/
files2.php
1440 lines (1347 loc) · 46.6 KB
/
files2.php
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<?php /*
ocPortal
Copyright (c) ocProducts, 2004-2012
See text/EN/licence.txt for full licencing information.
NOTE TO PROGRAMMERS:
Do not edit this file. If you need to make changes, save your changed file to the appropriate *_custom folder
**** If you ignore this advice, then your website upgrades (e.g. for bug fixes) will likely kill your changes ****
*/
/*EXTRA FUNCTIONS: shell_exec*/
/**
* @license http://opensource.org/licenses/cpal_1.0 Common Public Attribution License
* @copyright ocProducts Ltd
* @package core
*/
/**
* Standard code module initialisation function.
*/
function init__files2()
{
global $HTTP_DOWNLOAD_MIME_TYPE,$HTTP_DOWNLOAD_SIZE,$HTTP_DOWNLOAD_URL,$HTTP_MESSAGE,$HTTP_MESSAGE_B,$HTTP_NEW_COOKIES,$HTTP_FILENAME,$HTTP_CHARSET,$HTTP_DOWNLOAD_MTIME;
$HTTP_DOWNLOAD_MIME_TYPE=NULL;
$HTTP_DOWNLOAD_SIZE=NULL;
$HTTP_DOWNLOAD_URL=NULL;
$HTTP_DOWNLOAD_MTIME=NULL;
$HTTP_MESSAGE=NULL;
$HTTP_MESSAGE_B=NULL;
$HTTP_NEW_COOKIES=array();
$HTTP_FILENAME=NULL;
$HTTP_CHARSET=NULL;
global $CURL_HEADERS, $CURL_BODY, $CURL_WRITE_TO_FILE;
$CURL_HEADERS = array();
$CURL_BODY = '';
$CURL_WRITE_TO_FILE = null;
}
/**
* Provides a hook for file-move synchronisation between mirrored servers. Called after any rename or move action.
*
* @param PATH File/directory name to move from (may be full or relative path)
* @param PATH File/directory name to move to (may be full or relative path)
*/
function _sync_file_move($old,$new)
{
global $FILE_BASE;
if (file_exists($FILE_BASE.'/data_custom/sync_script.php'))
{
require_once($FILE_BASE.'/data_custom/sync_script.php');
if (substr($old,0,strlen($FILE_BASE))==$FILE_BASE)
{
$old=substr($old,strlen($FILE_BASE));
}
if (substr($new,0,strlen($FILE_BASE))==$FILE_BASE)
{
$new=substr($new,strlen($FILE_BASE));
}
if (function_exists('master__sync_file_move')) master__sync_file_move($old,$new);
}
}
/**
* Delete all the contents of a directory, and any subdirectories of that specified directory (recursively).
*
* @param PATH The pathname to the directory to delete
* @param boolean Whether to preserve files there by default
* @param boolean Whether to just delete files
*/
function _deldir_contents($dir,$default_preserve=false,$just_files=false)
{
$current_dir=@opendir($dir);
if ($current_dir!==false)
{
while (false!==($entryname=readdir($current_dir)))
{
if ($default_preserve)
{
if ($entryname=='index.html') continue;
if ($entryname[0]=='.') continue;
if (in_array(str_replace(get_file_base().'/','',$dir).'/'.$entryname,array('uploads/banners/advertise_here.png','uploads/banners/donate.png','themes/map.ini','themes/default')))
continue;
}
if ((is_dir($dir.'/'.$entryname)) && ($entryname!='.') && ($entryname!='..'))
{
deldir_contents($dir.'/'.$entryname,$default_preserve,$just_files);
if (!$just_files)
{
$test=@rmdir($dir.'/'.$entryname);
if (($test===false) && (!$just_files/*tolerate weird locked dirs if we only need to delete files anyways*/)) warn_exit(do_lang_tempcode('WRITE_ERROR',escape_html($dir.'/'.$entryname)));
}
}
elseif (($entryname!='.') && ($entryname!='..') /*&& ($entryname!='index.html') && ($entryname!='.htaccess')*/)
{
$test=@unlink($dir.'/'.$entryname);
if ($test===false) intelligent_write_error($dir.'/'.$entryname);
}
sync_file($dir.'/'.$entryname);
}
closedir($current_dir);
}
}
/**
* Output data to a CSV file.
*
* @param array List of maps, each map representing a row
* @param ID_TEXT Filename to output
* @param boolean Whether to output CSV headers
* @param boolean Whether to output/exit when we're done instead of return
* @return string CSV data (we might not return though, depending on $exit)
*/
function make_csv($data,$filename='data.csv',$headers=true,$output_and_exit=true)
{
if ($headers)
{
header('Content-type: text/csv; charset='.get_charset());
header('Content-Disposition: attachment; filename="'.str_replace(chr(13),'',str_replace(chr(10),'',addslashes($filename))).'"');
if (ocp_srv('REQUEST_METHOD')=='HEAD') return '';
}
$out='';
foreach ($data as $i=>$line)
{
if ($i==0) // Header
{
foreach (array_keys($line) as $j=>$val)
{
if ($j!=0) $out.=',';
$out.='"'.str_replace('"','""',$val).'"';
}
$out.=chr(10);
}
// Main data
$j=0;
foreach ($line as $val)
{
if (is_null($val)) $val='';
elseif (!is_string($val)) $val=strval($val);
if ($j!=0) $out.=',';
$out.='"'.str_replace('"','""',$val).'"';
$j++;
}
$out.=chr(10);
}
if ($output_and_exit)
{
$GLOBALS['SCREEN_TEMPLATE_CALLED']='';
safe_ini_set('ocproducts.xss_detect','0');
exit($out);
}
return $out;
}
/**
* Find path to the PHP executable.
