1 /*---------------------------------------------------------------------\
3 | |__ / \ / / . \ . \ |
8 \---------------------------------------------------------------------*/
9 /** \file zypp/media/MediaCurl.cc
16 #include "zypp/base/Logger.h"
17 #include "zypp/ExternalProgram.h"
18 #include "zypp/base/String.h"
19 #include "zypp/base/Gettext.h"
20 #include "zypp/base/Sysconfig.h"
21 #include "zypp/base/Gettext.h"
23 #include "zypp/media/MediaCurl.h"
24 #include "zypp/media/proxyinfo/ProxyInfos.h"
25 #include "zypp/media/ProxyInfo.h"
26 #include "zypp/media/MediaUserAuth.h"
27 #include "zypp/media/CredentialManager.h"
28 #include "zypp/media/CurlConfig.h"
29 #include "zypp/thread/Once.h"
30 #include "zypp/Target.h"
31 #include "zypp/ZYppFactory.h"
34 #include <sys/types.h>
36 #include <sys/mount.h>
40 #include <boost/format.hpp>
42 #define DETECT_DIR_INDEX 0
43 #define CONNECT_TIMEOUT 60
44 #define TRANSFER_TIMEOUT 60 * 3
45 #define TRANSFER_TIMEOUT_MAX 60 * 60
49 using namespace zypp::base;
53 zypp::thread::OnceFlag g_InitOnceFlag = PTHREAD_ONCE_INIT;
54 zypp::thread::OnceFlag g_FreeOnceFlag = PTHREAD_ONCE_INIT;
56 extern "C" void _do_free_once()
58 curl_global_cleanup();
61 extern "C" void globalFreeOnce()
63 zypp::thread::callOnce(g_FreeOnceFlag, _do_free_once);
66 extern "C" void _do_init_once()
68 CURLcode ret = curl_global_init( CURL_GLOBAL_ALL );
71 WAR << "curl global init failed" << endl;
75 // register at exit handler ?
76 // this may cause trouble, because we can protect it
77 // against ourself only.
78 // if the app sets an atexit handler as well, it will
79 // cause a double free while the second of them runs.
81 //std::atexit( globalFreeOnce);
84 inline void globalInitOnce()
86 zypp::thread::callOnce(g_InitOnceFlag, _do_init_once);
89 int log_curl(CURL *curl, curl_infotype info,
90 char *ptr, size_t len, void *max_lvl)
96 case CURLINFO_TEXT: lvl = 1; pfx = "*"; break;
97 case CURLINFO_HEADER_IN: lvl = 2; pfx = "<"; break;
98 case CURLINFO_HEADER_OUT: lvl = 2; pfx = ">"; break;
101 if( lvl > 0 && max_lvl != NULL && lvl <= *((long *)max_lvl))
103 std::string msg(ptr, len);
104 std::list<std::string> lines;
105 std::list<std::string>::const_iterator line;
106 zypp::str::split(msg, std::back_inserter(lines), "\r\n");
107 for(line = lines.begin(); line != lines.end(); ++line)
109 DBG << pfx << " " << *line << endl;
122 ProgressData(const long _timeout, const zypp::Url &_url = zypp::Url(),
123 callback::SendReport<DownloadProgressReport> *_report=NULL)
138 callback::SendReport<DownloadProgressReport> *report;
139 // download rate of the last period (cca 1 sec)
141 // bytes downloaded at the start of the last period
143 // seconds from the start of the download
145 // average download rate
147 // last time the progress was reported
149 // bytes downloaded at the moment the progress was last reported
151 // bytes uploaded at the moment the progress was last reported
156 ///////////////////////////////////////////////////////////////////
158 inline void escape( string & str_r,
159 const char char_r, const string & escaped_r ) {
160 for ( string::size_type pos = str_r.find( char_r );
161 pos != string::npos; pos = str_r.find( char_r, pos ) ) {
162 str_r.replace( pos, 1, escaped_r );
166 inline string escapedPath( string path_r ) {
167 escape( path_r, ' ', "%20" );
171 inline string unEscape( string text_r ) {
172 char * tmp = curl_unescape( text_r.c_str(), 0 );
181 * Fills the settings structure using options passed on the url
182 * for example ?timeout=x&proxy=foo
184 void fillSettingsFromUrl( const Url &url, TransferSettings &s )
186 std::string param(url.getQueryParam("timeout"));
189 long num = str::strtonum<long>(param);
190 if( num >= 0 && num <= TRANSFER_TIMEOUT_MAX)
194 if ( ! url.getUsername().empty() )
196 s.setUsername(url.getUsername());
197 if ( url.getPassword().size() )
198 s.setPassword(url.getPassword());
202 // if there is no username, set anonymous auth
203 if ( url.getScheme() == "ftp" && s.username().empty() )
204 s.setAnonymousAuth();
207 if ( url.getScheme() == "https" )
209 s.setVerifyPeerEnabled(false);
