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最近更新时间：2021-09-08 16:37:10
数据库的openAPI支持GET和POST两种HTTP方法，具体流程请参见签名机制。
import hashlib
import hmac
import time
import urllib.request
import requests
# Python 3.9.6
def http_execute(methed, host, heads, data=None):
url = 'https://%s/?' % host
for key in data:
url += urllib.request.quote(key, '~') + '=' + urllib.request.quote(str(data[key]), '~') + '&'
response = requests.request(methed, url, headers=heads, data=None)
return response;
# sigon方法
def sign(params, secret_key):
str_encode = ''
param_keys = sorted(params.keys())
for key in param_keys:
str_encode += urllib.request.quote(key, '~') + '=' + urllib.request.quote(str(params[key]), '~') + '&'
return hmac.new(bytes(secret_key, 'utf-8'), bytes(str_encode[:-1], 'utf-8'), hashlib.sha256).hexdigest()
class ksyun_iam_api_tools():
"""金山云API相关"""
def __init__(self):
self.AK = 'your_ak'
self.SK = 'your_sk'
self.SERVICE = "krds"
self.REGION = "cn-beijing-6"
self.HOST = "%s.%s.api.ksyun.com" % (self.SERVICE, self.REGION)
self.additional_headers = {'Accept': 'application/json'}
def describe_db_instances(self):
data = {
'Accesskey': self.AK,
'Service': 'krds',
'Action': 'DescribeDBInstances',
'Version': '2016-07-01',
'Timestamp': time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()), # 使用UTC格式的时间
'SignatureVersion': '1.0',
'SignatureMethod': 'HMAC-SHA256',
}
data["Signature"] = sign(data, self.SK)
return http_execute("GET", self.HOST, self.additional_headers, data)
if __name__ == '__main__':
api = ksyun_iam_api_tools()
instances = api.describe_db_instances()
print(instances.text)
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import org.apache.commons.codec.digest.HmacAlgorithms;
import org.apache.commons.codec.digest.HmacUtils;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
// jdk1.8.0_241
public class ram_demo {
private static final Pattern ENCODED_CHARACTERS_PATTERN;
static {
StringBuilder pattern = new StringBuilder();
pattern.append(Pattern.quote("+"))
.append("|")
.append(Pattern.quote("*"))
.append("|")
.append(Pattern.quote("%7E"))
.append("|")
.append(Pattern.quote("%2F"));
ENCODED_CHARACTERS_PATTERN = Pattern.compile(pattern.toString());
}
/**
* 注意空格( )会编码成+号，所以+最后需要替换成%20（%20为空格）
* 在URLEncode后需对三种字符替换：加号（+）替换成 %20、星号（*）替换成 %2A、 %7E 替换回波浪号（~）
*/
private static String urlEncode(final String value, final boolean path) {
if (value == null) {
return "";
}
try {
String encoded = URLEncoder.encode(value, StandardCharsets.UTF_8.name());
Matcher matcher = ENCODED_CHARACTERS_PATTERN.matcher(encoded);
StringBuffer buffer = new StringBuffer(encoded.length());
while (matcher.find()) {
String replacement = matcher.group(0);
if ("+".equals(replacement)) {
replacement = "%20";
} else if ("*".equals(replacement)) {
replacement = "%2A";
} else if ("%7E".equals(replacement)) {
replacement = "~";
} else if (path && "%2F".equals(replacement)) {
replacement = "/";
}
matcher.appendReplacement(buffer, replacement);
}
matcher.appendTail(buffer);
return buffer.toString();
} catch (UnsupportedEncodingException ex) {
throw new RuntimeException(ex);
}
}
private static String getCanonicalizedQueryString(Map<String, Object> params) {
final Map<String, String> tmap = new TreeMap<>();
for (Map.Entry<String, Object> entry : params.entrySet()) {
String key = entry.getKey();
Object value = entry.getValue();
String encodedParamName = urlEncode(key, false);
String encodedValues = urlEncode(value.toString(), false);
tmap.put(encodedParamName, encodedValues);
}
