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
}
HTTPAPIEX_RESULT HTTPAPIEX_SAS_ExecuteRequest(HTTPAPIEX_SAS_HANDLE sasHandle, HTTPAPIEX_HANDLE handle, HTTPAPI_REQUEST_TYPE requestType, const char* relativePath, HTTP_HEADERS_HANDLE requestHttpHeadersHandle, BUFFER_HANDLE requestContent, unsigned int* statusCode, HTTP_HEADERS_HANDLE responseHeadersHandle, BUFFER_HANDLE responseContent)
{
/*Codes_SRS_HTTPAPIEXSAS_06_007: [If the parameter sasHandle is NULL then HTTPAPIEX_SAS_ExecuteRequest shall simply invoke HTTPAPIEX_ExecuteRequest with the remaining parameters (following sasHandle) as its arguments and shall return immediately with the result of that call as the result of HTTPAPIEX_SAS_ExecuteRequest.]*/
if (sasHandle != NULL)
{
/*Codes_SRS_HTTPAPIEXSAS_06_008: [if the parameter requestHttpHeadersHandle is NULL then fallthrough.]*/
if (requestHttpHeadersHandle != NULL)
{
/*Codes_SRS_HTTPAPIEXSAS_06_009: [HTTPHeaders_FindHeaderValue shall be invoked with the requestHttpHeadersHandle as its first argument and the string "Authorization" as its second argument.]*/
/*Codes_SRS_HTTPAPIEXSAS_06_010: [If the return result of the invocation of HTTPHeaders_FindHeaderValue is NULL then fallthrough.]*/
if (HTTPHeaders_FindHeaderValue(requestHttpHeadersHandle, "Authorization") != NULL)
{
HTTPAPIEX_SAS_STATE* state = (HTTPAPIEX_SAS_STATE*)sasHandle;
/*Codes_SRS_HTTPAPIEXSAS_06_018: [A value of type time_t that shall be known as currentTime is obtained from calling get_time.]*/
time_t currentTime = get_time(NULL);
/*Codes_SRS_HTTPAPIEXSAS_06_019: [If the value of currentTime is (time_t)-1 is then fallthrough.]*/
if (currentTime == (time_t)-1)
{
LogError("Time does not appear to be working.\r\n");
}
else
{
/*Codes_SRS_HTTPAPIEXSAS_06_011: [SASToken_Create shall be invoked.]*/
/*Codes_SRS_HTTPAPIEXSAS_06_012: [If the return result of SASToken_Create is NULL then fallthrough.]*/
size_t expiry = (size_t)(difftime(currentTime, 0) + 3600);
STRING_HANDLE newSASToken = SASToken_Create(state->key, state->uriResource, state->keyName, expiry);
if (newSASToken != NULL)
{
/*Codes_SRS_HTTPAPIEXSAS_06_013: [HTTPHeaders_ReplaceHeaderNameValuePair shall be invoked with "Authorization" as its second argument and STRING_c_str (newSASToken) as its third argument.]*/
if (HTTPHeaders_ReplaceHeaderNameValuePair(requestHttpHeadersHandle, "Authorization", STRING_c_str(newSASToken)) != HTTP_HEADERS_OK)
{
/*Codes_SRS_HTTPAPIEXSAS_06_014: [If the result of the invocation of HTTPHeaders_ReplaceHeaderNameValuePair is NOT HTTP_HEADERS_OK then fallthrough.]*/
LogError("Unable to replace the old SAS Token.\r\n");
}
/*Codes_SRS_HTTPAPIEXSAS_06_015: [STRING_delete(newSASToken) will be invoked.]*/
STRING_delete(newSASToken);
}
else
{
LogError("Unable to create a new SAS token.\r\n");
}
}
}
}
}
/*Codes_SRS_HTTPAPIEXSAS_06_016: [HTTPAPIEX_ExecuteRequest with the remaining parameters (following sasHandle) as its arguments will be invoked and the result of that call is the result of HTTPAPIEX_SAS_ExecuteRequest.]*/
return HTTPAPIEX_ExecuteRequest(handle,requestType,relativePath,requestHttpHeadersHandle,requestContent,statusCode,responseHeadersHandle,responseContent);
}
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;
}
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;
}
BLOB_RESULT Blob_UploadBlock(
HTTPAPIEX_HANDLE httpApiExHandle,
const char* relativePath,
BUFFER_HANDLE requestContent,
unsigned int blockID,
STRING_HANDLE blockIDList,
unsigned int* httpStatus,
BUFFER_HANDLE httpResponse)
{
BLOB_RESULT result;
if (requestContent == NULL ||
blockIDList == NULL ||
relativePath == NULL ||
httpApiExHandle == NULL ||
httpStatus == NULL ||
httpResponse == NULL)
{
LogError("invalid argument detected requestContent=%p blockIDList=%p relativePath=%p httpApiExHandle=%p httpStatus=%p httpResponse=%p", requestContent, blockIDList, relativePath, httpApiExHandle, httpStatus, httpResponse);
result = BLOB_ERROR;
}
else
{
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_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
LogError("failed to sprintf");
result = BLOB_ERROR;
}
else
{
STRING_HANDLE blockIdString = Azure_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_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
LogError("unable to Azure_Base64_Encode_Bytes");
result = BLOB_ERROR;
}
else
{
/*add the blockId base64 encoded to the XML*/
if (!(
(STRING_concat(blockIDList, "<Latest>") == 0) &&
(STRING_concat_with_STRING(blockIDList, blockIdString) == 0) &&
(STRING_concat(blockIDList, "</Latest>") == 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("unable to STRING_concat");
result = BLOB_ERROR;
}
else
{
/*Codes_SRS_BLOB_02_022: [ Blob_UploadMultipleBlocksFromSasUri 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_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
LogError("unable to STRING_construct");
result = BLOB_ERROR;
}
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_UploadMultipleBlocksFromSasUri shall fail and return BLOB_ERROR ]*/
LogError("unable to STRING concatenate");
result = BLOB_ERROR;
}
else
{
/*Codes_SRS_BLOB_02_024: [ Blob_UploadMultipleBlocksFromSasUri 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_UploadMultipleBlocksFromSasUri shall fail and return BLOB_HTTP_ERROR. ]*/
LogError("unable to HTTPAPIEX_ExecuteRequest");
result = BLOB_HTTP_ERROR;
}
else if (*httpStatus >= 300)
{
/*Codes_SRS_BLOB_02_026: [ Otherwise, if HTTP response code is >=300 then Blob_UploadMultipleBlocksFromSasUri shall succeed and return BLOB_OK. ]*/
LogError("HTTP status from storage does not indicate success (%d)", (int)*httpStatus);
result = BLOB_OK;
}
else
{
/*Codes_SRS_BLOB_02_027: [ Otherwise Blob_UploadMultipleBlocksFromSasUri shall continue execution. ]*/
result = BLOB_OK;
}
}
STRING_delete(newRelativePath);
}
}
STRING_delete(blockIdString);
}
}
}
return result;
}
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;
}