*
* @param boolean Whether we need a CGI interpreter
* @return PATH Path to PHP
*/
function find_php_path($cgi=false)
{
$search_dirs=array(
'/bin',
'/usr/bin',
'/usr/local/bin',
'/usr/php/bin',
'/usr/php/sbin',
'/usr/php5/bin',
'/usr/php5/sbin',
'/usr/php6/bin',
'/usr/php6/sbin',
'c:\\php',
'c:\\php5',
'c:\\php6',
'c:\\progra~1\\php',
'c:\\progra~1\\php5',
'c:\\progra~1\\php6',
);
$filenames=array(
'php.dSYM',
'php',
'php5',
'php6',
'php-cli.dSYM',
'php-cli',
'php5-cli',
'php6-cli',
'php-cgi.dSYM',
'php-cgi',
'php5-cgi',
'php6-cgi',
);
foreach ($search_dirs as $dir)
{
foreach ($filenames as $file)
{
if ((!$cgi) || (strpos($file,'cgi')!==false))
{
if (@file_exists($dir.'/'.$file)) break 2;
}
}
}
if (!@file_exists($dir.'/'.$file))
{
$php_path=$cgi?'php-cgi':'php';
} else
{
$php_path=$dir.'/'.$file;
}
return $php_path;
}
/**
* Get the contents of a directory, recursively. It is assumed that the directory exists.
*
* @param PATH The path to search
* @param PATH The path we prepend to everything we find (intended to be used inside the recursion)
* @param boolean Whether to also get special files
* @param boolean Whether to recurse (if not, will return directories as files)
* @param boolean Whether to get files (if not, will return directories as files)
* @return array The contents of the directory
*/
function get_directory_contents($path,$rel_path='',$special_too=false,$recurse=true,$files_wanted=true)
{
$out=array();
$d=@opendir($path);
if ($d===false)
{
return array();
}
while (($file=readdir($d))!==false)
{
if (!$special_too)
{
if (should_ignore_file($rel_path.(($rel_path=='')?'':'/').$file,IGNORE_ACCESS_CONTROLLERS)) continue;
} elseif (($file=='.') || ($file=='..')) continue;
$is_file=is_file($path.'/'.$file);
if (($is_file) || (!$recurse))
{
if (($files_wanted) || (!$is_file))
$out[]=$rel_path.(($rel_path=='')?'':'/').$file;
} elseif (is_dir($path.'/'.$file))
{
if (!$files_wanted)
$out[]=$rel_path.(($rel_path=='')?'':'/').$file;
$out=array_merge($out,get_directory_contents($path.'/'.$file,$rel_path.(($rel_path=='')?'':'/').$file,$special_too,$recurse,$files_wanted));
}
}
closedir($d);
return $out;
}
/**
* Get the size in bytes of a directory. It is assumed that the directory exists.
*
* @param PATH The path to search
* @param boolean Whether to recurse (if not, will return directories as files)
* @return integer The extra space requested
*/
function get_directory_size($path,$recurse=true)
{
$size=0;
$d=opendir($path);
while (($e=readdir($d))!==false)
{
if (($e=='.') || ($e=='..')) continue;
if (is_file($path.'/'.$e))
{
$size+=filesize($path.'/'.$e);
} elseif (is_dir($path.'/'.$e))
{
if ($recurse)
{
$size+=get_directory_size($path.'/'.$e,$recurse);
}
}
}
return $size;
}
/**
* Get the URL to the config option group for editing limits
*
* @return ?URLPATH The URL to the config option group for editing limits (NULL: no access)
*/
function get_upload_limit_config_url()
{
$config_url=NULL;
if (has_actual_page_access(get_member(),'admin_config'))
{
$_config_url=build_url(array('page'=>'admin_config','type'=>'category','id'=>'SITE'),get_module_zone('admin_config'));
$config_url=$_config_url->evaluate();
$config_url.='#group_UPLOAD';
}
return $config_url;
}
/**
* Get the maximum allowed upload filesize, as specified in the configuration
*
* @param ?MEMBER Member we consider quota for (NULL: do not consider quota)
* @param ?object Database connection to get quota from (NULL: site DB)
* @return integer The maximum allowed upload filesize, in bytes
*/
function get_max_file_size($source_member=NULL,$connection=NULL)
{
$possibilities=array();
$a=php_return_bytes(ini_get('upload_max_filesize'));
$b=php_return_bytes(ini_get('post_max_size'));
$c=intval(get_option('max_download_size'))*1024;
if (has_specific_permission(get_member(),'exceed_filesize_limit')) $c=0;
$d=mixed();
if ((!is_null($source_member)) && (!has_specific_permission(get_member(),'exceed_filesize_limit'))) // We'll be considering quota also
{
if (get_forum_type()=='ocf')
{
require_code('ocf_groups');
$daily_quota=ocf_get_member_best_group_property($source_member,'max_daily_upload_mb');
} else
{
$daily_quota=5; // 5 is a hard-coded default for non-OCF forums
}
if (is_null($connection)) $connection=$GLOBALS['SITE_DB'];
$_size_uploaded_today=$connection->query('SELECT SUM(a_file_size) AS the_answer FROM '.$connection->get_table_prefix().'attachments WHERE a_member_id='.strval((integer)$source_member).' AND a_add_time>'.strval(time()-60*60*24).' AND a_add_time<='.strval(time()));
$size_uploaded_today=intval($_size_uploaded_today[0]['the_answer']);
$d=$daily_quota*1024*1024-$size_uploaded_today;
}
if ($a!=0) $possibilities[]=$a;
if ($b!=0) $possibilities[]=$b;
if ($c!=0) $possibilities[]=$c;
if ($d!==NULL) $possibilities[]=$d;
return min($possibilities);
}
/**
* Check uploaded file extensions for possible malicious intent, and if some is found, an error is put out, and the hackattack logged.
