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storage.c
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storage.c
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/***********************************************************************************************************************************
S3 Storage
***********************************************************************************************************************************/
#include "build.auto.h"
#include <string.h>
#include <time.h>
#include "common/crypto/hash.h"
#include "common/encode.h"
#include "common/debug.h"
#include "common/io/http/common.h"
#include "common/log.h"
#include "common/memContext.h"
#include "common/object.h"
#include "common/regExp.h"
#include "common/type/xml.h"
#include "storage/s3/read.h"
#include "storage/s3/storage.intern.h"
#include "storage/s3/write.h"
/***********************************************************************************************************************************
Storage type
***********************************************************************************************************************************/
STRING_EXTERN(STORAGE_S3_TYPE_STR, STORAGE_S3_TYPE);
/***********************************************************************************************************************************
S3 http headers
***********************************************************************************************************************************/
STRING_STATIC(S3_HEADER_AUTHORIZATION_STR, "authorization");
STRING_STATIC(S3_HEADER_HOST_STR, "host");
STRING_STATIC(S3_HEADER_CONTENT_SHA256_STR, "x-amz-content-sha256");
STRING_STATIC(S3_HEADER_DATE_STR, "x-amz-date");
STRING_STATIC(S3_HEADER_TOKEN_STR, "x-amz-security-token");
/***********************************************************************************************************************************
S3 query tokens
***********************************************************************************************************************************/
STRING_STATIC(S3_QUERY_CONTINUATION_TOKEN_STR, "continuation-token");
STRING_STATIC(S3_QUERY_DELIMITER_STR, "delimiter");
STRING_STATIC(S3_QUERY_LIST_TYPE_STR, "list-type");
STRING_STATIC(S3_QUERY_PREFIX_STR, "prefix");
STRING_STATIC(S3_QUERY_VALUE_LIST_TYPE_2_STR, "2");
/***********************************************************************************************************************************
XML tags
***********************************************************************************************************************************/
STRING_STATIC(S3_XML_TAG_COMMON_PREFIXES_STR, "CommonPrefixes");
STRING_STATIC(S3_XML_TAG_CONTENTS_STR, "Contents");
STRING_STATIC(S3_XML_TAG_KEY_STR, "Key");
STRING_STATIC(S3_XML_TAG_NEXT_CONTINUATION_TOKEN_STR, "NextContinuationToken");
STRING_STATIC(S3_XML_TAG_PREFIX_STR, "Prefix");
/***********************************************************************************************************************************
AWS authentication v4 constants
***********************************************************************************************************************************/
#define S3 "s3"
BUFFER_STRDEF_STATIC(S3_BUF, S3);
#define AWS4 "AWS4"
#define AWS4_REQUEST "aws4_request"
BUFFER_STRDEF_STATIC(AWS4_REQUEST_BUF, AWS4_REQUEST);
#define AWS4_HMAC_SHA256 "AWS4-HMAC-SHA256"
/***********************************************************************************************************************************
Starting date for signing string so it will be regenerated on the first request
***********************************************************************************************************************************/
STRING_STATIC(YYYYMMDD_STR, "YYYYMMDD");
/***********************************************************************************************************************************
Object type
***********************************************************************************************************************************/
struct StorageS3
{
MemContext *memContext;
HttpClient *httpClient; // Http client to service requests
const StringList *headerRedactList; // List of headers to redact from logging
const String *bucket; // Bucket to store data in
const String *region; // e.g. us-east-1
const String *accessKey; // Access key
const String *secretAccessKey; // Secret access key
const String *securityToken; // Security token, if any
size_t partSize; // Part size for multi-part upload
const String *host; // Defaults to {bucket}.{endpoint}
unsigned int port; // Host port
// Current signing key and date it is valid for
const String *signingKeyDate; // Date of cached signing key (so we know when to regenerate)
const Buffer *signingKey; // Cached signing key
};
/***********************************************************************************************************************************
Expected ISO-8601 data/time size
***********************************************************************************************************************************/
#define ISO_8601_DATE_TIME_SIZE 16
/***********************************************************************************************************************************
Format ISO-8601 date/time for authentication
***********************************************************************************************************************************/
static String *
storageS3DateTime(time_t authTime)
{
FUNCTION_TEST_BEGIN();
FUNCTION_TEST_PARAM(INT64, authTime);
FUNCTION_TEST_END();
char buffer[ISO_8601_DATE_TIME_SIZE + 1];
THROW_ON_SYS_ERROR(
strftime(buffer, sizeof(buffer), "%Y%m%dT%H%M%SZ", gmtime(&authTime)) != ISO_8601_DATE_TIME_SIZE, AssertError,
"unable to format date");
FUNCTION_TEST_RETURN(strNew(buffer));
}
/***********************************************************************************************************************************
Generate authorization header and add it to the supplied header list
Based on the excellent documentation at http://docs.aws.amazon.com/AmazonS3/latest/API/sig-v4-header-based-auth.html.
