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MDL-11845 removing curl emulation library, snoopy has better support for proxies and seems to be more reliable on different platforms; spelling correction cURL instead of Curl; adding all proxy admin settings; better debug messages for file downloading; SOCKS5 proxy support; merged from MOODLE_19_STABLE

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This commit is contained in:
skodak 2007-12-30 19:42:51 +00:00
parent e33fbf87ed
commit 5f8bdc17a8
11 changed files with 114 additions and 2741 deletions
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8
admin/settings/server.php
View File

@ -140,8 +140,16 @@ $ADMIN->add('server', $temp);
$temp = new admin_settingpage('http', get_string('http', 'admin'));
$temp->add(new admin_setting_configtext('framename', get_string('framename', 'admin'), get_string('configframename', 'admin'), '_top', PARAM_ALPHAEXT));
$temp->add(new admin_Setting_configcheckbox('slasharguments', get_string('slasharguments', 'admin'), get_string('configslasharguments', 'admin'), 1));
$temp->add(new admin_setting_heading('webproxy', get_string('webproxy', 'admin'), get_string('webproxyinfo', 'admin')));
$temp->add(new admin_setting_configtext('proxyhost', get_string('proxyhost', 'admin'), get_string('configproxyhost', 'admin'), '', PARAM_HOST));
$temp->add(new admin_setting_configtext('proxyport', get_string('proxyport', 'admin'), get_string('configproxyport', 'admin'), 0, PARAM_INT));
$options = array('HTTP'=>'HTTP');
if (defined('CURLPROXY_SOCKS5')) {
$options['SOCKS5'] = 'SOCKS5';
}
$temp->add(new admin_setting_configselect('proxytype', get_string('proxytype', 'admin'), get_string('configproxytype','admin'), 'HTTP', $options));
$temp->add(new admin_setting_configtext('proxyuser', get_string('proxyuser', 'admin'), get_string('configproxyuser', 'admin'), ''));
$temp->add(new admin_setting_configtext('proxypassword', get_string('proxypassword', 'admin'), get_string('configproxypassword', 'admin'), ''));
$ADMIN->add('server', $temp);
$ADMIN->add('server', new admin_externalpage('maintenancemode', get_string('sitemaintenancemode', 'admin'), "$CFG->wwwroot/$CFG->admin/maintenance.php"));

12
lang/en_utf8/admin.php
View File

@ -171,8 +171,11 @@ $string['configpathtoclam'] = 'Path to clam AV. Probably something like /usr/bi
$string['configpathtodu'] = 'Path to du. Probably something like /usr/bin/du. If you enter this, pages that display directory contents will run much faster for directories with a lot of files.';
$string['configperfdebug'] = 'If you turn this on, performance info will be printed in the footer of the standard theme';
$string['configprotectusernames'] = 'By default forget_password.php does not display any hints that would allow guessing of usernames or email addresses.';
$string['configproxyhost'] = 'If this <b>server</b> needs to use a proxy computer (eg a firewall) to access the Internet, then provide the proxy hostname and port here. Otherwise leave it blank.';
$string['configproxyhost'] = 'If this <b>server</b> needs to use a proxy computer (eg a firewall) to access the Internet, then provide the proxy hostname here. Otherwise leave it blank.';
$string['configproxypassword'] = 'Password needed to access internet through proxy if required, empty if none (PHP cURL extension required).';
$string['configproxyport'] = 'If this server needs to use a proxy computer, then provide the proxy port here.';
$string['configproxyuser'] = 'Username needed to access internet through proxy if required, empty if none (PHP cURL extension required).';
$string['configproxytype'] = 'Type of web proxy (PHP5 and cURL extension required for SOCKS5 support).';
$string['configquarantinedir'] = 'If you want clam AV to move infected files to a quarantine directory, enter it here. It must be writable by the webserver. If you leave this blank, or if you enter a directory that doesn\'t exist or isn\'t writable, infected files will be deleted. Do not include a trailing slash.';
$string['configcronclionly'] = 'If this is set, then the cron script can only be run from the commandline instead of via the web. This overrides the cron password setting below.';
$string['configcronremotepassword'] = 'This means that the cron.php script cannot be run from a web browser without supplying the password using the following form of URL:<pre>
@ -244,7 +247,7 @@ $string['cronerrorpassword'] = 'Sorry, you have not provided a valid password to
$string['cronremotepassword'] = 'Cron password for remote access';
$string['cronwarning'] = 'The <a href=\"cron.php\">cron.php maintenance script</a> has not been run for at least 24 hours.';
$string['csvdelimiter'] = 'CSV delimiter';
$string['curlrecommended'] = 'Installing the optional Curl library is highly recommended in order to enable Moodle Networking functionality.';
$string['curlrecommended'] = 'Installing the optional cURL library is highly recommended in order to enable Moodle Networking functionality.';
$string['customcheck'] = 'Other Checks';
$string['datarootsecuritywarning'] = 'Your site configuration might not be secure. Please make sure that your dataroot directory ($a) is not directly accessible via web.';
$string['dbmigrate'] = 'Moodle Database Migration';
@ -551,6 +554,9 @@ $string['profilevisible'] = 'Who is this field visible to?';
$string['protectusernames'] = 'Protect usernames';
$string['proxyhost'] = 'Proxy host';
$string['proxyport'] = 'Proxy port';
$string['proxypassword'] = 'Proxy password';
$string['proxyuser'] = 'Proxy username';
$string['proxytype'] = 'Proxy type';
$string['qtyperqpwillberemoved'] = 'During the upgrade, the RQP question type will be removed. You were not using this question type, so you should not experience any problems.';
$string['qtyperqpwillberemovedanyway'] = 'During the upgrade, the RQP question type will be removed. You have some RQP questions in your database, and these will stop working unless you reinstall the code from http://moodle.org/mod/data/view.php?d=13&amp;rid=797 before continuing with the upgrade.';
$string['quarantinedir'] = 'Quarantine directory';
@ -701,6 +707,8 @@ $string['uuupdatemissing'] = 'Fill in missing from file and defaults';
$string['uuupdatetype'] = 'Existing user details';
$string['validateerror'] = 'This value was not valid:';
$string['warningcurrentsetting'] = 'Invalid current value: $a';
$string['webproxy'] = 'Web proxy';
$string['webproxyinfo'] = 'Fill in following options if your Moodle server can not access internet directly. Internet access is required for download of environment data, language packs, RSS feeds, timezones, etc.<br /><em>PHP cURL extension is highly recommended.</em>';
$string['xmlstrictheaders'] = 'XML strict headers';
?>

2
lang/en_utf8/mnet.php
View File

@ -57,7 +57,7 @@ $string['nosite'] = 'Could not find site-level course';
$string['postrequired'] = 'The delete function requires a POST request.';
$string['hostdeleted'] = 'Ok - host deleted';
$string['reenableserver'] = 'No - select this option to re-enable this server.';
$string['nocurl'] = 'PHP Curl library is not installed';
$string['nocurl'] = 'PHP cURL library is not installed';
$string['publish'] = 'Publish';
$string['subscribe'] = 'Subscribe';
$string['failedaclwrite'] = 'Failed to write to the MNET access control list for user \'$a\'.';

