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-rw-r--r--vendor/adodb/adodb-php/adodb-csvlib.inc.php315
1 files changed, 315 insertions, 0 deletions
diff --git a/vendor/adodb/adodb-php/adodb-csvlib.inc.php b/vendor/adodb/adodb-php/adodb-csvlib.inc.php
new file mode 100644
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+++ b/vendor/adodb/adodb-php/adodb-csvlib.inc.php
@@ -0,0 +1,315 @@
+<?php
+
+// security - hide paths
+if (!defined('ADODB_DIR')) die();
+
+global $ADODB_INCLUDED_CSV;
+$ADODB_INCLUDED_CSV = 1;
+
+/*
+
+ @version v5.20.14 06-Jan-2019
+ @copyright (c) 2000-2013 John Lim (jlim#natsoft.com). All rights reserved.
+ @copyright (c) 2014 Damien Regad, Mark Newnham and the ADOdb community
+ Released under both BSD license and Lesser GPL library license.
+ Whenever there is any discrepancy between the two licenses,
+ the BSD license will take precedence. See License.txt.
+ Set tabs to 4 for best viewing.
+
+ Latest version is available at http://adodb.org/
+
+ Library for CSV serialization. This is used by the csv/proxy driver and is the
+ CacheExecute() serialization format.
+*/
+
+ /**
+ * convert a recordset into special format
+ *
+ * @param rs the recordset
+ *
+ * @return the CSV formated data
+ */
+ function _rs2serialize(&$rs,$conn=false,$sql='')
+ {
+ $max = ($rs) ? $rs->FieldCount() : 0;
+
+ if ($sql) $sql = urlencode($sql);
+ // metadata setup
+
+ if ($max <= 0 || $rs->dataProvider == 'empty') { // is insert/update/delete
+ if (is_object($conn)) {
+ $sql .= ','.$conn->Affected_Rows();
+ $sql .= ','.$conn->Insert_ID();
+ } else
+ $sql .= ',,';
+
+ $text = "====-1,0,$sql\n";
+ return $text;
+ }
+ $tt = ($rs->timeCreated) ? $rs->timeCreated : time();
+
+ ## changed format from ====0 to ====1
+ $line = "====1,$tt,$sql\n";
+
+ if ($rs->databaseType == 'array') {
+ $rows = $rs->_array;
+ } else {
+ $rows = array();
+ while (!$rs->EOF) {
+ $rows[] = $rs->fields;
+ $rs->MoveNext();
+ }
+ }
+
+ for($i=0; $i < $max; $i++) {
+ $o = $rs->FetchField($i);
+ $flds[] = $o;
+ }
+
+ $savefetch = isset($rs->adodbFetchMode) ? $rs->adodbFetchMode : $rs->fetchMode;
+ $class = $rs->connection->arrayClass;
+ $rs2 = new $class();
+ $rs2->timeCreated = $rs->timeCreated; # memcache fix
+ $rs2->sql = $rs->sql;
+ $rs2->oldProvider = $rs->dataProvider;
+ $rs2->InitArrayFields($rows,$flds);
+ $rs2->fetchMode = $savefetch;
+ return $line.serialize($rs2);
+ }
+
+
+/**
+* Open CSV file and convert it into Data.
+*
+* @param url file/ftp/http url
+* @param err returns the error message
+* @param timeout dispose if recordset has been alive for $timeout secs
+*
+* @return recordset, or false if error occured. If no
+* error occurred in sql INSERT/UPDATE/DELETE,
+* empty recordset is returned
+*/
+ function csv2rs($url,&$err,$timeout=0, $rsclass='ADORecordSet_array')
+ {
+ $false = false;
+ $err = false;
+ $fp = @fopen($url,'rb');
+ if (!$fp) {
+ $err = $url.' file/URL not found';
+ return $false;
+ }
+ @flock($fp, LOCK_SH);
+ $arr = array();
+ $ttl = 0;
+
+ if ($meta = fgetcsv($fp, 32000, ",")) {
+ // check if error message
+ if (strncmp($meta[0],'****',4) === 0) {
+ $err = trim(substr($meta[0],4,1024));
+ fclose($fp);
+ return $false;
+ }
+ // check for meta data
+ // $meta[0] is -1 means return an empty recordset
+ // $meta[1] contains a time
+
+ if (strncmp($meta[0], '====',4) === 0) {
+
+ if ($meta[0] == "====-1") {
+ if (sizeof($meta) < 5) {
+ $err = "Corrupt first line for format -1";
+ fclose($fp);
+ return $false;
+ }
+ fclose($fp);
+
+ if ($timeout > 0) {
+ $err = " Illegal Timeout $timeout ";
+ return $false;
+ }
+
+ $rs = new $rsclass($val=true);
+ $rs->fields = array();
+ $rs->timeCreated = $meta[1];
+ $rs->EOF = true;
+ $rs->_numOfFields = 0;
+ $rs->sql = urldecode($meta[2]);
+ $rs->affectedrows = (integer)$meta[3];
+ $rs->insertid = $meta[4];
+ return $rs;
+ }
+ # Under high volume loads, we want only 1 thread/process to _write_file
+ # so that we don't have 50 processes queueing to write the same data.
+ # We use probabilistic timeout, ahead of time.