***********************************************************************************************************************************/
static void
storageS3Auth(
StorageS3 *this, const String *verb, const String *uri, const HttpQuery *query, const String *dateTime,
HttpHeader *httpHeader, const String *payloadHash)
{
FUNCTION_TEST_BEGIN();
FUNCTION_TEST_PARAM(STORAGE_S3, this);
FUNCTION_TEST_PARAM(STRING, verb);
FUNCTION_TEST_PARAM(STRING, uri);
FUNCTION_TEST_PARAM(HTTP_QUERY, query);
FUNCTION_TEST_PARAM(STRING, dateTime);
FUNCTION_TEST_PARAM(KEY_VALUE, httpHeader);
FUNCTION_TEST_PARAM(STRING, payloadHash);
FUNCTION_TEST_END();
ASSERT(verb != NULL);
ASSERT(uri != NULL);
ASSERT(dateTime != NULL);
ASSERT(httpHeader != NULL);
ASSERT(payloadHash != NULL);
MEM_CONTEXT_TEMP_BEGIN()
{
// Get date from datetime
const String *date = strSubN(dateTime, 0, 8);
// Set required headers
httpHeaderPut(httpHeader, S3_HEADER_CONTENT_SHA256_STR, payloadHash);
httpHeaderPut(httpHeader, S3_HEADER_DATE_STR, dateTime);
httpHeaderPut(httpHeader, S3_HEADER_HOST_STR, this->host);
if (this->securityToken != NULL)
httpHeaderPut(httpHeader, S3_HEADER_TOKEN_STR, this->securityToken);
// Generate canonical request and signed headers
const StringList *headerList = strLstSort(strLstDup(httpHeaderList(httpHeader)), sortOrderAsc);
String *signedHeaders = NULL;
String *canonicalRequest = strNewFmt(
"%s\n%s\n%s\n", strPtr(verb), strPtr(uri), query == NULL ? "" : strPtr(httpQueryRender(query)));
for (unsigned int headerIdx = 0; headerIdx < strLstSize(headerList); headerIdx++)
{
const String *headerKey = strLstGet(headerList, headerIdx);
const String *headerKeyLower = strLower(strDup(headerKey));
// Skip the authorization header -- if it exists this is a retry
if (strEq(headerKeyLower, S3_HEADER_AUTHORIZATION_STR))
continue;
strCatFmt(canonicalRequest, "%s:%s\n", strPtr(headerKeyLower), strPtr(httpHeaderGet(httpHeader, headerKey)));
if (signedHeaders == NULL)
signedHeaders = strDup(headerKeyLower);
else
strCatFmt(signedHeaders, ";%s", strPtr(headerKeyLower));
}
strCatFmt(canonicalRequest, "\n%s\n%s", strPtr(signedHeaders), strPtr(payloadHash));
// Generate string to sign
const String *stringToSign = strNewFmt(
AWS4_HMAC_SHA256 "\n%s\n%s/%s/" S3 "/" AWS4_REQUEST "\n%s", strPtr(dateTime), strPtr(date), strPtr(this->region),
strPtr(bufHex(cryptoHashOne(HASH_TYPE_SHA256_STR, BUFSTR(canonicalRequest)))));
// Generate signing key. This key only needs to be regenerated every seven days but we'll do it once a day to keep the
// logic simple. It's a relatively expensive operation so we'd rather not do it for every request.