210 s.setVerifyHostEnabled(false);
212 std::string verify( url.getQueryParam("ssl_verify"));
213 if( verify.empty() ||
216 s.setVerifyPeerEnabled(true);
217 s.setVerifyHostEnabled(true);
219 else if( verify == "no")
221 s.setVerifyPeerEnabled(false);
222 s.setVerifyHostEnabled(false);
226 std::vector<std::string> flags;
227 std::vector<std::string>::const_iterator flag;
228 str::split( verify, std::back_inserter(flags), ",");
229 for(flag = flags.begin(); flag != flags.end(); ++flag)
232 s.setVerifyHostEnabled(true);
233 else if( *flag == "peer")
234 s.setVerifyPeerEnabled(true);
236 ZYPP_THROW(MediaBadUrlException(url, "Unknown ssl_verify flag"));
241 Pathname ca_path = Pathname(url.getQueryParam("ssl_capath")).asString();
242 if( ! ca_path.empty())
244 if( !PathInfo(ca_path).isDir() || !Pathname(ca_path).absolute())
245 ZYPP_THROW(MediaBadUrlException(url, "Invalid ssl_capath path"));
247 s.setCertificateAuthoritiesPath(ca_path);
250 string proxy = url.getQueryParam( "proxy" );
251 if ( ! proxy.empty() )
253 string proxyport( url.getQueryParam( "proxyport" ) );
254 if ( ! proxyport.empty() ) {
255 proxy += ":" + proxyport;
258 s.setProxyEnabled(true);
263 * Reads the system proxy configuration and fills the settings
264 * structure proxy information
266 void fillSettingsSystemProxy( const Url&url, TransferSettings &s )
268 ProxyInfo proxy_info (ProxyInfo::ImplPtr(new ProxyInfoSysconfig("proxy")));
270 if ( proxy_info.enabled())
272 s.setProxyEnabled(true);
273 std::list<std::string> nope = proxy_info.noProxy();
274 for (ProxyInfo::NoProxyIterator it = proxy_info.noProxyBegin();
275 it != proxy_info.noProxyEnd();
278 std::string host( str::toLower(url.getHost()));
279 std::string temp( str::toLower(*it));
281 // no proxy if it points to a suffix
282 // preceeded by a '.', that maches
283 // the trailing portion of the host.
284 if( temp.size() > 1 && temp.at(0) == '.')
286 if(host.size() > temp.size() &&
287 host.compare(host.size() - temp.size(), temp.size(), temp) == 0)
289 DBG << "NO_PROXY: '" << *it << "' matches host '"
290 << host << "'" << endl;
291 s.setProxyEnabled(false);
296 // no proxy if we have an exact match
299 DBG << "NO_PROXY: '" << *it << "' matches host '"
300 << host << "'" << endl;
301 s.setProxyEnabled(false);
306 if ( s.proxyEnabled() )
307 s.setProxy(proxy_info.proxy(url.getScheme()));
311 Pathname MediaCurl::_cookieFile = "/var/lib/YaST2/cookies";
314 * initialized only once, this gets the anonymous id
315 * from the target, which we pass in the http header
317 static const char *const anonymousIdHeader()
319 // we need to add the release and identifier to the
321 // The target could be not initialized, and then this information
323 Target_Ptr target = zypp::getZYpp()->getTarget();
325 static const std::string _value(
326 str::trim( str::form(
327 "X-ZYpp-AnonymousId: %s",
328 target ? target->anonymousUniqueId().c_str() : "" ) )
330 return _value.c_str();
334 * initialized only once, this gets the distribution flavor
335 * from the target, which we pass in the http header
337 static const char *const distributionFlavorHeader()
339 // we need to add the release and identifier to the
341 // The target could be not initialized, and then this information
343 Target_Ptr target = zypp::getZYpp()->getTarget();
345 static const std::string _value(
346 str::trim( str::form(
347 "X-ZYpp-DistributionFlavor: %s",
348 target ? target->distributionFlavor().c_str() : "" ) )
350 return _value.c_str();
354 * initialized only once, this gets the agent string
355 * which also includes the curl version
357 static const char *const agentString()
359 // we need to add the release and identifier to the
361 // The target could be not initialized, and then this information
363 Target_Ptr target = zypp::getZYpp()->getTarget();
365 static const std::string _value(
367 "ZYpp %s (curl %s) %s"
369 , curl_version_info(CURLVERSION_NOW)->version
370 , target ? target->targetDistribution().c_str() : ""
373 return _value.c_str();
376 // we use this define to unbloat code as this C setting option
377 // and catching exception is done frequently.
