395271795c
nice to have now, even though there is not yet a stable release of Apt 0.7. - Bump PORTVERSION PR: 121771 Submitted by: maintainer
273 lines
7.3 KiB
C++
273 lines
7.3 KiB
C++
// -*- mode: cpp; mode: fold -*-
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// Description /*{{{*/
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// $Id: http.cc,v 1.59 2004/05/08 19:42:35 mdz Exp $
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/* ######################################################################
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HTTPS Acquire Method - This is the HTTPS aquire method for APT.
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It uses libcurl
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##################################################################### */
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/*}}}*/
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// Include Files /*{{{*/
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#include <apt-pkg/fileutl.h>
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#include <apt-pkg/acquire-method.h>
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#include <apt-pkg/error.h>
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#include <apt-pkg/hashes.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <utime.h>
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#include <unistd.h>
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#include <signal.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <iostream>
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#include <apti18n.h>
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#include <sstream>
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#include "config.h"
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#include "https.h"
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/*}}}*/
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using namespace std;
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size_t
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HttpsMethod::write_data(void *buffer, size_t size, size_t nmemb, void *userp)
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{
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HttpsMethod *me = (HttpsMethod *)userp;
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if(me->File->Write(buffer, size*nmemb) != true)
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return false;
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return size*nmemb;
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}
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int
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HttpsMethod::progress_callback(void *clientp, double dltotal, double dlnow,
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double ultotal, double ulnow)
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{
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HttpsMethod *me = (HttpsMethod *)clientp;
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if(dltotal > 0 && me->Res.Size == 0) {
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me->Res.Size = (unsigned long)dltotal;
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me->URIStart(me->Res);
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}
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return 0;
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}
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void HttpsMethod::SetupProxy()
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{
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URI ServerName = Queue->Uri;
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// Determine the proxy setting
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if (getenv("http_proxy") == 0)
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{
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string DefProxy = _config->Find("Acquire::http::Proxy");
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string SpecificProxy = _config->Find("Acquire::http::Proxy::" + ServerName.Host);
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if (SpecificProxy.empty() == false)
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{
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if (SpecificProxy == "DIRECT")
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Proxy = "";
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else
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Proxy = SpecificProxy;
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}
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else
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Proxy = DefProxy;
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}
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// Parse no_proxy, a , separated list of domains
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if (getenv("no_proxy") != 0)
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{
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if (CheckDomainList(ServerName.Host,getenv("no_proxy")) == true)
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Proxy = "";
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}
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// Determine what host and port to use based on the proxy settings
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string Host;
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if (Proxy.empty() == true || Proxy.Host.empty() == true)
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{
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}
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else
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{
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if (Proxy.Port != 0)
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curl_easy_setopt(curl, CURLOPT_PROXYPORT, Proxy.Port);
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curl_easy_setopt(curl, CURLOPT_PROXY, Proxy.Host.c_str());
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}
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}
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// HttpsMethod::Fetch - Fetch an item /*{{{*/
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// ---------------------------------------------------------------------
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/* This adds an item to the pipeline. We keep the pipeline at a fixed
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depth. */
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bool HttpsMethod::Fetch(FetchItem *Itm)
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{
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stringstream ss;
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struct stat SBuf;
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struct curl_slist *headers=NULL;
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char curl_errorstr[CURL_ERROR_SIZE];
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long curl_responsecode;
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// TODO:
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// - http::Timeout
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// - http::Pipeline-Depth
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// - error checking/reporting
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// - more debug options? (CURLOPT_DEBUGFUNCTION?)
