo "AUTH:" . $authuri;
?>
C#代码示例using System;
using System.Text.RegularExpressions;
using System.Security.Cryptography;
using System.Text;
public class Test
{
public static void Main()
{
string uri= "rtmp://play.example.com/live/test"; // original uri
string key= ""; // private key of authorization
DateTime dateStart = new DateTime(1970, 1, 1, 8, 0, 0);
string exp = Convert.ToInt64((DateTime.Now - dateStart).TotalSeconds+3600).ToString(); // expiration time: 1 hour after current time
string authUri = aAuth(uri, key, exp);
Console.WriteLine (String.Format("URL :{0}",uri));
Console.WriteLine (String.Format("AUTH :{0}",authUri));
}
public static string aAuth(string uri, string key, string exp)
{
Regex regex = new Regex("^(rtmp://)?([^/?]+)(/[^?]*)?(\\\\?.*)?$");
Match m = regex.Match(uri);
string scheme = "rtmp://", host = "", path = "/", args = "";
if (m.Success)
{
scheme=m.Groups[1].Value;
host=m.Groups[2].Value;
path=m.Groups[3].Value;
args=m.Groups[4].Value;
}else{
Console.WriteLine ("NO MATCH");
}
string rand = "0"; // "0" by default, other value is ok
string uid = "0"; // "0" by default, other value is ok
string u = String.Format("{0}-{1}-{2}-{3}-{4}", path, exp, rand, uid, key);
string hashValue = Md5(u);
string authKey = String.Format("{0}-{1}-{2}-{3}", exp, rand, uid, hashValue);
if (args=="")
{
return String.Format("{0}{1}{2}{3}?auth_key={4}", scheme, host, path, args, authKey);
} else
{
return String.Format("{0}{1}{2}{3}&auth_key={4}", scheme, host, path, args, authKey);
}
}
public static string Md5(string value)
{
MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider();
byte[] bytes = Encoding.ASCII.GetBytes(value);
byte[] encoded = md5.ComputeHash(bytes);
StringBuilder sb = new StringBuilder();
for(int i=0; i
{
sb.Append(encoded[i].ToString("x2"));
}
return sb.ToString();
}
}