*
* @param string The filename
* @param boolean Whether to skip the server side security check
* @param ?string Delete this file if we have to exit (NULL: no file to delete)
* @param boolean Whether to allow errors without dying
* @return boolean Success status
*/
function check_extension($name,$skip_server_side_security_check=false,$file_to_delete=NULL,$accept_errors=false)
{
$ext=get_file_extension($name);
$_types=get_option('valid_types');
$types=array_flip(explode(',',$_types));
$_types='';
ksort($types);
if (!$skip_server_side_security_check)
{
if (!has_specific_permission(get_member(),'use_very_dangerous_comcode'))
{
unset($types['js']);
unset($types['swf']);
unset($types['html']);
unset($types['htm']);
unset($types['shtml']);
unset($types['svg']);
unset($types['xml']);
}
}
foreach (array_flip($types) as $val)
$_types.=$val.',';
$_types=substr($_types,0,strlen($_types)-1);
if (!$skip_server_side_security_check)
{
if (($ext=='py') || ($ext=='fcgi') || ($ext=='yaws') || ($ext=='dll') || ($ext=='cgi') || ($ext=='cfm') || ($ext=='vbs') || ($ext=='rhtml') || ($ext=='rb') || ($ext=='pl') || ($ext=='phtml') || ($ext=='php') || ($ext=='php3') || ($ext=='php4') || ($ext=='php5') || ($ext=='php6') || ($ext=='phtml') || ($ext=='aspx') || ($ext=='ashx') || ($ext=='asmx') || ($ext=='asx') || ($ext=='axd') || ($ext=='asp') || ($ext=='aspx') || ($ext=='jsp') || ($ext=='sh') || ($ext=='cgi') || (strtolower($name)=='.htaccess'))
{
if (!is_null($file_to_delete)) unlink($file_to_delete);
if ($accept_errors) return false;
log_hack_attack_and_exit('SCRIPT_UPLOAD_HACK');
}
}
if ($_types!='')
{
$types=explode(',',$_types);
foreach ($types as $val)
if (strtolower(trim($val))==$ext) return true;
if (!is_null($file_to_delete)) unlink($file_to_delete);
$message=do_lang_tempcode('INVALID_FILE_TYPE',escape_html($ext),escape_html(str_replace(',',', ',$_types)));
if (has_actual_page_access(get_member(),'admin_config'))
{
$_link=build_url(array('page'=>'admin_config','type'=>'category','id'=>'SECURITY'),get_module_zone('admin_config'));
$link=$_link->evaluate();
$link.='#group_UPLOAD';
$message=do_lang_tempcode('INVALID_FILE_TYPE_ADMIN',escape_html($ext),escape_html(str_replace(',',', ',$_types)),escape_html($link));
}
if ($accept_errors)
{
require_code('site');
attach_message($message,'warn');
return false;
} else
{
warn_exit($message);
}
}
return true;
}
/**
* Delete an uploaded file from disk, if it's URL has changed (i.e. it's been replaced, leaving a redundant disk file).
