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// +-------------------------------------------------------------------------
// | Copyright (C) 2016 Yunify, Inc.
// +-------------------------------------------------------------------------
// | Licensed under the Apache License, Version 2.0 (the "License");
// | you may not use this work except in compliance with the License.
// | You may obtain a copy of the License in the LICENSE file, or at:
// |
// | http://www.apache.org/licenses/LICENSE-2.0
// |
// | Unless required by applicable law or agreed to in writing, software
// | distributed under the License is distributed on an "AS IS" BASIS,
// | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// | See the License for the specific language governing permissions and
// | limitations under the License.
// +-------------------------------------------------------------------------
package com.qingcloud.sdk.utils;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.qingcloud.sdk.config.EnvContext;
import com.qingcloud.sdk.constants.QCConstant;
import com.qingcloud.sdk.exception.QCException;
import com.qingcloud.sdk.model.RequestInputModel;
import java.io.UnsupportedEncodingException;
import java.math.BigDecimal;
import java.util.*;
import static com.qingcloud.sdk.constants.QCConstant.ENCODING_UTF8;
import static com.qingcloud.sdk.utils.QCSignatureUtil.computeIaasSignature;
import static com.qingcloud.sdk.utils.QCSignatureUtil.formatIso8601Date;
import static com.qingcloud.sdk.utils.QCStringUtil.percentEncode;
public class QCJSONUtil {
private static final List PRIMITIVE_TYPES = new ArrayList<>(Arrays.asList(Boolean.class, String.class, Integer.class, Double.class, Long.class, Float.class, null, BigDecimal.class));
public static String parseRequestParams(RequestInputModel inputModel, EnvContext envContext, String httpMethod) throws QCException {
ObjectMapper oMapper = new ObjectMapper();
Map parameters = oMapper.convertValue(inputModel, Map.class);
parameters.put("version", "1");
parameters.put("signature_version", "1");
parameters.put("signature_method", "HmacSHA256");
parameters.put("access_key_id", envContext.getAccessKey());
parameters.put("api_lang", envContext.getApiLang());
parameters.put("time_stamp", formatIso8601Date(new Date()));
String uri = null;
StringBuilder sbUri = new StringBuilder();
// sort keys
String[] keys = parameters.keySet().toArray(new String[] {});
Arrays.sort(keys);
try {
for (String key : keys) {
Object value = parameters.get(key);
if (value == null) {
continue;
}
String encodedKey, encodedVal;
if (PRIMITIVE_TYPES.contains(value.getClass())){
String valueStr = String.valueOf(value);
encodedKey = percentEncode(key, ENCODING_UTF8);
encodedVal = percentEncode(valueStr, QCConstant.ENCODING_UTF8);
sbUri.append(encodedKey).append("=").append(encodedVal).append("&");
} else if (value instanceof List) {
int count = ((List) value).size();
List listKeys = new ArrayList<>();
for (int i = 0; i < count; i++) {
encodedKey = percentEncode(String.format("%s.%d", key, i+1), ENCODING_UTF8);
listKeys.add(encodedKey);
}
Collections.sort(listKeys);
for (int i = 0; i < count; i++) {
encodedKey = listKeys.get(i);
Object item = ((List) value).get(i);
if (item instanceof String) {
String itemStr = (String) item;
encodedVal = percentEncode(itemStr, ENCODING_UTF8);
sbUri.append(encodedKey).append("=").append(encodedVal).append("&");
} else if (item instanceof Map) {
// specified handler for GetMonitors post structure
for (Object itemKey : ((Map) item).keySet()) {
String deepEncodedKey = String.format("%s.%s", encodedKey, percentEncode((String) itemKey, ENCODING_UTF8));
Object deepItem = ((Map) item).get(itemKey);
String deepItemStr;
if (deepItem instanceof String) {
deepItemStr = (String) deepItem;
} else {
deepItemStr = oMapper.writeValueAsString(deepItem);
}
encodedVal = percentEncode(deepItemStr, ENCODING_UTF8);
sbUri.append(deepEncodedKey).append("=").append(encodedVal).append("&");
}
} else {
throw new QCException(String.format("Failed to parse input model: %s!", oMapper.writeValueAsString(inputModel)));
}
}
} else {
throw new QCException(String.format("Failed to parse input model: %s!", oMapper.writeValueAsString(inputModel)));
}
}
String tmp = sbUri.toString();
String uriNotSigned = tmp.substring(0, tmp.length()-1);
String signature = computeIaasSignature(httpMethod, envContext.getUri(), uriNotSigned, envContext.getAccessSecret());
uri = String.format("%s&signature=%s", uriNotSigned, signature);
} catch (UnsupportedEncodingException | JsonProcessingException e) {
e.printStackTrace();
}
return uri;
}
}