378 #define SET_OPTION(opt,val) { \
379 ret = curl_easy_setopt ( _curl, opt, val ); \
382 ZYPP_THROW(MediaCurlSetOptException(_url, _curlError)); \
386 MediaCurl::MediaCurl( const Url & url_r,
387 const Pathname & attach_point_hint_r )
388 : MediaHandler( url_r, attach_point_hint_r,
389 "/", // urlpath at attachpoint
390 true ), // does_download
394 _curlError[0] = '\0';
397 MIL << "MediaCurl::MediaCurl(" << url_r << ", " << attach_point_hint_r << ")" << endl;
401 if( !attachPoint().empty())
403 PathInfo ainfo(attachPoint());
404 Pathname apath(attachPoint() + "XXXXXX");
405 char *atemp = ::strdup( apath.asString().c_str());
407 if( !ainfo.isDir() || !ainfo.userMayRWX() ||
408 atemp == NULL || (atest=::mkdtemp(atemp)) == NULL)
410 WAR << "attach point " << ainfo.path()
411 << " is not useable for " << url_r.getScheme() << endl;
412 setAttachPoint("", true);
414 else if( atest != NULL)
422 void MediaCurl::setCookieFile( const Pathname &fileName )
424 _cookieFile = fileName;
427 ///////////////////////////////////////////////////////////////////
429 void MediaCurl::attachTo (bool next)
432 ZYPP_THROW(MediaNotSupportedException(_url));
434 if ( !_url.isValid() )
435 ZYPP_THROW(MediaBadUrlException(_url));
438 CurlConfig::parseConfig(curlconf); // parse ~/.curlrc
440 curl_version_info_data *curl_info = NULL;
441 curl_info = curl_version_info(CURLVERSION_NOW);
442 // curl_info does not need any free (is static)
443 if (curl_info->protocols)
445 const char * const *proto;
446 std::string scheme( _url.getScheme());
448 for(proto=curl_info->protocols; !found && *proto; ++proto)
450 if( scheme == std::string((const char *)*proto))
455 std::string msg("Unsupported protocol '");
458 ZYPP_THROW(MediaBadUrlException(_url, msg));
462 if( !isUseableAttachPoint(attachPoint()))
464 std::string mountpoint = createAttachPoint().asString();
466 if( mountpoint.empty())
467 ZYPP_THROW( MediaBadAttachPointException(url()));
469 setAttachPoint( mountpoint, true);
472 disconnectFrom(); // clean _curl if needed
473 _curl = curl_easy_init();
475 ZYPP_THROW(MediaCurlInitException(_url));
479 char *ptr = getenv("ZYPP_MEDIA_CURL_DEBUG");
480 _curlDebug = (ptr && *ptr) ? str::strtonum<long>( ptr) : 0L;
483 curl_easy_setopt( _curl, CURLOPT_VERBOSE, 1);
484 curl_easy_setopt( _curl, CURLOPT_DEBUGFUNCTION, log_curl);
485 curl_easy_setopt( _curl, CURLOPT_DEBUGDATA, &_curlDebug);
489 CURLcode ret = curl_easy_setopt( _curl, CURLOPT_ERRORBUFFER, _curlError );
492 ZYPP_THROW(MediaCurlSetOptException(_url, "Error setting error buffer"));
495 SET_OPTION(CURLOPT_FAILONERROR,true);
496 SET_OPTION(CURLOPT_NOSIGNAL, 1);
498 // add custom headers
499 _settings.addHeader(anonymousIdHeader());
500 _settings.addHeader(distributionFlavorHeader());
501 _settings.addHeader("Pragma:");
503 _settings.setTimeout(TRANSFER_TIMEOUT);
504 _settings.setConnectTimeout(CONNECT_TIMEOUT);
506 _settings.setUserAgentString(agentString());
508 // fill some settings from url query parameters
511 fillSettingsFromUrl(_url, _settings);
513 catch ( const MediaException &e )
519 // if the proxy was not set by url, then look
520 if ( _settings.proxy().empty() )
522 // at the system proxy settings
523 fillSettingsSystemProxy(_url, _settings);
526 DBG << "Proxy: " << (_settings.proxy().empty() ? "-none-" : _settings.proxy()) << endl;
531 SET_OPTION(CURLOPT_CONNECTTIMEOUT, _settings.connectTimeout());
533 if ( _url.getScheme() == "http" )
535 // follow any Location: header that the server sends as part of
536 // an HTTP header (#113275)
537 SET_OPTION(CURLOPT_FOLLOWLOCATION, true);
538 SET_OPTION(CURLOPT_MAXREDIRS, 3L);
539 SET_OPTION(CURLOPT_USERAGENT, _settings.userAgentString().c_str() );
542 if ( _url.getScheme() == "https" )
544 if( _settings.verifyPeerEnabled() ||
545 _settings.verifyHostEnabled() )
547 SET_OPTION(CURLOPT_CAPATH, _settings.certificateAuthoritiesPath().c_str());
550 SET_OPTION(CURLOPT_SSL_VERIFYPEER, _settings.verifyPeerEnabled() ? 1L : 0L);
551 SET_OPTION(CURLOPT_SSL_VERIFYHOST, _settings.verifyHostEnabled() ? 2L : 0L);
552 SET_OPTION(CURLOPT_USERAGENT, _settings.userAgentString().c_str() );
555 /*---------------------------------------------------------------*
556 CURLOPT_USERPWD: [user name]:[password]
558 Url::username/password -> CURLOPT_USERPWD
559 If not provided, anonymous FTP identification
560 *---------------------------------------------------------------*/
562 if ( _settings.userPassword().size() )
564 SET_OPTION(CURLOPT_USERPWD, unEscape(_settings.userPassword()).c_str());
