public HttpRequest signRequest()

in aliyun-java-sdk-core/src/main/java/com/aliyuncs/RpcAcsRequest.java [145:225]
80 lines of code
23 McCabe index (conditional complexity)

    public HttpRequest signRequest(Signer signer, AlibabaCloudCredentials credentials, FormatType format,
                                   ProductDomain domain) throws InvalidKeyException, IllegalStateException,
            UnsupportedEncodingException, NoSuchAlgorithmException {
        this.resolveSignatureComposer();
        Map<String, String> headerMap = new HashMap<String, String>();
        Map<String, String> bodyParams = this.getSysBodyParameters();
        String hashedRequestPayload = hexEncode(signer != null ? signer.hash("".getBytes("UTF-8")) : null);
        if (bodyParams != null && !bodyParams.isEmpty()) {
            byte[] data;
            if (FormatType.JSON == this.getHttpContentType()) {
                data = ParameterHelper.getJsonData(bodyParams);
            } else if (FormatType.XML == this.getHttpContentType()) {
                data = ParameterHelper.getXmlData(bodyParams);
            } else {
                // For contentType RAW and Form, the actual data format will be form
                data = ParameterHelper.getFormData(bodyParams);
            }
            this.setHttpContent(data, "UTF-8", null);
            hashedRequestPayload = hexEncode(signer != null ? signer.hash(data) : null);
        }
        Map<String, String> imutableMap = this.composer.refreshSignParameters(this.getSysQueryParameters(), signer, null,
                format);
        headerMap.putAll(this.getSysHeaders());
        headerMap = this.composer.refreshSignParameters(headerMap, signer, null, null);
        if (imutableMap.get("RegionId") == null && this.getSysRegionId() != null && !this.getSysRegionId().isEmpty()) {
            if ((bodyParams == null || bodyParams.get("RegionId") == null)) {
                imutableMap.put("RegionId", getSysRegionId());
            }
        }
        if (null != signer && null != credentials && !(credentials instanceof AnonymousCredentials)) {
            String accessKeyId = credentials.getAccessKeyId();
            String accessSecret = credentials.getAccessKeySecret();
            if (credentials instanceof BasicSessionCredentials) {
                String sessionToken = ((BasicSessionCredentials) credentials).getSessionToken();
                if (null != sessionToken) {
                    imutableMap.put("SecurityToken", sessionToken);
                    headerMap.put("x-acs-security-token", sessionToken);
                }
            }
            if (credentials instanceof BearerTokenCredentials) {
                String bearerToken = ((BearerTokenCredentials) credentials).getBearerToken();
                if (null != ((BearerTokenCredentials) credentials).getBearerToken()) {
                    imutableMap.put("BearerToken", bearerToken);
                    headerMap.put("x-acs-bearer-token", bearerToken);
                }
            }
            if (signer.getContent() != null && hashedRequestPayload != null) {
                headerMap.put(signer.getContent(), hashedRequestPayload);
            }
            imutableMap.put("AccessKeyId", accessKeyId);
            if (this.getSysSignatureVersion() == SignatureVersion.V3) {
                String strToSign = this.composer.composeStringToSign(this.getSysMethod(), null, signer,
                        this.getSysQueryParameters(), headerMap, null) + "\n" + hashedRequestPayload;
                this.strToSign = strToSign;
                strToSign = signer.getSignerName() + "\n" + hexEncode(signer.hash(strToSign.getBytes("UTF-8")));
                String signature = signer.signString(strToSign, accessSecret);
                headerMap.put("Authorization", this.composer.getAuthorization(signer, accessKeyId, signature)
                        + ",SignedHeaders=" + this.getSysSignedHeaders(headerMap));
                imutableMap = this.getSysQueryParameters();
            } else {
                Map<String, String> paramsToSign = new HashMap<String, String>();
                paramsToSign.putAll(bodyParams);
                paramsToSign.putAll(imutableMap);
                String strToSign = this.composer.composeStringToSign(
                        this.getSysMethod(), null, signer, paramsToSign, null, null);
                this.strToSign = strToSign;
                String signature;
                if (credentials instanceof KeyPairCredentials) {
                    signature = signer.signString(strToSign, credentials);
                } else {
                    signature = signer.signString(strToSign, accessSecret + "&");
                }
                imutableMap.put("Signature", this.composer.getAuthorization(signer, accessKeyId, signature));
                headerMap.clear();
                headerMap.putAll(this.getSysHeaders());
            }
        }
        this.setSysUrl(this.composeUrl(domain.getDomainName(), imutableMap));
        this.headers = headerMap;
        return this;
    }