+ #
+ # -4 sec before timeout, give processes 1/32 chance of timing out
+ # -2 sec before timeout, give processes 1/16 chance of timing out
+ # -1 sec after timeout give processes 1/4 chance of timing out
+ # +0 sec after timeout, give processes 100% chance of timing out
+ if (sizeof($meta) > 1) {
+ if($timeout >0){
+ $tdiff = (integer)( $meta[1]+$timeout - time());
+ if ($tdiff <= 2) {
+ switch($tdiff) {
+ case 4:
+ case 3:
+ if ((rand() & 31) == 0) {
+ fclose($fp);
+ $err = "Timeout 3";
+ return $false;
+ }
+ break;
+ case 2:
+ if ((rand() & 15) == 0) {
+ fclose($fp);
+ $err = "Timeout 2";
+ return $false;
+ }
+ break;
+ case 1:
+ if ((rand() & 3) == 0) {
+ fclose($fp);
+ $err = "Timeout 1";
+ return $false;
+ }
+ break;
+ default:
+ fclose($fp);
+ $err = "Timeout 0";
+ return $false;
+ } // switch
+
+ } // if check flush cache
+ }// (timeout>0)
+ $ttl = $meta[1];
+ }
+ //================================================
+ // new cache format - use serialize extensively...
+ if ($meta[0] === '====1') {
+ // slurp in the data
+ $MAXSIZE = 128000;
+
+ $text = fread($fp,$MAXSIZE);
+ if (strlen($text)) {
+ while ($txt = fread($fp,$MAXSIZE)) {
+ $text .= $txt;
+ }
+ }
+ fclose($fp);
+ $rs = unserialize($text);
+ if (is_object($rs)) $rs->timeCreated = $ttl;
+ else {
+ $err = "Unable to unserialize recordset";
+ //echo htmlspecialchars($text),' !--END--!<p>';
+ }
+ return $rs;
+ }
+
+ $meta = false;
+ $meta = fgetcsv($fp, 32000, ",");
+ if (!$meta) {
+ fclose($fp);
+ $err = "Unexpected EOF 1";
+ return $false;
+ }
+ }
+
+ // Get Column definitions
+ $flds = array();
+ foreach($meta as $o) {
+ $o2 = explode(':',$o);
+ if (sizeof($o2)!=3) {
+ $arr[] = $meta;
+ $flds = false;
+ break;
+ }
+ $fld = new ADOFieldObject();
+ $fld->name = urldecode($o2[0]);
+ $fld->type = $o2[1];
+ $fld->max_length = $o2[2];
+ $flds[] = $fld;
+ }
+ } else {
+ fclose($fp);
+ $err = "Recordset had unexpected EOF 2";
+ return $false;
+ }
+
+ // slurp in the data
+ $MAXSIZE = 128000;
+
+ $text = '';
+ while ($txt = fread($fp,$MAXSIZE)) {
+ $text .= $txt;
+ }
+
+ fclose($fp);
+ @$arr = unserialize($text);
+ //var_dump($arr);
+ if (!is_array($arr)) {
+ $err = "Recordset had unexpected EOF (in serialized recordset)";
+ if (get_magic_quotes_runtime()) $err .= ". Magic Quotes Runtime should be disabled!";
+ return $false;
+ }
+ $rs = new $rsclass();
+ $rs->timeCreated = $ttl;
+ $rs->InitArrayFields($arr,$flds);
+ return $rs;
+ }
+
+
+ /**
+ * Save a file $filename and its $contents (normally for caching) with file locking
+ * Returns true if ok, false if fopen/fwrite error, 0 if rename error (eg. file is locked)
+ */
+ function adodb_write_file($filename, $contents,$debug=false)
+ {
+ # http://www.php.net/bugs.php?id=9203 Bug that flock fails on Windows
+ # So to simulate locking, we assume that rename is an atomic operation.
+ # First we delete $filename, then we create a $tempfile write to it and
+ # rename to the desired $filename. If the rename works, then we successfully
+ # modified the file exclusively.
+ # What a stupid need - having to simulate locking.
+ # Risks:
+ # 1. $tempfile name is not unique -- very very low
+ # 2. unlink($filename) fails -- ok, rename will fail
+ # 3. adodb reads stale file because unlink fails -- ok, $rs timeout occurs
+ # 4. another process creates $filename between unlink() and rename() -- ok, rename() fails and cache updated
+ if (strncmp(PHP_OS,'WIN',3) === 0) {
+ // skip the decimal place
+ $mtime = substr(str_replace(' ','_',microtime()),2);
+ // getmypid() actually returns 0 on Win98 - never mind!
+ $tmpname = $filename.uniqid($mtime).getmypid();
+ if (!($fd = @fopen($tmpname,'w'))) return false;
+ if (fwrite($fd,$contents)) $ok = true;
+ else $ok = false;
+ fclose($fd);
+
+ if ($ok) {
+ @chmod($tmpname,0644);
+ // the tricky moment
+ @unlink($filename);
+ if (!@rename($tmpname,$filename)) {
+ @unlink($tmpname);
+ $ok = 0;
+ }
+ if (!$ok) {
+ if ($debug) ADOConnection::outp( " Rename $tmpname ".($ok? 'ok' : 'failed'));
+ }
+ }
+ return $ok;
+ }
+ if (!($fd = @fopen($filename, 'a'))) return false;
+ if (flock($fd, LOCK_EX) && ftruncate($fd, 0)) {
+ if (fwrite( $fd, $contents )) $ok = true;
+ else $ok = false;
+ fclose($fd);
+ @chmod($filename,0644);
+ }else {
+ fclose($fd);
+ if ($debug)ADOConnection::outp( " Failed acquiring lock for $filename<br>\n");
+ $ok = false;
+ }
+
+ return $ok;
+ }
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