566 //FIXME, we leave this here for now, as it does not make sense yet
567 // to refactor it to the fill settings from url function
569 // HTTP authentication type
570 if(_url.getScheme() == "http" || _url.getScheme() == "https")
572 string use_auth = _url.getQueryParam("auth");
573 if( use_auth.empty())
574 use_auth = "digest,basic";
578 long auth = CurlAuthData::auth_type_str2long(use_auth);
579 if( auth != CURLAUTH_NONE)
581 DBG << "Enabling HTTP authentication methods: " << use_auth
582 << " (CURLOPT_HTTPAUTH=" << auth << ")" << std::endl;
584 SET_OPTION(CURLOPT_HTTPAUTH, auth);
587 catch (MediaException & ex_r)
589 string auth_hint = getAuthHint();
591 DBG << "Rethrowing as MediaUnauthorizedException. auth hint: '"
592 << auth_hint << "'" << endl;
594 ZYPP_THROW(MediaUnauthorizedException(
595 _url, ex_r.msg(), _curlError, auth_hint
601 if ( _settings.proxyEnabled() )
603 if ( ! _settings.proxy().empty() )
605 SET_OPTION(CURLOPT_PROXY, _settings.proxy().c_str());
606 /*---------------------------------------------------------------*
607 CURLOPT_PROXYUSERPWD: [user name]:[password]
609 Url::option(proxyuser and proxypassword) -> CURLOPT_PROXYUSERPWD
610 If not provided, $HOME/.curlrc is evaluated
611 *---------------------------------------------------------------*/
613 string proxyuserpwd = _settings.proxyUserPassword();
615 if ( proxyuserpwd.empty() )
617 if (curlconf.proxyuserpwd.empty())
618 DBG << "~/.curlrc does not contain the proxy-user option" << endl;
621 proxyuserpwd = curlconf.proxyuserpwd;
622 DBG << "using proxy-user from ~/.curlrc" << endl;
626 proxyuserpwd = unEscape( proxyuserpwd );
627 if ( ! proxyuserpwd.empty() )
628 SET_OPTION(CURLOPT_PROXYUSERPWD, proxyuserpwd.c_str());
633 if ( _settings.minDownloadSpeed() != 0 )
635 SET_OPTION(CURLOPT_LOW_SPEED_LIMIT, _settings.minDownloadSpeed());
636 // default to 10 seconds at low speed
637 SET_OPTION(CURLOPT_LOW_SPEED_TIME, 10);
640 if ( _settings.maxDownloadSpeed() != 0 )
641 SET_OPTION(CURLOPT_MAX_RECV_SPEED_LARGE, _settings.maxDownloadSpeed());
643 /*---------------------------------------------------------------*
644 *---------------------------------------------------------------*/
646 _currentCookieFile = _cookieFile.asString();
647 SET_OPTION(CURLOPT_COOKIEFILE, _currentCookieFile.c_str() );
648 SET_OPTION(CURLOPT_COOKIEJAR, _currentCookieFile.c_str() );
649 SET_OPTION(CURLOPT_PROGRESSFUNCTION, &progressCallback );
650 SET_OPTION(CURLOPT_NOPROGRESS, false );
653 SET_OPTION(CURLOPT_PROXY_TRANSFER_MODE, 1 );
655 // append settings custom headers to curl
656 for ( TransferSettings::Headers::const_iterator it = _settings.headersBegin();
657 it != _settings.headersEnd();
661 _customHeaders = curl_slist_append(_customHeaders, it->c_str());
662 if ( !_customHeaders )
663 ZYPP_THROW(MediaCurlInitException(_url));
666 SET_OPTION(CURLOPT_HTTPHEADER, _customHeaders);
668 // FIXME: need a derived class to propelly compare url's
669 MediaSourceRef media( new MediaSource(_url.getScheme(), _url.asString()));
670 setMediaSource(media);
674 MediaCurl::checkAttachPoint(const Pathname &apoint) const
676 return MediaHandler::checkAttachPoint( apoint, true, true);
679 ///////////////////////////////////////////////////////////////////
681 void MediaCurl::disconnectFrom()
683 if ( _customHeaders )
685 curl_slist_free_all(_customHeaders);
691 curl_easy_cleanup( _curl );
696 ///////////////////////////////////////////////////////////////////
698 void MediaCurl::releaseFrom( const std::string & ejectDev )
703 static Url getFileUrl(const Url & url, const Pathname & filename)
706 string path = url.getPathName();
707 if ( !path.empty() && path != "/" && *path.rbegin() == '/' &&
708 filename.absolute() )
710 // If url has a path with trailing slash, remove the leading slash from
711 // the absolute file name
712 path += filename.asString().substr( 1, filename.asString().size() - 1 );
714 else if ( filename.relative() )
716 // Add trailing slash to path, if not already there
717 if (path.empty()) path = "/";
718 else if (*path.rbegin() != '/' ) path += "/";
719 // Remove "./" from begin of relative file name
720 path += filename.asString().substr( 2, filename.asString().size() - 2 );
724 path += filename.asString();
727 newurl.setPathName(path);
731 ///////////////////////////////////////////////////////////////////
733 void MediaCurl::getFile( const Pathname & filename ) const
735 // Use absolute file name to prevent access of files outside of the
736 // hierarchy below the attach point.