103
lib/filelib.php
View File

@ -1,21 +1,53 @@
<?php //$Id$
require_once($CFG->libdir.'/libcurlemu/libcurlemu.inc.php'); // might be moved to setup.php later
define('BYTESERVING_BOUNDARY', 's1k2o3d4a5k6s7'); //unique string constant
/**
* Fetches content of file from Internet (using proxy if defined).
*
* Fetches content of file from Internet (using proxy if defined). Uses cURL extension if present.
* @param string $url file url
* @return mixed false if request failed or content of the file as string if ok.
*/
function download_file_content($url) {
global $CFG;
if (!extension_loaded('curl')) {
require_once($CFG->libdir.'/snoopy/Snoopy.class.inc');
$snoopy = new Snoopy();
$snoopy->proxy_host = $CFG->proxyhost;
$snoopy->proxy_port = $CFG->proxyport;
if (!empty($CFG->proxyuser) and !empty($CFG->proxypassword)) {
// this will probably fail, but let's try it anyway
$snoopy->proxy_user = $CFG->proxyuser;
$snoopy->proxy_password = $CFG->proxypassword;
}
if ($snoopy->fetch($url)) {
if (strpos($snoopy->response_code, '200') === false) {
debugging("Snoopy request for \"$url\" failed, http response code: ".$snoopy->response_code, DEBUG_ALL);
return false;
} else {
return $snoopy->results;
}
} else {
debugging("Snoopy request for \"$url\" failed with: ".$snoopy->error, DEBUG_ALL);
return false;
}
}
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, false);
if (!empty($CFG->proxyhost)) {
// SOCKS supported in PHP5 only
if (!empty($CFG->proxytype) and ($CFG->proxytype == 'SOCKS5')) {
if (defined('CURLPROXY_SOCKS5')) {
curl_setopt($ch, CURLOPT_PROXYTYPE, CURLPROXY_SOCKS5);
} else {
debugging("SOCKS5 proxies are supported only in PHP5 when cURL extension loaded.", DEBUG_ALL);
curl_close($ch);
return false;
}
}
// don't CONNECT for non-https connections
curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, false);
@ -24,15 +56,70 @@ function download_file_content($url) {
} else {
curl_setopt($ch, CURLOPT_PROXY, $CFG->proxyhost.':'.$CFG->proxyport);
}
if(!empty($CFG->proxyuser) and !empty($CFG->proxypassword)) {
if (!empty($CFG->proxyuser) and !empty($CFG->proxypassword)) {
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $CFG->proxyuser.':'.$CFG->proxypassword);
if (defined('CURLOPT_PROXYAUTH')) {
// any proxy authentication if PHP 5.1
curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC | CURLAUTH_NTLM);
}
}
}
$result = curl_exec($ch);
if (curl_errno($ch)) {
$curlerror = "CURL request for \"$url\" failed with: ". curl_error($ch);
debugging($curlerror, DEBUG_DEVELOPER);
debugging("CURL request for \"$url\" failed with: ".curl_error($ch), DEBUG_ALL);
$result = false;
} else {
$code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($code != 200) {
$codes = array(
100=>'Continue',
101=>'Switching Protocols',
200=>'OK',
201=>'Created',
202=>'Accepted',
203=>'Non-Authoritative Information',
204=>'No Content',
205=>'Reset Content',
206=>'Partial Content',
300=>'Multiple Choices',
301=>'Moved Permanently',
302=>'Found',
303=>'See Other',
304=>'Not Modified',
305=>'Use Proxy',
306=>'(Unused)',
307=>'Temporary Redirect',
400=>'Bad Request',
401=>'Unauthorized',
402=>'Payment Required',
403=>'Forbidden',
404=>'Not Found',
405=>'Method Not Allowed',
406=>'Not Acceptable',
407=>'Proxy Authentication Required',
408=>'Request Timeout',
409=>'Conflict',
410=>'Gone',
411=>'Length Required',
412=>'Precondition Failed',
413=>'Request Entity Too Large',
414=>'Request-URI Too Long',
415=>'Unsupported Media Type',
416=>'Requested Range Not Satisfiable',
417=>'Expectation Failed',
500=>'Internal Server Error',
501=>'Not Implemented',
502=>'Bad Gateway',
503=>'Service Unavailable',
504=>'Gateway Timeout',
505=>'HTTP Version Not Supported');
debugging("CURL request for \"$url\" failed, http response code: ".$code.' '.$codes[$code], DEBUG_ALL);
$result = false;
}
}
curl_close($ch);
@ -347,7 +434,7 @@ function send_file($path, $filename, $lifetime=86400 , $filter=0, $pathisstring=
// if user is using IE, urlencode the filename so that multibyte file name will show up correctly on popup
if (check_browser_version('MSIE')) {
$filename = urlencode($filename);
$filename = urlencode($filename);
}
if ($forcedownload) {

340
lib/libcurlemu/LICENSE
View File

@ -1,340 +0,0 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Library General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
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How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
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This program is distributed in the hope that it will be useful,
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GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
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Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
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The hypothetical commands `show w' and `show c' should show the appropriate
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You should also get your employer (if you work as a programmer) or your
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Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

93
lib/libcurlemu/README
View File

@ -1,93 +0,0 @@
CURL Extension Emulation Library
Version 1.0.3
Copyright 2004-2005, Steve Blinch
http://code.blitzaffe.com
============================================================================
DESCRIPTION
Provides a pure-PHP implementation of the PHP CURL extension, for use on
systems which do not already have the CURL extension installed. It emulates
all of the curl_* functions normally provided by the CURL extension itself.
This will automatically detect and use the best CURL implementation available
on your server. It will attempt the following, in order:
1) Check for the existence of the "real" CURL PHP Extension. If it is
loaded, the library will do nothing (and it will not interfere with the
"real" extension).
2) Check for the existence of the CURL console binary (usually located in
/usr/bin/curl). If found, the library will emulate the CURL PHP
extension (including all curl_* functions) and use the console binary
to execute all requests.
3) If neither the "real" CURL PHP Extension nor the CURL console binary
are available, the library will emulate the CURL PHP extension (including
all curl_* functions) using a native, pure-PHP HTTP client implementation.
This implementation is somewhat limited, but it provides support for most
of the common CURL options. HTTPS (SSL) support is available in this
mode under PHP 4.3.0 if the OpenSSL Extension is loaded.
Thus, by including this library in your project, you can rely on having some
level of CURL support regardless of the configuration of the server on which
it is being used.
USAGE
Simply copy all of the libcurlemu files into your project directory, then:
require_once("libcurlemu.inc.php");
After this, you can use all of the curl_* functions documented in the PHP
Manual.
EXAMPLE
// CURL Extension Emulation Library Example
//
// Usage should be straightforward; you simply use this script exactly as you
// would normally use the PHP CURL extension functions.
// first, include libcurlemu.inc.php
require_once('libcurlemu.inc.php');
// at this point, libcurlemu has detected the best available CURL solution
// (either the CURL extension, if available, or the CURL commandline binary,
// if available, or as a last resort, HTTPRetriever, our native-PHP HTTP
// client implementation) and has implemented the curl_* functions if
// necessary, so you can use CURL normally and safely assume that all CURL
// functions are available.
// the rest of this example code is copied straight from the PHP manual's
// reference for the curl_init() function, and will work fine with libcurlemu
// create a new CURL resource
$ch = curl_init();
// set URL and other appropriate options
curl_setopt($ch, CURLOPT_URL, "http://www.example.com/");
curl_setopt($ch, CURLOPT_HEADER, false);
// grab URL and pass it to the browser
curl_exec($ch);
// close CURL resource, and free up system resources
curl_close($ch);
LICENSE
This script 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; either version 2 of the License, or (at your option) any later
version.
This script 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.
You should have received a copy of the GNU General Public License along
with this script; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

