static void sendHttpRequestMethodExpectedCalls()
{
    STRICT_EXPECTED_CALL(environment_get_variable(IGNORED_PTR_ARG)).CallCannotFail();
    STRICT_EXPECTED_CALL(HTTPHeaders_Alloc());
    STRICT_EXPECTED_CALL(HTTPHeaders_AddHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_AddHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(gballoc_malloc(IGNORED_NUM_ARG));
    STRICT_EXPECTED_CALL(UniqueId_Generate(IGNORED_PTR_ARG, IGNORED_NUM_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_AddHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_AddHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_AddHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(gballoc_free(IGNORED_PTR_ARG));    //cannot fail

    STRICT_EXPECTED_CALL(STRING_c_str(IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(IoTHubClient_Auth_Get_SasToken(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_NUM_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_ReplaceHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(STRING_c_str(IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_ReplaceHeaderNameValuePair(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(STRING_delete(IGNORED_PTR_ARG));   //cannot fail
    STRICT_EXPECTED_CALL(STRING_delete(IGNORED_PTR_ARG));   //cannot fail
    STRICT_EXPECTED_CALL(gballoc_free(IGNORED_PTR_ARG));    //cannot fail

    STRICT_EXPECTED_CALL(STRING_c_str(IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPAPIEX_Create(IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(IoTHubClient_Auth_Get_TrustBundle(IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPAPIEX_SetOption(IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPAPIEX_ExecuteRequest(IGNORED_PTR_ARG, HTTPAPI_REQUEST_POST, IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG, IGNORED_PTR_ARG, NULL, IGNORED_PTR_ARG));
    STRICT_EXPECTED_CALL(HTTPHeaders_Free(IGNORED_PTR_ARG));    //cannot fail
    STRICT_EXPECTED_CALL(STRING_delete(IGNORED_PTR_ARG));       //cannot fail
    STRICT_EXPECTED_CALL(HTTPAPIEX_Destroy(IGNORED_PTR_ARG));   //cannot fail
    STRICT_EXPECTED_CALL(gballoc_free(IGNORED_PTR_ARG));        //cannot fail
}
static void http_examples()
{
    HTTPAPIEX_HANDLE handle = HTTPAPIEX_Create("www.bing.com");
    if (handle == NULL)
    {
        LogError("Failed creating httpApiEx handle");
    }
    else
    {
        HTTPAPIEX_Destroy(handle);
    }
}
static IOTHUB_DEVICE_METHOD_RESULT sendHttpRequestDeviceMethod(IOTHUB_SERVICE_CLIENT_DEVICE_METHOD_HANDLE serviceClientDeviceMethodHandle, IOTHUB_DEVICEMETHOD_REQUEST_MODE iotHubDeviceMethodRequestMode, const char* deviceName, BUFFER_HANDLE deviceJsonBuffer, BUFFER_HANDLE responseBuffer)
{
    IOTHUB_DEVICE_METHOD_RESULT result;

    STRING_HANDLE uriResouce;
    STRING_HANDLE accessKey;
    STRING_HANDLE keyName;
    HTTPAPIEX_SAS_HANDLE httpExApiSasHandle;
    HTTPAPIEX_HANDLE httpExApiHandle;
    HTTP_HEADERS_HANDLE httpHeader;

    if ((uriResouce = STRING_construct(serviceClientDeviceMethodHandle->hostname)) == NULL)
    {
        LogError("STRING_construct failed for uriResource");
        result = IOTHUB_DEVICE_METHOD_ERROR;
    }
    else if ((accessKey = STRING_construct(serviceClientDeviceMethodHandle->sharedAccessKey)) == NULL)
    {
        LogError("STRING_construct failed for accessKey");
        STRING_delete(uriResouce);
        result = IOTHUB_DEVICE_METHOD_ERROR;
    }
    else if ((keyName = STRING_construct(serviceClientDeviceMethodHandle->keyName)) == NULL)
    {
        LogError("STRING_construct failed for keyName");
        STRING_delete(accessKey);
        STRING_delete(uriResouce);
        result = IOTHUB_DEVICE_METHOD_ERROR;
    }
    else if ((httpHeader = createHttpHeader()) == NULL)
    {
        LogError("HttpHeader creation failed");
        STRING_delete(keyName);
        STRING_delete(accessKey);
        STRING_delete(uriResouce);
        result = IOTHUB_DEVICE_METHOD_ERROR;
    }
    else if ((httpExApiSasHandle = HTTPAPIEX_SAS_Create(accessKey, uriResouce, keyName)) == NULL)
    {
        LogError("HTTPAPIEX_SAS_Create failed");
        HTTPHeaders_Free(httpHeader);
        STRING_delete(keyName);
        STRING_delete(accessKey);
        STRING_delete(uriResouce);
        result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
    }
    else if ((httpExApiHandle = HTTPAPIEX_Create(serviceClientDeviceMethodHandle->hostname)) == NULL)
    {
        LogError("HTTPAPIEX_Create failed");
        HTTPAPIEX_SAS_Destroy(httpExApiSasHandle);
        HTTPHeaders_Free(httpHeader);
        STRING_delete(keyName);
        STRING_delete(accessKey);
        STRING_delete(uriResouce);
        result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
    }
    else 
    {
        HTTPAPI_REQUEST_TYPE httpApiRequestType = HTTPAPI_REQUEST_GET;
        STRING_HANDLE relativePath;
        unsigned int statusCode = 0;
        unsigned char is_error = 0;