737 getFileCopy(filename, localPath(filename).absolutename());
740 ///////////////////////////////////////////////////////////////////
742 void MediaCurl::getFileCopy( const Pathname & filename , const Pathname & target) const
744 callback::SendReport<DownloadProgressReport> report;
746 Url fileurl(getFileUrl(_url, filename));
754 doGetFileCopy(filename, target, report);
757 // retry with proper authentication data
758 catch (MediaUnauthorizedException & ex_r)
760 if(authenticate(ex_r.hint(), !retry))
764 report->finish(fileurl, zypp::media::DownloadProgressReport::ACCESS_DENIED, ex_r.asUserHistory());
768 // unexpected exception
769 catch (MediaException & excpt_r)
771 // FIXME: error number fix
772 report->finish(fileurl, zypp::media::DownloadProgressReport::ERROR, excpt_r.asUserHistory());
773 ZYPP_RETHROW(excpt_r);
778 report->finish(fileurl, zypp::media::DownloadProgressReport::NO_ERROR, "");
781 ///////////////////////////////////////////////////////////////////
783 bool MediaCurl::getDoesFileExist( const Pathname & filename ) const
791 return doGetDoesFileExist( filename );
793 // authentication problem, retry with proper authentication data
794 catch (MediaUnauthorizedException & ex_r)
796 if(authenticate(ex_r.hint(), !retry))
801 // unexpected exception
802 catch (MediaException & excpt_r)
804 ZYPP_RETHROW(excpt_r);
812 ///////////////////////////////////////////////////////////////////
814 void MediaCurl::evaluateCurlCode( const Pathname &filename,
816 bool timeout_reached ) const
818 Url url(getFileUrl(_url, filename));
827 case CURLE_UNSUPPORTED_PROTOCOL:
828 case CURLE_URL_MALFORMAT:
829 case CURLE_URL_MALFORMAT_USER:
831 case CURLE_LOGIN_DENIED:
833 MediaUnauthorizedException(url, "Login failed.", _curlError, ""));
835 case CURLE_HTTP_RETURNED_ERROR:
837 long httpReturnCode = 0;
838 CURLcode infoRet = curl_easy_getinfo( _curl,
839 CURLINFO_RESPONSE_CODE,
841 if ( infoRet == CURLE_OK )
843 string msg = "HTTP response: " + str::numstring( httpReturnCode );
844 switch ( httpReturnCode )
848 string auth_hint = getAuthHint();
850 DBG << msg << " Login failed (URL: " << url.asString() << ")" << std::endl;
851 DBG << "MediaUnauthorizedException auth hint: '" << auth_hint << "'" << std::endl;
853 ZYPP_THROW(MediaUnauthorizedException(
854 url, "Login failed.", _curlError, auth_hint
858 case 503: // service temporarily unavailable (bnc #462545)
859 ZYPP_THROW(MediaTemporaryProblemException(url));
860 case 504: // gateway timeout
861 ZYPP_THROW(MediaTimeoutException(url));
863 ZYPP_THROW(MediaForbiddenException(url));
865 ZYPP_THROW(MediaFileNotFoundException(_url, filename));
868 DBG << msg << " (URL: " << url.asString() << ")" << std::endl;
869 ZYPP_THROW(MediaCurlException(url, msg, _curlError));
873 string msg = "Unable to retrieve HTTP response:";
874 DBG << msg << " (URL: " << url.asString() << ")" << std::endl;
875 ZYPP_THROW(MediaCurlException(url, msg, _curlError));
879 case CURLE_FTP_COULDNT_RETR_FILE:
880 case CURLE_FTP_ACCESS_DENIED:
881 err = "File not found";
882 ZYPP_THROW(MediaFileNotFoundException(_url, filename));
884 case CURLE_BAD_PASSWORD_ENTERED:
885 case CURLE_FTP_USER_PASSWORD_INCORRECT:
886 err = "Login failed";
888 case CURLE_COULDNT_RESOLVE_PROXY:
889 case CURLE_COULDNT_RESOLVE_HOST:
890 case CURLE_COULDNT_CONNECT:
891 case CURLE_FTP_CANT_GET_HOST:
892 err = "Connection failed";
894 case CURLE_WRITE_ERROR:
897 case CURLE_ABORTED_BY_CALLBACK:
898 case CURLE_OPERATION_TIMEDOUT:
901 err = "Timeout reached";
902 ZYPP_THROW(MediaTimeoutException(url));
909 case CURLE_SSL_PEER_CERTIFICATE:
911 err = "Unrecognized error";
915 // uhm, no 0 code but unknown curl exception
916 ZYPP_THROW(MediaCurlException(url, err, _curlError));
918 catch (const MediaException & excpt_r)
920 ZYPP_RETHROW(excpt_r);
925 // actually the code is 0, nothing happened
929 ///////////////////////////////////////////////////////////////////
931 bool MediaCurl::doGetDoesFileExist( const Pathname & filename ) const
933 DBG << filename.asString() << endl;
936 ZYPP_THROW(MediaBadUrlException(_url));
938 if(_url.getHost().empty())
939 ZYPP_THROW(MediaBadUrlEmptyHostException(_url));
941 Url url(getFileUrl(_url, filename));
943 DBG << "URL: " << url.asString() << endl;
944 // Use URL without options and without username and passwd
945 // (some proxies dislike them in the URL).
946 // Curl seems to need the just scheme, hostname and a path;
947 // the rest was already passed as curl options (in attachTo).
950 // Use asString + url::ViewOptions instead?
951 curlUrl.setUsername( "" );
952 curlUrl.setPassword( "" );
953 curlUrl.setPathParams( "" );
954 curlUrl.setQueryString( "" );
955 curlUrl.setFragment( "" );
958 // See also Bug #154197 and ftp url definition in RFC 1738:
959 // The url "ftp://user@host/foo/bar/file" contains a path,
960 // that is relative to the user's home.
961 // The url "ftp://user@host//foo/bar/file" (or also with
962 // encoded slash as %2f) "ftp://user@host/%2ffoo/bar/file"
963 // contains an absolute path.
965 string urlBuffer( curlUrl.asString());
966 CURLcode ret = curl_easy_setopt( _curl, CURLOPT_URL,
969 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
972 // instead of returning no data with NOBODY, we return
973 // little data, that works with broken servers, and
974 // works for ftp as well, because retrieving only headers
975 // ftp will return always OK code ?