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lib/libcurlemu/class_HTTPRetriever.php
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<?php
/* CURL Extension Emulation Library
* Version 1.0.3
* Copyright 2004-2005, Steve Blinch
* http://code.blitzaffe.com
* ============================================================================
*
* DESCRIPTION
*
* Provides a pure-PHP implementation of the PHP CURL extension, for use on
* systems which do not already have the CURL extension installed. It emulates
* all of the curl_* functions normally provided by the CURL extension itself.
*
* This will automatically detect and use the best CURL implementation available
* on your server. It will attempt the following, in order:
*
* 1) Check for the existence of the "real" CURL PHP Extension. If it is
* loaded, the library will do nothing (and it will not interfere with the
* "real" extension).
* 2) Check for the existence of the CURL console binary (usually located in
* /usr/bin/curl). If found, the library will emulate the CURL PHP
* extension (including all curl_* functions) and use the console binary
* to execute all requests.
* 3) If neither the "real" CURL PHP Extension nor the CURL console binary
* are available, the library will emulate the CURL PHP extension (including
* all curl_* functions) using a native, pure-PHP HTTP client implementation.
* This implementation is somewhat limited, but it provides support for most
* of the common CURL options. HTTPS (SSL) support is available in this
* mode under PHP 4.3.0 if the OpenSSL Extension is loaded.
*
* Thus, by including this library in your project, you can rely on having some
* level of CURL support regardless of the configuration of the server on which
* it is being used.
*
*
* USAGE
*
* Simply copy all of the libcurlemu files into your project directory, then:
*
* require_once("libcurlemu.inc.php");
*
* After this, you can use all of the curl_* functions documented in the PHP
* Manual.
*
*
* EXAMPLE
*
* // CURL Extension Emulation Library Example
* //
* // Usage should be straightforward; you simply use this script exactly as you
* // would normally use the PHP CURL extension functions.
*
* // first, include libcurlemu.inc.php
* require_once('libcurlemu.inc.php');
*
* // at this point, libcurlemu has detected the best available CURL solution
* // (either the CURL extension, if available, or the CURL commandline binary,
* // if available, or as a last resort, HTTPRetriever, our native-PHP HTTP
* // client implementation) and has implemented the curl_* functions if
* // necessary, so you can use CURL normally and safely assume that all CURL
* // functions are available.
*
* // the rest of this example code is copied straight from the PHP manual's
* // reference for the curl_init() function, and will work fine with libcurlemu
*
* // create a new CURL resource
* $ch = curl_init();
*
* // set URL and other appropriate options
* curl_setopt($ch, CURLOPT_URL, "http://www.example.com/");
* curl_setopt($ch, CURLOPT_HEADER, false);
*
* // grab URL and pass it to the browser
* curl_exec($ch);
*
* // close CURL resource, and free up system resources
* curl_close($ch);
*
*
* LICENSE
*
* This script 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; either version 2 of the License, or (at your option) any later
* version.
*
* This script 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.
*
* You should have received a copy of the GNU General Public License along
* with this script; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
if (!extension_loaded('curl') && !function_exists('curl_init')) {
define('CURLEXT_MISSING_ABORT',true);
require_once(dirname(__FILE__)."/libcurlexternal.inc.php");
if (!function_exists('curl_init')) {
require_once(dirname(__FILE__)."/class_HTTPRetriever.php");
require_once(dirname(__FILE__)."/libcurlnative.inc.php");
}
}
?>