// If the cached signing key has expired (or has none been generated) then regenerate it
if (!strEq(date, this->signingKeyDate))
{
const Buffer *dateKey = cryptoHmacOne(
HASH_TYPE_SHA256_STR, BUFSTR(strNewFmt(AWS4 "%s", strPtr(this->secretAccessKey))), BUFSTR(date));
const Buffer *regionKey = cryptoHmacOne(HASH_TYPE_SHA256_STR, dateKey, BUFSTR(this->region));
const Buffer *serviceKey = cryptoHmacOne(HASH_TYPE_SHA256_STR, regionKey, S3_BUF);
// Switch to the object context so signing key and date are not lost
MEM_CONTEXT_BEGIN(this->memContext)
{
this->signingKey = cryptoHmacOne(HASH_TYPE_SHA256_STR, serviceKey, AWS4_REQUEST_BUF);
this->signingKeyDate = strDup(date);
}
MEM_CONTEXT_END();
}
// Generate authorization header
const String *authorization = strNewFmt(
AWS4_HMAC_SHA256 " Credential=%s/%s/%s/" S3 "/" AWS4_REQUEST ",SignedHeaders=%s,Signature=%s",
strPtr(this->accessKey), strPtr(date), strPtr(this->region), strPtr(signedHeaders),
strPtr(bufHex(cryptoHmacOne(HASH_TYPE_SHA256_STR, this->signingKey, BUFSTR(stringToSign)))));
httpHeaderPut(httpHeader, S3_HEADER_AUTHORIZATION_STR, authorization);
}
MEM_CONTEXT_TEMP_END();
FUNCTION_TEST_RETURN_VOID();
}
/***********************************************************************************************************************************
Process S3 request
***********************************************************************************************************************************/
StorageS3RequestResult
storageS3Request(
StorageS3 *this, const String *verb, const String *uri, const HttpQuery *query, const Buffer *body, bool returnContent,
bool allowMissing)
{
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, verb);
FUNCTION_LOG_PARAM(STRING, uri);
FUNCTION_LOG_PARAM(HTTP_QUERY, query);
FUNCTION_LOG_PARAM(BUFFER, body);
FUNCTION_LOG_PARAM(BOOL, returnContent);
FUNCTION_LOG_PARAM(BOOL, allowMissing);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(verb != NULL);
ASSERT(uri != NULL);
StorageS3RequestResult result = {0};
MEM_CONTEXT_TEMP_BEGIN()
{
// Create header list and add content length
HttpHeader *requestHeader = httpHeaderNew(this->headerRedactList);
// Set content length
httpHeaderAdd(
requestHeader, HTTP_HEADER_CONTENT_LENGTH_STR,
body == NULL || bufUsed(body) == 0 ? ZERO_STR : strNewFmt("%zu", bufUsed(body)));
// Calculate content-md5 header if there is content
if (body != NULL)
{
char md5Hash[HASH_TYPE_MD5_SIZE_HEX];
encodeToStr(encodeBase64, bufPtr(cryptoHashOne(HASH_TYPE_MD5_STR, body)), HASH_TYPE_M5_SIZE, md5Hash);
httpHeaderAdd(requestHeader, HTTP_HEADER_CONTENT_MD5_STR, STR(md5Hash));
}
// Generate authorization header
storageS3Auth(
this, verb, httpUriEncode(uri, true), query, storageS3DateTime(time(NULL)), requestHeader,
body == NULL || bufUsed(body) == 0 ?