976 // See http://curl.haxx.se/docs/knownbugs.html #58
977 if ( _url.getScheme() == "http" || _url.getScheme() == "https" )
978 ret = curl_easy_setopt( _curl, CURLOPT_NOBODY, 1 );
980 ret = curl_easy_setopt( _curl, CURLOPT_RANGE, "0-1" );
983 curl_easy_setopt( _curl, CURLOPT_NOBODY, NULL );
984 curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
985 /* yes, this is why we never got to get NOBODY working before,
986 because setting it changes this option too, and we also
988 See: http://curl.haxx.se/mail/archive-2005-07/0073.html
990 curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1 );
991 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
994 FILE *file = ::fopen( "/dev/null", "w" );
997 ERR << "fopen failed for /dev/null" << endl;
998 curl_easy_setopt( _curl, CURLOPT_NOBODY, NULL );
999 curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
1000 /* yes, this is why we never got to get NOBODY working before,
1001 because setting it changes this option too, and we also
1003 See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1005 curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1 );
1007 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1009 ZYPP_THROW(MediaWriteException("/dev/null"));
1012 ret = curl_easy_setopt( _curl, CURLOPT_WRITEDATA, file );
1015 std::string err( _curlError);
1016 curl_easy_setopt( _curl, CURLOPT_RANGE, NULL );
1017 curl_easy_setopt( _curl, CURLOPT_NOBODY, NULL );
1018 /* yes, this is why we never got to get NOBODY working before,
1019 because setting it changes this option too, and we also
1021 See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1023 curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1 );
1025 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1027 ZYPP_THROW(MediaCurlSetOptException(url, err));
1030 CURLcode ok = curl_easy_perform( _curl );
1031 MIL << "perform code: " << ok << " [ " << curl_easy_strerror(ok) << " ]" << endl;
1033 // reset curl settings
1034 if ( _url.getScheme() == "http" || _url.getScheme() == "https" )
1036 curl_easy_setopt( _curl, CURLOPT_NOBODY, NULL );
1038 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1041 /* yes, this is why we never got to get NOBODY working before,
1042 because setting it changes this option too, and we also
1044 See: http://curl.haxx.se/mail/archive-2005-07/0073.html
1046 curl_easy_setopt( _curl, CURLOPT_HTTPGET, 1);
1048 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1054 // for FTP we set different options
1055 curl_easy_setopt( _curl, CURLOPT_RANGE, NULL);
1057 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1061 // if the code is not zero, close the file
1065 // as we are not having user interaction, the user can't cancel
1066 // the file existence checking, a callback or timeout return code
1067 // will be always a timeout.
1069 evaluateCurlCode( filename, ok, true /* timeout */);
1071 catch ( const MediaFileNotFoundException &e ) {
1072 // if the file did not exist then we can return false
1075 catch ( const MediaException &e ) {
1076 // some error, we are not sure about file existence, rethrw
1080 return ( ok == CURLE_OK );
1083 ///////////////////////////////////////////////////////////////////
1085 void MediaCurl::doGetFileCopy( const Pathname & filename , const Pathname & target, callback::SendReport<DownloadProgressReport> & report, RequestOptions options ) const
1087 DBG << filename.asString() << endl;
1090 ZYPP_THROW(MediaBadUrlException(_url));
1092 if(_url.getHost().empty())
1093 ZYPP_THROW(MediaBadUrlEmptyHostException(_url));
1095 Url url(getFileUrl(_url, filename));
1097 Pathname dest = target.absolutename();
1098 if( assert_dir( dest.dirname() ) )
1100 DBG << "assert_dir " << dest.dirname() << " failed" << endl;
1101 ZYPP_THROW( MediaSystemException(url, "System error on " + dest.dirname().asString()) );
1104 DBG << "URL: " << url.asString() << endl;
1105 // Use URL without options and without username and passwd
1106 // (some proxies dislike them in the URL).
1107 // Curl seems to need the just scheme, hostname and a path;
1108 // the rest was already passed as curl options (in attachTo).
1111 // Use asString + url::ViewOptions instead?
1112 curlUrl.setUsername( "" );
1113 curlUrl.setPassword( "" );
1114 curlUrl.setPathParams( "" );
1115 curlUrl.setQueryString( "" );
1116 curlUrl.setFragment( "" );
1119 // See also Bug #154197 and ftp url definition in RFC 1738:
1120 // The url "ftp://user@host/foo/bar/file" contains a path,
1121 // that is relative to the user's home.
1122 // The url "ftp://user@host//foo/bar/file" (or also with
1123 // encoded slash as %2f) "ftp://user@host/%2ffoo/bar/file"
1124 // contains an absolute path.
1126 string urlBuffer( curlUrl.asString());
1127 CURLcode ret = curl_easy_setopt( _curl, CURLOPT_URL,
1128 urlBuffer.c_str() );
1130 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1133 // set IFMODSINCE time condition (no download if not modified)
1134 if( PathInfo(target).isExist() )
1136 curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
1137 curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, PathInfo(target).mtime());
1141 curl_easy_setopt(_curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_NONE);
1142 curl_easy_setopt(_curl, CURLOPT_TIMEVALUE, 0);
1145 string destNew = target.asString() + ".new.zypp.XXXXXX";
1146 char *buf = ::strdup( destNew.c_str());
1149 ERR << "out of memory for temp file name" << endl;
1150 ZYPP_THROW(MediaSystemException(
1151 url, "out of memory for temp file name"
1155 int tmp_fd = ::mkstemp( buf );
1159 ERR << "mkstemp failed for file '" << destNew << "'" << endl;
1160 ZYPP_THROW(MediaWriteException(destNew));
1165 FILE *file = ::fdopen( tmp_fd, "w" );
1168 filesystem::unlink( destNew );
1169 ERR << "fopen failed for file '" << destNew << "'" << endl;
1170 ZYPP_THROW(MediaWriteException(destNew));
1173 DBG << "dest: " << dest << endl;
1174 DBG << "temp: " << destNew << endl;
1176 ret = curl_easy_setopt( _curl, CURLOPT_WRITEDATA, file );
1179 filesystem::unlink( destNew );
1180 ZYPP_THROW(MediaCurlSetOptException(url, _curlError));
1183 // Set callback and perform.
