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com.alibaba.csb.sdk.internel.HttpClientHelper Maven / Gradle / Ivy
package com.alibaba.csb.sdk.internel;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.security.InvalidParameterException;
import java.util.*;
import java.util.Map.Entry;
import com.alibaba.csb.sdk.*;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import com.alibaba.csb.sdk.ContentBody.Type;
import com.alibaba.csb.sdk.security.SignUtil;
//import com.alibaba.fastjson.JSONObject;
/**
* HttpClient Helper Class
*
*/
public class HttpClientHelper {
public static void printDebugInfo(String msg) {
if (SdkLogger.isLoggable())
SdkLogger.print(msg);
}
public static void mergeParams(Map> urlParamsMap, Map paramsMap, boolean decodeFlag) throws HttpCallerException {
if (paramsMap != null) {
//decode all params first, due to it will be encode to construct the request URL later
String value;
for (Entry kv:paramsMap.entrySet()) {
value = decodeValue(kv.getKey(), kv.getValue(), decodeFlag);
urlParamsMap.put(kv.getKey(), Arrays.asList(value));
}
}
}
/**
* 根据输入的参数，关键值和扩展签名头列表 生成签名并返回最终的签名头列表
* @param paramsMap
* @param apiName
* @param version
* @param accessKey
* @param securityKey
* @param extSignHeaders 放在extSignHeaders里的kv都参与签名
* @return
*/
public static Map newParamsMap(Map> paramsMap, String apiName, String version,
String accessKey, String securityKey, boolean timestampFlag, boolean nonceFlag, Map extSignHeaders, final StringBuffer signDiagnosticInfo, String spiImpl) {
return SignUtil.newParamsMap(paramsMap, apiName, version, accessKey, securityKey, timestampFlag, nonceFlag, extSignHeaders, signDiagnosticInfo, spiImpl);
}
public static String trimWhiteSpaces(String value) {
if (value == null) return value;
return value.trim();
}
public static String trimUrl(String requestURL) {
int pos = requestURL.indexOf("?");
String ret = requestURL;
if (pos >= 0) {
ret = requestURL.substring(0, pos);
}
return ret;
}
public static void validateParams(String apiName, String accessKey, String securityKey, Map paramsMap) throws HttpCallerException {
if (apiName == null)
throw new HttpCallerException(new InvalidParameterException("param apiName can not be null!"));
if (accessKey != null && securityKey == null)
throw new HttpCallerException(
new InvalidParameterException("param securityKey can not be null for a given accessKey!"));
if (paramsMap != null) {
for (Entry kv:paramsMap.entrySet()) {
if (kv.getValue() == null) {
throw new HttpCallerException(new InvalidParameterException(
String.format("bad parasMap, the value for key [ %s ] is null, please remove the key or set its value, e.g. \"\"!", kv.getKey())));
}
}
}
}
private static String decodeValue(String key, String value, boolean decodeFlag) throws HttpCallerException {
if (decodeFlag) {
if (value == null ) {
throw new HttpCallerException("bad params, the value for key {"+key+"} is null!");
}
return URLDecoder.decode(value);
}
return value;
}
/**
* Parse URL parameters to Map, url-decode all values
* @param requestURL
* @return
* @throws HttpCallerException
*/
public static Map> parseUrlParamsMap(String requestURL, boolean decodeFlag) throws HttpCallerException {
boolean questionMarkFlag = requestURL.contains("?");
Map> urlParamsMap = new HashMap>();
String key;
String value;
if (questionMarkFlag) {
// parse params
int pos = requestURL.indexOf("?");
String paramStr = requestURL.substring(pos + 1);
// requestURL = requestURL.substring(0, pos);
// The caller needs to ensure the url-encode for a parameter value!!
String[] params = paramStr.split("&");
for (String param : params) {
pos = param.indexOf("=");
if (pos <= 0) {
throw new HttpCallerException("bad request URL, url params error:" + requestURL);
}
key = decodeValue("", param.substring(0, pos), decodeFlag);
value = param.substring(pos + 1);
List values = urlParamsMap.get(key);
if (values == null) {
values = new ArrayList();
}
values.add(decodeValue(key, value, decodeFlag));
urlParamsMap.put(key, values);
}
}
return urlParamsMap;
}
//
// public static StringEntity jsonProcess(Map params) {
// JSONObject jsonParam = new JSONObject();
// for (Entry entry : params.entrySet())
// jsonParam.put(entry.getKey(), entry.getValue());
//
// StringEntity entity = new StringEntity(jsonParam.toString(), HTTP.UTF_8);// 解决中文乱码问题
// entity.setContentEncoding(HTTP.UTF_8);
// entity.setContentType("application/json");
// return entity;
// }
private static void setHeaders(HttpPost httpPost, Map newParamsMap) {
if (newParamsMap != null) {
for(Entry kv: newParamsMap.entrySet())
httpPost.addHeader(kv.getKey(), kv.getValue());
}
}
public static void setHeaders(HttpGet httpGet, Map newParamsMap) {
if (newParamsMap != null) {
for(Entry kv: newParamsMap.entrySet())
httpGet.addHeader(kv.getKey(), kv.getValue());
}
}
public static String genCurlHeaders(Map newParamsMap) {
if (newParamsMap != null) {
StringBuffer sb = new StringBuffer();
for(Entry kv: newParamsMap.entrySet())
sb.append("-H \"").append(kv.getKey()).append(":").append(kv.getValue()).append("\" ");
return sb.toString();
}else
return "";
}
public static String createPostCurlString(String url, Map params, Map headerParams, ContentBody cb, Map directHheaderParamsMap) {
StringBuffer sb = new StringBuffer("curl ");
//透传的http headers
sb.append(genCurlHeaders(directHheaderParamsMap));
sb.append(genCurlHeaders(headerParams));
if (params != null) {
StringBuffer postSB = new StringBuffer();
for(Entry e:params.entrySet()){
if(postSB.length()>0)
postSB.append("&");
postSB.append(e.getKey()).append("=").append(URLEncoder.encode(e.getValue()));
}
if (postSB.length() > 0) {
sb.append(" -d \"");
postSB.append("\"");
sb.append(postSB.toString());
} else {
sb.append("--data ''");
}
} else {
// set params as
//FIXME need this ??
