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/*****************************************************************************
* CURLHTTPTransport functions
*
*
*
* Copyright 2009 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include <curlhttpt.h>
#include <fcntl.h>
#include <curl/curl.h>
#include <curl/types.h>
#include <curl/easy.h>
#include <swlog.h>
SWORD_NAMESPACE_START
struct FtpFile {
const char *filename;
FILE *stream;
SWBuf *destBuf;
};
int my_httpfwrite(void *buffer, size_t size, size_t nmemb, void *stream);
int my_httpfprogress(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow);
static CURLHTTPTransport_init _CURLHTTPTransport_init;
CURLHTTPTransport_init::CURLHTTPTransport_init() {
//curl_global_init(CURL_GLOBAL_DEFAULT); // curl_easy_init automatically calls it if needed
}
CURLHTTPTransport_init::~CURLHTTPTransport_init() {
// CURLFTPT d-tor cleans this up
// curl_global_cleanup();
}
int my_httpfwrite(void *buffer, size_t size, size_t nmemb, void *stream) {
struct FtpFile *out=(struct FtpFile *)stream;
if (out && !out->stream && !out->destBuf) {
/* open file for writing */
out->stream=fopen(out->filename, "wb");
if (!out->stream)
return -1; /* failure, can't open file to write */
}
if (out->destBuf) {
int s = out->destBuf->size();
out->destBuf->size(s+(size*nmemb));
memcpy(out->destBuf->getRawData()+s, buffer, size*nmemb);
return nmemb;
}
return fwrite(buffer, size, nmemb, out->stream);
}
int my_httpfprogress(void *clientp, double dltotal, double dlnow, double ultotal, double ulnow) {
if (clientp) {
((StatusReporter *)clientp)->statusUpdate(dltotal, dlnow);
}
return 0;
}
static int myhttp_trace(CURL *handle, curl_infotype type, unsigned char *data, size_t size, void *userp) {
SWBuf header;
(void)userp; /* prevent compiler warning */
(void)handle; /* prevent compiler warning */
switch (type) {
case CURLINFO_TEXT: header = "TEXT"; break;
case CURLINFO_HEADER_OUT: header = "=> Send header"; break;
case CURLINFO_HEADER_IN: header = "<= Recv header"; break;
// these we don't want to log (HUGE)
case CURLINFO_DATA_OUT: header = "=> Send data";
case CURLINFO_SSL_DATA_OUT: header = "=> Send SSL data";
case CURLINFO_DATA_IN: header = "<= Recv data";
case CURLINFO_SSL_DATA_IN: header = "<= Recv SSL data";
default: /* in case a new one is introduced to shock us */
return 0;
}
if (size > 120) size = 120;
SWBuf text;
text.size(size);
memcpy(text.getRawData(), data, size);
SWLog::getSystemLog()->logDebug("CURLHTTPTransport: %s: %s", header.c_str(), text.c_str());
return 0;
}
CURLHTTPTransport::CURLHTTPTransport(const char *host, StatusReporter *sr) : FTPTransport(host, sr) {
session = (CURL *)curl_easy_init();
}
CURLHTTPTransport::~CURLHTTPTransport() {
curl_easy_cleanup(session);
}
char CURLHTTPTransport::getURL(const char *destPath, const char *sourceURL, SWBuf *destBuf) {
signed char retVal = 0;
struct FtpFile ftpfile = {destPath, 0, destBuf};
CURLcode res;
if (session) {
curl_easy_setopt(session, CURLOPT_URL, sourceURL);
SWBuf credentials = u + ":" + p;
curl_easy_setopt(session, CURLOPT_USERPWD, credentials.c_str());
curl_easy_setopt(session, CURLOPT_WRITEFUNCTION, my_httpfwrite);
if (!passive)
curl_easy_setopt(session, CURLOPT_FTPPORT, "-");
curl_easy_setopt(session, CURLOPT_NOPROGRESS, 0);
curl_easy_setopt(session, CURLOPT_PROGRESSDATA, statusReporter);
curl_easy_setopt(session, CURLOPT_PROGRESSFUNCTION, my_httpfprogress);
curl_easy_setopt(session, CURLOPT_DEBUGFUNCTION, myhttp_trace);
/* Set a pointer to our struct to pass to the callback */
curl_easy_setopt(session, CURLOPT_FILE, &ftpfile);
/* Switch on full protocol/debug output */
curl_easy_setopt(session, CURLOPT_VERBOSE, true);
/* FTP connection settings */
#if (LIBCURL_VERSION_MAJOR > 7) || \
((LIBCURL_VERSION_MAJOR == 7) && (LIBCURL_VERSION_MINOR > 10)) || \
((LIBCURL_VERSION_MAJOR == 7) && (LIBCURL_VERSION_MINOR == 10) && (LIBCURL_VERSION_PATCH >= 5))
# define EPRT_AVAILABLE 1
#endif
#ifdef EPRT_AVAILABLE
curl_easy_setopt(session, CURLOPT_FTP_USE_EPRT, 0);
SWLog::getSystemLog()->logDebug("***** using CURLOPT_FTP_USE_EPRT\n");
#endif
SWLog::getSystemLog()->logDebug("***** About to perform curl easy action. \n");
SWLog::getSystemLog()->logDebug("***** destPath: %s \n", destPath);
SWLog::getSystemLog()->logDebug("***** sourceURL: %s \n", sourceURL);
res = curl_easy_perform(session);
SWLog::getSystemLog()->logDebug("***** Finished performing curl easy action. \n");
if(CURLE_OK != res) {
retVal = -1;
}
}
if (ftpfile.stream)
fclose(ftpfile.stream); /* close the local file */
return retVal;
}
SWORD_NAMESPACE_END
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