1184 ProgressData progressData(_settings.timeout(), url, &report);
1185 report->start(url, dest);
1186 if ( curl_easy_setopt( _curl, CURLOPT_PROGRESSDATA, &progressData ) != 0 ) {
1187 WAR << "Can't set CURLOPT_PROGRESSDATA: " << _curlError << endl;;
1190 ret = curl_easy_perform( _curl );
1192 if ( curl_easy_setopt( _curl, CURLOPT_PROGRESSDATA, NULL ) != 0 ) {
1193 WAR << "Can't unset CURLOPT_PROGRESSDATA: " << _curlError << endl;;
1198 ERR << "curl error: " << ret << ": " << _curlError
1199 << ", temp file size " << PathInfo(destNew).size()
1200 << " byte." << endl;
1203 filesystem::unlink( destNew );
1205 // the timeout is determined by the progress data object
1206 // which holds wheter the timeout was reached or not,
1207 // otherwise it would be a user cancel
1209 evaluateCurlCode( filename, ret, progressData.reached);
1211 catch ( const MediaException &e ) {
1212 // some error, we are not sure about file existence, rethrw
1217 #if DETECT_DIR_INDEX
1219 if(curlUrl.getScheme() == "http" ||
1220 curlUrl.getScheme() == "https")
1223 // try to check the effective url and set the not_a_file flag
1224 // if the url path ends with a "/", what usually means, that
1225 // we've received a directory index (index.html content).
1227 // Note: This may be dangerous and break file retrieving in
1228 // case of some server redirections ... ?
1230 bool not_a_file = false;
1232 CURLcode ret = curl_easy_getinfo( _curl,
1233 CURLINFO_EFFECTIVE_URL,
1235 if ( ret == CURLE_OK && ptr != NULL)
1240 std::string path( eurl.getPathName());
1241 if( !path.empty() && path != "/" && *path.rbegin() == '/')
1243 DBG << "Effective url ("
1245 << ") seems to provide the index of a directory"
1257 filesystem::unlink( destNew );
1258 ZYPP_THROW(MediaNotAFileException(_url, filename));
1261 #endif // DETECT_DIR_INDEX
1263 long httpReturnCode = 0;
1264 CURLcode infoRet = curl_easy_getinfo(_curl,
1265 CURLINFO_RESPONSE_CODE,
1267 bool modified = true;
1268 if (infoRet == CURLE_OK)
1270 DBG << "HTTP response: " + str::numstring(httpReturnCode);
1271 if ( httpReturnCode == 304
1272 || ( httpReturnCode == 213 && _url.getScheme() == "ftp" ) ) // not modified
1274 DBG << " Not modified.";
1281 WAR << "Could not get the reponse code." << endl;
1284 if (modified || infoRet != CURLE_OK)
1287 if ( ::fchmod( ::fileno(file), filesystem::applyUmaskTo( 0644 ) ) )
1289 ERR << "Failed to chmod file " << destNew << endl;
1293 // move the temp file into dest
1294 if ( rename( destNew, dest ) != 0 ) {
1295 ERR << "Rename failed" << endl;
1296 ZYPP_THROW(MediaWriteException(dest));
1301 // close and remove the temp file
1303 filesystem::unlink( destNew );
1306 DBG << "done: " << PathInfo(dest) << endl;
1309 ///////////////////////////////////////////////////////////////////
1311 void MediaCurl::getDir( const Pathname & dirname, bool recurse_r ) const
1313 filesystem::DirContent content;
1314 getDirInfo( content, dirname, /*dots*/false );
1316 for ( filesystem::DirContent::const_iterator it = content.begin(); it != content.end(); ++it ) {
1317 Pathname filename = dirname + it->name;
1320 switch ( it->type ) {
1321 case filesystem::FT_NOT_AVAIL: // old directory.yast contains no typeinfo at all
1322 case filesystem::FT_FILE:
1323 getFile( filename );
1325 case filesystem::FT_DIR: // newer directory.yast contain at least directory info
1327 getDir( filename, recurse_r );
1329 res = assert_dir( localPath( filename ) );
1331 WAR << "Ignore error (" << res << ") on creating local directory '" << localPath( filename ) << "'" << endl;
1336 // don't provide devices, sockets, etc.