sb.append("--data '");
sb.append(urlEncodedString(toNVP(params), HTTP.UTF_8));
sb.append("'");
}
sb.append(" --insecure ");
sb.append("\"");
sb.append(url);
sb.append("\"");
return sb.toString();
}
private static String urlEncodedString(List parameters, String charset) {
return URLEncodedUtils.format(parameters,
charset != null ? charset : HTTP.DEF_CONTENT_CHARSET.name());
}
public static HttpPost createPost(final String url, Map urlParams, Map headerParams, ContentBody cb) {
//set both cb and urlParams
String newUrl = url;
if (cb != null && urlParams != null)
if (urlParams != null) {
List nvps = toNVP(urlParams);
String newParamStr = urlEncodedString(nvps, HTTP.UTF_8);
if (!url.contains("?")) {
newUrl = String.format("%s?%s", url, newParamStr);
} else {
newUrl = String.format("%s&%s", url, newParamStr);
}
}
printDebugInfo("new requestURL=" + newUrl);
HttpPost httpost = new HttpPost(newUrl);
setHeaders(httpost, headerParams);
if (cb == null) {
List nvps = toNVP(urlParams);
try {
httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
} else {
if (cb.getContentType() == Type.JSON) {
StringEntity entity = new StringEntity((String)cb.getContentBody(), HTTP.UTF_8);// 解决中文乱码问题
entity.setContentType(Type.JSON.getContentType());
httpost.setEntity(entity);
}else {
//binary
httpost.setHeader(HTTP.CONTENT_TYPE, Type.BINARY.getContentType());
ByteArrayEntity be = new ByteArrayEntity((byte[])cb.getContentBody());
httpost.setEntity(be);
}
}
return httpost;
}
private static List toNVP(Map urlParams) {
List nvps = new ArrayList();
//fix NPE
if (urlParams != null) {
Set keySet = urlParams.keySet();
for (String key : keySet) {
nvps.add(new BasicNameValuePair(key, urlParams.get(key)));
}
}
return nvps;
}
public static void setDirectHeaders(HttpPost httpPost, Map directHheaderParamsMap) {
if (directHheaderParamsMap == null) {
//do nothing
return;
} else {
for(Entry kv:directHheaderParamsMap.entrySet()) {
if (kv.getKey() == null) {
//log.info("ignore empty key");
} else {
if (HTTP.CONTENT_TYPE.equals(kv.getKey()) || !httpPost.containsHeader(kv.getKey())) {
// direct header has no chance to overwrite the normal headers, except it is the content-type
httpPost.addHeader(kv.getKey(), kv.getValue());
}
}
}
}
}
public static String getUrlPathInfo(String url) throws HttpCallerException{
URL urlStr = null;
try {
urlStr = new URL(url);
}catch (Exception e){
throw new HttpCallerException("url is unformat, url is " + url);
}
String path = urlStr.getPath();
return path;
}
public static String fetchResHeaders(final HttpResponse response) {
if (response != null) {
StringBuffer body = new StringBuffer();
//add response http status
body.append(String.format("\"%s\":\"%s\"", "HTTP-STATUS", response.getStatusLine()));
for (Header header:response.getAllHeaders()) {
if(body.length() > 0)
body.append(",");
body.append(String.format("\"%s\":\"%s\"", header.getName(), header.getValue()));
}
return String.format("{%s}", body.toString());
}
return null;
}
public static String generateAsEncodeRequestUrl(String requestURL, Map> urlParamsMap) {
requestURL = HttpClientHelper.trimUrl(requestURL);
StringBuffer params = new StringBuffer();
for (Entry> kv : urlParamsMap.entrySet()) {
if (params.length() > 0) {
params.append("&");
}
if (kv.getValue() != null) {
List vlist = kv.getValue();
for (String v : vlist) {
params.append(URLEncoder.encode(kv.getKey())).append("=").append(URLEncoder.encode(v));
}
}
}
String newRequestURL = requestURL;
if (params.length() > 0)
newRequestURL += "?" + params.toString();
HttpClientHelper.printDebugInfo("-- requestURL=" + newRequestURL);
return newRequestURL;
}
}