        if (iotHubDeviceMethodRequestMode == IOTHUB_DEVICEMETHOD_REQUEST_INVOKE)
        {
            httpApiRequestType = HTTPAPI_REQUEST_POST;
        }
        else
        {
            is_error = 1;
        }

        if (is_error)
        {
            LogError("Invalid request type");
            result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
        }
        else
        {
            if ((relativePath = createRelativePath(iotHubDeviceMethodRequestMode, deviceName)) == NULL)
            {
                LogError("Failure creating relative path");
                result = IOTHUB_DEVICE_METHOD_ERROR;
            }
            else if (HTTPAPIEX_SAS_ExecuteRequest(httpExApiSasHandle, httpExApiHandle, httpApiRequestType, STRING_c_str(relativePath), httpHeader, deviceJsonBuffer, &statusCode, NULL, responseBuffer) != HTTPAPIEX_OK)
            {
                LogError("HTTPAPIEX_SAS_ExecuteRequest failed");
                STRING_delete(relativePath);
                result = IOTHUB_DEVICE_METHOD_HTTPAPI_ERROR;
            }
            else
            {
                STRING_delete(relativePath);
                if (statusCode == 200)
                {
                    result = IOTHUB_DEVICE_METHOD_OK;
                }
                else
                {
                    LogError("Http Failure status code %d.", statusCode);
                    result = IOTHUB_DEVICE_METHOD_ERROR;
                }
            }
        }
        HTTPAPIEX_Destroy(httpExApiHandle);
        HTTPAPIEX_SAS_Destroy(httpExApiSasHandle);
        HTTPHeaders_Free(httpHeader);
        STRING_delete(keyName);
        STRING_delete(accessKey);
        STRING_delete(uriResouce);
    }
    return result;
}
Пример #4
0
BLOB_RESULT Blob_UploadFromSasUri(const char* SASURI, const unsigned char* source, size_t size)
{
    BLOB_RESULT result;
    /*Codes_SRS_BLOB_02_001: [ If SASURI is NULL then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
    if (SASURI == NULL)
    {
        LogError("parameter SASURI is NULL");
        result = BLOB_INVALID_ARG;
    }
    else
    {
        /*Codes_SRS_BLOB_02_002: [ If source is NULL and size is not zero then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
        if (
            (size > 0) &&
            (source == NULL)
           )
        {
            LogError("combination of source = %p and size = %zd is invalid", source, size);
            result = BLOB_INVALID_ARG;
        }
        /*Codes_SRS_BLOB_02_003: [ If size is bigger or equal to 64M then Blob_UploadFromSasUri shall fail and return BLOB_NOT_IMPLEMENTED. ]*/
        else if (size >= 64 * 1024 * 1024)
        {
            LogError("upload of files greater than 64M is not implemented");
            result = BLOB_NOT_IMPLEMENTED;
        }
        else
        {
            /*Codes_SRS_BLOB_02_004: [ Blob_UploadFromSasUri shall copy from SASURI the hostname to a new const char*. ]*/
            /*to find the hostname, the following logic is applied:*/
            /*the hostname starts at the first character after ":\\"*/
            /*the hostname ends at the first character before the next "\" after ":\\"*/
            const char* hostnameBegin = strstr(SASURI, ":\\\\");
            if (hostnameBegin == NULL)
            {
                /*Codes_SRS_BLOB_02_005: [ If the hostname cannot be determined, then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
                LogError("hostname cannot be determined");
                result = BLOB_INVALID_ARG;
            }
            else
            {
                hostnameBegin += 3; /*have to skip 3 characters which are ":\\"*/
                const char* hostnameEnd = strchr(hostnameBegin, '\\');
                if (hostnameEnd == NULL)
                {
                    /*Codes_SRS_BLOB_02_005: [ If the hostname cannot be determined, then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
                    LogError("hostname cannot be determined");
                    result = BLOB_INVALID_ARG;
                }
                else
                {
                    size_t hostnameSize = hostnameEnd - hostnameBegin;
                    char* hostname = (char*)malloc(hostnameSize + 1); /*+1 because of '\0' at the end*/
                    if (hostname == NULL)
                    {
                        /*Codes_SRS_BLOB_02_016: [ If the hostname copy cannot be made then then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                        LogError("oom - out of memory");
                        result = BLOB_ERROR;
                    }
                    else
                    {
                        HTTPAPIEX_HANDLE httpApiExHandle;
                        memcpy(hostname, hostnameBegin, hostnameSize);
                        hostname[hostnameSize] = '\0';

                        /*Codes_SRS_BLOB_02_006: [ Blob_UploadFromSasUri shall create a new HTTPAPI_EX_HANDLE by calling HTTPAPIEX_Create passing the hostname. ]*/
                        httpApiExHandle = HTTPAPIEX_Create(hostname);
                        if (httpApiExHandle == NULL)
                        {
                            /*Codes_SRS_BLOB_02_007: [ If HTTPAPIEX_Create fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                            LogError("unable to create a HTTPAPIEX_HANDLE");
                            result = BLOB_ERROR;
                        }
                        else
                        {
                            /*Codes_SRS_BLOB_02_008: [ Blob_UploadFromSasUri shall compute the relative path of the request from the SASURI parameter. ]*/
                            const char* relativePath = hostnameEnd; /*this is where the relative path begins in the SasUri*/