1342 ///////////////////////////////////////////////////////////////////
1344 void MediaCurl::getDirInfo( std::list<std::string> & retlist,
1345 const Pathname & dirname, bool dots ) const
1347 getDirectoryYast( retlist, dirname, dots );
1350 ///////////////////////////////////////////////////////////////////
1352 void MediaCurl::getDirInfo( filesystem::DirContent & retlist,
1353 const Pathname & dirname, bool dots ) const
1355 getDirectoryYast( retlist, dirname, dots );
1358 ///////////////////////////////////////////////////////////////////
1360 int MediaCurl::progressCallback( void *clientp,
1361 double dltotal, double dlnow,
1362 double ultotal, double ulnow)
1364 ProgressData *pdata = reinterpret_cast<ProgressData *>(clientp);
1367 time_t now = time(NULL);
1370 // reset time of last change in case initial time()
1371 // failed or the time was adjusted (goes backward)
1372 if( pdata->ltime <= 0 || pdata->ltime > now)
1377 // start time counting as soon as first data arrives
1378 // (skip the connection / redirection time at begin)
1380 if (dlnow > 0 || ulnow > 0)
1382 dif = (now - pdata->ltime);
1383 dif = dif > 0 ? dif : 0;
1388 // update the drate_avg and drate_period only after a second has passed
1389 // (this callback is called much more often than a second)
1390 // otherwise the values would be far from accurate when measuring
1391 // the time in seconds
1392 //! \todo more accurate download rate computationn, e.g. compute average value from last 5 seconds, or work with milliseconds instead of seconds
1394 if ( pdata->secs > 1 && (dif > 0 || dlnow == dltotal ))
1395 pdata->drate_avg = (dlnow / pdata->secs);
1399 pdata->drate_period = ((dlnow - pdata->dload_period) / dif);
1400 pdata->dload_period = dlnow;
1404 // send progress report first, abort transfer if requested
1407 if (!(*(pdata->report))->progress(int( dlnow * 100 / dltotal ),
1410 pdata->drate_period))
1412 return 1; // abort transfer
1416 // check if we there is a timeout set
1417 if( pdata->timeout > 0)
1421 bool progress = false;
1423 // update download data if changed, mark progress
1424 if( dlnow != pdata->dload)
1427 pdata->dload = dlnow;
1430 // update upload data if changed, mark progress
1431 if( ulnow != pdata->uload)
1434 pdata->uload = ulnow;
1438 if( !progress && (now >= (pdata->ltime + pdata->timeout)))
1440 pdata->reached = true;
1441 return 1; // aborts transfer
1449 ///////////////////////////////////////////////////////////////////
1451 string MediaCurl::getAuthHint() const
1453 long auth_info = CURLAUTH_NONE;
1456 curl_easy_getinfo(_curl, CURLINFO_HTTPAUTH_AVAIL, &auth_info);
1458 if(infoRet == CURLE_OK)
1460 return CurlAuthData::auth_type_long2str(auth_info);
1466 ///////////////////////////////////////////////////////////////////
1468 bool MediaCurl::authenticate(const string & availAuthTypes, bool firstTry) const
1470 //! \todo need a way to pass different CredManagerOptions here
1471 Target_Ptr target = zypp::getZYpp()->getTarget();
1472 CredentialManager cm(CredManagerOptions(target ? target->root() : ""));
1473 CurlAuthData_Ptr credentials;
1475 // get stored credentials
1476 AuthData_Ptr cmcred = cm.getCred(_url);
1478 if (cmcred && firstTry)
1480 credentials.reset(new CurlAuthData(*cmcred));
1481 DBG << "got stored credentials:" << endl << *credentials << endl;
1483 // if not found, ask user
1487 CurlAuthData_Ptr curlcred;
1488 curlcred.reset(new CurlAuthData());
1489 callback::SendReport<AuthenticationReport> auth_report;
1491 // preset the username if present in current url
1492 if (!_url.getUsername().empty() && firstTry)
1493 curlcred->setUsername(_url.getUsername());
1494 // if CM has found some credentials, preset the username from there
1496 curlcred->setUsername(cmcred->username());
1498 // indicate we have no good credentials from CM
1501 string prompt_msg = boost::str(boost::format(
1502 //!\todo add comma to the message for the next release
1503 _("Authentication required for '%s'")) % _url.asString());
1505 // set available authentication types from the exception
1506 // might be needed in prompt
1507 curlcred->setAuthType(availAuthTypes);
1510 if (auth_report->prompt(_url, prompt_msg, *curlcred))
1512 DBG << "callback answer: retry" << endl
1513 << "CurlAuthData: " << *curlcred << endl;
1515 if (curlcred->valid())
1517 credentials = curlcred;
1518 // if (credentials->username() != _url.getUsername())
1519 // _url.setUsername(credentials->username());
1521 * \todo find a way to save the url with changed username
1522 * back to repoinfo or dont store urls with username
1523 * (and either forbid more repos with the same url and different
1524 * user, or return a set of credentials from CM and try them one
1531 DBG << "callback answer: cancel" << endl;
1535 // set username and password
1538 // HACK, why is this const?
1539 const_cast<MediaCurl*>(this)->_settings.setUsername(credentials->username());
1540 const_cast<MediaCurl*>(this)->_settings.setPassword(credentials->password());
1542 // set username and password
1543 CURLcode ret = curl_easy_setopt(_curl, CURLOPT_USERPWD, _settings.userPassword().c_str());
1544 if ( ret != 0 ) ZYPP_THROW(MediaCurlSetOptException(_url, _curlError));
1546 // set available authentication types from the exception
1547 if (credentials->authType() == CURLAUTH_NONE)
1548 credentials->setAuthType(availAuthTypes);
1550 // set auth type (seems this must be set _after_ setting the userpwd
1551 if (credentials->authType() != CURLAUTH_NONE)
1553 ret = curl_easy_setopt(_curl, CURLOPT_HTTPAUTH, credentials->authType());
1554 if ( ret != 0 ) ZYPP_THROW(MediaCurlSetOptException(_url, _curlError));
1559 credentials->setUrl(_url);
1560 cm.addCred(*credentials);
1571 } // namespace media