final StringBuilder sb = new StringBuilder();
for (Map.Entry<String, String> entry : tmap.entrySet()) {
if (sb.length() > 0) {
sb.append("&");
}
sb.append(entry.getKey()).append('=').append(entry.getValue());
}
return sb.toString();
}
public static String signature(Map<String, Object> params, String secretKey) {
String canonicalizedQueryString = getCanonicalizedQueryString(params);
return new HmacUtils(HmacAlgorithms.HMAC_SHA_256, secretKey).hmacHex(canonicalizedQueryString);
}
public static String utc2Local(String utcTime, String utcTimePatten, String localTimePatten) throws ParseException {
SimpleDateFormat utcFormater = new SimpleDateFormat(utcTimePatten);
utcFormater.setTimeZone(TimeZone.getTimeZone("UTC"));//时区定义并进行时间获取
Date gpsUTCDate = null;
gpsUTCDate = utcFormater.parse(utcTime);
SimpleDateFormat localFormater = new SimpleDateFormat(localTimePatten);
localFormater.setTimeZone(TimeZone.getDefault());
String localTime = localFormater.format(gpsUTCDate.getTime());
return localTime;
}
public static void test1() throws IOException {
String accesskey = "your_ak";
String secretKey = "your_sk";
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
TimeZone zone = TimeZone.getTimeZone("UTC");
Calendar cal = Calendar.getInstance(zone);
sdf.setTimeZone(zone);
Map<String, Object> params = new HashMap<>();
params.put("Accesskey", accesskey); //公共参数
params.put("Service", "krds"); //公共参数
params.put("Action", "DescribeDBInstances"); //公共参数
params.put("Version", "2016-07-01"); //公共参数
params.put("Timestamp", sdf.format(cal.getTime())); //公共参数
params.put("SignatureVersion", "1.0"); //公共参数
params.put("SignatureMethod", "HMAC-SHA256"); //公共参数
params.put("Signature", signature(params, secretKey));
String product_name = "krds";
String region = "cn-beijing-6";
String url = "https://" + product_name + "." + region + ".api.ksyun.com/?" + getCanonicalizedQueryString(params);
OkHttpClient client = new OkHttpClient().newBuilder()
.build();
Request request = new Request.Builder()
.url(url)
.method("GET", null)
.addHeader("Accept", "application/json")
.build();
Response response = client.newCall(request).execute();
System.out.println(new String(response.body().bytes()));
}
public static void main(String[] args) {
try {
test1();
} catch (IOException e) {
e.printStackTrace();
}
}
}
package main
import (
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"time"
)
// go version go1.16.5 darwin/amd64
//获取signature签名
func sign(params url.Values, sk string) string {
strEncode := params.Encode()
strEncode = strings.Replace(strEncode, "+", "%20", -1)
h := hmac.New(sha256.New, []byte(sk))
h.Write([]byte(strEncode))
return hex.EncodeToString(h.Sum(nil))
}
func main() {
params := url.Values{}
params.Add("Accesskey", "your_ak")
params.Add("Service", "krds")
params.Add("Action", "DescribeDBInstances")
params.Add("Version", "2016-07-01")
params.Add("Timestamp", time.Now().UTC().Format("2006-01-02T15:04:05Z")) //通过time.Now().UTC().Format("2006-01-02T15:04:05Z")实现
params.Add("SignatureVersion", "1.0")
params.Add("SignatureMethod", "HMAC-SHA256")
sk := "your_sk"
signature := sign(params, sk)
params.Add("Signature", signature)
strEncode := params.Encode()
strEncode = strings.Replace(strEncode, "+", "%20", -1)
url := "https://krds.cn-beijing-6.api.ksyun.com/?" + strEncode
method := "GET"
client := &http.Client{}
req, _ := http.NewRequest(method, url, nil)
req.Header.Add("Accept", "application/json")
res, _ := client.Do(req)
defer res.Body.Close()
body, _ := ioutil.ReadAll(res.Body)
fmt.Println(string(body))
}
纯净模式