                            /*Codes_SRS_BLOB_02_010: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
                            BUFFER_HANDLE requestBuffer = BUFFER_create(source, size);
                            if (requestBuffer == NULL)
                            {
                                /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                                LogError("unable to BUFFER_create");
                                result = BLOB_ERROR;
                            }
                            else
                            {
                                /*Codes_SRS_BLOB_02_009: [ Blob_UploadFromSasUri shall create an HTTP_HEADERS_HANDLE for the request HTTP headers carrying the following headers: ]*/
                                HTTP_HEADERS_HANDLE requestHttpHeaders = HTTPHeaders_Alloc();
                                if (requestHttpHeaders == NULL)
                                {
                                    /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                                    LogError("unable to HTTPHeaders_Alloc");
                                    result = BLOB_ERROR;
                                }
                                else
                                {
                                    if (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "x-ms-blob-type", "BlockBlob") != HTTP_HEADERS_OK)
                                    {
                                        /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                                        LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
                                        result = BLOB_ERROR;
                                    }
                                    else
                                    {
                                        int statusCode;
                                        /*Codes_SRS_BLOB_02_012: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest passing the parameters previously build. ]*/
                                        if (HTTPAPIEX_ExecuteRequest(httpApiExHandle, HTTPAPI_REQUEST_PUT, relativePath, requestHttpHeaders, requestBuffer, &statusCode, NULL, NULL) != HTTPAPIEX_OK)
                                        {
                                            /*Codes_SRS_BLOB_02_013: [ If HTTPAPIEX_ExecuteRequest fails, then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
                                            LogError("failed to HTTPAPIEX_ExecuteRequest");
                                            result = BLOB_HTTP_ERROR;
                                        }
                                        else
                                        {
                                            if (statusCode >= 300)
                                            {
                                                /*Codes_SRS_BLOB_02_014: [ If the statusCode returned by HTTPAPIEX_ExecuteRequest is greater or equal to 300, then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
                                                LogError("server returns %d HTTP code", statusCode);
                                                result = BLOB_HTTP_ERROR;
                                            }
                                            else
                                            {
                                                /*Codes_SRS_BLOB_02_015: [ Otherwise, HTTPAPIEX_ExecuteRequest shall succeed and return BLOB_OK. ]*/
                                                result = BLOB_OK;
                                            }
                                        }
                                    }
                                    HTTPHeaders_Free(requestHttpHeaders);
                                }
                                BUFFER_delete(requestBuffer);
                            }
                            HTTPAPIEX_Destroy(httpApiExHandle);
                        }
                        free(hostname);
                    }
                }
            }
        }
    }
    return result;
}
Пример #5
0
BLOB_RESULT Blob_UploadFromSasUri(const char* SASURI, const unsigned char* source, size_t size, unsigned int* httpStatus, BUFFER_HANDLE httpResponse)
{
    BLOB_RESULT result;
    /*Codes_SRS_BLOB_02_001: [ If SASURI is NULL then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
    if (SASURI == NULL)
    {
        LogError("parameter SASURI is NULL");
        result = BLOB_INVALID_ARG;
    }
    else
    {
        /*Codes_SRS_BLOB_02_002: [ If source is NULL and size is not zero then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
        if (
            (size > 0) &&
            (source == NULL)
            )
        {
            LogError("combination of source = %p and size = %zu is invalid", source, size);
            result = BLOB_INVALID_ARG;
        }
        /*Codes_SRS_BLOB_02_034: [ If size is bigger than 50000*4*1024*1024 then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
        else if (size > 50000ULL * 4 * 1024 * 1024) /*https://msdn.microsoft.com/en-us/library/azure/dd179467.aspx says "Each block can be a different size, up to a maximum of 4 MB, and a block blob can include a maximum of 50,000 blocks."*/
        {
            LogError("size too big (%zu)", size);
            result = BLOB_INVALID_ARG;
        }
        else
        {
            /*Codes_SRS_BLOB_02_017: [ Blob_UploadFromSasUri shall copy from SASURI the hostname to a new const char* ]*/
            /*Codes_SRS_BLOB_02_004: [ Blob_UploadFromSasUri shall copy from SASURI the hostname to a new const char*. ]*/
            /*to find the hostname, the following logic is applied:*/
            /*the hostname starts at the first character after "://"*/
            /*the hostname ends at the first character before the next "/" after "://"*/
            const char* hostnameBegin = strstr(SASURI, "://");
            if (hostnameBegin == NULL)
            {
                /*Codes_SRS_BLOB_02_005: [ If the hostname cannot be determined, then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
                LogError("hostname cannot be determined");
                result = BLOB_INVALID_ARG;
            }
            else
            {
                hostnameBegin += 3; /*have to skip 3 characters which are "://"*/
                const char* hostnameEnd = strchr(hostnameBegin, '/');
                if (hostnameEnd == NULL)
                {
                    /*Codes_SRS_BLOB_02_005: [ If the hostname cannot be determined, then Blob_UploadFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
                    LogError("hostname cannot be determined");
                    result = BLOB_INVALID_ARG;
                }
                else
                {
                    size_t hostnameSize = hostnameEnd - hostnameBegin;
                    char* hostname = (char*)malloc(hostnameSize + 1); /*+1 because of '\0' at the end*/
                    if (hostname == NULL)
                    {
                        /*Codes_SRS_BLOB_02_016: [ If the hostname copy cannot be made then then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                        LogError("oom - out of memory");
                        result = BLOB_ERROR;
                    }
                    else
                    {
                        HTTPAPIEX_HANDLE httpApiExHandle;
                        memcpy(hostname, hostnameBegin, hostnameSize);
                        hostname[hostnameSize] = '\0';