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curl_easy_reset(curl);
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SetupProxy();
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// callbacks
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curl_easy_setopt(curl, CURLOPT_URL, Itm->Uri.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, this);
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curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, progress_callback);
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curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, this);
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curl_easy_setopt(curl, CURLOPT_NOPROGRESS, false);
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curl_easy_setopt(curl, CURLOPT_FAILONERROR, true);
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curl_easy_setopt(curl, CURLOPT_FILETIME, true);
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// FIXME: https: offer various options of verification
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bool peer_verify = _config->FindB("Acquire::https::Verify-Peer", false);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, peer_verify);
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// sslcert file
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string pem = _config->Find("Acquire::https::SslCert","");
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if(pem != "")
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curl_easy_setopt(curl, CURLOPT_SSLCERT, pem.c_str());
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// CA-Dir
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string certdir = _config->Find("Acquire::https::CaPath","");
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if(certdir != "")
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curl_easy_setopt(curl, CURLOPT_CAPATH, certdir.c_str());
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// Server-verify
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int verify = _config->FindI("Acquire::https::Verify-Host",2);
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curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, verify);
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// cache-control
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if(_config->FindB("Acquire::http::No-Cache",false) == false)
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{
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// cache enabled
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if (_config->FindB("Acquire::http::No-Store",false) == true)
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headers = curl_slist_append(headers,"Cache-Control: no-store");
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ioprintf(ss, "Cache-Control: max-age=%u", _config->FindI("Acquire::http::Max-Age",0));
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headers = curl_slist_append(headers, ss.str().c_str());
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} else {
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// cache disabled by user
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headers = curl_slist_append(headers, "Cache-Control: no-cache");
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headers = curl_slist_append(headers, "Pragma: no-cache");
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}
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curl_easy_setopt(curl, CURLOPT_HTTPHEADER, headers);
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// speed limit
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int dlLimit = _config->FindI("Acquire::http::Dl-Limit",0)*1024;
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if (dlLimit > 0)
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curl_easy_setopt(curl, CURLOPT_MAX_RECV_SPEED_LARGE, dlLimit);
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// set header
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curl_easy_setopt(curl, CURLOPT_USERAGENT,"Debian APT-CURL/1.0 ("VERSION")");
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// debug
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if(_config->FindB("Debug::Acquire::https", false))
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curl_easy_setopt(curl, CURLOPT_VERBOSE, true);
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// error handling
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curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, curl_errorstr);
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// if we have the file send an if-range query with a range header
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if (stat(Itm->DestFile.c_str(),&SBuf) >= 0 && SBuf.st_size > 0)
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{
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char Buf[1000];
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sprintf(Buf,"Range: bytes=%li-\r\nIf-Range: %s\r\n",
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(long)SBuf.st_size - 1,
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TimeRFC1123(SBuf.st_mtime).c_str());
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headers = curl_slist_append(headers, Buf);
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}
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else if(Itm->LastModified > 0)
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{
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curl_easy_setopt(curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
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curl_easy_setopt(curl, CURLOPT_TIMEVALUE, Itm->LastModified);
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}
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// go for it - if the file exists, append on it
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File = new FileFd(Itm->DestFile, FileFd::WriteAny);
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if (File->Size() > 0)
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File->Seek(File->Size() - 1);
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// keep apt updated
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Res.Filename = Itm->DestFile;
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// get it!
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CURLcode success = curl_easy_perform(curl);
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curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &curl_responsecode);
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long curl_servdate;
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curl_easy_getinfo(curl, CURLINFO_FILETIME, &curl_servdate);
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// cleanup
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if(success != 0)
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{
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unlink(File->Name().c_str());
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_error->Error(curl_errorstr);
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Fail();
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return true;
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}
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File->Close();
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// Timestamp
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struct utimbuf UBuf;
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if (curl_servdate != -1) {
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UBuf.actime = curl_servdate;
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UBuf.modtime = curl_servdate;
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utime(File->Name().c_str(),&UBuf);
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}
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// check the downloaded result
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struct stat Buf;
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if (stat(File->Name().c_str(),&Buf) == 0)
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{
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Res.Filename = File->Name();
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Res.LastModified = Buf.st_mtime;
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Res.IMSHit = false;
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if (curl_responsecode == 304)
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{
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unlink(File->Name().c_str());
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Res.IMSHit = true;
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Res.LastModified = Itm->LastModified;
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Res.Size = 0;
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URIDone(Res);
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return true;
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}
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Res.Size = Buf.st_size;
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}
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// take hashes
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Hashes Hash;
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FileFd Fd(Res.Filename, FileFd::ReadOnly);
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Hash.AddFD(Fd.Fd(), Fd.Size());
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Res.TakeHashes(Hash);
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// keep apt updated
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URIDone(Res);
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// cleanup
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Res.Size = 0;
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delete File;
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curl_slist_free_all(headers);
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return true;
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};
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int main()
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{
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setlocale(LC_ALL, "");
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HttpsMethod Mth;
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curl_global_init(CURL_GLOBAL_SSL) ;
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return Mth.Run();
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}
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