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<?php
/* CURL Extension Emulation Library (Console Binary)
* Copyright 2004-2005, Steve Blinch
* http://code.blitzaffe.com
* ============================================================================
*
* DESCRIPTION
*
* Provides a pure-PHP implementation of the PHP CURL extension, for use on
* systems which do not already have the CURL extension installed. It emulates
* all of the curl_* functions normally provided by the CURL extension itself
* by wrapping the CURL console binary.
*
* This library will automatically detect whether or not the "real" CURL
* extension is installed, and if so, it will not interfere. Thus, it can be
* used to ensure that, one way or another, the CURL functions are available
* for use.
*
* This library is actually a wrapper for the CURL console application (usually
* found in /usr/bin/curl), so you must have the CURL binary installed in order
* to use this script.
*
*
* USAGE
*
* Please see the PHP documentation under the "CURL, Client URL Library
* Functions" section for information about using this library. Almost all of
* the documentation and examples in the PHP manual should work with this
* library.
*
*
* LICENSE
*
* This script 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; either version 2 of the License, or (at your option) any later
* version.
*
* This script 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.
*
* You should have received a copy of the GNU General Public License along
* with this script; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// if the real CURL PHP extension is installed, exit without doing anything
if (!extension_loaded("curl")) {
// if the CURL path was not defined by the calling script, define it
if (!defined("CURL_PATH")) define("CURL_PATH","/usr/bin/curl");
// if the CURL binary was not found, do one of the following:
// - if CURLEXT_MISSING_ABORT was defined, then exit without implementing the CURL functions
// - if CURLEXT_MISSING_IGNORE was defined, then implement the CURL functions anyway (even
// though they won't work without the CURL binary installed)
// - otherwise, raise a fatal error and halt the script
if (!function_exists('is_executable') or !is_executable(CURL_PATH)) {//moodlefix
if (defined("CURLEXT_MISSING_ABORT") && CURLEXT_MISSING_ABORT) {
return;
} elseif (defined("CURLEXT_MISSING_IGNORE") && CURLEXT_MISSING_IGNORE) {
// proceed and implement the CURL functions anyway, even though they won't work
} else {
trigger_error("CURL extension is not loaded, and the commandline version of CURL was not found at ".CURL_PATH,E_USER_ERROR);
}
}
define("CURLEXT_VERSION","1.0.0");
define('CURLOPT_NOTHING',0);
define('CURLOPT_FILE',10001);
define('CURLOPT_URL',10002);
define('CURLOPT_PORT',3);
define('CURLOPT_PROXY',10004);
define('CURLOPT_USERPWD',10005);
define('CURLOPT_PROXYUSERPWD',10006);
define('CURLOPT_RANGE',10007);
define('CURLOPT_INFILE',10009);
define('CURLOPT_ERRORBUFFER',10010);
define('CURLOPT_WRITEFUNCTION',20011);
define('CURLOPT_READFUNCTION',20012);
define('CURLOPT_TIMEOUT',13);
define('CURLOPT_INFILESIZE',14);
define('CURLOPT_POSTFIELDS',10015);
define('CURLOPT_REFERER',10016);
define('CURLOPT_FTPPORT',10017);
define('CURLOPT_USERAGENT',10018);
define('CURLOPT_LOW_SPEED_LIMIT',19);
define('CURLOPT_LOW_SPEED_TIME',20);
define('CURLOPT_RESUME_FROM',21);
define('CURLOPT_COOKIE',10022);
define('CURLOPT_HTTPHEADER',10023);
define('CURLOPT_HTTPPOST',10024);
define('CURLOPT_SSLCERT',10025);
define('CURLOPT_SSLCERTPASSWD',10026);
define('CURLOPT_SSLKEYPASSWD',10026);
define('CURLOPT_CRLF',27);
define('CURLOPT_QUOTE',10028);
define('CURLOPT_WRITEHEADER',10029);
define('CURLOPT_COOKIEFILE',10031);
define('CURLOPT_SSLVERSION',32);
define('CURLOPT_TIMECONDITION',33);
define('CURLOPT_TIMEVALUE',34);
define('CURLOPT_HTTPREQUEST',10035);
define('CURLOPT_CUSTOMREQUEST',10036);
define('CURLOPT_STDERR',10037);
define('CURLOPT_POSTQUOTE',10039);
define('CURLOPT_WRITEINFO',10040);
define('CURLOPT_VERBOSE',41);
define('CURLOPT_HEADER',42);
define('CURLOPT_NOPROGRESS',43);
define('CURLOPT_NOBODY',44);
define('CURLOPT_FAILONERROR',45);
define('CURLOPT_UPLOAD',46);
define('CURLOPT_POST',47);
define('CURLOPT_FTPLISTONLY',48);
define('CURLOPT_FTPAPPEND',50);
define('CURLOPT_NETRC',51);
define('CURLOPT_FOLLOWLOCATION',52);
define('CURLOPT_FTPASCII',53);
define('CURLOPT_TRANSFERTEXT',53);
define('CURLOPT_PUT',54);
define('CURLOPT_MUTE',55);
define('CURLOPT_PROGRESSFUNCTION',20056);
define('CURLOPT_PROGRESSDATA',10057);
define('CURLOPT_AUTOREFERER',58);
define('CURLOPT_PROXYPORT',59);
define('CURLOPT_POSTFIELDSIZE',60);
define('CURLOPT_HTTPPROXYTUNNEL',61);
define('CURLOPT_INTERFACE',10062);
define('CURLOPT_KRB4LEVEL',10063);
define('CURLOPT_SSL_VERIFYPEER',64);
define('CURLOPT_CAINFO',10065);
define('CURLOPT_PASSWDFUNCTION',20066);
define('CURLOPT_PASSWDDATA',10067);
define('CURLOPT_MAXREDIRS',68);
define('CURLOPT_FILETIME',10069);
define('CURLOPT_TELNETOPTIONS',10070);
define('CURLOPT_MAXCONNECTS',71);
define('CURLOPT_CLOSEPOLICY',72);
define('CURLOPT_CLOSEFUNCTION',20073);
define('CURLOPT_FRESH_CONNECT',74);
define('CURLOPT_FORBID_REUSE',75);
define('CURLOPT_RANDOM_FILE',10076);
define('CURLOPT_EGDSOCKET',10077);
define('CURLOPT_CONNECTTIMEOUT',78);
define('CURLOPT_HEADERFUNCTION',20079);
define('CURLOPT_HTTPGET',80);
define('CURLOPT_SSL_VERIFYHOST',81);
define('CURLOPT_COOKIEJAR',10082);
define('CURLOPT_SSL_CIPHER_LIST',10083);
define('CURLOPT_HTTP_VERSION',84);
define('CURLOPT_FTP_USE_EPSV',85);
define('CURLOPT_SSLCERTTYPE',10086);
define('CURLOPT_SSLKEY',10087);
define('CURLOPT_SSLKEYTYPE',10088);
define('CURLOPT_SSLENGINE',10089);
define('CURLOPT_SSLENGINE_DEFAULT',90);
define('CURLOPT_DNS_USE_GLOBAL_CACHE',91);
define('CURLOPT_DNS_CACHE_TIMEOUT',92);
define('CURLOPT_PREQUOTE',10093);
define('CURLOPT_RETURNTRANSFER', 19913);//moodlefix
define('CURLINFO_EFFECTIVE_URL',1);
define('CURLINFO_HTTP_CODE',2);
define('CURLINFO_FILETIME',14);
define('CURLINFO_TOTAL_TIME',3);
define('CURLINFO_NAMELOOKUP_TIME',4);
define('CURLINFO_CONNECT_TIME',5);
define('CURLINFO_PRETRANSFER_TIME',6);
define('CURLINFO_STARTTRANSFER_TIME',17);
define('CURLINFO_REDIRECT_TIME',19);
define('CURLINFO_REDIRECT_COUNT',20);
define('CURLINFO_SIZE_UPLOAD',7);
define('CURLINFO_SIZE_DOWNLOAD',8);
define('CURLINFO_SPEED_DOWNLOAD',9);
define('CURLINFO_SPEED_UPLOAD',10);
define('CURLINFO_HEADER_SIZE',11);