STRDEF("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855") :
bufHex(cryptoHashOne(HASH_TYPE_SHA256_STR, body)));
// Process request
Buffer *response = httpClientRequest(this->httpClient, verb, uri, query, requestHeader, body, returnContent);
// Error if the request was not successful
if (httpClientResponseCode(this->httpClient) != HTTP_RESPONSE_CODE_OK &&
(!allowMissing || httpClientResponseCode(this->httpClient) != HTTP_RESPONSE_CODE_NOT_FOUND))
{
// General error message
String *error = strNewFmt(
"S3 request failed with %u: %s", httpClientResponseCode(this->httpClient),
strPtr(httpClientResponseMessage(this->httpClient)));
// Output uri/query
strCat(error, "\n*** URI/Query ***:");
strCatFmt(error, "\n%s", strPtr(httpUriEncode(uri, true)));
if (query != NULL)
strCatFmt(error, "?%s", strPtr(httpQueryRender(query)));
// Output request headers
const StringList *requestHeaderList = httpHeaderList(requestHeader);
strCat(error, "\n*** Request Headers ***:");
for (unsigned int requestHeaderIdx = 0; requestHeaderIdx < strLstSize(requestHeaderList); requestHeaderIdx++)
{
const String *key = strLstGet(requestHeaderList, requestHeaderIdx);
strCatFmt(
error, "\n%s: %s", strPtr(key),
httpHeaderRedact(requestHeader, key) || strEq(key, S3_HEADER_DATE_STR) ?
"<redacted>" : strPtr(httpHeaderGet(requestHeader, key)));
}
// Output response headers
const HttpHeader *responseHeader = httpClientReponseHeader(this->httpClient);
const StringList *responseHeaderList = httpHeaderList(responseHeader);
if (strLstSize(responseHeaderList) > 0)
{
strCat(error, "\n*** Response Headers ***:");
for (unsigned int responseHeaderIdx = 0; responseHeaderIdx < strLstSize(responseHeaderList); responseHeaderIdx++)
{
const String *key = strLstGet(responseHeaderList, responseHeaderIdx);
strCatFmt(error, "\n%s: %s", strPtr(key), strPtr(httpHeaderGet(responseHeader, key)));
}
}
// If there was content then output it
if (response!= NULL)
strCatFmt(error, "\n*** Response Content ***:\n%s", strPtr(strNewBuf(response)));
THROW(ProtocolError, strPtr(error));
}
// On success move the buffer to the calling context
result.responseHeader = httpHeaderMove(httpHeaderDup(httpClientReponseHeader(this->httpClient), NULL), MEM_CONTEXT_OLD());
result.response = bufMove(response, MEM_CONTEXT_OLD());
}
MEM_CONTEXT_TEMP_END();
FUNCTION_LOG_RETURN(STORAGE_S3_REQUEST_RESULT, result);
}
/***********************************************************************************************************************************
Does a file exist? This function is only for files, not paths.
***********************************************************************************************************************************/
static bool
storageS3Exists(THIS_VOID, const String *path)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, path);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(path != NULL);
bool result = false;
MEM_CONTEXT_TEMP_BEGIN()
{
HttpQuery *query = httpQueryNew();
// Generate the file name as a prefix. Muliple files may be returned but this will narrow down the list.
String *prefix = strNewFmt("%s", strPtr(strSub(path, 1)));
httpQueryAdd(query, S3_QUERY_PREFIX_STR, prefix);
// Build the query using list type 2
httpQueryAdd(query, S3_QUERY_LIST_TYPE_STR, S3_QUERY_VALUE_LIST_TYPE_2_STR);
XmlNode *xmlRoot = xmlDocumentRoot(
xmlDocumentNewBuf(storageS3Request(this, HTTP_VERB_GET_STR, FSLASH_STR, query, NULL, true, false).response));
// Check if the prefix exists. If not then the file definitely does not exist, but if it does we'll need to check the
// exact name to be sure we are not looking at a different file with the same prefix
XmlNodeList *fileList = xmlNodeChildList(xmlRoot, S3_XML_TAG_CONTENTS_STR);
for (unsigned int fileIdx = 0; fileIdx < xmlNodeLstSize(fileList); fileIdx++)
{
// If the name matches exactly then the file exists
if (strEq(prefix, xmlNodeContent(xmlNodeChild(xmlNodeLstGet(fileList, fileIdx), S3_XML_TAG_KEY_STR, true))))
{
result = true;
break;
}
}
}
MEM_CONTEXT_TEMP_END();
FUNCTION_LOG_RETURN(BOOL, result);
}