*
* @param string The path to the upload directory
* @param ID_TEXT The table name
* @param ID_TEXT The table field name
* @param mixed The table ID field name, or a map array
* @param mixed The table ID
* @param ?string The new URL to use (NULL: deleting without replacing: no change check)
*/
function delete_upload($upload_path,$table,$field,$id_field,$id,$new_url=NULL)
{
// Try and delete the file
if ($GLOBALS['FORUM_DRIVER']->is_staff(get_member())) // This isn't really a permission - more a failsafe in case there is a security hole. Staff can cleanup leftover files from the Cleanup module anyway
{
$where=is_array($id_field)?$id_field:array($id_field=>$id);
$url=$GLOBALS['SITE_DB']->query_value($table,$field,$where);
if ($url=='') return;
if ((is_null($new_url)) || (($url!=$new_url) && ($new_url!=STRING_MAGIC_NULL)))
{
if ((url_is_local($url)) && (substr($url,0,strlen($upload_path)+1)==$upload_path.'/'))
{
$count=$GLOBALS['SITE_DB']->query_value($table,'COUNT(*)',array($field=>$url));
if ($count<=1)
{
@unlink(get_custom_file_base().'/'.rawurldecode($url));
sync_file(rawurldecode($url));
}
}
}
}
}
/**
* Check bandwidth usage against page view ratio for shared hosting.
*
* @param integer The extra bandwidth requested
*/
function check_shared_bandwidth_usage($extra)
{
global $SITE_INFO;
if (array_key_exists('throttle_bandwidth_registered',$SITE_INFO))
{
$views_till_now=intval(get_value('page_views'));
$bandwidth_allowed=$SITE_INFO['throttle_bandwidth_registered'];
$total_bandwidth=intval(get_value('download_bandwidth'));
if ($bandwidth_allowed*1024*1024>=$total_bandwidth+$extra) return;
}
if (array_key_exists('throttle_bandwidth_complementary',$SITE_INFO))
{
// $timestamp_start=$SITE_INFO['custom_user_'].current_share_user();
// $days_till_now=(time()-$timestamp_start)/(24*60*60);
$views_till_now=intval(get_value('page_views'));
$bandwidth_allowed=$SITE_INFO['throttle_bandwidth_complementary']+$SITE_INFO['throttle_bandwidth_views_per_meg']*$views_till_now;
$total_bandwidth=intval(get_value('download_bandwidth'));
if ($bandwidth_allowed*1024*1024<$total_bandwidth+$extra)
critical_error('RELAY','The hosted user has exceeded their shared-hosting "bandwidth-limit to page-view" ratio. More pages must be viewed before this may be downloaded.');
}
}
/**
* Check disk space usage against page view ratio for shared hosting.
*
* @param integer The extra space in bytes requested
*/
function check_shared_space_usage($extra)
{
global $SITE_INFO;
if (array_key_exists('throttle_space_registered',$SITE_INFO))
{
$views_till_now=intval(get_value('page_views'));
$bandwidth_allowed=$SITE_INFO['throttle_space_registered'];
$total_space=get_directory_size(get_custom_file_base().'/uploads');
if ($bandwidth_allowed*1024*1024>=$total_space+$extra) return;
}
if (array_key_exists('throttle_space_complementary',$SITE_INFO))
{
// $timestamp_start=$SITE_INFO['custom_user_'].current_share_user();
// $days_till_now=(time()-$timestamp_start)/(24*60*60);
$views_till_now=intval(get_value('page_views'));
$space_allowed=$SITE_INFO['throttle_space_complementary']+$SITE_INFO['throttle_space_views_per_meg']*$views_till_now;
$total_space=get_directory_size(get_custom_file_base().'/uploads');
if ($space_allowed*1024*1024<$total_space+$extra)
critical_error('RELAY','The hosted user has exceeded their shared-hosting "disk-space to page-view" ratio. More pages must be viewed before this may be uploaded.');
}
}
/**
* Return the file in the URL by downloading it over HTTP. If a byte limit is given, it will only download that many bytes. It outputs warnings, returning NULL, on error.
*
* @param URLPATH The URL to download
* @param ?integer The number of bytes to download. This is not a guarantee, it is a minimum (NULL: all bytes)
* @range 1 max
* @param boolean Whether to throw an ocPortal error, on error
* @param boolean Whether to block redirects (returns NULL when found)
* @param string The user-agent to identify as