                        /*Codes_SRS_BLOB_02_006: [ Blob_UploadFromSasUri shall create a new HTTPAPI_EX_HANDLE by calling HTTPAPIEX_Create passing the hostname. ]*/
                        /*Codes_SRS_BLOB_02_018: [ Blob_UploadFromSasUri shall create a new HTTPAPI_EX_HANDLE by calling HTTPAPIEX_Create passing the hostname. ]*/
                        httpApiExHandle = HTTPAPIEX_Create(hostname);
                        if (httpApiExHandle == NULL)
                        {
                            /*Codes_SRS_BLOB_02_007: [ If HTTPAPIEX_Create fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                            LogError("unable to create a HTTPAPIEX_HANDLE");
                            result = BLOB_ERROR;
                        }
                        else
                        {
                            /*Codes_SRS_BLOB_02_008: [ Blob_UploadFromSasUri shall compute the relative path of the request from the SASURI parameter. ]*/
                            /*Codes_SRS_BLOB_02_019: [ Blob_UploadFromSasUri shall compute the base relative path of the request from the SASURI parameter. ]*/
                            const char* relativePath = hostnameEnd; /*this is where the relative path begins in the SasUri*/

                            if (size < 64 * 1024 * 1024) /*code path for sizes <64MB*/
                            {
                                /*Codes_SRS_BLOB_02_010: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
                                BUFFER_HANDLE requestBuffer = BUFFER_create(source, size);
                                if (requestBuffer == NULL)
                                {
                                    /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                                    LogError("unable to BUFFER_create");
                                    result = BLOB_ERROR;
                                }
                                else
                                {
                                    /*Codes_SRS_BLOB_02_009: [ Blob_UploadFromSasUri shall create an HTTP_HEADERS_HANDLE for the request HTTP headers carrying the following headers: ]*/
                                    HTTP_HEADERS_HANDLE requestHttpHeaders = HTTPHeaders_Alloc();
                                    if (requestHttpHeaders == NULL)
                                    {
                                        /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                                        LogError("unable to HTTPHeaders_Alloc");
                                        result = BLOB_ERROR;
                                    }
                                    else
                                    {
                                        if (HTTPHeaders_AddHeaderNameValuePair(requestHttpHeaders, "x-ms-blob-type", "BlockBlob") != HTTP_HEADERS_OK)
                                        {
                                            /*Codes_SRS_BLOB_02_011: [ If any of the previous steps related to building the HTTPAPI_EX_ExecuteRequest parameters fails, then Blob_UploadFromSasUri shall fail and return BLOB_ERROR. ]*/
                                            LogError("unable to HTTPHeaders_AddHeaderNameValuePair");
                                            result = BLOB_ERROR;
                                        }
                                        else
                                        {
                                            /*Codes_SRS_BLOB_02_012: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest passing the parameters previously build, httpStatus and httpResponse ]*/
                                            if (HTTPAPIEX_ExecuteRequest(httpApiExHandle, HTTPAPI_REQUEST_PUT, relativePath, requestHttpHeaders, requestBuffer, httpStatus, NULL, httpResponse) != HTTPAPIEX_OK)
                                            {
                                                /*Codes_SRS_BLOB_02_013: [ If HTTPAPIEX_ExecuteRequest fails, then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
                                                LogError("failed to HTTPAPIEX_ExecuteRequest");
                                                result = BLOB_HTTP_ERROR;
                                            }
                                            else
                                            {
                                                /*Codes_SRS_BLOB_02_015: [ Otherwise, HTTPAPIEX_ExecuteRequest shall succeed and return BLOB_OK. ]*/
                                                result = BLOB_OK;
                                            }
                                        }
                                        HTTPHeaders_Free(requestHttpHeaders);
                                    }
                                    BUFFER_delete(requestBuffer);
                                }
                            }
                            else /*code path for size >= 64MB*/
                            {
                                size_t toUpload = size;
                                /*Codes_SRS_BLOB_02_028: [ Blob_UploadFromSasUri shall construct an XML string with the following content: ]*/
                                STRING_HANDLE xml = STRING_construct("<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<BlockList>"); /*the XML "build as we go"*/
                                if (xml == NULL)
                                {
                                    /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                    LogError("failed to STRING_construct");
                                    result = BLOB_HTTP_ERROR;
                                }
                                else
                                {
                                    /*Codes_SRS_BLOB_02_021: [ For every block of 4MB the following operations shall happen: ]*/
                                    unsigned int blockID = 0;
                                    result = BLOB_ERROR;