/***********************************************************************************************************************************
File/path info
***********************************************************************************************************************************/
static StorageInfo
storageS3Info(THIS_VOID, const String *file, bool ignoreMissing, bool followLink)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, file);
FUNCTION_LOG_PARAM(BOOL, ignoreMissing);
FUNCTION_LOG_PARAM(BOOL, followLink);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(file != NULL);
ASSERT(followLink == false);
THROW(AssertError, "NOT YET IMPLEMENTED");
FUNCTION_LOG_RETURN(STORAGE_INFO, (StorageInfo){0});
}
/***********************************************************************************************************************************
Get a list of files from a directory
***********************************************************************************************************************************/
static StringList *
storageS3List(THIS_VOID, const String *path, bool errorOnMissing, const String *expression)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, path);
FUNCTION_LOG_PARAM(BOOL, errorOnMissing);
FUNCTION_LOG_PARAM(STRING, expression);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(path != NULL);
ASSERT(!errorOnMissing);
StringList *result = NULL;
MEM_CONTEXT_TEMP_BEGIN()
{
result = strLstNew();
const String *continuationToken = NULL;
// Prepare regexp if an expression was passed
RegExp *regExp = expression == NULL ? NULL : regExpNew(expression);
// Build the base prefix by stripping of the initial /
const String *basePrefix;
if (strSize(path) == 1)
basePrefix = EMPTY_STR;
else
basePrefix = strNewFmt("%s/", strPtr(strSub(path, 1)));
// Get the expression prefix when possible to limit initial results
const String *expressionPrefix = regExpPrefix(expression);
// If there is an expression prefix then use it to build the query prefix, otherwise query prefix is base prefix
const String *queryPrefix;
if (expressionPrefix == NULL)
queryPrefix = basePrefix;
else
{
if (strEmpty(basePrefix))
queryPrefix = expressionPrefix;
else
queryPrefix = strNewFmt("%s%s", strPtr(basePrefix), strPtr(expressionPrefix));
}
// Loop as long as a continuation token returned
do
{
// Use an inner mem context here because we could potentially be retrieving millions of files so it is a good idea to
// free memory at regular intervals
MEM_CONTEXT_TEMP_BEGIN()
{
HttpQuery *query = httpQueryNew();
// Add continuation token from the prior loop if any
if (continuationToken != NULL)
httpQueryAdd(query, S3_QUERY_CONTINUATION_TOKEN_STR, continuationToken);
// Add the delimiter so we don't recurse
httpQueryAdd(query, S3_QUERY_DELIMITER_STR, FSLASH_STR);
// Use list type 2
httpQueryAdd(query, S3_QUERY_LIST_TYPE_STR, S3_QUERY_VALUE_LIST_TYPE_2_STR);
// Don't specified empty prefix because it is the default
if (!strEmpty(queryPrefix))
httpQueryAdd(query, S3_QUERY_PREFIX_STR, queryPrefix);
XmlNode *xmlRoot = xmlDocumentRoot(
xmlDocumentNewBuf(
storageS3Request(this, HTTP_VERB_GET_STR, FSLASH_STR, query, NULL, true, false).response));
// Get subpath list
XmlNodeList *subPathList = xmlNodeChildList(xmlRoot, S3_XML_TAG_COMMON_PREFIXES_STR);
for (unsigned int subPathIdx = 0; subPathIdx < xmlNodeLstSize(subPathList); subPathIdx++)
{
// Get subpath name
const String *subPath = xmlNodeContent(
xmlNodeChild(xmlNodeLstGet(subPathList, subPathIdx), S3_XML_TAG_PREFIX_STR, true));
// Strip off base prefix and final /
subPath = strSubN(subPath, strSize(basePrefix), strSize(subPath) - strSize(basePrefix) - 1);
// Add to list after checking expression if present
if (regExp == NULL || regExpMatch(regExp, subPath))
strLstAdd(result, subPath);
}
// Get file list
XmlNodeList *fileList = xmlNodeChildList(xmlRoot, S3_XML_TAG_CONTENTS_STR);
for (unsigned int fileIdx = 0; fileIdx < xmlNodeLstSize(fileList); fileIdx++)
{
// Get file name
const String *file = xmlNodeContent(xmlNodeChild(xmlNodeLstGet(fileList, fileIdx), S3_XML_TAG_KEY_STR, true));
// Strip off the base prefix when present