* @param ?array An optional array of POST parameters to send; if this is NULL, a GET request is used (NULL: none)
* @param ?array An optional array of cookies to send (NULL: none)
* @param ?string 'accept' header value (NULL: don't pass one)
* @param ?string 'accept-charset' header value (NULL: don't pass one)
* @param ?string 'accept-language' header value (NULL: don't pass one)
* @param ?resource File handle to write to (NULL: do not do that)
* @param ?string The HTTP referer (NULL: none)
* @param ?array A pair: authentication username and password (NULL: none)
* @param float The timeout
* @param boolean Whether to treat the POST parameters as a raw POST (rather than using MIME)
* @param ?array Files to send. Map between field to file path (NULL: none)
* @return ?string The data downloaded (NULL: error)
*/
function _http_download_file($url,$byte_limit=NULL,$trigger_error=true,$no_redirect=false,$ua='ocPortal',$post_params=NULL,$cookies=NULL,$accept=NULL,$accept_charset=NULL,$accept_language=NULL,$write_to_file=NULL,$referer=NULL,$auth=NULL,$timeout=6.0,$is_xml=false,$files=NULL)
{
if ($cookies===null) $cookies=array();
// Normalise the URL
require_code('urls');
$url=str_replace(' ','%20',$url);
if (url_is_local($url)) $url=get_custom_base_url().'/'.$url;
if ((strpos($url,'/')!==false) && (strrpos($url,'/')<7)) $url.='/';
// Initialisation
global $DOWNLOAD_LEVEL;
$DOWNLOAD_LEVEL++;
global $HTTP_DOWNLOAD_MIME_TYPE;
$HTTP_DOWNLOAD_MIME_TYPE=NULL;
global $HTTP_CHARSET;
$HTTP_CHARSET=NULL;
global $HTTP_DOWNLOAD_SIZE;
$HTTP_DOWNLOAD_SIZE=0;
global $HTTP_DOWNLOAD_URL;
$HTTP_DOWNLOAD_URL=$url;
global $HTTP_DOWNLOAD_MTIME;
$HTTP_DOWNLOAD_MTIME=NULL;
global $HTTP_MESSAGE;
$HTTP_MESSAGE=NULL;
global $HTTP_MESSAGE_B;
$HTTP_MESSAGE_B=NULL;
global $HTTP_NEW_COOKIES;
if ($DOWNLOAD_LEVEL==0) $HTTP_NEW_COOKIES=array();
global $HTTP_FILENAME;
$HTTP_FILENAME=NULL;
// Prevent DOS loop attack
if (ocp_srv('HTTP_USER_AGENT')==$ua) $ua='ocP-recurse';
if (ocp_srv('HTTP_USER_AGENT')=='ocP-recurse') return NULL;
if ($DOWNLOAD_LEVEL==8) return '';//critical_error('FILE_DOS',$url);
// Work out what we'll be doing
$url_parts=@parse_url($url);
if ($url_parts===false || !isset($url_parts['host']))
{
if ($trigger_error)
warn_exit(do_lang_tempcode('HTTP_DOWNLOAD_BAD_URL',escape_html($url)));
else $HTTP_MESSAGE_B=do_lang_tempcode('HTTP_DOWNLOAD_BAD_URL',escape_html($url));
$DOWNLOAD_LEVEL--;
$HTTP_MESSAGE='malconstructed-URL';
return NULL;
}
if (!array_key_exists('scheme',$url_parts)) $url_parts['scheme']='http';
// File-system/shell_exec method, for local calls
$faux=function_exists('get_value')?get_value('http_faux_loopback'):NULL;
if ((!is_null($faux)) && ($faux!='') && (is_null($post_params)) && (is_null($files))) // NB: Does not support cookies, accept headers, referers
{
if (substr($faux,0,1)!='#') $faux='#'.$faux.'#i';
if (preg_match($faux,$url)!=0)
{
$parsed=parse_url($url);
$parsed_base_url=parse_url(get_custom_base_url());
$file_base=get_custom_file_base();
$file_base=preg_replace('#'.preg_quote(urldecode($parsed_base_url['path'])).'$#','',$file_base);
$file_path=$file_base.urldecode($parsed['path']);
if ((substr($file_path,-4)=='.php') && (strpos(@ini_get('disable_functions'),'shell_exec')===false))
{
$cmd='DOCUMENT_ROOT='.escapeshellarg(dirname(get_file_base())).' PATH_TRANSLATED='.escapeshellarg($file_path).' SCRIPT_NAME='.escapeshellarg($file_path).' HTTP_USER_AGENT='.escapeshellarg($ua).' QUERY_STRING='.escapeshellarg($parsed['query']).' HTTP_HOST='.escapeshellarg($parsed['host']).' '.escapeshellcmd(find_php_path(true)).' '.escapeshellarg($file_path);
$contents=shell_exec($cmd);
$split_pos=strpos($contents,"\r\n\r\n");
if ($split_pos!==false)
{
$headers=explode("\r\n",substr($contents,0,$split_pos));
foreach ($headers as $line)
{
_read_in_headers($line);
}
$contents=substr($contents,$split_pos+4);
}
} else
{
if ($trigger_error)
{
$contents=file_get_contents($file_path);
} else
{
$contents=@file_get_contents($file_path);
}
require_code('mime_types');