define('CURLINFO_REQUEST_SIZE',12);
define('CURLINFO_SSL_VERIFYRESULT',13);
define('CURLINFO_CONTENT_LENGTH_DOWNLOAD',15);
define('CURLINFO_CONTENT_LENGTH_UPLOAD',16);
define('CURLINFO_CONTENT_TYPE',18);
define("TIMECOND_ISUNMODSINCE",1);
define("TIMECOND_IFMODSINCE",2);
function _curlopt_name($curlopt) {
foreach (get_defined_constants() as $k=>$v) {
if ( (substr($k,0,8)=="CURLOPT_") && ($v==$curlopt)) return $k;
}
return false;
}
// Initialize a CURL emulation session
function curl_init($url=false) {
if(!isset($GLOBALS["_CURLEXT_OPT"])) {//moodlefix
$GLOBALS["_CURLEXT_OPT"] = array();//moodlefix
$GLOBALS["_CURLEXT_OPT"]["index"] = 0;//moodlefix
}//moodlefix
$i = $GLOBALS["_CURLEXT_OPT"]["index"]++;
$GLOBALS["_CURLEXT_OPT"][$i] = array("url"=>$url, "verbose"=>false, "fail_on_error"=>false);//moodlefix
$GLOBALS["_CURLEXT_OPT"][$i]["args"] = array();//moodlefix
$GLOBALS["_CURLEXT_OPT"][$i]["settings"] = array();//moodlefix
return $i;
}
// Set an option for a CURL emulation transfer
function curl_setopt($ch,$option,$value) {
$opt = &$GLOBALS["_CURLEXT_OPT"][$ch];
$args = &$opt["args"];
$settings = &$opt["settings"];
switch($option) {
case CURLOPT_URL:
$opt["url"] = $value;
break;
case CURLOPT_VERBOSE:
$opt["verbose"] = $value>0;
break;
case CURLOPT_USERPWD:
if ($value==="") $value = false;
$settings["user"] = $value;
break;
case CURLOPT_PROXYUSERPWD:
if ($value==="") $value = false;
$settings["proxy-user"] = $value;
break;
case CURLOPT_COOKIE:
if ($value==="") $value = false;
if ( is_bool($value) || (strpos($value,"=")!==false) ) $settings["cookie"] = $value;
break;
case CURLOPT_COOKIEFILE:
if ($value==="") $value = false;
$settings["cookie"] = $value;
break;
case CURLOPT_COOKIEJAR:
if ($value==="") $value = false;
$settings["cookie-jar"] = $value;
break;
case CURLOPT_CUSTOMREQUEST:
if ($value==="") $value = false;
$settings["request"] = $value;
break;
case CURLOPT_PROXY:
if ($value==="") $value = false;
$settings["proxy"] = $value;
break;
case CURLOPT_INTERFACE:
if ($value==="") $value = false;
$settings["interface"] = $value;
break;
case CURLOPT_KRB4LEVEL:
if ($value==="") $value = false;
$settings["krb4"] = $value;
break;
case CURLOPT_SSLCERT:
$pass = "";
if (is_string($settings["cert"])) {
list(,$pass) = explode(":",$settings["cert"]);
if (strlen($pass)) $pass = ":$pass";
}
$settings["cert"] = $value.$pass;
break;
case CURLOPT_SSLCERTPASSWD:
$filename = "";
if (is_string($settings["cert"])) {
list($filename,) = explode(":",$settings["cert"]);
}
$settings["cert"] = $filename.":".$value;
break;
case CURLOPT_RANGE:
if ($value==="") $value = false;
$settings["range"] = $value;
break;
case CURLOPT_REFERER:
if ($value==="") $value = false;
$settings["referer"] = $value;
break;
case CURLOPT_NOBODY:
$settings["head"] = $value>0;
break;
case CURLOPT_FAILONERROR:
$opt["fail_on_error"] = $value>0;
break;
case CURLOPT_USERAGENT:
$settings["user-agent"] = $value;
break;
case CURLOPT_HEADER:
$settings["include"] = $value>0;
break;
case CURLOPT_RETURNTRANSFER:
$opt["return_transfer"] = $value>0;
break;
case CURLOPT_TIMEOUT:
$settings["max-time"] = (int) $value;
break;
case CURLOPT_HTTPHEADER:
reset($value);
foreach ($value as $k=>$header) $args[] = "header=".$header;
break;
case CURLOPT_POST:
$settings["data"]["enabled"] = $value>0;
break;
case CURLOPT_POSTFIELDS:
if ($value==="") $value = false;
$settings["data"]["value"] = $value;
break;
case CURLOPT_SSL_VERIFYPEER:
$settings["insecure"] = ($value==0);
break;
case CURLOPT_SSL_VERIFYHOST:
// not supported by the commandline client
break;
case CURLOPT_FOLLOWLOCATION:
$settings["location"] = $value>0;
break;
case CURLOPT_PUT:
$settings["upload-file"]["enabled"] = $value>0;
break;
case CURLOPT_INFILE:
if ($value==="") $value = false;
if (is_resource($value)) {
// Ugh, this is a terrible hack. The CURL extension accepts a file handle, but
// the CURL binary obviously wants a filename. Since you can't derive a filename
// from a file handle, we have to make a copy of the file from the file handle,
// then pass the temporary filename to the CURL binary.
$tmpfilename = tempnam("/tmp","cif");
$fp = @fopen($tmpfilename,"w");
if (!$fp) {
trigger_error("CURL emulation library could not create a temporary file for CURLOPT_INFILE; upload aborted",E_USER_WARNING);
} else {
while (!feof($value)) {
$contents = fread($value,8192);
fwrite($fp,$contents);
}
fclose($fp);
// if a temporary file was previously created, unlink it
if ($settings["upload-file"]["value"] && file_exists($settings["upload-file"]["value"])) unlink($settings["upload-file"]["value"]);
// set the new upload-file filename
$settings["upload-file"]["value"] = $tmpfilename;
}
} else {
trigger_error("CURLOPT_INFILE must specify a valid file resource",E_USER_WARNING);
}
break;
case CURLOPT_MUTE:
// we're already mute, no?
break;
case CURLOPT_LOW_SPEED_LIMIT:
$settings["speed-limit"] = (int) $value;
break;
case CURLOPT_LOW_SPEED_TIME:
$settings["speed-time"] = (int) $value;
break;
case CURLOPT_RESUME_FROM:
$settings["continue-at"] = (int) $value;
break;
case CURLOPT_CAINFO:
if ($value==="") $value = false;
$settings["cacert"] = $value;
break;
case CURLOPT_SSLVERSION:
$value = (int) $value;
switch($value) {
case 2:
case 3:
unset($settings["sslv2"]);
unset($settings["sslv3"]);
$settings["sslv".$value] = true;
break;
}
break;
case CURLOPT_TIMECONDITION:
// untested - I'm lazy :)
if (!isset($settings["time-cond"]["enabled"])) $settings["time-cond"]["enabled"] = false;
if (!$settings["time-cond"]["value"]) $settings["time-cond"]["value"] = 1;
$settings["time-cond"]["value"] = abs($settings["time-cond"]["value"]);
if ($value==TIMECOND_ISUNMODSINCE) {
$settings["time-cond"]["value"] *= -1;
}
break;
case CURLOPT_TIMEVALUE:
// untested - I'm lazy :)
if ($settings["time-cond"]["value"]) {
$sign = $settings["time-cond"]["value"] / abs($settings["time-cond"]["value"]);
} else {
$sign = 1;
}
$settings["time-cond"]["value"] = (int) $value * $sign;
break;
case CURLOPT_FILE:
if (is_resource($value)) {
$opt["output_handle"] = $value;
} else {
trigger_error("CURLOPT_FILE must specify a valid file resource",E_USER_WARNING);
}
break;
case CURLOPT_WRITEHEADER:
if (is_resource($value)) {
$opt["header_handle"] = $value;
} else {
trigger_error("CURLOPT_WRITEHEADER must specify a valid file resource",E_USER_WARNING);
}
break;
case CURLOPT_STDERR:
// not implemented for now - not really relevant
break;
// FTP stuff not implemented
case CURLOPT_QUOTE:
case CURLOPT_POSTQUOTE:
case CURLOPT_UPLOAD:
case CURLOPT_FTPLISTONLY:
case CURLOPT_FTPAPPEND:
case CURLOPT_FTPPORT:
// Other stuff not implemented
case CURLOPT_NETRC:
default:
trigger_error("CURL emulation does not implement CURL option "._curlopt_name($option),E_USER_WARNING);
break;
}
}
// Perform a CURL emulation session
function curl_exec($ch) {
$opt = &$GLOBALS["_CURLEXT_OPT"][$ch];
$url = $opt["url"];
$verbose = $opt["verbose"];
// ask commandline CURL to return its statistics at the end of its output
$opt["settings"]["write-out"] = "%{http_code}|%{time_total}|%{time_namelookup}|%{time_connect}|%{time_pretransfer}|%{time_starttransfer}|%{size_download}|%{size_upload}|%{size_header}|%{size_request}|%{speed_download}|%{speed_upload}|||||||%{content_type}|%{url_effective}";
$writeout_order = array(
CURLINFO_HTTP_CODE,
CURLINFO_TOTAL_TIME,
CURLINFO_NAMELOOKUP_TIME,
CURLINFO_CONNECT_TIME,
CURLINFO_PRETRANSFER_TIME,
CURLINFO_STARTTRANSFER_TIME,
CURLINFO_SIZE_DOWNLOAD,
CURLINFO_SIZE_UPLOAD,
CURLINFO_HEADER_SIZE,
CURLINFO_REQUEST_SIZE,
CURLINFO_SPEED_DOWNLOAD,
CURLINFO_SPEED_UPLOAD,
// the following 5 items are not provided by commandline CURL, and thus are left empty
CURLINFO_FILETIME,
CURLINFO_REDIRECT_TIME,
CURLINFO_SSL_VERIFYRESULT,
CURLINFO_CONTENT_LENGTH_DOWNLOAD,
CURLINFO_CONTENT_LENGTH_UPLOAD,
CURLINFO_REDIRECT_COUNT,
CURLINFO_CONTENT_TYPE,
CURLINFO_EFFECTIVE_URL,
);
// if the CURLOPT_NOBODY option was specified (to remove the body from the output),
// but an output file handle was set, we need to tell CURL to return the body so
// that we can write it to the output handle and strip it from the output
if (!empty($opt["settings"]["head"]) && $opt["output_handle"]) {//moodlefix
unset($opt["settings"]["head"]);
$strip_body = true;
} else {
$strip_body = false;
}
// if the CURLOPT_HEADER option was NOT specified, but a header file handle was
// specified, we again need to tell CURL to return the headers so we can write
// them, then strip them from the output
if (!isset($opt["settings"]["include"]) && isset($opt["header_handle"])) {
$opt["settings"]["include"] = true;
$strip_headers = true;
} else {
$strip_headers = false;//moodlefix
}
// build the CURL argument list
$arguments = "";
foreach ($opt["args"] as $k=>$arg) {
list($argname,$argval) = explode('=',$arg,2);
$arguments .= "--$argname ".escapeshellarg($argval)." ";
}
foreach ($opt["settings"] as $argname=>$argval) {
if (is_array($argval)) {
if (isset($argval["enabled"]) && !$argval["enabled"]) continue;
$argval = $argval["value"];
}
if ($argval===false) continue;
if (is_bool($argval)) $argval = "";
$arguments .= "--$argname ".escapeshellarg($argval)." ";
}
// build the CURL commandline and execute it
$cmd = CURL_PATH." ".$arguments." ".escapeshellarg($url);
if ($verbose) echo "libcurlemu: Executing: $cmd\n";
exec($cmd,$output,$ret);
if ($verbose) {
echo "libcurlemu: Result: ";
var_dump($output);
echo "libcurlemu: Exit code: $ret\n";
}
// check for errors
$opt["errno"] = $ret;
if ($ret) $opt["error"] = "CURL error #$ret";
// die if CURLOPT_FAILONERROR is set and the HTTP result code is greater than 300
if ($opt["fail_on_error"]) {//moodlefix
if (preg_match("/^HTTP\/1.[0-9]+ ([0-9]{3}) /",$output[0],$matches)) {
$resultcode = (int) $matches[1];
if ($resultcode>300) die;
} else {
die; // couldn't get result code!
}
}
// pull the statistics out from the output
$stats = explode('|',array_pop($output));
foreach ($writeout_order as $k=>$item) {
$opt["stats"][$item] = $stats[$k];
}
// build the response string
$output = implode("\r\n",$output);
// find the header end position if needed
if ($strip_headers || $strip_body || isset($opt["header_handle"])) {
$headerpos = strpos($output,"\r\n\r\n");
}
// if a file handle was provided for header output, extract the headers
// and write them to the handle
if (isset($opt["header_handle"])) {
$headers = substr($output,0,$headerpos);
fwrite($opt["header_handle"],$headers);
}
// if the caller did not request headers in the output, strip them
if ($strip_headers) {
$output = substr($output,$headerpos+4);
}
// if the caller did not request the response body in the output, strip it
if ($strip_body) {
if ($strip_headers) {
$body = $output;
$output = "";
} else {
$body = substr($output,$headerpos+4);
$output = substr($output,0,$headerpos);
}
}
// if a file handle was provided for output, write the output to it
if (isset($opt["output_handle"])) {
fwrite($opt["output_handle"],$output);
// if the caller requested that the response be returned, return it
} elseif ($opt["return_transfer"]) {
return $output;
// otherwise, just echo the output to stdout
} else {
echo $output;
}
return true;
}
function curl_close($ch) {
$opt = &$GLOBALS["_CURLEXT_OPT"][$ch];
if ($opt["settings"]) {
$settings = &$opt["settings"];
// if the user used CURLOPT_INFILE to specify a file to upload, remove the
// temporary file created for the CURL binary
if (!empty($settings["upload-file"]["value"]) && file_exists($settings["upload-file"]["value"])) unlink($settings["upload-file"]["value"]);//moodlefix
}
unset($GLOBALS["_CURLEXT_OPT"][$ch]);
}
function curl_errno($ch) {
return (int) $GLOBALS["_CURLEXT_OPT"][$ch]["errno"];
}
function curl_error($ch) {
return $GLOBALS["_CURLEXT_OPT"][$ch]["error"];
}
function curl_getinfo($ch,$opt=NULL) {
if ($opt) {
return $GLOBALS["_CURLEXT_OPT"][$ch]["stats"][$opt];
} else {
$curlinfo_tags = array(
"url"=>CURLINFO_EFFECTIVE_URL,
"content_type"=>CURLINFO_CONTENT_TYPE,
"http_code"=>CURLINFO_HTTP_CODE,
"header_size"=>CURLINFO_HEADER_SIZE,
"request_size"=>CURLINFO_REQUEST_SIZE,
"filetime"=>CURLINFO_FILETIME,
"ssl_verify_result"=>CURLINFO_SSL_VERIFYRESULT,
"redirect_count"=>CURLINFO_REDIRECT_COUNT,
"total_time"=>CURLINFO_TOTAL_TIME,
"namelookup_time"=>CURLINFO_NAMELOOKUP_TIME,
"connect_time"=>CURLINFO_CONNECT_TIME,
"pretransfer_time"=>CURLINFO_PRETRANSFER_TIME,
"size_upload"=>CURLINFO_SIZE_UPLOAD,
"size_download"=>CURLINFO_SIZE_DOWNLOAD,
"speed_download"=>CURLINFO_SPEED_DOWNLOAD,
"speed_upload"=>CURLINFO_SPEED_UPLOAD,
"download_content_length"=>CURLINFO_CONTENT_LENGTH_DOWNLOAD,
"upload_content_length"=>CURLINFO_CONTENT_LENGTH_UPLOAD,
"starttransfer_time"=>CURLINFO_STARTTRANSFER_TIME,
"redirect_time"=>CURLINFO_REDIRECT_TIME
);
$res = array();
foreach ($curlinfo_tags as $tag=>$opt) {
$res[$tag] = $GLOBALS["_CURLEXT_OPT"][$ch]["stats"][$opt];
}
return $res;
}
}
function curl_version() {
return "libcurlemu/".CURLEXT_VERSION."-ext";
}
}
?>