file = strEmpty(basePrefix) ? file : strSub(file, strSize(basePrefix));
// Add to list after checking expression if present
if (regExp == NULL || regExpMatch(regExp, file))
strLstAdd(result, file);
}
// Get the continuation token and store it in the outer temp context
memContextSwitch(MEM_CONTEXT_OLD());
continuationToken = xmlNodeContent(xmlNodeChild(xmlRoot, S3_XML_TAG_NEXT_CONTINUATION_TOKEN_STR, false));
memContextSwitch(MEM_CONTEXT_TEMP());
}
MEM_CONTEXT_TEMP_END();
}
while (continuationToken != NULL);
strLstMove(result, MEM_CONTEXT_OLD());
}
MEM_CONTEXT_TEMP_END();
FUNCTION_LOG_RETURN(STRING_LIST, result);
}
/***********************************************************************************************************************************
New file read object
***********************************************************************************************************************************/
static StorageRead *
storageS3NewRead(THIS_VOID, const String *file, bool ignoreMissing)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, file);
FUNCTION_LOG_PARAM(BOOL, ignoreMissing);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(file != NULL);
FUNCTION_LOG_RETURN(STORAGE_READ, storageReadS3New(this, file, ignoreMissing));
}
/***********************************************************************************************************************************
New file write object
***********************************************************************************************************************************/
static StorageWrite *
storageS3NewWrite(
THIS_VOID, const String *file, mode_t modeFile, mode_t modePath, const String *user, const String *group, time_t timeModified,
bool createPath, bool syncFile, bool syncPath, bool atomic)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, file);
FUNCTION_LOG_PARAM(MODE, modeFile);
FUNCTION_LOG_PARAM(MODE, modePath);
FUNCTION_LOG_PARAM(STRING, user);
FUNCTION_LOG_PARAM(STRING, group);
FUNCTION_LOG_PARAM(INT64, timeModified);
FUNCTION_LOG_PARAM(BOOL, createPath);
FUNCTION_LOG_PARAM(BOOL, syncFile);
FUNCTION_LOG_PARAM(BOOL, syncPath);
FUNCTION_LOG_PARAM(BOOL, atomic);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(file != NULL);
ASSERT(createPath);
ASSERT(user == NULL);
ASSERT(group == NULL);
ASSERT(timeModified == 0);
FUNCTION_LOG_RETURN(STORAGE_WRITE, storageWriteS3New(this, file, this->partSize));
}
/***********************************************************************************************************************************
Create a path
There are no physical paths on S3 so just return success.
***********************************************************************************************************************************/
static void
storageS3PathCreate(THIS_VOID, const String *path, bool errorOnExists, bool noParentCreate, mode_t mode)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelTrace);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, path);
FUNCTION_LOG_PARAM(BOOL, errorOnExists);
FUNCTION_LOG_PARAM(BOOL, noParentCreate);
FUNCTION_LOG_PARAM(MODE, mode);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(path != NULL);
ASSERT(mode == 0);
FUNCTION_LOG_RETURN_VOID();
}
/***********************************************************************************************************************************
Remove a path
***********************************************************************************************************************************/
static void
storageS3PathRemove(THIS_VOID, const String *path, bool errorOnMissing, bool recurse)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, path);
FUNCTION_LOG_PARAM(BOOL, errorOnMissing);
FUNCTION_LOG_PARAM(BOOL, recurse);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(path != NULL);
THROW(AssertError, "NOT YET IMPLEMENTED");
FUNCTION_LOG_RETURN_VOID();
}
/***********************************************************************************************************************************
Sync a path
There's no need for this on S3 so just return success.