$HTTP_DOWNLOAD_MIME_TYPE=get_mime_type(get_file_extension($file_path));
$HTTP_DOWNLOAD_SIZE=filesize($file_path);
$HTTP_DOWNLOAD_MTIME=filemtime($file_path);
$HTTP_MESSAGE='200';
$HTTP_FILENAME=NULL;
}
if (!is_null($byte_limit)) $contents=substr($contents,0,$byte_limit);
if (!is_null($write_to_file))
{
fwrite($write_to_file,$contents);
return '';
}
$DOWNLOAD_LEVEL--;
return _detect_character_encoding($contents);
}
}
$use_curl=(($url_parts['scheme']!='http') && (function_exists('curl_version'))) || ((function_exists('get_value')) && (get_value('prefer_curl')==='1')) || (!php_function_allowed('fsockopen'));
// Prep cookies and post data
$sent_http_post_content=false;
if (!is_null($post_params))
{
if ($is_xml)
{
$_postdetails_params=$post_params[0];
} else
{
$_postdetails_params='';//$url_parts['scheme'].'://'.$url_parts['host'].$url2.'?';
$first=true;
if (array_keys($post_params)==array('_'))
{
$_postdetails_params=$post_params['_'];
} else
{
if (count($post_params)>0)
{
if (function_exists('http_build_query'))
{
$post_params_copy=$post_params;
foreach ($post_params_copy as $param_key=>$param_value)
{
if (($use_curl) && (substr($param_value,0,1)=='@'))
{
$param_value=' @'.substr($param_value,1);
$post_params_copy[$param_key]=$param_value;
}
}
$_postdetails_params.='?'.http_build_query($post_params_copy);
$sent_http_post_content=true;
} else
{
$first=true;
foreach ($post_params as $param_key=>$param_value)
{
if ($use_curl)
{
if (substr($param_value,0,1)=='@') $param_value=' @'.substr($param_value,1);
}
$_postdetails_params.=((array_key_exists('query',$url_parts)) || (!$first))?('&'.$param_key.'='.rawurlencode($param_value)):($param_key.'='.rawurlencode($param_value));
$first=false;
}
$sent_http_post_content=false;
}
}
}
}
} else $_postdetails_params='';
if (count($cookies)!=0)
{
$_cookies='';
$done_one_cookie=false;
foreach ($cookies as $key=>$val)
{
if ($done_one_cookie) $_cookies.='; ';
if (is_array($val))
{
foreach ($val as $key2=>$val2)
{
if (!is_string($key2)) $key2=strval($key2);
if ($done_one_cookie) $_cookies.='; ';
$_cookies.=$key.'['.$key2.']='.rawurlencode($val2);
$done_one_cookie=true;
}
} else
{
$_cookies.=$key.'='.rawurlencode($val);
}
$done_one_cookie=true;
}
}
// CURL method
if ($use_curl)
{
if (!is_null($files))
{
if (is_null($post_params)) $post_params=array();
foreach ($files as $upload_field=>$file_path)
{
$post_params[$upload_field]='@'.$file_path;
}
}
if (function_exists('curl_version'))
if (function_exists('curl_init'))
if (function_exists('curl_setopt'))
if (function_exists('curl_exec'))
if (function_exists('curl_error'))
if (function_exists('curl_close'))
if (function_exists('curl_getinfo'))
if (($url_parts['scheme']=='https') || ($url_parts['scheme']=='http'))
{
$curl_version=curl_version();
if (((is_string($curl_version)) && (strpos($curl_version,'OpenSSL')!==false)) || ((is_array($curl_version)) && (array_key_exists('ssl_version',$curl_version))))
{
$ch=curl_init($url);
if (!is_null($post_params))
{
curl_setopt($ch,CURLOPT_POST,true);
if (is_null($files))
{
curl_setopt($ch,CURLOPT_POSTFIELDS,$_postdetails_params);
} else
{
@curl_setopt($ch,CURLOPT_POSTFIELDS,$post_params); // PHP5.5 gives a deprecation warning
}
}
if (count($cookies)!=0) curl_setopt($ch,CURLOPT_COOKIE,$_cookies);
$crt_path=get_file_base().'/data/curl-ca-bundle.crt';
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,!((function_exists('get_value')) && (get_value('disable_ssl_for__'.$url_parts['host'])==='1')));
if (ini_get('curl.cainfo')=='')
{
curl_setopt($ch,CURLOPT_CAINFO,$crt_path);
curl_setopt($ch,CURLOPT_CAPATH,$crt_path);
}
if (defined('CURL_SSLVERSION_TLSv1'))
{
curl_setopt($ch,CURLOPT_SSLVERSION,CURL_SSLVERSION_TLSv1);
} else
{
curl_setopt($ch,CURLOPT_SSL_CIPHER_LIST,'TLSv1');
}
//if (!$no_redirect) @curl_setopt($ch,CURLOPT_FOLLOWLOCATION,true); // May fail with safe mode, meaning we can't follow Location headers. But we can do better ourselves anyway and protect against file:// exploits.
curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,intval($timeout));
curl_setopt($ch,CURLOPT_TIMEOUT,intval($timeout));
curl_setopt($ch,CURLOPT_USERAGENT,$ua);
$headers=array();
if ($is_xml) $headers[]='Content-Type: application/xml';
if (!is_null($accept)) $headers[]='Accept: '.rawurlencode($accept);
if (!is_null($accept_charset)) $headers[]='Accept-Charset: '.rawurlencode($accept_charset);
if (!is_null($accept_language)) $headers[]='Accept-Language: '.rawurlencode($accept_language);
if (is_null($files)) // Breaks file uploads for some reason
curl_setopt($ch,CURLOPT_HTTPHEADER,$headers);
if (!is_null($auth)) curl_setopt($ch,CURLOPT_USERPWD,implode(':',$auth));
if (!is_null($referer))
curl_setopt($ch,CURLOPT_REFERER,$referer);
if (function_exists('get_value'))
{
$proxy=get_value('proxy',NULL,true);
if ($proxy=='') $proxy=NULL;
if ((!is_null($proxy)) && ($url_parts['host']!='localhost') && ($url_parts['host']!='127.0.0.1'))
{
$port=get_value('proxy_port',NULL,true);
if (is_null($port)) $port='8080';
curl_setopt($ch, CURLOPT_PROXY,$proxy.':'.$port);
$proxy_user=get_value('proxy_user',NULL,true);
if (!is_null($proxy_user))
{
$proxy_password=get_value('proxy_password',NULL,true);
curl_setopt($ch, CURLOPT_PROXYUSERPWD, $proxy_user.':'.$proxy_password);
}
}
}
if (!is_null($byte_limit)) curl_setopt($ch,CURLOPT_RANGE,'0-'.strval(($byte_limit==0)?0:($byte_limit-1)));
global $CURL_HEADERS,$CURL_BODY,$CURL_WRITE_TO_FILE;
$CURL_HEADERS=array();
$CURL_BODY='';
$CURL_WRITE_TO_FILE=$write_to_file;
curl_setopt($ch,CURLOPT_HEADERFUNCTION,'_http_download_file_curl_headers');
curl_setopt($ch,CURLOPT_WRITEFUNCTION,'_http_download_file_curl_body');
$result=curl_exec($ch);
if (!$result)
{
$error=curl_error($ch);
curl_close($ch);
} else
{
$HTTP_DOWNLOAD_MIME_TYPE=curl_getinfo($ch,CURLINFO_CONTENT_TYPE);
$HTTP_DOWNLOAD_SIZE=curl_getinfo($ch,CURLINFO_CONTENT_LENGTH_DOWNLOAD);
$HTTP_DOWNLOAD_URL=curl_getinfo($ch,CURLINFO_EFFECTIVE_URL);
$HTTP_MESSAGE=strval(curl_getinfo($ch,CURLINFO_HTTP_CODE));
if ($HTTP_MESSAGE=='206') $HTTP_MESSAGE='200'; // We don't care about partial-content return code, as ocP implementation gets ranges differently and we check '200' as a return result
if (strpos($HTTP_DOWNLOAD_MIME_TYPE,';')!==false)
{
$HTTP_CHARSET=substr($HTTP_DOWNLOAD_MIME_TYPE,8+strpos($HTTP_DOWNLOAD_MIME_TYPE,'charset='));
$HTTP_DOWNLOAD_MIME_TYPE=substr($HTTP_DOWNLOAD_MIME_TYPE,0,strpos($HTTP_DOWNLOAD_MIME_TYPE,';'));
}
curl_close($ch);
foreach ($CURL_HEADERS as $_line)
{
$matches=array();
if (preg_match('#^Content-Disposition: [^;]*;\s*filename="([^"]*)"#i',$_line,$matches)!=0)
{
$HTTP_FILENAME=$matches[1];
}
if (preg_match("#^Set-Cookie: ([^\r\n=]*)=([^\r\n]*)\r\n#i",$_line,$matches)!=0)
{
$cookie_key=trim(rawurldecode($matches[1]));
$cookie_value=trim($matches[2]);
$_cookie_parts=explode('; ',$cookie_value);
$cookie_parts=array();
$cookie_parts['key']=$cookie_key;
$cookie_parts['value']=trim(rawurldecode(array_shift($_cookie_parts)));
foreach ($_cookie_parts as $i=>$part)
{
$temp=explode('=',$part,2);
if (array_key_exists(1,$temp))
{
$cookie_parts[trim($temp[0])]=trim(rawurldecode($temp[1]));
}
}
if (function_exists('get_cookie_domain'))
$cookie_parts['domain']=get_cookie_domain();
$HTTP_NEW_COOKIES[$cookie_key]=$cookie_parts;
}
if (preg_match("#^Location: (.*)\r\n#i",$_line,$matches)!=0)
{
if (is_null($HTTP_FILENAME)) $HTTP_FILENAME=basename($matches[1]);
if (strpos($matches[1],'://')===false) $matches[1]=qualify_url($matches[1],$url,true);
if ($matches[1]!=$url)
{
$bak=$HTTP_FILENAME;
$text=$no_redirect?mixed():_http_download_file($matches[1],$byte_limit,$trigger_error,false,$ua,NULL,collapse_2d_complexity('key','value',$HTTP_NEW_COOKIES)+$cookies,$accept,$accept_charset,$accept_language,$write_to_file);
if (is_null($HTTP_FILENAME)) $HTTP_FILENAME=$bak;
$DOWNLOAD_LEVEL--;
return _detect_character_encoding($text);
}
}
}
$DOWNLOAD_LEVEL--;
$ret=_detect_character_encoding($CURL_BODY);
if ($HTTP_MESSAGE!='200') $ret='';
return $ret;
}
}
}
}
// Direct sockets method
$errno=0;
$errstr='';
if ($url_parts['scheme']=='http')
{