463
lib/libcurlemu/libcurlnative.inc.php
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@ -1,463 +0,0 @@
<?php
/* CURL Extension Emulation Library (Native PHP)
* Copyright 2004-2005, Steve Blinch
* http://code.blitzaffe.com
* ============================================================================
*
* DESCRIPTION
*
* Provides a pure-PHP implementation of the PHP CURL extension, for use on
* systems which do not already have the CURL extension installed. It emulates
* all of the curl_* functions normally provided by the CURL extension itself,
* and uses an internal, native-PHP HTTP library to make requests.
*
* This library will automatically detect whether or not the "real" CURL
* extension is installed, and if so, it will not interfere. Thus, it can be
* used to ensure that, one way or another, the CURL functions are available
* for use.
*
* Note that this is only a *rough* emulation of CURL; it is not exact, and
* many of CURL's options are not implemented. For a more precise emulation of
* CURL, you may want to try our other libcurlexternal library which is based on
* the CURL console binary (and is virtually identical to the CURL extension).
*
*
* USAGE
*
* Please see the PHP documentation under the "CURL, Client URL Library
* Functions" section for information about using this library. Almost all of
* the documentation and examples in the PHP manual should work with this
* library.
*
*
* LICENSE
*
* This script 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; either version 2 of the License, or (at your option) any later
* version.
*
* This script 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.
*
* You should have received a copy of the GNU General Public License along
* with this script; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// if the real CURL PHP extension is installed, exit without doing anything;
// if libcurlemu is installed and providing a wrapper for the CURL binary,
// exit without doing anything
if (!extension_loaded("curl") && !function_exists("curl_init")) {
// if the CURL binary was not found, do one of the following:
// - if CURLNAT_MISSING_ABORT was defined, then exit without
// implementing the CURL functions
// - otherwise, raise a fatal error and halt the script
if (!class_exists("HTTPRetriever")) {
if (is_readable(dirname(__FILE__)."/class_HTTPRetriever.php")) {
define("HTTPR_NO_REDECLARE_CURL",true);
require_once(dirname(__FILE__)."/class_HTTPRetriever.php");
} else {
if (defined("CURLNAT_MISSING_ABORT") && CURLNAT_MISSING_ABORT) {
return;
} else {
trigger_error("CURL extension is not loaded, libcurlemu is not loaded, and the HTTPRetriever class is unavailable",E_USER_ERROR);
}
}
}
define("CURLNAT_VERSION","1.0.0");
define('CURLOPT_NOTHING',0);
define('CURLOPT_FILE',10001);
define('CURLOPT_URL',10002);
define('CURLOPT_PORT',3);
define('CURLOPT_PROXY',10004);
define('CURLOPT_USERPWD',10005);
define('CURLOPT_PROXYUSERPWD',10006);
define('CURLOPT_RANGE',10007);
define('CURLOPT_INFILE',10009);
define('CURLOPT_ERRORBUFFER',10010);
define('CURLOPT_WRITEFUNCTION',20011);
define('CURLOPT_READFUNCTION',20012);
define('CURLOPT_TIMEOUT',13);
define('CURLOPT_INFILESIZE',14);
define('CURLOPT_POSTFIELDS',10015);
define('CURLOPT_REFERER',10016);
define('CURLOPT_FTPPORT',10017);
define('CURLOPT_USERAGENT',10018);
define('CURLOPT_LOW_SPEED_LIMIT',19);
define('CURLOPT_LOW_SPEED_TIME',20);
define('CURLOPT_RESUME_FROM',21);
define('CURLOPT_COOKIE',10022);
define('CURLOPT_HTTPHEADER',10023);
define('CURLOPT_HTTPPOST',10024);
define('CURLOPT_SSLCERT',10025);
define('CURLOPT_SSLCERTPASSWD',10026);
define('CURLOPT_SSLKEYPASSWD',10026);
define('CURLOPT_CRLF',27);
define('CURLOPT_QUOTE',10028);
define('CURLOPT_WRITEHEADER',10029);
define('CURLOPT_COOKIEFILE',10031);
define('CURLOPT_SSLVERSION',32);
define('CURLOPT_TIMECONDITION',33);
define('CURLOPT_TIMEVALUE',34);
define('CURLOPT_HTTPREQUEST',10035);
define('CURLOPT_CUSTOMREQUEST',10036);
define('CURLOPT_STDERR',10037);
define('CURLOPT_POSTQUOTE',10039);
define('CURLOPT_WRITEINFO',10040);
define('CURLOPT_VERBOSE',41);
define('CURLOPT_HEADER',42);
define('CURLOPT_NOPROGRESS',43);
define('CURLOPT_NOBODY',44);
define('CURLOPT_FAILONERROR',45);
define('CURLOPT_UPLOAD',46);
define('CURLOPT_POST',47);
define('CURLOPT_FTPLISTONLY',48);
define('CURLOPT_FTPAPPEND',50);
define('CURLOPT_NETRC',51);
define('CURLOPT_FOLLOWLOCATION',52);
define('CURLOPT_FTPASCII',53);
define('CURLOPT_TRANSFERTEXT',53);
define('CURLOPT_PUT',54);
define('CURLOPT_MUTE',55);
define('CURLOPT_PROGRESSFUNCTION',20056);
define('CURLOPT_PROGRESSDATA',10057);
define('CURLOPT_AUTOREFERER',58);
define('CURLOPT_PROXYPORT',59);
define('CURLOPT_POSTFIELDSIZE',60);
define('CURLOPT_HTTPPROXYTUNNEL',61);
define('CURLOPT_INTERFACE',10062);
define('CURLOPT_KRB4LEVEL',10063);
define('CURLOPT_SSL_VERIFYPEER',64);
define('CURLOPT_CAINFO',10065);
define('CURLOPT_PASSWDFUNCTION',20066);
define('CURLOPT_PASSWDDATA',10067);
define('CURLOPT_MAXREDIRS',68);
define('CURLOPT_FILETIME',10069);
define('CURLOPT_TELNETOPTIONS',10070);
define('CURLOPT_MAXCONNECTS',71);
define('CURLOPT_CLOSEPOLICY',72);
define('CURLOPT_CLOSEFUNCTION',20073);
define('CURLOPT_FRESH_CONNECT',74);
define('CURLOPT_FORBID_REUSE',75);
define('CURLOPT_RANDOM_FILE',10076);
define('CURLOPT_EGDSOCKET',10077);
define('CURLOPT_CONNECTTIMEOUT',78);
define('CURLOPT_HEADERFUNCTION',20079);
define('CURLOPT_HTTPGET',80);
define('CURLOPT_SSL_VERIFYHOST',81);
define('CURLOPT_COOKIEJAR',10082);
define('CURLOPT_SSL_CIPHER_LIST',10083);
define('CURLOPT_HTTP_VERSION',84);
define('CURLOPT_FTP_USE_EPSV',85);
define('CURLOPT_SSLCERTTYPE',10086);
define('CURLOPT_SSLKEY',10087);
define('CURLOPT_SSLKEYTYPE',10088);
define('CURLOPT_SSLENGINE',10089);
define('CURLOPT_SSLENGINE_DEFAULT',90);
define('CURLOPT_DNS_USE_GLOBAL_CACHE',91);
define('CURLOPT_DNS_CACHE_TIMEOUT',92);
define('CURLOPT_PREQUOTE',10093);
define('CURLOPT_RETURNTRANSFER', 19913);//moodlefix
define('CURLINFO_EFFECTIVE_URL',1);
define('CURLINFO_HTTP_CODE',2);
define('CURLINFO_FILETIME',14);
define('CURLINFO_TOTAL_TIME',3);
define('CURLINFO_NAMELOOKUP_TIME',4);
define('CURLINFO_CONNECT_TIME',5);
define('CURLINFO_PRETRANSFER_TIME',6);
define('CURLINFO_STARTTRANSFER_TIME',17);
define('CURLINFO_REDIRECT_TIME',19);
define('CURLINFO_REDIRECT_COUNT',20);
define('CURLINFO_SIZE_UPLOAD',7);
define('CURLINFO_SIZE_DOWNLOAD',8);
define('CURLINFO_SPEED_DOWNLOAD',9);
define('CURLINFO_SPEED_UPLOAD',10);
define('CURLINFO_HEADER_SIZE',11);
define('CURLINFO_REQUEST_SIZE',12);
define('CURLINFO_SSL_VERIFYRESULT',13);
define('CURLINFO_CONTENT_LENGTH_DOWNLOAD',15);
define('CURLINFO_CONTENT_LENGTH_UPLOAD',16);
define('CURLINFO_CONTENT_TYPE',18);
define("TIMECOND_ISUNMODSINCE",1);
define("TIMECOND_IFMODSINCE",2);
function _curlopt_name($curlopt) {
foreach (get_defined_constants() as $k=>$v) {
if ( (substr($k,0,8)=="CURLOPT_") && ($v==$curlopt)) return $k;
}
return false;
}
// Initialize a CURL emulation session
function curl_init($url=false) {
if(!isset($GLOBALS["_CURLNAT_OPT"])) {//moodlefix
$GLOBALS["_CURLNAT_OPT"] = array();//moodlefix
$GLOBALS["_CURLNAT_OPT"]["index"] = 0;//moodlefix
}//moodlefix
$i = $GLOBALS["_CURLNAT_OPT"]["index"]++;
$GLOBALS["_CURLNAT_OPT"][$i] = array("url"=>$url, "fail_on_error"=>false);//moodlefix