                                    int isError = 0; /*used to cleanly exit the loop*/
                                    do
                                    {
                                        /*setting this block size*/
                                        size_t thisBlockSize = (toUpload > BLOCK_SIZE) ? BLOCK_SIZE : toUpload;
                                        /*Codes_SRS_BLOB_02_020: [ Blob_UploadFromSasUri shall construct a BASE64 encoded string from the block ID (000000... 0499999) ]*/
                                        char temp[7]; /*this will contain 000000... 049999*/
                                        if (sprintf(temp, "%6u", (unsigned int)blockID) != 6) /*produces 000000... 049999*/
                                        {
                                            /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                            LogError("failed to sprintf");
                                            result = BLOB_ERROR;
                                            isError = 1;
                                        }
                                        else
                                        {
                                            STRING_HANDLE blockIdString = Base64_Encode_Bytes((const unsigned char*)temp, 6);
                                            if (blockIdString == NULL)
                                            {
                                                /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                LogError("unable to Base64_Encode_Bytes");
                                                result = BLOB_ERROR;
                                                isError = 1;
                                            }
                                            else
                                            {
                                                /*add the blockId base64 encoded to the XML*/
                                                if (!(
                                                    (STRING_concat(xml, "<Latest>")==0) &&
                                                    (STRING_concat_with_STRING(xml, blockIdString)==0) &&
                                                    (STRING_concat(xml, "</Latest>") == 0)
                                                    ))
                                                {
                                                    /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                    LogError("unable to STRING_concat");
                                                    result = BLOB_ERROR;
                                                    isError = 1;
                                                }
                                                else
                                                {
                                                    /*Codes_SRS_BLOB_02_022: [ Blob_UploadFromSasUri shall construct a new relativePath from following string: base relativePath + "&comp=block&blockid=BASE64 encoded string of blockId" ]*/
                                                    STRING_HANDLE newRelativePath = STRING_construct(relativePath);
                                                    if (newRelativePath == NULL)
                                                    {
                                                        /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                        LogError("unable to STRING_construct");
                                                        result = BLOB_ERROR;
                                                        isError = 1;
                                                    }
                                                    else
                                                    {
                                                        if (!(
                                                            (STRING_concat(newRelativePath, "&comp=block&blockid=") == 0) &&
                                                            (STRING_concat_with_STRING(newRelativePath, blockIdString) == 0)
                                                            ))
                                                        {
                                                            /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                            LogError("unable to STRING concatenate");
                                                            result = BLOB_ERROR;
                                                            isError = 1;
                                                        }
                                                        else
                                                        {
                                                            /*Codes_SRS_BLOB_02_023: [ Blob_UploadFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
                                                            BUFFER_HANDLE requestContent = BUFFER_create(source + (size - toUpload), thisBlockSize);
                                                            if (requestContent == NULL)
                                                            {
                                                                /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                                LogError("unable to BUFFER_create");
                                                                result = BLOB_ERROR;
                                                                isError = 1;
                                                            }
                                                            else
                                                            {
                                                                /*Codes_SRS_BLOB_02_024: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing httpStatus and httpResponse. ]*/
                                                                if (HTTPAPIEX_ExecuteRequest(
                                                                    httpApiExHandle,
                                                                    HTTPAPI_REQUEST_PUT,
                                                                    STRING_c_str(newRelativePath),
                                                                    NULL,
                                                                    requestContent,
                                                                    httpStatus,
                                                                    NULL,
                                                                    httpResponse) != HTTPAPIEX_OK
                                                                    )
                                                                {
                                                                    /*Codes_SRS_BLOB_02_025: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
                                                                    LogError("unable to HTTPAPIEX_ExecuteRequest");
                                                                    result = BLOB_HTTP_ERROR;
                                                                    isError = 1;
                                                                }
                                                                else if (*httpStatus >= 300)
                                                                {
                                                                    /*Codes_SRS_BLOB_02_026: [ Otherwise, if HTTP response code is >=300 then Blob_UploadFromSasUri shall succeed and return BLOB_OK. ]*/
                                                                    LogError("HTTP status from storage does not indicate success (%d)", (int)*httpStatus);
                                                                    result = BLOB_OK;
                                                                    isError = 1;
                                                                }
                                                                else
                                                                {
                                                                    /*Codes_SRS_BLOB_02_027: [ Otherwise Blob_UploadFromSasUri shall continue execution. ]*/
                                                                }
                                                                BUFFER_delete(requestContent);
                                                            }
                                                        }
                                                        STRING_delete(newRelativePath);
                                                    }
                                                }
                                                STRING_delete(blockIdString);
                                            }
                                        }

                                        blockID++;
                                        toUpload -= thisBlockSize;
                                    } while ((toUpload > 0) && !isError);