if (!array_key_exists('host',$url_parts)) $url_parts['host']='127.0.0.1';
$connect_to=$url_parts['host'];
$base_url_parsed=parse_url(get_base_url());
if (!array_key_exists('host',$base_url_parsed)) $base_url_parsed['host']='127.0.0.1';
if (($base_url_parsed['host']==$connect_to) && (function_exists('get_option')) && (get_option('ip_forwarding')=='1')) // For cases where we have IP-forwarding, and a strong firewall (i.e. blocked to our own domain's IP by default)
{
$connect_to=ocp_srv('LOCAL_ADDR');
if ($connect_to=='') $connect_to='127.0.0.1'; // Localhost can fail due to IP6
} elseif (preg_match('#(\s|,|^)gethostbyname(\s|$|,)#i',@ini_get('disable_functions'))==0) $connect_to=@gethostbyname($connect_to); // for DNS cacheing
$proxy=function_exists('get_value')?get_value('proxy',NULL,true):NULL;
if ($proxy=='') $proxy=NULL;
if ((!is_null($proxy)) && ($connect_to!='localhost') && ($connect_to!='127.0.0.1'))
{
$proxy_port=get_value('proxy_port',NULL,true);
if (is_null($proxy_port)) $proxy_port='8080';
$mysock=@fsockopen($proxy,intval($proxy_port),$errno,$errstr,$timeout);
} else
{
$mysock=@fsockopen($connect_to,array_key_exists('port',$url_parts)?$url_parts['port']:80,$errno,$errstr,$timeout);
}
if (is_null($mysock)) $mysock=false; // For Quercus #4549
} else $mysock=false;
if ($mysock!==false)
{
if (function_exists('stream_set_timeout'))
{
if (@stream_set_timeout($mysock,intval($timeout))===false) $mysock=false;
} elseif (function_exists('socket_set_timeout'))
{
if (@socket_set_timeout($mysock,intval($timeout))===false) $mysock=false;
}
}
if ($mysock!==false)
{
$url2=array_key_exists('path',$url_parts)?$url_parts['path']:'/';
if (array_key_exists('query',$url_parts)) $url2.='?'.$url_parts['query'];
if ((!is_null($proxy)) && ($connect_to!='localhost') && ($connect_to!='127.0.0.1'))
{
$out='';
$out.=((is_null($post_params))?(($byte_limit===0)?'HEAD ':'GET '):'POST ').str_replace("\r",'',str_replace(chr(10),'',$url))." HTTP/1.1\r\n";
$proxy_user=get_value('proxy_user',NULL,true);
if (!is_null($proxy_user))
{
$proxy_password=get_value('proxy_password',NULL,true);
$out.='Proxy-Authorization: Basic '.base64_encode($proxy_user.':'.$proxy_password)."\r\n";
}
} else
{
$out=((is_null($post_params))?(($byte_limit===0)?'HEAD ':'GET '):'POST ').str_replace("\r",'',str_replace(chr(10),'',$url2))." HTTP/1.1\r\n";
}
$out.="Host: ".$url_parts['host']."\r\n";
if (count($cookies)!=0) $out.='Cookie: '.$_cookies."\r\n";
$out.="User-Agent: ".rawurlencode($ua)."\r\n";
if (!is_null($auth))
{
$out.="Authorization: Basic ".base64_encode(implode(':',$auth))."==\r\n";
}
if (!is_null($accept))
{
$out.="Accept: ".rawurlencode($accept)."\r\n";
} else
{
$out.="Accept: */*\r\n"; // There's a mod_security rule that checks for this
}
if (!is_null($accept_charset))
{
$out.="Accept-Charset: ".rawurlencode($accept_charset)."\r\n";
}
if (!is_null($accept_language))
{
$out.="Accept-Language: ".rawurlencode($accept_language)."\r\n";
}
if (!is_null($referer))
$out.="Referer: ".rawurlencode($referer)."\r\n";
if ($_postdetails_params!='')
{
if ($is_xml)
{
$out.="Content-Type: application/xml\r\n";
$out.='Content-length: '.strval(strlen($_postdetails_params))."\r\n";
$out.="\r\n".$_postdetails_params."\r\n\r\n";
} else
{
if (is_null($files))
{
$out.='Content-type: application/x-www-form-urlencoded; charset='.get_charset()."\r\n";
$out.='Content-length: '.strval(strlen($_postdetails_params))."\r\n";
$out.="\r\n".$_postdetails_params."\r\n\r\n";
} else
{
$divider=uniqid('',true);
$out2='';
$out.='Content-type: multipart/form-data; boundary="--ocp'.$divider.'"; charset='.get_charset()."\r\n";
foreach ($post_params as $key=>$val)
{
$out2.='----ocp'.$divider."\r\n";
$out2.='Content-Disposition: form-data; name="'.urlencode($key).'"'."\r\n\r\n";
$out2.=$val."\r\n";
}
if (!is_null($files))
{
foreach ($files as $upload_field=>$file_path)
{
$out2.='----ocp'.$divider."\r\n";
$out2.='Content-Disposition: form-data; name="'.urlencode($upload_field).'"; filename="'.urlencode(basename($file_path)).'"'."\r\n";
$out2.='Content-Type: application/octet-stream'."\r\n\r\n";
$out2.=file_get_contents($file_path)."\r\n";
}