$GLOBALS["_CURLNAT_OPT"][$i]["http"] = &new HTTPRetriever();
$GLOBALS["_CURLNAT_OPT"][$i]["include_body"] = true;
$GLOBALS["_CURLNAT_OPT"][$i]["args"] = array();//moodlefix
$GLOBALS["_CURLNAT_OPT"][$i]["settings"] = array();//moodlefix
return $i;
}
// Set an option for a CURL emulation transfer
function curl_setopt($ch,$option,$value) {
$opt = &$GLOBALS["_CURLNAT_OPT"][$ch];
$args = &$opt["args"];
$settings = &$opt["settings"];
$http = &$opt["http"];
switch($option) {
case CURLOPT_URL:
$opt["url"] = $value;
break;
case CURLOPT_CUSTOMREQUEST:
$opt["method"] = $value;
break;
case CURLOPT_REFERER:
$http->headers["Referer"] = $value;
break;
case CURLOPT_NOBODY:
$opt["include_body"] = $value==0;
break;
case CURLOPT_FAILONERROR:
$opt["fail_on_error"] = $value>0;
break;
case CURLOPT_USERAGENT:
$http->headers["User-Agent"] = $value;
break;
case CURLOPT_HEADER:
$opt["include_headers"] = $value>0;
break;
case CURLOPT_RETURNTRANSFER:
$opt["return_transfer"] = $value>0;
break;
case CURLOPT_TIMEOUT:
$opt["max-time"] = (int) $value;
break;
case CURLOPT_HTTPHEADER:
reset($value);
foreach ($value as $k=>$header) {
list($headername,$headervalue) = explode(":",$header);
$http->headers[$headername] = ltrim($headervalue);
}
break;
case CURLOPT_POST:
$opt["post"] = $value>0;
break;
case CURLOPT_POSTFIELDS:
$opt["postdata"] = $value;
break;
case CURLOPT_MUTE:
// we're already mute, no?
break;
case CURLOPT_FILE:
if (is_resource($value)) {
$opt["output_handle"] = $value;
} else {
trigger_error("CURLOPT_FILE must specify a valid file resource",E_USER_WARNING);
}
break;
case CURLOPT_WRITEHEADER:
if (is_resource($value)) {
$opt["header_handle"] = $value;
} else {
trigger_error("CURLOPT_WRITEHEADER must specify a valid file resource",E_USER_WARNING);
}
break;
case CURLOPT_STDERR:
// not implemented for now - not really relevant
break;
case CURLOPT_SSL_VERIFYPEER:
case CURLOPT_SSL_VERIFYHOST:
// these are automatically disabled using ssl:// anyway
break;
case CURLOPT_USERPWD:
list($curl_user,$curl_pass) = explode(':',$value,2);
$http->auth_username = $curl_user;
$http->auth_password = $curl_pass;
break;
// Important stuff not implemented (as it's not yet supported by HTTPRetriever)
case CURLOPT_PUT:
case CURLOPT_INFILE:
case CURLOPT_FOLLOWLOCATION:
case CURLOPT_PROXYUSERPWD:
case CURLOPT_COOKIE:
case CURLOPT_COOKIEFILE:
case CURLOPT_PROXY:
case CURLOPT_RANGE:
case CURLOPT_RESUME_FROM:
// Things that cannot (reasonably) be implemented here
case CURLOPT_LOW_SPEED_LIMIT:
case CURLOPT_LOW_SPEED_TIME:
case CURLOPT_KRB4LEVEL:
case CURLOPT_SSLCERT:
case CURLOPT_SSLCERTPASSWD:
case CURLOPT_SSLVERSION:
case CURLOPT_INTERFACE:
case CURLOPT_CAINFO:
case CURLOPT_TIMECONDITION:
case CURLOPT_TIMEVALUE:
// FTP stuff not implemented
case CURLOPT_QUOTE:
case CURLOPT_POSTQUOTE:
case CURLOPT_UPLOAD:
case CURLOPT_FTPLISTONLY:
case CURLOPT_FTPAPPEND:
case CURLOPT_FTPPORT:
// Other stuff not implemented
case CURLOPT_VERBOSE:
case CURLOPT_NETRC:
default:
trigger_error("CURL emulation does not implement CURL option "._curlopt_name($option),E_USER_WARNING);
break;
}
}
// Perform a CURL emulation session
function curl_exec($ch) {
$opt = &$GLOBALS["_CURLNAT_OPT"][$ch];
$url = $opt["url"];
$http = &$opt["http"];
$http->disable_curl = true; // avoid problems with recursion, since we *ARE* CURL
$http->error = false;//moodlefix
// set time limits if requested
if (!empty($opt["max-time"])) {//moodlefix
$http->connect_timeout = $opt["max-time"];
$http->max_time = $opt["max-time"];
}
if (!empty($opt["post"])) {//moodlefix
$res = $http->post($url,$opt["postdata"]);
} elseif (!empty($opt["method"])) {
$res = $http->custom($opt["method"],$url,$opt["postdata"]);
} else {
$res = $http->get($url);
}
// check for errors
$opt["errno"] = (!$res && $http->error) ? 1 : 0;
if ($opt["errno"]) $opt["error"] = $http->error;
// die if CURLOPT_FAILONERROR is set and the HTTP result code is greater than 300
if ($opt["fail_on_error"]) {
if ($http->result_code>300) die;
}
if ($res === false) {//moodlefix
return false;//moodlefix
}//moodlefix
$opt["stats"] = $http->stats;
$headers = "";
foreach ($http->response_headers as $k=>$v) {
$headers .= "$k: $v\r\n";
}
// if a file handle was provided for header output, extract the headers
// and write them to the handle
if (isset($opt["header_handle"])) {
fwrite($opt["header_handle"],$headers);
}
$output = ($opt["include_headers"] ? $headers."\r\n" : "") . ($opt["include_body"] ? $http->response : "");
// if a file handle was provided for output, write the output to it
if (isset($opt["output_handle"])) {
fwrite($opt["output_handle"],$output);
// if the caller requested that the response be returned, return it
} elseif ($opt["return_transfer"]) {
return $output;
// otherwise, just echo the output to stdout
} else {
echo $output;
}
return true;
}
function curl_close($ch) {
$opt = &$GLOBALS["_CURLNAT_OPT"][$ch];
if ($opt["settings"]) {
$settings = &$opt["settings"];
// if the user used CURLOPT_INFILE to specify a file to upload, remove the
// temporary file created for the CURL binary
if ($settings["upload-file"]["value"] && file_exists($settings["upload-file"]["value"])) unlink($settings["upload-file"]["value"]);
}
unset($GLOBALS["_CURLNAT_OPT"][$ch]);
}
function curl_errno($ch) {
return (int) $GLOBALS["_CURLNAT_OPT"][$ch]["errno"];
}
function curl_error($ch) {
return $GLOBALS["_CURLNAT_OPT"][$ch]["error"];
}
function curl_getinfo($ch,$opt=NULL) {
if ($opt) {
$curlinfo_tags = array(
CURLINFO_EFFECTIVE_URL=>"url",
CURLINFO_CONTENT_TYPE=>"content_type",
CURLINFO_HTTP_CODE=>"http_code",
CURLINFO_HEADER_SIZE=>"header_size",
CURLINFO_REQUEST_SIZE=>"request_size",
CURLINFO_FILETIME=>"filetime",
CURLINFO_SSL_VERIFYRESULT=>"ssl_verify_result",
CURLINFO_REDIRECT_COUNT=>"redirect_count",
CURLINFO_TOTAL_TIME=>"total_time",
CURLINFO_NAMELOOKUP_TIME=>"namelookup_time",
CURLINFO_CONNECT_TIME=>"connect_time",
CURLINFO_PRETRANSFER_TIME=>"pretransfer_time",
CURLINFO_SIZE_UPLOAD=>"size_upload",
CURLINFO_SIZE_DOWNLOAD=>"size_download",
CURLINFO_SPEED_DOWNLOAD=>"speed_download",
CURLINFO_SPEED_UPLOAD=>"speed_upload",
CURLINFO_CONTENT_LENGTH_DOWNLOAD=>"download_content_length",
CURLINFO_CONTENT_LENGTH_UPLOAD=>"upload_content_length",
CURLINFO_STARTTRANSFER_TIME=>"starttransfer_time",
CURLINFO_REDIRECT_TIME=>"redirect_time"
);
$key = $curlinfo_tags[$opt];
return $GLOBALS["_CURLNAT_OPT"][$ch]["stats"][$key];
} else {
return $GLOBALS["_CURLNAT_OPT"][$ch]["stats"];
}
}
function curl_version() {
return "libcurlemu/".CURLNAT_VERSION."-nat";
}
}
?>

15
lib/libcurlemu/readme_moodle.txt
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@ -1,15 +0,0 @@
Description of libcurlemu v1.0.3 import into Moodle
Changes:
* example.php - removed
* original HTTPRetriever v1.1.5 replaced by standalone package v1.1.9
* fixed many warnings and cookie problem in HTTPRetriever - marked by //moodlefix (to be reported later upstream after some more testing)
Note to developers:
1/ if you want to test binary curl, disable curl in PHP config
2/ if you want to test php emulation, do 1/ and define("CURL_PATH","/usr/bin/curlxxxxxxx"); in config.php
TODO:
* test the proxy function and add admin tree settings for $CFG->proxyuser and $CFG->proxypassword
$Id$