                                    if (isError)
                                    {
                                        /*do nothing, it will be reported "as is"*/
                                    }
                                    else
                                    {
                                        /*complete the XML*/
                                        if (STRING_concat(xml, "</BlockList>") != 0)
                                        {
                                            /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                            LogError("failed to STRING_concat");
                                            result = BLOB_ERROR;
                                        }
                                        else
                                        {
                                            /*Codes_SRS_BLOB_02_029: [Blob_UploadFromSasUri shall construct a new relativePath from following string : base relativePath + "&comp=blocklist"]*/
                                            STRING_HANDLE newRelativePath = STRING_construct(relativePath);
                                            if (newRelativePath == NULL)
                                            {
                                                /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                LogError("failed to STRING_construct");
                                                result = BLOB_ERROR;
                                            }
                                            else
                                            {
                                                if (STRING_concat(newRelativePath, "&comp=blocklist") != 0)
                                                {
                                                    /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                    LogError("failed to STRING_concat");
                                                    result = BLOB_ERROR;
                                                }
                                                else
                                                {
                                                    /*Codes_SRS_BLOB_02_030: [ Blob_UploadFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing the new relativePath, httpStatus and httpResponse and the XML string as content. ]*/
                                                    const char* s = STRING_c_str(xml);
                                                    BUFFER_HANDLE xmlAsBuffer = BUFFER_create((const unsigned char*)s, strlen(s));
                                                    if (xmlAsBuffer == NULL)
                                                    {
                                                        /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadFromSasUri shall fail and return BLOB_ERROR ]*/
                                                        LogError("failed to BUFFER_create");
                                                        result = BLOB_ERROR;
                                                    }
                                                    else
                                                    {
                                                        if (HTTPAPIEX_ExecuteRequest(
                                                            httpApiExHandle,
                                                            HTTPAPI_REQUEST_PUT,
                                                            STRING_c_str(newRelativePath),
                                                            NULL,
                                                            xmlAsBuffer,
                                                            httpStatus,
                                                            NULL,
                                                            httpResponse
                                                        ) != HTTPAPIEX_OK)
                                                        {
                                                            /*Codes_SRS_BLOB_02_031: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
                                                            LogError("unable to HTTPAPIEX_ExecuteRequest");
                                                            result = BLOB_HTTP_ERROR;
                                                        }
                                                        else
                                                        {
                                                            /*Codes_SRS_BLOB_02_032: [ Otherwise, Blob_UploadFromSasUri shall succeed and return BLOB_OK. ]*/
                                                            result = BLOB_OK;
                                                        }
                                                        BUFFER_delete(xmlAsBuffer);
                                                    }
                                                }
                                                STRING_delete(newRelativePath);
                                            }
                                        }
                                    }
                                    STRING_delete(xml);
                                }
                            }
                            HTTPAPIEX_Destroy(httpApiExHandle);
                        }
                        free(hostname);
                    }
                }
            }
        }
    }
    return result;
}
Пример #6
0
BLOB_RESULT Blob_UploadMultipleBlocksFromSasUri(const char* SASURI, IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK_EX getDataCallbackEx, void* context, unsigned int* httpStatus, BUFFER_HANDLE httpResponse, const char* certificates, HTTP_PROXY_OPTIONS *proxyOptions)
{
    BLOB_RESULT result;
    /*Codes_SRS_BLOB_02_001: [ If SASURI is NULL then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
    if (SASURI == NULL)
    {
        LogError("parameter SASURI is NULL");
        result = BLOB_INVALID_ARG;
    }
    else
    {
        /*Codes_SRS_BLOB_02_002: [ If getDataCallbackEx is NULL then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
        if (getDataCallbackEx == NULL)
        {
            LogError("IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_CALLBACK_EX getDataCallbackEx is NULL");
            result = BLOB_INVALID_ARG;
        }
        /*the below define avoid a "condition always false" on some compilers*/
        else
        {
            /*Codes_SRS_BLOB_02_017: [ Blob_UploadMultipleBlocksFromSasUri shall copy from SASURI the hostname to a new const char* ]*/
            /*to find the hostname, the following logic is applied:*/
            /*the hostname starts at the first character after "://"*/
            /*the hostname ends at the first character before the next "/" after "://"*/
            const char* hostnameBegin = strstr(SASURI, "://");
            if (hostnameBegin == NULL)
            {
                /*Codes_SRS_BLOB_02_005: [ If the hostname cannot be determined, then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
                LogError("hostname cannot be determined");
                result = BLOB_INVALID_ARG;
            }
            else
            {
                hostnameBegin += 3; /*have to skip 3 characters which are "://"*/
                const char* hostnameEnd = strchr(hostnameBegin, '/');
                if (hostnameEnd == NULL)
                {
                    /*Codes_SRS_BLOB_02_005: [ If the hostname cannot be determined, then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_INVALID_ARG. ]*/
                    LogError("hostname cannot be determined");
                    result = BLOB_INVALID_ARG;
                }
                else
                {
                    size_t hostnameSize = hostnameEnd - hostnameBegin;
                    char* hostname = (char*)malloc(hostnameSize + 1); /*+1 because of '\0' at the end*/
                    if (hostname == NULL)
                    {
                        /*Codes_SRS_BLOB_02_016: [ If the hostname copy cannot be made then then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                        LogError("oom - out of memory");
                        result = BLOB_ERROR;
                    }
                    else
                    {
                        HTTPAPIEX_HANDLE httpApiExHandle;
                        (void)memcpy(hostname, hostnameBegin, hostnameSize);
                        hostname[hostnameSize] = '\0';

                        /*Codes_SRS_BLOB_02_018: [ Blob_UploadMultipleBlocksFromSasUri shall create a new HTTPAPI_EX_HANDLE by calling HTTPAPIEX_Create passing the hostname. ]*/
                        httpApiExHandle = HTTPAPIEX_Create(hostname);
                        if (httpApiExHandle == NULL)
                        {
                            /*Codes_SRS_BLOB_02_007: [ If HTTPAPIEX_Create fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR. ]*/
                            LogError("unable to create a HTTPAPIEX_HANDLE");
                            result = BLOB_ERROR;
                        }
                        else
                        {
                            if ((certificates != NULL)&& (HTTPAPIEX_SetOption(httpApiExHandle, "TrustedCerts", certificates) == HTTPAPIEX_ERROR))
                            {
                                LogError("failure in setting trusted certificates");
                                result = BLOB_ERROR;
                            }
                            else if ((proxyOptions != NULL && proxyOptions->host_address != NULL) && HTTPAPIEX_SetOption(httpApiExHandle, OPTION_HTTP_PROXY, proxyOptions) == HTTPAPIEX_ERROR)
                            {
                                LogError("failure in setting proxy options");
                                result = BLOB_ERROR;
                            }
                            else
                            {
                                /*Codes_SRS_BLOB_02_019: [ Blob_UploadMultipleBlocksFromSasUri shall compute the base relative path of the request from the SASURI parameter. ]*/
                                const char* relativePath = hostnameEnd; /*this is where the relative path begins in the SasUri*/