***********************************************************************************************************************************/
static void
storageS3PathSync(THIS_VOID, const String *path, bool ignoreMissing)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelTrace);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, path);
FUNCTION_LOG_PARAM(BOOL, ignoreMissing);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(path != NULL);
FUNCTION_LOG_RETURN_VOID();
}
/***********************************************************************************************************************************
Remove a file
***********************************************************************************************************************************/
static void
storageS3Remove(THIS_VOID, const String *file, bool errorOnMissing)
{
THIS(StorageS3);
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_LOG_PARAM(STRING, file);
FUNCTION_LOG_PARAM(BOOL, errorOnMissing);
FUNCTION_LOG_END();
ASSERT(this != NULL);
ASSERT(file != NULL);
THROW(AssertError, "NOT YET IMPLEMENTED");
FUNCTION_LOG_RETURN_VOID();
}
/***********************************************************************************************************************************
Get http client
***********************************************************************************************************************************/
HttpClient *
storageS3HttpClient(const StorageS3 *this)
{
FUNCTION_TEST_BEGIN();
FUNCTION_LOG_PARAM(STORAGE_S3, this);
FUNCTION_TEST_END();
ASSERT(this != NULL);
FUNCTION_TEST_RETURN(this->httpClient);
}
/***********************************************************************************************************************************
New object
***********************************************************************************************************************************/
Storage *
storageS3New(
const String *path, bool write, StoragePathExpressionCallback pathExpressionFunction, const String *bucket,
const String *endPoint, const String *region, const String *accessKey, const String *secretAccessKey,
const String *securityToken, size_t partSize, const String *host, unsigned int port, TimeMSec timeout, bool verifyPeer,
const String *caFile, const String *caPath)
{
FUNCTION_LOG_BEGIN(logLevelDebug);
FUNCTION_LOG_PARAM(STRING, path);
FUNCTION_LOG_PARAM(BOOL, write);
FUNCTION_LOG_PARAM(FUNCTIONP, pathExpressionFunction);
FUNCTION_LOG_PARAM(STRING, bucket);
FUNCTION_LOG_PARAM(STRING, endPoint);
FUNCTION_LOG_PARAM(STRING, region);
FUNCTION_TEST_PARAM(STRING, accessKey);
FUNCTION_TEST_PARAM(STRING, secretAccessKey);
FUNCTION_TEST_PARAM(STRING, securityToken);
FUNCTION_TEST_PARAM(SIZE, partSize);
FUNCTION_LOG_PARAM(STRING, host);
FUNCTION_LOG_PARAM(UINT, port);
FUNCTION_LOG_PARAM(TIME_MSEC, timeout);
FUNCTION_LOG_PARAM(BOOL, verifyPeer);
FUNCTION_LOG_PARAM(STRING, caFile);
FUNCTION_LOG_PARAM(STRING, caPath);
FUNCTION_LOG_END();
ASSERT(path != NULL);
ASSERT(bucket != NULL);
ASSERT(endPoint != NULL);
ASSERT(region != NULL);
ASSERT(accessKey != NULL);
ASSERT(secretAccessKey != NULL);
Storage *this = NULL;
MEM_CONTEXT_NEW_BEGIN("StorageS3")
{
StorageS3 *driver = memNew(sizeof(StorageS3));
driver->memContext = MEM_CONTEXT_NEW();
driver->bucket = strDup(bucket);
driver->region = strDup(region);
driver->accessKey = strDup(accessKey);
driver->secretAccessKey = strDup(secretAccessKey);
driver->securityToken = strDup(securityToken);
driver->partSize = partSize;
driver->host = host == NULL ? strNewFmt("%s.%s", strPtr(bucket), strPtr(endPoint)) : strDup(host);
driver->port = port;
// Force the signing key to be generated on the first run
driver->signingKeyDate = YYYYMMDD_STR;
// Create the http client used to service requests
driver->httpClient = httpClientNew(driver->host, driver->port, timeout, verifyPeer, caFile, caPath);
driver->headerRedactList = strLstAdd(strLstNew(), S3_HEADER_AUTHORIZATION_STR);
this = storageNewP(
STORAGE_S3_TYPE_STR, path, 0, 0, write, pathExpressionFunction, driver,
.exists = storageS3Exists, .info = storageS3Info, .list = storageS3List, .newRead = storageS3NewRead,
.newWrite = storageS3NewWrite, .pathCreate = storageS3PathCreate, .pathRemove = storageS3PathRemove,
.pathSync = storageS3PathSync, .remove = storageS3Remove);
}
MEM_CONTEXT_NEW_END();
FUNCTION_LOG_RETURN(STORAGE, this);
}