                                /*Codes_SRS_BLOB_02_028: [ Blob_UploadMultipleBlocksFromSasUri shall construct an XML string with the following content: ]*/
                                STRING_HANDLE blockIDList = STRING_construct("<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n<BlockList>"); /*the XML "build as we go"*/
                                if (blockIDList == NULL)
                                {
                                    /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                                    LogError("failed to STRING_construct");
                                    result = BLOB_HTTP_ERROR;
                                }
                                else
                                {
                                    /*Codes_SRS_BLOB_02_021: [ For every block returned by `getDataCallbackEx` the following operations shall happen: ]*/
                                    unsigned int blockID = 0; /* incremented for each new block */
                                    unsigned int isError = 0; /* set to 1 if a block upload fails or if getDataCallbackEx returns incorrect blocks to upload */
                                    unsigned int uploadOneMoreBlock = 1; /* set to 1 while getDataCallbackEx returns correct blocks to upload */
                                    unsigned char const * source; /* data set by getDataCallbackEx */
                                    size_t size; /* source size set by getDataCallbackEx */
                                    IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_RESULT getDataReturnValue;

                                    do
                                    {
                                        getDataReturnValue = getDataCallbackEx(FILE_UPLOAD_OK, &source, &size, context);
                                        if (getDataReturnValue == IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_ABORT)
                                        {
                                            /*Codes_SRS_BLOB_99_004: [ If `getDataCallbackEx` returns `IOTHUB_CLIENT_FILE_UPLOAD_GET_DATA_RESULT_ABORT`, then `Blob_UploadMultipleBlocksFromSasUri` shall exit the loop and return `BLOB_ABORTED`. ]*/
                                            LogInfo("Upload to blob has been aborted by the user");
                                            uploadOneMoreBlock = 0;
                                            result = BLOB_ABORTED;
                                        }
                                        else if (source == NULL || size == 0)
                                        {
                                            /*Codes_SRS_BLOB_99_002: [ If the size of the block returned by `getDataCallbackEx` is 0 or if the data is NULL, then `Blob_UploadMultipleBlocksFromSasUri` shall exit the loop. ]*/
                                            uploadOneMoreBlock = 0;
                                            result = BLOB_OK;
                                        }
                                        else
                                        {
                                            if (size > BLOCK_SIZE)
                                            {
                                                /*Codes_SRS_BLOB_99_001: [ If the size of the block returned by `getDataCallbackEx` is bigger than 4MB, then `Blob_UploadMultipleBlocksFromSasUri` shall fail and return `BLOB_INVALID_ARG`. ]*/
                                                LogError("tried to upload block of size %lu, max allowed size is %d", (unsigned long)size, BLOCK_SIZE);
                                                result = BLOB_INVALID_ARG;
                                                isError = 1;
                                            }
                                            else if (blockID >= MAX_BLOCK_COUNT)
                                            {
                                                /*Codes_SRS_BLOB_99_003: [ If `getDataCallbackEx` returns more than 50000 blocks, then `Blob_UploadMultipleBlocksFromSasUri` shall fail and return `BLOB_INVALID_ARG`. ]*/
                                                LogError("unable to upload more than %lu blocks in one blob", (unsigned long)MAX_BLOCK_COUNT);
                                                result = BLOB_INVALID_ARG;
                                                isError = 1;
                                            }
                                            else
                                            {
                                                /*Codes_SRS_BLOB_02_023: [ Blob_UploadMultipleBlocksFromSasUri shall create a BUFFER_HANDLE from source and size parameters. ]*/
                                                BUFFER_HANDLE requestContent = BUFFER_create(source, size);
                                                if (requestContent == NULL)
                                                {
                                                    /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                                                    LogError("unable to BUFFER_create");
                                                    result = BLOB_ERROR;
                                                    isError = 1;
                                                }
                                                else
                                                {
                                                    result = Blob_UploadBlock(
                                                            httpApiExHandle,
                                                            relativePath,
                                                            requestContent,
                                                            blockID,
                                                            blockIDList,
                                                            httpStatus,
                                                            httpResponse);

                                                    BUFFER_delete(requestContent);
                                                }

                                                /*Codes_SRS_BLOB_02_026: [ Otherwise, if HTTP response code is >=300 then Blob_UploadMultipleBlocksFromSasUri shall succeed and return BLOB_OK. ]*/
                                                if (result != BLOB_OK || *httpStatus >= 300)
                                                {
                                                    LogError("unable to Blob_UploadBlock. Returned value=%d, httpStatus=%u", result, (unsigned int)*httpStatus);
                                                    isError = 1;
                                                }
                                            }
                                            blockID++;
                                        }
                                    }
                                    while(uploadOneMoreBlock && !isError);

                                    if (isError || result != BLOB_OK)
                                    {
                                        /*do nothing, it will be reported "as is"*/
                                    }
                                    else
                                    {
                                        /*complete the XML*/
                                        if (STRING_concat(blockIDList, "</BlockList>") != 0)
                                        {
                                            /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                                            LogError("failed to STRING_concat");
                                            result = BLOB_ERROR;
                                        }
                                        else
                                        {
                                            /*Codes_SRS_BLOB_02_029: [Blob_UploadMultipleBlocksFromSasUri shall construct a new relativePath from following string : base relativePath + "&comp=blocklist"]*/
                                            STRING_HANDLE newRelativePath = STRING_construct(relativePath);
                                            if (newRelativePath == NULL)
                                            {
                                                /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                                                LogError("failed to STRING_construct");
                                                result = BLOB_ERROR;
                                            }
                                            else
                                            {
                                                if (STRING_concat(newRelativePath, "&comp=blocklist") != 0)
                                                {
                                                    /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                                                    LogError("failed to STRING_concat");
                                                    result = BLOB_ERROR;
                                                }
                                                else
                                                {
                                                    /*Codes_SRS_BLOB_02_030: [ Blob_UploadMultipleBlocksFromSasUri shall call HTTPAPIEX_ExecuteRequest with a PUT operation, passing the new relativePath, httpStatus and httpResponse and the XML string as content. ]*/
                                                    const char* s = STRING_c_str(blockIDList);
                                                    BUFFER_HANDLE blockIDListAsBuffer = BUFFER_create((const unsigned char*)s, strlen(s));
                                                    if (blockIDListAsBuffer == NULL)
                                                    {
                                                        /*Codes_SRS_BLOB_02_033: [ If any previous operation that doesn't have an explicit failure description fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
                                                        LogError("failed to BUFFER_create");
                                                        result = BLOB_ERROR;
                                                    }
                                                    else
                                                    {
                                                        if (HTTPAPIEX_ExecuteRequest(
                                                            httpApiExHandle,
                                                            HTTPAPI_REQUEST_PUT,
                                                            STRING_c_str(newRelativePath),
                                                            NULL,
                                                            blockIDListAsBuffer,
                                                            httpStatus,
                                                            NULL,
                                                            httpResponse
                                                        ) != HTTPAPIEX_OK)
                                                        {
                                                            /*Codes_SRS_BLOB_02_031: [ If HTTPAPIEX_ExecuteRequest fails then Blob_UploadMultipleBlocksFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
                                                            LogError("unable to HTTPAPIEX_ExecuteRequest");
                                                            result = BLOB_HTTP_ERROR;
                                                        }
                                                        else
                                                        {
                                                            /*Codes_SRS_BLOB_02_032: [ Otherwise, Blob_UploadMultipleBlocksFromSasUri shall succeed and return BLOB_OK. ]*/
                                                            result = BLOB_OK;
                                                        }
                                                        BUFFER_delete(blockIDListAsBuffer);
                                                    }
                                                }
                                                STRING_delete(newRelativePath);
                                            }
                                        }
                                    }
                                    STRING_delete(blockIDList);
                                }

                            }
                            HTTPAPIEX_Destroy(httpApiExHandle);
                        }
                        free(hostname);
                    }
                }
            }
        }
    }
    return result;
}
Пример #7
0
static BUFFER_HANDLE sendDeviceRegistryInfo(IOTHUB_ACCOUNT_INFO* accountInfo, BUFFER_HANDLE deviceBuffer, HTTPAPI_REQUEST_TYPE requestType)
{
    BUFFER_HANDLE result;

    STRING_HANDLE accessKey = STRING_construct(accountInfo->sharedAccessKey);
    STRING_HANDLE uriResouce = STRING_construct(accountInfo->hostname);
    STRING_HANDLE keyName = STRING_construct(accountInfo->keyName);
    if (accessKey != NULL && uriResouce != NULL && keyName != NULL)
    {
        HTTPAPIEX_SAS_HANDLE httpHandle = HTTPAPIEX_SAS_Create(accessKey, uriResouce, keyName);
        if (httpHandle != NULL)
        {
            HTTPAPIEX_HANDLE httpExApi = HTTPAPIEX_Create(accountInfo->hostname);
            if (httpExApi == NULL)
            {
                LogError("Failure creating httpApiEx with hostname: %s.\r\n", accountInfo->hostname);
                result = NULL;
            }
            else
            {
                char relativePath[256];
                if (sprintf_s(relativePath, 256, RELATIVE_PATH_FMT, accountInfo->deviceId, URL_API_VERSION) <= 0)
                {
                    LogError("Failure creating relative path.\r\n");
                    result = NULL;
                }
                else
                {

                    unsigned int statusCode = 0;

                    // Send PUT method to url
                    HTTP_HEADERS_HANDLE httpHeader = getContentHeaders((deviceBuffer == NULL) ? true : false);
                    if (httpHeader == NULL)
                    {
                        result = NULL;
                    }
                    else
                    {
                        BUFFER_HANDLE responseContent = BUFFER_new();
                        if (HTTPAPIEX_SAS_ExecuteRequest(httpHandle, httpExApi, requestType, relativePath, httpHeader, deviceBuffer, &statusCode, NULL, responseContent) != HTTPAPIEX_OK)
                        {
                            LogError("Failure calling HTTPAPIEX_SAS_ExecuteRequest.\r\n");
                            result = NULL;
                        }
                        else
                        {
                            // 409 means the device is already created so we don't need
                            // to create another one.
                            if (statusCode != 409 && statusCode > 300)
                            {
                                LogError("Http Failure status code %d.\r\n", statusCode);
                                BUFFER_delete(responseContent);
                                result = NULL;
                            }
                            else
                            {
                                result = responseContent;
                            }
                        }
                    }
                    HTTPHeaders_Free(httpHeader);
                }
                HTTPAPIEX_Destroy(httpExApi);
            }
            HTTPAPIEX_SAS_Destroy(httpHandle);
        }
        else
        {
            LogError("Http Failure with HTTPAPIEX_SAS_Create.\r\n");
            result = NULL;
        }
    }
    STRING_delete(accessKey);
    STRING_delete(uriResouce);
    STRING_delete(keyName);
    return result;
}